====================================== | [ 11.539014][ T210] softirqs last disabled at (31831): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 11.539016][ T210] Preemption disabled at: | [ 11.539017][ T210] 0x0 | [ 11.539027][ T210] Tainted: [W]=WARN [ 11.539028][ T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.539030][ T210] Call Trace: [ 11.539031][ T210] [ 11.539033][ T210] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.539039][ T210] __might_resched.cold (kernel/sched/core.c:9234) [ 11.539044][ T210] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.539048][ T210] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.539053][ T210] __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)) [ 11.539056][ T210] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.539062][ T210] ? 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) [ 11.539065][ T210] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.539068][ T210] put_chars (drivers/char/virtio_console.c:1176) [ 11.539071][ T210] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.539072][ T210] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.539077][ T210] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.539082][ T210] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.539089][ T210] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.539091][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.539093][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.539097][ T210] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.539101][ T210] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.539103][ T210] ? 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)) [ 11.539107][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.539109][ T210] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.539113][ T210] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.539117][ T210] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.539119][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.539124][ T210] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.539127][ T210] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.539129][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.539132][ T210] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.539135][ T210] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.539137][ T210] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.539140][ T210] vprintk_emit (kernel/printk/printk.c:2479) [ 11.539144][ T210] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.539148][ T210] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.539152][ T210] _printk (kernel/printk/printk.c:2504) [ 11.539156][ T210] ? snapshot_read.cold (user.c:?) [ 11.539159][ T210] ? 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) [ 11.539161][ T210] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 11.539165][ T210] ? 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) [ 11.539168][ T210] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 11.539172][ T210] ? exit_notify (kernel/exit.c:780) [ 11.539174][ T210] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.539177][ T210] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.539181][ T210] do_group_exit (kernel/exit.c:1151) [ 11.539184][ T210] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 11.539186][ T210] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 11.539188][ T210] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.539191][ T210] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.539194][ T210] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.539197][ T210] RIP: 0033:0x7fe12a8201b8 [ 11.539199][ T210] Code: Unable to access opcode bytes at 0x7fe12a82018e. Code starting with the faulting instruction =========================================== [ 11.539200][ T210] RSP: 002b:00007ffcbf334db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 11.539202][ T210] RAX: ffffffffffffffda RBX: 00007fe12a950f88 RCX: 00007fe12a8201b8 [ 11.539204][ T210] RDX: 00007fe12a56afc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 11.539205][ T210] RBP: 00007ffcbf334e10 R08: 0000000000000000 R09: 0000000000008010 [ 11.539206][ T210] R10: 00007ffcbf334bd0 R11: 0000000000000246 R12: 0000000000000001 [ 11.539207][ T210] R13: 0000000000000000 R14: 00007fe12a94f680 R15: 00007fe12a950fa0 | [ 13.620717][ T284] softirqs last disabled at (21522): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 13.620720][ T284] Preemption disabled at: | [ 13.620720][ T284] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.620730][ T284] Tainted: [W]=WARN [ 13.620731][ T284] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.620732][ T284] Call Trace: [ 13.620734][ T284] [ 13.620735][ T284] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.620741][ T284] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.620744][ T284] __might_resched.cold (kernel/sched/core.c:9234) [ 13.620748][ T284] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.620752][ T284] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.620758][ T284] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.620760][ T284] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.620765][ T284] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.620768][ T284] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.620771][ T284] put_chars (drivers/char/virtio_console.c:1176) [ 13.620774][ T284] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.620779][ T284] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 13.620782][ T284] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.620785][ T284] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.620787][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.620788][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.620792][ T284] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.620794][ T284] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 13.620798][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.620801][ T284] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.620805][ T284] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.620809][ T284] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.620811][ T284] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 13.620814][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.620817][ T284] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.620821][ T284] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.620826][ T284] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.620828][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.620834][ T284] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.620837][ T284] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.620839][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.620841][ T284] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.620845][ T284] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.620846][ T284] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.620850][ T284] vprintk_emit (kernel/printk/printk.c:2479) [ 13.620854][ T284] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.620857][ T284] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.620858][ T284] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 13.620863][ T284] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.620866][ T284] _printk (kernel/printk/printk.c:2504) [ 13.620870][ T284] ? snapshot_read.cold (user.c:?) [ 13.620874][ T284] ? br_multicast_flood (??:?) bridge [ 13.620887][ T284] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.620888][ T284] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.620890][ T284] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.620894][ T284] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 13.620905][ T284] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 13.620914][ T284] new_nbp (net/bridge/br_if.c:449) bridge [ 13.620924][ T284] br_add_if (net/bridge/br_if.c:592) bridge [ 13.620932][ T284] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 13.620936][ T284] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 13.620939][ T284] ? __kernel_text_address (kernel/extable.c:79) [ 13.620943][ T284] do_set_master (net/core/rtnetlink.c:3071) [ 13.620947][ T284] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 13.620951][ T284] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 13.620954][ T284] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 13.620955][ T284] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 13.620958][ T284] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 13.620961][ T284] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.620964][ T284] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.620966][ T284] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.620969][ T284] ? kasan_save_stack (mm/kasan/common.c:58) [ 13.620972][ T284] ? kasan_save_stack (mm/kasan/common.c:57) [ 13.620973][ T284] ? kasan_save_track (mm/kasan/common.c:78) [ 13.620976][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.620978][ T284] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 13.620981][ T284] ? ___sys_sendmsg (net/socket.c:2757) [ 13.620986][ T284] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.620988][ T284] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.620990][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.620993][ T284] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.620994][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.620996][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.620998][ T284] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 13.621002][ T284] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 13.621004][ T284] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 13.621006][ T284] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 13.621009][ T284] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 13.621011][ T284] ? nla_get_range_signed (lib/nlattr.c:270) [ 13.621016][ T284] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 13.621022][ T284] rtnl_newlink (net/core/rtnetlink.c:4215) [ 13.621027][ T284] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.621029][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.621033][ T284] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.621035][ T284] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.621038][ T284] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.621039][ T284] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.621043][ T284] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 13.621045][ T284] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 13.621048][ T284] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.621050][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.621054][ T284] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.621056][ T284] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.621060][ T284] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 13.621062][ T284] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 13.621065][ T284] ? netlink_ack (./include/linux/skbuff.h:2718) [ 13.621071][ T284] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 13.621073][ T284] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 13.621077][ T284] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 13.621081][ T284] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 13.621083][ T284] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.621088][ T284] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 13.621092][ T284] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 13.621095][ T284] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 13.621101][ T284] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 13.621103][ T284] ? copy_msghdr_from_user (net/socket.c:2650) [ 13.621105][ T284] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 13.621107][ T284] ? move_addr_to_kernel (net/socket.c:258) [ 13.621115][ T284] ___sys_sendmsg (net/socket.c:2767) [ 13.621117][ T284] ? copy_msghdr_from_user (net/socket.c:2619) [ 13.621134][ T284] __sys_sendmsg (net/socket.c:2799) [ 13.621136][ T284] ? __sys_sendmsg_sock (net/socket.c:2780) [ 13.621143][ T284] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.621147][ T284] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.621149][ T284] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.621152][ T284] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.621154][ T284] RIP: 0033:0x7f1d307b154e [ 13.621158][ T284] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 13.621160][ T284] RSP: 002b:00007ffc77e76880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 13.621163][ T284] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1d307b154e [ 13.621164][ T284] RDX: 0000000000000000 RSI: 00007ffc77e76930 RDI: 0000000000000005 [ 13.621165][ T284] RBP: 00007ffc77e76890 R08: 0000000000000000 R09: 0000000000000000 [ 13.621166][ T284] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b8b7 [ 13.621167][ T284] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc77e76ff0 | [ 15.128365][ T335] softirqs last disabled at (25882): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 15.128367][ T335] Preemption disabled at: | [ 15.128368][ T335] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.128377][ T335] Tainted: [W]=WARN [ 15.128378][ T335] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.128380][ T335] Call Trace: [ 15.128382][ T335] [ 15.128384][ T335] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.128389][ T335] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.128392][ T335] __might_resched.cold (kernel/sched/core.c:9234) [ 15.128396][ T335] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.128400][ T335] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.128406][ T335] __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)) [ 15.128408][ T335] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.128414][ T335] ? 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) [ 15.128417][ T335] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.128420][ T335] put_chars (drivers/char/virtio_console.c:1176) [ 15.128422][ T335] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.128425][ T335] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.128428][ T335] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.128432][ T335] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.128434][ T335] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.128438][ T335] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.128441][ T335] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.128443][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.128444][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.128449][ T335] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.128451][ T335] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.128454][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.128456][ T335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.128461][ T335] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.128465][ T335] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.128466][ T335] ? 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)) [ 15.128470][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.128472][ T335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.128476][ T335] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.128480][ T335] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.128482][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.128488][ T335] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.128491][ T335] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.128498][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.128501][ T335] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.128505][ T335] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.128506][ T335] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.128510][ T335] vprintk_emit (kernel/printk/printk.c:2479) [ 15.128514][ T335] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.128517][ T335] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.128519][ T335] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.128523][ T335] _printk (kernel/printk/printk.c:2504) [ 15.128527][ T335] ? snapshot_read.cold (user.c:?) [ 15.128531][ T335] ? br_multicast_flood (??:?) bridge [ 15.128544][ T335] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.128545][ T335] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.128547][ T335] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.128551][ T335] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.128562][ T335] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 15.128573][ T335] new_nbp (net/bridge/br_if.c:449) bridge [ 15.128584][ T335] br_add_if (net/bridge/br_if.c:592) bridge [ 15.128592][ T335] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.128596][ T335] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.128599][ T335] ? __kernel_text_address (kernel/extable.c:79) [ 15.128603][ T335] do_set_master (net/core/rtnetlink.c:3071) [ 15.128608][ T335] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.128611][ T335] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.128614][ T335] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.128616][ T335] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.128618][ T335] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.128621][ T335] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.128624][ T335] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.128626][ T335] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.128628][ T335] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.128631][ T335] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.128633][ T335] ? kasan_save_track (mm/kasan/common.c:78) [ 15.128636][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.128638][ T335] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 15.128641][ T335] ? ___sys_sendmsg (net/socket.c:2757) [ 15.128645][ T335] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.128647][ T335] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.128650][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.128652][ T335] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.128654][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.128656][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.128658][ T335] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.128662][ T335] ? __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) [ 15.128665][ T335] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.128667][ T335] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.128670][ T335] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.128672][ T335] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.128677][ T335] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.128682][ T335] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.128688][ T335] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.128690][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.128694][ T335] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.128696][ T335] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.128698][ T335] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.128700][ T335] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.128704][ T335] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.128706][ T335] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.128709][ T335] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.128711][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.128715][ T335] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.128717][ T335] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.128721][ T335] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.128722][ T335] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.128725][ T335] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.128731][ T335] ? 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)) [ 15.128733][ T335] ? 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)) [ 15.128737][ T335] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.128741][ T335] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.128744][ T335] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.128748][ T335] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.128752][ T335] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.128756][ T335] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.128761][ T335] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.128763][ T335] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.128766][ T335] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.128767][ T335] ? move_addr_to_kernel (net/socket.c:258) [ 15.128775][ T335] ___sys_sendmsg (net/socket.c:2767) [ 15.128778][ T335] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.128794][ T335] __sys_sendmsg (net/socket.c:2799) [ 15.128797][ T335] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.128803][ T335] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.128807][ T335] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.128809][ T335] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.128812][ T335] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.128815][ T335] RIP: 0033:0x7f1c10f8b54e [ 15.128818][ T335] 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 [ 15.128820][ T335] RSP: 002b:00007ffc2dbf06d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.128823][ T335] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f1c10f8b54e [ 15.128825][ T335] RDX: 0000000000000000 RSI: 00007ffc2dbf0780 RDI: 0000000000000005 [ 15.128826][ T335] RBP: 00007ffc2dbf06e0 R08: 0000000000000000 R09: 0000000000000000 [ 15.128827][ T335] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b8b8 [ 15.128828][ T335] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc2dbf0e40 | [ 16.528412][ T381] softirqs last disabled at (13658): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 16.528415][ T381] Preemption disabled at: | [ 16.528415][ T381] vprintk_emit (kernel/printk/printk.c:2471) | [ 16.528424][ T381] Tainted: [W]=WARN [ 16.528425][ T381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.528427][ T381] Call Trace: [ 16.528429][ T381] [ 16.528430][ T381] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.528436][ T381] ? vprintk_emit (kernel/printk/printk.c:2471) [ 16.528438][ T381] __might_resched.cold (kernel/sched/core.c:9234) [ 16.528443][ T381] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.528447][ T381] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 16.528452][ T381] __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)) [ 16.528455][ T381] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.528460][ T381] ? 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) [ 16.528463][ T381] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.528466][ T381] put_chars (drivers/char/virtio_console.c:1176) [ 16.528468][ T381] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 16.528470][ T381] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.528474][ T381] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.528478][ T381] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.528480][ T381] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.528484][ T381] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.528487][ T381] ? mark_usage (kernel/locking/lockdep.c:4690) [ 16.528489][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.528490][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.528494][ T381] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.528497][ T381] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 16.528506][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.528509][ T381] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.528513][ T381] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.528517][ T381] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.528519][ T381] ? 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)) [ 16.528522][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.528524][ T381] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.528528][ T381] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.528532][ T381] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.528534][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.528539][ T381] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.528542][ T381] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.528544][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.528546][ T381] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.528550][ T381] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.528552][ T381] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.528555][ T381] vprintk_emit (kernel/printk/printk.c:2479) [ 16.528559][ T381] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.528562][ T381] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.528564][ T381] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 16.528568][ T381] _printk (kernel/printk/printk.c:2504) [ 16.528574][ T381] ? snapshot_read.cold (user.c:?) [ 16.528578][ T381] ? br_multicast_flood (??:?) bridge [ 16.528591][ T381] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 16.528592][ T381] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.528594][ T381] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.528598][ T381] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 16.528609][ T381] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 16.528617][ T381] new_nbp (net/bridge/br_if.c:449) bridge [ 16.528627][ T381] br_add_if (net/bridge/br_if.c:592) bridge [ 16.528634][ T381] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 16.528638][ T381] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 16.528641][ T381] ? __kernel_text_address (kernel/extable.c:79) [ 16.528645][ T381] do_set_master (net/core/rtnetlink.c:3071) [ 16.528650][ T381] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 16.528653][ T381] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 16.528656][ T381] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 16.528658][ T381] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 16.528659][ T381] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 16.528663][ T381] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 16.528666][ T381] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.528667][ T381] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.528670][ T381] ? kasan_save_stack (mm/kasan/common.c:58) [ 16.528673][ T381] ? kasan_save_stack (mm/kasan/common.c:57) [ 16.528675][ T381] ? kasan_save_track (mm/kasan/common.c:78) [ 16.528677][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.528679][ T381] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 16.528683][ T381] ? ___sys_sendmsg (net/socket.c:2757) [ 16.528687][ T381] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.528689][ T381] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.528692][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.528694][ T381] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.528696][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.528698][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.528700][ T381] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 16.528704][ T381] ? __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) [ 16.528707][ T381] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 16.528710][ T381] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 16.528713][ T381] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 16.528715][ T381] ? nla_get_range_signed (lib/nlattr.c:270) [ 16.528720][ T381] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 16.528725][ T381] rtnl_newlink (net/core/rtnetlink.c:4215) [ 16.528730][ T381] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.528732][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.528736][ T381] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.528738][ T381] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.528740][ T381] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.528742][ T381] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.528746][ T381] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 16.528748][ T381] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 16.528751][ T381] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.528752][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.528757][ T381] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.528759][ T381] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.528762][ T381] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 16.528764][ T381] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 16.528767][ T381] ? netlink_ack (./include/linux/skbuff.h:2718) [ 16.528773][ T381] ? 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)) [ 16.528775][ T381] ? 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)) [ 16.528779][ T381] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 16.528782][ T381] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 16.528785][ T381] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.528789][ T381] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 16.528793][ T381] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 16.528797][ T381] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 16.528802][ T381] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 16.528804][ T381] ? copy_msghdr_from_user (net/socket.c:2650) [ 16.528807][ T381] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 16.528808][ T381] ? move_addr_to_kernel (net/socket.c:258) [ 16.528816][ T381] ___sys_sendmsg (net/socket.c:2767) [ 16.528818][ T381] ? copy_msghdr_from_user (net/socket.c:2619) [ 16.528836][ T381] __sys_sendmsg (net/socket.c:2799) [ 16.528839][ T381] ? __sys_sendmsg_sock (net/socket.c:2780) [ 16.528845][ T381] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.528849][ T381] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 16.528851][ T381] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 16.528855][ T381] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 16.528857][ T381] RIP: 0033:0x7f9da5a4754e [ 16.528861][ T381] 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 [ 16.528862][ T381] RSP: 002b:00007ffca46a4140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 16.528865][ T381] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9da5a4754e [ 16.528867][ T381] RDX: 0000000000000000 RSI: 00007ffca46a41f0 RDI: 0000000000000005 [ 16.528868][ T381] RBP: 00007ffca46a4150 R08: 0000000000000000 R09: 0000000000000000 [ 16.528869][ T381] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b8b9 [ 16.528870][ T381] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca46a48b0 | [ 26.725337][ T12] softirqs last disabled at (56660): vxlan_flush (./include/linux/spinlock.h:353 drivers/net/vxlan/vxlan_core.c:3094) vxlan | [ 26.725342][ T12] Preemption disabled at: | [ 26.725342][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.725352][ T12] Tainted: [W]=WARN [ 26.725353][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.725355][ T12] Workqueue: netns cleanup_net [ 26.725358][ T12] Call Trace: [ 26.725360][ T12] [ 26.725361][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.725367][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.725369][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 26.725374][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.725378][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.725383][ T12] __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)) [ 26.725386][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.725391][ T12] ? 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) [ 26.725394][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.725398][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 26.725401][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.725405][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 26.725409][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.725412][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.725414][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.725419][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.725420][ T12] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 26.725423][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.725427][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.725432][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.725436][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.725438][ T12] ? 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)) [ 26.725441][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.725444][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.725448][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.725453][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.725454][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.725460][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.725463][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.725465][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.725467][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.725471][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.725473][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.725476][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 26.725481][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.725483][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 26.725485][ T12] ? kthread (kernel/kthread.c:436) [ 26.725486][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 26.725489][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 26.725493][ T12] _printk (kernel/printk/printk.c:2504) [ 26.725497][ T12] ? snapshot_read.cold (user.c:?) [ 26.725502][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 26.725505][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 26.725509][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 26.725512][ T12] ? netdev_notice (net/core/dev.c:13194) [ 26.725516][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.725518][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 26.725521][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 26.725523][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.725525][ T12] ? 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) [ 26.725529][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 26.725539][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 26.725543][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 26.725557][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 26.725567][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 26.725576][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 26.725580][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 26.725585][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 26.725586][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.725590][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 26.725595][ T12] cleanup_net (net/core/net_namespace.c:706) [ 26.725598][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 26.725602][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.725604][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.725608][ T12] process_one_work (kernel/workqueue.c:3387) [ 26.725615][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 26.725618][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.725626][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 26.725633][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.725636][ T12] kthread (kernel/kthread.c:436) [ 26.725637][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.725640][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.725643][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 26.725646][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 26.725649][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 26.725652][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.725655][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 27.736494][ T524] softirqs last disabled at (14208): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 27.736496][ T524] Preemption disabled at: | [ 27.736497][ T524] vprintk_emit (kernel/printk/printk.c:2471) | [ 27.736506][ T524] Tainted: [W]=WARN [ 27.736507][ T524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 27.736509][ T524] Call Trace: [ 27.736510][ T524] [ 27.736512][ T524] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 27.736518][ T524] ? vprintk_emit (kernel/printk/printk.c:2471) [ 27.736520][ T524] __might_resched.cold (kernel/sched/core.c:9234) [ 27.736525][ T524] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 27.736529][ T524] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 27.736534][ T524] __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)) [ 27.736536][ T524] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.736547][ T524] ? 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) [ 27.736550][ T524] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 27.736553][ T524] put_chars (drivers/char/virtio_console.c:1176) [ 27.736556][ T524] ? __send_to_port (drivers/char/virtio_console.c:654) [ 27.736557][ T524] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.736562][ T524] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.736567][ T524] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 27.736576][ T524] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 27.736579][ T524] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.736581][ T524] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.736585][ T524] console_emit_next_record (kernel/printk/printk.c:3183) [ 27.736590][ T524] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 27.736592][ T524] ? 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)) [ 27.736595][ T524] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.736597][ T524] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.736601][ T524] console_flush_one_record (kernel/printk/printk.c:3268) [ 27.736605][ T524] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 27.736607][ T524] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.736612][ T524] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 27.736615][ T524] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 27.736617][ T524] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.736619][ T524] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 27.736623][ T524] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 27.736625][ T524] ? vprintk_emit (kernel/printk/printk.c:2478) [ 27.736628][ T524] vprintk_emit (kernel/printk/printk.c:2479) [ 27.736632][ T524] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 27.736634][ T524] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 27.736636][ T524] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 27.736638][ T524] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 27.736640][ T524] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 27.736642][ T524] ? ___sys_sendmsg (net/socket.c:2767) [ 27.736644][ T524] ? __sys_sendmsg (net/socket.c:2799) [ 27.736646][ T524] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.736651][ T524] _printk (kernel/printk/printk.c:2504) [ 27.736655][ T524] ? snapshot_read.cold (user.c:?) [ 27.736659][ T524] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 27.736663][ T524] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 27.736666][ T524] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 27.736669][ T524] ? netdev_notice (net/core/dev.c:13194) [ 27.736673][ T524] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.736675][ T524] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 27.736678][ T524] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 27.736679][ T524] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.736681][ T524] ? 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) [ 27.736685][ T524] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 27.736690][ T524] dev_set_allmulti (net/core/dev_api.c:315) [ 27.736694][ T524] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 27.736707][ T524] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 27.736714][ T524] br_del_if (net/bridge/br_if.c:732) bridge [ 27.736721][ T524] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 27.736724][ T524] do_set_master (net/core/rtnetlink.c:3055) [ 27.736729][ T524] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 27.736733][ T524] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 27.736736][ T524] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 27.736737][ T524] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 27.736740][ T524] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 27.736743][ T524] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 27.736746][ T524] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 27.736748][ T524] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 27.736751][ T524] ? kasan_save_stack (mm/kasan/common.c:58) [ 27.736754][ T524] ? kasan_save_stack (mm/kasan/common.c:57) [ 27.736755][ T524] ? kasan_save_track (mm/kasan/common.c:78) [ 27.736758][ T524] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.736760][ T524] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 27.736762][ T524] ? ___sys_sendmsg (net/socket.c:2757) [ 27.736766][ T524] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.736768][ T524] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 27.736770][ T524] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.736773][ T524] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 27.736774][ T524] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.736776][ T524] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.736778][ T524] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 27.736781][ T524] ? __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) [ 27.736784][ T524] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 27.736786][ T524] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 27.736789][ T524] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 27.736791][ T524] ? nla_get_range_signed (lib/nlattr.c:270) [ 27.736796][ T524] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 27.736801][ T524] rtnl_newlink (net/core/rtnetlink.c:4215) [ 27.736806][ T524] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.736808][ T524] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.736813][ T524] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.736815][ T524] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.736817][ T524] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.736819][ T524] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 27.736822][ T524] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 27.736825][ T524] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 27.736828][ T524] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 27.736829][ T524] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.736834][ T524] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 27.736836][ T524] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 27.736839][ T524] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 27.736841][ T524] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 27.736844][ T524] ? netlink_ack (./include/linux/skbuff.h:2718) [ 27.736850][ T524] ? 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)) [ 27.736852][ T524] ? 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)) [ 27.736856][ T524] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 27.736860][ T524] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 27.736862][ T524] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 27.736866][ T524] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 27.736870][ T524] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 27.736874][ T524] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 27.736879][ T524] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 27.736882][ T524] ? copy_msghdr_from_user (net/socket.c:2650) [ 27.736884][ T524] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 27.736886][ T524] ? move_addr_to_kernel (net/socket.c:258) [ 27.736893][ T524] ___sys_sendmsg (net/socket.c:2767) [ 27.736896][ T524] ? copy_msghdr_from_user (net/socket.c:2619) [ 27.736911][ T524] __sys_sendmsg (net/socket.c:2799) [ 27.736914][ T524] ? __sys_sendmsg_sock (net/socket.c:2780) [ 27.736920][ T524] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 27.736924][ T524] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 27.736926][ T524] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 27.736929][ T524] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 27.736931][ T524] RIP: 0033:0x7f8a414f054e [ 27.736934][ T524] 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 [ 27.736936][ T524] RSP: 002b:00007fff9afbd660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 27.736939][ T524] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8a414f054e [ 27.736940][ T524] RDX: 0000000000000000 RSI: 00007fff9afbd710 RDI: 0000000000000005 [ 27.736941][ T524] RBP: 00007fff9afbd670 R08: 0000000000000000 R09: 0000000000000000 [ 27.736942][ T524] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91b8c5 Finger prints: __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vxlan_flush:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print