====================================== | [ 10.145982][ T182] softirqs last disabled at (29858): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.145985][ T182] Preemption disabled at: | [ 10.145985][ T182] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.145994][ T182] Tainted: [W]=WARN [ 10.145995][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.145997][ T182] Call Trace: [ 10.145998][ T182] [ 10.146000][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.146005][ T182] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.146007][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 10.146011][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.146015][ T182] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.146020][ T182] __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)) [ 10.146023][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.146029][ T182] ? 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) [ 10.146031][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.146035][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 10.146037][ T182] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 10.146040][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.146043][ T182] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.146049][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.146056][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.146059][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.146062][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.146066][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.146070][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.146074][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.146076][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.146080][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.146084][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.146085][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146090][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.146093][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.146094][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.146096][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.146100][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.146102][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.146105][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 10.146108][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.146111][ T182] ? save_trace (kernel/locking/lockdep.c:589) [ 10.146115][ T182] _printk (kernel/printk/printk.c:2504) [ 10.146119][ T182] ? snapshot_read.cold (user.c:?) [ 10.146122][ T182] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.146125][ T182] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.146128][ T182] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.146130][ T182] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.146133][ T182] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.146135][ T182] ? netdev_notice (net/core/dev.c:13194) [ 10.146138][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.146141][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.146144][ T182] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.146147][ T182] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.146150][ T182] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.146153][ T182] ? register_netdev (net/core/dev.c:11618) [ 10.146155][ T182] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 10.146160][ T182] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.146162][ T182] ? __kernel_text_address (kernel/extable.c:79) [ 10.146165][ T182] ? write_profile (profile.c:?) [ 10.146169][ T182] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.146174][ T182] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.146178][ T182] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.146181][ T182] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.146182][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.146186][ T182] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.146189][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.146191][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.146193][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.146196][ T182] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.146198][ T182] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.146199][ T182] ? kasan_save_track (mm/kasan/common.c:78) [ 10.146202][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146204][ T182] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 10.146207][ T182] ? ___sys_sendmsg (net/socket.c:2757) [ 10.146212][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.146214][ T182] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.146217][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.146219][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.146221][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.146222][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.146224][ T182] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.146227][ T182] ? __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) [ 10.146230][ T182] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.146232][ T182] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.146235][ T182] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.146237][ T182] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.146243][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.146249][ T182] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.146255][ T182] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.146257][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146262][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.146264][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.146267][ T182] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.146269][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.146273][ T182] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.146276][ T182] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.146279][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.146281][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146286][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.146288][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.146292][ T182] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.146294][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.146297][ T182] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.146303][ T182] ? 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)) [ 10.146305][ T182] ? 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)) [ 10.146309][ T182] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.146313][ T182] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.146316][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.146320][ T182] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.146324][ T182] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.146328][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.146334][ T182] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.146336][ T182] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.146338][ T182] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.146339][ T182] ? move_addr_to_kernel (net/socket.c:258) [ 10.146346][ T182] ___sys_sendmsg (net/socket.c:2767) [ 10.146349][ T182] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.146364][ T182] __sys_sendmsg (net/socket.c:2799) [ 10.146367][ T182] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.146373][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.146377][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.146379][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.146382][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.146384][ T182] RIP: 0033:0x7f0be309854e [ 10.146388][ T182] 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 [ 10.146390][ T182] RSP: 002b:00007ffd46f38ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.146392][ T182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0be309854e [ 10.146394][ T182] RDX: 0000000000000000 RSI: 00007ffd46f38b70 RDI: 0000000000000005 [ 10.146394][ T182] RBP: 00007ffd46f38ad0 R08: 0000000000000000 R09: 0000000000000000 [ 10.146395][ T182] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ee0 [ 10.146396][ T182] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd46f39230 | [ 12.438717][ T234] softirqs last disabled at (45158): br_device_event (./include/linux/spinlock.h:353 net/bridge/br.c:109) | [ 12.438721][ T234] Preemption disabled at: | [ 12.438721][ T234] 0x0 | [ 12.438735][ T234] Tainted: [W]=WARN [ 12.438736][ T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.438739][ T234] Call Trace: [ 12.438741][ T234] [ 12.438743][ T234] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.438751][ T234] __might_resched.cold (kernel/sched/core.c:9234) [ 12.438757][ T234] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.438763][ T234] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.438771][ T234] __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)) [ 12.438775][ T234] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.438785][ T234] ? 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) [ 12.438788][ T234] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.438794][ T234] put_chars (drivers/char/virtio_console.c:1176) [ 12.438797][ T234] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 12.438802][ T234] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.438814][ T234] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.438826][ T234] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.438831][ T234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.438839][ T234] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.438845][ T234] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.438852][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.438857][ T234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.438865][ T234] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.438871][ T234] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.438874][ T234] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.438884][ T234] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.438888][ T234] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.438890][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.438894][ T234] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.438900][ T234] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.438903][ T234] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.438912][ T234] vprintk_emit (kernel/printk/printk.c:2479) [ 12.438918][ T234] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.438920][ T234] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.438925][ T234] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.438929][ T234] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.438936][ T234] _printk (kernel/printk/printk.c:2504) [ 12.438941][ T234] ? snapshot_read.cold (user.c:?) [ 12.438955][ T234] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 12.438963][ T234] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 12.438970][ T234] br_device_event (net/bridge/br.c:111) [ 12.438973][ T234] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.438978][ T234] ? packet_sendmsg_spkt (af_packet.c:?) [ 12.438989][ T234] notifier_call_chain (kernel/notifier.c:85) [ 12.438999][ T234] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 12.439006][ T234] ? netif_change_name (net/core/dev.c:1517) [ 12.439011][ T234] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 12.439015][ T234] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 12.439020][ T234] ? __kernel_text_address (kernel/extable.c:79) [ 12.439024][ T234] ? write_profile (profile.c:?) [ 12.439031][ T234] netif_change_flags (net/core/dev.c:9882) [ 12.439038][ T234] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 12.439045][ T234] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.439048][ T234] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.439051][ T234] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.439055][ T234] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.439059][ T234] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.439063][ T234] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.439066][ T234] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.439071][ T234] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.439074][ T234] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.439076][ T234] ? kasan_save_track (mm/kasan/common.c:78) [ 12.439080][ T234] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.439084][ T234] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 12.439088][ T234] ? ___sys_sendmsg (net/socket.c:2757) [ 12.439095][ T234] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.439098][ T234] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.439104][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.439107][ T234] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.439110][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.439112][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.439115][ T234] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.439120][ T234] ? __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) [ 12.439122][ T234] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.439126][ T234] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.439133][ T234] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.439142][ T234] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.439152][ T234] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.439162][ T234] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.439166][ T234] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.439174][ T234] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.439177][ T234] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.439181][ T234] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.439185][ T234] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.439191][ T234] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.439195][ T234] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.439201][ T234] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.439204][ T234] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.439213][ T234] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.439216][ T234] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.439223][ T234] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.439226][ T234] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.439231][ T234] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.439243][ T234] ? 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)) [ 12.439246][ T234] ? 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)) [ 12.439254][ T234] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.439261][ T234] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.439266][ T234] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.439274][ T234] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.439281][ T234] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.439288][ T234] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.439297][ T234] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.439301][ T234] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.439304][ T234] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.439307][ T234] ? move_addr_to_kernel (net/socket.c:258) [ 12.439320][ T234] ___sys_sendmsg (net/socket.c:2767) [ 12.439325][ T234] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.439356][ T234] __sys_sendmsg (net/socket.c:2799) [ 12.439361][ T234] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.439372][ T234] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.439378][ T234] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.439381][ T234] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.439386][ T234] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.439389][ T234] RIP: 0033:0x7fc744a4654e [ 12.439393][ T234] 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 [ 12.439396][ T234] RSP: 002b:00007ffcaa19d9f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.439400][ T234] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc744a4654e [ 12.439402][ T234] RDX: 0000000000000000 RSI: 00007ffcaa19daa0 RDI: 0000000000000005 [ 12.439404][ T234] RBP: 00007ffcaa19da00 R08: 0000000000000000 R09: 0000000000000000 [ 12.439405][ T234] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ee2 [ 12.439407][ T234] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcaa19e160 | [ 12.493367][ C0] | [ 12.493368][ C0] | [ 12.493368][ C0] stack backtrace: | [ 12.493374][ C0] Tainted: [W]=WARN [ 12.493375][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.493377][ C0] Call Trace: [ 12.493378][ C0] [ 12.493379][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.493382][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 12.493385][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 12.493387][ C0] ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450) [ 12.493390][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 12.493392][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 12.493394][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 12.493397][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.493399][ C0] ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 12.493400][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.493403][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.493405][ C0] console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 12.493406][ C0] ? console_trylock_spinning (kernel/printk/printk.c:2026 (discriminator 2)) [ 12.493408][ C0] vprintk_emit (kernel/printk/printk.c:2478) [ 12.493409][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.493412][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:434 kernel/time/clocksource.c:664) [ 12.493414][ C0] _printk (kernel/printk/printk.c:2504) [ 12.493415][ C0] ? snapshot_read.cold (user.c:?) [ 12.493417][ C0] ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:434 kernel/time/clocksource.c:664) [ 12.493419][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.493422][ C0] clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10)) [ 12.493423][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 12.493425][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 12.493427][ C0] call_timer_fn (kernel/time/timer.c:1748) [ 12.493429][ C0] ? detach_if_pending (./include/linux/list.h:1159) [ 12.493430][ C0] ? debug_object_active_state (lib/debugobjects.c:1122) [ 12.493433][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.493435][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.493437][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.493439][ C0] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 12.493440][ C0] ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4)) [ 12.493443][ C0] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407) [ 12.493444][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.493447][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.493449][ C0] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 12.493450][ C0] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 12.493452][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.493455][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.493456][ C0] handle_softirqs (kernel/softirq.c:645) [ 12.493458][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.493460][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 12.493463][ C0] __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) [ 12.493464][ C0] irq_exit_rcu (kernel/softirq.c:784) [ 12.493466][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37)) [ 12.493468][ C0] [ 12.493468][ C0] [ 12.493469][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 12.493471][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674) [ 12.493473][ C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63) [ 12.493476][ C0] Code: 48 8b 3d 94 12 09 02 e8 1f 00 00 00 48 2b 05 58 a3 a6 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 56 1b 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 94 12 09 02 mov 0x2091294(%rip),%rdi # 0x209129b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 58 a3 a6 00 sub 0xa6a358(%rip),%rax # 0xa6a36b 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 13 56 1b 00 verw 0x1b5613(%rip) # 0x1b563b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 12.493478][ C0] RSP: 0018:ffffffffbb807cf8 EFLAGS: 00000296 [ 12.493479][ C0] RAX: 00000000000598ef RBX: ffffffffbb81c600 RCX: ffffffffb86fa307 [ 12.493481][ C0] RDX: ffffffffbb81c600 RSI: ffffffffbb6a7f75 RDI: ffffffffbb08f560 [ 12.493482][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 12.493483][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff7700fa2 [ 12.493483][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 12.493485][ C0] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 12.493488][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.493489][ C0] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768) [ 12.493491][ C0] default_idle_call (kernel/sched/idle.c:122) [ 12.493493][ C0] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 12.493494][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 12.493496][ C0] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 12.493500][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.493501][ C0] do_idle (kernel/sched/idle.c:355) [ 12.493503][ C0] cpu_startup_entry (kernel/sched/idle.c:454) [ 12.493505][ C0] rest_init (init/main.c:727) [ 12.493507][ C0] ? __cpuidle_text_end (??:?) [ 12.493509][ C0] ? rest_init (init/main.c:727) [ 12.493511][ C0] ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1)) [ 12.493515][ C0] ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1)) [ 12.493517][ C0] ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47) [ 12.493519][ C0] start_kernel (init/main.c:1185) [ 12.493520][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:310) [ 12.493522][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:291) [ 12.493524][ C0] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 14.597907][ T94] softirqs last disabled at (50681): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.597909][ T94] Preemption disabled at: | [ 14.597910][ T94] 0x0 | [ 14.597920][ T94] Tainted: [W]=WARN [ 14.597921][ T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.597923][ T94] Workqueue: events_unbound linkwatch_event [ 14.597930][ T94] Call Trace: [ 14.597932][ T94] [ 14.597933][ T94] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.597938][ T94] __might_resched.cold (kernel/sched/core.c:9234) [ 14.597942][ T94] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 14.597946][ T94] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.597948][ T94] ? record_print_text (kernel/printk/printk.c:1467) [ 14.597952][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.597955][ T94] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.597961][ T94] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.597963][ T94] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.597967][ T94] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.597968][ T94] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.597971][ T94] put_chars (drivers/char/virtio_console.c:1176) [ 14.597973][ T94] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.597976][ T94] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 14.597979][ T94] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.597983][ T94] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.597985][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.597986][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.597988][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.597990][ T94] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.597993][ T94] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.597994][ T94] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 14.597996][ T94] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 14.597998][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.597999][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.598000][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.598001][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.598003][ T94] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 14.598005][ T94] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.598007][ T94] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.598009][ T94] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.598010][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.598012][ T94] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.598013][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.598015][ T94] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 14.598016][ T94] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.598018][ T94] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 14.598020][ T94] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.598022][ T94] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.598024][ T94] vprintk_emit (kernel/printk/printk.c:2479) [ 14.598026][ T94] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.598027][ T94] ? 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) [ 14.598029][ T94] _printk (kernel/printk/printk.c:2504) [ 14.598032][ T94] ? snapshot_read.cold (user.c:?) [ 14.598034][ T94] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 14.598037][ T94] ? port_cost (net/bridge/br_if.c:40) [ 14.598040][ T94] ? br_multicast_flood (??:?) [ 14.598043][ T94] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 14.598045][ T94] br_init_port (net/bridge/br_stp_if.c:39) [ 14.598048][ T94] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 14.598049][ T94] br_port_carrier_check (net/bridge/br_if.c:90) [ 14.598052][ T94] br_device_event (net/bridge/br.c:101) [ 14.598054][ T94] ? packet_sendmsg_spkt (af_packet.c:?) [ 14.598056][ T94] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 14.598059][ T94] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 14.598062][ T94] notifier_call_chain (kernel/notifier.c:85) [ 14.598065][ T94] netif_state_change (net/core/dev.c:1625) [ 14.598068][ T94] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.598070][ T94] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 14.598072][ T94] __linkwatch_run_queue (net/core/link_watch.c:240) [ 14.598074][ T94] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.598076][ T94] ? debug_object_active_state (lib/debugobjects.c:1122) [ 14.598080][ T94] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 14.598082][ T94] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 14.598084][ T94] process_one_work (kernel/workqueue.c:3387) [ 14.598087][ T94] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 14.598089][ T94] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.598091][ T94] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.598093][ T94] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 14.598095][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.598096][ T94] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 14.598098][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.598100][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 14.598101][ T94] kthread (kernel/kthread.c:436) [ 14.598103][ T94] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.598106][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.598108][ T94] ret_from_fork (arch/x86/kernel/process.c:158) [ 14.598111][ T94] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 14.598113][ T94] ? trace_x86_fpu_regs_deactivated (./arch/x86/include/asm/trace/fpu.h:52 (discriminator 22)) [ 14.598116][ T94] ? save_fpregs_to_fpstate (arch/x86/kernel/fpu/core.c:144) [ 14.598118][ T94] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 14.598120][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 14.598122][ T94] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 15.895303][ T242] softirqs last disabled at (0): 0x0 | [ 15.895305][ T242] Preemption disabled at: | [ 15.895306][ T242] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.895317][ T242] Tainted: [W]=WARN [ 15.895318][ T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.895320][ T242] Call Trace: [ 15.895321][ T242] [ 15.895322][ T242] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.895327][ T242] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.895329][ T242] __might_resched.cold (kernel/sched/core.c:9234) [ 15.895333][ T242] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.895336][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895339][ T242] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.895343][ T242] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.895345][ T242] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.895349][ T242] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.895350][ T242] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.895352][ T242] put_chars (drivers/char/virtio_console.c:1176) [ 15.895355][ T242] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.895357][ T242] ? desc_read (kernel/printk/printk_ringbuffer.c:500) [ 15.895359][ T242] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 15.895361][ T242] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 15.895362][ T242] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.895366][ T242] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:2206) [ 15.895368][ T242] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.895370][ T242] ? 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) [ 15.895372][ T242] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.895373][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895374][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.895377][ T242] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.895379][ T242] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.895380][ T242] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 15.895382][ T242] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 15.895385][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895386][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895387][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895388][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.895390][ T242] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 15.895391][ T242] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.895393][ T242] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.895395][ T242] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.895397][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.895398][ T242] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.895399][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895401][ T242] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 15.895402][ T242] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.895404][ T242] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 15.895406][ T242] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.895408][ T242] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.895409][ T242] vprintk_emit (kernel/printk/printk.c:2479) [ 15.895411][ T242] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.895413][ T242] ? packet_sendmsg_spkt (af_packet.c:?) [ 15.895417][ T242] _printk (kernel/printk/printk.c:2504) [ 15.895421][ T242] ? snapshot_read.cold (user.c:?) [ 15.895423][ T242] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.895425][ T242] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.895427][ T242] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 15.895429][ T242] ? netdev_notice (net/core/dev.c:13194) [ 15.895431][ T242] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 15.895434][ T242] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 15.895436][ T242] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 15.895441][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.895442][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895444][ T242] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 15.895446][ T242] ? ipvlan_port_create (./include/linux/netdevice.h:4516 (discriminator 29) ./include/linux/netdevice.h:4556 (discriminator 29) ./include/linux/netdevice.h:4552 (discriminator 29) drivers/net/ipvlan/ipvlan_main.c:101 (discriminator 29)) [ 15.895448][ T242] ? ipvlan_port_get (./include/linux/rcupdate.h:882 drivers/net/ipvlan/ipvlan_main.c:146) [ 15.895450][ T242] ? ipvlan_port_create (./include/linux/list.h:54 (discriminator 2) drivers/net/ipvlan/ipvlan_main.c:93 (discriminator 2)) [ 15.895451][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895453][ T242] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 15.895456][ T242] ? packet_sendmsg_spkt (af_packet.c:?) [ 15.895458][ T242] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 15.895459][ T242] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 15.895462][ T242] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 15.895464][ T242] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 15.895467][ T242] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 15.895469][ T242] ? 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) [ 15.895471][ T242] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 15.895473][ T242] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 15.895475][ T242] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 15.895477][ T242] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 15.895479][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895480][ T242] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 15.895482][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895488][ T242] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 15.895491][ T242] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.895493][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895494][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895495][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.895497][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895498][ T242] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 15.895500][ T242] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 15.895503][ T242] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.895504][ T242] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.895506][ T242] ? __kernel_text_address (kernel/extable.c:79) [ 15.895508][ T242] ? write_profile (profile.c:?) [ 15.895511][ T242] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 15.895512][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895513][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895515][ T242] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 15.895518][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.895520][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895521][ T242] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 15.895523][ T242] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.895525][ T242] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.895527][ T242] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 15.895529][ T242] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 15.895532][ T242] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.895535][ T242] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.895537][ T242] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 15.895539][ T242] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.895540][ T242] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 15.895542][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895543][ T242] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 15.895546][ T242] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.895548][ T242] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.895549][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895550][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895552][ T242] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.895554][ T242] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.895556][ T242] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.895557][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895559][ T242] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 15.895561][ T242] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.895563][ T242] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.895565][ T242] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.895566][ T242] ? move_addr_to_kernel (net/socket.c:258) [ 15.895567][ T242] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 15.895570][ T242] ___sys_sendmsg (net/socket.c:2767) [ 15.895571][ T242] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.895576][ T242] __sys_sendmsg (net/socket.c:2799) [ 15.895578][ T242] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.895580][ T242] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.895582][ T242] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.895583][ T242] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.895585][ T242] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.895587][ T242] RIP: 0033:0x7f981159d54e [ 15.895589][ T242] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 15.895590][ T242] RSP: 002b:00007ffe842471b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.895594][ T242] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f981159d54e [ 15.895595][ T242] RDX: 0000000000000000 RSI: 00007ffe84247260 RDI: 0000000000000005 [ 15.895596][ T242] RBP: 00007ffe842471c0 R08: 0000000000000000 R09: 0000000000000000 [ 15.895597][ T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ee6 [ 15.895598][ T242] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe84247920 | [ 17.392434][ T256] softirqs last disabled at (0): 0x0 | [ 17.392436][ T256] Preemption disabled at: | [ 17.392436][ T256] 0x0 | [ 17.392445][ T256] Tainted: [W]=WARN [ 17.392446][ T256] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.392448][ T256] Call Trace: [ 17.392449][ T256] [ 17.392451][ T256] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.392456][ T256] __might_resched.cold (kernel/sched/core.c:9234) [ 17.392460][ T256] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.392463][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392466][ T256] __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)) [ 17.392470][ T256] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.392472][ T256] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.392477][ T256] ? 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) [ 17.392478][ T256] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.392480][ T256] put_chars (drivers/char/virtio_console.c:1176) [ 17.392483][ T256] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 17.392485][ T256] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.392488][ T256] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.392493][ T256] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.392494][ T256] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.392496][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.392498][ T256] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.392501][ T256] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.392502][ T256] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 17.392504][ T256] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 17.392507][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392508][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392509][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392510][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.392513][ T256] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 17.392514][ T256] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.392516][ T256] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.392518][ T256] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.392520][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.392521][ T256] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.392522][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392524][ T256] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 17.392525][ T256] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.392527][ T256] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 17.392529][ T256] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.392531][ T256] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.392533][ T256] vprintk_emit (kernel/printk/printk.c:2479) [ 17.392534][ T256] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.392536][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392537][ T256] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.392540][ T256] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 17.392542][ T256] _printk (kernel/printk/printk.c:2504) [ 17.392545][ T256] ? snapshot_read.cold (user.c:?) [ 17.392547][ T256] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 17.392551][ T256] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 17.392553][ T256] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 17.392556][ T256] br_device_event (net/bridge/br.c:111) [ 17.392558][ T256] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 17.392561][ T256] ? packet_sendmsg_spkt (af_packet.c:?) [ 17.392563][ T256] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 17.392566][ T256] notifier_call_chain (kernel/notifier.c:85) [ 17.392569][ T256] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 17.392573][ T256] ? netif_change_name (net/core/dev.c:1517) [ 17.392575][ T256] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 17.392576][ T256] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 17.392578][ T256] ? __kernel_text_address (kernel/extable.c:79) [ 17.392580][ T256] ? write_profile (profile.c:?) [ 17.392583][ T256] netif_change_flags (net/core/dev.c:9882) [ 17.392585][ T256] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 17.392588][ T256] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 17.392590][ T256] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 17.392592][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392593][ T256] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 17.392596][ T256] ? kasan_save_stack (mm/kasan/common.c:58) [ 17.392598][ T256] ? kasan_save_stack (mm/kasan/common.c:57) [ 17.392599][ T256] ? kasan_save_track (mm/kasan/common.c:78) [ 17.392600][ T256] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 17.392601][ T256] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 17.392603][ T256] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 17.392604][ T256] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 17.392606][ T256] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 17.392609][ T256] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 17.392610][ T256] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 17.392612][ T256] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 17.392614][ T256] ? ___sys_sendmsg (net/socket.c:2767) [ 17.392615][ T256] ? __sys_sendmsg (net/socket.c:2799) [ 17.392617][ T256] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.392618][ T256] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.392621][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392622][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.392624][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392625][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392627][ T256] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 17.392628][ T256] ? __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) [ 17.392630][ T256] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 17.392631][ T256] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 17.392633][ T256] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 17.392635][ T256] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 17.392637][ T256] rtnl_newlink (net/core/rtnetlink.c:4215) [ 17.392640][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392641][ T256] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.392647][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.392649][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392651][ T256] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 17.392653][ T256] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 17.392655][ T256] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 17.392656][ T256] ? __kernel_text_address (kernel/extable.c:79) [ 17.392658][ T256] ? write_profile (profile.c:?) [ 17.392660][ T256] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 17.392663][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392664][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392665][ T256] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 17.392669][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.392670][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392672][ T256] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 17.392673][ T256] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 17.392675][ T256] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.392677][ T256] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 17.392679][ T256] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 17.392681][ T256] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 17.392683][ T256] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 17.392684][ T256] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 17.392686][ T256] ? netlink_ack (./include/linux/skbuff.h:2718) [ 17.392688][ T256] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 17.392690][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392691][ T256] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 17.392693][ T256] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 17.392695][ T256] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 17.392697][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392698][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392700][ T256] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.392702][ T256] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 17.392703][ T256] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 17.392705][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392707][ T256] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 17.392709][ T256] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 17.392710][ T256] ? copy_msghdr_from_user (net/socket.c:2650) [ 17.392711][ T256] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 17.392713][ T256] ? move_addr_to_kernel (net/socket.c:258) [ 17.392714][ T256] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 17.392717][ T256] ___sys_sendmsg (net/socket.c:2767) [ 17.392718][ T256] ? copy_msghdr_from_user (net/socket.c:2619) [ 17.392723][ T256] __sys_sendmsg (net/socket.c:2799) [ 17.392724][ T256] ? __sys_sendmsg_sock (net/socket.c:2780) [ 17.392727][ T256] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.392728][ T256] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 17.392729][ T256] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 17.392732][ T256] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 17.392733][ T256] RIP: 0033:0x7fa122a2a54e [ 17.392735][ T256] 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 [ 17.392737][ T256] RSP: 002b:00007ffc4643bc30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 17.392741][ T256] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa122a2a54e [ 17.392742][ T256] RDX: 0000000000000000 RSI: 00007ffc4643bce0 RDI: 0000000000000005 [ 17.392743][ T256] RBP: 00007ffc4643bc40 R08: 0000000000000000 R09: 0000000000000000 [ 17.392744][ T256] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ee7 [ 17.392744][ T256] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4643c3a0 | [ 19.477557][ T94] softirqs last disabled at (50681): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 19.477560][ T94] Preemption disabled at: | [ 19.477561][ T94] 0x0 | [ 19.477574][ T94] Tainted: [W]=WARN [ 19.477575][ T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 19.477578][ T94] Workqueue: events_unbound linkwatch_event [ 19.477586][ T94] Call Trace: [ 19.477588][ T94] [ 19.477590][ T94] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 19.477596][ T94] __might_resched.cold (kernel/sched/core.c:9234) [ 19.477600][ T94] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 19.477606][ T94] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 19.477609][ T94] ? record_print_text (kernel/printk/printk.c:1467) [ 19.477614][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.477618][ T94] __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)) [ 19.477622][ T94] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.477625][ T94] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.477630][ T94] ? 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) [ 19.477632][ T94] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 19.477636][ T94] put_chars (drivers/char/virtio_console.c:1176) [ 19.477639][ T94] ? __send_to_port (drivers/char/virtio_console.c:654) [ 19.477643][ T94] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 19.477652][ T94] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 19.477659][ T94] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 19.477661][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.477663][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.477666][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.477670][ T94] console_emit_next_record (kernel/printk/printk.c:3183) [ 19.477674][ T94] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 19.477676][ T94] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 19.477679][ T94] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 19.477681][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.477683][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.477685][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.477687][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.477691][ T94] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 19.477693][ T94] console_flush_one_record (kernel/printk/printk.c:3268) [ 19.477696][ T94] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 19.477700][ T94] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 19.477702][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 19.477705][ T94] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 19.477707][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 19.477709][ T94] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 19.477711][ T94] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 19.477714][ T94] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 19.477716][ T94] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 19.477719][ T94] ? vprintk_emit (kernel/printk/printk.c:2478) [ 19.477721][ T94] vprintk_emit (kernel/printk/printk.c:2479) [ 19.477725][ T94] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 19.477727][ T94] ? 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) [ 19.477730][ T94] _printk (kernel/printk/printk.c:2504) [ 19.477734][ T94] ? snapshot_read.cold (user.c:?) [ 19.477736][ T94] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 19.477740][ T94] ? port_cost (net/bridge/br_if.c:40) [ 19.477745][ T94] ? br_multicast_flood (??:?) [ 19.477749][ T94] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 19.477753][ T94] br_init_port (net/bridge/br_stp_if.c:39) [ 19.477756][ T94] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 19.477759][ T94] br_port_carrier_check (net/bridge/br_if.c:90) [ 19.477763][ T94] br_device_event (net/bridge/br.c:101) [ 19.477766][ T94] ? packet_sendmsg_spkt (af_packet.c:?) [ 19.477769][ T94] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 19.477773][ T94] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 19.477776][ T94] notifier_call_chain (kernel/notifier.c:85) [ 19.477781][ T94] netif_state_change (net/core/dev.c:1625) [ 19.477785][ T94] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 19.477789][ T94] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 19.477792][ T94] __linkwatch_run_queue (net/core/link_watch.c:240) [ 19.477795][ T94] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 19.477798][ T94] ? debug_object_active_state (lib/debugobjects.c:1122) [ 19.477804][ T94] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 19.477807][ T94] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 19.477810][ T94] process_one_work (kernel/workqueue.c:3387) [ 19.477815][ T94] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 19.477818][ T94] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 19.477821][ T94] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 19.477825][ T94] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 19.477828][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.477830][ T94] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 19.477833][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.477835][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 19.477837][ T94] kthread (kernel/kthread.c:436) [ 19.477840][ T94] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 19.477844][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.477847][ T94] ret_from_fork (arch/x86/kernel/process.c:158) [ 19.477852][ T94] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 19.477855][ T94] ? trace_x86_fpu_regs_deactivated (./arch/x86/include/asm/trace/fpu.h:52 (discriminator 22)) [ 19.477859][ T94] ? save_fpregs_to_fpstate (arch/x86/kernel/fpu/core.c:144) [ 19.477862][ T94] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 19.477865][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 19.477868][ T94] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 20.716831][ T264] softirqs last disabled at (0): 0x0 | [ 20.716833][ T264] Preemption disabled at: | [ 20.716833][ T264] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.716844][ T264] Tainted: [W]=WARN [ 20.716845][ T264] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.716847][ T264] Call Trace: [ 20.716848][ T264] [ 20.716850][ T264] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.716855][ T264] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.716856][ T264] __might_resched.cold (kernel/sched/core.c:9234) [ 20.716860][ T264] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.716863][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.716866][ T264] __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)) [ 20.716870][ T264] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.716873][ T264] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.716877][ T264] ? 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) [ 20.716878][ T264] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.716880][ T264] put_chars (drivers/char/virtio_console.c:1176) [ 20.716883][ T264] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.716885][ T264] ? desc_read (kernel/printk/printk_ringbuffer.c:500) [ 20.716887][ T264] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 20.716888][ T264] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 20.716890][ T264] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.716894][ T264] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:2206) [ 20.716896][ T264] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.716898][ T264] ? 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) [ 20.716899][ T264] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 20.716900][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.716902][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.716904][ T264] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.716906][ T264] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.716908][ T264] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 20.716910][ T264] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 20.716912][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.716914][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.716915][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.716916][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.716918][ T264] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 20.716920][ T264] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.716921][ T264] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.716924][ T264] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.716925][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.716927][ T264] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.716928][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.716929][ T264] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 20.716931][ T264] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 20.716933][ T264] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 20.716935][ T264] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.716937][ T264] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.716939][ T264] vprintk_emit (kernel/printk/printk.c:2479) [ 20.716941][ T264] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.716942][ T264] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.716947][ T264] _printk (kernel/printk/printk.c:2504) [ 20.716950][ T264] ? snapshot_read.cold (user.c:?) [ 20.716952][ T264] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.716955][ T264] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.716957][ T264] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.716961][ T264] ? netdev_notice (net/core/dev.c:13194) [ 20.716964][ T264] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 20.716967][ T264] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 20.716970][ T264] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 20.716974][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.716975][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.716977][ T264] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 20.716979][ T264] ? ipvlan_port_create (./include/linux/netdevice.h:4516 (discriminator 29) ./include/linux/netdevice.h:4556 (discriminator 29) ./include/linux/netdevice.h:4552 (discriminator 29) drivers/net/ipvlan/ipvlan_main.c:101 (discriminator 29)) [ 20.716981][ T264] ? ipvlan_port_get (./include/linux/rcupdate.h:882 drivers/net/ipvlan/ipvlan_main.c:146) [ 20.716983][ T264] ? ipvlan_port_create (./include/linux/list.h:54 (discriminator 2) drivers/net/ipvlan/ipvlan_main.c:93 (discriminator 2)) [ 20.716984][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.716986][ T264] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 20.716989][ T264] ? packet_sendmsg_spkt (af_packet.c:?) [ 20.716991][ T264] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 20.716993][ T264] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 20.716995][ T264] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 20.716998][ T264] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 20.717000][ T264] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 20.717002][ T264] ? 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) [ 20.717004][ T264] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 20.717006][ T264] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 20.717009][ T264] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 20.717011][ T264] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 20.717012][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.717014][ T264] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.717016][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.717021][ T264] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 20.717024][ T264] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.717026][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.717028][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.717029][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.717031][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.717032][ T264] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 20.717034][ T264] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 20.717037][ T264] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 20.717038][ T264] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 20.717040][ T264] ? __kernel_text_address (kernel/extable.c:79) [ 20.717042][ T264] ? write_profile (profile.c:?) [ 20.717045][ T264] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 20.717046][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.717048][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.717049][ T264] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 20.717052][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.717054][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.717055][ T264] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 20.717057][ T264] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 20.717059][ T264] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.717061][ T264] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 20.717063][ T264] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 20.717066][ T264] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 20.717069][ T264] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.717071][ T264] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 20.717073][ T264] ? netlink_ack (./include/linux/skbuff.h:2718) [ 20.717074][ T264] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 20.717076][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.717078][ T264] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 20.717080][ T264] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 20.717082][ T264] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.717084][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.717085][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.717086][ T264] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.717088][ T264] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 20.717090][ T264] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.717092][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.717093][ T264] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 20.717095][ T264] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 20.717098][ T264] ? copy_msghdr_from_user (net/socket.c:2650) [ 20.717099][ T264] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 20.717101][ T264] ? move_addr_to_kernel (net/socket.c:258) [ 20.717102][ T264] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 20.717104][ T264] ___sys_sendmsg (net/socket.c:2767) [ 20.717106][ T264] ? copy_msghdr_from_user (net/socket.c:2619) [ 20.717110][ T264] __sys_sendmsg (net/socket.c:2799) [ 20.717112][ T264] ? __sys_sendmsg_sock (net/socket.c:2780) [ 20.717115][ T264] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.717116][ T264] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.717118][ T264] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.717120][ T264] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.717122][ T264] RIP: 0033:0x7f692a63454e [ 20.717124][ T264] 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 [ 20.717125][ T264] RSP: 002b:00007fffd91d0760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.717129][ T264] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f692a63454e [ 20.717130][ T264] RDX: 0000000000000000 RSI: 00007fffd91d0810 RDI: 0000000000000005 [ 20.717131][ T264] RBP: 00007fffd91d0770 R08: 0000000000000000 R09: 0000000000000000 [ 20.717132][ T264] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912eea [ 20.717133][ T264] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffd91d0ed0 | [ 22.243107][ T279] softirqs last disabled at (0): 0x0 | [ 22.243109][ T279] Preemption disabled at: | [ 22.243109][ T279] 0x0 | [ 22.243118][ T279] Tainted: [W]=WARN [ 22.243118][ T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.243120][ T279] Call Trace: [ 22.243122][ T279] [ 22.243123][ T279] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.243128][ T279] __might_resched.cold (kernel/sched/core.c:9234) [ 22.243132][ T279] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.243135][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243138][ T279] __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)) [ 22.243142][ T279] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.243145][ T279] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.243149][ T279] ? 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) [ 22.243150][ T279] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.243153][ T279] put_chars (drivers/char/virtio_console.c:1176) [ 22.243155][ T279] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 22.243158][ T279] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.243161][ T279] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.243165][ T279] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.243167][ T279] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.243168][ T279] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.243171][ T279] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.243174][ T279] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.243175][ T279] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 22.243177][ T279] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 22.243180][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243181][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243182][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243184][ T279] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.243186][ T279] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 22.243187][ T279] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.243189][ T279] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.243191][ T279] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.243193][ T279] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.243194][ T279] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.243196][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243197][ T279] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 22.243199][ T279] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 22.243200][ T279] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 22.243202][ T279] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.243204][ T279] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.243206][ T279] vprintk_emit (kernel/printk/printk.c:2479) [ 22.243208][ T279] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.243209][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243210][ T279] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 22.243214][ T279] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 22.243215][ T279] _printk (kernel/printk/printk.c:2504) [ 22.243219][ T279] ? snapshot_read.cold (user.c:?) [ 22.243221][ T279] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 22.243224][ T279] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 22.243227][ T279] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 22.243230][ T279] br_device_event (net/bridge/br.c:111) [ 22.243232][ T279] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 22.243236][ T279] ? packet_sendmsg_spkt (af_packet.c:?) [ 22.243238][ T279] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 22.243241][ T279] notifier_call_chain (kernel/notifier.c:85) [ 22.243244][ T279] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 22.243248][ T279] ? netif_change_name (net/core/dev.c:1517) [ 22.243250][ T279] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 22.243252][ T279] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 22.243254][ T279] ? __kernel_text_address (kernel/extable.c:79) [ 22.243256][ T279] ? write_profile (profile.c:?) [ 22.243259][ T279] netif_change_flags (net/core/dev.c:9882) [ 22.243261][ T279] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 22.243265][ T279] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 22.243266][ T279] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 22.243268][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243269][ T279] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 22.243273][ T279] ? kasan_save_stack (mm/kasan/common.c:58) [ 22.243275][ T279] ? kasan_save_stack (mm/kasan/common.c:57) [ 22.243276][ T279] ? kasan_save_track (mm/kasan/common.c:78) [ 22.243277][ T279] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 22.243278][ T279] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 22.243279][ T279] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 22.243281][ T279] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 22.243283][ T279] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 22.243285][ T279] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 22.243287][ T279] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 22.243288][ T279] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 22.243291][ T279] ? ___sys_sendmsg (net/socket.c:2767) [ 22.243292][ T279] ? __sys_sendmsg (net/socket.c:2799) [ 22.243294][ T279] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.243295][ T279] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.243298][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243299][ T279] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.243301][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243302][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243303][ T279] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 22.243305][ T279] ? __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) [ 22.243306][ T279] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 22.243308][ T279] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.243310][ T279] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 22.243312][ T279] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 22.243314][ T279] rtnl_newlink (net/core/rtnetlink.c:4215) [ 22.243316][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243318][ T279] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.243319][ T279] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.243321][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243323][ T279] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 22.243326][ T279] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 22.243327][ T279] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 22.243329][ T279] ? __kernel_text_address (kernel/extable.c:79) [ 22.243330][ T279] ? write_profile (profile.c:?) [ 22.243332][ T279] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 22.243335][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243336][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243337][ T279] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 22.243340][ T279] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.243342][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243343][ T279] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.243345][ T279] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 22.243347][ T279] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.243349][ T279] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 22.243351][ T279] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 22.243353][ T279] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 22.243354][ T279] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.243356][ T279] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 22.243358][ T279] ? netlink_ack (./include/linux/skbuff.h:2718) [ 22.243359][ T279] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 22.243362][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243363][ T279] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 22.243365][ T279] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 22.243367][ T279] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 22.243369][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243370][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243371][ T279] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.243373][ T279] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 22.243375][ T279] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.243377][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243379][ T279] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 22.243381][ T279] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 22.243382][ T279] ? copy_msghdr_from_user (net/socket.c:2650) [ 22.243384][ T279] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 22.243385][ T279] ? move_addr_to_kernel (net/socket.c:258) [ 22.243386][ T279] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 22.243389][ T279] ___sys_sendmsg (net/socket.c:2767) [ 22.243390][ T279] ? copy_msghdr_from_user (net/socket.c:2619) [ 22.243395][ T279] __sys_sendmsg (net/socket.c:2799) [ 22.243396][ T279] ? __sys_sendmsg_sock (net/socket.c:2780) [ 22.243399][ T279] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.243401][ T279] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.243402][ T279] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.243404][ T279] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.243406][ T279] RIP: 0033:0x7f9ccc18754e [ 22.243407][ T279] 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 [ 22.243409][ T279] RSP: 002b:00007fff283be950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.243413][ T279] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9ccc18754e [ 22.243414][ T279] RDX: 0000000000000000 RSI: 00007fff283bea00 RDI: 0000000000000005 [ 22.243415][ T279] RBP: 00007fff283be960 R08: 0000000000000000 R09: 0000000000000000 [ 22.243416][ T279] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912eec [ 22.243417][ T279] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff283bf0c0 | [ 24.318277][ T94] softirqs last disabled at (50681): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 24.318279][ T94] Preemption disabled at: | [ 24.318280][ T94] 0x0 | [ 24.318290][ T94] Tainted: [W]=WARN [ 24.318291][ T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.318293][ T94] Workqueue: events_unbound linkwatch_event [ 24.318300][ T94] Call Trace: [ 24.318301][ T94] [ 24.318302][ T94] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.318307][ T94] __might_resched.cold (kernel/sched/core.c:9234) [ 24.318311][ T94] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 24.318314][ T94] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.318317][ T94] ? record_print_text (kernel/printk/printk.c:1467) [ 24.318321][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.318324][ T94] __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)) [ 24.318327][ T94] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.318329][ T94] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.318334][ T94] ? 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) [ 24.318335][ T94] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.318338][ T94] put_chars (drivers/char/virtio_console.c:1176) [ 24.318340][ T94] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.318342][ T94] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 24.318345][ T94] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.318350][ T94] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.318351][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.318353][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.318354][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.318357][ T94] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.318359][ T94] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.318360][ T94] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 24.318362][ T94] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 24.318364][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.318365][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.318366][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.318368][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.318370][ T94] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 24.318371][ T94] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.318373][ T94] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.318376][ T94] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.318377][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.318379][ T94] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.318380][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.318381][ T94] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 24.318383][ T94] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 24.318385][ T94] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 24.318387][ T94] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.318389][ T94] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.318390][ T94] vprintk_emit (kernel/printk/printk.c:2479) [ 24.318392][ T94] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.318394][ T94] ? 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) [ 24.318396][ T94] _printk (kernel/printk/printk.c:2504) [ 24.318399][ T94] ? snapshot_read.cold (user.c:?) [ 24.318400][ T94] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 24.318403][ T94] ? port_cost (net/bridge/br_if.c:40) [ 24.318407][ T94] ? br_multicast_flood (??:?) [ 24.318410][ T94] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 24.318412][ T94] br_init_port (net/bridge/br_stp_if.c:39) [ 24.318414][ T94] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 24.318415][ T94] br_port_carrier_check (net/bridge/br_if.c:90) [ 24.318418][ T94] br_device_event (net/bridge/br.c:101) [ 24.318421][ T94] ? packet_sendmsg_spkt (af_packet.c:?) [ 24.318424][ T94] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 24.318428][ T94] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 24.318430][ T94] notifier_call_chain (kernel/notifier.c:85) [ 24.318434][ T94] netif_state_change (net/core/dev.c:1625) [ 24.318437][ T94] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.318439][ T94] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 24.318441][ T94] __linkwatch_run_queue (net/core/link_watch.c:240) [ 24.318443][ T94] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.318445][ T94] ? debug_object_active_state (lib/debugobjects.c:1122) [ 24.318449][ T94] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 24.318451][ T94] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 24.318453][ T94] process_one_work (kernel/workqueue.c:3387) [ 24.318457][ T94] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 24.318458][ T94] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 24.318460][ T94] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.318462][ T94] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 24.318464][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.318465][ T94] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 24.318468][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.318469][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 24.318470][ T94] kthread (kernel/kthread.c:436) [ 24.318472][ T94] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 24.318475][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.318477][ T94] ret_from_fork (arch/x86/kernel/process.c:158) [ 24.318481][ T94] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 24.318483][ T94] ? trace_x86_fpu_regs_deactivated (./arch/x86/include/asm/trace/fpu.h:52 (discriminator 22)) [ 24.318486][ T94] ? save_fpregs_to_fpstate (arch/x86/kernel/fpu/core.c:144) [ 24.318488][ T94] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 24.318490][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 24.318492][ T94] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 25.561796][ T287] softirqs last disabled at (0): 0x0 | [ 25.561798][ T287] Preemption disabled at: | [ 25.561798][ T287] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.561810][ T287] Tainted: [W]=WARN [ 25.561811][ T287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.561813][ T287] Call Trace: [ 25.561814][ T287] [ 25.561816][ T287] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.561820][ T287] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.561822][ T287] __might_resched.cold (kernel/sched/core.c:9234) [ 25.561826][ T287] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.561828][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.561832][ T287] __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)) [ 25.561835][ T287] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.561838][ T287] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.561842][ T287] ? 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) [ 25.561843][ T287] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.561846][ T287] put_chars (drivers/char/virtio_console.c:1176) [ 25.561849][ T287] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.561851][ T287] ? desc_read (kernel/printk/printk_ringbuffer.c:500) [ 25.561853][ T287] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 25.561854][ T287] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 25.561856][ T287] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.561860][ T287] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:2206) [ 25.561862][ T287] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.561864][ T287] ? 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) [ 25.561866][ T287] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 25.561867][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.561868][ T287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.561871][ T287] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.561873][ T287] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.561875][ T287] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 25.561876][ T287] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 25.561879][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.561881][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.561882][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.561883][ T287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.561885][ T287] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 25.561887][ T287] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.561889][ T287] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.561891][ T287] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.561892][ T287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.561894][ T287] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.561896][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.561897][ T287] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 25.561899][ T287] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 25.561900][ T287] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 25.561902][ T287] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.561904][ T287] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.561906][ T287] vprintk_emit (kernel/printk/printk.c:2479) [ 25.561908][ T287] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.561910][ T287] ? packet_sendmsg_spkt (af_packet.c:?) [ 25.561914][ T287] _printk (kernel/printk/printk.c:2504) [ 25.561917][ T287] ? snapshot_read.cold (user.c:?) [ 25.561920][ T287] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 25.561922][ T287] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 25.561924][ T287] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.561926][ T287] ? netdev_notice (net/core/dev.c:13194) [ 25.561928][ T287] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 25.561931][ T287] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 25.561933][ T287] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 25.561937][ T287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.561939][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.561941][ T287] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 25.561944][ T287] ? ipvlan_port_create (./include/linux/netdevice.h:4516 (discriminator 29) ./include/linux/netdevice.h:4556 (discriminator 29) ./include/linux/netdevice.h:4552 (discriminator 29) drivers/net/ipvlan/ipvlan_main.c:101 (discriminator 29)) [ 25.561946][ T287] ? ipvlan_port_get (./include/linux/rcupdate.h:882 drivers/net/ipvlan/ipvlan_main.c:146) [ 25.561947][ T287] ? ipvlan_port_create (./include/linux/list.h:54 (discriminator 2) drivers/net/ipvlan/ipvlan_main.c:93 (discriminator 2)) [ 25.561948][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.561951][ T287] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 25.561954][ T287] ? packet_sendmsg_spkt (af_packet.c:?) [ 25.561956][ T287] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 25.561957][ T287] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 25.561962][ T287] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 25.561964][ T287] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 25.561967][ T287] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 25.561969][ T287] ? 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) [ 25.561971][ T287] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 25.561973][ T287] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 25.561976][ T287] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 25.561978][ T287] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 25.561980][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.561982][ T287] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 25.561983][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.561990][ T287] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 25.561993][ T287] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.561995][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.561996][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.561997][ T287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.561999][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.562001][ T287] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 25.562003][ T287] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 25.562005][ T287] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 25.562007][ T287] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 25.562009][ T287] ? __kernel_text_address (kernel/extable.c:79) [ 25.562011][ T287] ? write_profile (profile.c:?) [ 25.562014][ T287] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 25.562016][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.562017][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.562018][ T287] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 25.562022][ T287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.562023][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.562025][ T287] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 25.562027][ T287] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.562029][ T287] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.562031][ T287] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 25.562033][ T287] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 25.562036][ T287] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.562039][ T287] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.562041][ T287] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 25.562043][ T287] ? netlink_ack (./include/linux/skbuff.h:2718) [ 25.562045][ T287] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 25.562047][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.562048][ T287] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 25.562051][ T287] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.562053][ T287] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.562055][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.562056][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.562057][ T287] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.562059][ T287] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.562061][ T287] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.562063][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.562065][ T287] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 25.562067][ T287] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 25.562070][ T287] ? copy_msghdr_from_user (net/socket.c:2650) [ 25.562071][ T287] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 25.562073][ T287] ? move_addr_to_kernel (net/socket.c:258) [ 25.562074][ T287] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 25.562077][ T287] ___sys_sendmsg (net/socket.c:2767) [ 25.562079][ T287] ? copy_msghdr_from_user (net/socket.c:2619) [ 25.562083][ T287] __sys_sendmsg (net/socket.c:2799) [ 25.562085][ T287] ? __sys_sendmsg_sock (net/socket.c:2780) [ 25.562088][ T287] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.562089][ T287] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.562091][ T287] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.562093][ T287] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.562095][ T287] RIP: 0033:0x7f8adf91154e [ 25.562097][ T287] 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 [ 25.562099][ T287] RSP: 002b:00007fff126c7020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.562103][ T287] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f8adf91154e [ 25.562104][ T287] RDX: 0000000000000000 RSI: 00007fff126c70d0 RDI: 0000000000000005 [ 25.562105][ T287] RBP: 00007fff126c7030 R08: 0000000000000000 R09: 0000000000000000 [ 25.562106][ T287] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912eef [ 25.562107][ T287] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff126c7790 | [ 26.862158][ T227] softirqs last disabled at (2668): __fib6_clean_all (./include/linux/spinlock.h:353 (discriminator 32768) net/ipv6/ip6_fib.c:2323 (discriminator 32768)) | [ 26.862160][ T227] Preemption disabled at: | [ 26.862161][ T227] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.862172][ T227] Tainted: [W]=WARN [ 26.862173][ T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.862175][ T227] Workqueue: bond0 bond_mii_monitor [ 26.862181][ T227] Call Trace: [ 26.862183][ T227] [ 26.862186][ T227] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.862190][ T227] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.862192][ T227] __might_resched.cold (kernel/sched/core.c:9234) [ 26.862196][ T227] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.862199][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.862202][ T227] __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)) [ 26.862205][ T227] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.862208][ T227] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.862211][ T227] ? 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) [ 26.862213][ T227] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.862216][ T227] put_chars (drivers/char/virtio_console.c:1176) [ 26.862218][ T227] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.862220][ T227] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 26.862222][ T227] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 26.862223][ T227] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 26.862226][ T227] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.862230][ T227] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.862232][ T227] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.862233][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.862234][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.862236][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.862238][ T227] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.862241][ T227] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.862242][ T227] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 26.862244][ T227] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 26.862246][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.862247][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.862249][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.862250][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.862252][ T227] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 26.862253][ T227] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.862255][ T227] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.862257][ T227] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.862259][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.862261][ T227] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.862262][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.862263][ T227] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 26.862264][ T227] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.862266][ T227] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 26.862268][ T227] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.862270][ T227] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.862272][ T227] vprintk_emit (kernel/printk/printk.c:2479) [ 26.862274][ T227] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.862275][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.862276][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.862278][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.862280][ T227] _printk (kernel/printk/printk.c:2504) [ 26.862282][ T227] ? snapshot_read.cold (user.c:?) [ 26.862284][ T227] ? bond_slave_netdev_event.isra.0 (drivers/net/bonding/bond_main.c:3963 (discriminator 1)) [ 26.862286][ T227] ? failover_register (net/core/failover.c:272) [ 26.862289][ T227] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 26.862292][ T227] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 26.862294][ T227] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 26.862296][ T227] ? netdev_notice (net/core/dev.c:13194) [ 26.862298][ T227] ? netdev_offload_xstats_get (net/core/dev.c:9434) [ 26.862300][ T227] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.862304][ T227] bond_miimon_commit.cold (drivers/net/bonding/bond_main.c:2831 (discriminator 6)) [ 26.862308][ T227] ? bond_arp_monitor (drivers/net/bonding/bond_main.c:3901) [ 26.862310][ T227] ? wait_for_completion_io (kernel/sched/completion.c:98 (discriminator 8) kernel/sched/completion.c:121 (discriminator 8) kernel/sched/completion.c:138 (discriminator 8) kernel/sched/completion.c:186 (discriminator 8)) [ 26.862311][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.862312][ T227] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 26.862314][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.862315][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.862317][ T227] bond_mii_monitor (drivers/net/bonding/bond_main.c:2927) [ 26.862319][ T227] ? bond_miimon_commit (drivers/net/bonding/bond_main.c:2850) [ 26.862320][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.862321][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.862323][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.862325][ T227] ? process_one_work (kernel/workqueue.c:3386) [ 26.862327][ T227] process_one_work (kernel/workqueue.c:3387) [ 26.862329][ T227] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 26.862330][ T227] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.862333][ T227] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.862335][ T227] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 26.862336][ T227] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.862337][ T227] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 26.862340][ T227] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.862341][ T227] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 26.862343][ T227] kthread (kernel/kthread.c:436) [ 26.862344][ T227] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.862346][ T227] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.862348][ T227] ret_from_fork (arch/x86/kernel/process.c:158) [ 26.862351][ T227] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 26.862353][ T227] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 26.862356][ T227] ? kthread_affine_preferred (kernel/kthread.c:857) [ 26.862358][ T227] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.087413][ T94] softirqs last disabled at (50681): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 29.087415][ T94] Preemption disabled at: | [ 29.087416][ T94] 0x0 | [ 29.087426][ T94] Tainted: [W]=WARN [ 29.087427][ T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.087428][ T94] Workqueue: events_unbound linkwatch_event [ 29.087435][ T94] Call Trace: [ 29.087436][ T94] [ 29.087437][ T94] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.087443][ T94] __might_resched.cold (kernel/sched/core.c:9234) [ 29.087446][ T94] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 29.087450][ T94] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.087452][ T94] ? record_print_text (kernel/printk/printk.c:1467) [ 29.087456][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.087459][ T94] __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)) [ 29.087462][ T94] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.087464][ T94] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.087468][ T94] ? 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) [ 29.087470][ T94] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.087472][ T94] put_chars (drivers/char/virtio_console.c:1176) [ 29.087475][ T94] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.087477][ T94] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 29.087480][ T94] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.087484][ T94] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.087486][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.087487][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.087488][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.087491][ T94] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.087494][ T94] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.087495][ T94] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 29.087497][ T94] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 29.087498][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.087499][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.087500][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.087502][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.087504][ T94] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 29.087505][ T94] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.087507][ T94] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.087509][ T94] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.087510][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.087512][ T94] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.087513][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.087515][ T94] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 29.087516][ T94] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.087518][ T94] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 29.087520][ T94] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.087522][ T94] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.087524][ T94] vprintk_emit (kernel/printk/printk.c:2479) [ 29.087525][ T94] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.087527][ T94] ? 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) [ 29.087529][ T94] _printk (kernel/printk/printk.c:2504) [ 29.087532][ T94] ? snapshot_read.cold (user.c:?) [ 29.087534][ T94] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 29.087537][ T94] ? port_cost (net/bridge/br_if.c:40) [ 29.087540][ T94] ? br_multicast_flood (??:?) [ 29.087543][ T94] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 29.087545][ T94] br_init_port (net/bridge/br_stp_if.c:39) [ 29.087547][ T94] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 29.087549][ T94] br_port_carrier_check (net/bridge/br_if.c:90) [ 29.087551][ T94] br_device_event (net/bridge/br.c:101) [ 29.087553][ T94] ? packet_sendmsg_spkt (af_packet.c:?) [ 29.087555][ T94] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 29.087558][ T94] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 29.087561][ T94] notifier_call_chain (kernel/notifier.c:85) [ 29.087564][ T94] netif_state_change (net/core/dev.c:1625) [ 29.087567][ T94] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.087569][ T94] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 29.087571][ T94] __linkwatch_run_queue (net/core/link_watch.c:240) [ 29.087574][ T94] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.087575][ T94] ? debug_object_active_state (lib/debugobjects.c:1122) [ 29.087579][ T94] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 29.087581][ T94] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 29.087583][ T94] process_one_work (kernel/workqueue.c:3387) [ 29.087586][ T94] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 29.087588][ T94] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.087590][ T94] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.087592][ T94] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 29.087594][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.087595][ T94] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 29.087598][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.087599][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 29.087600][ T94] kthread (kernel/kthread.c:436) [ 29.087602][ T94] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 29.087605][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.087607][ T94] ret_from_fork (arch/x86/kernel/process.c:158) [ 29.087611][ T94] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 29.087612][ T94] ? trace_x86_fpu_regs_deactivated (./arch/x86/include/asm/trace/fpu.h:52 (discriminator 22)) [ 29.087615][ T94] ? save_fpregs_to_fpstate (arch/x86/kernel/fpu/core.c:144) [ 29.087617][ T94] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 29.087619][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 29.087621][ T94] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 30.252693][ T309] softirqs last disabled at (0): 0x0 | [ 30.252695][ T309] Preemption disabled at: | [ 30.252696][ T309] vprintk_emit (kernel/printk/printk.c:2471) | [ 30.252707][ T309] Tainted: [W]=WARN [ 30.252708][ T309] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.252710][ T309] Call Trace: [ 30.252711][ T309] [ 30.252713][ T309] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.252717][ T309] ? vprintk_emit (kernel/printk/printk.c:2471) [ 30.252719][ T309] __might_resched.cold (kernel/sched/core.c:9234) [ 30.252723][ T309] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.252726][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252729][ T309] __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)) [ 30.252733][ T309] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.252735][ T309] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.252739][ T309] ? 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) [ 30.252741][ T309] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.252743][ T309] put_chars (drivers/char/virtio_console.c:1176) [ 30.252746][ T309] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.252748][ T309] ? desc_read (kernel/printk/printk_ringbuffer.c:500) [ 30.252750][ T309] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 30.252751][ T309] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 30.252753][ T309] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.252757][ T309] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:2206) [ 30.252759][ T309] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.252761][ T309] ? 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) [ 30.252762][ T309] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 30.252764][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252765][ T309] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.252768][ T309] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.252770][ T309] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.252771][ T309] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 30.252773][ T309] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 30.252776][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252777][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252778][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252780][ T309] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.252782][ T309] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 30.252783][ T309] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.252785][ T309] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.252787][ T309] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.252789][ T309] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.252790][ T309] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.252792][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252793][ T309] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.252794][ T309] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 30.252796][ T309] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 30.252798][ T309] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.252800][ T309] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.252802][ T309] vprintk_emit (kernel/printk/printk.c:2479) [ 30.252804][ T309] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.252805][ T309] ? packet_sendmsg_spkt (af_packet.c:?) [ 30.252810][ T309] _printk (kernel/printk/printk.c:2504) [ 30.252813][ T309] ? snapshot_read.cold (user.c:?) [ 30.252815][ T309] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.252817][ T309] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.252819][ T309] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.252821][ T309] ? netdev_notice (net/core/dev.c:13194) [ 30.252823][ T309] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 30.252826][ T309] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 30.252828][ T309] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 30.252832][ T309] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.252834][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252836][ T309] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 30.252838][ T309] ? ipvlan_port_create (./include/linux/netdevice.h:4516 (discriminator 29) ./include/linux/netdevice.h:4556 (discriminator 29) ./include/linux/netdevice.h:4552 (discriminator 29) drivers/net/ipvlan/ipvlan_main.c:101 (discriminator 29)) [ 30.252840][ T309] ? ipvlan_port_get (./include/linux/rcupdate.h:882 drivers/net/ipvlan/ipvlan_main.c:146) [ 30.252842][ T309] ? ipvlan_port_create (./include/linux/list.h:54 (discriminator 2) drivers/net/ipvlan/ipvlan_main.c:93 (discriminator 2)) [ 30.252843][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252846][ T309] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 30.252850][ T309] ? packet_sendmsg_spkt (af_packet.c:?) [ 30.252854][ T309] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 30.252855][ T309] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 30.252859][ T309] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 30.252862][ T309] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 30.252865][ T309] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 30.252866][ T309] ? 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) [ 30.252868][ T309] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 30.252870][ T309] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 30.252873][ T309] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 30.252875][ T309] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.252877][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252878][ T309] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 30.252880][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252886][ T309] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 30.252889][ T309] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.252891][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252892][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252893][ T309] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.252895][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252896][ T309] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.252898][ T309] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 30.252901][ T309] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 30.252902][ T309] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 30.252905][ T309] ? __kernel_text_address (kernel/extable.c:79) [ 30.252906][ T309] ? write_profile (profile.c:?) [ 30.252909][ T309] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 30.252911][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252912][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252913][ T309] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 30.252917][ T309] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.252919][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252920][ T309] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 30.252922][ T309] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.252924][ T309] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.252926][ T309] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 30.252928][ T309] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 30.252931][ T309] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.252934][ T309] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.252936][ T309] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.252938][ T309] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.252940][ T309] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 30.252942][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252943][ T309] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.252946][ T309] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.252948][ T309] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.252949][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252951][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252952][ T309] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.252954][ T309] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.252956][ T309] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.252958][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252961][ T309] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 30.252964][ T309] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 30.252966][ T309] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.252968][ T309] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 30.252969][ T309] ? move_addr_to_kernel (net/socket.c:258) [ 30.252971][ T309] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 30.252973][ T309] ___sys_sendmsg (net/socket.c:2767) [ 30.252975][ T309] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.252980][ T309] __sys_sendmsg (net/socket.c:2799) [ 30.252982][ T309] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.252984][ T309] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.252986][ T309] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.252988][ T309] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.252990][ T309] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.252992][ T309] RIP: 0033:0x7f5ad16e154e [ 30.252994][ T309] 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 [ 30.252995][ T309] RSP: 002b:00007ffec0cf5fc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.252999][ T309] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f5ad16e154e [ 30.253000][ T309] RDX: 0000000000000000 RSI: 00007ffec0cf6070 RDI: 0000000000000005 [ 30.253001][ T309] RBP: 00007ffec0cf5fd0 R08: 0000000000000000 R09: 0000000000000000 [ 30.253002][ T309] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ef4 [ 30.253003][ T309] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec0cf6730 | [ 31.848994][ T323] softirqs last disabled at (0): 0x0 | [ 31.848995][ T323] Preemption disabled at: | [ 31.848996][ T323] 0x0 | [ 31.849004][ T323] Tainted: [W]=WARN [ 31.849005][ T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.849007][ T323] Call Trace: [ 31.849008][ T323] [ 31.849010][ T323] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 31.849014][ T323] __might_resched.cold (kernel/sched/core.c:9234) [ 31.849018][ T323] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 31.849021][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849025][ T323] __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)) [ 31.849029][ T323] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.849031][ T323] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.849035][ T323] ? 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) [ 31.849037][ T323] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 31.849039][ T323] put_chars (drivers/char/virtio_console.c:1176) [ 31.849042][ T323] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 31.849044][ T323] ? __send_to_port (drivers/char/virtio_console.c:654) [ 31.849047][ T323] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 31.849052][ T323] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 31.849053][ T323] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 31.849055][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.849057][ T323] console_emit_next_record (kernel/printk/printk.c:3183) [ 31.849060][ T323] ? ktime_get (kernel/time/timekeeping.c:304 kernel/time/timekeeping.c:482 kernel/time/timekeeping.c:1004) [ 31.849063][ T323] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 31.849064][ T323] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 31.849066][ T323] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 31.849069][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849070][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849072][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.849074][ T323] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 31.849075][ T323] console_flush_one_record (kernel/printk/printk.c:3268) [ 31.849077][ T323] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 31.849078][ T323] ? _raw_spin_unlock (./include/linux/spinlock_api_smp.h:201 (discriminator 1) kernel/locking/spinlock.c:213 (discriminator 1)) [ 31.849081][ T323] ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:167) [ 31.849085][ T323] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 31.849086][ T323] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.849088][ T323] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 31.849089][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849090][ T323] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 31.849093][ T323] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 31.849095][ T323] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 31.849098][ T323] ? vprintk_emit (kernel/printk/printk.c:2478) [ 31.849099][ T323] vprintk_emit (kernel/printk/printk.c:2479) [ 31.849101][ T323] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 31.849103][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849104][ T323] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 31.849106][ T323] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 31.849108][ T323] _printk (kernel/printk/printk.c:2504) [ 31.849111][ T323] ? snapshot_read.cold (user.c:?) [ 31.849113][ T323] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 31.849116][ T323] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 31.849119][ T323] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 31.849121][ T323] br_device_event (net/bridge/br.c:111) [ 31.849124][ T323] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 31.849126][ T323] ? packet_sendmsg_spkt (af_packet.c:?) [ 31.849128][ T323] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 31.849130][ T323] notifier_call_chain (kernel/notifier.c:85) [ 31.849134][ T323] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 31.849137][ T323] ? netif_change_name (net/core/dev.c:1517) [ 31.849139][ T323] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 31.849141][ T323] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 31.849143][ T323] ? __kernel_text_address (kernel/extable.c:79) [ 31.849145][ T323] ? write_profile (profile.c:?) [ 31.849148][ T323] netif_change_flags (net/core/dev.c:9882) [ 31.849150][ T323] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 31.849153][ T323] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 31.849155][ T323] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 31.849156][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849158][ T323] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 31.849161][ T323] ? kasan_save_stack (mm/kasan/common.c:58) [ 31.849163][ T323] ? kasan_save_stack (mm/kasan/common.c:57) [ 31.849164][ T323] ? kasan_save_track (mm/kasan/common.c:78) [ 31.849165][ T323] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 31.849166][ T323] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 31.849168][ T323] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 31.849169][ T323] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.849171][ T323] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.849174][ T323] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.849176][ T323] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.849177][ T323] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 31.849179][ T323] ? ___sys_sendmsg (net/socket.c:2767) [ 31.849180][ T323] ? __sys_sendmsg (net/socket.c:2799) [ 31.849182][ T323] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.849183][ T323] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.849186][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849187][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.849189][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849190][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849191][ T323] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 31.849193][ T323] ? __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) [ 31.849195][ T323] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 31.849196][ T323] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 31.849198][ T323] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 31.849200][ T323] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 31.849203][ T323] rtnl_newlink (net/core/rtnetlink.c:4215) [ 31.849205][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849207][ T323] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.849208][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.849210][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849212][ T323] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 31.849214][ T323] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 31.849216][ T323] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 31.849217][ T323] ? __kernel_text_address (kernel/extable.c:79) [ 31.849219][ T323] ? write_profile (profile.c:?) [ 31.849221][ T323] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 31.849224][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849225][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849226][ T323] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 31.849229][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.849231][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849233][ T323] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 31.849234][ T323] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 31.849236][ T323] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.849238][ T323] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 31.849240][ T323] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 31.849243][ T323] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 31.849244][ T323] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 31.849246][ T323] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.849248][ T323] ? netlink_ack (./include/linux/skbuff.h:2718) [ 31.849250][ T323] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 31.849252][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849253][ T323] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.849256][ T323] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 31.849258][ T323] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 31.849259][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849260][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849262][ T323] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 31.849264][ T323] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 31.849266][ T323] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 31.849268][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849269][ T323] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 31.849271][ T323] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 31.849272][ T323] ? copy_msghdr_from_user (net/socket.c:2650) [ 31.849274][ T323] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 31.849275][ T323] ? move_addr_to_kernel (net/socket.c:258) [ 31.849276][ T323] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 31.849279][ T323] ___sys_sendmsg (net/socket.c:2767) [ 31.849281][ T323] ? copy_msghdr_from_user (net/socket.c:2619) [ 31.849285][ T323] __sys_sendmsg (net/socket.c:2799) [ 31.849287][ T323] ? __sys_sendmsg_sock (net/socket.c:2780) [ 31.849289][ T323] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 31.849291][ T323] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 31.849292][ T323] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 31.849294][ T323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 31.849295][ T323] RIP: 0033:0x7f42820a354e [ 31.849297][ T323] 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 [ 31.849299][ T323] RSP: 002b:00007ffcf3376320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 31.849302][ T323] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f42820a354e [ 31.849304][ T323] RDX: 0000000000000000 RSI: 00007ffcf33763d0 RDI: 0000000000000005 [ 31.849305][ T323] RBP: 00007ffcf3376330 R08: 0000000000000000 R09: 0000000000000000 [ 31.849305][ T323] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ef6 [ 31.849306][ T323] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcf3376a90 | [ 33.920817][ T94] softirqs last disabled at (50681): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 33.920819][ T94] Preemption disabled at: | [ 33.920820][ T94] 0x0 | [ 33.920830][ T94] Tainted: [W]=WARN [ 33.920831][ T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.920832][ T94] Workqueue: events_unbound linkwatch_event [ 33.920839][ T94] Call Trace: [ 33.920841][ T94] [ 33.920842][ T94] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 33.920847][ T94] __might_resched.cold (kernel/sched/core.c:9234) [ 33.920850][ T94] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 33.920854][ T94] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 33.920856][ T94] ? record_print_text (kernel/printk/printk.c:1467) [ 33.920860][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.920863][ T94] __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)) [ 33.920866][ T94] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.920868][ T94] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.920872][ T94] ? 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) [ 33.920873][ T94] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 33.920876][ T94] put_chars (drivers/char/virtio_console.c:1176) [ 33.920879][ T94] ? __send_to_port (drivers/char/virtio_console.c:654) [ 33.920881][ T94] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 33.920885][ T94] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 33.920890][ T94] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 33.920891][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.920893][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.920894][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.920897][ T94] console_emit_next_record (kernel/printk/printk.c:3183) [ 33.920900][ T94] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 33.920901][ T94] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 33.920903][ T94] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 33.920904][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.920905][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.920906][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.920908][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.920910][ T94] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 33.920912][ T94] console_flush_one_record (kernel/printk/printk.c:3268) [ 33.920914][ T94] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 33.920916][ T94] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 33.920917][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 33.920919][ T94] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 33.920920][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 33.920921][ T94] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 33.920923][ T94] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 33.920925][ T94] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 33.920926][ T94] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 33.920928][ T94] ? vprintk_emit (kernel/printk/printk.c:2478) [ 33.920930][ T94] vprintk_emit (kernel/printk/printk.c:2479) [ 33.920932][ T94] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 33.920933][ T94] ? 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) [ 33.920935][ T94] _printk (kernel/printk/printk.c:2504) [ 33.920938][ T94] ? snapshot_read.cold (user.c:?) [ 33.920939][ T94] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 33.920943][ T94] ? port_cost (net/bridge/br_if.c:40) [ 33.920946][ T94] ? br_multicast_flood (??:?) [ 33.920949][ T94] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 33.920951][ T94] br_init_port (net/bridge/br_stp_if.c:39) [ 33.920953][ T94] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 33.920954][ T94] br_port_carrier_check (net/bridge/br_if.c:90) [ 33.920957][ T94] br_device_event (net/bridge/br.c:101) [ 33.920959][ T94] ? packet_sendmsg_spkt (af_packet.c:?) [ 33.920961][ T94] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 33.920964][ T94] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 33.920966][ T94] notifier_call_chain (kernel/notifier.c:85) [ 33.920970][ T94] netif_state_change (net/core/dev.c:1625) [ 33.920973][ T94] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 33.920975][ T94] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 33.920977][ T94] __linkwatch_run_queue (net/core/link_watch.c:240) [ 33.920979][ T94] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 33.920981][ T94] ? debug_object_active_state (lib/debugobjects.c:1122) [ 33.920985][ T94] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 33.920987][ T94] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 33.920989][ T94] process_one_work (kernel/workqueue.c:3387) [ 33.920992][ T94] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 33.920993][ T94] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 33.920995][ T94] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 33.920997][ T94] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 33.920999][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.921000][ T94] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 33.921002][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.921004][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 33.921005][ T94] kthread (kernel/kthread.c:436) [ 33.921007][ T94] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 33.921010][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.921012][ T94] ret_from_fork (arch/x86/kernel/process.c:158) [ 33.921015][ T94] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 33.921017][ T94] ? trace_x86_fpu_regs_deactivated (./arch/x86/include/asm/trace/fpu.h:52 (discriminator 22)) [ 33.921020][ T94] ? save_fpregs_to_fpstate (arch/x86/kernel/fpu/core.c:144) [ 33.921022][ T94] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 33.921024][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 33.921026][ T94] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 35.121850][ T331] softirqs last disabled at (0): 0x0 | [ 35.121852][ T331] Preemption disabled at: | [ 35.121853][ T331] vprintk_emit (kernel/printk/printk.c:2471) | [ 35.121865][ T331] Tainted: [W]=WARN [ 35.121866][ T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.121868][ T331] Call Trace: [ 35.121869][ T331] [ 35.121871][ T331] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.121876][ T331] ? vprintk_emit (kernel/printk/printk.c:2471) [ 35.121877][ T331] __might_resched.cold (kernel/sched/core.c:9234) [ 35.121881][ T331] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.121884][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.121887][ T331] __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)) [ 35.121891][ T331] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.121893][ T331] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.121898][ T331] ? 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) [ 35.121899][ T331] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.121901][ T331] put_chars (drivers/char/virtio_console.c:1176) [ 35.121904][ T331] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.121906][ T331] ? desc_read (kernel/printk/printk_ringbuffer.c:500) [ 35.121908][ T331] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 35.121910][ T331] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 35.121912][ T331] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.121915][ T331] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:2206) [ 35.121917][ T331] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.121919][ T331] ? 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) [ 35.121921][ T331] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.121922][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.121923][ T331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.121926][ T331] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.121928][ T331] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.121929][ T331] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 35.121931][ T331] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 35.121934][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.121935][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.121936][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.121937][ T331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.121939][ T331] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 35.121940][ T331] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.121942][ T331] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.121945][ T331] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.121946][ T331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.121948][ T331] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.121949][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.121950][ T331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.121952][ T331] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 35.121953][ T331] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 35.121955][ T331] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.121957][ T331] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.121976][ T331] vprintk_emit (kernel/printk/printk.c:2479) [ 35.121978][ T331] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.121980][ T331] ? packet_sendmsg_spkt (af_packet.c:?) [ 35.121984][ T331] _printk (kernel/printk/printk.c:2504) [ 35.121988][ T331] ? snapshot_read.cold (user.c:?) [ 35.121990][ T331] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.121993][ T331] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.121994][ T331] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.121996][ T331] ? netdev_notice (net/core/dev.c:13194) [ 35.121998][ T331] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 35.122002][ T331] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 35.122004][ T331] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 35.122008][ T331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.122010][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122011][ T331] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 35.122014][ T331] ? ipvlan_port_create (./include/linux/netdevice.h:4516 (discriminator 29) ./include/linux/netdevice.h:4556 (discriminator 29) ./include/linux/netdevice.h:4552 (discriminator 29) drivers/net/ipvlan/ipvlan_main.c:101 (discriminator 29)) [ 35.122016][ T331] ? ipvlan_port_get (./include/linux/rcupdate.h:882 drivers/net/ipvlan/ipvlan_main.c:146) [ 35.122017][ T331] ? ipvlan_port_create (./include/linux/list.h:54 (discriminator 2) drivers/net/ipvlan/ipvlan_main.c:93 (discriminator 2)) [ 35.122019][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122021][ T331] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 35.122024][ T331] ? packet_sendmsg_spkt (af_packet.c:?) [ 35.122026][ T331] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 35.122027][ T331] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 35.122030][ T331] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 35.122032][ T331] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 35.122035][ T331] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 35.122037][ T331] ? 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) [ 35.122038][ T331] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 35.122041][ T331] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 35.122043][ T331] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 35.122045][ T331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.122047][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122048][ T331] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 35.122050][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122056][ T331] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 35.122059][ T331] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.122061][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122062][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122063][ T331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.122065][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122066][ T331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.122068][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 35.122071][ T331] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 35.122072][ T331] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 35.122075][ T331] ? __kernel_text_address (kernel/extable.c:79) [ 35.122076][ T331] ? write_profile (profile.c:?) [ 35.122079][ T331] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 35.122081][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122082][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122083][ T331] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 35.122087][ T331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.122088][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122090][ T331] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 35.122092][ T331] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 35.122094][ T331] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.122096][ T331] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 35.122098][ T331] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 35.122101][ T331] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.122104][ T331] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.122106][ T331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.122108][ T331] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.122109][ T331] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 35.122111][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122113][ T331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.122115][ T331] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.122117][ T331] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.122119][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122120][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122121][ T331] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.122123][ T331] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.122125][ T331] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.122127][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122128][ T331] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 35.122130][ T331] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 35.122133][ T331] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.122134][ T331] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 35.122136][ T331] ? move_addr_to_kernel (net/socket.c:258) [ 35.122137][ T331] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 35.122140][ T331] ___sys_sendmsg (net/socket.c:2767) [ 35.122141][ T331] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.122146][ T331] __sys_sendmsg (net/socket.c:2799) [ 35.122148][ T331] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.122150][ T331] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.122152][ T331] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.122153][ T331] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.122156][ T331] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.122157][ T331] RIP: 0033:0x7f55e87cd54e [ 35.122159][ T331] 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 [ 35.122161][ T331] RSP: 002b:00007fff9f97ec00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.122165][ T331] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f55e87cd54e [ 35.122166][ T331] RDX: 0000000000000000 RSI: 00007fff9f97ecb0 RDI: 0000000000000005 [ 35.122167][ T331] RBP: 00007fff9f97ec10 R08: 0000000000000000 R09: 0000000000000000 [ 35.122168][ T331] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ef9 [ 35.122169][ T331] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff9f97f370 | [ 36.650791][ T345] softirqs last disabled at (0): 0x0 | [ 36.650793][ T345] Preemption disabled at: | [ 36.650794][ T345] 0x0 | [ 36.650803][ T345] Tainted: [W]=WARN [ 36.650804][ T345] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.650805][ T345] Call Trace: [ 36.650807][ T345] [ 36.650808][ T345] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.650814][ T345] __might_resched.cold (kernel/sched/core.c:9234) [ 36.650818][ T345] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.650821][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.650824][ T345] __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)) [ 36.650829][ T345] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.650831][ T345] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.650835][ T345] ? 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) [ 36.650836][ T345] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.650839][ T345] put_chars (drivers/char/virtio_console.c:1176) [ 36.650841][ T345] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 36.650844][ T345] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.650847][ T345] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.650852][ T345] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.650854][ T345] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 36.650855][ T345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.650858][ T345] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.650860][ T345] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.650862][ T345] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 36.650864][ T345] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 36.650866][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.650868][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.650869][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.650870][ T345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.650872][ T345] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 36.650874][ T345] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.650875][ T345] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.650878][ T345] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.650879][ T345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.650881][ T345] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.650882][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.650883][ T345] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.650885][ T345] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 36.650887][ T345] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 36.650888][ T345] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.650891][ T345] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.650892][ T345] vprintk_emit (kernel/printk/printk.c:2479) [ 36.650894][ T345] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.650895][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.650897][ T345] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 36.650900][ T345] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 36.650902][ T345] _printk (kernel/printk/printk.c:2504) [ 36.650905][ T345] ? snapshot_read.cold (user.c:?) [ 36.650907][ T345] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 36.650912][ T345] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 36.650915][ T345] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 36.650918][ T345] br_device_event (net/bridge/br.c:111) [ 36.650920][ T345] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 36.650924][ T345] ? packet_sendmsg_spkt (af_packet.c:?) [ 36.650926][ T345] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 36.650929][ T345] notifier_call_chain (kernel/notifier.c:85) [ 36.650933][ T345] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 36.650936][ T345] ? netif_change_name (net/core/dev.c:1517) [ 36.650938][ T345] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 36.650940][ T345] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 36.650942][ T345] ? __kernel_text_address (kernel/extable.c:79) [ 36.650944][ T345] ? write_profile (profile.c:?) [ 36.650947][ T345] netif_change_flags (net/core/dev.c:9882) [ 36.650949][ T345] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 36.650952][ T345] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 36.650954][ T345] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 36.650956][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.650957][ T345] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 36.650962][ T345] ? kasan_save_stack (mm/kasan/common.c:58) [ 36.650964][ T345] ? kasan_save_stack (mm/kasan/common.c:57) [ 36.650965][ T345] ? kasan_save_track (mm/kasan/common.c:78) [ 36.650966][ T345] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 36.650967][ T345] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 36.650969][ T345] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 36.650971][ T345] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.650973][ T345] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.650976][ T345] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.650977][ T345] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.650979][ T345] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 36.650981][ T345] ? ___sys_sendmsg (net/socket.c:2767) [ 36.650982][ T345] ? __sys_sendmsg (net/socket.c:2799) [ 36.650984][ T345] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.650986][ T345] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.650988][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.650990][ T345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.650992][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.650993][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.650994][ T345] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 36.650996][ T345] ? __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) [ 36.650997][ T345] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 36.650999][ T345] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.651001][ T345] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 36.651003][ T345] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 36.651005][ T345] rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.651008][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.651009][ T345] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.651011][ T345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.651013][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.651014][ T345] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 36.651017][ T345] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 36.651019][ T345] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 36.651020][ T345] ? __kernel_text_address (kernel/extable.c:79) [ 36.651022][ T345] ? write_profile (profile.c:?) [ 36.651023][ T345] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 36.651027][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.651028][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.651029][ T345] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 36.651033][ T345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.651034][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.651036][ T345] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.651038][ T345] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.651040][ T345] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.651042][ T345] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 36.651044][ T345] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 36.651046][ T345] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.651048][ T345] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.651050][ T345] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.651051][ T345] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.651053][ T345] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 36.651055][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.651057][ T345] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.651059][ T345] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.651061][ T345] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.651063][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.651064][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.651065][ T345] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.651067][ T345] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.651069][ T345] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.651071][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.651073][ T345] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 36.651075][ T345] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 36.651076][ T345] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.651078][ T345] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 36.651079][ T345] ? move_addr_to_kernel (net/socket.c:258) [ 36.651080][ T345] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 36.651083][ T345] ___sys_sendmsg (net/socket.c:2767) [ 36.651085][ T345] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.651089][ T345] __sys_sendmsg (net/socket.c:2799) [ 36.651091][ T345] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.651093][ T345] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.651095][ T345] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.651096][ T345] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.651098][ T345] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.651100][ T345] RIP: 0033:0x7fd758cf654e [ 36.651102][ T345] 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 [ 36.651104][ T345] RSP: 002b:00007ffcc9b206e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.651108][ T345] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd758cf654e [ 36.651109][ T345] RDX: 0000000000000000 RSI: 00007ffcc9b20790 RDI: 0000000000000005 [ 36.651110][ T345] RBP: 00007ffcc9b206f0 R08: 0000000000000000 R09: 0000000000000000 [ 36.651111][ T345] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912efa [ 36.651112][ T345] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcc9b20e50 | [ 38.729749][ T94] softirqs last disabled at (50681): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 38.729752][ T94] Preemption disabled at: | [ 38.729753][ T94] 0x0 | [ 38.729763][ T94] Tainted: [W]=WARN [ 38.729764][ T94] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.729766][ T94] Workqueue: events_unbound linkwatch_event [ 38.729772][ T94] Call Trace: [ 38.729773][ T94] [ 38.729775][ T94] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.729780][ T94] __might_resched.cold (kernel/sched/core.c:9234) [ 38.729784][ T94] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 38.729787][ T94] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.729790][ T94] ? record_print_text (kernel/printk/printk.c:1467) [ 38.729793][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.729797][ T94] __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)) [ 38.729800][ T94] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.729802][ T94] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.729806][ T94] ? 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) [ 38.729807][ T94] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.729810][ T94] put_chars (drivers/char/virtio_console.c:1176) [ 38.729812][ T94] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.729814][ T94] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 38.729817][ T94] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.729821][ T94] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.729823][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.729825][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.729826][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.729829][ T94] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.729831][ T94] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.729832][ T94] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 38.729834][ T94] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 38.729835][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.729837][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.729838][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.729839][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.729841][ T94] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 38.729843][ T94] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.729845][ T94] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.729847][ T94] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.729848][ T94] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.729850][ T94] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.729851][ T94] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.729852][ T94] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 38.729854][ T94] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 38.729855][ T94] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 38.729857][ T94] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.729859][ T94] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.729861][ T94] vprintk_emit (kernel/printk/printk.c:2479) [ 38.729863][ T94] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.729865][ T94] ? 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) [ 38.729866][ T94] _printk (kernel/printk/printk.c:2504) [ 38.729870][ T94] ? snapshot_read.cold (user.c:?) [ 38.729871][ T94] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 38.729874][ T94] ? port_cost (net/bridge/br_if.c:40) [ 38.729878][ T94] ? br_multicast_flood (??:?) [ 38.729880][ T94] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 38.729882][ T94] br_init_port (net/bridge/br_stp_if.c:39) [ 38.729885][ T94] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 38.729886][ T94] br_port_carrier_check (net/bridge/br_if.c:90) [ 38.729889][ T94] br_device_event (net/bridge/br.c:101) [ 38.729891][ T94] ? packet_sendmsg_spkt (af_packet.c:?) [ 38.729893][ T94] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 38.729896][ T94] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 38.729899][ T94] notifier_call_chain (kernel/notifier.c:85) [ 38.729902][ T94] netif_state_change (net/core/dev.c:1625) [ 38.729905][ T94] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.729907][ T94] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 38.729910][ T94] __linkwatch_run_queue (net/core/link_watch.c:240) [ 38.729913][ T94] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.729915][ T94] ? debug_object_active_state (lib/debugobjects.c:1122) [ 38.729919][ T94] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 38.729921][ T94] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 38.729924][ T94] process_one_work (kernel/workqueue.c:3387) [ 38.729927][ T94] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 38.729928][ T94] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.729931][ T94] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.729932][ T94] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 38.729934][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.729935][ T94] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 38.729938][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.729939][ T94] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 38.729940][ T94] kthread (kernel/kthread.c:436) [ 38.729942][ T94] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.729945][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.729947][ T94] ret_from_fork (arch/x86/kernel/process.c:158) [ 38.729951][ T94] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 38.729953][ T94] ? trace_x86_fpu_regs_deactivated (./arch/x86/include/asm/trace/fpu.h:52 (discriminator 22)) [ 38.729955][ T94] ? save_fpregs_to_fpstate (arch/x86/kernel/fpu/core.c:144) [ 38.729957][ T94] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 38.729962][ T94] ? kthread_affine_preferred (kernel/kthread.c:857) [ 38.729964][ T94] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 40.022203][ T353] softirqs last disabled at (0): 0x0 | [ 40.022205][ T353] Preemption disabled at: | [ 40.022205][ T353] vprintk_emit (kernel/printk/printk.c:2471) | [ 40.022216][ T353] Tainted: [W]=WARN [ 40.022217][ T353] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.022219][ T353] Call Trace: [ 40.022220][ T353] [ 40.022222][ T353] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.022227][ T353] ? vprintk_emit (kernel/printk/printk.c:2471) [ 40.022228][ T353] __might_resched.cold (kernel/sched/core.c:9234) [ 40.022232][ T353] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.022235][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022238][ T353] __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)) [ 40.022242][ T353] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.022244][ T353] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.022249][ T353] ? 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) [ 40.022250][ T353] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.022252][ T353] put_chars (drivers/char/virtio_console.c:1176) [ 40.022255][ T353] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.022257][ T353] ? desc_read (kernel/printk/printk_ringbuffer.c:500) [ 40.022259][ T353] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 40.022261][ T353] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 40.022262][ T353] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.022266][ T353] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:2206) [ 40.022268][ T353] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.022270][ T353] ? 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) [ 40.022271][ T353] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.022273][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022274][ T353] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.022277][ T353] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.022279][ T353] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.022280][ T353] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 40.022282][ T353] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 40.022285][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022286][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022287][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022288][ T353] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.022291][ T353] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 40.022292][ T353] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.022294][ T353] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.022296][ T353] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.022298][ T353] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.022299][ T353] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.022301][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022302][ T353] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.022303][ T353] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 40.022305][ T353] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 40.022307][ T353] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.022309][ T353] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.022311][ T353] vprintk_emit (kernel/printk/printk.c:2479) [ 40.022313][ T353] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.022314][ T353] ? packet_sendmsg_spkt (af_packet.c:?) [ 40.022319][ T353] _printk (kernel/printk/printk.c:2504) [ 40.022322][ T353] ? snapshot_read.cold (user.c:?) [ 40.022324][ T353] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 40.022326][ T353] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 40.022328][ T353] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 40.022330][ T353] ? netdev_notice (net/core/dev.c:13194) [ 40.022332][ T353] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 40.022335][ T353] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 40.022337][ T353] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 40.022342][ T353] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.022343][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022345][ T353] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 40.022347][ T353] ? ipvlan_port_create (./include/linux/netdevice.h:4516 (discriminator 29) ./include/linux/netdevice.h:4556 (discriminator 29) ./include/linux/netdevice.h:4552 (discriminator 29) drivers/net/ipvlan/ipvlan_main.c:101 (discriminator 29)) [ 40.022349][ T353] ? ipvlan_port_get (./include/linux/rcupdate.h:882 drivers/net/ipvlan/ipvlan_main.c:146) [ 40.022351][ T353] ? ipvlan_port_create (./include/linux/list.h:54 (discriminator 2) drivers/net/ipvlan/ipvlan_main.c:93 (discriminator 2)) [ 40.022352][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022354][ T353] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 40.022358][ T353] ? packet_sendmsg_spkt (af_packet.c:?) [ 40.022360][ T353] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 40.022361][ T353] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 40.022364][ T353] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 40.022366][ T353] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 40.022369][ T353] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 40.022371][ T353] ? 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) [ 40.022372][ T353] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 40.022375][ T353] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 40.022377][ T353] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 40.022379][ T353] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.022381][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022383][ T353] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 40.022384][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022390][ T353] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 40.022393][ T353] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.022395][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022396][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022398][ T353] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.022399][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022401][ T353] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.022403][ T353] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 40.022406][ T353] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 40.022407][ T353] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 40.022410][ T353] ? __kernel_text_address (kernel/extable.c:79) [ 40.022411][ T353] ? write_profile (profile.c:?) [ 40.022414][ T353] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 40.022416][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022417][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022419][ T353] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 40.022422][ T353] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.022424][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022425][ T353] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 40.022427][ T353] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 40.022430][ T353] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.022431][ T353] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 40.022433][ T353] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 40.022437][ T353] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 40.022440][ T353] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.022441][ T353] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.022443][ T353] ? netlink_ack (./include/linux/skbuff.h:2718) [ 40.022445][ T353] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 40.022447][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022448][ T353] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.022450][ T353] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 40.022452][ T353] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 40.022454][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022455][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022457][ T353] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.022459][ T353] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 40.022461][ T353] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 40.022463][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022464][ T353] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.022466][ T353] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 40.022469][ T353] ? copy_msghdr_from_user (net/socket.c:2650) [ 40.022470][ T353] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 40.022472][ T353] ? move_addr_to_kernel (net/socket.c:258) [ 40.022473][ T353] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 40.022476][ T353] ___sys_sendmsg (net/socket.c:2767) [ 40.022477][ T353] ? copy_msghdr_from_user (net/socket.c:2619) [ 40.022482][ T353] __sys_sendmsg (net/socket.c:2799) [ 40.022484][ T353] ? __sys_sendmsg_sock (net/socket.c:2780) [ 40.022486][ T353] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.022488][ T353] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 40.022489][ T353] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 40.022492][ T353] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.022493][ T353] RIP: 0033:0x7faa567ae54e [ 40.022495][ T353] 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 [ 40.022497][ T353] RSP: 002b:00007fffab83bfa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 40.022501][ T353] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007faa567ae54e [ 40.022502][ T353] RDX: 0000000000000000 RSI: 00007fffab83c050 RDI: 0000000000000005 [ 40.022503][ T353] RBP: 00007fffab83bfb0 R08: 0000000000000000 R09: 0000000000000000 [ 40.022504][ T353] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912efe [ 40.022505][ T353] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffab83c710 | [ 41.514867][ T368] softirqs last disabled at (0): 0x0 | [ 41.514869][ T368] Preemption disabled at: | [ 41.514870][ T368] 0x0 | [ 41.514878][ T368] Tainted: [W]=WARN [ 41.514879][ T368] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.514880][ T368] Call Trace: [ 41.514882][ T368] [ 41.514883][ T368] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.514889][ T368] __might_resched.cold (kernel/sched/core.c:9234) [ 41.514893][ T368] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.514896][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.514899][ T368] __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)) [ 41.514903][ T368] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.514906][ T368] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.514911][ T368] ? 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) [ 41.514912][ T368] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.514914][ T368] put_chars (drivers/char/virtio_console.c:1176) [ 41.514917][ T368] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1929) [ 41.514920][ T368] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.514923][ T368] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.514927][ T368] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.514929][ T368] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.514930][ T368] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.514933][ T368] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.514936][ T368] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.514937][ T368] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 41.514939][ T368] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 41.514942][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.514943][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.514944][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.514946][ T368] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.514948][ T368] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 41.514949][ T368] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.514951][ T368] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.514954][ T368] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.514955][ T368] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.514957][ T368] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.514958][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.514961][ T368] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.514963][ T368] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 41.514965][ T368] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 41.514967][ T368] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.514969][ T368] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.514971][ T368] vprintk_emit (kernel/printk/printk.c:2479) [ 41.514973][ T368] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.514974][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.514975][ T368] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 41.514979][ T368] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 41.514981][ T368] _printk (kernel/printk/printk.c:2504) [ 41.514984][ T368] ? snapshot_read.cold (user.c:?) [ 41.514986][ T368] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 41.514990][ T368] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 41.514993][ T368] br_stp_disable_port (net/bridge/br_stp_if.c:106) [ 41.514996][ T368] br_device_event (net/bridge/br.c:111) [ 41.514999][ T368] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 41.515002][ T368] ? packet_sendmsg_spkt (af_packet.c:?) [ 41.515004][ T368] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 41.515007][ T368] notifier_call_chain (kernel/notifier.c:85) [ 41.515011][ T368] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 41.515014][ T368] ? netif_change_name (net/core/dev.c:1517) [ 41.515016][ T368] ? __dev_change_flags (net/core/dev.c:1811 net/core/dev.c:9810) [ 41.515018][ T368] ? netif_set_allmulti (./include/net/netdev_lock.h:33) [ 41.515020][ T368] ? __kernel_text_address (kernel/extable.c:79) [ 41.515022][ T368] ? write_profile (profile.c:?) [ 41.515025][ T368] netif_change_flags (net/core/dev.c:9882) [ 41.515028][ T368] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 41.515031][ T368] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 41.515033][ T368] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 41.515034][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.515036][ T368] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 41.515040][ T368] ? kasan_save_stack (mm/kasan/common.c:58) [ 41.515042][ T368] ? kasan_save_stack (mm/kasan/common.c:57) [ 41.515043][ T368] ? kasan_save_track (mm/kasan/common.c:78) [ 41.515044][ T368] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 41.515045][ T368] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 41.515047][ T368] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 41.515048][ T368] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.515050][ T368] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.515053][ T368] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.515055][ T368] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.515056][ T368] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 41.515059][ T368] ? ___sys_sendmsg (net/socket.c:2767) [ 41.515060][ T368] ? __sys_sendmsg (net/socket.c:2799) [ 41.515061][ T368] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.515063][ T368] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.515066][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.515067][ T368] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.515069][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.515070][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.515071][ T368] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 41.515073][ T368] ? __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) [ 41.515075][ T368] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 41.515076][ T368] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 41.515078][ T368] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 41.515080][ T368] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 41.515083][ T368] rtnl_newlink (net/core/rtnetlink.c:4215) [ 41.515085][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.515087][ T368] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.515088][ T368] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.515090][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.515092][ T368] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 41.515095][ T368] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 41.515096][ T368] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 41.515098][ T368] ? __kernel_text_address (kernel/extable.c:79) [ 41.515099][ T368] ? write_profile (profile.c:?) [ 41.515101][ T368] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 41.515104][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.515105][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.515106][ T368] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 41.515110][ T368] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.515112][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.515113][ T368] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.515115][ T368] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.515117][ T368] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.515119][ T368] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 41.515121][ T368] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 41.515123][ T368] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.515125][ T368] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.515127][ T368] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.515129][ T368] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.515130][ T368] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 41.515133][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.515134][ T368] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.515136][ T368] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.515138][ T368] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.515140][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.515141][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.515143][ T368] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.515145][ T368] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.515147][ T368] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.515149][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.515150][ T368] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.515152][ T368] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 41.515154][ T368] ? copy_msghdr_from_user (net/socket.c:2650) [ 41.515155][ T368] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 41.515157][ T368] ? move_addr_to_kernel (net/socket.c:258) [ 41.515158][ T368] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 41.515161][ T368] ___sys_sendmsg (net/socket.c:2767) [ 41.515163][ T368] ? copy_msghdr_from_user (net/socket.c:2619) [ 41.515167][ T368] __sys_sendmsg (net/socket.c:2799) [ 41.515169][ T368] ? __sys_sendmsg_sock (net/socket.c:2780) [ 41.515171][ T368] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.515173][ T368] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.515174][ T368] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.515177][ T368] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.515178][ T368] RIP: 0033:0x7fac4190154e [ 41.515180][ T368] 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 [ 41.515182][ T368] RSP: 002b:00007ffd02f44be0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 41.515186][ T368] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fac4190154e [ 41.515187][ T368] RDX: 0000000000000000 RSI: 00007ffd02f44c90 RDI: 0000000000000005 [ 41.515188][ T368] RBP: 00007ffd02f44bf0 R08: 0000000000000000 R09: 0000000000000000 [ 41.515189][ T368] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912eff [ 41.515190][ T368] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd02f45350 | [ 43.598274][ T36] softirqs last disabled at (20035): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 43.598276][ T36] Preemption disabled at: | [ 43.598277][ T36] 0x0 | [ 43.598287][ T36] Tainted: [W]=WARN [ 43.598288][ T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.598290][ T36] Workqueue: events_unbound linkwatch_event [ 43.598296][ T36] Call Trace: [ 43.598298][ T36] [ 43.598299][ T36] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.598304][ T36] __might_resched.cold (kernel/sched/core.c:9234) [ 43.598307][ T36] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 43.598311][ T36] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.598314][ T36] ? record_print_text (kernel/printk/printk.c:1467) [ 43.598317][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.598321][ T36] __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)) [ 43.598324][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.598326][ T36] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.598330][ T36] ? 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) [ 43.598331][ T36] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.598334][ T36] put_chars (drivers/char/virtio_console.c:1176) [ 43.598336][ T36] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.598338][ T36] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 43.598341][ T36] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.598346][ T36] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.598347][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.598349][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.598350][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.598353][ T36] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.598355][ T36] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.598357][ T36] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 43.598358][ T36] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 43.598360][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.598361][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.598362][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.598364][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.598366][ T36] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 43.598367][ T36] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.598369][ T36] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.598371][ T36] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.598372][ T36] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.598374][ T36] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.598376][ T36] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.598377][ T36] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 43.598378][ T36] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.598380][ T36] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 43.598382][ T36] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.598384][ T36] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.598385][ T36] vprintk_emit (kernel/printk/printk.c:2479) [ 43.598387][ T36] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.598389][ T36] ? 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) [ 43.598391][ T36] _printk (kernel/printk/printk.c:2504) [ 43.598394][ T36] ? snapshot_read.cold (user.c:?) [ 43.598395][ T36] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 43.598398][ T36] ? port_cost (net/bridge/br_if.c:40) [ 43.598402][ T36] ? br_multicast_flood (??:?) [ 43.598405][ T36] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 43.598407][ T36] br_init_port (net/bridge/br_stp_if.c:39) [ 43.598409][ T36] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 43.598411][ T36] br_port_carrier_check (net/bridge/br_if.c:90) [ 43.598413][ T36] br_device_event (net/bridge/br.c:101) [ 43.598416][ T36] ? packet_sendmsg_spkt (af_packet.c:?) [ 43.598417][ T36] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 43.598420][ T36] ? addrconf_notify (net/ipv6/addrconf.c:3796) [ 43.598423][ T36] notifier_call_chain (kernel/notifier.c:85) [ 43.598426][ T36] netif_state_change (net/core/dev.c:1625) [ 43.598429][ T36] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.598432][ T36] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 43.598433][ T36] __linkwatch_run_queue (net/core/link_watch.c:240) [ 43.598436][ T36] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.598438][ T36] ? debug_object_active_state (lib/debugobjects.c:1122) [ 43.598441][ T36] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 43.598443][ T36] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 43.598446][ T36] process_one_work (kernel/workqueue.c:3387) [ 43.598449][ T36] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.598450][ T36] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.598453][ T36] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 43.598454][ T36] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.598457][ T36] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.598458][ T36] kthread (kernel/kthread.c:436) [ 43.598460][ T36] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.598463][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.598466][ T36] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.598469][ T36] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.598471][ T36] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.598474][ T36] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.598476][ T36] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 44.884811][ T376] softirqs last disabled at (0): 0x0 | [ 44.884813][ T376] Preemption disabled at: | [ 44.884814][ T376] vprintk_emit (kernel/printk/printk.c:2471) | [ 44.884825][ T376] Tainted: [W]=WARN [ 44.884826][ T376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.884828][ T376] Call Trace: [ 44.884829][ T376] [ 44.884831][ T376] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.884836][ T376] ? vprintk_emit (kernel/printk/printk.c:2471) [ 44.884837][ T376] __might_resched.cold (kernel/sched/core.c:9234) [ 44.884841][ T376] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.884844][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.884847][ T376] __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)) [ 44.884851][ T376] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.884854][ T376] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.884858][ T376] ? 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) [ 44.884860][ T376] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.884862][ T376] put_chars (drivers/char/virtio_console.c:1176) [ 44.884865][ T376] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.884867][ T376] ? desc_read (kernel/printk/printk_ringbuffer.c:500) [ 44.884869][ T376] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 44.884871][ T376] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 44.884872][ T376] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.884876][ T376] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:2206) [ 44.884878][ T376] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.884880][ T376] ? 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) [ 44.884882][ T376] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.884883][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.884884][ T376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.884887][ T376] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.884889][ T376] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.884891][ T376] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 44.884892][ T376] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 44.884895][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.884896][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.884898][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.884899][ T376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.884901][ T376] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 44.884902][ T376] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.884904][ T376] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.884907][ T376] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.884908][ T376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.884910][ T376] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.884911][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.884913][ T376] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.884914][ T376] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.884916][ T376] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 44.884918][ T376] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.884920][ T376] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.884922][ T376] vprintk_emit (kernel/printk/printk.c:2479) [ 44.884924][ T376] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.884925][ T376] ? packet_sendmsg_spkt (af_packet.c:?) [ 44.884930][ T376] _printk (kernel/printk/printk.c:2504) [ 44.884933][ T376] ? snapshot_read.cold (user.c:?) [ 44.884935][ T376] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 44.884938][ T376] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 44.884940][ T376] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.884942][ T376] ? netdev_notice (net/core/dev.c:13194) [ 44.884944][ T376] ? netdev_upper_dev_unlink (net/core/dev.c:9114) [ 44.884947][ T376] ? __netdev_upper_dev_unlink (net/core/dev.c:9096) [ 44.884949][ T376] __bond_release_one.cold (drivers/net/bonding/bond_main.c:2484 (discriminator 4)) [ 44.884953][ T376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.884955][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.884956][ T376] ? bond_enslave (drivers/net/bonding/bond_main.c:2331) [ 44.884961][ T376] ? ipvlan_port_create (./include/linux/netdevice.h:4516 (discriminator 29) ./include/linux/netdevice.h:4556 (discriminator 29) ./include/linux/netdevice.h:4552 (discriminator 29) drivers/net/ipvlan/ipvlan_main.c:101 (discriminator 29)) [ 44.884963][ T376] ? ipvlan_port_get (./include/linux/rcupdate.h:882 drivers/net/ipvlan/ipvlan_main.c:146) [ 44.884965][ T376] ? ipvlan_port_create (./include/linux/list.h:54 (discriminator 2) drivers/net/ipvlan/ipvlan_main.c:93 (discriminator 2)) [ 44.884966][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.884968][ T376] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 44.884971][ T376] ? packet_sendmsg_spkt (af_packet.c:?) [ 44.884974][ T376] bond_uninit (drivers/net/bonding/bond_main.c:6071) [ 44.884975][ T376] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 44.884978][ T376] ? bond_siocdevprivate (drivers/net/bonding/bond_main.c:4682) [ 44.884980][ T376] unregister_netdevice_many_notify (net/core/dev.c:12537) [ 44.884983][ T376] ? unregister_netdevice_queued (./include/linux/list.h:419 (discriminator 3)) [ 44.884985][ T376] ? 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) [ 44.884986][ T376] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 44.884989][ T376] ? unregister_netdevice_queue (net/core/dev.c:12378 (discriminator 1)) [ 44.884991][ T376] rtnl_dellink (net/core/rtnetlink.c:3652 net/core/rtnetlink.c:3694) [ 44.884994][ T376] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.884995][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.884997][ T376] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 44.884999][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.885005][ T376] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 44.885008][ T376] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 44.885010][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.885011][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.885012][ T376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.885014][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.885015][ T376] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.885017][ T376] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 44.885020][ T376] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 44.885021][ T376] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 44.885024][ T376] ? __kernel_text_address (kernel/extable.c:79) [ 44.885025][ T376] ? write_profile (profile.c:?) [ 44.885028][ T376] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 44.885030][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.885031][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.885032][ T376] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 44.885036][ T376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.885038][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.885039][ T376] ? rtnl_link_get_net_capable.constprop.0 (net/core/rtnetlink.c:2728) [ 44.885041][ T376] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 44.885043][ T376] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.885045][ T376] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 44.885047][ T376] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 44.885051][ T376] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 44.885054][ T376] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.885055][ T376] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.885057][ T376] ? netlink_ack (./include/linux/skbuff.h:2718) [ 44.885059][ T376] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 44.885061][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.885062][ T376] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.885064][ T376] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 44.885067][ T376] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 44.885068][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.885069][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.885071][ T376] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.885073][ T376] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 44.885075][ T376] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 44.885077][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.885078][ T376] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.885080][ T376] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 44.885083][ T376] ? copy_msghdr_from_user (net/socket.c:2650) [ 44.885085][ T376] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 44.885086][ T376] ? move_addr_to_kernel (net/socket.c:258) [ 44.885087][ T376] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 44.885090][ T376] ___sys_sendmsg (net/socket.c:2767) [ 44.885092][ T376] ? copy_msghdr_from_user (net/socket.c:2619) [ 44.885096][ T376] __sys_sendmsg (net/socket.c:2799) [ 44.885098][ T376] ? __sys_sendmsg_sock (net/socket.c:2780) [ 44.885101][ T376] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.885102][ T376] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 44.885104][ T376] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 44.885107][ T376] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 44.885108][ T376] RIP: 0033:0x7f36eabcb54e [ 44.885110][ T376] 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 [ 44.885112][ T376] RSP: 002b:00007ffd7916e7b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 44.885116][ T376] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f36eabcb54e [ 44.885117][ T376] RDX: 0000000000000000 RSI: 00007ffd7916e860 RDI: 0000000000000005 [ 44.885118][ T376] RBP: 00007ffd7916e7c0 R08: 0000000000000000 R09: 0000000000000000 [ 44.885119][ T376] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912f03 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_trylock_spinning __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print br_device_event:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars