====================================== | [ 10.391738][ T199] softirqs last disabled at (19391): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.391741][ T199] Preemption disabled at: | [ 10.391742][ T199] 0x0 | [ 10.391752][ T199] Tainted: [W]=WARN [ 10.391753][ T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.391760][ T199] Call Trace: [ 10.391761][ T199] [ 10.391763][ T199] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.391770][ T199] __might_resched.cold (kernel/sched/core.c:9234) [ 10.391775][ T199] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.391779][ T199] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.391783][ T199] __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)) [ 10.391786][ T199] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.391793][ T199] ? 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) [ 10.391796][ T199] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.391800][ T199] put_chars (drivers/char/virtio_console.c:1176) [ 10.391802][ T199] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.391804][ T199] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.391808][ T199] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.391813][ T199] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.391821][ T199] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.391824][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.391826][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.391830][ T199] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.391834][ T199] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.391836][ T199] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.391840][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.391842][ T199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.391846][ T199] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.391850][ T199] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.391852][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.391857][ T199] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.391860][ T199] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.391863][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.391864][ T199] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.391868][ T199] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.391870][ T199] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.391873][ T199] vprintk_emit (kernel/printk/printk.c:2479) [ 10.391876][ T199] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.391879][ T199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.391883][ T199] _printk (kernel/printk/printk.c:2504) [ 10.391887][ T199] ? snapshot_read.cold (user.c:?) [ 10.391890][ T199] ? 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) [ 10.391893][ T199] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.391897][ T199] ? 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) [ 10.391900][ T199] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.391903][ T199] ? exit_notify (kernel/exit.c:780) [ 10.391905][ T199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.391908][ T199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.391911][ T199] do_group_exit (kernel/exit.c:1151) [ 10.391914][ T199] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.391916][ T199] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.391919][ T199] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.391923][ T199] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.391926][ T199] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.391928][ T199] RIP: 0033:0x7f51ec6451b8 [ 10.391931][ T199] Code: Unable to access opcode bytes at 0x7f51ec64518e. Code starting with the faulting instruction =========================================== [ 10.391932][ T199] RSP: 002b:00007ffcf84d18b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.391934][ T199] RAX: ffffffffffffffda RBX: 00007f51ec775f88 RCX: 00007f51ec6451b8 [ 10.391935][ T199] RDX: 00007f51ec38ffc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.391936][ T199] RBP: 00007ffcf84d1910 R08: 0000000000000000 R09: 0000000000000050 [ 10.391937][ T199] R10: 00007ffcf84d16d0 R11: 0000000000000246 R12: 0000000000000001 [ 10.391938][ T199] R13: 0000000000000000 R14: 00007f51ec774680 R15: 00007f51ec775fa0 | [ 11.475697][ T239] softirqs last disabled at (25012): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.475700][ T239] Preemption disabled at: | [ 11.475701][ T239] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.475710][ T239] Tainted: [W]=WARN [ 11.475711][ T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.475713][ T239] Call Trace: [ 11.475714][ T239] [ 11.475716][ T239] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.475722][ T239] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.475724][ T239] __might_resched.cold (kernel/sched/core.c:9234) [ 11.475728][ T239] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.475732][ T239] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.475737][ T239] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 11.475739][ T239] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.475746][ T239] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 11.475749][ T239] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.475753][ T239] put_chars (drivers/char/virtio_console.c:1176) [ 11.475755][ T239] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 11.475757][ T239] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.475766][ T239] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.475770][ T239] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.475773][ T239] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.475777][ T239] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.475781][ T239] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.475783][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.475785][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.475789][ T239] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.475792][ T239] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.475795][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.475797][ T239] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.475801][ T239] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.475805][ T239] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.475807][ T239] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 11.475811][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.475812][ T239] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.475816][ T239] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.475821][ T239] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.475823][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.475828][ T239] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.475831][ T239] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.475833][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.475835][ T239] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 11.475838][ T239] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.475840][ T239] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.475843][ T239] vprintk_emit (kernel/printk/printk.c:2479) [ 11.475846][ T239] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.475848][ T239] ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2)) [ 11.475850][ T239] ? __print_lock_name (kernel/locking/lockdep.c:718) [ 11.475855][ T239] dev_vprintk_emit (drivers/base/core.c:5000) [ 11.475861][ T239] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 11.475865][ T239] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.475867][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.475869][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.475874][ T239] dev_printk_emit (drivers/base/core.c:5011) [ 11.475876][ T239] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 11.475878][ T239] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.475880][ T239] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.475883][ T239] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.475884][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.475886][ T239] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.475888][ T239] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.475891][ T239] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 11.475898][ T239] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.475901][ T239] ? netdev_notice (net/core/dev.c:13194) [ 11.475903][ T239] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.475906][ T239] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.475909][ T239] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.475912][ T239] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.475915][ T239] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.475917][ T239] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 11.475923][ T239] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.475925][ T239] ? write_profile (profile.c:?) [ 11.475930][ T239] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.475936][ T239] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.475939][ T239] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.475942][ T239] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.475943][ T239] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.475945][ T239] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.475948][ T239] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.475950][ T239] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.475952][ T239] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.475955][ T239] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.475957][ T239] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.475958][ T239] ? kasan_save_track (mm/kasan/common.c:78) [ 11.475959][ T239] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.475962][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.475964][ T239] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 11.475967][ T239] ? ___sys_sendmsg (net/socket.c:2758) [ 11.475971][ T239] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.475973][ T239] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.475976][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.475977][ T239] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.475979][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.475980][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.475982][ T239] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.475985][ T239] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 11.475987][ T239] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.475989][ T239] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.475993][ T239] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.475994][ T239] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.475999][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.476002][ T239] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.476007][ T239] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.476013][ T239] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.476015][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.476019][ T239] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.476021][ T239] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.476023][ T239] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.476025][ T239] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.476029][ T239] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.476031][ T239] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.476034][ T239] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.476035][ T239] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.476040][ T239] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.476042][ T239] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.476046][ T239] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.476049][ T239] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.476052][ T239] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.476058][ T239] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 11.476060][ T239] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 11.476065][ T239] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.476069][ T239] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.476072][ T239] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.476076][ T239] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.476080][ T239] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.476084][ T239] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.476086][ T239] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.476092][ T239] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.476095][ T239] ____sys_sendmsg (net/socket.c:2713) [ 11.476097][ T239] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.476100][ T239] ? sock_write_iter (net/socket.c:1269) [ 11.476101][ T239] ? move_addr_to_kernel (net/socket.c:258) [ 11.476109][ T239] ___sys_sendmsg (net/socket.c:2767) [ 11.476112][ T239] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.476128][ T239] __sys_sendmsg (net/socket.c:2799) [ 11.476131][ T239] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.476137][ T239] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.476140][ T239] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.476143][ T239] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.476146][ T239] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.476148][ T239] RIP: 0033:0x7fdb19ea754e [ 11.476152][ T239] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 11.476154][ T239] RSP: 002b:00007ffcceca4500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.476157][ T239] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fdb19ea754e [ 11.476158][ T239] RDX: 0000000000000000 RSI: 00007ffcceca45b0 RDI: 0000000000000005 [ 11.476159][ T239] RBP: 00007ffcceca4510 R08: 0000000000000000 R09: 0000000000000000 [ 11.476160][ T239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a913884 Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars