====================================== | [ 11.174112][ T181] softirqs last disabled at (38540): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.174114][ T181] Preemption disabled at: | [ 11.174115][ T181] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.174124][ T181] Tainted: [W]=WARN [ 11.174125][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.174127][ T181] Call Trace: [ 11.174129][ T181] [ 11.174131][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.174137][ T181] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.174139][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 11.174144][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.174148][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.174154][ T181] __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)) [ 11.174156][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.174163][ T181] ? 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) [ 11.174165][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.174169][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 11.174173][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.174177][ T181] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 11.174182][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.174185][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.174191][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.174194][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.174200][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.174204][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.174209][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.174211][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.174215][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.174219][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.174221][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.174227][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.174230][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.174232][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.174234][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.174238][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.174240][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.174243][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 11.174246][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.174248][ T181] ? write_profile (profile.c:?) [ 11.174251][ T181] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 11.174258][ T181] dev_vprintk_emit (drivers/base/core.c:5000) [ 11.174263][ T181] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 11.174267][ T181] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 11.174273][ T181] dev_printk_emit (drivers/base/core.c:5011) [ 11.174275][ T181] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 11.174280][ T181] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 11.174285][ T181] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 11.174291][ T181] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.174294][ T181] ? netdev_notice (net/core/dev.c:13194) [ 11.174296][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.174299][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.174307][ T181] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.174311][ T181] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.174314][ T181] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.174317][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.174319][ T181] ? 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)) [ 11.174321][ T181] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 11.174324][ T181] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.174326][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.174329][ T181] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.174334][ T181] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.174337][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.174341][ T181] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.174342][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.174344][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.174347][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.174349][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.174354][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.174359][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.174361][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.174364][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.174366][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.174367][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.174368][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.174370][ T181] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.174373][ T181] ? __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) [ 11.174377][ T181] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.174379][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.174381][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.174383][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.174386][ T181] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.174388][ T181] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.174394][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.174398][ T181] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.174405][ T181] rtnl_setlink (net/core/rtnetlink.c:3596) [ 11.174409][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.174410][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.174434][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.174436][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.174439][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.174441][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.174443][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.174448][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.174450][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.174452][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.174454][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.174458][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.174460][ T181] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.174464][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.174466][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.174471][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.174473][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.174477][ T181] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.174480][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.174483][ T181] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.174490][ T181] ? 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)) [ 11.174492][ T181] ? 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)) [ 11.174497][ T181] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.174501][ T181] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.174504][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.174509][ T181] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.174513][ T181] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.174517][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.174521][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.174525][ T181] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 11.174528][ T181] ? __ia32_sys_getpeername (net/socket.c:2235) [ 11.174539][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 11.174544][ T181] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 11.174546][ T181] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.174550][ T181] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.174551][ T181] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 11.174554][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.174556][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.174558][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.174561][ T181] RIP: 0033:0x7f2ae276d54e [ 11.174565][ T181] 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 [ 11.174567][ T181] RSP: 002b:00007ffdda9fa200 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 11.174570][ T181] RAX: ffffffffffffffda RBX: 00005596ff0e0d70 RCX: 00007f2ae276d54e [ 11.174571][ T181] RDX: 0000000000000030 RSI: 00005596ff010660 RDI: 0000000000000012 [ 11.174572][ T181] RBP: 00007ffdda9fa210 R08: 00007ffdda9fa260 R09: 0000000000000080 [ 11.174573][ T181] R10: 0000000000000000 R11: 0000000000000202 R12: 00005596ff0edc30 [ 11.174574][ T181] R13: 00007ffdda9fa344 R14: 0000000000000000 R15: 0000000000000000 | [ 12.846071][ T181] softirqs last disabled at (207626): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 12.846074][ T181] Preemption disabled at: | [ 12.846074][ T181] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.846083][ T181] Tainted: [W]=WARN [ 12.846084][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.846086][ T181] Call Trace: [ 12.846087][ T181] [ 12.846089][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.846095][ T181] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.846097][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 12.846102][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.846106][ T181] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.846112][ T181] __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)) [ 12.846115][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.846121][ T181] ? 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) [ 12.846124][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.846128][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 12.846131][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.846133][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.846137][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.846141][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.846146][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.846149][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.846154][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.846157][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.846163][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.846167][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.846172][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.846174][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.846178][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.846182][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.846184][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.846190][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.846193][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.846195][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.846197][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.846201][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.846203][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.846206][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 12.846209][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.846211][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.846213][ T181] ? 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)) [ 12.846218][ T181] dev_vprintk_emit (drivers/base/core.c:5000) [ 12.846224][ T181] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 12.846230][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.846235][ T181] dev_printk_emit (drivers/base/core.c:5011) [ 12.846237][ T181] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 12.846239][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.846241][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.846244][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.846245][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.846247][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.846249][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.846253][ T181] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 12.846259][ T181] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.846261][ T181] ? netdev_notice (net/core/dev.c:13194) [ 12.846264][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.846267][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.846270][ T181] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.846274][ T181] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.846276][ T181] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 12.846280][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.846282][ T181] ? 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)) [ 12.846284][ T181] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 12.846286][ T181] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 12.846289][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.846292][ T181] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.846297][ T181] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.846301][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.846304][ T181] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.846306][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.846314][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.846316][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.846318][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.846323][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.846328][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.846330][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 12.846333][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.846335][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.846337][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.846338][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.846340][ T181] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.846343][ T181] ? __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) [ 12.846346][ T181] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.846348][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.846350][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 12.846353][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.846356][ T181] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.846358][ T181] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.846364][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.846367][ T181] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.846375][ T181] rtnl_setlink (net/core/rtnetlink.c:3596) [ 12.846379][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 12.846380][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.846403][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.846405][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.846408][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.846410][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.846413][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.846417][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.846419][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.846421][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 12.846423][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.846427][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 12.846430][ T181] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.846434][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.846435][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.846440][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.846442][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.846446][ T181] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.846449][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.846452][ T181] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.846459][ T181] ? 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)) [ 12.846461][ T181] ? 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)) [ 12.846466][ T181] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.846470][ T181] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.846473][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.846478][ T181] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.846482][ T181] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.846486][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.846490][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.846494][ T181] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 12.846498][ T181] ? __ia32_sys_getpeername (net/socket.c:2235) [ 12.846508][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 12.846513][ T181] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 12.846515][ T181] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.846519][ T181] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.846520][ T181] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 12.846523][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.846525][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.846527][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.846530][ T181] RIP: 0033:0x7f2ae276d54e [ 12.846534][ T181] 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 [ 12.846535][ T181] RSP: 002b:00007ffdda9fa200 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 12.846538][ T181] RAX: ffffffffffffffda RBX: 00005596ff0e0d70 RCX: 00007f2ae276d54e [ 12.846539][ T181] RDX: 0000000000000030 RSI: 00005596ff0ff780 RDI: 0000000000000012 [ 12.846540][ T181] RBP: 00007ffdda9fa210 R08: 00007ffdda9fa260 R09: 0000000000000080 [ 12.846541][ T181] R10: 0000000000000000 R11: 0000000000000202 R12: 00005596ff10f4b0 [ 12.846542][ T181] R13: 00007ffdda9fa344 R14: 0000000000000000 R15: 0000000000000000 | [ 15.296141][ T258] softirqs last disabled at (124807): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.296143][ T258] Preemption disabled at: | [ 15.296144][ T258] 0x0 | [ 15.296154][ T258] Tainted: [W]=WARN [ 15.296155][ T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.296156][ T258] Call Trace: [ 15.296158][ T258] [ 15.296159][ T258] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.296166][ T258] __might_resched.cold (kernel/sched/core.c:9234) [ 15.296171][ T258] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.296175][ T258] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.296180][ T258] __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)) [ 15.296183][ T258] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.296189][ T258] ? 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) [ 15.296192][ T258] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.296195][ T258] put_chars (drivers/char/virtio_console.c:1176) [ 15.296198][ T258] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.296200][ T258] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 15.296204][ T258] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.296207][ T258] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.296212][ T258] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.296215][ T258] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.296217][ T258] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.296221][ T258] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.296225][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.296227][ T258] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.296231][ T258] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.296235][ T258] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.296240][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.296242][ T258] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.296246][ T258] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.296250][ T258] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.296252][ T258] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.296257][ T258] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.296260][ T258] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.296262][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.296264][ T258] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 15.296268][ T258] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.296269][ T258] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.296272][ T258] vprintk_emit (kernel/printk/printk.c:2479) [ 15.296275][ T258] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.296277][ T258] ? 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) [ 15.296280][ T258] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.296283][ T258] _printk (kernel/printk/printk.c:2504) [ 15.296287][ T258] ? snapshot_read.cold (user.c:?) [ 15.296290][ T258] ? 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) [ 15.296292][ T258] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.296296][ T258] ? 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) [ 15.296299][ T258] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.296303][ T258] ? exit_notify (kernel/exit.c:780) [ 15.296305][ T258] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.296307][ T258] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.296311][ T258] do_group_exit (kernel/exit.c:1151) [ 15.296314][ T258] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.296321][ T258] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.296323][ T258] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.296327][ T258] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.296330][ T258] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.296332][ T258] RIP: 0033:0x7f11d274b1b8 [ 15.296335][ T258] Code: Unable to access opcode bytes at 0x7f11d274b18e. Code starting with the faulting instruction =========================================== [ 15.296336][ T258] RSP: 002b:00007fffcfec0f08 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.296338][ T258] RAX: ffffffffffffffda RBX: 00007f11d287bf88 RCX: 00007f11d274b1b8 [ 15.296339][ T258] RDX: 00007f11d2688a48 RSI: ffffffffffffffb0 RDI: 0000000000000000 [ 15.296340][ T258] RBP: 00007fffcfec0f60 R08: 0000000000000000 R09: 0000000000040ff0 [ 15.296341][ T258] R10: 00007fffcfec0da0 R11: 0000000000000246 R12: 0000000000000001 Finger prints: 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