====================================== | [ 10.089917][ T182] softirqs last disabled at (28506): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.089920][ T182] Preemption disabled at: | [ 10.089920][ T182] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.089928][ T182] Tainted: [W]=WARN [ 10.089929][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.089931][ T182] Call Trace: [ 10.089933][ T182] [ 10.089935][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.089941][ T182] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.089943][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 10.089947][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.089951][ T182] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.089957][ T182] __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)) [ 10.089960][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.089966][ T182] ? 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) [ 10.089969][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.089973][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 10.089976][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.089979][ T182] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.089985][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.089988][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.089993][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.089996][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.090002][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.090006][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.090011][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.090013][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.090017][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.090021][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.090023][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.090029][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.090032][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.090034][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.090036][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.090039][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.090041][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.090044][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 10.090047][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.090049][ T182] ? write_profile (profile.c:?) [ 10.090052][ T182] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.090058][ T182] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.090064][ T182] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.090068][ T182] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.090074][ T182] dev_printk_emit (drivers/base/core.c:5011) [ 10.090076][ T182] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.090080][ T182] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.090086][ T182] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.090091][ T182] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.090094][ T182] ? netdev_notice (net/core/dev.c:13194) [ 10.090096][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.090099][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.090102][ T182] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.090106][ T182] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.090108][ T182] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.090111][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.090113][ T182] ? 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)) [ 10.090115][ T182] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.090118][ T182] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.090121][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.090123][ T182] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.090129][ T182] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.090132][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.090135][ T182] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.090136][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.090138][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.090140][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.090143][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.090148][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.090153][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.090155][ T182] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.090158][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.090160][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.090161][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.090163][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.090164][ T182] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.090167][ T182] ? __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) [ 10.090170][ T182] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.090172][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.090175][ T182] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.090177][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.090180][ T182] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.090182][ T182] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.090188][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.090191][ T182] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.090199][ T182] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.090203][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.090204][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.090228][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.090230][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.090233][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.090235][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.090237][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.090242][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.090244][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.090246][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.090248][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.090252][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.090255][ T182] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.090258][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.090260][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.090265][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.090267][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.090270][ T182] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.090274][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.090277][ T182] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.090284][ T182] ? 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)) [ 10.090286][ T182] ? 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)) [ 10.090291][ T182] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.090295][ T182] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.090297][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.090302][ T182] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.090307][ T182] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.090311][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.090314][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.090318][ T182] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.090322][ T182] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.090333][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.090338][ T182] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.090340][ T182] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.090344][ T182] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.090345][ T182] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.090348][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.090350][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.090352][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.090354][ T182] RIP: 0033:0x7f9e35a5654e [ 10.090358][ T182] 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 [ 10.090360][ T182] RSP: 002b:00007ffe5a4f3aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.090362][ T182] RAX: ffffffffffffffda RBX: 0000558b54f403a0 RCX: 00007f9e35a5654e [ 10.090364][ T182] RDX: 0000000000000030 RSI: 0000558b54d62720 RDI: 0000000000000016 [ 10.090365][ T182] RBP: 00007ffe5a4f3ab0 R08: 00007ffe5a4f3b00 R09: 0000000000000080 [ 10.090365][ T182] R10: 0000000000000000 R11: 0000000000000202 R12: 0000558b54ed1d70 [ 10.090366][ T182] R13: 00007ffe5a4f3be4 R14: 0000000000000000 R15: 0000000000000000 | [ 11.426210][ T182] softirqs last disabled at (186068): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 11.426212][ T182] Preemption disabled at: | [ 11.426213][ T182] vprintk_emit (kernel/printk/printk.c:2471) | [ 11.426221][ T182] Tainted: [W]=WARN [ 11.426222][ T182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 11.426223][ T182] Call Trace: [ 11.426225][ T182] [ 11.426227][ T182] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 11.426233][ T182] ? vprintk_emit (kernel/printk/printk.c:2471) [ 11.426235][ T182] __might_resched.cold (kernel/sched/core.c:9234) [ 11.426239][ T182] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 11.426244][ T182] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 11.426250][ T182] __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)) [ 11.426252][ T182] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.426258][ T182] ? 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) [ 11.426261][ T182] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 11.426264][ T182] put_chars (drivers/char/virtio_console.c:1176) [ 11.426268][ T182] ? __send_to_port (drivers/char/virtio_console.c:654) [ 11.426269][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.426273][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.426276][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.426281][ T182] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 11.426284][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.426290][ T182] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 11.426293][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.426298][ T182] console_emit_next_record (kernel/printk/printk.c:3183) [ 11.426302][ T182] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 11.426306][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.426308][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.426312][ T182] console_flush_one_record (kernel/printk/printk.c:3268) [ 11.426317][ T182] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 11.426319][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.426324][ T182] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 11.426327][ T182] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 11.426329][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.426331][ T182] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 11.426335][ T182] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 11.426336][ T182] ? vprintk_emit (kernel/printk/printk.c:2478) [ 11.426339][ T182] vprintk_emit (kernel/printk/printk.c:2479) [ 11.426343][ T182] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 11.426344][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.426346][ T182] ? 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)) [ 11.426351][ T182] dev_vprintk_emit (drivers/base/core.c:5000) [ 11.426357][ T182] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 11.426362][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.426367][ T182] dev_printk_emit (drivers/base/core.c:5011) [ 11.426369][ T182] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 11.426371][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.426373][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.426376][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.426377][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.426379][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.426381][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.426384][ T182] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 11.426390][ T182] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 11.426393][ T182] ? netdev_notice (net/core/dev.c:13194) [ 11.426395][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.426398][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.426401][ T182] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 11.426405][ T182] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.426407][ T182] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 11.426410][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.426412][ T182] ? 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)) [ 11.426414][ T182] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 11.426417][ T182] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 11.426420][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.426422][ T182] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 11.426428][ T182] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 11.426431][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.426434][ T182] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 11.426435][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.426437][ T182] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 11.426439][ T182] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 11.426441][ T182] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 11.426446][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.426450][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.426452][ T182] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.426455][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.426457][ T182] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 11.426459][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.426460][ T182] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 11.426462][ T182] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 11.426464][ T182] ? __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) [ 11.426468][ T182] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 11.426469][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.426472][ T182] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 11.426475][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.426479][ T182] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 11.426482][ T182] ? nla_get_range_signed (lib/nlattr.c:270) [ 11.426493][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.426497][ T182] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 11.426504][ T182] rtnl_setlink (net/core/rtnetlink.c:3596) [ 11.426508][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.426510][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.426532][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.426534][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.426536][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.426538][ T182] ? mark_usage (kernel/locking/lockdep.c:4690) [ 11.426541][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.426545][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.426547][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.426549][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.426551][ T182] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 11.426555][ T182] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 11.426557][ T182] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 11.426561][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.426563][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.426567][ T182] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 11.426569][ T182] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 11.426573][ T182] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 11.426576][ T182] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 11.426579][ T182] ? netlink_ack (./include/linux/skbuff.h:2718) [ 11.426586][ T182] ? 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)) [ 11.426587][ T182] ? 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)) [ 11.426592][ T182] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 11.426596][ T182] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 11.426599][ T182] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 11.426603][ T182] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 11.426608][ T182] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 11.426611][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.426615][ T182] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 11.426619][ T182] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 11.426622][ T182] ? __ia32_sys_getpeername (net/socket.c:2235) [ 11.426636][ T182] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 11.426637][ T182] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 11.426641][ T182] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 11.426643][ T182] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 11.426645][ T182] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 11.426647][ T182] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 11.426650][ T182] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 11.426652][ T182] RIP: 0033:0x7f9e35a5654e [ 11.426656][ T182] 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 [ 11.426657][ T182] RSP: 002b:00007ffe5a4f3aa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 11.426660][ T182] RAX: ffffffffffffffda RBX: 0000558b54f403a0 RCX: 00007f9e35a5654e [ 11.426661][ T182] RDX: 0000000000000030 RSI: 0000558b54d7e4d0 RDI: 0000000000000016 [ 11.426662][ T182] RBP: 00007ffe5a4f3ab0 R08: 00007ffe5a4f3b00 R09: 0000000000000080 [ 11.426663][ T182] R10: 0000000000000000 R11: 0000000000000202 R12: 0000558b54ede080 [ 11.426663][ T182] R13: 00007ffe5a4f3be4 R14: 0000000000000000 R15: 0000000000000000 | [ 13.665611][ T175] softirqs last disabled at (1175651): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.665614][ T175] Preemption disabled at: | [ 13.665614][ T175] 0x0 | [ 13.665625][ T175] Tainted: [W]=WARN [ 13.665626][ T175] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.665628][ T175] Call Trace: [ 13.665629][ T175] [ 13.665631][ T175] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.665638][ T175] __might_resched.cold (kernel/sched/core.c:9234) [ 13.665643][ T175] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.665647][ T175] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.665653][ T175] __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)) [ 13.665656][ T175] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.665663][ T175] ? 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) [ 13.665666][ T175] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.665669][ T175] put_chars (drivers/char/virtio_console.c:1176) [ 13.665673][ T175] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.665674][ T175] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.665678][ T175] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.665682][ T175] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.665687][ T175] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.665690][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.665692][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.665697][ T175] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.665700][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.665703][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.665707][ T175] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.665712][ T175] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.665716][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.665718][ T175] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.665723][ T175] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.665727][ T175] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.665729][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.665735][ T175] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.665738][ T175] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.665740][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.665742][ T175] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.665746][ T175] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.665748][ T175] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.665750][ T175] vprintk_emit (kernel/printk/printk.c:2479) [ 13.665754][ T175] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.665757][ T175] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.665761][ T175] _printk (kernel/printk/printk.c:2504) [ 13.665765][ T175] ? snapshot_read.cold (user.c:?) [ 13.665767][ T175] ? 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) [ 13.665770][ T175] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.665774][ T175] ? 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) [ 13.665777][ T175] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.665781][ T175] ? exit_notify (kernel/exit.c:780) [ 13.665783][ T175] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.665786][ T175] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.665790][ T175] do_group_exit (kernel/exit.c:1151) [ 13.665793][ T175] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.665795][ T175] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.665797][ T175] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.665801][ T175] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.665804][ T175] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.665807][ T175] RIP: 0033:0x7f62d33fa1b8 [ 13.665814][ T175] Code: Unable to access opcode bytes at 0x7f62d33fa18e. Code starting with the faulting instruction =========================================== [ 13.665815][ T175] RSP: 002b:00007ffec186df68 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.665818][ T175] RAX: ffffffffffffffda RBX: 00007f62d352af88 RCX: 00007f62d33fa1b8 [ 13.665819][ T175] RDX: 00007f62d3222708 RSI: ffffffffffffff90 RDI: 0000000000000000 [ 13.665820][ T175] RBP: 00007ffec186dfc0 R08: 0000000000000000 R09: 0000000000000001 [ 13.665821][ T175] R10: 00007f62d38e43f5 R11: 0000000000000246 R12: 0000000000000002 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