====================================== | [ 10.246667][ T227] softirqs last disabled at (19162): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.246670][ T227] Preemption disabled at: | [ 10.246671][ T227] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.246679][ T227] Tainted: [W]=WARN [ 10.246680][ T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.246682][ T227] Call Trace: [ 10.246683][ T227] [ 10.246685][ T227] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.246691][ T227] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.246692][ T227] __might_resched.cold (kernel/sched/core.c:9234) [ 10.246697][ T227] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.246701][ T227] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.246705][ T227] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.246707][ T227] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.246714][ T227] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.246716][ T227] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.246720][ T227] put_chars (drivers/char/virtio_console.c:1176) [ 10.246722][ T227] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.246729][ T227] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.246736][ T227] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.246739][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.246744][ T227] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.246748][ T227] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.246750][ T227] ? 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)) [ 10.246753][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.246756][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.246760][ T227] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.246764][ T227] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.246766][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.246771][ T227] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.246774][ T227] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.246776][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.246778][ T227] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.246781][ T227] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.246783][ T227] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.246786][ T227] vprintk_emit (kernel/printk/printk.c:2479) [ 10.246789][ T227] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.246791][ T227] ? save_trace (kernel/locking/lockdep.c:589) [ 10.246795][ T227] _printk (kernel/printk/printk.c:2504) [ 10.246799][ T227] ? snapshot_read.cold (user.c:?) [ 10.246802][ T227] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.246804][ T227] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.246808][ T227] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.246811][ T227] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.246813][ T227] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.246816][ T227] ? netdev_notice (net/core/dev.c:13194) [ 10.246819][ T227] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.246822][ T227] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.246824][ T227] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.246833][ T227] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.246835][ T227] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.246837][ T227] ? register_netdev (net/core/dev.c:11618) [ 10.246838][ T227] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 10.246844][ T227] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.246846][ T227] ? __kernel_text_address (kernel/extable.c:79) [ 10.246849][ T227] ? write_profile (profile.c:?) [ 10.246853][ T227] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.246862][ T227] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.246865][ T227] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.246867][ T227] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.246869][ T227] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.246871][ T227] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.246875][ T227] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.246877][ T227] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.246879][ T227] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.246881][ T227] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.246883][ T227] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.246884][ T227] ? kasan_save_track (mm/kasan/common.c:78) [ 10.246886][ T227] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.246888][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.246890][ T227] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.246893][ T227] ? ___sys_sendmsg (net/socket.c:2758) [ 10.246897][ T227] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.246899][ T227] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.246902][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.246903][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.246905][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.246906][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.246908][ T227] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.246910][ T227] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 10.246913][ T227] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.246915][ T227] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.246918][ T227] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.246919][ T227] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.246924][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.246927][ T227] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.246932][ T227] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.246937][ T227] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.246939][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.246944][ T227] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.246946][ T227] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.246948][ T227] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.246950][ T227] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.246953][ T227] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.246956][ T227] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.246959][ T227] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.246960][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.246965][ T227] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.246967][ T227] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.246970][ T227] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.246973][ T227] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.246976][ T227] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.246983][ T227] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.246985][ T227] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.246989][ T227] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.246993][ T227] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.246996][ T227] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.247000][ T227] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.247004][ T227] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.247008][ T227] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.247010][ T227] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.247015][ T227] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.247018][ T227] ____sys_sendmsg (net/socket.c:2713) [ 10.247021][ T227] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.247023][ T227] ? sock_write_iter (net/socket.c:1269) [ 10.247025][ T227] ? move_addr_to_kernel (net/socket.c:258) [ 10.247032][ T227] ___sys_sendmsg (net/socket.c:2767) [ 10.247035][ T227] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.247051][ T227] __sys_sendmsg (net/socket.c:2799) [ 10.247054][ T227] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.247061][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.247064][ T227] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.247067][ T227] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.247070][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.247072][ T227] RIP: 0033:0x7f1cd4f1e54e [ 10.247075][ T227] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 10.247077][ T227] RSP: 002b:00007fff36548060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.247079][ T227] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1cd4f1e54e [ 10.247081][ T227] RDX: 0000000000000000 RSI: 00007fff36548110 RDI: 0000000000000005 [ 10.247082][ T227] RBP: 00007fff36548070 R08: 0000000000000000 R09: 0000000000000000 [ 10.247083][ T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91970e [ 10.247083][ T227] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff365487e0 | [ 15.295397][ T341] softirqs last disabled at (22524): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 15.295400][ T341] Preemption disabled at: | [ 15.295400][ T341] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.295408][ T341] Tainted: [W]=WARN [ 15.295409][ T341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.295411][ T341] Call Trace: [ 15.295412][ T341] [ 15.295414][ T341] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.295420][ T341] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.295422][ T341] __might_resched.cold (kernel/sched/core.c:9234) [ 15.295426][ T341] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.295430][ T341] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.295435][ T341] __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)) [ 15.295437][ T341] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.295443][ T341] ? 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) [ 15.295446][ T341] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.295450][ T341] put_chars (drivers/char/virtio_console.c:1176) [ 15.295452][ T341] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.295459][ T341] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.295466][ T341] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.295470][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.295474][ T341] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.295478][ T341] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.295480][ T341] ? 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)) [ 15.295484][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.295486][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.295491][ T341] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.295495][ T341] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.295497][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.295502][ T341] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.295505][ T341] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.295507][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.295509][ T341] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 15.295513][ T341] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.295515][ T341] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.295517][ T341] vprintk_emit (kernel/printk/printk.c:2479) [ 15.295521][ T341] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.295523][ T341] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 15.295529][ T341] _printk (kernel/printk/printk.c:2504) [ 15.295532][ T341] ? snapshot_read.cold (user.c:?) [ 15.295534][ T341] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.295537][ T341] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.295539][ T341] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.295542][ T341] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.295546][ T341] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.295549][ T341] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 15.295551][ T341] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 15.295554][ T341] ? netdev_notice (net/core/dev.c:13194) [ 15.295557][ T341] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.295560][ T341] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.295562][ T341] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.295566][ T341] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 15.295568][ T341] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 15.295570][ T341] ? register_netdev (net/core/dev.c:11618) [ 15.295572][ T341] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 15.295577][ T341] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 15.295580][ T341] ? __kernel_text_address (kernel/extable.c:79) [ 15.295582][ T341] ? write_profile (profile.c:?) [ 15.295587][ T341] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.295592][ T341] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 15.295596][ T341] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.295598][ T341] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.295599][ T341] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.295601][ T341] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.295605][ T341] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.295607][ T341] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.295608][ T341] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.295611][ T341] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.295613][ T341] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.295614][ T341] ? kasan_save_track (mm/kasan/common.c:78) [ 15.295615][ T341] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 15.295618][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.295620][ T341] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 15.295622][ T341] ? ___sys_sendmsg (net/socket.c:2758) [ 15.295626][ T341] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.295628][ T341] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.295631][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.295633][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.295634][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.295635][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.295637][ T341] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.295639][ T341] ? __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) [ 15.295641][ T341] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.295643][ T341] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.295646][ T341] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.295647][ T341] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.295652][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.295655][ T341] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.295660][ T341] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.295665][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.295667][ T341] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.295669][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.295674][ T341] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.295676][ T341] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.295678][ T341] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.295680][ T341] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.295684][ T341] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.295686][ T341] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.295689][ T341] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.295692][ T341] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.295694][ T341] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.295699][ T341] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.295702][ T341] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.295704][ T341] ? lockdep_hardirqs_off (kernel/locking/lockdep.c:4527) [ 15.295708][ T341] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.295714][ T341] ? 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)) [ 15.295716][ T341] ? 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)) [ 15.295721][ T341] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.295725][ T341] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.295728][ T341] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.295732][ T341] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.295736][ T341] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.295740][ T341] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.295742][ T341] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 15.295747][ T341] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 15.295750][ T341] ____sys_sendmsg (net/socket.c:2713) [ 15.295752][ T341] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.295755][ T341] ? sock_write_iter (net/socket.c:1269) [ 15.295756][ T341] ? move_addr_to_kernel (net/socket.c:258) [ 15.295764][ T341] ___sys_sendmsg (net/socket.c:2767) [ 15.295767][ T341] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.295784][ T341] __sys_sendmsg (net/socket.c:2799) [ 15.295787][ T341] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.295793][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.295796][ T341] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.295799][ T341] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.295802][ T341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.295804][ T341] RIP: 0033:0x7f11f7d6d54e [ 15.295808][ T341] 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 [ 15.295809][ T341] RSP: 002b:00007fff150510b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.295812][ T341] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f11f7d6d54e [ 15.295814][ T341] RDX: 0000000000000000 RSI: 00007fff15051160 RDI: 0000000000000005 [ 15.295815][ T341] RBP: 00007fff150510c0 R08: 0000000000000000 R09: 0000000000000000 [ 15.295815][ T341] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919713 [ 15.295816][ T341] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff15051830 | [ 20.290564][ T454] softirqs last disabled at (28902): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 20.290567][ T454] Preemption disabled at: | [ 20.290568][ T454] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.290576][ T454] Tainted: [W]=WARN [ 20.290577][ T454] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.290578][ T454] Call Trace: [ 20.290580][ T454] [ 20.290582][ T454] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.290588][ T454] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.290589][ T454] __might_resched.cold (kernel/sched/core.c:9234) [ 20.290594][ T454] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.290598][ T454] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.290603][ T454] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 20.290605][ T454] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.290611][ T454] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 20.290614][ T454] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.290617][ T454] put_chars (drivers/char/virtio_console.c:1176) [ 20.290620][ T454] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.290626][ T454] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.290634][ T454] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.290637][ T454] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.290642][ T454] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.290646][ T454] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.290648][ T454] ? 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)) [ 20.290651][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.290654][ T454] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.290658][ T454] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.290662][ T454] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.290664][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.290669][ T454] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.290672][ T454] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.290674][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.290676][ T454] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 20.290680][ T454] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.290681][ T454] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.290684][ T454] vprintk_emit (kernel/printk/printk.c:2479) [ 20.290688][ T454] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.290690][ T454] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 20.290696][ T454] _printk (kernel/printk/printk.c:2504) [ 20.290699][ T454] ? snapshot_read.cold (user.c:?) [ 20.290701][ T454] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.290703][ T454] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.290706][ T454] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.290709][ T454] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.290712][ T454] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.290715][ T454] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.290717][ T454] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.290720][ T454] ? netdev_notice (net/core/dev.c:13194) [ 20.290723][ T454] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.290726][ T454] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.290729][ T454] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 20.290732][ T454] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.290734][ T454] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 20.290736][ T454] ? register_netdev (net/core/dev.c:11618) [ 20.290738][ T454] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 20.290743][ T454] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 20.290745][ T454] ? __kernel_text_address (kernel/extable.c:79) [ 20.290748][ T454] ? write_profile (profile.c:?) [ 20.290752][ T454] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 20.290758][ T454] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.290761][ T454] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 20.290763][ T454] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 20.290765][ T454] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 20.290766][ T454] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 20.290770][ T454] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.290772][ T454] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.290774][ T454] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.290776][ T454] ? kasan_save_stack (mm/kasan/common.c:58) [ 20.290778][ T454] ? kasan_save_stack (mm/kasan/common.c:57) [ 20.290779][ T454] ? kasan_save_track (mm/kasan/common.c:78) [ 20.290780][ T454] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 20.290783][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.290785][ T454] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 20.290788][ T454] ? ___sys_sendmsg (net/socket.c:2758) [ 20.290791][ T454] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.290793][ T454] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 20.290796][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.290798][ T454] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.290799][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.290800][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.290802][ T454] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 20.290804][ T454] ? __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) [ 20.290806][ T454] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 20.290808][ T454] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 20.290811][ T454] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 20.290812][ T454] ? nla_get_range_signed (lib/nlattr.c:270) [ 20.290817][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.290819][ T454] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 20.290825][ T454] rtnl_newlink (net/core/rtnetlink.c:4215) [ 20.290830][ T454] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 20.290832][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.290836][ T454] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.290838][ T454] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.290840][ T454] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 20.290842][ T454] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.290846][ T454] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 20.290848][ T454] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 20.290851][ T454] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.290852][ T454] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.290860][ T454] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.290862][ T454] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.290866][ T454] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 20.290874][ T454] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.290877][ T454] ? netlink_ack (./include/linux/skbuff.h:2718) [ 20.290884][ T454] ? 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)) [ 20.290886][ T454] ? 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)) [ 20.290890][ T454] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 20.290894][ T454] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.290897][ T454] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.290901][ T454] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 20.290905][ T454] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.290909][ T454] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.290910][ T454] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 20.290916][ T454] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 20.290918][ T454] ____sys_sendmsg (net/socket.c:2713) [ 20.290921][ T454] ? copy_msghdr_from_user (net/socket.c:2650) [ 20.290923][ T454] ? sock_write_iter (net/socket.c:1269) [ 20.290925][ T454] ? move_addr_to_kernel (net/socket.c:258) [ 20.290932][ T454] ___sys_sendmsg (net/socket.c:2767) [ 20.290935][ T454] ? copy_msghdr_from_user (net/socket.c:2619) [ 20.290951][ T454] __sys_sendmsg (net/socket.c:2799) [ 20.290954][ T454] ? __sys_sendmsg_sock (net/socket.c:2780) [ 20.290960][ T454] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.290963][ T454] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.290966][ T454] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.290969][ T454] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.290971][ T454] RIP: 0033:0x7ffa2c8f754e [ 20.290975][ T454] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 20.290977][ T454] RSP: 002b:00007ffe99b477c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.290979][ T454] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ffa2c8f754e [ 20.290981][ T454] RDX: 0000000000000000 RSI: 00007ffe99b47870 RDI: 0000000000000005 [ 20.290982][ T454] RBP: 00007ffe99b477d0 R08: 0000000000000000 R09: 0000000000000000 [ 20.290982][ T454] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919718 [ 20.290983][ T454] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe99b47f40 | [ 25.199516][ T569] softirqs last disabled at (24914): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 25.199519][ T569] Preemption disabled at: | [ 25.199519][ T569] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.199528][ T569] Tainted: [W]=WARN [ 25.199529][ T569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.199530][ T569] Call Trace: [ 25.199532][ T569] [ 25.199534][ T569] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.199540][ T569] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.199541][ T569] __might_resched.cold (kernel/sched/core.c:9234) [ 25.199546][ T569] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.199550][ T569] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.199555][ T569] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 25.199557][ T569] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.199564][ T569] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 25.199566][ T569] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.199570][ T569] put_chars (drivers/char/virtio_console.c:1176) [ 25.199573][ T569] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.199580][ T569] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.199588][ T569] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.199591][ T569] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.199596][ T569] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.199600][ T569] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.199602][ T569] ? 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)) [ 25.199605][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.199608][ T569] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.199612][ T569] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.199617][ T569] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.199618][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.199624][ T569] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.199627][ T569] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.199629][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.199631][ T569] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 25.199635][ T569] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.199636][ T569] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.199639][ T569] vprintk_emit (kernel/printk/printk.c:2479) [ 25.199643][ T569] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.199645][ T569] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 25.199651][ T569] _printk (kernel/printk/printk.c:2504) [ 25.199654][ T569] ? snapshot_read.cold (user.c:?) [ 25.199656][ T569] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.199659][ T569] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.199662][ T569] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.199664][ T569] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 25.199668][ T569] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 25.199671][ T569] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 25.199673][ T569] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.199676][ T569] ? netdev_notice (net/core/dev.c:13194) [ 25.199679][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.199682][ T569] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.199685][ T569] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.199688][ T569] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 25.199690][ T569] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 25.199693][ T569] ? register_netdev (net/core/dev.c:11618) [ 25.199694][ T569] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 25.199700][ T569] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 25.199702][ T569] ? __kernel_text_address (kernel/extable.c:79) [ 25.199705][ T569] ? write_profile (profile.c:?) [ 25.199709][ T569] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 25.199715][ T569] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 25.199718][ T569] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 25.199720][ T569] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 25.199722][ T569] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 25.199724][ T569] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 25.199727][ T569] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.199729][ T569] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.199731][ T569] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.199734][ T569] ? kasan_save_stack (mm/kasan/common.c:58) [ 25.199736][ T569] ? kasan_save_stack (mm/kasan/common.c:57) [ 25.199737][ T569] ? kasan_save_track (mm/kasan/common.c:78) [ 25.199738][ T569] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 25.199741][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.199742][ T569] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 25.199745][ T569] ? ___sys_sendmsg (net/socket.c:2758) [ 25.199749][ T569] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.199751][ T569] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.199754][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.199756][ T569] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.199757][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.199758][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.199760][ T569] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 25.199762][ T569] ? __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) [ 25.199764][ T569] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 25.199766][ T569] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.199769][ T569] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 25.199771][ T569] ? nla_get_range_signed (lib/nlattr.c:270) [ 25.199776][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.199778][ T569] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 25.199783][ T569] rtnl_newlink (net/core/rtnetlink.c:4215) [ 25.199789][ T569] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.199791][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.199795][ T569] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.199797][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.199799][ T569] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.199801][ T569] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.199805][ T569] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.199807][ T569] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.199810][ T569] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.199812][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.199817][ T569] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.199819][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.199822][ T569] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.199826][ T569] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.199829][ T569] ? netlink_ack (./include/linux/skbuff.h:2718) [ 25.199835][ T569] ? 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)) [ 25.199837][ T569] ? 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)) [ 25.199842][ T569] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.199846][ T569] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.199849][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.199853][ T569] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.199860][ T569] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.199864][ T569] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.199866][ T569] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 25.199872][ T569] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 25.199875][ T569] ____sys_sendmsg (net/socket.c:2713) [ 25.199877][ T569] ? copy_msghdr_from_user (net/socket.c:2650) [ 25.199879][ T569] ? sock_write_iter (net/socket.c:1269) [ 25.199881][ T569] ? move_addr_to_kernel (net/socket.c:258) [ 25.199893][ T569] ___sys_sendmsg (net/socket.c:2767) [ 25.199896][ T569] ? copy_msghdr_from_user (net/socket.c:2619) [ 25.199912][ T569] __sys_sendmsg (net/socket.c:2799) [ 25.199916][ T569] ? __sys_sendmsg_sock (net/socket.c:2780) [ 25.199922][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.199925][ T569] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.199928][ T569] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.199931][ T569] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.199934][ T569] RIP: 0033:0x7fcd7a3fd54e [ 25.199937][ T569] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 25.199939][ T569] RSP: 002b:00007ffc85767b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.199942][ T569] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcd7a3fd54e [ 25.199943][ T569] RDX: 0000000000000000 RSI: 00007ffc85767be0 RDI: 0000000000000005 [ 25.199944][ T569] RBP: 00007ffc85767b40 R08: 0000000000000000 R09: 0000000000000000 [ 25.199945][ T569] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91971d [ 25.199946][ T569] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc857682b0 | [ 30.192507][ T681] softirqs last disabled at (24382): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 30.192510][ T681] Preemption disabled at: | [ 30.192510][ T681] vprintk_emit (kernel/printk/printk.c:2471) | [ 30.192518][ T681] Tainted: [W]=WARN [ 30.192519][ T681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 30.192521][ T681] Call Trace: [ 30.192522][ T681] [ 30.192524][ T681] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 30.192530][ T681] ? vprintk_emit (kernel/printk/printk.c:2471) [ 30.192531][ T681] __might_resched.cold (kernel/sched/core.c:9234) [ 30.192536][ T681] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 30.192541][ T681] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 30.192545][ T681] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 30.192547][ T681] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.192553][ T681] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 30.192556][ T681] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 30.192560][ T681] put_chars (drivers/char/virtio_console.c:1176) [ 30.192563][ T681] ? __send_to_port (drivers/char/virtio_console.c:654) [ 30.192569][ T681] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 30.192577][ T681] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 30.192580][ T681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.192585][ T681] console_emit_next_record (kernel/printk/printk.c:3183) [ 30.192589][ T681] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 30.192590][ T681] ? 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)) [ 30.192594][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.192597][ T681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.192601][ T681] console_flush_one_record (kernel/printk/printk.c:3268) [ 30.192605][ T681] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 30.192607][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.192612][ T681] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 30.192615][ T681] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 30.192617][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.192619][ T681] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 30.192622][ T681] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 30.192624][ T681] ? vprintk_emit (kernel/printk/printk.c:2478) [ 30.192627][ T681] vprintk_emit (kernel/printk/printk.c:2479) [ 30.192630][ T681] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 30.192633][ T681] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 30.192638][ T681] _printk (kernel/printk/printk.c:2504) [ 30.192641][ T681] ? snapshot_read.cold (user.c:?) [ 30.192643][ T681] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.192646][ T681] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.192649][ T681] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.192651][ T681] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 30.192654][ T681] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 30.192657][ T681] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 30.192660][ T681] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 30.192662][ T681] ? netdev_notice (net/core/dev.c:13194) [ 30.192665][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.192668][ T681] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.192671][ T681] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 30.192674][ T681] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 30.192677][ T681] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 30.192679][ T681] ? register_netdev (net/core/dev.c:11618) [ 30.192680][ T681] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 30.192686][ T681] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 30.192688][ T681] ? __kernel_text_address (kernel/extable.c:79) [ 30.192691][ T681] ? write_profile (profile.c:?) [ 30.192695][ T681] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 30.192701][ T681] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 30.192704][ T681] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 30.192706][ T681] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 30.192707][ T681] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 30.192709][ T681] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 30.192712][ T681] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 30.192714][ T681] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 30.192716][ T681] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 30.192719][ T681] ? kasan_save_stack (mm/kasan/common.c:58) [ 30.192720][ T681] ? kasan_save_stack (mm/kasan/common.c:57) [ 30.192722][ T681] ? kasan_save_track (mm/kasan/common.c:78) [ 30.192723][ T681] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 30.192725][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.192727][ T681] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 30.192730][ T681] ? ___sys_sendmsg (net/socket.c:2758) [ 30.192734][ T681] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.192736][ T681] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 30.192739][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.192740][ T681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 30.192742][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.192743][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.192745][ T681] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 30.192747][ T681] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 30.192748][ T681] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 30.192750][ T681] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 30.192754][ T681] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 30.192755][ T681] ? nla_get_range_signed (lib/nlattr.c:270) [ 30.192760][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.192762][ T681] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 30.192767][ T681] rtnl_newlink (net/core/rtnetlink.c:4215) [ 30.192772][ T681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 30.192774][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.192779][ T681] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.192781][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.192783][ T681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 30.192785][ T681] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.192788][ T681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 30.192790][ T681] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 30.192793][ T681] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.192795][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 30.192799][ T681] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 30.192801][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.192805][ T681] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 30.192808][ T681] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 30.192811][ T681] ? netlink_ack (./include/linux/skbuff.h:2718) [ 30.192817][ T681] ? 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)) [ 30.192819][ T681] ? 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)) [ 30.192824][ T681] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 30.192828][ T681] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 30.192830][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 30.192835][ T681] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 30.192839][ T681] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 30.192842][ T681] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 30.192844][ T681] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 30.192850][ T681] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 30.192852][ T681] ____sys_sendmsg (net/socket.c:2713) [ 30.192858][ T681] ? copy_msghdr_from_user (net/socket.c:2650) [ 30.192860][ T681] ? sock_write_iter (net/socket.c:1269) [ 30.192862][ T681] ? move_addr_to_kernel (net/socket.c:258) [ 30.192869][ T681] ___sys_sendmsg (net/socket.c:2767) [ 30.192872][ T681] ? copy_msghdr_from_user (net/socket.c:2619) [ 30.192888][ T681] __sys_sendmsg (net/socket.c:2799) [ 30.192891][ T681] ? __sys_sendmsg_sock (net/socket.c:2780) [ 30.192897][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 30.192900][ T681] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 30.192903][ T681] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 30.192910][ T681] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 30.192912][ T681] RIP: 0033:0x7f7b96b4554e [ 30.192916][ T681] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 30.192917][ T681] RSP: 002b:00007ffed20a8060 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 30.192920][ T681] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7b96b4554e [ 30.192921][ T681] RDX: 0000000000000000 RSI: 00007ffed20a8110 RDI: 0000000000000005 [ 30.192922][ T681] RBP: 00007ffed20a8070 R08: 0000000000000000 R09: 0000000000000000 [ 30.192923][ T681] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919722 [ 30.192924][ T681] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed20a87e0 | [ 36.155376][ T796] softirqs last disabled at (30170): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 36.155379][ T796] Preemption disabled at: | [ 36.155380][ T796] vprintk_emit (kernel/printk/printk.c:2471) | [ 36.155388][ T796] Tainted: [W]=WARN [ 36.155388][ T796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 36.155390][ T796] Call Trace: [ 36.155391][ T796] [ 36.155393][ T796] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 36.155399][ T796] ? vprintk_emit (kernel/printk/printk.c:2471) [ 36.155400][ T796] __might_resched.cold (kernel/sched/core.c:9234) [ 36.155405][ T796] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 36.155409][ T796] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 36.155413][ T796] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 36.155415][ T796] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.155422][ T796] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 36.155424][ T796] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 36.155428][ T796] put_chars (drivers/char/virtio_console.c:1176) [ 36.155430][ T796] ? __send_to_port (drivers/char/virtio_console.c:654) [ 36.155437][ T796] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 36.155444][ T796] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 36.155447][ T796] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.155451][ T796] console_emit_next_record (kernel/printk/printk.c:3183) [ 36.155455][ T796] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 36.155457][ T796] ? 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)) [ 36.155460][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.155463][ T796] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.155467][ T796] console_flush_one_record (kernel/printk/printk.c:3268) [ 36.155471][ T796] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 36.155473][ T796] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.155478][ T796] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 36.155481][ T796] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 36.155483][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.155484][ T796] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 36.155488][ T796] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 36.155490][ T796] ? vprintk_emit (kernel/printk/printk.c:2478) [ 36.155492][ T796] vprintk_emit (kernel/printk/printk.c:2479) [ 36.155495][ T796] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 36.155498][ T796] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 36.155503][ T796] _printk (kernel/printk/printk.c:2504) [ 36.155506][ T796] ? snapshot_read.cold (user.c:?) [ 36.155508][ T796] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.155511][ T796] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.155514][ T796] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.155516][ T796] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 36.155519][ T796] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 36.155522][ T796] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 36.155524][ T796] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 36.155527][ T796] ? netdev_notice (net/core/dev.c:13194) [ 36.155530][ T796] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.155533][ T796] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.155535][ T796] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 36.155539][ T796] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 36.155541][ T796] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 36.155543][ T796] ? register_netdev (net/core/dev.c:11618) [ 36.155544][ T796] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 36.155550][ T796] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 36.155552][ T796] ? __kernel_text_address (kernel/extable.c:79) [ 36.155554][ T796] ? write_profile (profile.c:?) [ 36.155558][ T796] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 36.155564][ T796] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 36.155567][ T796] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 36.155569][ T796] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 36.155571][ T796] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 36.155573][ T796] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 36.155576][ T796] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 36.155578][ T796] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 36.155580][ T796] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 36.155582][ T796] ? kasan_save_stack (mm/kasan/common.c:58) [ 36.155584][ T796] ? kasan_save_stack (mm/kasan/common.c:57) [ 36.155585][ T796] ? kasan_save_track (mm/kasan/common.c:78) [ 36.155586][ T796] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 36.155588][ T796] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.155590][ T796] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 36.155593][ T796] ? ___sys_sendmsg (net/socket.c:2758) [ 36.155597][ T796] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.155599][ T796] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.155601][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.155603][ T796] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 36.155605][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.155606][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.155607][ T796] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 36.155610][ T796] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 36.155611][ T796] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 36.155613][ T796] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 36.155616][ T796] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 36.155617][ T796] ? nla_get_range_signed (lib/nlattr.c:270) [ 36.155622][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.155624][ T796] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 36.155629][ T796] rtnl_newlink (net/core/rtnetlink.c:4215) [ 36.155634][ T796] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.155636][ T796] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.155641][ T796] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.155642][ T796] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.155644][ T796] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.155646][ T796] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.155650][ T796] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 36.155652][ T796] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 36.155655][ T796] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.155656][ T796] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 36.155660][ T796] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 36.155662][ T796] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.155665][ T796] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 36.155669][ T796] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 36.155671][ T796] ? netlink_ack (./include/linux/skbuff.h:2718) [ 36.155678][ T796] ? 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)) [ 36.155680][ T796] ? 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)) [ 36.155684][ T796] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 36.155688][ T796] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 36.155690][ T796] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 36.155694][ T796] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 36.155698][ T796] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 36.155702][ T796] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 36.155703][ T796] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 36.155708][ T796] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 36.155711][ T796] ____sys_sendmsg (net/socket.c:2713) [ 36.155713][ T796] ? copy_msghdr_from_user (net/socket.c:2650) [ 36.155716][ T796] ? sock_write_iter (net/socket.c:1269) [ 36.155717][ T796] ? move_addr_to_kernel (net/socket.c:258) [ 36.155724][ T796] ___sys_sendmsg (net/socket.c:2767) [ 36.155727][ T796] ? copy_msghdr_from_user (net/socket.c:2619) [ 36.155742][ T796] __sys_sendmsg (net/socket.c:2799) [ 36.155745][ T796] ? __sys_sendmsg_sock (net/socket.c:2780) [ 36.155751][ T796] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 36.155754][ T796] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 36.155757][ T796] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 36.155760][ T796] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 36.155762][ T796] RIP: 0033:0x7f23e50bf54e [ 36.155766][ T796] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 36.155768][ T796] RSP: 002b:00007ffed3e9c3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 36.155770][ T796] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f23e50bf54e [ 36.155772][ T796] RDX: 0000000000000000 RSI: 00007ffed3e9c490 RDI: 0000000000000005 [ 36.155773][ T796] RBP: 00007ffed3e9c3f0 R08: 0000000000000000 R09: 0000000000000000 [ 36.155773][ T796] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919728 [ 36.155774][ T796] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffed3e9cb60 | [ 42.251501][ T920] softirqs last disabled at (23540): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 42.251504][ T920] Preemption disabled at: | [ 42.251504][ T920] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.251512][ T920] Tainted: [W]=WARN [ 42.251513][ T920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.251515][ T920] Call Trace: [ 42.251516][ T920] [ 42.251518][ T920] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.251524][ T920] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.251526][ T920] __might_resched.cold (kernel/sched/core.c:9234) [ 42.251530][ T920] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.251534][ T920] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 42.251539][ T920] __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)) [ 42.251540][ T920] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.251547][ T920] ? 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) [ 42.251549][ T920] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.251553][ T920] put_chars (drivers/char/virtio_console.c:1176) [ 42.251555][ T920] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.251562][ T920] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.251570][ T920] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.251573][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.251577][ T920] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.251581][ T920] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.251583][ T920] ? 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)) [ 42.251586][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.251589][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.251593][ T920] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.251597][ T920] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.251599][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.251605][ T920] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.251607][ T920] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.251609][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.251611][ T920] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 42.251615][ T920] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.251616][ T920] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.251619][ T920] vprintk_emit (kernel/printk/printk.c:2479) [ 42.251622][ T920] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.251625][ T920] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 42.251630][ T920] _printk (kernel/printk/printk.c:2504) [ 42.251634][ T920] ? snapshot_read.cold (user.c:?) [ 42.251635][ T920] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.251638][ T920] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.251641][ T920] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.251643][ T920] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 42.251646][ T920] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 42.251649][ T920] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 42.251651][ T920] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 42.251654][ T920] ? netdev_notice (net/core/dev.c:13194) [ 42.251657][ T920] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.251660][ T920] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.251663][ T920] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 42.251666][ T920] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 42.251668][ T920] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 42.251670][ T920] ? register_netdev (net/core/dev.c:11618) [ 42.251672][ T920] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 42.251677][ T920] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 42.251679][ T920] ? __kernel_text_address (kernel/extable.c:79) [ 42.251682][ T920] ? write_profile (profile.c:?) [ 42.251686][ T920] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 42.251692][ T920] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 42.251695][ T920] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 42.251697][ T920] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 42.251698][ T920] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 42.251700][ T920] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 42.251703][ T920] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.251705][ T920] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.251707][ T920] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.251710][ T920] ? kasan_save_stack (mm/kasan/common.c:58) [ 42.251711][ T920] ? kasan_save_stack (mm/kasan/common.c:57) [ 42.251713][ T920] ? kasan_save_track (mm/kasan/common.c:78) [ 42.251714][ T920] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 42.251716][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.251718][ T920] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 42.251721][ T920] ? ___sys_sendmsg (net/socket.c:2758) [ 42.251725][ T920] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.251727][ T920] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.251729][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.251731][ T920] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.251733][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.251734][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.251735][ T920] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 42.251738][ T920] ? __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) [ 42.251739][ T920] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.251741][ T920] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.251744][ T920] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 42.251746][ T920] ? nla_get_range_signed (lib/nlattr.c:270) [ 42.251750][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.251753][ T920] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 42.251758][ T920] rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.251763][ T920] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.251765][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.251770][ T920] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.251771][ T920] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.251773][ T920] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.251775][ T920] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.251779][ T920] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.251781][ T920] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.251784][ T920] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.251785][ T920] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.251790][ T920] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.251792][ T920] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.251795][ T920] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.251798][ T920] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.251801][ T920] ? netlink_ack (./include/linux/skbuff.h:2718) [ 42.251808][ T920] ? 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)) [ 42.251810][ T920] ? 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)) [ 42.251814][ T920] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.251818][ T920] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 42.251820][ T920] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.251825][ T920] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.251829][ T920] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 42.251832][ T920] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.251834][ T920] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 42.251839][ T920] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 42.251842][ T920] ____sys_sendmsg (net/socket.c:2713) [ 42.251844][ T920] ? copy_msghdr_from_user (net/socket.c:2650) [ 42.251847][ T920] ? sock_write_iter (net/socket.c:1269) [ 42.251848][ T920] ? move_addr_to_kernel (net/socket.c:258) [ 42.251858][ T920] ___sys_sendmsg (net/socket.c:2767) [ 42.251861][ T920] ? copy_msghdr_from_user (net/socket.c:2619) [ 42.251876][ T920] __sys_sendmsg (net/socket.c:2799) [ 42.251879][ T920] ? __sys_sendmsg_sock (net/socket.c:2780) [ 42.251885][ T920] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.251888][ T920] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.251891][ T920] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 42.251894][ T920] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.251896][ T920] RIP: 0033:0x7fd3edff354e [ 42.251900][ T920] 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 [ 42.251901][ T920] RSP: 002b:00007ffc01b5aa50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.251904][ T920] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd3edff354e [ 42.251905][ T920] RDX: 0000000000000000 RSI: 00007ffc01b5ab00 RDI: 0000000000000005 [ 42.251906][ T920] RBP: 00007ffc01b5aa60 R08: 0000000000000000 R09: 0000000000000000 [ 42.251907][ T920] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91972e [ 42.251908][ T920] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc01b5b1d0 | [ 43.697354][ T37] softirqs last disabled at (140376): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 43.697356][ T37] Preemption disabled at: | [ 43.697357][ T37] 0x0 | [ 43.697367][ T37] Tainted: [W]=WARN [ 43.697368][ T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.697369][ T37] Workqueue: events_unbound linkwatch_event [ 43.697373][ T37] Call Trace: [ 43.697374][ T37] [ 43.697376][ T37] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.697383][ T37] __might_resched.cold (kernel/sched/core.c:9234) [ 43.697387][ T37] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.697391][ T37] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.697395][ T37] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 43.697397][ T37] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.697403][ T37] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 43.697406][ T37] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.697410][ T37] put_chars (drivers/char/virtio_console.c:1176) [ 43.697412][ T37] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.697415][ T37] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.697418][ T37] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.697421][ T37] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.697425][ T37] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.697429][ T37] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.697431][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.697433][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.697437][ T37] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.697439][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.697443][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.697447][ T37] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.697451][ T37] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.697453][ T37] ? 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)) [ 43.697456][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.697458][ T37] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.697463][ T37] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.697467][ T37] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.697469][ T37] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.697474][ T37] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.697477][ T37] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.697479][ T37] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.697481][ T37] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 43.697484][ T37] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.697486][ T37] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.697489][ T37] vprintk_emit (kernel/printk/printk.c:2479) [ 43.697492][ T37] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.697494][ T37] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.697497][ T37] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.697500][ T37] _printk (kernel/printk/printk.c:2504) [ 43.697504][ T37] ? snapshot_read.cold (user.c:?) [ 43.697509][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.697513][ T37] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 43.697517][ T37] br_init_port (net/bridge/br_stp_if.c:39) [ 43.697520][ T37] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 43.697522][ T37] br_port_carrier_check (net/bridge/br_if.c:90) [ 43.697525][ T37] br_device_event (net/bridge/br.c:101) [ 43.697529][ T37] ? packet_sendmsg_spkt (af_packet.c:?) [ 43.697531][ T37] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 43.697538][ T37] notifier_call_chain (kernel/notifier.c:85) [ 43.697543][ T37] netif_state_change (net/core/dev.c:1625) [ 43.697548][ T37] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.697553][ T37] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 43.697555][ T37] __linkwatch_run_queue (net/core/link_watch.c:240) [ 43.697558][ T37] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.697560][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.697565][ T37] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 43.697567][ T37] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 43.697570][ T37] process_one_work (kernel/workqueue.c:3387) [ 43.697577][ T37] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.697580][ T37] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.697587][ T37] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.697595][ T37] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.697597][ T37] kthread (kernel/kthread.c:436) [ 43.697599][ T37] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.697602][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.697605][ T37] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.697609][ T37] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.697612][ T37] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.697616][ T37] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.697618][ T37] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.236037][ T12] softirqs last disabled at (728624): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 46.236040][ T12] Preemption disabled at: | [ 46.236040][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.236048][ T12] Tainted: [W]=WARN [ 46.236049][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.236050][ T12] Workqueue: netns cleanup_net [ 46.236054][ T12] Call Trace: [ 46.236055][ T12] [ 46.236057][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.236063][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.236065][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 46.236069][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.236073][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.236077][ 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)) [ 46.236079][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.236086][ 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) [ 46.236089][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.236092][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 46.236095][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.236098][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 46.236103][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.236107][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.236112][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.236115][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.236120][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.236125][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.236127][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 46.236130][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.236131][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.236135][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.236140][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.236142][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.236147][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.236150][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.236152][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.236153][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 46.236157][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.236159][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.236161][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 46.236165][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.236166][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 46.236168][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 46.236170][ T12] ? kthread (kernel/kthread.c:436) [ 46.236172][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 46.236175][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 46.236180][ T12] _printk (kernel/printk/printk.c:2504) [ 46.236183][ T12] ? snapshot_read.cold (user.c:?) [ 46.236187][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 46.236191][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 46.236195][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.236198][ T12] ? netdev_notice (net/core/dev.c:13194) [ 46.236203][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.236204][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 46.236207][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 46.236209][ 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) [ 46.236211][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 46.236215][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 46.236219][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 46.236222][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 46.236224][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 46.236229][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 46.236232][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 46.236236][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 46.236240][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 46.236243][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 46.236245][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.236248][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 46.236253][ T12] cleanup_net (net/core/net_namespace.c:706) [ 46.236256][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 46.236259][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.236261][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.236265][ T12] process_one_work (kernel/workqueue.c:3387) [ 46.236271][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 46.236274][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.236282][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 46.236289][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.236291][ T12] kthread (kernel/kthread.c:436) [ 46.236293][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 46.236296][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 46.236299][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 46.236302][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 46.236305][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 46.236309][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 46.236311][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 48.154493][ T1067] softirqs last disabled at (19058): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 48.154495][ T1067] Preemption disabled at: | [ 48.154496][ T1067] vprintk_emit (kernel/printk/printk.c:2471) | [ 48.154505][ T1067] Tainted: [W]=WARN [ 48.154506][ T1067] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.154507][ T1067] Call Trace: [ 48.154509][ T1067] [ 48.154510][ T1067] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.154517][ T1067] ? vprintk_emit (kernel/printk/printk.c:2471) [ 48.154518][ T1067] __might_resched.cold (kernel/sched/core.c:9234) [ 48.154523][ T1067] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.154527][ T1067] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 48.154531][ T1067] __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)) [ 48.154532][ T1067] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.154539][ T1067] ? 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) [ 48.154542][ T1067] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.154545][ T1067] put_chars (drivers/char/virtio_console.c:1176) [ 48.154548][ T1067] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.154554][ T1067] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.154561][ T1067] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.154564][ T1067] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.154568][ T1067] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.154572][ T1067] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.154574][ T1067] ? 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)) [ 48.154577][ T1067] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.154580][ T1067] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.154584][ T1067] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.154588][ T1067] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.154590][ T1067] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.154595][ T1067] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.154597][ T1067] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.154599][ T1067] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.154601][ T1067] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 48.154604][ T1067] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.154606][ T1067] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.154609][ T1067] vprintk_emit (kernel/printk/printk.c:2479) [ 48.154612][ T1067] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.154614][ T1067] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 48.154619][ T1067] _printk (kernel/printk/printk.c:2504) [ 48.154623][ T1067] ? snapshot_read.cold (user.c:?) [ 48.154625][ T1067] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.154627][ T1067] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 48.154630][ T1067] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.154632][ T1067] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 48.154635][ T1067] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 48.154638][ T1067] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 48.154640][ T1067] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 48.154643][ T1067] ? netdev_notice (net/core/dev.c:13194) [ 48.154646][ T1067] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.154649][ T1067] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.154651][ T1067] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 48.154655][ T1067] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 48.154657][ T1067] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 48.154659][ T1067] ? register_netdev (net/core/dev.c:11618) [ 48.154660][ T1067] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 48.154665][ T1067] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 48.154668][ T1067] ? __kernel_text_address (kernel/extable.c:79) [ 48.154670][ T1067] ? write_profile (profile.c:?) [ 48.154674][ T1067] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 48.154680][ T1067] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 48.154683][ T1067] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 48.154685][ T1067] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 48.154686][ T1067] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 48.154688][ T1067] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 48.154692][ T1067] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 48.154693][ T1067] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 48.154695][ T1067] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 48.154697][ T1067] ? kasan_save_stack (mm/kasan/common.c:58) [ 48.154699][ T1067] ? kasan_save_stack (mm/kasan/common.c:57) [ 48.154700][ T1067] ? kasan_save_track (mm/kasan/common.c:78) [ 48.154701][ T1067] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 48.154704][ T1067] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.154706][ T1067] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 48.154708][ T1067] ? ___sys_sendmsg (net/socket.c:2758) [ 48.154712][ T1067] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.154714][ T1067] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 48.154716][ T1067] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.154718][ T1067] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.154720][ T1067] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.154721][ T1067] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.154722][ T1067] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 48.154725][ T1067] ? __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) [ 48.154726][ T1067] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 48.154728][ T1067] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 48.154731][ T1067] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 48.154732][ T1067] ? nla_get_range_signed (lib/nlattr.c:270) [ 48.154737][ T1067] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.154739][ T1067] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 48.154744][ T1067] rtnl_newlink (net/core/rtnetlink.c:4215) [ 48.154749][ T1067] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 48.154751][ T1067] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.154755][ T1067] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.154757][ T1067] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.154759][ T1067] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 48.154761][ T1067] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.154764][ T1067] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 48.154766][ T1067] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 48.154769][ T1067] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 48.154771][ T1067] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 48.154775][ T1067] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 48.154777][ T1067] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.154780][ T1067] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 48.154783][ T1067] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 48.154786][ T1067] ? netlink_ack (./include/linux/skbuff.h:2718) [ 48.154792][ T1067] ? 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)) [ 48.154794][ T1067] ? 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)) [ 48.154799][ T1067] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 48.154803][ T1067] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 48.154805][ T1067] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 48.154809][ T1067] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 48.154813][ T1067] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 48.154817][ T1067] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 48.154818][ T1067] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 48.154823][ T1067] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 48.154826][ T1067] ____sys_sendmsg (net/socket.c:2713) [ 48.154828][ T1067] ? copy_msghdr_from_user (net/socket.c:2650) [ 48.154831][ T1067] ? sock_write_iter (net/socket.c:1269) [ 48.154832][ T1067] ? move_addr_to_kernel (net/socket.c:258) [ 48.154839][ T1067] ___sys_sendmsg (net/socket.c:2767) [ 48.154842][ T1067] ? copy_msghdr_from_user (net/socket.c:2619) [ 48.154861][ T1067] __sys_sendmsg (net/socket.c:2799) [ 48.154864][ T1067] ? __sys_sendmsg_sock (net/socket.c:2780) [ 48.154870][ T1067] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.154873][ T1067] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 48.154876][ T1067] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 48.154879][ T1067] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.154881][ T1067] RIP: 0033:0x7fd90570b54e [ 48.154885][ T1067] 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 [ 48.154886][ T1067] RSP: 002b:00007fff67b05ae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 48.154889][ T1067] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd90570b54e [ 48.154890][ T1067] RDX: 0000000000000000 RSI: 00007fff67b05b90 RDI: 0000000000000005 [ 48.154891][ T1067] RBP: 00007fff67b05af0 R08: 0000000000000000 R09: 0000000000000000 [ 48.154892][ T1067] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919734 [ 48.154893][ T1067] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff67b06260 | [ 49.346434][ T226] softirqs last disabled at (247358): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 49.346437][ T226] Preemption disabled at: | [ 49.346437][ T226] 0x0 | [ 49.346448][ T226] Tainted: [W]=WARN [ 49.346449][ T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.346451][ T226] Workqueue: events_unbound linkwatch_event [ 49.346454][ T226] Call Trace: [ 49.346456][ T226] [ 49.346457][ T226] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.346464][ T226] __might_resched.cold (kernel/sched/core.c:9234) [ 49.346468][ T226] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.346472][ T226] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 49.346477][ T226] __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)) [ 49.346479][ T226] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.346485][ T226] ? 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) [ 49.346488][ T226] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.346492][ T226] put_chars (drivers/char/virtio_console.c:1176) [ 49.346495][ T226] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.346498][ T226] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.346501][ T226] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.346503][ T226] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.346507][ T226] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.346511][ T226] ? mark_usage (kernel/locking/lockdep.c:4690) [ 49.346513][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.346515][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.346519][ T226] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.346521][ T226] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.346525][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.346529][ T226] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.346533][ T226] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.346535][ T226] ? 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)) [ 49.346539][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.346540][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.346544][ T226] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.346549][ T226] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.346551][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.346556][ T226] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.346559][ T226] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.346561][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.346563][ T226] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 49.346566][ T226] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.346568][ T226] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.346571][ T226] vprintk_emit (kernel/printk/printk.c:2479) [ 49.346574][ T226] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.346576][ T226] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.346578][ T226] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.346582][ T226] _printk (kernel/printk/printk.c:2504) [ 49.346586][ T226] ? snapshot_read.cold (user.c:?) [ 49.346591][ T226] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.346595][ T226] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 49.346599][ T226] br_init_port (net/bridge/br_stp_if.c:39) [ 49.346601][ T226] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 49.346603][ T226] br_port_carrier_check (net/bridge/br_if.c:90) [ 49.346607][ T226] br_device_event (net/bridge/br.c:101) [ 49.346611][ T226] ? packet_sendmsg_spkt (af_packet.c:?) [ 49.346612][ T226] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 49.346619][ T226] notifier_call_chain (kernel/notifier.c:85) [ 49.346625][ T226] netif_state_change (net/core/dev.c:1625) [ 49.346630][ T226] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 49.346635][ T226] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 49.346637][ T226] __linkwatch_run_queue (net/core/link_watch.c:240) [ 49.346640][ T226] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 49.346642][ T226] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.346647][ T226] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 49.346649][ T226] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 49.346652][ T226] process_one_work (kernel/workqueue.c:3387) [ 49.346659][ T226] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 49.346662][ T226] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.346670][ T226] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.346674][ T226] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.346676][ T226] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 49.346679][ T226] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.346682][ T226] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.346684][ T226] kthread (kernel/kthread.c:436) [ 49.346686][ T226] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.346690][ T226] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.346693][ T226] ret_from_fork (arch/x86/kernel/process.c:158) [ 49.346697][ T226] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 49.346700][ T226] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 49.346704][ T226] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.346707][ T226] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 51.425580][ T12] softirqs last disabled at (902076): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 51.425582][ T12] Preemption disabled at: | [ 51.425583][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 51.425591][ T12] Tainted: [W]=WARN [ 51.425592][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 51.425594][ T12] Workqueue: netns cleanup_net [ 51.425597][ T12] Call Trace: [ 51.425598][ T12] [ 51.425601][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 51.425606][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 51.425608][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 51.425612][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 51.425616][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 51.425620][ 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)) [ 51.425622][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.425629][ 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) [ 51.425631][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.425635][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 51.425637][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 51.425639][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.425642][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 51.425645][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 51.425650][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 51.425653][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.425658][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 51.425662][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.425666][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 51.425670][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 51.425672][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 51.425675][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.425677][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.425681][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 51.425685][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 51.425687][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.425693][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 51.425695][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 51.425697][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.425699][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 51.425703][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 51.425705][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 51.425707][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 51.425711][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 51.425712][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 51.425714][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 51.425716][ T12] ? kthread (kernel/kthread.c:436) [ 51.425718][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 51.425721][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 51.425725][ T12] _printk (kernel/printk/printk.c:2504) [ 51.425729][ T12] ? snapshot_read.cold (user.c:?) [ 51.425733][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 51.425737][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 51.425741][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 51.425743][ T12] ? netdev_notice (net/core/dev.c:13194) [ 51.425748][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.425750][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 51.425752][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 51.425754][ 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) [ 51.425757][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 51.425761][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 51.425764][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 51.425768][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 51.425769][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 51.425774][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 51.425778][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 51.425781][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 51.425785][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 51.425789][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 51.425790][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 51.425793][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 51.425798][ T12] cleanup_net (net/core/net_namespace.c:706) [ 51.425801][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 51.425805][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.425807][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.425810][ T12] process_one_work (kernel/workqueue.c:3387) [ 51.425817][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 51.425820][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.425828][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 51.425835][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 51.425837][ T12] kthread (kernel/kthread.c:436) [ 51.425839][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 51.425842][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 51.425845][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 51.425848][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 51.425851][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 51.425858][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 51.425861][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 53.157304][ T1200] softirqs last disabled at (21080): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 53.157307][ T1200] Preemption disabled at: | [ 53.157307][ T1200] vprintk_emit (kernel/printk/printk.c:2471) | [ 53.157315][ T1200] Tainted: [W]=WARN [ 53.157316][ T1200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.157318][ T1200] Call Trace: [ 53.157319][ T1200] [ 53.157321][ T1200] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 53.157327][ T1200] ? vprintk_emit (kernel/printk/printk.c:2471) [ 53.157328][ T1200] __might_resched.cold (kernel/sched/core.c:9234) [ 53.157333][ T1200] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 53.157337][ T1200] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 53.157341][ T1200] __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)) [ 53.157343][ T1200] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.157349][ T1200] ? 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) [ 53.157352][ T1200] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.157355][ T1200] put_chars (drivers/char/virtio_console.c:1176) [ 53.157358][ T1200] ? __send_to_port (drivers/char/virtio_console.c:654) [ 53.157364][ T1200] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 53.157371][ T1200] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 53.157374][ T1200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.157379][ T1200] console_emit_next_record (kernel/printk/printk.c:3183) [ 53.157382][ T1200] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 53.157384][ T1200] ? 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)) [ 53.157388][ T1200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.157390][ T1200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.157394][ T1200] console_flush_one_record (kernel/printk/printk.c:3268) [ 53.157398][ T1200] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 53.157400][ T1200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.157405][ T1200] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 53.157408][ T1200] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 53.157410][ T1200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.157411][ T1200] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 53.157415][ T1200] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 53.157417][ T1200] ? vprintk_emit (kernel/printk/printk.c:2478) [ 53.157419][ T1200] vprintk_emit (kernel/printk/printk.c:2479) [ 53.157423][ T1200] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 53.157425][ T1200] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 53.157430][ T1200] _printk (kernel/printk/printk.c:2504) [ 53.157434][ T1200] ? snapshot_read.cold (user.c:?) [ 53.157435][ T1200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 53.157438][ T1200] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.157441][ T1200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 53.157443][ T1200] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 53.157446][ T1200] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 53.157449][ T1200] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 53.157451][ T1200] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 53.157454][ T1200] ? netdev_notice (net/core/dev.c:13194) [ 53.157457][ T1200] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.157459][ T1200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.157462][ T1200] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 53.157465][ T1200] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 53.157467][ T1200] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 53.157469][ T1200] ? register_netdev (net/core/dev.c:11618) [ 53.157471][ T1200] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 53.157476][ T1200] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 53.157478][ T1200] ? __kernel_text_address (kernel/extable.c:79) [ 53.157481][ T1200] ? write_profile (profile.c:?) [ 53.157485][ T1200] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 53.157491][ T1200] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 53.157494][ T1200] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 53.157496][ T1200] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 53.157498][ T1200] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 53.157499][ T1200] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 53.157503][ T1200] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 53.157505][ T1200] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.157506][ T1200] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 53.157509][ T1200] ? kasan_save_stack (mm/kasan/common.c:58) [ 53.157510][ T1200] ? kasan_save_stack (mm/kasan/common.c:57) [ 53.157512][ T1200] ? kasan_save_track (mm/kasan/common.c:78) [ 53.157513][ T1200] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 53.157515][ T1200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.157517][ T1200] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 53.157520][ T1200] ? ___sys_sendmsg (net/socket.c:2758) [ 53.157523][ T1200] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.157525][ T1200] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 53.157528][ T1200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.157529][ T1200] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.157531][ T1200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.157532][ T1200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.157534][ T1200] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 53.157536][ T1200] ? __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) [ 53.157537][ T1200] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 53.157539][ T1200] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 53.157543][ T1200] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 53.157544][ T1200] ? nla_get_range_signed (lib/nlattr.c:270) [ 53.157548][ T1200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.157551][ T1200] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 53.157555][ T1200] rtnl_newlink (net/core/rtnetlink.c:4215) [ 53.157561][ T1200] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 53.157562][ T1200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.157567][ T1200] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.157569][ T1200] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.157570][ T1200] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 53.157572][ T1200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.157576][ T1200] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 53.157578][ T1200] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 53.157581][ T1200] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 53.157582][ T1200] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.157586][ T1200] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.157588][ T1200] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.157591][ T1200] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 53.157595][ T1200] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 53.157597][ T1200] ? netlink_ack (./include/linux/skbuff.h:2718) [ 53.157604][ T1200] ? 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)) [ 53.157606][ T1200] ? 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)) [ 53.157610][ T1200] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 53.157614][ T1200] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 53.157616][ T1200] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.157620][ T1200] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 53.157624][ T1200] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 53.157628][ T1200] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.157629][ T1200] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 53.157634][ T1200] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 53.157637][ T1200] ____sys_sendmsg (net/socket.c:2713) [ 53.157639][ T1200] ? copy_msghdr_from_user (net/socket.c:2650) [ 53.157642][ T1200] ? sock_write_iter (net/socket.c:1269) [ 53.157643][ T1200] ? move_addr_to_kernel (net/socket.c:258) [ 53.157650][ T1200] ___sys_sendmsg (net/socket.c:2767) [ 53.157653][ T1200] ? copy_msghdr_from_user (net/socket.c:2619) [ 53.157668][ T1200] __sys_sendmsg (net/socket.c:2799) [ 53.157671][ T1200] ? __sys_sendmsg_sock (net/socket.c:2780) [ 53.157677][ T1200] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.157680][ T1200] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 53.157683][ T1200] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 53.157686][ T1200] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 53.157688][ T1200] RIP: 0033:0x7fe96812454e [ 53.157691][ T1200] 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 [ 53.157693][ T1200] RSP: 002b:00007ffda13d9050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 53.157696][ T1200] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe96812454e [ 53.157697][ T1200] RDX: 0000000000000000 RSI: 00007ffda13d9100 RDI: 0000000000000005 [ 53.157698][ T1200] RBP: 00007ffda13d9060 R08: 0000000000000000 R09: 0000000000000000 [ 53.157699][ T1200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919739 [ 53.157700][ T1200] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda13d97d0 | [ 58.108882][ T1320] softirqs last disabled at (18884): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 58.108884][ T1320] Preemption disabled at: | [ 58.108885][ T1320] vprintk_emit (kernel/printk/printk.c:2471) | [ 58.108892][ T1320] Tainted: [W]=WARN [ 58.108893][ T1320] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 58.108895][ T1320] Call Trace: [ 58.108896][ T1320] [ 58.108898][ T1320] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 58.108903][ T1320] ? vprintk_emit (kernel/printk/printk.c:2471) [ 58.108905][ T1320] __might_resched.cold (kernel/sched/core.c:9234) [ 58.108910][ T1320] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 58.108914][ T1320] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 58.108918][ T1320] __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)) [ 58.108920][ T1320] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.108926][ T1320] ? 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) [ 58.108929][ T1320] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.108932][ T1320] put_chars (drivers/char/virtio_console.c:1176) [ 58.108935][ T1320] ? __send_to_port (drivers/char/virtio_console.c:654) [ 58.108941][ T1320] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 58.108948][ T1320] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 58.108951][ T1320] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.108956][ T1320] console_emit_next_record (kernel/printk/printk.c:3183) [ 58.108960][ T1320] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 58.108962][ T1320] ? 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)) [ 58.108965][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.108967][ T1320] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.108971][ T1320] console_flush_one_record (kernel/printk/printk.c:3268) [ 58.108975][ T1320] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 58.108977][ T1320] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 58.108982][ T1320] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 58.108985][ T1320] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 58.108987][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.108989][ T1320] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 58.108992][ T1320] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 58.108994][ T1320] ? vprintk_emit (kernel/printk/printk.c:2478) [ 58.108997][ T1320] vprintk_emit (kernel/printk/printk.c:2479) [ 58.109000][ T1320] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 58.109002][ T1320] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 58.109007][ T1320] _printk (kernel/printk/printk.c:2504) [ 58.109011][ T1320] ? snapshot_read.cold (user.c:?) [ 58.109012][ T1320] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 58.109019][ T1320] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 58.109021][ T1320] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 58.109023][ T1320] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 58.109027][ T1320] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 58.109030][ T1320] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 58.109032][ T1320] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 58.109035][ T1320] ? netdev_notice (net/core/dev.c:13194) [ 58.109038][ T1320] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 58.109041][ T1320] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 58.109043][ T1320] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 58.109047][ T1320] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 58.109049][ T1320] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 58.109051][ T1320] ? register_netdev (net/core/dev.c:11618) [ 58.109052][ T1320] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 58.109057][ T1320] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 58.109060][ T1320] ? __kernel_text_address (kernel/extable.c:79) [ 58.109062][ T1320] ? write_profile (profile.c:?) [ 58.109066][ T1320] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 58.109072][ T1320] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 58.109075][ T1320] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 58.109077][ T1320] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 58.109078][ T1320] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 58.109080][ T1320] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 58.109084][ T1320] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 58.109085][ T1320] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 58.109087][ T1320] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 58.109090][ T1320] ? kasan_save_stack (mm/kasan/common.c:58) [ 58.109091][ T1320] ? kasan_save_stack (mm/kasan/common.c:57) [ 58.109093][ T1320] ? kasan_save_track (mm/kasan/common.c:78) [ 58.109094][ T1320] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 58.109096][ T1320] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 58.109098][ T1320] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 58.109101][ T1320] ? ___sys_sendmsg (net/socket.c:2758) [ 58.109104][ T1320] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 58.109106][ T1320] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 58.109109][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.109111][ T1320] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.109112][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.109113][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.109115][ T1320] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 58.109117][ T1320] ? __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) [ 58.109118][ T1320] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 58.109120][ T1320] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 58.109123][ T1320] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 58.109125][ T1320] ? nla_get_range_signed (lib/nlattr.c:270) [ 58.109129][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.109131][ T1320] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 58.109137][ T1320] rtnl_newlink (net/core/rtnetlink.c:4215) [ 58.109142][ T1320] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 58.109144][ T1320] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 58.109148][ T1320] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 58.109150][ T1320] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 58.109152][ T1320] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 58.109153][ T1320] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 58.109157][ T1320] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 58.109159][ T1320] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 58.109162][ T1320] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 58.109163][ T1320] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 58.109168][ T1320] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 58.109170][ T1320] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 58.109173][ T1320] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 58.109176][ T1320] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 58.109179][ T1320] ? netlink_ack (./include/linux/skbuff.h:2718) [ 58.109185][ T1320] ? 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)) [ 58.109187][ T1320] ? 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)) [ 58.109191][ T1320] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 58.109195][ T1320] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 58.109198][ T1320] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 58.109202][ T1320] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 58.109206][ T1320] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 58.109209][ T1320] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 58.109211][ T1320] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 58.109216][ T1320] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 58.109219][ T1320] ____sys_sendmsg (net/socket.c:2713) [ 58.109221][ T1320] ? copy_msghdr_from_user (net/socket.c:2650) [ 58.109223][ T1320] ? sock_write_iter (net/socket.c:1269) [ 58.109225][ T1320] ? move_addr_to_kernel (net/socket.c:258) [ 58.109232][ T1320] ___sys_sendmsg (net/socket.c:2767) [ 58.109235][ T1320] ? copy_msghdr_from_user (net/socket.c:2619) [ 58.109250][ T1320] __sys_sendmsg (net/socket.c:2799) [ 58.109253][ T1320] ? __sys_sendmsg_sock (net/socket.c:2780) [ 58.109259][ T1320] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.109262][ T1320] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 58.109265][ T1320] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 58.109268][ T1320] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 58.109270][ T1320] RIP: 0033:0x7f03bfc9e54e [ 58.109274][ T1320] 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 [ 58.109275][ T1320] RSP: 002b:00007ffe9f364230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 58.109278][ T1320] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f03bfc9e54e [ 58.109279][ T1320] RDX: 0000000000000000 RSI: 00007ffe9f3642e0 RDI: 0000000000000005 [ 58.109280][ T1320] RBP: 00007ffe9f364240 R08: 0000000000000000 R09: 0000000000000000 [ 58.109281][ T1320] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91973e [ 58.109282][ T1320] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe9f3649b0 | [ 62.343478][ T1439] softirqs last disabled at (22684): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 62.343480][ T1439] Preemption disabled at: | [ 62.343481][ T1439] vprintk_emit (kernel/printk/printk.c:2471) | [ 62.343489][ T1439] Tainted: [W]=WARN [ 62.343490][ T1439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 62.343492][ T1439] Call Trace: [ 62.343494][ T1439] [ 62.343495][ T1439] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 62.343501][ T1439] ? vprintk_emit (kernel/printk/printk.c:2471) [ 62.343503][ T1439] __might_resched.cold (kernel/sched/core.c:9234) [ 62.343507][ T1439] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 62.343512][ T1439] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 62.343516][ T1439] __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)) [ 62.343518][ T1439] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.343524][ T1439] ? 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) [ 62.343527][ T1439] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.343531][ T1439] put_chars (drivers/char/virtio_console.c:1176) [ 62.343534][ T1439] ? __send_to_port (drivers/char/virtio_console.c:654) [ 62.343540][ T1439] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 62.343548][ T1439] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 62.343551][ T1439] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.343555][ T1439] console_emit_next_record (kernel/printk/printk.c:3183) [ 62.343559][ T1439] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 62.343561][ T1439] ? 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)) [ 62.343564][ T1439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.343567][ T1439] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.343571][ T1439] console_flush_one_record (kernel/printk/printk.c:3268) [ 62.343575][ T1439] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 62.343577][ T1439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.343582][ T1439] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 62.343585][ T1439] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 62.343587][ T1439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.343588][ T1439] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 62.343592][ T1439] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 62.343594][ T1439] ? vprintk_emit (kernel/printk/printk.c:2478) [ 62.343596][ T1439] vprintk_emit (kernel/printk/printk.c:2479) [ 62.343600][ T1439] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 62.343602][ T1439] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 62.343607][ T1439] _printk (kernel/printk/printk.c:2504) [ 62.343611][ T1439] ? snapshot_read.cold (user.c:?) [ 62.343613][ T1439] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 62.343615][ T1439] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 62.343618][ T1439] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 62.343620][ T1439] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 62.343624][ T1439] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 62.343627][ T1439] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 62.343629][ T1439] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 62.343632][ T1439] ? netdev_notice (net/core/dev.c:13194) [ 62.343634][ T1439] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.343637][ T1439] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.343640][ T1439] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 62.343643][ T1439] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 62.343645][ T1439] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 62.343648][ T1439] ? register_netdev (net/core/dev.c:11618) [ 62.343649][ T1439] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 62.343654][ T1439] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 62.343657][ T1439] ? __kernel_text_address (kernel/extable.c:79) [ 62.343659][ T1439] ? write_profile (profile.c:?) [ 62.343663][ T1439] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 62.343669][ T1439] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 62.343672][ T1439] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 62.343674][ T1439] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 62.343676][ T1439] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 62.343678][ T1439] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 62.343681][ T1439] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 62.343683][ T1439] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 62.343685][ T1439] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 62.343687][ T1439] ? kasan_save_stack (mm/kasan/common.c:58) [ 62.343689][ T1439] ? kasan_save_stack (mm/kasan/common.c:57) [ 62.343690][ T1439] ? kasan_save_track (mm/kasan/common.c:78) [ 62.343691][ T1439] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 62.343694][ T1439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.343695][ T1439] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 62.343698][ T1439] ? ___sys_sendmsg (net/socket.c:2758) [ 62.343702][ T1439] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 62.343704][ T1439] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 62.343707][ T1439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.343708][ T1439] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.343710][ T1439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.343711][ T1439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.343713][ T1439] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 62.343715][ T1439] ? __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) [ 62.343716][ T1439] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 62.343718][ T1439] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 62.343721][ T1439] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 62.343723][ T1439] ? nla_get_range_signed (lib/nlattr.c:270) [ 62.343727][ T1439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.343729][ T1439] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 62.343735][ T1439] rtnl_newlink (net/core/rtnetlink.c:4215) [ 62.343740][ T1439] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.343742][ T1439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.343746][ T1439] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 62.343748][ T1439] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.343750][ T1439] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.343752][ T1439] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.343755][ T1439] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.343757][ T1439] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.343761][ T1439] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.343762][ T1439] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.343766][ T1439] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 62.343768][ T1439] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.343772][ T1439] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 62.343775][ T1439] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.343778][ T1439] ? netlink_ack (./include/linux/skbuff.h:2718) [ 62.343784][ T1439] ? 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)) [ 62.343786][ T1439] ? 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)) [ 62.343791][ T1439] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 62.343795][ T1439] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 62.343797][ T1439] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.343801][ T1439] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 62.343805][ T1439] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 62.343809][ T1439] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.343811][ T1439] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 62.343816][ T1439] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 62.343819][ T1439] ____sys_sendmsg (net/socket.c:2713) [ 62.343821][ T1439] ? copy_msghdr_from_user (net/socket.c:2650) [ 62.343823][ T1439] ? sock_write_iter (net/socket.c:1269) [ 62.343825][ T1439] ? move_addr_to_kernel (net/socket.c:258) [ 62.343832][ T1439] ___sys_sendmsg (net/socket.c:2767) [ 62.343835][ T1439] ? copy_msghdr_from_user (net/socket.c:2619) [ 62.343851][ T1439] __sys_sendmsg (net/socket.c:2799) [ 62.343856][ T1439] ? __sys_sendmsg_sock (net/socket.c:2780) [ 62.343863][ T1439] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.343866][ T1439] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 62.343869][ T1439] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 62.343871][ T1439] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.343874][ T1439] RIP: 0033:0x7f514201e54e [ 62.343877][ T1439] 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 [ 62.343879][ T1439] RSP: 002b:00007ffe6b481580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 62.343882][ T1439] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f514201e54e [ 62.343883][ T1439] RDX: 0000000000000000 RSI: 00007ffe6b481630 RDI: 0000000000000005 [ 62.343884][ T1439] RBP: 00007ffe6b481590 R08: 0000000000000000 R09: 0000000000000000 [ 62.343885][ T1439] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919742 [ 62.343885][ T1439] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe6b481d00 | [ 66.534722][ T1556] softirqs last disabled at (19144): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 66.534724][ T1556] Preemption disabled at: | [ 66.534725][ T1556] vprintk_emit (kernel/printk/printk.c:2471) | [ 66.534733][ T1556] Tainted: [W]=WARN [ 66.534734][ T1556] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.534736][ T1556] Call Trace: [ 66.534737][ T1556] [ 66.534739][ T1556] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 66.534745][ T1556] ? vprintk_emit (kernel/printk/printk.c:2471) [ 66.534747][ T1556] __might_resched.cold (kernel/sched/core.c:9234) [ 66.534751][ T1556] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 66.534756][ T1556] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 66.534760][ T1556] __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)) [ 66.534762][ T1556] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.534769][ T1556] ? 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) [ 66.534771][ T1556] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.534775][ T1556] put_chars (drivers/char/virtio_console.c:1176) [ 66.534777][ T1556] ? __send_to_port (drivers/char/virtio_console.c:654) [ 66.534784][ T1556] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 66.534791][ T1556] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 66.534794][ T1556] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.534799][ T1556] console_emit_next_record (kernel/printk/printk.c:3183) [ 66.534803][ T1556] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 66.534805][ T1556] ? 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)) [ 66.534808][ T1556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.534811][ T1556] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.534815][ T1556] console_flush_one_record (kernel/printk/printk.c:3268) [ 66.534819][ T1556] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 66.534821][ T1556] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.534826][ T1556] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 66.534829][ T1556] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 66.534831][ T1556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.534833][ T1556] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 66.534836][ T1556] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 66.534838][ T1556] ? vprintk_emit (kernel/printk/printk.c:2478) [ 66.534841][ T1556] vprintk_emit (kernel/printk/printk.c:2479) [ 66.534844][ T1556] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 66.534846][ T1556] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 66.534851][ T1556] _printk (kernel/printk/printk.c:2504) [ 66.534858][ T1556] ? snapshot_read.cold (user.c:?) [ 66.534860][ T1556] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 66.534862][ T1556] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 66.534865][ T1556] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 66.534867][ T1556] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 66.534871][ T1556] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 66.534874][ T1556] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 66.534876][ T1556] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 66.534879][ T1556] ? netdev_notice (net/core/dev.c:13194) [ 66.534882][ T1556] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.534885][ T1556] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.534888][ T1556] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 66.534891][ T1556] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 66.534893][ T1556] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 66.534896][ T1556] ? register_netdev (net/core/dev.c:11618) [ 66.534897][ T1556] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 66.534903][ T1556] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 66.534905][ T1556] ? __kernel_text_address (kernel/extable.c:79) [ 66.534908][ T1556] ? write_profile (profile.c:?) [ 66.534912][ T1556] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 66.534918][ T1556] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 66.534921][ T1556] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 66.534923][ T1556] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 66.534925][ T1556] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 66.534927][ T1556] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 66.534930][ T1556] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 66.534932][ T1556] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 66.534934][ T1556] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 66.534936][ T1556] ? kasan_save_stack (mm/kasan/common.c:58) [ 66.534938][ T1556] ? kasan_save_stack (mm/kasan/common.c:57) [ 66.534939][ T1556] ? kasan_save_track (mm/kasan/common.c:78) [ 66.534941][ T1556] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 66.534943][ T1556] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.534945][ T1556] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 66.534948][ T1556] ? ___sys_sendmsg (net/socket.c:2758) [ 66.534951][ T1556] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.534954][ T1556] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 66.534956][ T1556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.534958][ T1556] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.534959][ T1556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.534961][ T1556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.534962][ T1556] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 66.534965][ T1556] ? __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) [ 66.534966][ T1556] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 66.534968][ T1556] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 66.534971][ T1556] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 66.534973][ T1556] ? nla_get_range_signed (lib/nlattr.c:270) [ 66.534977][ T1556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.534979][ T1556] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 66.534985][ T1556] rtnl_newlink (net/core/rtnetlink.c:4215) [ 66.534990][ T1556] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.534992][ T1556] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.534996][ T1556] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.534998][ T1556] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.535000][ T1556] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.535002][ T1556] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.535006][ T1556] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.535008][ T1556] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 66.535011][ T1556] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 66.535013][ T1556] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.535017][ T1556] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.535019][ T1556] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.535023][ T1556] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 66.535026][ T1556] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 66.535028][ T1556] ? netlink_ack (./include/linux/skbuff.h:2718) [ 66.535035][ T1556] ? 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)) [ 66.535037][ T1556] ? 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)) [ 66.535041][ T1556] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 66.535045][ T1556] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 66.535053][ T1556] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.535057][ T1556] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 66.535061][ T1556] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 66.535065][ T1556] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.535066][ T1556] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 66.535072][ T1556] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 66.535075][ T1556] ____sys_sendmsg (net/socket.c:2713) [ 66.535077][ T1556] ? copy_msghdr_from_user (net/socket.c:2650) [ 66.535079][ T1556] ? sock_write_iter (net/socket.c:1269) [ 66.535081][ T1556] ? move_addr_to_kernel (net/socket.c:258) [ 66.535088][ T1556] ___sys_sendmsg (net/socket.c:2767) [ 66.535091][ T1556] ? copy_msghdr_from_user (net/socket.c:2619) [ 66.535107][ T1556] __sys_sendmsg (net/socket.c:2799) [ 66.535110][ T1556] ? __sys_sendmsg_sock (net/socket.c:2780) [ 66.535116][ T1556] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.535119][ T1556] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 66.535122][ T1556] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 66.535125][ T1556] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 66.535128][ T1556] RIP: 0033:0x7f1ef419d54e [ 66.535131][ T1556] 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 [ 66.535133][ T1556] RSP: 002b:00007ffcce8bdcf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 66.535136][ T1556] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f1ef419d54e [ 66.535137][ T1556] RDX: 0000000000000000 RSI: 00007ffcce8bdda0 RDI: 0000000000000005 [ 66.535138][ T1556] RBP: 00007ffcce8bdd00 R08: 0000000000000000 R09: 0000000000000000 [ 66.535139][ T1556] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919746 [ 66.535140][ T1556] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcce8be470 | [ 71.687301][ T1677] softirqs last disabled at (24796): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 71.687303][ T1677] Preemption disabled at: | [ 71.687304][ T1677] vprintk_emit (kernel/printk/printk.c:2471) | [ 71.687312][ T1677] Tainted: [W]=WARN [ 71.687313][ T1677] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 71.687314][ T1677] Call Trace: [ 71.687316][ T1677] [ 71.687317][ T1677] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 71.687323][ T1677] ? vprintk_emit (kernel/printk/printk.c:2471) [ 71.687324][ T1677] __might_resched.cold (kernel/sched/core.c:9234) [ 71.687329][ T1677] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 71.687333][ T1677] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 71.687337][ T1677] __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)) [ 71.687339][ T1677] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.687346][ T1677] ? 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) [ 71.687349][ T1677] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.687353][ T1677] put_chars (drivers/char/virtio_console.c:1176) [ 71.687355][ T1677] ? __send_to_port (drivers/char/virtio_console.c:654) [ 71.687361][ T1677] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 71.687369][ T1677] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 71.687372][ T1677] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.687376][ T1677] console_emit_next_record (kernel/printk/printk.c:3183) [ 71.687380][ T1677] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 71.687382][ T1677] ? 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)) [ 71.687385][ T1677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.687388][ T1677] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.687392][ T1677] console_flush_one_record (kernel/printk/printk.c:3268) [ 71.687396][ T1677] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 71.687398][ T1677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 71.687403][ T1677] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 71.687406][ T1677] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 71.687408][ T1677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.687410][ T1677] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 71.687413][ T1677] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 71.687415][ T1677] ? vprintk_emit (kernel/printk/printk.c:2478) [ 71.687418][ T1677] vprintk_emit (kernel/printk/printk.c:2479) [ 71.687421][ T1677] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 71.687423][ T1677] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 71.687428][ T1677] _printk (kernel/printk/printk.c:2504) [ 71.687432][ T1677] ? snapshot_read.cold (user.c:?) [ 71.687433][ T1677] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 71.687436][ T1677] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 71.687439][ T1677] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 71.687441][ T1677] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 71.687445][ T1677] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 71.687448][ T1677] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 71.687450][ T1677] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 71.687453][ T1677] ? netdev_notice (net/core/dev.c:13194) [ 71.687455][ T1677] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 71.687458][ T1677] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 71.687461][ T1677] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 71.687464][ T1677] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 71.687466][ T1677] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 71.687469][ T1677] ? register_netdev (net/core/dev.c:11618) [ 71.687470][ T1677] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 71.687475][ T1677] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 71.687478][ T1677] ? __kernel_text_address (kernel/extable.c:79) [ 71.687480][ T1677] ? write_profile (profile.c:?) [ 71.687484][ T1677] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 71.687490][ T1677] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 71.687493][ T1677] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 71.687495][ T1677] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 71.687497][ T1677] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 71.687498][ T1677] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 71.687502][ T1677] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 71.687504][ T1677] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 71.687505][ T1677] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 71.687508][ T1677] ? kasan_save_stack (mm/kasan/common.c:58) [ 71.687509][ T1677] ? kasan_save_stack (mm/kasan/common.c:57) [ 71.687511][ T1677] ? kasan_save_track (mm/kasan/common.c:78) [ 71.687512][ T1677] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 71.687514][ T1677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 71.687516][ T1677] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 71.687519][ T1677] ? ___sys_sendmsg (net/socket.c:2758) [ 71.687523][ T1677] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 71.687525][ T1677] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 71.687527][ T1677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.687529][ T1677] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.687530][ T1677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.687531][ T1677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.687533][ T1677] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 71.687535][ T1677] ? __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) [ 71.687537][ T1677] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 71.687539][ T1677] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 71.687542][ T1677] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 71.687543][ T1677] ? nla_get_range_signed (lib/nlattr.c:270) [ 71.687548][ T1677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.687550][ T1677] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 71.687555][ T1677] rtnl_newlink (net/core/rtnetlink.c:4215) [ 71.687560][ T1677] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 71.687562][ T1677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 71.687567][ T1677] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 71.687569][ T1677] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 71.687570][ T1677] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 71.687572][ T1677] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 71.687576][ T1677] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 71.687578][ T1677] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 71.687581][ T1677] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 71.687582][ T1677] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 71.687587][ T1677] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 71.687588][ T1677] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 71.687592][ T1677] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 71.687595][ T1677] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 71.687598][ T1677] ? netlink_ack (./include/linux/skbuff.h:2718) [ 71.687604][ T1677] ? 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)) [ 71.687606][ T1677] ? 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)) [ 71.687610][ T1677] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 71.687614][ T1677] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 71.687617][ T1677] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 71.687621][ T1677] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 71.687625][ T1677] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 71.687629][ T1677] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 71.687630][ T1677] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 71.687636][ T1677] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 71.687638][ T1677] ____sys_sendmsg (net/socket.c:2713) [ 71.687641][ T1677] ? copy_msghdr_from_user (net/socket.c:2650) [ 71.687643][ T1677] ? sock_write_iter (net/socket.c:1269) [ 71.687644][ T1677] ? move_addr_to_kernel (net/socket.c:258) [ 71.687652][ T1677] ___sys_sendmsg (net/socket.c:2767) [ 71.687654][ T1677] ? copy_msghdr_from_user (net/socket.c:2619) [ 71.687670][ T1677] __sys_sendmsg (net/socket.c:2799) [ 71.687673][ T1677] ? __sys_sendmsg_sock (net/socket.c:2780) [ 71.687680][ T1677] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.687683][ T1677] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 71.687686][ T1677] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 71.687689][ T1677] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 71.687691][ T1677] RIP: 0033:0x7f82da36c54e [ 71.687694][ T1677] 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 [ 71.687696][ T1677] RSP: 002b:00007ffcb92b1310 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 71.687698][ T1677] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f82da36c54e [ 71.687700][ T1677] RDX: 0000000000000000 RSI: 00007ffcb92b13c0 RDI: 0000000000000005 [ 71.687701][ T1677] RBP: 00007ffcb92b1320 R08: 0000000000000000 R09: 0000000000000000 [ 71.687701][ T1677] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91974c [ 71.687702][ T1677] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb92b1a90 | [ 78.019506][ T1812] softirqs last disabled at (22070): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 78.019509][ T1812] Preemption disabled at: | [ 78.019510][ T1812] vprintk_emit (kernel/printk/printk.c:2471) | [ 78.019518][ T1812] Tainted: [W]=WARN [ 78.019518][ T1812] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 78.019520][ T1812] Call Trace: [ 78.019521][ T1812] [ 78.019523][ T1812] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 78.019529][ T1812] ? vprintk_emit (kernel/printk/printk.c:2471) [ 78.019530][ T1812] __might_resched.cold (kernel/sched/core.c:9234) [ 78.019535][ T1812] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 78.019539][ T1812] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 78.019543][ T1812] __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)) [ 78.019545][ T1812] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 78.019552][ T1812] ? 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) [ 78.019554][ T1812] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 78.019558][ T1812] put_chars (drivers/char/virtio_console.c:1176) [ 78.019560][ T1812] ? __send_to_port (drivers/char/virtio_console.c:654) [ 78.019567][ T1812] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 78.019574][ T1812] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 78.019577][ T1812] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.019582][ T1812] console_emit_next_record (kernel/printk/printk.c:3183) [ 78.019585][ T1812] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 78.019587][ T1812] ? 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)) [ 78.019590][ T1812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.019593][ T1812] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.019597][ T1812] console_flush_one_record (kernel/printk/printk.c:3268) [ 78.019601][ T1812] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 78.019603][ T1812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 78.019608][ T1812] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 78.019611][ T1812] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 78.019613][ T1812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.019614][ T1812] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 78.019618][ T1812] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 78.019620][ T1812] ? vprintk_emit (kernel/printk/printk.c:2478) [ 78.019622][ T1812] vprintk_emit (kernel/printk/printk.c:2479) [ 78.019625][ T1812] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 78.019628][ T1812] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 78.019633][ T1812] _printk (kernel/printk/printk.c:2504) [ 78.019636][ T1812] ? snapshot_read.cold (user.c:?) [ 78.019638][ T1812] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 78.019641][ T1812] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 78.019643][ T1812] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 78.019645][ T1812] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 78.019649][ T1812] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 78.019652][ T1812] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 78.019654][ T1812] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 78.019657][ T1812] ? netdev_notice (net/core/dev.c:13194) [ 78.019660][ T1812] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 78.019663][ T1812] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 78.019665][ T1812] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 78.019668][ T1812] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 78.019670][ T1812] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 78.019673][ T1812] ? register_netdev (net/core/dev.c:11618) [ 78.019674][ T1812] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 78.019679][ T1812] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 78.019681][ T1812] ? __kernel_text_address (kernel/extable.c:79) [ 78.019684][ T1812] ? write_profile (profile.c:?) [ 78.019688][ T1812] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 78.019694][ T1812] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 78.019697][ T1812] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 78.019699][ T1812] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 78.019700][ T1812] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 78.019702][ T1812] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 78.019705][ T1812] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 78.019707][ T1812] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 78.019709][ T1812] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 78.019712][ T1812] ? kasan_save_stack (mm/kasan/common.c:58) [ 78.019713][ T1812] ? kasan_save_stack (mm/kasan/common.c:57) [ 78.019715][ T1812] ? kasan_save_track (mm/kasan/common.c:78) [ 78.019716][ T1812] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 78.019718][ T1812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 78.019720][ T1812] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 78.019723][ T1812] ? ___sys_sendmsg (net/socket.c:2758) [ 78.019726][ T1812] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 78.019728][ T1812] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 78.019731][ T1812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.019733][ T1812] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.019734][ T1812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.019735][ T1812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.019737][ T1812] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 78.019739][ T1812] ? __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) [ 78.019741][ T1812] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 78.019743][ T1812] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 78.019746][ T1812] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 78.019747][ T1812] ? nla_get_range_signed (lib/nlattr.c:270) [ 78.019752][ T1812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.019754][ T1812] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 78.019759][ T1812] rtnl_newlink (net/core/rtnetlink.c:4215) [ 78.019765][ T1812] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 78.019766][ T1812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 78.019771][ T1812] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 78.019773][ T1812] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 78.019774][ T1812] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 78.019776][ T1812] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 78.019780][ T1812] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 78.019782][ T1812] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 78.019785][ T1812] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 78.019786][ T1812] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 78.019790][ T1812] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 78.019792][ T1812] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 78.019796][ T1812] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 78.019799][ T1812] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 78.019802][ T1812] ? netlink_ack (./include/linux/skbuff.h:2718) [ 78.019808][ T1812] ? 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)) [ 78.019810][ T1812] ? 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)) [ 78.019814][ T1812] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 78.019818][ T1812] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 78.019821][ T1812] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 78.019825][ T1812] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 78.019829][ T1812] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 78.019833][ T1812] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 78.019834][ T1812] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 78.019840][ T1812] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 78.019842][ T1812] ____sys_sendmsg (net/socket.c:2713) [ 78.019845][ T1812] ? copy_msghdr_from_user (net/socket.c:2650) [ 78.019847][ T1812] ? sock_write_iter (net/socket.c:1269) [ 78.019848][ T1812] ? move_addr_to_kernel (net/socket.c:258) [ 78.019859][ T1812] ___sys_sendmsg (net/socket.c:2767) [ 78.019862][ T1812] ? copy_msghdr_from_user (net/socket.c:2619) [ 78.019878][ T1812] __sys_sendmsg (net/socket.c:2799) [ 78.019881][ T1812] ? __sys_sendmsg_sock (net/socket.c:2780) [ 78.019887][ T1812] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.019890][ T1812] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 78.019893][ T1812] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 78.019896][ T1812] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.019898][ T1812] RIP: 0033:0x7f3674b7354e [ 78.019902][ T1812] 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 [ 78.019904][ T1812] RSP: 002b:00007fff713ff4a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 78.019906][ T1812] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f3674b7354e [ 78.019908][ T1812] RDX: 0000000000000000 RSI: 00007fff713ff550 RDI: 0000000000000005 [ 78.019908][ T1812] RBP: 00007fff713ff4b0 R08: 0000000000000000 R09: 0000000000000000 [ 78.019909][ T1812] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919752 [ 78.019910][ T1812] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff713ffc20 | [ 79.225391][ T68] softirqs last disabled at (451174): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 79.225393][ T68] Preemption disabled at: | [ 79.225394][ T68] 0x0 | [ 79.225404][ T68] Tainted: [W]=WARN [ 79.225404][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 79.225406][ T68] Workqueue: events_unbound linkwatch_event [ 79.225410][ T68] Call Trace: [ 79.225411][ T68] [ 79.225413][ T68] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 79.225419][ T68] __might_resched.cold (kernel/sched/core.c:9234) [ 79.225424][ T68] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 79.225428][ T68] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 79.225432][ T68] __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)) [ 79.225434][ T68] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 79.225441][ T68] ? 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) [ 79.225443][ T68] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 79.225447][ T68] put_chars (drivers/char/virtio_console.c:1176) [ 79.225449][ T68] ? __send_to_port (drivers/char/virtio_console.c:654) [ 79.225452][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 79.225455][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 79.225458][ T68] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 79.225462][ T68] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 79.225466][ T68] ? mark_usage (kernel/locking/lockdep.c:4690) [ 79.225468][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.225470][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.225474][ T68] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 79.225476][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.225481][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 79.225485][ T68] console_emit_next_record (kernel/printk/printk.c:3183) [ 79.225489][ T68] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 79.225491][ T68] ? 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)) [ 79.225494][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.225496][ T68] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 79.225500][ T68] console_flush_one_record (kernel/printk/printk.c:3268) [ 79.225504][ T68] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 79.225506][ T68] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.225511][ T68] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 79.225514][ T68] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 79.225516][ T68] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.225518][ T68] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 79.225522][ T68] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 79.225524][ T68] ? vprintk_emit (kernel/printk/printk.c:2478) [ 79.225526][ T68] vprintk_emit (kernel/printk/printk.c:2479) [ 79.225530][ T68] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 79.225532][ T68] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 79.225534][ T68] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 79.225537][ T68] _printk (kernel/printk/printk.c:2504) [ 79.225541][ T68] ? snapshot_read.cold (user.c:?) [ 79.225546][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.225550][ T68] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 79.225554][ T68] br_init_port (net/bridge/br_stp_if.c:39) [ 79.225557][ T68] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 79.225559][ T68] br_port_carrier_check (net/bridge/br_if.c:90) [ 79.225563][ T68] br_device_event (net/bridge/br.c:101) [ 79.225566][ T68] ? packet_sendmsg_spkt (af_packet.c:?) [ 79.225568][ T68] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 79.225575][ T68] notifier_call_chain (kernel/notifier.c:85) [ 79.225581][ T68] netif_state_change (net/core/dev.c:1625) [ 79.225586][ T68] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 79.225591][ T68] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 79.225593][ T68] __linkwatch_run_queue (net/core/link_watch.c:240) [ 79.225596][ T68] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 79.225598][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.225603][ T68] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 79.225605][ T68] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 79.225608][ T68] process_one_work (kernel/workqueue.c:3387) [ 79.225615][ T68] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 79.225618][ T68] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.225625][ T68] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 79.225630][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 79.225632][ T68] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 79.225635][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 79.225637][ T68] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 79.225639][ T68] kthread (kernel/kthread.c:436) [ 79.225642][ T68] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 79.225645][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 79.225648][ T68] ret_from_fork (arch/x86/kernel/process.c:158) [ 79.225652][ T68] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 79.225655][ T68] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 79.225659][ T68] ? kthread_affine_preferred (kernel/kthread.c:857) [ 79.225662][ T68] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 82.005516][ T12] softirqs last disabled at (1641544): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 82.005519][ T12] Preemption disabled at: | [ 82.005519][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 82.005527][ T12] Tainted: [W]=WARN [ 82.005528][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 82.005530][ T12] Workqueue: netns cleanup_net [ 82.005533][ T12] Call Trace: [ 82.005534][ T12] [ 82.005536][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 82.005542][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 82.005544][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 82.005548][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 82.005552][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 82.005557][ 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)) [ 82.005559][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.005565][ 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) [ 82.005568][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.005571][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 82.005574][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 82.005575][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 82.005579][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 82.005582][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 82.005587][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 82.005590][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 82.005596][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 82.005599][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.005604][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 82.005608][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 82.005610][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 82.005613][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.005615][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.005619][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 82.005623][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 82.005625][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 82.005630][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 82.005633][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 82.005635][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.005637][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 82.005641][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 82.005643][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 82.005645][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 82.005649][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 82.005650][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 82.005652][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 82.005654][ T12] ? kthread (kernel/kthread.c:436) [ 82.005656][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 82.005659][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 82.005663][ T12] _printk (kernel/printk/printk.c:2504) [ 82.005667][ T12] ? snapshot_read.cold (user.c:?) [ 82.005672][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 82.005675][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 82.005679][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 82.005682][ T12] ? netdev_notice (net/core/dev.c:13194) [ 82.005687][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.005689][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 82.005691][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 82.005693][ 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) [ 82.005696][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 82.005700][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 82.005704][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 82.005707][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 82.005709][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 82.005714][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 82.005718][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 82.005721][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 82.005725][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 82.005728][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 82.005730][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 82.005733][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 82.005738][ T12] cleanup_net (net/core/net_namespace.c:706) [ 82.005741][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 82.005745][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.005747][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.005750][ T12] process_one_work (kernel/workqueue.c:3387) [ 82.005757][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 82.005760][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 82.005768][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 82.005775][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 82.005777][ T12] kthread (kernel/kthread.c:436) [ 82.005779][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 82.005782][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 82.005785][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 82.005788][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 82.005792][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 82.005795][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 82.005798][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 83.861550][ T1958] softirqs last disabled at (19256): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 83.861552][ T1958] Preemption disabled at: | [ 83.861553][ T1958] vprintk_emit (kernel/printk/printk.c:2471) | [ 83.861561][ T1958] Tainted: [W]=WARN [ 83.861562][ T1958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 83.861563][ T1958] Call Trace: [ 83.861565][ T1958] [ 83.861567][ T1958] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 83.861573][ T1958] ? vprintk_emit (kernel/printk/printk.c:2471) [ 83.861574][ T1958] __might_resched.cold (kernel/sched/core.c:9234) [ 83.861579][ T1958] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 83.861583][ T1958] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 83.861587][ T1958] __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)) [ 83.861589][ T1958] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 83.861596][ T1958] ? 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) [ 83.861599][ T1958] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 83.861602][ T1958] put_chars (drivers/char/virtio_console.c:1176) [ 83.861605][ T1958] ? __send_to_port (drivers/char/virtio_console.c:654) [ 83.861611][ T1958] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 83.861618][ T1958] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 83.861621][ T1958] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 83.861626][ T1958] console_emit_next_record (kernel/printk/printk.c:3183) [ 83.861630][ T1958] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 83.861632][ T1958] ? 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)) [ 83.861635][ T1958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.861638][ T1958] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 83.861642][ T1958] console_flush_one_record (kernel/printk/printk.c:3268) [ 83.861646][ T1958] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 83.861648][ T1958] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 83.861653][ T1958] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 83.861656][ T1958] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 83.861658][ T1958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.861660][ T1958] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 83.861664][ T1958] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 83.861665][ T1958] ? vprintk_emit (kernel/printk/printk.c:2478) [ 83.861668][ T1958] vprintk_emit (kernel/printk/printk.c:2479) [ 83.861671][ T1958] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 83.861674][ T1958] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 83.861679][ T1958] _printk (kernel/printk/printk.c:2504) [ 83.861683][ T1958] ? snapshot_read.cold (user.c:?) [ 83.861685][ T1958] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 83.861687][ T1958] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 83.861690][ T1958] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 83.861692][ T1958] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 83.861696][ T1958] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 83.861699][ T1958] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 83.861701][ T1958] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 83.861704][ T1958] ? netdev_notice (net/core/dev.c:13194) [ 83.861707][ T1958] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 83.861710][ T1958] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 83.861713][ T1958] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 83.861716][ T1958] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 83.861718][ T1958] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 83.861721][ T1958] ? register_netdev (net/core/dev.c:11618) [ 83.861722][ T1958] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 83.861727][ T1958] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 83.861730][ T1958] ? __kernel_text_address (kernel/extable.c:79) [ 83.861732][ T1958] ? write_profile (profile.c:?) [ 83.861736][ T1958] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 83.861742][ T1958] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 83.861746][ T1958] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 83.861748][ T1958] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 83.861749][ T1958] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 83.861751][ T1958] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 83.861754][ T1958] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 83.861756][ T1958] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 83.861758][ T1958] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 83.861761][ T1958] ? kasan_save_stack (mm/kasan/common.c:58) [ 83.861763][ T1958] ? kasan_save_stack (mm/kasan/common.c:57) [ 83.861764][ T1958] ? kasan_save_track (mm/kasan/common.c:78) [ 83.861765][ T1958] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 83.861767][ T1958] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 83.861769][ T1958] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 83.861772][ T1958] ? ___sys_sendmsg (net/socket.c:2758) [ 83.861776][ T1958] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 83.861778][ T1958] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 83.861781][ T1958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.861782][ T1958] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 83.861784][ T1958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.861785][ T1958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.861787][ T1958] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 83.861789][ T1958] ? __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) [ 83.861790][ T1958] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 83.861792][ T1958] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 83.861796][ T1958] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 83.861797][ T1958] ? nla_get_range_signed (lib/nlattr.c:270) [ 83.861802][ T1958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.861804][ T1958] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 83.861809][ T1958] rtnl_newlink (net/core/rtnetlink.c:4215) [ 83.861815][ T1958] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 83.861817][ T1958] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 83.861821][ T1958] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 83.861823][ T1958] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 83.861825][ T1958] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 83.861827][ T1958] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 83.861830][ T1958] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 83.861832][ T1958] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 83.861836][ T1958] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 83.861837][ T1958] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 83.861841][ T1958] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 83.861843][ T1958] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 83.861847][ T1958] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 83.861850][ T1958] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 83.861853][ T1958] ? netlink_ack (./include/linux/skbuff.h:2718) [ 83.861862][ T1958] ? 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)) [ 83.861864][ T1958] ? 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)) [ 83.861869][ T1958] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 83.861873][ T1958] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 83.861876][ T1958] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 83.861880][ T1958] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 83.861884][ T1958] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 83.861888][ T1958] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 83.861889][ T1958] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 83.861894][ T1958] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 83.861897][ T1958] ____sys_sendmsg (net/socket.c:2713) [ 83.861900][ T1958] ? copy_msghdr_from_user (net/socket.c:2650) [ 83.861902][ T1958] ? sock_write_iter (net/socket.c:1269) [ 83.861904][ T1958] ? move_addr_to_kernel (net/socket.c:258) [ 83.861911][ T1958] ___sys_sendmsg (net/socket.c:2767) [ 83.861914][ T1958] ? copy_msghdr_from_user (net/socket.c:2619) [ 83.861930][ T1958] __sys_sendmsg (net/socket.c:2799) [ 83.861933][ T1958] ? __sys_sendmsg_sock (net/socket.c:2780) [ 83.861939][ T1958] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 83.861942][ T1958] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 83.861945][ T1958] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 83.861948][ T1958] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 83.861950][ T1958] RIP: 0033:0x7fd4d048c54e [ 83.861954][ T1958] 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 [ 83.861956][ T1958] RSP: 002b:00007fffbc787e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 83.861958][ T1958] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd4d048c54e [ 83.861960][ T1958] RDX: 0000000000000000 RSI: 00007fffbc787ef0 RDI: 0000000000000005 [ 83.861961][ T1958] RBP: 00007fffbc787e50 R08: 0000000000000000 R09: 0000000000000000 [ 83.861961][ T1958] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a919758 [ 83.861962][ T1958] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffbc7885c0 | [ 85.114400][ T38] softirqs last disabled at (669552): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 85.114403][ T38] Preemption disabled at: | [ 85.114404][ T38] 0x0 | [ 85.114414][ T38] Tainted: [W]=WARN [ 85.114415][ T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 85.114417][ T38] Workqueue: events_unbound linkwatch_event [ 85.114420][ T38] Call Trace: [ 85.114421][ T38] [ 85.114423][ T38] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 85.114430][ T38] __might_resched.cold (kernel/sched/core.c:9234) [ 85.114435][ T38] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 85.114439][ T38] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 85.114444][ T38] __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)) [ 85.114446][ T38] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.114452][ T38] ? 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) [ 85.114455][ T38] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.114459][ T38] put_chars (drivers/char/virtio_console.c:1176) [ 85.114462][ T38] ? __send_to_port (drivers/char/virtio_console.c:654) [ 85.114465][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 85.114468][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 85.114471][ T38] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 85.114475][ T38] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 85.114480][ T38] ? mark_usage (kernel/locking/lockdep.c:4690) [ 85.114482][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 85.114483][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 85.114488][ T38] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 85.114490][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 85.114495][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.114499][ T38] console_emit_next_record (kernel/printk/printk.c:3183) [ 85.114504][ T38] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 85.114506][ T38] ? 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)) [ 85.114509][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.114511][ T38] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.114515][ T38] console_flush_one_record (kernel/printk/printk.c:3268) [ 85.114520][ T38] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 85.114522][ T38] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 85.114527][ T38] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 85.114530][ T38] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 85.114532][ T38] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.114534][ T38] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 85.114538][ T38] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 85.114540][ T38] ? vprintk_emit (kernel/printk/printk.c:2478) [ 85.114543][ T38] vprintk_emit (kernel/printk/printk.c:2479) [ 85.114546][ T38] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 85.114548][ T38] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 85.114550][ T38] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 85.114554][ T38] _printk (kernel/printk/printk.c:2504) [ 85.114558][ T38] ? snapshot_read.cold (user.c:?) [ 85.114563][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 85.114567][ T38] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 85.114572][ T38] br_init_port (net/bridge/br_stp_if.c:39) [ 85.114574][ T38] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 85.114576][ T38] br_port_carrier_check (net/bridge/br_if.c:90) [ 85.114580][ T38] br_device_event (net/bridge/br.c:101) [ 85.114584][ T38] ? packet_sendmsg_spkt (af_packet.c:?) [ 85.114585][ T38] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 85.114593][ T38] notifier_call_chain (kernel/notifier.c:85) [ 85.114599][ T38] netif_state_change (net/core/dev.c:1625) [ 85.114604][ T38] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 85.114609][ T38] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 85.114611][ T38] __linkwatch_run_queue (net/core/link_watch.c:240) [ 85.114614][ T38] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 85.114617][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 85.114621][ T38] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 85.114623][ T38] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 85.114627][ T38] process_one_work (kernel/workqueue.c:3387) [ 85.114634][ T38] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 85.114637][ T38] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 85.114645][ T38] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 85.114652][ T38] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 85.114655][ T38] kthread (kernel/kthread.c:436) [ 85.114657][ T38] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.114660][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 85.114663][ T38] ret_from_fork (arch/x86/kernel/process.c:158) [ 85.114668][ T38] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 85.114671][ T38] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 85.114675][ T38] ? kthread_affine_preferred (kernel/kthread.c:857) [ 85.114678][ T38] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 86.992113][ T12] softirqs last disabled at (1828638): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 86.992115][ T12] Preemption disabled at: | [ 86.992116][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 86.992124][ T12] Tainted: [W]=WARN [ 86.992125][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 86.992126][ T12] Workqueue: netns cleanup_net [ 86.992134][ T12] Call Trace: [ 86.992135][ T12] [ 86.992138][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 86.992144][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 86.992145][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 86.992150][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 86.992154][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 86.992158][ 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)) [ 86.992160][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.992166][ 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) [ 86.992169][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 86.992173][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 86.992175][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 86.992177][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 86.992180][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 86.992183][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 86.992188][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 86.992192][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 86.992197][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 86.992200][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.992205][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 86.992209][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 86.992211][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 86.992214][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.992216][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.992220][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 86.992224][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 86.992226][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 86.992232][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 86.992235][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 86.992237][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.992238][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 86.992242][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 86.992244][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 86.992247][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 86.992250][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 86.992251][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 86.992253][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 86.992255][ T12] ? kthread (kernel/kthread.c:436) [ 86.992257][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 86.992260][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 86.992265][ T12] _printk (kernel/printk/printk.c:2504) [ 86.992268][ T12] ? snapshot_read.cold (user.c:?) [ 86.992273][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 86.992277][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 86.992280][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 86.992283][ T12] ? netdev_notice (net/core/dev.c:13194) [ 86.992288][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.992290][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 86.992292][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 86.992294][ 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) [ 86.992297][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 86.992301][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 86.992304][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 86.992308][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 86.992310][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 86.992315][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 86.992318][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 86.992322][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 86.992325][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 86.992329][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 86.992331][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 86.992334][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 86.992339][ T12] cleanup_net (net/core/net_namespace.c:706) [ 86.992342][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 86.992346][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 86.992348][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 86.992351][ T12] process_one_work (kernel/workqueue.c:3387) [ 86.992358][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 86.992361][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 86.992369][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 86.992376][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 86.992378][ T12] kthread (kernel/kthread.c:436) [ 86.992380][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 86.992383][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 86.992386][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 86.992389][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 86.992392][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 86.992395][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars