====================================== | [ 10.725406][ T227] softirqs last disabled at (0): 0x0 | [ 10.725407][ T227] Preemption disabled at: | [ 10.725408][ T227] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.725419][ T227] Tainted: [W]=WARN [ 10.725420][ T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.725422][ T227] Call Trace: [ 10.725424][ T227] [ 10.725425][ T227] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.725430][ T227] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.725433][ T227] __might_resched.cold (kernel/sched/core.c:9234) [ 10.725436][ T227] ? __module_address (kernel/module/main.c:3915) [ 10.725440][ T227] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.725443][ T227] ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128) [ 10.725445][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725449][ T227] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 10.725452][ T227] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.725455][ T227] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.725459][ T227] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 10.725461][ T227] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.725462][ T227] put_chars (drivers/char/virtio_console.c:1176) [ 10.725464][ T227] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 10.725466][ T227] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.725467][ T227] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 10.725470][ T227] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.725474][ T227] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.725475][ T227] ? 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) [ 10.725477][ T227] ? vsnprintf (lib/vsprintf.c:2900) [ 10.725480][ T227] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.725482][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725484][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.725486][ T227] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.725489][ T227] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.725491][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725493][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725494][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725496][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.725498][ T227] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 10.725500][ T227] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.725502][ T227] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.725505][ T227] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.725507][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.725509][ T227] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.725510][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725512][ T227] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.725513][ T227] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.725515][ T227] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 10.725517][ T227] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.725519][ T227] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.725521][ T227] vprintk_emit (kernel/printk/printk.c:2479) [ 10.725524][ T227] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.725526][ T227] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.725528][ T227] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 10.725531][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.725532][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725534][ T227] _printk (kernel/printk/printk.c:2504) [ 10.725538][ T227] ? snapshot_read.cold (user.c:?) [ 10.725540][ T227] ? br_multicast_flood (??:?) bridge [ 10.725553][ T227] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.725556][ T227] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.725557][ T227] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.725559][ T227] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 10.725568][ T227] br_init_port (net/bridge/br_stp_if.c:39) bridge [ 10.725576][ T227] new_nbp (net/bridge/br_if.c:449) bridge [ 10.725584][ T227] br_add_if (net/bridge/br_if.c:592) bridge [ 10.725591][ T227] ? bpf_address_lookup (kernel/bpf/core.c:730) [ 10.725594][ T227] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.725596][ T227] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.725599][ T227] ? __kernel_text_address (kernel/extable.c:79) [ 10.725601][ T227] do_set_master (net/core/rtnetlink.c:3071) [ 10.725604][ T227] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 10.725606][ T227] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.725608][ T227] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.725609][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725611][ T227] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 10.725615][ T227] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.725618][ T227] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.725619][ T227] ? kasan_save_track (mm/kasan/common.c:78) [ 10.725621][ T227] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.725623][ T227] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 10.725624][ T227] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 10.725625][ T227] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.725626][ T227] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.725629][ T227] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.725630][ T227] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.725632][ T227] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.725635][ T227] ? ___sys_sendmsg (net/socket.c:2767) [ 10.725637][ T227] ? __sys_sendmsg (net/socket.c:2799) [ 10.725638][ T227] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.725640][ T227] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.725643][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725645][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.725647][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725648][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725650][ T227] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.725653][ T227] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 10.725655][ T227] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.725656][ T227] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.725658][ T227] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.725659][ T227] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.725662][ T227] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.725664][ T227] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.725666][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725668][ T227] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.725669][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.725671][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725673][ T227] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 10.725674][ T227] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 10.725676][ T227] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.725678][ T227] ? __kernel_text_address (kernel/extable.c:79) [ 10.725679][ T227] ? write_profile (profile.c:?) [ 10.725680][ T227] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.725683][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725685][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725686][ T227] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.725690][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.725691][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725693][ T227] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.725695][ T227] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.725696][ T227] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.725698][ T227] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.725699][ T227] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 10.725702][ T227] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.725703][ T227] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.725705][ T227] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.725706][ T227] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.725708][ T227] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 10.725710][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725712][ T227] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.725714][ T227] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.725716][ T227] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.725718][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725720][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725722][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.725724][ T227] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.725726][ T227] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.725728][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725729][ T227] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 10.725731][ T227] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.725733][ T227] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.725735][ T227] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.725737][ T227] ? move_addr_to_kernel (net/socket.c:258) [ 10.725738][ T227] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.725741][ T227] ___sys_sendmsg (net/socket.c:2767) [ 10.725743][ T227] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.725748][ T227] __sys_sendmsg (net/socket.c:2799) [ 10.725750][ T227] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.725753][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.725755][ T227] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.725756][ T227] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.725758][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.725760][ T227] RIP: 0033:0x7f63ba51f54e [ 10.725762][ T227] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 10.725764][ T227] RSP: 002b:00007ffcbbdb11c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.725768][ T227] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f63ba51f54e [ 10.725770][ T227] RDX: 0000000000000000 RSI: 00007ffcbbdb1270 RDI: 0000000000000005 [ 10.725771][ T227] RBP: 00007ffcbbdb11d0 R08: 0000000000000000 R09: 0000000000000000 [ 10.725771][ T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b69 [ 10.725772][ T227] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffcbbdb1930 | [ 18.138367][ T281] softirqs last disabled at (0): 0x0 | [ 18.138368][ T281] Preemption disabled at: | [ 18.138369][ T281] vprintk_emit (kernel/printk/printk.c:2471) | [ 18.138381][ T281] Tainted: [W]=WARN [ 18.138382][ T281] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.138384][ T281] Call Trace: [ 18.138385][ T281] [ 18.138386][ T281] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 18.138391][ T281] ? vprintk_emit (kernel/printk/printk.c:2471) [ 18.138393][ T281] __might_resched.cold (kernel/sched/core.c:9234) [ 18.138397][ T281] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 18.138400][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138405][ T281] __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)) [ 18.138408][ T281] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.138411][ T281] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.138414][ T281] ? 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) [ 18.138416][ T281] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 18.138418][ T281] put_chars (drivers/char/virtio_console.c:1176) [ 18.138420][ T281] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 18.138421][ T281] ? __send_to_port (drivers/char/virtio_console.c:654) [ 18.138423][ T281] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 18.138426][ T281] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 18.138429][ T281] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 18.138430][ T281] ? 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) [ 18.138432][ T281] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.138433][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138435][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138437][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.138439][ T281] console_emit_next_record (kernel/printk/printk.c:3183) [ 18.138441][ T281] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 18.138443][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138445][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138447][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138448][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.138450][ T281] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 18.138452][ T281] console_flush_one_record (kernel/printk/printk.c:3268) [ 18.138454][ T281] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 18.138457][ T281] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 18.138459][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.138460][ T281] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 18.138462][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138464][ T281] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.138465][ T281] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 18.138466][ T281] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 18.138468][ T281] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 18.138470][ T281] ? vprintk_emit (kernel/printk/printk.c:2478) [ 18.138472][ T281] vprintk_emit (kernel/printk/printk.c:2479) [ 18.138475][ T281] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 18.138477][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138478][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.138480][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138482][ T281] _printk (kernel/printk/printk.c:2504) [ 18.138485][ T281] ? snapshot_read.cold (user.c:?) [ 18.138487][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138489][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.138490][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138492][ T281] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 18.138494][ T281] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 18.138496][ T281] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 18.138498][ T281] ? netdev_notice (net/core/dev.c:13194) [ 18.138500][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138502][ T281] ? 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) [ 18.138503][ T281] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 18.138505][ T281] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.138507][ T281] ? 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) [ 18.138510][ T281] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 18.138513][ T281] __dev_change_flags (net/core/dev.c:9821) [ 18.138518][ T281] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 18.138519][ T281] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 18.138522][ T281] ? __kernel_text_address (kernel/extable.c:79) [ 18.138523][ T281] ? write_profile (profile.c:?) [ 18.138525][ T281] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 18.138528][ T281] netif_change_flags (net/core/dev.c:9877) [ 18.138531][ T281] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 18.138534][ T281] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 18.138536][ T281] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 18.138537][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138539][ T281] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 18.138542][ T281] ? kasan_save_stack (mm/kasan/common.c:58) [ 18.138545][ T281] ? kasan_save_stack (mm/kasan/common.c:57) [ 18.138547][ T281] ? kasan_save_track (mm/kasan/common.c:78) [ 18.138548][ T281] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 18.138550][ T281] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 18.138551][ T281] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 18.138553][ T281] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 18.138554][ T281] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 18.138557][ T281] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 18.138558][ T281] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 18.138559][ T281] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 18.138562][ T281] ? ___sys_sendmsg (net/socket.c:2767) [ 18.138563][ T281] ? __sys_sendmsg (net/socket.c:2799) [ 18.138565][ T281] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.138567][ T281] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.138569][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138571][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.138572][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138574][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138576][ T281] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 18.138578][ T281] ? __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) [ 18.138580][ T281] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 18.138581][ T281] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 18.138583][ T281] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 18.138585][ T281] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 18.138587][ T281] rtnl_newlink (net/core/rtnetlink.c:4215) [ 18.138589][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138591][ T281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 18.138592][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.138593][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138596][ T281] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 18.138599][ T281] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 18.138601][ T281] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 18.138602][ T281] ? __kernel_text_address (kernel/extable.c:79) [ 18.138604][ T281] ? write_profile (profile.c:?) [ 18.138605][ T281] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 18.138606][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138608][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138609][ T281] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 18.138613][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.138614][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138616][ T281] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 18.138617][ T281] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 18.138619][ T281] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 18.138621][ T281] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 18.138622][ T281] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 18.138624][ T281] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 18.138626][ T281] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 18.138627][ T281] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.138629][ T281] ? netlink_ack (./include/linux/skbuff.h:2718) [ 18.138630][ T281] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 18.138633][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138634][ T281] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.138636][ T281] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 18.138638][ T281] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 18.138640][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138641][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138643][ T281] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 18.138645][ T281] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 18.138647][ T281] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 18.138649][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138651][ T281] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 18.138652][ T281] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 18.138654][ T281] ? copy_msghdr_from_user (net/socket.c:2650) [ 18.138656][ T281] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 18.138657][ T281] ? move_addr_to_kernel (net/socket.c:258) [ 18.138659][ T281] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 18.138661][ T281] ___sys_sendmsg (net/socket.c:2767) [ 18.138663][ T281] ? copy_msghdr_from_user (net/socket.c:2619) [ 18.138668][ T281] __sys_sendmsg (net/socket.c:2799) [ 18.138670][ T281] ? __sys_sendmsg_sock (net/socket.c:2780) [ 18.138672][ T281] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 18.138675][ T281] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 18.138676][ T281] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 18.138678][ T281] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 18.138680][ T281] RIP: 0033:0x7fb85b4b954e [ 18.138681][ T281] 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 [ 18.138683][ T281] RSP: 002b:00007ffe7d46cb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 18.138687][ T281] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fb85b4b954e [ 18.138688][ T281] RDX: 0000000000000000 RSI: 00007ffe7d46cbd0 RDI: 0000000000000005 [ 18.138689][ T281] RBP: 00007ffe7d46cb30 R08: 0000000000000000 R09: 0000000000000000 [ 18.138690][ T281] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b70 [ 18.138691][ T281] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe7d46d290 | [ 42.859600][ T316] softirqs last disabled at (0): 0x0 | [ 42.859606][ T316] Preemption disabled at: | [ 42.859608][ T316] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.859629][ T316] Tainted: [W]=WARN [ 42.859630][ T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.859633][ T316] Call Trace: [ 42.859637][ T316] [ 42.859641][ T316] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.859652][ T316] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.859658][ T316] __might_resched.cold (kernel/sched/core.c:9234) [ 42.859668][ T316] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.859674][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.859683][ T316] __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)) [ 42.859692][ T316] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.859698][ T316] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.859708][ T316] ? 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) [ 42.859711][ T316] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.859717][ T316] put_chars (drivers/char/virtio_console.c:1176) [ 42.859723][ T316] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 42.859729][ T316] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.859733][ T316] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 42.859741][ T316] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.859750][ T316] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.859753][ T316] ? 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) [ 42.859759][ T316] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.859764][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.859769][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.859773][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.859779][ T316] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.859787][ T316] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.859792][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.859797][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.859801][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.859807][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.859811][ T316] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 42.859813][ T316] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.859822][ T316] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.859830][ T316] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.859834][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.859840][ T316] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.859846][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.859849][ T316] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.859853][ T316] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 42.859859][ T316] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 42.859866][ T316] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.859870][ T316] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.859875][ T316] vprintk_emit (kernel/printk/printk.c:2479) [ 42.859883][ T316] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.859889][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.859892][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.859898][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.859905][ T316] _printk (kernel/printk/printk.c:2504) [ 42.859919][ T316] ? snapshot_read.cold (user.c:?) [ 42.859925][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.859929][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.859931][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.859938][ T316] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 42.859946][ T316] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 42.859950][ T316] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 42.859954][ T316] ? netdev_notice (net/core/dev.c:13194) [ 42.859961][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.859967][ T316] ? 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) [ 42.859970][ T316] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 42.859976][ T316] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.859983][ T316] ? 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) [ 42.859989][ T316] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 42.859997][ T316] __dev_change_flags (net/core/dev.c:9821) [ 42.860007][ T316] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 42.860011][ T316] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 42.860018][ T316] ? __kernel_text_address (kernel/extable.c:79) [ 42.860024][ T316] ? write_profile (profile.c:?) [ 42.860028][ T316] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 42.860034][ T316] netif_change_flags (net/core/dev.c:9877) [ 42.860043][ T316] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 42.860050][ T316] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 42.860057][ T316] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 42.860062][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.860066][ T316] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 42.860073][ T316] ? kasan_save_stack (mm/kasan/common.c:58) [ 42.860082][ T316] ? kasan_save_stack (mm/kasan/common.c:57) [ 42.860085][ T316] ? kasan_save_track (mm/kasan/common.c:78) [ 42.860088][ T316] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 42.860090][ T316] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 42.860096][ T316] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 42.860099][ T316] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.860104][ T316] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.860108][ T316] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.860110][ T316] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.860116][ T316] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 42.860123][ T316] ? ___sys_sendmsg (net/socket.c:2767) [ 42.860125][ T316] ? __sys_sendmsg (net/socket.c:2799) [ 42.860128][ T316] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.860136][ T316] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.860141][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.860146][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.860149][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.860155][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.860160][ T316] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 42.860165][ T316] ? __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) [ 42.860168][ T316] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.860174][ T316] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.860180][ T316] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 42.860186][ T316] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 42.860191][ T316] rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.860199][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.860205][ T316] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.860207][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.860212][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.860219][ T316] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 42.860226][ T316] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 42.860240][ T316] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 42.860247][ T316] ? __kernel_text_address (kernel/extable.c:79) [ 42.860251][ T316] ? write_profile (profile.c:?) [ 42.860253][ T316] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 42.860255][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.860262][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.860267][ T316] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 42.860274][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.860280][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.860287][ T316] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.860290][ T316] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.860294][ T316] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.860301][ T316] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 42.860306][ T316] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 42.860312][ T316] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.860315][ T316] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.860322][ T316] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.860328][ T316] ? netlink_ack (./include/linux/skbuff.h:2718) [ 42.860331][ T316] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 42.860336][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.860343][ T316] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.860349][ T316] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.860353][ T316] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 42.860360][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.860365][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.860370][ T316] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.860373][ T316] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.860383][ T316] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 42.860390][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.860393][ T316] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 42.860398][ T316] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 42.860405][ T316] ? copy_msghdr_from_user (net/socket.c:2650) [ 42.860410][ T316] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 42.860413][ T316] ? move_addr_to_kernel (net/socket.c:258) [ 42.860418][ T316] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 42.860426][ T316] ___sys_sendmsg (net/socket.c:2767) [ 42.860431][ T316] ? copy_msghdr_from_user (net/socket.c:2619) [ 42.860442][ T316] __sys_sendmsg (net/socket.c:2799) [ 42.860449][ T316] ? __sys_sendmsg_sock (net/socket.c:2780) [ 42.860456][ T316] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.860463][ T316] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.860468][ T316] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 42.860472][ T316] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.860477][ T316] RIP: 0033:0x7f7e9644054e [ 42.860483][ T316] 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 [ 42.860487][ T316] RSP: 002b:00007fffe4801170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.860493][ T316] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7e9644054e [ 42.860497][ T316] RDX: 0000000000000000 RSI: 00007fffe4801220 RDI: 0000000000000005 [ 42.860500][ T316] RBP: 00007fffe4801180 R08: 0000000000000000 R09: 0000000000000000 [ 42.860502][ T316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b89 [ 42.860506][ T316] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffe48018e0 | [ 44.246608][ T337] softirqs last disabled at (0): 0x0 | [ 44.246610][ T337] Preemption disabled at: | [ 44.246610][ T337] vprintk_emit (kernel/printk/printk.c:2471) | [ 44.246621][ T337] Tainted: [W]=WARN [ 44.246622][ T337] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 44.246624][ T337] Call Trace: [ 44.246626][ T337] [ 44.246627][ T337] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 44.246632][ T337] ? vprintk_emit (kernel/printk/printk.c:2471) [ 44.246634][ T337] __might_resched.cold (kernel/sched/core.c:9234) [ 44.246638][ T337] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 44.246641][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246646][ T337] __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)) [ 44.246649][ T337] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.246652][ T337] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.246656][ T337] ? 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) [ 44.246657][ T337] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 44.246660][ T337] put_chars (drivers/char/virtio_console.c:1176) [ 44.246661][ T337] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 44.246663][ T337] ? __send_to_port (drivers/char/virtio_console.c:654) [ 44.246665][ T337] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 44.246667][ T337] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 44.246670][ T337] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 44.246672][ T337] ? 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) [ 44.246673][ T337] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.246675][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246677][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246678][ T337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.246680][ T337] console_emit_next_record (kernel/printk/printk.c:3183) [ 44.246683][ T337] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 44.246685][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246687][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246688][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246690][ T337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.246692][ T337] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 44.246693][ T337] console_flush_one_record (kernel/printk/printk.c:3268) [ 44.246696][ T337] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 44.246699][ T337] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 44.246700][ T337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.246702][ T337] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 44.246703][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246705][ T337] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.246706][ T337] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 44.246708][ T337] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 44.246710][ T337] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 44.246712][ T337] ? vprintk_emit (kernel/printk/printk.c:2478) [ 44.246714][ T337] vprintk_emit (kernel/printk/printk.c:2479) [ 44.246716][ T337] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 44.246718][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246720][ T337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.246721][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246723][ T337] _printk (kernel/printk/printk.c:2504) [ 44.246727][ T337] ? snapshot_read.cold (user.c:?) [ 44.246728][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246730][ T337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.246732][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246733][ T337] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 44.246736][ T337] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 44.246738][ T337] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 44.246740][ T337] ? netdev_notice (net/core/dev.c:13194) [ 44.246741][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246744][ T337] ? 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) [ 44.246745][ T337] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 44.246747][ T337] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 44.246749][ T337] ? 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) [ 44.246752][ T337] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 44.246755][ T337] __dev_change_flags (net/core/dev.c:9821) [ 44.246759][ T337] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 44.246761][ T337] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 44.246764][ T337] ? __kernel_text_address (kernel/extable.c:79) [ 44.246765][ T337] ? write_profile (profile.c:?) [ 44.246767][ T337] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 44.246770][ T337] netif_change_flags (net/core/dev.c:9877) [ 44.246772][ T337] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 44.246776][ T337] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 44.246778][ T337] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 44.246779][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246781][ T337] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 44.246784][ T337] ? kasan_save_stack (mm/kasan/common.c:58) [ 44.246787][ T337] ? kasan_save_stack (mm/kasan/common.c:57) [ 44.246789][ T337] ? kasan_save_track (mm/kasan/common.c:78) [ 44.246790][ T337] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 44.246792][ T337] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 44.246793][ T337] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 44.246794][ T337] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 44.246796][ T337] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 44.246798][ T337] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 44.246799][ T337] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 44.246801][ T337] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 44.246803][ T337] ? ___sys_sendmsg (net/socket.c:2767) [ 44.246805][ T337] ? __sys_sendmsg (net/socket.c:2799) [ 44.246806][ T337] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 44.246809][ T337] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 44.246811][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246813][ T337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.246814][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246816][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246818][ T337] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 44.246820][ T337] ? __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) [ 44.246822][ T337] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 44.246823][ T337] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 44.246825][ T337] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 44.246827][ T337] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 44.246829][ T337] rtnl_newlink (net/core/rtnetlink.c:4215) [ 44.246831][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246833][ T337] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 44.246834][ T337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.246836][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246838][ T337] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 44.246841][ T337] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 44.246843][ T337] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 44.246844][ T337] ? __kernel_text_address (kernel/extable.c:79) [ 44.246846][ T337] ? write_profile (profile.c:?) [ 44.246847][ T337] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 44.246848][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246850][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246851][ T337] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 44.246855][ T337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.246856][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246858][ T337] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 44.246860][ T337] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 44.246861][ T337] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.246863][ T337] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 44.246864][ T337] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 44.246867][ T337] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 44.246868][ T337] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 44.246869][ T337] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.246871][ T337] ? netlink_ack (./include/linux/skbuff.h:2718) [ 44.246872][ T337] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 44.246875][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246877][ T337] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.246878][ T337] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 44.246880][ T337] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 44.246882][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246884][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246885][ T337] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 44.246887][ T337] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 44.246889][ T337] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 44.246891][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246893][ T337] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 44.246895][ T337] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 44.246896][ T337] ? copy_msghdr_from_user (net/socket.c:2650) [ 44.246898][ T337] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 44.246899][ T337] ? move_addr_to_kernel (net/socket.c:258) [ 44.246901][ T337] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 44.246903][ T337] ___sys_sendmsg (net/socket.c:2767) [ 44.246905][ T337] ? copy_msghdr_from_user (net/socket.c:2619) [ 44.246913][ T337] __sys_sendmsg (net/socket.c:2799) [ 44.246915][ T337] ? __sys_sendmsg_sock (net/socket.c:2780) [ 44.246918][ T337] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 44.246920][ T337] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 44.246921][ T337] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 44.246923][ T337] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 44.246925][ T337] RIP: 0033:0x7fed7fe4e54e [ 44.246927][ T337] 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 [ 44.246929][ T337] RSP: 002b:00007fffa5964180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 44.246933][ T337] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fed7fe4e54e [ 44.246934][ T337] RDX: 0000000000000000 RSI: 00007fffa5964230 RDI: 0000000000000005 [ 44.246935][ T337] RBP: 00007fffa5964190 R08: 0000000000000000 R09: 0000000000000000 [ 44.246936][ T337] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b8a [ 44.246937][ T337] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fffa59648f0 | [ 45.519702][ T348] softirqs last disabled at (0): 0x0 | [ 45.519704][ T348] Preemption disabled at: | [ 45.519705][ T348] vprintk_emit (kernel/printk/printk.c:2471) | [ 45.519716][ T348] Tainted: [W]=WARN [ 45.519717][ T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.519719][ T348] Call Trace: [ 45.519720][ T348] [ 45.519721][ T348] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.519727][ T348] ? vprintk_emit (kernel/printk/printk.c:2471) [ 45.519729][ T348] __might_resched.cold (kernel/sched/core.c:9234) [ 45.519733][ T348] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.519736][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519740][ T348] __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)) [ 45.519744][ T348] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.519746][ T348] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.519750][ T348] ? 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) [ 45.519752][ T348] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.519754][ T348] put_chars (drivers/char/virtio_console.c:1176) [ 45.519755][ T348] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 45.519757][ T348] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.519759][ T348] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 45.519762][ T348] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.519765][ T348] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.519766][ T348] ? 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) [ 45.519768][ T348] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.519769][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519771][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519773][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.519775][ T348] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.519778][ T348] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.519780][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519781][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519783][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519785][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.519787][ T348] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 45.519788][ T348] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.519791][ T348] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.519794][ T348] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.519795][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.519797][ T348] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.519799][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519800][ T348] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.519802][ T348] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 45.519803][ T348] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 45.519805][ T348] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.519807][ T348] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.519809][ T348] vprintk_emit (kernel/printk/printk.c:2479) [ 45.519812][ T348] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.519814][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519816][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.519817][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519819][ T348] _printk (kernel/printk/printk.c:2504) [ 45.519822][ T348] ? snapshot_read.cold (user.c:?) [ 45.519824][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519826][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.519827][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519829][ T348] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.519832][ T348] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.519834][ T348] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.519836][ T348] ? netdev_notice (net/core/dev.c:13194) [ 45.519837][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519840][ T348] ? 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) [ 45.519841][ T348] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 45.519843][ T348] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.519845][ T348] ? 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) [ 45.519848][ T348] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 45.519851][ T348] __dev_change_flags (net/core/dev.c:9821) [ 45.519856][ T348] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 45.519858][ T348] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 45.519860][ T348] ? __kernel_text_address (kernel/extable.c:79) [ 45.519861][ T348] ? write_profile (profile.c:?) [ 45.519864][ T348] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 45.519867][ T348] netif_change_flags (net/core/dev.c:9877) [ 45.519869][ T348] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 45.519873][ T348] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 45.519875][ T348] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 45.519876][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519877][ T348] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 45.519881][ T348] ? kasan_save_stack (mm/kasan/common.c:58) [ 45.519884][ T348] ? kasan_save_stack (mm/kasan/common.c:57) [ 45.519886][ T348] ? kasan_save_track (mm/kasan/common.c:78) [ 45.519887][ T348] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 45.519889][ T348] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 45.519891][ T348] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 45.519892][ T348] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 45.519893][ T348] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 45.519896][ T348] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 45.519897][ T348] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 45.519898][ T348] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 45.519901][ T348] ? ___sys_sendmsg (net/socket.c:2767) [ 45.519902][ T348] ? __sys_sendmsg (net/socket.c:2799) [ 45.519904][ T348] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 45.519907][ T348] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.519909][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519913][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.519915][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519916][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519918][ T348] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 45.519920][ T348] ? __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) [ 45.519923][ T348] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 45.519924][ T348] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 45.519926][ T348] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 45.519928][ T348] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 45.519930][ T348] rtnl_newlink (net/core/rtnetlink.c:4215) [ 45.519932][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519934][ T348] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.519936][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.519937][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519939][ T348] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 45.519942][ T348] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 45.519944][ T348] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 45.519946][ T348] ? __kernel_text_address (kernel/extable.c:79) [ 45.519947][ T348] ? write_profile (profile.c:?) [ 45.519948][ T348] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 45.519949][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519951][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519953][ T348] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 45.519956][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.519958][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519960][ T348] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.519961][ T348] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 45.519963][ T348] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.519964][ T348] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 45.519966][ T348] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 45.519968][ T348] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 45.519970][ T348] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.519971][ T348] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.519972][ T348] ? netlink_ack (./include/linux/skbuff.h:2718) [ 45.519974][ T348] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 45.519977][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519978][ T348] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.519980][ T348] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 45.519982][ T348] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 45.519984][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519985][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519987][ T348] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.519989][ T348] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 45.519991][ T348] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 45.519993][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.519995][ T348] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 45.519997][ T348] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 45.519998][ T348] ? copy_msghdr_from_user (net/socket.c:2650) [ 45.520000][ T348] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 45.520002][ T348] ? move_addr_to_kernel (net/socket.c:258) [ 45.520003][ T348] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 45.520006][ T348] ___sys_sendmsg (net/socket.c:2767) [ 45.520007][ T348] ? copy_msghdr_from_user (net/socket.c:2619) [ 45.520012][ T348] __sys_sendmsg (net/socket.c:2799) [ 45.520014][ T348] ? __sys_sendmsg_sock (net/socket.c:2780) [ 45.520017][ T348] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.520019][ T348] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 45.520021][ T348] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 45.520023][ T348] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.520025][ T348] RIP: 0033:0x7f36d587754e [ 45.520027][ T348] 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 [ 45.520028][ T348] RSP: 002b:00007ffda48b7bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 45.520032][ T348] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f36d587754e [ 45.520034][ T348] RDX: 0000000000000000 RSI: 00007ffda48b7c80 RDI: 0000000000000005 [ 45.520035][ T348] RBP: 00007ffda48b7be0 R08: 0000000000000000 R09: 0000000000000000 [ 45.520036][ T348] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b8b [ 45.520036][ T348] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda48b8340 | [ 46.830627][ T360] softirqs last disabled at (0): 0x0 | [ 46.830629][ T360] Preemption disabled at: | [ 46.830630][ T360] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.830641][ T360] Tainted: [W]=WARN [ 46.830642][ T360] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.830644][ T360] Call Trace: [ 46.830645][ T360] [ 46.830647][ T360] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.830652][ T360] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.830654][ T360] __might_resched.cold (kernel/sched/core.c:9234) [ 46.830658][ T360] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.830661][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830665][ T360] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 46.830668][ T360] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.830671][ T360] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.830675][ T360] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 46.830676][ T360] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.830678][ T360] put_chars (drivers/char/virtio_console.c:1176) [ 46.830680][ T360] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 46.830682][ T360] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.830684][ T360] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 46.830686][ T360] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.830689][ T360] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.830691][ T360] ? 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) [ 46.830692][ T360] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.830694][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830696][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830697][ T360] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.830700][ T360] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.830702][ T360] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.830704][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830706][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830708][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830709][ T360] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.830711][ T360] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 46.830713][ T360] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.830715][ T360] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.830718][ T360] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.830720][ T360] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.830721][ T360] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.830723][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830725][ T360] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 46.830726][ T360] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 46.830727][ T360] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 46.830730][ T360] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.830732][ T360] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.830734][ T360] vprintk_emit (kernel/printk/printk.c:2479) [ 46.830736][ T360] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.830738][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830740][ T360] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.830741][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830743][ T360] _printk (kernel/printk/printk.c:2504) [ 46.830747][ T360] ? snapshot_read.cold (user.c:?) [ 46.830749][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830750][ T360] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.830752][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830753][ T360] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 46.830756][ T360] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 46.830758][ T360] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.830760][ T360] ? netdev_notice (net/core/dev.c:13194) [ 46.830761][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830764][ T360] ? 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) [ 46.830765][ T360] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 46.830767][ T360] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.830769][ T360] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 46.830771][ T360] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 46.830774][ T360] __dev_change_flags (net/core/dev.c:9821) [ 46.830779][ T360] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 46.830780][ T360] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 46.830783][ T360] ? __kernel_text_address (kernel/extable.c:79) [ 46.830784][ T360] ? write_profile (profile.c:?) [ 46.830786][ T360] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 46.830789][ T360] netif_change_flags (net/core/dev.c:9877) [ 46.830792][ T360] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 46.830796][ T360] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 46.830798][ T360] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 46.830799][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830800][ T360] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 46.830804][ T360] ? kasan_save_stack (mm/kasan/common.c:58) [ 46.830807][ T360] ? kasan_save_stack (mm/kasan/common.c:57) [ 46.830809][ T360] ? kasan_save_track (mm/kasan/common.c:78) [ 46.830810][ T360] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 46.830812][ T360] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 46.830814][ T360] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 46.830815][ T360] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.830816][ T360] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.830819][ T360] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.830820][ T360] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.830821][ T360] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 46.830824][ T360] ? ___sys_sendmsg (net/socket.c:2767) [ 46.830825][ T360] ? __sys_sendmsg (net/socket.c:2799) [ 46.830827][ T360] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.830830][ T360] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.830832][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830834][ T360] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.830835][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830837][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830839][ T360] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 46.830841][ T360] ? __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) [ 46.830843][ T360] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 46.830844][ T360] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 46.830846][ T360] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 46.830848][ T360] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 46.830850][ T360] rtnl_newlink (net/core/rtnetlink.c:4215) [ 46.830852][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830854][ T360] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.830855][ T360] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.830857][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830859][ T360] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 46.830862][ T360] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 46.830864][ T360] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 46.830865][ T360] ? __kernel_text_address (kernel/extable.c:79) [ 46.830866][ T360] ? write_profile (profile.c:?) [ 46.830867][ T360] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 46.830869][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830870][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830872][ T360] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 46.830875][ T360] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.830877][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830879][ T360] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 46.830880][ T360] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 46.830882][ T360] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.830883][ T360] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 46.830885][ T360] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 46.830887][ T360] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 46.830889][ T360] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 46.830890][ T360] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 46.830892][ T360] ? netlink_ack (./include/linux/skbuff.h:2718) [ 46.830893][ T360] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 46.830896][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830897][ T360] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 46.830899][ T360] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 46.830901][ T360] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 46.830903][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830905][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830906][ T360] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.830908][ T360] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 46.830913][ T360] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 46.830915][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830917][ T360] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 46.830919][ T360] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 46.830920][ T360] ? copy_msghdr_from_user (net/socket.c:2650) [ 46.830922][ T360] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 46.830924][ T360] ? move_addr_to_kernel (net/socket.c:258) [ 46.830925][ T360] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 46.830928][ T360] ___sys_sendmsg (net/socket.c:2767) [ 46.830930][ T360] ? copy_msghdr_from_user (net/socket.c:2619) [ 46.830935][ T360] __sys_sendmsg (net/socket.c:2799) [ 46.830937][ T360] ? __sys_sendmsg_sock (net/socket.c:2780) [ 46.830940][ T360] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.830942][ T360] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 46.830943][ T360] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 46.830946][ T360] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 46.830948][ T360] RIP: 0033:0x7f50dc0dd54e [ 46.830950][ T360] 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 [ 46.830951][ T360] RSP: 002b:00007fff5a6b8b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 46.830955][ T360] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f50dc0dd54e [ 46.830957][ T360] RDX: 0000000000000000 RSI: 00007fff5a6b8be0 RDI: 0000000000000005 [ 46.830958][ T360] RBP: 00007fff5a6b8b40 R08: 0000000000000000 R09: 0000000000000000 [ 46.830959][ T360] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b8d [ 46.830960][ T360] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff5a6b92a0 | [ 48.118793][ T371] softirqs last disabled at (0): 0x0 | [ 48.118796][ T371] Preemption disabled at: | [ 48.118797][ T371] vprintk_emit (kernel/printk/printk.c:2471) | [ 48.118810][ T371] Tainted: [W]=WARN [ 48.118811][ T371] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 48.118814][ T371] Call Trace: [ 48.118815][ T371] [ 48.118817][ T371] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 48.118823][ T371] ? vprintk_emit (kernel/printk/printk.c:2471) [ 48.118826][ T371] __might_resched.cold (kernel/sched/core.c:9234) [ 48.118830][ T371] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 48.118834][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.118839][ T371] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 48.118844][ T371] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.118847][ T371] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.118852][ T371] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 48.118854][ T371] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 48.118857][ T371] put_chars (drivers/char/virtio_console.c:1176) [ 48.118860][ T371] ? desc_read_finalized_seq (kernel/printk/printk_ringbuffer.c:1934) [ 48.118862][ T371] ? __send_to_port (drivers/char/virtio_console.c:654) [ 48.118865][ T371] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 48.118868][ T371] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 48.118873][ T371] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 48.118875][ T371] ? 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) [ 48.118878][ T371] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.118880][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.118882][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.118884][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.118888][ T371] console_emit_next_record (kernel/printk/printk.c:3183) [ 48.118891][ T371] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 48.118894][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.118896][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.118898][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.118901][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.118903][ T371] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 48.118906][ T371] console_flush_one_record (kernel/printk/printk.c:3268) [ 48.118912][ T371] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 48.118916][ T371] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 48.118918][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.118921][ T371] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 48.118923][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.118925][ T371] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 48.118928][ T371] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 48.118930][ T371] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 48.118933][ T371] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 48.118936][ T371] ? vprintk_emit (kernel/printk/printk.c:2478) [ 48.118939][ T371] vprintk_emit (kernel/printk/printk.c:2479) [ 48.118942][ T371] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 48.118945][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.118948][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.118950][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.118953][ T371] _printk (kernel/printk/printk.c:2504) [ 48.118958][ T371] ? snapshot_read.cold (user.c:?) [ 48.118961][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.118963][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.118966][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.118968][ T371] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 48.118972][ T371] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 48.118975][ T371] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 48.118977][ T371] ? netdev_notice (net/core/dev.c:13194) [ 48.118980][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.118983][ T371] ? 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) [ 48.118986][ T371] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 48.118988][ T371] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.118991][ T371] ? 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) [ 48.118995][ T371] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 48.118999][ T371] __dev_change_flags (net/core/dev.c:9821) [ 48.119005][ T371] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 48.119007][ T371] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 48.119011][ T371] ? __kernel_text_address (kernel/extable.c:79) [ 48.119012][ T371] ? write_profile (profile.c:?) [ 48.119015][ T371] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 48.119020][ T371] netif_change_flags (net/core/dev.c:9877) [ 48.119023][ T371] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 48.119028][ T371] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 48.119031][ T371] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 48.119032][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.119035][ T371] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 48.119040][ T371] ? kasan_save_stack (mm/kasan/common.c:58) [ 48.119044][ T371] ? kasan_save_stack (mm/kasan/common.c:57) [ 48.119046][ T371] ? kasan_save_track (mm/kasan/common.c:78) [ 48.119049][ T371] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 48.119051][ T371] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 48.119053][ T371] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 48.119055][ T371] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 48.119057][ T371] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 48.119061][ T371] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 48.119063][ T371] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 48.119065][ T371] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 48.119068][ T371] ? ___sys_sendmsg (net/socket.c:2767) [ 48.119070][ T371] ? __sys_sendmsg (net/socket.c:2799) [ 48.119073][ T371] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 48.119076][ T371] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.119079][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.119082][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.119084][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.119086][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.119089][ T371] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 48.119092][ T371] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 48.119094][ T371] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 48.119097][ T371] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 48.119099][ T371] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 48.119103][ T371] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 48.119106][ T371] rtnl_newlink (net/core/rtnetlink.c:4215) [ 48.119109][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.119112][ T371] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 48.119114][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.119116][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.119119][ T371] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 48.119123][ T371] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 48.119126][ T371] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 48.119128][ T371] ? __kernel_text_address (kernel/extable.c:79) [ 48.119131][ T371] ? write_profile (profile.c:?) [ 48.119132][ T371] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 48.119135][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.119137][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.119139][ T371] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 48.119144][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.119146][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.119149][ T371] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 48.119151][ T371] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 48.119154][ T371] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 48.119156][ T371] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 48.119158][ T371] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 48.119163][ T371] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 48.119165][ T371] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 48.119167][ T371] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 48.119169][ T371] ? netlink_ack (./include/linux/skbuff.h:2718) [ 48.119171][ T371] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 48.119176][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.119178][ T371] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 48.119181][ T371] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 48.119184][ T371] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 48.119187][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.119189][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.119192][ T371] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 48.119195][ T371] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 48.119198][ T371] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 48.119201][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.119204][ T371] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 48.119207][ T371] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 48.119209][ T371] ? copy_msghdr_from_user (net/socket.c:2650) [ 48.119212][ T371] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 48.119214][ T371] ? move_addr_to_kernel (net/socket.c:258) [ 48.119216][ T371] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 48.119221][ T371] ___sys_sendmsg (net/socket.c:2767) [ 48.119223][ T371] ? copy_msghdr_from_user (net/socket.c:2619) [ 48.119232][ T371] __sys_sendmsg (net/socket.c:2799) [ 48.119235][ T371] ? __sys_sendmsg_sock (net/socket.c:2780) [ 48.119239][ T371] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 48.119242][ T371] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 48.119244][ T371] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 48.119248][ T371] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 48.119250][ T371] RIP: 0033:0x7f9f0bc8b54e [ 48.119253][ T371] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 48.119262][ T371] RSP: 002b:00007ffda2771730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 48.119267][ T371] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9f0bc8b54e [ 48.119269][ T371] RDX: 0000000000000000 RSI: 00007ffda27717e0 RDI: 0000000000000005 [ 48.119271][ T371] RBP: 00007ffda2771740 R08: 0000000000000000 R09: 0000000000000000 [ 48.119272][ T371] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b8e [ 48.119274][ T371] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffda2771ea0 | [ 52.320619][ T409] softirqs last disabled at (0): 0x0 | [ 52.320621][ T409] Preemption disabled at: | [ 52.320621][ T409] 0x0 | [ 52.320630][ T409] Tainted: [W]=WARN [ 52.320630][ T409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 52.320633][ T409] Call Trace: [ 52.320634][ T409] [ 52.320635][ T409] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 52.320641][ T409] __might_resched.cold (kernel/sched/core.c:9234) [ 52.320645][ T409] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 52.320648][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320652][ T409] __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)) [ 52.320656][ T409] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.320659][ T409] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.320663][ T409] ? 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) [ 52.320665][ T409] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 52.320667][ T409] put_chars (drivers/char/virtio_console.c:1176) [ 52.320669][ T409] ? __send_to_port (drivers/char/virtio_console.c:654) [ 52.320670][ T409] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 52.320674][ T409] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 52.320677][ T409] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 52.320679][ T409] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 52.320680][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320682][ T409] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.320684][ T409] console_emit_next_record (kernel/printk/printk.c:3183) [ 52.320687][ T409] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 52.320689][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320691][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320692][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320694][ T409] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.320696][ T409] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 52.320698][ T409] console_flush_one_record (kernel/printk/printk.c:3268) [ 52.320700][ T409] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 52.320703][ T409] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 52.320704][ T409] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.320706][ T409] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 52.320708][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320709][ T409] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 52.320711][ T409] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 52.320712][ T409] ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6)) [ 52.320714][ T409] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 52.320716][ T409] ? vprintk_emit (kernel/printk/printk.c:2478) [ 52.320718][ T409] vprintk_emit (kernel/printk/printk.c:2479) [ 52.320720][ T409] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 52.320722][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320724][ T409] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.320727][ T409] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 52.320728][ T409] _printk (kernel/printk/printk.c:2504) [ 52.320731][ T409] ? snapshot_read.cold (user.c:?) [ 52.320734][ T409] ? ipv6_mc_down (net/ipv6/mcast.c:1137 net/ipv6/mcast.c:2792) [ 52.320739][ T409] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) bridge [ 52.320752][ T409] br_stp_disable_port (net/bridge/br_stp_if.c:106) bridge [ 52.320760][ T409] br_device_event (net/bridge/br.c:111) bridge [ 52.320769][ T409] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 52.320773][ T409] ? _sub_I_65535_1+0x4d0/0x4d0 stp [ 52.320775][ T409] ? addrconf_notify (net/ipv6/addrconf.c:3812) [ 52.320778][ T409] notifier_call_chain (kernel/notifier.c:85) [ 52.320781][ T409] __dev_notify_flags (net/core/dev.c:2313 net/core/dev.c:2327 net/core/dev.c:9855) [ 52.320785][ T409] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 52.320787][ T409] ? netif_change_name (net/core/dev.c:1517) [ 52.320789][ T409] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 52.320791][ T409] ? __kernel_text_address (kernel/extable.c:79) [ 52.320793][ T409] ? write_profile (profile.c:?) [ 52.320796][ T409] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 52.320799][ T409] netif_change_flags (net/core/dev.c:9882) [ 52.320801][ T409] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 52.320804][ T409] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 52.320805][ T409] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 52.320806][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320808][ T409] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 52.320812][ T409] ? kasan_save_stack (mm/kasan/common.c:58) [ 52.320815][ T409] ? kasan_save_stack (mm/kasan/common.c:57) [ 52.320816][ T409] ? kasan_save_track (mm/kasan/common.c:78) [ 52.320818][ T409] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 52.320819][ T409] ? __kmalloc_cache_noprof (./include/linux/kasan.h:263 mm/slub.c:5563) [ 52.320821][ T409] ? rtnl_newlink (./include/linux/slab.h:991 (discriminator 1) net/core/rtnetlink.c:4113 (discriminator 1)) [ 52.320822][ T409] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 52.320823][ T409] ? netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 52.320826][ T409] ? netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 52.320827][ T409] ? netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 52.320829][ T409] ? ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 52.320831][ T409] ? ___sys_sendmsg (net/socket.c:2767) [ 52.320832][ T409] ? __sys_sendmsg (net/socket.c:2799) [ 52.320834][ T409] ? do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 52.320836][ T409] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 52.320839][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320841][ T409] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.320842][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320844][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320845][ T409] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 52.320849][ T409] ? __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) [ 52.320850][ T409] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 52.320851][ T409] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 52.320853][ T409] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 52.320855][ T409] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 52.320857][ T409] rtnl_newlink (net/core/rtnetlink.c:4215) [ 52.320859][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320861][ T409] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 52.320862][ T409] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.320863][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320865][ T409] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 52.320869][ T409] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 52.320870][ T409] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 52.320872][ T409] ? __kernel_text_address (kernel/extable.c:79) [ 52.320873][ T409] ? write_profile (profile.c:?) [ 52.320874][ T409] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 52.320876][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320878][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320879][ T409] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 52.320883][ T409] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.320884][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320886][ T409] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 52.320887][ T409] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 52.320889][ T409] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 52.320890][ T409] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 52.320892][ T409] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 52.320894][ T409] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 52.320896][ T409] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 52.320897][ T409] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 52.320899][ T409] ? netlink_ack (./include/linux/skbuff.h:2718) [ 52.320900][ T409] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 52.320903][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320905][ T409] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 52.320907][ T409] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 52.320908][ T409] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 52.320913][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320915][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320917][ T409] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 52.320919][ T409] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 52.320921][ T409] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 52.320923][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320925][ T409] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 52.320927][ T409] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 52.320928][ T409] ? copy_msghdr_from_user (net/socket.c:2650) [ 52.320930][ T409] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 52.320932][ T409] ? move_addr_to_kernel (net/socket.c:258) [ 52.320933][ T409] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 52.320936][ T409] ___sys_sendmsg (net/socket.c:2767) [ 52.320938][ T409] ? copy_msghdr_from_user (net/socket.c:2619) [ 52.320943][ T409] __sys_sendmsg (net/socket.c:2799) [ 52.320944][ T409] ? __sys_sendmsg_sock (net/socket.c:2780) [ 52.320947][ T409] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 52.320949][ T409] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 52.320951][ T409] ? irq_exit_rcu (kernel/softirq.c:786) [ 52.320953][ T409] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 52.320955][ T409] RIP: 0033:0x7f603d2ea54e [ 52.320958][ T409] 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 [ 52.320959][ T409] RSP: 002b:00007fffaf9a6190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 52.320963][ T409] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f603d2ea54e [ 52.320965][ T409] RDX: 0000000000000000 RSI: 00007fffaf9a6240 RDI: 0000000000000005 [ 52.320966][ T409] RBP: 00007fffaf9a61a0 R08: 0000000000000000 R09: 0000000000000000 [ 52.320967][ T409] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a912b92 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