====================================== | [ 12.005106][ T266] softirqs last disabled at (14260): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 12.005109][ T266] Preemption disabled at: | [ 12.005110][ T266] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.005120][ T266] Tainted: [W]=WARN [ 12.005121][ T266] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.005122][ T266] Call Trace: [ 12.005124][ T266] [ 12.005126][ T266] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.005131][ T266] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.005134][ T266] __might_resched.cold (kernel/sched/core.c:9234) [ 12.005144][ T266] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.005148][ T266] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.005153][ T266] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 12.005156][ T266] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.005161][ T266] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 12.005164][ T266] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.005167][ T266] put_chars (drivers/char/virtio_console.c:1176) [ 12.005169][ T266] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.005174][ T266] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 12.005177][ T266] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.005180][ T266] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.005182][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.005183][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.005187][ T266] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.005189][ T266] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 12.005192][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.005196][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.005200][ T266] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.005204][ T266] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.005206][ T266] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 12.005209][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.005211][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.005215][ T266] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.005219][ T266] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.005221][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.005226][ T266] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.005229][ T266] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.005230][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.005233][ T266] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.005236][ T266] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.005238][ T266] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.005241][ T266] vprintk_emit (kernel/printk/printk.c:2479) [ 12.005245][ T266] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.005247][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.005249][ T266] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 12.005253][ T266] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.005257][ T266] _printk (kernel/printk/printk.c:2504) [ 12.005260][ T266] ? snapshot_read.cold (user.c:?) [ 12.005264][ T266] ? br_multicast_flood (??:?) bridge [ 12.005277][ T266] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.005278][ T266] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.005280][ T266] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.005284][ T266] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 12.005296][ T266] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 12.005304][ T266] new_nbp (net/bridge/br_if.c:449) bridge [ 12.005313][ T266] br_add_if (net/bridge/br_if.c:592) bridge [ 12.005320][ T266] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 12.005324][ T266] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 12.005327][ T266] ? __kernel_text_address (kernel/extable.c:79) [ 12.005331][ T266] do_set_master (net/core/rtnetlink.c:3071) [ 12.005335][ T266] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 12.005339][ T266] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 12.005342][ T266] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.005343][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 12.005346][ T266] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 12.005349][ T266] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.005352][ T266] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.005354][ T266] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.005357][ T266] ? kasan_save_stack (mm/kasan/common.c:58) [ 12.005360][ T266] ? kasan_save_stack (mm/kasan/common.c:57) [ 12.005361][ T266] ? kasan_save_track (mm/kasan/common.c:78) [ 12.005364][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.005366][ T266] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 12.005369][ T266] ? ___sys_sendmsg (net/socket.c:2757) [ 12.005374][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.005376][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.005378][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.005380][ T266] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.005382][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.005384][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.005386][ T266] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.005390][ T266] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 12.005392][ T266] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.005394][ T266] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 12.005397][ T266] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.005399][ T266] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.005404][ T266] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 12.005409][ T266] rtnl_newlink (net/core/rtnetlink.c:4215) [ 12.005414][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.005416][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.005420][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.005422][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.005424][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.005426][ T266] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.005429][ T266] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 12.005431][ T266] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.005434][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.005436][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.005440][ T266] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.005442][ T266] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.005445][ T266] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.005447][ T266] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.005450][ T266] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.005456][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 12.005457][ T266] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 12.005461][ T266] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.005465][ T266] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.005468][ T266] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.005472][ T266] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.005475][ T266] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.005479][ T266] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.005484][ T266] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 12.005487][ T266] ? copy_msghdr_from_user (net/socket.c:2650) [ 12.005489][ T266] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 12.005491][ T266] ? move_addr_to_kernel (net/socket.c:258) [ 12.005498][ T266] ___sys_sendmsg (net/socket.c:2767) [ 12.005501][ T266] ? copy_msghdr_from_user (net/socket.c:2619) [ 12.005516][ T266] __sys_sendmsg (net/socket.c:2799) [ 12.005518][ T266] ? __sys_sendmsg_sock (net/socket.c:2780) [ 12.005525][ T266] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.005528][ T266] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.005531][ T266] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.005533][ T266] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.005536][ T266] RIP: 0033:0x7f7bef43854e [ 12.005539][ T266] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 12.005541][ T266] RSP: 002b:00007ffc26f7ca90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 12.005543][ T266] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7bef43854e [ 12.005545][ T266] RDX: 0000000000000000 RSI: 00007ffc26f7cb40 RDI: 0000000000000005 [ 12.005546][ T266] RBP: 00007ffc26f7caa0 R08: 0000000000000000 R09: 0000000000000000 [ 12.005546][ T266] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916247 [ 12.005547][ T266] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc26f7d200 | [ 13.036310][ T24] softirqs last disabled at (635010): netif_rx_mode_run (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1296 (discriminator 2)) | [ 13.036312][ T24] Preemption disabled at: | [ 13.036313][ T24] vprintk_emit (kernel/printk/printk.c:2471) | [ 13.036323][ T24] Tainted: [W]=WARN [ 13.036324][ T24] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.036326][ T24] Workqueue: events netdev_work_proc [ 13.036329][ T24] Call Trace: [ 13.036331][ T24] [ 13.036333][ T24] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.036339][ T24] ? vprintk_emit (kernel/printk/printk.c:2471) [ 13.036341][ T24] __might_resched.cold (kernel/sched/core.c:9234) [ 13.036346][ T24] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.036350][ T24] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.036355][ T24] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 13.036357][ T24] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.036363][ T24] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 13.036366][ T24] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.036369][ T24] put_chars (drivers/char/virtio_console.c:1176) [ 13.036372][ T24] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 13.036374][ T24] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.036377][ T24] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 13.036382][ T24] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.036388][ T24] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.036390][ T24] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.036395][ T24] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.036399][ T24] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.036403][ T24] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.036405][ T24] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 13.036408][ T24] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.036410][ T24] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.036414][ T24] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.036419][ T24] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.036421][ T24] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.036426][ T24] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.036429][ T24] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.036431][ T24] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.036433][ T24] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.036437][ T24] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.036438][ T24] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.036442][ T24] vprintk_emit (kernel/printk/printk.c:2479) [ 13.036446][ T24] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.036449][ T24] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.036451][ T24] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.036455][ T24] _printk (kernel/printk/printk.c:2504) [ 13.036459][ T24] ? snapshot_read.cold (user.c:?) [ 13.036460][ T24] ? unwind_next_frame (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/linux/rcupdate.h:1216 (discriminator 2) arch/x86/kernel/unwind_orc.c:495 (discriminator 2)) [ 13.036465][ T24] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.036467][ T24] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.036470][ T24] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 13.036473][ T24] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 13.036477][ T24] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 13.036479][ T24] ? netdev_notice (net/core/dev.c:13194) [ 13.036483][ T24] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.036485][ T24] ? netif_rx_mode_run (./include/linux/netdevice.h:5009 (discriminator 1) net/core/dev_addr_lists.c:1308 (discriminator 1)) [ 13.036486][ T24] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.036489][ T24] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.036491][ T24] ? 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) [ 13.036495][ T24] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 13.036500][ T24] netif_rx_mode_run (net/core/dev_addr_lists.c:1314) [ 13.036504][ T24] ? netif_rx_mode_cancel_retry (net/core/dev_addr_lists.c:1274) [ 13.036508][ T24] ? ref_tracker_free (lib/ref_tracker.c:339) [ 13.036513][ T24] ? ref_tracker_alloc (lib/ref_tracker.c:283) [ 13.036515][ T24] ? netdev_work_proc (./include/linux/netdevice.h:4548 ./include/linux/netdevice.h:4565 ./include/linux/netdevice.h:4561 net/core/netdev_work.c:164) [ 13.036517][ T24] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 13.036520][ T24] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.036522][ T24] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.036525][ T24] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 13.036529][ T24] netdev_work_proc (net/core/netdev_work.c:125 net/core/netdev_work.c:171) [ 13.036532][ T24] ? netdev_work_sched (net/core/netdev_work.c:82) [ 13.036534][ T24] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.036536][ T24] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.036538][ T24] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.036542][ T24] process_one_work (kernel/workqueue.c:3387) [ 13.036548][ T24] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 13.036551][ T24] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.036559][ T24] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 13.036566][ T24] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 13.036568][ T24] kthread (kernel/kthread.c:436) [ 13.036570][ T24] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.036573][ T24] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.036576][ T24] ret_from_fork (arch/x86/kernel/process.c:158) [ 13.036580][ T24] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 13.036583][ T24] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 13.036586][ T24] ? kthread_affine_preferred (kernel/kthread.c:857) [ 13.036589][ T24] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 15.177240][ T369] softirqs last disabled at (11002): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 15.177242][ T369] Preemption disabled at: | [ 15.177243][ T369] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.177252][ T369] Tainted: [W]=WARN [ 15.177253][ T369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.177255][ T369] Call Trace: [ 15.177257][ T369] [ 15.177258][ T369] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.177264][ T369] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.177266][ T369] __might_resched.cold (kernel/sched/core.c:9234) [ 15.177270][ T369] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.177274][ T369] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.177279][ T369] __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)) [ 15.177282][ T369] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.177289][ T369] ? 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) [ 15.177292][ T369] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.177295][ T369] put_chars (drivers/char/virtio_console.c:1176) [ 15.177297][ T369] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 15.177299][ T369] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.177302][ T369] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.177306][ T369] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.177308][ T369] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.177312][ T369] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.177314][ T369] ? mark_usage (kernel/locking/lockdep.c:4690) [ 15.177316][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.177318][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.177321][ T369] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.177323][ T369] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 15.177326][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.177329][ T369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.177332][ T369] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.177336][ T369] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.177338][ T369] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 15.177341][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.177343][ T369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.177347][ T369] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.177351][ T369] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.177353][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.177357][ T369] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.177360][ T369] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.177362][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.177364][ T369] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.177367][ T369] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.177369][ T369] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.177372][ T369] vprintk_emit (kernel/printk/printk.c:2479) [ 15.177376][ T369] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.177379][ T369] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.177381][ T369] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.177384][ T369] _printk (kernel/printk/printk.c:2504) [ 15.177388][ T369] ? snapshot_read.cold (user.c:?) [ 15.177392][ T369] ? br_multicast_flood (??:?) bridge [ 15.177405][ T369] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.177406][ T369] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.177407][ T369] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.177411][ T369] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 15.177421][ T369] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 15.177430][ T369] new_nbp (net/bridge/br_if.c:449) bridge [ 15.177438][ T369] br_add_if (net/bridge/br_if.c:592) bridge [ 15.177445][ T369] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 15.177449][ T369] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 15.177452][ T369] ? __kernel_text_address (kernel/extable.c:79) [ 15.177456][ T369] do_set_master (net/core/rtnetlink.c:3071) [ 15.177460][ T369] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 15.177463][ T369] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.177467][ T369] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.177468][ T369] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.177469][ T369] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.177473][ T369] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.177476][ T369] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.177477][ T369] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.177480][ T369] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.177483][ T369] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.177484][ T369] ? kasan_save_track (mm/kasan/common.c:78) [ 15.177487][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.177489][ T369] ? netlink_seq_next (net/netlink/af_netlink.c:2685) [ 15.177491][ T369] ? ___sys_sendmsg (net/socket.c:2757) [ 15.177496][ T369] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.177498][ T369] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.177500][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.177502][ T369] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.177504][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.177505][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.177508][ T369] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.177511][ T369] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 15.177514][ T369] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.177517][ T369] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.177520][ T369] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.177521][ T369] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.177526][ T369] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.177531][ T369] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.177536][ T369] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.177538][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.177542][ T369] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.177544][ T369] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.177546][ T369] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.177547][ T369] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.177551][ T369] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.177553][ T369] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.177556][ T369] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.177557][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.177561][ T369] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.177563][ T369] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.177566][ T369] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.177568][ T369] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.177571][ T369] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.177576][ T369] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 15.177578][ T369] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 15.177582][ T369] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.177586][ T369] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.177588][ T369] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.177592][ T369] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.177595][ T369] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.177599][ T369] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 15.177605][ T369] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 15.177607][ T369] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.177609][ T369] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 15.177611][ T369] ? move_addr_to_kernel (net/socket.c:258) [ 15.177618][ T369] ___sys_sendmsg (net/socket.c:2767) [ 15.177620][ T369] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.177635][ T369] __sys_sendmsg (net/socket.c:2799) [ 15.177638][ T369] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.177643][ T369] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.177647][ T369] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.177650][ T369] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.177652][ T369] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.177655][ T369] RIP: 0033:0x7fc0ba32e54e [ 15.177658][ T369] 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 [ 15.177660][ T369] RSP: 002b:00007fff58349660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.177663][ T369] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc0ba32e54e [ 15.177664][ T369] RDX: 0000000000000000 RSI: 00007fff58349710 RDI: 0000000000000005 [ 15.177665][ T369] RBP: 00007fff58349670 R08: 0000000000000000 R09: 0000000000000000 [ 15.177666][ T369] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91624a [ 15.177667][ T369] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff58349dd0 | [ 17.203906][ C1] | [ 17.203907][ C1] | [ 17.203907][ C1] stack backtrace: | [ 17.203913][ C1] Tainted: [W]=WARN [ 17.203913][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.203915][ C1] Call Trace: [ 17.203916][ C1] [ 17.203918][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.203922][ C1] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 17.203924][ C1] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 17.203927][ C1] mark_lock (kernel/locking/lockdep.c:4769) [ 17.203929][ C1] mark_usage (kernel/locking/lockdep.c:4658) [ 17.203930][ C1] __lock_acquire (kernel/locking/lockdep.c:5208) [ 17.203932][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.203934][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.203936][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.203939][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.203941][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.203943][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 17.203945][ C1] console_emit_next_record (kernel/printk/printk.c:3177) [ 17.203947][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.203949][ C1] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 17.203951][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.203952][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.203954][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.203957][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.203958][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.203960][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.203962][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.203964][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.203966][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.203968][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.203969][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.203971][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 17.203974][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.203976][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.203978][ C1] _printk (kernel/printk/printk.c:2504) [ 17.203979][ C1] ? snapshot_read.cold (user.c:?) [ 17.203981][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.203984][ C1] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 17.203991][ C1] ? idr_get_free (??:?) [ 17.203994][ C1] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 17.204001][ C1] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 17.204008][ C1] ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge [ 17.204017][ C1] ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge [ 17.204024][ C1] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 17.204032][ C1] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 17.204039][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.204041][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.204043][ C1] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 17.204050][ C1] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 17.204057][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 17.204060][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.204062][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2650) [ 17.204063][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 17.204066][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 17.204068][ C1] ? do_xdp_generic (net/core/dev.c:5732) [ 17.204069][ C1] ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55) [ 17.204071][ C1] ? write_profile (profile.c:?) [ 17.204074][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 17.204077][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 17.204078][ C1] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 17.204081][ C1] ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 17.204082][ C1] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 17.204084][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.204086][ C1] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 17.204088][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.204090][ C1] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 17.204092][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.204093][ C1] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 17.204095][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.204097][ C1] ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5)) [ 17.204098][ C1] ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2)) [ 17.204100][ C1] ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572) [ 17.204102][ C1] gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647) [ 17.204103][ C1] gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71) [ 17.204106][ C1] __napi_poll (net/core/dev.c:7787) [ 17.204108][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.204111][ C1] ? __napi_poll (./include/net/gro.h:507) [ 17.204112][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.204115][ C1] ? __schedule (kernel/sched/core.c:7277) [ 17.204117][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.204119][ C1] handle_softirqs (kernel/softirq.c:645) [ 17.204121][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.204123][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.204125][ C1] run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) [ 17.204126][ C1] smpboot_thread_fn (kernel/smpboot.c:160) [ 17.204128][ C1] ? sort_range (kernel/range.c:164) [ 17.204130][ C1] kthread (kernel/kthread.c:436) [ 17.204132][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.204134][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.204136][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.204138][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.204140][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.204142][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.204144][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 17.204169][ C1] softirqs last disabled at (1076945): run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) | [ 17.204171][ C1] Preemption disabled at: | [ 17.204172][ C1] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1)) | [ 17.204176][ C1] Tainted: [W]=WARN [ 17.204177][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 17.204177][ C1] Call Trace: [ 17.204178][ C1] [ 17.204179][ C1] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 17.204181][ C1] ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1)) [ 17.204182][ C1] __might_resched.cold (kernel/sched/core.c:9234) [ 17.204185][ C1] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 17.204188][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.204190][ C1] __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)) [ 17.204192][ C1] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 17.204194][ C1] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.204195][ C1] ? 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) [ 17.204197][ C1] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 17.204199][ C1] put_chars (drivers/char/virtio_console.c:1176) [ 17.204201][ C1] ? __send_to_port (drivers/char/virtio_console.c:654) [ 17.204203][ C1] ? mark_lock (kernel/locking/lockdep.c:4769) [ 17.204205][ C1] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 17.204207][ C1] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 17.204208][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.204210][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.204212][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.204214][ C1] console_emit_next_record (kernel/printk/printk.c:3183) [ 17.204216][ C1] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 17.204218][ C1] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 17.204220][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.204221][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.204223][ C1] console_flush_one_record (kernel/printk/printk.c:3268) [ 17.204225][ C1] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 17.204227][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.204229][ C1] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 17.204231][ C1] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 17.204233][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.204235][ C1] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 17.204236][ C1] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 17.204238][ C1] ? vprintk_emit (kernel/printk/printk.c:2478) [ 17.204240][ C1] vprintk_emit (kernel/printk/printk.c:2479) [ 17.204242][ C1] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 17.204244][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.204246][ C1] _printk (kernel/printk/printk.c:2504) [ 17.204248][ C1] ? snapshot_read.cold (user.c:?) [ 17.204249][ C1] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 17.204252][ C1] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 17.204258][ C1] ? idr_get_free (??:?) [ 17.204261][ C1] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 17.204268][ C1] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 17.204274][ C1] ? __allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:612) bridge [ 17.204280][ C1] ? br_allowed_ingress (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/bridge/br_private.h:771 net/bridge/br_vlan.c:657) bridge [ 17.204290][ C1] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 17.204297][ C1] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 17.204304][ C1] ? mark_usage (kernel/locking/lockdep.c:4690) [ 17.204306][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 17.204308][ C1] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 17.204314][ C1] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 17.204321][ C1] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 17.204323][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.204325][ C1] ? rcu_do_batch (kernel/rcu/tree.c:2650) [ 17.204326][ C1] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 17.204327][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 17.204329][ C1] ? do_xdp_generic (net/core/dev.c:5732) [ 17.204331][ C1] ? stack_access_ok (./arch/x86/include/asm/stacktrace.h:55) [ 17.204333][ C1] ? write_profile (profile.c:?) [ 17.204334][ C1] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:25) [ 17.204337][ C1] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 17.204339][ C1] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 17.204341][ C1] ? validate_chain (kernel/locking/lockdep.c:157 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 17.204342][ C1] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 17.204344][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 17.204346][ C1] ? netif_receive_skb_list_internal (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) net/core/dev.c:6482 (discriminator 2)) [ 17.204348][ C1] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 17.204350][ C1] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 17.204352][ C1] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 17.204353][ C1] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 17.204355][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.204356][ C1] ? validate_chain (kernel/locking/lockdep.c:154 (discriminator 5) kernel/locking/lockdep.c:202 (discriminator 5) kernel/locking/lockdep.c:3329 (discriminator 5) kernel/locking/lockdep.c:3924 (discriminator 5)) [ 17.204358][ C1] ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2)) [ 17.204359][ C1] ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572) [ 17.204361][ C1] gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647) [ 17.204363][ C1] gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71) [ 17.204365][ C1] __napi_poll (net/core/dev.c:7787) [ 17.204367][ C1] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 17.204370][ C1] ? __napi_poll (./include/net/gro.h:507) [ 17.204372][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 17.204375][ C1] ? __schedule (kernel/sched/core.c:7277) [ 17.204376][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.204378][ C1] handle_softirqs (kernel/softirq.c:645) [ 17.204380][ C1] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 17.204382][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 17.204384][ C1] run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) [ 17.204385][ C1] smpboot_thread_fn (kernel/smpboot.c:160) [ 17.204387][ C1] ? sort_range (kernel/range.c:164) [ 17.204389][ C1] kthread (kernel/kthread.c:436) [ 17.204391][ C1] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 17.204392][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.204394][ C1] ret_from_fork (arch/x86/kernel/process.c:158) [ 17.204395][ C1] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 17.204397][ C1] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 17.204398][ C1] ? kthread_affine_preferred (kernel/kthread.c:857) [ 17.204400][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 28.283752][ T12] softirqs last disabled at (39582): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 28.283754][ T12] Preemption disabled at: | [ 28.283755][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 28.283767][ T12] Tainted: [W]=WARN [ 28.283768][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.283770][ T12] Workqueue: netns cleanup_net [ 28.283776][ T12] Call Trace: [ 28.283778][ T12] [ 28.283779][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 28.283785][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 28.283786][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 28.283790][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 28.283793][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.283797][ T12] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 28.283801][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.283803][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.283806][ T12] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 28.283808][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 28.283810][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 28.283811][ T12] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 28.283813][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 28.283816][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 28.283818][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 28.283821][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 28.283822][ T12] ? 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) [ 28.283824][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.283825][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.283827][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.283829][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.283831][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 28.283833][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 28.283835][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.283837][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.283838][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.283840][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.283842][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 28.283844][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 28.283846][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 28.283849][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 28.283850][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.283852][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 28.283853][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.283855][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 28.283857][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 28.283858][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 28.283860][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 28.283862][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 28.283864][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 28.283866][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 28.283868][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 28.283871][ T12] ? kthread (kernel/kthread.c:436) [ 28.283873][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 28.283875][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 28.283878][ T12] _printk (kernel/printk/printk.c:2504) [ 28.283881][ T12] ? snapshot_read.cold (user.c:?) [ 28.283883][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 28.283886][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 28.283888][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 28.283889][ T12] ? netdev_notice (net/core/dev.c:13194) [ 28.283891][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.283893][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 28.283894][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 28.283897][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 28.283898][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 28.283901][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 28.283903][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 28.283906][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 28.283919][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 28.283927][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 28.283934][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 28.283936][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 28.283938][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 28.283941][ T12] cleanup_net (net/core/net_namespace.c:706) [ 28.283943][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 28.283945][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 28.283946][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 28.283949][ T12] process_one_work (kernel/workqueue.c:3387) [ 28.283951][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 28.283953][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 28.283955][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 28.283957][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 28.283960][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 28.283962][ T12] kthread (kernel/kthread.c:436) [ 28.283963][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 28.283965][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.283966][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 28.283968][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 28.283970][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 28.283972][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 28.283974][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 29.283347][ T623] softirqs last disabled at (0): 0x0 | [ 29.283349][ T623] Preemption disabled at: | [ 29.283351][ T623] vprintk_emit (kernel/printk/printk.c:2471) | [ 29.283365][ T623] Tainted: [W]=WARN [ 29.283366][ T623] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.283369][ T623] Call Trace: [ 29.283371][ T623] [ 29.283373][ T623] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.283379][ T623] ? vprintk_emit (kernel/printk/printk.c:2471) [ 29.283382][ T623] __might_resched.cold (kernel/sched/core.c:9234) [ 29.283387][ T623] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.283392][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283397][ T623] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 29.283402][ T623] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 29.283405][ T623] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.283410][ T623] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 29.283412][ T623] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.283415][ T623] put_chars (drivers/char/virtio_console.c:1176) [ 29.283417][ T623] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.283420][ T623] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 29.283424][ T623] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.283428][ T623] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.283430][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283433][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.283436][ T623] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.283440][ T623] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.283442][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283445][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283447][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283450][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.283453][ T623] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 29.283455][ T623] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.283458][ T623] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.283462][ T623] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.283465][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.283467][ T623] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.283470][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283472][ T623] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 29.283474][ T623] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 29.283477][ T623] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 29.283480][ T623] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.283482][ T623] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.283485][ T623] vprintk_emit (kernel/printk/printk.c:2479) [ 29.283488][ T623] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.283491][ T623] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 29.283495][ T623] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 29.283498][ T623] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 29.283501][ T623] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 29.283504][ T623] ? ___sys_sendmsg (net/socket.c:2767) [ 29.283506][ T623] ? __sys_sendmsg (net/socket.c:2799) [ 29.283509][ T623] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.283513][ T623] _printk (kernel/printk/printk.c:2504) [ 29.283517][ T623] ? snapshot_read.cold (user.c:?) [ 29.283521][ T623] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 29.283524][ T623] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 29.283527][ T623] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 29.283529][ T623] ? netdev_notice (net/core/dev.c:13194) [ 29.283532][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283536][ T623] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 29.283538][ T623] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 29.283541][ T623] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 29.283544][ T623] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 29.283547][ T623] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 29.283551][ T623] dev_set_allmulti (net/core/dev_api.c:315) [ 29.283554][ T623] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 29.283571][ T623] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 29.283576][ T623] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 29.283580][ T623] br_del_if (net/bridge/br_if.c:732) bridge [ 29.283591][ T623] ? rtnl_is_locked (net/core/rtnetlink.c:169) [ 29.283594][ T623] do_set_master (net/core/rtnetlink.c:3055) [ 29.283598][ T623] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 29.283602][ T623] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 29.283605][ T623] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 29.283607][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283610][ T623] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 29.283615][ T623] ? kasan_save_stack (mm/kasan/common.c:58) [ 29.283619][ T623] ? kasan_save_stack (mm/kasan/common.c:57) [ 29.283621][ T623] ? kasan_save_track (mm/kasan/common.c:78) [ 29.283623][ T623] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 29.283625][ T623] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 29.283628][ T623] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 29.283629][ T623] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 29.283631][ T623] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 29.283634][ T623] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 29.283636][ T623] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 29.283638][ T623] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 29.283640][ T623] ? ___sys_sendmsg (net/socket.c:2767) [ 29.283642][ T623] ? __sys_sendmsg (net/socket.c:2799) [ 29.283644][ T623] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.283646][ T623] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.283650][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283652][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.283654][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283657][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283659][ T623] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 29.283662][ T623] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 29.283665][ T623] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 29.283667][ T623] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 29.283670][ T623] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 29.283672][ T623] ? nla_get_range_signed (lib/nlattr.c:270) [ 29.283676][ T623] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 29.283679][ T623] rtnl_newlink (net/core/rtnetlink.c:4215) [ 29.283683][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283685][ T623] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.283687][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.283689][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283692][ T623] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 29.283695][ T623] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 29.283697][ T623] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 29.283699][ T623] ? __kernel_text_address (kernel/extable.c:79) [ 29.283701][ T623] ? write_profile (profile.c:?) [ 29.283704][ T623] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 29.283707][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283710][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283712][ T623] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 29.283716][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.283718][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283721][ T623] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.283723][ T623] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 29.283726][ T623] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.283728][ T623] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 29.283730][ T623] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 29.283734][ T623] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 29.283736][ T623] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.283738][ T623] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 29.283741][ T623] ? netlink_ack (./include/linux/skbuff.h:2718) [ 29.283743][ T623] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 29.283747][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283750][ T623] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 29.283753][ T623] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 29.283756][ T623] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.283758][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283761][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283763][ T623] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.283766][ T623] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 29.283769][ T623] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.283772][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283775][ T623] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 29.283777][ T623] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 29.283780][ T623] ? copy_msghdr_from_user (net/socket.c:2650) [ 29.283782][ T623] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 29.283785][ T623] ? move_addr_to_kernel (net/socket.c:258) [ 29.283787][ T623] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 29.283791][ T623] ___sys_sendmsg (net/socket.c:2767) [ 29.283794][ T623] ? copy_msghdr_from_user (net/socket.c:2619) [ 29.283801][ T623] __sys_sendmsg (net/socket.c:2799) [ 29.283804][ T623] ? __sys_sendmsg_sock (net/socket.c:2780) [ 29.283808][ T623] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.283811][ T623] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.283813][ T623] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.283817][ T623] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.283819][ T623] RIP: 0033:0x7f8a399f954e [ 29.283822][ T623] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 29.283824][ T623] RSP: 002b:00007ffed956b240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.283829][ T623] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f8a399f954e [ 29.283831][ T623] RDX: 0000000000000000 RSI: 00007ffed956b2f0 RDI: 0000000000000005 [ 29.283832][ T623] RBP: 00007ffed956b250 R08: 0000000000000000 R09: 0000000000000000 [ 29.283834][ T623] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916258 Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable netif_rx_mode_run:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars run_ksoftirqd:handle_softirqs:dump_stack_lvl:__kmalloc_noprof:put_chars vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars