====================================== | [ 11.734136][ T268] softirqs last disabled at (13560): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 11.734138][ T268] Preemption disabled at: | [ 11.734139][ T268] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.734148][ T268] Tainted: [W]=WARN [ 11.734149][ T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.734151][ T268] Call Trace: [ 11.734153][ T268] [ 11.734154][ T268] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.734160][ T268] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.734163][ T268] __might_resched.cold (kernel/sched/core.c:9234) [ 11.734167][ T268] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.734172][ T268] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.734177][ T268] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.734179][ T268] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.734185][ T268] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.734187][ T268] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.734191][ T268] put_chars (drivers/char/virtio_console.c:1176) [ 11.734193][ T268] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.734198][ T268] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.734201][ T268] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.734204][ T268] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.734206][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.734208][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.734212][ T268] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.734214][ T268] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.734217][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.734221][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.734225][ T268] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.734229][ T268] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.734230][ T268] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.734233][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.734236][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.734240][ T268] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.734244][ T268] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.734246][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.734251][ T268] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.734254][ T268] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.734258][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.734261][ T268] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.734265][ T268] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.734266][ T268] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.734275][ T268] vprintk_emit (kernel/printk/printk.c:2479) [ 11.734279][ T268] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.734282][ T268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.734283][ T268] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 11.734288][ T268] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.734291][ T268] _printk (kernel/printk/printk.c:2504) [ 11.734294][ T268] ? snapshot_read.cold (user.c:?) [ 11.734299][ T268] ? br_multicast_flood (??:?) bridge [ 11.734312][ T268] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.734314][ T268] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.734315][ T268] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.734319][ T268] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 11.734329][ T268] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 11.734337][ T268] new_nbp (net/bridge/br_if.c:449) bridge [ 11.734346][ T268] br_add_if (net/bridge/br_if.c:592) bridge [ 11.734353][ T268] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 11.734357][ T268] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 11.734360][ T268] ? __kernel_text_address (kernel/extable.c:79) [ 11.734364][ T268] do_set_master (net/core/rtnetlink.c:3071) [ 11.734368][ T268] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 11.734372][ T268] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.734375][ T268] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.734376][ T268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.734379][ T268] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.734382][ T268] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.734385][ T268] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.734387][ T268] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.734389][ T268] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.734392][ T268] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.734394][ T268] ? kasan_save_track (mm/kasan/common.c:78) [ 11.734397][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.734399][ T268] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 11.734402][ T268] ? ___sys_sendmsg (net/socket.c:2757) [ 11.734406][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.734408][ T268] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.734411][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.734413][ T268] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.734415][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.734416][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.734419][ T268] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.734422][ T268] ? __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) [ 11.734424][ T268] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.734426][ T268] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.734430][ T268] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.734431][ T268] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.734436][ T268] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.734441][ T268] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.734447][ T268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.734448][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.734453][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.734455][ T268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.734457][ T268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.734459][ T268] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.734462][ T268] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.734464][ T268] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.734467][ T268] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.734469][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.734473][ T268] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.734475][ T268] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.734478][ T268] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.734480][ T268] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.734483][ T268] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.734489][ T268] ? 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)) [ 11.734491][ T268] ? 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)) [ 11.734495][ T268] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.734498][ T268] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.734501][ T268] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.734505][ T268] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.734509][ T268] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.734513][ T268] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.734518][ T268] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 11.734520][ T268] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.734522][ T268] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 11.734524][ T268] ? move_addr_to_kernel (net/socket.c:258) [ 11.734531][ T268] ___sys_sendmsg (net/socket.c:2767) [ 11.734534][ T268] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.734550][ T268] __sys_sendmsg (net/socket.c:2799) [ 11.734553][ T268] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.734560][ T268] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.734565][ T268] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.734568][ T268] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.734573][ T268] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.734575][ T268] RIP: 0033:0x7ff3c073c54e [ 11.734579][ T268] 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 [ 11.734581][ T268] RSP: 002b:00007fff4777cc80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.734585][ T268] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ff3c073c54e [ 11.734587][ T268] RDX: 0000000000000000 RSI: 00007fff4777cd30 RDI: 0000000000000005 [ 11.734588][ T268] RBP: 00007fff4777cc90 R08: 0000000000000000 R09: 0000000000000000 [ 11.734589][ T268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac34 [ 11.734590][ T268] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff4777d3f0 | [ 14.462341][ T363] softirqs last disabled at (13393): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 14.462343][ T363] Preemption disabled at: | [ 14.462344][ T363] vprintk_emit (kernel/printk/printk.c:2471) | [ 14.462353][ T363] Tainted: [W]=WARN [ 14.462354][ T363] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.462356][ T363] Call Trace: [ 14.462357][ T363] [ 14.462359][ T363] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.462364][ T363] ? vprintk_emit (kernel/printk/printk.c:2471) [ 14.462367][ T363] __might_resched.cold (kernel/sched/core.c:9234) [ 14.462371][ T363] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.462376][ T363] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 14.462381][ T363] __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)) [ 14.462383][ T363] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.462388][ T363] ? 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) [ 14.462391][ T363] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.462394][ T363] put_chars (drivers/char/virtio_console.c:1176) [ 14.462396][ T363] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 14.462398][ T363] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.462401][ T363] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.462405][ T363] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.462408][ T363] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.462411][ T363] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.462414][ T363] ? mark_usage (kernel/locking/lockdep.c:4690) [ 14.462416][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.462417][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.462421][ T363] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.462423][ T363] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 14.462426][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.462429][ T363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.462433][ T363] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.462437][ T363] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.462438][ T363] ? 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)) [ 14.462442][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.462444][ T363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.462448][ T363] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.462452][ T363] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.462454][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.462459][ T363] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.462462][ T363] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.462463][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.462466][ T363] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.462469][ T363] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.462471][ T363] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.462474][ T363] vprintk_emit (kernel/printk/printk.c:2479) [ 14.462478][ T363] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.462481][ T363] ? netif_get_link_ksettings (net/ethtool/ioctl.c:450) [ 14.462487][ T363] _printk (kernel/printk/printk.c:2504) [ 14.462490][ T363] ? snapshot_read.cold (user.c:?) [ 14.462494][ T363] ? br_multicast_flood (??:?) bridge [ 14.462507][ T363] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.462508][ T363] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.462509][ T363] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.462514][ T363] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 14.462524][ T363] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 14.462533][ T363] new_nbp (net/bridge/br_if.c:449) bridge [ 14.462541][ T363] br_add_if (net/bridge/br_if.c:592) bridge [ 14.462548][ T363] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 14.462552][ T363] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 14.462555][ T363] ? __kernel_text_address (kernel/extable.c:79) [ 14.462559][ T363] do_set_master (net/core/rtnetlink.c:3071) [ 14.462564][ T363] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 14.462567][ T363] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.462570][ T363] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.462571][ T363] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 14.462573][ T363] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 14.462576][ T363] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 14.462579][ T363] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 14.462581][ T363] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 14.462583][ T363] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.462586][ T363] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.462588][ T363] ? kasan_save_track (mm/kasan/common.c:78) [ 14.462590][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.462592][ T363] ? netlink_seq_next (net/netlink/af_netlink.c:2684) [ 14.462595][ T363] ? ___sys_sendmsg (net/socket.c:2757) [ 14.462599][ T363] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.462601][ T363] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.462604][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.462606][ T363] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.462608][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.462610][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.462612][ T363] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.462616][ T363] ? __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) [ 14.462618][ T363] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.462620][ T363] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.462624][ T363] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.462625][ T363] ? nla_get_range_signed (lib/nlattr.c:270) [ 14.462630][ T363] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.462635][ T363] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.462641][ T363] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.462643][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.462647][ T363] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.462649][ T363] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.462651][ T363] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.462652][ T363] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 14.462656][ T363] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.462658][ T363] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.462661][ T363] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.462662][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.462667][ T363] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 14.462669][ T363] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 14.462672][ T363] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.462674][ T363] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.462676][ T363] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.462683][ T363] ? 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)) [ 14.462684][ T363] ? 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)) [ 14.462688][ T363] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.462692][ T363] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.462695][ T363] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 14.462699][ T363] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.462702][ T363] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.462706][ T363] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 14.462711][ T363] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.462713][ T363] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.462716][ T363] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.462717][ T363] ? move_addr_to_kernel (net/socket.c:258) [ 14.462725][ T363] ___sys_sendmsg (net/socket.c:2767) [ 14.462727][ T363] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.462743][ T363] __sys_sendmsg (net/socket.c:2799) [ 14.462746][ T363] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.462752][ T363] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.462755][ T363] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.462758][ T363] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.462761][ T363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.462763][ T363] RIP: 0033:0x7fd35007554e [ 14.462766][ T363] 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 [ 14.462768][ T363] RSP: 002b:00007ffc0ed41cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.462771][ T363] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fd35007554e [ 14.462773][ T363] RDX: 0000000000000000 RSI: 00007ffc0ed41d80 RDI: 0000000000000005 [ 14.462774][ T363] RBP: 00007ffc0ed41ce0 R08: 0000000000000000 R09: 0000000000000000 [ 14.462774][ T363] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91ac36 [ 14.462775][ T363] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc0ed42440 | [ 16.486118][ C0] | [ 16.486119][ C0] | [ 16.486119][ C0] stack backtrace: | [ 16.486125][ C0] Tainted: [W]=WARN [ 16.486126][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.486127][ C0] Call Trace: [ 16.486129][ C0] [ 16.486130][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.486134][ C0] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141) [ 16.486136][ C0] mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310) [ 16.486139][ C0] mark_lock (kernel/locking/lockdep.c:4769) [ 16.486141][ C0] mark_usage (kernel/locking/lockdep.c:4658) [ 16.486143][ C0] __lock_acquire (kernel/locking/lockdep.c:5208) [ 16.486145][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.486147][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.486149][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486152][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.486154][ C0] console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.486156][ C0] ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2)) [ 16.486158][ C0] console_emit_next_record (kernel/printk/printk.c:3177) [ 16.486160][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.486161][ C0] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 16.486163][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486165][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.486167][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.486169][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.486171][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.486173][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.486175][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.486177][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486178][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.486180][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.486182][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.486184][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 16.486187][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.486189][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.486191][ C0] _printk (kernel/printk/printk.c:2504) [ 16.486192][ C0] ? snapshot_read.cold (user.c:?) [ 16.486194][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.486197][ C0] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.486204][ C0] ? idr_get_free (??:?) [ 16.486207][ C0] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.486214][ C0] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.486220][ C0] ? __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 [ 16.486229][ C0] ? 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 [ 16.486235][ C0] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.486242][ C0] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.486249][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.486251][ C0] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 16.486256][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.486259][ C0] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.486265][ C0] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.486271][ C0] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.486274][ C0] ? kthread (./include/linux/cgroup.h:786 (discriminator 1) kernel/kthread.c:434 (discriminator 1)) [ 16.486275][ C0] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 16.486276][ C0] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 16.486279][ C0] ? do_xdp_generic (net/core/dev.c:5732) [ 16.486282][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486284][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 16.486285][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 16.486287][ C0] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6)) [ 16.486290][ C0] ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626) [ 16.486296][ C0] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.486299][ C0] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.486301][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.486303][ C0] ? 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)) [ 16.486305][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.486307][ C0] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.486309][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.486311][ C0] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.486313][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.486314][ C0] ? 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)) [ 16.486316][ C0] ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2)) [ 16.486317][ C0] ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572) [ 16.486319][ C0] gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647) [ 16.486321][ C0] gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71) [ 16.486323][ C0] __napi_poll (net/core/dev.c:7787) [ 16.486326][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.486328][ C0] ? __napi_poll (./include/net/gro.h:507) [ 16.486331][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486334][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486336][ C0] handle_softirqs (kernel/softirq.c:645) [ 16.486338][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.486339][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486341][ C0] run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) [ 16.486343][ C0] smpboot_thread_fn (kernel/smpboot.c:160) [ 16.486345][ C0] ? sort_range (kernel/range.c:164) [ 16.486346][ C0] kthread (kernel/kthread.c:436) [ 16.486348][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.486350][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.486352][ C0] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.486354][ C0] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.486355][ C0] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.486358][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.486360][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 16.486378][ C0] softirqs last disabled at (1314435): run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) | [ 16.486380][ C0] Preemption disabled at: | [ 16.486381][ C0] handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1)) | [ 16.486385][ C0] Tainted: [W]=WARN [ 16.486386][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.486386][ C0] Call Trace: [ 16.486387][ C0] [ 16.486387][ C0] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 16.486390][ C0] ? handle_softirqs (kernel/softirq.c:486 (discriminator 1) kernel/softirq.c:621 (discriminator 1)) [ 16.486391][ C0] __might_resched.cold (kernel/sched/core.c:9234) [ 16.486394][ C0] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 16.486397][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486399][ C0] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 16.486401][ C0] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 16.486402][ C0] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.486404][ C0] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 16.486406][ C0] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 16.486408][ C0] put_chars (drivers/char/virtio_console.c:1176) [ 16.486409][ C0] ? __send_to_port (drivers/char/virtio_console.c:654) [ 16.486411][ C0] ? mark_lock (kernel/locking/lockdep.c:4769) [ 16.486413][ C0] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 16.486416][ C0] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 16.486417][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486419][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486420][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.486422][ C0] console_emit_next_record (kernel/printk/printk.c:3183) [ 16.486424][ C0] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 16.486426][ C0] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 16.486428][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486430][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.486432][ C0] console_flush_one_record (kernel/printk/printk.c:3268) [ 16.486434][ C0] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 16.486436][ C0] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 16.486438][ C0] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 16.486440][ C0] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 16.486442][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486443][ C0] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 16.486445][ C0] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 16.486447][ C0] ? vprintk_emit (kernel/printk/printk.c:2478) [ 16.486449][ C0] vprintk_emit (kernel/printk/printk.c:2479) [ 16.486451][ C0] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 16.486453][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.486455][ C0] _printk (kernel/printk/printk.c:2504) [ 16.486457][ C0] ? snapshot_read.cold (user.c:?) [ 16.486458][ C0] ? ___ratelimit (lib/ratelimit.c:97 (discriminator 3)) [ 16.486460][ C0] ? fdb_notify.isra.0 (net/bridge/br_fdb.c:181) bridge [ 16.486467][ C0] ? idr_get_free (??:?) [ 16.486469][ C0] br_fdb_update.cold (net/bridge/br_fdb.c:987 (discriminator 1)) bridge [ 16.486476][ C0] ? br_fdb_add_local (net/bridge/br_fdb.c:964) bridge [ 16.486483][ C0] ? __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 [ 16.486489][ C0] ? 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 [ 16.486495][ C0] br_handle_frame_finish (net/bridge/br_input.c:144 (discriminator 1)) bridge [ 16.486502][ C0] ? br_handle_local_finish (net/bridge/br_input.c:265) bridge [ 16.486509][ C0] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 16.486510][ C0] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 16.486512][ C0] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 16.486514][ C0] br_handle_frame (net/bridge/br_input.c:315 (discriminator 1) net/bridge/br_input.c:442 (discriminator 1)) bridge [ 16.486520][ C0] ? br_handle_frame_finish (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) bridge [ 16.486526][ C0] __netif_receive_skb_core.constprop.0 (net/core/dev.c:6151) [ 16.486528][ C0] ? kthread (./include/linux/cgroup.h:786 (discriminator 1) kernel/kthread.c:434 (discriminator 1)) [ 16.486530][ C0] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 16.486531][ C0] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 16.486533][ C0] ? do_xdp_generic (net/core/dev.c:5732) [ 16.486536][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486538][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 16.486540][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 16.486541][ C0] ? kasan_quarantine_put (mm/kasan/quarantine.c:234 (discriminator 6)) [ 16.486543][ C0] ? kmem_cache_free (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6626) [ 16.486545][ C0] __netif_receive_skb_list_core (net/core/dev.c:6339) [ 16.486547][ C0] ? __netif_receive_skb_core.constprop.0 (./include/linux/filter.h:885 (discriminator 1)) [ 16.486549][ C0] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 16.486551][ C0] ? 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)) [ 16.486553][ C0] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 16.486555][ C0] netif_receive_skb_list_internal (net/core/dev.c:6406 net/core/dev.c:6497) [ 16.486557][ C0] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 16.486558][ C0] ? process_backlog (net/core/dev.c:6752 (discriminator 28)) [ 16.486560][ C0] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 16.486561][ C0] ? 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)) [ 16.486563][ C0] ? dev_gro_receive (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/core/gro.c:533 (discriminator 2)) [ 16.486564][ C0] ? dev_gro_receive (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 net/core/gro.c:572) [ 16.486566][ C0] gro_receive_skb (./include/net/gro.h:523 ./include/net/gro.h:543 net/core/gro.c:617 net/core/gro.c:647) [ 16.486568][ C0] gro_cell_poll (./include/linux/netdevice.h:4346 net/core/gro_cells.c:71) [ 16.486571][ C0] __napi_poll (net/core/dev.c:7787) [ 16.486573][ C0] net_rx_action (net/core/dev.c:7850 net/core/dev.c:8007) [ 16.486575][ C0] ? __napi_poll (./include/net/gro.h:507) [ 16.486578][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486581][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486583][ C0] handle_softirqs (kernel/softirq.c:645) [ 16.486585][ C0] ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1)) [ 16.486586][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 16.486588][ C0] run_ksoftirqd (kernel/softirq.c:1108 kernel/softirq.c:1100) [ 16.486590][ C0] smpboot_thread_fn (kernel/smpboot.c:160) [ 16.486592][ C0] ? sort_range (kernel/range.c:164) [ 16.486593][ C0] kthread (kernel/kthread.c:436) [ 16.486595][ C0] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 16.486596][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.486598][ C0] ret_from_fork (arch/x86/kernel/process.c:158) [ 16.486599][ C0] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 16.486601][ C0] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 16.486603][ C0] ? kthread_affine_preferred (kernel/kthread.c:857) [ 16.486604][ C0] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 32.518162][ T12] softirqs last disabled at (33242): __fib6_clean_all (./include/linux/spinlock.h:353 net/ipv6/ip6_fib.c:2323) | [ 32.518164][ T12] Preemption disabled at: | [ 32.518165][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 32.518177][ T12] Tainted: [W]=WARN [ 32.518178][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.518180][ T12] Workqueue: netns cleanup_net [ 32.518186][ T12] Call Trace: [ 32.518187][ T12] [ 32.518189][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.518194][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 32.518196][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 32.518200][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.518203][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.518207][ 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)) [ 32.518211][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.518214][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.518217][ 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) [ 32.518219][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.518221][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 32.518222][ T12] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 32.518224][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.518226][ T12] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 32.518229][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.518232][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.518234][ 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) [ 32.518235][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.518237][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.518239][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.518240][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.518243][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.518245][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.518247][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.518249][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.518250][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.518252][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.518254][ T12] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 32.518258][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.518260][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.518263][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.518265][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.518266][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.518268][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.518270][ T12] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 32.518271][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 32.518273][ T12] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 32.518275][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.518277][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.518279][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 32.518281][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.518283][ T12] ? process_one_work (kernel/workqueue.c:3387) [ 32.518286][ T12] ? kthread (kernel/kthread.c:436) [ 32.518288][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 32.518291][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 32.518293][ T12] _printk (kernel/printk/printk.c:2504) [ 32.518296][ T12] ? snapshot_read.cold (user.c:?) [ 32.518299][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.518302][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.518304][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.518306][ T12] ? netdev_notice (net/core/dev.c:13194) [ 32.518307][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.518309][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 32.518311][ T12] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 32.518313][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 32.518314][ 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) [ 32.518317][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 32.518320][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 32.518323][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) bridge [ 32.518336][ T12] br_dev_delete (net/bridge/br_if.c:387) bridge [ 32.518344][ T12] br_net_exit_rtnl (net/bridge/br.c:414) bridge [ 32.518351][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 32.518353][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 32.518355][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 32.518358][ T12] cleanup_net (net/core/net_namespace.c:706) [ 32.518360][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 32.518367][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.518369][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.518371][ T12] process_one_work (kernel/workqueue.c:3387) [ 32.518374][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 32.518376][ T12] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.518377][ T12] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 32.518380][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 32.518383][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 32.518384][ T12] kthread (kernel/kthread.c:436) [ 32.518386][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 32.518387][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 32.518389][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 32.518391][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 32.518393][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 32.518395][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable run_ksoftirqd:handle_softirqs:dump_stack_lvl:__kmalloc_noprof:put_chars __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __fib6_clean_all:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars