====================================== | [ 9.772232][ T88] softirqs last disabled at (393646): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.772235][ T88] Preemption disabled at: | [ 9.772235][ T88] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.772245][ T88] Tainted: [W]=WARN [ 9.772246][ T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.772248][ T88] Call Trace: [ 9.772249][ T88] [ 9.772251][ T88] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.772257][ T88] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.772259][ T88] __might_resched.cold (kernel/sched/core.c:9234) [ 9.772263][ T88] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.772267][ T88] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.772272][ T88] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.772274][ T88] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.772280][ T88] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.772283][ T88] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.772286][ T88] put_chars (drivers/char/virtio_console.c:1176) [ 9.772289][ T88] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.772292][ T88] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.772297][ T88] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.772300][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.772305][ T88] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.772307][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.772314][ T88] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.772317][ T88] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.772322][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.772324][ T88] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.772328][ T88] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.772331][ T88] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.772333][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.772338][ T88] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.772341][ T88] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.772342][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.772345][ T88] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.772348][ T88] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.772350][ T88] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.772353][ T88] vprintk_emit (kernel/printk/printk.c:2479) [ 9.772356][ T88] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.772358][ T88] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.772360][ T88] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.772363][ T88] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.772367][ T88] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.772372][ T88] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.772378][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.772382][ T88] dev_printk_emit (drivers/base/core.c:5011) [ 9.772384][ T88] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.772386][ T88] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 9.772389][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.772391][ T88] ? trace_sched_exit_tp (./include/trace/events/sched.h:886 (discriminator 22)) [ 9.772394][ T88] ? __schedule (kernel/sched/core.c:7277) [ 9.772400][ T88] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.772405][ T88] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.772407][ T88] ? netdev_notice (net/core/dev.c:13194) [ 9.772411][ T88] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 9.772413][ T88] ? preempt_schedule_thunk (arch/x86/entry/thunk.S:12) [ 9.772416][ T88] ? __local_bh_enable_ip (kernel/softirq.c:478) [ 9.772421][ T88] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.772423][ T88] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.772427][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.772428][ T88] ? rwsem_optimistic_spin (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:4434 kernel/locking/rwsem.c:245 kernel/locking/rwsem.c:898) [ 9.772431][ T88] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 9.772434][ T88] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.772437][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.772440][ T88] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.772446][ T88] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.772449][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.772451][ T88] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.772453][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.772454][ T88] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.772457][ T88] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.772458][ T88] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.772463][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.772467][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.772469][ T88] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.772472][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.772474][ T88] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.772475][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.772477][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.772479][ T88] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.772482][ T88] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 9.772483][ T88] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.772485][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.772487][ T88] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.772489][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.772491][ T88] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.772493][ T88] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.772500][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.772502][ T88] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.772510][ T88] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.772514][ T88] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.772515][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.772538][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.772540][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.772543][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.772545][ T88] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.772547][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.772551][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.772553][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.772555][ T88] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.772557][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.772561][ T88] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.772563][ T88] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.772567][ T88] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.772569][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.772573][ T88] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.772575][ T88] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.772579][ T88] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.772582][ T88] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.772585][ T88] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.772592][ T88] ? 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)) [ 9.772594][ T88] ? 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)) [ 9.772599][ T88] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.772603][ T88] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.772606][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.772608][ T88] ? do_raw_spin_trylock (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 ./include/asm-generic/qspinlock.h:93 kernel/locking/spinlock_debug.c:123) [ 9.772611][ T88] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.772616][ T88] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.772619][ T88] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.772623][ T88] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.772626][ T88] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.772630][ T88] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.772641][ T88] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 9.772647][ T88] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.772649][ T88] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.772652][ T88] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.772654][ T88] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.772656][ T88] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.772657][ T88] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.772660][ T88] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.772662][ T88] RIP: 0033:0x7fd2a5abe54e [ 9.772666][ T88] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 9.772668][ T88] RSP: 002b:00007fff230c9dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.772671][ T88] RAX: ffffffffffffffda RBX: 00005565194cbfe0 RCX: 00007fd2a5abe54e [ 9.772673][ T88] RDX: 0000000000000030 RSI: 000055651963e200 RDI: 0000000000000020 [ 9.772673][ T88] RBP: 00007fff230c9de0 R08: 00007fff230c9e30 R09: 0000000000000080 [ 9.772674][ T88] R10: 0000000000000000 R11: 0000000000000202 R12: 0000556519643900 [ 9.772675][ T88] R13: 00007fff230c9f14 R14: 0000000000000000 R15: 0000000000000000 | [ 13.917730][ T88] softirqs last disabled at (427160): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 13.917733][ T88] Preemption disabled at: | [ 13.917734][ T88] 0x0 | [ 13.917744][ T88] Tainted: [W]=WARN [ 13.917745][ T88] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.917747][ T88] Call Trace: [ 13.917749][ T88] [ 13.917750][ T88] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.917757][ T88] __might_resched.cold (kernel/sched/core.c:9234) [ 13.917761][ T88] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.917765][ T88] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.917771][ T88] __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)) [ 13.917773][ T88] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.917779][ T88] ? 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) [ 13.917781][ T88] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.917784][ T88] put_chars (drivers/char/virtio_console.c:1176) [ 13.917787][ T88] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.917789][ T88] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.917792][ T88] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.917795][ T88] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.917799][ T88] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.917802][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.917804][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.917808][ T88] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.917811][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.917814][ T88] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.917818][ T88] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.917822][ T88] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.917826][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.917828][ T88] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.917832][ T88] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.917836][ T88] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.917838][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.917843][ T88] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.917846][ T88] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.917847][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.917849][ T88] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.917853][ T88] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.917854][ T88] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.917858][ T88] vprintk_emit (kernel/printk/printk.c:2479) [ 13.917861][ T88] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.917865][ T88] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.917868][ T88] _printk (kernel/printk/printk.c:2504) [ 13.917872][ T88] ? snapshot_read.cold (user.c:?) [ 13.917875][ T88] ? 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) [ 13.917877][ T88] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.917881][ T88] ? 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) [ 13.917883][ T88] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.917891][ T88] ? exit_notify (kernel/exit.c:780) [ 13.917893][ T88] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.917896][ T88] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.917901][ T88] do_group_exit (kernel/exit.c:1151) [ 13.917905][ T88] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.917907][ T88] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.917910][ T88] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.917913][ T88] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.917916][ T88] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.917918][ T88] RIP: 0033:0x7fd2a5b0f1b8 [ 13.917921][ T88] Code: Unable to access opcode bytes at 0x7fd2a5b0f18e. Code starting with the faulting instruction =========================================== [ 13.917922][ T88] RSP: 002b:00007fff230ca328 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 13.917924][ T88] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd2a5b0f1b8 [ 13.917926][ T88] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 13.917927][ T88] RBP: 00007fff230ca4b0 R08: 00005565196398a8 R09: 0000000000000000 [ 13.917928][ T88] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print