====================================== | [ 8.836689][ T81] softirqs last disabled at (167008): unix_release_sock (./include/net/sock.h:2138 net/unix/af_unix.c:678) | [ 8.836692][ T81] Preemption disabled at: | [ 8.836692][ T81] vprintk_emit (kernel/printk/printk.c:2471) | [ 8.836704][ T81] Tainted: [W]=WARN [ 8.836705][ T81] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.836706][ T81] Call Trace: [ 8.836708][ T81] [ 8.836709][ T81] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 8.836714][ T81] ? vprintk_emit (kernel/printk/printk.c:2471) [ 8.836716][ T81] __might_resched.cold (kernel/sched/core.c:9234) [ 8.836720][ T81] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 8.836723][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836727][ T81] __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)) [ 8.836730][ T81] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.836732][ T81] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.836735][ T81] ? 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) [ 8.836737][ T81] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 8.836739][ T81] put_chars (drivers/char/virtio_console.c:1176) [ 8.836741][ T81] ? __send_to_port (drivers/char/virtio_console.c:654) [ 8.836742][ T81] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 8.836744][ T81] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 8.836747][ T81] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 8.836750][ T81] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 8.836751][ T81] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.836753][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836754][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836756][ T81] console_emit_next_record (kernel/printk/printk.c:3183) [ 8.836759][ T81] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 8.836760][ T81] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 8.836762][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836764][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836765][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836767][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.836768][ T81] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 8.836770][ T81] console_flush_one_record (kernel/printk/printk.c:3268) [ 8.836772][ T81] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 8.836774][ T81] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 8.836776][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.836777][ T81] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 8.836778][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836780][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.836781][ T81] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 8.836782][ T81] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 8.836784][ T81] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 8.836786][ T81] ? vprintk_emit (kernel/printk/printk.c:2478) [ 8.836787][ T81] vprintk_emit (kernel/printk/printk.c:2479) [ 8.836790][ T81] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 8.836791][ T81] ? kasan_save_stack (mm/kasan/common.c:58) [ 8.836794][ T81] ? kasan_record_aux_stack (mm/kasan/generic.c:556) [ 8.836797][ T81] dev_vprintk_emit (drivers/base/core.c:5000) [ 8.836802][ T81] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 8.836804][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.836805][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836807][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.836809][ T81] dev_printk_emit (drivers/base/core.c:5011) [ 8.836811][ T81] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 8.836813][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.836815][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836816][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.836817][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836819][ T81] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 8.836822][ T81] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 8.836824][ T81] ? netdev_notice (net/core/dev.c:13194) [ 8.836825][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836827][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.836828][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836830][ T81] ? 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) [ 8.836831][ T81] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 8.836833][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836834][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836836][ T81] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 8.836839][ T81] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22)) [ 8.836841][ T81] ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/preemptirq.h:40) [ 8.836842][ T81] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 8.836848][ T81] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 8.836852][ T81] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 8.836855][ T81] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 8.836857][ T81] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 8.836860][ T81] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 8.836862][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.836864][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836865][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.836867][ T81] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 8.836870][ T81] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 8.836872][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836873][ T81] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 8.836876][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.836878][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836879][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.836881][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836882][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.836884][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836886][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.836888][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836889][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.836891][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836892][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836894][ T81] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 8.836897][ T81] ? __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) [ 8.836899][ T81] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 8.836901][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.836902][ T81] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 8.836904][ T81] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 8.836906][ T81] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 8.836908][ T81] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 8.836910][ T81] ? nla_get_range_signed (lib/nlattr.c:270) [ 8.836914][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836916][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.836918][ T81] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 8.836922][ T81] rtnl_setlink (net/core/rtnetlink.c:3596) [ 8.836924][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836926][ T81] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.836928][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.836935][ T81] ? unwind_next_frame (./include/linux/rcupdate.h:882 ./include/linux/rcupdate.h:1216 arch/x86/kernel/unwind_orc.c:495) [ 8.836939][ T81] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.836941][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836943][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836944][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.836946][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836947][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.836949][ T81] ? is_bpf_text_address (./include/linux/rcupdate.h:850 kernel/bpf/core.c:749) [ 8.836951][ T81] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 8.836952][ T81] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 8.836955][ T81] ? __kernel_text_address (kernel/extable.c:79) [ 8.836957][ T81] ? write_profile (profile.c:?) [ 8.836960][ T81] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 8.836962][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836964][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836965][ T81] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 8.836968][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.836969][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836971][ T81] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 8.836973][ T81] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 8.836975][ T81] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 8.836977][ T81] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 8.836979][ T81] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676) [ 8.836982][ T81] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 8.836985][ T81] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 8.836987][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.836989][ T81] ? netlink_ack (./include/linux/skbuff.h:2718) [ 8.836991][ T81] ? __netlink_lookup (./include/linux/rcupdate.h:850 ./include/linux/rhashtable.h:709 net/netlink/af_netlink.c:499) [ 8.836994][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.836996][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.836998][ T81] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 8.837001][ T81] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 8.837003][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.837005][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.837006][ T81] ? 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) [ 8.837009][ T81] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 8.837011][ T81] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 8.837013][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 8.837015][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.837017][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.837018][ T81] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 8.837022][ T81] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 8.837025][ T81] ? __ia32_sys_getpeername (net/socket.c:2235) [ 8.837029][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 8.837031][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 8.837033][ T81] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 8.837034][ T81] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 8.837036][ T81] ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22)) [ 8.837038][ T81] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78) [ 8.837039][ T81] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 8.837042][ T81] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 8.837044][ T81] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 8.837045][ T81] RIP: 0033:0x7f295ce7e54e [ 8.837049][ T81] 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 [ 8.837051][ T81] RSP: 002b:00007ffd2e3c6100 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 8.837054][ T81] RAX: ffffffffffffffda RBX: 0000559f6dc87f50 RCX: 00007f295ce7e54e [ 8.837056][ T81] RDX: 0000000000000030 RSI: 0000559f6dc77ae0 RDI: 0000000000000014 [ 8.837057][ T81] RBP: 00007ffd2e3c6110 R08: 00007ffd2e3c6160 R09: 0000000000000080 [ 8.837058][ T81] R10: 0000000000000000 R11: 0000000000000202 R12: 0000559f6dddafe0 [ 8.837058][ T81] R13: 00007ffd2e3c6244 R14: 0000000000000000 R15: 0000000000000000 | [ 12.974130][ T81] softirqs last disabled at (167008): unix_release_sock (./include/net/sock.h:2138 net/unix/af_unix.c:678) | [ 12.974133][ T81] Preemption disabled at: | [ 12.974134][ T81] 0x0 | [ 12.974146][ T81] Tainted: [W]=WARN [ 12.974148][ T81] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.974150][ T81] Call Trace: [ 12.974152][ T81] [ 12.974154][ T81] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.974161][ T81] __might_resched.cold (kernel/sched/core.c:9234) [ 12.974165][ T81] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.974170][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.974175][ T81] __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)) [ 12.974178][ T81] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.974182][ T81] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.974187][ T81] ? 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) [ 12.974189][ T81] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.974192][ T81] put_chars (drivers/char/virtio_console.c:1176) [ 12.974195][ T81] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.974197][ T81] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.974201][ T81] ? console_prepend_replay (kernel/printk/printk.c:3005) [ 12.974203][ T81] ? desc_read (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:3223 kernel/printk/printk_ringbuffer.c:552) [ 12.974207][ T81] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.974212][ T81] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.974214][ T81] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.974216][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.974219][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.974221][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.974224][ T81] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.974228][ T81] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.974230][ T81] ? _prb_read_valid (kernel/printk/printk_ringbuffer.c:1996) [ 12.974233][ T81] ? __asan_memmove (mm/kasan/shadow.c:95 (discriminator 1)) [ 12.974237][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.974239][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.974241][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.974243][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.974246][ T81] ? console_flush_one_record (kernel/printk/printk.c:3247) [ 12.974248][ T81] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.974252][ T81] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.974255][ T81] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.974258][ T81] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.974260][ T81] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.974262][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.974264][ T81] ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22)) [ 12.974267][ T81] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.974269][ T81] ? sync_exp_reset_tree_hotplug (kernel/rcu/tree_exp.h:98) [ 12.974272][ T81] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.974274][ T81] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.974277][ T81] vprintk_emit (kernel/printk/printk.c:2479) [ 12.974280][ T81] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.974283][ T81] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180) [ 12.974285][ T81] ? forget_original_parent (kernel/exit.c:635 kernel/exit.c:740) [ 12.974290][ T81] _printk (kernel/printk/printk.c:2504) [ 12.974294][ T81] ? snapshot_read.cold (user.c:?) [ 12.974297][ T81] ? 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) [ 12.974299][ T81] ? 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) [ 12.974302][ T81] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.974305][ T81] ? 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) [ 12.974307][ T81] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.974311][ T81] ? vfs_read (fs/read_write.c:574) [ 12.974314][ T81] ? exit_notify (kernel/exit.c:780) [ 12.974317][ T81] ? posixtimer_sig_unignore.isra.0 (kernel/signal.c:1971 (discriminator 3)) [ 12.974322][ T81] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.974326][ T81] do_group_exit (kernel/exit.c:1151) [ 12.974329][ T81] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.974332][ T81] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.974334][ T81] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.974337][ T81] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.974340][ T81] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.974344][ T81] RIP: 0033:0x7f295cecf1b8 [ 12.974346][ T81] Code: Unable to access opcode bytes at 0x7f295cecf18e. Code starting with the faulting instruction =========================================== [ 12.974348][ T81] RSP: 002b:00007ffd2e3c6658 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 12.974352][ T81] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f295cecf1b8 [ 12.974354][ T81] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 12.974356][ T81] RBP: 00007ffd2e3c67e0 R08: 0000559f6dc7b048 R09: 0000000000000000 [ 12.974358][ T81] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 Finger prints: unix_release_sock:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars unix_release_sock:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print