====================================== | [ 10.636113][ T181] softirqs last disabled at (36022): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.636117][ T181] Preemption disabled at: | [ 10.636118][ T181] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.636129][ T181] Tainted: [W]=WARN [ 10.636130][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.636133][ T181] Call Trace: [ 10.636135][ T181] [ 10.636138][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.636145][ T181] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.636148][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 10.636154][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.636160][ 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) [ 10.636168][ 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)) [ 10.636172][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.636182][ 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) [ 10.636185][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.636192][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 10.636196][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.636203][ T181] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.636212][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.636216][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.636225][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.636236][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.636246][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.636253][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.636261][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.636264][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.636271][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.636279][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.636282][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.636292][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.636297][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.636300][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.636303][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.636310][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.636312][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.636318][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 10.636323][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.636326][ T181] ? write_profile (profile.c:?) [ 10.636330][ T181] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.636340][ T181] dev_vprintk_emit (drivers/base/core.c:5000) [ 10.636348][ T181] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 10.636355][ T181] ? filter_irq_stacks (kernel/stacktrace.c:402) [ 10.636366][ T181] dev_printk_emit (drivers/base/core.c:5011) [ 10.636370][ T181] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 10.636377][ T181] ? check_prev_add (kernel/locking/lockdep.c:3258 (discriminator 3)) [ 10.636387][ T181] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 10.636396][ T181] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.636400][ T181] ? netdev_notice (net/core/dev.c:13194) [ 10.636404][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.636410][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.636414][ T181] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.636420][ T181] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.636425][ T181] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.636429][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.636432][ 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)) [ 10.636435][ T181] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 10.636440][ T181] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.636445][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.636450][ T181] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.636458][ T181] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.636464][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.636469][ T181] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.636472][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.636474][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.636478][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.636482][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.636490][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.636499][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.636502][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.636508][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.636511][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.636513][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.636515][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.636519][ T181] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.636523][ 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) [ 10.636528][ T181] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.636530][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.636534][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 10.636538][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.636543][ T181] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.636546][ T181] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.636555][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.636562][ T181] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 10.636575][ T181] rtnl_setlink (net/core/rtnetlink.c:3596) [ 10.636581][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.636584][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.636632][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.636635][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.636640][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.636644][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.636647][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.636656][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.636659][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.636663][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.636666][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.636673][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 10.636677][ T181] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.636684][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.636686][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.636695][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.636698][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.636705][ T181] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.636709][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.636715][ T181] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.636727][ 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)) [ 10.636730][ 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)) [ 10.636739][ T181] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.636747][ T181] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.636751][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.636760][ T181] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.636767][ T181] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.636774][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.636779][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.636786][ T181] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 10.636792][ T181] ? __ia32_sys_getpeername (net/socket.c:2235) [ 10.636812][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1483 arch/x86/mm/fault.c:1536) [ 10.636822][ T181] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 10.636825][ T181] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 10.636830][ T181] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 10.636832][ T181] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 10.636836][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.636839][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.636843][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.636847][ T181] RIP: 0033:0x7f31c567754e [ 10.636852][ 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 [ 10.636854][ T181] RSP: 002b:00007ffffa5750c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 10.636858][ T181] RAX: ffffffffffffffda RBX: 000055ba68a586a0 RCX: 00007f31c567754e [ 10.636860][ T181] RDX: 0000000000000030 RSI: 000055ba688f7050 RDI: 0000000000000016 [ 10.636861][ T181] RBP: 00007ffffa5750d0 R08: 00007ffffa575120 R09: 0000000000000080 [ 10.636863][ T181] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ba68a63950 [ 10.636864][ T181] R13: 00007ffffa575204 R14: 0000000000000000 R15: 0000000000000000 | [ 12.250526][ T181] softirqs last disabled at (199060): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 12.250529][ T181] Preemption disabled at: | [ 12.250529][ T181] vprintk_emit (kernel/printk/printk.c:2471) | [ 12.250538][ T181] Tainted: [W]=WARN [ 12.250539][ T181] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.250541][ T181] Call Trace: [ 12.250543][ T181] [ 12.250545][ T181] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 12.250551][ T181] ? vprintk_emit (kernel/printk/printk.c:2471) [ 12.250552][ T181] __might_resched.cold (kernel/sched/core.c:9234) [ 12.250557][ T181] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 12.250561][ 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) [ 12.250567][ 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)) [ 12.250570][ T181] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.250577][ 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) [ 12.250580][ T181] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 12.250584][ T181] put_chars (drivers/char/virtio_console.c:1176) [ 12.250587][ T181] ? __send_to_port (drivers/char/virtio_console.c:654) [ 12.250589][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.250596][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.250600][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.250606][ T181] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 12.250609][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250614][ T181] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 12.250618][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250623][ T181] console_emit_next_record (kernel/printk/printk.c:3183) [ 12.250627][ T181] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 12.250633][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250635][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.250639][ T181] console_flush_one_record (kernel/printk/printk.c:3268) [ 12.250644][ T181] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 12.250646][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250652][ T181] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 12.250655][ T181] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 12.250657][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250659][ T181] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 12.250663][ T181] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 12.250665][ T181] ? vprintk_emit (kernel/printk/printk.c:2478) [ 12.250668][ T181] vprintk_emit (kernel/printk/printk.c:2479) [ 12.250671][ T181] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 12.250673][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250675][ 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)) [ 12.250680][ T181] dev_vprintk_emit (drivers/base/core.c:5000) [ 12.250686][ T181] ? device_rename.cold (drivers/base/core.c:4612 (discriminator 13)) [ 12.250691][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.250696][ T181] dev_printk_emit (drivers/base/core.c:5011) [ 12.250699][ T181] ? dev_vprintk_emit (drivers/base/core.c:5001) [ 12.250701][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.250703][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.250705][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250707][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250709][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.250711][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.250715][ T181] __netdev_printk (net/core/dev.c:13140 (discriminator 4)) [ 12.250721][ T181] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 12.250724][ T181] ? netdev_notice (net/core/dev.c:13194) [ 12.250726][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.250729][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.250732][ T181] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 12.250736][ T181] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.250739][ T181] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 12.250742][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250744][ 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)) [ 12.250746][ T181] ? find_held_lock (kernel/locking/lockdep.c:5360) [ 12.250749][ T181] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 12.250751][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.250754][ T181] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 12.250760][ T181] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 12.250763][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250766][ T181] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 12.250768][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.250770][ T181] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 12.250772][ T181] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 12.250774][ T181] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 12.250779][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250784][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.250786][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 12.250789][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250791][ T181] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 12.250793][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250794][ T181] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 12.250795][ T181] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 12.250798][ 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) [ 12.250802][ T181] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 12.250804][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250806][ T181] ? rtnl_setlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:3586) [ 12.250809][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.250814][ T181] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 12.250817][ T181] ? nla_get_range_signed (lib/nlattr.c:270) [ 12.250825][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.250829][ T181] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 12.250837][ T181] rtnl_setlink (net/core/rtnetlink.c:3596) [ 12.250841][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 12.250842][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250867][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.250869][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.250873][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.250875][ T181] ? mark_usage (kernel/locking/lockdep.c:4690) [ 12.250877][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250882][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.250884][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.250886][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 12.250888][ T181] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 12.250892][ T181] ? __rtnl_newlink (net/core/rtnetlink.c:4090 (discriminator 1)) [ 12.250895][ T181] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 12.250899][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.250900][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250905][ T181] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 12.250907][ T181] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 12.250911][ T181] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 12.250914][ T181] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 12.250918][ T181] ? netlink_ack (./include/linux/skbuff.h:2718) [ 12.250925][ 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)) [ 12.250927][ 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)) [ 12.250932][ T181] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 12.250936][ T181] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 12.250939][ T181] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 12.250944][ T181] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 12.250949][ T181] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 12.250953][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.250957][ T181] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 12.250961][ T181] __sys_sendto (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2281 (discriminator 4)) [ 12.250964][ T181] ? __ia32_sys_getpeername (net/socket.c:2235) [ 12.250980][ T181] __x64_sys_sendto (net/socket.c:2288 net/socket.c:2284 net/socket.c:2284) [ 12.250982][ T181] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 12.250985][ T181] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 12.250987][ T181] ? do_syscall_64 (arch/x86/entry/syscall_64.c:81 (discriminator 44)) [ 12.250989][ T181] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 12.250991][ T181] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 12.250994][ T181] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 12.250996][ T181] RIP: 0033:0x7f31c567754e [ 12.251001][ 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 [ 12.251002][ T181] RSP: 002b:00007ffffa5750c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002c [ 12.251005][ T181] RAX: ffffffffffffffda RBX: 000055ba68a586a0 RCX: 00007f31c567754e [ 12.251006][ T181] RDX: 0000000000000030 RSI: 000055ba688edea0 RDI: 0000000000000016 [ 12.251007][ T181] RBP: 00007ffffa5750d0 R08: 00007ffffa575120 R09: 0000000000000080 [ 12.251008][ T181] R10: 0000000000000000 R11: 0000000000000202 R12: 000055ba68a63210 [ 12.251009][ T181] R13: 00007ffffa575204 R14: 0000000000000000 R15: 0000000000000000 | [ 13.362192][ T248] softirqs last disabled at (26633): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 13.362194][ T248] Preemption disabled at: | [ 13.362195][ T248] 0x0 | [ 13.362205][ T248] Tainted: [W]=WARN [ 13.362206][ T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.362208][ T248] Call Trace: [ 13.362209][ T248] [ 13.362211][ T248] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 13.362217][ T248] __might_resched.cold (kernel/sched/core.c:9234) [ 13.362222][ T248] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 13.362226][ T248] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 13.362232][ T248] __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)) [ 13.362234][ T248] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.362241][ T248] ? 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) [ 13.362249][ T248] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 13.362253][ T248] put_chars (drivers/char/virtio_console.c:1176) [ 13.362256][ T248] ? __send_to_port (drivers/char/virtio_console.c:654) [ 13.362258][ T248] ? printk_get_next_message (kernel/printk/printk.c:3072) [ 13.362261][ T248] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 13.362265][ T248] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 13.362270][ T248] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 13.362273][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.362275][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.362279][ T248] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 13.362283][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.362285][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.362289][ T248] console_emit_next_record (kernel/printk/printk.c:3183) [ 13.362293][ T248] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 13.362298][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.362300][ T248] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 13.362304][ T248] console_flush_one_record (kernel/printk/printk.c:3268) [ 13.362308][ T248] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 13.362310][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.362316][ T248] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 13.362319][ T248] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 13.362321][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.362323][ T248] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 13.362326][ T248] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 13.362328][ T248] ? vprintk_emit (kernel/printk/printk.c:2478) [ 13.362331][ T248] vprintk_emit (kernel/printk/printk.c:2479) [ 13.362334][ T248] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 13.362337][ T248] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 13.362341][ T248] _printk (kernel/printk/printk.c:2504) [ 13.362345][ T248] ? snapshot_read.cold (user.c:?) [ 13.362348][ T248] ? 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) [ 13.362351][ T248] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 13.362355][ T248] ? 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) [ 13.362358][ T248] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 13.362361][ T248] ? exit_notify (kernel/exit.c:780) [ 13.362363][ T248] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 13.362366][ T248] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 13.362369][ T248] do_group_exit (kernel/exit.c:1151) [ 13.362372][ T248] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 13.362374][ T248] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 13.362376][ T248] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 13.362380][ T248] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 13.362383][ T248] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 13.362386][ T248] RIP: 0033:0x7f3464a5c1b8 [ 13.362388][ T248] Code: Unable to access opcode bytes at 0x7f3464a5c18e. Code starting with the faulting instruction =========================================== [ 13.362389][ T248] RSP: 002b:00007ffe7afc3548 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 13.362391][ T248] RAX: ffffffffffffffda RBX: 00007f3464b8cf88 RCX: 00007f3464a5c1b8 [ 13.362393][ T248] RDX: 00007f34647a6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 13.362393][ T248] RBP: 00007ffe7afc35a0 R08: 0000000000000000 R09: 0000000000000050 [ 13.362394][ T248] R10: 00007ffe7afc3360 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