====================================== | [ 10.072761][ T270] softirqs last disabled at (0): 0x0 | [ 10.072762][ T270] Preemption disabled at: | [ 10.072763][ T270] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.072773][ T270] Tainted: [W]=WARN [ 10.072774][ T270] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.072776][ T270] Call Trace: [ 10.072777][ T270] [ 10.072779][ T270] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.072785][ T270] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.072786][ T270] __might_resched.cold (kernel/sched/core.c:9234) [ 10.072790][ T270] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.072793][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072796][ T270] __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)) [ 10.072799][ T270] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.072802][ T270] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.072807][ T270] ? 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) [ 10.072809][ T270] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.072812][ T270] put_chars (drivers/char/virtio_console.c:1176) [ 10.072813][ T270] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.072814][ T270] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 10.072817][ T270] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 10.072819][ T270] ? pointer (lib/vsprintf.c:2577) [ 10.072823][ T270] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.072827][ T270] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.072829][ T270] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.072831][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.072833][ T270] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.072836][ T270] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.072838][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072839][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072840][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072841][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.072843][ T270] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 10.072845][ T270] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.072847][ T270] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.072850][ T270] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.072852][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.072854][ T270] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.072855][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072856][ T270] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.072858][ T270] ? 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) [ 10.072859][ T270] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 10.072861][ T270] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.072863][ T270] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.072864][ T270] vprintk_emit (kernel/printk/printk.c:2479) [ 10.072866][ T270] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.072867][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.072869][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072870][ T270] _printk (kernel/printk/printk.c:2504) [ 10.072873][ T270] ? snapshot_read.cold (user.c:?) [ 10.072875][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.072877][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072878][ T270] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.072881][ T270] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.072883][ T270] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.072887][ T270] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.072889][ T270] ? netdev_notice (net/core/dev.c:13194) [ 10.072890][ T270] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.072892][ T270] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.072894][ T270] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.072896][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072897][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072898][ T270] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.072901][ T270] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 10.072902][ T270] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 10.072903][ T270] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.072905][ T270] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.072906][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072908][ T270] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.072909][ T270] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.072913][ T270] ? __kernel_text_address (kernel/extable.c:79) [ 10.072915][ T270] ? write_profile (profile.c:?) [ 10.072918][ T270] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.072922][ T270] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.072924][ T270] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.072925][ T270] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.072926][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072927][ T270] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 10.072930][ T270] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.072932][ T270] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.072933][ T270] ? kasan_save_track (mm/kasan/common.c:78) [ 10.072934][ T270] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.072935][ T270] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 10.072936][ T270] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 10.072937][ T270] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.072939][ T270] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.072942][ T270] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.072943][ T270] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.072945][ T270] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.072947][ T270] ? ____sys_sendmsg (net/socket.c:2713) [ 10.072949][ T270] ? ___sys_sendmsg (net/socket.c:2767) [ 10.072950][ T270] ? __sys_sendmsg (net/socket.c:2799) [ 10.072952][ T270] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.072954][ T270] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.072956][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072958][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.072959][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072960][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072961][ T270] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.072963][ T270] ? __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) [ 10.072964][ T270] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.072966][ T270] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.072967][ T270] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.072968][ T270] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.072972][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072973][ T270] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.072975][ T270] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.072977][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072978][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.072979][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.072981][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072982][ T270] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 10.072985][ T270] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.072986][ T270] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.072987][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072988][ T270] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.072992][ T270] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 10.072994][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072995][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.072997][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.072998][ T270] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.072999][ T270] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.073001][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.073002][ T270] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.073003][ T270] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 10.073006][ T270] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.073007][ T270] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.073009][ T270] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.073010][ T270] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.073012][ T270] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 10.073015][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.073016][ T270] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.073018][ T270] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.073020][ T270] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.073022][ T270] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.073024][ T270] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.073026][ T270] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.073028][ T270] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.073029][ T270] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.073031][ T270] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.073034][ T270] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.073036][ T270] ____sys_sendmsg (net/socket.c:2713) [ 10.073037][ T270] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.073039][ T270] ? sock_write_iter (net/socket.c:1269) [ 10.073041][ T270] ? move_addr_to_kernel (net/socket.c:258) [ 10.073042][ T270] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.073045][ T270] ___sys_sendmsg (net/socket.c:2767) [ 10.073047][ T270] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.073051][ T270] __sys_sendmsg (net/socket.c:2799) [ 10.073053][ T270] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.073056][ T270] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.073058][ T270] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.073059][ T270] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.073062][ T270] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.073063][ T270] RIP: 0033:0x7f45e644c54e [ 10.073065][ T270] 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 [ 10.073066][ T270] RSP: 002b:00007ffccaa0f4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.073070][ T270] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f45e644c54e [ 10.073071][ T270] RDX: 0000000000000000 RSI: 00007ffccaa0f580 RDI: 0000000000000005 [ 10.073072][ T270] RBP: 00007ffccaa0f4e0 R08: 0000000000000000 R09: 0000000000000000 [ 10.073073][ T270] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912d9d [ 10.073074][ T270] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccaa0fc50 | [ 21.229344][ T585] softirqs last disabled at (0): 0x0 | [ 21.229345][ T585] Preemption disabled at: | [ 21.229346][ T585] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.229356][ T585] Tainted: [W]=WARN [ 21.229357][ T585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.229359][ T585] Call Trace: [ 21.229360][ T585] [ 21.229361][ T585] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.229367][ T585] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.229368][ T585] __might_resched.cold (kernel/sched/core.c:9234) [ 21.229372][ T585] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.229375][ T585] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 21.229379][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229381][ T585] __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)) [ 21.229384][ T585] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.229387][ T585] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.229392][ T585] ? 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) [ 21.229394][ T585] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.229397][ T585] put_chars (drivers/char/virtio_console.c:1176) [ 21.229398][ T585] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.229400][ T585] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 21.229403][ T585] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.229407][ T585] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.229409][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229410][ T585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.229413][ T585] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.229416][ T585] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.229418][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229419][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229420][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229421][ T585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.229423][ T585] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 21.229425][ T585] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.229427][ T585] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.229430][ T585] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.229432][ T585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.229433][ T585] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.229435][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229436][ T585] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.229438][ T585] ? 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) [ 21.229439][ T585] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 21.229441][ T585] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.229443][ T585] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.229444][ T585] vprintk_emit (kernel/printk/printk.c:2479) [ 21.229446][ T585] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.229447][ T585] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 21.229449][ T585] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 21.229452][ T585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.229454][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229455][ T585] _printk (kernel/printk/printk.c:2504) [ 21.229458][ T585] ? snapshot_read.cold (user.c:?) [ 21.229460][ T585] ? br_multicast_flood (??:?) [ 21.229464][ T585] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 21.229466][ T585] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 21.229468][ T585] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.229469][ T585] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 21.229475][ T585] br_init_port (net/bridge/br_stp_if.c:39) [ 21.229477][ T585] new_nbp (net/bridge/br_if.c:449) [ 21.229479][ T585] br_add_if (net/bridge/br_if.c:592) [ 21.229481][ T585] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 21.229484][ T585] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 21.229485][ T585] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 21.229489][ T585] do_set_master (net/core/rtnetlink.c:3071) [ 21.229490][ T585] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 21.229492][ T585] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 21.229495][ T585] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 21.229496][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229497][ T585] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 21.229501][ T585] ? kasan_save_stack (mm/kasan/common.c:58) [ 21.229503][ T585] ? kasan_save_stack (mm/kasan/common.c:57) [ 21.229504][ T585] ? kasan_save_track (mm/kasan/common.c:78) [ 21.229513][ T585] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 21.229514][ T585] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 21.229515][ T585] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 21.229516][ T585] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.229518][ T585] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 21.229521][ T585] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 21.229522][ T585] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 21.229524][ T585] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 21.229527][ T585] ? ____sys_sendmsg (net/socket.c:2713) [ 21.229528][ T585] ? ___sys_sendmsg (net/socket.c:2767) [ 21.229529][ T585] ? __sys_sendmsg (net/socket.c:2799) [ 21.229531][ T585] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.229534][ T585] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.229536][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229538][ T585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.229539][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229540][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229541][ T585] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 21.229543][ T585] ? __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) [ 21.229544][ T585] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 21.229545][ T585] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.229547][ T585] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 21.229548][ T585] ? nla_get_range_signed (lib/nlattr.c:270) [ 21.229552][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229553][ T585] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 21.229555][ T585] rtnl_newlink (net/core/rtnetlink.c:4215) [ 21.229557][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229558][ T585] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.229559][ T585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.229561][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229562][ T585] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 21.229563][ T585] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 21.229565][ T585] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 21.229566][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229567][ T585] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 21.229570][ T585] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 21.229572][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229573][ T585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.229575][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229576][ T585] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.229578][ T585] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.229579][ T585] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.229581][ T585] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 21.229582][ T585] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 21.229584][ T585] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 21.229586][ T585] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.229587][ T585] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.229589][ T585] ? netlink_ack (./include/linux/skbuff.h:2718) [ 21.229591][ T585] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 21.229594][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229595][ T585] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 21.229597][ T585] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 21.229599][ T585] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 21.229601][ T585] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.229603][ T585] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 21.229605][ T585] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.229607][ T585] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 21.229609][ T585] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.229610][ T585] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 21.229613][ T585] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 21.229615][ T585] ____sys_sendmsg (net/socket.c:2713) [ 21.229617][ T585] ? copy_msghdr_from_user (net/socket.c:2650) [ 21.229619][ T585] ? sock_write_iter (net/socket.c:1269) [ 21.229620][ T585] ? move_addr_to_kernel (net/socket.c:258) [ 21.229622][ T585] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 21.229624][ T585] ___sys_sendmsg (net/socket.c:2767) [ 21.229626][ T585] ? copy_msghdr_from_user (net/socket.c:2619) [ 21.229631][ T585] __sys_sendmsg (net/socket.c:2799) [ 21.229633][ T585] ? __sys_sendmsg_sock (net/socket.c:2780) [ 21.229636][ T585] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.229638][ T585] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.229639][ T585] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.229642][ T585] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.229643][ T585] RIP: 0033:0x7f7db434454e [ 21.229645][ T585] 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 [ 21.229647][ T585] RSP: 002b:00007ffefe30c0e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.229650][ T585] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7db434454e [ 21.229652][ T585] RDX: 0000000000000000 RSI: 00007ffefe30c190 RDI: 0000000000000005 [ 21.229653][ T585] RBP: 00007ffefe30c0f0 R08: 0000000000000000 R09: 0000000000000000 [ 21.229654][ T585] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912da8 [ 21.229654][ T585] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefe30c860 | [ 22.268346][ T661] softirqs last disabled at (0): 0x0 | [ 22.268348][ T661] Preemption disabled at: | [ 22.268348][ T661] vprintk_emit (kernel/printk/printk.c:2471) | [ 22.268358][ T661] Tainted: [W]=WARN [ 22.268359][ T661] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 22.268361][ T661] Call Trace: [ 22.268363][ T661] [ 22.268364][ T661] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 22.268369][ T661] ? vprintk_emit (kernel/printk/printk.c:2471) [ 22.268371][ T661] __might_resched.cold (kernel/sched/core.c:9234) [ 22.268375][ T661] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 22.268378][ T661] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 22.268381][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268383][ T661] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 22.268386][ T661] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.268389][ T661] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.268394][ T661] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 22.268396][ T661] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 22.268398][ T661] put_chars (drivers/char/virtio_console.c:1176) [ 22.268400][ T661] ? __send_to_port (drivers/char/virtio_console.c:654) [ 22.268402][ T661] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 22.268404][ T661] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 22.268409][ T661] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 22.268411][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268412][ T661] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.268414][ T661] console_emit_next_record (kernel/printk/printk.c:3183) [ 22.268417][ T661] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 22.268419][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268420][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268421][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268422][ T661] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.268424][ T661] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 22.268426][ T661] console_flush_one_record (kernel/printk/printk.c:3268) [ 22.268428][ T661] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 22.268431][ T661] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 22.268433][ T661] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.268435][ T661] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 22.268436][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268437][ T661] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 22.268439][ T661] ? 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) [ 22.268440][ T661] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 22.268442][ T661] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 22.268444][ T661] ? vprintk_emit (kernel/printk/printk.c:2478) [ 22.268445][ T661] vprintk_emit (kernel/printk/printk.c:2479) [ 22.268447][ T661] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 22.268448][ T661] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 22.268450][ T661] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 22.268453][ T661] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.268454][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268456][ T661] _printk (kernel/printk/printk.c:2504) [ 22.268459][ T661] ? snapshot_read.cold (user.c:?) [ 22.268461][ T661] ? br_multicast_flood (??:?) [ 22.268464][ T661] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 22.268467][ T661] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 22.268468][ T661] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 22.268470][ T661] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 22.268476][ T661] br_init_port (net/bridge/br_stp_if.c:39) [ 22.268478][ T661] new_nbp (net/bridge/br_if.c:449) [ 22.268480][ T661] br_add_if (net/bridge/br_if.c:592) [ 22.268482][ T661] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 22.268485][ T661] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 22.268486][ T661] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 22.268489][ T661] do_set_master (net/core/rtnetlink.c:3071) [ 22.268491][ T661] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 22.268493][ T661] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 22.268494][ T661] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 22.268495][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268496][ T661] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 22.268500][ T661] ? kasan_save_stack (mm/kasan/common.c:58) [ 22.268502][ T661] ? kasan_save_stack (mm/kasan/common.c:57) [ 22.268503][ T661] ? kasan_save_track (mm/kasan/common.c:78) [ 22.268504][ T661] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 22.268505][ T661] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 22.268506][ T661] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 22.268507][ T661] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 22.268513][ T661] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 22.268516][ T661] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 22.268518][ T661] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 22.268519][ T661] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 22.268522][ T661] ? ____sys_sendmsg (net/socket.c:2713) [ 22.268524][ T661] ? ___sys_sendmsg (net/socket.c:2767) [ 22.268525][ T661] ? __sys_sendmsg (net/socket.c:2799) [ 22.268527][ T661] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.268530][ T661] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.268533][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268534][ T661] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.268535][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268536][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268537][ T661] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 22.268539][ T661] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 22.268541][ T661] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 22.268542][ T661] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 22.268543][ T661] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 22.268545][ T661] ? nla_get_range_signed (lib/nlattr.c:270) [ 22.268548][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268549][ T661] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 22.268551][ T661] rtnl_newlink (net/core/rtnetlink.c:4215) [ 22.268553][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268555][ T661] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.268556][ T661] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.268557][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268559][ T661] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 22.268560][ T661] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 22.268561][ T661] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 22.268562][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268563][ T661] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 22.268567][ T661] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 22.268569][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268570][ T661] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.268572][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268573][ T661] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 22.268574][ T661] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 22.268576][ T661] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.268577][ T661] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 22.268579][ T661] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 22.268581][ T661] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 22.268583][ T661] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 22.268584][ T661] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 22.268586][ T661] ? netlink_ack (./include/linux/skbuff.h:2718) [ 22.268587][ T661] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 22.268590][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268592][ T661] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 22.268594][ T661] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 22.268596][ T661] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 22.268598][ T661] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.268600][ T661] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 22.268602][ T661] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 22.268603][ T661] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 22.268605][ T661] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 22.268606][ T661] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 22.268610][ T661] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 22.268612][ T661] ____sys_sendmsg (net/socket.c:2713) [ 22.268613][ T661] ? copy_msghdr_from_user (net/socket.c:2650) [ 22.268615][ T661] ? sock_write_iter (net/socket.c:1269) [ 22.268617][ T661] ? move_addr_to_kernel (net/socket.c:258) [ 22.268618][ T661] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 22.268621][ T661] ___sys_sendmsg (net/socket.c:2767) [ 22.268623][ T661] ? copy_msghdr_from_user (net/socket.c:2619) [ 22.268628][ T661] __sys_sendmsg (net/socket.c:2799) [ 22.268630][ T661] ? __sys_sendmsg_sock (net/socket.c:2780) [ 22.268632][ T661] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 22.268634][ T661] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 22.268636][ T661] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 22.268638][ T661] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 22.268639][ T661] RIP: 0033:0x7fcc8bf8e54e [ 22.268641][ T661] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 22.268643][ T661] RSP: 002b:00007ffd4c2df5c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 22.268647][ T661] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fcc8bf8e54e [ 22.268648][ T661] RDX: 0000000000000000 RSI: 00007ffd4c2df670 RDI: 0000000000000005 [ 22.268649][ T661] RBP: 00007ffd4c2df5d0 R08: 0000000000000000 R09: 0000000000000000 [ 22.268650][ T661] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912da9 [ 22.268651][ T661] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4c2dfd40 | [ 23.476878][ T757] softirqs last disabled at (0): 0x0 | [ 23.476879][ T757] Preemption disabled at: | [ 23.476880][ T757] vprintk_emit (kernel/printk/printk.c:2471) | [ 23.476890][ T757] Tainted: [W]=WARN [ 23.476891][ T757] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.476893][ T757] Call Trace: [ 23.476894][ T757] [ 23.476895][ T757] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 23.476901][ T757] ? vprintk_emit (kernel/printk/printk.c:2471) [ 23.476903][ T757] __might_resched.cold (kernel/sched/core.c:9234) [ 23.476907][ T757] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 23.476910][ T757] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 23.476914][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.476916][ T757] __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)) [ 23.476919][ T757] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.476922][ T757] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.476927][ T757] ? 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) [ 23.476929][ T757] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 23.476932][ T757] put_chars (drivers/char/virtio_console.c:1176) [ 23.476934][ T757] ? __send_to_port (drivers/char/virtio_console.c:654) [ 23.476935][ T757] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 23.476938][ T757] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 23.476943][ T757] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 23.476945][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.476946][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.476948][ T757] console_emit_next_record (kernel/printk/printk.c:3183) [ 23.476951][ T757] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 23.476953][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.476954][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.476955][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.476956][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.476958][ T757] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 23.476960][ T757] console_flush_one_record (kernel/printk/printk.c:3268) [ 23.476962][ T757] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 23.476965][ T757] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 23.476967][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.476968][ T757] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 23.476970][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.476971][ T757] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 23.476973][ T757] ? 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) [ 23.476974][ T757] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 23.476976][ T757] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 23.476978][ T757] ? vprintk_emit (kernel/printk/printk.c:2478) [ 23.476979][ T757] vprintk_emit (kernel/printk/printk.c:2479) [ 23.476981][ T757] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 23.476982][ T757] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 23.476984][ T757] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 23.476987][ T757] _printk (kernel/printk/printk.c:2504) [ 23.476990][ T757] ? snapshot_read.cold (user.c:?) [ 23.476992][ T757] ? br_multicast_flood (??:?) [ 23.476996][ T757] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 23.476999][ T757] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 23.477000][ T757] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 23.477002][ T757] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 23.477004][ T757] br_init_port (net/bridge/br_stp_if.c:39) [ 23.477006][ T757] new_nbp (net/bridge/br_if.c:449) [ 23.477009][ T757] br_add_if (net/bridge/br_if.c:592) [ 23.477011][ T757] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 23.477013][ T757] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 23.477015][ T757] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 23.477018][ T757] do_set_master (net/core/rtnetlink.c:3071) [ 23.477019][ T757] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 23.477021][ T757] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 23.477023][ T757] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 23.477024][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.477025][ T757] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 23.477029][ T757] ? kasan_save_stack (mm/kasan/common.c:58) [ 23.477031][ T757] ? kasan_save_stack (mm/kasan/common.c:57) [ 23.477032][ T757] ? kasan_save_track (mm/kasan/common.c:78) [ 23.477033][ T757] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 23.477034][ T757] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 23.477035][ T757] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 23.477036][ T757] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 23.477037][ T757] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 23.477040][ T757] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 23.477042][ T757] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 23.477043][ T757] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 23.477046][ T757] ? ____sys_sendmsg (net/socket.c:2713) [ 23.477047][ T757] ? ___sys_sendmsg (net/socket.c:2767) [ 23.477049][ T757] ? __sys_sendmsg (net/socket.c:2799) [ 23.477050][ T757] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 23.477054][ T757] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 23.477057][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.477058][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.477060][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.477061][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.477062][ T757] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 23.477063][ T757] ? __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) [ 23.477065][ T757] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 23.477066][ T757] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 23.477068][ T757] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 23.477069][ T757] ? nla_get_range_signed (lib/nlattr.c:270) [ 23.477072][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.477074][ T757] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 23.477076][ T757] rtnl_newlink (net/core/rtnetlink.c:4215) [ 23.477078][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.477079][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 23.477080][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.477082][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.477083][ T757] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 23.477084][ T757] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 23.477086][ T757] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 23.477087][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.477088][ T757] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 23.477091][ T757] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 23.477094][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.477095][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.477096][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.477098][ T757] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 23.477099][ T757] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 23.477101][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 23.477102][ T757] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 23.477103][ T757] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 23.477106][ T757] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 23.477107][ T757] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 23.477109][ T757] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 23.477110][ T757] ? netlink_ack (./include/linux/skbuff.h:2718) [ 23.477112][ T757] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 23.477115][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.477116][ T757] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 23.477118][ T757] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 23.477120][ T757] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 23.477122][ T757] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 23.477124][ T757] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 23.477126][ T757] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 23.477128][ T757] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 23.477130][ T757] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 23.477131][ T757] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 23.477134][ T757] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 23.477136][ T757] ____sys_sendmsg (net/socket.c:2713) [ 23.477138][ T757] ? copy_msghdr_from_user (net/socket.c:2650) [ 23.477140][ T757] ? sock_write_iter (net/socket.c:1269) [ 23.477141][ T757] ? move_addr_to_kernel (net/socket.c:258) [ 23.477143][ T757] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 23.477145][ T757] ___sys_sendmsg (net/socket.c:2767) [ 23.477147][ T757] ? copy_msghdr_from_user (net/socket.c:2619) [ 23.477152][ T757] __sys_sendmsg (net/socket.c:2799) [ 23.477154][ T757] ? __sys_sendmsg_sock (net/socket.c:2780) [ 23.477157][ T757] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 23.477158][ T757] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 23.477160][ T757] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 23.477162][ T757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 23.477164][ T757] RIP: 0033:0x7f48c799254e [ 23.477166][ T757] 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 [ 23.477167][ T757] RSP: 002b:00007ffc97ff5d20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 23.477171][ T757] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f48c799254e [ 23.477173][ T757] RDX: 0000000000000000 RSI: 00007ffc97ff5dd0 RDI: 0000000000000005 [ 23.477173][ T757] RBP: 00007ffc97ff5d30 R08: 0000000000000000 R09: 0000000000000000 [ 23.477174][ T757] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912daa [ 23.477175][ T757] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc97ff64a0 | [ 24.544200][ T839] softirqs last disabled at (0): 0x0 | [ 24.544202][ T839] Preemption disabled at: | [ 24.544203][ T839] vprintk_emit (kernel/printk/printk.c:2471) | [ 24.544212][ T839] Tainted: [W]=WARN [ 24.544213][ T839] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.544215][ T839] Call Trace: [ 24.544216][ T839] [ 24.544218][ T839] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 24.544224][ T839] ? vprintk_emit (kernel/printk/printk.c:2471) [ 24.544225][ T839] __might_resched.cold (kernel/sched/core.c:9234) [ 24.544229][ T839] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 24.544232][ T839] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 24.544236][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544238][ T839] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 24.544241][ T839] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.544244][ T839] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.544249][ T839] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 24.544251][ T839] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 24.544253][ T839] put_chars (drivers/char/virtio_console.c:1176) [ 24.544255][ T839] ? __send_to_port (drivers/char/virtio_console.c:654) [ 24.544256][ T839] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 24.544259][ T839] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 24.544264][ T839] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 24.544266][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544267][ T839] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.544270][ T839] console_emit_next_record (kernel/printk/printk.c:3183) [ 24.544272][ T839] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 24.544274][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544275][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544276][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544277][ T839] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.544279][ T839] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 24.544281][ T839] console_flush_one_record (kernel/printk/printk.c:3268) [ 24.544284][ T839] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 24.544286][ T839] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 24.544288][ T839] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.544290][ T839] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 24.544292][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544292][ T839] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 24.544294][ T839] ? 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) [ 24.544296][ T839] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 24.544297][ T839] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 24.544299][ T839] ? vprintk_emit (kernel/printk/printk.c:2478) [ 24.544300][ T839] vprintk_emit (kernel/printk/printk.c:2479) [ 24.544302][ T839] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 24.544303][ T839] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 24.544305][ T839] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 24.544309][ T839] _printk (kernel/printk/printk.c:2504) [ 24.544312][ T839] ? snapshot_read.cold (user.c:?) [ 24.544314][ T839] ? br_multicast_flood (??:?) [ 24.544318][ T839] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 24.544320][ T839] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 24.544321][ T839] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 24.544323][ T839] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 24.544327][ T839] br_init_port (net/bridge/br_stp_if.c:39) [ 24.544328][ T839] new_nbp (net/bridge/br_if.c:449) [ 24.544331][ T839] br_add_if (net/bridge/br_if.c:592) [ 24.544333][ T839] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 24.544336][ T839] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 24.544337][ T839] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 24.544340][ T839] do_set_master (net/core/rtnetlink.c:3071) [ 24.544342][ T839] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 24.544344][ T839] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 24.544345][ T839] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 24.544346][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544347][ T839] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 24.544351][ T839] ? kasan_save_stack (mm/kasan/common.c:58) [ 24.544353][ T839] ? kasan_save_stack (mm/kasan/common.c:57) [ 24.544354][ T839] ? kasan_save_track (mm/kasan/common.c:78) [ 24.544355][ T839] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 24.544356][ T839] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 24.544357][ T839] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 24.544358][ T839] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 24.544359][ T839] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 24.544362][ T839] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 24.544363][ T839] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 24.544365][ T839] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 24.544368][ T839] ? ____sys_sendmsg (net/socket.c:2713) [ 24.544369][ T839] ? ___sys_sendmsg (net/socket.c:2767) [ 24.544370][ T839] ? __sys_sendmsg (net/socket.c:2799) [ 24.544372][ T839] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.544375][ T839] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.544378][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544379][ T839] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.544380][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544381][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544382][ T839] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 24.544384][ T839] ? __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) [ 24.544386][ T839] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 24.544387][ T839] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 24.544388][ T839] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 24.544390][ T839] ? nla_get_range_signed (lib/nlattr.c:270) [ 24.544393][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544395][ T839] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 24.544397][ T839] rtnl_newlink (net/core/rtnetlink.c:4215) [ 24.544399][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544400][ T839] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.544401][ T839] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.544403][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544404][ T839] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 24.544405][ T839] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 24.544407][ T839] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 24.544408][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544409][ T839] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 24.544412][ T839] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 24.544415][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544416][ T839] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.544417][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544418][ T839] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 24.544420][ T839] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 24.544421][ T839] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.544423][ T839] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 24.544424][ T839] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 24.544426][ T839] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 24.544428][ T839] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 24.544429][ T839] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 24.544431][ T839] ? netlink_ack (./include/linux/skbuff.h:2718) [ 24.544433][ T839] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 24.544436][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544437][ T839] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 24.544439][ T839] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 24.544441][ T839] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 24.544443][ T839] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.544445][ T839] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 24.544447][ T839] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 24.544449][ T839] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 24.544450][ T839] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 24.544452][ T839] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 24.544455][ T839] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 24.544457][ T839] ____sys_sendmsg (net/socket.c:2713) [ 24.544458][ T839] ? copy_msghdr_from_user (net/socket.c:2650) [ 24.544460][ T839] ? sock_write_iter (net/socket.c:1269) [ 24.544462][ T839] ? move_addr_to_kernel (net/socket.c:258) [ 24.544463][ T839] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 24.544466][ T839] ___sys_sendmsg (net/socket.c:2767) [ 24.544468][ T839] ? copy_msghdr_from_user (net/socket.c:2619) [ 24.544475][ T839] __sys_sendmsg (net/socket.c:2799) [ 24.544477][ T839] ? __sys_sendmsg_sock (net/socket.c:2780) [ 24.544480][ T839] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 24.544482][ T839] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 24.544484][ T839] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 24.544486][ T839] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 24.544487][ T839] RIP: 0033:0x7f6b936c654e [ 24.544489][ T839] 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 [ 24.544491][ T839] RSP: 002b:00007ffe85514e90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 24.544494][ T839] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f6b936c654e [ 24.544496][ T839] RDX: 0000000000000000 RSI: 00007ffe85514f40 RDI: 0000000000000005 [ 24.544497][ T839] RBP: 00007ffe85514ea0 R08: 0000000000000000 R09: 0000000000000000 [ 24.544498][ T839] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dab [ 24.544499][ T839] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe85515610 | [ 26.318303][ T945] softirqs last disabled at (0): 0x0 | [ 26.318304][ T945] Preemption disabled at: | [ 26.318305][ T945] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.318315][ T945] Tainted: [W]=WARN [ 26.318316][ T945] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.318317][ T945] Call Trace: [ 26.318319][ T945] [ 26.318320][ T945] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.318325][ T945] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.318327][ T945] __might_resched.cold (kernel/sched/core.c:9234) [ 26.318331][ T945] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.318334][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318337][ T945] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 26.318339][ T945] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.318342][ T945] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.318347][ T945] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 26.318349][ T945] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.318352][ T945] put_chars (drivers/char/virtio_console.c:1176) [ 26.318353][ T945] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.318354][ T945] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 26.318357][ T945] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 26.318359][ T945] ? pointer (lib/vsprintf.c:2577) [ 26.318362][ T945] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.318367][ T945] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.318369][ T945] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.318370][ T945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.318373][ T945] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.318376][ T945] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.318378][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318379][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318380][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318381][ T945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.318383][ T945] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 26.318384][ T945] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.318387][ T945] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.318389][ T945] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.318391][ T945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.318393][ T945] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.318395][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318396][ T945] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 26.318397][ T945] ? 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) [ 26.318399][ T945] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 26.318400][ T945] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.318402][ T945] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.318404][ T945] vprintk_emit (kernel/printk/printk.c:2479) [ 26.318405][ T945] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.318407][ T945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.318408][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318410][ T945] _printk (kernel/printk/printk.c:2504) [ 26.318413][ T945] ? snapshot_read.cold (user.c:?) [ 26.318415][ T945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.318416][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318417][ T945] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 26.318420][ T945] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 26.318422][ T945] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 26.318425][ T945] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 26.318428][ T945] ? netdev_notice (net/core/dev.c:13194) [ 26.318429][ T945] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 26.318431][ T945] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 26.318433][ T945] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.318435][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318435][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318437][ T945] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.318439][ T945] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 26.318441][ T945] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 26.318442][ T945] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 26.318444][ T945] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 26.318445][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318446][ T945] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 26.318448][ T945] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 26.318452][ T945] ? __kernel_text_address (kernel/extable.c:79) [ 26.318454][ T945] ? write_profile (profile.c:?) [ 26.318457][ T945] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 26.318460][ T945] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 26.318462][ T945] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 26.318464][ T945] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 26.318465][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318466][ T945] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 26.318469][ T945] ? kasan_save_stack (mm/kasan/common.c:58) [ 26.318471][ T945] ? kasan_save_stack (mm/kasan/common.c:57) [ 26.318475][ T945] ? kasan_save_track (mm/kasan/common.c:78) [ 26.318476][ T945] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 26.318477][ T945] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 26.318478][ T945] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 26.318479][ T945] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.318481][ T945] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.318483][ T945] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.318485][ T945] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.318486][ T945] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.318489][ T945] ? ____sys_sendmsg (net/socket.c:2713) [ 26.318490][ T945] ? ___sys_sendmsg (net/socket.c:2767) [ 26.318492][ T945] ? __sys_sendmsg (net/socket.c:2799) [ 26.318493][ T945] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.318496][ T945] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.318498][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318499][ T945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.318501][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318502][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318503][ T945] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 26.318504][ T945] ? __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) [ 26.318506][ T945] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 26.318507][ T945] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.318509][ T945] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 26.318510][ T945] ? nla_get_range_signed (lib/nlattr.c:270) [ 26.318513][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318514][ T945] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 26.318516][ T945] rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.318518][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318520][ T945] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.318521][ T945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.318522][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318524][ T945] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 26.318531][ T945] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 26.318533][ T945] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 26.318534][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318535][ T945] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 26.318539][ T945] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 26.318541][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318542][ T945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.318543][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318545][ T945] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.318546][ T945] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.318548][ T945] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.318549][ T945] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 26.318551][ T945] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 26.318553][ T945] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.318555][ T945] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.318556][ T945] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 26.318558][ T945] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.318559][ T945] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 26.318562][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318564][ T945] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 26.318566][ T945] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.318568][ T945] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.318570][ T945] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.318572][ T945] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.318574][ T945] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.318575][ T945] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 26.318577][ T945] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.318578][ T945] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 26.318582][ T945] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.318583][ T945] ____sys_sendmsg (net/socket.c:2713) [ 26.318585][ T945] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.318587][ T945] ? sock_write_iter (net/socket.c:1269) [ 26.318588][ T945] ? move_addr_to_kernel (net/socket.c:258) [ 26.318590][ T945] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 26.318592][ T945] ___sys_sendmsg (net/socket.c:2767) [ 26.318594][ T945] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.318599][ T945] __sys_sendmsg (net/socket.c:2799) [ 26.318601][ T945] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.318604][ T945] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.318605][ T945] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.318607][ T945] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.318609][ T945] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.318610][ T945] RIP: 0033:0x7fa2817bb54e [ 26.318612][ T945] 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 [ 26.318614][ T945] RSP: 002b:00007ffda66af570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.318618][ T945] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa2817bb54e [ 26.318619][ T945] RDX: 0000000000000000 RSI: 00007ffda66af620 RDI: 0000000000000005 [ 26.318620][ T945] RBP: 00007ffda66af580 R08: 0000000000000000 R09: 0000000000000000 [ 26.318621][ T945] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dad [ 26.318622][ T945] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda66afcf0 | [ 37.801130][ T1281] softirqs last disabled at (0): 0x0 | [ 37.801132][ T1281] Preemption disabled at: | [ 37.801133][ T1281] vprintk_emit (kernel/printk/printk.c:2471) | [ 37.801146][ T1281] Tainted: [W]=WARN [ 37.801147][ T1281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 37.801149][ T1281] Call Trace: [ 37.801151][ T1281] [ 37.801153][ T1281] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 37.801159][ T1281] ? vprintk_emit (kernel/printk/printk.c:2471) [ 37.801161][ T1281] __might_resched.cold (kernel/sched/core.c:9234) [ 37.801166][ T1281] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 37.801170][ T1281] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 37.801174][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801178][ T1281] __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)) [ 37.801181][ T1281] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 37.801185][ T1281] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.801191][ T1281] ? 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) [ 37.801194][ T1281] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 37.801198][ T1281] put_chars (drivers/char/virtio_console.c:1176) [ 37.801200][ T1281] ? __send_to_port (drivers/char/virtio_console.c:654) [ 37.801203][ T1281] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 37.801207][ T1281] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 37.801213][ T1281] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 37.801217][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801221][ T1281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.801225][ T1281] console_emit_next_record (kernel/printk/printk.c:3183) [ 37.801229][ T1281] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 37.801232][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801234][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801236][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801237][ T1281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.801240][ T1281] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 37.801243][ T1281] console_flush_one_record (kernel/printk/printk.c:3268) [ 37.801247][ T1281] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 37.801251][ T1281] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 37.801254][ T1281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.801256][ T1281] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 37.801259][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801260][ T1281] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 37.801263][ T1281] ? 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) [ 37.801265][ T1281] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 37.801268][ T1281] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 37.801271][ T1281] ? vprintk_emit (kernel/printk/printk.c:2478) [ 37.801273][ T1281] vprintk_emit (kernel/printk/printk.c:2479) [ 37.801276][ T1281] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 37.801278][ T1281] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 37.801280][ T1281] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 37.801284][ T1281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.801287][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801289][ T1281] _printk (kernel/printk/printk.c:2504) [ 37.801293][ T1281] ? snapshot_read.cold (user.c:?) [ 37.801296][ T1281] ? br_multicast_flood (??:?) [ 37.801301][ T1281] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 37.801304][ T1281] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 37.801306][ T1281] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 37.801309][ T1281] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 37.801313][ T1281] br_init_port (net/bridge/br_stp_if.c:39) [ 37.801316][ T1281] new_nbp (net/bridge/br_if.c:449) [ 37.801319][ T1281] br_add_if (net/bridge/br_if.c:592) [ 37.801322][ T1281] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 37.801325][ T1281] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 37.801327][ T1281] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 37.801331][ T1281] do_set_master (net/core/rtnetlink.c:3071) [ 37.801334][ T1281] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 37.801337][ T1281] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 37.801340][ T1281] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 37.801342][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801344][ T1281] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 37.801348][ T1281] ? kasan_save_stack (mm/kasan/common.c:58) [ 37.801351][ T1281] ? kasan_save_stack (mm/kasan/common.c:57) [ 37.801353][ T1281] ? kasan_save_track (mm/kasan/common.c:78) [ 37.801355][ T1281] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 37.801357][ T1281] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 37.801359][ T1281] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 37.801361][ T1281] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 37.801363][ T1281] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 37.801366][ T1281] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 37.801369][ T1281] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 37.801371][ T1281] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 37.801375][ T1281] ? ____sys_sendmsg (net/socket.c:2713) [ 37.801377][ T1281] ? ___sys_sendmsg (net/socket.c:2767) [ 37.801379][ T1281] ? __sys_sendmsg (net/socket.c:2799) [ 37.801381][ T1281] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.801386][ T1281] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.801390][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801392][ T1281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.801394][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801395][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801397][ T1281] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 37.801399][ T1281] ? __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) [ 37.801402][ T1281] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 37.801404][ T1281] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 37.801407][ T1281] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 37.801409][ T1281] ? nla_get_range_signed (lib/nlattr.c:270) [ 37.801413][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801416][ T1281] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 37.801419][ T1281] rtnl_newlink (net/core/rtnetlink.c:4215) [ 37.801423][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801425][ T1281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.801427][ T1281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.801429][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801431][ T1281] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 37.801433][ T1281] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 37.801435][ T1281] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 37.801438][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801440][ T1281] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 37.801444][ T1281] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 37.801447][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801449][ T1281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.801452][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801454][ T1281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 37.801456][ T1281] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 37.801459][ T1281] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.801461][ T1281] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 37.801464][ T1281] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 37.801467][ T1281] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 37.801470][ T1281] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 37.801475][ T1281] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 37.801477][ T1281] ? netlink_ack (./include/linux/skbuff.h:2718) [ 37.801480][ T1281] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 37.801484][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801486][ T1281] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 37.801489][ T1281] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 37.801493][ T1281] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 37.801495][ T1281] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.801499][ T1281] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 37.801502][ T1281] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 37.801504][ T1281] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 37.801507][ T1281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 37.801509][ T1281] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 37.801514][ T1281] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 37.801517][ T1281] ____sys_sendmsg (net/socket.c:2713) [ 37.801519][ T1281] ? copy_msghdr_from_user (net/socket.c:2650) [ 37.801522][ T1281] ? sock_write_iter (net/socket.c:1269) [ 37.801524][ T1281] ? move_addr_to_kernel (net/socket.c:258) [ 37.801526][ T1281] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 37.801531][ T1281] ___sys_sendmsg (net/socket.c:2767) [ 37.801533][ T1281] ? copy_msghdr_from_user (net/socket.c:2619) [ 37.801541][ T1281] __sys_sendmsg (net/socket.c:2799) [ 37.801545][ T1281] ? __sys_sendmsg_sock (net/socket.c:2780) [ 37.801549][ T1281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 37.801552][ T1281] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 37.801554][ T1281] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 37.801557][ T1281] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 37.801560][ T1281] RIP: 0033:0x7efcbed0654e [ 37.801563][ T1281] 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 [ 37.801565][ T1281] RSP: 002b:00007ffcb4e28e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 37.801570][ T1281] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efcbed0654e [ 37.801572][ T1281] RDX: 0000000000000000 RSI: 00007ffcb4e28f10 RDI: 0000000000000005 [ 37.801573][ T1281] RBP: 00007ffcb4e28e70 R08: 0000000000000000 R09: 0000000000000000 [ 37.801582][ T1281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912db8 [ 37.801583][ T1281] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcb4e295e0 | [ 38.918403][ T1362] softirqs last disabled at (0): 0x0 | [ 38.918405][ T1362] Preemption disabled at: | [ 38.918405][ T1362] vprintk_emit (kernel/printk/printk.c:2471) | [ 38.918415][ T1362] Tainted: [W]=WARN [ 38.918416][ T1362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.918419][ T1362] Call Trace: [ 38.918420][ T1362] [ 38.918421][ T1362] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.918427][ T1362] ? vprintk_emit (kernel/printk/printk.c:2471) [ 38.918428][ T1362] __might_resched.cold (kernel/sched/core.c:9234) [ 38.918432][ T1362] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.918435][ T1362] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 38.918439][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918441][ T1362] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 38.918444][ T1362] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.918447][ T1362] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.918452][ T1362] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 38.918453][ T1362] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.918456][ T1362] put_chars (drivers/char/virtio_console.c:1176) [ 38.918458][ T1362] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.918459][ T1362] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 38.918462][ T1362] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.918467][ T1362] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.918468][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918470][ T1362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.918475][ T1362] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.918478][ T1362] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.918480][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918481][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918482][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918483][ T1362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.918485][ T1362] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 38.918487][ T1362] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.918489][ T1362] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.918492][ T1362] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.918494][ T1362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.918495][ T1362] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.918497][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918498][ T1362] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 38.918499][ T1362] ? 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) [ 38.918501][ T1362] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 38.918502][ T1362] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.918505][ T1362] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.918506][ T1362] vprintk_emit (kernel/printk/printk.c:2479) [ 38.918508][ T1362] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.918509][ T1362] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.918511][ T1362] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 38.918514][ T1362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.918515][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918517][ T1362] _printk (kernel/printk/printk.c:2504) [ 38.918520][ T1362] ? snapshot_read.cold (user.c:?) [ 38.918522][ T1362] ? br_multicast_flood (??:?) [ 38.918525][ T1362] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 38.918528][ T1362] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 38.918529][ T1362] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.918531][ T1362] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 38.918534][ T1362] br_init_port (net/bridge/br_stp_if.c:39) [ 38.918535][ T1362] new_nbp (net/bridge/br_if.c:449) [ 38.918538][ T1362] br_add_if (net/bridge/br_if.c:592) [ 38.918540][ T1362] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 38.918542][ T1362] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 38.918544][ T1362] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 38.918547][ T1362] do_set_master (net/core/rtnetlink.c:3071) [ 38.918548][ T1362] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 38.918550][ T1362] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 38.918552][ T1362] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 38.918553][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918554][ T1362] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 38.918558][ T1362] ? kasan_save_stack (mm/kasan/common.c:58) [ 38.918560][ T1362] ? kasan_save_stack (mm/kasan/common.c:57) [ 38.918561][ T1362] ? kasan_save_track (mm/kasan/common.c:78) [ 38.918562][ T1362] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 38.918563][ T1362] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 38.918564][ T1362] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 38.918565][ T1362] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.918566][ T1362] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.918569][ T1362] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.918571][ T1362] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.918572][ T1362] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 38.918575][ T1362] ? ____sys_sendmsg (net/socket.c:2713) [ 38.918576][ T1362] ? ___sys_sendmsg (net/socket.c:2767) [ 38.918578][ T1362] ? __sys_sendmsg (net/socket.c:2799) [ 38.918587][ T1362] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.918591][ T1362] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.918593][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918594][ T1362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.918596][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918597][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918598][ T1362] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 38.918600][ T1362] ? __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) [ 38.918601][ T1362] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 38.918603][ T1362] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.918604][ T1362] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 38.918605][ T1362] ? nla_get_range_signed (lib/nlattr.c:270) [ 38.918609][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918610][ T1362] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 38.918612][ T1362] rtnl_newlink (net/core/rtnetlink.c:4215) [ 38.918614][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918615][ T1362] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.918617][ T1362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.918618][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918619][ T1362] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 38.918621][ T1362] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 38.918622][ T1362] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 38.918623][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918624][ T1362] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 38.918628][ T1362] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 38.918630][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918631][ T1362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.918632][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918634][ T1362] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.918635][ T1362] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.918637][ T1362] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.918638][ T1362] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 38.918639][ T1362] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 38.918642][ T1362] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.918643][ T1362] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.918645][ T1362] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 38.918646][ T1362] ? netlink_ack (./include/linux/skbuff.h:2718) [ 38.918648][ T1362] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 38.918651][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918652][ T1362] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 38.918654][ T1362] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.918656][ T1362] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.918658][ T1362] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.918660][ T1362] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.918662][ T1362] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.918664][ T1362] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 38.918665][ T1362] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.918667][ T1362] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 38.918670][ T1362] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 38.918672][ T1362] ____sys_sendmsg (net/socket.c:2713) [ 38.918673][ T1362] ? copy_msghdr_from_user (net/socket.c:2650) [ 38.918675][ T1362] ? sock_write_iter (net/socket.c:1269) [ 38.918676][ T1362] ? move_addr_to_kernel (net/socket.c:258) [ 38.918678][ T1362] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 38.918681][ T1362] ___sys_sendmsg (net/socket.c:2767) [ 38.918682][ T1362] ? copy_msghdr_from_user (net/socket.c:2619) [ 38.918687][ T1362] __sys_sendmsg (net/socket.c:2799) [ 38.918689][ T1362] ? __sys_sendmsg_sock (net/socket.c:2780) [ 38.918692][ T1362] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.918693][ T1362] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.918695][ T1362] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.918697][ T1362] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.918699][ T1362] RIP: 0033:0x7f634ecba54e [ 38.918701][ T1362] 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 [ 38.918703][ T1362] RSP: 002b:00007fffdd7caca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.918707][ T1362] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f634ecba54e [ 38.918708][ T1362] RDX: 0000000000000000 RSI: 00007fffdd7cad50 RDI: 0000000000000005 [ 38.918709][ T1362] RBP: 00007fffdd7cacb0 R08: 0000000000000000 R09: 0000000000000000 [ 38.918710][ T1362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dba [ 38.918710][ T1362] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffdd7cb420 | [ 40.184123][ T1463] softirqs last disabled at (0): 0x0 | [ 40.184125][ T1463] Preemption disabled at: | [ 40.184126][ T1463] vprintk_emit (kernel/printk/printk.c:2471) | [ 40.184136][ T1463] Tainted: [W]=WARN [ 40.184137][ T1463] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 40.184139][ T1463] Call Trace: [ 40.184140][ T1463] [ 40.184141][ T1463] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 40.184147][ T1463] ? vprintk_emit (kernel/printk/printk.c:2471) [ 40.184148][ T1463] __might_resched.cold (kernel/sched/core.c:9234) [ 40.184152][ T1463] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 40.184155][ T1463] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 40.184158][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184161][ T1463] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 40.184163][ T1463] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.184166][ T1463] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.184171][ T1463] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 40.184173][ T1463] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 40.184175][ T1463] put_chars (drivers/char/virtio_console.c:1176) [ 40.184177][ T1463] ? __send_to_port (drivers/char/virtio_console.c:654) [ 40.184178][ T1463] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 40.184181][ T1463] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 40.184185][ T1463] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 40.184187][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184188][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.184190][ T1463] console_emit_next_record (kernel/printk/printk.c:3183) [ 40.184193][ T1463] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 40.184195][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184196][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184197][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184198][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.184200][ T1463] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 40.184201][ T1463] console_flush_one_record (kernel/printk/printk.c:3268) [ 40.184204][ T1463] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 40.184206][ T1463] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 40.184208][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.184210][ T1463] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 40.184211][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184212][ T1463] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.184214][ T1463] ? 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) [ 40.184215][ T1463] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 40.184216][ T1463] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 40.184219][ T1463] ? vprintk_emit (kernel/printk/printk.c:2478) [ 40.184221][ T1463] vprintk_emit (kernel/printk/printk.c:2479) [ 40.184223][ T1463] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 40.184224][ T1463] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 40.184225][ T1463] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 40.184229][ T1463] _printk (kernel/printk/printk.c:2504) [ 40.184232][ T1463] ? snapshot_read.cold (user.c:?) [ 40.184234][ T1463] ? br_multicast_flood (??:?) [ 40.184237][ T1463] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 40.184240][ T1463] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 40.184241][ T1463] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 40.184243][ T1463] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 40.184246][ T1463] br_init_port (net/bridge/br_stp_if.c:39) [ 40.184247][ T1463] new_nbp (net/bridge/br_if.c:449) [ 40.184250][ T1463] br_add_if (net/bridge/br_if.c:592) [ 40.184251][ T1463] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 40.184254][ T1463] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 40.184255][ T1463] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 40.184258][ T1463] do_set_master (net/core/rtnetlink.c:3071) [ 40.184260][ T1463] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 40.184262][ T1463] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 40.184263][ T1463] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 40.184264][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184265][ T1463] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 40.184269][ T1463] ? kasan_save_stack (mm/kasan/common.c:58) [ 40.184271][ T1463] ? kasan_save_stack (mm/kasan/common.c:57) [ 40.184272][ T1463] ? kasan_save_track (mm/kasan/common.c:78) [ 40.184273][ T1463] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 40.184274][ T1463] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 40.184275][ T1463] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 40.184276][ T1463] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 40.184277][ T1463] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 40.184280][ T1463] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 40.184281][ T1463] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 40.184282][ T1463] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 40.184285][ T1463] ? ____sys_sendmsg (net/socket.c:2713) [ 40.184286][ T1463] ? ___sys_sendmsg (net/socket.c:2767) [ 40.184288][ T1463] ? __sys_sendmsg (net/socket.c:2799) [ 40.184289][ T1463] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 40.184293][ T1463] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.184295][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184296][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.184297][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184298][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184299][ T1463] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 40.184301][ T1463] ? __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) [ 40.184302][ T1463] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 40.184304][ T1463] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 40.184305][ T1463] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 40.184306][ T1463] ? nla_get_range_signed (lib/nlattr.c:270) [ 40.184310][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184311][ T1463] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 40.184313][ T1463] rtnl_newlink (net/core/rtnetlink.c:4215) [ 40.184315][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184316][ T1463] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 40.184317][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.184318][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184320][ T1463] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 40.184321][ T1463] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 40.184322][ T1463] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 40.184324][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184325][ T1463] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 40.184328][ T1463] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 40.184330][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184331][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.184333][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184334][ T1463] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 40.184335][ T1463] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 40.184336][ T1463] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.184338][ T1463] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 40.184339][ T1463] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 40.184341][ T1463] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 40.184343][ T1463] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 40.184344][ T1463] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.184346][ T1463] ? netlink_ack (./include/linux/skbuff.h:2718) [ 40.184347][ T1463] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 40.184350][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184351][ T1463] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 40.184353][ T1463] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 40.184355][ T1463] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 40.184357][ T1463] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.184359][ T1463] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 40.184361][ T1463] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 40.184362][ T1463] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 40.184364][ T1463] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 40.184365][ T1463] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 40.184368][ T1463] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 40.184370][ T1463] ____sys_sendmsg (net/socket.c:2713) [ 40.184372][ T1463] ? copy_msghdr_from_user (net/socket.c:2650) [ 40.184373][ T1463] ? sock_write_iter (net/socket.c:1269) [ 40.184375][ T1463] ? move_addr_to_kernel (net/socket.c:258) [ 40.184376][ T1463] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 40.184378][ T1463] ___sys_sendmsg (net/socket.c:2767) [ 40.184380][ T1463] ? copy_msghdr_from_user (net/socket.c:2619) [ 40.184385][ T1463] __sys_sendmsg (net/socket.c:2799) [ 40.184387][ T1463] ? __sys_sendmsg_sock (net/socket.c:2780) [ 40.184389][ T1463] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 40.184391][ T1463] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 40.184392][ T1463] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 40.184394][ T1463] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 40.184396][ T1463] RIP: 0033:0x7f123d28054e [ 40.184398][ T1463] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 40.184399][ T1463] RSP: 002b:00007fff51729510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 40.184403][ T1463] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f123d28054e [ 40.184405][ T1463] RDX: 0000000000000000 RSI: 00007fff517295c0 RDI: 0000000000000005 [ 40.184406][ T1463] RBP: 00007fff51729520 R08: 0000000000000000 R09: 0000000000000000 [ 40.184406][ T1463] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dbb [ 40.184407][ T1463] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff51729c90 | [ 41.220700][ T1545] softirqs last disabled at (0): 0x0 | [ 41.220702][ T1545] Preemption disabled at: | [ 41.220703][ T1545] vprintk_emit (kernel/printk/printk.c:2471) | [ 41.220713][ T1545] Tainted: [W]=WARN [ 41.220714][ T1545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 41.220716][ T1545] Call Trace: [ 41.220717][ T1545] [ 41.220718][ T1545] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 41.220724][ T1545] ? vprintk_emit (kernel/printk/printk.c:2471) [ 41.220725][ T1545] __might_resched.cold (kernel/sched/core.c:9234) [ 41.220728][ T1545] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 41.220732][ T1545] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 41.220735][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220738][ T1545] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 41.220740][ T1545] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.220743][ T1545] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.220748][ T1545] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 41.220749][ T1545] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 41.220752][ T1545] put_chars (drivers/char/virtio_console.c:1176) [ 41.220753][ T1545] ? __send_to_port (drivers/char/virtio_console.c:654) [ 41.220755][ T1545] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 41.220758][ T1545] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 41.220762][ T1545] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 41.220764][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220765][ T1545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.220767][ T1545] console_emit_next_record (kernel/printk/printk.c:3183) [ 41.220770][ T1545] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 41.220772][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220773][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220774][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220775][ T1545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.220776][ T1545] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 41.220778][ T1545] console_flush_one_record (kernel/printk/printk.c:3268) [ 41.220780][ T1545] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 41.220783][ T1545] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 41.220785][ T1545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.220786][ T1545] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 41.220788][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220789][ T1545] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.220790][ T1545] ? 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) [ 41.220792][ T1545] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 41.220793][ T1545] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 41.220795][ T1545] ? vprintk_emit (kernel/printk/printk.c:2478) [ 41.220796][ T1545] vprintk_emit (kernel/printk/printk.c:2479) [ 41.220798][ T1545] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 41.220799][ T1545] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 41.220801][ T1545] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 41.220804][ T1545] _printk (kernel/printk/printk.c:2504) [ 41.220807][ T1545] ? snapshot_read.cold (user.c:?) [ 41.220809][ T1545] ? br_multicast_flood (??:?) [ 41.220812][ T1545] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 41.220815][ T1545] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 41.220816][ T1545] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.220818][ T1545] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 41.220821][ T1545] br_init_port (net/bridge/br_stp_if.c:39) [ 41.220823][ T1545] new_nbp (net/bridge/br_if.c:449) [ 41.220825][ T1545] br_add_if (net/bridge/br_if.c:592) [ 41.220827][ T1545] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 41.220830][ T1545] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 41.220831][ T1545] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 41.220834][ T1545] do_set_master (net/core/rtnetlink.c:3071) [ 41.220836][ T1545] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 41.220837][ T1545] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 41.220839][ T1545] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 41.220840][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220841][ T1545] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 41.220844][ T1545] ? kasan_save_stack (mm/kasan/common.c:58) [ 41.220846][ T1545] ? kasan_save_stack (mm/kasan/common.c:57) [ 41.220847][ T1545] ? kasan_save_track (mm/kasan/common.c:78) [ 41.220848][ T1545] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 41.220849][ T1545] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 41.220850][ T1545] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 41.220851][ T1545] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.220852][ T1545] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.220855][ T1545] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.220856][ T1545] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.220858][ T1545] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 41.220860][ T1545] ? ____sys_sendmsg (net/socket.c:2713) [ 41.220862][ T1545] ? ___sys_sendmsg (net/socket.c:2767) [ 41.220863][ T1545] ? __sys_sendmsg (net/socket.c:2799) [ 41.220865][ T1545] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.220868][ T1545] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.220870][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220871][ T1545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.220873][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220874][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220875][ T1545] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 41.220876][ T1545] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 41.220878][ T1545] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 41.220879][ T1545] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 41.220880][ T1545] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 41.220881][ T1545] ? nla_get_range_signed (lib/nlattr.c:270) [ 41.220885][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220886][ T1545] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 41.220888][ T1545] rtnl_newlink (net/core/rtnetlink.c:4215) [ 41.220890][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220891][ T1545] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.220892][ T1545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.220894][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220895][ T1545] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 41.220896][ T1545] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 41.220897][ T1545] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 41.220899][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220900][ T1545] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 41.220903][ T1545] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 41.220905][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220906][ T1545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.220908][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220909][ T1545] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 41.220910][ T1545] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 41.220911][ T1545] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.220913][ T1545] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 41.220914][ T1545] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 41.220916][ T1545] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 41.220918][ T1545] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 41.220919][ T1545] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.220921][ T1545] ? netlink_ack (./include/linux/skbuff.h:2718) [ 41.220922][ T1545] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 41.220925][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220926][ T1545] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 41.220928][ T1545] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 41.220930][ T1545] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 41.220932][ T1545] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.220934][ T1545] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 41.220936][ T1545] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 41.220937][ T1545] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 41.220939][ T1545] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 41.220940][ T1545] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 41.220943][ T1545] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 41.220945][ T1545] ____sys_sendmsg (net/socket.c:2713) [ 41.220947][ T1545] ? copy_msghdr_from_user (net/socket.c:2650) [ 41.220948][ T1545] ? sock_write_iter (net/socket.c:1269) [ 41.220950][ T1545] ? move_addr_to_kernel (net/socket.c:258) [ 41.220951][ T1545] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 41.220954][ T1545] ___sys_sendmsg (net/socket.c:2767) [ 41.220955][ T1545] ? copy_msghdr_from_user (net/socket.c:2619) [ 41.220960][ T1545] __sys_sendmsg (net/socket.c:2799) [ 41.220962][ T1545] ? __sys_sendmsg_sock (net/socket.c:2780) [ 41.220965][ T1545] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 41.220966][ T1545] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 41.220968][ T1545] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 41.220970][ T1545] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 41.220971][ T1545] RIP: 0033:0x7f7e2086f54e [ 41.220973][ T1545] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 41.220974][ T1545] RSP: 002b:00007ffebeb3e550 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 41.220978][ T1545] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7e2086f54e [ 41.220979][ T1545] RDX: 0000000000000000 RSI: 00007ffebeb3e600 RDI: 0000000000000005 [ 41.220980][ T1545] RBP: 00007ffebeb3e560 R08: 0000000000000000 R09: 0000000000000000 [ 41.220981][ T1545] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dbc [ 41.220982][ T1545] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffebeb3ecd0 | [ 42.955866][ T1651] softirqs last disabled at (0): 0x0 | [ 42.955868][ T1651] Preemption disabled at: | [ 42.955868][ T1651] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.955878][ T1651] Tainted: [W]=WARN [ 42.955879][ T1651] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.955881][ T1651] Call Trace: [ 42.955882][ T1651] [ 42.955883][ T1651] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.955889][ T1651] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.955890][ T1651] __might_resched.cold (kernel/sched/core.c:9234) [ 42.955894][ T1651] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.955897][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.955900][ T1651] __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)) [ 42.955903][ T1651] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.955906][ T1651] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.955911][ T1651] ? 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) [ 42.955912][ T1651] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.955915][ T1651] put_chars (drivers/char/virtio_console.c:1176) [ 42.955916][ T1651] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.955917][ T1651] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 42.955920][ T1651] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 42.955922][ T1651] ? pointer (lib/vsprintf.c:2577) [ 42.955925][ T1651] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.955930][ T1651] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.955931][ T1651] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.955933][ T1651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.955935][ T1651] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.955938][ T1651] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.955940][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.955941][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.955942][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.955943][ T1651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.955945][ T1651] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 42.955947][ T1651] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.955949][ T1651] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.955951][ T1651] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.955953][ T1651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.955955][ T1651] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.955956][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.955957][ T1651] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.955959][ T1651] ? 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) [ 42.955960][ T1651] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 42.955962][ T1651] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.955964][ T1651] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.955965][ T1651] vprintk_emit (kernel/printk/printk.c:2479) [ 42.955967][ T1651] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.955968][ T1651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.955969][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.955971][ T1651] _printk (kernel/printk/printk.c:2504) [ 42.955974][ T1651] ? snapshot_read.cold (user.c:?) [ 42.955976][ T1651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.955977][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.955978][ T1651] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 42.955981][ T1651] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 42.955983][ T1651] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 42.955986][ T1651] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 42.955988][ T1651] ? netdev_notice (net/core/dev.c:13194) [ 42.955990][ T1651] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.955991][ T1651] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 42.955993][ T1651] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.955995][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.955996][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.955997][ T1651] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 42.956000][ T1651] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 42.956001][ T1651] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 42.956002][ T1651] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 42.956003][ T1651] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 42.956005][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956006][ T1651] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.956008][ T1651] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 42.956011][ T1651] ? __kernel_text_address (kernel/extable.c:79) [ 42.956013][ T1651] ? write_profile (profile.c:?) [ 42.956016][ T1651] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 42.956020][ T1651] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 42.956022][ T1651] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 42.956023][ T1651] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 42.956024][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956025][ T1651] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 42.956028][ T1651] ? kasan_save_stack (mm/kasan/common.c:58) [ 42.956030][ T1651] ? kasan_save_stack (mm/kasan/common.c:57) [ 42.956031][ T1651] ? kasan_save_track (mm/kasan/common.c:78) [ 42.956032][ T1651] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 42.956033][ T1651] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 42.956035][ T1651] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 42.956036][ T1651] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.956037][ T1651] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.956040][ T1651] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.956041][ T1651] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.956042][ T1651] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 42.956045][ T1651] ? ____sys_sendmsg (net/socket.c:2713) [ 42.956046][ T1651] ? ___sys_sendmsg (net/socket.c:2767) [ 42.956047][ T1651] ? __sys_sendmsg (net/socket.c:2799) [ 42.956049][ T1651] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.956051][ T1651] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.956054][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956055][ T1651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.956056][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956057][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956058][ T1651] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 42.956059][ T1651] ? __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) [ 42.956061][ T1651] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.956062][ T1651] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.956064][ T1651] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 42.956065][ T1651] ? nla_get_range_signed (lib/nlattr.c:270) [ 42.956068][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956069][ T1651] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 42.956071][ T1651] rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.956073][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956074][ T1651] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.956075][ T1651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.956077][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956078][ T1651] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 42.956080][ T1651] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 42.956082][ T1651] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 42.956083][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956084][ T1651] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 42.956087][ T1651] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 42.956089][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956090][ T1651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.956092][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956093][ T1651] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.956094][ T1651] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.956096][ T1651] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.956097][ T1651] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 42.956099][ T1651] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 42.956101][ T1651] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.956102][ T1651] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.956104][ T1651] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.956105][ T1651] ? netlink_ack (./include/linux/skbuff.h:2718) [ 42.956107][ T1651] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 42.956110][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956111][ T1651] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.956113][ T1651] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.956115][ T1651] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 42.956117][ T1651] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.956119][ T1651] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.956121][ T1651] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 42.956122][ T1651] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 42.956124][ T1651] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.956125][ T1651] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 42.956128][ T1651] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 42.956130][ T1651] ____sys_sendmsg (net/socket.c:2713) [ 42.956132][ T1651] ? copy_msghdr_from_user (net/socket.c:2650) [ 42.956133][ T1651] ? sock_write_iter (net/socket.c:1269) [ 42.956135][ T1651] ? move_addr_to_kernel (net/socket.c:258) [ 42.956136][ T1651] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 42.956139][ T1651] ___sys_sendmsg (net/socket.c:2767) [ 42.956140][ T1651] ? copy_msghdr_from_user (net/socket.c:2619) [ 42.956145][ T1651] __sys_sendmsg (net/socket.c:2799) [ 42.956147][ T1651] ? __sys_sendmsg_sock (net/socket.c:2780) [ 42.956150][ T1651] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.956151][ T1651] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.956153][ T1651] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 42.956155][ T1651] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.956156][ T1651] RIP: 0033:0x7ff849f5354e [ 42.956158][ T1651] 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 [ 42.956159][ T1651] RSP: 002b:00007ffdd6b06880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.956163][ T1651] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff849f5354e [ 42.956164][ T1651] RDX: 0000000000000000 RSI: 00007ffdd6b06930 RDI: 0000000000000005 [ 42.956165][ T1651] RBP: 00007ffdd6b06890 R08: 0000000000000000 R09: 0000000000000000 [ 42.956166][ T1651] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dbe [ 42.956167][ T1651] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdd6b07000 | [ 54.343894][ T1986] softirqs last disabled at (0): 0x0 | [ 54.343896][ T1986] Preemption disabled at: | [ 54.343896][ T1986] vprintk_emit (kernel/printk/printk.c:2471) | [ 54.343906][ T1986] Tainted: [W]=WARN [ 54.343907][ T1986] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 54.343909][ T1986] Call Trace: [ 54.343911][ T1986] [ 54.343912][ T1986] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 54.343918][ T1986] ? vprintk_emit (kernel/printk/printk.c:2471) [ 54.343919][ T1986] __might_resched.cold (kernel/sched/core.c:9234) [ 54.343923][ T1986] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 54.343926][ T1986] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 54.343930][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.343932][ T1986] __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)) [ 54.343935][ T1986] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 54.343938][ T1986] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 54.343943][ T1986] ? 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) [ 54.343945][ T1986] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 54.343947][ T1986] put_chars (drivers/char/virtio_console.c:1176) [ 54.343949][ T1986] ? __send_to_port (drivers/char/virtio_console.c:654) [ 54.343950][ T1986] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 54.343953][ T1986] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 54.343958][ T1986] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 54.343960][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.343961][ T1986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.343963][ T1986] console_emit_next_record (kernel/printk/printk.c:3183) [ 54.343966][ T1986] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 54.343968][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.343969][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.343970][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.343971][ T1986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.343973][ T1986] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 54.343975][ T1986] console_flush_one_record (kernel/printk/printk.c:3268) [ 54.343977][ T1986] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 54.343980][ T1986] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 54.343982][ T1986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.343983][ T1986] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 54.343985][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.343986][ T1986] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 54.343987][ T1986] ? 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) [ 54.343989][ T1986] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 54.343990][ T1986] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 54.343992][ T1986] ? vprintk_emit (kernel/printk/printk.c:2478) [ 54.343994][ T1986] vprintk_emit (kernel/printk/printk.c:2479) [ 54.343995][ T1986] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 54.343997][ T1986] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 54.343998][ T1986] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 54.344001][ T1986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.344003][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.344004][ T1986] _printk (kernel/printk/printk.c:2504) [ 54.344008][ T1986] ? snapshot_read.cold (user.c:?) [ 54.344010][ T1986] ? br_multicast_flood (??:?) [ 54.344013][ T1986] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 54.344016][ T1986] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 54.344017][ T1986] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 54.344019][ T1986] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 54.344022][ T1986] br_init_port (net/bridge/br_stp_if.c:39) [ 54.344024][ T1986] new_nbp (net/bridge/br_if.c:449) [ 54.344026][ T1986] br_add_if (net/bridge/br_if.c:592) [ 54.344028][ T1986] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 54.344031][ T1986] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 54.344032][ T1986] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 54.344035][ T1986] do_set_master (net/core/rtnetlink.c:3071) [ 54.344037][ T1986] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 54.344039][ T1986] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 54.344040][ T1986] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 54.344041][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.344042][ T1986] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 54.344046][ T1986] ? kasan_save_stack (mm/kasan/common.c:58) [ 54.344048][ T1986] ? kasan_save_stack (mm/kasan/common.c:57) [ 54.344049][ T1986] ? kasan_save_track (mm/kasan/common.c:78) [ 54.344050][ T1986] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 54.344051][ T1986] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 54.344052][ T1986] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 54.344053][ T1986] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 54.344054][ T1986] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 54.344057][ T1986] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 54.344059][ T1986] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 54.344060][ T1986] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 54.344063][ T1986] ? ____sys_sendmsg (net/socket.c:2713) [ 54.344064][ T1986] ? ___sys_sendmsg (net/socket.c:2767) [ 54.344066][ T1986] ? __sys_sendmsg (net/socket.c:2799) [ 54.344067][ T1986] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 54.344071][ T1986] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 54.344073][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.344074][ T1986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.344076][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.344076][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.344078][ T1986] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 54.344079][ T1986] ? __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) [ 54.344081][ T1986] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 54.344082][ T1986] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 54.344083][ T1986] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 54.344084][ T1986] ? nla_get_range_signed (lib/nlattr.c:270) [ 54.344088][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.344089][ T1986] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 54.344091][ T1986] rtnl_newlink (net/core/rtnetlink.c:4215) [ 54.344093][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.344094][ T1986] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 54.344095][ T1986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.344097][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.344098][ T1986] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 54.344099][ T1986] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 54.344101][ T1986] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 54.344102][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.344103][ T1986] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 54.344106][ T1986] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 54.344109][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.344110][ T1986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.344111][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.344112][ T1986] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 54.344114][ T1986] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 54.344115][ T1986] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 54.344117][ T1986] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 54.344118][ T1986] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 54.344120][ T1986] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 54.344122][ T1986] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 54.344123][ T1986] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 54.344125][ T1986] ? netlink_ack (./include/linux/skbuff.h:2718) [ 54.344126][ T1986] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 54.344130][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.344131][ T1986] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 54.344133][ T1986] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 54.344135][ T1986] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 54.344137][ T1986] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 54.344138][ T1986] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 54.344141][ T1986] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 54.344142][ T1986] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 54.344144][ T1986] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.344145][ T1986] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 54.344149][ T1986] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 54.344150][ T1986] ____sys_sendmsg (net/socket.c:2713) [ 54.344152][ T1986] ? copy_msghdr_from_user (net/socket.c:2650) [ 54.344154][ T1986] ? sock_write_iter (net/socket.c:1269) [ 54.344155][ T1986] ? move_addr_to_kernel (net/socket.c:258) [ 54.344157][ T1986] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 54.344160][ T1986] ___sys_sendmsg (net/socket.c:2767) [ 54.344161][ T1986] ? copy_msghdr_from_user (net/socket.c:2619) [ 54.344166][ T1986] __sys_sendmsg (net/socket.c:2799) [ 54.344179][ T1986] ? __sys_sendmsg_sock (net/socket.c:2780) [ 54.344182][ T1986] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.344183][ T1986] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 54.344185][ T1986] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 54.344187][ T1986] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 54.344188][ T1986] RIP: 0033:0x7fd40110554e [ 54.344190][ T1986] 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 [ 54.344192][ T1986] RSP: 002b:00007ffefea15780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 54.344196][ T1986] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd40110554e [ 54.344197][ T1986] RDX: 0000000000000000 RSI: 00007ffefea15830 RDI: 0000000000000005 [ 54.344198][ T1986] RBP: 00007ffefea15790 R08: 0000000000000000 R09: 0000000000000000 [ 54.344199][ T1986] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dc9 [ 54.344200][ T1986] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffefea15f00 | [ 55.363946][ T2066] softirqs last disabled at (0): 0x0 | [ 55.363947][ T2066] Preemption disabled at: | [ 55.363948][ T2066] vprintk_emit (kernel/printk/printk.c:2471) | [ 55.363958][ T2066] Tainted: [W]=WARN [ 55.363959][ T2066] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 55.363961][ T2066] Call Trace: [ 55.363962][ T2066] [ 55.363963][ T2066] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 55.363969][ T2066] ? vprintk_emit (kernel/printk/printk.c:2471) [ 55.363970][ T2066] __might_resched.cold (kernel/sched/core.c:9234) [ 55.363973][ T2066] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 55.363977][ T2066] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 55.363980][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.363982][ T2066] __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)) [ 55.363985][ T2066] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.363987][ T2066] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 55.363992][ T2066] ? 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) [ 55.363994][ T2066] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 55.363996][ T2066] put_chars (drivers/char/virtio_console.c:1176) [ 55.363998][ T2066] ? __send_to_port (drivers/char/virtio_console.c:654) [ 55.363999][ T2066] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 55.364002][ T2066] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 55.364007][ T2066] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 55.364008][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364010][ T2066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.364012][ T2066] console_emit_next_record (kernel/printk/printk.c:3183) [ 55.364015][ T2066] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 55.364017][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364018][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364019][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364020][ T2066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.364021][ T2066] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 55.364023][ T2066] console_flush_one_record (kernel/printk/printk.c:3268) [ 55.364025][ T2066] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 55.364028][ T2066] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 55.364030][ T2066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.364031][ T2066] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 55.364033][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364034][ T2066] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 55.364035][ T2066] ? 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) [ 55.364037][ T2066] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 55.364038][ T2066] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 55.364040][ T2066] ? vprintk_emit (kernel/printk/printk.c:2478) [ 55.364041][ T2066] vprintk_emit (kernel/printk/printk.c:2479) [ 55.364043][ T2066] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 55.364044][ T2066] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 55.364046][ T2066] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 55.364048][ T2066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.364050][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364051][ T2066] _printk (kernel/printk/printk.c:2504) [ 55.364054][ T2066] ? snapshot_read.cold (user.c:?) [ 55.364056][ T2066] ? br_multicast_flood (??:?) [ 55.364059][ T2066] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 55.364062][ T2066] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 55.364063][ T2066] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 55.364065][ T2066] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 55.364068][ T2066] br_init_port (net/bridge/br_stp_if.c:39) [ 55.364069][ T2066] new_nbp (net/bridge/br_if.c:449) [ 55.364071][ T2066] br_add_if (net/bridge/br_if.c:592) [ 55.364073][ T2066] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 55.364076][ T2066] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 55.364077][ T2066] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 55.364080][ T2066] do_set_master (net/core/rtnetlink.c:3071) [ 55.364082][ T2066] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 55.364083][ T2066] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 55.364085][ T2066] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 55.364086][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364087][ T2066] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 55.364090][ T2066] ? kasan_save_stack (mm/kasan/common.c:58) [ 55.364092][ T2066] ? kasan_save_stack (mm/kasan/common.c:57) [ 55.364093][ T2066] ? kasan_save_track (mm/kasan/common.c:78) [ 55.364094][ T2066] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 55.364095][ T2066] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 55.364096][ T2066] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 55.364097][ T2066] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 55.364098][ T2066] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 55.364101][ T2066] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 55.364102][ T2066] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 55.364104][ T2066] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 55.364107][ T2066] ? ____sys_sendmsg (net/socket.c:2713) [ 55.364108][ T2066] ? ___sys_sendmsg (net/socket.c:2767) [ 55.364109][ T2066] ? __sys_sendmsg (net/socket.c:2799) [ 55.364111][ T2066] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 55.364114][ T2066] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 55.364116][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364117][ T2066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.364119][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364120][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364121][ T2066] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 55.364123][ T2066] ? __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) [ 55.364124][ T2066] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 55.364125][ T2066] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 55.364127][ T2066] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 55.364128][ T2066] ? nla_get_range_signed (lib/nlattr.c:270) [ 55.364131][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364132][ T2066] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 55.364134][ T2066] rtnl_newlink (net/core/rtnetlink.c:4215) [ 55.364136][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364137][ T2066] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 55.364138][ T2066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.364140][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364141][ T2066] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 55.364142][ T2066] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 55.364143][ T2066] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 55.364145][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364146][ T2066] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 55.364149][ T2066] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 55.364151][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364152][ T2066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.364154][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364155][ T2066] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 55.364156][ T2066] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 55.364157][ T2066] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 55.364159][ T2066] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 55.364160][ T2066] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 55.364162][ T2066] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 55.364164][ T2066] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 55.364165][ T2066] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 55.364167][ T2066] ? netlink_ack (./include/linux/skbuff.h:2718) [ 55.364168][ T2066] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 55.364171][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364172][ T2066] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 55.364174][ T2066] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 55.364176][ T2066] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 55.364178][ T2066] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 55.364180][ T2066] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 55.364182][ T2066] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 55.364183][ T2066] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 55.364185][ T2066] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 55.364186][ T2066] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 55.364189][ T2066] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 55.364191][ T2066] ____sys_sendmsg (net/socket.c:2713) [ 55.364192][ T2066] ? copy_msghdr_from_user (net/socket.c:2650) [ 55.364194][ T2066] ? sock_write_iter (net/socket.c:1269) [ 55.364195][ T2066] ? move_addr_to_kernel (net/socket.c:258) [ 55.364197][ T2066] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 55.364199][ T2066] ___sys_sendmsg (net/socket.c:2767) [ 55.364201][ T2066] ? copy_msghdr_from_user (net/socket.c:2619) [ 55.364206][ T2066] __sys_sendmsg (net/socket.c:2799) [ 55.364208][ T2066] ? __sys_sendmsg_sock (net/socket.c:2780) [ 55.364210][ T2066] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 55.364212][ T2066] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 55.364213][ T2066] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 55.364215][ T2066] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 55.364217][ T2066] RIP: 0033:0x7f846a7f154e [ 55.364219][ T2066] 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 [ 55.364220][ T2066] RSP: 002b:00007fff152bae50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 55.364224][ T2066] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f846a7f154e [ 55.364225][ T2066] RDX: 0000000000000000 RSI: 00007fff152baf00 RDI: 0000000000000005 [ 55.364226][ T2066] RBP: 00007fff152bae60 R08: 0000000000000000 R09: 0000000000000000 [ 55.364227][ T2066] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dca [ 55.364228][ T2066] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff152bb5d0 | [ 56.600892][ T2162] softirqs last disabled at (0): 0x0 | [ 56.600895][ T2162] Preemption disabled at: | [ 56.600895][ T2162] vprintk_emit (kernel/printk/printk.c:2471) | [ 56.600908][ T2162] Tainted: [W]=WARN [ 56.600909][ T2162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.600911][ T2162] Call Trace: [ 56.600913][ T2162] [ 56.600915][ T2162] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 56.600921][ T2162] ? vprintk_emit (kernel/printk/printk.c:2471) [ 56.600923][ T2162] __might_resched.cold (kernel/sched/core.c:9234) [ 56.600927][ T2162] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.600931][ T2162] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 56.600936][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.600939][ T2162] __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)) [ 56.600942][ T2162] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.600946][ T2162] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.600952][ T2162] ? 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) [ 56.600954][ T2162] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.600957][ T2162] put_chars (drivers/char/virtio_console.c:1176) [ 56.600960][ T2162] ? __send_to_port (drivers/char/virtio_console.c:654) [ 56.600962][ T2162] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 56.600966][ T2162] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 56.600972][ T2162] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 56.600974][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.600976][ T2162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.600980][ T2162] console_emit_next_record (kernel/printk/printk.c:3183) [ 56.600984][ T2162] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 56.600986][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.600988][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.600989][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.600991][ T2162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.600994][ T2162] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 56.600996][ T2162] console_flush_one_record (kernel/printk/printk.c:3268) [ 56.601000][ T2162] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 56.601004][ T2162] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 56.601006][ T2162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.601008][ T2162] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 56.601011][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.601012][ T2162] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.601014][ T2162] ? 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) [ 56.601017][ T2162] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 56.601019][ T2162] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 56.601022][ T2162] ? vprintk_emit (kernel/printk/printk.c:2478) [ 56.601024][ T2162] vprintk_emit (kernel/printk/printk.c:2479) [ 56.601026][ T2162] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 56.601028][ T2162] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 56.601030][ T2162] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 56.601035][ T2162] _printk (kernel/printk/printk.c:2504) [ 56.601038][ T2162] ? snapshot_read.cold (user.c:?) [ 56.601041][ T2162] ? br_multicast_flood (??:?) [ 56.601045][ T2162] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 56.601049][ T2162] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 56.601051][ T2162] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 56.601054][ T2162] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 56.601058][ T2162] br_init_port (net/bridge/br_stp_if.c:39) [ 56.601061][ T2162] new_nbp (net/bridge/br_if.c:449) [ 56.601064][ T2162] br_add_if (net/bridge/br_if.c:592) [ 56.601067][ T2162] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 56.601070][ T2162] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 56.601072][ T2162] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 56.601076][ T2162] do_set_master (net/core/rtnetlink.c:3071) [ 56.601078][ T2162] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 56.601081][ T2162] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 56.601083][ T2162] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 56.601085][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.601087][ T2162] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 56.601092][ T2162] ? kasan_save_stack (mm/kasan/common.c:58) [ 56.601094][ T2162] ? kasan_save_stack (mm/kasan/common.c:57) [ 56.601096][ T2162] ? kasan_save_track (mm/kasan/common.c:78) [ 56.601097][ T2162] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 56.601099][ T2162] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 56.601101][ T2162] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 56.601103][ T2162] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 56.601104][ T2162] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 56.601108][ T2162] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 56.601110][ T2162] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 56.601112][ T2162] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 56.601115][ T2162] ? ____sys_sendmsg (net/socket.c:2713) [ 56.601117][ T2162] ? ___sys_sendmsg (net/socket.c:2767) [ 56.601119][ T2162] ? __sys_sendmsg (net/socket.c:2799) [ 56.601121][ T2162] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 56.601125][ T2162] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 56.601129][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.601131][ T2162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.601133][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.601134][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.601136][ T2162] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 56.601139][ T2162] ? __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) [ 56.601141][ T2162] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 56.601143][ T2162] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 56.601146][ T2162] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 56.601147][ T2162] ? nla_get_range_signed (lib/nlattr.c:270) [ 56.601151][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.601153][ T2162] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 56.601157][ T2162] rtnl_newlink (net/core/rtnetlink.c:4215) [ 56.601160][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.601162][ T2162] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 56.601163][ T2162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.601166][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.601168][ T2162] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 56.601170][ T2162] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 56.601172][ T2162] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 56.601174][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.601176][ T2162] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 56.601179][ T2162] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 56.601182][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.601184][ T2162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.601186][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.601188][ T2162] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 56.601190][ T2162] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 56.601193][ T2162] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 56.601195][ T2162] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 56.601197][ T2162] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 56.601201][ T2162] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 56.601203][ T2162] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 56.601205][ T2162] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.601207][ T2162] ? netlink_ack (./include/linux/skbuff.h:2718) [ 56.601209][ T2162] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 56.601214][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.601215][ T2162] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 56.601219][ T2162] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 56.601222][ T2162] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 56.601225][ T2162] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 56.601228][ T2162] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 56.601231][ T2162] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 56.601233][ T2162] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 56.601236][ T2162] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.601238][ T2162] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 56.601242][ T2162] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 56.601245][ T2162] ____sys_sendmsg (net/socket.c:2713) [ 56.601247][ T2162] ? copy_msghdr_from_user (net/socket.c:2650) [ 56.601249][ T2162] ? sock_write_iter (net/socket.c:1269) [ 56.601251][ T2162] ? move_addr_to_kernel (net/socket.c:258) [ 56.601253][ T2162] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 56.601257][ T2162] ___sys_sendmsg (net/socket.c:2767) [ 56.601260][ T2162] ? copy_msghdr_from_user (net/socket.c:2619) [ 56.601268][ T2162] __sys_sendmsg (net/socket.c:2799) [ 56.601271][ T2162] ? __sys_sendmsg_sock (net/socket.c:2780) [ 56.601275][ T2162] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.601277][ T2162] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 56.601279][ T2162] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 56.601282][ T2162] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 56.601285][ T2162] RIP: 0033:0x7f49402d854e [ 56.601287][ T2162] 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 [ 56.601289][ T2162] RSP: 002b:00007fffb1ff3e60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 56.601294][ T2162] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f49402d854e [ 56.601295][ T2162] RDX: 0000000000000000 RSI: 00007fffb1ff3f10 RDI: 0000000000000005 [ 56.601297][ T2162] RBP: 00007fffb1ff3e70 R08: 0000000000000000 R09: 0000000000000000 [ 56.601298][ T2162] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dcb [ 56.601299][ T2162] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffb1ff45e0 | [ 58.220407][ T72] softirqs last disabled at (11): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 58.220409][ T72] Preemption disabled at: | [ 58.220410][ T72] vprintk_emit (kernel/printk/printk.c:2471) | [ 58.220420][ T72] Tainted: [W]=WARN [ 58.220421][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 58.220423][ T72] Workqueue: netns cleanup_net [ 58.220429][ T72] Call Trace: [ 58.220430][ T72] [ 58.220432][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 58.220436][ T72] ? vprintk_emit (kernel/printk/printk.c:2471) [ 58.220438][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 58.220441][ T72] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 58.220443][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 58.220446][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.220449][ T72] __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)) [ 58.220451][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.220454][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.220459][ T72] ? 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) [ 58.220461][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 58.220463][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 58.220465][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 58.220466][ T72] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 58.220469][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 58.220478][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 58.220480][ T72] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 58.220482][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.220484][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.220485][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.220487][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 58.220490][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 58.220492][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.220493][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.220494][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.220495][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.220497][ T72] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 58.220499][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 58.220501][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 58.220504][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 58.220506][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.220507][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 58.220509][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.220510][ T72] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 58.220512][ T72] ? 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) [ 58.220513][ T72] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 58.220514][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 58.220516][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 58.220518][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 58.220520][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 58.220521][ T72] ? cleanup_net (net/core/net_namespace.c:706) [ 58.220522][ T72] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 58.220525][ T72] ? kthread (kernel/kthread.c:436) [ 58.220527][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 58.220530][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 58.220532][ T72] _printk (kernel/printk/printk.c:2504) [ 58.220535][ T72] ? snapshot_read.cold (user.c:?) [ 58.220538][ T72] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 58.220541][ T72] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 58.220543][ T72] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 58.220545][ T72] ? netdev_notice (net/core/dev.c:13194) [ 58.220547][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.220549][ T72] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 58.220550][ T72] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 58.220553][ T72] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 58.220554][ T72] ? 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) [ 58.220556][ T72] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 58.220558][ T72] dev_set_allmulti (net/core/dev_api.c:315) [ 58.220561][ T72] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 58.220565][ T72] br_dev_delete (net/bridge/br_if.c:387) [ 58.220567][ T72] br_net_exit_rtnl (net/bridge/br.c:414) [ 58.220569][ T72] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 58.220571][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 58.220573][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 58.220576][ T72] cleanup_net (net/core/net_namespace.c:706) [ 58.220578][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 58.220579][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 58.220581][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 58.220583][ T72] process_one_work (kernel/workqueue.c:3387) [ 58.220585][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 58.220587][ T72] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 58.220589][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 58.220592][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 58.220594][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 58.220596][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 58.220598][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 58.220600][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 58.220601][ T72] kthread (kernel/kthread.c:436) [ 58.220603][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 58.220605][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 58.220607][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 58.220608][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 58.220610][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 58.220613][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 58.220615][ T72] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 59.300104][ T2351] softirqs last disabled at (0): 0x0 | [ 59.300105][ T2351] Preemption disabled at: | [ 59.300106][ T2351] vprintk_emit (kernel/printk/printk.c:2471) | [ 59.300116][ T2351] Tainted: [W]=WARN [ 59.300117][ T2351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 59.300119][ T2351] Call Trace: [ 59.300120][ T2351] [ 59.300122][ T2351] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 59.300127][ T2351] ? vprintk_emit (kernel/printk/printk.c:2471) [ 59.300129][ T2351] __might_resched.cold (kernel/sched/core.c:9234) [ 59.300132][ T2351] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 59.300136][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300138][ T2351] __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)) [ 59.300141][ T2351] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 59.300144][ T2351] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 59.300149][ T2351] ? 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) [ 59.300151][ T2351] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 59.300154][ T2351] put_chars (drivers/char/virtio_console.c:1176) [ 59.300155][ T2351] ? __send_to_port (drivers/char/virtio_console.c:654) [ 59.300156][ T2351] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 59.300158][ T2351] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 59.300160][ T2351] ? pointer (lib/vsprintf.c:2577) [ 59.300164][ T2351] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 59.300168][ T2351] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 59.300170][ T2351] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 59.300172][ T2351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.300175][ T2351] console_emit_next_record (kernel/printk/printk.c:3183) [ 59.300177][ T2351] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 59.300179][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300180][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300181][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300182][ T2351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.300184][ T2351] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 59.300186][ T2351] console_flush_one_record (kernel/printk/printk.c:3268) [ 59.300189][ T2351] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 59.300191][ T2351] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 59.300193][ T2351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.300195][ T2351] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 59.300196][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300197][ T2351] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.300199][ T2351] ? 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) [ 59.300200][ T2351] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 59.300202][ T2351] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 59.300204][ T2351] ? vprintk_emit (kernel/printk/printk.c:2478) [ 59.300205][ T2351] vprintk_emit (kernel/printk/printk.c:2479) [ 59.300207][ T2351] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 59.300208][ T2351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.300210][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300211][ T2351] _printk (kernel/printk/printk.c:2504) [ 59.300214][ T2351] ? snapshot_read.cold (user.c:?) [ 59.300217][ T2351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.300219][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300220][ T2351] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 59.300224][ T2351] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 59.300226][ T2351] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 59.300229][ T2351] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 59.300231][ T2351] ? netdev_notice (net/core/dev.c:13194) [ 59.300232][ T2351] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.300234][ T2351] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 59.300236][ T2351] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 59.300238][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300239][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300240][ T2351] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 59.300243][ T2351] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 59.300244][ T2351] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 59.300245][ T2351] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 59.300247][ T2351] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 59.300248][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300249][ T2351] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.300252][ T2351] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 59.300255][ T2351] ? __kernel_text_address (kernel/extable.c:79) [ 59.300257][ T2351] ? write_profile (profile.c:?) [ 59.300260][ T2351] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 59.300264][ T2351] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 59.300266][ T2351] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 59.300267][ T2351] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 59.300269][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300270][ T2351] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 59.300273][ T2351] ? kasan_save_stack (mm/kasan/common.c:58) [ 59.300274][ T2351] ? kasan_save_stack (mm/kasan/common.c:57) [ 59.300275][ T2351] ? kasan_save_track (mm/kasan/common.c:78) [ 59.300277][ T2351] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 59.300278][ T2351] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 59.300279][ T2351] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 59.300280][ T2351] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 59.300281][ T2351] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 59.300284][ T2351] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 59.300286][ T2351] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 59.300287][ T2351] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 59.300290][ T2351] ? ____sys_sendmsg (net/socket.c:2713) [ 59.300291][ T2351] ? ___sys_sendmsg (net/socket.c:2767) [ 59.300293][ T2351] ? __sys_sendmsg (net/socket.c:2799) [ 59.300294][ T2351] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 59.300297][ T2351] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 59.300299][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300300][ T2351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.300302][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300302][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300304][ T2351] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 59.300305][ T2351] ? __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) [ 59.300307][ T2351] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 59.300308][ T2351] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 59.300309][ T2351] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 59.300310][ T2351] ? nla_get_range_signed (lib/nlattr.c:270) [ 59.300314][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300315][ T2351] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 59.300317][ T2351] rtnl_newlink (net/core/rtnetlink.c:4215) [ 59.300319][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300320][ T2351] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 59.300321][ T2351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.300323][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300324][ T2351] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 59.300327][ T2351] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 59.300328][ T2351] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 59.300329][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300330][ T2351] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 59.300334][ T2351] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 59.300336][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300337][ T2351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.300339][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300340][ T2351] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 59.300341][ T2351] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 59.300343][ T2351] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 59.300344][ T2351] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 59.300346][ T2351] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 59.300348][ T2351] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 59.300350][ T2351] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 59.300351][ T2351] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.300353][ T2351] ? netlink_ack (./include/linux/skbuff.h:2718) [ 59.300354][ T2351] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 59.300357][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300359][ T2351] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 59.300361][ T2351] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 59.300363][ T2351] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 59.300365][ T2351] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 59.300366][ T2351] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 59.300369][ T2351] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 59.300370][ T2351] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 59.300372][ T2351] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 59.300373][ T2351] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 59.300376][ T2351] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 59.300378][ T2351] ____sys_sendmsg (net/socket.c:2713) [ 59.300380][ T2351] ? copy_msghdr_from_user (net/socket.c:2650) [ 59.300381][ T2351] ? sock_write_iter (net/socket.c:1269) [ 59.300383][ T2351] ? move_addr_to_kernel (net/socket.c:258) [ 59.300384][ T2351] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 59.300387][ T2351] ___sys_sendmsg (net/socket.c:2767) [ 59.300389][ T2351] ? copy_msghdr_from_user (net/socket.c:2619) [ 59.300393][ T2351] __sys_sendmsg (net/socket.c:2799) [ 59.300395][ T2351] ? __sys_sendmsg_sock (net/socket.c:2780) [ 59.300398][ T2351] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 59.300400][ T2351] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 59.300402][ T2351] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 59.300403][ T2351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 59.300405][ T2351] RIP: 0033:0x7f756f6e054e [ 59.300407][ T2351] 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 [ 59.300409][ T2351] RSP: 002b:00007ffcd07475b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 59.300412][ T2351] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f756f6e054e [ 59.300414][ T2351] RDX: 0000000000000000 RSI: 00007ffcd0747660 RDI: 0000000000000005 [ 59.300415][ T2351] RBP: 00007ffcd07475c0 R08: 0000000000000000 R09: 0000000000000000 [ 59.300416][ T2351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dce [ 59.300417][ T2351] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcd0747d30 | [ 70.791123][ T2675] softirqs last disabled at (0): 0x0 | [ 70.791125][ T2675] Preemption disabled at: | [ 70.791126][ T2675] vprintk_emit (kernel/printk/printk.c:2471) | [ 70.791135][ T2675] Tainted: [W]=WARN [ 70.791136][ T2675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 70.791138][ T2675] Call Trace: [ 70.791139][ T2675] [ 70.791140][ T2675] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 70.791146][ T2675] ? vprintk_emit (kernel/printk/printk.c:2471) [ 70.791147][ T2675] __might_resched.cold (kernel/sched/core.c:9234) [ 70.791151][ T2675] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 70.791154][ T2675] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 70.791157][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791160][ T2675] __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)) [ 70.791162][ T2675] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 70.791165][ T2675] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 70.791170][ T2675] ? 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) [ 70.791172][ T2675] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 70.791174][ T2675] put_chars (drivers/char/virtio_console.c:1176) [ 70.791176][ T2675] ? __send_to_port (drivers/char/virtio_console.c:654) [ 70.791177][ T2675] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 70.791180][ T2675] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 70.791185][ T2675] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 70.791186][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791188][ T2675] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.791190][ T2675] console_emit_next_record (kernel/printk/printk.c:3183) [ 70.791193][ T2675] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 70.791195][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791196][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791197][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791198][ T2675] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.791200][ T2675] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 70.791201][ T2675] console_flush_one_record (kernel/printk/printk.c:3268) [ 70.791204][ T2675] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 70.791206][ T2675] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 70.791208][ T2675] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.791210][ T2675] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 70.791211][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791212][ T2675] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 70.791214][ T2675] ? 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) [ 70.791216][ T2675] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 70.791219][ T2675] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 70.791222][ T2675] ? vprintk_emit (kernel/printk/printk.c:2478) [ 70.791224][ T2675] vprintk_emit (kernel/printk/printk.c:2479) [ 70.791225][ T2675] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 70.791226][ T2675] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 70.791228][ T2675] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 70.791231][ T2675] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.791232][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791234][ T2675] _printk (kernel/printk/printk.c:2504) [ 70.791237][ T2675] ? snapshot_read.cold (user.c:?) [ 70.791239][ T2675] ? br_multicast_flood (??:?) [ 70.791242][ T2675] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 70.791245][ T2675] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 70.791246][ T2675] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 70.791248][ T2675] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 70.791251][ T2675] br_init_port (net/bridge/br_stp_if.c:39) [ 70.791252][ T2675] new_nbp (net/bridge/br_if.c:449) [ 70.791254][ T2675] br_add_if (net/bridge/br_if.c:592) [ 70.791256][ T2675] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 70.791259][ T2675] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 70.791260][ T2675] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 70.791263][ T2675] do_set_master (net/core/rtnetlink.c:3071) [ 70.791265][ T2675] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 70.791267][ T2675] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 70.791268][ T2675] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 70.791270][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791271][ T2675] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 70.791274][ T2675] ? kasan_save_stack (mm/kasan/common.c:58) [ 70.791276][ T2675] ? kasan_save_stack (mm/kasan/common.c:57) [ 70.791277][ T2675] ? kasan_save_track (mm/kasan/common.c:78) [ 70.791278][ T2675] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 70.791279][ T2675] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 70.791280][ T2675] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 70.791281][ T2675] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 70.791282][ T2675] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 70.791285][ T2675] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 70.791286][ T2675] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 70.791288][ T2675] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 70.791290][ T2675] ? ____sys_sendmsg (net/socket.c:2713) [ 70.791292][ T2675] ? ___sys_sendmsg (net/socket.c:2767) [ 70.791293][ T2675] ? __sys_sendmsg (net/socket.c:2799) [ 70.791295][ T2675] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 70.791298][ T2675] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 70.791300][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791301][ T2675] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.791303][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791304][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791305][ T2675] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 70.791306][ T2675] ? __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) [ 70.791308][ T2675] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 70.791309][ T2675] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 70.791310][ T2675] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 70.791311][ T2675] ? nla_get_range_signed (lib/nlattr.c:270) [ 70.791315][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791316][ T2675] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 70.791318][ T2675] rtnl_newlink (net/core/rtnetlink.c:4215) [ 70.791320][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791321][ T2675] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 70.791323][ T2675] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.791324][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791325][ T2675] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 70.791326][ T2675] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 70.791328][ T2675] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 70.791329][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791330][ T2675] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 70.791333][ T2675] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 70.791335][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791336][ T2675] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.791338][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791339][ T2675] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 70.791340][ T2675] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 70.791342][ T2675] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 70.791343][ T2675] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 70.791344][ T2675] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 70.791347][ T2675] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 70.791348][ T2675] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 70.791350][ T2675] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 70.791351][ T2675] ? netlink_ack (./include/linux/skbuff.h:2718) [ 70.791353][ T2675] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 70.791356][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791357][ T2675] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 70.791359][ T2675] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 70.791361][ T2675] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 70.791362][ T2675] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 70.791364][ T2675] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 70.791366][ T2675] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 70.791368][ T2675] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 70.791370][ T2675] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 70.791371][ T2675] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 70.791374][ T2675] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 70.791376][ T2675] ____sys_sendmsg (net/socket.c:2713) [ 70.791378][ T2675] ? copy_msghdr_from_user (net/socket.c:2650) [ 70.791379][ T2675] ? sock_write_iter (net/socket.c:1269) [ 70.791381][ T2675] ? move_addr_to_kernel (net/socket.c:258) [ 70.791382][ T2675] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 70.791385][ T2675] ___sys_sendmsg (net/socket.c:2767) [ 70.791386][ T2675] ? copy_msghdr_from_user (net/socket.c:2619) [ 70.791391][ T2675] __sys_sendmsg (net/socket.c:2799) [ 70.791393][ T2675] ? __sys_sendmsg_sock (net/socket.c:2780) [ 70.791396][ T2675] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 70.791397][ T2675] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 70.791399][ T2675] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 70.791401][ T2675] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 70.791403][ T2675] RIP: 0033:0x7f7b5dedf54e [ 70.791404][ T2675] 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 [ 70.791406][ T2675] RSP: 002b:00007ffe819934a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 70.791410][ T2675] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7b5dedf54e [ 70.791411][ T2675] RDX: 0000000000000000 RSI: 00007ffe81993550 RDI: 0000000000000005 [ 70.791412][ T2675] RBP: 00007ffe819934b0 R08: 0000000000000000 R09: 0000000000000000 [ 70.791413][ T2675] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dd9 [ 70.791413][ T2675] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe81993c20 | [ 71.894888][ T2762] softirqs last disabled at (0): 0x0 | [ 71.894890][ T2762] Preemption disabled at: | [ 71.894891][ T2762] vprintk_emit (kernel/printk/printk.c:2471) | [ 71.894901][ T2762] Tainted: [W]=WARN [ 71.894902][ T2762] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 71.894904][ T2762] Call Trace: [ 71.894906][ T2762] [ 71.894907][ T2762] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 71.894912][ T2762] ? vprintk_emit (kernel/printk/printk.c:2471) [ 71.894914][ T2762] __might_resched.cold (kernel/sched/core.c:9234) [ 71.894917][ T2762] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 71.894921][ T2762] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 71.894924][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.894927][ T2762] __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)) [ 71.894929][ T2762] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 71.894932][ T2762] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.894938][ T2762] ? 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) [ 71.894939][ T2762] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.894942][ T2762] put_chars (drivers/char/virtio_console.c:1176) [ 71.894943][ T2762] ? __send_to_port (drivers/char/virtio_console.c:654) [ 71.894945][ T2762] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 71.894947][ T2762] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 71.894952][ T2762] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 71.894954][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.894955][ T2762] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.894957][ T2762] console_emit_next_record (kernel/printk/printk.c:3183) [ 71.894960][ T2762] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 71.894962][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.894963][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.894964][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.894965][ T2762] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.894967][ T2762] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 71.894969][ T2762] console_flush_one_record (kernel/printk/printk.c:3268) [ 71.894971][ T2762] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 71.894974][ T2762] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 71.894976][ T2762] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.894977][ T2762] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 71.894979][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.894980][ T2762] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.894981][ T2762] ? 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) [ 71.894983][ T2762] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 71.894984][ T2762] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 71.894986][ T2762] ? vprintk_emit (kernel/printk/printk.c:2478) [ 71.894987][ T2762] vprintk_emit (kernel/printk/printk.c:2479) [ 71.894989][ T2762] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 71.894990][ T2762] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 71.894991][ T2762] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 71.894994][ T2762] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.894996][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.894997][ T2762] _printk (kernel/printk/printk.c:2504) [ 71.895000][ T2762] ? snapshot_read.cold (user.c:?) [ 71.895002][ T2762] ? br_multicast_flood (??:?) [ 71.895006][ T2762] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 71.895008][ T2762] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 71.895010][ T2762] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 71.895011][ T2762] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 71.895014][ T2762] br_init_port (net/bridge/br_stp_if.c:39) [ 71.895016][ T2762] new_nbp (net/bridge/br_if.c:449) [ 71.895018][ T2762] br_add_if (net/bridge/br_if.c:592) [ 71.895020][ T2762] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 71.895023][ T2762] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 71.895024][ T2762] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 71.895027][ T2762] do_set_master (net/core/rtnetlink.c:3071) [ 71.895029][ T2762] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 71.895030][ T2762] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 71.895032][ T2762] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 71.895033][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.895034][ T2762] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 71.895037][ T2762] ? kasan_save_stack (mm/kasan/common.c:58) [ 71.895039][ T2762] ? kasan_save_stack (mm/kasan/common.c:57) [ 71.895040][ T2762] ? kasan_save_track (mm/kasan/common.c:78) [ 71.895041][ T2762] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 71.895042][ T2762] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 71.895043][ T2762] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 71.895044][ T2762] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 71.895045][ T2762] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 71.895048][ T2762] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 71.895049][ T2762] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 71.895051][ T2762] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 71.895054][ T2762] ? ____sys_sendmsg (net/socket.c:2713) [ 71.895055][ T2762] ? ___sys_sendmsg (net/socket.c:2767) [ 71.895056][ T2762] ? __sys_sendmsg (net/socket.c:2799) [ 71.895058][ T2762] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 71.895061][ T2762] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 71.895064][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.895065][ T2762] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.895066][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.895067][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.895068][ T2762] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 71.895070][ T2762] ? __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) [ 71.895072][ T2762] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 71.895073][ T2762] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 71.895074][ T2762] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 71.895075][ T2762] ? nla_get_range_signed (lib/nlattr.c:270) [ 71.895079][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.895080][ T2762] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 71.895082][ T2762] rtnl_newlink (net/core/rtnetlink.c:4215) [ 71.895084][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.895085][ T2762] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 71.895086][ T2762] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.895088][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.895089][ T2762] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 71.895090][ T2762] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 71.895091][ T2762] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 71.895093][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.895094][ T2762] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 71.895097][ T2762] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 71.895099][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.895100][ T2762] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.895102][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.895103][ T2762] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 71.895104][ T2762] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 71.895106][ T2762] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 71.895107][ T2762] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 71.895108][ T2762] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 71.895111][ T2762] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 71.895112][ T2762] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 71.895114][ T2762] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.895115][ T2762] ? netlink_ack (./include/linux/skbuff.h:2718) [ 71.895117][ T2762] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 71.895120][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.895121][ T2762] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 71.895123][ T2762] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 71.895125][ T2762] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 71.895126][ T2762] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 71.895128][ T2762] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 71.895130][ T2762] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 71.895132][ T2762] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 71.895133][ T2762] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.895135][ T2762] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 71.895138][ T2762] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 71.895140][ T2762] ____sys_sendmsg (net/socket.c:2713) [ 71.895141][ T2762] ? copy_msghdr_from_user (net/socket.c:2650) [ 71.895143][ T2762] ? sock_write_iter (net/socket.c:1269) [ 71.895144][ T2762] ? move_addr_to_kernel (net/socket.c:258) [ 71.895146][ T2762] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 71.895148][ T2762] ___sys_sendmsg (net/socket.c:2767) [ 71.895150][ T2762] ? copy_msghdr_from_user (net/socket.c:2619) [ 71.895155][ T2762] __sys_sendmsg (net/socket.c:2799) [ 71.895157][ T2762] ? __sys_sendmsg_sock (net/socket.c:2780) [ 71.895159][ T2762] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.895161][ T2762] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 71.895163][ T2762] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 71.895165][ T2762] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 71.895166][ T2762] RIP: 0033:0x7f2e99f0854e [ 71.895168][ T2762] 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 [ 71.895170][ T2762] RSP: 002b:00007ffe778d7710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 71.895174][ T2762] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2e99f0854e [ 71.895175][ T2762] RDX: 0000000000000000 RSI: 00007ffe778d77c0 RDI: 0000000000000005 [ 71.895176][ T2762] RBP: 00007ffe778d7720 R08: 0000000000000000 R09: 0000000000000000 [ 71.895177][ T2762] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ddb [ 71.895178][ T2762] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe778d7e90 | [ 73.097660][ T2856] softirqs last disabled at (0): 0x0 | [ 73.097661][ T2856] Preemption disabled at: | [ 73.097662][ T2856] vprintk_emit (kernel/printk/printk.c:2471) | [ 73.097672][ T2856] Tainted: [W]=WARN [ 73.097673][ T2856] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 73.097675][ T2856] Call Trace: [ 73.097677][ T2856] [ 73.097678][ T2856] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 73.097684][ T2856] ? vprintk_emit (kernel/printk/printk.c:2471) [ 73.097685][ T2856] __might_resched.cold (kernel/sched/core.c:9234) [ 73.097689][ T2856] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 73.097692][ T2856] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 73.097696][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097698][ T2856] __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)) [ 73.097701][ T2856] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 73.097704][ T2856] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 73.097709][ T2856] ? 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) [ 73.097711][ T2856] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 73.097713][ T2856] put_chars (drivers/char/virtio_console.c:1176) [ 73.097715][ T2856] ? __send_to_port (drivers/char/virtio_console.c:654) [ 73.097717][ T2856] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 73.097719][ T2856] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 73.097731][ T2856] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 73.097733][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097735][ T2856] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.097737][ T2856] console_emit_next_record (kernel/printk/printk.c:3183) [ 73.097740][ T2856] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 73.097742][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097743][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097744][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097745][ T2856] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.097747][ T2856] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 73.097749][ T2856] console_flush_one_record (kernel/printk/printk.c:3268) [ 73.097751][ T2856] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 73.097754][ T2856] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 73.097756][ T2856] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.097758][ T2856] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 73.097759][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097760][ T2856] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 73.097762][ T2856] ? 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) [ 73.097764][ T2856] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 73.097765][ T2856] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 73.097767][ T2856] ? vprintk_emit (kernel/printk/printk.c:2478) [ 73.097768][ T2856] vprintk_emit (kernel/printk/printk.c:2479) [ 73.097770][ T2856] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 73.097771][ T2856] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 73.097773][ T2856] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 73.097777][ T2856] _printk (kernel/printk/printk.c:2504) [ 73.097780][ T2856] ? snapshot_read.cold (user.c:?) [ 73.097782][ T2856] ? br_multicast_flood (??:?) [ 73.097785][ T2856] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 73.097788][ T2856] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 73.097789][ T2856] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 73.097791][ T2856] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 73.097795][ T2856] br_init_port (net/bridge/br_stp_if.c:39) [ 73.097797][ T2856] new_nbp (net/bridge/br_if.c:449) [ 73.097799][ T2856] br_add_if (net/bridge/br_if.c:592) [ 73.097801][ T2856] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 73.097804][ T2856] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 73.097805][ T2856] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 73.097808][ T2856] do_set_master (net/core/rtnetlink.c:3071) [ 73.097810][ T2856] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 73.097812][ T2856] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 73.097813][ T2856] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 73.097814][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097816][ T2856] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 73.097819][ T2856] ? kasan_save_stack (mm/kasan/common.c:58) [ 73.097821][ T2856] ? kasan_save_stack (mm/kasan/common.c:57) [ 73.097822][ T2856] ? kasan_save_track (mm/kasan/common.c:78) [ 73.097823][ T2856] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 73.097824][ T2856] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 73.097825][ T2856] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 73.097826][ T2856] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 73.097828][ T2856] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 73.097830][ T2856] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 73.097832][ T2856] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 73.097833][ T2856] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 73.097836][ T2856] ? ____sys_sendmsg (net/socket.c:2713) [ 73.097838][ T2856] ? ___sys_sendmsg (net/socket.c:2767) [ 73.097839][ T2856] ? __sys_sendmsg (net/socket.c:2799) [ 73.097841][ T2856] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 73.097845][ T2856] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 73.097848][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097849][ T2856] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.097850][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097851][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097852][ T2856] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 73.097854][ T2856] ? __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) [ 73.097856][ T2856] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 73.097857][ T2856] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 73.097858][ T2856] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 73.097860][ T2856] ? nla_get_range_signed (lib/nlattr.c:270) [ 73.097863][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097864][ T2856] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 73.097866][ T2856] rtnl_newlink (net/core/rtnetlink.c:4215) [ 73.097868][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097870][ T2856] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 73.097871][ T2856] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.097872][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097874][ T2856] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 73.097875][ T2856] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 73.097877][ T2856] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 73.097878][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097879][ T2856] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 73.097882][ T2856] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 73.097885][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097886][ T2856] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.097887][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097888][ T2856] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 73.097890][ T2856] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 73.097891][ T2856] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 73.097893][ T2856] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 73.097894][ T2856] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 73.097897][ T2856] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 73.097898][ T2856] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 73.097900][ T2856] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 73.097901][ T2856] ? netlink_ack (./include/linux/skbuff.h:2718) [ 73.097903][ T2856] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 73.097906][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097907][ T2856] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 73.097909][ T2856] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 73.097911][ T2856] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 73.097913][ T2856] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 73.097915][ T2856] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 73.097917][ T2856] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 73.097919][ T2856] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 73.097921][ T2856] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 73.097922][ T2856] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 73.097925][ T2856] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 73.097927][ T2856] ____sys_sendmsg (net/socket.c:2713) [ 73.097929][ T2856] ? copy_msghdr_from_user (net/socket.c:2650) [ 73.097930][ T2856] ? sock_write_iter (net/socket.c:1269) [ 73.097932][ T2856] ? move_addr_to_kernel (net/socket.c:258) [ 73.097933][ T2856] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 73.097936][ T2856] ___sys_sendmsg (net/socket.c:2767) [ 73.097938][ T2856] ? copy_msghdr_from_user (net/socket.c:2619) [ 73.097943][ T2856] __sys_sendmsg (net/socket.c:2799) [ 73.097945][ T2856] ? __sys_sendmsg_sock (net/socket.c:2780) [ 73.097948][ T2856] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 73.097949][ T2856] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 73.097951][ T2856] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 73.097953][ T2856] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 73.097955][ T2856] RIP: 0033:0x7f2bc3fd054e [ 73.097957][ T2856] 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 [ 73.097959][ T2856] RSP: 002b:00007ffeb57a9e30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 73.097962][ T2856] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f2bc3fd054e [ 73.097964][ T2856] RDX: 0000000000000000 RSI: 00007ffeb57a9ee0 RDI: 0000000000000005 [ 73.097965][ T2856] RBP: 00007ffeb57a9e40 R08: 0000000000000000 R09: 0000000000000000 [ 73.097965][ T2856] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ddc [ 73.097966][ T2856] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeb57aa5b0 | [ 74.123407][ T2939] softirqs last disabled at (0): 0x0 | [ 74.123409][ T2939] Preemption disabled at: | [ 74.123409][ T2939] vprintk_emit (kernel/printk/printk.c:2471) | [ 74.123419][ T2939] Tainted: [W]=WARN [ 74.123420][ T2939] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 74.123422][ T2939] Call Trace: [ 74.123424][ T2939] [ 74.123425][ T2939] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 74.123430][ T2939] ? vprintk_emit (kernel/printk/printk.c:2471) [ 74.123431][ T2939] __might_resched.cold (kernel/sched/core.c:9234) [ 74.123435][ T2939] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 74.123438][ T2939] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 74.123442][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123444][ T2939] __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)) [ 74.123447][ T2939] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 74.123450][ T2939] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 74.123455][ T2939] ? 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) [ 74.123456][ T2939] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 74.123459][ T2939] put_chars (drivers/char/virtio_console.c:1176) [ 74.123460][ T2939] ? __send_to_port (drivers/char/virtio_console.c:654) [ 74.123462][ T2939] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 74.123465][ T2939] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 74.123469][ T2939] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 74.123471][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123476][ T2939] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.123478][ T2939] console_emit_next_record (kernel/printk/printk.c:3183) [ 74.123481][ T2939] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 74.123483][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123484][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123485][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123486][ T2939] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.123488][ T2939] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 74.123489][ T2939] console_flush_one_record (kernel/printk/printk.c:3268) [ 74.123492][ T2939] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 74.123495][ T2939] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 74.123496][ T2939] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.123498][ T2939] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 74.123499][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123500][ T2939] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 74.123502][ T2939] ? 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) [ 74.123503][ T2939] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 74.123505][ T2939] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 74.123506][ T2939] ? vprintk_emit (kernel/printk/printk.c:2478) [ 74.123508][ T2939] vprintk_emit (kernel/printk/printk.c:2479) [ 74.123510][ T2939] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 74.123511][ T2939] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 74.123512][ T2939] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 74.123516][ T2939] _printk (kernel/printk/printk.c:2504) [ 74.123519][ T2939] ? snapshot_read.cold (user.c:?) [ 74.123521][ T2939] ? br_multicast_flood (??:?) [ 74.123524][ T2939] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 74.123527][ T2939] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 74.123528][ T2939] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 74.123530][ T2939] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 74.123533][ T2939] br_init_port (net/bridge/br_stp_if.c:39) [ 74.123535][ T2939] new_nbp (net/bridge/br_if.c:449) [ 74.123537][ T2939] br_add_if (net/bridge/br_if.c:592) [ 74.123539][ T2939] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 74.123542][ T2939] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 74.123543][ T2939] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 74.123546][ T2939] do_set_master (net/core/rtnetlink.c:3071) [ 74.123548][ T2939] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 74.123549][ T2939] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 74.123551][ T2939] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 74.123552][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123553][ T2939] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 74.123556][ T2939] ? kasan_save_stack (mm/kasan/common.c:58) [ 74.123558][ T2939] ? kasan_save_stack (mm/kasan/common.c:57) [ 74.123559][ T2939] ? kasan_save_track (mm/kasan/common.c:78) [ 74.123560][ T2939] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 74.123561][ T2939] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 74.123562][ T2939] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 74.123563][ T2939] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 74.123564][ T2939] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 74.123567][ T2939] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 74.123569][ T2939] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 74.123570][ T2939] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 74.123573][ T2939] ? ____sys_sendmsg (net/socket.c:2713) [ 74.123574][ T2939] ? ___sys_sendmsg (net/socket.c:2767) [ 74.123575][ T2939] ? __sys_sendmsg (net/socket.c:2799) [ 74.123577][ T2939] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 74.123580][ T2939] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 74.123583][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123584][ T2939] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.123585][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123586][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123587][ T2939] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 74.123589][ T2939] ? __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) [ 74.123590][ T2939] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 74.123591][ T2939] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 74.123593][ T2939] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 74.123594][ T2939] ? nla_get_range_signed (lib/nlattr.c:270) [ 74.123597][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123598][ T2939] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 74.123600][ T2939] rtnl_newlink (net/core/rtnetlink.c:4215) [ 74.123602][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123603][ T2939] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 74.123605][ T2939] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.123606][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123607][ T2939] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 74.123608][ T2939] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 74.123610][ T2939] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 74.123611][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123612][ T2939] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 74.123615][ T2939] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 74.123618][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123619][ T2939] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.123620][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123621][ T2939] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 74.123622][ T2939] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 74.123624][ T2939] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 74.123625][ T2939] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 74.123627][ T2939] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 74.123629][ T2939] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 74.123631][ T2939] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 74.123632][ T2939] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 74.123633][ T2939] ? netlink_ack (./include/linux/skbuff.h:2718) [ 74.123635][ T2939] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 74.123638][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123639][ T2939] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 74.123641][ T2939] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 74.123643][ T2939] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 74.123645][ T2939] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 74.123646][ T2939] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 74.123648][ T2939] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 74.123650][ T2939] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 74.123652][ T2939] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 74.123653][ T2939] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 74.123656][ T2939] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 74.123658][ T2939] ____sys_sendmsg (net/socket.c:2713) [ 74.123659][ T2939] ? copy_msghdr_from_user (net/socket.c:2650) [ 74.123661][ T2939] ? sock_write_iter (net/socket.c:1269) [ 74.123662][ T2939] ? move_addr_to_kernel (net/socket.c:258) [ 74.123664][ T2939] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 74.123666][ T2939] ___sys_sendmsg (net/socket.c:2767) [ 74.123668][ T2939] ? copy_msghdr_from_user (net/socket.c:2619) [ 74.123673][ T2939] __sys_sendmsg (net/socket.c:2799) [ 74.123675][ T2939] ? __sys_sendmsg_sock (net/socket.c:2780) [ 74.123677][ T2939] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 74.123679][ T2939] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 74.123681][ T2939] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 74.123682][ T2939] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 74.123684][ T2939] RIP: 0033:0x7fbbeb7d854e [ 74.123686][ T2939] 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 [ 74.123687][ T2939] RSP: 002b:00007ffcaf4eb3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 74.123691][ T2939] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fbbeb7d854e [ 74.123693][ T2939] RDX: 0000000000000000 RSI: 00007ffcaf4eb450 RDI: 0000000000000005 [ 74.123693][ T2939] RBP: 00007ffcaf4eb3b0 R08: 0000000000000000 R09: 0000000000000000 [ 74.123694][ T2939] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ddd [ 74.123695][ T2939] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcaf4ebb20 | [ 75.926277][ T3046] softirqs last disabled at (0): 0x0 | [ 75.926279][ T3046] Preemption disabled at: | [ 75.926279][ T3046] vprintk_emit (kernel/printk/printk.c:2471) | [ 75.926290][ T3046] Tainted: [W]=WARN [ 75.926291][ T3046] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 75.926292][ T3046] Call Trace: [ 75.926294][ T3046] [ 75.926295][ T3046] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 75.926301][ T3046] ? vprintk_emit (kernel/printk/printk.c:2471) [ 75.926302][ T3046] __might_resched.cold (kernel/sched/core.c:9234) [ 75.926306][ T3046] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 75.926310][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926312][ T3046] __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)) [ 75.926315][ T3046] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.926318][ T3046] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.926323][ T3046] ? 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) [ 75.926325][ T3046] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 75.926327][ T3046] put_chars (drivers/char/virtio_console.c:1176) [ 75.926329][ T3046] ? __send_to_port (drivers/char/virtio_console.c:654) [ 75.926330][ T3046] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 75.926332][ T3046] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 75.926334][ T3046] ? pointer (lib/vsprintf.c:2577) [ 75.926338][ T3046] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 75.926342][ T3046] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 75.926344][ T3046] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.926346][ T3046] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.926348][ T3046] console_emit_next_record (kernel/printk/printk.c:3183) [ 75.926351][ T3046] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 75.926353][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926354][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926355][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926356][ T3046] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.926358][ T3046] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 75.926360][ T3046] console_flush_one_record (kernel/printk/printk.c:3268) [ 75.926362][ T3046] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 75.926365][ T3046] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 75.926367][ T3046] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.926368][ T3046] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 75.926370][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926371][ T3046] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 75.926373][ T3046] ? 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) [ 75.926374][ T3046] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 75.926376][ T3046] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 75.926378][ T3046] ? vprintk_emit (kernel/printk/printk.c:2478) [ 75.926379][ T3046] vprintk_emit (kernel/printk/printk.c:2479) [ 75.926381][ T3046] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 75.926382][ T3046] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.926384][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926385][ T3046] _printk (kernel/printk/printk.c:2504) [ 75.926388][ T3046] ? snapshot_read.cold (user.c:?) [ 75.926390][ T3046] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.926392][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926393][ T3046] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 75.926396][ T3046] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 75.926398][ T3046] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 75.926401][ T3046] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 75.926403][ T3046] ? netdev_notice (net/core/dev.c:13194) [ 75.926405][ T3046] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 75.926407][ T3046] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 75.926409][ T3046] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 75.926410][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926411][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926413][ T3046] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 75.926415][ T3046] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 75.926417][ T3046] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 75.926418][ T3046] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 75.926420][ T3046] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 75.926421][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926423][ T3046] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 75.926425][ T3046] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 75.926428][ T3046] ? __kernel_text_address (kernel/extable.c:79) [ 75.926430][ T3046] ? write_profile (profile.c:?) [ 75.926433][ T3046] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 75.926437][ T3046] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 75.926439][ T3046] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 75.926440][ T3046] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 75.926441][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926442][ T3046] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 75.926446][ T3046] ? kasan_save_stack (mm/kasan/common.c:58) [ 75.926447][ T3046] ? kasan_save_stack (mm/kasan/common.c:57) [ 75.926448][ T3046] ? kasan_save_track (mm/kasan/common.c:78) [ 75.926449][ T3046] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 75.926451][ T3046] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 75.926452][ T3046] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 75.926453][ T3046] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 75.926454][ T3046] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 75.926457][ T3046] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 75.926458][ T3046] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 75.926460][ T3046] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 75.926462][ T3046] ? ____sys_sendmsg (net/socket.c:2713) [ 75.926463][ T3046] ? ___sys_sendmsg (net/socket.c:2767) [ 75.926465][ T3046] ? __sys_sendmsg (net/socket.c:2799) [ 75.926467][ T3046] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 75.926469][ T3046] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 75.926471][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926476][ T3046] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.926477][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926478][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926479][ T3046] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 75.926481][ T3046] ? __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) [ 75.926482][ T3046] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 75.926484][ T3046] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 75.926485][ T3046] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 75.926487][ T3046] ? nla_get_range_signed (lib/nlattr.c:270) [ 75.926490][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926491][ T3046] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 75.926494][ T3046] rtnl_newlink (net/core/rtnetlink.c:4215) [ 75.926496][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926497][ T3046] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 75.926498][ T3046] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.926500][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926501][ T3046] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 75.926504][ T3046] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 75.926505][ T3046] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 75.926507][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926508][ T3046] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 75.926511][ T3046] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 75.926513][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926514][ T3046] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.926516][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926517][ T3046] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 75.926518][ T3046] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 75.926520][ T3046] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 75.926522][ T3046] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 75.926523][ T3046] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 75.926526][ T3046] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 75.926528][ T3046] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 75.926529][ T3046] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 75.926531][ T3046] ? netlink_ack (./include/linux/skbuff.h:2718) [ 75.926532][ T3046] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 75.926535][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926537][ T3046] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 75.926539][ T3046] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 75.926541][ T3046] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 75.926543][ T3046] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 75.926545][ T3046] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 75.926547][ T3046] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 75.926549][ T3046] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 75.926550][ T3046] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 75.926552][ T3046] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 75.926555][ T3046] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 75.926557][ T3046] ____sys_sendmsg (net/socket.c:2713) [ 75.926559][ T3046] ? copy_msghdr_from_user (net/socket.c:2650) [ 75.926561][ T3046] ? sock_write_iter (net/socket.c:1269) [ 75.926562][ T3046] ? move_addr_to_kernel (net/socket.c:258) [ 75.926564][ T3046] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 75.926566][ T3046] ___sys_sendmsg (net/socket.c:2767) [ 75.926568][ T3046] ? copy_msghdr_from_user (net/socket.c:2619) [ 75.926574][ T3046] __sys_sendmsg (net/socket.c:2799) [ 75.926576][ T3046] ? __sys_sendmsg_sock (net/socket.c:2780) [ 75.926579][ T3046] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 75.926581][ T3046] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 75.926583][ T3046] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 75.926585][ T3046] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 75.926586][ T3046] RIP: 0033:0x7f47f656254e [ 75.926588][ T3046] 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 [ 75.926590][ T3046] RSP: 002b:00007ffc1c8c5c30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 75.926593][ T3046] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f47f656254e [ 75.926595][ T3046] RDX: 0000000000000000 RSI: 00007ffc1c8c5ce0 RDI: 0000000000000005 [ 75.926596][ T3046] RBP: 00007ffc1c8c5c40 R08: 0000000000000000 R09: 0000000000000000 [ 75.926597][ T3046] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912ddf [ 75.926598][ T3046] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1c8c63b0 | [ 87.617151][ T3391] softirqs last disabled at (0): 0x0 | [ 87.617153][ T3391] Preemption disabled at: | [ 87.617154][ T3391] vprintk_emit (kernel/printk/printk.c:2471) | [ 87.617163][ T3391] Tainted: [W]=WARN [ 87.617164][ T3391] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 87.617166][ T3391] Call Trace: [ 87.617167][ T3391] [ 87.617168][ T3391] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 87.617174][ T3391] ? vprintk_emit (kernel/printk/printk.c:2471) [ 87.617175][ T3391] __might_resched.cold (kernel/sched/core.c:9234) [ 87.617179][ T3391] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 87.617182][ T3391] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 87.617186][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617188][ T3391] __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)) [ 87.617190][ T3391] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.617193][ T3391] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 87.617199][ T3391] ? 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) [ 87.617200][ T3391] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 87.617203][ T3391] put_chars (drivers/char/virtio_console.c:1176) [ 87.617204][ T3391] ? __send_to_port (drivers/char/virtio_console.c:654) [ 87.617206][ T3391] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 87.617209][ T3391] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 87.617213][ T3391] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 87.617216][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617218][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.617221][ T3391] console_emit_next_record (kernel/printk/printk.c:3183) [ 87.617224][ T3391] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 87.617226][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617227][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617228][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617229][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.617231][ T3391] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 87.617233][ T3391] console_flush_one_record (kernel/printk/printk.c:3268) [ 87.617236][ T3391] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 87.617238][ T3391] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 87.617240][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.617242][ T3391] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 87.617243][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617244][ T3391] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.617246][ T3391] ? 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) [ 87.617247][ T3391] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 87.617249][ T3391] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 87.617251][ T3391] ? vprintk_emit (kernel/printk/printk.c:2478) [ 87.617252][ T3391] vprintk_emit (kernel/printk/printk.c:2479) [ 87.617254][ T3391] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 87.617255][ T3391] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 87.617256][ T3391] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 87.617259][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.617261][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617262][ T3391] _printk (kernel/printk/printk.c:2504) [ 87.617265][ T3391] ? snapshot_read.cold (user.c:?) [ 87.617267][ T3391] ? br_multicast_flood (??:?) [ 87.617271][ T3391] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 87.617274][ T3391] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 87.617275][ T3391] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 87.617277][ T3391] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 87.617279][ T3391] br_init_port (net/bridge/br_stp_if.c:39) [ 87.617281][ T3391] new_nbp (net/bridge/br_if.c:449) [ 87.617283][ T3391] br_add_if (net/bridge/br_if.c:592) [ 87.617285][ T3391] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 87.617287][ T3391] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 87.617289][ T3391] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 87.617292][ T3391] do_set_master (net/core/rtnetlink.c:3071) [ 87.617293][ T3391] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 87.617295][ T3391] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 87.617297][ T3391] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 87.617298][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617299][ T3391] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 87.617302][ T3391] ? kasan_save_stack (mm/kasan/common.c:58) [ 87.617304][ T3391] ? kasan_save_stack (mm/kasan/common.c:57) [ 87.617305][ T3391] ? kasan_save_track (mm/kasan/common.c:78) [ 87.617306][ T3391] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 87.617307][ T3391] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 87.617308][ T3391] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 87.617309][ T3391] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 87.617311][ T3391] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 87.617313][ T3391] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 87.617315][ T3391] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 87.617316][ T3391] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 87.617319][ T3391] ? ____sys_sendmsg (net/socket.c:2713) [ 87.617321][ T3391] ? ___sys_sendmsg (net/socket.c:2767) [ 87.617322][ T3391] ? __sys_sendmsg (net/socket.c:2799) [ 87.617324][ T3391] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 87.617327][ T3391] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 87.617330][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617331][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.617332][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617333][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617334][ T3391] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 87.617336][ T3391] ? __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) [ 87.617338][ T3391] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 87.617339][ T3391] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 87.617340][ T3391] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 87.617341][ T3391] ? nla_get_range_signed (lib/nlattr.c:270) [ 87.617345][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617346][ T3391] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 87.617348][ T3391] rtnl_newlink (net/core/rtnetlink.c:4215) [ 87.617350][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617351][ T3391] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 87.617353][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.617354][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617356][ T3391] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 87.617357][ T3391] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 87.617358][ T3391] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 87.617359][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617361][ T3391] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 87.617364][ T3391] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 87.617366][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617367][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.617369][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617370][ T3391] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 87.617371][ T3391] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 87.617373][ T3391] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 87.617374][ T3391] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 87.617376][ T3391] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 87.617379][ T3391] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 87.617380][ T3391] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 87.617382][ T3391] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.617383][ T3391] ? netlink_ack (./include/linux/skbuff.h:2718) [ 87.617385][ T3391] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 87.617388][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617389][ T3391] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 87.617391][ T3391] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 87.617394][ T3391] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 87.617396][ T3391] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 87.617398][ T3391] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 87.617400][ T3391] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 87.617402][ T3391] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 87.617403][ T3391] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.617405][ T3391] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 87.617408][ T3391] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 87.617410][ T3391] ____sys_sendmsg (net/socket.c:2713) [ 87.617412][ T3391] ? copy_msghdr_from_user (net/socket.c:2650) [ 87.617413][ T3391] ? sock_write_iter (net/socket.c:1269) [ 87.617415][ T3391] ? move_addr_to_kernel (net/socket.c:258) [ 87.617416][ T3391] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 87.617419][ T3391] ___sys_sendmsg (net/socket.c:2767) [ 87.617421][ T3391] ? copy_msghdr_from_user (net/socket.c:2619) [ 87.617426][ T3391] __sys_sendmsg (net/socket.c:2799) [ 87.617428][ T3391] ? __sys_sendmsg_sock (net/socket.c:2780) [ 87.617431][ T3391] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.617433][ T3391] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 87.617435][ T3391] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 87.617437][ T3391] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 87.617438][ T3391] RIP: 0033:0x7ff6c6b3f54e [ 87.617440][ T3391] 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 [ 87.617442][ T3391] RSP: 002b:00007ffc223a66e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 87.617445][ T3391] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff6c6b3f54e [ 87.617447][ T3391] RDX: 0000000000000000 RSI: 00007ffc223a6790 RDI: 0000000000000005 [ 87.617448][ T3391] RBP: 00007ffc223a66f0 R08: 0000000000000000 R09: 0000000000000000 [ 87.617448][ T3391] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dea [ 87.617449][ T3391] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc223a6e60 | [ 88.670163][ T3470] softirqs last disabled at (0): 0x0 | [ 88.670166][ T3470] Preemption disabled at: | [ 88.670167][ T3470] vprintk_emit (kernel/printk/printk.c:2471) | [ 88.670180][ T3470] Tainted: [W]=WARN [ 88.670181][ T3470] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 88.670184][ T3470] Call Trace: [ 88.670186][ T3470] [ 88.670187][ T3470] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 88.670194][ T3470] ? vprintk_emit (kernel/printk/printk.c:2471) [ 88.670196][ T3470] __might_resched.cold (kernel/sched/core.c:9234) [ 88.670201][ T3470] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 88.670205][ T3470] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 88.670210][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670213][ T3470] __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)) [ 88.670217][ T3470] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 88.670221][ T3470] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 88.670227][ T3470] ? 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) [ 88.670230][ T3470] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 88.670233][ T3470] put_chars (drivers/char/virtio_console.c:1176) [ 88.670236][ T3470] ? __send_to_port (drivers/char/virtio_console.c:654) [ 88.670239][ T3470] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 88.670243][ T3470] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 88.670249][ T3470] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 88.670251][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670253][ T3470] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.670257][ T3470] console_emit_next_record (kernel/printk/printk.c:3183) [ 88.670261][ T3470] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 88.670264][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670266][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670267][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670269][ T3470] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.670272][ T3470] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 88.670275][ T3470] console_flush_one_record (kernel/printk/printk.c:3268) [ 88.670279][ T3470] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 88.670283][ T3470] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 88.670286][ T3470] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.670288][ T3470] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 88.670291][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670292][ T3470] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 88.670295][ T3470] ? 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) [ 88.670297][ T3470] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 88.670299][ T3470] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 88.670302][ T3470] ? vprintk_emit (kernel/printk/printk.c:2478) [ 88.670305][ T3470] vprintk_emit (kernel/printk/printk.c:2479) [ 88.670307][ T3470] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 88.670309][ T3470] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 88.670312][ T3470] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 88.670316][ T3470] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.670318][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670321][ T3470] _printk (kernel/printk/printk.c:2504) [ 88.670325][ T3470] ? snapshot_read.cold (user.c:?) [ 88.670328][ T3470] ? br_multicast_flood (??:?) [ 88.670332][ T3470] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 88.670336][ T3470] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 88.670338][ T3470] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 88.670341][ T3470] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 88.670345][ T3470] br_init_port (net/bridge/br_stp_if.c:39) [ 88.670347][ T3470] new_nbp (net/bridge/br_if.c:449) [ 88.670351][ T3470] br_add_if (net/bridge/br_if.c:592) [ 88.670353][ T3470] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 88.670356][ T3470] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 88.670359][ T3470] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 88.670363][ T3470] do_set_master (net/core/rtnetlink.c:3071) [ 88.670366][ T3470] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 88.670369][ T3470] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 88.670371][ T3470] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 88.670373][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670375][ T3470] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 88.670380][ T3470] ? kasan_save_stack (mm/kasan/common.c:58) [ 88.670382][ T3470] ? kasan_save_stack (mm/kasan/common.c:57) [ 88.670384][ T3470] ? kasan_save_track (mm/kasan/common.c:78) [ 88.670386][ T3470] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 88.670387][ T3470] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 88.670389][ T3470] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 88.670391][ T3470] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 88.670393][ T3470] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 88.670397][ T3470] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 88.670399][ T3470] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 88.670401][ T3470] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 88.670405][ T3470] ? ____sys_sendmsg (net/socket.c:2713) [ 88.670407][ T3470] ? ___sys_sendmsg (net/socket.c:2767) [ 88.670409][ T3470] ? __sys_sendmsg (net/socket.c:2799) [ 88.670412][ T3470] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 88.670416][ T3470] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 88.670420][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670422][ T3470] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.670424][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670426][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670428][ T3470] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 88.670430][ T3470] ? __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) [ 88.670433][ T3470] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 88.670434][ T3470] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 88.670437][ T3470] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 88.670439][ T3470] ? nla_get_range_signed (lib/nlattr.c:270) [ 88.670444][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670446][ T3470] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 88.670449][ T3470] rtnl_newlink (net/core/rtnetlink.c:4215) [ 88.670453][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670455][ T3470] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 88.670457][ T3470] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.670459][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670461][ T3470] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 88.670463][ T3470] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 88.670465][ T3470] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 88.670467][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670469][ T3470] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 88.670476][ T3470] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 88.670480][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670482][ T3470] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.670484][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670486][ T3470] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 88.670488][ T3470] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 88.670491][ T3470] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 88.670493][ T3470] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 88.670495][ T3470] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 88.670499][ T3470] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 88.670501][ T3470] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 88.670504][ T3470] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 88.670506][ T3470] ? netlink_ack (./include/linux/skbuff.h:2718) [ 88.670508][ T3470] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 88.670513][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670515][ T3470] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 88.670518][ T3470] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 88.670521][ T3470] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 88.670524][ T3470] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 88.670527][ T3470] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 88.670530][ T3470] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 88.670533][ T3470] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 88.670535][ T3470] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 88.670538][ T3470] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 88.670542][ T3470] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 88.670545][ T3470] ____sys_sendmsg (net/socket.c:2713) [ 88.670547][ T3470] ? copy_msghdr_from_user (net/socket.c:2650) [ 88.670550][ T3470] ? sock_write_iter (net/socket.c:1269) [ 88.670552][ T3470] ? move_addr_to_kernel (net/socket.c:258) [ 88.670554][ T3470] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 88.670558][ T3470] ___sys_sendmsg (net/socket.c:2767) [ 88.670561][ T3470] ? copy_msghdr_from_user (net/socket.c:2619) [ 88.670569][ T3470] __sys_sendmsg (net/socket.c:2799) [ 88.670572][ T3470] ? __sys_sendmsg_sock (net/socket.c:2780) [ 88.670576][ T3470] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 88.670579][ T3470] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 88.670581][ T3470] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 88.670584][ T3470] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 88.670586][ T3470] RIP: 0033:0x7f63f488154e [ 88.670589][ T3470] 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 [ 88.670592][ T3470] RSP: 002b:00007ffccd61faf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 88.670596][ T3470] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f63f488154e [ 88.670598][ T3470] RDX: 0000000000000000 RSI: 00007ffccd61fba0 RDI: 0000000000000005 [ 88.670600][ T3470] RBP: 00007ffccd61fb00 R08: 0000000000000000 R09: 0000000000000000 [ 88.670601][ T3470] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912deb [ 88.670603][ T3470] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffccd620270 | [ 89.736322][ T3538] softirqs last disabled at (0): 0x0 | [ 89.736324][ T3538] Preemption disabled at: | [ 89.736324][ T3538] vprintk_emit (kernel/printk/printk.c:2471) | [ 89.736334][ T3538] Tainted: [W]=WARN [ 89.736335][ T3538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 89.736337][ T3538] Call Trace: [ 89.736339][ T3538] [ 89.736340][ T3538] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 89.736346][ T3538] ? vprintk_emit (kernel/printk/printk.c:2471) [ 89.736347][ T3538] __might_resched.cold (kernel/sched/core.c:9234) [ 89.736351][ T3538] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 89.736354][ T3538] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 89.736357][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736360][ T3538] __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)) [ 89.736362][ T3538] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 89.736365][ T3538] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 89.736370][ T3538] ? 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) [ 89.736372][ T3538] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 89.736375][ T3538] put_chars (drivers/char/virtio_console.c:1176) [ 89.736376][ T3538] ? __send_to_port (drivers/char/virtio_console.c:654) [ 89.736378][ T3538] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 89.736381][ T3538] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 89.736386][ T3538] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 89.736388][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736389][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.736391][ T3538] console_emit_next_record (kernel/printk/printk.c:3183) [ 89.736394][ T3538] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 89.736396][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736397][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736398][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736399][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.736401][ T3538] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 89.736402][ T3538] console_flush_one_record (kernel/printk/printk.c:3268) [ 89.736405][ T3538] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 89.736408][ T3538] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 89.736409][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.736411][ T3538] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 89.736413][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736414][ T3538] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 89.736415][ T3538] ? 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) [ 89.736417][ T3538] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 89.736418][ T3538] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 89.736420][ T3538] ? vprintk_emit (kernel/printk/printk.c:2478) [ 89.736421][ T3538] vprintk_emit (kernel/printk/printk.c:2479) [ 89.736423][ T3538] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 89.736424][ T3538] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 89.736426][ T3538] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 89.736429][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.736430][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736432][ T3538] _printk (kernel/printk/printk.c:2504) [ 89.736435][ T3538] ? snapshot_read.cold (user.c:?) [ 89.736437][ T3538] ? br_multicast_flood (??:?) [ 89.736441][ T3538] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 89.736444][ T3538] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 89.736445][ T3538] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 89.736447][ T3538] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 89.736449][ T3538] br_init_port (net/bridge/br_stp_if.c:39) [ 89.736451][ T3538] new_nbp (net/bridge/br_if.c:449) [ 89.736453][ T3538] br_add_if (net/bridge/br_if.c:592) [ 89.736455][ T3538] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 89.736458][ T3538] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 89.736459][ T3538] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 89.736462][ T3538] do_set_master (net/core/rtnetlink.c:3071) [ 89.736464][ T3538] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 89.736465][ T3538] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 89.736467][ T3538] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 89.736468][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736469][ T3538] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 89.736475][ T3538] ? kasan_save_stack (mm/kasan/common.c:58) [ 89.736477][ T3538] ? kasan_save_stack (mm/kasan/common.c:57) [ 89.736478][ T3538] ? kasan_save_track (mm/kasan/common.c:78) [ 89.736479][ T3538] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 89.736480][ T3538] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 89.736481][ T3538] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 89.736482][ T3538] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 89.736483][ T3538] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 89.736487][ T3538] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 89.736488][ T3538] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 89.736490][ T3538] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 89.736492][ T3538] ? ____sys_sendmsg (net/socket.c:2713) [ 89.736494][ T3538] ? ___sys_sendmsg (net/socket.c:2767) [ 89.736495][ T3538] ? __sys_sendmsg (net/socket.c:2799) [ 89.736497][ T3538] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 89.736500][ T3538] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 89.736502][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736504][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.736505][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736506][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736507][ T3538] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 89.736509][ T3538] ? __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) [ 89.736510][ T3538] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 89.736511][ T3538] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 89.736513][ T3538] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 89.736514][ T3538] ? nla_get_range_signed (lib/nlattr.c:270) [ 89.736518][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736519][ T3538] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 89.736521][ T3538] rtnl_newlink (net/core/rtnetlink.c:4215) [ 89.736523][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736524][ T3538] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 89.736525][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.736527][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736528][ T3538] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 89.736529][ T3538] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 89.736531][ T3538] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 89.736532][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736533][ T3538] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 89.736536][ T3538] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 89.736539][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736540][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.736541][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736542][ T3538] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 89.736544][ T3538] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 89.736545][ T3538] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 89.736547][ T3538] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 89.736548][ T3538] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 89.736550][ T3538] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 89.736552][ T3538] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 89.736553][ T3538] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 89.736555][ T3538] ? netlink_ack (./include/linux/skbuff.h:2718) [ 89.736556][ T3538] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 89.736559][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736561][ T3538] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 89.736563][ T3538] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 89.736565][ T3538] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 89.736566][ T3538] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 89.736568][ T3538] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 89.736570][ T3538] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 89.736572][ T3538] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 89.736574][ T3538] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.736575][ T3538] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 89.736578][ T3538] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 89.736580][ T3538] ____sys_sendmsg (net/socket.c:2713) [ 89.736582][ T3538] ? copy_msghdr_from_user (net/socket.c:2650) [ 89.736583][ T3538] ? sock_write_iter (net/socket.c:1269) [ 89.736585][ T3538] ? move_addr_to_kernel (net/socket.c:258) [ 89.736586][ T3538] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 89.736589][ T3538] ___sys_sendmsg (net/socket.c:2767) [ 89.736590][ T3538] ? copy_msghdr_from_user (net/socket.c:2619) [ 89.736595][ T3538] __sys_sendmsg (net/socket.c:2799) [ 89.736597][ T3538] ? __sys_sendmsg_sock (net/socket.c:2780) [ 89.736600][ T3538] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.736601][ T3538] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 89.736603][ T3538] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 89.736605][ T3538] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 89.736606][ T3538] RIP: 0033:0x7f396045254e [ 89.736608][ T3538] 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 [ 89.736610][ T3538] RSP: 002b:00007ffe0906ee20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 89.736614][ T3538] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f396045254e [ 89.736615][ T3538] RDX: 0000000000000000 RSI: 00007ffe0906eed0 RDI: 0000000000000005 [ 89.736616][ T3538] RBP: 00007ffe0906ee30 R08: 0000000000000000 R09: 0000000000000000 [ 89.736617][ T3538] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dec [ 89.736618][ T3538] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe0906f5a0 | [ 90.993701][ T3637] softirqs last disabled at (0): 0x0 | [ 90.993702][ T3637] Preemption disabled at: | [ 90.993703][ T3637] vprintk_emit (kernel/printk/printk.c:2471) | [ 90.993713][ T3637] Tainted: [W]=WARN [ 90.993714][ T3637] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 90.993716][ T3637] Call Trace: [ 90.993717][ T3637] [ 90.993719][ T3637] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 90.993725][ T3637] ? vprintk_emit (kernel/printk/printk.c:2471) [ 90.993726][ T3637] __might_resched.cold (kernel/sched/core.c:9234) [ 90.993729][ T3637] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 90.993733][ T3637] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 90.993736][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993738][ T3637] __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)) [ 90.993741][ T3637] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 90.993744][ T3637] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 90.993749][ T3637] ? 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) [ 90.993751][ T3637] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 90.993753][ T3637] put_chars (drivers/char/virtio_console.c:1176) [ 90.993755][ T3637] ? __send_to_port (drivers/char/virtio_console.c:654) [ 90.993756][ T3637] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 90.993759][ T3637] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 90.993764][ T3637] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 90.993766][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993767][ T3637] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.993769][ T3637] console_emit_next_record (kernel/printk/printk.c:3183) [ 90.993772][ T3637] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 90.993774][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993775][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993776][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993777][ T3637] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.993779][ T3637] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 90.993780][ T3637] console_flush_one_record (kernel/printk/printk.c:3268) [ 90.993783][ T3637] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 90.993785][ T3637] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 90.993787][ T3637] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.993789][ T3637] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 90.993791][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993792][ T3637] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 90.993793][ T3637] ? 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) [ 90.993794][ T3637] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 90.993796][ T3637] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 90.993798][ T3637] ? vprintk_emit (kernel/printk/printk.c:2478) [ 90.993799][ T3637] vprintk_emit (kernel/printk/printk.c:2479) [ 90.993808][ T3637] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 90.993810][ T3637] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 90.993811][ T3637] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 90.993814][ T3637] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.993816][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993817][ T3637] _printk (kernel/printk/printk.c:2504) [ 90.993820][ T3637] ? snapshot_read.cold (user.c:?) [ 90.993822][ T3637] ? br_multicast_flood (??:?) [ 90.993826][ T3637] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 90.993829][ T3637] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 90.993830][ T3637] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 90.993832][ T3637] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 90.993834][ T3637] br_init_port (net/bridge/br_stp_if.c:39) [ 90.993836][ T3637] new_nbp (net/bridge/br_if.c:449) [ 90.993838][ T3637] br_add_if (net/bridge/br_if.c:592) [ 90.993840][ T3637] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 90.993843][ T3637] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 90.993844][ T3637] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 90.993847][ T3637] do_set_master (net/core/rtnetlink.c:3071) [ 90.993849][ T3637] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 90.993850][ T3637] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 90.993852][ T3637] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 90.993853][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993854][ T3637] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 90.993857][ T3637] ? kasan_save_stack (mm/kasan/common.c:58) [ 90.993859][ T3637] ? kasan_save_stack (mm/kasan/common.c:57) [ 90.993860][ T3637] ? kasan_save_track (mm/kasan/common.c:78) [ 90.993861][ T3637] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 90.993862][ T3637] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 90.993863][ T3637] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 90.993864][ T3637] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 90.993865][ T3637] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 90.993868][ T3637] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 90.993870][ T3637] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 90.993871][ T3637] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 90.993874][ T3637] ? ____sys_sendmsg (net/socket.c:2713) [ 90.993876][ T3637] ? ___sys_sendmsg (net/socket.c:2767) [ 90.993877][ T3637] ? __sys_sendmsg (net/socket.c:2799) [ 90.993879][ T3637] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 90.993882][ T3637] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 90.993884][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993885][ T3637] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.993887][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993888][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993889][ T3637] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 90.993890][ T3637] ? __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) [ 90.993892][ T3637] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 90.993893][ T3637] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 90.993895][ T3637] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 90.993896][ T3637] ? nla_get_range_signed (lib/nlattr.c:270) [ 90.993899][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993900][ T3637] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 90.993902][ T3637] rtnl_newlink (net/core/rtnetlink.c:4215) [ 90.993904][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993905][ T3637] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 90.993907][ T3637] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.993908][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993910][ T3637] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 90.993911][ T3637] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 90.993912][ T3637] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 90.993913][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993914][ T3637] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 90.993918][ T3637] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 90.993920][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993921][ T3637] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.993922][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993923][ T3637] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 90.993924][ T3637] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 90.993926][ T3637] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 90.993927][ T3637] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 90.993929][ T3637] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 90.993931][ T3637] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 90.993932][ T3637] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 90.993934][ T3637] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 90.993935][ T3637] ? netlink_ack (./include/linux/skbuff.h:2718) [ 90.993937][ T3637] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 90.993940][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993941][ T3637] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 90.993943][ T3637] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 90.993945][ T3637] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 90.993947][ T3637] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 90.993948][ T3637] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 90.993951][ T3637] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 90.993952][ T3637] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 90.993954][ T3637] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 90.993955][ T3637] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 90.993958][ T3637] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 90.993960][ T3637] ____sys_sendmsg (net/socket.c:2713) [ 90.993962][ T3637] ? copy_msghdr_from_user (net/socket.c:2650) [ 90.993963][ T3637] ? sock_write_iter (net/socket.c:1269) [ 90.993965][ T3637] ? move_addr_to_kernel (net/socket.c:258) [ 90.993966][ T3637] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 90.993969][ T3637] ___sys_sendmsg (net/socket.c:2767) [ 90.993970][ T3637] ? copy_msghdr_from_user (net/socket.c:2619) [ 90.993975][ T3637] __sys_sendmsg (net/socket.c:2799) [ 90.993977][ T3637] ? __sys_sendmsg_sock (net/socket.c:2780) [ 90.993980][ T3637] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 90.993981][ T3637] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 90.993983][ T3637] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 90.993985][ T3637] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 90.993986][ T3637] RIP: 0033:0x7fc27075e54e [ 90.993988][ T3637] 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 [ 90.993990][ T3637] RSP: 002b:00007fffe6100e10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 90.993993][ T3637] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc27075e54e [ 90.993995][ T3637] RDX: 0000000000000000 RSI: 00007fffe6100ec0 RDI: 0000000000000005 [ 90.993996][ T3637] RBP: 00007fffe6100e20 R08: 0000000000000000 R09: 0000000000000000 [ 90.993996][ T3637] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912dee [ 90.993997][ T3637] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe6101590 | [ 92.236511][ T3733] softirqs last disabled at (0): 0x0 | [ 92.236513][ T3733] Preemption disabled at: | [ 92.236514][ T3733] vprintk_emit (kernel/printk/printk.c:2471) | [ 92.236524][ T3733] Tainted: [W]=WARN [ 92.236525][ T3733] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 92.236527][ T3733] Call Trace: [ 92.236528][ T3733] [ 92.236529][ T3733] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 92.236535][ T3733] ? vprintk_emit (kernel/printk/printk.c:2471) [ 92.236536][ T3733] __might_resched.cold (kernel/sched/core.c:9234) [ 92.236540][ T3733] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 92.236543][ T3733] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 92.236546][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236549][ T3733] __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)) [ 92.236552][ T3733] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.236554][ T3733] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 92.236560][ T3733] ? 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) [ 92.236561][ T3733] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 92.236564][ T3733] put_chars (drivers/char/virtio_console.c:1176) [ 92.236565][ T3733] ? __send_to_port (drivers/char/virtio_console.c:654) [ 92.236567][ T3733] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 92.236570][ T3733] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 92.236575][ T3733] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 92.236577][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236578][ T3733] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.236580][ T3733] console_emit_next_record (kernel/printk/printk.c:3183) [ 92.236583][ T3733] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 92.236585][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236586][ T3733] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.236588][ T3733] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 92.236590][ T3733] console_flush_one_record (kernel/printk/printk.c:3268) [ 92.236592][ T3733] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 92.236595][ T3733] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 92.236597][ T3733] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.236599][ T3733] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 92.236600][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236601][ T3733] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 92.236603][ T3733] ? 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) [ 92.236604][ T3733] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 92.236606][ T3733] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 92.236608][ T3733] ? vprintk_emit (kernel/printk/printk.c:2478) [ 92.236609][ T3733] vprintk_emit (kernel/printk/printk.c:2479) [ 92.236611][ T3733] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 92.236612][ T3733] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 92.236613][ T3733] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 92.236617][ T3733] _printk (kernel/printk/printk.c:2504) [ 92.236620][ T3733] ? snapshot_read.cold (user.c:?) [ 92.236622][ T3733] ? br_multicast_flood (??:?) [ 92.236626][ T3733] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 92.236628][ T3733] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 92.236630][ T3733] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 92.236632][ T3733] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 92.236635][ T3733] br_init_port (net/bridge/br_stp_if.c:39) [ 92.236637][ T3733] new_nbp (net/bridge/br_if.c:449) [ 92.236639][ T3733] br_add_if (net/bridge/br_if.c:592) [ 92.236641][ T3733] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 92.236644][ T3733] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 92.236645][ T3733] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 92.236648][ T3733] do_set_master (net/core/rtnetlink.c:3071) [ 92.236650][ T3733] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 92.236651][ T3733] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 92.236653][ T3733] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 92.236654][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236655][ T3733] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 92.236659][ T3733] ? kasan_save_stack (mm/kasan/common.c:58) [ 92.236661][ T3733] ? kasan_save_stack (mm/kasan/common.c:57) [ 92.236662][ T3733] ? kasan_save_track (mm/kasan/common.c:78) [ 92.236663][ T3733] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 92.236664][ T3733] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 92.236665][ T3733] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 92.236666][ T3733] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 92.236667][ T3733] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 92.236670][ T3733] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 92.236672][ T3733] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 92.236673][ T3733] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 92.236676][ T3733] ? ____sys_sendmsg (net/socket.c:2713) [ 92.236677][ T3733] ? ___sys_sendmsg (net/socket.c:2767) [ 92.236679][ T3733] ? __sys_sendmsg (net/socket.c:2799) [ 92.236681][ T3733] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 92.236684][ T3733] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 92.236686][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236688][ T3733] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.236689][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236690][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236691][ T3733] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 92.236693][ T3733] ? __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) [ 92.236694][ T3733] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 92.236696][ T3733] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 92.236697][ T3733] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 92.236698][ T3733] ? nla_get_range_signed (lib/nlattr.c:270) [ 92.236702][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236703][ T3733] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 92.236705][ T3733] rtnl_newlink (net/core/rtnetlink.c:4215) [ 92.236707][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236708][ T3733] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 92.236710][ T3733] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.236711][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236712][ T3733] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 92.236714][ T3733] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 92.236715][ T3733] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 92.236716][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236717][ T3733] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 92.236720][ T3733] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 92.236723][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236724][ T3733] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.236725][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236726][ T3733] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 92.236728][ T3733] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 92.236729][ T3733] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 92.236731][ T3733] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 92.236732][ T3733] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 92.236734][ T3733] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 92.236736][ T3733] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 92.236737][ T3733] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 92.236739][ T3733] ? netlink_ack (./include/linux/skbuff.h:2718) [ 92.236740][ T3733] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 92.236743][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236744][ T3733] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 92.236746][ T3733] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 92.236748][ T3733] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 92.236750][ T3733] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 92.236752][ T3733] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 92.236754][ T3733] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 92.236755][ T3733] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 92.236757][ T3733] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 92.236758][ T3733] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 92.236761][ T3733] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 92.236763][ T3733] ____sys_sendmsg (net/socket.c:2713) [ 92.236765][ T3733] ? copy_msghdr_from_user (net/socket.c:2650) [ 92.236766][ T3733] ? sock_write_iter (net/socket.c:1269) [ 92.236768][ T3733] ? move_addr_to_kernel (net/socket.c:258) [ 92.236769][ T3733] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 92.236772][ T3733] ___sys_sendmsg (net/socket.c:2767) [ 92.236774][ T3733] ? copy_msghdr_from_user (net/socket.c:2619) [ 92.236778][ T3733] __sys_sendmsg (net/socket.c:2799) [ 92.236780][ T3733] ? __sys_sendmsg_sock (net/socket.c:2780) [ 92.236783][ T3733] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 92.236784][ T3733] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 92.236786][ T3733] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 92.236788][ T3733] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 92.236790][ T3733] RIP: 0033:0x7f144a1bc54e [ 92.236791][ T3733] 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 [ 92.236793][ T3733] RSP: 002b:00007ffe8b44e010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 92.236797][ T3733] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f144a1bc54e [ 92.236798][ T3733] RDX: 0000000000000000 RSI: 00007ffe8b44e0c0 RDI: 0000000000000005 [ 92.236799][ T3733] RBP: 00007ffe8b44e020 R08: 0000000000000000 R09: 0000000000000000 [ 92.236800][ T3733] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912def [ 92.236801][ T3733] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe8b44e790 | [ 93.321139][ T3801] softirqs last disabled at (0): 0x0 | [ 93.321142][ T3801] Preemption disabled at: | [ 93.321143][ T3801] vprintk_emit (kernel/printk/printk.c:2471) | [ 93.321156][ T3801] Tainted: [W]=WARN [ 93.321157][ T3801] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 93.321159][ T3801] Call Trace: [ 93.321161][ T3801] [ 93.321163][ T3801] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 93.321169][ T3801] ? vprintk_emit (kernel/printk/printk.c:2471) [ 93.321171][ T3801] __might_resched.cold (kernel/sched/core.c:9234) [ 93.321175][ T3801] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 93.321179][ T3801] ? __asan_memcpy (mm/kasan/shadow.c:106 (discriminator 1)) [ 93.321183][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321187][ T3801] __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)) [ 93.321190][ T3801] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.321193][ T3801] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 93.321200][ T3801] ? 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) [ 93.321202][ T3801] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 93.321206][ T3801] put_chars (drivers/char/virtio_console.c:1176) [ 93.321208][ T3801] ? __send_to_port (drivers/char/virtio_console.c:654) [ 93.321211][ T3801] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 93.321215][ T3801] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 93.321222][ T3801] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 93.321225][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321227][ T3801] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.321230][ T3801] console_emit_next_record (kernel/printk/printk.c:3183) [ 93.321234][ T3801] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 93.321237][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321239][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321240][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321242][ T3801] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.321245][ T3801] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 93.321247][ T3801] console_flush_one_record (kernel/printk/printk.c:3268) [ 93.321251][ T3801] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 93.321255][ T3801] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 93.321257][ T3801] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.321260][ T3801] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 93.321262][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321264][ T3801] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 93.321266][ T3801] ? 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) [ 93.321268][ T3801] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 93.321271][ T3801] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 93.321273][ T3801] ? vprintk_emit (kernel/printk/printk.c:2478) [ 93.321275][ T3801] vprintk_emit (kernel/printk/printk.c:2479) [ 93.321278][ T3801] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 93.321280][ T3801] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 93.321282][ T3801] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 93.321287][ T3801] _printk (kernel/printk/printk.c:2504) [ 93.321290][ T3801] ? snapshot_read.cold (user.c:?) [ 93.321293][ T3801] ? br_multicast_flood (??:?) [ 93.321298][ T3801] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 93.321301][ T3801] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 93.321303][ T3801] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 93.321306][ T3801] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 93.321310][ T3801] br_init_port (net/bridge/br_stp_if.c:39) [ 93.321313][ T3801] new_nbp (net/bridge/br_if.c:449) [ 93.321316][ T3801] br_add_if (net/bridge/br_if.c:592) [ 93.321319][ T3801] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 93.321322][ T3801] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 93.321324][ T3801] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 93.321328][ T3801] do_set_master (net/core/rtnetlink.c:3071) [ 93.321331][ T3801] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 93.321334][ T3801] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 93.321336][ T3801] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 93.321338][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321340][ T3801] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 93.321344][ T3801] ? kasan_save_stack (mm/kasan/common.c:58) [ 93.321347][ T3801] ? kasan_save_stack (mm/kasan/common.c:57) [ 93.321348][ T3801] ? kasan_save_track (mm/kasan/common.c:78) [ 93.321350][ T3801] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 93.321352][ T3801] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 93.321353][ T3801] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 93.321355][ T3801] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 93.321357][ T3801] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 93.321360][ T3801] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 93.321363][ T3801] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 93.321365][ T3801] ? __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 93.321368][ T3801] ? ____sys_sendmsg (net/socket.c:2713) [ 93.321370][ T3801] ? ___sys_sendmsg (net/socket.c:2767) [ 93.321372][ T3801] ? __sys_sendmsg (net/socket.c:2799) [ 93.321375][ T3801] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 93.321381][ T3801] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 93.321385][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321387][ T3801] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.321389][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321390][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321392][ T3801] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 93.321395][ T3801] ? __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) [ 93.321397][ T3801] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 93.321399][ T3801] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 93.321401][ T3801] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 93.321403][ T3801] ? nla_get_range_signed (lib/nlattr.c:270) [ 93.321408][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321410][ T3801] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 93.321413][ T3801] rtnl_newlink (net/core/rtnetlink.c:4215) [ 93.321416][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321418][ T3801] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 93.321420][ T3801] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.321422][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321424][ T3801] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 93.321426][ T3801] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 93.321428][ T3801] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 93.321431][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321432][ T3801] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 93.321436][ T3801] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:26) [ 93.321439][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321441][ T3801] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.321443][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321445][ T3801] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 93.321447][ T3801] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 93.321450][ T3801] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 93.321452][ T3801] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 93.321454][ T3801] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 93.321458][ T3801] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 93.321460][ T3801] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 93.321462][ T3801] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 93.321464][ T3801] ? netlink_ack (./include/linux/skbuff.h:2718) [ 93.321467][ T3801] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 93.321471][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321473][ T3801] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 93.321476][ T3801] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 93.321479][ T3801] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 93.321482][ T3801] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 93.321485][ T3801] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 93.321488][ T3801] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 93.321490][ T3801] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 93.321493][ T3801] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 93.321495][ T3801] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 93.321499][ T3801] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 93.321502][ T3801] ____sys_sendmsg (net/socket.c:2713) [ 93.321504][ T3801] ? copy_msghdr_from_user (net/socket.c:2650) [ 93.321507][ T3801] ? sock_write_iter (net/socket.c:1269) [ 93.321509][ T3801] ? move_addr_to_kernel (net/socket.c:258) [ 93.321511][ T3801] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 93.321515][ T3801] ___sys_sendmsg (net/socket.c:2767) [ 93.321518][ T3801] ? copy_msghdr_from_user (net/socket.c:2619) [ 93.321526][ T3801] __sys_sendmsg (net/socket.c:2799) [ 93.321528][ T3801] ? __sys_sendmsg_sock (net/socket.c:2780) [ 93.321532][ T3801] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 93.321535][ T3801] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 93.321537][ T3801] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 93.321540][ T3801] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 93.321542][ T3801] RIP: 0033:0x7f47e479e54e [ 93.321545][ T3801] 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 [ 93.321548][ T3801] RSP: 002b:00007fff00c00510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 93.321552][ T3801] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f47e479e54e [ 93.321554][ T3801] RDX: 0000000000000000 RSI: 00007fff00c005c0 RDI: 0000000000000005 [ 93.321556][ T3801] RBP: 00007fff00c00520 R08: 0000000000000000 R09: 0000000000000000 [ 93.321557][ T3801] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912df0 [ 93.321558][ T3801] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff00c00c90 | [ 94.552825][ T72] softirqs last disabled at (11): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 94.552827][ T72] Preemption disabled at: | [ 94.552828][ T72] vprintk_emit (kernel/printk/printk.c:2471) | [ 94.552838][ T72] Tainted: [W]=WARN [ 94.552839][ T72] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 94.552840][ T72] Workqueue: netns cleanup_net [ 94.552846][ T72] Call Trace: [ 94.552848][ T72] [ 94.552849][ T72] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 94.552855][ T72] ? vprintk_emit (kernel/printk/printk.c:2471) [ 94.552856][ T72] __might_resched.cold (kernel/sched/core.c:9234) [ 94.552859][ T72] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 94.552861][ T72] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 94.552864][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.552867][ T72] __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)) [ 94.552869][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.552873][ T72] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.552877][ T72] ? 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) [ 94.552879][ T72] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 94.552881][ T72] put_chars (drivers/char/virtio_console.c:1176) [ 94.552883][ T72] ? __send_to_port (drivers/char/virtio_console.c:654) [ 94.552885][ T72] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 94.552887][ T72] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 94.552892][ T72] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 94.552894][ T72] ? vsnprintf (lib/vsprintf.c:2953 (discriminator 1)) [ 94.552896][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.552898][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.552899][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.552900][ T72] console_emit_next_record (kernel/printk/printk.c:3183) [ 94.552903][ T72] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 94.552905][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.552906][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.552907][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.552908][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.552910][ T72] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 94.552912][ T72] console_flush_one_record (kernel/printk/printk.c:3268) [ 94.552914][ T72] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 94.552917][ T72] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 94.552919][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.552920][ T72] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 94.552922][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.552923][ T72] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 94.552925][ T72] ? 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) [ 94.552926][ T72] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6)) [ 94.552927][ T72] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 94.552929][ T72] ? vprintk_emit (kernel/printk/printk.c:2478) [ 94.552931][ T72] vprintk_emit (kernel/printk/printk.c:2479) [ 94.552932][ T72] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 94.552933][ T72] ? cleanup_net (net/core/net_namespace.c:706) [ 94.552935][ T72] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 94.552938][ T72] ? kthread (kernel/kthread.c:436) [ 94.552940][ T72] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 94.552943][ T72] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 94.552945][ T72] _printk (kernel/printk/printk.c:2504) [ 94.552948][ T72] ? snapshot_read.cold (user.c:?) [ 94.552951][ T72] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 94.552954][ T72] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 94.552956][ T72] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 94.552958][ T72] ? netdev_notice (net/core/dev.c:13194) [ 94.552960][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.552961][ T72] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 94.552963][ T72] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 94.552965][ T72] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 94.552967][ T72] ? 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) [ 94.552968][ T72] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 94.552970][ T72] dev_set_allmulti (net/core/dev_api.c:315) [ 94.552973][ T72] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 94.552976][ T72] br_dev_delete (net/bridge/br_if.c:387) [ 94.552978][ T72] br_net_exit_rtnl (net/bridge/br.c:414) [ 94.552981][ T72] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 94.552983][ T72] ? netns_install (./include/linux/ns_common.h:26) [ 94.552985][ T72] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 94.552988][ T72] cleanup_net (net/core/net_namespace.c:706) [ 94.552990][ T72] ? net_passive_dec (./include/linux/llist.h:241) [ 94.552991][ T72] ? update_load_avg (kernel/sched/fair.c:5864) [ 94.552994][ T72] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 94.552995][ T72] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 94.552997][ T72] process_one_work (kernel/workqueue.c:3387) [ 94.553000][ T72] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 94.553002][ T72] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 94.553005][ T72] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 94.553007][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 94.553009][ T72] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 94.553011][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 94.553012][ T72] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 94.553014][ T72] kthread (kernel/kthread.c:436) [ 94.553016][ T72] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 94.553017][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) [ 94.553019][ T72] ret_from_fork (arch/x86/kernel/process.c:158) [ 94.553021][ T72] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 94.553023][ T72] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 94.553025][ T72] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars