====================================== | [ 9.962745][ T222] softirqs last disabled at (0): 0x0 | [ 9.962747][ T222] Preemption disabled at: | [ 9.962748][ T222] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.962758][ T222] Tainted: [W]=WARN [ 9.962759][ T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.962760][ T222] Call Trace: [ 9.962762][ T222] [ 9.962763][ T222] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.962768][ T222] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.962770][ T222] __might_resched.cold (kernel/sched/core.c:9234) [ 9.962774][ T222] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.962777][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962779][ T222] __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)) [ 9.962782][ T222] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.962785][ T222] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.962790][ T222] ? 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) [ 9.962792][ T222] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.962794][ T222] put_chars (drivers/char/virtio_console.c:1176) [ 9.962796][ T222] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.962797][ T222] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 9.962799][ T222] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 9.962801][ T222] ? pointer (lib/vsprintf.c:2577) [ 9.962805][ T222] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.962809][ T222] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.962811][ T222] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.962812][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.962815][ T222] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.962818][ T222] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.962820][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962821][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962822][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962823][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.962824][ T222] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 9.962826][ T222] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.962828][ T222] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.962831][ T222] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.962833][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.962834][ T222] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.962836][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962837][ T222] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.962838][ T222] ? 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) [ 9.962840][ T222] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 9.962841][ T222] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.962843][ T222] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.962844][ T222] vprintk_emit (kernel/printk/printk.c:2479) [ 9.962846][ T222] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.962847][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.962849][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962850][ T222] _printk (kernel/printk/printk.c:2504) [ 9.962853][ T222] ? snapshot_read.cold (user.c:?) [ 9.962855][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.962857][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962858][ T222] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 9.962861][ T222] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 9.962863][ T222] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.962866][ T222] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.962868][ T222] ? netdev_notice (net/core/dev.c:13194) [ 9.962870][ T222] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.962872][ T222] ? 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) [ 9.962873][ T222] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.962875][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962876][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962877][ T222] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.962880][ T222] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 9.962881][ T222] ? 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) [ 9.962883][ T222] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.962884][ T222] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.962885][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962887][ T222] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.962888][ T222] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.962892][ T222] ? __kernel_text_address (kernel/extable.c:79) [ 9.962894][ T222] ? write_profile (profile.c:?) [ 9.962897][ T222] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.962900][ T222] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.962902][ T222] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 9.962904][ T222] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.962905][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962906][ T222] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 9.962909][ T222] ? kasan_save_stack (mm/kasan/common.c:58) [ 9.962911][ T222] ? kasan_save_stack (mm/kasan/common.c:57) [ 9.962912][ T222] ? kasan_save_track (mm/kasan/common.c:78) [ 9.962913][ T222] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 9.962914][ T222] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 9.962915][ T222] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 9.962916][ T222] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.962917][ T222] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.962920][ T222] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.962922][ T222] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.962923][ T222] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 9.962926][ T222] ? ____sys_sendmsg (net/socket.c:2713) [ 9.962927][ T222] ? ___sys_sendmsg (net/socket.c:2767) [ 9.962928][ T222] ? __sys_sendmsg (net/socket.c:2799) [ 9.962930][ T222] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.962932][ T222] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.962935][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962936][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.962937][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962938][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962939][ T222] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.962941][ T222] ? __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) [ 9.962942][ T222] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.962944][ T222] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.962945][ T222] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.962946][ T222] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.962949][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962950][ T222] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 9.962952][ T222] rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.962954][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962955][ T222] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.962957][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.962958][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962959][ T222] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 9.962962][ T222] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 9.962963][ T222] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 9.962964][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962965][ T222] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.962968][ T222] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 9.962971][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962972][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.962973][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962974][ T222] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.962975][ T222] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.962977][ T222] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.962979][ T222] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.962980][ T222] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 9.962982][ T222] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.962984][ T222] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.962985][ T222] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.962987][ T222] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.962988][ T222] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 9.962991][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.962992][ T222] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.962994][ T222] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.962996][ T222] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.962998][ T222] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.963000][ T222] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.963002][ T222] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.963003][ T222] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 9.963005][ T222] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.963006][ T222] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 9.963010][ T222] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 9.963011][ T222] ____sys_sendmsg (net/socket.c:2713) [ 9.963013][ T222] ? copy_msghdr_from_user (net/socket.c:2650) [ 9.963014][ T222] ? sock_write_iter (net/socket.c:1269) [ 9.963016][ T222] ? move_addr_to_kernel (net/socket.c:258) [ 9.963017][ T222] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.963020][ T222] ___sys_sendmsg (net/socket.c:2767) [ 9.963021][ T222] ? copy_msghdr_from_user (net/socket.c:2619) [ 9.963026][ T222] __sys_sendmsg (net/socket.c:2799) [ 9.963028][ T222] ? __sys_sendmsg_sock (net/socket.c:2780) [ 9.963031][ T222] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.963032][ T222] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.963034][ T222] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.963036][ T222] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.963037][ T222] RIP: 0033:0x7fdc0079a54e [ 9.963039][ T222] 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 [ 9.963041][ T222] RSP: 002b:00007ffc2d390730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.963044][ T222] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdc0079a54e [ 9.963045][ T222] RDX: 0000000000000000 RSI: 00007ffc2d3907e0 RDI: 0000000000000005 [ 9.963046][ T222] RBP: 00007ffc2d390740 R08: 0000000000000000 R09: 0000000000000000 [ 9.963047][ T222] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a915b48 Finger prints: vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print