====================================== | [ 10.206360][ T197] softirqs last disabled at (28076): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.206364][ T197] Preemption disabled at: | [ 10.206365][ T197] 0x0 | [ 10.206378][ T197] Tainted: [W]=WARN [ 10.206380][ T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.206382][ T197] Call Trace: [ 10.206385][ T197] [ 10.206387][ T197] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.206395][ T197] __might_resched.cold (kernel/sched/core.c:9234) [ 10.206401][ T197] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.206407][ T197] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.206414][ T197] __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)) [ 10.206417][ T197] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.206427][ T197] ? 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) [ 10.206432][ T197] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.206439][ T197] put_chars (drivers/char/virtio_console.c:1176) [ 10.206443][ T197] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.206445][ T197] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.206450][ T197] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.206460][ T197] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.206472][ T197] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.206476][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.206479][ T197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.206486][ T197] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.206493][ T197] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.206496][ T197] ? 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)) [ 10.206501][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.206504][ T197] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.206511][ T197] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.206518][ T197] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.206521][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.206530][ T197] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.206535][ T197] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.206538][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.206541][ T197] ? 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) [ 10.206547][ T197] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.206550][ T197] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.206555][ T197] vprintk_emit (kernel/printk/printk.c:2479) [ 10.206561][ T197] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.206566][ T197] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.206573][ T197] _printk (kernel/printk/printk.c:2504) [ 10.206578][ T197] ? snapshot_read.cold (user.c:?) [ 10.206582][ T197] ? 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) [ 10.206586][ T197] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.206593][ T197] ? 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) [ 10.206598][ T197] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.206603][ T197] ? exit_notify (kernel/exit.c:780) [ 10.206605][ T197] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.206610][ T197] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.206616][ T197] do_group_exit (kernel/exit.c:1151) [ 10.206621][ T197] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.206624][ T197] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.206628][ T197] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.206633][ T197] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.206637][ T197] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.206641][ T197] RIP: 0033:0x7fccd6cd11b8 [ 10.206644][ T197] Code: Unable to access opcode bytes at 0x7fccd6cd118e. Code starting with the faulting instruction =========================================== [ 10.206645][ T197] RSP: 002b:00007fff5eb1ae98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.206649][ T197] RAX: ffffffffffffffda RBX: 00007fccd6e01f88 RCX: 00007fccd6cd11b8 [ 10.206651][ T197] RDX: 00007fccd6a1bfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.206652][ T197] RBP: 00007fff5eb1aef0 R08: 0000000000000000 R09: 0000000000000050 [ 10.206653][ T197] R10: 00007fff5eb1acb0 R11: 0000000000000246 R12: 0000000000000001 [ 10.206655][ T197] R13: 0000000000000000 R14: 00007fccd6e00680 R15: 00007fccd6e01fa0 | [ 11.220332][ T236] softirqs last disabled at (24076): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.220336][ T236] Preemption disabled at: | [ 11.220337][ T236] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.220349][ T236] Tainted: [W]=WARN [ 11.220350][ T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.220352][ T236] Call Trace: [ 11.220355][ T236] [ 11.220357][ T236] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.220365][ T236] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.220368][ T236] __might_resched.cold (kernel/sched/core.c:9234) [ 11.220375][ T236] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.220381][ T236] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.220388][ T236] __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)) [ 11.220391][ T236] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.220401][ T236] ? 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) [ 11.220405][ T236] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.220411][ T236] put_chars (drivers/char/virtio_console.c:1176) [ 11.220414][ T236] ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842) [ 11.220418][ T236] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.220423][ T236] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.220431][ T236] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.220435][ T236] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.220442][ T236] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.220448][ T236] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.220451][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.220454][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.220460][ T236] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.220465][ T236] ? console_emit_next_record (kernel/printk/printk.c:3095 (discriminator 2) kernel/printk/printk.c:3182 (discriminator 2)) [ 11.220471][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.220474][ T236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.220482][ T236] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.220488][ T236] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.220491][ T236] ? 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)) [ 11.220497][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.220500][ T236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.220507][ T236] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.220515][ T236] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.220518][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.220527][ T236] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.220533][ T236] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.220535][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.220539][ T236] ? 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) [ 11.220546][ T236] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.220549][ T236] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.220554][ T236] vprintk_emit (kernel/printk/printk.c:2479) [ 11.220560][ T236] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.220562][ T236] ? lock_pin_lock (kernel/locking/lockdep.c:5640 (discriminator 2) kernel/locking/lockdep.c:6003 (discriminator 2) kernel/locking/lockdep.c:5991 (discriminator 2)) [ 11.220565][ T236] ? __print_lock_name (kernel/locking/lockdep.c:718) [ 11.220576][ T236] dev_vprintk_emit (drivers/base/core.c:5000) [ 11.220583][ T236] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 11.220591][ T236] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.220594][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.220597][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.220605][ T236] dev_printk_emit (drivers/base/core.c:5011) [ 11.220609][ T236] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 11.220612][ T236] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.220617][ T236] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.220621][ T236] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.220623][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.220626][ T236] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.220629][ T236] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.220636][ T236] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 11.220646][ T236] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.220650][ T236] ? netdev_notice (net/core/dev.c:13194) [ 11.220655][ T236] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.220660][ T236] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.220664][ T236] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.220671][ T236] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.220676][ T236] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.220680][ T236] ? 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)) [ 11.220689][ T236] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.220694][ T236] ? write_profile (profile.c:?) [ 11.220700][ T236] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.220709][ T236] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.220715][ T236] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 11.220718][ T236] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.220720][ T236] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 11.220724][ T236] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 11.220729][ T236] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.220732][ T236] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.220735][ T236] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.220739][ T236] ? kasan_save_stack (mm/kasan/common.c:58) [ 11.220742][ T236] ? kasan_save_stack (mm/kasan/common.c:57) [ 11.220744][ T236] ? kasan_save_track (mm/kasan/common.c:78) [ 11.220746][ T236] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 11.220750][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.220753][ T236] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 11.220758][ T236] ? ___sys_sendmsg (net/socket.c:2758) [ 11.220764][ T236] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.220767][ T236] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.220772][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.220775][ T236] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.220778][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.220780][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.220783][ T236] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.220787][ T236] ? __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) [ 11.220791][ T236] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.220795][ T236] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 11.220801][ T236] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.220803][ T236] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.220811][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.220815][ T236] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 11.220826][ T236] rtnl_newlink (net/core/rtnetlink.c:4215) [ 11.220836][ T236] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.220839][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.220848][ T236] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.220851][ T236] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.220854][ T236] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.220858][ T236] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.220865][ T236] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 11.220869][ T236] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.220875][ T236] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.220877][ T236] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.220885][ T236] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.220888][ T236] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.220895][ T236] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.220900][ T236] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.220905][ T236] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.220917][ T236] ? 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)) [ 11.220920][ T236] ? 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)) [ 11.220928][ T236] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.220935][ T236] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.220940][ T236] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.220948][ T236] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.220955][ T236] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.220962][ T236] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.220965][ T236] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 11.220974][ T236] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 11.220980][ T236] ____sys_sendmsg (net/socket.c:2713) [ 11.220983][ T236] ? copy_msghdr_from_user (net/socket.c:2650) [ 11.220987][ T236] ? sock_write_iter (net/socket.c:1269) [ 11.220990][ T236] ? move_addr_to_kernel (net/socket.c:258) [ 11.221004][ T236] ___sys_sendmsg (net/socket.c:2767) [ 11.221009][ T236] ? copy_msghdr_from_user (net/socket.c:2619) [ 11.221040][ T236] __sys_sendmsg (net/socket.c:2799) [ 11.221044][ T236] ? __sys_sendmsg_sock (net/socket.c:2780) [ 11.221056][ T236] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.221062][ T236] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.221067][ T236] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.221072][ T236] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.221076][ T236] RIP: 0033:0x7f96347d054e [ 11.221081][ T236] 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 [ 11.221084][ T236] RSP: 002b:00007fffec2a7240 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 11.221089][ T236] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f96347d054e [ 11.221091][ T236] RDX: 0000000000000000 RSI: 00007fffec2a72f0 RDI: 0000000000000005 [ 11.221093][ T236] RBP: 00007fffec2a7250 R08: 0000000000000000 R09: 0000000000000000 [ 11.221094][ T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a90e6ad Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars