====================================== | [ 9.531703][ T191] softirqs last disabled at (62207): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.531705][ T191] Preemption disabled at: | [ 9.531706][ T191] 0x0 | [ 9.531716][ T191] Tainted: [W]=WARN [ 9.531717][ T191] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.531718][ T191] Call Trace: [ 9.531720][ T191] [ 9.531721][ T191] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.531727][ T191] __might_resched.cold (kernel/sched/core.c:9234) [ 9.531732][ T191] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.531736][ T191] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.531740][ T191] __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)) [ 9.531742][ T191] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.531749][ T191] ? 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) [ 9.531752][ T191] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.531756][ T191] put_chars (drivers/char/virtio_console.c:1176) [ 9.531758][ T191] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.531759][ T191] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.531763][ T191] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.531768][ T191] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.531775][ T191] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.531778][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.531780][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.531784][ T191] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.531788][ T191] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.531789][ T191] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 9.531793][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.531794][ T191] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.531798][ T191] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.531802][ T191] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.531804][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.531809][ T191] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.531812][ T191] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.531814][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.531815][ T191] ? 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) [ 9.531819][ T191] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.531821][ T191] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.531823][ T191] vprintk_emit (kernel/printk/printk.c:2479) [ 9.531826][ T191] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.531829][ T191] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.531833][ T191] _printk (kernel/printk/printk.c:2504) [ 9.531836][ T191] ? snapshot_read.cold (user.c:?) [ 9.531839][ T191] ? 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) [ 9.531842][ T191] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.531845][ T191] ? 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) [ 9.531848][ T191] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.531852][ T191] ? exit_notify (kernel/exit.c:780) [ 9.531853][ T191] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.531856][ T191] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.531859][ T191] do_group_exit (kernel/exit.c:1151) [ 9.531862][ T191] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.531864][ T191] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.531866][ T191] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.531870][ T191] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.531873][ T191] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.531875][ T191] RIP: 0033:0x7fae301081b8 [ 9.531877][ T191] Code: Unable to access opcode bytes at 0x7fae3010818e. Code starting with the faulting instruction =========================================== [ 9.531878][ T191] RSP: 002b:00007fffc74ba9b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.531881][ T191] RAX: ffffffffffffffda RBX: 00007fae30238f88 RCX: 00007fae301081b8 [ 9.531882][ T191] RDX: 00007fae30046ec8 RSI: ffffffffffffffa8 RDI: 0000000000000000 [ 9.531883][ T191] RBP: 00007fffc74baa10 R08: 0000000000000000 R09: 00000000000000a0 [ 9.531884][ T191] R10: 00007fffc74ba810 R11: 0000000000000246 R12: 0000000000000001 [ 9.531884][ T191] R13: 0000000000000000 R14: 00007fae30237680 R15: 00007fae30238fa0 | [ 11.036816][ T205] softirqs last disabled at (339172): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.036819][ T205] Preemption disabled at: | [ 11.036819][ T205] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.036828][ T205] Tainted: [W]=WARN [ 11.036829][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.036831][ T205] Call Trace: [ 11.036832][ T205] [ 11.036834][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.036840][ T205] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.036842][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 11.036846][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.036851][ T205] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.036855][ T205] __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)) [ 11.036857][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.036864][ T205] ? 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) [ 11.036866][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.036871][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 11.036873][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.036874][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.036878][ T205] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.036881][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.036886][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.036890][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.036896][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.036899][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.036904][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.036908][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.036910][ T205] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.036913][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.036915][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.036919][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.036924][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.036926][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.036931][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.036934][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.036936][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.036938][ T205] ? 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) [ 11.036942][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.036944][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.036946][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 11.036950][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.036951][ T205] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.036953][ T205] ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2)) [ 11.036960][ T205] dev_vprintk_emit (drivers/base/core.c:5000) [ 11.036965][ T205] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 11.036970][ T205] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.036972][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.036976][ T205] dev_printk_emit (drivers/base/core.c:5011) [ 11.036979][ T205] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 11.036982][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.036984][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.036986][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.036988][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.036990][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.036993][ T205] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 11.037000][ T205] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.037003][ T205] ? netdev_notice (net/core/dev.c:13194) [ 11.037006][ T205] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.037009][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.037011][ T205] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.037015][ T205] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.037017][ T205] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.037020][ T205] ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2)) [ 11.037024][ T205] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.037027][ T205] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.037030][ T205] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.037036][ T205] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.037039][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.037042][ T205] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.037043][ T205] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.037045][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.037047][ T205] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.037049][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.037054][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.037056][ T205] ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2)) [ 11.037057][ T205] ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242) [ 11.037061][ T205] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.037063][ T205] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.037066][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.037067][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.037069][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.037070][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.037072][ T205] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.037075][ T205] ? __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) [ 11.037077][ T205] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.037079][ T205] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.037081][ T205] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.037084][ T205] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.037086][ T205] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.037090][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.037093][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.037101][ T205] rtnl_setlink (net/core/rtnetlink.c:3596) [ 11.037104][ T205] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.037106][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.037130][ T205] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.037132][ T205] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.037135][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.037137][ T205] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.037139][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.037144][ T205] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.037146][ T205] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.037148][ T205] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.037150][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.037153][ T205] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.037156][ T205] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.037159][ T205] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.037160][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.037165][ T205] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.037167][ T205] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.037170][ T205] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.037174][ T205] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.037177][ T205] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.037183][ T205] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 11.037186][ T205] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 11.037190][ T205] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.037194][ T205] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.037198][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.037202][ T205] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.037206][ T205] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.037208][ T205] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.037211][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.037216][ T205] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.037219][ T205] ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208) [ 11.037222][ T205] __sys_sendto (net/socket.c:2281) [ 11.037226][ T205] ? __ia32_sys_getpeername (net/socket.c:2235) [ 11.037241][ T205] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 11.037243][ T205] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.037247][ T205] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.037249][ T205] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 11.037252][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.037254][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.037256][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.037259][ T205] RIP: 0033:0x7fead5b9054e [ 11.037262][ T205] 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 [ 11.037264][ T205] RSP: 002b:00007ffe5e5216b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 11.037267][ T205] RAX: ffffffffffffffda RBX: 0000558d22c317c0 RCX: 00007fead5b9054e [ 11.037268][ T205] RDX: 0000000000000030 RSI: 0000558d22ddc7e0 RDI: 0000000000000026 [ 11.037269][ T205] RBP: 00007ffe5e5216c0 R08: 00007ffe5e521710 R09: 0000000000000080 [ 11.037270][ T205] R10: 0000000000000000 R11: 0000000000000202 R12: 0000558d22de1430 [ 11.037271][ T205] R13: 00007ffe5e5217f4 R14: 0000000000000000 R15: 0000000000000000 | [ 12.061491][ T254] softirqs last disabled at (12824): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 12.061493][ T254] Preemption disabled at: | [ 12.061494][ T254] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.061502][ T254] Tainted: [W]=WARN [ 12.061503][ T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.061504][ T254] Call Trace: [ 12.061506][ T254] [ 12.061507][ T254] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.061513][ T254] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.061515][ T254] __might_resched.cold (kernel/sched/core.c:9234) [ 12.061519][ T254] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.061524][ T254] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.061528][ T254] __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)) [ 12.061530][ T254] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.061537][ T254] ? 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) [ 12.061539][ T254] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.061543][ T254] put_chars (drivers/char/virtio_console.c:1176) [ 12.061545][ T254] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.061548][ T254] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.061551][ T254] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.061553][ T254] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.061557][ T254] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.061561][ T254] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.061563][ T254] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.061565][ T254] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.061569][ T254] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.061570][ T254] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.061575][ T254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.061579][ T254] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.061583][ T254] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.061584][ T254] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.061588][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.061589][ T254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.061593][ T254] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.061597][ T254] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.061599][ T254] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.061605][ T254] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.061607][ T254] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.061609][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.061611][ T254] ? 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) [ 12.061615][ T254] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.061616][ T254] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.061619][ T254] vprintk_emit (kernel/printk/printk.c:2479) [ 12.061622][ T254] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.061624][ T254] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.061629][ T254] _printk (kernel/printk/printk.c:2504) [ 12.061632][ T254] ? snapshot_read.cold (user.c:?) [ 12.061636][ T254] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.061637][ T254] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.061641][ T254] ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84) [ 12.061645][ T254] vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1)) [ 12.061649][ T254] ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261) [ 12.061654][ T254] ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110) [ 12.061658][ T254] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 12.061663][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.061665][ T254] notifier_call_chain (kernel/notifier.c:85) [ 12.061670][ T254] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853) [ 12.061675][ T254] ? netif_change_name (net/core/dev.c:1517) [ 12.061678][ T254] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 12.061682][ T254] ? write_profile (profile.c:?) [ 12.061687][ T254] netif_change_flags (net/core/dev.c:9882) [ 12.061690][ T254] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 12.061694][ T254] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.061696][ T254] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.061697][ T254] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.061699][ T254] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.061702][ T254] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.061704][ T254] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.061706][ T254] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.061708][ T254] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.061711][ T254] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.061712][ T254] ? kasan_save_track (mm/kasan/common.c:78) [ 12.061713][ T254] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 12.061715][ T254] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.061717][ T254] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 12.061720][ T254] ? ___sys_sendmsg (net/socket.c:2758) [ 12.061724][ T254] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.061726][ T254] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.061728][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.061730][ T254] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.061732][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.061733][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.061734][ T254] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.061736][ T254] ? __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) [ 12.061739][ T254] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.061741][ T254] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.061744][ T254] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.061748][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.061750][ T254] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.061755][ T254] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.061760][ T254] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.061762][ T254] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.061766][ T254] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.061768][ T254] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.061770][ T254] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.061772][ T254] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.061775][ T254] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.061777][ T254] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.061780][ T254] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.061782][ T254] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.061786][ T254] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.061788][ T254] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.061791][ T254] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.061793][ T254] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.061796][ T254] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.061802][ T254] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.061804][ T254] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.061808][ T254] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.061812][ T254] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.061815][ T254] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.061819][ T254] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.061823][ T254] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.061827][ T254] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.061828][ T254] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 12.061834][ T254] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 12.061836][ T254] ____sys_sendmsg (net/socket.c:2713) [ 12.061839][ T254] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.061841][ T254] ? sock_write_iter (net/socket.c:1269) [ 12.061842][ T254] ? move_addr_to_kernel (net/socket.c:258) [ 12.061850][ T254] ___sys_sendmsg (net/socket.c:2767) [ 12.061853][ T254] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.061868][ T254] __sys_sendmsg (net/socket.c:2799) [ 12.061871][ T254] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.061877][ T254] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.061880][ T254] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.061883][ T254] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.061886][ T254] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.061888][ T254] RIP: 0033:0x7f83c3d9c54e [ 12.061892][ T254] 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 [ 12.061894][ T254] RSP: 002b:00007fff0ebcdf80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.061896][ T254] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f83c3d9c54e [ 12.061898][ T254] RDX: 0000000000000000 RSI: 00007fff0ebce030 RDI: 0000000000000003 [ 12.061899][ T254] RBP: 00007fff0ebcdf90 R08: 0000000000000000 R09: 0000000000000000 [ 12.061899][ T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9147ef [ 12.061900][ T254] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff0ebce6f0 | [ 13.233038][ T260] softirqs last disabled at (10994): addrconf_permanent_addr (net/ipv6/addrconf.c:3651) | [ 13.233040][ T260] Preemption disabled at: | [ 13.233040][ T260] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.233048][ T260] Tainted: [W]=WARN [ 13.233049][ T260] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.233050][ T260] Call Trace: [ 13.233052][ T260] [ 13.233053][ T260] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.233059][ T260] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.233060][ T260] __might_resched.cold (kernel/sched/core.c:9234) [ 13.233065][ T260] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.233069][ T260] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.233074][ T260] __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)) [ 13.233075][ T260] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.233082][ T260] ? 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) [ 13.233085][ T260] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.233088][ T260] put_chars (drivers/char/virtio_console.c:1176) [ 13.233090][ T260] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.233093][ T260] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.233096][ T260] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.233098][ T260] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.233102][ T260] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.233106][ T260] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.233108][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.233110][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.233114][ T260] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.233115][ T260] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.233120][ T260] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.233124][ T260] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.233128][ T260] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.233129][ T260] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 13.233133][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.233135][ T260] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.233138][ T260] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.233143][ T260] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.233144][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.233150][ T260] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.233152][ T260] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.233154][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.233156][ T260] ? 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) [ 13.233160][ T260] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.233162][ T260] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.233164][ T260] vprintk_emit (kernel/printk/printk.c:2479) [ 13.233167][ T260] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.233169][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.233174][ T260] _printk (kernel/printk/printk.c:2504) [ 13.233177][ T260] ? snapshot_read.cold (user.c:?) [ 13.233181][ T260] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.233183][ T260] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.233186][ T260] ? notifier_call_chain (./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/notifier.h:59 kernel/notifier.c:84) [ 13.233190][ T260] vlan_device_event.cold (net/8021q/vlan.c:347 (discriminator 1) net/8021q/vlan.c:388 (discriminator 1)) [ 13.233194][ T260] ? packet_notifier (./include/linux/rcupdate.h:882 net/packet/af_packet.c:4261) [ 13.233199][ T260] ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110) [ 13.233206][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.233208][ T260] notifier_call_chain (kernel/notifier.c:85) [ 13.233213][ T260] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9853) [ 13.233218][ T260] ? netif_change_name (net/core/dev.c:1517) [ 13.233222][ T260] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 13.233225][ T260] ? write_profile (profile.c:?) [ 13.233230][ T260] netif_change_flags (net/core/dev.c:9882) [ 13.233234][ T260] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 13.233237][ T260] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 13.233239][ T260] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 13.233241][ T260] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 13.233243][ T260] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 13.233246][ T260] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.233248][ T260] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.233250][ T260] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.233252][ T260] ? kasan_save_stack (mm/kasan/common.c:58) [ 13.233255][ T260] ? kasan_save_stack (mm/kasan/common.c:57) [ 13.233256][ T260] ? kasan_save_track (mm/kasan/common.c:78) [ 13.233257][ T260] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 13.233259][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.233261][ T260] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 13.233264][ T260] ? ___sys_sendmsg (net/socket.c:2758) [ 13.233268][ T260] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.233270][ T260] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.233272][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.233274][ T260] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.233276][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.233277][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.233278][ T260] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.233281][ T260] ? __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) [ 13.233283][ T260] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.233285][ T260] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.233288][ T260] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 13.233291][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.233294][ T260] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 13.233299][ T260] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.233304][ T260] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.233306][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.233310][ T260] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.233312][ T260] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.233314][ T260] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.233316][ T260] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.233320][ T260] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.233322][ T260] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.233325][ T260] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.233326][ T260] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.233330][ T260] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.233339][ T260] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.233343][ T260] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.233346][ T260] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.233349][ T260] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.233355][ T260] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 13.233357][ T260] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 13.233362][ T260] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.233366][ T260] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.233368][ T260] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.233372][ T260] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.233376][ T260] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.233380][ T260] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.233382][ T260] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 13.233387][ T260] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 13.233390][ T260] ____sys_sendmsg (net/socket.c:2713) [ 13.233392][ T260] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.233394][ T260] ? sock_write_iter (net/socket.c:1269) [ 13.233396][ T260] ? move_addr_to_kernel (net/socket.c:258) [ 13.233403][ T260] ___sys_sendmsg (net/socket.c:2767) [ 13.233406][ T260] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.233422][ T260] __sys_sendmsg (net/socket.c:2799) [ 13.233425][ T260] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.233431][ T260] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.233434][ T260] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.233437][ T260] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.233440][ T260] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.233442][ T260] RIP: 0033:0x7eff7420554e [ 13.233445][ T260] 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 [ 13.233447][ T260] RSP: 002b:00007ffd332a46e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.233450][ T260] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007eff7420554e [ 13.233451][ T260] RDX: 0000000000000000 RSI: 00007ffd332a4790 RDI: 0000000000000003 [ 13.233452][ T260] RBP: 00007ffd332a46f0 R08: 0000000000000000 R09: 0000000000000000 [ 13.233453][ T260] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a9147f0 [ 13.233454][ T260] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd332a4e50 | [ 14.339060][ T205] softirqs last disabled at (863220): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 14.339062][ T205] Preemption disabled at: | [ 14.339063][ T205] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.339071][ T205] Tainted: [W]=WARN [ 14.339072][ T205] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.339074][ T205] Call Trace: [ 14.339075][ T205] [ 14.339077][ T205] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.339083][ T205] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.339084][ T205] __might_resched.cold (kernel/sched/core.c:9234) [ 14.339089][ T205] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.339093][ T205] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.339097][ T205] __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)) [ 14.339099][ T205] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.339106][ T205] ? 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) [ 14.339108][ T205] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.339112][ T205] put_chars (drivers/char/virtio_console.c:1176) [ 14.339114][ T205] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.339116][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.339119][ T205] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.339122][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.339127][ T205] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.339131][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.339136][ T205] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.339139][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.339144][ T205] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.339148][ T205] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.339150][ T205] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 14.339153][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.339155][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.339159][ T205] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.339163][ T205] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.339165][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.339171][ T205] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.339174][ T205] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.339175][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.339177][ T205] ? 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) [ 14.339181][ T205] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.339183][ T205] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.339185][ T205] vprintk_emit (kernel/printk/printk.c:2479) [ 14.339189][ T205] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.339190][ T205] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.339192][ T205] ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2)) [ 14.339197][ T205] dev_vprintk_emit (drivers/base/core.c:5000) [ 14.339202][ T205] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 14.339207][ T205] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.339210][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.339213][ T205] dev_printk_emit (drivers/base/core.c:5011) [ 14.339216][ T205] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 14.339218][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.339221][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.339222][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.339224][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.339226][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.339229][ T205] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 14.339236][ T205] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 14.339238][ T205] ? netdev_notice (net/core/dev.c:13194) [ 14.339241][ T205] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.339244][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.339246][ T205] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 14.339250][ T205] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 14.339252][ T205] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 14.339255][ T205] ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2)) [ 14.339258][ T205] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 14.339261][ T205] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.339263][ T205] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 14.339269][ T205] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 14.339272][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.339275][ T205] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.339277][ T205] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.339278][ T205] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.339280][ T205] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.339282][ T205] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.339287][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.339288][ T205] ? lock_pin_lock (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:6004 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2)) [ 14.339290][ T205] ? __lock_acquire (kernel/locking/lockdep.c:433 kernel/locking/lockdep.c:5242) [ 14.339294][ T205] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.339295][ T205] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 14.339298][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.339300][ T205] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.339301][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.339302][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.339304][ T205] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.339306][ T205] ? __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) [ 14.339309][ T205] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.339311][ T205] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 14.339313][ T205] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.339316][ T205] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.339317][ T205] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.339321][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.339324][ T205] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.339331][ T205] rtnl_setlink (net/core/rtnetlink.c:3596) [ 14.339335][ T205] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 14.339336][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.339367][ T205] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.339369][ T205] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.339372][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.339374][ T205] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.339376][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.339380][ T205] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.339382][ T205] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.339384][ T205] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 14.339386][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.339390][ T205] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 14.339392][ T205] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.339395][ T205] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.339396][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.339401][ T205] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.339402][ T205] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.339406][ T205] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.339409][ T205] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.339412][ T205] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.339418][ T205] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 14.339420][ T205] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 14.339425][ T205] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.339429][ T205] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.339431][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.339434][ T205] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.339437][ T205] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.339441][ T205] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.339443][ T205] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.339446][ T205] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.339450][ T205] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 14.339453][ T205] ? fdget (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:49 fs/file.c:1194 fs/file.c:1208) [ 14.339457][ T205] __sys_sendto (net/socket.c:2281) [ 14.339460][ T205] ? __ia32_sys_getpeername (net/socket.c:2235) [ 14.339471][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 14.339476][ T205] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 14.339482][ T205] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.339486][ T205] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 14.339487][ T205] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 14.339490][ T205] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.339492][ T205] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.339494][ T205] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.339496][ T205] RIP: 0033:0x7fead5b9054e [ 14.339500][ T205] 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 [ 14.339502][ T205] RSP: 002b:00007ffe5e5216b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 14.339504][ T205] RAX: ffffffffffffffda RBX: 0000558d22c317c0 RCX: 00007fead5b9054e [ 14.339505][ T205] RDX: 0000000000000030 RSI: 0000558d22ddc840 RDI: 0000000000000026 [ 14.339506][ T205] RBP: 00007ffe5e5216c0 R08: 00007ffe5e521710 R09: 0000000000000080 [ 14.339507][ T205] R10: 0000000000000000 R11: 0000000000000202 R12: 0000558d22df2710 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print addrconf_permanent_addr:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars