====================================== | [ 11.013412][ T197] softirqs last disabled at (23685): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.013414][ T197] Preemption disabled at: | [ 11.013415][ T197] 0x0 | [ 11.013425][ T197] Tainted: [W]=WARN [ 11.013426][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.013428][ T197] Call Trace: [ 11.013429][ T197] [ 11.013431][ T197] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.013437][ T197] __might_resched.cold (kernel/sched/core.c:9234) [ 11.013442][ T197] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.013446][ T197] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.013451][ T197] __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)) [ 11.013453][ T197] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.013459][ T197] ? 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) [ 11.013462][ T197] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.013465][ T197] put_chars (drivers/char/virtio_console.c:1176) [ 11.013468][ T197] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.013470][ T197] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.013475][ T197] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.013480][ T197] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.013486][ T197] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.013488][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.013491][ T197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.013495][ T197] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.013499][ T197] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.013500][ T197] ? 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)) [ 11.013503][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.013506][ T197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.013510][ T197] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.013514][ T197] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.013516][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.013521][ T197] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.013524][ T197] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.013526][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.013528][ T197] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.013532][ T197] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.013533][ T197] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.013537][ T197] vprintk_emit (kernel/printk/printk.c:2479) [ 11.013540][ T197] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.013544][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.013547][ T197] _printk (kernel/printk/printk.c:2504) [ 11.013551][ T197] ? snapshot_read.cold (user.c:?) [ 11.013554][ T197] ? 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) [ 11.013557][ T197] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.013560][ T197] ? 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) [ 11.013563][ T197] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.013567][ T197] ? exit_notify (kernel/exit.c:780) [ 11.013569][ T197] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.013572][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.013576][ T197] do_group_exit (kernel/exit.c:1151) [ 11.013579][ T197] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.013581][ T197] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.013583][ T197] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.013586][ T197] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.013589][ T197] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.013592][ T197] RIP: 0033:0x7f001c53d1b8 [ 11.013595][ T197] Code: Unable to access opcode bytes at 0x7f001c53d18e. Code starting with the faulting instruction =========================================== [ 11.013596][ T197] RSP: 002b:00007ffd5d7089f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.013599][ T197] RAX: ffffffffffffffda RBX: 00007f001c66df88 RCX: 00007f001c53d1b8 [ 11.013600][ T197] RDX: 00007f001c287fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.013601][ T197] RBP: 00007ffd5d708a50 R08: 0000000000000000 R09: 0000000000008010 [ 11.013602][ T197] R10: 00007ffd5d708810 R11: 0000000000000246 R12: 0000000000000001 [ 11.013603][ T197] R13: 0000000000000000 R14: 00007f001c66c680 R15: 00007f001c66dfa0 | [ 12.882055][ T266] softirqs last disabled at (13114): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.882060][ T266] Preemption disabled at: | [ 12.882060][ T266] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.882071][ T266] Tainted: [W]=WARN [ 12.882071][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.882073][ T266] Call Trace: [ 12.882075][ T266] [ 12.882076][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.882082][ T266] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.882085][ T266] __might_resched.cold (kernel/sched/core.c:9234) [ 12.882090][ T266] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.882094][ T266] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.882100][ T266] __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)) [ 12.882102][ T266] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.882108][ T266] ? 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) [ 12.882111][ T266] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.882114][ T266] put_chars (drivers/char/virtio_console.c:1176) [ 12.882117][ T266] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.882121][ T266] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.882125][ T266] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.882128][ T266] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.882130][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.882131][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.882135][ T266] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.882137][ T266] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.882140][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.882145][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.882149][ T266] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.882152][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.882154][ T266] ? 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)) [ 12.882157][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.882160][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.882164][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.882168][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.882170][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.882175][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.882178][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.882180][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.882182][ T266] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.882186][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.882188][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.882191][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 12.882195][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.882198][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.882199][ T266] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.882204][ T266] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.882208][ T266] _printk (kernel/printk/printk.c:2504) [ 12.882211][ T266] ? snapshot_read.cold (user.c:?) [ 12.882215][ T266] ? br_multicast_flood (??:?) bridge [ 12.882228][ T266] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.882230][ T266] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.882231][ T266] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.882236][ T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.882246][ T266] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.882255][ T266] new_nbp (net/bridge/br_if.c:449) bridge [ 12.882265][ T266] br_add_if (net/bridge/br_if.c:592) bridge [ 12.882272][ T266] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.882281][ T266] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.882284][ T266] ? __kernel_text_address (kernel/extable.c:79) [ 12.882288][ T266] do_set_master (net/core/rtnetlink.c:3071) [ 12.882293][ T266] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.882296][ T266] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.882299][ T266] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.882301][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.882303][ T266] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.882307][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.882309][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.882311][ T266] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.882314][ T266] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.882317][ T266] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.882318][ T266] ? kasan_save_track (mm/kasan/common.c:78) [ 12.882321][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.882323][ T266] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 12.882326][ T266] ? ___sys_sendmsg (net/socket.c:2757) [ 12.882330][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.882332][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.882335][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.882337][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.882339][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.882341][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.882343][ T266] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.882347][ T266] ? __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) [ 12.882348][ T266] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.882351][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.882354][ T266] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.882356][ T266] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.882361][ T266] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.882366][ T266] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.882371][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.882373][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.882378][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.882380][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.882382][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.882384][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.882387][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.882389][ T266] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.882393][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.882394][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.882398][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.882400][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.882404][ T266] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.882406][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.882408][ T266] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.882415][ T266] ? 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)) [ 12.882416][ T266] ? 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)) [ 12.882420][ T266] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.882424][ T266] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.882427][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.882431][ T266] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.882435][ T266] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.882438][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.882444][ T266] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.882446][ T266] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.882448][ T266] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.882450][ T266] ? move_addr_to_kernel (net/socket.c:258) [ 12.882457][ T266] ___sys_sendmsg (net/socket.c:2767) [ 12.882460][ T266] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.882476][ T266] __sys_sendmsg (net/socket.c:2799) [ 12.882479][ T266] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.882485][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.882489][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.882491][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.882494][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.882497][ T266] RIP: 0033:0x7fd96850254e [ 12.882500][ T266] 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 [ 12.882503][ T266] RSP: 002b:00007fff12c152a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.882506][ T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd96850254e [ 12.882507][ T266] RDX: 0000000000000000 RSI: 00007fff12c15350 RDI: 0000000000000005 [ 12.882508][ T266] RBP: 00007fff12c152b0 R08: 0000000000000000 R09: 0000000000000000 [ 12.882509][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbef [ 12.882510][ T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff12c15a10 | [ 16.324373][ T370] softirqs last disabled at (13412): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 16.324376][ T370] Preemption disabled at: | [ 16.324377][ T370] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.324386][ T370] Tainted: [W]=WARN [ 16.324387][ T370] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.324389][ T370] Call Trace: [ 16.324390][ T370] [ 16.324392][ T370] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.324398][ T370] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.324400][ T370] __might_resched.cold (kernel/sched/core.c:9234) [ 16.324405][ T370] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.324409][ T370] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.324414][ T370] __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)) [ 16.324416][ T370] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.324422][ T370] ? 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) [ 16.324425][ T370] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.324428][ T370] put_chars (drivers/char/virtio_console.c:1176) [ 16.324430][ T370] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 16.324432][ T370] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.324435][ T370] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.324440][ T370] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.324442][ T370] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.324446][ T370] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.324449][ T370] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.324451][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.324452][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.324456][ T370] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.324459][ T370] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.324462][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.324464][ T370] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.324468][ T370] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.324472][ T370] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.324474][ T370] ? 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)) [ 16.324477][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.324480][ T370] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.324484][ T370] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.324488][ T370] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.324490][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.324495][ T370] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.324498][ T370] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.324500][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.324503][ T370] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.324506][ T370] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.324508][ T370] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.324512][ T370] vprintk_emit (kernel/printk/printk.c:2479) [ 16.324516][ T370] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.324518][ T370] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.324521][ T370] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.324525][ T370] _printk (kernel/printk/printk.c:2504) [ 16.324529][ T370] ? snapshot_read.cold (user.c:?) [ 16.324532][ T370] ? br_multicast_flood (??:?) bridge [ 16.324545][ T370] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 16.324547][ T370] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.324548][ T370] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.324553][ T370] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 16.324563][ T370] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 16.324572][ T370] new_nbp (net/bridge/br_if.c:449) bridge [ 16.324581][ T370] br_add_if (net/bridge/br_if.c:592) bridge [ 16.324588][ T370] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 16.324593][ T370] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 16.324595][ T370] ? __kernel_text_address (kernel/extable.c:79) [ 16.324599][ T370] do_set_master (net/core/rtnetlink.c:3071) [ 16.324604][ T370] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 16.324607][ T370] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 16.324610][ T370] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 16.324612][ T370] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 16.324613][ T370] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 16.324617][ T370] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.324620][ T370] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.324621][ T370] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.324624][ T370] ? kasan_save_stack (mm/kasan/common.c:58) [ 16.324627][ T370] ? kasan_save_stack (mm/kasan/common.c:57) [ 16.324629][ T370] ? kasan_save_track (mm/kasan/common.c:78) [ 16.324631][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.324633][ T370] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 16.324636][ T370] ? ___sys_sendmsg (net/socket.c:2757) [ 16.324641][ T370] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.324643][ T370] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.324645][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.324648][ T370] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.324649][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.324651][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.324653][ T370] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 16.324657][ T370] ? __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) [ 16.324661][ T370] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 16.324663][ T370] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.324666][ T370] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 16.324668][ T370] ? nla_get_range_signed (lib/nlattr.c:270) [ 16.324673][ T370] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 16.324678][ T370] rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.324683][ T370] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.324685][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.324690][ T370] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.324692][ T370] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.324694][ T370] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.324696][ T370] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.324699][ T370] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.324702][ T370] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.324705][ T370] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.324706][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.324710][ T370] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.324712][ T370] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.324716][ T370] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 16.324718][ T370] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.324721][ T370] ? netlink_ack (./include/linux/skbuff.h:2718) [ 16.324727][ T370] ? 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)) [ 16.324728][ T370] ? 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)) [ 16.324733][ T370] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 16.324736][ T370] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 16.324739][ T370] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.324743][ T370] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 16.324747][ T370] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 16.324751][ T370] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 16.324757][ T370] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 16.324759][ T370] ? copy_msghdr_from_user (net/socket.c:2650) [ 16.324761][ T370] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 16.324763][ T370] ? move_addr_to_kernel (net/socket.c:258) [ 16.324770][ T370] ___sys_sendmsg (net/socket.c:2767) [ 16.324773][ T370] ? copy_msghdr_from_user (net/socket.c:2619) [ 16.324789][ T370] __sys_sendmsg (net/socket.c:2799) [ 16.324792][ T370] ? __sys_sendmsg_sock (net/socket.c:2780) [ 16.324799][ T370] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.324802][ T370] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.324805][ T370] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.324808][ T370] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.324810][ T370] RIP: 0033:0x7fcdd1fe254e [ 16.324814][ T370] 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 [ 16.324816][ T370] RSP: 002b:00007ffcadcb2880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.324819][ T370] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fcdd1fe254e [ 16.324821][ T370] RDX: 0000000000000000 RSI: 00007ffcadcb2930 RDI: 0000000000000005 [ 16.324822][ T370] RBP: 00007ffcadcb2890 R08: 0000000000000000 R09: 0000000000000000 [ 16.324822][ T370] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dbf2 [ 16.324823][ T370] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcadcb2ff0 | [ 17.967125][ C3] | [ 17.967126][ C3] | [ 17.967126][ C3] stack backtrace: | [ 17.967132][ C3] Tainted: [W]=WARN [ 17.967133][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.967134][ C3] Call Trace: [ 17.967135][ C3] [ 17.967137][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.967141][ C3] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 17.967143][ C3] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 17.967146][ C3] mark_lock (kernel/locking/lockdep.c:4769) [ 17.967148][ C3] mark_usage (kernel/locking/lockdep.c:4658) [ 17.967149][ C3] __lock_acquire (kernel/locking/lockdep.c:5208) [ 17.967151][ C3] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.967153][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.967155][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.967158][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.967160][ C3] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.967162][ C3] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.967163][ C3] console_emit_next_record (kernel/printk/printk.c:3177) [ 17.967165][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.967167][ C3] ? 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)) [ 17.967169][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.967171][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.967173][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.967175][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.967176][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.967179][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.967180][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.967182][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.967184][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.967186][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.967187][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.967189][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 17.967191][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.967193][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.967195][ C3] _printk (kernel/printk/printk.c:2504) [ 17.967197][ C3] ? snapshot_read.cold (user.c:?) [ 17.967199][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.967202][ C3] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 17.967209][ C3] ? idr_get_free (??:?) [ 17.967211][ C3] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 17.967218][ C3] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 17.967225][ C3] ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge [ 17.967239][ C3] ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge [ 17.967246][ C3] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 17.967253][ C3] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 17.967259][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.967261][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.967262][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.967264][ C3] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 17.967270][ C3] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 17.967277][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 17.967279][ C3] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 17.967284][ C3] ? __udp6_lib_lookup (net/ipv6/udp.c:392) [ 17.967287][ C3] ? do_xdp_generic (net/core/dev.c:5732) [ 17.967289][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.967291][ C3] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 17.967294][ C3] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842) [ 17.967296][ C3] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844) [ 17.967297][ C3] ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029) [ 17.967299][ C3] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54)) [ 17.967302][ C3] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 17.967304][ C3] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 17.967306][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.967307][ C3] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 17.967310][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.967311][ C3] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 17.967313][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.967315][ C3] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 17.967317][ C3] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.967319][ C3] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.967321][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.967323][ C3] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 17.967325][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.967326][ C3] ? netif_receive_skb_list (net/core/dev.c:6551) [ 17.967328][ C3] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 17.967330][ C3] gro_cell_poll (net/core/gro_cells.c:76) [ 17.967333][ C3] __napi_poll (net/core/dev.c:7787) [ 17.967335][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.967337][ C3] ? __napi_poll (./include/net/gro.h:507) [ 17.967339][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.967342][ C3] ? __schedule (kernel/sched/core.c:7277) [ 17.967343][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.967346][ C3] handle_softirqs (kernel/softirq.c:645) [ 17.967348][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.967349][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.967351][ C3] run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) [ 17.967353][ C3] smpboot_thread_fn (kernel/smpboot.c:160) [ 17.967355][ C3] ? sort_range (kernel/range.c:164) [ 17.967356][ C3] kthread (kernel/kthread.c:436) [ 17.967358][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.967360][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.967362][ C3] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.967364][ C3] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.967365][ C3] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.967368][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.967370][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 17.967388][ C3] softirqs last disabled at (1095295): run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) | [ 17.967389][ C3] Preemption disabled at: | [ 17.967390][ C3] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1)) | [ 17.967394][ C3] Tainted: [W]=WARN [ 17.967395][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.967396][ C3] Call Trace: [ 17.967396][ C3] [ 17.967397][ C3] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.967399][ C3] ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1)) [ 17.967400][ C3] __might_resched.cold (kernel/sched/core.c:9234) [ 17.967403][ C3] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.967406][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.967408][ C3] __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)) [ 17.967410][ C3] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.967411][ C3] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.967413][ C3] ? 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) [ 17.967415][ C3] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.967417][ C3] put_chars (drivers/char/virtio_console.c:1176) [ 17.967418][ C3] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.967420][ C3] ? mark_lock (kernel/locking/lockdep.c:4769) [ 17.967422][ C3] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.967424][ C3] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.967426][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.967427][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.967430][ C3] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.967432][ C3] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.967433][ C3] ? 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)) [ 17.967435][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.967437][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.967439][ C3] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.967441][ C3] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.967443][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.967445][ C3] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.967447][ C3] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.967449][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.967450][ C3] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.967452][ C3] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.967454][ C3] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.967455][ C3] vprintk_emit (kernel/printk/printk.c:2479) [ 17.967458][ C3] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.967460][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.967462][ C3] _printk (kernel/printk/printk.c:2504) [ 17.967463][ C3] ? snapshot_read.cold (user.c:?) [ 17.967465][ C3] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.967467][ C3] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 17.967473][ C3] ? idr_get_free (??:?) [ 17.967476][ C3] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 17.967483][ C3] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 17.967489][ C3] ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge [ 17.967495][ C3] ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge [ 17.967502][ C3] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 17.967508][ C3] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 17.967514][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.967516][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.967517][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.967520][ C3] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 17.967526][ C3] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 17.967532][ C3] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 17.967534][ C3] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 17.967538][ C3] ? __udp6_lib_lookup (net/ipv6/udp.c:392) [ 17.967540][ C3] ? do_xdp_generic (net/core/dev.c:5732) [ 17.967542][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.967543][ C3] ? encap_bypass_if_local (drivers/net/vxlan/vxlan_core.c:2338) vxlan [ 17.967546][ C3] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:842) [ 17.967548][ C3] ? udpv6_queue_rcv_one_skb (net/ipv6/udp.c:844) [ 17.967549][ C3] ? udp6_unicast_rcv_skb (net/ipv6/udp.c:1029) [ 17.967551][ C3] ? ip6_protocol_deliver_rcu (net/ipv6/ip6_input.c:498 (discriminator 54)) [ 17.967553][ C3] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 17.967555][ C3] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 17.967557][ C3] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.967558][ C3] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 17.967561][ C3] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.967563][ C3] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 17.967564][ C3] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.967566][ C3] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 17.967568][ C3] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 17.967569][ C3] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 17.967571][ C3] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.967573][ C3] napi_complete_done (./include/net/gro.h:523 ./include/net/gro.h:519 ./include/net/gro.h:531 net/core/dev.c:6865) [ 17.967575][ C3] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.967576][ C3] ? netif_receive_skb_list (net/core/dev.c:6551) [ 17.967578][ C3] ? gro_cell_poll (./include/linux/local_lock_internal.h:62 (discriminator 2) net/core/gro_cells.c:68 (discriminator 2)) [ 17.967581][ C3] gro_cell_poll (net/core/gro_cells.c:76) [ 17.967583][ C3] __napi_poll (net/core/dev.c:7787) [ 17.967585][ C3] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.967588][ C3] ? __napi_poll (./include/net/gro.h:507) [ 17.967589][ C3] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.967592][ C3] ? __schedule (kernel/sched/core.c:7277) [ 17.967594][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.967596][ C3] handle_softirqs (kernel/softirq.c:645) [ 17.967598][ C3] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.967599][ C3] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.967601][ C3] run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) [ 17.967603][ C3] smpboot_thread_fn (kernel/smpboot.c:160) [ 17.967605][ C3] ? sort_range (kernel/range.c:164) [ 17.967606][ C3] kthread (kernel/kthread.c:436) [ 17.967607][ C3] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.967609][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.967610][ C3] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.967612][ C3] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.967614][ C3] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.967615][ C3] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.967617][ C3] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.606497][ T69] softirqs last disabled at (41665): do_softirq (kernel/softirq.c:546 (discriminator 19) kernel/softirq.c:533 (discriminator 19)) | [ 29.606499][ T69] Preemption disabled at: | [ 29.606500][ T69] vprintk_emit (kernel/printk/printk.c:2471) | [ 29.606511][ T69] Tainted: [W]=WARN [ 29.606512][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.606514][ T69] Workqueue: netns cleanup_net [ 29.606520][ T69] Call Trace: [ 29.606522][ T69] [ 29.606523][ T69] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.606528][ T69] ? vprintk_emit (kernel/printk/printk.c:2471) [ 29.606530][ T69] __might_resched.cold (kernel/sched/core.c:9234) [ 29.606534][ T69] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.606537][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.606541][ T69] __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)) [ 29.606545][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.606547][ T69] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.606551][ T69] ? 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) [ 29.606553][ T69] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.606555][ T69] put_chars (drivers/char/virtio_console.c:1176) [ 29.606556][ T69] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 29.606558][ T69] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.606560][ T69] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 29.606562][ T69] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.606566][ T69] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.606567][ T69] ? 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) [ 29.606569][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.606570][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.606572][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.606574][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.606576][ T69] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.606578][ T69] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.606580][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.606582][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.606584][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.606585][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.606587][ T69] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 29.606589][ T69] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.606592][ T69] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.606594][ T69] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.606596][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.606598][ T69] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.606599][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.606601][ T69] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 29.606603][ T69] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.606604][ T69] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 29.606606][ T69] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.606608][ T69] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.606610][ T69] vprintk_emit (kernel/printk/printk.c:2479) [ 29.606613][ T69] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.606615][ T69] ? process_one_work (kernel/workqueue.c:3387) [ 29.606618][ T69] ? kthread (kernel/kthread.c:436) [ 29.606619][ T69] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 29.606622][ T69] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 29.606625][ T69] _printk (kernel/printk/printk.c:2504) [ 29.606628][ T69] ? snapshot_read.cold (user.c:?) [ 29.606631][ T69] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 29.606633][ T69] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 29.606635][ T69] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 29.606637][ T69] ? netdev_notice (net/core/dev.c:13194) [ 29.606639][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.606641][ T69] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 29.606642][ T69] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 29.606645][ T69] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 29.606646][ T69] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 29.606649][ T69] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 29.606652][ T69] dev_set_allmulti (net/core/dev_api.c:315) [ 29.606655][ T69] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 29.606668][ T69] br_dev_delete (net/bridge/br_if.c:387) bridge [ 29.606677][ T69] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 29.606684][ T69] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 29.606687][ T69] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 29.606689][ T69] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 29.606692][ T69] cleanup_net (net/core/net_namespace.c:706) [ 29.606694][ T69] ? net_passive_dec (./include/linux/llist.h:241) [ 29.606696][ T69] ? update_load_avg (kernel/sched/fair.c:5864) [ 29.606698][ T69] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.606700][ T69] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.606702][ T69] process_one_work (kernel/workqueue.c:3387) [ 29.606705][ T69] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 29.606707][ T69] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.606710][ T69] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 29.606712][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.606714][ T69] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 29.606716][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.606718][ T69] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.606719][ T69] kthread (kernel/kthread.c:436) [ 29.606721][ T69] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.606722][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.606724][ T69] ret_from_fork (arch/x86/kernel/process.c:158) [ 29.606726][ T69] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 29.606727][ T69] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 29.606730][ T69] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.606732][ T69] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.612365][ T623] softirqs last disabled at (0): 0x0 | [ 30.612367][ T623] Preemption disabled at: | [ 30.612368][ T623] vprintk_emit (kernel/printk/printk.c:2471) | [ 30.612379][ T623] Tainted: [W]=WARN [ 30.612380][ T623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.612382][ T623] Call Trace: [ 30.612383][ T623] [ 30.612385][ T623] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.612390][ T623] ? vprintk_emit (kernel/printk/printk.c:2471) [ 30.612392][ T623] __might_resched.cold (kernel/sched/core.c:9234) [ 30.612396][ T623] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.612399][ T623] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 30.612401][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612405][ T623] __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)) [ 30.612408][ T623] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.612411][ T623] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.612415][ T623] ? 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) [ 30.612416][ T623] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.612418][ T623] put_chars (drivers/char/virtio_console.c:1176) [ 30.612420][ T623] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.612422][ T623] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 30.612424][ T623] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.612427][ T623] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.612429][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612431][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.612433][ T623] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.612435][ T623] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.612437][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612439][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612440][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612442][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.612444][ T623] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 30.612446][ T623] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.612448][ T623] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.612450][ T623] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.612452][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.612454][ T623] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.612455][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612457][ T623] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.612458][ T623] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.612460][ T623] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 30.612462][ T623] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.612464][ T623] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.612466][ T623] vprintk_emit (kernel/printk/printk.c:2479) [ 30.612468][ T623] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.612470][ T623] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.612473][ T623] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.612476][ T623] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.612477][ T623] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 30.612480][ T623] ? ___sys_sendmsg (net/socket.c:2767) [ 30.612481][ T623] ? __sys_sendmsg (net/socket.c:2799) [ 30.612483][ T623] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.612486][ T623] _printk (kernel/printk/printk.c:2504) [ 30.612489][ T623] ? snapshot_read.cold (user.c:?) [ 30.612491][ T623] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.612494][ T623] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.612496][ T623] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.612497][ T623] ? netdev_notice (net/core/dev.c:13194) [ 30.612499][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612501][ T623] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 30.612503][ T623] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 30.612505][ T623] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 30.612507][ T623] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 30.612509][ T623] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 30.612513][ T623] dev_set_allmulti (net/core/dev_api.c:315) [ 30.612515][ T623] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 30.612527][ T623] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 30.612531][ T623] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 30.612534][ T623] br_del_if (net/bridge/br_if.c:732) bridge [ 30.612541][ T623] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 30.612543][ T623] do_set_master (net/core/rtnetlink.c:3055) [ 30.612546][ T623] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 30.612548][ T623] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 30.612551][ T623] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 30.612552][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612554][ T623] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 30.612557][ T623] ? kasan_save_stack (mm/kasan/common.c:58) [ 30.612560][ T623] ? kasan_save_stack (mm/kasan/common.c:57) [ 30.612561][ T623] ? kasan_save_track (mm/kasan/common.c:78) [ 30.612563][ T623] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 30.612564][ T623] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 30.612566][ T623] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 30.612567][ T623] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.612568][ T623] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.612570][ T623] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.612571][ T623] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.612572][ T623] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 30.612573][ T623] ? ___sys_sendmsg (net/socket.c:2767) [ 30.612575][ T623] ? __sys_sendmsg (net/socket.c:2799) [ 30.612576][ T623] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.612577][ T623] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.612580][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612582][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.612583][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612585][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612586][ T623] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 30.612588][ T623] ? __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) [ 30.612591][ T623] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 30.612592][ T623] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 30.612594][ T623] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 30.612595][ T623] ? nla_get_range_signed (lib/nlattr.c:270) [ 30.612597][ T623] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 30.612599][ T623] rtnl_newlink (net/core/rtnetlink.c:4215) [ 30.612601][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612603][ T623] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 30.612604][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.612605][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612608][ T623] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 30.612609][ T623] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 30.612611][ T623] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 30.612612][ T623] ? __kernel_text_address (kernel/extable.c:79) [ 30.612613][ T623] ? write_profile (profile.c:?) [ 30.612615][ T623] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 30.612617][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612619][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612620][ T623] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 30.612624][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.612625][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612627][ T623] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 30.612628][ T623] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.612630][ T623] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.612631][ T623] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 30.612633][ T623] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 30.612635][ T623] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.612637][ T623] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.612638][ T623] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.612639][ T623] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.612641][ T623] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 30.612643][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612645][ T623] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.612647][ T623] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.612649][ T623] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.612650][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612652][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612653][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.612655][ T623] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.612657][ T623] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.612659][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612661][ T623] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.612662][ T623] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 30.612664][ T623] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.612666][ T623] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 30.612667][ T623] ? move_addr_to_kernel (net/socket.c:258) [ 30.612669][ T623] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 30.612671][ T623] ___sys_sendmsg (net/socket.c:2767) [ 30.612673][ T623] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.612678][ T623] __sys_sendmsg (net/socket.c:2799) [ 30.612680][ T623] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.612682][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.612684][ T623] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.612685][ T623] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.612688][ T623] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.612689][ T623] RIP: 0033:0x7f44d4ae954e [ 30.612691][ T623] 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 [ 30.612694][ T623] RSP: 002b:00007fffbb4bef00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.612698][ T623] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f44d4ae954e [ 30.612700][ T623] RDX: 0000000000000000 RSI: 00007fffbb4befb0 RDI: 0000000000000005 [ 30.612700][ T623] RBP: 00007fffbb4bef10 R08: 0000000000000000 R09: 0000000000000000 [ 30.612701][ T623] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90dc01 Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print do_softirq:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars run_ksoftirqd:handle_softirqs:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars