====================================== | [ 10.480825][ T184] softirqs last disabled at (31366): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.480827][ T184] Preemption disabled at: | [ 10.480828][ T184] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.480837][ T184] Tainted: [W]=WARN [ 10.480838][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.480840][ T184] Call Trace: [ 10.480841][ T184] [ 10.480843][ T184] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.480849][ T184] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.480851][ T184] __might_resched.cold (kernel/sched/core.c:9234) [ 10.480856][ T184] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.480860][ T184] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.480866][ T184] __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)) [ 10.480869][ T184] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.480876][ T184] ? 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) [ 10.480878][ T184] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.480883][ T184] put_chars (drivers/char/virtio_console.c:1176) [ 10.480886][ T184] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.480890][ T184] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.480896][ T184] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.480902][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.480908][ T184] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.480911][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.480917][ T184] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.480921][ T184] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.480926][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.480928][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.480933][ T184] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.480937][ T184] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.480939][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.480945][ T184] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.480948][ T184] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.480950][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.480952][ T184] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.480956][ T184] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.480958][ T184] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.480961][ T184] vprintk_emit (kernel/printk/printk.c:2479) [ 10.480964][ T184] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.480966][ T184] ? write_profile (profile.c:?) [ 10.480969][ T184] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.480976][ T184] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.480981][ T184] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.480986][ T184] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.480992][ T184] dev_printk_emit (drivers/base/core.c:5011) [ 10.480994][ T184] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.480998][ T184] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.481004][ T184] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.481010][ T184] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.481012][ T184] ? netdev_notice (net/core/dev.c:13194) [ 10.481015][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.481018][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.481021][ T184] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.481025][ T184] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.481028][ T184] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.481031][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.481033][ T184] ? mark_lock_irq (kernel/locking/lockdep.c:154 (discriminator 6) kernel/locking/lockdep.c:150 (discriminator 6) kernel/locking/lockdep.c:202 (discriminator 6) kernel/locking/lockdep.c:4092 (discriminator 6) kernel/locking/lockdep.c:4174 (discriminator 6) kernel/locking/lockdep.c:4310 (discriminator 6)) [ 10.481035][ T184] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.481038][ T184] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.481040][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.481043][ T184] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.481049][ T184] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.481052][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.481055][ T184] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.481057][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.481059][ T184] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.481061][ T184] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.481064][ T184] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.481069][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.481074][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.481076][ T184] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.481079][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.481081][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.481083][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.481084][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.481086][ T184] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.481088][ T184] ? __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) [ 10.481092][ T184] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.481094][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.481097][ T184] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.481099][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.481102][ T184] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.481105][ T184] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.481110][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.481114][ T184] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.481122][ T184] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.481125][ T184] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.481127][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.481151][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.481154][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.481157][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.481159][ T184] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.481161][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.481166][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.481168][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.481170][ T184] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.481173][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.481182][ T184] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.481185][ T184] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.481189][ T184] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.481191][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.481195][ T184] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.481198][ T184] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.481201][ T184] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.481205][ T184] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.481208][ T184] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.481215][ T184] ? 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)) [ 10.481217][ T184] ? 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)) [ 10.481222][ T184] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.481226][ T184] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.481229][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.481234][ T184] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.481239][ T184] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.481242][ T184] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.481247][ T184] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.481251][ T184] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.481254][ T184] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.481265][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.481270][ T184] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.481272][ T184] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.481276][ T184] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.481277][ T184] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.481280][ T184] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.481282][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.481284][ T184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.481287][ T184] RIP: 0033:0x7fc1faf3554e [ 10.481291][ T184] 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 [ 10.481292][ T184] RSP: 002b:00007fff561d2e70 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.481295][ T184] RAX: ffffffffffffffda RBX: 0000561eb7c57dd0 RCX: 00007fc1faf3554e [ 10.481297][ T184] RDX: 0000000000000030 RSI: 0000561eb7acf6d0 RDI: 0000000000000018 [ 10.481298][ T184] RBP: 00007fff561d2e80 R08: 00007fff561d2ed0 R09: 0000000000000080 [ 10.481298][ T184] R10: 0000000000000000 R11: 0000000000000202 R12: 0000561eb7ad0770 [ 10.481299][ T184] R13: 00007fff561d2fb4 R14: 0000000000000000 R15: 0000000000000000 | [ 13.610820][ T217] softirqs last disabled at (22113): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.610823][ T217] Preemption disabled at: | [ 13.610823][ T217] 0x0 | [ 13.610835][ T217] Tainted: [W]=WARN [ 13.610836][ T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.610838][ T217] Call Trace: [ 13.610840][ T217] [ 13.610841][ T217] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.610848][ T217] __might_resched.cold (kernel/sched/core.c:9234) [ 13.610854][ T217] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.610860][ T217] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.610866][ T217] __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)) [ 13.610869][ T217] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.610876][ T217] ? 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) [ 13.610879][ T217] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.610883][ T217] put_chars (drivers/char/virtio_console.c:1176) [ 13.610887][ T217] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.610890][ T217] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 13.610893][ T217] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.610896][ T217] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.610903][ T217] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.610906][ T217] ? mark_usage (kernel/locking/lockdep.c:4690) [ 13.610908][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.610910][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.610915][ T217] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.610917][ T217] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 13.610922][ T217] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.610926][ T217] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.610931][ T217] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.610936][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.610939][ T217] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.610943][ T217] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.610948][ T217] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.610950][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.610956][ T217] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.610959][ T217] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.610961][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.610964][ T217] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.610968][ T217] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.610970][ T217] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.610974][ T217] vprintk_emit (kernel/printk/printk.c:2479) [ 13.610978][ T217] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.610981][ T217] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.610985][ T217] _printk (kernel/printk/printk.c:2504) [ 13.610989][ T217] ? snapshot_read.cold (user.c:?) [ 13.610992][ T217] ? 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) [ 13.610995][ T217] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.611000][ T217] ? 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) [ 13.611003][ T217] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.611007][ T217] ? exit_notify (kernel/exit.c:780) [ 13.611009][ T217] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 13.611012][ T217] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.611014][ T217] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.611018][ T217] do_group_exit (kernel/exit.c:1151) [ 13.611020][ T217] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 13.611022][ T217] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 13.611026][ T217] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:219 kernel/locking/spinlock.c:229) [ 13.611028][ T217] ? _raw_spin_unlock_irq (./include/linux/spinlock_api_smp.h:220 (discriminator 1) kernel/locking/spinlock.c:229 (discriminator 1)) [ 13.611030][ T217] get_signal (kernel/signal.c:3039) [ 13.611033][ T217] ? ____sys_recvmsg (net/socket.c:1151 (discriminator 3)) [ 13.611040][ T217] ? new_sync_read (./include/linux/ioprio.h:41) [ 13.611044][ T217] ? ptrace_signal (./include/linux/signal.h:87) [ 13.611048][ T217] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.611052][ T217] arch_do_signal_or_restart (arch/x86/kernel/signal.c:337) [ 13.611057][ T217] ? __fget_files (./include/linux/rcupdate.h:882 fs/file.c:1100) [ 13.611060][ T217] ? get_sigframe_size (arch/x86/kernel/signal.c:233) [ 13.611067][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.611069][ T217] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 13.611073][ T217] exit_to_user_mode_loop (kernel/entry/common.c:66 kernel/entry/common.c:101) [ 13.611076][ T217] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.611079][ T217] do_syscall_64 (./include/linux/irq-entry-common.h:207 ./include/linux/irq-entry-common.h:230 ./include/linux/entry-common.h:336 arch/x86/entry/syscall_64.c:89) [ 13.611082][ T217] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.611084][ T217] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.611087][ T217] RIP: 0033:0x7f8d7d126312 [ 13.611089][ T217] Code: Unable to access opcode bytes at 0x7f8d7d1262e8. Code starting with the faulting instruction =========================================== [ 13.611091][ T217] RSP: 002b:00007f8d7c6fcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 13.611093][ T217] RAX: 0000000000014310 RBX: 0000000000020000 RCX: 00007f8d7d126312 [ 13.611095][ T217] RDX: 0000000000020000 RSI: 00007f8d7c8de000 RDI: 0000000000000005 [ 13.611096][ T217] RBP: 00007f8d7c6fcca0 R08: 0000000000000000 R09: 0000000000000000 [ 13.611097][ T217] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8d7c8de000 [ 13.611097][ T217] R13: 0000000000000005 R14: 0000000000020000 R15: 000055918f323aa0 | [ 15.478301][ T184] softirqs last disabled at (156232): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 15.478304][ T184] Preemption disabled at: | [ 15.478305][ T184] 0x0 | [ 15.478315][ T184] Tainted: [W]=WARN [ 15.478316][ T184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.478317][ T184] Call Trace: [ 15.478319][ T184] [ 15.478321][ T184] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.478327][ T184] __might_resched.cold (kernel/sched/core.c:9234) [ 15.478332][ T184] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.478336][ T184] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.478342][ T184] __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)) [ 15.478344][ T184] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.478350][ T184] ? 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) [ 15.478353][ T184] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.478357][ T184] put_chars (drivers/char/virtio_console.c:1176) [ 15.478360][ T184] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.478362][ T184] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 15.478365][ T184] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.478369][ T184] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.478374][ T184] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.478377][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.478379][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.478383][ T184] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.478387][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.478389][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.478394][ T184] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.478398][ T184] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.478402][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.478404][ T184] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.478408][ T184] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.478413][ T184] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.478415][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.478421][ T184] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.478424][ T184] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.478426][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.478427][ T184] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.478431][ T184] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.478433][ T184] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.478436][ T184] vprintk_emit (kernel/printk/printk.c:2479) [ 15.478439][ T184] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.478442][ T184] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.478446][ T184] _printk (kernel/printk/printk.c:2504) [ 15.478450][ T184] ? snapshot_read.cold (user.c:?) [ 15.478453][ T184] ? 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) [ 15.478455][ T184] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.478459][ T184] ? 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) [ 15.478462][ T184] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.478466][ T184] ? exit_notify (kernel/exit.c:780) [ 15.478468][ T184] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.478471][ T184] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.478474][ T184] do_group_exit (kernel/exit.c:1151) [ 15.478477][ T184] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.478479][ T184] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.478482][ T184] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.478485][ T184] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.478488][ T184] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.478491][ T184] RIP: 0033:0x7fc1faf861b8 [ 15.478493][ T184] Code: Unable to access opcode bytes at 0x7fc1faf8618e. Code starting with the faulting instruction =========================================== [ 15.478494][ T184] RSP: 002b:00007fff561d33c8 EFLAGS: 00000256 ORIG_RAX: 00000000000000e7 [ 15.478497][ T184] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc1faf861b8 [ 15.478498][ T184] RDX: 0000000000000000 RSI: fffffffffffffe90 RDI: 0000000000000000 [ 15.478499][ T184] RBP: 00007fff561d3550 R08: 0000561eb7c5b6d8 R09: 0000000000000000 [ 15.478500][ T184] R10: 0000000000000000 R11: 0000000000000256 R12: 0000000000000000 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 __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print