====================================== | [ 10.184576][ T227] softirqs last disabled at (19588): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 10.184579][ T227] Preemption disabled at: | [ 10.184579][ T227] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.184588][ T227] Tainted: [W]=WARN [ 10.184589][ T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.184590][ T227] Call Trace: [ 10.184591][ T227] [ 10.184593][ T227] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.184599][ T227] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.184600][ T227] __might_resched.cold (kernel/sched/core.c:9234) [ 10.184604][ T227] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.184609][ T227] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.184616][ T227] __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)) [ 10.184618][ T227] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.184625][ T227] ? 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) [ 10.184627][ T227] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.184631][ T227] put_chars (drivers/char/virtio_console.c:1176) [ 10.184633][ T227] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.184639][ T227] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.184647][ T227] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.184650][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.184654][ T227] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.184658][ T227] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.184660][ T227] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 10.184663][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.184665][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.184669][ T227] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.184673][ T227] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.184675][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.184680][ T227] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.184683][ T227] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.184685][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.184686][ T227] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 10.184690][ T227] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.184692][ T227] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.184694][ T227] vprintk_emit (kernel/printk/printk.c:2479) [ 10.184697][ T227] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.184699][ T227] ? save_trace (kernel/locking/lockdep.c:589) [ 10.184703][ T227] _printk (kernel/printk/printk.c:2504) [ 10.184707][ T227] ? snapshot_read.cold (user.c:?) [ 10.184710][ T227] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 10.184712][ T227] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.184716][ T227] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.184719][ T227] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.184721][ T227] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 10.184723][ T227] ? netdev_notice (net/core/dev.c:13194) [ 10.184726][ T227] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.184729][ T227] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.184731][ T227] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.184735][ T227] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.184737][ T227] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 10.184738][ T227] ? register_netdev (net/core/dev.c:11618) [ 10.184740][ T227] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 10.184745][ T227] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 10.184747][ T227] ? __kernel_text_address (kernel/extable.c:79) [ 10.184749][ T227] ? write_profile (profile.c:?) [ 10.184753][ T227] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 10.184759][ T227] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 10.184762][ T227] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.184764][ T227] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.184765][ T227] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.184768][ T227] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.184771][ T227] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.184773][ T227] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.184775][ T227] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.184777][ T227] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.184779][ T227] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.184780][ T227] ? kasan_save_track (mm/kasan/common.c:78) [ 10.184782][ T227] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 10.184784][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.184786][ T227] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 10.184788][ T227] ? ___sys_sendmsg (net/socket.c:2758) [ 10.184792][ T227] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.184794][ T227] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.184797][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.184798][ T227] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.184800][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.184801][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.184802][ T227] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.184805][ T227] ? __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) [ 10.184807][ T227] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.184809][ T227] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.184812][ T227] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.184813][ T227] ? nla_get_range_signed (lib/nlattr.c:270) [ 10.184818][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.184820][ T227] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.184825][ T227] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.184830][ T227] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.184832][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.184836][ T227] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.184838][ T227] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.184840][ T227] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.184842][ T227] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.184845][ T227] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.184847][ T227] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.184850][ T227] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.184852][ T227] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.184856][ T227] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.184858][ T227] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.184861][ T227] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.184864][ T227] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.184867][ T227] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.184873][ T227] ? 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)) [ 10.184875][ T227] ? 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)) [ 10.184880][ T227] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.184883][ T227] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.184886][ T227] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.184890][ T227] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.184894][ T227] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.184897][ T227] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.184899][ T227] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 10.184904][ T227] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 10.184907][ T227] ____sys_sendmsg (net/socket.c:2713) [ 10.184909][ T227] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.184911][ T227] ? sock_write_iter (net/socket.c:1269) [ 10.184913][ T227] ? move_addr_to_kernel (net/socket.c:258) [ 10.184920][ T227] ___sys_sendmsg (net/socket.c:2767) [ 10.184922][ T227] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.184938][ T227] __sys_sendmsg (net/socket.c:2799) [ 10.184940][ T227] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.184946][ T227] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.184949][ T227] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.184952][ T227] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.184959][ T227] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.184961][ T227] RIP: 0033:0x7fcf99e7454e [ 10.184965][ T227] 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 [ 10.184967][ T227] RSP: 002b:00007ffe4d8c6f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.184969][ T227] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcf99e7454e [ 10.184971][ T227] RDX: 0000000000000000 RSI: 00007ffe4d8c6ff0 RDI: 0000000000000005 [ 10.184971][ T227] RBP: 00007ffe4d8c6f50 R08: 0000000000000000 R09: 0000000000000000 [ 10.184972][ T227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916ca9 [ 10.184973][ T227] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe4d8c76c0 | [ 15.205227][ T344] softirqs last disabled at (15810): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 15.205230][ T344] Preemption disabled at: | [ 15.205230][ T344] vprintk_emit (kernel/printk/printk.c:2471) | [ 15.205238][ T344] Tainted: [W]=WARN [ 15.205239][ T344] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.205241][ T344] Call Trace: [ 15.205243][ T344] [ 15.205244][ T344] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.205250][ T344] ? vprintk_emit (kernel/printk/printk.c:2471) [ 15.205251][ T344] __might_resched.cold (kernel/sched/core.c:9234) [ 15.205256][ T344] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.205260][ T344] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.205265][ T344] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 15.205267][ T344] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.205273][ T344] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 15.205276][ T344] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.205279][ T344] put_chars (drivers/char/virtio_console.c:1176) [ 15.205282][ T344] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.205288][ T344] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.205295][ T344] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.205298][ T344] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.205302][ T344] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.205307][ T344] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.205308][ T344] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 15.205312][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.205314][ T344] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.205318][ T344] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.205322][ T344] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.205324][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.205329][ T344] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.205332][ T344] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.205334][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.205335][ T344] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 15.205339][ T344] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.205340][ T344] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.205343][ T344] vprintk_emit (kernel/printk/printk.c:2479) [ 15.205346][ T344] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.205349][ T344] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 15.205354][ T344] _printk (kernel/printk/printk.c:2504) [ 15.205357][ T344] ? snapshot_read.cold (user.c:?) [ 15.205359][ T344] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.205361][ T344] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.205364][ T344] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.205366][ T344] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 15.205370][ T344] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 15.205373][ T344] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 15.205375][ T344] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 15.205377][ T344] ? netdev_notice (net/core/dev.c:13194) [ 15.205380][ T344] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.205383][ T344] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.205385][ T344] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 15.205389][ T344] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 15.205391][ T344] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 15.205393][ T344] ? register_netdev (net/core/dev.c:11618) [ 15.205394][ T344] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 15.205399][ T344] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 15.205402][ T344] ? __kernel_text_address (kernel/extable.c:79) [ 15.205404][ T344] ? write_profile (profile.c:?) [ 15.205408][ T344] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 15.205414][ T344] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 15.205417][ T344] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 15.205419][ T344] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 15.205421][ T344] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 15.205422][ T344] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 15.205426][ T344] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.205428][ T344] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 15.205429][ T344] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.205432][ T344] ? kasan_save_stack (mm/kasan/common.c:58) [ 15.205434][ T344] ? kasan_save_stack (mm/kasan/common.c:57) [ 15.205435][ T344] ? kasan_save_track (mm/kasan/common.c:78) [ 15.205436][ T344] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 15.205438][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.205440][ T344] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 15.205443][ T344] ? ___sys_sendmsg (net/socket.c:2758) [ 15.205447][ T344] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.205449][ T344] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.205451][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.205453][ T344] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.205455][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.205456][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.205457][ T344] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 15.205460][ T344] ? __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) [ 15.205461][ T344] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 15.205463][ T344] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 15.205466][ T344] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 15.205467][ T344] ? nla_get_range_signed (lib/nlattr.c:270) [ 15.205472][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.205474][ T344] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 15.205479][ T344] rtnl_newlink (net/core/rtnetlink.c:4215) [ 15.205484][ T344] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.205486][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.205491][ T344] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.205492][ T344] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.205494][ T344] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.205496][ T344] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.205500][ T344] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 15.205502][ T344] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 15.205505][ T344] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.205506][ T344] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.205510][ T344] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 15.205512][ T344] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.205515][ T344] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 15.205519][ T344] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 15.205521][ T344] ? netlink_ack (./include/linux/skbuff.h:2718) [ 15.205528][ T344] ? 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)) [ 15.205530][ T344] ? 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)) [ 15.205534][ T344] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 15.205538][ T344] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 15.205540][ T344] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 15.205544][ T344] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 15.205548][ T344] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 15.205552][ T344] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.205553][ T344] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 15.205559][ T344] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 15.205561][ T344] ____sys_sendmsg (net/socket.c:2713) [ 15.205564][ T344] ? copy_msghdr_from_user (net/socket.c:2650) [ 15.205566][ T344] ? sock_write_iter (net/socket.c:1269) [ 15.205567][ T344] ? move_addr_to_kernel (net/socket.c:258) [ 15.205574][ T344] ___sys_sendmsg (net/socket.c:2767) [ 15.205577][ T344] ? copy_msghdr_from_user (net/socket.c:2619) [ 15.205592][ T344] __sys_sendmsg (net/socket.c:2799) [ 15.205595][ T344] ? __sys_sendmsg_sock (net/socket.c:2780) [ 15.205601][ T344] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.205604][ T344] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.205607][ T344] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.205610][ T344] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.205615][ T344] RIP: 0033:0x7fa9981a354e [ 15.205619][ T344] 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 [ 15.205621][ T344] RSP: 002b:00007ffdc38b5100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 15.205624][ T344] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fa9981a354e [ 15.205625][ T344] RDX: 0000000000000000 RSI: 00007ffdc38b51b0 RDI: 0000000000000005 [ 15.205626][ T344] RBP: 00007ffdc38b5110 R08: 0000000000000000 R09: 0000000000000000 [ 15.205627][ T344] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916cae [ 15.205628][ T344] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdc38b5880 | [ 20.116147][ T457] softirqs last disabled at (18690): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 20.116150][ T457] Preemption disabled at: | [ 20.116150][ T457] vprintk_emit (kernel/printk/printk.c:2471) | [ 20.116158][ T457] Tainted: [W]=WARN [ 20.116159][ T457] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 20.116160][ T457] Call Trace: [ 20.116162][ T457] [ 20.116163][ T457] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 20.116168][ T457] ? vprintk_emit (kernel/printk/printk.c:2471) [ 20.116170][ T457] __might_resched.cold (kernel/sched/core.c:9234) [ 20.116174][ T457] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 20.116178][ T457] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 20.116182][ T457] __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)) [ 20.116184][ T457] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.116191][ T457] ? 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) [ 20.116193][ T457] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 20.116197][ T457] put_chars (drivers/char/virtio_console.c:1176) [ 20.116199][ T457] ? __send_to_port (drivers/char/virtio_console.c:654) [ 20.116205][ T457] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 20.116213][ T457] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 20.116216][ T457] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.116220][ T457] console_emit_next_record (kernel/printk/printk.c:3183) [ 20.116224][ T457] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 20.116226][ T457] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 20.116229][ T457] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.116232][ T457] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.116235][ T457] console_flush_one_record (kernel/printk/printk.c:3268) [ 20.116239][ T457] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 20.116241][ T457] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.116246][ T457] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 20.116249][ T457] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 20.116251][ T457] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.116253][ T457] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 20.116256][ T457] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 20.116258][ T457] ? vprintk_emit (kernel/printk/printk.c:2478) [ 20.116261][ T457] vprintk_emit (kernel/printk/printk.c:2479) [ 20.116264][ T457] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 20.116266][ T457] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 20.116271][ T457] _printk (kernel/printk/printk.c:2504) [ 20.116275][ T457] ? snapshot_read.cold (user.c:?) [ 20.116277][ T457] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.116279][ T457] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.116282][ T457] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.116284][ T457] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 20.116287][ T457] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 20.116290][ T457] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.116292][ T457] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 20.116295][ T457] ? netdev_notice (net/core/dev.c:13194) [ 20.116297][ T457] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.116300][ T457] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.116303][ T457] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 20.116306][ T457] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.116308][ T457] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 20.116310][ T457] ? register_netdev (net/core/dev.c:11618) [ 20.116312][ T457] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 20.116317][ T457] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 20.116319][ T457] ? __kernel_text_address (kernel/extable.c:79) [ 20.116321][ T457] ? write_profile (profile.c:?) [ 20.116325][ T457] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 20.116331][ T457] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 20.116334][ T457] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 20.116336][ T457] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 20.116337][ T457] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 20.116339][ T457] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 20.116342][ T457] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 20.116344][ T457] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 20.116346][ T457] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 20.116348][ T457] ? kasan_save_stack (mm/kasan/common.c:58) [ 20.116350][ T457] ? kasan_save_stack (mm/kasan/common.c:57) [ 20.116351][ T457] ? kasan_save_track (mm/kasan/common.c:78) [ 20.116352][ T457] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 20.116355][ T457] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.116357][ T457] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 20.116360][ T457] ? ___sys_sendmsg (net/socket.c:2758) [ 20.116363][ T457] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.116365][ T457] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 20.116368][ T457] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.116369][ T457] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 20.116371][ T457] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.116372][ T457] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.116374][ T457] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 20.116376][ T457] ? __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) [ 20.116377][ T457] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 20.116379][ T457] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 20.116382][ T457] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 20.116383][ T457] ? nla_get_range_signed (lib/nlattr.c:270) [ 20.116388][ T457] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.116390][ T457] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 20.116395][ T457] rtnl_newlink (net/core/rtnetlink.c:4215) [ 20.116400][ T457] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 20.116402][ T457] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.116406][ T457] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.116408][ T457] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.116410][ T457] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 20.116412][ T457] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.116415][ T457] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 20.116417][ T457] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 20.116420][ T457] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.116422][ T457] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 20.116426][ T457] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 20.116428][ T457] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.116431][ T457] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 20.116434][ T457] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 20.116437][ T457] ? netlink_ack (./include/linux/skbuff.h:2718) [ 20.116443][ T457] ? 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)) [ 20.116445][ T457] ? 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)) [ 20.116449][ T457] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 20.116453][ T457] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 20.116456][ T457] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 20.116460][ T457] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 20.116463][ T457] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 20.116467][ T457] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 20.116469][ T457] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 20.116474][ T457] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 20.116476][ T457] ____sys_sendmsg (net/socket.c:2713) [ 20.116479][ T457] ? copy_msghdr_from_user (net/socket.c:2650) [ 20.116481][ T457] ? sock_write_iter (net/socket.c:1269) [ 20.116482][ T457] ? move_addr_to_kernel (net/socket.c:258) [ 20.116489][ T457] ___sys_sendmsg (net/socket.c:2767) [ 20.116492][ T457] ? copy_msghdr_from_user (net/socket.c:2619) [ 20.116507][ T457] __sys_sendmsg (net/socket.c:2799) [ 20.116510][ T457] ? __sys_sendmsg_sock (net/socket.c:2780) [ 20.116516][ T457] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 20.116519][ T457] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 20.116522][ T457] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 20.116525][ T457] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 20.116527][ T457] RIP: 0033:0x7f7eb9a9e54e [ 20.116530][ T457] 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 [ 20.116532][ T457] RSP: 002b:00007ffdef9a5150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 20.116535][ T457] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f7eb9a9e54e [ 20.116536][ T457] RDX: 0000000000000000 RSI: 00007ffdef9a5200 RDI: 0000000000000005 [ 20.116537][ T457] RBP: 00007ffdef9a5160 R08: 0000000000000000 R09: 0000000000000000 [ 20.116537][ T457] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916cb3 [ 20.116538][ T457] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffdef9a58d0 | [ 25.037147][ T570] softirqs last disabled at (24380): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 25.037149][ T570] Preemption disabled at: | [ 25.037150][ T570] vprintk_emit (kernel/printk/printk.c:2471) | [ 25.037158][ T570] Tainted: [W]=WARN [ 25.037159][ T570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 25.037161][ T570] Call Trace: [ 25.037162][ T570] [ 25.037164][ T570] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 25.037169][ T570] ? vprintk_emit (kernel/printk/printk.c:2471) [ 25.037171][ T570] __might_resched.cold (kernel/sched/core.c:9234) [ 25.037175][ T570] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 25.037179][ T570] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 25.037184][ T570] __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)) [ 25.037185][ T570] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.037192][ T570] ? 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) [ 25.037194][ T570] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 25.037198][ T570] put_chars (drivers/char/virtio_console.c:1176) [ 25.037200][ T570] ? __send_to_port (drivers/char/virtio_console.c:654) [ 25.037206][ T570] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 25.037214][ T570] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 25.037217][ T570] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.037221][ T570] console_emit_next_record (kernel/printk/printk.c:3183) [ 25.037225][ T570] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 25.037227][ T570] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 25.037230][ T570] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.037233][ T570] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.037237][ T570] console_flush_one_record (kernel/printk/printk.c:3268) [ 25.037241][ T570] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 25.037242][ T570] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.037248][ T570] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 25.037250][ T570] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 25.037252][ T570] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.037254][ T570] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 25.037257][ T570] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 25.037259][ T570] ? vprintk_emit (kernel/printk/printk.c:2478) [ 25.037262][ T570] vprintk_emit (kernel/printk/printk.c:2479) [ 25.037265][ T570] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 25.037267][ T570] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 25.037272][ T570] _printk (kernel/printk/printk.c:2504) [ 25.037276][ T570] ? snapshot_read.cold (user.c:?) [ 25.037277][ T570] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.037280][ T570] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.037282][ T570] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.037284][ T570] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 25.037288][ T570] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 25.037291][ T570] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 25.037293][ T570] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 25.037296][ T570] ? netdev_notice (net/core/dev.c:13194) [ 25.037298][ T570] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.037301][ T570] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.037304][ T570] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 25.037307][ T570] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 25.037309][ T570] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 25.037311][ T570] ? register_netdev (net/core/dev.c:11618) [ 25.037313][ T570] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 25.037318][ T570] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 25.037320][ T570] ? __kernel_text_address (kernel/extable.c:79) [ 25.037323][ T570] ? write_profile (profile.c:?) [ 25.037327][ T570] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 25.037332][ T570] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 25.037335][ T570] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 25.037338][ T570] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 25.037339][ T570] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 25.037341][ T570] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 25.037344][ T570] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 25.037346][ T570] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 25.037347][ T570] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 25.037350][ T570] ? kasan_save_stack (mm/kasan/common.c:58) [ 25.037351][ T570] ? kasan_save_stack (mm/kasan/common.c:57) [ 25.037353][ T570] ? kasan_save_track (mm/kasan/common.c:78) [ 25.037354][ T570] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 25.037356][ T570] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.037358][ T570] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 25.037361][ T570] ? ___sys_sendmsg (net/socket.c:2758) [ 25.037365][ T570] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.037366][ T570] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.037369][ T570] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.037371][ T570] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 25.037372][ T570] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.037373][ T570] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.037375][ T570] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 25.037377][ T570] ? __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) [ 25.037378][ T570] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 25.037380][ T570] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 25.037383][ T570] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 25.037384][ T570] ? nla_get_range_signed (lib/nlattr.c:270) [ 25.037389][ T570] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.037391][ T570] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 25.037396][ T570] rtnl_newlink (net/core/rtnetlink.c:4215) [ 25.037401][ T570] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.037403][ T570] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.037407][ T570] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.037409][ T570] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.037411][ T570] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.037413][ T570] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.037416][ T570] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 25.037418][ T570] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 25.037421][ T570] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.037423][ T570] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 25.037427][ T570] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 25.037429][ T570] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.037432][ T570] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 25.037435][ T570] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 25.037438][ T570] ? netlink_ack (./include/linux/skbuff.h:2718) [ 25.037444][ T570] ? 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)) [ 25.037446][ T570] ? 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)) [ 25.037450][ T570] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 25.037454][ T570] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 25.037456][ T570] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 25.037461][ T570] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 25.037464][ T570] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 25.037468][ T570] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 25.037470][ T570] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 25.037475][ T570] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 25.037477][ T570] ____sys_sendmsg (net/socket.c:2713) [ 25.037480][ T570] ? copy_msghdr_from_user (net/socket.c:2650) [ 25.037482][ T570] ? sock_write_iter (net/socket.c:1269) [ 25.037483][ T570] ? move_addr_to_kernel (net/socket.c:258) [ 25.037491][ T570] ___sys_sendmsg (net/socket.c:2767) [ 25.037493][ T570] ? copy_msghdr_from_user (net/socket.c:2619) [ 25.037508][ T570] __sys_sendmsg (net/socket.c:2799) [ 25.037511][ T570] ? __sys_sendmsg_sock (net/socket.c:2780) [ 25.037517][ T570] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 25.037520][ T570] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 25.037523][ T570] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 25.037526][ T570] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 25.037528][ T570] RIP: 0033:0x7feb331f954e [ 25.037531][ T570] 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 [ 25.037533][ T570] RSP: 002b:00007ffd44504070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 25.037536][ T570] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007feb331f954e [ 25.037537][ T570] RDX: 0000000000000000 RSI: 00007ffd44504120 RDI: 0000000000000005 [ 25.037538][ T570] RBP: 00007ffd44504080 R08: 0000000000000000 R09: 0000000000000000 [ 25.037539][ T570] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916cb8 [ 25.037539][ T570] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd445047f0 | [ 29.998322][ T681] softirqs last disabled at (28798): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 29.998325][ T681] Preemption disabled at: | [ 29.998325][ T681] vprintk_emit (kernel/printk/printk.c:2471) | [ 29.998334][ T681] Tainted: [W]=WARN [ 29.998335][ T681] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.998336][ T681] Call Trace: [ 29.998338][ T681] [ 29.998339][ T681] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 29.998345][ T681] ? vprintk_emit (kernel/printk/printk.c:2471) [ 29.998346][ T681] __might_resched.cold (kernel/sched/core.c:9234) [ 29.998351][ T681] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 29.998355][ T681] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 29.998359][ T681] __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)) [ 29.998361][ T681] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.998367][ T681] ? 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) [ 29.998370][ T681] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 29.998374][ T681] put_chars (drivers/char/virtio_console.c:1176) [ 29.998376][ T681] ? __send_to_port (drivers/char/virtio_console.c:654) [ 29.998382][ T681] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 29.998390][ T681] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 29.998393][ T681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.998397][ T681] console_emit_next_record (kernel/printk/printk.c:3183) [ 29.998401][ T681] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 29.998403][ T681] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 29.998406][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.998409][ T681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.998413][ T681] console_flush_one_record (kernel/printk/printk.c:3268) [ 29.998417][ T681] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 29.998419][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.998424][ T681] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 29.998426][ T681] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 29.998428][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.998430][ T681] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 29.998434][ T681] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 29.998435][ T681] ? vprintk_emit (kernel/printk/printk.c:2478) [ 29.998438][ T681] vprintk_emit (kernel/printk/printk.c:2479) [ 29.998441][ T681] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 29.998443][ T681] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 29.998448][ T681] _printk (kernel/printk/printk.c:2504) [ 29.998452][ T681] ? snapshot_read.cold (user.c:?) [ 29.998453][ T681] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.998456][ T681] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.998459][ T681] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.998461][ T681] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 29.998465][ T681] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 29.998467][ T681] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 29.998470][ T681] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 29.998472][ T681] ? netdev_notice (net/core/dev.c:13194) [ 29.998475][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.998478][ T681] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.998480][ T681] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 29.998484][ T681] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 29.998486][ T681] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 29.998488][ T681] ? register_netdev (net/core/dev.c:11618) [ 29.998489][ T681] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 29.998495][ T681] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 29.998497][ T681] ? __kernel_text_address (kernel/extable.c:79) [ 29.998499][ T681] ? write_profile (profile.c:?) [ 29.998503][ T681] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 29.998509][ T681] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 29.998512][ T681] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 29.998514][ T681] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 29.998516][ T681] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 29.998518][ T681] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 29.998521][ T681] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 29.998523][ T681] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 29.998524][ T681] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 29.998527][ T681] ? kasan_save_stack (mm/kasan/common.c:58) [ 29.998528][ T681] ? kasan_save_stack (mm/kasan/common.c:57) [ 29.998530][ T681] ? kasan_save_track (mm/kasan/common.c:78) [ 29.998531][ T681] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 29.998533][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.998535][ T681] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 29.998538][ T681] ? ___sys_sendmsg (net/socket.c:2758) [ 29.998542][ T681] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.998544][ T681] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 29.998546][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.998548][ T681] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 29.998549][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.998550][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.998552][ T681] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 29.998554][ T681] ? __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) [ 29.998555][ T681] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 29.998557][ T681] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 29.998560][ T681] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 29.998562][ T681] ? nla_get_range_signed (lib/nlattr.c:270) [ 29.998566][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.998568][ T681] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 29.998574][ T681] rtnl_newlink (net/core/rtnetlink.c:4215) [ 29.998579][ T681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.998581][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.998585][ T681] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.998587][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.998589][ T681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.998591][ T681] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.998594][ T681] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 29.998597][ T681] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 29.998600][ T681] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.998601][ T681] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 29.998605][ T681] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 29.998607][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.998611][ T681] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 29.998617][ T681] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 29.998620][ T681] ? netlink_ack (./include/linux/skbuff.h:2718) [ 29.998626][ T681] ? 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)) [ 29.998628][ T681] ? 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)) [ 29.998632][ T681] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 29.998636][ T681] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 29.998639][ T681] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 29.998643][ T681] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 29.998647][ T681] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 29.998651][ T681] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 29.998652][ T681] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 29.998657][ T681] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 29.998660][ T681] ____sys_sendmsg (net/socket.c:2713) [ 29.998662][ T681] ? copy_msghdr_from_user (net/socket.c:2650) [ 29.998665][ T681] ? sock_write_iter (net/socket.c:1269) [ 29.998666][ T681] ? move_addr_to_kernel (net/socket.c:258) [ 29.998673][ T681] ___sys_sendmsg (net/socket.c:2767) [ 29.998676][ T681] ? copy_msghdr_from_user (net/socket.c:2619) [ 29.998691][ T681] __sys_sendmsg (net/socket.c:2799) [ 29.998694][ T681] ? __sys_sendmsg_sock (net/socket.c:2780) [ 29.998700][ T681] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 29.998703][ T681] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 29.998706][ T681] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 29.998709][ T681] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 29.998711][ T681] RIP: 0033:0x7f84a5dbe54e [ 29.998715][ T681] 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 [ 29.998716][ T681] RSP: 002b:00007fff6c693740 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 29.998719][ T681] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f84a5dbe54e [ 29.998720][ T681] RDX: 0000000000000000 RSI: 00007fff6c6937f0 RDI: 0000000000000005 [ 29.998721][ T681] RBP: 00007fff6c693750 R08: 0000000000000000 R09: 0000000000000000 [ 29.998722][ T681] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916cbd [ 29.998723][ T681] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6c693ec0 | [ 35.881259][ T797] softirqs last disabled at (25246): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 35.881262][ T797] Preemption disabled at: | [ 35.881262][ T797] vprintk_emit (kernel/printk/printk.c:2471) | [ 35.881271][ T797] Tainted: [W]=WARN [ 35.881272][ T797] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.881273][ T797] Call Trace: [ 35.881275][ T797] [ 35.881277][ T797] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.881282][ T797] ? vprintk_emit (kernel/printk/printk.c:2471) [ 35.881284][ T797] __might_resched.cold (kernel/sched/core.c:9234) [ 35.881288][ T797] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 35.881292][ T797] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 35.881296][ T797] __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)) [ 35.881298][ T797] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.881304][ T797] ? 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) [ 35.881307][ T797] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 35.881310][ T797] put_chars (drivers/char/virtio_console.c:1176) [ 35.881313][ T797] ? __send_to_port (drivers/char/virtio_console.c:654) [ 35.881319][ T797] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 35.881326][ T797] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 35.881329][ T797] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.881334][ T797] console_emit_next_record (kernel/printk/printk.c:3183) [ 35.881338][ T797] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 35.881340][ T797] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 35.881343][ T797] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.881346][ T797] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.881349][ T797] console_flush_one_record (kernel/printk/printk.c:3268) [ 35.881353][ T797] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 35.881355][ T797] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.881360][ T797] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 35.881363][ T797] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 35.881365][ T797] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.881367][ T797] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 35.881370][ T797] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 35.881372][ T797] ? vprintk_emit (kernel/printk/printk.c:2478) [ 35.881374][ T797] vprintk_emit (kernel/printk/printk.c:2479) [ 35.881378][ T797] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 35.881380][ T797] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 35.881385][ T797] _printk (kernel/printk/printk.c:2504) [ 35.881388][ T797] ? snapshot_read.cold (user.c:?) [ 35.881390][ T797] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.881392][ T797] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.881395][ T797] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.881397][ T797] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 35.881401][ T797] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 35.881403][ T797] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 35.881406][ T797] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 35.881408][ T797] ? netdev_notice (net/core/dev.c:13194) [ 35.881411][ T797] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.881414][ T797] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.881416][ T797] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 35.881420][ T797] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 35.881422][ T797] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 35.881424][ T797] ? register_netdev (net/core/dev.c:11618) [ 35.881425][ T797] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 35.881430][ T797] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 35.881433][ T797] ? __kernel_text_address (kernel/extable.c:79) [ 35.881435][ T797] ? write_profile (profile.c:?) [ 35.881439][ T797] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 35.881445][ T797] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 35.881448][ T797] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 35.881450][ T797] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 35.881451][ T797] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 35.881453][ T797] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 35.881456][ T797] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 35.881458][ T797] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 35.881460][ T797] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 35.881462][ T797] ? kasan_save_stack (mm/kasan/common.c:58) [ 35.881464][ T797] ? kasan_save_stack (mm/kasan/common.c:57) [ 35.881465][ T797] ? kasan_save_track (mm/kasan/common.c:78) [ 35.881466][ T797] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 35.881469][ T797] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.881470][ T797] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 35.881473][ T797] ? ___sys_sendmsg (net/socket.c:2758) [ 35.881477][ T797] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.881479][ T797] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 35.881482][ T797] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.881483][ T797] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 35.881485][ T797] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.881486][ T797] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.881488][ T797] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 35.881490][ T797] ? __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) [ 35.881491][ T797] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 35.881493][ T797] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 35.881496][ T797] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 35.881497][ T797] ? nla_get_range_signed (lib/nlattr.c:270) [ 35.881502][ T797] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.881504][ T797] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 35.881509][ T797] rtnl_newlink (net/core/rtnetlink.c:4215) [ 35.881515][ T797] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 35.881516][ T797] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.881521][ T797] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.881523][ T797] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.881525][ T797] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 35.881527][ T797] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.881530][ T797] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 35.881532][ T797] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 35.881535][ T797] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.881537][ T797] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 35.881541][ T797] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 35.881543][ T797] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.881546][ T797] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 35.881549][ T797] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 35.881552][ T797] ? netlink_ack (./include/linux/skbuff.h:2718) [ 35.881558][ T797] ? 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)) [ 35.881560][ T797] ? 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)) [ 35.881564][ T797] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 35.881568][ T797] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 35.881571][ T797] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 35.881575][ T797] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 35.881579][ T797] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 35.881582][ T797] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 35.881584][ T797] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 35.881589][ T797] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 35.881592][ T797] ____sys_sendmsg (net/socket.c:2713) [ 35.881594][ T797] ? copy_msghdr_from_user (net/socket.c:2650) [ 35.881596][ T797] ? sock_write_iter (net/socket.c:1269) [ 35.881598][ T797] ? move_addr_to_kernel (net/socket.c:258) [ 35.881605][ T797] ___sys_sendmsg (net/socket.c:2767) [ 35.881608][ T797] ? copy_msghdr_from_user (net/socket.c:2619) [ 35.881626][ T797] __sys_sendmsg (net/socket.c:2799) [ 35.881629][ T797] ? __sys_sendmsg_sock (net/socket.c:2780) [ 35.881635][ T797] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 35.881638][ T797] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 35.881641][ T797] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 35.881644][ T797] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 35.881646][ T797] RIP: 0033:0x7fbd59db354e [ 35.881650][ T797] 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 [ 35.881651][ T797] RSP: 002b:00007ffd31281a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 35.881654][ T797] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fbd59db354e [ 35.881655][ T797] RDX: 0000000000000000 RSI: 00007ffd31281b00 RDI: 0000000000000005 [ 35.881656][ T797] RBP: 00007ffd31281a60 R08: 0000000000000000 R09: 0000000000000000 [ 35.881657][ T797] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916cc3 [ 35.881658][ T797] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd312821d0 | [ 42.042180][ T921] softirqs last disabled at (22836): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 42.042182][ T921] Preemption disabled at: | [ 42.042183][ T921] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.042191][ T921] Tainted: [W]=WARN [ 42.042192][ T921] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.042193][ T921] Call Trace: [ 42.042195][ T921] [ 42.042196][ T921] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.042202][ T921] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.042204][ T921] __might_resched.cold (kernel/sched/core.c:9234) [ 42.042208][ T921] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.042212][ T921] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 42.042217][ T921] __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)) [ 42.042218][ T921] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.042225][ T921] ? 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) [ 42.042228][ T921] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.042231][ T921] put_chars (drivers/char/virtio_console.c:1176) [ 42.042234][ T921] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.042240][ T921] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.042247][ T921] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.042250][ T921] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.042254][ T921] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.042258][ T921] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.042260][ T921] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 42.042263][ T921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.042266][ T921] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.042269][ T921] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.042274][ T921] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.042275][ T921] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.042281][ T921] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.042283][ T921] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.042285][ T921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.042287][ T921] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 42.042290][ T921] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.042292][ T921] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.042295][ T921] vprintk_emit (kernel/printk/printk.c:2479) [ 42.042298][ T921] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.042300][ T921] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 42.042305][ T921] _printk (kernel/printk/printk.c:2504) [ 42.042309][ T921] ? snapshot_read.cold (user.c:?) [ 42.042311][ T921] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.042313][ T921] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.042316][ T921] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.042318][ T921] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 42.042322][ T921] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 42.042324][ T921] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 42.042326][ T921] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 42.042329][ T921] ? netdev_notice (net/core/dev.c:13194) [ 42.042332][ T921] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.042335][ T921] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.042337][ T921] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 42.042341][ T921] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 42.042343][ T921] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 42.042345][ T921] ? register_netdev (net/core/dev.c:11618) [ 42.042346][ T921] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 42.042351][ T921] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 42.042354][ T921] ? __kernel_text_address (kernel/extable.c:79) [ 42.042356][ T921] ? write_profile (profile.c:?) [ 42.042360][ T921] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 42.042366][ T921] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 42.042369][ T921] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 42.042371][ T921] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 42.042372][ T921] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 42.042374][ T921] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 42.042377][ T921] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 42.042379][ T921] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 42.042381][ T921] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 42.042383][ T921] ? kasan_save_stack (mm/kasan/common.c:58) [ 42.042385][ T921] ? kasan_save_stack (mm/kasan/common.c:57) [ 42.042386][ T921] ? kasan_save_track (mm/kasan/common.c:78) [ 42.042388][ T921] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 42.042390][ T921] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.042392][ T921] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 42.042395][ T921] ? ___sys_sendmsg (net/socket.c:2758) [ 42.042398][ T921] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.042400][ T921] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.042403][ T921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.042405][ T921] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.042406][ T921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.042407][ T921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.042409][ T921] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 42.042411][ T921] ? __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) [ 42.042412][ T921] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 42.042414][ T921] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 42.042417][ T921] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 42.042419][ T921] ? nla_get_range_signed (lib/nlattr.c:270) [ 42.042423][ T921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.042426][ T921] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 42.042431][ T921] rtnl_newlink (net/core/rtnetlink.c:4215) [ 42.042436][ T921] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.042438][ T921] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.042442][ T921] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.042444][ T921] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.042446][ T921] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.042447][ T921] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.042451][ T921] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 42.042453][ T921] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 42.042456][ T921] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.042457][ T921] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.042462][ T921] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.042464][ T921] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.042467][ T921] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 42.042470][ T921] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 42.042473][ T921] ? netlink_ack (./include/linux/skbuff.h:2718) [ 42.042479][ T921] ? 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)) [ 42.042481][ T921] ? 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)) [ 42.042485][ T921] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 42.042489][ T921] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 42.042492][ T921] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 42.042496][ T921] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 42.042500][ T921] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 42.042503][ T921] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.042505][ T921] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 42.042510][ T921] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 42.042513][ T921] ____sys_sendmsg (net/socket.c:2713) [ 42.042515][ T921] ? copy_msghdr_from_user (net/socket.c:2650) [ 42.042517][ T921] ? sock_write_iter (net/socket.c:1269) [ 42.042519][ T921] ? move_addr_to_kernel (net/socket.c:258) [ 42.042526][ T921] ___sys_sendmsg (net/socket.c:2767) [ 42.042529][ T921] ? copy_msghdr_from_user (net/socket.c:2619) [ 42.042544][ T921] __sys_sendmsg (net/socket.c:2799) [ 42.042547][ T921] ? __sys_sendmsg_sock (net/socket.c:2780) [ 42.042553][ T921] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.042556][ T921] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 42.042559][ T921] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 42.042562][ T921] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 42.042564][ T921] RIP: 0033:0x7f6ff6e5b54e [ 42.042567][ T921] 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 [ 42.042569][ T921] RSP: 002b:00007fff6d4e9970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 42.042572][ T921] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6ff6e5b54e [ 42.042573][ T921] RDX: 0000000000000000 RSI: 00007fff6d4e9a20 RDI: 0000000000000005 [ 42.042574][ T921] RBP: 00007fff6d4e9980 R08: 0000000000000000 R09: 0000000000000000 [ 42.042575][ T921] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916cc9 [ 42.042575][ T921] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6d4ea0f0 | [ 43.506161][ T296] softirqs last disabled at (237242): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 43.506163][ T296] Preemption disabled at: | [ 43.506164][ T296] 0x0 | [ 43.506174][ T296] Tainted: [W]=WARN [ 43.506175][ T296] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.506176][ T296] Workqueue: events_unbound linkwatch_event [ 43.506180][ T296] Call Trace: [ 43.506181][ T296] [ 43.506183][ T296] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.506189][ T296] __might_resched.cold (kernel/sched/core.c:9234) [ 43.506193][ T296] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.506197][ T296] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.506202][ T296] __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)) [ 43.506203][ T296] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.506210][ T296] ? 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) [ 43.506213][ T296] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.506217][ T296] put_chars (drivers/char/virtio_console.c:1176) [ 43.506219][ T296] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.506222][ T296] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.506225][ T296] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.506227][ T296] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.506231][ T296] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.506235][ T296] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.506237][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.506239][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.506243][ T296] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.506245][ T296] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.506249][ T296] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.506253][ T296] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.506257][ T296] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.506259][ T296] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 43.506262][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.506264][ T296] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.506268][ T296] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.506272][ T296] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.506274][ T296] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.506280][ T296] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.506282][ T296] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.506284][ T296] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.506286][ T296] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 43.506290][ T296] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.506292][ T296] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.506294][ T296] vprintk_emit (kernel/printk/printk.c:2479) [ 43.506297][ T296] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.506300][ T296] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.506301][ T296] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.506305][ T296] _printk (kernel/printk/printk.c:2504) [ 43.506309][ T296] ? snapshot_read.cold (user.c:?) [ 43.506314][ T296] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.506318][ T296] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 43.506322][ T296] br_init_port (net/bridge/br_stp_if.c:39) [ 43.506324][ T296] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 43.506326][ T296] br_port_carrier_check (net/bridge/br_if.c:90) [ 43.506330][ T296] br_device_event (net/bridge/br.c:101) [ 43.506334][ T296] ? packet_sendmsg_spkt (af_packet.c:?) [ 43.506335][ T296] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 43.506342][ T296] notifier_call_chain (kernel/notifier.c:85) [ 43.506348][ T296] netif_state_change (net/core/dev.c:1625) [ 43.506352][ T296] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.506357][ T296] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 43.506359][ T296] __linkwatch_run_queue (net/core/link_watch.c:240) [ 43.506362][ T296] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.506365][ T296] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.506369][ T296] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 43.506371][ T296] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 43.506374][ T296] process_one_work (kernel/workqueue.c:3387) [ 43.506381][ T296] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 43.506384][ T296] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.506392][ T296] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 43.506396][ T296] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.506398][ T296] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 43.506401][ T296] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.506404][ T296] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 43.506406][ T296] kthread (kernel/kthread.c:436) [ 43.506408][ T296] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 43.506411][ T296] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.506414][ T296] ret_from_fork (arch/x86/kernel/process.c:158) [ 43.506418][ T296] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 43.506421][ T296] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 43.506425][ T296] ? kthread_affine_preferred (kernel/kthread.c:857) [ 43.506428][ T296] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 46.039812][ T12] softirqs last disabled at (638629): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 46.039814][ T12] Preemption disabled at: | [ 46.039815][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 46.039823][ T12] Tainted: [W]=WARN [ 46.039823][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 46.039825][ T12] Workqueue: netns cleanup_net [ 46.039828][ T12] Call Trace: [ 46.039830][ T12] [ 46.039832][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 46.039837][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 46.039839][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 46.039843][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 46.039847][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 46.039852][ T12] __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)) [ 46.039854][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.039860][ T12] ? 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) [ 46.039863][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 46.039867][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 46.039870][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 46.039873][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 46.039878][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 46.039882][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.039887][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 46.039890][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.039896][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 46.039900][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 46.039902][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 46.039905][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.039907][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.039911][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 46.039915][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 46.039917][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 46.039922][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 46.039925][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 46.039927][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.039928][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 46.039932][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 46.039934][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 46.039937][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 46.039940][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 46.039941][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 46.039943][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 46.039945][ T12] ? kthread (kernel/kthread.c:436) [ 46.039947][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 46.039950][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 46.039955][ T12] _printk (kernel/printk/printk.c:2504) [ 46.039958][ T12] ? snapshot_read.cold (user.c:?) [ 46.039962][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 46.039966][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 46.039970][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 46.039972][ T12] ? netdev_notice (net/core/dev.c:13194) [ 46.039977][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.039979][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 46.039981][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 46.039983][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 46.039985][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 46.039989][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 46.039993][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 46.039996][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 46.039998][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 46.040003][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 46.040006][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 46.040010][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 46.040013][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 46.040015][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 46.040017][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 46.040020][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 46.040025][ T12] cleanup_net (net/core/net_namespace.c:706) [ 46.040029][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 46.040032][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 46.040034][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 46.040038][ T12] process_one_work (kernel/workqueue.c:3387) [ 46.040044][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 46.040047][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 46.040055][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 46.040062][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 46.040064][ T12] kthread (kernel/kthread.c:436) [ 46.040066][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 46.040069][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 46.040072][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 46.040075][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 46.040078][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 46.040088][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 46.040091][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 47.953319][ T1068] softirqs last disabled at (18450): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 47.953321][ T1068] Preemption disabled at: | [ 47.953322][ T1068] vprintk_emit (kernel/printk/printk.c:2471) | [ 47.953330][ T1068] Tainted: [W]=WARN [ 47.953331][ T1068] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 47.953333][ T1068] Call Trace: [ 47.953334][ T1068] [ 47.953336][ T1068] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 47.953342][ T1068] ? vprintk_emit (kernel/printk/printk.c:2471) [ 47.953343][ T1068] __might_resched.cold (kernel/sched/core.c:9234) [ 47.953348][ T1068] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 47.953352][ T1068] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 47.953356][ T1068] __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)) [ 47.953358][ T1068] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.953364][ T1068] ? 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) [ 47.953367][ T1068] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 47.953371][ T1068] put_chars (drivers/char/virtio_console.c:1176) [ 47.953373][ T1068] ? __send_to_port (drivers/char/virtio_console.c:654) [ 47.953379][ T1068] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 47.953386][ T1068] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 47.953389][ T1068] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.953394][ T1068] console_emit_next_record (kernel/printk/printk.c:3183) [ 47.953398][ T1068] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 47.953400][ T1068] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 47.953403][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.953405][ T1068] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.953409][ T1068] console_flush_one_record (kernel/printk/printk.c:3268) [ 47.953413][ T1068] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 47.953415][ T1068] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.953420][ T1068] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 47.953423][ T1068] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 47.953425][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.953426][ T1068] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 47.953430][ T1068] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 47.953431][ T1068] ? vprintk_emit (kernel/printk/printk.c:2478) [ 47.953434][ T1068] vprintk_emit (kernel/printk/printk.c:2479) [ 47.953437][ T1068] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 47.953440][ T1068] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 47.953445][ T1068] _printk (kernel/printk/printk.c:2504) [ 47.953448][ T1068] ? snapshot_read.cold (user.c:?) [ 47.953450][ T1068] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.953453][ T1068] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.953455][ T1068] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.953458][ T1068] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 47.953461][ T1068] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 47.953464][ T1068] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 47.953466][ T1068] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 47.953469][ T1068] ? netdev_notice (net/core/dev.c:13194) [ 47.953471][ T1068] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.953474][ T1068] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.953477][ T1068] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 47.953480][ T1068] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 47.953482][ T1068] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 47.953484][ T1068] ? register_netdev (net/core/dev.c:11618) [ 47.953486][ T1068] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 47.953491][ T1068] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 47.953493][ T1068] ? __kernel_text_address (kernel/extable.c:79) [ 47.953496][ T1068] ? write_profile (profile.c:?) [ 47.953499][ T1068] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 47.953505][ T1068] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 47.953508][ T1068] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 47.953510][ T1068] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 47.953511][ T1068] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 47.953513][ T1068] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 47.953516][ T1068] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 47.953518][ T1068] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 47.953520][ T1068] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 47.953522][ T1068] ? kasan_save_stack (mm/kasan/common.c:58) [ 47.953524][ T1068] ? kasan_save_stack (mm/kasan/common.c:57) [ 47.953525][ T1068] ? kasan_save_track (mm/kasan/common.c:78) [ 47.953526][ T1068] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 47.953528][ T1068] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.953530][ T1068] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 47.953533][ T1068] ? ___sys_sendmsg (net/socket.c:2758) [ 47.953537][ T1068] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.953539][ T1068] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 47.953542][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.953543][ T1068] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 47.953545][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.953546][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.953548][ T1068] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 47.953550][ T1068] ? __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) [ 47.953551][ T1068] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 47.953553][ T1068] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 47.953556][ T1068] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 47.953557][ T1068] ? nla_get_range_signed (lib/nlattr.c:270) [ 47.953562][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.953564][ T1068] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 47.953569][ T1068] rtnl_newlink (net/core/rtnetlink.c:4215) [ 47.953574][ T1068] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 47.953576][ T1068] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.953580][ T1068] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.953582][ T1068] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.953584][ T1068] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 47.953586][ T1068] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.953589][ T1068] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 47.953591][ T1068] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 47.953594][ T1068] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 47.953596][ T1068] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 47.953600][ T1068] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 47.953602][ T1068] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.953605][ T1068] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 47.953608][ T1068] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 47.953611][ T1068] ? netlink_ack (./include/linux/skbuff.h:2718) [ 47.953621][ T1068] ? 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)) [ 47.953622][ T1068] ? 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)) [ 47.953627][ T1068] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 47.953631][ T1068] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 47.953633][ T1068] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 47.953637][ T1068] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 47.953641][ T1068] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 47.953645][ T1068] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 47.953647][ T1068] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 47.953652][ T1068] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 47.953654][ T1068] ____sys_sendmsg (net/socket.c:2713) [ 47.953656][ T1068] ? copy_msghdr_from_user (net/socket.c:2650) [ 47.953659][ T1068] ? sock_write_iter (net/socket.c:1269) [ 47.953660][ T1068] ? move_addr_to_kernel (net/socket.c:258) [ 47.953667][ T1068] ___sys_sendmsg (net/socket.c:2767) [ 47.953670][ T1068] ? copy_msghdr_from_user (net/socket.c:2619) [ 47.953685][ T1068] __sys_sendmsg (net/socket.c:2799) [ 47.953688][ T1068] ? __sys_sendmsg_sock (net/socket.c:2780) [ 47.953694][ T1068] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 47.953697][ T1068] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 47.953700][ T1068] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 47.953703][ T1068] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 47.953705][ T1068] RIP: 0033:0x7f84c50a454e [ 47.953708][ T1068] 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 [ 47.953710][ T1068] RSP: 002b:00007fff1b2175b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 47.953713][ T1068] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f84c50a454e [ 47.953714][ T1068] RDX: 0000000000000000 RSI: 00007fff1b217660 RDI: 0000000000000005 [ 47.953715][ T1068] RBP: 00007fff1b2175c0 R08: 0000000000000000 R09: 0000000000000000 [ 47.953715][ T1068] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916ccf [ 47.953716][ T1068] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff1b217d30 | [ 49.137173][ T48] softirqs last disabled at (306770): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 49.137175][ T48] Preemption disabled at: | [ 49.137176][ T48] 0x0 | [ 49.137186][ T48] Tainted: [W]=WARN [ 49.137187][ T48] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.137188][ T48] Workqueue: events_unbound linkwatch_event [ 49.137191][ T48] Call Trace: [ 49.137193][ T48] [ 49.137195][ T48] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.137201][ T48] __might_resched.cold (kernel/sched/core.c:9234) [ 49.137205][ T48] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.137209][ T48] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 49.137214][ T48] __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)) [ 49.137216][ T48] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.137222][ T48] ? 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) [ 49.137225][ T48] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.137229][ T48] put_chars (drivers/char/virtio_console.c:1176) [ 49.137231][ T48] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.137234][ T48] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.137237][ T48] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.137240][ T48] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 49.137244][ T48] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.137247][ T48] ? mark_usage (kernel/locking/lockdep.c:4690) [ 49.137249][ T48] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.137251][ T48] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.137255][ T48] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.137257][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.137261][ T48] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.137265][ T48] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.137269][ T48] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.137271][ T48] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 49.137274][ T48] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.137276][ T48] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.137280][ T48] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.137285][ T48] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.137287][ T48] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.137292][ T48] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.137295][ T48] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.137297][ T48] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.137298][ T48] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 49.137302][ T48] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.137304][ T48] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.137307][ T48] vprintk_emit (kernel/printk/printk.c:2479) [ 49.137310][ T48] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.137312][ T48] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 49.137314][ T48] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 49.137317][ T48] _printk (kernel/printk/printk.c:2504) [ 49.137321][ T48] ? snapshot_read.cold (user.c:?) [ 49.137326][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.137330][ T48] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 49.137334][ T48] br_init_port (net/bridge/br_stp_if.c:39) [ 49.137337][ T48] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 49.137338][ T48] br_port_carrier_check (net/bridge/br_if.c:90) [ 49.137342][ T48] br_device_event (net/bridge/br.c:101) [ 49.137346][ T48] ? packet_sendmsg_spkt (af_packet.c:?) [ 49.137347][ T48] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 49.137354][ T48] notifier_call_chain (kernel/notifier.c:85) [ 49.137360][ T48] netif_state_change (net/core/dev.c:1625) [ 49.137365][ T48] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 49.137369][ T48] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 49.137371][ T48] __linkwatch_run_queue (net/core/link_watch.c:240) [ 49.137374][ T48] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 49.137377][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.137382][ T48] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 49.137384][ T48] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 49.137387][ T48] process_one_work (kernel/workqueue.c:3387) [ 49.137394][ T48] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 49.137396][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.137404][ T48] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.137408][ T48] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.137410][ T48] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 49.137413][ T48] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.137416][ T48] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.137418][ T48] kthread (kernel/kthread.c:436) [ 49.137420][ T48] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.137423][ T48] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.137426][ T48] ret_from_fork (arch/x86/kernel/process.c:158) [ 49.137430][ T48] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 49.137434][ T48] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 49.137437][ T48] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.137440][ T48] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 51.926766][ T12] softirqs last disabled at (804544): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 51.926769][ T12] Preemption disabled at: | [ 51.926769][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 51.926778][ T12] Tainted: [W]=WARN [ 51.926778][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 51.926780][ T12] Workqueue: netns cleanup_net [ 51.926783][ T12] Call Trace: [ 51.926785][ T12] [ 51.926786][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 51.926792][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 51.926794][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 51.926798][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 51.926802][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 51.926806][ T12] __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)) [ 51.926808][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.926815][ T12] ? 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) [ 51.926818][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.926821][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 51.926824][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 51.926825][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.926829][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 51.926832][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 51.926837][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 51.926841][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.926846][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 51.926849][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.926854][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 51.926858][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 51.926860][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 51.926863][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.926865][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.926869][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 51.926873][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 51.926875][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.926881][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 51.926884][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 51.926886][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.926887][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 51.926891][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 51.926893][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 51.926896][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 51.926899][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 51.926900][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 51.926902][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 51.926904][ T12] ? kthread (kernel/kthread.c:436) [ 51.926906][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 51.926909][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 51.926914][ T12] _printk (kernel/printk/printk.c:2504) [ 51.926918][ T12] ? snapshot_read.cold (user.c:?) [ 51.926922][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 51.926926][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 51.926930][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 51.926933][ T12] ? netdev_notice (net/core/dev.c:13194) [ 51.926937][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.926939][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 51.926941][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 51.926943][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 51.926946][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 51.926950][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 51.926954][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 51.926957][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 51.926959][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 51.926964][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 51.926967][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 51.926971][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 51.926974][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 51.926978][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 51.926980][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 51.926983][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 51.926988][ T12] cleanup_net (net/core/net_namespace.c:706) [ 51.926991][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 51.926995][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.926997][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.927000][ T12] process_one_work (kernel/workqueue.c:3387) [ 51.927007][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 51.927010][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.927018][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 51.927025][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 51.927027][ T12] kthread (kernel/kthread.c:436) [ 51.927029][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 51.927032][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 51.927035][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 51.927038][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 51.927042][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 51.927045][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 51.927048][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 53.479246][ T1199] softirqs last disabled at (22102): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 53.479249][ T1199] Preemption disabled at: | [ 53.479250][ T1199] vprintk_emit (kernel/printk/printk.c:2471) | [ 53.479258][ T1199] Tainted: [W]=WARN [ 53.479259][ T1199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.479260][ T1199] Call Trace: [ 53.479262][ T1199] [ 53.479263][ T1199] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 53.479269][ T1199] ? vprintk_emit (kernel/printk/printk.c:2471) [ 53.479271][ T1199] __might_resched.cold (kernel/sched/core.c:9234) [ 53.479275][ T1199] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 53.479279][ T1199] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 53.479284][ T1199] __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)) [ 53.479285][ T1199] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.479292][ T1199] ? 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) [ 53.479294][ T1199] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 53.479298][ T1199] put_chars (drivers/char/virtio_console.c:1176) [ 53.479300][ T1199] ? __send_to_port (drivers/char/virtio_console.c:654) [ 53.479306][ T1199] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 53.479314][ T1199] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 53.479317][ T1199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.479321][ T1199] console_emit_next_record (kernel/printk/printk.c:3183) [ 53.479325][ T1199] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 53.479327][ T1199] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 53.479330][ T1199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.479332][ T1199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.479336][ T1199] console_flush_one_record (kernel/printk/printk.c:3268) [ 53.479340][ T1199] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 53.479342][ T1199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.479347][ T1199] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 53.479350][ T1199] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 53.479352][ T1199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.479353][ T1199] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 53.479357][ T1199] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 53.479359][ T1199] ? vprintk_emit (kernel/printk/printk.c:2478) [ 53.479361][ T1199] vprintk_emit (kernel/printk/printk.c:2479) [ 53.479364][ T1199] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 53.479367][ T1199] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 53.479372][ T1199] _printk (kernel/printk/printk.c:2504) [ 53.479375][ T1199] ? snapshot_read.cold (user.c:?) [ 53.479377][ T1199] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 53.479379][ T1199] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.479382][ T1199] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 53.479384][ T1199] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 53.479387][ T1199] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 53.479390][ T1199] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 53.479392][ T1199] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 53.479395][ T1199] ? netdev_notice (net/core/dev.c:13194) [ 53.479398][ T1199] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.479401][ T1199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.479403][ T1199] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 53.479406][ T1199] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 53.479408][ T1199] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 53.479410][ T1199] ? register_netdev (net/core/dev.c:11618) [ 53.479412][ T1199] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 53.479417][ T1199] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 53.479419][ T1199] ? __kernel_text_address (kernel/extable.c:79) [ 53.479422][ T1199] ? write_profile (profile.c:?) [ 53.479426][ T1199] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 53.479431][ T1199] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 53.479434][ T1199] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 53.479437][ T1199] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 53.479438][ T1199] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 53.479440][ T1199] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 53.479443][ T1199] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 53.479445][ T1199] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 53.479446][ T1199] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 53.479449][ T1199] ? kasan_save_stack (mm/kasan/common.c:58) [ 53.479451][ T1199] ? kasan_save_stack (mm/kasan/common.c:57) [ 53.479452][ T1199] ? kasan_save_track (mm/kasan/common.c:78) [ 53.479453][ T1199] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 53.479455][ T1199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.479457][ T1199] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 53.479460][ T1199] ? ___sys_sendmsg (net/socket.c:2758) [ 53.479464][ T1199] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.479466][ T1199] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 53.479469][ T1199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.479470][ T1199] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 53.479472][ T1199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.479473][ T1199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.479475][ T1199] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 53.479477][ T1199] ? __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) [ 53.479478][ T1199] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 53.479480][ T1199] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 53.479483][ T1199] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 53.479484][ T1199] ? nla_get_range_signed (lib/nlattr.c:270) [ 53.479489][ T1199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.479491][ T1199] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 53.479496][ T1199] rtnl_newlink (net/core/rtnetlink.c:4215) [ 53.479501][ T1199] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 53.479503][ T1199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.479507][ T1199] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.479509][ T1199] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.479511][ T1199] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 53.479513][ T1199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.479516][ T1199] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 53.479518][ T1199] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 53.479521][ T1199] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 53.479523][ T1199] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 53.479527][ T1199] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 53.479529][ T1199] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.479532][ T1199] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 53.479535][ T1199] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 53.479538][ T1199] ? netlink_ack (./include/linux/skbuff.h:2718) [ 53.479544][ T1199] ? 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)) [ 53.479546][ T1199] ? 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)) [ 53.479551][ T1199] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 53.479555][ T1199] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 53.479557][ T1199] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 53.479561][ T1199] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 53.479565][ T1199] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 53.479569][ T1199] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 53.479570][ T1199] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 53.479575][ T1199] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 53.479578][ T1199] ____sys_sendmsg (net/socket.c:2713) [ 53.479580][ T1199] ? copy_msghdr_from_user (net/socket.c:2650) [ 53.479582][ T1199] ? sock_write_iter (net/socket.c:1269) [ 53.479584][ T1199] ? move_addr_to_kernel (net/socket.c:258) [ 53.479591][ T1199] ___sys_sendmsg (net/socket.c:2767) [ 53.479593][ T1199] ? copy_msghdr_from_user (net/socket.c:2619) [ 53.479609][ T1199] __sys_sendmsg (net/socket.c:2799) [ 53.479611][ T1199] ? __sys_sendmsg_sock (net/socket.c:2780) [ 53.479620][ T1199] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 53.479623][ T1199] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 53.479626][ T1199] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 53.479629][ T1199] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 53.479631][ T1199] RIP: 0033:0x7fd74974554e [ 53.479635][ T1199] 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 [ 53.479637][ T1199] RSP: 002b:00007ffe2a32e800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 53.479639][ T1199] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fd74974554e [ 53.479641][ T1199] RDX: 0000000000000000 RSI: 00007ffe2a32e8b0 RDI: 0000000000000005 [ 53.479642][ T1199] RBP: 00007ffe2a32e810 R08: 0000000000000000 R09: 0000000000000000 [ 53.479642][ T1199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916cd4 [ 53.479643][ T1199] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2a32ef80 | [ 57.658328][ T1319] softirqs last disabled at (16964): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 57.658331][ T1319] Preemption disabled at: | [ 57.658331][ T1319] vprintk_emit (kernel/printk/printk.c:2471) | [ 57.658339][ T1319] Tainted: [W]=WARN [ 57.658340][ T1319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 57.658342][ T1319] Call Trace: [ 57.658343][ T1319] [ 57.658345][ T1319] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 57.658350][ T1319] ? vprintk_emit (kernel/printk/printk.c:2471) [ 57.658352][ T1319] __might_resched.cold (kernel/sched/core.c:9234) [ 57.658356][ T1319] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 57.658360][ T1319] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 57.658365][ T1319] __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)) [ 57.658366][ T1319] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.658373][ T1319] ? 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) [ 57.658375][ T1319] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 57.658379][ T1319] put_chars (drivers/char/virtio_console.c:1176) [ 57.658381][ T1319] ? __send_to_port (drivers/char/virtio_console.c:654) [ 57.658387][ T1319] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 57.658395][ T1319] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 57.658398][ T1319] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.658402][ T1319] console_emit_next_record (kernel/printk/printk.c:3183) [ 57.658406][ T1319] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 57.658408][ T1319] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 57.658411][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.658414][ T1319] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.658418][ T1319] console_flush_one_record (kernel/printk/printk.c:3268) [ 57.658421][ T1319] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 57.658423][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.658428][ T1319] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 57.658431][ T1319] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 57.658433][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.658435][ T1319] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 57.658438][ T1319] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 57.658440][ T1319] ? vprintk_emit (kernel/printk/printk.c:2478) [ 57.658443][ T1319] vprintk_emit (kernel/printk/printk.c:2479) [ 57.658446][ T1319] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 57.658448][ T1319] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 57.658453][ T1319] _printk (kernel/printk/printk.c:2504) [ 57.658457][ T1319] ? snapshot_read.cold (user.c:?) [ 57.658459][ T1319] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 57.658461][ T1319] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 57.658464][ T1319] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 57.658466][ T1319] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 57.658470][ T1319] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 57.658472][ T1319] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 57.658475][ T1319] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 57.658477][ T1319] ? netdev_notice (net/core/dev.c:13194) [ 57.658480][ T1319] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 57.658483][ T1319] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 57.658486][ T1319] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 57.658489][ T1319] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 57.658491][ T1319] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 57.658493][ T1319] ? register_netdev (net/core/dev.c:11618) [ 57.658495][ T1319] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 57.658500][ T1319] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 57.658502][ T1319] ? __kernel_text_address (kernel/extable.c:79) [ 57.658505][ T1319] ? write_profile (profile.c:?) [ 57.658509][ T1319] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 57.658514][ T1319] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 57.658518][ T1319] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 57.658520][ T1319] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 57.658521][ T1319] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 57.658523][ T1319] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 57.658526][ T1319] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 57.658528][ T1319] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 57.658529][ T1319] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 57.658532][ T1319] ? kasan_save_stack (mm/kasan/common.c:58) [ 57.658533][ T1319] ? kasan_save_stack (mm/kasan/common.c:57) [ 57.658535][ T1319] ? kasan_save_track (mm/kasan/common.c:78) [ 57.658536][ T1319] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 57.658538][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.658540][ T1319] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 57.658543][ T1319] ? ___sys_sendmsg (net/socket.c:2758) [ 57.658547][ T1319] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 57.658549][ T1319] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 57.658551][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.658553][ T1319] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 57.658555][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.658556][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.658557][ T1319] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 57.658560][ T1319] ? __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) [ 57.658561][ T1319] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 57.658563][ T1319] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 57.658566][ T1319] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 57.658567][ T1319] ? nla_get_range_signed (lib/nlattr.c:270) [ 57.658571][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.658574][ T1319] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 57.658579][ T1319] rtnl_newlink (net/core/rtnetlink.c:4215) [ 57.658584][ T1319] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 57.658585][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.658590][ T1319] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 57.658592][ T1319] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 57.658594][ T1319] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 57.658595][ T1319] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 57.658599][ T1319] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 57.658601][ T1319] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 57.658604][ T1319] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 57.658605][ T1319] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 57.658610][ T1319] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 57.658611][ T1319] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 57.658617][ T1319] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 57.658621][ T1319] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 57.658624][ T1319] ? netlink_ack (./include/linux/skbuff.h:2718) [ 57.658630][ T1319] ? 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)) [ 57.658632][ T1319] ? 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)) [ 57.658637][ T1319] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 57.658641][ T1319] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 57.658643][ T1319] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 57.658647][ T1319] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 57.658651][ T1319] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 57.658655][ T1319] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 57.658656][ T1319] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 57.658661][ T1319] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 57.658664][ T1319] ____sys_sendmsg (net/socket.c:2713) [ 57.658666][ T1319] ? copy_msghdr_from_user (net/socket.c:2650) [ 57.658668][ T1319] ? sock_write_iter (net/socket.c:1269) [ 57.658670][ T1319] ? move_addr_to_kernel (net/socket.c:258) [ 57.658677][ T1319] ___sys_sendmsg (net/socket.c:2767) [ 57.658680][ T1319] ? copy_msghdr_from_user (net/socket.c:2619) [ 57.658695][ T1319] __sys_sendmsg (net/socket.c:2799) [ 57.658698][ T1319] ? __sys_sendmsg_sock (net/socket.c:2780) [ 57.658704][ T1319] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 57.658707][ T1319] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 57.658710][ T1319] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 57.658712][ T1319] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 57.658715][ T1319] RIP: 0033:0x7f03e02c754e [ 57.658718][ T1319] 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 [ 57.658720][ T1319] RSP: 002b:00007ffd248724d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 57.658723][ T1319] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f03e02c754e [ 57.658724][ T1319] RDX: 0000000000000000 RSI: 00007ffd24872580 RDI: 0000000000000005 [ 57.658725][ T1319] RBP: 00007ffd248724e0 R08: 0000000000000000 R09: 0000000000000000 [ 57.658726][ T1319] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916cd8 [ 57.658726][ T1319] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd24872c50 | [ 62.726090][ T1438] softirqs last disabled at (24678): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 62.726093][ T1438] Preemption disabled at: | [ 62.726093][ T1438] vprintk_emit (kernel/printk/printk.c:2471) | [ 62.726101][ T1438] Tainted: [W]=WARN [ 62.726102][ T1438] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 62.726104][ T1438] Call Trace: [ 62.726105][ T1438] [ 62.726107][ T1438] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 62.726112][ T1438] ? vprintk_emit (kernel/printk/printk.c:2471) [ 62.726114][ T1438] __might_resched.cold (kernel/sched/core.c:9234) [ 62.726118][ T1438] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 62.726122][ T1438] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 62.726127][ T1438] __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)) [ 62.726128][ T1438] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.726135][ T1438] ? 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) [ 62.726137][ T1438] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 62.726145][ T1438] put_chars (drivers/char/virtio_console.c:1176) [ 62.726147][ T1438] ? __send_to_port (drivers/char/virtio_console.c:654) [ 62.726153][ T1438] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 62.726161][ T1438] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 62.726164][ T1438] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.726168][ T1438] console_emit_next_record (kernel/printk/printk.c:3183) [ 62.726172][ T1438] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 62.726174][ T1438] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 62.726177][ T1438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.726180][ T1438] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.726184][ T1438] console_flush_one_record (kernel/printk/printk.c:3268) [ 62.726188][ T1438] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 62.726189][ T1438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.726195][ T1438] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 62.726197][ T1438] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 62.726199][ T1438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.726201][ T1438] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 62.726204][ T1438] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 62.726206][ T1438] ? vprintk_emit (kernel/printk/printk.c:2478) [ 62.726209][ T1438] vprintk_emit (kernel/printk/printk.c:2479) [ 62.726212][ T1438] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 62.726214][ T1438] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 62.726219][ T1438] _printk (kernel/printk/printk.c:2504) [ 62.726223][ T1438] ? snapshot_read.cold (user.c:?) [ 62.726224][ T1438] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 62.726227][ T1438] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 62.726229][ T1438] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 62.726232][ T1438] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 62.726235][ T1438] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 62.726238][ T1438] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 62.726240][ T1438] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 62.726243][ T1438] ? netdev_notice (net/core/dev.c:13194) [ 62.726246][ T1438] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.726249][ T1438] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.726251][ T1438] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 62.726254][ T1438] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 62.726257][ T1438] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 62.726259][ T1438] ? register_netdev (net/core/dev.c:11618) [ 62.726260][ T1438] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 62.726265][ T1438] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 62.726268][ T1438] ? __kernel_text_address (kernel/extable.c:79) [ 62.726270][ T1438] ? write_profile (profile.c:?) [ 62.726274][ T1438] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 62.726280][ T1438] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 62.726283][ T1438] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 62.726285][ T1438] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 62.726286][ T1438] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 62.726288][ T1438] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 62.726291][ T1438] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 62.726293][ T1438] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 62.726295][ T1438] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 62.726297][ T1438] ? kasan_save_stack (mm/kasan/common.c:58) [ 62.726299][ T1438] ? kasan_save_stack (mm/kasan/common.c:57) [ 62.726300][ T1438] ? kasan_save_track (mm/kasan/common.c:78) [ 62.726302][ T1438] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 62.726304][ T1438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.726306][ T1438] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 62.726309][ T1438] ? ___sys_sendmsg (net/socket.c:2758) [ 62.726312][ T1438] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 62.726314][ T1438] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 62.726317][ T1438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.726318][ T1438] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 62.726320][ T1438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.726321][ T1438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.726323][ T1438] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 62.726325][ T1438] ? __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) [ 62.726326][ T1438] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 62.726328][ T1438] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 62.726331][ T1438] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 62.726332][ T1438] ? nla_get_range_signed (lib/nlattr.c:270) [ 62.726337][ T1438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.726339][ T1438] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 62.726344][ T1438] rtnl_newlink (net/core/rtnetlink.c:4215) [ 62.726349][ T1438] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.726351][ T1438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.726356][ T1438] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 62.726357][ T1438] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.726359][ T1438] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.726361][ T1438] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.726365][ T1438] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 62.726367][ T1438] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 62.726370][ T1438] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.726371][ T1438] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 62.726375][ T1438] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 62.726377][ T1438] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.726380][ T1438] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 62.726384][ T1438] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 62.726386][ T1438] ? netlink_ack (./include/linux/skbuff.h:2718) [ 62.726393][ T1438] ? 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)) [ 62.726395][ T1438] ? 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)) [ 62.726399][ T1438] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 62.726403][ T1438] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 62.726405][ T1438] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 62.726409][ T1438] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 62.726413][ T1438] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 62.726417][ T1438] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 62.726418][ T1438] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 62.726424][ T1438] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 62.726426][ T1438] ____sys_sendmsg (net/socket.c:2713) [ 62.726429][ T1438] ? copy_msghdr_from_user (net/socket.c:2650) [ 62.726431][ T1438] ? sock_write_iter (net/socket.c:1269) [ 62.726432][ T1438] ? move_addr_to_kernel (net/socket.c:258) [ 62.726439][ T1438] ___sys_sendmsg (net/socket.c:2767) [ 62.726442][ T1438] ? copy_msghdr_from_user (net/socket.c:2619) [ 62.726458][ T1438] __sys_sendmsg (net/socket.c:2799) [ 62.726460][ T1438] ? __sys_sendmsg_sock (net/socket.c:2780) [ 62.726467][ T1438] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 62.726469][ T1438] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 62.726472][ T1438] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 62.726475][ T1438] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 62.726477][ T1438] RIP: 0033:0x7f492807454e [ 62.726481][ T1438] 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 [ 62.726482][ T1438] RSP: 002b:00007ffe1c6b3a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 62.726485][ T1438] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f492807454e [ 62.726486][ T1438] RDX: 0000000000000000 RSI: 00007ffe1c6b3af0 RDI: 0000000000000005 [ 62.726487][ T1438] RBP: 00007ffe1c6b3a50 R08: 0000000000000000 R09: 0000000000000000 [ 62.726488][ T1438] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916cde [ 62.726489][ T1438] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe1c6b41c0 | [ 66.890169][ T1555] softirqs last disabled at (29726): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 66.890172][ T1555] Preemption disabled at: | [ 66.890173][ T1555] vprintk_emit (kernel/printk/printk.c:2471) | [ 66.890181][ T1555] Tainted: [W]=WARN [ 66.890182][ T1555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.890183][ T1555] Call Trace: [ 66.890185][ T1555] [ 66.890186][ T1555] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 66.890192][ T1555] ? vprintk_emit (kernel/printk/printk.c:2471) [ 66.890194][ T1555] __might_resched.cold (kernel/sched/core.c:9234) [ 66.890198][ T1555] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 66.890202][ T1555] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 66.890206][ T1555] __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)) [ 66.890208][ T1555] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.890215][ T1555] ? 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) [ 66.890217][ T1555] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.890221][ T1555] put_chars (drivers/char/virtio_console.c:1176) [ 66.890223][ T1555] ? __send_to_port (drivers/char/virtio_console.c:654) [ 66.890229][ T1555] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 66.890237][ T1555] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 66.890240][ T1555] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.890244][ T1555] console_emit_next_record (kernel/printk/printk.c:3183) [ 66.890248][ T1555] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 66.890250][ T1555] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 66.890253][ T1555] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.890256][ T1555] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.890260][ T1555] console_flush_one_record (kernel/printk/printk.c:3268) [ 66.890264][ T1555] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 66.890266][ T1555] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.890271][ T1555] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 66.890274][ T1555] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 66.890275][ T1555] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.890277][ T1555] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 66.890281][ T1555] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 66.890282][ T1555] ? vprintk_emit (kernel/printk/printk.c:2478) [ 66.890285][ T1555] vprintk_emit (kernel/printk/printk.c:2479) [ 66.890288][ T1555] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 66.890291][ T1555] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 66.890296][ T1555] _printk (kernel/printk/printk.c:2504) [ 66.890299][ T1555] ? snapshot_read.cold (user.c:?) [ 66.890301][ T1555] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 66.890303][ T1555] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 66.890306][ T1555] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 66.890308][ T1555] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 66.890312][ T1555] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 66.890315][ T1555] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 66.890317][ T1555] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 66.890320][ T1555] ? netdev_notice (net/core/dev.c:13194) [ 66.890322][ T1555] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.890325][ T1555] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.890328][ T1555] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 66.890331][ T1555] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 66.890333][ T1555] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 66.890335][ T1555] ? register_netdev (net/core/dev.c:11618) [ 66.890336][ T1555] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 66.890341][ T1555] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 66.890344][ T1555] ? __kernel_text_address (kernel/extable.c:79) [ 66.890346][ T1555] ? write_profile (profile.c:?) [ 66.890350][ T1555] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 66.890356][ T1555] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 66.890359][ T1555] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 66.890361][ T1555] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 66.890362][ T1555] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 66.890364][ T1555] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 66.890367][ T1555] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 66.890369][ T1555] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 66.890371][ T1555] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 66.890373][ T1555] ? kasan_save_stack (mm/kasan/common.c:58) [ 66.890375][ T1555] ? kasan_save_stack (mm/kasan/common.c:57) [ 66.890376][ T1555] ? kasan_save_track (mm/kasan/common.c:78) [ 66.890377][ T1555] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 66.890380][ T1555] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.890382][ T1555] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 66.890385][ T1555] ? ___sys_sendmsg (net/socket.c:2758) [ 66.890388][ T1555] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.890390][ T1555] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 66.890393][ T1555] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.890394][ T1555] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.890396][ T1555] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.890397][ T1555] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.890399][ T1555] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 66.890401][ T1555] ? __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) [ 66.890402][ T1555] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 66.890404][ T1555] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 66.890407][ T1555] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 66.890408][ T1555] ? nla_get_range_signed (lib/nlattr.c:270) [ 66.890413][ T1555] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.890415][ T1555] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 66.890420][ T1555] rtnl_newlink (net/core/rtnetlink.c:4215) [ 66.890425][ T1555] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.890427][ T1555] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.890432][ T1555] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.890434][ T1555] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.890435][ T1555] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.890437][ T1555] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.890441][ T1555] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.890443][ T1555] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 66.890446][ T1555] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 66.890447][ T1555] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.890451][ T1555] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.890453][ T1555] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.890457][ T1555] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 66.890460][ T1555] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 66.890462][ T1555] ? netlink_ack (./include/linux/skbuff.h:2718) [ 66.890469][ T1555] ? 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)) [ 66.890471][ T1555] ? 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)) [ 66.890475][ T1555] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 66.890479][ T1555] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 66.890481][ T1555] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.890485][ T1555] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 66.890489][ T1555] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 66.890493][ T1555] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.890495][ T1555] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 66.890500][ T1555] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 66.890502][ T1555] ____sys_sendmsg (net/socket.c:2713) [ 66.890505][ T1555] ? copy_msghdr_from_user (net/socket.c:2650) [ 66.890507][ T1555] ? sock_write_iter (net/socket.c:1269) [ 66.890508][ T1555] ? move_addr_to_kernel (net/socket.c:258) [ 66.890515][ T1555] ___sys_sendmsg (net/socket.c:2767) [ 66.890518][ T1555] ? copy_msghdr_from_user (net/socket.c:2619) [ 66.890533][ T1555] __sys_sendmsg (net/socket.c:2799) [ 66.890536][ T1555] ? __sys_sendmsg_sock (net/socket.c:2780) [ 66.890542][ T1555] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.890545][ T1555] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 66.890548][ T1555] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 66.890551][ T1555] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 66.890553][ T1555] RIP: 0033:0x7f56220d654e [ 66.890557][ T1555] 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 [ 66.890559][ T1555] RSP: 002b:00007ffc564e73d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 66.890561][ T1555] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f56220d654e [ 66.890563][ T1555] RDX: 0000000000000000 RSI: 00007ffc564e7480 RDI: 0000000000000005 [ 66.890563][ T1555] RBP: 00007ffc564e73e0 R08: 0000000000000000 R09: 0000000000000000 [ 66.890564][ T1555] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916ce2 [ 66.890565][ T1555] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc564e7b50 | [ 72.931189][ T1676] softirqs last disabled at (19612): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 72.931191][ T1676] Preemption disabled at: | [ 72.931192][ T1676] vprintk_emit (kernel/printk/printk.c:2471) | [ 72.931200][ T1676] Tainted: [W]=WARN [ 72.931201][ T1676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 72.931203][ T1676] Call Trace: [ 72.931204][ T1676] [ 72.931206][ T1676] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 72.931211][ T1676] ? vprintk_emit (kernel/printk/printk.c:2471) [ 72.931213][ T1676] __might_resched.cold (kernel/sched/core.c:9234) [ 72.931218][ T1676] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 72.931221][ T1676] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 72.931226][ T1676] __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)) [ 72.931228][ T1676] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.931234][ T1676] ? 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) [ 72.931237][ T1676] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 72.931240][ T1676] put_chars (drivers/char/virtio_console.c:1176) [ 72.931243][ T1676] ? __send_to_port (drivers/char/virtio_console.c:654) [ 72.931249][ T1676] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 72.931256][ T1676] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 72.931259][ T1676] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.931263][ T1676] console_emit_next_record (kernel/printk/printk.c:3183) [ 72.931267][ T1676] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 72.931269][ T1676] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 72.931272][ T1676] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.931275][ T1676] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.931279][ T1676] console_flush_one_record (kernel/printk/printk.c:3268) [ 72.931283][ T1676] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 72.931285][ T1676] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 72.931290][ T1676] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 72.931292][ T1676] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 72.931294][ T1676] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.931296][ T1676] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 72.931300][ T1676] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 72.931301][ T1676] ? vprintk_emit (kernel/printk/printk.c:2478) [ 72.931304][ T1676] vprintk_emit (kernel/printk/printk.c:2479) [ 72.931307][ T1676] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 72.931310][ T1676] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 72.931314][ T1676] _printk (kernel/printk/printk.c:2504) [ 72.931318][ T1676] ? snapshot_read.cold (user.c:?) [ 72.931320][ T1676] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 72.931322][ T1676] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 72.931325][ T1676] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 72.931327][ T1676] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 72.931331][ T1676] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 72.931333][ T1676] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 72.931335][ T1676] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 72.931338][ T1676] ? netdev_notice (net/core/dev.c:13194) [ 72.931341][ T1676] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 72.931344][ T1676] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 72.931346][ T1676] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 72.931350][ T1676] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 72.931352][ T1676] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 72.931354][ T1676] ? register_netdev (net/core/dev.c:11618) [ 72.931355][ T1676] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 72.931360][ T1676] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 72.931362][ T1676] ? __kernel_text_address (kernel/extable.c:79) [ 72.931365][ T1676] ? write_profile (profile.c:?) [ 72.931369][ T1676] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 72.931374][ T1676] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 72.931378][ T1676] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 72.931380][ T1676] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 72.931381][ T1676] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 72.931383][ T1676] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 72.931386][ T1676] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 72.931388][ T1676] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 72.931390][ T1676] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 72.931392][ T1676] ? kasan_save_stack (mm/kasan/common.c:58) [ 72.931394][ T1676] ? kasan_save_stack (mm/kasan/common.c:57) [ 72.931395][ T1676] ? kasan_save_track (mm/kasan/common.c:78) [ 72.931396][ T1676] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 72.931399][ T1676] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 72.931400][ T1676] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 72.931404][ T1676] ? ___sys_sendmsg (net/socket.c:2758) [ 72.931407][ T1676] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 72.931409][ T1676] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 72.931412][ T1676] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.931413][ T1676] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 72.931415][ T1676] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.931416][ T1676] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.931418][ T1676] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 72.931420][ T1676] ? __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) [ 72.931421][ T1676] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 72.931423][ T1676] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 72.931427][ T1676] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 72.931428][ T1676] ? nla_get_range_signed (lib/nlattr.c:270) [ 72.931432][ T1676] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.931435][ T1676] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 72.931440][ T1676] rtnl_newlink (net/core/rtnetlink.c:4215) [ 72.931445][ T1676] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 72.931447][ T1676] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 72.931451][ T1676] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 72.931453][ T1676] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 72.931455][ T1676] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 72.931457][ T1676] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 72.931460][ T1676] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 72.931462][ T1676] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 72.931465][ T1676] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 72.931466][ T1676] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 72.931471][ T1676] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 72.931473][ T1676] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 72.931476][ T1676] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 72.931479][ T1676] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 72.931482][ T1676] ? netlink_ack (./include/linux/skbuff.h:2718) [ 72.931488][ T1676] ? 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)) [ 72.931490][ T1676] ? 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)) [ 72.931494][ T1676] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 72.931498][ T1676] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 72.931501][ T1676] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 72.931505][ T1676] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 72.931509][ T1676] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 72.931513][ T1676] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 72.931514][ T1676] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 72.931519][ T1676] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 72.931522][ T1676] ____sys_sendmsg (net/socket.c:2713) [ 72.931524][ T1676] ? copy_msghdr_from_user (net/socket.c:2650) [ 72.931527][ T1676] ? sock_write_iter (net/socket.c:1269) [ 72.931528][ T1676] ? move_addr_to_kernel (net/socket.c:258) [ 72.931535][ T1676] ___sys_sendmsg (net/socket.c:2767) [ 72.931538][ T1676] ? copy_msghdr_from_user (net/socket.c:2619) [ 72.931553][ T1676] __sys_sendmsg (net/socket.c:2799) [ 72.931556][ T1676] ? __sys_sendmsg_sock (net/socket.c:2780) [ 72.931562][ T1676] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 72.931565][ T1676] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 72.931568][ T1676] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 72.931571][ T1676] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 72.931573][ T1676] RIP: 0033:0x7faa259a354e [ 72.931577][ T1676] 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 [ 72.931578][ T1676] RSP: 002b:00007ffec828d290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 72.931581][ T1676] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007faa259a354e [ 72.931583][ T1676] RDX: 0000000000000000 RSI: 00007ffec828d340 RDI: 0000000000000005 [ 72.931583][ T1676] RBP: 00007ffec828d2a0 R08: 0000000000000000 R09: 0000000000000000 [ 72.931584][ T1676] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916ce8 [ 72.931585][ T1676] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffec828da10 | [ 78.398196][ T1811] softirqs last disabled at (24884): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 78.398202][ T1811] Preemption disabled at: | [ 78.398202][ T1811] vprintk_emit (kernel/printk/printk.c:2471) | [ 78.398210][ T1811] Tainted: [W]=WARN [ 78.398211][ T1811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 78.398213][ T1811] Call Trace: [ 78.398215][ T1811] [ 78.398216][ T1811] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 78.398222][ T1811] ? vprintk_emit (kernel/printk/printk.c:2471) [ 78.398223][ T1811] __might_resched.cold (kernel/sched/core.c:9234) [ 78.398228][ T1811] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 78.398232][ T1811] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 78.398236][ T1811] __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)) [ 78.398238][ T1811] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 78.398244][ T1811] ? 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) [ 78.398247][ T1811] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 78.398250][ T1811] put_chars (drivers/char/virtio_console.c:1176) [ 78.398253][ T1811] ? __send_to_port (drivers/char/virtio_console.c:654) [ 78.398259][ T1811] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 78.398266][ T1811] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 78.398269][ T1811] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.398274][ T1811] console_emit_next_record (kernel/printk/printk.c:3183) [ 78.398278][ T1811] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 78.398280][ T1811] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 78.398283][ T1811] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.398286][ T1811] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.398289][ T1811] console_flush_one_record (kernel/printk/printk.c:3268) [ 78.398293][ T1811] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 78.398295][ T1811] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 78.398300][ T1811] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 78.398303][ T1811] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 78.398305][ T1811] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.398307][ T1811] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 78.398310][ T1811] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 78.398312][ T1811] ? vprintk_emit (kernel/printk/printk.c:2478) [ 78.398314][ T1811] vprintk_emit (kernel/printk/printk.c:2479) [ 78.398317][ T1811] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 78.398320][ T1811] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 78.398325][ T1811] _printk (kernel/printk/printk.c:2504) [ 78.398328][ T1811] ? snapshot_read.cold (user.c:?) [ 78.398330][ T1811] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 78.398332][ T1811] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 78.398335][ T1811] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 78.398337][ T1811] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 78.398341][ T1811] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 78.398343][ T1811] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 78.398345][ T1811] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 78.398348][ T1811] ? netdev_notice (net/core/dev.c:13194) [ 78.398351][ T1811] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 78.398354][ T1811] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 78.398356][ T1811] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 78.398360][ T1811] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 78.398362][ T1811] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 78.398364][ T1811] ? register_netdev (net/core/dev.c:11618) [ 78.398365][ T1811] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 78.398370][ T1811] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 78.398372][ T1811] ? __kernel_text_address (kernel/extable.c:79) [ 78.398375][ T1811] ? write_profile (profile.c:?) [ 78.398379][ T1811] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 78.398384][ T1811] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 78.398388][ T1811] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 78.398390][ T1811] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 78.398391][ T1811] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 78.398393][ T1811] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 78.398396][ T1811] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 78.398398][ T1811] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 78.398399][ T1811] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 78.398402][ T1811] ? kasan_save_stack (mm/kasan/common.c:58) [ 78.398403][ T1811] ? kasan_save_stack (mm/kasan/common.c:57) [ 78.398405][ T1811] ? kasan_save_track (mm/kasan/common.c:78) [ 78.398406][ T1811] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 78.398408][ T1811] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 78.398410][ T1811] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 78.398413][ T1811] ? ___sys_sendmsg (net/socket.c:2758) [ 78.398417][ T1811] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 78.398419][ T1811] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 78.398421][ T1811] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.398423][ T1811] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 78.398424][ T1811] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.398425][ T1811] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.398427][ T1811] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 78.398429][ T1811] ? __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) [ 78.398431][ T1811] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 78.398432][ T1811] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 78.398436][ T1811] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 78.398437][ T1811] ? nla_get_range_signed (lib/nlattr.c:270) [ 78.398442][ T1811] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.398444][ T1811] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 78.398449][ T1811] rtnl_newlink (net/core/rtnetlink.c:4215) [ 78.398454][ T1811] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 78.398456][ T1811] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 78.398460][ T1811] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 78.398462][ T1811] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 78.398464][ T1811] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 78.398465][ T1811] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 78.398469][ T1811] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 78.398471][ T1811] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 78.398474][ T1811] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 78.398475][ T1811] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 78.398480][ T1811] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 78.398482][ T1811] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 78.398485][ T1811] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 78.398488][ T1811] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 78.398491][ T1811] ? netlink_ack (./include/linux/skbuff.h:2718) [ 78.398497][ T1811] ? 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)) [ 78.398499][ T1811] ? 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)) [ 78.398503][ T1811] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 78.398507][ T1811] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 78.398509][ T1811] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 78.398513][ T1811] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 78.398517][ T1811] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 78.398521][ T1811] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 78.398522][ T1811] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 78.398528][ T1811] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 78.398530][ T1811] ____sys_sendmsg (net/socket.c:2713) [ 78.398532][ T1811] ? copy_msghdr_from_user (net/socket.c:2650) [ 78.398535][ T1811] ? sock_write_iter (net/socket.c:1269) [ 78.398536][ T1811] ? move_addr_to_kernel (net/socket.c:258) [ 78.398543][ T1811] ___sys_sendmsg (net/socket.c:2767) [ 78.398546][ T1811] ? copy_msghdr_from_user (net/socket.c:2619) [ 78.398561][ T1811] __sys_sendmsg (net/socket.c:2799) [ 78.398564][ T1811] ? __sys_sendmsg_sock (net/socket.c:2780) [ 78.398570][ T1811] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 78.398573][ T1811] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 78.398576][ T1811] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 78.398579][ T1811] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 78.398581][ T1811] RIP: 0033:0x7f9febc6354e [ 78.398584][ T1811] 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 [ 78.398586][ T1811] RSP: 002b:00007ffc1a6fd760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 78.398588][ T1811] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9febc6354e [ 78.398590][ T1811] RDX: 0000000000000000 RSI: 00007ffc1a6fd810 RDI: 0000000000000005 [ 78.398591][ T1811] RBP: 00007ffc1a6fd770 R08: 0000000000000000 R09: 0000000000000000 [ 78.398591][ T1811] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916ced [ 78.398592][ T1811] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc1a6fdee0 | [ 79.602171][ T226] softirqs last disabled at (626692): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 79.602174][ T226] Preemption disabled at: | [ 79.602175][ T226] 0x0 | [ 79.602184][ T226] Tainted: [W]=WARN [ 79.602185][ T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 79.602187][ T226] Workqueue: events_unbound linkwatch_event [ 79.602190][ T226] Call Trace: [ 79.602191][ T226] [ 79.602193][ T226] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 79.602199][ T226] __might_resched.cold (kernel/sched/core.c:9234) [ 79.602210][ T226] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 79.602214][ T226] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 79.602218][ T226] __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)) [ 79.602220][ T226] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 79.602227][ T226] ? 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) [ 79.602230][ T226] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 79.602233][ T226] put_chars (drivers/char/virtio_console.c:1176) [ 79.602236][ T226] ? __send_to_port (drivers/char/virtio_console.c:654) [ 79.602238][ T226] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 79.602241][ T226] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 79.602244][ T226] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 79.602248][ T226] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 79.602252][ T226] ? mark_usage (kernel/locking/lockdep.c:4690) [ 79.602254][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.602255][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.602259][ T226] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 79.602261][ T226] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.602266][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 79.602270][ T226] console_emit_next_record (kernel/printk/printk.c:3183) [ 79.602274][ T226] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 79.602276][ T226] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 79.602279][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.602281][ T226] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 79.602285][ T226] console_flush_one_record (kernel/printk/printk.c:3268) [ 79.602289][ T226] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 79.602291][ T226] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 79.602296][ T226] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 79.602299][ T226] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 79.602301][ T226] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 79.602303][ T226] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 79.602306][ T226] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 79.602308][ T226] ? vprintk_emit (kernel/printk/printk.c:2478) [ 79.602311][ T226] vprintk_emit (kernel/printk/printk.c:2479) [ 79.602314][ T226] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 79.602316][ T226] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 79.602318][ T226] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 79.602322][ T226] _printk (kernel/printk/printk.c:2504) [ 79.602325][ T226] ? snapshot_read.cold (user.c:?) [ 79.602331][ T226] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.602334][ T226] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 79.602338][ T226] br_init_port (net/bridge/br_stp_if.c:39) [ 79.602341][ T226] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 79.602343][ T226] br_port_carrier_check (net/bridge/br_if.c:90) [ 79.602346][ T226] br_device_event (net/bridge/br.c:101) [ 79.602350][ T226] ? packet_sendmsg_spkt (af_packet.c:?) [ 79.602351][ T226] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 79.602358][ T226] notifier_call_chain (kernel/notifier.c:85) [ 79.602364][ T226] netif_state_change (net/core/dev.c:1625) [ 79.602368][ T226] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 79.602373][ T226] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 79.602375][ T226] __linkwatch_run_queue (net/core/link_watch.c:240) [ 79.602378][ T226] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 79.602381][ T226] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.602385][ T226] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 79.602387][ T226] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 79.602391][ T226] process_one_work (kernel/workqueue.c:3387) [ 79.602397][ T226] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 79.602400][ T226] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 79.602408][ T226] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 79.602412][ T226] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 79.602414][ T226] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 79.602417][ T226] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 79.602420][ T226] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 79.602421][ T226] kthread (kernel/kthread.c:436) [ 79.602423][ T226] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 79.602427][ T226] ? kthread_affine_preferred (kernel/kthread.c:857) [ 79.602429][ T226] ret_from_fork (arch/x86/kernel/process.c:158) [ 79.602433][ T226] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 79.602437][ T226] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 79.602440][ T226] ? kthread_affine_preferred (kernel/kthread.c:857) [ 79.602443][ T226] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 82.402324][ T12] softirqs last disabled at (1550800): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 82.402327][ T12] Preemption disabled at: | [ 82.402327][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 82.402336][ T12] Tainted: [W]=WARN [ 82.402337][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 82.402339][ T12] Workqueue: netns cleanup_net [ 82.402342][ T12] Call Trace: [ 82.402344][ T12] [ 82.402345][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 82.402351][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 82.402353][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 82.402357][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 82.402361][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 82.402366][ T12] __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)) [ 82.402368][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.402375][ T12] ? 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) [ 82.402377][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 82.402381][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 82.402384][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 82.402385][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 82.402388][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 82.402391][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 82.402396][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 82.402400][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 82.402405][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 82.402409][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.402413][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 82.402418][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 82.402419][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 82.402423][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.402425][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.402429][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 82.402433][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 82.402435][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 82.402440][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 82.402443][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 82.402445][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.402447][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 82.402451][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 82.402453][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 82.402456][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 82.402459][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 82.402460][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 82.402462][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 82.402464][ T12] ? kthread (kernel/kthread.c:436) [ 82.402466][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 82.402469][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 82.402473][ T12] _printk (kernel/printk/printk.c:2504) [ 82.402477][ T12] ? snapshot_read.cold (user.c:?) [ 82.402481][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 82.402485][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 82.402489][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 82.402492][ T12] ? netdev_notice (net/core/dev.c:13194) [ 82.402496][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.402498][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 82.402500][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 82.402502][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 82.402505][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 82.402509][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 82.402513][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 82.402516][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 82.402518][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 82.402523][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 82.402526][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 82.402530][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 82.402534][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 82.402537][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 82.402539][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 82.402542][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 82.402547][ T12] cleanup_net (net/core/net_namespace.c:706) [ 82.402550][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 82.402554][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 82.402556][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 82.402559][ T12] process_one_work (kernel/workqueue.c:3387) [ 82.402566][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 82.402569][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 82.402577][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 82.402584][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 82.402586][ T12] kthread (kernel/kthread.c:436) [ 82.402588][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 82.402591][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 82.402594][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 82.402597][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 82.402600][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 82.402604][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 82.402607][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 84.308172][ T1957] softirqs last disabled at (23112): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 84.308174][ T1957] Preemption disabled at: | [ 84.308175][ T1957] vprintk_emit (kernel/printk/printk.c:2471) | [ 84.308183][ T1957] Tainted: [W]=WARN [ 84.308184][ T1957] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 84.308186][ T1957] Call Trace: [ 84.308188][ T1957] [ 84.308189][ T1957] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 84.308195][ T1957] ? vprintk_emit (kernel/printk/printk.c:2471) [ 84.308196][ T1957] __might_resched.cold (kernel/sched/core.c:9234) [ 84.308201][ T1957] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 84.308205][ T1957] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 84.308209][ T1957] __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)) [ 84.308211][ T1957] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 84.308217][ T1957] ? 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) [ 84.308223][ T1957] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 84.308227][ T1957] put_chars (drivers/char/virtio_console.c:1176) [ 84.308230][ T1957] ? __send_to_port (drivers/char/virtio_console.c:654) [ 84.308236][ T1957] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 84.308243][ T1957] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 84.308246][ T1957] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.308251][ T1957] console_emit_next_record (kernel/printk/printk.c:3183) [ 84.308255][ T1957] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 84.308256][ T1957] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 84.308260][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.308262][ T1957] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.308266][ T1957] console_flush_one_record (kernel/printk/printk.c:3268) [ 84.308270][ T1957] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 84.308272][ T1957] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 84.308277][ T1957] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 84.308279][ T1957] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 84.308281][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.308283][ T1957] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 84.308287][ T1957] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 84.308288][ T1957] ? vprintk_emit (kernel/printk/printk.c:2478) [ 84.308291][ T1957] vprintk_emit (kernel/printk/printk.c:2479) [ 84.308294][ T1957] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 84.308296][ T1957] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 84.308301][ T1957] _printk (kernel/printk/printk.c:2504) [ 84.308305][ T1957] ? snapshot_read.cold (user.c:?) [ 84.308307][ T1957] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 84.308309][ T1957] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 84.308312][ T1957] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 84.308314][ T1957] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 84.308318][ T1957] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 84.308320][ T1957] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 84.308322][ T1957] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 84.308325][ T1957] ? netdev_notice (net/core/dev.c:13194) [ 84.308328][ T1957] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 84.308331][ T1957] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 84.308333][ T1957] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 84.308337][ T1957] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 84.308339][ T1957] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 84.308341][ T1957] ? register_netdev (net/core/dev.c:11618) [ 84.308342][ T1957] ? is_bpf_text_address (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) kernel/bpf/core.c:751 (discriminator 2)) [ 84.308347][ T1957] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 84.308350][ T1957] ? __kernel_text_address (kernel/extable.c:79) [ 84.308352][ T1957] ? write_profile (profile.c:?) [ 84.308356][ T1957] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 84.308361][ T1957] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 84.308365][ T1957] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 84.308367][ T1957] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 84.308368][ T1957] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 84.308370][ T1957] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 84.308373][ T1957] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 84.308375][ T1957] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 84.308377][ T1957] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 84.308379][ T1957] ? kasan_save_stack (mm/kasan/common.c:58) [ 84.308381][ T1957] ? kasan_save_stack (mm/kasan/common.c:57) [ 84.308382][ T1957] ? kasan_save_track (mm/kasan/common.c:78) [ 84.308383][ T1957] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 84.308385][ T1957] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 84.308387][ T1957] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 84.308390][ T1957] ? ___sys_sendmsg (net/socket.c:2758) [ 84.308394][ T1957] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 84.308396][ T1957] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 84.308399][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.308400][ T1957] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.308402][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.308403][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.308404][ T1957] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 84.308407][ T1957] ? __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) [ 84.308408][ T1957] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 84.308410][ T1957] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 84.308413][ T1957] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 84.308414][ T1957] ? nla_get_range_signed (lib/nlattr.c:270) [ 84.308419][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.308421][ T1957] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 84.308426][ T1957] rtnl_newlink (net/core/rtnetlink.c:4215) [ 84.308431][ T1957] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.308433][ T1957] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 84.308438][ T1957] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 84.308440][ T1957] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 84.308441][ T1957] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.308443][ T1957] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 84.308447][ T1957] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.308449][ T1957] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 84.308452][ T1957] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 84.308453][ T1957] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 84.308458][ T1957] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 84.308459][ T1957] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 84.308463][ T1957] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 84.308466][ T1957] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 84.308468][ T1957] ? netlink_ack (./include/linux/skbuff.h:2718) [ 84.308475][ T1957] ? 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)) [ 84.308477][ T1957] ? 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)) [ 84.308481][ T1957] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 84.308485][ T1957] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 84.308487][ T1957] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 84.308491][ T1957] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 84.308495][ T1957] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 84.308499][ T1957] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 84.308501][ T1957] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 84.308506][ T1957] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 84.308508][ T1957] ____sys_sendmsg (net/socket.c:2713) [ 84.308511][ T1957] ? copy_msghdr_from_user (net/socket.c:2650) [ 84.308513][ T1957] ? sock_write_iter (net/socket.c:1269) [ 84.308514][ T1957] ? move_addr_to_kernel (net/socket.c:258) [ 84.308521][ T1957] ___sys_sendmsg (net/socket.c:2767) [ 84.308524][ T1957] ? copy_msghdr_from_user (net/socket.c:2619) [ 84.308539][ T1957] __sys_sendmsg (net/socket.c:2799) [ 84.308542][ T1957] ? __sys_sendmsg_sock (net/socket.c:2780) [ 84.308548][ T1957] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.308551][ T1957] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 84.308554][ T1957] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 84.308557][ T1957] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 84.308559][ T1957] RIP: 0033:0x7f4f1928654e [ 84.308562][ T1957] 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 [ 84.308564][ T1957] RSP: 002b:00007ffca54c9330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 84.308567][ T1957] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f4f1928654e [ 84.308568][ T1957] RDX: 0000000000000000 RSI: 00007ffca54c93e0 RDI: 0000000000000005 [ 84.308569][ T1957] RBP: 00007ffca54c9340 R08: 0000000000000000 R09: 0000000000000000 [ 84.308570][ T1957] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a916cf3 [ 84.308571][ T1957] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffca54c9ab0 | [ 85.489627][ T48] softirqs last disabled at (429524): br_port_carrier_check (./include/linux/spinlock.h:353 net/bridge/br_if.c:87) | [ 85.489630][ T48] Preemption disabled at: | [ 85.489630][ T48] 0x0 | [ 85.489640][ T48] Tainted: [W]=WARN [ 85.489641][ T48] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 85.489643][ T48] Workqueue: events_unbound linkwatch_event [ 85.489646][ T48] Call Trace: [ 85.489648][ T48] [ 85.489649][ T48] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 85.489656][ T48] __might_resched.cold (kernel/sched/core.c:9234) [ 85.489660][ T48] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 85.489664][ T48] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 85.489669][ T48] __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)) [ 85.489670][ T48] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.489677][ T48] ? 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) [ 85.489680][ T48] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 85.489684][ T48] put_chars (drivers/char/virtio_console.c:1176) [ 85.489686][ T48] ? __send_to_port (drivers/char/virtio_console.c:654) [ 85.489689][ T48] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 85.489692][ T48] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 85.489695][ T48] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 85.489699][ T48] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 85.489703][ T48] ? mark_usage (kernel/locking/lockdep.c:4690) [ 85.489704][ T48] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 85.489706][ T48] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 85.489710][ T48] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 85.489712][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 85.489716][ T48] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.489721][ T48] console_emit_next_record (kernel/printk/printk.c:3183) [ 85.489725][ T48] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 85.489726][ T48] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 85.489730][ T48] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.489731][ T48] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 85.489735][ T48] console_flush_one_record (kernel/printk/printk.c:3268) [ 85.489740][ T48] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 85.489742][ T48] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 85.489747][ T48] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 85.489750][ T48] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 85.489752][ T48] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 85.489753][ T48] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 85.489757][ T48] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 85.489759][ T48] ? vprintk_emit (kernel/printk/printk.c:2478) [ 85.489762][ T48] vprintk_emit (kernel/printk/printk.c:2479) [ 85.489765][ T48] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 85.489767][ T48] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 85.489769][ T48] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 85.489772][ T48] _printk (kernel/printk/printk.c:2504) [ 85.489776][ T48] ? snapshot_read.cold (user.c:?) [ 85.489781][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 85.489785][ T48] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 85.489789][ T48] br_init_port (net/bridge/br_stp_if.c:39) [ 85.489791][ T48] br_stp_enable_port (net/bridge/br_stp_if.c:93) [ 85.489793][ T48] br_port_carrier_check (net/bridge/br_if.c:90) [ 85.489797][ T48] br_device_event (net/bridge/br.c:101) [ 85.489801][ T48] ? packet_sendmsg_spkt (af_packet.c:?) [ 85.489802][ T48] ? nlmsg_notify (./include/net/netlink.h:1165 ./include/net/netlink.h:1184 net/netlink/af_netlink.c:2599) [ 85.489809][ T48] notifier_call_chain (kernel/notifier.c:85) [ 85.489815][ T48] netif_state_change (net/core/dev.c:1625) [ 85.489819][ T48] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:422 (discriminator 7)) [ 85.489824][ T48] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166) [ 85.489826][ T48] __linkwatch_run_queue (net/core/link_watch.c:240) [ 85.489829][ T48] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 85.489832][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 85.489836][ T48] linkwatch_event (net/core/link_watch.c:314 (discriminator 11)) [ 85.489838][ T48] ? __linkwatch_run_queue (net/core/link_watch.c:213) [ 85.489841][ T48] process_one_work (kernel/workqueue.c:3387) [ 85.489848][ T48] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 85.489851][ T48] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 85.489858][ T48] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 85.489863][ T48] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 85.489865][ T48] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272) [ 85.489868][ T48] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 85.489870][ T48] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 85.489872][ T48] kthread (kernel/kthread.c:436) [ 85.489874][ T48] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 85.489878][ T48] ? kthread_affine_preferred (kernel/kthread.c:857) [ 85.489880][ T48] ret_from_fork (arch/x86/kernel/process.c:158) [ 85.489885][ T48] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 85.489888][ T48] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 85.489891][ T48] ? kthread_affine_preferred (kernel/kthread.c:857) [ 85.489894][ T48] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 87.420846][ T12] softirqs last disabled at (1740738): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 87.420848][ T12] Preemption disabled at: | [ 87.420849][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 87.420857][ T12] Tainted: [W]=WARN [ 87.420858][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 87.420859][ T12] Workqueue: netns cleanup_net [ 87.420863][ T12] Call Trace: [ 87.420864][ T12] [ 87.420866][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 87.420872][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 87.420874][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 87.420878][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 87.420882][ T12] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 87.420886][ T12] __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)) [ 87.420888][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 87.420895][ T12] ? 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) [ 87.420898][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 87.420901][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 87.420904][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 87.420905][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 87.420909][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 87.420912][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 87.420916][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 87.420920][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 87.420926][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 87.420929][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.420934][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 87.420938][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 87.420940][ T12] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 87.420943][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.420945][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.420949][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 87.420953][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 87.420955][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 87.420961][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 87.420963][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 87.420965][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.420967][ T12] ? lock_acquire (./include/linux/srcutree.h:374 ./include/linux/srcu.h:541 ./include/linux/srcu.h:645 ./include/trace/events/lock.h:23 ./include/trace/events/lock.h:23 kernel/locking/lockdep.c:5871) [ 87.420971][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 87.420973][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 87.420975][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 87.420979][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 87.420980][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 87.420982][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 87.420984][ T12] ? kthread (kernel/kthread.c:436) [ 87.420986][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 87.420989][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 87.420994][ T12] _printk (kernel/printk/printk.c:2504) [ 87.420997][ T12] ? snapshot_read.cold (user.c:?) [ 87.421002][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 87.421005][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 87.421009][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 87.421012][ T12] ? netdev_notice (net/core/dev.c:13194) [ 87.421016][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.421018][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 87.421021][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 87.421023][ T12] ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65) [ 87.421025][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 87.421029][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 87.421033][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 87.421036][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 87.421038][ T12] ? net_generic (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2)) [ 87.421043][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 87.421047][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 87.421050][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 87.421054][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 87.421058][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 87.421059][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 87.421062][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 87.421067][ T12] cleanup_net (net/core/net_namespace.c:706) [ 87.421070][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 87.421074][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 87.421076][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 87.421079][ T12] process_one_work (kernel/workqueue.c:3387) [ 87.421086][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 87.421089][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 87.421097][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 87.421104][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 87.421106][ T12] kthread (kernel/kthread.c:436) [ 87.421108][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 87.421112][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 87.421114][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 87.421117][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 87.421121][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 87.421124][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars br_port_carrier_check:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars