====================================== | [ 9.634382][ T89] softirqs last disabled at (468286): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 9.634384][ T89] Preemption disabled at: | [ 9.634385][ T89] vprintk_emit (kernel/printk/printk.c:2471) | [ 9.634393][ T89] Tainted: [W]=WARN [ 9.634394][ T89] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.634396][ T89] Call Trace: [ 9.634398][ T89] [ 9.634400][ T89] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.634405][ T89] ? vprintk_emit (kernel/printk/printk.c:2471) [ 9.634408][ T89] __might_resched.cold (kernel/sched/core.c:9234) [ 9.634412][ T89] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.634416][ T89] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.634421][ T89] __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)) [ 9.634424][ T89] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.634429][ T89] ? 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) [ 9.634432][ T89] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.634435][ T89] put_chars (drivers/char/virtio_console.c:1176) [ 9.634438][ T89] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.634442][ T89] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 9.634447][ T89] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.634449][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.634454][ T89] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.634457][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.634464][ T89] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.634467][ T89] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.634472][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.634474][ T89] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.634478][ T89] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.634482][ T89] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.634484][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.634489][ T89] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.634492][ T89] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.634493][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.634495][ T89] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.634499][ T89] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.634500][ T89] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.634504][ T89] vprintk_emit (kernel/printk/printk.c:2479) [ 9.634507][ T89] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.634509][ T89] ? write_profile (profile.c:?) [ 9.634512][ T89] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 9.634520][ T89] dev_vprintk_emit (drivers/base/core.c:5000) [ 9.634525][ T89] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 9.634529][ T89] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 9.634536][ T89] dev_printk_emit (drivers/base/core.c:5011) [ 9.634538][ T89] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 9.634542][ T89] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 9.634547][ T89] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 9.634553][ T89] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 9.634555][ T89] ? netdev_notice (net/core/dev.c:13194) [ 9.634557][ T89] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.634562][ T89] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.634564][ T89] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 9.634567][ T89] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.634570][ T89] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 9.634573][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.634574][ T89] ? 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) [ 9.634577][ T89] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 9.634580][ T89] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 9.634583][ T89] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.634586][ T89] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 9.634592][ T89] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 9.634595][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.634598][ T89] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 9.634599][ T89] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.634601][ T89] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.634603][ T89] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 9.634606][ T89] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.634610][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.634615][ T89] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.634616][ T89] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.634619][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.634622][ T89] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.634623][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.634625][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.634627][ T89] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 9.634629][ T89] ? __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) [ 9.634632][ T89] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 9.634634][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.634636][ T89] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 9.634638][ T89] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.634640][ T89] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 9.634642][ T89] ? nla_get_range_signed (lib/nlattr.c:270) [ 9.634649][ T89] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.634652][ T89] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 9.634660][ T89] rtnl_setlink (net/core/rtnetlink.c:3596) [ 9.634664][ T89] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.634665][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.634689][ T89] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.634691][ T89] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.634694][ T89] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.634696][ T89] ? mark_usage (kernel/locking/lockdep.c:4690) [ 9.634698][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.634702][ T89] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.634704][ T89] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.634706][ T89] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.634708][ T89] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.634712][ T89] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 9.634714][ T89] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 9.634718][ T89] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.634719][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.634724][ T89] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 9.634726][ T89] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 9.634730][ T89] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 9.634733][ T89] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 9.634736][ T89] ? netlink_ack (./include/linux/skbuff.h:2718) [ 9.634743][ T89] ? 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)) [ 9.634745][ T89] ? 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)) [ 9.634750][ T89] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 9.634755][ T89] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 9.634757][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.634762][ T89] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 9.634766][ T89] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 9.634770][ T89] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.634774][ T89] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 9.634777][ T89] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 9.634781][ T89] ? __ia32_sys_getpeername (net/socket.c:2235) [ 9.634792][ T89] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 9.634798][ T89] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 9.634800][ T89] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 9.634804][ T89] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 9.634805][ T89] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 9.634807][ T89] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.634808][ T89] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.634811][ T89] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.634813][ T89] RIP: 0033:0x7f32ccaab54e [ 9.634817][ T89] 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 [ 9.634819][ T89] RSP: 002b:00007ffe2be605c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 9.634822][ T89] RAX: ffffffffffffffda RBX: 000055d786ff7ff0 RCX: 00007f32ccaab54e [ 9.634823][ T89] RDX: 0000000000000030 RSI: 000055d787151730 RDI: 0000000000000020 [ 9.634824][ T89] RBP: 00007ffe2be605d0 R08: 00007ffe2be60620 R09: 0000000000000080 [ 9.634825][ T89] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d7871547b0 [ 9.634826][ T89] R13: 00007ffe2be60704 R14: 0000000000000000 R15: 0000000000000000 | [ 11.562597][ T89] softirqs last disabled at (719036): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.562599][ T89] Preemption disabled at: | [ 11.562599][ T89] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.562608][ T89] Tainted: [W]=WARN [ 11.562609][ T89] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.562611][ T89] Call Trace: [ 11.562613][ T89] [ 11.562614][ T89] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.562620][ T89] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.562622][ T89] __might_resched.cold (kernel/sched/core.c:9234) [ 11.562627][ T89] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.562631][ T89] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.562636][ T89] __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)) [ 11.562638][ T89] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.562644][ T89] ? 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) [ 11.562647][ T89] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.562650][ T89] put_chars (drivers/char/virtio_console.c:1176) [ 11.562653][ T89] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.562655][ T89] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.562660][ T89] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.562662][ T89] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.562667][ T89] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.562670][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.562675][ T89] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.562677][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.562683][ T89] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.562686][ T89] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.562691][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.562693][ T89] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.562697][ T89] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.562701][ T89] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.562703][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.562708][ T89] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.562711][ T89] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.562713][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.562715][ T89] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.562718][ T89] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.562720][ T89] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.562723][ T89] vprintk_emit (kernel/printk/printk.c:2479) [ 11.562727][ T89] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.562729][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.562731][ T89] ? 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) [ 11.562736][ T89] dev_vprintk_emit (drivers/base/core.c:5000) [ 11.562742][ T89] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 11.562747][ T89] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.562752][ T89] dev_printk_emit (drivers/base/core.c:5011) [ 11.562754][ T89] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 11.562756][ T89] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.562759][ T89] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.562761][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.562762][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.562764][ T89] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.562766][ T89] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.562770][ T89] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 11.562776][ T89] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.562778][ T89] ? netdev_notice (net/core/dev.c:13194) [ 11.562781][ T89] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.562784][ T89] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.562786][ T89] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.562790][ T89] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.562792][ T89] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.562795][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.562799][ T89] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.562803][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.562805][ T89] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.562811][ T89] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.562814][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.562817][ T89] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.562825][ T89] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.562826][ T89] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.562829][ T89] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.562830][ T89] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.562835][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.562839][ T89] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.562841][ T89] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.562844][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.562846][ T89] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.562847][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.562849][ T89] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.562851][ T89] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.562854][ T89] ? __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) [ 11.562857][ T89] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.562858][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.562861][ T89] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.562864][ T89] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.562866][ T89] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.562868][ T89] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.562875][ T89] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.562878][ T89] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.562885][ T89] rtnl_setlink (net/core/rtnetlink.c:3596) [ 11.562889][ T89] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.562891][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.562914][ T89] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.562915][ T89] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.562919][ T89] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.562920][ T89] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.562922][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.562926][ T89] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.562928][ T89] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.562931][ T89] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.562933][ T89] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.562936][ T89] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.562939][ T89] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.562942][ T89] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.562944][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.562948][ T89] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.562950][ T89] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.562954][ T89] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.562957][ T89] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.562961][ T89] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.562967][ T89] ? 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)) [ 11.562969][ T89] ? 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)) [ 11.562974][ T89] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.562978][ T89] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.562981][ T89] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.562983][ T89] ? 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) [ 11.562987][ T89] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.562991][ T89] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.562995][ T89] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.562998][ T89] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.563002][ T89] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 11.563005][ T89] ? __ia32_sys_getpeername (net/socket.c:2235) [ 11.563016][ T89] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 11.563022][ T89] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 11.563024][ T89] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.563028][ T89] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.563030][ T89] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 11.563031][ T89] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.563033][ T89] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.563035][ T89] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.563038][ T89] RIP: 0033:0x7f32ccaab54e [ 11.563042][ T89] 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 [ 11.563043][ T89] RSP: 002b:00007ffe2be605c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 11.563046][ T89] RAX: ffffffffffffffda RBX: 000055d786ff7ff0 RCX: 00007f32ccaab54e [ 11.563048][ T89] RDX: 0000000000000030 RSI: 000055d787151d50 RDI: 0000000000000020 [ 11.563049][ T89] RBP: 00007ffe2be605d0 R08: 00007ffe2be60620 R09: 0000000000000080 [ 11.563049][ T89] R10: 0000000000000000 R11: 0000000000000202 R12: 000055d7871578a0 [ 11.563050][ T89] R13: 00007ffe2be60704 R14: 0000000000000000 R15: 0000000000000000 | [ 12.852517][ T425] softirqs last disabled at (27617): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 12.852519][ T425] Preemption disabled at: | [ 12.852520][ T425] 0x0 | [ 12.852531][ T425] Tainted: [W]=WARN [ 12.852532][ T425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.852533][ T425] Call Trace: [ 12.852535][ T425] [ 12.852537][ T425] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.852543][ T425] __might_resched.cold (kernel/sched/core.c:9234) [ 12.852547][ T425] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.852551][ T425] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 12.852556][ T425] __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)) [ 12.852558][ T425] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.852564][ T425] ? 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) [ 12.852566][ T425] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.852570][ T425] put_chars (drivers/char/virtio_console.c:1176) [ 12.852572][ T425] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.852574][ T425] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 12.852577][ T425] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.852580][ T425] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.852584][ T425] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.852587][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.852589][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.852593][ T425] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.852596][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.852599][ T425] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.852603][ T425] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.852606][ T425] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.852610][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.852613][ T425] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.852616][ T425] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.852620][ T425] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.852622][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.852627][ T425] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.852630][ T425] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.852631][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.852633][ T425] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.852637][ T425] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.852639][ T425] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.852642][ T425] vprintk_emit (kernel/printk/printk.c:2479) [ 12.852645][ T425] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.852649][ T425] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.852652][ T425] _printk (kernel/printk/printk.c:2504) [ 12.852656][ T425] ? snapshot_read.cold (user.c:?) [ 12.852659][ T425] ? 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) [ 12.852662][ T425] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 12.852665][ T425] ? 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) [ 12.852668][ T425] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 12.852672][ T425] ? exit_notify (kernel/exit.c:780) [ 12.852674][ T425] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.852676][ T425] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.852680][ T425] do_group_exit (kernel/exit.c:1151) [ 12.852684][ T425] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 12.852686][ T425] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 12.852688][ T425] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.852691][ T425] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.852695][ T425] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.852697][ T425] RIP: 0033:0x7ff01d1941b8 [ 12.852699][ T425] Code: Unable to access opcode bytes at 0x7ff01d19418e. Code starting with the faulting instruction =========================================== [ 12.852700][ T425] RSP: 002b:00007ffd08518268 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 12.852703][ T425] RAX: ffffffffffffffda RBX: 00007ff01d2c4f88 RCX: 00007ff01d1941b8 [ 12.852704][ T425] RDX: 00007ff01cedf588 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 12.852705][ T425] RBP: 00007ffd085182c0 R08: 0000000000000000 R09: 0000000000000000 [ 12.852706][ T425] R10: 00007ffd08518060 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