====================================== | [ 8.611867][ T243] softirqs last disabled at (0): 0x0 | [ 8.611870][ T243] Preemption disabled at: | [ 8.611870][ T243] 0x0 | [ 8.611880][ T243] Tainted: [W]=WARN [ 8.611882][ T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.611884][ T243] Call Trace: [ 8.611886][ T243] [ 8.611887][ T243] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.611893][ T243] __might_resched.cold (kernel/sched/core.c:9234) [ 8.611897][ T243] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.611901][ T243] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 8.611905][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.611909][ T243] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 8.611912][ T243] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.611915][ T243] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.611921][ T243] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 8.611923][ T243] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.611926][ T243] put_chars (drivers/char/virtio_console.c:1176) [ 8.611929][ T243] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.611931][ T243] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 8.611935][ T243] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.611941][ T243] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.611944][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.611945][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.611949][ T243] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.611952][ T243] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.611955][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.611957][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.611958][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.611960][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.611963][ T243] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 8.611965][ T243] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.611968][ T243] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.611972][ T243] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.611974][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.611976][ T243] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.611979][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.611980][ T243] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.611982][ T243] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 8.611984][ T243] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 8.611986][ T243] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.611989][ T243] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.611991][ T243] vprintk_emit (kernel/printk/printk.c:2479) [ 8.611994][ T243] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.611998][ T243] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 8.612001][ T243] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 8.612004][ T243] _printk (kernel/printk/printk.c:2504) [ 8.612007][ T243] ? snapshot_read.cold (user.c:?) [ 8.612009][ T243] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 8.612012][ T243] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 8.612014][ T243] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.612017][ T243] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 8.612020][ T243] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 8.612023][ T243] ? exit_notify (kernel/exit.c:780) [ 8.612025][ T243] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 8.612028][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.612031][ T243] do_group_exit (kernel/exit.c:1151) [ 8.612033][ T243] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 8.612035][ T243] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 8.612038][ T243] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.612043][ T243] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.612045][ T243] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.612048][ T243] RIP: 0033:0x7f95019851b8 [ 8.612050][ T243] Code: Unable to access opcode bytes at 0x7f950198518e. Code starting with the faulting instruction =========================================== [ 8.612052][ T243] RSP: 002b:00007ffe575fba98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 8.612056][ T243] RAX: ffffffffffffffda RBX: 00007f9501ab5f88 RCX: 00007f95019851b8 [ 8.612057][ T243] RDX: 00007f95016cffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 8.612059][ T243] RBP: 00007ffe575fbaf0 R08: 0000000000000000 R09: 0000000000008010 [ 8.612060][ T243] R10: 00007ffe575fb8b0 R11: 0000000000000246 R12: 0000000000000001 [ 8.612062][ T243] R13: 0000000000000000 R14: 00007f9501ab4680 R15: 00007f9501ab5fa0 | [ 22.825008][ T642] softirqs last disabled at (0): 0x0 | [ 22.825010][ T642] Preemption disabled at: | [ 22.825010][ T642] vprintk_emit (kernel/printk/printk.c:2471) | [ 22.825020][ T642] Tainted: [W]=WARN [ 22.825021][ T642] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.825023][ T642] Call Trace: [ 22.825024][ T642] [ 22.825025][ T642] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.825031][ T642] ? vprintk_emit (kernel/printk/printk.c:2471) [ 22.825032][ T642] __might_resched.cold (kernel/sched/core.c:9234) [ 22.825036][ T642] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.825039][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825041][ T642] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 22.825044][ T642] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.825047][ T642] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.825052][ T642] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 22.825053][ T642] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.825056][ T642] put_chars (drivers/char/virtio_console.c:1176) [ 22.825057][ T642] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.825058][ T642] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 22.825061][ T642] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 22.825063][ T642] ? pointer (lib/vsprintf.c:2577) [ 22.825066][ T642] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.825071][ T642] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.825072][ T642] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.825074][ T642] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.825076][ T642] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.825079][ T642] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.825081][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825082][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825083][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825084][ T642] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.825086][ T642] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 22.825087][ T642] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.825090][ T642] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.825092][ T642] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.825094][ T642] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.825096][ T642] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.825097][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825098][ T642] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 22.825100][ T642] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 22.825101][ T642] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 22.825103][ T642] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.825104][ T642] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.825106][ T642] vprintk_emit (kernel/printk/printk.c:2479) [ 22.825107][ T642] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.825109][ T642] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 22.825111][ T642] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.825114][ T642] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 22.825116][ T642] _printk (kernel/printk/printk.c:2504) [ 22.825119][ T642] ? snapshot_read.cold (user.c:?) [ 22.825121][ T642] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 22.825123][ T642] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 22.825126][ T642] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 22.825128][ T642] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 22.825131][ T642] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 22.825133][ T642] ? netdev_notice (net/core/dev.c:13194) [ 22.825135][ T642] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 22.825137][ T642] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 22.825139][ T642] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.825141][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825142][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825143][ T642] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.825144][ T642] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 22.825146][ T642] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 22.825147][ T642] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 22.825148][ T642] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 22.825150][ T642] ? register_netdev (net/core/dev.c:11618) [ 22.825151][ T642] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 22.825153][ T642] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 22.825155][ T642] ? __kernel_text_address (kernel/extable.c:79) [ 22.825158][ T642] ? write_profile (profile.c:?) [ 22.825161][ T642] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 22.825164][ T642] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 22.825166][ T642] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 22.825167][ T642] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 22.825168][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825169][ T642] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 22.825173][ T642] ? kasan_save_stack (mm/kasan/common.c:58) [ 22.825174][ T642] ? kasan_save_stack (mm/kasan/common.c:57) [ 22.825175][ T642] ? kasan_save_track (mm/kasan/common.c:78) [ 22.825176][ T642] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 22.825177][ T642] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 22.825179][ T642] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 22.825180][ T642] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 22.825181][ T642] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 22.825184][ T642] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 22.825185][ T642] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 22.825187][ T642] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 22.825189][ T642] ? ____sys_sendmsg (net/socket.c:2713) [ 22.825191][ T642] ? ___sys_sendmsg (net/socket.c:2767) [ 22.825192][ T642] ? __sys_sendmsg (net/socket.c:2799) [ 22.825194][ T642] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.825196][ T642] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.825198][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825200][ T642] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.825201][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825202][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825203][ T642] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 22.825205][ T642] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 22.825206][ T642] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 22.825207][ T642] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.825208][ T642] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 22.825209][ T642] ? nla_get_range_signed (lib/nlattr.c:270) [ 22.825213][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825214][ T642] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 22.825216][ T642] rtnl_newlink (net/core/rtnetlink.c:4215) [ 22.825218][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825219][ T642] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.825220][ T642] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.825221][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825223][ T642] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 22.825225][ T642] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 22.825226][ T642] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 22.825228][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825229][ T642] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 22.825232][ T642] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 22.825234][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825235][ T642] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.825237][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825238][ T642] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.825239][ T642] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 22.825240][ T642] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.825242][ T642] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 22.825243][ T642] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 22.825245][ T642] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 22.825247][ T642] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.825248][ T642] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 22.825250][ T642] ? netlink_ack (./include/linux/skbuff.h:2718) [ 22.825251][ T642] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 22.825254][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825255][ T642] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 22.825257][ T642] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 22.825264][ T642] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 22.825266][ T642] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.825268][ T642] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 22.825270][ T642] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.825271][ T642] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 22.825273][ T642] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.825274][ T642] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 22.825278][ T642] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 22.825279][ T642] ____sys_sendmsg (net/socket.c:2713) [ 22.825281][ T642] ? copy_msghdr_from_user (net/socket.c:2650) [ 22.825283][ T642] ? sock_write_iter (net/socket.c:1269) [ 22.825284][ T642] ? move_addr_to_kernel (net/socket.c:258) [ 22.825286][ T642] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 22.825288][ T642] ___sys_sendmsg (net/socket.c:2767) [ 22.825290][ T642] ? copy_msghdr_from_user (net/socket.c:2619) [ 22.825295][ T642] __sys_sendmsg (net/socket.c:2799) [ 22.825297][ T642] ? __sys_sendmsg_sock (net/socket.c:2780) [ 22.825299][ T642] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.825301][ T642] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.825303][ T642] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.825304][ T642] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.825306][ T642] RIP: 0033:0x7f867e3e354e [ 22.825308][ T642] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 22.825309][ T642] RSP: 002b:00007ffeffb3eb40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.825313][ T642] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f867e3e354e [ 22.825314][ T642] RDX: 0000000000000000 RSI: 00007ffeffb3ebf0 RDI: 0000000000000005 [ 22.825315][ T642] RBP: 00007ffeffb3eb50 R08: 0000000000000000 R09: 0000000000000000 [ 22.825316][ T642] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a20 [ 22.825317][ T642] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeffb3f2c0 | [ 38.785881][ T1036] softirqs last disabled at (0): 0x0 | [ 38.785883][ T1036] Preemption disabled at: | [ 38.785884][ T1036] vprintk_emit (kernel/printk/printk.c:2471) | [ 38.785896][ T1036] Tainted: [W]=WARN [ 38.785897][ T1036] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.785900][ T1036] Call Trace: [ 38.785901][ T1036] [ 38.785903][ T1036] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.785910][ T1036] ? vprintk_emit (kernel/printk/printk.c:2471) [ 38.785912][ T1036] __might_resched.cold (kernel/sched/core.c:9234) [ 38.785916][ T1036] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.785920][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.785924][ T1036] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 38.785928][ T1036] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.785931][ T1036] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.785937][ T1036] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 38.785940][ T1036] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.785943][ T1036] put_chars (drivers/char/virtio_console.c:1176) [ 38.785946][ T1036] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.785948][ T1036] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 38.785951][ T1036] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 38.785954][ T1036] ? pointer (lib/vsprintf.c:2577) [ 38.785959][ T1036] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.785965][ T1036] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.785967][ T1036] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.785970][ T1036] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.785974][ T1036] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.785977][ T1036] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.785980][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.785982][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.785984][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.785986][ T1036] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.785989][ T1036] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 38.785991][ T1036] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.785997][ T1036] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.786001][ T1036] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.786004][ T1036] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.786006][ T1036] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.786009][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786011][ T1036] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 38.786013][ T1036] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 38.786015][ T1036] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 38.786018][ T1036] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.786020][ T1036] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.786023][ T1036] vprintk_emit (kernel/printk/printk.c:2479) [ 38.786026][ T1036] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.786027][ T1036] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 38.786031][ T1036] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.786034][ T1036] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 38.786038][ T1036] _printk (kernel/printk/printk.c:2504) [ 38.786042][ T1036] ? snapshot_read.cold (user.c:?) [ 38.786045][ T1036] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 38.786048][ T1036] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 38.786052][ T1036] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 38.786055][ T1036] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 38.786059][ T1036] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 38.786062][ T1036] ? netdev_notice (net/core/dev.c:13194) [ 38.786065][ T1036] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 38.786067][ T1036] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 38.786071][ T1036] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.786073][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786075][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786077][ T1036] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.786079][ T1036] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 38.786081][ T1036] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 38.786083][ T1036] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 38.786086][ T1036] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 38.786088][ T1036] ? register_netdev (net/core/dev.c:11618) [ 38.786090][ T1036] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 38.786093][ T1036] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 38.786097][ T1036] ? __kernel_text_address (kernel/extable.c:79) [ 38.786100][ T1036] ? write_profile (profile.c:?) [ 38.786103][ T1036] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 38.786108][ T1036] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 38.786111][ T1036] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 38.786113][ T1036] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 38.786115][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786117][ T1036] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 38.786122][ T1036] ? kasan_save_stack (mm/kasan/common.c:58) [ 38.786124][ T1036] ? kasan_save_stack (mm/kasan/common.c:57) [ 38.786126][ T1036] ? kasan_save_track (mm/kasan/common.c:78) [ 38.786128][ T1036] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 38.786130][ T1036] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 38.786132][ T1036] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 38.786134][ T1036] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.786136][ T1036] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.786140][ T1036] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.786142][ T1036] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.786144][ T1036] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 38.786147][ T1036] ? ____sys_sendmsg (net/socket.c:2713) [ 38.786150][ T1036] ? ___sys_sendmsg (net/socket.c:2767) [ 38.786152][ T1036] ? __sys_sendmsg (net/socket.c:2799) [ 38.786154][ T1036] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.786157][ T1036] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.786161][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786163][ T1036] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.786165][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786167][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786169][ T1036] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 38.786171][ T1036] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 38.786173][ T1036] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 38.786175][ T1036] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.786178][ T1036] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 38.786180][ T1036] ? nla_get_range_signed (lib/nlattr.c:270) [ 38.786184][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786186][ T1036] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 38.786190][ T1036] rtnl_newlink (net/core/rtnetlink.c:4215) [ 38.786193][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786195][ T1036] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.786196][ T1036] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.786199][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786201][ T1036] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 38.786204][ T1036] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 38.786206][ T1036] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 38.786208][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786210][ T1036] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 38.786214][ T1036] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 38.786217][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786219][ T1036] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.786222][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786224][ T1036] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.786226][ T1036] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.786229][ T1036] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.786231][ T1036] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 38.786233][ T1036] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 38.786237][ T1036] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.786240][ T1036] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.786242][ T1036] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 38.786244][ T1036] ? netlink_ack (./include/linux/skbuff.h:2718) [ 38.786247][ T1036] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 38.786251][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786253][ T1036] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 38.786256][ T1036] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.786259][ T1036] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.786262][ T1036] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.786265][ T1036] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.786268][ T1036] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.786271][ T1036] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 38.786273][ T1036] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.786276][ T1036] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 38.786280][ T1036] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 38.786282][ T1036] ____sys_sendmsg (net/socket.c:2713) [ 38.786285][ T1036] ? copy_msghdr_from_user (net/socket.c:2650) [ 38.786287][ T1036] ? sock_write_iter (net/socket.c:1269) [ 38.786290][ T1036] ? move_addr_to_kernel (net/socket.c:258) [ 38.786292][ T1036] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 38.786296][ T1036] ___sys_sendmsg (net/socket.c:2767) [ 38.786299][ T1036] ? copy_msghdr_from_user (net/socket.c:2619) [ 38.786307][ T1036] __sys_sendmsg (net/socket.c:2799) [ 38.786309][ T1036] ? __sys_sendmsg_sock (net/socket.c:2780) [ 38.786314][ T1036] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.786316][ T1036] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.786319][ T1036] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.786321][ T1036] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.786324][ T1036] RIP: 0033:0x7faa56f2b54e [ 38.786326][ T1036] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 38.786328][ T1036] RSP: 002b:00007ffd5fce7f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.786333][ T1036] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007faa56f2b54e [ 38.786334][ T1036] RDX: 0000000000000000 RSI: 00007ffd5fce7ff0 RDI: 0000000000000005 [ 38.786336][ T1036] RBP: 00007ffd5fce7f50 R08: 0000000000000000 R09: 0000000000000000 [ 38.786337][ T1036] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a30 [ 38.786339][ T1036] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd5fce86c0 | [ 54.001396][ T1429] softirqs last disabled at (0): 0x0 | [ 54.001398][ T1429] Preemption disabled at: | [ 54.001399][ T1429] vprintk_emit (kernel/printk/printk.c:2471) | [ 54.001410][ T1429] Tainted: [W]=WARN [ 54.001411][ T1429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 54.001413][ T1429] Call Trace: [ 54.001415][ T1429] [ 54.001416][ T1429] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 54.001423][ T1429] ? vprintk_emit (kernel/printk/printk.c:2471) [ 54.001425][ T1429] __might_resched.cold (kernel/sched/core.c:9234) [ 54.001429][ T1429] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 54.001433][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001437][ T1429] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 54.001440][ T1429] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 54.001444][ T1429] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 54.001450][ T1429] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 54.001458][ T1429] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 54.001461][ T1429] put_chars (drivers/char/virtio_console.c:1176) [ 54.001463][ T1429] ? __send_to_port (drivers/char/virtio_console.c:654) [ 54.001465][ T1429] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 54.001468][ T1429] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 54.001471][ T1429] ? pointer (lib/vsprintf.c:2577) [ 54.001475][ T1429] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 54.001481][ T1429] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 54.001483][ T1429] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 54.001486][ T1429] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.001489][ T1429] console_emit_next_record (kernel/printk/printk.c:3183) [ 54.001493][ T1429] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 54.001497][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001498][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001500][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001502][ T1429] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.001505][ T1429] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 54.001507][ T1429] console_flush_one_record (kernel/printk/printk.c:3268) [ 54.001511][ T1429] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 54.001514][ T1429] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 54.001517][ T1429] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.001519][ T1429] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 54.001521][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001523][ T1429] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 54.001525][ T1429] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 54.001527][ T1429] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 54.001529][ T1429] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 54.001531][ T1429] ? vprintk_emit (kernel/printk/printk.c:2478) [ 54.001534][ T1429] vprintk_emit (kernel/printk/printk.c:2479) [ 54.001536][ T1429] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 54.001538][ T1429] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 54.001541][ T1429] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 54.001545][ T1429] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 54.001548][ T1429] _printk (kernel/printk/printk.c:2504) [ 54.001552][ T1429] ? snapshot_read.cold (user.c:?) [ 54.001555][ T1429] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 54.001558][ T1429] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 54.001562][ T1429] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 54.001564][ T1429] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 54.001568][ T1429] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 54.001571][ T1429] ? netdev_notice (net/core/dev.c:13194) [ 54.001574][ T1429] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 54.001576][ T1429] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 54.001579][ T1429] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 54.001581][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001583][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001585][ T1429] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 54.001587][ T1429] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 54.001589][ T1429] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 54.001591][ T1429] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 54.001593][ T1429] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 54.001595][ T1429] ? register_netdev (net/core/dev.c:11618) [ 54.001597][ T1429] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 54.001600][ T1429] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 54.001603][ T1429] ? __kernel_text_address (kernel/extable.c:79) [ 54.001606][ T1429] ? write_profile (profile.c:?) [ 54.001609][ T1429] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 54.001614][ T1429] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 54.001617][ T1429] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 54.001619][ T1429] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 54.001621][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001622][ T1429] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 54.001627][ T1429] ? kasan_save_stack (mm/kasan/common.c:58) [ 54.001629][ T1429] ? kasan_save_stack (mm/kasan/common.c:57) [ 54.001631][ T1429] ? kasan_save_track (mm/kasan/common.c:78) [ 54.001633][ T1429] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 54.001635][ T1429] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 54.001636][ T1429] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 54.001638][ T1429] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 54.001640][ T1429] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 54.001644][ T1429] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 54.001646][ T1429] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 54.001648][ T1429] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 54.001652][ T1429] ? ____sys_sendmsg (net/socket.c:2713) [ 54.001654][ T1429] ? ___sys_sendmsg (net/socket.c:2767) [ 54.001656][ T1429] ? __sys_sendmsg (net/socket.c:2799) [ 54.001658][ T1429] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 54.001661][ T1429] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 54.001665][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001667][ T1429] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.001669][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001670][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001672][ T1429] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 54.001674][ T1429] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 54.001676][ T1429] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 54.001678][ T1429] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 54.001680][ T1429] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 54.001681][ T1429] ? nla_get_range_signed (lib/nlattr.c:270) [ 54.001686][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001688][ T1429] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 54.001691][ T1429] rtnl_newlink (net/core/rtnetlink.c:4215) [ 54.001694][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001696][ T1429] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 54.001698][ T1429] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.001700][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001702][ T1429] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 54.001705][ T1429] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 54.001707][ T1429] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 54.001709][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001711][ T1429] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 54.001715][ T1429] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 54.001718][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001719][ T1429] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.001721][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001723][ T1429] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 54.001725][ T1429] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 54.001728][ T1429] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 54.001730][ T1429] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 54.001732][ T1429] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 54.001735][ T1429] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 54.001738][ T1429] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 54.001740][ T1429] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 54.001742][ T1429] ? netlink_ack (./include/linux/skbuff.h:2718) [ 54.001744][ T1429] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 54.001748][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001750][ T1429] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 54.001753][ T1429] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 54.001756][ T1429] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 54.001758][ T1429] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 54.001761][ T1429] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 54.001764][ T1429] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 54.001766][ T1429] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 54.001768][ T1429] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.001770][ T1429] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 54.001774][ T1429] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 54.001777][ T1429] ____sys_sendmsg (net/socket.c:2713) [ 54.001779][ T1429] ? copy_msghdr_from_user (net/socket.c:2650) [ 54.001782][ T1429] ? sock_write_iter (net/socket.c:1269) [ 54.001784][ T1429] ? move_addr_to_kernel (net/socket.c:258) [ 54.001786][ T1429] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 54.001790][ T1429] ___sys_sendmsg (net/socket.c:2767) [ 54.001793][ T1429] ? copy_msghdr_from_user (net/socket.c:2619) [ 54.001800][ T1429] __sys_sendmsg (net/socket.c:2799) [ 54.001803][ T1429] ? __sys_sendmsg_sock (net/socket.c:2780) [ 54.001807][ T1429] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.001809][ T1429] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 54.001811][ T1429] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 54.001814][ T1429] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 54.001816][ T1429] RIP: 0033:0x7fa85a42854e [ 54.001819][ T1429] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 54.001821][ T1429] RSP: 002b:00007ffeaa542900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 54.001825][ T1429] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa85a42854e [ 54.001827][ T1429] RDX: 0000000000000000 RSI: 00007ffeaa5429b0 RDI: 0000000000000005 [ 54.001829][ T1429] RBP: 00007ffeaa542910 R08: 0000000000000000 R09: 0000000000000000 [ 54.001830][ T1429] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a3f [ 54.001832][ T1429] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeaa543080 | [ 63.694014][ T1837] softirqs last disabled at (0): 0x0 | [ 63.694016][ T1837] Preemption disabled at: | [ 63.694016][ T1837] vprintk_emit (kernel/printk/printk.c:2471) | [ 63.694026][ T1837] Tainted: [W]=WARN [ 63.694027][ T1837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 63.694028][ T1837] Call Trace: [ 63.694030][ T1837] [ 63.694031][ T1837] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 63.694036][ T1837] ? vprintk_emit (kernel/printk/printk.c:2471) [ 63.694037][ T1837] __might_resched.cold (kernel/sched/core.c:9234) [ 63.694041][ T1837] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 63.694044][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694047][ T1837] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 63.694050][ T1837] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.694053][ T1837] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.694058][ T1837] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 63.694059][ T1837] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 63.694062][ T1837] put_chars (drivers/char/virtio_console.c:1176) [ 63.694064][ T1837] ? __send_to_port (drivers/char/virtio_console.c:654) [ 63.694065][ T1837] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 63.694067][ T1837] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 63.694069][ T1837] ? pointer (lib/vsprintf.c:2577) [ 63.694073][ T1837] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 63.694077][ T1837] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 63.694079][ T1837] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.694081][ T1837] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.694083][ T1837] console_emit_next_record (kernel/printk/printk.c:3183) [ 63.694086][ T1837] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 63.694088][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694089][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694090][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694091][ T1837] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.694092][ T1837] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 63.694094][ T1837] console_flush_one_record (kernel/printk/printk.c:3268) [ 63.694096][ T1837] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 63.694099][ T1837] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 63.694101][ T1837] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.694102][ T1837] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 63.694104][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694105][ T1837] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.694106][ T1837] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 63.694108][ T1837] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 63.694109][ T1837] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 63.694111][ T1837] ? vprintk_emit (kernel/printk/printk.c:2478) [ 63.694112][ T1837] vprintk_emit (kernel/printk/printk.c:2479) [ 63.694114][ T1837] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 63.694115][ T1837] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 63.694117][ T1837] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 63.694120][ T1837] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 63.694122][ T1837] _printk (kernel/printk/printk.c:2504) [ 63.694125][ T1837] ? snapshot_read.cold (user.c:?) [ 63.694127][ T1837] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 63.694129][ T1837] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 63.694132][ T1837] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 63.694134][ T1837] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 63.694137][ T1837] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 63.694139][ T1837] ? netdev_notice (net/core/dev.c:13194) [ 63.694141][ T1837] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 63.694142][ T1837] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 63.694145][ T1837] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 63.694146][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694147][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694148][ T1837] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 63.694150][ T1837] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 63.694151][ T1837] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 63.694152][ T1837] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 63.694153][ T1837] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 63.694155][ T1837] ? register_netdev (net/core/dev.c:11618) [ 63.694156][ T1837] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.694158][ T1837] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 63.694161][ T1837] ? __kernel_text_address (kernel/extable.c:79) [ 63.694163][ T1837] ? write_profile (profile.c:?) [ 63.694166][ T1837] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 63.694169][ T1837] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 63.694171][ T1837] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 63.694173][ T1837] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 63.694174][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694175][ T1837] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 63.694178][ T1837] ? kasan_save_stack (mm/kasan/common.c:58) [ 63.694180][ T1837] ? kasan_save_stack (mm/kasan/common.c:57) [ 63.694181][ T1837] ? kasan_save_track (mm/kasan/common.c:78) [ 63.694182][ T1837] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 63.694183][ T1837] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 63.694184][ T1837] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 63.694185][ T1837] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 63.694186][ T1837] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 63.694189][ T1837] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 63.694190][ T1837] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 63.694192][ T1837] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 63.694194][ T1837] ? ____sys_sendmsg (net/socket.c:2713) [ 63.694195][ T1837] ? ___sys_sendmsg (net/socket.c:2767) [ 63.694197][ T1837] ? __sys_sendmsg (net/socket.c:2799) [ 63.694198][ T1837] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 63.694200][ T1837] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 63.694203][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694204][ T1837] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.694205][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694206][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694208][ T1837] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 63.694209][ T1837] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 63.694210][ T1837] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 63.694211][ T1837] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 63.694213][ T1837] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 63.694214][ T1837] ? nla_get_range_signed (lib/nlattr.c:270) [ 63.694217][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694218][ T1837] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 63.694220][ T1837] rtnl_newlink (net/core/rtnetlink.c:4215) [ 63.694222][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694223][ T1837] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 63.694224][ T1837] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.694225][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694227][ T1837] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 63.694229][ T1837] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 63.694230][ T1837] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 63.694232][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694233][ T1837] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 63.694236][ T1837] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 63.694238][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694239][ T1837] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.694240][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694242][ T1837] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 63.694243][ T1837] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 63.694244][ T1837] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 63.694246][ T1837] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 63.694247][ T1837] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 63.694249][ T1837] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 63.694251][ T1837] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 63.694252][ T1837] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.694254][ T1837] ? netlink_ack (./include/linux/skbuff.h:2718) [ 63.694256][ T1837] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 63.694258][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694260][ T1837] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 63.694261][ T1837] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 63.694264][ T1837] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 63.694265][ T1837] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 63.694267][ T1837] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 63.694269][ T1837] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 63.694271][ T1837] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 63.694272][ T1837] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 63.694274][ T1837] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 63.694277][ T1837] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 63.694279][ T1837] ____sys_sendmsg (net/socket.c:2713) [ 63.694280][ T1837] ? copy_msghdr_from_user (net/socket.c:2650) [ 63.694282][ T1837] ? sock_write_iter (net/socket.c:1269) [ 63.694283][ T1837] ? move_addr_to_kernel (net/socket.c:258) [ 63.694285][ T1837] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 63.694287][ T1837] ___sys_sendmsg (net/socket.c:2767) [ 63.694289][ T1837] ? copy_msghdr_from_user (net/socket.c:2619) [ 63.694294][ T1837] __sys_sendmsg (net/socket.c:2799) [ 63.694295][ T1837] ? __sys_sendmsg_sock (net/socket.c:2780) [ 63.694298][ T1837] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 63.694299][ T1837] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 63.694301][ T1837] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 63.694303][ T1837] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 63.694304][ T1837] RIP: 0033:0x7fda5b3d654e [ 63.694306][ T1837] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 63.694308][ T1837] RSP: 002b:00007fffaf548450 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 63.694312][ T1837] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fda5b3d654e [ 63.694313][ T1837] RDX: 0000000000000000 RSI: 00007fffaf548500 RDI: 0000000000000005 [ 63.694314][ T1837] RBP: 00007fffaf548460 R08: 0000000000000000 R09: 0000000000000000 [ 63.694315][ T1837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a49 [ 63.694315][ T1837] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffaf548bd0 | [ 73.529003][ T2246] softirqs last disabled at (0): 0x0 | [ 73.529005][ T2246] Preemption disabled at: | [ 73.529005][ T2246] vprintk_emit (kernel/printk/printk.c:2471) | [ 73.529015][ T2246] Tainted: [W]=WARN [ 73.529017][ T2246] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 73.529018][ T2246] Call Trace: [ 73.529020][ T2246] [ 73.529021][ T2246] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 73.529026][ T2246] ? vprintk_emit (kernel/printk/printk.c:2471) [ 73.529028][ T2246] __might_resched.cold (kernel/sched/core.c:9234) [ 73.529032][ T2246] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 73.529035][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529037][ T2246] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 73.529040][ T2246] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 73.529043][ T2246] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 73.529048][ T2246] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 73.529050][ T2246] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 73.529053][ T2246] put_chars (drivers/char/virtio_console.c:1176) [ 73.529054][ T2246] ? __send_to_port (drivers/char/virtio_console.c:654) [ 73.529055][ T2246] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 73.529058][ T2246] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 73.529060][ T2246] ? pointer (lib/vsprintf.c:2577) [ 73.529063][ T2246] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 73.529068][ T2246] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 73.529070][ T2246] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 73.529072][ T2246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.529075][ T2246] console_emit_next_record (kernel/printk/printk.c:3183) [ 73.529077][ T2246] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 73.529080][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529081][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529082][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529083][ T2246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.529085][ T2246] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 73.529086][ T2246] console_flush_one_record (kernel/printk/printk.c:3268) [ 73.529089][ T2246] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 73.529092][ T2246] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 73.529093][ T2246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.529095][ T2246] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 73.529097][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529098][ T2246] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 73.529099][ T2246] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 73.529100][ T2246] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 73.529102][ T2246] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 73.529104][ T2246] ? vprintk_emit (kernel/printk/printk.c:2478) [ 73.529105][ T2246] vprintk_emit (kernel/printk/printk.c:2479) [ 73.529107][ T2246] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 73.529108][ T2246] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 73.529110][ T2246] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 73.529113][ T2246] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 73.529115][ T2246] _printk (kernel/printk/printk.c:2504) [ 73.529118][ T2246] ? snapshot_read.cold (user.c:?) [ 73.529120][ T2246] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 73.529122][ T2246] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 73.529125][ T2246] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 73.529127][ T2246] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 73.529130][ T2246] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 73.529132][ T2246] ? netdev_notice (net/core/dev.c:13194) [ 73.529134][ T2246] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 73.529136][ T2246] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 73.529139][ T2246] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 73.529140][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529141][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529142][ T2246] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 73.529144][ T2246] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 73.529145][ T2246] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 73.529146][ T2246] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 73.529147][ T2246] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 73.529149][ T2246] ? register_netdev (net/core/dev.c:11618) [ 73.529150][ T2246] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 73.529152][ T2246] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 73.529155][ T2246] ? __kernel_text_address (kernel/extable.c:79) [ 73.529157][ T2246] ? write_profile (profile.c:?) [ 73.529160][ T2246] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 73.529164][ T2246] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 73.529166][ T2246] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 73.529167][ T2246] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 73.529169][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529170][ T2246] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 73.529173][ T2246] ? kasan_save_stack (mm/kasan/common.c:58) [ 73.529175][ T2246] ? kasan_save_stack (mm/kasan/common.c:57) [ 73.529176][ T2246] ? kasan_save_track (mm/kasan/common.c:78) [ 73.529177][ T2246] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 73.529178][ T2246] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 73.529179][ T2246] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 73.529180][ T2246] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 73.529182][ T2246] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 73.529184][ T2246] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 73.529186][ T2246] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 73.529188][ T2246] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 73.529190][ T2246] ? ____sys_sendmsg (net/socket.c:2713) [ 73.529191][ T2246] ? ___sys_sendmsg (net/socket.c:2767) [ 73.529193][ T2246] ? __sys_sendmsg (net/socket.c:2799) [ 73.529195][ T2246] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 73.529197][ T2246] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 73.529199][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529200][ T2246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.529202][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529203][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529204][ T2246] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 73.529205][ T2246] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 73.529207][ T2246] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 73.529208][ T2246] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 73.529209][ T2246] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 73.529210][ T2246] ? nla_get_range_signed (lib/nlattr.c:270) [ 73.529214][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529215][ T2246] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 73.529217][ T2246] rtnl_newlink (net/core/rtnetlink.c:4215) [ 73.529219][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529220][ T2246] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 73.529221][ T2246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.529222][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529224][ T2246] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 73.529226][ T2246] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 73.529227][ T2246] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 73.529229][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529230][ T2246] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 73.529233][ T2246] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 73.529235][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529236][ T2246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.529238][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529239][ T2246] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 73.529240][ T2246] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 73.529242][ T2246] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 73.529243][ T2246] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 73.529244][ T2246] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 73.529247][ T2246] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 73.529248][ T2246] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 73.529250][ T2246] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 73.529251][ T2246] ? netlink_ack (./include/linux/skbuff.h:2718) [ 73.529253][ T2246] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 73.529256][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529257][ T2246] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 73.529259][ T2246] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 73.529261][ T2246] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 73.529262][ T2246] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 73.529264][ T2246] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 73.529266][ T2246] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 73.529268][ T2246] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 73.529269][ T2246] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.529271][ T2246] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 73.529274][ T2246] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 73.529276][ T2246] ____sys_sendmsg (net/socket.c:2713) [ 73.529277][ T2246] ? copy_msghdr_from_user (net/socket.c:2650) [ 73.529279][ T2246] ? sock_write_iter (net/socket.c:1269) [ 73.529280][ T2246] ? move_addr_to_kernel (net/socket.c:258) [ 73.529282][ T2246] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 73.529284][ T2246] ___sys_sendmsg (net/socket.c:2767) [ 73.529286][ T2246] ? copy_msghdr_from_user (net/socket.c:2619) [ 73.529291][ T2246] __sys_sendmsg (net/socket.c:2799) [ 73.529293][ T2246] ? __sys_sendmsg_sock (net/socket.c:2780) [ 73.529295][ T2246] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.529297][ T2246] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 73.529299][ T2246] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 73.529300][ T2246] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 73.529302][ T2246] RIP: 0033:0x7f7a9154154e [ 73.529303][ T2246] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 73.529305][ T2246] RSP: 002b:00007ffe41d2a060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 73.529309][ T2246] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7a9154154e [ 73.529310][ T2246] RDX: 0000000000000000 RSI: 00007ffe41d2a110 RDI: 0000000000000005 [ 73.529311][ T2246] RBP: 00007ffe41d2a070 R08: 0000000000000000 R09: 0000000000000000 [ 73.529312][ T2246] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917a52 [ 73.529313][ T2246] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe41d2a7e0 | [ 186.746603][ T3723] softirqs last disabled at (0): 0x0 | [ 186.746605][ T3723] Preemption disabled at: | [ 186.746606][ T3723] vprintk_emit (kernel/printk/printk.c:2471) | [ 186.746619][ T3723] Tainted: [W]=WARN [ 186.746621][ T3723] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 186.746623][ T3723] Call Trace: [ 186.746625][ T3723] [ 186.746627][ T3723] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 186.746634][ T3723] ? vprintk_emit (kernel/printk/printk.c:2471) [ 186.746637][ T3723] __might_resched.cold (kernel/sched/core.c:9234) [ 186.746642][ T3723] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 186.746646][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746650][ T3723] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 186.746654][ T3723] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 186.746658][ T3723] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 186.746665][ T3723] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 186.746668][ T3723] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 186.746672][ T3723] put_chars (drivers/char/virtio_console.c:1176) [ 186.746674][ T3723] ? __send_to_port (drivers/char/virtio_console.c:654) [ 186.746677][ T3723] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 186.746680][ T3723] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 186.746684][ T3723] ? pointer (lib/vsprintf.c:2577) [ 186.746688][ T3723] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 186.746695][ T3723] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 186.746698][ T3723] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 186.746701][ T3723] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 186.746705][ T3723] console_emit_next_record (kernel/printk/printk.c:3183) [ 186.746709][ T3723] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 186.746712][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746714][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746716][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746718][ T3723] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 186.746722][ T3723] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 186.746725][ T3723] console_flush_one_record (kernel/printk/printk.c:3268) [ 186.746728][ T3723] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 186.746733][ T3723] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 186.746736][ T3723] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 186.746738][ T3723] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 186.746741][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746743][ T3723] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 186.746746][ T3723] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 186.746748][ T3723] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 186.746751][ T3723] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 186.746754][ T3723] ? vprintk_emit (kernel/printk/printk.c:2478) [ 186.746757][ T3723] vprintk_emit (kernel/printk/printk.c:2479) [ 186.746760][ T3723] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 186.746762][ T3723] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 186.746766][ T3723] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 186.746770][ T3723] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 186.746774][ T3723] _printk (kernel/printk/printk.c:2504) [ 186.746778][ T3723] ? snapshot_read.cold (user.c:?) [ 186.746781][ T3723] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 186.746784][ T3723] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 186.746789][ T3723] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 186.746792][ T3723] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 186.746796][ T3723] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 186.746800][ T3723] ? netdev_notice (net/core/dev.c:13194) [ 186.746803][ T3723] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 186.746806][ T3723] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 186.746810][ T3723] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 186.746812][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746814][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746816][ T3723] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 186.746819][ T3723] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 186.746821][ T3723] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 186.746824][ T3723] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 186.746826][ T3723] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 186.746829][ T3723] ? register_netdev (net/core/dev.c:11618) [ 186.746831][ T3723] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 186.746835][ T3723] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 186.746839][ T3723] ? __kernel_text_address (kernel/extable.c:79) [ 186.746842][ T3723] ? write_profile (profile.c:?) [ 186.746846][ T3723] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 186.746852][ T3723] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 186.746855][ T3723] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 186.746858][ T3723] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 186.746860][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746862][ T3723] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 186.746867][ T3723] ? kasan_save_stack (mm/kasan/common.c:58) [ 186.746870][ T3723] ? kasan_save_stack (mm/kasan/common.c:57) [ 186.746872][ T3723] ? kasan_save_track (mm/kasan/common.c:78) [ 186.746874][ T3723] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 186.746876][ T3723] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 186.746878][ T3723] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 186.746880][ T3723] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 186.746882][ T3723] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 186.746886][ T3723] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 186.746889][ T3723] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 186.746891][ T3723] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 186.746895][ T3723] ? ____sys_sendmsg (net/socket.c:2713) [ 186.746897][ T3723] ? ___sys_sendmsg (net/socket.c:2767) [ 186.746900][ T3723] ? __sys_sendmsg (net/socket.c:2799) [ 186.746902][ T3723] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 186.746905][ T3723] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 186.746909][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746912][ T3723] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 186.746914][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746916][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746918][ T3723] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 186.746921][ T3723] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 186.746923][ T3723] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 186.746925][ T3723] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 186.746928][ T3723] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 186.746930][ T3723] ? nla_get_range_signed (lib/nlattr.c:270) [ 186.746935][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746937][ T3723] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 186.746941][ T3723] rtnl_newlink (net/core/rtnetlink.c:4215) [ 186.746945][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746947][ T3723] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 186.746949][ T3723] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 186.746952][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746954][ T3723] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 186.746958][ T3723] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 186.746960][ T3723] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 186.746963][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746965][ T3723] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 186.746969][ T3723] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 186.746973][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746975][ T3723] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 186.746978][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.746980][ T3723] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 186.746982][ T3723] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 186.746985][ T3723] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 186.746988][ T3723] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 186.746990][ T3723] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 186.746998][ T3723] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 186.747001][ T3723] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 186.747003][ T3723] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 186.747006][ T3723] ? netlink_ack (./include/linux/skbuff.h:2718) [ 186.747009][ T3723] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 186.747014][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.747016][ T3723] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 186.747019][ T3723] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 186.747023][ T3723] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 186.747026][ T3723] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 186.747029][ T3723] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 186.747033][ T3723] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 186.747036][ T3723] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 186.747039][ T3723] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 186.747041][ T3723] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 186.747046][ T3723] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 186.747049][ T3723] ____sys_sendmsg (net/socket.c:2713) [ 186.747052][ T3723] ? copy_msghdr_from_user (net/socket.c:2650) [ 186.747055][ T3723] ? sock_write_iter (net/socket.c:1269) [ 186.747058][ T3723] ? move_addr_to_kernel (net/socket.c:258) [ 186.747060][ T3723] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 186.747065][ T3723] ___sys_sendmsg (net/socket.c:2767) [ 186.747068][ T3723] ? copy_msghdr_from_user (net/socket.c:2619) [ 186.747077][ T3723] __sys_sendmsg (net/socket.c:2799) [ 186.747080][ T3723] ? __sys_sendmsg_sock (net/socket.c:2780) [ 186.747085][ T3723] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 186.747087][ T3723] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 186.747090][ T3723] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 186.747093][ T3723] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 186.747096][ T3723] RIP: 0033:0x7ff87742154e [ 186.747099][ T3723] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 186.747102][ T3723] RSP: 002b:00007fff955c4ef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 186.747106][ T3723] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff87742154e [ 186.747109][ T3723] RDX: 0000000000000000 RSI: 00007fff955c4fa0 RDI: 0000000000000005 [ 186.747110][ T3723] RBP: 00007fff955c4f00 R08: 0000000000000000 R09: 0000000000000000 [ 186.747112][ T3723] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ac4 [ 186.747113][ T3723] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff955c5670 | [ 194.184702][ T3940] softirqs last disabled at (0): 0x0 | [ 194.184705][ T3940] Preemption disabled at: | [ 194.184706][ T3940] vprintk_emit (kernel/printk/printk.c:2471) | [ 194.184720][ T3940] Tainted: [W]=WARN [ 194.184721][ T3940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 194.184724][ T3940] Call Trace: [ 194.184726][ T3940] [ 194.184728][ T3940] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 194.184734][ T3940] ? vprintk_emit (kernel/printk/printk.c:2471) [ 194.184737][ T3940] __might_resched.cold (kernel/sched/core.c:9234) [ 194.184742][ T3940] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 194.184746][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.184750][ T3940] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 194.184754][ T3940] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 194.184758][ T3940] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 194.184764][ T3940] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 194.184767][ T3940] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 194.184771][ T3940] put_chars (drivers/char/virtio_console.c:1176) [ 194.184774][ T3940] ? __send_to_port (drivers/char/virtio_console.c:654) [ 194.184776][ T3940] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 194.184779][ T3940] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 194.184783][ T3940] ? pointer (lib/vsprintf.c:2577) [ 194.184787][ T3940] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 194.184794][ T3940] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 194.184796][ T3940] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 194.184799][ T3940] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 194.184803][ T3940] console_emit_next_record (kernel/printk/printk.c:3183) [ 194.184807][ T3940] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 194.184811][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.184813][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.184815][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.184817][ T3940] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 194.184820][ T3940] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 194.184823][ T3940] console_flush_one_record (kernel/printk/printk.c:3268) [ 194.184826][ T3940] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 194.184831][ T3940] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 194.184834][ T3940] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 194.184836][ T3940] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 194.184839][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.184841][ T3940] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 194.184844][ T3940] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 194.184846][ T3940] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 194.184849][ T3940] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 194.184852][ T3940] ? vprintk_emit (kernel/printk/printk.c:2478) [ 194.184855][ T3940] vprintk_emit (kernel/printk/printk.c:2479) [ 194.184858][ T3940] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 194.184860][ T3940] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 194.184863][ T3940] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 194.184867][ T3940] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 194.184870][ T3940] _printk (kernel/printk/printk.c:2504) [ 194.184875][ T3940] ? snapshot_read.cold (user.c:?) [ 194.184878][ T3940] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 194.184881][ T3940] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 194.184886][ T3940] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 194.184889][ T3940] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 194.184893][ T3940] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 194.184896][ T3940] ? netdev_notice (net/core/dev.c:13194) [ 194.184899][ T3940] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 194.184902][ T3940] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 194.184906][ T3940] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 194.184908][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.184910][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.184912][ T3940] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 194.184914][ T3940] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 194.184917][ T3940] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 194.184919][ T3940] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 194.184921][ T3940] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 194.184924][ T3940] ? register_netdev (net/core/dev.c:11618) [ 194.184926][ T3940] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 194.184930][ T3940] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 194.184933][ T3940] ? __kernel_text_address (kernel/extable.c:79) [ 194.184936][ T3940] ? write_profile (profile.c:?) [ 194.184940][ T3940] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 194.184946][ T3940] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 194.184949][ T3940] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 194.184951][ T3940] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 194.184953][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.184955][ T3940] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 194.184960][ T3940] ? kasan_save_stack (mm/kasan/common.c:58) [ 194.184963][ T3940] ? kasan_save_stack (mm/kasan/common.c:57) [ 194.184965][ T3940] ? kasan_save_track (mm/kasan/common.c:78) [ 194.184967][ T3940] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 194.184969][ T3940] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 194.184971][ T3940] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 194.184973][ T3940] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 194.184975][ T3940] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 194.184979][ T3940] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 194.184982][ T3940] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 194.184984][ T3940] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 194.184988][ T3940] ? ____sys_sendmsg (net/socket.c:2713) [ 194.184990][ T3940] ? ___sys_sendmsg (net/socket.c:2767) [ 194.184992][ T3940] ? __sys_sendmsg (net/socket.c:2799) [ 194.184999][ T3940] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 194.185002][ T3940] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 194.185006][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.185008][ T3940] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 194.185010][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.185012][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.185015][ T3940] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 194.185017][ T3940] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 194.185019][ T3940] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 194.185022][ T3940] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 194.185024][ T3940] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 194.185026][ T3940] ? nla_get_range_signed (lib/nlattr.c:270) [ 194.185031][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.185034][ T3940] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 194.185037][ T3940] rtnl_newlink (net/core/rtnetlink.c:4215) [ 194.185041][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.185043][ T3940] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 194.185045][ T3940] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 194.185048][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.185051][ T3940] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 194.185055][ T3940] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 194.185058][ T3940] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 194.185060][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.185063][ T3940] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 194.185067][ T3940] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 194.185070][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.185072][ T3940] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 194.185075][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.185077][ T3940] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 194.185079][ T3940] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 194.185082][ T3940] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 194.185085][ T3940] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 194.185087][ T3940] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 194.185091][ T3940] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 194.185094][ T3940] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 194.185096][ T3940] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 194.185099][ T3940] ? netlink_ack (./include/linux/skbuff.h:2718) [ 194.185101][ T3940] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 194.185106][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.185108][ T3940] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 194.185112][ T3940] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 194.185115][ T3940] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 194.185118][ T3940] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 194.185121][ T3940] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 194.185125][ T3940] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 194.185127][ T3940] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 194.185130][ T3940] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 194.185132][ T3940] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 194.185137][ T3940] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 194.185140][ T3940] ____sys_sendmsg (net/socket.c:2713) [ 194.185143][ T3940] ? copy_msghdr_from_user (net/socket.c:2650) [ 194.185145][ T3940] ? sock_write_iter (net/socket.c:1269) [ 194.185148][ T3940] ? move_addr_to_kernel (net/socket.c:258) [ 194.185150][ T3940] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 194.185155][ T3940] ___sys_sendmsg (net/socket.c:2767) [ 194.185158][ T3940] ? copy_msghdr_from_user (net/socket.c:2619) [ 194.185166][ T3940] __sys_sendmsg (net/socket.c:2799) [ 194.185169][ T3940] ? __sys_sendmsg_sock (net/socket.c:2780) [ 194.185174][ T3940] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 194.185177][ T3940] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 194.185179][ T3940] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 194.185182][ T3940] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 194.185185][ T3940] RIP: 0033:0x7f506e68a54e [ 194.185188][ T3940] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 194.185190][ T3940] RSP: 002b:00007ffc30c7fee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 194.185195][ T3940] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f506e68a54e [ 194.185197][ T3940] RDX: 0000000000000000 RSI: 00007ffc30c7ff90 RDI: 0000000000000005 [ 194.185198][ T3940] RBP: 00007ffc30c7fef0 R08: 0000000000000000 R09: 0000000000000000 [ 194.185200][ T3940] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917acb [ 194.185201][ T3940] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc30c80660 | [ 266.287182][ T4927] softirqs last disabled at (0): 0x0 | [ 266.287183][ T4927] Preemption disabled at: | [ 266.287184][ T4927] vprintk_emit (kernel/printk/printk.c:2471) | [ 266.287194][ T4927] Tainted: [W]=WARN [ 266.287195][ T4927] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 266.287196][ T4927] Call Trace: [ 266.287198][ T4927] [ 266.287199][ T4927] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 266.287205][ T4927] ? vprintk_emit (kernel/printk/printk.c:2471) [ 266.287206][ T4927] __might_resched.cold (kernel/sched/core.c:9234) [ 266.287210][ T4927] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 266.287213][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287216][ T4927] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 266.287219][ T4927] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 266.287222][ T4927] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 266.287227][ T4927] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 266.287228][ T4927] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 266.287231][ T4927] put_chars (drivers/char/virtio_console.c:1176) [ 266.287232][ T4927] ? __send_to_port (drivers/char/virtio_console.c:654) [ 266.287233][ T4927] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 266.287235][ T4927] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 266.287237][ T4927] ? pointer (lib/vsprintf.c:2577) [ 266.287241][ T4927] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 266.287246][ T4927] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 266.287247][ T4927] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 266.287249][ T4927] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 266.287251][ T4927] console_emit_next_record (kernel/printk/printk.c:3183) [ 266.287254][ T4927] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 266.287256][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287257][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287258][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287259][ T4927] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 266.287261][ T4927] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 266.287262][ T4927] console_flush_one_record (kernel/printk/printk.c:3268) [ 266.287265][ T4927] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 266.287267][ T4927] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 266.287269][ T4927] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 266.287271][ T4927] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 266.287272][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287273][ T4927] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 266.287275][ T4927] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 266.287276][ T4927] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 266.287278][ T4927] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 266.287280][ T4927] ? vprintk_emit (kernel/printk/printk.c:2478) [ 266.287281][ T4927] vprintk_emit (kernel/printk/printk.c:2479) [ 266.287283][ T4927] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 266.287284][ T4927] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 266.287286][ T4927] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 266.287289][ T4927] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 266.287291][ T4927] _printk (kernel/printk/printk.c:2504) [ 266.287294][ T4927] ? snapshot_read.cold (user.c:?) [ 266.287296][ T4927] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 266.287298][ T4927] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 266.287302][ T4927] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 266.287303][ T4927] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 266.287307][ T4927] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 266.287309][ T4927] ? netdev_notice (net/core/dev.c:13194) [ 266.287311][ T4927] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 266.287312][ T4927] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 266.287315][ T4927] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 266.287317][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287318][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287319][ T4927] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 266.287320][ T4927] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 266.287322][ T4927] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 266.287323][ T4927] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 266.287324][ T4927] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 266.287326][ T4927] ? register_netdev (net/core/dev.c:11618) [ 266.287327][ T4927] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 266.287329][ T4927] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 266.287331][ T4927] ? __kernel_text_address (kernel/extable.c:79) [ 266.287334][ T4927] ? write_profile (profile.c:?) [ 266.287337][ T4927] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 266.287341][ T4927] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 266.287342][ T4927] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 266.287344][ T4927] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 266.287345][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287346][ T4927] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 266.287349][ T4927] ? kasan_save_stack (mm/kasan/common.c:58) [ 266.287351][ T4927] ? kasan_save_stack (mm/kasan/common.c:57) [ 266.287352][ T4927] ? kasan_save_track (mm/kasan/common.c:78) [ 266.287353][ T4927] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 266.287354][ T4927] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 266.287355][ T4927] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 266.287356][ T4927] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 266.287357][ T4927] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 266.287360][ T4927] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 266.287363][ T4927] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 266.287365][ T4927] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 266.287368][ T4927] ? ____sys_sendmsg (net/socket.c:2713) [ 266.287370][ T4927] ? ___sys_sendmsg (net/socket.c:2767) [ 266.287372][ T4927] ? __sys_sendmsg (net/socket.c:2799) [ 266.287374][ T4927] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 266.287376][ T4927] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 266.287379][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287380][ T4927] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 266.287381][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287382][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287383][ T4927] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 266.287385][ T4927] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 266.287386][ T4927] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 266.287387][ T4927] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 266.287389][ T4927] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 266.287390][ T4927] ? nla_get_range_signed (lib/nlattr.c:270) [ 266.287393][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287394][ T4927] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 266.287396][ T4927] rtnl_newlink (net/core/rtnetlink.c:4215) [ 266.287398][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287399][ T4927] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 266.287400][ T4927] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 266.287402][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287403][ T4927] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 266.287405][ T4927] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 266.287407][ T4927] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 266.287408][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287409][ T4927] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 266.287412][ T4927] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 266.287415][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287416][ T4927] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 266.287418][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287419][ T4927] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 266.287420][ T4927] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 266.287422][ T4927] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 266.287423][ T4927] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 266.287425][ T4927] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 266.287427][ T4927] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 266.287429][ T4927] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 266.287430][ T4927] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 266.287431][ T4927] ? netlink_ack (./include/linux/skbuff.h:2718) [ 266.287433][ T4927] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 266.287436][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287437][ T4927] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 266.287439][ T4927] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 266.287441][ T4927] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 266.287443][ T4927] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 266.287445][ T4927] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 266.287447][ T4927] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 266.287448][ T4927] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 266.287450][ T4927] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 266.287451][ T4927] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 266.287455][ T4927] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 266.287456][ T4927] ____sys_sendmsg (net/socket.c:2713) [ 266.287458][ T4927] ? copy_msghdr_from_user (net/socket.c:2650) [ 266.287460][ T4927] ? sock_write_iter (net/socket.c:1269) [ 266.287461][ T4927] ? move_addr_to_kernel (net/socket.c:258) [ 266.287463][ T4927] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 266.287465][ T4927] ___sys_sendmsg (net/socket.c:2767) [ 266.287467][ T4927] ? copy_msghdr_from_user (net/socket.c:2619) [ 266.287472][ T4927] __sys_sendmsg (net/socket.c:2799) [ 266.287474][ T4927] ? __sys_sendmsg_sock (net/socket.c:2780) [ 266.287476][ T4927] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 266.287478][ T4927] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 266.287480][ T4927] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 266.287482][ T4927] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 266.287483][ T4927] RIP: 0033:0x7f2a6e0e254e [ 266.287485][ T4927] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 266.287486][ T4927] RSP: 002b:00007ffdd48b48d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 266.287490][ T4927] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2a6e0e254e [ 266.287492][ T4927] RDX: 0000000000000000 RSI: 00007ffdd48b4980 RDI: 0000000000000005 [ 266.287492][ T4927] RBP: 00007ffdd48b48e0 R08: 0000000000000000 R09: 0000000000000000 [ 266.287493][ T4927] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b13 [ 266.287494][ T4927] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd48b5050 | [ 367.726971][ T6552] softirqs last disabled at (0): 0x0 | [ 367.726975][ T6552] Preemption disabled at: | [ 367.726976][ T6552] vprintk_emit (kernel/printk/printk.c:2471) | [ 367.726992][ T6552] Tainted: [W]=WARN [ 367.727000][ T6552] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 367.727003][ T6552] Call Trace: [ 367.727006][ T6552] [ 367.727009][ T6552] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 367.727019][ T6552] ? vprintk_emit (kernel/printk/printk.c:2471) [ 367.727022][ T6552] __might_resched.cold (kernel/sched/core.c:9234) [ 367.727026][ T6552] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 367.727031][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727034][ T6552] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 367.727043][ T6552] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 367.727049][ T6552] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 367.727059][ T6552] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 367.727065][ T6552] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 367.727070][ T6552] put_chars (drivers/char/virtio_console.c:1176) [ 367.727072][ T6552] ? __send_to_port (drivers/char/virtio_console.c:654) [ 367.727074][ T6552] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 367.727077][ T6552] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 367.727080][ T6552] ? pointer (lib/vsprintf.c:2577) [ 367.727086][ T6552] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 367.727097][ T6552] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 367.727103][ T6552] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 367.727106][ T6552] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 367.727114][ T6552] console_emit_next_record (kernel/printk/printk.c:3183) [ 367.727119][ T6552] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 367.727122][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727123][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727125][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727127][ T6552] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 367.727130][ T6552] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 367.727132][ T6552] console_flush_one_record (kernel/printk/printk.c:3268) [ 367.727136][ T6552] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 367.727141][ T6552] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 367.727148][ T6552] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 367.727153][ T6552] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 367.727157][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727159][ T6552] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 367.727166][ T6552] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 367.727169][ T6552] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 367.727172][ T6552] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 367.727174][ T6552] ? vprintk_emit (kernel/printk/printk.c:2478) [ 367.727177][ T6552] vprintk_emit (kernel/printk/printk.c:2479) [ 367.727180][ T6552] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 367.727182][ T6552] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 367.727185][ T6552] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 367.727190][ T6552] _printk (kernel/printk/printk.c:2504) [ 367.727198][ T6552] ? snapshot_read.cold (user.c:?) [ 367.727205][ T6552] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 367.727209][ T6552] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 367.727217][ T6552] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 367.727221][ T6552] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 367.727225][ T6552] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 367.727228][ T6552] ? netdev_notice (net/core/dev.c:13194) [ 367.727231][ T6552] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 367.727234][ T6552] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 367.727240][ T6552] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 367.727244][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727246][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727251][ T6552] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 367.727256][ T6552] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 367.727263][ T6552] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 367.727266][ T6552] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 367.727269][ T6552] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 367.727272][ T6552] ? register_netdev (net/core/dev.c:11618) [ 367.727274][ T6552] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 367.727277][ T6552] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 367.727281][ T6552] ? __kernel_text_address (kernel/extable.c:79) [ 367.727284][ T6552] ? write_profile (profile.c:?) [ 367.727292][ T6552] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 367.727299][ T6552] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 367.727305][ T6552] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 367.727310][ T6552] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 367.727314][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727317][ T6552] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 367.727322][ T6552] ? kasan_save_stack (mm/kasan/common.c:58) [ 367.727325][ T6552] ? kasan_save_stack (mm/kasan/common.c:57) [ 367.727326][ T6552] ? kasan_save_track (mm/kasan/common.c:78) [ 367.727328][ T6552] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 367.727330][ T6552] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 367.727332][ T6552] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 367.727333][ T6552] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 367.727335][ T6552] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 367.727339][ T6552] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 367.727341][ T6552] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 367.727347][ T6552] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 367.727352][ T6552] ? ____sys_sendmsg (net/socket.c:2713) [ 367.727357][ T6552] ? ___sys_sendmsg (net/socket.c:2767) [ 367.727360][ T6552] ? __sys_sendmsg (net/socket.c:2799) [ 367.727363][ T6552] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 367.727378][ T6552] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 367.727385][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727388][ T6552] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 367.727390][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727392][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727394][ T6552] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 367.727396][ T6552] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 367.727398][ T6552] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 367.727400][ T6552] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 367.727402][ T6552] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 367.727404][ T6552] ? nla_get_range_signed (lib/nlattr.c:270) [ 367.727409][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727411][ T6552] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 367.727419][ T6552] rtnl_newlink (net/core/rtnetlink.c:4215) [ 367.727424][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727429][ T6552] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 367.727432][ T6552] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 367.727437][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727441][ T6552] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 367.727444][ T6552] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 367.727446][ T6552] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 367.727448][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727450][ T6552] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 367.727454][ T6552] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 367.727457][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727459][ T6552] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 367.727462][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727468][ T6552] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 367.727471][ T6552] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 367.727475][ T6552] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 367.727481][ T6552] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 367.727484][ T6552] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 367.727492][ T6552] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 367.727495][ T6552] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 367.727497][ T6552] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 367.727500][ T6552] ? netlink_ack (./include/linux/skbuff.h:2718) [ 367.727502][ T6552] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 367.727506][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727508][ T6552] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 367.727511][ T6552] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 367.727515][ T6552] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 367.727517][ T6552] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 367.727520][ T6552] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 367.727528][ T6552] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 367.727531][ T6552] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 367.727538][ T6552] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 367.727541][ T6552] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 367.727550][ T6552] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 367.727554][ T6552] ____sys_sendmsg (net/socket.c:2713) [ 367.727557][ T6552] ? copy_msghdr_from_user (net/socket.c:2650) [ 367.727559][ T6552] ? sock_write_iter (net/socket.c:1269) [ 367.727561][ T6552] ? move_addr_to_kernel (net/socket.c:258) [ 367.727563][ T6552] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 367.727568][ T6552] ___sys_sendmsg (net/socket.c:2767) [ 367.727570][ T6552] ? copy_msghdr_from_user (net/socket.c:2619) [ 367.727580][ T6552] __sys_sendmsg (net/socket.c:2799) [ 367.727587][ T6552] ? __sys_sendmsg_sock (net/socket.c:2780) [ 367.727595][ T6552] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 367.727601][ T6552] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 367.727605][ T6552] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 367.727608][ T6552] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 367.727611][ T6552] RIP: 0033:0x7f05ee3e854e [ 367.727614][ T6552] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 367.727617][ T6552] RSP: 002b:00007ffccddabcb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 367.727621][ T6552] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f05ee3e854e [ 367.727624][ T6552] RDX: 0000000000000000 RSI: 00007ffccddabd60 RDI: 0000000000000005 [ 367.727628][ T6552] RBP: 00007ffccddabcc0 R08: 0000000000000000 R09: 0000000000000000 [ 367.727630][ T6552] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b79 [ 367.727631][ T6552] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccddac430 | [ 385.444050][ T7365] softirqs last disabled at (0): 0x0 | [ 385.444052][ T7365] Preemption disabled at: | [ 385.444052][ T7365] vprintk_emit (kernel/printk/printk.c:2471) | [ 385.444062][ T7365] Tainted: [W]=WARN [ 385.444063][ T7365] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 385.444065][ T7365] Call Trace: [ 385.444067][ T7365] [ 385.444068][ T7365] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 385.444074][ T7365] ? vprintk_emit (kernel/printk/printk.c:2471) [ 385.444075][ T7365] __might_resched.cold (kernel/sched/core.c:9234) [ 385.444079][ T7365] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 385.444082][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444085][ T7365] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 385.444088][ T7365] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 385.444091][ T7365] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 385.444096][ T7365] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 385.444098][ T7365] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 385.444100][ T7365] put_chars (drivers/char/virtio_console.c:1176) [ 385.444102][ T7365] ? __send_to_port (drivers/char/virtio_console.c:654) [ 385.444103][ T7365] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 385.444105][ T7365] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 385.444107][ T7365] ? pointer (lib/vsprintf.c:2577) [ 385.444111][ T7365] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 385.444116][ T7365] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 385.444118][ T7365] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 385.444119][ T7365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 385.444122][ T7365] console_emit_next_record (kernel/printk/printk.c:3183) [ 385.444125][ T7365] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 385.444127][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444128][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444129][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444130][ T7365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 385.444132][ T7365] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 385.444133][ T7365] console_flush_one_record (kernel/printk/printk.c:3268) [ 385.444136][ T7365] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 385.444138][ T7365] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 385.444140][ T7365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 385.444142][ T7365] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 385.444144][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444144][ T7365] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 385.444146][ T7365] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 385.444148][ T7365] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 385.444149][ T7365] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 385.444151][ T7365] ? vprintk_emit (kernel/printk/printk.c:2478) [ 385.444152][ T7365] vprintk_emit (kernel/printk/printk.c:2479) [ 385.444154][ T7365] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 385.444155][ T7365] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 385.444158][ T7365] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 385.444161][ T7365] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 385.444163][ T7365] _printk (kernel/printk/printk.c:2504) [ 385.444166][ T7365] ? snapshot_read.cold (user.c:?) [ 385.444168][ T7365] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 385.444171][ T7365] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 385.444174][ T7365] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 385.444176][ T7365] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 385.444179][ T7365] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 385.444181][ T7365] ? netdev_notice (net/core/dev.c:13194) [ 385.444183][ T7365] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 385.444185][ T7365] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 385.444187][ T7365] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 385.444189][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444190][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444191][ T7365] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 385.444192][ T7365] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 385.444194][ T7365] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 385.444195][ T7365] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 385.444196][ T7365] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 385.444198][ T7365] ? register_netdev (net/core/dev.c:11618) [ 385.444200][ T7365] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 385.444202][ T7365] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 385.444204][ T7365] ? __kernel_text_address (kernel/extable.c:79) [ 385.444207][ T7365] ? write_profile (profile.c:?) [ 385.444210][ T7365] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 385.444213][ T7365] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 385.444215][ T7365] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 385.444216][ T7365] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 385.444218][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444219][ T7365] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 385.444222][ T7365] ? kasan_save_stack (mm/kasan/common.c:58) [ 385.444224][ T7365] ? kasan_save_stack (mm/kasan/common.c:57) [ 385.444225][ T7365] ? kasan_save_track (mm/kasan/common.c:78) [ 385.444226][ T7365] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 385.444227][ T7365] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 385.444228][ T7365] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 385.444229][ T7365] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 385.444231][ T7365] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 385.444234][ T7365] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 385.444235][ T7365] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 385.444237][ T7365] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 385.444239][ T7365] ? ____sys_sendmsg (net/socket.c:2713) [ 385.444240][ T7365] ? ___sys_sendmsg (net/socket.c:2767) [ 385.444242][ T7365] ? __sys_sendmsg (net/socket.c:2799) [ 385.444244][ T7365] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 385.444246][ T7365] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 385.444248][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444250][ T7365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 385.444251][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444252][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444253][ T7365] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 385.444255][ T7365] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 385.444256][ T7365] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 385.444257][ T7365] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 385.444259][ T7365] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 385.444260][ T7365] ? nla_get_range_signed (lib/nlattr.c:270) [ 385.444263][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444264][ T7365] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 385.444267][ T7365] rtnl_newlink (net/core/rtnetlink.c:4215) [ 385.444268][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444270][ T7365] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 385.444271][ T7365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 385.444272][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444274][ T7365] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 385.444276][ T7365] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 385.444278][ T7365] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 385.444279][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444280][ T7365] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 385.444284][ T7365] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 385.444286][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444287][ T7365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 385.444288][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444289][ T7365] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 385.444291][ T7365] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 385.444292][ T7365] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 385.444294][ T7365] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 385.444295][ T7365] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 385.444297][ T7365] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 385.444299][ T7365] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 385.444300][ T7365] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 385.444302][ T7365] ? netlink_ack (./include/linux/skbuff.h:2718) [ 385.444304][ T7365] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 385.444307][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444308][ T7365] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 385.444310][ T7365] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 385.444312][ T7365] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 385.444314][ T7365] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 385.444315][ T7365] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 385.444318][ T7365] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 385.444319][ T7365] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 385.444321][ T7365] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 385.444322][ T7365] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 385.444325][ T7365] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 385.444327][ T7365] ____sys_sendmsg (net/socket.c:2713) [ 385.444329][ T7365] ? copy_msghdr_from_user (net/socket.c:2650) [ 385.444331][ T7365] ? sock_write_iter (net/socket.c:1269) [ 385.444332][ T7365] ? move_addr_to_kernel (net/socket.c:258) [ 385.444334][ T7365] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 385.444336][ T7365] ___sys_sendmsg (net/socket.c:2767) [ 385.444338][ T7365] ? copy_msghdr_from_user (net/socket.c:2619) [ 385.444343][ T7365] __sys_sendmsg (net/socket.c:2799) [ 385.444345][ T7365] ? __sys_sendmsg_sock (net/socket.c:2780) [ 385.444348][ T7365] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 385.444349][ T7365] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 385.444351][ T7365] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 385.444353][ T7365] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 385.444354][ T7365] RIP: 0033:0x7f389c31d54e [ 385.444356][ T7365] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 385.444358][ T7365] RSP: 002b:00007ffc51289670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 385.444362][ T7365] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f389c31d54e [ 385.444364][ T7365] RDX: 0000000000000000 RSI: 00007ffc51289720 RDI: 0000000000000005 [ 385.444365][ T7365] RBP: 00007ffc51289680 R08: 0000000000000000 R09: 0000000000000000 [ 385.444367][ T7365] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b8a [ 385.444368][ T7365] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc51289df0 | [ 392.244207][ T7613] softirqs last disabled at (0): 0x0 | [ 392.244209][ T7613] Preemption disabled at: | [ 392.244210][ T7613] vprintk_emit (kernel/printk/printk.c:2471) | [ 392.244220][ T7613] Tainted: [W]=WARN [ 392.244221][ T7613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 392.244223][ T7613] Call Trace: [ 392.244224][ T7613] [ 392.244225][ T7613] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 392.244231][ T7613] ? vprintk_emit (kernel/printk/printk.c:2471) [ 392.244233][ T7613] __might_resched.cold (kernel/sched/core.c:9234) [ 392.244237][ T7613] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 392.244240][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244242][ T7613] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 392.244246][ T7613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 392.244249][ T7613] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 392.244254][ T7613] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 392.244255][ T7613] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 392.244258][ T7613] put_chars (drivers/char/virtio_console.c:1176) [ 392.244260][ T7613] ? __send_to_port (drivers/char/virtio_console.c:654) [ 392.244261][ T7613] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 392.244264][ T7613] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 392.244266][ T7613] ? pointer (lib/vsprintf.c:2577) [ 392.244269][ T7613] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 392.244274][ T7613] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 392.244276][ T7613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 392.244278][ T7613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 392.244280][ T7613] console_emit_next_record (kernel/printk/printk.c:3183) [ 392.244283][ T7613] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 392.244285][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244286][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244287][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244288][ T7613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 392.244290][ T7613] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 392.244292][ T7613] console_flush_one_record (kernel/printk/printk.c:3268) [ 392.244295][ T7613] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 392.244297][ T7613] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 392.244299][ T7613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 392.244301][ T7613] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 392.244303][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244304][ T7613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 392.244305][ T7613] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 392.244307][ T7613] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 392.244309][ T7613] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 392.244311][ T7613] ? vprintk_emit (kernel/printk/printk.c:2478) [ 392.244312][ T7613] vprintk_emit (kernel/printk/printk.c:2479) [ 392.244314][ T7613] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 392.244315][ T7613] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 392.244318][ T7613] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 392.244321][ T7613] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 392.244323][ T7613] _printk (kernel/printk/printk.c:2504) [ 392.244326][ T7613] ? snapshot_read.cold (user.c:?) [ 392.244328][ T7613] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 392.244331][ T7613] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 392.244334][ T7613] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 392.244336][ T7613] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 392.244339][ T7613] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 392.244341][ T7613] ? netdev_notice (net/core/dev.c:13194) [ 392.244343][ T7613] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 392.244345][ T7613] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 392.244348][ T7613] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 392.244349][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244350][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244351][ T7613] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 392.244353][ T7613] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 392.244354][ T7613] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 392.244356][ T7613] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 392.244357][ T7613] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 392.244359][ T7613] ? register_netdev (net/core/dev.c:11618) [ 392.244360][ T7613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 392.244363][ T7613] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 392.244367][ T7613] ? __kernel_text_address (kernel/extable.c:79) [ 392.244370][ T7613] ? write_profile (profile.c:?) [ 392.244374][ T7613] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 392.244378][ T7613] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 392.244379][ T7613] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 392.244381][ T7613] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 392.244382][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244383][ T7613] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 392.244387][ T7613] ? kasan_save_stack (mm/kasan/common.c:58) [ 392.244388][ T7613] ? kasan_save_stack (mm/kasan/common.c:57) [ 392.244390][ T7613] ? kasan_save_track (mm/kasan/common.c:78) [ 392.244391][ T7613] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 392.244392][ T7613] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 392.244393][ T7613] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 392.244394][ T7613] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 392.244395][ T7613] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 392.244398][ T7613] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 392.244400][ T7613] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 392.244401][ T7613] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 392.244404][ T7613] ? ____sys_sendmsg (net/socket.c:2713) [ 392.244406][ T7613] ? ___sys_sendmsg (net/socket.c:2767) [ 392.244407][ T7613] ? __sys_sendmsg (net/socket.c:2799) [ 392.244409][ T7613] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 392.244412][ T7613] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 392.244414][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244415][ T7613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 392.244417][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244418][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244419][ T7613] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 392.244420][ T7613] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 392.244422][ T7613] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 392.244423][ T7613] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 392.244425][ T7613] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 392.244426][ T7613] ? nla_get_range_signed (lib/nlattr.c:270) [ 392.244429][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244430][ T7613] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 392.244432][ T7613] rtnl_newlink (net/core/rtnetlink.c:4215) [ 392.244434][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244436][ T7613] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 392.244437][ T7613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 392.244438][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244440][ T7613] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 392.244442][ T7613] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 392.244444][ T7613] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 392.244445][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244446][ T7613] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 392.244450][ T7613] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 392.244452][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244453][ T7613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 392.244455][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244456][ T7613] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 392.244457][ T7613] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 392.244459][ T7613] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 392.244460][ T7613] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 392.244462][ T7613] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 392.244464][ T7613] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 392.244466][ T7613] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 392.244467][ T7613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 392.244469][ T7613] ? netlink_ack (./include/linux/skbuff.h:2718) [ 392.244471][ T7613] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 392.244474][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244475][ T7613] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 392.244477][ T7613] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 392.244479][ T7613] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 392.244481][ T7613] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 392.244483][ T7613] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 392.244485][ T7613] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 392.244487][ T7613] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 392.244489][ T7613] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 392.244490][ T7613] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 392.244494][ T7613] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 392.244495][ T7613] ____sys_sendmsg (net/socket.c:2713) [ 392.244497][ T7613] ? copy_msghdr_from_user (net/socket.c:2650) [ 392.244499][ T7613] ? sock_write_iter (net/socket.c:1269) [ 392.244500][ T7613] ? move_addr_to_kernel (net/socket.c:258) [ 392.244502][ T7613] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 392.244505][ T7613] ___sys_sendmsg (net/socket.c:2767) [ 392.244506][ T7613] ? copy_msghdr_from_user (net/socket.c:2619) [ 392.244511][ T7613] __sys_sendmsg (net/socket.c:2799) [ 392.244513][ T7613] ? __sys_sendmsg_sock (net/socket.c:2780) [ 392.244522][ T7613] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 392.244524][ T7613] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 392.244526][ T7613] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 392.244528][ T7613] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 392.244529][ T7613] RIP: 0033:0x7f886aae054e [ 392.244531][ T7613] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 392.244533][ T7613] RSP: 002b:00007ffc368cda80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 392.244536][ T7613] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f886aae054e [ 392.244538][ T7613] RDX: 0000000000000000 RSI: 00007ffc368cdb30 RDI: 0000000000000005 [ 392.244539][ T7613] RBP: 00007ffc368cda90 R08: 0000000000000000 R09: 0000000000000000 [ 392.244540][ T7613] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b91 [ 392.244541][ T7613] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc368ce200 | [ 402.114071][ T7964] softirqs last disabled at (0): 0x0 | [ 402.114073][ T7964] Preemption disabled at: | [ 402.114073][ T7964] vprintk_emit (kernel/printk/printk.c:2471) | [ 402.114084][ T7964] Tainted: [W]=WARN [ 402.114084][ T7964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 402.114086][ T7964] Call Trace: [ 402.114088][ T7964] [ 402.114089][ T7964] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 402.114095][ T7964] ? vprintk_emit (kernel/printk/printk.c:2471) [ 402.114096][ T7964] __might_resched.cold (kernel/sched/core.c:9234) [ 402.114100][ T7964] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 402.114104][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114106][ T7964] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 402.114109][ T7964] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 402.114113][ T7964] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 402.114117][ T7964] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 402.114119][ T7964] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 402.114122][ T7964] put_chars (drivers/char/virtio_console.c:1176) [ 402.114123][ T7964] ? __send_to_port (drivers/char/virtio_console.c:654) [ 402.114125][ T7964] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 402.114127][ T7964] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 402.114129][ T7964] ? pointer (lib/vsprintf.c:2577) [ 402.114133][ T7964] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 402.114138][ T7964] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 402.114139][ T7964] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 402.114141][ T7964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.114144][ T7964] console_emit_next_record (kernel/printk/printk.c:3183) [ 402.114147][ T7964] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 402.114149][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114150][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114151][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114152][ T7964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.114154][ T7964] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 402.114156][ T7964] console_flush_one_record (kernel/printk/printk.c:3268) [ 402.114159][ T7964] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 402.114162][ T7964] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 402.114163][ T7964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.114165][ T7964] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 402.114167][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114168][ T7964] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 402.114169][ T7964] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 402.114171][ T7964] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 402.114173][ T7964] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 402.114175][ T7964] ? vprintk_emit (kernel/printk/printk.c:2478) [ 402.114176][ T7964] vprintk_emit (kernel/printk/printk.c:2479) [ 402.114178][ T7964] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 402.114179][ T7964] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 402.114182][ T7964] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 402.114185][ T7964] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 402.114187][ T7964] _printk (kernel/printk/printk.c:2504) [ 402.114190][ T7964] ? snapshot_read.cold (user.c:?) [ 402.114192][ T7964] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 402.114194][ T7964] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 402.114197][ T7964] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 402.114199][ T7964] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 402.114202][ T7964] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 402.114205][ T7964] ? netdev_notice (net/core/dev.c:13194) [ 402.114207][ T7964] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 402.114208][ T7964] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 402.114211][ T7964] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 402.114213][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114214][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114215][ T7964] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 402.114216][ T7964] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 402.114218][ T7964] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 402.114219][ T7964] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 402.114221][ T7964] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 402.114222][ T7964] ? register_netdev (net/core/dev.c:11618) [ 402.114224][ T7964] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 402.114226][ T7964] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 402.114228][ T7964] ? __kernel_text_address (kernel/extable.c:79) [ 402.114231][ T7964] ? write_profile (profile.c:?) [ 402.114234][ T7964] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 402.114238][ T7964] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 402.114239][ T7964] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 402.114241][ T7964] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 402.114242][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114243][ T7964] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 402.114247][ T7964] ? kasan_save_stack (mm/kasan/common.c:58) [ 402.114249][ T7964] ? kasan_save_stack (mm/kasan/common.c:57) [ 402.114250][ T7964] ? kasan_save_track (mm/kasan/common.c:78) [ 402.114251][ T7964] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 402.114252][ T7964] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 402.114253][ T7964] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 402.114255][ T7964] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 402.114256][ T7964] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 402.114259][ T7964] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 402.114261][ T7964] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 402.114262][ T7964] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 402.114265][ T7964] ? ____sys_sendmsg (net/socket.c:2713) [ 402.114266][ T7964] ? ___sys_sendmsg (net/socket.c:2767) [ 402.114268][ T7964] ? __sys_sendmsg (net/socket.c:2799) [ 402.114269][ T7964] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 402.114272][ T7964] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 402.114274][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114276][ T7964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.114277][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114278][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114279][ T7964] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 402.114281][ T7964] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 402.114282][ T7964] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 402.114284][ T7964] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 402.114285][ T7964] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 402.114286][ T7964] ? nla_get_range_signed (lib/nlattr.c:270) [ 402.114290][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114291][ T7964] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 402.114293][ T7964] rtnl_newlink (net/core/rtnetlink.c:4215) [ 402.114295][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114296][ T7964] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 402.114298][ T7964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.114299][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114301][ T7964] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 402.114303][ T7964] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 402.114304][ T7964] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 402.114306][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114307][ T7964] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 402.114310][ T7964] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 402.114313][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114314][ T7964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.114316][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114317][ T7964] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 402.114318][ T7964] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 402.114320][ T7964] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 402.114321][ T7964] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 402.114323][ T7964] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 402.114325][ T7964] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 402.114327][ T7964] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 402.114329][ T7964] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 402.114330][ T7964] ? netlink_ack (./include/linux/skbuff.h:2718) [ 402.114332][ T7964] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 402.114335][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114336][ T7964] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 402.114339][ T7964] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 402.114341][ T7964] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 402.114343][ T7964] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 402.114345][ T7964] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 402.114347][ T7964] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 402.114349][ T7964] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 402.114350][ T7964] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 402.114352][ T7964] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 402.114355][ T7964] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 402.114357][ T7964] ____sys_sendmsg (net/socket.c:2713) [ 402.114359][ T7964] ? copy_msghdr_from_user (net/socket.c:2650) [ 402.114361][ T7964] ? sock_write_iter (net/socket.c:1269) [ 402.114363][ T7964] ? move_addr_to_kernel (net/socket.c:258) [ 402.114366][ T7964] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 402.114370][ T7964] ___sys_sendmsg (net/socket.c:2767) [ 402.114372][ T7964] ? copy_msghdr_from_user (net/socket.c:2619) [ 402.114378][ T7964] __sys_sendmsg (net/socket.c:2799) [ 402.114380][ T7964] ? __sys_sendmsg_sock (net/socket.c:2780) [ 402.114383][ T7964] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 402.114384][ T7964] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 402.114386][ T7964] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 402.114388][ T7964] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 402.114390][ T7964] RIP: 0033:0x7fa70d22c54e [ 402.114392][ T7964] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 402.114393][ T7964] RSP: 002b:00007fff772851d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 402.114397][ T7964] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa70d22c54e [ 402.114399][ T7964] RDX: 0000000000000000 RSI: 00007fff77285280 RDI: 0000000000000005 [ 402.114400][ T7964] RBP: 00007fff772851e0 R08: 0000000000000000 R09: 0000000000000000 [ 402.114401][ T7964] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917b9b [ 402.114401][ T7964] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff77285950 | [ 409.605351][ T8100] softirqs last disabled at (0): 0x0 | [ 409.605353][ T8100] Preemption disabled at: | [ 409.605354][ T8100] vprintk_emit (kernel/printk/printk.c:2471) | [ 409.605365][ T8100] Tainted: [W]=WARN [ 409.605367][ T8100] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 409.605369][ T8100] Call Trace: [ 409.605371][ T8100] [ 409.605372][ T8100] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 409.605378][ T8100] ? vprintk_emit (kernel/printk/printk.c:2471) [ 409.605379][ T8100] __might_resched.cold (kernel/sched/core.c:9234) [ 409.605383][ T8100] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 409.605387][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605389][ T8100] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 409.605392][ T8100] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 409.605396][ T8100] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 409.605401][ T8100] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 409.605402][ T8100] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 409.605405][ T8100] put_chars (drivers/char/virtio_console.c:1176) [ 409.605407][ T8100] ? __send_to_port (drivers/char/virtio_console.c:654) [ 409.605408][ T8100] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 409.605410][ T8100] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 409.605412][ T8100] ? pointer (lib/vsprintf.c:2577) [ 409.605416][ T8100] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 409.605421][ T8100] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 409.605423][ T8100] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 409.605425][ T8100] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 409.605428][ T8100] console_emit_next_record (kernel/printk/printk.c:3183) [ 409.605430][ T8100] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 409.605432][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605433][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605434][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605435][ T8100] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 409.605437][ T8100] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 409.605439][ T8100] console_flush_one_record (kernel/printk/printk.c:3268) [ 409.605442][ T8100] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 409.605445][ T8100] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 409.605446][ T8100] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 409.605448][ T8100] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 409.605450][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605451][ T8100] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 409.605452][ T8100] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 409.605454][ T8100] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 409.605455][ T8100] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 409.605458][ T8100] ? vprintk_emit (kernel/printk/printk.c:2478) [ 409.605459][ T8100] vprintk_emit (kernel/printk/printk.c:2479) [ 409.605461][ T8100] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 409.605462][ T8100] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 409.605464][ T8100] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 409.605467][ T8100] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 409.605470][ T8100] _printk (kernel/printk/printk.c:2504) [ 409.605473][ T8100] ? snapshot_read.cold (user.c:?) [ 409.605475][ T8100] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 409.605477][ T8100] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 409.605480][ T8100] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 409.605482][ T8100] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 409.605485][ T8100] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 409.605487][ T8100] ? netdev_notice (net/core/dev.c:13194) [ 409.605489][ T8100] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 409.605491][ T8100] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 409.605494][ T8100] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 409.605495][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605496][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605497][ T8100] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 409.605499][ T8100] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 409.605500][ T8100] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 409.605502][ T8100] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 409.605503][ T8100] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 409.605505][ T8100] ? register_netdev (net/core/dev.c:11618) [ 409.605506][ T8100] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 409.605508][ T8100] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 409.605511][ T8100] ? __kernel_text_address (kernel/extable.c:79) [ 409.605513][ T8100] ? write_profile (profile.c:?) [ 409.605516][ T8100] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 409.605520][ T8100] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 409.605522][ T8100] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 409.605523][ T8100] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 409.605525][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605526][ T8100] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 409.605529][ T8100] ? kasan_save_stack (mm/kasan/common.c:58) [ 409.605531][ T8100] ? kasan_save_stack (mm/kasan/common.c:57) [ 409.605532][ T8100] ? kasan_save_track (mm/kasan/common.c:78) [ 409.605533][ T8100] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 409.605534][ T8100] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 409.605535][ T8100] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 409.605536][ T8100] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 409.605537][ T8100] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 409.605541][ T8100] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 409.605542][ T8100] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 409.605544][ T8100] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 409.605546][ T8100] ? ____sys_sendmsg (net/socket.c:2713) [ 409.605548][ T8100] ? ___sys_sendmsg (net/socket.c:2767) [ 409.605549][ T8100] ? __sys_sendmsg (net/socket.c:2799) [ 409.605551][ T8100] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 409.605553][ T8100] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 409.605556][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605557][ T8100] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 409.605559][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605560][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605561][ T8100] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 409.605563][ T8100] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 409.605564][ T8100] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 409.605565][ T8100] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 409.605567][ T8100] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 409.605568][ T8100] ? nla_get_range_signed (lib/nlattr.c:270) [ 409.605571][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605573][ T8100] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 409.605575][ T8100] rtnl_newlink (net/core/rtnetlink.c:4215) [ 409.605577][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605578][ T8100] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 409.605579][ T8100] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 409.605581][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605582][ T8100] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 409.605584][ T8100] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 409.605585][ T8100] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 409.605587][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605588][ T8100] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 409.605591][ T8100] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 409.605594][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605595][ T8100] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 409.605596][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605598][ T8100] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 409.605599][ T8100] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 409.605601][ T8100] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 409.605602][ T8100] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 409.605604][ T8100] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 409.605606][ T8100] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 409.605608][ T8100] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 409.605609][ T8100] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 409.605611][ T8100] ? netlink_ack (./include/linux/skbuff.h:2718) [ 409.605612][ T8100] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 409.605615][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605616][ T8100] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 409.605626][ T8100] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 409.605628][ T8100] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 409.605630][ T8100] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 409.605632][ T8100] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 409.605634][ T8100] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 409.605636][ T8100] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 409.605637][ T8100] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 409.605639][ T8100] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 409.605642][ T8100] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 409.605644][ T8100] ____sys_sendmsg (net/socket.c:2713) [ 409.605646][ T8100] ? copy_msghdr_from_user (net/socket.c:2650) [ 409.605647][ T8100] ? sock_write_iter (net/socket.c:1269) [ 409.605649][ T8100] ? move_addr_to_kernel (net/socket.c:258) [ 409.605650][ T8100] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 409.605653][ T8100] ___sys_sendmsg (net/socket.c:2767) [ 409.605655][ T8100] ? copy_msghdr_from_user (net/socket.c:2619) [ 409.605660][ T8100] __sys_sendmsg (net/socket.c:2799) [ 409.605662][ T8100] ? __sys_sendmsg_sock (net/socket.c:2780) [ 409.605665][ T8100] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 409.605666][ T8100] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 409.605668][ T8100] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 409.605670][ T8100] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 409.605672][ T8100] RIP: 0033:0x7f8c0307f54e [ 409.605674][ T8100] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 409.605675][ T8100] RSP: 002b:00007ffe857efc90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 409.605679][ T8100] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8c0307f54e [ 409.605680][ T8100] RDX: 0000000000000000 RSI: 00007ffe857efd40 RDI: 0000000000000005 [ 409.605681][ T8100] RBP: 00007ffe857efca0 R08: 0000000000000000 R09: 0000000000000000 [ 409.605682][ T8100] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917ba2 [ 409.605683][ T8100] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe857f0410 | [ 417.031093][ T8236] softirqs last disabled at (0): 0x0 | [ 417.031095][ T8236] Preemption disabled at: | [ 417.031096][ T8236] vprintk_emit (kernel/printk/printk.c:2471) | [ 417.031106][ T8236] Tainted: [W]=WARN [ 417.031107][ T8236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 417.031109][ T8236] Call Trace: [ 417.031110][ T8236] [ 417.031112][ T8236] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 417.031117][ T8236] ? vprintk_emit (kernel/printk/printk.c:2471) [ 417.031119][ T8236] __might_resched.cold (kernel/sched/core.c:9234) [ 417.031123][ T8236] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 417.031126][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031128][ T8236] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 417.031131][ T8236] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 417.031134][ T8236] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 417.031139][ T8236] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 417.031141][ T8236] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 417.031144][ T8236] put_chars (drivers/char/virtio_console.c:1176) [ 417.031146][ T8236] ? __send_to_port (drivers/char/virtio_console.c:654) [ 417.031147][ T8236] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 417.031149][ T8236] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 417.031151][ T8236] ? pointer (lib/vsprintf.c:2577) [ 417.031155][ T8236] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 417.031160][ T8236] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 417.031161][ T8236] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 417.031163][ T8236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 417.031166][ T8236] console_emit_next_record (kernel/printk/printk.c:3183) [ 417.031168][ T8236] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 417.031170][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031171][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031172][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031173][ T8236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 417.031175][ T8236] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 417.031177][ T8236] console_flush_one_record (kernel/printk/printk.c:3268) [ 417.031180][ T8236] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 417.031182][ T8236] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 417.031184][ T8236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 417.031186][ T8236] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 417.031187][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031188][ T8236] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 417.031190][ T8236] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 417.031191][ T8236] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 417.031193][ T8236] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 417.031195][ T8236] ? vprintk_emit (kernel/printk/printk.c:2478) [ 417.031196][ T8236] vprintk_emit (kernel/printk/printk.c:2479) [ 417.031198][ T8236] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 417.031199][ T8236] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 417.031202][ T8236] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 417.031205][ T8236] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 417.031207][ T8236] _printk (kernel/printk/printk.c:2504) [ 417.031210][ T8236] ? snapshot_read.cold (user.c:?) [ 417.031212][ T8236] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 417.031215][ T8236] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 417.031218][ T8236] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 417.031220][ T8236] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 417.031224][ T8236] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 417.031226][ T8236] ? netdev_notice (net/core/dev.c:13194) [ 417.031228][ T8236] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 417.031230][ T8236] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 417.031233][ T8236] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 417.031234][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031235][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031236][ T8236] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 417.031238][ T8236] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 417.031239][ T8236] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 417.031240][ T8236] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 417.031242][ T8236] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 417.031243][ T8236] ? register_netdev (net/core/dev.c:11618) [ 417.031245][ T8236] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 417.031247][ T8236] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 417.031249][ T8236] ? __kernel_text_address (kernel/extable.c:79) [ 417.031252][ T8236] ? write_profile (profile.c:?) [ 417.031255][ T8236] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 417.031259][ T8236] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 417.031260][ T8236] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 417.031262][ T8236] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 417.031263][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031264][ T8236] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 417.031268][ T8236] ? kasan_save_stack (mm/kasan/common.c:58) [ 417.031269][ T8236] ? kasan_save_stack (mm/kasan/common.c:57) [ 417.031270][ T8236] ? kasan_save_track (mm/kasan/common.c:78) [ 417.031272][ T8236] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 417.031273][ T8236] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 417.031274][ T8236] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 417.031275][ T8236] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 417.031276][ T8236] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 417.031279][ T8236] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 417.031281][ T8236] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 417.031282][ T8236] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 417.031285][ T8236] ? ____sys_sendmsg (net/socket.c:2713) [ 417.031286][ T8236] ? ___sys_sendmsg (net/socket.c:2767) [ 417.031287][ T8236] ? __sys_sendmsg (net/socket.c:2799) [ 417.031289][ T8236] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 417.031291][ T8236] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 417.031294][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031295][ T8236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 417.031296][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031297][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031298][ T8236] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 417.031300][ T8236] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 417.031301][ T8236] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 417.031302][ T8236] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 417.031304][ T8236] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 417.031305][ T8236] ? nla_get_range_signed (lib/nlattr.c:270) [ 417.031308][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031310][ T8236] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 417.031312][ T8236] rtnl_newlink (net/core/rtnetlink.c:4215) [ 417.031314][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031315][ T8236] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 417.031316][ T8236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 417.031318][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031319][ T8236] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 417.031321][ T8236] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 417.031323][ T8236] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 417.031324][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031325][ T8236] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 417.031329][ T8236] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 417.031331][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031332][ T8236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 417.031334][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031335][ T8236] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 417.031336][ T8236] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 417.031338][ T8236] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 417.031339][ T8236] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 417.031341][ T8236] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 417.031343][ T8236] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 417.031345][ T8236] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 417.031346][ T8236] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 417.031348][ T8236] ? netlink_ack (./include/linux/skbuff.h:2718) [ 417.031349][ T8236] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 417.031352][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031353][ T8236] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 417.031355][ T8236] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 417.031357][ T8236] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 417.031359][ T8236] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 417.031361][ T8236] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 417.031365][ T8236] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 417.031367][ T8236] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 417.031370][ T8236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 417.031372][ T8236] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 417.031375][ T8236] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 417.031377][ T8236] ____sys_sendmsg (net/socket.c:2713) [ 417.031378][ T8236] ? copy_msghdr_from_user (net/socket.c:2650) [ 417.031380][ T8236] ? sock_write_iter (net/socket.c:1269) [ 417.031382][ T8236] ? move_addr_to_kernel (net/socket.c:258) [ 417.031383][ T8236] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 417.031386][ T8236] ___sys_sendmsg (net/socket.c:2767) [ 417.031388][ T8236] ? copy_msghdr_from_user (net/socket.c:2619) [ 417.031393][ T8236] __sys_sendmsg (net/socket.c:2799) [ 417.031395][ T8236] ? __sys_sendmsg_sock (net/socket.c:2780) [ 417.031398][ T8236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 417.031399][ T8236] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 417.031401][ T8236] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 417.031403][ T8236] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 417.031404][ T8236] RIP: 0033:0x7fb4013db54e [ 417.031406][ T8236] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 417.031408][ T8236] RSP: 002b:00007ffd774051f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 417.031412][ T8236] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb4013db54e [ 417.031413][ T8236] RDX: 0000000000000000 RSI: 00007ffd774052a0 RDI: 0000000000000005 [ 417.031414][ T8236] RBP: 00007ffd77405200 R08: 0000000000000000 R09: 0000000000000000 [ 417.031415][ T8236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917baa [ 417.031416][ T8236] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd77405970 | [ 424.480070][ T8373] softirqs last disabled at (0): 0x0 | [ 424.480072][ T8373] Preemption disabled at: | [ 424.480073][ T8373] vprintk_emit (kernel/printk/printk.c:2471) | [ 424.480082][ T8373] Tainted: [W]=WARN [ 424.480083][ T8373] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 424.480085][ T8373] Call Trace: [ 424.480086][ T8373] [ 424.480087][ T8373] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 424.480093][ T8373] ? vprintk_emit (kernel/printk/printk.c:2471) [ 424.480095][ T8373] __might_resched.cold (kernel/sched/core.c:9234) [ 424.480099][ T8373] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 424.480102][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480105][ T8373] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 424.480108][ T8373] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 424.480111][ T8373] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 424.480116][ T8373] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 424.480117][ T8373] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 424.480120][ T8373] put_chars (drivers/char/virtio_console.c:1176) [ 424.480122][ T8373] ? __send_to_port (drivers/char/virtio_console.c:654) [ 424.480123][ T8373] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 424.480125][ T8373] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 424.480128][ T8373] ? pointer (lib/vsprintf.c:2577) [ 424.480131][ T8373] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 424.480136][ T8373] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 424.480138][ T8373] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 424.480140][ T8373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.480142][ T8373] console_emit_next_record (kernel/printk/printk.c:3183) [ 424.480145][ T8373] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 424.480147][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480148][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480149][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480150][ T8373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.480152][ T8373] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 424.480154][ T8373] console_flush_one_record (kernel/printk/printk.c:3268) [ 424.480156][ T8373] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 424.480159][ T8373] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 424.480161][ T8373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.480163][ T8373] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 424.480164][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480165][ T8373] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 424.480167][ T8373] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 424.480168][ T8373] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 424.480170][ T8373] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 424.480172][ T8373] ? vprintk_emit (kernel/printk/printk.c:2478) [ 424.480173][ T8373] vprintk_emit (kernel/printk/printk.c:2479) [ 424.480175][ T8373] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 424.480176][ T8373] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 424.480179][ T8373] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 424.480182][ T8373] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 424.480184][ T8373] _printk (kernel/printk/printk.c:2504) [ 424.480187][ T8373] ? snapshot_read.cold (user.c:?) [ 424.480189][ T8373] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 424.480192][ T8373] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 424.480195][ T8373] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 424.480197][ T8373] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 424.480200][ T8373] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 424.480202][ T8373] ? netdev_notice (net/core/dev.c:13194) [ 424.480204][ T8373] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 424.480206][ T8373] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 424.480209][ T8373] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 424.480210][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480211][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480213][ T8373] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 424.480214][ T8373] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 424.480215][ T8373] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 424.480217][ T8373] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 424.480218][ T8373] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 424.480220][ T8373] ? register_netdev (net/core/dev.c:11618) [ 424.480221][ T8373] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 424.480223][ T8373] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 424.480226][ T8373] ? __kernel_text_address (kernel/extable.c:79) [ 424.480228][ T8373] ? write_profile (profile.c:?) [ 424.480231][ T8373] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 424.480235][ T8373] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 424.480237][ T8373] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 424.480238][ T8373] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 424.480239][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480240][ T8373] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 424.480244][ T8373] ? kasan_save_stack (mm/kasan/common.c:58) [ 424.480246][ T8373] ? kasan_save_stack (mm/kasan/common.c:57) [ 424.480247][ T8373] ? kasan_save_track (mm/kasan/common.c:78) [ 424.480248][ T8373] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 424.480249][ T8373] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 424.480250][ T8373] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 424.480251][ T8373] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 424.480252][ T8373] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 424.480255][ T8373] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 424.480257][ T8373] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 424.480258][ T8373] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 424.480261][ T8373] ? ____sys_sendmsg (net/socket.c:2713) [ 424.480262][ T8373] ? ___sys_sendmsg (net/socket.c:2767) [ 424.480264][ T8373] ? __sys_sendmsg (net/socket.c:2799) [ 424.480266][ T8373] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 424.480268][ T8373] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 424.480270][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480271][ T8373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.480273][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480274][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480275][ T8373] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 424.480276][ T8373] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 424.480278][ T8373] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 424.480279][ T8373] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 424.480280][ T8373] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 424.480281][ T8373] ? nla_get_range_signed (lib/nlattr.c:270) [ 424.480285][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480286][ T8373] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 424.480288][ T8373] rtnl_newlink (net/core/rtnetlink.c:4215) [ 424.480290][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480291][ T8373] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 424.480292][ T8373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.480294][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480295][ T8373] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 424.480298][ T8373] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 424.480299][ T8373] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 424.480301][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480302][ T8373] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 424.480305][ T8373] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 424.480308][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480309][ T8373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.480310][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480311][ T8373] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 424.480313][ T8373] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 424.480314][ T8373] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 424.480316][ T8373] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 424.480318][ T8373] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 424.480320][ T8373] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 424.480322][ T8373] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 424.480323][ T8373] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 424.480325][ T8373] ? netlink_ack (./include/linux/skbuff.h:2718) [ 424.480326][ T8373] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 424.480329][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480331][ T8373] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 424.480333][ T8373] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 424.480335][ T8373] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 424.480337][ T8373] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 424.480339][ T8373] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 424.480341][ T8373] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 424.480342][ T8373] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 424.480344][ T8373] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 424.480346][ T8373] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 424.480349][ T8373] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 424.480351][ T8373] ____sys_sendmsg (net/socket.c:2713) [ 424.480352][ T8373] ? copy_msghdr_from_user (net/socket.c:2650) [ 424.480354][ T8373] ? sock_write_iter (net/socket.c:1269) [ 424.480355][ T8373] ? move_addr_to_kernel (net/socket.c:258) [ 424.480357][ T8373] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 424.480360][ T8373] ___sys_sendmsg (net/socket.c:2767) [ 424.480362][ T8373] ? copy_msghdr_from_user (net/socket.c:2619) [ 424.480370][ T8373] __sys_sendmsg (net/socket.c:2799) [ 424.480373][ T8373] ? __sys_sendmsg_sock (net/socket.c:2780) [ 424.480375][ T8373] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 424.480377][ T8373] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 424.480379][ T8373] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 424.480381][ T8373] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 424.480382][ T8373] RIP: 0033:0x7f7d2687354e [ 424.480384][ T8373] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 424.480386][ T8373] RSP: 002b:00007ffebfecf7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 424.480390][ T8373] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7d2687354e [ 424.480391][ T8373] RDX: 0000000000000000 RSI: 00007ffebfecf850 RDI: 0000000000000005 [ 424.480392][ T8373] RBP: 00007ffebfecf7b0 R08: 0000000000000000 R09: 0000000000000000 [ 424.480393][ T8373] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bb1 [ 424.480394][ T8373] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebfecff20 | [ 432.470509][ T8516] softirqs last disabled at (0): 0x0 | [ 432.470511][ T8516] Preemption disabled at: | [ 432.470511][ T8516] vprintk_emit (kernel/printk/printk.c:2471) | [ 432.470521][ T8516] Tainted: [W]=WARN [ 432.470522][ T8516] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 432.470524][ T8516] Call Trace: [ 432.470525][ T8516] [ 432.470526][ T8516] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 432.470532][ T8516] ? vprintk_emit (kernel/printk/printk.c:2471) [ 432.470533][ T8516] __might_resched.cold (kernel/sched/core.c:9234) [ 432.470537][ T8516] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 432.470541][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470543][ T8516] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 432.470546][ T8516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 432.470549][ T8516] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 432.470554][ T8516] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 432.470556][ T8516] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 432.470559][ T8516] put_chars (drivers/char/virtio_console.c:1176) [ 432.470561][ T8516] ? __send_to_port (drivers/char/virtio_console.c:654) [ 432.470562][ T8516] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 432.470564][ T8516] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 432.470566][ T8516] ? pointer (lib/vsprintf.c:2577) [ 432.470570][ T8516] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 432.470575][ T8516] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 432.470577][ T8516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 432.470579][ T8516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 432.470581][ T8516] console_emit_next_record (kernel/printk/printk.c:3183) [ 432.470584][ T8516] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 432.470586][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470587][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470588][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470589][ T8516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 432.470591][ T8516] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 432.470593][ T8516] console_flush_one_record (kernel/printk/printk.c:3268) [ 432.470596][ T8516] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 432.470598][ T8516] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 432.470600][ T8516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 432.470602][ T8516] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 432.470603][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470604][ T8516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 432.470606][ T8516] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 432.470608][ T8516] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 432.470609][ T8516] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 432.470611][ T8516] ? vprintk_emit (kernel/printk/printk.c:2478) [ 432.470612][ T8516] vprintk_emit (kernel/printk/printk.c:2479) [ 432.470614][ T8516] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 432.470615][ T8516] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 432.470618][ T8516] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 432.470621][ T8516] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 432.470623][ T8516] _printk (kernel/printk/printk.c:2504) [ 432.470626][ T8516] ? snapshot_read.cold (user.c:?) [ 432.470628][ T8516] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 432.470630][ T8516] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 432.470634][ T8516] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 432.470636][ T8516] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 432.470639][ T8516] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 432.470641][ T8516] ? netdev_notice (net/core/dev.c:13194) [ 432.470643][ T8516] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 432.470645][ T8516] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 432.470647][ T8516] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 432.470649][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470650][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470651][ T8516] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 432.470652][ T8516] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 432.470654][ T8516] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 432.470655][ T8516] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 432.470656][ T8516] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 432.470658][ T8516] ? register_netdev (net/core/dev.c:11618) [ 432.470660][ T8516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 432.470662][ T8516] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 432.470664][ T8516] ? __kernel_text_address (kernel/extable.c:79) [ 432.470667][ T8516] ? write_profile (profile.c:?) [ 432.470670][ T8516] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 432.470674][ T8516] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 432.470676][ T8516] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 432.470677][ T8516] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 432.470678][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470680][ T8516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 432.470683][ T8516] ? kasan_save_stack (mm/kasan/common.c:58) [ 432.470685][ T8516] ? kasan_save_stack (mm/kasan/common.c:57) [ 432.470686][ T8516] ? kasan_save_track (mm/kasan/common.c:78) [ 432.470687][ T8516] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 432.470688][ T8516] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 432.470689][ T8516] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 432.470691][ T8516] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 432.470692][ T8516] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 432.470695][ T8516] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 432.470697][ T8516] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 432.470698][ T8516] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 432.470701][ T8516] ? ____sys_sendmsg (net/socket.c:2713) [ 432.470702][ T8516] ? ___sys_sendmsg (net/socket.c:2767) [ 432.470704][ T8516] ? __sys_sendmsg (net/socket.c:2799) [ 432.470705][ T8516] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 432.470708][ T8516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 432.470710][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470712][ T8516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 432.470713][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470714][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470715][ T8516] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 432.470716][ T8516] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 432.470718][ T8516] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 432.470719][ T8516] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 432.470721][ T8516] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 432.470721][ T8516] ? nla_get_range_signed (lib/nlattr.c:270) [ 432.470725][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470726][ T8516] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 432.470728][ T8516] rtnl_newlink (net/core/rtnetlink.c:4215) [ 432.470730][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470731][ T8516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 432.470732][ T8516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 432.470734][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470735][ T8516] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 432.470738][ T8516] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 432.470739][ T8516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 432.470740][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470742][ T8516] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 432.470745][ T8516] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 432.470747][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470749][ T8516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 432.470750][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470751][ T8516] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 432.470753][ T8516] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 432.470754][ T8516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 432.470762][ T8516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 432.470764][ T8516] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 432.470766][ T8516] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 432.470768][ T8516] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 432.470769][ T8516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 432.470771][ T8516] ? netlink_ack (./include/linux/skbuff.h:2718) [ 432.470773][ T8516] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 432.470776][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470777][ T8516] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 432.470779][ T8516] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 432.470781][ T8516] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 432.470783][ T8516] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 432.470785][ T8516] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 432.470787][ T8516] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 432.470788][ T8516] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 432.470790][ T8516] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 432.470792][ T8516] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 432.470795][ T8516] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 432.470797][ T8516] ____sys_sendmsg (net/socket.c:2713) [ 432.470798][ T8516] ? copy_msghdr_from_user (net/socket.c:2650) [ 432.470800][ T8516] ? sock_write_iter (net/socket.c:1269) [ 432.470802][ T8516] ? move_addr_to_kernel (net/socket.c:258) [ 432.470803][ T8516] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 432.470806][ T8516] ___sys_sendmsg (net/socket.c:2767) [ 432.470808][ T8516] ? copy_msghdr_from_user (net/socket.c:2619) [ 432.470813][ T8516] __sys_sendmsg (net/socket.c:2799) [ 432.470815][ T8516] ? __sys_sendmsg_sock (net/socket.c:2780) [ 432.470818][ T8516] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 432.470819][ T8516] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 432.470821][ T8516] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 432.470823][ T8516] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 432.470824][ T8516] RIP: 0033:0x7f42a6a5c54e [ 432.470826][ T8516] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 432.470828][ T8516] RSP: 002b:00007ffe123bab30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 432.470832][ T8516] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f42a6a5c54e [ 432.470833][ T8516] RDX: 0000000000000000 RSI: 00007ffe123babe0 RDI: 0000000000000005 [ 432.470834][ T8516] RBP: 00007ffe123bab40 R08: 0000000000000000 R09: 0000000000000000 [ 432.470835][ T8516] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bb9 [ 432.470836][ T8516] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe123bb2b0 | [ 440.127198][ T8659] softirqs last disabled at (0): 0x0 | [ 440.127200][ T8659] Preemption disabled at: | [ 440.127201][ T8659] vprintk_emit (kernel/printk/printk.c:2471) | [ 440.127211][ T8659] Tainted: [W]=WARN [ 440.127212][ T8659] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 440.127214][ T8659] Call Trace: [ 440.127215][ T8659] [ 440.127216][ T8659] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 440.127222][ T8659] ? vprintk_emit (kernel/printk/printk.c:2471) [ 440.127223][ T8659] __might_resched.cold (kernel/sched/core.c:9234) [ 440.127227][ T8659] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 440.127231][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127233][ T8659] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 440.127236][ T8659] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 440.127239][ T8659] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 440.127244][ T8659] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 440.127246][ T8659] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 440.127249][ T8659] put_chars (drivers/char/virtio_console.c:1176) [ 440.127250][ T8659] ? __send_to_port (drivers/char/virtio_console.c:654) [ 440.127252][ T8659] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 440.127254][ T8659] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 440.127256][ T8659] ? pointer (lib/vsprintf.c:2577) [ 440.127260][ T8659] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 440.127264][ T8659] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 440.127266][ T8659] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 440.127268][ T8659] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 440.127271][ T8659] console_emit_next_record (kernel/printk/printk.c:3183) [ 440.127273][ T8659] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 440.127276][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127277][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127278][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127279][ T8659] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 440.127281][ T8659] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 440.127283][ T8659] console_flush_one_record (kernel/printk/printk.c:3268) [ 440.127285][ T8659] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 440.127288][ T8659] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 440.127290][ T8659] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 440.127292][ T8659] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 440.127293][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127294][ T8659] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 440.127296][ T8659] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 440.127298][ T8659] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 440.127299][ T8659] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 440.127301][ T8659] ? vprintk_emit (kernel/printk/printk.c:2478) [ 440.127302][ T8659] vprintk_emit (kernel/printk/printk.c:2479) [ 440.127304][ T8659] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 440.127305][ T8659] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 440.127308][ T8659] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 440.127311][ T8659] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 440.127313][ T8659] _printk (kernel/printk/printk.c:2504) [ 440.127316][ T8659] ? snapshot_read.cold (user.c:?) [ 440.127318][ T8659] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 440.127321][ T8659] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 440.127324][ T8659] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 440.127326][ T8659] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 440.127329][ T8659] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 440.127331][ T8659] ? netdev_notice (net/core/dev.c:13194) [ 440.127333][ T8659] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 440.127335][ T8659] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 440.127338][ T8659] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 440.127340][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127341][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127342][ T8659] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 440.127343][ T8659] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 440.127345][ T8659] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 440.127346][ T8659] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 440.127347][ T8659] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 440.127349][ T8659] ? register_netdev (net/core/dev.c:11618) [ 440.127350][ T8659] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 440.127352][ T8659] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 440.127355][ T8659] ? __kernel_text_address (kernel/extable.c:79) [ 440.127357][ T8659] ? write_profile (profile.c:?) [ 440.127361][ T8659] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 440.127366][ T8659] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 440.127369][ T8659] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 440.127371][ T8659] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 440.127372][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127373][ T8659] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 440.127377][ T8659] ? kasan_save_stack (mm/kasan/common.c:58) [ 440.127379][ T8659] ? kasan_save_stack (mm/kasan/common.c:57) [ 440.127380][ T8659] ? kasan_save_track (mm/kasan/common.c:78) [ 440.127381][ T8659] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 440.127382][ T8659] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 440.127384][ T8659] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 440.127385][ T8659] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 440.127386][ T8659] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 440.127389][ T8659] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 440.127391][ T8659] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 440.127393][ T8659] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 440.127395][ T8659] ? ____sys_sendmsg (net/socket.c:2713) [ 440.127397][ T8659] ? ___sys_sendmsg (net/socket.c:2767) [ 440.127398][ T8659] ? __sys_sendmsg (net/socket.c:2799) [ 440.127400][ T8659] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 440.127402][ T8659] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 440.127405][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127406][ T8659] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 440.127408][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127409][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127410][ T8659] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 440.127411][ T8659] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 440.127413][ T8659] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 440.127414][ T8659] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 440.127415][ T8659] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 440.127416][ T8659] ? nla_get_range_signed (lib/nlattr.c:270) [ 440.127420][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127421][ T8659] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 440.127423][ T8659] rtnl_newlink (net/core/rtnetlink.c:4215) [ 440.127425][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127426][ T8659] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 440.127428][ T8659] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 440.127429][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127431][ T8659] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 440.127433][ T8659] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 440.127434][ T8659] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 440.127436][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127437][ T8659] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 440.127440][ T8659] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 440.127442][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127444][ T8659] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 440.127445][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127446][ T8659] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 440.127448][ T8659] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 440.127449][ T8659] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 440.127451][ T8659] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 440.127452][ T8659] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 440.127455][ T8659] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 440.127457][ T8659] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 440.127458][ T8659] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 440.127460][ T8659] ? netlink_ack (./include/linux/skbuff.h:2718) [ 440.127461][ T8659] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 440.127464][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127465][ T8659] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 440.127467][ T8659] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 440.127470][ T8659] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 440.127472][ T8659] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 440.127474][ T8659] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 440.127476][ T8659] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 440.127477][ T8659] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 440.127479][ T8659] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 440.127481][ T8659] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 440.127484][ T8659] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 440.127486][ T8659] ____sys_sendmsg (net/socket.c:2713) [ 440.127488][ T8659] ? copy_msghdr_from_user (net/socket.c:2650) [ 440.127489][ T8659] ? sock_write_iter (net/socket.c:1269) [ 440.127491][ T8659] ? move_addr_to_kernel (net/socket.c:258) [ 440.127492][ T8659] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 440.127495][ T8659] ___sys_sendmsg (net/socket.c:2767) [ 440.127497][ T8659] ? copy_msghdr_from_user (net/socket.c:2619) [ 440.127502][ T8659] __sys_sendmsg (net/socket.c:2799) [ 440.127504][ T8659] ? __sys_sendmsg_sock (net/socket.c:2780) [ 440.127507][ T8659] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 440.127508][ T8659] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 440.127510][ T8659] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 440.127512][ T8659] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 440.127514][ T8659] RIP: 0033:0x7f612ace254e [ 440.127516][ T8659] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 440.127517][ T8659] RSP: 002b:00007ffcc6064980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 440.127521][ T8659] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f612ace254e [ 440.127522][ T8659] RDX: 0000000000000000 RSI: 00007ffcc6064a30 RDI: 0000000000000005 [ 440.127523][ T8659] RBP: 00007ffcc6064990 R08: 0000000000000000 R09: 0000000000000000 [ 440.127524][ T8659] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bc1 [ 440.127525][ T8659] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc6065100 | [ 447.924402][ T8802] softirqs last disabled at (0): 0x0 | [ 447.924405][ T8802] Preemption disabled at: | [ 447.924405][ T8802] vprintk_emit (kernel/printk/printk.c:2471) | [ 447.924418][ T8802] Tainted: [W]=WARN [ 447.924418][ T8802] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 447.924420][ T8802] Call Trace: [ 447.924422][ T8802] [ 447.924423][ T8802] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 447.924429][ T8802] ? vprintk_emit (kernel/printk/printk.c:2471) [ 447.924431][ T8802] __might_resched.cold (kernel/sched/core.c:9234) [ 447.924434][ T8802] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 447.924438][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924440][ T8802] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 447.924443][ T8802] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 447.924446][ T8802] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 447.924451][ T8802] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 447.924453][ T8802] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 447.924456][ T8802] put_chars (drivers/char/virtio_console.c:1176) [ 447.924457][ T8802] ? __send_to_port (drivers/char/virtio_console.c:654) [ 447.924458][ T8802] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 447.924461][ T8802] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 447.924463][ T8802] ? pointer (lib/vsprintf.c:2577) [ 447.924466][ T8802] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 447.924471][ T8802] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 447.924473][ T8802] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 447.924475][ T8802] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 447.924477][ T8802] console_emit_next_record (kernel/printk/printk.c:3183) [ 447.924480][ T8802] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 447.924482][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924483][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924484][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924485][ T8802] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 447.924487][ T8802] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 447.924489][ T8802] console_flush_one_record (kernel/printk/printk.c:3268) [ 447.924492][ T8802] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 447.924494][ T8802] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 447.924496][ T8802] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 447.924498][ T8802] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 447.924500][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924501][ T8802] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 447.924502][ T8802] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 447.924504][ T8802] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 447.924505][ T8802] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 447.924507][ T8802] ? vprintk_emit (kernel/printk/printk.c:2478) [ 447.924509][ T8802] vprintk_emit (kernel/printk/printk.c:2479) [ 447.924510][ T8802] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 447.924512][ T8802] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 447.924514][ T8802] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 447.924517][ T8802] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 447.924519][ T8802] _printk (kernel/printk/printk.c:2504) [ 447.924522][ T8802] ? snapshot_read.cold (user.c:?) [ 447.924524][ T8802] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 447.924527][ T8802] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 447.924530][ T8802] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 447.924532][ T8802] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 447.924535][ T8802] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 447.924537][ T8802] ? netdev_notice (net/core/dev.c:13194) [ 447.924539][ T8802] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 447.924541][ T8802] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 447.924543][ T8802] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 447.924545][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924546][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924547][ T8802] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 447.924548][ T8802] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 447.924550][ T8802] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 447.924551][ T8802] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 447.924553][ T8802] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 447.924554][ T8802] ? register_netdev (net/core/dev.c:11618) [ 447.924556][ T8802] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 447.924558][ T8802] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 447.924560][ T8802] ? __kernel_text_address (kernel/extable.c:79) [ 447.924563][ T8802] ? write_profile (profile.c:?) [ 447.924565][ T8802] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 447.924569][ T8802] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 447.924571][ T8802] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 447.924573][ T8802] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 447.924574][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924575][ T8802] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 447.924578][ T8802] ? kasan_save_stack (mm/kasan/common.c:58) [ 447.924580][ T8802] ? kasan_save_stack (mm/kasan/common.c:57) [ 447.924581][ T8802] ? kasan_save_track (mm/kasan/common.c:78) [ 447.924582][ T8802] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 447.924584][ T8802] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 447.924585][ T8802] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 447.924586][ T8802] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 447.924587][ T8802] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 447.924590][ T8802] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 447.924591][ T8802] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 447.924593][ T8802] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 447.924596][ T8802] ? ____sys_sendmsg (net/socket.c:2713) [ 447.924597][ T8802] ? ___sys_sendmsg (net/socket.c:2767) [ 447.924599][ T8802] ? __sys_sendmsg (net/socket.c:2799) [ 447.924600][ T8802] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 447.924603][ T8802] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 447.924605][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924606][ T8802] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 447.924608][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924609][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924610][ T8802] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 447.924611][ T8802] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 447.924612][ T8802] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 447.924614][ T8802] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 447.924615][ T8802] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 447.924616][ T8802] ? nla_get_range_signed (lib/nlattr.c:270) [ 447.924620][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924621][ T8802] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 447.924623][ T8802] rtnl_newlink (net/core/rtnetlink.c:4215) [ 447.924625][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924626][ T8802] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 447.924627][ T8802] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 447.924629][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924630][ T8802] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 447.924632][ T8802] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 447.924634][ T8802] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 447.924635][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924636][ T8802] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 447.924639][ T8802] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 447.924642][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924643][ T8802] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 447.924644][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924645][ T8802] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 447.924647][ T8802] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 447.924648][ T8802] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 447.924650][ T8802] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 447.924651][ T8802] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 447.924653][ T8802] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 447.924655][ T8802] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 447.924657][ T8802] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 447.924658][ T8802] ? netlink_ack (./include/linux/skbuff.h:2718) [ 447.924660][ T8802] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 447.924663][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924664][ T8802] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 447.924666][ T8802] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 447.924668][ T8802] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 447.924670][ T8802] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 447.924672][ T8802] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 447.924674][ T8802] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 447.924675][ T8802] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 447.924677][ T8802] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 447.924679][ T8802] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 447.924682][ T8802] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 447.924684][ T8802] ____sys_sendmsg (net/socket.c:2713) [ 447.924685][ T8802] ? copy_msghdr_from_user (net/socket.c:2650) [ 447.924687][ T8802] ? sock_write_iter (net/socket.c:1269) [ 447.924689][ T8802] ? move_addr_to_kernel (net/socket.c:258) [ 447.924690][ T8802] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 447.924693][ T8802] ___sys_sendmsg (net/socket.c:2767) [ 447.924695][ T8802] ? copy_msghdr_from_user (net/socket.c:2619) [ 447.924700][ T8802] __sys_sendmsg (net/socket.c:2799) [ 447.924702][ T8802] ? __sys_sendmsg_sock (net/socket.c:2780) [ 447.924704][ T8802] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 447.924706][ T8802] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 447.924708][ T8802] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 447.924709][ T8802] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 447.924711][ T8802] RIP: 0033:0x7fc15bda954e [ 447.924713][ T8802] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 447.924715][ T8802] RSP: 002b:00007ffd3dd232c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 447.924718][ T8802] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc15bda954e [ 447.924720][ T8802] RDX: 0000000000000000 RSI: 00007ffd3dd23370 RDI: 0000000000000005 [ 447.924721][ T8802] RBP: 00007ffd3dd232d0 R08: 0000000000000000 R09: 0000000000000000 [ 447.924722][ T8802] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bc9 [ 447.924722][ T8802] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3dd23a40 | [ 455.609065][ T8945] softirqs last disabled at (0): 0x0 | [ 455.609067][ T8945] Preemption disabled at: | [ 455.609068][ T8945] vprintk_emit (kernel/printk/printk.c:2471) | [ 455.609078][ T8945] Tainted: [W]=WARN [ 455.609079][ T8945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 455.609080][ T8945] Call Trace: [ 455.609082][ T8945] [ 455.609083][ T8945] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 455.609089][ T8945] ? vprintk_emit (kernel/printk/printk.c:2471) [ 455.609090][ T8945] __might_resched.cold (kernel/sched/core.c:9234) [ 455.609094][ T8945] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 455.609098][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609101][ T8945] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 455.609104][ T8945] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 455.609107][ T8945] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 455.609111][ T8945] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 455.609113][ T8945] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 455.609116][ T8945] put_chars (drivers/char/virtio_console.c:1176) [ 455.609117][ T8945] ? __send_to_port (drivers/char/virtio_console.c:654) [ 455.609118][ T8945] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 455.609121][ T8945] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 455.609123][ T8945] ? pointer (lib/vsprintf.c:2577) [ 455.609127][ T8945] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 455.609131][ T8945] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 455.609133][ T8945] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 455.609135][ T8945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 455.609137][ T8945] console_emit_next_record (kernel/printk/printk.c:3183) [ 455.609140][ T8945] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 455.609142][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609143][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609144][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609145][ T8945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 455.609147][ T8945] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 455.609149][ T8945] console_flush_one_record (kernel/printk/printk.c:3268) [ 455.609151][ T8945] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 455.609154][ T8945] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 455.609156][ T8945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 455.609157][ T8945] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 455.609159][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609160][ T8945] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 455.609162][ T8945] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 455.609163][ T8945] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 455.609165][ T8945] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 455.609167][ T8945] ? vprintk_emit (kernel/printk/printk.c:2478) [ 455.609168][ T8945] vprintk_emit (kernel/printk/printk.c:2479) [ 455.609170][ T8945] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 455.609171][ T8945] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 455.609173][ T8945] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 455.609176][ T8945] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 455.609179][ T8945] _printk (kernel/printk/printk.c:2504) [ 455.609182][ T8945] ? snapshot_read.cold (user.c:?) [ 455.609184][ T8945] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 455.609186][ T8945] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 455.609189][ T8945] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 455.609191][ T8945] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 455.609194][ T8945] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 455.609196][ T8945] ? netdev_notice (net/core/dev.c:13194) [ 455.609198][ T8945] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 455.609200][ T8945] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 455.609202][ T8945] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 455.609204][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609205][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609206][ T8945] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 455.609207][ T8945] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 455.609209][ T8945] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 455.609210][ T8945] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 455.609211][ T8945] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 455.609213][ T8945] ? register_netdev (net/core/dev.c:11618) [ 455.609214][ T8945] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 455.609216][ T8945] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 455.609219][ T8945] ? __kernel_text_address (kernel/extable.c:79) [ 455.609222][ T8945] ? write_profile (profile.c:?) [ 455.609225][ T8945] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 455.609228][ T8945] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 455.609230][ T8945] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 455.609231][ T8945] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 455.609233][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609234][ T8945] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 455.609237][ T8945] ? kasan_save_stack (mm/kasan/common.c:58) [ 455.609239][ T8945] ? kasan_save_stack (mm/kasan/common.c:57) [ 455.609240][ T8945] ? kasan_save_track (mm/kasan/common.c:78) [ 455.609241][ T8945] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 455.609242][ T8945] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 455.609243][ T8945] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 455.609244][ T8945] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 455.609245][ T8945] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 455.609248][ T8945] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 455.609250][ T8945] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 455.609251][ T8945] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 455.609254][ T8945] ? ____sys_sendmsg (net/socket.c:2713) [ 455.609255][ T8945] ? ___sys_sendmsg (net/socket.c:2767) [ 455.609257][ T8945] ? __sys_sendmsg (net/socket.c:2799) [ 455.609259][ T8945] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 455.609261][ T8945] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 455.609263][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609265][ T8945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 455.609266][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609267][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609268][ T8945] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 455.609270][ T8945] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 455.609271][ T8945] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 455.609272][ T8945] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 455.609274][ T8945] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 455.609275][ T8945] ? nla_get_range_signed (lib/nlattr.c:270) [ 455.609278][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609279][ T8945] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 455.609281][ T8945] rtnl_newlink (net/core/rtnetlink.c:4215) [ 455.609283][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609284][ T8945] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 455.609285][ T8945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 455.609287][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609288][ T8945] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 455.609290][ T8945] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 455.609292][ T8945] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 455.609293][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609294][ T8945] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 455.609298][ T8945] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 455.609300][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609301][ T8945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 455.609302][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609304][ T8945] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 455.609305][ T8945] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 455.609307][ T8945] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 455.609308][ T8945] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 455.609310][ T8945] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 455.609312][ T8945] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 455.609313][ T8945] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 455.609315][ T8945] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 455.609317][ T8945] ? netlink_ack (./include/linux/skbuff.h:2718) [ 455.609318][ T8945] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 455.609321][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609322][ T8945] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 455.609324][ T8945] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 455.609326][ T8945] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 455.609328][ T8945] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 455.609330][ T8945] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 455.609332][ T8945] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 455.609334][ T8945] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 455.609336][ T8945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 455.609337][ T8945] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 455.609340][ T8945] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 455.609342][ T8945] ____sys_sendmsg (net/socket.c:2713) [ 455.609344][ T8945] ? copy_msghdr_from_user (net/socket.c:2650) [ 455.609345][ T8945] ? sock_write_iter (net/socket.c:1269) [ 455.609347][ T8945] ? move_addr_to_kernel (net/socket.c:258) [ 455.609348][ T8945] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 455.609351][ T8945] ___sys_sendmsg (net/socket.c:2767) [ 455.609353][ T8945] ? copy_msghdr_from_user (net/socket.c:2619) [ 455.609358][ T8945] __sys_sendmsg (net/socket.c:2799) [ 455.609359][ T8945] ? __sys_sendmsg_sock (net/socket.c:2780) [ 455.609364][ T8945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 455.609366][ T8945] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 455.609369][ T8945] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 455.609371][ T8945] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 455.609372][ T8945] RIP: 0033:0x7fd6e5c8f54e [ 455.609374][ T8945] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 455.609376][ T8945] RSP: 002b:00007ffd341d2840 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 455.609380][ T8945] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd6e5c8f54e [ 455.609381][ T8945] RDX: 0000000000000000 RSI: 00007ffd341d28f0 RDI: 0000000000000005 [ 455.609382][ T8945] RBP: 00007ffd341d2850 R08: 0000000000000000 R09: 0000000000000000 [ 455.609383][ T8945] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bd0 [ 455.609384][ T8945] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd341d2fc0 | [ 463.289209][ T9088] softirqs last disabled at (0): 0x0 | [ 463.289211][ T9088] Preemption disabled at: | [ 463.289211][ T9088] vprintk_emit (kernel/printk/printk.c:2471) | [ 463.289222][ T9088] Tainted: [W]=WARN [ 463.289222][ T9088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 463.289224][ T9088] Call Trace: [ 463.289226][ T9088] [ 463.289227][ T9088] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 463.289233][ T9088] ? vprintk_emit (kernel/printk/printk.c:2471) [ 463.289234][ T9088] __might_resched.cold (kernel/sched/core.c:9234) [ 463.289238][ T9088] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 463.289241][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289244][ T9088] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 463.289247][ T9088] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 463.289250][ T9088] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 463.289255][ T9088] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 463.289257][ T9088] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 463.289260][ T9088] put_chars (drivers/char/virtio_console.c:1176) [ 463.289261][ T9088] ? __send_to_port (drivers/char/virtio_console.c:654) [ 463.289263][ T9088] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 463.289265][ T9088] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 463.289267][ T9088] ? pointer (lib/vsprintf.c:2577) [ 463.289271][ T9088] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 463.289276][ T9088] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 463.289278][ T9088] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 463.289280][ T9088] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 463.289282][ T9088] console_emit_next_record (kernel/printk/printk.c:3183) [ 463.289285][ T9088] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 463.289287][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289288][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289289][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289290][ T9088] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 463.289292][ T9088] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 463.289294][ T9088] console_flush_one_record (kernel/printk/printk.c:3268) [ 463.289297][ T9088] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 463.289300][ T9088] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 463.289302][ T9088] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 463.289303][ T9088] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 463.289305][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289306][ T9088] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 463.289308][ T9088] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 463.289309][ T9088] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 463.289311][ T9088] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 463.289313][ T9088] ? vprintk_emit (kernel/printk/printk.c:2478) [ 463.289314][ T9088] vprintk_emit (kernel/printk/printk.c:2479) [ 463.289316][ T9088] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 463.289318][ T9088] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 463.289320][ T9088] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 463.289324][ T9088] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 463.289326][ T9088] _printk (kernel/printk/printk.c:2504) [ 463.289330][ T9088] ? snapshot_read.cold (user.c:?) [ 463.289332][ T9088] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 463.289334][ T9088] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 463.289337][ T9088] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 463.289339][ T9088] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 463.289343][ T9088] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 463.289345][ T9088] ? netdev_notice (net/core/dev.c:13194) [ 463.289347][ T9088] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 463.289349][ T9088] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 463.289351][ T9088] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 463.289353][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289354][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289355][ T9088] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 463.289356][ T9088] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 463.289358][ T9088] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 463.289359][ T9088] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 463.289361][ T9088] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 463.289363][ T9088] ? register_netdev (net/core/dev.c:11618) [ 463.289366][ T9088] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 463.289369][ T9088] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 463.289372][ T9088] ? __kernel_text_address (kernel/extable.c:79) [ 463.289376][ T9088] ? write_profile (profile.c:?) [ 463.289379][ T9088] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 463.289384][ T9088] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 463.289387][ T9088] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 463.289390][ T9088] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 463.289391][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289392][ T9088] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 463.289396][ T9088] ? kasan_save_stack (mm/kasan/common.c:58) [ 463.289398][ T9088] ? kasan_save_stack (mm/kasan/common.c:57) [ 463.289399][ T9088] ? kasan_save_track (mm/kasan/common.c:78) [ 463.289400][ T9088] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 463.289401][ T9088] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 463.289402][ T9088] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 463.289403][ T9088] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 463.289404][ T9088] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 463.289408][ T9088] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 463.289409][ T9088] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 463.289411][ T9088] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 463.289414][ T9088] ? ____sys_sendmsg (net/socket.c:2713) [ 463.289415][ T9088] ? ___sys_sendmsg (net/socket.c:2767) [ 463.289417][ T9088] ? __sys_sendmsg (net/socket.c:2799) [ 463.289419][ T9088] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 463.289421][ T9088] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 463.289423][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289425][ T9088] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 463.289426][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289427][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289428][ T9088] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 463.289430][ T9088] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 463.289431][ T9088] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 463.289432][ T9088] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 463.289434][ T9088] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 463.289435][ T9088] ? nla_get_range_signed (lib/nlattr.c:270) [ 463.289438][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289440][ T9088] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 463.289442][ T9088] rtnl_newlink (net/core/rtnetlink.c:4215) [ 463.289444][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289445][ T9088] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 463.289446][ T9088] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 463.289448][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289449][ T9088] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 463.289452][ T9088] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 463.289453][ T9088] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 463.289455][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289456][ T9088] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 463.289459][ T9088] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 463.289462][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289463][ T9088] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 463.289464][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289465][ T9088] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 463.289467][ T9088] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 463.289468][ T9088] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 463.289470][ T9088] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 463.289472][ T9088] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 463.289474][ T9088] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 463.289476][ T9088] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 463.289477][ T9088] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 463.289479][ T9088] ? netlink_ack (./include/linux/skbuff.h:2718) [ 463.289481][ T9088] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 463.289484][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289485][ T9088] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 463.289487][ T9088] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 463.289489][ T9088] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 463.289491][ T9088] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 463.289493][ T9088] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 463.289495][ T9088] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 463.289497][ T9088] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 463.289499][ T9088] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 463.289500][ T9088] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 463.289504][ T9088] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 463.289506][ T9088] ____sys_sendmsg (net/socket.c:2713) [ 463.289507][ T9088] ? copy_msghdr_from_user (net/socket.c:2650) [ 463.289509][ T9088] ? sock_write_iter (net/socket.c:1269) [ 463.289511][ T9088] ? move_addr_to_kernel (net/socket.c:258) [ 463.289512][ T9088] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 463.289515][ T9088] ___sys_sendmsg (net/socket.c:2767) [ 463.289517][ T9088] ? copy_msghdr_from_user (net/socket.c:2619) [ 463.289522][ T9088] __sys_sendmsg (net/socket.c:2799) [ 463.289524][ T9088] ? __sys_sendmsg_sock (net/socket.c:2780) [ 463.289527][ T9088] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 463.289528][ T9088] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 463.289530][ T9088] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 463.289532][ T9088] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 463.289534][ T9088] RIP: 0033:0x7f652634354e [ 463.289536][ T9088] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 463.289537][ T9088] RSP: 002b:00007fffed4a0670 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 463.289541][ T9088] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f652634354e [ 463.289543][ T9088] RDX: 0000000000000000 RSI: 00007fffed4a0720 RDI: 0000000000000005 [ 463.289544][ T9088] RBP: 00007fffed4a0680 R08: 0000000000000000 R09: 0000000000000000 [ 463.289544][ T9088] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bd8 [ 463.289545][ T9088] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffed4a0df0 | [ 470.805097][ T9231] softirqs last disabled at (0): 0x0 | [ 470.805099][ T9231] Preemption disabled at: | [ 470.805100][ T9231] vprintk_emit (kernel/printk/printk.c:2471) | [ 470.805110][ T9231] Tainted: [W]=WARN [ 470.805111][ T9231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 470.805112][ T9231] Call Trace: [ 470.805114][ T9231] [ 470.805115][ T9231] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 470.805121][ T9231] ? vprintk_emit (kernel/printk/printk.c:2471) [ 470.805122][ T9231] __might_resched.cold (kernel/sched/core.c:9234) [ 470.805126][ T9231] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 470.805129][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805132][ T9231] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 470.805135][ T9231] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 470.805138][ T9231] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 470.805142][ T9231] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 470.805144][ T9231] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 470.805147][ T9231] put_chars (drivers/char/virtio_console.c:1176) [ 470.805149][ T9231] ? __send_to_port (drivers/char/virtio_console.c:654) [ 470.805150][ T9231] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 470.805152][ T9231] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 470.805154][ T9231] ? pointer (lib/vsprintf.c:2577) [ 470.805158][ T9231] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 470.805162][ T9231] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 470.805164][ T9231] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 470.805166][ T9231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.805169][ T9231] console_emit_next_record (kernel/printk/printk.c:3183) [ 470.805171][ T9231] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 470.805173][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805174][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805175][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805176][ T9231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.805178][ T9231] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 470.805180][ T9231] console_flush_one_record (kernel/printk/printk.c:3268) [ 470.805183][ T9231] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 470.805185][ T9231] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 470.805187][ T9231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.805189][ T9231] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 470.805190][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805191][ T9231] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 470.805193][ T9231] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 470.805194][ T9231] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 470.805196][ T9231] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 470.805198][ T9231] ? vprintk_emit (kernel/printk/printk.c:2478) [ 470.805200][ T9231] vprintk_emit (kernel/printk/printk.c:2479) [ 470.805202][ T9231] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 470.805203][ T9231] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 470.805205][ T9231] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 470.805208][ T9231] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 470.805210][ T9231] _printk (kernel/printk/printk.c:2504) [ 470.805213][ T9231] ? snapshot_read.cold (user.c:?) [ 470.805215][ T9231] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 470.805218][ T9231] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 470.805221][ T9231] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 470.805223][ T9231] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 470.805226][ T9231] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 470.805228][ T9231] ? netdev_notice (net/core/dev.c:13194) [ 470.805230][ T9231] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 470.805232][ T9231] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 470.805235][ T9231] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 470.805236][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805237][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805238][ T9231] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 470.805240][ T9231] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 470.805241][ T9231] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 470.805242][ T9231] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 470.805244][ T9231] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 470.805245][ T9231] ? register_netdev (net/core/dev.c:11618) [ 470.805247][ T9231] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 470.805249][ T9231] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 470.805251][ T9231] ? __kernel_text_address (kernel/extable.c:79) [ 470.805254][ T9231] ? write_profile (profile.c:?) [ 470.805257][ T9231] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 470.805261][ T9231] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 470.805262][ T9231] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 470.805264][ T9231] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 470.805265][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805266][ T9231] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 470.805269][ T9231] ? kasan_save_stack (mm/kasan/common.c:58) [ 470.805271][ T9231] ? kasan_save_stack (mm/kasan/common.c:57) [ 470.805272][ T9231] ? kasan_save_track (mm/kasan/common.c:78) [ 470.805273][ T9231] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 470.805274][ T9231] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 470.805275][ T9231] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 470.805277][ T9231] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 470.805278][ T9231] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 470.805281][ T9231] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 470.805282][ T9231] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 470.805284][ T9231] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 470.805287][ T9231] ? ____sys_sendmsg (net/socket.c:2713) [ 470.805288][ T9231] ? ___sys_sendmsg (net/socket.c:2767) [ 470.805290][ T9231] ? __sys_sendmsg (net/socket.c:2799) [ 470.805292][ T9231] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 470.805294][ T9231] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 470.805296][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805297][ T9231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.805299][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805300][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805301][ T9231] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 470.805302][ T9231] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 470.805304][ T9231] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 470.805305][ T9231] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 470.805306][ T9231] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 470.805307][ T9231] ? nla_get_range_signed (lib/nlattr.c:270) [ 470.805311][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805312][ T9231] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 470.805314][ T9231] rtnl_newlink (net/core/rtnetlink.c:4215) [ 470.805316][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805317][ T9231] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 470.805319][ T9231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.805320][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805322][ T9231] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 470.805324][ T9231] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 470.805325][ T9231] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 470.805327][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805328][ T9231] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 470.805331][ T9231] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 470.805333][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805334][ T9231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.805336][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805337][ T9231] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 470.805338][ T9231] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 470.805340][ T9231] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 470.805341][ T9231] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 470.805343][ T9231] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 470.805345][ T9231] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 470.805347][ T9231] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 470.805348][ T9231] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 470.805350][ T9231] ? netlink_ack (./include/linux/skbuff.h:2718) [ 470.805351][ T9231] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 470.805354][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805355][ T9231] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 470.805357][ T9231] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 470.805359][ T9231] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 470.805362][ T9231] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 470.805365][ T9231] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 470.805369][ T9231] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 470.805371][ T9231] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 470.805373][ T9231] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 470.805375][ T9231] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 470.805378][ T9231] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 470.805380][ T9231] ____sys_sendmsg (net/socket.c:2713) [ 470.805382][ T9231] ? copy_msghdr_from_user (net/socket.c:2650) [ 470.805383][ T9231] ? sock_write_iter (net/socket.c:1269) [ 470.805385][ T9231] ? move_addr_to_kernel (net/socket.c:258) [ 470.805386][ T9231] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 470.805389][ T9231] ___sys_sendmsg (net/socket.c:2767) [ 470.805391][ T9231] ? copy_msghdr_from_user (net/socket.c:2619) [ 470.805396][ T9231] __sys_sendmsg (net/socket.c:2799) [ 470.805398][ T9231] ? __sys_sendmsg_sock (net/socket.c:2780) [ 470.805401][ T9231] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 470.805402][ T9231] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 470.805404][ T9231] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 470.805406][ T9231] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 470.805407][ T9231] RIP: 0033:0x7fb8b213b54e [ 470.805409][ T9231] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 470.805411][ T9231] RSP: 002b:00007ffd51b25640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 470.805414][ T9231] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb8b213b54e [ 470.805416][ T9231] RDX: 0000000000000000 RSI: 00007ffd51b256f0 RDI: 0000000000000005 [ 470.805417][ T9231] RBP: 00007ffd51b25650 R08: 0000000000000000 R09: 0000000000000000 [ 470.805417][ T9231] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917be0 [ 470.805418][ T9231] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd51b25dc0 | [ 479.239701][ T9374] softirqs last disabled at (0): 0x0 | [ 479.239704][ T9374] Preemption disabled at: | [ 479.239705][ T9374] vprintk_emit (kernel/printk/printk.c:2471) | [ 479.239718][ T9374] Tainted: [W]=WARN [ 479.239720][ T9374] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 479.239723][ T9374] Call Trace: [ 479.239724][ T9374] [ 479.239726][ T9374] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 479.239733][ T9374] ? vprintk_emit (kernel/printk/printk.c:2471) [ 479.239736][ T9374] __might_resched.cold (kernel/sched/core.c:9234) [ 479.239741][ T9374] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 479.239746][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.239749][ T9374] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 479.239753][ T9374] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 479.239758][ T9374] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 479.239764][ T9374] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 479.239767][ T9374] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 479.239771][ T9374] put_chars (drivers/char/virtio_console.c:1176) [ 479.239773][ T9374] ? __send_to_port (drivers/char/virtio_console.c:654) [ 479.239776][ T9374] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 479.239779][ T9374] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 479.239783][ T9374] ? pointer (lib/vsprintf.c:2577) [ 479.239788][ T9374] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 479.239794][ T9374] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 479.239797][ T9374] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 479.239800][ T9374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.239804][ T9374] console_emit_next_record (kernel/printk/printk.c:3183) [ 479.239808][ T9374] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 479.239811][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.239813][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.239815][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.239817][ T9374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.239821][ T9374] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 479.239824][ T9374] console_flush_one_record (kernel/printk/printk.c:3268) [ 479.239828][ T9374] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 479.239832][ T9374] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 479.239835][ T9374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.239838][ T9374] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 479.239841][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.239843][ T9374] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 479.239845][ T9374] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 479.239848][ T9374] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 479.239851][ T9374] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 479.239854][ T9374] ? vprintk_emit (kernel/printk/printk.c:2478) [ 479.239856][ T9374] vprintk_emit (kernel/printk/printk.c:2479) [ 479.239859][ T9374] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 479.239861][ T9374] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 479.239865][ T9374] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 479.239869][ T9374] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 479.239873][ T9374] _printk (kernel/printk/printk.c:2504) [ 479.239877][ T9374] ? snapshot_read.cold (user.c:?) [ 479.239881][ T9374] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 479.239884][ T9374] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 479.239888][ T9374] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 479.239892][ T9374] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 479.239896][ T9374] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 479.239900][ T9374] ? netdev_notice (net/core/dev.c:13194) [ 479.239903][ T9374] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 479.239906][ T9374] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 479.239909][ T9374] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 479.239912][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.239914][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.239916][ T9374] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 479.239919][ T9374] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 479.239921][ T9374] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 479.239924][ T9374] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 479.239926][ T9374] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 479.239929][ T9374] ? register_netdev (net/core/dev.c:11618) [ 479.239931][ T9374] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 479.239935][ T9374] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 479.239939][ T9374] ? __kernel_text_address (kernel/extable.c:79) [ 479.239942][ T9374] ? write_profile (profile.c:?) [ 479.239947][ T9374] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 479.239952][ T9374] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 479.239955][ T9374] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 479.239958][ T9374] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 479.239960][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.239962][ T9374] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 479.239967][ T9374] ? kasan_save_stack (mm/kasan/common.c:58) [ 479.239970][ T9374] ? kasan_save_stack (mm/kasan/common.c:57) [ 479.239972][ T9374] ? kasan_save_track (mm/kasan/common.c:78) [ 479.239974][ T9374] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 479.239976][ T9374] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 479.239978][ T9374] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 479.239980][ T9374] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 479.239982][ T9374] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 479.239986][ T9374] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 479.239989][ T9374] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 479.239992][ T9374] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 479.239999][ T9374] ? ____sys_sendmsg (net/socket.c:2713) [ 479.240001][ T9374] ? ___sys_sendmsg (net/socket.c:2767) [ 479.240004][ T9374] ? __sys_sendmsg (net/socket.c:2799) [ 479.240007][ T9374] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 479.240010][ T9374] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 479.240014][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.240016][ T9374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.240019][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.240021][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.240023][ T9374] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 479.240026][ T9374] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 479.240028][ T9374] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 479.240030][ T9374] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 479.240038][ T9374] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 479.240040][ T9374] ? nla_get_range_signed (lib/nlattr.c:270) [ 479.240045][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.240048][ T9374] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 479.240052][ T9374] rtnl_newlink (net/core/rtnetlink.c:4215) [ 479.240055][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.240057][ T9374] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 479.240059][ T9374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.240062][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.240065][ T9374] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 479.240068][ T9374] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 479.240070][ T9374] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 479.240073][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.240075][ T9374] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 479.240080][ T9374] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 479.240083][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.240085][ T9374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.240088][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.240091][ T9374] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 479.240094][ T9374] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 479.240097][ T9374] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 479.240099][ T9374] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 479.240102][ T9374] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 479.240106][ T9374] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 479.240109][ T9374] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 479.240111][ T9374] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 479.240114][ T9374] ? netlink_ack (./include/linux/skbuff.h:2718) [ 479.240117][ T9374] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 479.240122][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.240124][ T9374] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 479.240127][ T9374] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 479.240131][ T9374] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 479.240134][ T9374] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 479.240137][ T9374] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 479.240141][ T9374] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 479.240144][ T9374] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 479.240147][ T9374] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 479.240149][ T9374] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 479.240154][ T9374] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 479.240157][ T9374] ____sys_sendmsg (net/socket.c:2713) [ 479.240160][ T9374] ? copy_msghdr_from_user (net/socket.c:2650) [ 479.240163][ T9374] ? sock_write_iter (net/socket.c:1269) [ 479.240165][ T9374] ? move_addr_to_kernel (net/socket.c:258) [ 479.240168][ T9374] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 479.240172][ T9374] ___sys_sendmsg (net/socket.c:2767) [ 479.240176][ T9374] ? copy_msghdr_from_user (net/socket.c:2619) [ 479.240184][ T9374] __sys_sendmsg (net/socket.c:2799) [ 479.240188][ T9374] ? __sys_sendmsg_sock (net/socket.c:2780) [ 479.240192][ T9374] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 479.240195][ T9374] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 479.240198][ T9374] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 479.240201][ T9374] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 479.240204][ T9374] RIP: 0033:0x7fad1551354e [ 479.240206][ T9374] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 479.240209][ T9374] RSP: 002b:00007fffdfba39c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 479.240214][ T9374] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fad1551354e [ 479.240216][ T9374] RDX: 0000000000000000 RSI: 00007fffdfba3a70 RDI: 0000000000000005 [ 479.240218][ T9374] RBP: 00007fffdfba39d0 R08: 0000000000000000 R09: 0000000000000000 [ 479.240219][ T9374] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917be8 [ 479.240221][ T9374] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdfba4140 | [ 487.077066][ T9517] softirqs last disabled at (0): 0x0 | [ 487.077068][ T9517] Preemption disabled at: | [ 487.077068][ T9517] vprintk_emit (kernel/printk/printk.c:2471) | [ 487.077078][ T9517] Tainted: [W]=WARN [ 487.077079][ T9517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 487.077088][ T9517] Call Trace: [ 487.077089][ T9517] [ 487.077091][ T9517] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 487.077097][ T9517] ? vprintk_emit (kernel/printk/printk.c:2471) [ 487.077098][ T9517] __might_resched.cold (kernel/sched/core.c:9234) [ 487.077102][ T9517] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 487.077105][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077108][ T9517] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 487.077111][ T9517] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 487.077114][ T9517] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 487.077119][ T9517] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 487.077121][ T9517] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 487.077124][ T9517] put_chars (drivers/char/virtio_console.c:1176) [ 487.077125][ T9517] ? __send_to_port (drivers/char/virtio_console.c:654) [ 487.077127][ T9517] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 487.077129][ T9517] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 487.077131][ T9517] ? pointer (lib/vsprintf.c:2577) [ 487.077135][ T9517] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 487.077140][ T9517] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 487.077142][ T9517] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 487.077143][ T9517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 487.077146][ T9517] console_emit_next_record (kernel/printk/printk.c:3183) [ 487.077149][ T9517] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 487.077151][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077152][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077153][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077154][ T9517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 487.077156][ T9517] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 487.077158][ T9517] console_flush_one_record (kernel/printk/printk.c:3268) [ 487.077160][ T9517] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 487.077163][ T9517] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 487.077165][ T9517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 487.077166][ T9517] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 487.077168][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077169][ T9517] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 487.077170][ T9517] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 487.077172][ T9517] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 487.077173][ T9517] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 487.077175][ T9517] ? vprintk_emit (kernel/printk/printk.c:2478) [ 487.077177][ T9517] vprintk_emit (kernel/printk/printk.c:2479) [ 487.077179][ T9517] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 487.077180][ T9517] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 487.077182][ T9517] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 487.077185][ T9517] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 487.077188][ T9517] _printk (kernel/printk/printk.c:2504) [ 487.077191][ T9517] ? snapshot_read.cold (user.c:?) [ 487.077193][ T9517] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 487.077195][ T9517] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 487.077198][ T9517] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 487.077200][ T9517] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 487.077203][ T9517] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 487.077205][ T9517] ? netdev_notice (net/core/dev.c:13194) [ 487.077208][ T9517] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 487.077209][ T9517] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 487.077212][ T9517] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 487.077213][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077214][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077215][ T9517] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 487.077217][ T9517] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 487.077218][ T9517] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 487.077220][ T9517] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 487.077221][ T9517] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 487.077223][ T9517] ? register_netdev (net/core/dev.c:11618) [ 487.077224][ T9517] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 487.077226][ T9517] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 487.077229][ T9517] ? __kernel_text_address (kernel/extable.c:79) [ 487.077231][ T9517] ? write_profile (profile.c:?) [ 487.077234][ T9517] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 487.077238][ T9517] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 487.077239][ T9517] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 487.077241][ T9517] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 487.077242][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077243][ T9517] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 487.077247][ T9517] ? kasan_save_stack (mm/kasan/common.c:58) [ 487.077249][ T9517] ? kasan_save_stack (mm/kasan/common.c:57) [ 487.077250][ T9517] ? kasan_save_track (mm/kasan/common.c:78) [ 487.077251][ T9517] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 487.077252][ T9517] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 487.077253][ T9517] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 487.077254][ T9517] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 487.077255][ T9517] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 487.077258][ T9517] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 487.077260][ T9517] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 487.077261][ T9517] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 487.077264][ T9517] ? ____sys_sendmsg (net/socket.c:2713) [ 487.077265][ T9517] ? ___sys_sendmsg (net/socket.c:2767) [ 487.077267][ T9517] ? __sys_sendmsg (net/socket.c:2799) [ 487.077268][ T9517] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 487.077271][ T9517] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 487.077273][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077274][ T9517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 487.077276][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077276][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077278][ T9517] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 487.077279][ T9517] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 487.077280][ T9517] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 487.077282][ T9517] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 487.077283][ T9517] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 487.077284][ T9517] ? nla_get_range_signed (lib/nlattr.c:270) [ 487.077288][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077289][ T9517] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 487.077291][ T9517] rtnl_newlink (net/core/rtnetlink.c:4215) [ 487.077293][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077294][ T9517] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 487.077295][ T9517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 487.077297][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077298][ T9517] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 487.077300][ T9517] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 487.077302][ T9517] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 487.077303][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077304][ T9517] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 487.077308][ T9517] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 487.077310][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077311][ T9517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 487.077313][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077314][ T9517] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 487.077316][ T9517] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 487.077317][ T9517] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 487.077318][ T9517] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 487.077320][ T9517] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 487.077322][ T9517] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 487.077324][ T9517] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 487.077325][ T9517] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 487.077327][ T9517] ? netlink_ack (./include/linux/skbuff.h:2718) [ 487.077329][ T9517] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 487.077332][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077333][ T9517] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 487.077335][ T9517] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 487.077337][ T9517] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 487.077339][ T9517] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 487.077341][ T9517] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 487.077343][ T9517] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 487.077344][ T9517] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 487.077346][ T9517] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 487.077348][ T9517] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 487.077351][ T9517] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 487.077353][ T9517] ____sys_sendmsg (net/socket.c:2713) [ 487.077354][ T9517] ? copy_msghdr_from_user (net/socket.c:2650) [ 487.077356][ T9517] ? sock_write_iter (net/socket.c:1269) [ 487.077357][ T9517] ? move_addr_to_kernel (net/socket.c:258) [ 487.077359][ T9517] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 487.077362][ T9517] ___sys_sendmsg (net/socket.c:2767) [ 487.077365][ T9517] ? copy_msghdr_from_user (net/socket.c:2619) [ 487.077372][ T9517] __sys_sendmsg (net/socket.c:2799) [ 487.077374][ T9517] ? __sys_sendmsg_sock (net/socket.c:2780) [ 487.077377][ T9517] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 487.077378][ T9517] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 487.077380][ T9517] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 487.077382][ T9517] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 487.077383][ T9517] RIP: 0033:0x7f4a50e9554e [ 487.077385][ T9517] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 487.077387][ T9517] RSP: 002b:00007ffe0ebba630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 487.077391][ T9517] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4a50e9554e [ 487.077392][ T9517] RDX: 0000000000000000 RSI: 00007ffe0ebba6e0 RDI: 0000000000000005 [ 487.077393][ T9517] RBP: 00007ffe0ebba640 R08: 0000000000000000 R09: 0000000000000000 [ 487.077394][ T9517] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bf0 [ 487.077395][ T9517] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0ebbadb0 | [ 494.612439][ T9660] softirqs last disabled at (0): 0x0 | [ 494.612440][ T9660] Preemption disabled at: | [ 494.612441][ T9660] vprintk_emit (kernel/printk/printk.c:2471) | [ 494.612451][ T9660] Tainted: [W]=WARN [ 494.612452][ T9660] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 494.612454][ T9660] Call Trace: [ 494.612455][ T9660] [ 494.612456][ T9660] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 494.612462][ T9660] ? vprintk_emit (kernel/printk/printk.c:2471) [ 494.612463][ T9660] __might_resched.cold (kernel/sched/core.c:9234) [ 494.612467][ T9660] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 494.612470][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612473][ T9660] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 494.612476][ T9660] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 494.612479][ T9660] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 494.612484][ T9660] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 494.612486][ T9660] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 494.612488][ T9660] put_chars (drivers/char/virtio_console.c:1176) [ 494.612490][ T9660] ? __send_to_port (drivers/char/virtio_console.c:654) [ 494.612491][ T9660] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 494.612493][ T9660] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 494.612495][ T9660] ? pointer (lib/vsprintf.c:2577) [ 494.612499][ T9660] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 494.612504][ T9660] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 494.612505][ T9660] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 494.612507][ T9660] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 494.612510][ T9660] console_emit_next_record (kernel/printk/printk.c:3183) [ 494.612512][ T9660] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 494.612514][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612516][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612517][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612518][ T9660] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 494.612520][ T9660] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 494.612521][ T9660] console_flush_one_record (kernel/printk/printk.c:3268) [ 494.612524][ T9660] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 494.612526][ T9660] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 494.612528][ T9660] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 494.612530][ T9660] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 494.612532][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612533][ T9660] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 494.612534][ T9660] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 494.612536][ T9660] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 494.612537][ T9660] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 494.612539][ T9660] ? vprintk_emit (kernel/printk/printk.c:2478) [ 494.612541][ T9660] vprintk_emit (kernel/printk/printk.c:2479) [ 494.612542][ T9660] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 494.612543][ T9660] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 494.612546][ T9660] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 494.612549][ T9660] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 494.612551][ T9660] _printk (kernel/printk/printk.c:2504) [ 494.612554][ T9660] ? snapshot_read.cold (user.c:?) [ 494.612556][ T9660] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 494.612558][ T9660] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 494.612562][ T9660] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 494.612563][ T9660] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 494.612567][ T9660] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 494.612569][ T9660] ? netdev_notice (net/core/dev.c:13194) [ 494.612571][ T9660] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 494.612573][ T9660] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 494.612575][ T9660] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 494.612577][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612578][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612579][ T9660] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 494.612580][ T9660] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 494.612582][ T9660] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 494.612583][ T9660] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 494.612584][ T9660] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 494.612586][ T9660] ? register_netdev (net/core/dev.c:11618) [ 494.612588][ T9660] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 494.612590][ T9660] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 494.612592][ T9660] ? __kernel_text_address (kernel/extable.c:79) [ 494.612595][ T9660] ? write_profile (profile.c:?) [ 494.612598][ T9660] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 494.612602][ T9660] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 494.612604][ T9660] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 494.612605][ T9660] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 494.612606][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612608][ T9660] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 494.612611][ T9660] ? kasan_save_stack (mm/kasan/common.c:58) [ 494.612613][ T9660] ? kasan_save_stack (mm/kasan/common.c:57) [ 494.612614][ T9660] ? kasan_save_track (mm/kasan/common.c:78) [ 494.612615][ T9660] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 494.612616][ T9660] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 494.612617][ T9660] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 494.612618][ T9660] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 494.612619][ T9660] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 494.612622][ T9660] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 494.612624][ T9660] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 494.612625][ T9660] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 494.612628][ T9660] ? ____sys_sendmsg (net/socket.c:2713) [ 494.612629][ T9660] ? ___sys_sendmsg (net/socket.c:2767) [ 494.612631][ T9660] ? __sys_sendmsg (net/socket.c:2799) [ 494.612633][ T9660] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 494.612635][ T9660] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 494.612637][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612638][ T9660] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 494.612640][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612641][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612642][ T9660] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 494.612643][ T9660] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 494.612645][ T9660] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 494.612646][ T9660] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 494.612647][ T9660] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 494.612648][ T9660] ? nla_get_range_signed (lib/nlattr.c:270) [ 494.612651][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612653][ T9660] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 494.612655][ T9660] rtnl_newlink (net/core/rtnetlink.c:4215) [ 494.612657][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612658][ T9660] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 494.612659][ T9660] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 494.612660][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612662][ T9660] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 494.612664][ T9660] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 494.612665][ T9660] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 494.612667][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612668][ T9660] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 494.612671][ T9660] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 494.612674][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612675][ T9660] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 494.612676][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612677][ T9660] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 494.612679][ T9660] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 494.612680][ T9660] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 494.612682][ T9660] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 494.612683][ T9660] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 494.612686][ T9660] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 494.612687][ T9660] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 494.612689][ T9660] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 494.612690][ T9660] ? netlink_ack (./include/linux/skbuff.h:2718) [ 494.612692][ T9660] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 494.612695][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612696][ T9660] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 494.612698][ T9660] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 494.612700][ T9660] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 494.612702][ T9660] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 494.612704][ T9660] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 494.612706][ T9660] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 494.612708][ T9660] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 494.612709][ T9660] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 494.612711][ T9660] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 494.612714][ T9660] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 494.612716][ T9660] ____sys_sendmsg (net/socket.c:2713) [ 494.612717][ T9660] ? copy_msghdr_from_user (net/socket.c:2650) [ 494.612719][ T9660] ? sock_write_iter (net/socket.c:1269) [ 494.612721][ T9660] ? move_addr_to_kernel (net/socket.c:258) [ 494.612722][ T9660] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 494.612725][ T9660] ___sys_sendmsg (net/socket.c:2767) [ 494.612726][ T9660] ? copy_msghdr_from_user (net/socket.c:2619) [ 494.612731][ T9660] __sys_sendmsg (net/socket.c:2799) [ 494.612733][ T9660] ? __sys_sendmsg_sock (net/socket.c:2780) [ 494.612736][ T9660] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 494.612738][ T9660] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 494.612739][ T9660] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 494.612741][ T9660] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 494.612743][ T9660] RIP: 0033:0x7f6f4425354e [ 494.612744][ T9660] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 494.612746][ T9660] RSP: 002b:00007ffe1eeb5940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 494.612750][ T9660] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6f4425354e [ 494.612752][ T9660] RDX: 0000000000000000 RSI: 00007ffe1eeb59f0 RDI: 0000000000000005 [ 494.612752][ T9660] RBP: 00007ffe1eeb5950 R08: 0000000000000000 R09: 0000000000000000 [ 494.612753][ T9660] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bf7 [ 494.612754][ T9660] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1eeb60c0 | [ 502.178102][ T9803] softirqs last disabled at (0): 0x0 | [ 502.178104][ T9803] Preemption disabled at: | [ 502.178105][ T9803] vprintk_emit (kernel/printk/printk.c:2471) | [ 502.178115][ T9803] Tainted: [W]=WARN [ 502.178116][ T9803] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 502.178117][ T9803] Call Trace: [ 502.178119][ T9803] [ 502.178120][ T9803] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 502.178126][ T9803] ? vprintk_emit (kernel/printk/printk.c:2471) [ 502.178127][ T9803] __might_resched.cold (kernel/sched/core.c:9234) [ 502.178131][ T9803] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 502.178134][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178136][ T9803] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 502.178139][ T9803] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 502.178143][ T9803] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 502.178147][ T9803] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 502.178149][ T9803] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 502.178152][ T9803] put_chars (drivers/char/virtio_console.c:1176) [ 502.178154][ T9803] ? __send_to_port (drivers/char/virtio_console.c:654) [ 502.178155][ T9803] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 502.178157][ T9803] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 502.178159][ T9803] ? pointer (lib/vsprintf.c:2577) [ 502.178163][ T9803] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 502.178168][ T9803] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 502.178169][ T9803] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 502.178177][ T9803] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.178180][ T9803] console_emit_next_record (kernel/printk/printk.c:3183) [ 502.178183][ T9803] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 502.178185][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178186][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178187][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178188][ T9803] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.178190][ T9803] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 502.178192][ T9803] console_flush_one_record (kernel/printk/printk.c:3268) [ 502.178194][ T9803] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 502.178197][ T9803] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 502.178199][ T9803] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.178200][ T9803] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 502.178202][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178203][ T9803] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 502.178205][ T9803] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 502.178206][ T9803] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 502.178208][ T9803] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 502.178210][ T9803] ? vprintk_emit (kernel/printk/printk.c:2478) [ 502.178211][ T9803] vprintk_emit (kernel/printk/printk.c:2479) [ 502.178213][ T9803] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 502.178214][ T9803] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 502.178217][ T9803] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 502.178219][ T9803] _printk (kernel/printk/printk.c:2504) [ 502.178222][ T9803] ? snapshot_read.cold (user.c:?) [ 502.178224][ T9803] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 502.178226][ T9803] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 502.178230][ T9803] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 502.178232][ T9803] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 502.178235][ T9803] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 502.178237][ T9803] ? netdev_notice (net/core/dev.c:13194) [ 502.178239][ T9803] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 502.178241][ T9803] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 502.178244][ T9803] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 502.178245][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178246][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178247][ T9803] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 502.178250][ T9803] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 502.178252][ T9803] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 502.178253][ T9803] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 502.178254][ T9803] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 502.178256][ T9803] ? register_netdev (net/core/dev.c:11618) [ 502.178257][ T9803] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 502.178259][ T9803] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 502.178262][ T9803] ? __kernel_text_address (kernel/extable.c:79) [ 502.178264][ T9803] ? write_profile (profile.c:?) [ 502.178267][ T9803] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 502.178271][ T9803] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 502.178272][ T9803] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 502.178274][ T9803] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 502.178275][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178276][ T9803] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 502.178280][ T9803] ? kasan_save_stack (mm/kasan/common.c:58) [ 502.178282][ T9803] ? kasan_save_stack (mm/kasan/common.c:57) [ 502.178283][ T9803] ? kasan_save_track (mm/kasan/common.c:78) [ 502.178284][ T9803] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 502.178285][ T9803] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 502.178286][ T9803] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 502.178287][ T9803] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 502.178288][ T9803] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 502.178292][ T9803] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 502.178293][ T9803] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 502.178295][ T9803] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 502.178297][ T9803] ? ____sys_sendmsg (net/socket.c:2713) [ 502.178299][ T9803] ? ___sys_sendmsg (net/socket.c:2767) [ 502.178300][ T9803] ? __sys_sendmsg (net/socket.c:2799) [ 502.178302][ T9803] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 502.178304][ T9803] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 502.178307][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178308][ T9803] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.178309][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178310][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178311][ T9803] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 502.178313][ T9803] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 502.178314][ T9803] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 502.178316][ T9803] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 502.178317][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178318][ T9803] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 502.178320][ T9803] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 502.178321][ T9803] ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167) [ 502.178323][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178324][ T9803] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 502.178326][ T9803] rtnl_newlink (net/core/rtnetlink.c:4215) [ 502.178328][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178330][ T9803] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 502.178331][ T9803] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.178332][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178334][ T9803] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 502.178336][ T9803] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 502.178337][ T9803] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 502.178339][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178340][ T9803] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 502.178343][ T9803] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 502.178346][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178347][ T9803] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.178348][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178349][ T9803] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 502.178351][ T9803] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 502.178352][ T9803] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 502.178354][ T9803] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 502.178355][ T9803] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 502.178358][ T9803] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 502.178359][ T9803] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 502.178361][ T9803] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 502.178364][ T9803] ? netlink_ack (./include/linux/skbuff.h:2718) [ 502.178366][ T9803] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 502.178371][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178373][ T9803] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 502.178375][ T9803] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 502.178377][ T9803] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 502.178379][ T9803] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 502.178381][ T9803] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 502.178383][ T9803] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 502.178385][ T9803] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 502.178386][ T9803] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 502.178388][ T9803] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 502.178391][ T9803] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 502.178393][ T9803] ____sys_sendmsg (net/socket.c:2713) [ 502.178395][ T9803] ? copy_msghdr_from_user (net/socket.c:2650) [ 502.178397][ T9803] ? sock_write_iter (net/socket.c:1269) [ 502.178398][ T9803] ? move_addr_to_kernel (net/socket.c:258) [ 502.178400][ T9803] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 502.178402][ T9803] ___sys_sendmsg (net/socket.c:2767) [ 502.178404][ T9803] ? copy_msghdr_from_user (net/socket.c:2619) [ 502.178409][ T9803] __sys_sendmsg (net/socket.c:2799) [ 502.178411][ T9803] ? __sys_sendmsg_sock (net/socket.c:2780) [ 502.178414][ T9803] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 502.178416][ T9803] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 502.178418][ T9803] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 502.178419][ T9803] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 502.178421][ T9803] RIP: 0033:0x7f6b2627f54e [ 502.178423][ T9803] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 502.178425][ T9803] RSP: 002b:00007ffdd6e84a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 502.178429][ T9803] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f6b2627f54e [ 502.178431][ T9803] RDX: 0000000000000000 RSI: 00007ffdd6e84ad0 RDI: 0000000000000005 [ 502.178431][ T9803] RBP: 00007ffdd6e84a30 R08: 0000000000000000 R09: 0000000000000000 [ 502.178432][ T9803] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917bff [ 502.178433][ T9803] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd6e851a0 | [ 509.761119][ T9947] softirqs last disabled at (0): 0x0 | [ 509.761121][ T9947] Preemption disabled at: | [ 509.761122][ T9947] vprintk_emit (kernel/printk/printk.c:2471) | [ 509.761132][ T9947] Tainted: [W]=WARN [ 509.761133][ T9947] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 509.761134][ T9947] Call Trace: [ 509.761136][ T9947] [ 509.761137][ T9947] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 509.761143][ T9947] ? vprintk_emit (kernel/printk/printk.c:2471) [ 509.761144][ T9947] __might_resched.cold (kernel/sched/core.c:9234) [ 509.761148][ T9947] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 509.761151][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761154][ T9947] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 509.761157][ T9947] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 509.761160][ T9947] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 509.761165][ T9947] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 509.761167][ T9947] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 509.761169][ T9947] put_chars (drivers/char/virtio_console.c:1176) [ 509.761171][ T9947] ? __send_to_port (drivers/char/virtio_console.c:654) [ 509.761172][ T9947] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 509.761174][ T9947] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 509.761177][ T9947] ? pointer (lib/vsprintf.c:2577) [ 509.761180][ T9947] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 509.761185][ T9947] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 509.761187][ T9947] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 509.761189][ T9947] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 509.761191][ T9947] console_emit_next_record (kernel/printk/printk.c:3183) [ 509.761194][ T9947] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 509.761196][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761197][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761198][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761199][ T9947] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 509.761201][ T9947] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 509.761203][ T9947] console_flush_one_record (kernel/printk/printk.c:3268) [ 509.761205][ T9947] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 509.761208][ T9947] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 509.761210][ T9947] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 509.761212][ T9947] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 509.761213][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761214][ T9947] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 509.761222][ T9947] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 509.761223][ T9947] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 509.761225][ T9947] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 509.761227][ T9947] ? vprintk_emit (kernel/printk/printk.c:2478) [ 509.761228][ T9947] vprintk_emit (kernel/printk/printk.c:2479) [ 509.761230][ T9947] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 509.761231][ T9947] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 509.761234][ T9947] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 509.761237][ T9947] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 509.761240][ T9947] _printk (kernel/printk/printk.c:2504) [ 509.761243][ T9947] ? snapshot_read.cold (user.c:?) [ 509.761245][ T9947] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 509.761247][ T9947] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 509.761250][ T9947] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 509.761252][ T9947] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 509.761255][ T9947] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 509.761258][ T9947] ? netdev_notice (net/core/dev.c:13194) [ 509.761260][ T9947] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 509.761262][ T9947] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 509.761264][ T9947] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 509.761266][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761267][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761268][ T9947] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 509.761269][ T9947] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 509.761271][ T9947] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 509.761272][ T9947] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 509.761274][ T9947] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 509.761275][ T9947] ? register_netdev (net/core/dev.c:11618) [ 509.761277][ T9947] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 509.761279][ T9947] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 509.761281][ T9947] ? __kernel_text_address (kernel/extable.c:79) [ 509.761284][ T9947] ? write_profile (profile.c:?) [ 509.761287][ T9947] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 509.761291][ T9947] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 509.761292][ T9947] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 509.761294][ T9947] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 509.761295][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761296][ T9947] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 509.761300][ T9947] ? kasan_save_stack (mm/kasan/common.c:58) [ 509.761301][ T9947] ? kasan_save_stack (mm/kasan/common.c:57) [ 509.761303][ T9947] ? kasan_save_track (mm/kasan/common.c:78) [ 509.761304][ T9947] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 509.761305][ T9947] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 509.761306][ T9947] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 509.761307][ T9947] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 509.761308][ T9947] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 509.761311][ T9947] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 509.761313][ T9947] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 509.761315][ T9947] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 509.761317][ T9947] ? ____sys_sendmsg (net/socket.c:2713) [ 509.761319][ T9947] ? ___sys_sendmsg (net/socket.c:2767) [ 509.761320][ T9947] ? __sys_sendmsg (net/socket.c:2799) [ 509.761322][ T9947] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 509.761324][ T9947] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 509.761327][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761328][ T9947] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 509.761329][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761330][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761332][ T9947] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 509.761333][ T9947] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 509.761335][ T9947] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 509.761336][ T9947] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 509.761338][ T9947] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 509.761339][ T9947] ? nla_get_range_signed (lib/nlattr.c:270) [ 509.761342][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761343][ T9947] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 509.761346][ T9947] rtnl_newlink (net/core/rtnetlink.c:4215) [ 509.761348][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761349][ T9947] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 509.761350][ T9947] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 509.761352][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761353][ T9947] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 509.761355][ T9947] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 509.761357][ T9947] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 509.761358][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761359][ T9947] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 509.761364][ T9947] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 509.761367][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761369][ T9947] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 509.761371][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761373][ T9947] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 509.761374][ T9947] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 509.761376][ T9947] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 509.761377][ T9947] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 509.761379][ T9947] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 509.761381][ T9947] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 509.761383][ T9947] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 509.761384][ T9947] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 509.761386][ T9947] ? netlink_ack (./include/linux/skbuff.h:2718) [ 509.761388][ T9947] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 509.761391][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761392][ T9947] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 509.761394][ T9947] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 509.761396][ T9947] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 509.761398][ T9947] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 509.761400][ T9947] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 509.761402][ T9947] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 509.761404][ T9947] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 509.761406][ T9947] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 509.761407][ T9947] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 509.761411][ T9947] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 509.761413][ T9947] ____sys_sendmsg (net/socket.c:2713) [ 509.761414][ T9947] ? copy_msghdr_from_user (net/socket.c:2650) [ 509.761416][ T9947] ? sock_write_iter (net/socket.c:1269) [ 509.761418][ T9947] ? move_addr_to_kernel (net/socket.c:258) [ 509.761419][ T9947] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 509.761422][ T9947] ___sys_sendmsg (net/socket.c:2767) [ 509.761424][ T9947] ? copy_msghdr_from_user (net/socket.c:2619) [ 509.761429][ T9947] __sys_sendmsg (net/socket.c:2799) [ 509.761431][ T9947] ? __sys_sendmsg_sock (net/socket.c:2780) [ 509.761434][ T9947] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 509.761435][ T9947] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 509.761437][ T9947] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 509.761439][ T9947] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 509.761441][ T9947] RIP: 0033:0x7f8e2868b54e [ 509.761443][ T9947] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 509.761445][ T9947] RSP: 002b:00007fff0c5c48c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 509.761448][ T9947] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8e2868b54e [ 509.761450][ T9947] RDX: 0000000000000000 RSI: 00007fff0c5c4970 RDI: 0000000000000005 [ 509.761451][ T9947] RBP: 00007fff0c5c48d0 R08: 0000000000000000 R09: 0000000000000000 [ 509.761452][ T9947] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c07 [ 509.761453][ T9947] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0c5c5040 | [ 517.476089][T10090] softirqs last disabled at (0): 0x0 | [ 517.476091][T10090] Preemption disabled at: | [ 517.476092][T10090] vprintk_emit (kernel/printk/printk.c:2471) | [ 517.476102][T10090] Tainted: [W]=WARN [ 517.476103][T10090] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 517.476105][T10090] Call Trace: [ 517.476106][T10090] [ 517.476107][T10090] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 517.476113][T10090] ? vprintk_emit (kernel/printk/printk.c:2471) [ 517.476114][T10090] __might_resched.cold (kernel/sched/core.c:9234) [ 517.476118][T10090] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 517.476122][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476125][T10090] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 517.476128][T10090] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 517.476131][T10090] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 517.476136][T10090] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 517.476138][T10090] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 517.476140][T10090] put_chars (drivers/char/virtio_console.c:1176) [ 517.476142][T10090] ? __send_to_port (drivers/char/virtio_console.c:654) [ 517.476143][T10090] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 517.476145][T10090] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 517.476147][T10090] ? pointer (lib/vsprintf.c:2577) [ 517.476151][T10090] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 517.476156][T10090] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 517.476158][T10090] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 517.476160][T10090] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 517.476162][T10090] console_emit_next_record (kernel/printk/printk.c:3183) [ 517.476165][T10090] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 517.476167][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476168][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476169][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476170][T10090] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 517.476172][T10090] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 517.476174][T10090] console_flush_one_record (kernel/printk/printk.c:3268) [ 517.476177][T10090] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 517.476180][T10090] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 517.476181][T10090] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 517.476183][T10090] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 517.476185][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476186][T10090] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 517.476188][T10090] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 517.476189][T10090] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 517.476191][T10090] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 517.476193][T10090] ? vprintk_emit (kernel/printk/printk.c:2478) [ 517.476194][T10090] vprintk_emit (kernel/printk/printk.c:2479) [ 517.476196][T10090] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 517.476197][T10090] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 517.476200][T10090] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 517.476202][T10090] _printk (kernel/printk/printk.c:2504) [ 517.476205][T10090] ? snapshot_read.cold (user.c:?) [ 517.476207][T10090] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 517.476209][T10090] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 517.476213][T10090] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 517.476215][T10090] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 517.476218][T10090] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 517.476220][T10090] ? netdev_notice (net/core/dev.c:13194) [ 517.476222][T10090] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 517.476224][T10090] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 517.476227][T10090] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 517.476228][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476230][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476231][T10090] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 517.476234][T10090] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 517.476235][T10090] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 517.476237][T10090] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 517.476238][T10090] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 517.476240][T10090] ? register_netdev (net/core/dev.c:11618) [ 517.476241][T10090] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 517.476243][T10090] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 517.476246][T10090] ? __kernel_text_address (kernel/extable.c:79) [ 517.476249][T10090] ? write_profile (profile.c:?) [ 517.476252][T10090] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 517.476255][T10090] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 517.476257][T10090] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 517.476259][T10090] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 517.476260][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476261][T10090] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 517.476271][T10090] ? kasan_save_stack (mm/kasan/common.c:58) [ 517.476272][T10090] ? kasan_save_stack (mm/kasan/common.c:57) [ 517.476274][T10090] ? kasan_save_track (mm/kasan/common.c:78) [ 517.476275][T10090] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 517.476276][T10090] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 517.476277][T10090] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 517.476278][T10090] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 517.476279][T10090] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 517.476283][T10090] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 517.476284][T10090] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 517.476286][T10090] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 517.476289][T10090] ? ____sys_sendmsg (net/socket.c:2713) [ 517.476290][T10090] ? ___sys_sendmsg (net/socket.c:2767) [ 517.476292][T10090] ? __sys_sendmsg (net/socket.c:2799) [ 517.476293][T10090] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 517.476296][T10090] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 517.476298][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476299][T10090] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 517.476301][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476302][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476303][T10090] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 517.476305][T10090] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 517.476306][T10090] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 517.476307][T10090] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 517.476309][T10090] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 517.476310][T10090] ? nla_get_range_signed (lib/nlattr.c:270) [ 517.476314][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476315][T10090] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 517.476317][T10090] rtnl_newlink (net/core/rtnetlink.c:4215) [ 517.476319][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476320][T10090] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 517.476322][T10090] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 517.476323][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476325][T10090] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 517.476327][T10090] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 517.476329][T10090] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 517.476330][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476331][T10090] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 517.476335][T10090] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 517.476337][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476339][T10090] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 517.476340][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476341][T10090] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 517.476343][T10090] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 517.476345][T10090] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 517.476346][T10090] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 517.476348][T10090] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 517.476350][T10090] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 517.476352][T10090] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 517.476353][T10090] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 517.476355][T10090] ? netlink_ack (./include/linux/skbuff.h:2718) [ 517.476357][T10090] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 517.476360][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476361][T10090] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 517.476363][T10090] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 517.476365][T10090] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 517.476367][T10090] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 517.476369][T10090] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 517.476371][T10090] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 517.476373][T10090] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 517.476375][T10090] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 517.476376][T10090] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 517.476380][T10090] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 517.476381][T10090] ____sys_sendmsg (net/socket.c:2713) [ 517.476383][T10090] ? copy_msghdr_from_user (net/socket.c:2650) [ 517.476385][T10090] ? sock_write_iter (net/socket.c:1269) [ 517.476386][T10090] ? move_addr_to_kernel (net/socket.c:258) [ 517.476388][T10090] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 517.476391][T10090] ___sys_sendmsg (net/socket.c:2767) [ 517.476393][T10090] ? copy_msghdr_from_user (net/socket.c:2619) [ 517.476398][T10090] __sys_sendmsg (net/socket.c:2799) [ 517.476400][T10090] ? __sys_sendmsg_sock (net/socket.c:2780) [ 517.476403][T10090] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 517.476404][T10090] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 517.476406][T10090] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 517.476408][T10090] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 517.476409][T10090] RIP: 0033:0x7facd041954e [ 517.476411][T10090] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 517.476413][T10090] RSP: 002b:00007ffd1bf46f30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 517.476417][T10090] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007facd041954e [ 517.476418][T10090] RDX: 0000000000000000 RSI: 00007ffd1bf46fe0 RDI: 0000000000000005 [ 517.476419][T10090] RBP: 00007ffd1bf46f40 R08: 0000000000000000 R09: 0000000000000000 [ 517.476420][T10090] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c0e [ 517.476421][T10090] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd1bf476b0 | [ 525.519624][T10233] softirqs last disabled at (0): 0x0 | [ 525.519625][T10233] Preemption disabled at: | [ 525.519626][T10233] vprintk_emit (kernel/printk/printk.c:2471) | [ 525.519636][T10233] Tainted: [W]=WARN [ 525.519637][T10233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 525.519639][T10233] Call Trace: [ 525.519641][T10233] [ 525.519642][T10233] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 525.519648][T10233] ? vprintk_emit (kernel/printk/printk.c:2471) [ 525.519649][T10233] __might_resched.cold (kernel/sched/core.c:9234) [ 525.519653][T10233] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 525.519657][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519659][T10233] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 525.519662][T10233] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 525.519665][T10233] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 525.519670][T10233] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 525.519672][T10233] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 525.519675][T10233] put_chars (drivers/char/virtio_console.c:1176) [ 525.519677][T10233] ? __send_to_port (drivers/char/virtio_console.c:654) [ 525.519678][T10233] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 525.519681][T10233] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 525.519683][T10233] ? pointer (lib/vsprintf.c:2577) [ 525.519687][T10233] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 525.519691][T10233] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 525.519693][T10233] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 525.519695][T10233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 525.519698][T10233] console_emit_next_record (kernel/printk/printk.c:3183) [ 525.519700][T10233] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 525.519703][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519704][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519705][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519706][T10233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 525.519708][T10233] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 525.519710][T10233] console_flush_one_record (kernel/printk/printk.c:3268) [ 525.519713][T10233] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 525.519715][T10233] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 525.519717][T10233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 525.519719][T10233] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 525.519721][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519722][T10233] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 525.519724][T10233] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 525.519725][T10233] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 525.519727][T10233] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 525.519729][T10233] ? vprintk_emit (kernel/printk/printk.c:2478) [ 525.519731][T10233] vprintk_emit (kernel/printk/printk.c:2479) [ 525.519732][T10233] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 525.519734][T10233] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 525.519736][T10233] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 525.519739][T10233] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 525.519742][T10233] _printk (kernel/printk/printk.c:2504) [ 525.519745][T10233] ? snapshot_read.cold (user.c:?) [ 525.519747][T10233] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 525.519749][T10233] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 525.519753][T10233] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 525.519755][T10233] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 525.519758][T10233] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 525.519760][T10233] ? netdev_notice (net/core/dev.c:13194) [ 525.519762][T10233] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 525.519764][T10233] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 525.519767][T10233] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 525.519769][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519770][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519771][T10233] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 525.519772][T10233] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 525.519774][T10233] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 525.519775][T10233] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 525.519777][T10233] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 525.519778][T10233] ? register_netdev (net/core/dev.c:11618) [ 525.519780][T10233] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 525.519782][T10233] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 525.519784][T10233] ? __kernel_text_address (kernel/extable.c:79) [ 525.519787][T10233] ? write_profile (profile.c:?) [ 525.519790][T10233] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 525.519794][T10233] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 525.519796][T10233] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 525.519798][T10233] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 525.519799][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519800][T10233] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 525.519804][T10233] ? kasan_save_stack (mm/kasan/common.c:58) [ 525.519805][T10233] ? kasan_save_stack (mm/kasan/common.c:57) [ 525.519807][T10233] ? kasan_save_track (mm/kasan/common.c:78) [ 525.519808][T10233] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 525.519809][T10233] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 525.519810][T10233] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 525.519811][T10233] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 525.519813][T10233] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 525.519817][T10233] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 525.519818][T10233] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 525.519820][T10233] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 525.519823][T10233] ? ____sys_sendmsg (net/socket.c:2713) [ 525.519824][T10233] ? ___sys_sendmsg (net/socket.c:2767) [ 525.519826][T10233] ? __sys_sendmsg (net/socket.c:2799) [ 525.519828][T10233] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 525.519830][T10233] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 525.519833][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519834][T10233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 525.519835][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519836][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519838][T10233] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 525.519839][T10233] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 525.519841][T10233] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 525.519842][T10233] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 525.519843][T10233] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 525.519845][T10233] ? nla_get_range_signed (lib/nlattr.c:270) [ 525.519848][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519850][T10233] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 525.519852][T10233] rtnl_newlink (net/core/rtnetlink.c:4215) [ 525.519854][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519855][T10233] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 525.519856][T10233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 525.519858][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519859][T10233] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 525.519862][T10233] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 525.519863][T10233] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 525.519865][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519866][T10233] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 525.519869][T10233] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 525.519872][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519873][T10233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 525.519875][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519876][T10233] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 525.519877][T10233] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 525.519879][T10233] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 525.519881][T10233] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 525.519882][T10233] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 525.519885][T10233] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 525.519887][T10233] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 525.519888][T10233] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 525.519890][T10233] ? netlink_ack (./include/linux/skbuff.h:2718) [ 525.519891][T10233] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 525.519894][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519896][T10233] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 525.519898][T10233] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 525.519900][T10233] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 525.519902][T10233] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 525.519904][T10233] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 525.519906][T10233] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 525.519908][T10233] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 525.519910][T10233] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 525.519911][T10233] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 525.519915][T10233] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 525.519917][T10233] ____sys_sendmsg (net/socket.c:2713) [ 525.519918][T10233] ? copy_msghdr_from_user (net/socket.c:2650) [ 525.519920][T10233] ? sock_write_iter (net/socket.c:1269) [ 525.519922][T10233] ? move_addr_to_kernel (net/socket.c:258) [ 525.519923][T10233] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 525.519926][T10233] ___sys_sendmsg (net/socket.c:2767) [ 525.519928][T10233] ? copy_msghdr_from_user (net/socket.c:2619) [ 525.519933][T10233] __sys_sendmsg (net/socket.c:2799) [ 525.519935][T10233] ? __sys_sendmsg_sock (net/socket.c:2780) [ 525.519938][T10233] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 525.519940][T10233] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 525.519941][T10233] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 525.519943][T10233] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 525.519945][T10233] RIP: 0033:0x7f27858d754e [ 525.519947][T10233] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 525.519949][T10233] RSP: 002b:00007ffe5d2d7c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 525.519953][T10233] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f27858d754e [ 525.519955][T10233] RDX: 0000000000000000 RSI: 00007ffe5d2d7d40 RDI: 0000000000000005 [ 525.519955][T10233] RBP: 00007ffe5d2d7ca0 R08: 0000000000000000 R09: 0000000000000000 [ 525.519956][T10233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c16 [ 525.519957][T10233] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5d2d8410 | [ 533.153090][T10376] softirqs last disabled at (0): 0x0 | [ 533.153092][T10376] Preemption disabled at: | [ 533.153093][T10376] vprintk_emit (kernel/printk/printk.c:2471) | [ 533.153104][T10376] Tainted: [W]=WARN [ 533.153105][T10376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 533.153106][T10376] Call Trace: [ 533.153108][T10376] [ 533.153109][T10376] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 533.153115][T10376] ? vprintk_emit (kernel/printk/printk.c:2471) [ 533.153116][T10376] __might_resched.cold (kernel/sched/core.c:9234) [ 533.153120][T10376] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 533.153123][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153126][T10376] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 533.153129][T10376] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 533.153132][T10376] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 533.153138][T10376] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 533.153140][T10376] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 533.153142][T10376] put_chars (drivers/char/virtio_console.c:1176) [ 533.153144][T10376] ? __send_to_port (drivers/char/virtio_console.c:654) [ 533.153145][T10376] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 533.153148][T10376] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 533.153150][T10376] ? pointer (lib/vsprintf.c:2577) [ 533.153154][T10376] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 533.153159][T10376] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 533.153161][T10376] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 533.153162][T10376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.153165][T10376] console_emit_next_record (kernel/printk/printk.c:3183) [ 533.153168][T10376] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 533.153170][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153171][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153172][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153173][T10376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.153175][T10376] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 533.153177][T10376] console_flush_one_record (kernel/printk/printk.c:3268) [ 533.153180][T10376] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 533.153183][T10376] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 533.153185][T10376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.153186][T10376] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 533.153189][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153191][T10376] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 533.153193][T10376] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 533.153196][T10376] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 533.153199][T10376] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 533.153202][T10376] ? vprintk_emit (kernel/printk/printk.c:2478) [ 533.153203][T10376] vprintk_emit (kernel/printk/printk.c:2479) [ 533.153205][T10376] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 533.153207][T10376] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 533.153209][T10376] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 533.153212][T10376] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 533.153215][T10376] _printk (kernel/printk/printk.c:2504) [ 533.153218][T10376] ? snapshot_read.cold (user.c:?) [ 533.153220][T10376] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 533.153222][T10376] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 533.153226][T10376] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 533.153228][T10376] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 533.153231][T10376] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 533.153233][T10376] ? netdev_notice (net/core/dev.c:13194) [ 533.153236][T10376] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 533.153237][T10376] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 533.153240][T10376] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 533.153242][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153243][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153244][T10376] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 533.153245][T10376] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 533.153247][T10376] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 533.153249][T10376] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 533.153250][T10376] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 533.153252][T10376] ? register_netdev (net/core/dev.c:11618) [ 533.153253][T10376] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 533.153255][T10376] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 533.153258][T10376] ? __kernel_text_address (kernel/extable.c:79) [ 533.153260][T10376] ? write_profile (profile.c:?) [ 533.153263][T10376] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 533.153267][T10376] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 533.153269][T10376] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 533.153271][T10376] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 533.153272][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153273][T10376] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 533.153277][T10376] ? kasan_save_stack (mm/kasan/common.c:58) [ 533.153279][T10376] ? kasan_save_stack (mm/kasan/common.c:57) [ 533.153280][T10376] ? kasan_save_track (mm/kasan/common.c:78) [ 533.153281][T10376] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 533.153282][T10376] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 533.153283][T10376] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 533.153284][T10376] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 533.153285][T10376] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 533.153289][T10376] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 533.153290][T10376] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 533.153292][T10376] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 533.153295][T10376] ? ____sys_sendmsg (net/socket.c:2713) [ 533.153296][T10376] ? ___sys_sendmsg (net/socket.c:2767) [ 533.153297][T10376] ? __sys_sendmsg (net/socket.c:2799) [ 533.153299][T10376] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 533.153302][T10376] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 533.153304][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153305][T10376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.153307][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153308][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153309][T10376] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 533.153311][T10376] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 533.153312][T10376] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 533.153313][T10376] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 533.153315][T10376] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 533.153316][T10376] ? nla_get_range_signed (lib/nlattr.c:270) [ 533.153319][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153321][T10376] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 533.153323][T10376] rtnl_newlink (net/core/rtnetlink.c:4215) [ 533.153325][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153326][T10376] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 533.153327][T10376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.153329][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153330][T10376] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 533.153333][T10376] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 533.153334][T10376] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 533.153336][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153337][T10376] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 533.153340][T10376] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 533.153343][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153344][T10376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.153346][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153347][T10376] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 533.153348][T10376] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 533.153350][T10376] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 533.153351][T10376] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 533.153353][T10376] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 533.153361][T10376] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 533.153363][T10376] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 533.153364][T10376] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 533.153366][T10376] ? netlink_ack (./include/linux/skbuff.h:2718) [ 533.153367][T10376] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 533.153370][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153372][T10376] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 533.153374][T10376] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 533.153376][T10376] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 533.153378][T10376] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 533.153380][T10376] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 533.153382][T10376] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 533.153384][T10376] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 533.153386][T10376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 533.153387][T10376] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 533.153391][T10376] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 533.153393][T10376] ____sys_sendmsg (net/socket.c:2713) [ 533.153394][T10376] ? copy_msghdr_from_user (net/socket.c:2650) [ 533.153396][T10376] ? sock_write_iter (net/socket.c:1269) [ 533.153398][T10376] ? move_addr_to_kernel (net/socket.c:258) [ 533.153399][T10376] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 533.153402][T10376] ___sys_sendmsg (net/socket.c:2767) [ 533.153404][T10376] ? copy_msghdr_from_user (net/socket.c:2619) [ 533.153409][T10376] __sys_sendmsg (net/socket.c:2799) [ 533.153411][T10376] ? __sys_sendmsg_sock (net/socket.c:2780) [ 533.153414][T10376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 533.153415][T10376] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 533.153417][T10376] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 533.153419][T10376] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 533.153421][T10376] RIP: 0033:0x7f852893e54e [ 533.153422][T10376] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 533.153424][T10376] RSP: 002b:00007fffa8671d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 533.153428][T10376] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f852893e54e [ 533.153429][T10376] RDX: 0000000000000000 RSI: 00007fffa8671dc0 RDI: 0000000000000005 [ 533.153430][T10376] RBP: 00007fffa8671d20 R08: 0000000000000000 R09: 0000000000000000 [ 533.153431][T10376] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c1e [ 533.153432][T10376] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa8672490 | [ 541.139860][T10519] softirqs last disabled at (0): 0x0 | [ 541.139863][T10519] Preemption disabled at: | [ 541.139864][T10519] vprintk_emit (kernel/printk/printk.c:2471) | [ 541.139878][T10519] Tainted: [W]=WARN [ 541.139879][T10519] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 541.139882][T10519] Call Trace: [ 541.139884][T10519] [ 541.139886][T10519] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 541.139893][T10519] ? vprintk_emit (kernel/printk/printk.c:2471) [ 541.139895][T10519] __might_resched.cold (kernel/sched/core.c:9234) [ 541.139901][T10519] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 541.139906][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.139910][T10519] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 541.139914][T10519] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 541.139918][T10519] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 541.139925][T10519] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 541.139927][T10519] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 541.139931][T10519] put_chars (drivers/char/virtio_console.c:1176) [ 541.139934][T10519] ? __send_to_port (drivers/char/virtio_console.c:654) [ 541.139937][T10519] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 541.139941][T10519] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 541.139944][T10519] ? pointer (lib/vsprintf.c:2577) [ 541.139949][T10519] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 541.139956][T10519] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 541.139959][T10519] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 541.139962][T10519] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.139966][T10519] console_emit_next_record (kernel/printk/printk.c:3183) [ 541.139970][T10519] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 541.139973][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.139975][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.139977][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.139979][T10519] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.139983][T10519] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 541.139986][T10519] console_flush_one_record (kernel/printk/printk.c:3268) [ 541.139990][T10519] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 541.139999][T10519] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 541.140002][T10519] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.140005][T10519] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 541.140007][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140009][T10519] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 541.140012][T10519] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 541.140015][T10519] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 541.140018][T10519] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 541.140021][T10519] ? vprintk_emit (kernel/printk/printk.c:2478) [ 541.140024][T10519] vprintk_emit (kernel/printk/printk.c:2479) [ 541.140027][T10519] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 541.140029][T10519] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 541.140033][T10519] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 541.140037][T10519] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 541.140040][T10519] _printk (kernel/printk/printk.c:2504) [ 541.140045][T10519] ? snapshot_read.cold (user.c:?) [ 541.140048][T10519] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 541.140052][T10519] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 541.140056][T10519] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 541.140059][T10519] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 541.140063][T10519] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 541.140067][T10519] ? netdev_notice (net/core/dev.c:13194) [ 541.140070][T10519] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 541.140073][T10519] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 541.140077][T10519] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 541.140079][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140081][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140084][T10519] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 541.140087][T10519] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 541.140091][T10519] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 541.140094][T10519] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 541.140096][T10519] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 541.140099][T10519] ? register_netdev (net/core/dev.c:11618) [ 541.140102][T10519] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 541.140105][T10519] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 541.140110][T10519] ? __kernel_text_address (kernel/extable.c:79) [ 541.140113][T10519] ? write_profile (profile.c:?) [ 541.140118][T10519] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 541.140123][T10519] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 541.140126][T10519] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 541.140129][T10519] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 541.140131][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140134][T10519] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 541.140139][T10519] ? kasan_save_stack (mm/kasan/common.c:58) [ 541.140142][T10519] ? kasan_save_stack (mm/kasan/common.c:57) [ 541.140144][T10519] ? kasan_save_track (mm/kasan/common.c:78) [ 541.140146][T10519] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 541.140148][T10519] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 541.140150][T10519] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 541.140152][T10519] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 541.140155][T10519] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 541.140159][T10519] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 541.140162][T10519] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 541.140164][T10519] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 541.140168][T10519] ? ____sys_sendmsg (net/socket.c:2713) [ 541.140170][T10519] ? ___sys_sendmsg (net/socket.c:2767) [ 541.140173][T10519] ? __sys_sendmsg (net/socket.c:2799) [ 541.140176][T10519] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 541.140179][T10519] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 541.140184][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140186][T10519] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.140188][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140190][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140193][T10519] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 541.140196][T10519] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 541.140198][T10519] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 541.140200][T10519] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 541.140203][T10519] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 541.140205][T10519] ? nla_get_range_signed (lib/nlattr.c:270) [ 541.140210][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140213][T10519] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 541.140217][T10519] rtnl_newlink (net/core/rtnetlink.c:4215) [ 541.140220][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140223][T10519] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 541.140225][T10519] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.140228][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140230][T10519] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 541.140234][T10519] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 541.140236][T10519] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 541.140239][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140241][T10519] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 541.140246][T10519] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 541.140249][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140251][T10519] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.140254][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140256][T10519] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 541.140259][T10519] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 541.140262][T10519] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 541.140265][T10519] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 541.140267][T10519] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 541.140272][T10519] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 541.140274][T10519] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 541.140277][T10519] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 541.140280][T10519] ? netlink_ack (./include/linux/skbuff.h:2718) [ 541.140283][T10519] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 541.140288][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140290][T10519] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 541.140293][T10519] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 541.140297][T10519] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 541.140300][T10519] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 541.140304][T10519] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 541.140308][T10519] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 541.140310][T10519] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 541.140314][T10519] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 541.140318][T10519] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 541.140323][T10519] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 541.140326][T10519] ____sys_sendmsg (net/socket.c:2713) [ 541.140329][T10519] ? copy_msghdr_from_user (net/socket.c:2650) [ 541.140331][T10519] ? sock_write_iter (net/socket.c:1269) [ 541.140334][T10519] ? move_addr_to_kernel (net/socket.c:258) [ 541.140336][T10519] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 541.140342][T10519] ___sys_sendmsg (net/socket.c:2767) [ 541.140345][T10519] ? copy_msghdr_from_user (net/socket.c:2619) [ 541.140353][T10519] __sys_sendmsg (net/socket.c:2799) [ 541.140357][T10519] ? __sys_sendmsg_sock (net/socket.c:2780) [ 541.140361][T10519] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 541.140365][T10519] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 541.140367][T10519] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 541.140370][T10519] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 541.140373][T10519] RIP: 0033:0x7fd72116154e [ 541.140376][T10519] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 541.140380][T10519] RSP: 002b:00007ffed9c9fdd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 541.140385][T10519] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fd72116154e [ 541.140387][T10519] RDX: 0000000000000000 RSI: 00007ffed9c9fe80 RDI: 0000000000000005 [ 541.140389][T10519] RBP: 00007ffed9c9fde0 R08: 0000000000000000 R09: 0000000000000000 [ 541.140391][T10519] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c26 [ 541.140393][T10519] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed9ca0550 | [ 549.074343][T10662] softirqs last disabled at (0): 0x0 | [ 549.074346][T10662] Preemption disabled at: | [ 549.074347][T10662] vprintk_emit (kernel/printk/printk.c:2471) | [ 549.074360][T10662] Tainted: [W]=WARN [ 549.074362][T10662] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 549.074364][T10662] Call Trace: [ 549.074366][T10662] [ 549.074368][T10662] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 549.074375][T10662] ? vprintk_emit (kernel/printk/printk.c:2471) [ 549.074377][T10662] __might_resched.cold (kernel/sched/core.c:9234) [ 549.074383][T10662] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 549.074387][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074391][T10662] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 549.074395][T10662] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 549.074399][T10662] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 549.074406][T10662] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 549.074409][T10662] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 549.074413][T10662] put_chars (drivers/char/virtio_console.c:1176) [ 549.074415][T10662] ? __send_to_port (drivers/char/virtio_console.c:654) [ 549.074418][T10662] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 549.074422][T10662] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 549.074425][T10662] ? pointer (lib/vsprintf.c:2577) [ 549.074430][T10662] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 549.074436][T10662] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 549.074439][T10662] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 549.074442][T10662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 549.074446][T10662] console_emit_next_record (kernel/printk/printk.c:3183) [ 549.074456][T10662] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 549.074460][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074462][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074464][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074466][T10662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 549.074469][T10662] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 549.074472][T10662] console_flush_one_record (kernel/printk/printk.c:3268) [ 549.074476][T10662] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 549.074481][T10662] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 549.074484][T10662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 549.074486][T10662] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 549.074489][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074491][T10662] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 549.074494][T10662] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 549.074496][T10662] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 549.074499][T10662] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 549.074502][T10662] ? vprintk_emit (kernel/printk/printk.c:2478) [ 549.074504][T10662] vprintk_emit (kernel/printk/printk.c:2479) [ 549.074507][T10662] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 549.074509][T10662] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 549.074513][T10662] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 549.074517][T10662] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 549.074521][T10662] _printk (kernel/printk/printk.c:2504) [ 549.074525][T10662] ? snapshot_read.cold (user.c:?) [ 549.074528][T10662] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 549.074532][T10662] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 549.074536][T10662] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 549.074539][T10662] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 549.074543][T10662] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 549.074547][T10662] ? netdev_notice (net/core/dev.c:13194) [ 549.074550][T10662] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 549.074553][T10662] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 549.074556][T10662] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 549.074559][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074561][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074563][T10662] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 549.074566][T10662] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 549.074568][T10662] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 549.074571][T10662] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 549.074573][T10662] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 549.074576][T10662] ? register_netdev (net/core/dev.c:11618) [ 549.074578][T10662] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 549.074582][T10662] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 549.074585][T10662] ? __kernel_text_address (kernel/extable.c:79) [ 549.074589][T10662] ? write_profile (profile.c:?) [ 549.074593][T10662] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 549.074599][T10662] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 549.074602][T10662] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 549.074605][T10662] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 549.074607][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074609][T10662] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 549.074614][T10662] ? kasan_save_stack (mm/kasan/common.c:58) [ 549.074617][T10662] ? kasan_save_stack (mm/kasan/common.c:57) [ 549.074619][T10662] ? kasan_save_track (mm/kasan/common.c:78) [ 549.074621][T10662] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 549.074623][T10662] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 549.074625][T10662] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 549.074627][T10662] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 549.074629][T10662] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 549.074633][T10662] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 549.074636][T10662] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 549.074638][T10662] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 549.074642][T10662] ? ____sys_sendmsg (net/socket.c:2713) [ 549.074644][T10662] ? ___sys_sendmsg (net/socket.c:2767) [ 549.074647][T10662] ? __sys_sendmsg (net/socket.c:2799) [ 549.074649][T10662] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 549.074653][T10662] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 549.074657][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074659][T10662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 549.074662][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074664][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074666][T10662] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 549.074669][T10662] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 549.074671][T10662] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 549.074673][T10662] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 549.074676][T10662] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 549.074678][T10662] ? nla_get_range_signed (lib/nlattr.c:270) [ 549.074683][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074685][T10662] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 549.074689][T10662] rtnl_newlink (net/core/rtnetlink.c:4215) [ 549.074693][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074695][T10662] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 549.074697][T10662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 549.074700][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074702][T10662] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 549.074706][T10662] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 549.074708][T10662] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 549.074711][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074713][T10662] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 549.074717][T10662] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 549.074721][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074723][T10662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 549.074726][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074728][T10662] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 549.074731][T10662] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 549.074734][T10662] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 549.074736][T10662] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 549.074739][T10662] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 549.074743][T10662] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 549.074745][T10662] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 549.074748][T10662] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 549.074751][T10662] ? netlink_ack (./include/linux/skbuff.h:2718) [ 549.074753][T10662] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 549.074758][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074760][T10662] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 549.074764][T10662] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 549.074767][T10662] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 549.074770][T10662] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 549.074774][T10662] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 549.074777][T10662] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 549.074780][T10662] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 549.074783][T10662] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 549.074785][T10662] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 549.074790][T10662] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 549.074793][T10662] ____sys_sendmsg (net/socket.c:2713) [ 549.074796][T10662] ? copy_msghdr_from_user (net/socket.c:2650) [ 549.074799][T10662] ? sock_write_iter (net/socket.c:1269) [ 549.074801][T10662] ? move_addr_to_kernel (net/socket.c:258) [ 549.074804][T10662] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 549.074808][T10662] ___sys_sendmsg (net/socket.c:2767) [ 549.074811][T10662] ? copy_msghdr_from_user (net/socket.c:2619) [ 549.074820][T10662] __sys_sendmsg (net/socket.c:2799) [ 549.074823][T10662] ? __sys_sendmsg_sock (net/socket.c:2780) [ 549.074828][T10662] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 549.074831][T10662] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 549.074834][T10662] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 549.074837][T10662] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 549.074839][T10662] RIP: 0033:0x7f4c7890054e [ 549.074842][T10662] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 549.074845][T10662] RSP: 002b:00007fff4ff3e610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 549.074849][T10662] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f4c7890054e [ 549.074852][T10662] RDX: 0000000000000000 RSI: 00007fff4ff3e6c0 RDI: 0000000000000005 [ 549.074853][T10662] RBP: 00007fff4ff3e620 R08: 0000000000000000 R09: 0000000000000000 [ 549.074855][T10662] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c2e [ 549.074857][T10662] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4ff3ed90 | [ 557.214974][T10805] softirqs last disabled at (0): 0x0 | [ 557.214977][T10805] Preemption disabled at: | [ 557.214979][T10805] vprintk_emit (kernel/printk/printk.c:2471) | [ 557.214992][T10805] Tainted: [W]=WARN [ 557.214997][T10805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 557.215000][T10805] Call Trace: [ 557.215002][T10805] [ 557.215004][T10805] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 557.215011][T10805] ? vprintk_emit (kernel/printk/printk.c:2471) [ 557.215013][T10805] __might_resched.cold (kernel/sched/core.c:9234) [ 557.215018][T10805] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 557.215023][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215027][T10805] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 557.215030][T10805] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 557.215034][T10805] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 557.215041][T10805] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 557.215044][T10805] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 557.215048][T10805] put_chars (drivers/char/virtio_console.c:1176) [ 557.215050][T10805] ? __send_to_port (drivers/char/virtio_console.c:654) [ 557.215052][T10805] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 557.215056][T10805] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 557.215060][T10805] ? pointer (lib/vsprintf.c:2577) [ 557.215064][T10805] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 557.215071][T10805] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 557.215074][T10805] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 557.215077][T10805] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 557.215081][T10805] console_emit_next_record (kernel/printk/printk.c:3183) [ 557.215086][T10805] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 557.215092][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215094][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215096][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215098][T10805] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 557.215102][T10805] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 557.215105][T10805] console_flush_one_record (kernel/printk/printk.c:3268) [ 557.215108][T10805] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 557.215113][T10805] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 557.215116][T10805] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 557.215119][T10805] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 557.215122][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215123][T10805] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 557.215126][T10805] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 557.215128][T10805] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 557.215131][T10805] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 557.215134][T10805] ? vprintk_emit (kernel/printk/printk.c:2478) [ 557.215137][T10805] vprintk_emit (kernel/printk/printk.c:2479) [ 557.215140][T10805] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 557.215142][T10805] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 557.215146][T10805] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 557.215150][T10805] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 557.215153][T10805] _printk (kernel/printk/printk.c:2504) [ 557.215158][T10805] ? snapshot_read.cold (user.c:?) [ 557.215161][T10805] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 557.215165][T10805] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 557.215169][T10805] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 557.215172][T10805] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 557.215177][T10805] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 557.215180][T10805] ? netdev_notice (net/core/dev.c:13194) [ 557.215183][T10805] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 557.215186][T10805] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 557.215190][T10805] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 557.215193][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215195][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215197][T10805] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 557.215199][T10805] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 557.215202][T10805] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 557.215204][T10805] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 557.215207][T10805] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 557.215210][T10805] ? register_netdev (net/core/dev.c:11618) [ 557.215212][T10805] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 557.215215][T10805] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 557.215219][T10805] ? __kernel_text_address (kernel/extable.c:79) [ 557.215222][T10805] ? write_profile (profile.c:?) [ 557.215226][T10805] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 557.215231][T10805] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 557.215234][T10805] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 557.215237][T10805] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 557.215239][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215242][T10805] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 557.215247][T10805] ? kasan_save_stack (mm/kasan/common.c:58) [ 557.215250][T10805] ? kasan_save_stack (mm/kasan/common.c:57) [ 557.215252][T10805] ? kasan_save_track (mm/kasan/common.c:78) [ 557.215254][T10805] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 557.215256][T10805] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 557.215258][T10805] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 557.215260][T10805] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 557.215262][T10805] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 557.215266][T10805] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 557.215269][T10805] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 557.215271][T10805] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 557.215275][T10805] ? ____sys_sendmsg (net/socket.c:2713) [ 557.215278][T10805] ? ___sys_sendmsg (net/socket.c:2767) [ 557.215280][T10805] ? __sys_sendmsg (net/socket.c:2799) [ 557.215283][T10805] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 557.215286][T10805] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 557.215290][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215293][T10805] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 557.215295][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215297][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215299][T10805] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 557.215302][T10805] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 557.215304][T10805] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 557.215307][T10805] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 557.215310][T10805] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 557.215312][T10805] ? nla_get_range_signed (lib/nlattr.c:270) [ 557.215320][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215323][T10805] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 557.215327][T10805] rtnl_newlink (net/core/rtnetlink.c:4215) [ 557.215330][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215333][T10805] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 557.215335][T10805] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 557.215337][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215340][T10805] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 557.215343][T10805] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 557.215346][T10805] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 557.215349][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215351][T10805] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 557.215356][T10805] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 557.215359][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215361][T10805] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 557.215364][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215366][T10805] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 557.215369][T10805] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 557.215371][T10805] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 557.215374][T10805] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 557.215377][T10805] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 557.215381][T10805] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 557.215383][T10805] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 557.215386][T10805] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 557.215389][T10805] ? netlink_ack (./include/linux/skbuff.h:2718) [ 557.215391][T10805] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 557.215396][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215398][T10805] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 557.215401][T10805] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 557.215405][T10805] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 557.215408][T10805] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 557.215412][T10805] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 557.215415][T10805] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 557.215418][T10805] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 557.215421][T10805] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 557.215423][T10805] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 557.215428][T10805] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 557.215431][T10805] ____sys_sendmsg (net/socket.c:2713) [ 557.215434][T10805] ? copy_msghdr_from_user (net/socket.c:2650) [ 557.215437][T10805] ? sock_write_iter (net/socket.c:1269) [ 557.215439][T10805] ? move_addr_to_kernel (net/socket.c:258) [ 557.215442][T10805] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 557.215446][T10805] ___sys_sendmsg (net/socket.c:2767) [ 557.215450][T10805] ? copy_msghdr_from_user (net/socket.c:2619) [ 557.215458][T10805] __sys_sendmsg (net/socket.c:2799) [ 557.215461][T10805] ? __sys_sendmsg_sock (net/socket.c:2780) [ 557.215466][T10805] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 557.215469][T10805] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 557.215471][T10805] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 557.215475][T10805] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 557.215477][T10805] RIP: 0033:0x7ff1ea71954e [ 557.215481][T10805] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 557.215483][T10805] RSP: 002b:00007ffe033a87b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 557.215488][T10805] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff1ea71954e [ 557.215491][T10805] RDX: 0000000000000000 RSI: 00007ffe033a8860 RDI: 0000000000000005 [ 557.215493][T10805] RBP: 00007ffe033a87c0 R08: 0000000000000000 R09: 0000000000000000 [ 557.215494][T10805] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c36 [ 557.215496][T10805] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe033a8f30 | [ 565.046521][T10948] softirqs last disabled at (0): 0x0 | [ 565.046523][T10948] Preemption disabled at: | [ 565.046524][T10948] vprintk_emit (kernel/printk/printk.c:2471) | [ 565.046534][T10948] Tainted: [W]=WARN [ 565.046535][T10948] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 565.046537][T10948] Call Trace: [ 565.046538][T10948] [ 565.046540][T10948] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 565.046545][T10948] ? vprintk_emit (kernel/printk/printk.c:2471) [ 565.046553][T10948] __might_resched.cold (kernel/sched/core.c:9234) [ 565.046557][T10948] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 565.046561][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046564][T10948] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 565.046567][T10948] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 565.046570][T10948] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 565.046575][T10948] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 565.046576][T10948] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 565.046579][T10948] put_chars (drivers/char/virtio_console.c:1176) [ 565.046581][T10948] ? __send_to_port (drivers/char/virtio_console.c:654) [ 565.046582][T10948] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 565.046584][T10948] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 565.046586][T10948] ? pointer (lib/vsprintf.c:2577) [ 565.046590][T10948] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 565.046595][T10948] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 565.046597][T10948] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 565.046599][T10948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 565.046601][T10948] console_emit_next_record (kernel/printk/printk.c:3183) [ 565.046604][T10948] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 565.046606][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046607][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046608][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046609][T10948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 565.046611][T10948] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 565.046613][T10948] console_flush_one_record (kernel/printk/printk.c:3268) [ 565.046616][T10948] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 565.046618][T10948] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 565.046620][T10948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 565.046622][T10948] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 565.046624][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046625][T10948] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 565.046626][T10948] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 565.046628][T10948] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 565.046629][T10948] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 565.046631][T10948] ? vprintk_emit (kernel/printk/printk.c:2478) [ 565.046633][T10948] vprintk_emit (kernel/printk/printk.c:2479) [ 565.046635][T10948] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 565.046636][T10948] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 565.046639][T10948] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 565.046642][T10948] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 565.046644][T10948] _printk (kernel/printk/printk.c:2504) [ 565.046647][T10948] ? snapshot_read.cold (user.c:?) [ 565.046649][T10948] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 565.046652][T10948] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 565.046655][T10948] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 565.046657][T10948] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 565.046660][T10948] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 565.046662][T10948] ? netdev_notice (net/core/dev.c:13194) [ 565.046664][T10948] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 565.046666][T10948] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 565.046669][T10948] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 565.046670][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046671][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046672][T10948] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 565.046674][T10948] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 565.046675][T10948] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 565.046676][T10948] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 565.046678][T10948] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 565.046679][T10948] ? register_netdev (net/core/dev.c:11618) [ 565.046681][T10948] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 565.046683][T10948] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 565.046685][T10948] ? __kernel_text_address (kernel/extable.c:79) [ 565.046688][T10948] ? write_profile (profile.c:?) [ 565.046691][T10948] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 565.046694][T10948] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 565.046696][T10948] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 565.046698][T10948] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 565.046699][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046700][T10948] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 565.046703][T10948] ? kasan_save_stack (mm/kasan/common.c:58) [ 565.046705][T10948] ? kasan_save_stack (mm/kasan/common.c:57) [ 565.046706][T10948] ? kasan_save_track (mm/kasan/common.c:78) [ 565.046707][T10948] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 565.046708][T10948] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 565.046710][T10948] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 565.046711][T10948] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 565.046712][T10948] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 565.046715][T10948] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 565.046717][T10948] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 565.046719][T10948] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 565.046721][T10948] ? ____sys_sendmsg (net/socket.c:2713) [ 565.046723][T10948] ? ___sys_sendmsg (net/socket.c:2767) [ 565.046724][T10948] ? __sys_sendmsg (net/socket.c:2799) [ 565.046726][T10948] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 565.046728][T10948] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 565.046730][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046732][T10948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 565.046733][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046734][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046735][T10948] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 565.046737][T10948] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 565.046738][T10948] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 565.046740][T10948] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 565.046741][T10948] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 565.046742][T10948] ? nla_get_range_signed (lib/nlattr.c:270) [ 565.046746][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046747][T10948] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 565.046749][T10948] rtnl_newlink (net/core/rtnetlink.c:4215) [ 565.046751][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046752][T10948] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 565.046754][T10948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 565.046755][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046756][T10948] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 565.046759][T10948] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 565.046760][T10948] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 565.046762][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046763][T10948] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 565.046766][T10948] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 565.046769][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046770][T10948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 565.046771][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046773][T10948] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 565.046774][T10948] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 565.046776][T10948] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 565.046777][T10948] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 565.046779][T10948] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 565.046781][T10948] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 565.046783][T10948] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 565.046784][T10948] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 565.046786][T10948] ? netlink_ack (./include/linux/skbuff.h:2718) [ 565.046787][T10948] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 565.046790][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046791][T10948] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 565.046793][T10948] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 565.046796][T10948] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 565.046797][T10948] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 565.046799][T10948] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 565.046802][T10948] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 565.046803][T10948] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 565.046805][T10948] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 565.046806][T10948] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 565.046810][T10948] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 565.046812][T10948] ____sys_sendmsg (net/socket.c:2713) [ 565.046813][T10948] ? copy_msghdr_from_user (net/socket.c:2650) [ 565.046815][T10948] ? sock_write_iter (net/socket.c:1269) [ 565.046816][T10948] ? move_addr_to_kernel (net/socket.c:258) [ 565.046818][T10948] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 565.046821][T10948] ___sys_sendmsg (net/socket.c:2767) [ 565.046822][T10948] ? copy_msghdr_from_user (net/socket.c:2619) [ 565.046827][T10948] __sys_sendmsg (net/socket.c:2799) [ 565.046829][T10948] ? __sys_sendmsg_sock (net/socket.c:2780) [ 565.046832][T10948] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 565.046834][T10948] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 565.046836][T10948] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 565.046838][T10948] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 565.046839][T10948] RIP: 0033:0x7fb06e43554e [ 565.046841][T10948] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 565.046843][T10948] RSP: 002b:00007ffc88c21d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 565.046846][T10948] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fb06e43554e [ 565.046848][T10948] RDX: 0000000000000000 RSI: 00007ffc88c21db0 RDI: 0000000000000005 [ 565.046849][T10948] RBP: 00007ffc88c21d10 R08: 0000000000000000 R09: 0000000000000000 [ 565.046849][T10948] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c3e [ 565.046850][T10948] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc88c22480 | [ 573.110807][T11091] softirqs last disabled at (0): 0x0 | [ 573.110809][T11091] Preemption disabled at: | [ 573.110809][T11091] vprintk_emit (kernel/printk/printk.c:2471) | [ 573.110820][T11091] Tainted: [W]=WARN [ 573.110821][T11091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 573.110823][T11091] Call Trace: [ 573.110824][T11091] [ 573.110825][T11091] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 573.110831][T11091] ? vprintk_emit (kernel/printk/printk.c:2471) [ 573.110832][T11091] __might_resched.cold (kernel/sched/core.c:9234) [ 573.110836][T11091] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 573.110840][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.110843][T11091] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 573.110846][T11091] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 573.110849][T11091] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 573.110854][T11091] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 573.110856][T11091] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 573.110859][T11091] put_chars (drivers/char/virtio_console.c:1176) [ 573.110860][T11091] ? __send_to_port (drivers/char/virtio_console.c:654) [ 573.110861][T11091] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 573.110864][T11091] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 573.110866][T11091] ? pointer (lib/vsprintf.c:2577) [ 573.110870][T11091] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 573.110875][T11091] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 573.110876][T11091] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 573.110878][T11091] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.110881][T11091] console_emit_next_record (kernel/printk/printk.c:3183) [ 573.110884][T11091] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 573.110886][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.110887][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.110888][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.110889][T11091] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.110891][T11091] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 573.110893][T11091] console_flush_one_record (kernel/printk/printk.c:3268) [ 573.110895][T11091] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 573.110898][T11091] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 573.110900][T11091] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.110902][T11091] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 573.110904][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.110905][T11091] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 573.110906][T11091] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 573.110908][T11091] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 573.110910][T11091] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 573.110912][T11091] ? vprintk_emit (kernel/printk/printk.c:2478) [ 573.110913][T11091] vprintk_emit (kernel/printk/printk.c:2479) [ 573.110915][T11091] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 573.110917][T11091] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 573.110919][T11091] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 573.110922][T11091] _printk (kernel/printk/printk.c:2504) [ 573.110925][T11091] ? snapshot_read.cold (user.c:?) [ 573.110927][T11091] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 573.110929][T11091] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 573.110933][T11091] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 573.110934][T11091] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 573.110938][T11091] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 573.110940][T11091] ? netdev_notice (net/core/dev.c:13194) [ 573.110942][T11091] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 573.110944][T11091] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 573.110947][T11091] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 573.110948][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.110949][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.110951][T11091] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 573.110954][T11091] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 573.110955][T11091] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 573.110957][T11091] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 573.110958][T11091] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 573.110960][T11091] ? register_netdev (net/core/dev.c:11618) [ 573.110961][T11091] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 573.110964][T11091] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 573.110966][T11091] ? __kernel_text_address (kernel/extable.c:79) [ 573.110969][T11091] ? write_profile (profile.c:?) [ 573.110972][T11091] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 573.110976][T11091] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 573.110978][T11091] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 573.110980][T11091] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 573.110981][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.110982][T11091] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 573.110986][T11091] ? kasan_save_stack (mm/kasan/common.c:58) [ 573.110988][T11091] ? kasan_save_stack (mm/kasan/common.c:57) [ 573.110989][T11091] ? kasan_save_track (mm/kasan/common.c:78) [ 573.110990][T11091] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 573.110991][T11091] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 573.110992][T11091] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 573.110993][T11091] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 573.110998][T11091] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 573.111001][T11091] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 573.111003][T11091] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 573.111004][T11091] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 573.111007][T11091] ? ____sys_sendmsg (net/socket.c:2713) [ 573.111009][T11091] ? ___sys_sendmsg (net/socket.c:2767) [ 573.111010][T11091] ? __sys_sendmsg (net/socket.c:2799) [ 573.111012][T11091] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 573.111015][T11091] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 573.111017][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.111019][T11091] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.111020][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.111021][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.111022][T11091] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 573.111024][T11091] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 573.111025][T11091] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 573.111026][T11091] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 573.111028][T11091] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 573.111029][T11091] ? nla_get_range_signed (lib/nlattr.c:270) [ 573.111033][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.111034][T11091] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 573.111036][T11091] rtnl_newlink (net/core/rtnetlink.c:4215) [ 573.111038][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.111040][T11091] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 573.111041][T11091] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.111042][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.111044][T11091] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 573.111046][T11091] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 573.111048][T11091] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 573.111049][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.111050][T11091] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 573.111054][T11091] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 573.111056][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.111058][T11091] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.111059][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.111060][T11091] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 573.111062][T11091] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 573.111064][T11091] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 573.111065][T11091] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 573.111067][T11091] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 573.111069][T11091] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 573.111071][T11091] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 573.111072][T11091] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 573.111074][T11091] ? netlink_ack (./include/linux/skbuff.h:2718) [ 573.111076][T11091] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 573.111079][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.111080][T11091] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 573.111082][T11091] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 573.111085][T11091] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 573.111087][T11091] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 573.111089][T11091] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 573.111092][T11091] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 573.111094][T11091] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 573.111095][T11091] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 573.111097][T11091] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 573.111100][T11091] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 573.111102][T11091] ____sys_sendmsg (net/socket.c:2713) [ 573.111104][T11091] ? copy_msghdr_from_user (net/socket.c:2650) [ 573.111106][T11091] ? sock_write_iter (net/socket.c:1269) [ 573.111107][T11091] ? move_addr_to_kernel (net/socket.c:258) [ 573.111109][T11091] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 573.111112][T11091] ___sys_sendmsg (net/socket.c:2767) [ 573.111113][T11091] ? copy_msghdr_from_user (net/socket.c:2619) [ 573.111119][T11091] __sys_sendmsg (net/socket.c:2799) [ 573.111121][T11091] ? __sys_sendmsg_sock (net/socket.c:2780) [ 573.111124][T11091] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 573.111125][T11091] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 573.111127][T11091] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 573.111129][T11091] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 573.111131][T11091] RIP: 0033:0x7fc6083af54e [ 573.111133][T11091] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 573.111135][T11091] RSP: 002b:00007ffe0139bae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 573.111139][T11091] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fc6083af54e [ 573.111140][T11091] RDX: 0000000000000000 RSI: 00007ffe0139bb90 RDI: 0000000000000005 [ 573.111141][T11091] RBP: 00007ffe0139baf0 R08: 0000000000000000 R09: 0000000000000000 [ 573.111142][T11091] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c46 [ 573.111143][T11091] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0139c260 | [ 581.011983][T11234] softirqs last disabled at (0): 0x0 | [ 581.011984][T11234] Preemption disabled at: | [ 581.011985][T11234] vprintk_emit (kernel/printk/printk.c:2471) | [ 581.011998][T11234] Tainted: [W]=WARN [ 581.011999][T11234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 581.012001][T11234] Call Trace: [ 581.012002][T11234] [ 581.012004][T11234] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 581.012009][T11234] ? vprintk_emit (kernel/printk/printk.c:2471) [ 581.012011][T11234] __might_resched.cold (kernel/sched/core.c:9234) [ 581.012015][T11234] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 581.012018][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012021][T11234] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 581.012024][T11234] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 581.012027][T11234] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 581.012032][T11234] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 581.012034][T11234] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 581.012037][T11234] put_chars (drivers/char/virtio_console.c:1176) [ 581.012039][T11234] ? __send_to_port (drivers/char/virtio_console.c:654) [ 581.012040][T11234] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 581.012042][T11234] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 581.012045][T11234] ? pointer (lib/vsprintf.c:2577) [ 581.012049][T11234] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 581.012054][T11234] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 581.012056][T11234] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 581.012057][T11234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.012060][T11234] console_emit_next_record (kernel/printk/printk.c:3183) [ 581.012063][T11234] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 581.012065][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012066][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012067][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012068][T11234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.012070][T11234] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 581.012072][T11234] console_flush_one_record (kernel/printk/printk.c:3268) [ 581.012075][T11234] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 581.012078][T11234] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 581.012080][T11234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.012081][T11234] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 581.012083][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012084][T11234] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 581.012086][T11234] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 581.012088][T11234] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 581.012089][T11234] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 581.012091][T11234] ? vprintk_emit (kernel/printk/printk.c:2478) [ 581.012093][T11234] vprintk_emit (kernel/printk/printk.c:2479) [ 581.012095][T11234] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 581.012096][T11234] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 581.012099][T11234] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 581.012102][T11234] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 581.012104][T11234] _printk (kernel/printk/printk.c:2504) [ 581.012107][T11234] ? snapshot_read.cold (user.c:?) [ 581.012109][T11234] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 581.012112][T11234] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 581.012115][T11234] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 581.012117][T11234] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 581.012120][T11234] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 581.012122][T11234] ? netdev_notice (net/core/dev.c:13194) [ 581.012125][T11234] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 581.012126][T11234] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 581.012129][T11234] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 581.012131][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012132][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012133][T11234] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 581.012135][T11234] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 581.012136][T11234] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 581.012138][T11234] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 581.012139][T11234] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 581.012141][T11234] ? register_netdev (net/core/dev.c:11618) [ 581.012142][T11234] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 581.012144][T11234] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 581.012147][T11234] ? __kernel_text_address (kernel/extable.c:79) [ 581.012149][T11234] ? write_profile (profile.c:?) [ 581.012152][T11234] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 581.012156][T11234] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 581.012158][T11234] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 581.012160][T11234] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 581.012161][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012162][T11234] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 581.012166][T11234] ? kasan_save_stack (mm/kasan/common.c:58) [ 581.012167][T11234] ? kasan_save_stack (mm/kasan/common.c:57) [ 581.012168][T11234] ? kasan_save_track (mm/kasan/common.c:78) [ 581.012170][T11234] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 581.012171][T11234] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 581.012172][T11234] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 581.012173][T11234] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 581.012174][T11234] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 581.012178][T11234] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 581.012179][T11234] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 581.012181][T11234] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 581.012183][T11234] ? ____sys_sendmsg (net/socket.c:2713) [ 581.012185][T11234] ? ___sys_sendmsg (net/socket.c:2767) [ 581.012186][T11234] ? __sys_sendmsg (net/socket.c:2799) [ 581.012188][T11234] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 581.012191][T11234] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 581.012193][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012194][T11234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.012196][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012197][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012198][T11234] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 581.012199][T11234] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 581.012201][T11234] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 581.012202][T11234] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 581.012204][T11234] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 581.012205][T11234] ? nla_get_range_signed (lib/nlattr.c:270) [ 581.012208][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012210][T11234] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 581.012212][T11234] rtnl_newlink (net/core/rtnetlink.c:4215) [ 581.012214][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012215][T11234] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 581.012216][T11234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.012218][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012219][T11234] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 581.012222][T11234] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 581.012223][T11234] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 581.012224][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012226][T11234] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 581.012229][T11234] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 581.012231][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012232][T11234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.012234][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012235][T11234] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 581.012237][T11234] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 581.012238][T11234] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 581.012240][T11234] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 581.012241][T11234] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 581.012244][T11234] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 581.012246][T11234] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 581.012247][T11234] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 581.012249][T11234] ? netlink_ack (./include/linux/skbuff.h:2718) [ 581.012250][T11234] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 581.012253][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012254][T11234] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 581.012257][T11234] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 581.012259][T11234] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 581.012261][T11234] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 581.012263][T11234] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 581.012265][T11234] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 581.012266][T11234] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 581.012268][T11234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 581.012270][T11234] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 581.012273][T11234] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 581.012275][T11234] ____sys_sendmsg (net/socket.c:2713) [ 581.012277][T11234] ? copy_msghdr_from_user (net/socket.c:2650) [ 581.012278][T11234] ? sock_write_iter (net/socket.c:1269) [ 581.012280][T11234] ? move_addr_to_kernel (net/socket.c:258) [ 581.012282][T11234] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 581.012284][T11234] ___sys_sendmsg (net/socket.c:2767) [ 581.012286][T11234] ? copy_msghdr_from_user (net/socket.c:2619) [ 581.012291][T11234] __sys_sendmsg (net/socket.c:2799) [ 581.012293][T11234] ? __sys_sendmsg_sock (net/socket.c:2780) [ 581.012296][T11234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 581.012298][T11234] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 581.012300][T11234] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 581.012301][T11234] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 581.012303][T11234] RIP: 0033:0x7f2f8c54154e [ 581.012305][T11234] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 581.012307][T11234] RSP: 002b:00007ffc0653b190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 581.012310][T11234] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f2f8c54154e [ 581.012312][T11234] RDX: 0000000000000000 RSI: 00007ffc0653b240 RDI: 0000000000000005 [ 581.012313][T11234] RBP: 00007ffc0653b1a0 R08: 0000000000000000 R09: 0000000000000000 [ 581.012314][T11234] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c4e [ 581.012315][T11234] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0653b910 | [ 588.976219][T11377] softirqs last disabled at (0): 0x0 | [ 588.976220][T11377] Preemption disabled at: | [ 588.976221][T11377] vprintk_emit (kernel/printk/printk.c:2471) | [ 588.976232][T11377] Tainted: [W]=WARN [ 588.976233][T11377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 588.976235][T11377] Call Trace: [ 588.976237][T11377] [ 588.976238][T11377] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 588.976244][T11377] ? vprintk_emit (kernel/printk/printk.c:2471) [ 588.976245][T11377] __might_resched.cold (kernel/sched/core.c:9234) [ 588.976249][T11377] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 588.976253][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976256][T11377] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 588.976259][T11377] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 588.976262][T11377] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 588.976267][T11377] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 588.976269][T11377] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 588.976272][T11377] put_chars (drivers/char/virtio_console.c:1176) [ 588.976273][T11377] ? __send_to_port (drivers/char/virtio_console.c:654) [ 588.976275][T11377] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 588.976277][T11377] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 588.976279][T11377] ? pointer (lib/vsprintf.c:2577) [ 588.976283][T11377] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 588.976288][T11377] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 588.976290][T11377] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 588.976292][T11377] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 588.976295][T11377] console_emit_next_record (kernel/printk/printk.c:3183) [ 588.976297][T11377] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 588.976300][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976301][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976302][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976303][T11377] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 588.976305][T11377] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 588.976307][T11377] console_flush_one_record (kernel/printk/printk.c:3268) [ 588.976309][T11377] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 588.976312][T11377] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 588.976314][T11377] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 588.976316][T11377] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 588.976318][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976319][T11377] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 588.976320][T11377] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 588.976322][T11377] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 588.976323][T11377] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 588.976326][T11377] ? vprintk_emit (kernel/printk/printk.c:2478) [ 588.976327][T11377] vprintk_emit (kernel/printk/printk.c:2479) [ 588.976329][T11377] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 588.976330][T11377] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 588.976333][T11377] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 588.976336][T11377] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 588.976338][T11377] _printk (kernel/printk/printk.c:2504) [ 588.976342][T11377] ? snapshot_read.cold (user.c:?) [ 588.976344][T11377] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 588.976346][T11377] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 588.976349][T11377] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 588.976351][T11377] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 588.976354][T11377] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 588.976357][T11377] ? netdev_notice (net/core/dev.c:13194) [ 588.976359][T11377] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 588.976361][T11377] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 588.976363][T11377] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 588.976365][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976366][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976367][T11377] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 588.976369][T11377] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 588.976370][T11377] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 588.976372][T11377] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 588.976373][T11377] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 588.976375][T11377] ? register_netdev (net/core/dev.c:11618) [ 588.976376][T11377] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 588.976378][T11377] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 588.976381][T11377] ? __kernel_text_address (kernel/extable.c:79) [ 588.976384][T11377] ? write_profile (profile.c:?) [ 588.976387][T11377] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 588.976391][T11377] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 588.976393][T11377] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 588.976394][T11377] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 588.976395][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976397][T11377] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 588.976400][T11377] ? kasan_save_stack (mm/kasan/common.c:58) [ 588.976402][T11377] ? kasan_save_stack (mm/kasan/common.c:57) [ 588.976403][T11377] ? kasan_save_track (mm/kasan/common.c:78) [ 588.976404][T11377] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 588.976406][T11377] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 588.976407][T11377] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 588.976408][T11377] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 588.976409][T11377] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 588.976412][T11377] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 588.976414][T11377] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 588.976415][T11377] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 588.976418][T11377] ? ____sys_sendmsg (net/socket.c:2713) [ 588.976420][T11377] ? ___sys_sendmsg (net/socket.c:2767) [ 588.976421][T11377] ? __sys_sendmsg (net/socket.c:2799) [ 588.976423][T11377] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 588.976425][T11377] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 588.976428][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976429][T11377] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 588.976431][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976432][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976433][T11377] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 588.976435][T11377] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 588.976436][T11377] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 588.976437][T11377] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 588.976439][T11377] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 588.976440][T11377] ? nla_get_range_signed (lib/nlattr.c:270) [ 588.976444][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976445][T11377] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 588.976447][T11377] rtnl_newlink (net/core/rtnetlink.c:4215) [ 588.976449][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976450][T11377] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 588.976451][T11377] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 588.976453][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976454][T11377] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 588.976457][T11377] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 588.976458][T11377] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 588.976460][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976461][T11377] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 588.976464][T11377] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 588.976467][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976468][T11377] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 588.976470][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976471][T11377] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 588.976472][T11377] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 588.976474][T11377] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 588.976475][T11377] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 588.976477][T11377] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 588.976480][T11377] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 588.976481][T11377] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 588.976483][T11377] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 588.976484][T11377] ? netlink_ack (./include/linux/skbuff.h:2718) [ 588.976486][T11377] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 588.976489][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976490][T11377] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 588.976492][T11377] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 588.976495][T11377] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 588.976497][T11377] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 588.976499][T11377] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 588.976501][T11377] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 588.976502][T11377] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 588.976504][T11377] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 588.976506][T11377] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 588.976509][T11377] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 588.976511][T11377] ____sys_sendmsg (net/socket.c:2713) [ 588.976513][T11377] ? copy_msghdr_from_user (net/socket.c:2650) [ 588.976514][T11377] ? sock_write_iter (net/socket.c:1269) [ 588.976516][T11377] ? move_addr_to_kernel (net/socket.c:258) [ 588.976517][T11377] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 588.976520][T11377] ___sys_sendmsg (net/socket.c:2767) [ 588.976522][T11377] ? copy_msghdr_from_user (net/socket.c:2619) [ 588.976527][T11377] __sys_sendmsg (net/socket.c:2799) [ 588.976529][T11377] ? __sys_sendmsg_sock (net/socket.c:2780) [ 588.976532][T11377] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 588.976534][T11377] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 588.976535][T11377] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 588.976537][T11377] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 588.976539][T11377] RIP: 0033:0x7fda9da5254e [ 588.976541][T11377] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 588.976543][T11377] RSP: 002b:00007ffee9597fd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 588.976546][T11377] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fda9da5254e [ 588.976548][T11377] RDX: 0000000000000000 RSI: 00007ffee9598080 RDI: 0000000000000005 [ 588.976549][T11377] RBP: 00007ffee9597fe0 R08: 0000000000000000 R09: 0000000000000000 [ 588.976550][T11377] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c56 [ 588.976550][T11377] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee9598750 | [ 597.023123][T11520] softirqs last disabled at (0): 0x0 | [ 597.023125][T11520] Preemption disabled at: | [ 597.023126][T11520] vprintk_emit (kernel/printk/printk.c:2471) | [ 597.023136][T11520] Tainted: [W]=WARN [ 597.023137][T11520] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 597.023139][T11520] Call Trace: [ 597.023140][T11520] [ 597.023141][T11520] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 597.023147][T11520] ? vprintk_emit (kernel/printk/printk.c:2471) [ 597.023149][T11520] __might_resched.cold (kernel/sched/core.c:9234) [ 597.023153][T11520] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 597.023156][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023159][T11520] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 597.023162][T11520] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 597.023165][T11520] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 597.023170][T11520] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 597.023172][T11520] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 597.023174][T11520] put_chars (drivers/char/virtio_console.c:1176) [ 597.023176][T11520] ? __send_to_port (drivers/char/virtio_console.c:654) [ 597.023177][T11520] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 597.023180][T11520] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 597.023182][T11520] ? pointer (lib/vsprintf.c:2577) [ 597.023186][T11520] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 597.023191][T11520] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 597.023192][T11520] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 597.023194][T11520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 597.023197][T11520] console_emit_next_record (kernel/printk/printk.c:3183) [ 597.023200][T11520] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 597.023202][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023203][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023204][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023205][T11520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 597.023207][T11520] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 597.023209][T11520] console_flush_one_record (kernel/printk/printk.c:3268) [ 597.023212][T11520] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 597.023215][T11520] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 597.023216][T11520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 597.023218][T11520] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 597.023220][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023221][T11520] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 597.023223][T11520] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 597.023224][T11520] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 597.023226][T11520] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 597.023228][T11520] ? vprintk_emit (kernel/printk/printk.c:2478) [ 597.023230][T11520] vprintk_emit (kernel/printk/printk.c:2479) [ 597.023231][T11520] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 597.023233][T11520] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 597.023235][T11520] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 597.023238][T11520] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 597.023240][T11520] _printk (kernel/printk/printk.c:2504) [ 597.023244][T11520] ? snapshot_read.cold (user.c:?) [ 597.023246][T11520] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 597.023248][T11520] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 597.023252][T11520] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 597.023254][T11520] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 597.023257][T11520] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 597.023259][T11520] ? netdev_notice (net/core/dev.c:13194) [ 597.023261][T11520] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 597.023263][T11520] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 597.023266][T11520] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 597.023268][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023269][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023270][T11520] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 597.023271][T11520] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 597.023273][T11520] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 597.023274][T11520] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 597.023276][T11520] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 597.023278][T11520] ? register_netdev (net/core/dev.c:11618) [ 597.023279][T11520] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 597.023281][T11520] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 597.023284][T11520] ? __kernel_text_address (kernel/extable.c:79) [ 597.023287][T11520] ? write_profile (profile.c:?) [ 597.023290][T11520] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 597.023294][T11520] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 597.023296][T11520] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 597.023297][T11520] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 597.023299][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023300][T11520] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 597.023303][T11520] ? kasan_save_stack (mm/kasan/common.c:58) [ 597.023305][T11520] ? kasan_save_stack (mm/kasan/common.c:57) [ 597.023306][T11520] ? kasan_save_track (mm/kasan/common.c:78) [ 597.023307][T11520] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 597.023308][T11520] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 597.023309][T11520] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 597.023311][T11520] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 597.023312][T11520] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 597.023315][T11520] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 597.023317][T11520] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 597.023318][T11520] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 597.023321][T11520] ? ____sys_sendmsg (net/socket.c:2713) [ 597.023322][T11520] ? ___sys_sendmsg (net/socket.c:2767) [ 597.023324][T11520] ? __sys_sendmsg (net/socket.c:2799) [ 597.023325][T11520] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 597.023328][T11520] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 597.023330][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023332][T11520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 597.023333][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023334][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023335][T11520] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 597.023337][T11520] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 597.023338][T11520] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 597.023339][T11520] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 597.023341][T11520] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 597.023342][T11520] ? nla_get_range_signed (lib/nlattr.c:270) [ 597.023346][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023347][T11520] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 597.023349][T11520] rtnl_newlink (net/core/rtnetlink.c:4215) [ 597.023351][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023352][T11520] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 597.023353][T11520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 597.023355][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023356][T11520] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 597.023359][T11520] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 597.023360][T11520] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 597.023362][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023363][T11520] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 597.023366][T11520] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 597.023369][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023370][T11520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 597.023371][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023373][T11520] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 597.023374][T11520] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 597.023376][T11520] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 597.023377][T11520] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 597.023379][T11520] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 597.023381][T11520] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 597.023383][T11520] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 597.023384][T11520] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 597.023386][T11520] ? netlink_ack (./include/linux/skbuff.h:2718) [ 597.023388][T11520] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 597.023391][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023392][T11520] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 597.023394][T11520] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 597.023396][T11520] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 597.023398][T11520] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 597.023400][T11520] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 597.023403][T11520] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 597.023404][T11520] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 597.023406][T11520] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 597.023408][T11520] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 597.023411][T11520] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 597.023413][T11520] ____sys_sendmsg (net/socket.c:2713) [ 597.023415][T11520] ? copy_msghdr_from_user (net/socket.c:2650) [ 597.023416][T11520] ? sock_write_iter (net/socket.c:1269) [ 597.023418][T11520] ? move_addr_to_kernel (net/socket.c:258) [ 597.023420][T11520] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 597.023422][T11520] ___sys_sendmsg (net/socket.c:2767) [ 597.023424][T11520] ? copy_msghdr_from_user (net/socket.c:2619) [ 597.023429][T11520] __sys_sendmsg (net/socket.c:2799) [ 597.023432][T11520] ? __sys_sendmsg_sock (net/socket.c:2780) [ 597.023434][T11520] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 597.023436][T11520] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 597.023438][T11520] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 597.023440][T11520] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 597.023441][T11520] RIP: 0033:0x7f1f1950654e [ 597.023443][T11520] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 597.023445][T11520] RSP: 002b:00007fffc0261b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 597.023449][T11520] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f1f1950654e [ 597.023450][T11520] RDX: 0000000000000000 RSI: 00007fffc0261bb0 RDI: 0000000000000005 [ 597.023451][T11520] RBP: 00007fffc0261b10 R08: 0000000000000000 R09: 0000000000000000 [ 597.023452][T11520] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c5e [ 597.023453][T11520] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffc0262280 | [ 605.061850][T11663] softirqs last disabled at (0): 0x0 | [ 605.061852][T11663] Preemption disabled at: | [ 605.061854][T11663] vprintk_emit (kernel/printk/printk.c:2471) | [ 605.061868][T11663] Tainted: [W]=WARN [ 605.061869][T11663] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 605.061872][T11663] Call Trace: [ 605.061874][T11663] [ 605.061876][T11663] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 605.061883][T11663] ? vprintk_emit (kernel/printk/printk.c:2471) [ 605.061885][T11663] __might_resched.cold (kernel/sched/core.c:9234) [ 605.061890][T11663] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 605.061895][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.061899][T11663] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 605.061903][T11663] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 605.061908][T11663] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 605.061914][T11663] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 605.061917][T11663] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 605.061921][T11663] put_chars (drivers/char/virtio_console.c:1176) [ 605.061924][T11663] ? __send_to_port (drivers/char/virtio_console.c:654) [ 605.061926][T11663] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 605.061930][T11663] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 605.061933][T11663] ? pointer (lib/vsprintf.c:2577) [ 605.061938][T11663] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 605.061945][T11663] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 605.061948][T11663] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 605.061951][T11663] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 605.061955][T11663] console_emit_next_record (kernel/printk/printk.c:3183) [ 605.061959][T11663] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 605.061963][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.061965][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.061967][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.061969][T11663] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 605.061972][T11663] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 605.061975][T11663] console_flush_one_record (kernel/printk/printk.c:3268) [ 605.061979][T11663] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 605.061984][T11663] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 605.061987][T11663] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 605.061990][T11663] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 605.061992][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.061998][T11663] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 605.062001][T11663] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 605.062003][T11663] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 605.062006][T11663] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 605.062009][T11663] ? vprintk_emit (kernel/printk/printk.c:2478) [ 605.062012][T11663] vprintk_emit (kernel/printk/printk.c:2479) [ 605.062015][T11663] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 605.062018][T11663] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 605.062021][T11663] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 605.062025][T11663] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 605.062029][T11663] _printk (kernel/printk/printk.c:2504) [ 605.062034][T11663] ? snapshot_read.cold (user.c:?) [ 605.062037][T11663] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 605.062041][T11663] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 605.062045][T11663] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 605.062049][T11663] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 605.062053][T11663] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 605.062056][T11663] ? netdev_notice (net/core/dev.c:13194) [ 605.062060][T11663] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 605.062062][T11663] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 605.062066][T11663] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 605.062069][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.062071][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.062073][T11663] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 605.062075][T11663] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 605.062078][T11663] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 605.062081][T11663] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 605.062083][T11663] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 605.062086][T11663] ? register_netdev (net/core/dev.c:11618) [ 605.062089][T11663] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 605.062093][T11663] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 605.062097][T11663] ? __kernel_text_address (kernel/extable.c:79) [ 605.062100][T11663] ? write_profile (profile.c:?) [ 605.062104][T11663] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 605.062110][T11663] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 605.062113][T11663] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 605.062116][T11663] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 605.062118][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.062120][T11663] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 605.062126][T11663] ? kasan_save_stack (mm/kasan/common.c:58) [ 605.062129][T11663] ? kasan_save_stack (mm/kasan/common.c:57) [ 605.062131][T11663] ? kasan_save_track (mm/kasan/common.c:78) [ 605.062133][T11663] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 605.062135][T11663] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 605.062137][T11663] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 605.062139][T11663] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 605.062142][T11663] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 605.062146][T11663] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 605.062148][T11663] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 605.062151][T11663] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 605.062154][T11663] ? ____sys_sendmsg (net/socket.c:2713) [ 605.062157][T11663] ? ___sys_sendmsg (net/socket.c:2767) [ 605.062159][T11663] ? __sys_sendmsg (net/socket.c:2799) [ 605.062162][T11663] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 605.062165][T11663] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 605.062170][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.062172][T11663] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 605.062174][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.062176][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.062178][T11663] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 605.062181][T11663] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 605.062183][T11663] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 605.062186][T11663] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 605.062189][T11663] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 605.062191][T11663] ? nla_get_range_signed (lib/nlattr.c:270) [ 605.062196][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.062198][T11663] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 605.062202][T11663] rtnl_newlink (net/core/rtnetlink.c:4215) [ 605.062206][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.062208][T11663] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 605.062211][T11663] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 605.062213][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.062216][T11663] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 605.062220][T11663] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 605.062222][T11663] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 605.062225][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.062227][T11663] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 605.062231][T11663] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 605.062235][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.062237][T11663] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 605.062240][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.062242][T11663] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 605.062244][T11663] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 605.062247][T11663] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 605.062250][T11663] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 605.062252][T11663] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 605.062257][T11663] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 605.062259][T11663] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 605.062262][T11663] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 605.062265][T11663] ? netlink_ack (./include/linux/skbuff.h:2718) [ 605.062267][T11663] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 605.062272][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.062275][T11663] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 605.062278][T11663] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 605.062282][T11663] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 605.062285][T11663] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 605.062289][T11663] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 605.062292][T11663] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 605.062295][T11663] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 605.062298][T11663] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 605.062301][T11663] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 605.062305][T11663] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 605.062309][T11663] ____sys_sendmsg (net/socket.c:2713) [ 605.062312][T11663] ? copy_msghdr_from_user (net/socket.c:2650) [ 605.062315][T11663] ? sock_write_iter (net/socket.c:1269) [ 605.062318][T11663] ? move_addr_to_kernel (net/socket.c:258) [ 605.062321][T11663] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 605.062325][T11663] ___sys_sendmsg (net/socket.c:2767) [ 605.062329][T11663] ? copy_msghdr_from_user (net/socket.c:2619) [ 605.062337][T11663] __sys_sendmsg (net/socket.c:2799) [ 605.062341][T11663] ? __sys_sendmsg_sock (net/socket.c:2780) [ 605.062346][T11663] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 605.062349][T11663] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 605.062351][T11663] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 605.062355][T11663] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 605.062358][T11663] RIP: 0033:0x7fcb0171b54e [ 605.062361][T11663] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 605.062363][T11663] RSP: 002b:00007ffcb15649c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 605.062368][T11663] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fcb0171b54e [ 605.062371][T11663] RDX: 0000000000000000 RSI: 00007ffcb1564a70 RDI: 0000000000000005 [ 605.062373][T11663] RBP: 00007ffcb15649d0 R08: 0000000000000000 R09: 0000000000000000 [ 605.062374][T11663] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c66 [ 605.062376][T11663] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb1565140 | [ 612.962175][T11806] softirqs last disabled at (0): 0x0 | [ 612.962177][T11806] Preemption disabled at: | [ 612.962177][T11806] vprintk_emit (kernel/printk/printk.c:2471) | [ 612.962188][T11806] Tainted: [W]=WARN [ 612.962189][T11806] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 612.962191][T11806] Call Trace: [ 612.962192][T11806] [ 612.962193][T11806] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 612.962199][T11806] ? vprintk_emit (kernel/printk/printk.c:2471) [ 612.962200][T11806] __might_resched.cold (kernel/sched/core.c:9234) [ 612.962204][T11806] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 612.962208][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962210][T11806] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 612.962213][T11806] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 612.962217][T11806] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 612.962222][T11806] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 612.962223][T11806] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 612.962226][T11806] put_chars (drivers/char/virtio_console.c:1176) [ 612.962228][T11806] ? __send_to_port (drivers/char/virtio_console.c:654) [ 612.962229][T11806] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 612.962231][T11806] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 612.962234][T11806] ? pointer (lib/vsprintf.c:2577) [ 612.962237][T11806] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 612.962242][T11806] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 612.962244][T11806] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 612.962246][T11806] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.962248][T11806] console_emit_next_record (kernel/printk/printk.c:3183) [ 612.962251][T11806] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 612.962253][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962254][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962255][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962256][T11806] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.962258][T11806] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 612.962260][T11806] console_flush_one_record (kernel/printk/printk.c:3268) [ 612.962263][T11806] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 612.962266][T11806] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 612.962268][T11806] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.962269][T11806] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 612.962271][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962272][T11806] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 612.962274][T11806] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 612.962275][T11806] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 612.962277][T11806] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 612.962279][T11806] ? vprintk_emit (kernel/printk/printk.c:2478) [ 612.962281][T11806] vprintk_emit (kernel/printk/printk.c:2479) [ 612.962282][T11806] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 612.962284][T11806] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 612.962286][T11806] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 612.962290][T11806] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 612.962292][T11806] _printk (kernel/printk/printk.c:2504) [ 612.962295][T11806] ? snapshot_read.cold (user.c:?) [ 612.962297][T11806] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 612.962299][T11806] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 612.962303][T11806] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 612.962304][T11806] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 612.962308][T11806] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 612.962310][T11806] ? netdev_notice (net/core/dev.c:13194) [ 612.962312][T11806] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 612.962314][T11806] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 612.962317][T11806] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 612.962318][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962319][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962321][T11806] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 612.962322][T11806] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 612.962323][T11806] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 612.962325][T11806] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 612.962326][T11806] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 612.962328][T11806] ? register_netdev (net/core/dev.c:11618) [ 612.962329][T11806] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 612.962331][T11806] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 612.962334][T11806] ? __kernel_text_address (kernel/extable.c:79) [ 612.962337][T11806] ? write_profile (profile.c:?) [ 612.962340][T11806] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 612.962343][T11806] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 612.962345][T11806] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 612.962347][T11806] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 612.962348][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962349][T11806] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 612.962353][T11806] ? kasan_save_stack (mm/kasan/common.c:58) [ 612.962354][T11806] ? kasan_save_stack (mm/kasan/common.c:57) [ 612.962355][T11806] ? kasan_save_track (mm/kasan/common.c:78) [ 612.962357][T11806] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 612.962358][T11806] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 612.962359][T11806] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 612.962360][T11806] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 612.962361][T11806] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 612.962364][T11806] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 612.962366][T11806] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 612.962368][T11806] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 612.962370][T11806] ? ____sys_sendmsg (net/socket.c:2713) [ 612.962372][T11806] ? ___sys_sendmsg (net/socket.c:2767) [ 612.962373][T11806] ? __sys_sendmsg (net/socket.c:2799) [ 612.962375][T11806] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 612.962378][T11806] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 612.962380][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962381][T11806] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.962383][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962384][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962385][T11806] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 612.962387][T11806] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 612.962388][T11806] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 612.962389][T11806] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 612.962391][T11806] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 612.962392][T11806] ? nla_get_range_signed (lib/nlattr.c:270) [ 612.962395][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962397][T11806] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 612.962399][T11806] rtnl_newlink (net/core/rtnetlink.c:4215) [ 612.962401][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962402][T11806] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 612.962403][T11806] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.962405][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962406][T11806] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 612.962409][T11806] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 612.962410][T11806] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 612.962411][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962413][T11806] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 612.962416][T11806] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 612.962418][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962420][T11806] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.962421][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962422][T11806] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 612.962424][T11806] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 612.962425][T11806] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 612.962427][T11806] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 612.962428][T11806] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 612.962431][T11806] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 612.962433][T11806] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 612.962434][T11806] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 612.962436][T11806] ? netlink_ack (./include/linux/skbuff.h:2718) [ 612.962437][T11806] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 612.962441][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962442][T11806] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 612.962444][T11806] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 612.962446][T11806] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 612.962448][T11806] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 612.962450][T11806] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 612.962452][T11806] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 612.962454][T11806] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 612.962456][T11806] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 612.962457][T11806] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 612.962461][T11806] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 612.962462][T11806] ____sys_sendmsg (net/socket.c:2713) [ 612.962464][T11806] ? copy_msghdr_from_user (net/socket.c:2650) [ 612.962466][T11806] ? sock_write_iter (net/socket.c:1269) [ 612.962467][T11806] ? move_addr_to_kernel (net/socket.c:258) [ 612.962469][T11806] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 612.962472][T11806] ___sys_sendmsg (net/socket.c:2767) [ 612.962473][T11806] ? copy_msghdr_from_user (net/socket.c:2619) [ 612.962479][T11806] __sys_sendmsg (net/socket.c:2799) [ 612.962481][T11806] ? __sys_sendmsg_sock (net/socket.c:2780) [ 612.962483][T11806] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 612.962485][T11806] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 612.962487][T11806] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 612.962489][T11806] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 612.962490][T11806] RIP: 0033:0x7f0329f3254e [ 612.962492][T11806] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 612.962494][T11806] RSP: 002b:00007ffc98f04550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 612.962497][T11806] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f0329f3254e [ 612.962499][T11806] RDX: 0000000000000000 RSI: 00007ffc98f04600 RDI: 0000000000000005 [ 612.962500][T11806] RBP: 00007ffc98f04560 R08: 0000000000000000 R09: 0000000000000000 [ 612.962501][T11806] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c6e [ 612.962502][T11806] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc98f04cd0 | [ 621.016772][T11949] softirqs last disabled at (0): 0x0 | [ 621.016774][T11949] Preemption disabled at: | [ 621.016776][T11949] vprintk_emit (kernel/printk/printk.c:2471) | [ 621.016789][T11949] Tainted: [W]=WARN [ 621.016790][T11949] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 621.016793][T11949] Call Trace: [ 621.016795][T11949] [ 621.016797][T11949] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 621.016804][T11949] ? vprintk_emit (kernel/printk/printk.c:2471) [ 621.016806][T11949] __might_resched.cold (kernel/sched/core.c:9234) [ 621.016811][T11949] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 621.016815][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.016819][T11949] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 621.016824][T11949] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 621.016828][T11949] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 621.016835][T11949] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 621.016837][T11949] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 621.016841][T11949] put_chars (drivers/char/virtio_console.c:1176) [ 621.016844][T11949] ? __send_to_port (drivers/char/virtio_console.c:654) [ 621.016846][T11949] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 621.016850][T11949] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 621.016853][T11949] ? pointer (lib/vsprintf.c:2577) [ 621.016858][T11949] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 621.016865][T11949] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 621.016868][T11949] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 621.016871][T11949] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.016875][T11949] console_emit_next_record (kernel/printk/printk.c:3183) [ 621.016879][T11949] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 621.016890][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.016892][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.016894][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.016896][T11949] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.016899][T11949] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 621.016902][T11949] console_flush_one_record (kernel/printk/printk.c:3268) [ 621.016906][T11949] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 621.016911][T11949] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 621.016914][T11949] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.016916][T11949] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 621.016919][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.016921][T11949] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 621.016924][T11949] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 621.016926][T11949] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 621.016929][T11949] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 621.016932][T11949] ? vprintk_emit (kernel/printk/printk.c:2478) [ 621.016935][T11949] vprintk_emit (kernel/printk/printk.c:2479) [ 621.016938][T11949] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 621.016940][T11949] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 621.016944][T11949] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 621.016948][T11949] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 621.016952][T11949] _printk (kernel/printk/printk.c:2504) [ 621.016956][T11949] ? snapshot_read.cold (user.c:?) [ 621.016960][T11949] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 621.016963][T11949] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 621.016967][T11949] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 621.016970][T11949] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 621.016975][T11949] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 621.016978][T11949] ? netdev_notice (net/core/dev.c:13194) [ 621.016982][T11949] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 621.016984][T11949] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 621.016988][T11949] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 621.016991][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.016997][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.016999][T11949] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 621.017002][T11949] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 621.017004][T11949] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 621.017007][T11949] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 621.017009][T11949] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 621.017012][T11949] ? register_netdev (net/core/dev.c:11618) [ 621.017015][T11949] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 621.017018][T11949] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 621.017022][T11949] ? __kernel_text_address (kernel/extable.c:79) [ 621.017025][T11949] ? write_profile (profile.c:?) [ 621.017030][T11949] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 621.017035][T11949] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 621.017038][T11949] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 621.017041][T11949] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 621.017043][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.017045][T11949] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 621.017050][T11949] ? kasan_save_stack (mm/kasan/common.c:58) [ 621.017053][T11949] ? kasan_save_stack (mm/kasan/common.c:57) [ 621.017055][T11949] ? kasan_save_track (mm/kasan/common.c:78) [ 621.017057][T11949] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 621.017059][T11949] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 621.017061][T11949] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 621.017063][T11949] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 621.017065][T11949] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 621.017069][T11949] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 621.017072][T11949] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 621.017075][T11949] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 621.017078][T11949] ? ____sys_sendmsg (net/socket.c:2713) [ 621.017081][T11949] ? ___sys_sendmsg (net/socket.c:2767) [ 621.017083][T11949] ? __sys_sendmsg (net/socket.c:2799) [ 621.017088][T11949] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 621.017092][T11949] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 621.017096][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.017099][T11949] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.017101][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.017103][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.017105][T11949] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 621.017107][T11949] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 621.017109][T11949] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 621.017112][T11949] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 621.017115][T11949] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 621.017117][T11949] ? nla_get_range_signed (lib/nlattr.c:270) [ 621.017121][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.017124][T11949] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 621.017127][T11949] rtnl_newlink (net/core/rtnetlink.c:4215) [ 621.017131][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.017133][T11949] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 621.017135][T11949] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.017138][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.017140][T11949] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 621.017143][T11949] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 621.017146][T11949] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 621.017148][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.017150][T11949] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 621.017155][T11949] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 621.017158][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.017160][T11949] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.017162][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.017165][T11949] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 621.017167][T11949] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 621.017170][T11949] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 621.017172][T11949] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 621.017175][T11949] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 621.017179][T11949] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 621.017181][T11949] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 621.017184][T11949] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 621.017186][T11949] ? netlink_ack (./include/linux/skbuff.h:2718) [ 621.017189][T11949] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 621.017193][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.017196][T11949] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 621.017199][T11949] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 621.017203][T11949] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 621.017206][T11949] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 621.017209][T11949] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 621.017213][T11949] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 621.017215][T11949] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 621.017218][T11949] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 621.017221][T11949] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 621.017226][T11949] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 621.017229][T11949] ____sys_sendmsg (net/socket.c:2713) [ 621.017232][T11949] ? copy_msghdr_from_user (net/socket.c:2650) [ 621.017235][T11949] ? sock_write_iter (net/socket.c:1269) [ 621.017237][T11949] ? move_addr_to_kernel (net/socket.c:258) [ 621.017240][T11949] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 621.017244][T11949] ___sys_sendmsg (net/socket.c:2767) [ 621.017247][T11949] ? copy_msghdr_from_user (net/socket.c:2619) [ 621.017256][T11949] __sys_sendmsg (net/socket.c:2799) [ 621.017259][T11949] ? __sys_sendmsg_sock (net/socket.c:2780) [ 621.017264][T11949] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 621.017266][T11949] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 621.017269][T11949] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 621.017272][T11949] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 621.017275][T11949] RIP: 0033:0x7fa85fbab54e [ 621.017278][T11949] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 621.017280][T11949] RSP: 002b:00007ffd3ee13220 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 621.017285][T11949] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fa85fbab54e [ 621.017288][T11949] RDX: 0000000000000000 RSI: 00007ffd3ee132d0 RDI: 0000000000000005 [ 621.017290][T11949] RBP: 00007ffd3ee13230 R08: 0000000000000000 R09: 0000000000000000 [ 621.017291][T11949] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c76 [ 621.017292][T11949] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3ee139a0 | [ 628.828107][T12092] softirqs last disabled at (0): 0x0 | [ 628.828108][T12092] Preemption disabled at: | [ 628.828109][T12092] vprintk_emit (kernel/printk/printk.c:2471) | [ 628.828119][T12092] Tainted: [W]=WARN [ 628.828120][T12092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 628.828122][T12092] Call Trace: [ 628.828123][T12092] [ 628.828125][T12092] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 628.828130][T12092] ? vprintk_emit (kernel/printk/printk.c:2471) [ 628.828132][T12092] __might_resched.cold (kernel/sched/core.c:9234) [ 628.828136][T12092] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 628.828139][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828142][T12092] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 628.828145][T12092] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 628.828148][T12092] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 628.828153][T12092] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 628.828155][T12092] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 628.828158][T12092] put_chars (drivers/char/virtio_console.c:1176) [ 628.828159][T12092] ? __send_to_port (drivers/char/virtio_console.c:654) [ 628.828161][T12092] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 628.828163][T12092] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 628.828165][T12092] ? pointer (lib/vsprintf.c:2577) [ 628.828169][T12092] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 628.828174][T12092] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 628.828176][T12092] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 628.828177][T12092] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.828180][T12092] console_emit_next_record (kernel/printk/printk.c:3183) [ 628.828183][T12092] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 628.828185][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828186][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828187][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828188][T12092] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.828190][T12092] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 628.828192][T12092] console_flush_one_record (kernel/printk/printk.c:3268) [ 628.828194][T12092] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 628.828197][T12092] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 628.828199][T12092] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.828201][T12092] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 628.828202][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828203][T12092] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 628.828205][T12092] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 628.828207][T12092] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 628.828208][T12092] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 628.828210][T12092] ? vprintk_emit (kernel/printk/printk.c:2478) [ 628.828212][T12092] vprintk_emit (kernel/printk/printk.c:2479) [ 628.828214][T12092] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 628.828215][T12092] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 628.828217][T12092] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 628.828221][T12092] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 628.828223][T12092] _printk (kernel/printk/printk.c:2504) [ 628.828226][T12092] ? snapshot_read.cold (user.c:?) [ 628.828228][T12092] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 628.828230][T12092] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 628.828234][T12092] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 628.828236][T12092] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 628.828239][T12092] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 628.828242][T12092] ? netdev_notice (net/core/dev.c:13194) [ 628.828244][T12092] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 628.828246][T12092] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 628.828248][T12092] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 628.828250][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828251][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828252][T12092] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 628.828254][T12092] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 628.828255][T12092] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 628.828257][T12092] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 628.828258][T12092] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 628.828260][T12092] ? register_netdev (net/core/dev.c:11618) [ 628.828261][T12092] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 628.828263][T12092] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 628.828266][T12092] ? __kernel_text_address (kernel/extable.c:79) [ 628.828268][T12092] ? write_profile (profile.c:?) [ 628.828271][T12092] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 628.828275][T12092] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 628.828277][T12092] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 628.828278][T12092] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 628.828279][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828281][T12092] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 628.828284][T12092] ? kasan_save_stack (mm/kasan/common.c:58) [ 628.828286][T12092] ? kasan_save_stack (mm/kasan/common.c:57) [ 628.828287][T12092] ? kasan_save_track (mm/kasan/common.c:78) [ 628.828288][T12092] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 628.828289][T12092] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 628.828291][T12092] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 628.828292][T12092] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 628.828293][T12092] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 628.828296][T12092] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 628.828298][T12092] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 628.828299][T12092] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 628.828302][T12092] ? ____sys_sendmsg (net/socket.c:2713) [ 628.828304][T12092] ? ___sys_sendmsg (net/socket.c:2767) [ 628.828305][T12092] ? __sys_sendmsg (net/socket.c:2799) [ 628.828307][T12092] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 628.828309][T12092] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 628.828312][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828313][T12092] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.828315][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828316][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828317][T12092] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 628.828319][T12092] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 628.828320][T12092] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 628.828321][T12092] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 628.828323][T12092] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 628.828324][T12092] ? nla_get_range_signed (lib/nlattr.c:270) [ 628.828327][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828329][T12092] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 628.828331][T12092] rtnl_newlink (net/core/rtnetlink.c:4215) [ 628.828333][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828334][T12092] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 628.828335][T12092] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.828337][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828338][T12092] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 628.828341][T12092] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 628.828342][T12092] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 628.828344][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828345][T12092] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 628.828348][T12092] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 628.828351][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828352][T12092] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.828354][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828355][T12092] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 628.828356][T12092] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 628.828358][T12092] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 628.828359][T12092] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 628.828361][T12092] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 628.828365][T12092] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 628.828368][T12092] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 628.828370][T12092] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 628.828373][T12092] ? netlink_ack (./include/linux/skbuff.h:2718) [ 628.828375][T12092] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 628.828378][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828379][T12092] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 628.828381][T12092] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 628.828383][T12092] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 628.828385][T12092] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 628.828387][T12092] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 628.828390][T12092] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 628.828391][T12092] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 628.828393][T12092] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 628.828394][T12092] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 628.828398][T12092] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 628.828399][T12092] ____sys_sendmsg (net/socket.c:2713) [ 628.828401][T12092] ? copy_msghdr_from_user (net/socket.c:2650) [ 628.828403][T12092] ? sock_write_iter (net/socket.c:1269) [ 628.828404][T12092] ? move_addr_to_kernel (net/socket.c:258) [ 628.828406][T12092] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 628.828409][T12092] ___sys_sendmsg (net/socket.c:2767) [ 628.828411][T12092] ? copy_msghdr_from_user (net/socket.c:2619) [ 628.828416][T12092] __sys_sendmsg (net/socket.c:2799) [ 628.828418][T12092] ? __sys_sendmsg_sock (net/socket.c:2780) [ 628.828421][T12092] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 628.828422][T12092] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 628.828424][T12092] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 628.828426][T12092] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 628.828427][T12092] RIP: 0033:0x7fe076d3354e [ 628.828429][T12092] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 628.828431][T12092] RSP: 002b:00007fffe0fc13c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 628.828435][T12092] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe076d3354e [ 628.828436][T12092] RDX: 0000000000000000 RSI: 00007fffe0fc1470 RDI: 0000000000000005 [ 628.828437][T12092] RBP: 00007fffe0fc13d0 R08: 0000000000000000 R09: 0000000000000000 [ 628.828438][T12092] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c7e [ 628.828439][T12092] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe0fc1b40 | [ 636.901744][T12235] softirqs last disabled at (0): 0x0 | [ 636.901747][T12235] Preemption disabled at: | [ 636.901748][T12235] vprintk_emit (kernel/printk/printk.c:2471) | [ 636.901762][T12235] Tainted: [W]=WARN [ 636.901764][T12235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 636.901766][T12235] Call Trace: [ 636.901768][T12235] [ 636.901770][T12235] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 636.901777][T12235] ? vprintk_emit (kernel/printk/printk.c:2471) [ 636.901780][T12235] __might_resched.cold (kernel/sched/core.c:9234) [ 636.901785][T12235] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 636.901790][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.901794][T12235] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 636.901798][T12235] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 636.901802][T12235] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 636.901809][T12235] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 636.901812][T12235] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 636.901816][T12235] put_chars (drivers/char/virtio_console.c:1176) [ 636.901819][T12235] ? __send_to_port (drivers/char/virtio_console.c:654) [ 636.901821][T12235] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 636.901825][T12235] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 636.901828][T12235] ? pointer (lib/vsprintf.c:2577) [ 636.901834][T12235] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 636.901840][T12235] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 636.901843][T12235] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 636.901846][T12235] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 636.901850][T12235] console_emit_next_record (kernel/printk/printk.c:3183) [ 636.901854][T12235] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 636.901858][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.901860][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.901862][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.901864][T12235] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 636.901868][T12235] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 636.901871][T12235] console_flush_one_record (kernel/printk/printk.c:3268) [ 636.901875][T12235] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 636.901880][T12235] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 636.901883][T12235] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 636.901885][T12235] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 636.901888][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.901890][T12235] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 636.901893][T12235] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 636.901896][T12235] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 636.901898][T12235] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 636.901902][T12235] ? vprintk_emit (kernel/printk/printk.c:2478) [ 636.901905][T12235] vprintk_emit (kernel/printk/printk.c:2479) [ 636.901908][T12235] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 636.901910][T12235] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 636.901913][T12235] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 636.901918][T12235] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 636.901922][T12235] _printk (kernel/printk/printk.c:2504) [ 636.901926][T12235] ? snapshot_read.cold (user.c:?) [ 636.901929][T12235] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 636.901933][T12235] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 636.901937][T12235] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 636.901941][T12235] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 636.901945][T12235] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 636.901948][T12235] ? netdev_notice (net/core/dev.c:13194) [ 636.901952][T12235] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 636.901955][T12235] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 636.901959][T12235] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 636.901961][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.901963][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.901966][T12235] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 636.901968][T12235] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 636.901971][T12235] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 636.901974][T12235] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 636.901983][T12235] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 636.901986][T12235] ? register_netdev (net/core/dev.c:11618) [ 636.901989][T12235] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 636.901992][T12235] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 636.901999][T12235] ? __kernel_text_address (kernel/extable.c:79) [ 636.902003][T12235] ? write_profile (profile.c:?) [ 636.902007][T12235] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 636.902013][T12235] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 636.902016][T12235] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 636.902018][T12235] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 636.902021][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.902023][T12235] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 636.902028][T12235] ? kasan_save_stack (mm/kasan/common.c:58) [ 636.902031][T12235] ? kasan_save_stack (mm/kasan/common.c:57) [ 636.902033][T12235] ? kasan_save_track (mm/kasan/common.c:78) [ 636.902035][T12235] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 636.902038][T12235] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 636.902040][T12235] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 636.902042][T12235] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 636.902045][T12235] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 636.902049][T12235] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 636.902052][T12235] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 636.902055][T12235] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 636.902058][T12235] ? ____sys_sendmsg (net/socket.c:2713) [ 636.902061][T12235] ? ___sys_sendmsg (net/socket.c:2767) [ 636.902063][T12235] ? __sys_sendmsg (net/socket.c:2799) [ 636.902066][T12235] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 636.902070][T12235] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 636.902074][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.902077][T12235] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 636.902079][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.902081][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.902084][T12235] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 636.902086][T12235] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 636.902089][T12235] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 636.902092][T12235] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 636.902095][T12235] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 636.902097][T12235] ? nla_get_range_signed (lib/nlattr.c:270) [ 636.902102][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.902104][T12235] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 636.902108][T12235] rtnl_newlink (net/core/rtnetlink.c:4215) [ 636.902112][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.902114][T12235] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 636.902116][T12235] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 636.902119][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.902121][T12235] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 636.902125][T12235] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 636.902128][T12235] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 636.902130][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.902133][T12235] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 636.902137][T12235] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 636.902141][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.902143][T12235] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 636.902146][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.902148][T12235] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 636.902151][T12235] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 636.902154][T12235] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 636.902156][T12235] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 636.902159][T12235] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 636.902163][T12235] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 636.902166][T12235] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 636.902169][T12235] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 636.902172][T12235] ? netlink_ack (./include/linux/skbuff.h:2718) [ 636.902174][T12235] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 636.902179][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.902181][T12235] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 636.902185][T12235] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 636.902189][T12235] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 636.902192][T12235] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 636.902196][T12235] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 636.902199][T12235] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 636.902202][T12235] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 636.902205][T12235] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 636.902208][T12235] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 636.902213][T12235] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 636.902216][T12235] ____sys_sendmsg (net/socket.c:2713) [ 636.902219][T12235] ? copy_msghdr_from_user (net/socket.c:2650) [ 636.902222][T12235] ? sock_write_iter (net/socket.c:1269) [ 636.902224][T12235] ? move_addr_to_kernel (net/socket.c:258) [ 636.902227][T12235] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 636.902231][T12235] ___sys_sendmsg (net/socket.c:2767) [ 636.902235][T12235] ? copy_msghdr_from_user (net/socket.c:2619) [ 636.902243][T12235] __sys_sendmsg (net/socket.c:2799) [ 636.902247][T12235] ? __sys_sendmsg_sock (net/socket.c:2780) [ 636.902251][T12235] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 636.902254][T12235] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 636.902257][T12235] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 636.902260][T12235] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 636.902263][T12235] RIP: 0033:0x7fda74da854e [ 636.902266][T12235] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 636.902269][T12235] RSP: 002b:00007fffd3c71490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 636.902274][T12235] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fda74da854e [ 636.902276][T12235] RDX: 0000000000000000 RSI: 00007fffd3c71540 RDI: 0000000000000005 [ 636.902278][T12235] RBP: 00007fffd3c714a0 R08: 0000000000000000 R09: 0000000000000000 [ 636.902280][T12235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c86 [ 636.902282][T12235] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd3c71c10 | [ 644.648784][T12378] softirqs last disabled at (0): 0x0 | [ 644.648786][T12378] Preemption disabled at: | [ 644.648787][T12378] vprintk_emit (kernel/printk/printk.c:2471) | [ 644.648798][T12378] Tainted: [W]=WARN [ 644.648798][T12378] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 644.648800][T12378] Call Trace: [ 644.648802][T12378] [ 644.648803][T12378] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 644.648809][T12378] ? vprintk_emit (kernel/printk/printk.c:2471) [ 644.648811][T12378] __might_resched.cold (kernel/sched/core.c:9234) [ 644.648815][T12378] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 644.648818][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.648821][T12378] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 644.648824][T12378] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 644.648828][T12378] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 644.648833][T12378] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 644.648835][T12378] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 644.648837][T12378] put_chars (drivers/char/virtio_console.c:1176) [ 644.648839][T12378] ? __send_to_port (drivers/char/virtio_console.c:654) [ 644.648841][T12378] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 644.648843][T12378] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 644.648845][T12378] ? pointer (lib/vsprintf.c:2577) [ 644.648849][T12378] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 644.648854][T12378] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 644.648856][T12378] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 644.648858][T12378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 644.648860][T12378] console_emit_next_record (kernel/printk/printk.c:3183) [ 644.648863][T12378] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 644.648865][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.648866][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.648867][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.648868][T12378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 644.648871][T12378] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 644.648872][T12378] console_flush_one_record (kernel/printk/printk.c:3268) [ 644.648875][T12378] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 644.648878][T12378] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 644.648880][T12378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 644.648881][T12378] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 644.648883][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.648884][T12378] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 644.648886][T12378] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 644.648887][T12378] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 644.648889][T12378] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 644.648891][T12378] ? vprintk_emit (kernel/printk/printk.c:2478) [ 644.648893][T12378] vprintk_emit (kernel/printk/printk.c:2479) [ 644.648895][T12378] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 644.648896][T12378] ? prepare_to_wait_event (kernel/sched/wait.c:318 (discriminator 7)) [ 644.648898][T12378] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 644.648902][T12378] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 644.648904][T12378] _printk (kernel/printk/printk.c:2504) [ 644.648908][T12378] ? snapshot_read.cold (user.c:?) [ 644.648910][T12378] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 644.648912][T12378] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 644.648915][T12378] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 644.648917][T12378] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 644.648921][T12378] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 644.648923][T12378] ? netdev_notice (net/core/dev.c:13194) [ 644.648925][T12378] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 644.648927][T12378] ? __dev_change_net_namespace (net/core/dev.c:12342 net/core/dev.c:12883) [ 644.648930][T12378] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 644.648931][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.648933][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.648934][T12378] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 644.648935][T12378] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 644.648937][T12378] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 644.648938][T12378] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 644.648940][T12378] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 644.648942][T12378] ? register_netdev (net/core/dev.c:11618) [ 644.648943][T12378] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 644.648945][T12378] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 644.648948][T12378] ? __kernel_text_address (kernel/extable.c:79) [ 644.648951][T12378] ? write_profile (profile.c:?) [ 644.648954][T12378] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 644.648957][T12378] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 644.648959][T12378] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 644.648961][T12378] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 644.648962][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.648963][T12378] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 644.648967][T12378] ? kasan_save_stack (mm/kasan/common.c:58) [ 644.648969][T12378] ? kasan_save_stack (mm/kasan/common.c:57) [ 644.648970][T12378] ? kasan_save_track (mm/kasan/common.c:78) [ 644.648971][T12378] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 644.648972][T12378] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 644.648973][T12378] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 644.648975][T12378] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 644.648976][T12378] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 644.648979][T12378] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 644.648981][T12378] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 644.648983][T12378] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 644.648985][T12378] ? ____sys_sendmsg (net/socket.c:2713) [ 644.648987][T12378] ? ___sys_sendmsg (net/socket.c:2767) [ 644.648988][T12378] ? __sys_sendmsg (net/socket.c:2799) [ 644.648990][T12378] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 644.648993][T12378] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 644.648998][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.649000][T12378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 644.649001][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.649002][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.649004][T12378] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 644.649005][T12378] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 644.649006][T12378] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 644.649008][T12378] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 644.649009][T12378] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 644.649011][T12378] ? nla_get_range_signed (lib/nlattr.c:270) [ 644.649014][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.649015][T12378] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 644.649018][T12378] rtnl_newlink (net/core/rtnetlink.c:4215) [ 644.649020][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.649026][T12378] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 644.649028][T12378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 644.649030][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.649031][T12378] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 644.649034][T12378] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 644.649035][T12378] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 644.649037][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.649038][T12378] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 644.649041][T12378] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 644.649044][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.649045][T12378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 644.649047][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.649048][T12378] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 644.649050][T12378] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 644.649051][T12378] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 644.649053][T12378] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 644.649054][T12378] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 644.649057][T12378] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 644.649059][T12378] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 644.649060][T12378] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 644.649062][T12378] ? netlink_ack (./include/linux/skbuff.h:2718) [ 644.649064][T12378] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 644.649067][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.649068][T12378] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 644.649070][T12378] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 644.649072][T12378] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 644.649074][T12378] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 644.649076][T12378] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 644.649079][T12378] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 644.649080][T12378] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 644.649082][T12378] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 644.649084][T12378] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 644.649087][T12378] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 644.649089][T12378] ____sys_sendmsg (net/socket.c:2713) [ 644.649091][T12378] ? copy_msghdr_from_user (net/socket.c:2650) [ 644.649093][T12378] ? sock_write_iter (net/socket.c:1269) [ 644.649095][T12378] ? move_addr_to_kernel (net/socket.c:258) [ 644.649096][T12378] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 644.649099][T12378] ___sys_sendmsg (net/socket.c:2767) [ 644.649101][T12378] ? copy_msghdr_from_user (net/socket.c:2619) [ 644.649106][T12378] __sys_sendmsg (net/socket.c:2799) [ 644.649109][T12378] ? __sys_sendmsg_sock (net/socket.c:2780) [ 644.649113][T12378] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 644.649116][T12378] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 644.649119][T12378] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 644.649121][T12378] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 644.649123][T12378] RIP: 0033:0x7fe11e6e254e [ 644.649125][T12378] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 644.649127][T12378] RSP: 002b:00007ffd2e2277f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 644.649130][T12378] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007fe11e6e254e [ 644.649132][T12378] RDX: 0000000000000000 RSI: 00007ffd2e2278a0 RDI: 0000000000000005 [ 644.649133][T12378] RBP: 00007ffd2e227800 R08: 0000000000000000 R09: 0000000000000000 [ 644.649134][T12378] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a917c8d Finger prints: __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print