====================================== | [ 9.547933][ T203] softirqs last disabled at (0): 0x0 | [ 9.547935][ T203] Preemption disabled at: | [ 9.547936][ T203] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.547947][ T203] Tainted: [W]=WARN [ 9.547948][ T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.547950][ T203] Call Trace: [ 9.547951][ T203] [ 9.547953][ T203] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.547958][ T203] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.547960][ T203] __might_resched.cold (kernel/sched/core.c:9234) [ 9.547964][ T203] ? __module_address (kernel/module/main.c:3915) [ 9.547968][ T203] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.547971][ T203] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 9.547973][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.547976][ T203] __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)) [ 9.547980][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.547983][ T203] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.547986][ T203] ? 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) [ 9.547988][ T203] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.547990][ T203] put_chars (drivers/char/virtio_console.c:1176) [ 9.547992][ T203] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 9.547994][ T203] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.547995][ T203] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 9.547998][ T203] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.548001][ T203] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.548002][ T203] ? 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) [ 9.548004][ T203] ? vsnprintf (lib/vsprintf.c:2900) [ 9.548007][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.548009][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548011][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.548013][ T203] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.548015][ T203] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.548017][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548019][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548021][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548022][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.548024][ T203] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 9.548026][ T203] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.548028][ T203] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.548031][ T203] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.548033][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.548034][ T203] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.548036][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548037][ T203] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.548039][ T203] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.548040][ T203] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 9.548042][ T203] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.548044][ T203] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.548046][ T203] vprintk_emit (kernel/printk/printk.c:2479) [ 9.548049][ T203] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.548051][ T203] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.548052][ T203] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 9.548055][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.548056][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548059][ T203] _printk (kernel/printk/printk.c:2504) [ 9.548062][ T203] ? snapshot_read.cold (user.c:?) [ 9.548064][ T203] ? br_multicast_flood (??:?) bridge [ 9.548076][ T203] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 9.548079][ T203] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.548080][ T203] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.548082][ T203] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 9.548091][ T203] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 9.548098][ T203] new_nbp (net/bridge/br_if.c:449) bridge [ 9.548105][ T203] br_add_if (net/bridge/br_if.c:592) bridge [ 9.548111][ T203] ? bpf_address_lookup (kernel/bpf/core.c:730) [ 9.548115][ T203] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 9.548117][ T203] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 9.548119][ T203] ? __kernel_text_address (kernel/extable.c:79) [ 9.548121][ T203] do_set_master (net/core/rtnetlink.c:3071) [ 9.548124][ T203] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 9.548125][ T203] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 9.548127][ T203] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.548128][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548130][ T203] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 9.548134][ T203] ? kasan_save_stack (mm/kasan/common.c:58) [ 9.548137][ T203] ? kasan_save_stack (mm/kasan/common.c:57) [ 9.548138][ T203] ? kasan_save_track (mm/kasan/common.c:78) [ 9.548140][ T203] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 9.548141][ T203] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 9.548143][ T203] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 9.548144][ T203] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.548145][ T203] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.548147][ T203] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.548149][ T203] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.548150][ T203] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 9.548153][ T203] ? ___sys_sendmsg (net/socket.c:2767) [ 9.548154][ T203] ? __sys_sendmsg (net/socket.c:2799) [ 9.548156][ T203] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.548158][ T203] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.548160][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548162][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.548163][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548168][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548169][ T203] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.548173][ T203] ? __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) [ 9.548174][ T203] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.548176][ T203] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.548177][ T203] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.548179][ T203] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.548181][ T203] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 9.548183][ T203] rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.548185][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548187][ T203] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.548188][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.548190][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548192][ T203] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 9.548193][ T203] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 9.548195][ T203] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 9.548197][ T203] ? __kernel_text_address (kernel/extable.c:79) [ 9.548198][ T203] ? write_profile (profile.c:?) [ 9.548199][ T203] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.548202][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548203][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548205][ T203] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.548209][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.548210][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548212][ T203] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.548213][ T203] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.548215][ T203] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.548216][ T203] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.548218][ T203] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 9.548220][ T203] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.548221][ T203] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.548223][ T203] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.548224][ T203] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.548226][ T203] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 9.548228][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548230][ T203] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.548232][ T203] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.548234][ T203] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.548235][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548237][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548239][ T203] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.548240][ T203] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.548242][ T203] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.548244][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548246][ T203] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.548248][ T203] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 9.548249][ T203] ? copy_msghdr_from_user (net/socket.c:2650) [ 9.548251][ T203] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 9.548253][ T203] ? move_addr_to_kernel (net/socket.c:258) [ 9.548254][ T203] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.548256][ T203] ___sys_sendmsg (net/socket.c:2767) [ 9.548258][ T203] ? copy_msghdr_from_user (net/socket.c:2619) [ 9.548263][ T203] __sys_sendmsg (net/socket.c:2799) [ 9.548265][ T203] ? __sys_sendmsg_sock (net/socket.c:2780) [ 9.548268][ T203] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.548270][ T203] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.548271][ T203] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.548274][ T203] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.548275][ T203] RIP: 0033:0x7f5bc8a5554e [ 9.548277][ T203] 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 [ 9.548279][ T203] RSP: 002b:00007fff618d8470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.548283][ T203] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f5bc8a5554e [ 9.548284][ T203] RDX: 0000000000000000 RSI: 00007fff618d8520 RDI: 0000000000000005 [ 9.548285][ T203] RBP: 00007fff618d8480 R08: 0000000000000000 R09: 0000000000000000 [ 9.548286][ T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90de4c [ 9.548287][ T203] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff618d8be0 | [ 15.018433][ T242] softirqs last disabled at (0): 0x0 | [ 15.018435][ T242] Preemption disabled at: | [ 15.018436][ T242] 0x0 | [ 15.018444][ T242] Tainted: [W]=WARN [ 15.018445][ T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.018447][ T242] Call Trace: [ 15.018448][ T242] [ 15.018450][ T242] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.018455][ T242] __might_resched.cold (kernel/sched/core.c:9234) [ 15.018460][ T242] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.018463][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018467][ T242] __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)) [ 15.018471][ T242] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.018480][ T242] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.018484][ T242] ? 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) [ 15.018486][ T242] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.018488][ T242] put_chars (drivers/char/virtio_console.c:1176) [ 15.018490][ T242] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.018493][ T242] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 15.018497][ T242] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.018502][ T242] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.018505][ T242] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.018507][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018509][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.018512][ T242] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.018514][ T242] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.018516][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018518][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018519][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018521][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.018523][ T242] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 15.018525][ T242] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.018527][ T242] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.018529][ T242] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.018531][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.018532][ T242] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.018534][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018535][ T242] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 15.018537][ T242] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.018538][ T242] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 15.018540][ T242] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.018542][ T242] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.018544][ T242] vprintk_emit (kernel/printk/printk.c:2479) [ 15.018547][ T242] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.018548][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018550][ T242] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.018553][ T242] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 15.018554][ T242] _printk (kernel/printk/printk.c:2504) [ 15.018557][ T242] ? snapshot_read.cold (user.c:?) [ 15.018559][ T242] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 15.018564][ T242] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.018576][ T242] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 15.018584][ T242] br_device_event (net/bridge/br.c:111) bridge [ 15.018593][ T242] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.018596][ T242] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 15.018598][ T242] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 15.018602][ T242] notifier_call_chain (kernel/notifier.c:85) [ 15.018604][ T242] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 15.018609][ T242] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 15.018610][ T242] ? netif_change_name (net/core/dev.c:1517) [ 15.018612][ T242] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 15.018614][ T242] ? __kernel_text_address (kernel/extable.c:79) [ 15.018616][ T242] ? write_profile (profile.c:?) [ 15.018618][ T242] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 15.018621][ T242] netif_change_flags (net/core/dev.c:9882) [ 15.018623][ T242] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 15.018626][ T242] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.018628][ T242] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.018629][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018630][ T242] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 15.018634][ T242] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.018637][ T242] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.018638][ T242] ? kasan_save_track (mm/kasan/common.c:78) [ 15.018640][ T242] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 15.018642][ T242] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 15.018643][ T242] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 15.018644][ T242] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.018645][ T242] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.018648][ T242] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.018649][ T242] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.018650][ T242] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.018653][ T242] ? ___sys_sendmsg (net/socket.c:2767) [ 15.018654][ T242] ? __sys_sendmsg (net/socket.c:2799) [ 15.018656][ T242] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.018658][ T242] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.018660][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018662][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.018663][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018664][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018666][ T242] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.018669][ T242] ? __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) [ 15.018671][ T242] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.018672][ T242] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.018674][ T242] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.018676][ T242] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.018678][ T242] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.018680][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018681][ T242] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.018682][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.018684][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018686][ T242] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 15.018689][ T242] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.018691][ T242] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.018692][ T242] ? __kernel_text_address (kernel/extable.c:79) [ 15.018693][ T242] ? write_profile (profile.c:?) [ 15.018694][ T242] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 15.018695][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018697][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018699][ T242] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 15.018702][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.018703][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018705][ T242] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.018706][ T242] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.018708][ T242] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.018709][ T242] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 15.018711][ T242] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 15.018713][ T242] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.018714][ T242] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.018715][ T242] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 15.018717][ T242] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.018718][ T242] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 15.018720][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018722][ T242] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 15.018724][ T242] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.018726][ T242] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.018727][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018729][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018731][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.018732][ T242] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.018734][ T242] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.018736][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018738][ T242] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 15.018739][ T242] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.018741][ T242] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.018743][ T242] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.018744][ T242] ? move_addr_to_kernel (net/socket.c:258) [ 15.018745][ T242] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 15.018748][ T242] ___sys_sendmsg (net/socket.c:2767) [ 15.018750][ T242] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.018754][ T242] __sys_sendmsg (net/socket.c:2799) [ 15.018756][ T242] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.018759][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.018761][ T242] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.018762][ T242] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.018764][ T242] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.018765][ T242] RIP: 0033:0x7fdbf8ad554e [ 15.018767][ T242] 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 [ 15.018769][ T242] RSP: 002b:00007ffd586610c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.018773][ T242] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fdbf8ad554e [ 15.018774][ T242] RDX: 0000000000000000 RSI: 00007ffd58661170 RDI: 0000000000000005 [ 15.018775][ T242] RBP: 00007ffd586610d0 R08: 0000000000000000 R09: 0000000000000000 [ 15.018776][ T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90de52 Finger prints: vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record