====================================== | [ 9.342755][ T204] softirqs last disabled at (0): 0x0 | [ 9.342757][ T204] Preemption disabled at: | [ 9.342758][ T204] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.342769][ T204] Tainted: [W]=WARN [ 9.342769][ T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.342771][ T204] Call Trace: [ 9.342772][ T204] [ 9.342774][ T204] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.342779][ T204] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.342781][ T204] __might_resched.cold (kernel/sched/core.c:9234) [ 9.342785][ T204] ? __module_address (kernel/module/main.c:3915) [ 9.342788][ T204] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.342791][ T204] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 9.342793][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.342796][ T204] __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)) [ 9.342799][ T204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.342802][ T204] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.342806][ T204] ? 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) [ 9.342807][ T204] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.342809][ T204] put_chars (drivers/char/virtio_console.c:1176) [ 9.342811][ T204] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 9.342812][ T204] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.342814][ T204] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 9.342816][ T204] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.342820][ T204] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.342821][ T204] ? 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) [ 9.342823][ T204] ? vsnprintf (lib/vsprintf.c:2900) [ 9.342826][ T204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.342827][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.342829][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.342831][ T204] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.342834][ T204] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.342836][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.342837][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.342839][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.342840][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.342842][ T204] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 9.342844][ T204] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.342846][ T204] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.342849][ T204] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.342850][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.342852][ T204] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.342853][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.342855][ T204] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.342856][ T204] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.342858][ T204] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 9.342860][ T204] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.342862][ T204] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.342863][ T204] vprintk_emit (kernel/printk/printk.c:2479) [ 9.342866][ T204] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.342868][ T204] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.342869][ T204] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 9.342872][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.342873][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.342876][ T204] _printk (kernel/printk/printk.c:2504) [ 9.342879][ T204] ? snapshot_read.cold (user.c:?) [ 9.342882][ T204] ? br_multicast_flood (??:?) bridge [ 9.342897][ T204] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 9.342900][ T204] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.342902][ T204] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.342904][ T204] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 9.342912][ T204] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 9.342919][ T204] new_nbp (net/bridge/br_if.c:449) bridge [ 9.342926][ T204] br_add_if (net/bridge/br_if.c:592) bridge [ 9.342933][ T204] ? bpf_address_lookup (kernel/bpf/core.c:730) [ 9.342936][ T204] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 9.342938][ T204] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 9.342940][ T204] ? __kernel_text_address (kernel/extable.c:79) [ 9.342942][ T204] do_set_master (net/core/rtnetlink.c:3071) [ 9.342945][ T204] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 9.342946][ T204] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 9.342948][ T204] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.342949][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.342951][ T204] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 9.342955][ T204] ? kasan_save_stack (mm/kasan/common.c:58) [ 9.342957][ T204] ? kasan_save_stack (mm/kasan/common.c:57) [ 9.342959][ T204] ? kasan_save_track (mm/kasan/common.c:78) [ 9.342960][ T204] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 9.342962][ T204] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 9.342963][ T204] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 9.342964][ T204] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.342965][ T204] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.342968][ T204] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.342969][ T204] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.342970][ T204] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 9.342972][ T204] ? ___sys_sendmsg (net/socket.c:2767) [ 9.342974][ T204] ? __sys_sendmsg (net/socket.c:2799) [ 9.342975][ T204] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.342977][ T204] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.342980][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.342981][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.342983][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.342984][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.342986][ T204] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.342989][ T204] ? __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) [ 9.342991][ T204] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.342992][ T204] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 9.342994][ T204] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.342995][ T204] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.342997][ T204] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 9.342999][ T204] rtnl_newlink (net/core/rtnetlink.c:4215) [ 9.343001][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.343003][ T204] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.343011][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.343012][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.343014][ T204] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 9.343016][ T204] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 9.343018][ T204] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 9.343019][ T204] ? __kernel_text_address (kernel/extable.c:79) [ 9.343020][ T204] ? write_profile (profile.c:?) [ 9.343021][ T204] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.343024][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.343025][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.343027][ T204] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.343031][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.343032][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.343034][ T204] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 9.343035][ T204] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.343037][ T204] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.343038][ T204] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.343039][ T204] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 9.343042][ T204] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.343043][ T204] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.343044][ T204] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.343046][ T204] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.343047][ T204] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 9.343050][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.343051][ T204] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.343053][ T204] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.343055][ T204] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.343057][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.343058][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.343060][ T204] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.343062][ T204] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.343064][ T204] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.343067][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.343070][ T204] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 9.343072][ T204] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 9.343075][ T204] ? copy_msghdr_from_user (net/socket.c:2650) [ 9.343077][ T204] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 9.343079][ T204] ? move_addr_to_kernel (net/socket.c:258) [ 9.343081][ T204] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.343085][ T204] ___sys_sendmsg (net/socket.c:2767) [ 9.343088][ T204] ? copy_msghdr_from_user (net/socket.c:2619) [ 9.343094][ T204] __sys_sendmsg (net/socket.c:2799) [ 9.343096][ T204] ? __sys_sendmsg_sock (net/socket.c:2780) [ 9.343099][ T204] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.343101][ T204] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.343102][ T204] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.343105][ T204] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.343106][ T204] RIP: 0033:0x7f59bf7b854e [ 9.343108][ T204] 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 [ 9.343110][ T204] RSP: 002b:00007fffccd04620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 9.343113][ T204] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f59bf7b854e [ 9.343115][ T204] RDX: 0000000000000000 RSI: 00007fffccd046d0 RDI: 0000000000000005 [ 9.343116][ T204] RBP: 00007fffccd04630 R08: 0000000000000000 R09: 0000000000000000 [ 9.343117][ T204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913042 [ 9.343117][ T204] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffccd04d90 | [ 14.807032][ T243] softirqs last disabled at (0): 0x0 | [ 14.807034][ T243] Preemption disabled at: | [ 14.807035][ T243] 0x0 | [ 14.807043][ T243] Tainted: [W]=WARN [ 14.807044][ T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.807046][ T243] Call Trace: [ 14.807047][ T243] [ 14.807049][ T243] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 14.807056][ T243] __might_resched.cold (kernel/sched/core.c:9234) [ 14.807060][ T243] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 14.807064][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807068][ T243] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 14.807071][ T243] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.807074][ T243] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.807078][ T243] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 14.807079][ T243] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 14.807081][ T243] put_chars (drivers/char/virtio_console.c:1176) [ 14.807084][ T243] ? __send_to_port (drivers/char/virtio_console.c:654) [ 14.807085][ T243] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 14.807088][ T243] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 14.807092][ T243] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 14.807094][ T243] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 14.807095][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807097][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.807099][ T243] console_emit_next_record (kernel/printk/printk.c:3183) [ 14.807102][ T243] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 14.807104][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807105][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807107][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807109][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.807111][ T243] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 14.807112][ T243] console_flush_one_record (kernel/printk/printk.c:3268) [ 14.807115][ T243] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 14.807117][ T243] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 14.807119][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.807120][ T243] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 14.807122][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807124][ T243] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 14.807125][ T243] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 14.807126][ T243] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 14.807128][ T243] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 14.807130][ T243] ? vprintk_emit (kernel/printk/printk.c:2478) [ 14.807132][ T243] vprintk_emit (kernel/printk/printk.c:2479) [ 14.807135][ T243] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 14.807136][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807138][ T243] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.807141][ T243] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 14.807142][ T243] _printk (kernel/printk/printk.c:2504) [ 14.807146][ T243] ? snapshot_read.cold (user.c:?) [ 14.807148][ T243] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 14.807153][ T243] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 14.807166][ T243] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 14.807174][ T243] br_device_event (net/bridge/br.c:111) bridge [ 14.807183][ T243] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 14.807186][ T243] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 14.807189][ T243] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 14.807192][ T243] notifier_call_chain (kernel/notifier.c:85) [ 14.807195][ T243] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 14.807199][ T243] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 14.807200][ T243] ? netif_change_name (net/core/dev.c:1517) [ 14.807203][ T243] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 14.807205][ T243] ? __kernel_text_address (kernel/extable.c:79) [ 14.807207][ T243] ? write_profile (profile.c:?) [ 14.807209][ T243] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 14.807212][ T243] netif_change_flags (net/core/dev.c:9882) [ 14.807214][ T243] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 14.807217][ T243] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 14.807219][ T243] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 14.807220][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807221][ T243] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 14.807225][ T243] ? kasan_save_stack (mm/kasan/common.c:58) [ 14.807229][ T243] ? kasan_save_stack (mm/kasan/common.c:57) [ 14.807230][ T243] ? kasan_save_track (mm/kasan/common.c:78) [ 14.807231][ T243] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 14.807233][ T243] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 14.807235][ T243] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 14.807236][ T243] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.807237][ T243] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.807239][ T243] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.807241][ T243] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.807242][ T243] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.807245][ T243] ? ___sys_sendmsg (net/socket.c:2767) [ 14.807246][ T243] ? __sys_sendmsg (net/socket.c:2799) [ 14.807248][ T243] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.807250][ T243] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.807252][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807254][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.807255][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807257][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807259][ T243] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 14.807262][ T243] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 14.807263][ T243] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 14.807265][ T243] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 14.807266][ T243] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 14.807268][ T243] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 14.807270][ T243] rtnl_newlink (net/core/rtnetlink.c:4215) [ 14.807272][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807274][ T243] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.807275][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.807276][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807278][ T243] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 14.807282][ T243] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 14.807283][ T243] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 14.807285][ T243] ? __kernel_text_address (kernel/extable.c:79) [ 14.807286][ T243] ? write_profile (profile.c:?) [ 14.807287][ T243] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 14.807289][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807290][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807292][ T243] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 14.807296][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.807297][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807299][ T243] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 14.807300][ T243] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 14.807302][ T243] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.807303][ T243] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 14.807304][ T243] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 14.807307][ T243] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 14.807308][ T243] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 14.807309][ T243] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 14.807311][ T243] ? netlink_ack (./include/linux/skbuff.h:2718) [ 14.807312][ T243] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 14.807315][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807316][ T243] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 14.807318][ T243] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 14.807320][ T243] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 14.807322][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807323][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807325][ T243] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 14.807327][ T243] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 14.807329][ T243] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 14.807331][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807332][ T243] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 14.807334][ T243] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 14.807336][ T243] ? copy_msghdr_from_user (net/socket.c:2650) [ 14.807338][ T243] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 14.807339][ T243] ? move_addr_to_kernel (net/socket.c:258) [ 14.807340][ T243] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 14.807343][ T243] ___sys_sendmsg (net/socket.c:2767) [ 14.807345][ T243] ? copy_msghdr_from_user (net/socket.c:2619) [ 14.807349][ T243] __sys_sendmsg (net/socket.c:2799) [ 14.807351][ T243] ? __sys_sendmsg_sock (net/socket.c:2780) [ 14.807354][ T243] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 14.807356][ T243] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 14.807357][ T243] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 14.807359][ T243] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 14.807361][ T243] RIP: 0033:0x7fd706d6654e [ 14.807363][ T243] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 14.807365][ T243] RSP: 002b:00007ffe05368a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 14.807369][ T243] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd706d6654e [ 14.807370][ T243] RDX: 0000000000000000 RSI: 00007ffe05368b40 RDI: 0000000000000005 [ 14.807371][ T243] RBP: 00007ffe05368aa0 R08: 0000000000000000 R09: 0000000000000000 [ 14.807372][ T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913048 Finger prints: vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __kmalloc_noprof:put_chars:hvc_console_print:console_emit_next_record:console_flush_one_record