====================================== | [ 10.884699][ T211] softirqs last disabled at (21054): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 10.884702][ T211] Preemption disabled at: | [ 10.884703][ T211] 0x0 | [ 10.884713][ T211] Tainted: [W]=WARN [ 10.884714][ T211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.884716][ T211] Call Trace: [ 10.884717][ T211] [ 10.884719][ T211] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.884726][ T211] __might_resched.cold (kernel/sched/core.c:9234) [ 10.884730][ T211] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.884735][ T211] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.884739][ T211] __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)) [ 10.884741][ T211] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.884748][ T211] ? 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) [ 10.884751][ T211] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.884755][ T211] put_chars (drivers/char/virtio_console.c:1176) [ 10.884757][ T211] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.884758][ T211] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.884762][ T211] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.884768][ T211] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.884776][ T211] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.884778][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.884780][ T211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.884785][ T211] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.884789][ T211] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.884791][ T211] ? 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)) [ 10.884794][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.884796][ T211] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.884800][ T211] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.884804][ T211] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.884807][ T211] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.884812][ T211] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.884815][ T211] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.884817][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.884819][ T211] ? 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) [ 10.884823][ T211] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.884824][ T211] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.884827][ T211] vprintk_emit (kernel/printk/printk.c:2479) [ 10.884831][ T211] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.884834][ T211] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.884837][ T211] _printk (kernel/printk/printk.c:2504) [ 10.884841][ T211] ? snapshot_read.cold (user.c:?) [ 10.884844][ T211] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.884847][ T211] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.884851][ T211] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 10.884854][ T211] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.884858][ T211] ? exit_notify (kernel/exit.c:780) [ 10.884859][ T211] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.884862][ T211] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.884866][ T211] do_group_exit (kernel/exit.c:1151) [ 10.884869][ T211] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.884871][ T211] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.884873][ T211] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.884877][ T211] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.884880][ T211] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.884883][ T211] RIP: 0033:0x7f63576531b8 [ 10.884885][ T211] Code: Unable to access opcode bytes at 0x7f635765318e. Code starting with the faulting instruction =========================================== [ 10.884886][ T211] RSP: 002b:00007ffe43f42d98 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.884888][ T211] RAX: ffffffffffffffda RBX: 00007f6357783f88 RCX: 00007f63576531b8 [ 10.884890][ T211] RDX: 00007f635739dfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.884891][ T211] RBP: 00007ffe43f42df0 R08: 0000000000000000 R09: 0000000000000050 [ 10.884892][ T211] R10: 00007ffe43f42bb0 R11: 0000000000000246 R12: 0000000000000001 [ 10.884893][ T211] R13: 0000000000000000 R14: 00007f6357782680 R15: 00007f6357783fa0 | [ 15.935662][ T341] softirqs last disabled at (32555): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.935664][ T341] Preemption disabled at: | [ 15.935665][ T341] 0x0 | [ 15.935675][ T341] Tainted: [W]=WARN [ 15.935676][ T341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.935678][ T341] Call Trace: [ 15.935680][ T341] [ 15.935681][ T341] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.935688][ T341] __might_resched.cold (kernel/sched/core.c:9234) [ 15.935693][ T341] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.935699][ T341] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.935703][ T341] __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)) [ 15.935705][ T341] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.935712][ T341] ? 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) [ 15.935715][ T341] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.935719][ T341] put_chars (drivers/char/virtio_console.c:1176) [ 15.935721][ T341] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.935723][ T341] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.935726][ T341] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.935732][ T341] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.935740][ T341] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.935742][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.935744][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.935749][ T341] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.935753][ T341] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.935755][ T341] ? 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)) [ 15.935758][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.935760][ T341] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.935764][ T341] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.935768][ T341] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.935770][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.935776][ T341] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.935778][ T341] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.935780][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.935782][ T341] ? 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) [ 15.935786][ T341] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.935788][ T341] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.935791][ T341] vprintk_emit (kernel/printk/printk.c:2479) [ 15.935794][ T341] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.935797][ T341] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.935801][ T341] _printk (kernel/printk/printk.c:2504) [ 15.935804][ T341] ? snapshot_read.cold (user.c:?) [ 15.935807][ T341] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 15.935810][ T341] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.935814][ T341] ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116) [ 15.935817][ T341] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.935821][ T341] ? exit_notify (kernel/exit.c:780) [ 15.935822][ T341] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.935825][ T341] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.935829][ T341] do_group_exit (kernel/exit.c:1151) [ 15.935832][ T341] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.935834][ T341] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.935836][ T341] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.935840][ T341] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.935844][ T341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.935846][ T341] RIP: 0033:0x7fec0d0c21b8 [ 15.935848][ T341] Code: Unable to access opcode bytes at 0x7fec0d0c218e. Code starting with the faulting instruction =========================================== [ 15.935849][ T341] RSP: 002b:00007ffc709e85d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.935851][ T341] RAX: ffffffffffffffda RBX: 00007fec0d1f2f88 RCX: 00007fec0d0c21b8 [ 15.935853][ T341] RDX: 00007fec0ce0cfc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.935854][ T341] RBP: 00007ffc709e8630 R08: 0000000000000000 R09: 0000000000008010 [ 15.935855][ T341] R10: 00007ffc709e83f0 R11: 0000000000000246 R12: 0000000000000001 [ 15.935855][ T341] R13: 0000000000000000 R14: 00007fec0d1f1680 R15: 00007fec0d1f2fa0 | [ 21.255377][ T455] softirqs last disabled at (25224): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 21.255381][ T455] Preemption disabled at: | [ 21.255381][ T455] vprintk_emit (kernel/printk/printk.c:2471) | [ 21.255392][ T455] Tainted: [W]=WARN [ 21.255394][ T455] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.255396][ T455] Call Trace: [ 21.255397][ T455] [ 21.255400][ T455] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 21.255407][ T455] ? vprintk_emit (kernel/printk/printk.c:2471) [ 21.255409][ T455] __might_resched.cold (kernel/sched/core.c:9234) [ 21.255415][ T455] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 21.255421][ T455] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 21.255428][ T455] __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)) [ 21.255431][ T455] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.255440][ T455] ? 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) [ 21.255444][ T455] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 21.255450][ T455] put_chars (drivers/char/virtio_console.c:1176) [ 21.255454][ T455] ? __send_to_port (drivers/char/virtio_console.c:654) [ 21.255464][ T455] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 21.255476][ T455] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 21.255481][ T455] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.255488][ T455] console_emit_next_record (kernel/printk/printk.c:3183) [ 21.255494][ T455] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 21.255496][ T455] ? 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)) [ 21.255501][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.255505][ T455] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.255512][ T455] console_flush_one_record (kernel/printk/printk.c:3268) [ 21.255519][ T455] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 21.255521][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.255530][ T455] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 21.255535][ T455] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 21.255537][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.255540][ T455] ? 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) [ 21.255546][ T455] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 21.255549][ T455] ? vprintk_emit (kernel/printk/printk.c:2478) [ 21.255553][ T455] vprintk_emit (kernel/printk/printk.c:2479) [ 21.255558][ T455] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 21.255563][ T455] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 21.255571][ T455] _printk (kernel/printk/printk.c:2504) [ 21.255576][ T455] ? snapshot_read.cold (user.c:?) [ 21.255578][ T455] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.255582][ T455] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.255586][ T455] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.255589][ T455] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 21.255594][ T455] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 21.255598][ T455] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 21.255602][ T455] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 21.255606][ T455] ? netdev_notice (net/core/dev.c:13194) [ 21.255610][ T455] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.255615][ T455] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.255619][ T455] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 21.255625][ T455] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 21.255628][ T455] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 21.255632][ T455] ? register_netdev (net/core/dev.c:11618) [ 21.255634][ T455] ? 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)) [ 21.255641][ T455] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 21.255645][ T455] ? __kernel_text_address (kernel/extable.c:79) [ 21.255649][ T455] ? write_profile (profile.c:?) [ 21.255655][ T455] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 21.255663][ T455] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 21.255669][ T455] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 21.255672][ T455] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 21.255674][ T455] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 21.255677][ T455] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 21.255681][ T455] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 21.255684][ T455] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 21.255687][ T455] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 21.255691][ T455] ? kasan_save_stack (mm/kasan/common.c:58) [ 21.255697][ T455] ? kasan_save_stack (mm/kasan/common.c:57) [ 21.255699][ T455] ? kasan_save_track (mm/kasan/common.c:78) [ 21.255701][ T455] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 21.255705][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.255708][ T455] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 21.255712][ T455] ? ___sys_sendmsg (net/socket.c:2758) [ 21.255718][ T455] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.255721][ T455] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.255725][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.255728][ T455] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 21.255730][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.255732][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.255735][ T455] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 21.255738][ T455] ? __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) [ 21.255740][ T455] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 21.255743][ T455] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 21.255749][ T455] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 21.255751][ T455] ? nla_get_range_signed (lib/nlattr.c:270) [ 21.255758][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.255762][ T455] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 21.255771][ T455] rtnl_newlink (net/core/rtnetlink.c:4215) [ 21.255780][ T455] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.255783][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.255791][ T455] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.255794][ T455] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.255797][ T455] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.255800][ T455] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.255806][ T455] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 21.255809][ T455] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 21.255815][ T455] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.255817][ T455] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 21.255824][ T455] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 21.255827][ T455] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.255833][ T455] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 21.255837][ T455] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 21.255841][ T455] ? netlink_ack (./include/linux/skbuff.h:2718) [ 21.255852][ T455] ? 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)) [ 21.255855][ T455] ? 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)) [ 21.255863][ T455] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 21.255869][ T455] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 21.255873][ T455] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 21.255880][ T455] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 21.255887][ T455] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 21.255893][ T455] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 21.255895][ T455] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 21.255903][ T455] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 21.255908][ T455] ____sys_sendmsg (net/socket.c:2713) [ 21.255911][ T455] ? copy_msghdr_from_user (net/socket.c:2650) [ 21.255915][ T455] ? sock_write_iter (net/socket.c:1269) [ 21.255917][ T455] ? move_addr_to_kernel (net/socket.c:258) [ 21.255929][ T455] ___sys_sendmsg (net/socket.c:2767) [ 21.255934][ T455] ? copy_msghdr_from_user (net/socket.c:2619) [ 21.255963][ T455] __sys_sendmsg (net/socket.c:2799) [ 21.255967][ T455] ? __sys_sendmsg_sock (net/socket.c:2780) [ 21.255977][ T455] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 21.255983][ T455] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 21.255986][ T455] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 21.255991][ T455] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 21.255994][ T455] RIP: 0033:0x7f734174b54e [ 21.255999][ T455] 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 [ 21.256001][ T455] RSP: 002b:00007ffc4587f5d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 21.256005][ T455] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f734174b54e [ 21.256006][ T455] RDX: 0000000000000000 RSI: 00007ffc4587f680 RDI: 0000000000000005 [ 21.256008][ T455] RBP: 00007ffc4587f5e0 R08: 0000000000000000 R09: 0000000000000000 [ 21.256009][ T455] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910532 [ 21.256010][ T455] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc4587fd50 | [ 26.683439][ T569] softirqs last disabled at (24154): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 26.683441][ T569] Preemption disabled at: | [ 26.683442][ T569] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.683451][ T569] Tainted: [W]=WARN [ 26.683452][ T569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.683453][ T569] Call Trace: [ 26.683455][ T569] [ 26.683456][ T569] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.683462][ T569] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.683464][ T569] __might_resched.cold (kernel/sched/core.c:9234) [ 26.683468][ T569] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.683473][ T569] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.683477][ T569] __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)) [ 26.683479][ T569] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.683485][ T569] ? 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) [ 26.683488][ T569] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.683492][ T569] put_chars (drivers/char/virtio_console.c:1176) [ 26.683494][ T569] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.683500][ T569] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.683508][ T569] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.683511][ T569] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.683515][ T569] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.683519][ T569] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.683521][ T569] ? 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)) [ 26.683524][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.683527][ T569] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.683531][ T569] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.683535][ T569] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.683537][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.683542][ T569] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.683545][ T569] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.683546][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.683548][ T569] ? 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) [ 26.683552][ T569] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.683553][ T569] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.683556][ T569] vprintk_emit (kernel/printk/printk.c:2479) [ 26.683559][ T569] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.683562][ T569] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 26.683567][ T569] _printk (kernel/printk/printk.c:2504) [ 26.683570][ T569] ? snapshot_read.cold (user.c:?) [ 26.683572][ T569] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.683575][ T569] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.683577][ T569] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.683579][ T569] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 26.683583][ T569] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 26.683586][ T569] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 26.683588][ T569] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 26.683591][ T569] ? netdev_notice (net/core/dev.c:13194) [ 26.683594][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.683597][ T569] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.683599][ T569] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 26.683603][ T569] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 26.683605][ T569] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 26.683607][ T569] ? register_netdev (net/core/dev.c:11618) [ 26.683608][ T569] ? 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)) [ 26.683613][ T569] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 26.683616][ T569] ? __kernel_text_address (kernel/extable.c:79) [ 26.683618][ T569] ? write_profile (profile.c:?) [ 26.683622][ T569] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 26.683628][ T569] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 26.683631][ T569] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 26.683633][ T569] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 26.683634][ T569] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 26.683636][ T569] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 26.683639][ T569] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.683641][ T569] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.683643][ T569] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.683645][ T569] ? kasan_save_stack (mm/kasan/common.c:58) [ 26.683647][ T569] ? kasan_save_stack (mm/kasan/common.c:57) [ 26.683648][ T569] ? kasan_save_track (mm/kasan/common.c:78) [ 26.683649][ T569] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 26.683652][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.683654][ T569] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 26.683657][ T569] ? ___sys_sendmsg (net/socket.c:2758) [ 26.683660][ T569] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.683662][ T569] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.683665][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.683666][ T569] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.683668][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.683669][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.683671][ T569] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 26.683673][ T569] ? __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) [ 26.683674][ T569] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 26.683676][ T569] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 26.683679][ T569] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 26.683680][ T569] ? nla_get_range_signed (lib/nlattr.c:270) [ 26.683685][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.683687][ T569] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 26.683692][ T569] rtnl_newlink (net/core/rtnetlink.c:4215) [ 26.683702][ T569] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.683704][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.683709][ T569] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.683710][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.683712][ T569] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.683714][ T569] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.683718][ T569] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 26.683720][ T569] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 26.683723][ T569] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.683724][ T569] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.683729][ T569] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 26.683730][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.683734][ T569] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 26.683737][ T569] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 26.683740][ T569] ? netlink_ack (./include/linux/skbuff.h:2718) [ 26.683746][ T569] ? 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)) [ 26.683748][ T569] ? 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)) [ 26.683752][ T569] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 26.683756][ T569] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 26.683759][ T569] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 26.683763][ T569] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 26.683767][ T569] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 26.683770][ T569] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 26.683772][ T569] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 26.683777][ T569] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 26.683780][ T569] ____sys_sendmsg (net/socket.c:2713) [ 26.683782][ T569] ? copy_msghdr_from_user (net/socket.c:2650) [ 26.683784][ T569] ? sock_write_iter (net/socket.c:1269) [ 26.683786][ T569] ? move_addr_to_kernel (net/socket.c:258) [ 26.683793][ T569] ___sys_sendmsg (net/socket.c:2767) [ 26.683796][ T569] ? copy_msghdr_from_user (net/socket.c:2619) [ 26.683811][ T569] __sys_sendmsg (net/socket.c:2799) [ 26.683814][ T569] ? __sys_sendmsg_sock (net/socket.c:2780) [ 26.683820][ T569] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.683823][ T569] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.683826][ T569] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.683829][ T569] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.683831][ T569] RIP: 0033:0x7fc7d223854e [ 26.683835][ T569] 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 [ 26.683837][ T569] RSP: 002b:00007ffe2afa78b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 26.683839][ T569] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc7d223854e [ 26.683841][ T569] RDX: 0000000000000000 RSI: 00007ffe2afa7960 RDI: 0000000000000005 [ 26.683842][ T569] RBP: 00007ffe2afa78c0 R08: 0000000000000000 R09: 0000000000000000 [ 26.683843][ T569] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910537 [ 26.683843][ T569] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe2afa8030 | [ 32.237217][ T680] softirqs last disabled at (19840): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 32.237220][ T680] Preemption disabled at: | [ 32.237221][ T680] vprintk_emit (kernel/printk/printk.c:2471) | [ 32.237233][ T680] Tainted: [W]=WARN [ 32.237234][ T680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 32.237236][ T680] Call Trace: [ 32.237238][ T680] [ 32.237240][ T680] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 32.237248][ T680] ? vprintk_emit (kernel/printk/printk.c:2471) [ 32.237251][ T680] __might_resched.cold (kernel/sched/core.c:9234) [ 32.237257][ T680] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 32.237263][ T680] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 32.237269][ T680] __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)) [ 32.237273][ T680] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.237282][ T680] ? 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) [ 32.237286][ T680] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 32.237292][ T680] put_chars (drivers/char/virtio_console.c:1176) [ 32.237296][ T680] ? __send_to_port (drivers/char/virtio_console.c:654) [ 32.237307][ T680] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 32.237319][ T680] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 32.237325][ T680] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.237332][ T680] console_emit_next_record (kernel/printk/printk.c:3183) [ 32.237338][ T680] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 32.237341][ T680] ? 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)) [ 32.237346][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.237350][ T680] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.237357][ T680] console_flush_one_record (kernel/printk/printk.c:3268) [ 32.237364][ T680] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 32.237367][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.237376][ T680] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 32.237381][ T680] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 32.237383][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.237386][ T680] ? 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) [ 32.237392][ T680] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 32.237395][ T680] ? vprintk_emit (kernel/printk/printk.c:2478) [ 32.237400][ T680] vprintk_emit (kernel/printk/printk.c:2479) [ 32.237405][ T680] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 32.237410][ T680] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 32.237418][ T680] _printk (kernel/printk/printk.c:2504) [ 32.237423][ T680] ? snapshot_read.cold (user.c:?) [ 32.237425][ T680] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.237430][ T680] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.237434][ T680] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.237437][ T680] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 32.237442][ T680] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 32.237447][ T680] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.237450][ T680] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 32.237455][ T680] ? netdev_notice (net/core/dev.c:13194) [ 32.237459][ T680] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.237464][ T680] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.237468][ T680] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 32.237474][ T680] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.237477][ T680] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 32.237481][ T680] ? register_netdev (net/core/dev.c:11618) [ 32.237483][ T680] ? 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)) [ 32.237491][ T680] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 32.237495][ T680] ? __kernel_text_address (kernel/extable.c:79) [ 32.237498][ T680] ? write_profile (profile.c:?) [ 32.237505][ T680] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 32.237513][ T680] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 32.237519][ T680] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 32.237522][ T680] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 32.237525][ T680] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 32.237528][ T680] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 32.237532][ T680] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 32.237536][ T680] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 32.237539][ T680] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 32.237542][ T680] ? kasan_save_stack (mm/kasan/common.c:58) [ 32.237545][ T680] ? kasan_save_stack (mm/kasan/common.c:57) [ 32.237547][ T680] ? kasan_save_track (mm/kasan/common.c:78) [ 32.237549][ T680] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 32.237553][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.237556][ T680] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 32.237561][ T680] ? ___sys_sendmsg (net/socket.c:2758) [ 32.237567][ T680] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.237570][ T680] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 32.237574][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.237577][ T680] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 32.237580][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.237581][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.237584][ T680] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 32.237588][ T680] ? __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) [ 32.237590][ T680] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 32.237593][ T680] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 32.237599][ T680] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 32.237601][ T680] ? nla_get_range_signed (lib/nlattr.c:270) [ 32.237609][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.237613][ T680] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 32.237623][ T680] rtnl_newlink (net/core/rtnetlink.c:4215) [ 32.237633][ T680] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.237636][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.237644][ T680] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.237646][ T680] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.237650][ T680] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.237653][ T680] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.237659][ T680] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 32.237663][ T680] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 32.237668][ T680] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.237670][ T680] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 32.237678][ T680] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 32.237680][ T680] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.237687][ T680] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 32.237691][ T680] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 32.237700][ T680] ? netlink_ack (./include/linux/skbuff.h:2718) [ 32.237712][ T680] ? 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)) [ 32.237715][ T680] ? 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)) [ 32.237723][ T680] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 32.237730][ T680] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 32.237734][ T680] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 32.237741][ T680] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 32.237748][ T680] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 32.237755][ T680] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 32.237757][ T680] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 32.237765][ T680] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 32.237770][ T680] ____sys_sendmsg (net/socket.c:2713) [ 32.237774][ T680] ? copy_msghdr_from_user (net/socket.c:2650) [ 32.237777][ T680] ? sock_write_iter (net/socket.c:1269) [ 32.237780][ T680] ? move_addr_to_kernel (net/socket.c:258) [ 32.237793][ T680] ___sys_sendmsg (net/socket.c:2767) [ 32.237798][ T680] ? copy_msghdr_from_user (net/socket.c:2619) [ 32.237827][ T680] __sys_sendmsg (net/socket.c:2799) [ 32.237831][ T680] ? __sys_sendmsg_sock (net/socket.c:2780) [ 32.237842][ T680] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 32.237848][ T680] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 32.237852][ T680] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 32.237856][ T680] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 32.237860][ T680] RIP: 0033:0x7f231a81f54e [ 32.237865][ T680] 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 [ 32.237867][ T680] RSP: 002b:00007ffe5acc41d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 32.237871][ T680] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f231a81f54e [ 32.237873][ T680] RDX: 0000000000000000 RSI: 00007ffe5acc4280 RDI: 0000000000000005 [ 32.237875][ T680] RBP: 00007ffe5acc41e0 R08: 0000000000000000 R09: 0000000000000000 [ 32.237876][ T680] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91053d [ 32.237878][ T680] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe5acc4950 | [ 38.746518][ T795] softirqs last disabled at (29414): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 38.746522][ T795] Preemption disabled at: | [ 38.746522][ T795] vprintk_emit (kernel/printk/printk.c:2471) | [ 38.746533][ T795] Tainted: [W]=WARN [ 38.746534][ T795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.746537][ T795] Call Trace: [ 38.746539][ T795] [ 38.746541][ T795] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.746549][ T795] ? vprintk_emit (kernel/printk/printk.c:2471) [ 38.746552][ T795] __might_resched.cold (kernel/sched/core.c:9234) [ 38.746558][ T795] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.746563][ T795] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.746570][ T795] __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)) [ 38.746573][ T795] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.746583][ T795] ? 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) [ 38.746587][ T795] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.746593][ T795] put_chars (drivers/char/virtio_console.c:1176) [ 38.746597][ T795] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.746608][ T795] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.746620][ T795] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.746625][ T795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.746632][ T795] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.746639][ T795] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.746641][ T795] ? 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)) [ 38.746647][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.746650][ T795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.746657][ T795] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.746664][ T795] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.746667][ T795] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.746676][ T795] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.746681][ T795] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.746684][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.746686][ T795] ? 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) [ 38.746697][ T795] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.746700][ T795] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.746705][ T795] vprintk_emit (kernel/printk/printk.c:2479) [ 38.746710][ T795] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.746715][ T795] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 38.746722][ T795] _printk (kernel/printk/printk.c:2504) [ 38.746727][ T795] ? snapshot_read.cold (user.c:?) [ 38.746730][ T795] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.746735][ T795] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.746738][ T795] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.746742][ T795] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 38.746747][ T795] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 38.746751][ T795] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 38.746755][ T795] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 38.746759][ T795] ? netdev_notice (net/core/dev.c:13194) [ 38.746764][ T795] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.746769][ T795] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.746773][ T795] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 38.746779][ T795] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 38.746782][ T795] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 38.746786][ T795] ? register_netdev (net/core/dev.c:11618) [ 38.746788][ T795] ? 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)) [ 38.746796][ T795] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 38.746800][ T795] ? __kernel_text_address (kernel/extable.c:79) [ 38.746804][ T795] ? write_profile (profile.c:?) [ 38.746810][ T795] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 38.746819][ T795] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 38.746824][ T795] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 38.746827][ T795] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 38.746830][ T795] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 38.746833][ T795] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 38.746838][ T795] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.746841][ T795] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.746844][ T795] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.746848][ T795] ? kasan_save_stack (mm/kasan/common.c:58) [ 38.746851][ T795] ? kasan_save_stack (mm/kasan/common.c:57) [ 38.746853][ T795] ? kasan_save_track (mm/kasan/common.c:78) [ 38.746855][ T795] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 38.746858][ T795] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.746861][ T795] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 38.746865][ T795] ? ___sys_sendmsg (net/socket.c:2758) [ 38.746872][ T795] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.746875][ T795] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.746879][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.746882][ T795] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.746885][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.746887][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.746890][ T795] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 38.746893][ T795] ? __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) [ 38.746896][ T795] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 38.746899][ T795] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.746905][ T795] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 38.746907][ T795] ? nla_get_range_signed (lib/nlattr.c:270) [ 38.746914][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.746918][ T795] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 38.746927][ T795] rtnl_newlink (net/core/rtnetlink.c:4215) [ 38.746937][ T795] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.746940][ T795] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.746948][ T795] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.746951][ T795] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.746954][ T795] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.746957][ T795] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.746964][ T795] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.746967][ T795] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.746973][ T795] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.746975][ T795] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.746983][ T795] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.746985][ T795] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.746991][ T795] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.746996][ T795] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.747001][ T795] ? netlink_ack (./include/linux/skbuff.h:2718) [ 38.747012][ T795] ? 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)) [ 38.747015][ T795] ? 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)) [ 38.747023][ T795] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.747029][ T795] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.747033][ T795] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.747041][ T795] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.747048][ T795] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.747054][ T795] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.747057][ T795] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 38.747065][ T795] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 38.747070][ T795] ____sys_sendmsg (net/socket.c:2713) [ 38.747074][ T795] ? copy_msghdr_from_user (net/socket.c:2650) [ 38.747077][ T795] ? sock_write_iter (net/socket.c:1269) [ 38.747080][ T795] ? move_addr_to_kernel (net/socket.c:258) [ 38.747093][ T795] ___sys_sendmsg (net/socket.c:2767) [ 38.747097][ T795] ? copy_msghdr_from_user (net/socket.c:2619) [ 38.747132][ T795] __sys_sendmsg (net/socket.c:2799) [ 38.747137][ T795] ? __sys_sendmsg_sock (net/socket.c:2780) [ 38.747148][ T795] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.747154][ T795] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.747159][ T795] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.747163][ T795] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.747167][ T795] RIP: 0033:0x7fb6cea9c54e [ 38.747172][ T795] 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 [ 38.747175][ T795] RSP: 002b:00007ffe304f7ab0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.747180][ T795] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fb6cea9c54e [ 38.747182][ T795] RDX: 0000000000000000 RSI: 00007ffe304f7b60 RDI: 0000000000000005 [ 38.747184][ T795] RBP: 00007ffe304f7ac0 R08: 0000000000000000 R09: 0000000000000000 [ 38.747185][ T795] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910544 [ 38.747186][ T795] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe304f8230 | [ 45.546598][ T919] softirqs last disabled at (17266): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 45.546601][ T919] Preemption disabled at: | [ 45.546602][ T919] vprintk_emit (kernel/printk/printk.c:2471) | [ 45.546611][ T919] Tainted: [W]=WARN [ 45.546611][ T919] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 45.546613][ T919] Call Trace: [ 45.546615][ T919] [ 45.546617][ T919] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 45.546623][ T919] ? vprintk_emit (kernel/printk/printk.c:2471) [ 45.546625][ T919] __might_resched.cold (kernel/sched/core.c:9234) [ 45.546629][ T919] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 45.546633][ T919] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 45.546638][ T919] __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)) [ 45.546640][ T919] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.546646][ T919] ? 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) [ 45.546649][ T919] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 45.546653][ T919] put_chars (drivers/char/virtio_console.c:1176) [ 45.546655][ T919] ? __send_to_port (drivers/char/virtio_console.c:654) [ 45.546662][ T919] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 45.546669][ T919] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 45.546673][ T919] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.546677][ T919] console_emit_next_record (kernel/printk/printk.c:3183) [ 45.546681][ T919] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 45.546683][ T919] ? 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)) [ 45.546686][ T919] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.546689][ T919] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.546693][ T919] console_flush_one_record (kernel/printk/printk.c:3268) [ 45.546700][ T919] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 45.546702][ T919] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.546707][ T919] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 45.546710][ T919] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 45.546712][ T919] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.546713][ T919] ? 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) [ 45.546717][ T919] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 45.546719][ T919] ? vprintk_emit (kernel/printk/printk.c:2478) [ 45.546721][ T919] vprintk_emit (kernel/printk/printk.c:2479) [ 45.546725][ T919] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 45.546727][ T919] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 45.546733][ T919] _printk (kernel/printk/printk.c:2504) [ 45.546736][ T919] ? snapshot_read.cold (user.c:?) [ 45.546737][ T919] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.546740][ T919] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.546742][ T919] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.546745][ T919] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 45.546748][ T919] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 45.546751][ T919] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 45.546753][ T919] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 45.546756][ T919] ? netdev_notice (net/core/dev.c:13194) [ 45.546759][ T919] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.546762][ T919] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.546764][ T919] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 45.546768][ T919] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 45.546770][ T919] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 45.546772][ T919] ? register_netdev (net/core/dev.c:11618) [ 45.546773][ T919] ? 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)) [ 45.546778][ T919] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 45.546781][ T919] ? __kernel_text_address (kernel/extable.c:79) [ 45.546783][ T919] ? write_profile (profile.c:?) [ 45.546787][ T919] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 45.546792][ T919] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 45.546796][ T919] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 45.546798][ T919] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 45.546799][ T919] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 45.546801][ T919] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 45.546804][ T919] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 45.546806][ T919] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 45.546808][ T919] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 45.546810][ T919] ? kasan_save_stack (mm/kasan/common.c:58) [ 45.546812][ T919] ? kasan_save_stack (mm/kasan/common.c:57) [ 45.546813][ T919] ? kasan_save_track (mm/kasan/common.c:78) [ 45.546814][ T919] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 45.546816][ T919] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.546818][ T919] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 45.546821][ T919] ? ___sys_sendmsg (net/socket.c:2758) [ 45.546825][ T919] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.546827][ T919] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 45.546829][ T919] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.546831][ T919] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 45.546832][ T919] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.546834][ T919] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.546835][ T919] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 45.546837][ T919] ? __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) [ 45.546839][ T919] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 45.546840][ T919] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 45.546844][ T919] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 45.546845][ T919] ? nla_get_range_signed (lib/nlattr.c:270) [ 45.546850][ T919] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.546852][ T919] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 45.546857][ T919] rtnl_newlink (net/core/rtnetlink.c:4215) [ 45.546862][ T919] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.546864][ T919] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.546868][ T919] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.546870][ T919] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.546872][ T919] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.546874][ T919] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.546877][ T919] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 45.546879][ T919] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 45.546882][ T919] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.546884][ T919] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 45.546888][ T919] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 45.546890][ T919] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.546893][ T919] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 45.546896][ T919] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 45.546899][ T919] ? netlink_ack (./include/linux/skbuff.h:2718) [ 45.546905][ T919] ? 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)) [ 45.546907][ T919] ? 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)) [ 45.546912][ T919] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 45.546916][ T919] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 45.546918][ T919] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 45.546922][ T919] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 45.546926][ T919] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 45.546930][ T919] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 45.546932][ T919] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 45.546937][ T919] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 45.546940][ T919] ____sys_sendmsg (net/socket.c:2713) [ 45.546942][ T919] ? copy_msghdr_from_user (net/socket.c:2650) [ 45.546944][ T919] ? sock_write_iter (net/socket.c:1269) [ 45.546946][ T919] ? move_addr_to_kernel (net/socket.c:258) [ 45.546953][ T919] ___sys_sendmsg (net/socket.c:2767) [ 45.546956][ T919] ? copy_msghdr_from_user (net/socket.c:2619) [ 45.546971][ T919] __sys_sendmsg (net/socket.c:2799) [ 45.546974][ T919] ? __sys_sendmsg_sock (net/socket.c:2780) [ 45.546980][ T919] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 45.546983][ T919] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 45.546986][ T919] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 45.546989][ T919] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 45.546991][ T919] RIP: 0033:0x7f027753554e [ 45.546995][ T919] 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 [ 45.546997][ T919] RSP: 002b:00007fff6fb78950 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 45.547000][ T919] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f027753554e [ 45.547001][ T919] RDX: 0000000000000000 RSI: 00007fff6fb78a00 RDI: 0000000000000005 [ 45.547002][ T919] RBP: 00007fff6fb78960 R08: 0000000000000000 R09: 0000000000000000 [ 45.547003][ T919] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91054a [ 45.547003][ T919] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007fff6fb790d0 | [ 49.046818][ T12] softirqs last disabled at (691242): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 49.046820][ T12] Preemption disabled at: | [ 49.046821][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 49.046830][ T12] Tainted: [W]=WARN [ 49.046831][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.046833][ T12] Workqueue: netns cleanup_net [ 49.046836][ T12] Call Trace: [ 49.046838][ T12] [ 49.046839][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 49.046845][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 49.046847][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 49.046852][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 49.046856][ 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) [ 49.046860][ 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)) [ 49.046862][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.046869][ 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) [ 49.046872][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 49.046876][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 49.046879][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 49.046883][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 49.046888][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 49.046892][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.046898][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 49.046901][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.046907][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 49.046911][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 49.046913][ 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)) [ 49.046917][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.046919][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.046923][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 49.046928][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 49.046930][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 49.046935][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 49.046938][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 49.046940][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.046942][ 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) [ 49.046946][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 49.046948][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 49.046951][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 49.046955][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 49.046956][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 49.046958][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.046960][ T12] ? kthread (kernel/kthread.c:436) [ 49.046962][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 49.046965][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 49.046970][ T12] _printk (kernel/printk/printk.c:2504) [ 49.046974][ T12] ? snapshot_read.cold (user.c:?) [ 49.046979][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 49.046983][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 49.046987][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 49.046990][ T12] ? netdev_notice (net/core/dev.c:13194) [ 49.046994][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.046996][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 49.046999][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 49.047001][ 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) [ 49.047004][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 49.047008][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 49.047012][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 49.047015][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 49.047017][ 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)) [ 49.047022][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 49.047026][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 49.047030][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 49.047034][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 49.047038][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 49.047040][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 49.047043][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 49.047048][ T12] cleanup_net (net/core/net_namespace.c:706) [ 49.047052][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 49.047056][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 49.047058][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 49.047061][ T12] process_one_work (kernel/workqueue.c:3387) [ 49.047068][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 49.047071][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 49.047080][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 49.047087][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 49.047090][ T12] kthread (kernel/kthread.c:436) [ 49.047091][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 49.047095][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.047098][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 49.047101][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 49.047105][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 49.047108][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 49.047111][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 51.343478][ T1069] softirqs last disabled at (19218): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 51.343481][ T1069] Preemption disabled at: | [ 51.343482][ T1069] vprintk_emit (kernel/printk/printk.c:2471) | [ 51.343491][ T1069] Tainted: [W]=WARN [ 51.343492][ T1069] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 51.343494][ T1069] Call Trace: [ 51.343495][ T1069] [ 51.343497][ T1069] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 51.343503][ T1069] ? vprintk_emit (kernel/printk/printk.c:2471) [ 51.343504][ T1069] __might_resched.cold (kernel/sched/core.c:9234) [ 51.343509][ T1069] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 51.343513][ T1069] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 51.343517][ T1069] __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)) [ 51.343519][ T1069] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.343526][ T1069] ? 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) [ 51.343528][ T1069] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 51.343533][ T1069] put_chars (drivers/char/virtio_console.c:1176) [ 51.343535][ T1069] ? __send_to_port (drivers/char/virtio_console.c:654) [ 51.343541][ T1069] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 51.343549][ T1069] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 51.343552][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.343557][ T1069] console_emit_next_record (kernel/printk/printk.c:3183) [ 51.343561][ T1069] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 51.343563][ T1069] ? 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)) [ 51.343566][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.343569][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.343573][ T1069] console_flush_one_record (kernel/printk/printk.c:3268) [ 51.343577][ T1069] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 51.343579][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.343585][ T1069] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 51.343587][ T1069] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 51.343589][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.343591][ T1069] ? 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) [ 51.343595][ T1069] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 51.343596][ T1069] ? vprintk_emit (kernel/printk/printk.c:2478) [ 51.343599][ T1069] vprintk_emit (kernel/printk/printk.c:2479) [ 51.343603][ T1069] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 51.343605][ T1069] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 51.343610][ T1069] _printk (kernel/printk/printk.c:2504) [ 51.343614][ T1069] ? snapshot_read.cold (user.c:?) [ 51.343615][ T1069] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.343618][ T1069] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 51.343621][ T1069] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 51.343623][ T1069] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 51.343627][ T1069] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 51.343630][ T1069] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 51.343632][ T1069] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 51.343635][ T1069] ? netdev_notice (net/core/dev.c:13194) [ 51.343638][ T1069] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 51.343641][ T1069] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 51.343643][ T1069] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 51.343647][ T1069] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 51.343649][ T1069] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 51.343651][ T1069] ? register_netdev (net/core/dev.c:11618) [ 51.343652][ T1069] ? 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)) [ 51.343658][ T1069] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 51.343660][ T1069] ? __kernel_text_address (kernel/extable.c:79) [ 51.343663][ T1069] ? write_profile (profile.c:?) [ 51.343667][ T1069] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 51.343673][ T1069] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 51.343677][ T1069] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 51.343679][ T1069] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 51.343680][ T1069] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 51.343682][ T1069] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 51.343685][ T1069] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 51.343687][ T1069] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 51.343689][ T1069] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 51.343691][ T1069] ? kasan_save_stack (mm/kasan/common.c:58) [ 51.343696][ T1069] ? kasan_save_stack (mm/kasan/common.c:57) [ 51.343698][ T1069] ? kasan_save_track (mm/kasan/common.c:78) [ 51.343699][ T1069] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 51.343702][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.343703][ T1069] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 51.343707][ T1069] ? ___sys_sendmsg (net/socket.c:2758) [ 51.343711][ T1069] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.343713][ T1069] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 51.343716][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.343717][ T1069] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 51.343719][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.343720][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.343722][ T1069] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 51.343724][ T1069] ? __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) [ 51.343725][ T1069] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 51.343727][ T1069] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 51.343730][ T1069] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 51.343731][ T1069] ? nla_get_range_signed (lib/nlattr.c:270) [ 51.343736][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.343738][ T1069] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 51.343744][ T1069] rtnl_newlink (net/core/rtnetlink.c:4215) [ 51.343749][ T1069] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 51.343751][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.343755][ T1069] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.343757][ T1069] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 51.343759][ T1069] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 51.343761][ T1069] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 51.343765][ T1069] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 51.343767][ T1069] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 51.343770][ T1069] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 51.343771][ T1069] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 51.343776][ T1069] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 51.343778][ T1069] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 51.343781][ T1069] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 51.343784][ T1069] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 51.343787][ T1069] ? netlink_ack (./include/linux/skbuff.h:2718) [ 51.343794][ T1069] ? 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)) [ 51.343796][ T1069] ? 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)) [ 51.343800][ T1069] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 51.343804][ T1069] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 51.343807][ T1069] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 51.343811][ T1069] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 51.343815][ T1069] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 51.343819][ T1069] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 51.343820][ T1069] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 51.343825][ T1069] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 51.343828][ T1069] ____sys_sendmsg (net/socket.c:2713) [ 51.343831][ T1069] ? copy_msghdr_from_user (net/socket.c:2650) [ 51.343833][ T1069] ? sock_write_iter (net/socket.c:1269) [ 51.343834][ T1069] ? move_addr_to_kernel (net/socket.c:258) [ 51.343842][ T1069] ___sys_sendmsg (net/socket.c:2767) [ 51.343845][ T1069] ? copy_msghdr_from_user (net/socket.c:2619) [ 51.343860][ T1069] __sys_sendmsg (net/socket.c:2799) [ 51.343863][ T1069] ? __sys_sendmsg_sock (net/socket.c:2780) [ 51.343869][ T1069] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 51.343872][ T1069] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 51.343875][ T1069] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 51.343878][ T1069] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 51.343881][ T1069] RIP: 0033:0x7f20ea4a754e [ 51.343884][ T1069] 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 [ 51.343886][ T1069] RSP: 002b:00007ffee3554e80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 51.343889][ T1069] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f20ea4a754e [ 51.343890][ T1069] RDX: 0000000000000000 RSI: 00007ffee3554f30 RDI: 0000000000000005 [ 51.343891][ T1069] RBP: 00007ffee3554e90 R08: 0000000000000000 R09: 0000000000000000 [ 51.343892][ T1069] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910550 [ 51.343893][ T1069] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffee3555600 | [ 54.748048][ T12] softirqs last disabled at (872020): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 54.748051][ T12] Preemption disabled at: | [ 54.748052][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 54.748060][ T12] Tainted: [W]=WARN [ 54.748061][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 54.748063][ T12] Workqueue: netns cleanup_net [ 54.748066][ T12] Call Trace: [ 54.748068][ T12] [ 54.748069][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 54.748076][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 54.748077][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 54.748082][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 54.748086][ 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) [ 54.748091][ 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)) [ 54.748093][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 54.748100][ 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) [ 54.748103][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 54.748107][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 54.748110][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 54.748111][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 54.748115][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 54.748117][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 54.748123][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 54.748127][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 54.748132][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 54.748136][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.748140][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 54.748145][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 54.748147][ 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)) [ 54.748151][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.748153][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.748158][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 54.748163][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 54.748165][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 54.748170][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 54.748178][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 54.748180][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.748182][ 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) [ 54.748186][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 54.748188][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 54.748191][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 54.748194][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 54.748195][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 54.748197][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 54.748199][ T12] ? kthread (kernel/kthread.c:436) [ 54.748201][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 54.748205][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 54.748210][ T12] _printk (kernel/printk/printk.c:2504) [ 54.748213][ T12] ? snapshot_read.cold (user.c:?) [ 54.748218][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 54.748222][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 54.748226][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 54.748229][ T12] ? netdev_notice (net/core/dev.c:13194) [ 54.748234][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.748236][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 54.748238][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 54.748240][ 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) [ 54.748243][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 54.748247][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 54.748251][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 54.748255][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 54.748256][ 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)) [ 54.748262][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 54.748266][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 54.748269][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 54.748273][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 54.748277][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 54.748278][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 54.748282][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 54.748287][ T12] cleanup_net (net/core/net_namespace.c:706) [ 54.748290][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 54.748294][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 54.748296][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 54.748300][ T12] process_one_work (kernel/workqueue.c:3387) [ 54.748307][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 54.748310][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 54.748318][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 54.748326][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 54.748328][ T12] kthread (kernel/kthread.c:436) [ 54.748330][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 54.748333][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 54.748336][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 54.748339][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 54.748342][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 54.748346][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 54.748349][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 56.944475][ T1201] softirqs last disabled at (28332): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 56.944479][ T1201] Preemption disabled at: | [ 56.944480][ T1201] vprintk_emit (kernel/printk/printk.c:2471) | [ 56.944491][ T1201] Tainted: [W]=WARN [ 56.944492][ T1201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.944495][ T1201] Call Trace: [ 56.944497][ T1201] [ 56.944499][ T1201] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 56.944506][ T1201] ? vprintk_emit (kernel/printk/printk.c:2471) [ 56.944509][ T1201] __might_resched.cold (kernel/sched/core.c:9234) [ 56.944515][ T1201] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 56.944521][ T1201] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 56.944528][ T1201] __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)) [ 56.944531][ T1201] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.944540][ T1201] ? 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) [ 56.944544][ T1201] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 56.944550][ T1201] put_chars (drivers/char/virtio_console.c:1176) [ 56.944554][ T1201] ? __send_to_port (drivers/char/virtio_console.c:654) [ 56.944566][ T1201] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 56.944578][ T1201] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 56.944583][ T1201] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.944590][ T1201] console_emit_next_record (kernel/printk/printk.c:3183) [ 56.944597][ T1201] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 56.944599][ T1201] ? 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)) [ 56.944605][ T1201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.944609][ T1201] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.944616][ T1201] console_flush_one_record (kernel/printk/printk.c:3268) [ 56.944623][ T1201] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 56.944625][ T1201] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 56.944635][ T1201] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 56.944639][ T1201] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 56.944642][ T1201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.944645][ T1201] ? 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) [ 56.944651][ T1201] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 56.944654][ T1201] ? vprintk_emit (kernel/printk/printk.c:2478) [ 56.944659][ T1201] vprintk_emit (kernel/printk/printk.c:2479) [ 56.944664][ T1201] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 56.944669][ T1201] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 56.944677][ T1201] _printk (kernel/printk/printk.c:2504) [ 56.944682][ T1201] ? snapshot_read.cold (user.c:?) [ 56.944685][ T1201] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 56.944689][ T1201] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 56.944697][ T1201] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 56.944701][ T1201] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 56.944706][ T1201] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 56.944710][ T1201] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 56.944714][ T1201] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 56.944718][ T1201] ? netdev_notice (net/core/dev.c:13194) [ 56.944723][ T1201] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.944728][ T1201] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 56.944732][ T1201] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 56.944738][ T1201] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 56.944741][ T1201] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 56.944745][ T1201] ? register_netdev (net/core/dev.c:11618) [ 56.944747][ T1201] ? 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)) [ 56.944755][ T1201] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 56.944759][ T1201] ? __kernel_text_address (kernel/extable.c:79) [ 56.944763][ T1201] ? write_profile (profile.c:?) [ 56.944769][ T1201] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 56.944778][ T1201] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 56.944784][ T1201] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 56.944787][ T1201] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 56.944789][ T1201] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 56.944792][ T1201] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 56.944797][ T1201] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 56.944800][ T1201] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 56.944803][ T1201] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 56.944807][ T1201] ? kasan_save_stack (mm/kasan/common.c:58) [ 56.944810][ T1201] ? kasan_save_stack (mm/kasan/common.c:57) [ 56.944812][ T1201] ? kasan_save_track (mm/kasan/common.c:78) [ 56.944814][ T1201] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 56.944818][ T1201] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 56.944821][ T1201] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 56.944825][ T1201] ? ___sys_sendmsg (net/socket.c:2758) [ 56.944831][ T1201] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 56.944834][ T1201] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 56.944839][ T1201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.944842][ T1201] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 56.944844][ T1201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.944846][ T1201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.944849][ T1201] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 56.944853][ T1201] ? __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) [ 56.944855][ T1201] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 56.944859][ T1201] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 56.944865][ T1201] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 56.944867][ T1201] ? nla_get_range_signed (lib/nlattr.c:270) [ 56.944874][ T1201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.944878][ T1201] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 56.944888][ T1201] rtnl_newlink (net/core/rtnetlink.c:4215) [ 56.944898][ T1201] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 56.944901][ T1201] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 56.944909][ T1201] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 56.944912][ T1201] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.944915][ T1201] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 56.944918][ T1201] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 56.944924][ T1201] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 56.944928][ T1201] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 56.944933][ T1201] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 56.944935][ T1201] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 56.944943][ T1201] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 56.944946][ T1201] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.944952][ T1201] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 56.944956][ T1201] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 56.944961][ T1201] ? netlink_ack (./include/linux/skbuff.h:2718) [ 56.944972][ T1201] ? 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)) [ 56.944976][ T1201] ? 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)) [ 56.944984][ T1201] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 56.944990][ T1201] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 56.944994][ T1201] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 56.945002][ T1201] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 56.945009][ T1201] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 56.945015][ T1201] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 56.945018][ T1201] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 56.945026][ T1201] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 56.945031][ T1201] ____sys_sendmsg (net/socket.c:2713) [ 56.945034][ T1201] ? copy_msghdr_from_user (net/socket.c:2650) [ 56.945038][ T1201] ? sock_write_iter (net/socket.c:1269) [ 56.945040][ T1201] ? move_addr_to_kernel (net/socket.c:258) [ 56.945054][ T1201] ___sys_sendmsg (net/socket.c:2767) [ 56.945058][ T1201] ? copy_msghdr_from_user (net/socket.c:2619) [ 56.945088][ T1201] __sys_sendmsg (net/socket.c:2799) [ 56.945092][ T1201] ? __sys_sendmsg_sock (net/socket.c:2780) [ 56.945103][ T1201] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 56.945109][ T1201] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 56.945113][ T1201] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 56.945117][ T1201] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 56.945121][ T1201] RIP: 0033:0x7fbf0a3a854e [ 56.945126][ T1201] 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 [ 56.945128][ T1201] RSP: 002b:00007ffffb670910 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 56.945132][ T1201] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fbf0a3a854e [ 56.945134][ T1201] RDX: 0000000000000000 RSI: 00007ffffb6709c0 RDI: 0000000000000005 [ 56.945135][ T1201] RBP: 00007ffffb670920 R08: 0000000000000000 R09: 0000000000000000 [ 56.945137][ T1201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910556 [ 56.945138][ T1201] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffffb671090 | [ 61.789568][ T1321] softirqs last disabled at (29336): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 61.789571][ T1321] Preemption disabled at: | [ 61.789571][ T1321] vprintk_emit (kernel/printk/printk.c:2471) | [ 61.789580][ T1321] Tainted: [W]=WARN [ 61.789581][ T1321] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 61.789583][ T1321] Call Trace: [ 61.789585][ T1321] [ 61.789586][ T1321] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 61.789592][ T1321] ? vprintk_emit (kernel/printk/printk.c:2471) [ 61.789594][ T1321] __might_resched.cold (kernel/sched/core.c:9234) [ 61.789598][ T1321] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 61.789603][ T1321] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 61.789607][ T1321] __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)) [ 61.789609][ T1321] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.789615][ T1321] ? 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) [ 61.789618][ T1321] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 61.789622][ T1321] put_chars (drivers/char/virtio_console.c:1176) [ 61.789625][ T1321] ? __send_to_port (drivers/char/virtio_console.c:654) [ 61.789631][ T1321] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 61.789639][ T1321] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 61.789642][ T1321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.789647][ T1321] console_emit_next_record (kernel/printk/printk.c:3183) [ 61.789651][ T1321] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 61.789653][ T1321] ? 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)) [ 61.789656][ T1321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.789659][ T1321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.789663][ T1321] console_flush_one_record (kernel/printk/printk.c:3268) [ 61.789667][ T1321] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 61.789669][ T1321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 61.789674][ T1321] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 61.789677][ T1321] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 61.789679][ T1321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.789681][ T1321] ? 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) [ 61.789685][ T1321] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 61.789686][ T1321] ? vprintk_emit (kernel/printk/printk.c:2478) [ 61.789689][ T1321] vprintk_emit (kernel/printk/printk.c:2479) [ 61.789692][ T1321] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 61.789699][ T1321] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 61.789704][ T1321] _printk (kernel/printk/printk.c:2504) [ 61.789707][ T1321] ? snapshot_read.cold (user.c:?) [ 61.789709][ T1321] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 61.789712][ T1321] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 61.789714][ T1321] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 61.789717][ T1321] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 61.789721][ T1321] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 61.789724][ T1321] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 61.789726][ T1321] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 61.789729][ T1321] ? netdev_notice (net/core/dev.c:13194) [ 61.789731][ T1321] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 61.789734][ T1321] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 61.789737][ T1321] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 61.789741][ T1321] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 61.789743][ T1321] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 61.789745][ T1321] ? register_netdev (net/core/dev.c:11618) [ 61.789746][ T1321] ? 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)) [ 61.789752][ T1321] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 61.789754][ T1321] ? __kernel_text_address (kernel/extable.c:79) [ 61.789757][ T1321] ? write_profile (profile.c:?) [ 61.789761][ T1321] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 61.789767][ T1321] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 61.789770][ T1321] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 61.789772][ T1321] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 61.789774][ T1321] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 61.789776][ T1321] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 61.789779][ T1321] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 61.789781][ T1321] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 61.789783][ T1321] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 61.789785][ T1321] ? kasan_save_stack (mm/kasan/common.c:58) [ 61.789787][ T1321] ? kasan_save_stack (mm/kasan/common.c:57) [ 61.789788][ T1321] ? kasan_save_track (mm/kasan/common.c:78) [ 61.789790][ T1321] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 61.789792][ T1321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 61.789794][ T1321] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 61.789797][ T1321] ? ___sys_sendmsg (net/socket.c:2758) [ 61.789801][ T1321] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 61.789803][ T1321] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 61.789806][ T1321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.789807][ T1321] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 61.789809][ T1321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.789810][ T1321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.789812][ T1321] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 61.789814][ T1321] ? __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) [ 61.789815][ T1321] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 61.789817][ T1321] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 61.789821][ T1321] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 61.789822][ T1321] ? nla_get_range_signed (lib/nlattr.c:270) [ 61.789827][ T1321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.789829][ T1321] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 61.789834][ T1321] rtnl_newlink (net/core/rtnetlink.c:4215) [ 61.789839][ T1321] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 61.789841][ T1321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 61.789846][ T1321] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 61.789848][ T1321] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 61.789850][ T1321] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 61.789852][ T1321] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 61.789855][ T1321] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 61.789858][ T1321] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 61.789861][ T1321] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 61.789862][ T1321] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 61.789867][ T1321] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 61.789869][ T1321] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 61.789872][ T1321] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 61.789875][ T1321] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 61.789878][ T1321] ? netlink_ack (./include/linux/skbuff.h:2718) [ 61.789885][ T1321] ? 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)) [ 61.789887][ T1321] ? 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)) [ 61.789891][ T1321] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 61.789895][ T1321] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 61.789898][ T1321] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 61.789902][ T1321] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 61.789906][ T1321] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 61.789910][ T1321] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 61.789912][ T1321] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 61.789917][ T1321] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 61.789920][ T1321] ____sys_sendmsg (net/socket.c:2713) [ 61.789923][ T1321] ? copy_msghdr_from_user (net/socket.c:2650) [ 61.789925][ T1321] ? sock_write_iter (net/socket.c:1269) [ 61.789926][ T1321] ? move_addr_to_kernel (net/socket.c:258) [ 61.789934][ T1321] ___sys_sendmsg (net/socket.c:2767) [ 61.789937][ T1321] ? copy_msghdr_from_user (net/socket.c:2619) [ 61.789953][ T1321] __sys_sendmsg (net/socket.c:2799) [ 61.789956][ T1321] ? __sys_sendmsg_sock (net/socket.c:2780) [ 61.789962][ T1321] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 61.789965][ T1321] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 61.789968][ T1321] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 61.789971][ T1321] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 61.789973][ T1321] RIP: 0033:0x7f382ade454e [ 61.789977][ T1321] 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 [ 61.789979][ T1321] RSP: 002b:00007ffe76afb290 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 61.789982][ T1321] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f382ade454e [ 61.789984][ T1321] RDX: 0000000000000000 RSI: 00007ffe76afb340 RDI: 0000000000000005 [ 61.789984][ T1321] RBP: 00007ffe76afb2a0 R08: 0000000000000000 R09: 0000000000000000 [ 61.789985][ T1321] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91055b [ 61.789986][ T1321] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffe76afba10 | [ 66.576487][ T1440] softirqs last disabled at (29142): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 66.576490][ T1440] Preemption disabled at: | [ 66.576491][ T1440] vprintk_emit (kernel/printk/printk.c:2471) | [ 66.576499][ T1440] Tainted: [W]=WARN [ 66.576500][ T1440] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 66.576502][ T1440] Call Trace: [ 66.576504][ T1440] [ 66.576506][ T1440] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 66.576512][ T1440] ? vprintk_emit (kernel/printk/printk.c:2471) [ 66.576513][ T1440] __might_resched.cold (kernel/sched/core.c:9234) [ 66.576518][ T1440] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 66.576522][ T1440] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 66.576526][ T1440] __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)) [ 66.576528][ T1440] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.576535][ T1440] ? 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) [ 66.576538][ T1440] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 66.576542][ T1440] put_chars (drivers/char/virtio_console.c:1176) [ 66.576544][ T1440] ? __send_to_port (drivers/char/virtio_console.c:654) [ 66.576551][ T1440] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 66.576558][ T1440] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 66.576562][ T1440] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.576566][ T1440] console_emit_next_record (kernel/printk/printk.c:3183) [ 66.576570][ T1440] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 66.576572][ T1440] ? 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)) [ 66.576575][ T1440] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.576578][ T1440] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.576582][ T1440] console_flush_one_record (kernel/printk/printk.c:3268) [ 66.576586][ T1440] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 66.576588][ T1440] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.576593][ T1440] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 66.576596][ T1440] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 66.576598][ T1440] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.576600][ T1440] ? 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) [ 66.576603][ T1440] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 66.576605][ T1440] ? vprintk_emit (kernel/printk/printk.c:2478) [ 66.576608][ T1440] vprintk_emit (kernel/printk/printk.c:2479) [ 66.576611][ T1440] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 66.576614][ T1440] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 66.576619][ T1440] _printk (kernel/printk/printk.c:2504) [ 66.576622][ T1440] ? snapshot_read.cold (user.c:?) [ 66.576624][ T1440] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 66.576626][ T1440] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 66.576629][ T1440] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 66.576631][ T1440] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 66.576635][ T1440] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 66.576638][ T1440] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 66.576640][ T1440] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 66.576643][ T1440] ? netdev_notice (net/core/dev.c:13194) [ 66.576646][ T1440] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.576649][ T1440] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.576651][ T1440] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 66.576655][ T1440] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 66.576657][ T1440] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 66.576659][ T1440] ? register_netdev (net/core/dev.c:11618) [ 66.576660][ T1440] ? 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)) [ 66.576666][ T1440] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 66.576668][ T1440] ? __kernel_text_address (kernel/extable.c:79) [ 66.576671][ T1440] ? write_profile (profile.c:?) [ 66.576675][ T1440] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 66.576681][ T1440] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 66.576684][ T1440] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 66.576686][ T1440] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 66.576688][ T1440] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 66.576689][ T1440] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 66.576693][ T1440] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 66.576698][ T1440] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 66.576700][ T1440] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 66.576702][ T1440] ? kasan_save_stack (mm/kasan/common.c:58) [ 66.576704][ T1440] ? kasan_save_stack (mm/kasan/common.c:57) [ 66.576705][ T1440] ? kasan_save_track (mm/kasan/common.c:78) [ 66.576707][ T1440] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 66.576709][ T1440] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.576711][ T1440] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 66.576714][ T1440] ? ___sys_sendmsg (net/socket.c:2758) [ 66.576718][ T1440] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.576720][ T1440] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 66.576723][ T1440] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.576724][ T1440] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 66.576726][ T1440] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.576727][ T1440] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.576729][ T1440] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 66.576731][ T1440] ? __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) [ 66.576732][ T1440] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 66.576734][ T1440] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 66.576737][ T1440] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 66.576739][ T1440] ? nla_get_range_signed (lib/nlattr.c:270) [ 66.576744][ T1440] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.576746][ T1440] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 66.576751][ T1440] rtnl_newlink (net/core/rtnetlink.c:4215) [ 66.576756][ T1440] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.576758][ T1440] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.576763][ T1440] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.576765][ T1440] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.576766][ T1440] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.576768][ T1440] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.576772][ T1440] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 66.576774][ T1440] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 66.576777][ T1440] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 66.576778][ T1440] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 66.576783][ T1440] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 66.576785][ T1440] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.576788][ T1440] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 66.576791][ T1440] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 66.576794][ T1440] ? netlink_ack (./include/linux/skbuff.h:2718) [ 66.576800][ T1440] ? 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)) [ 66.576803][ T1440] ? 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)) [ 66.576807][ T1440] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 66.576811][ T1440] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 66.576813][ T1440] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 66.576818][ T1440] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 66.576821][ T1440] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 66.576825][ T1440] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 66.576827][ T1440] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 66.576832][ T1440] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 66.576835][ T1440] ____sys_sendmsg (net/socket.c:2713) [ 66.576837][ T1440] ? copy_msghdr_from_user (net/socket.c:2650) [ 66.576839][ T1440] ? sock_write_iter (net/socket.c:1269) [ 66.576841][ T1440] ? move_addr_to_kernel (net/socket.c:258) [ 66.576848][ T1440] ___sys_sendmsg (net/socket.c:2767) [ 66.576851][ T1440] ? copy_msghdr_from_user (net/socket.c:2619) [ 66.576866][ T1440] __sys_sendmsg (net/socket.c:2799) [ 66.576869][ T1440] ? __sys_sendmsg_sock (net/socket.c:2780) [ 66.576875][ T1440] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 66.576878][ T1440] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 66.576881][ T1440] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 66.576884][ T1440] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 66.576886][ T1440] RIP: 0033:0x7fc2daddd54e [ 66.576890][ T1440] 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 [ 66.576892][ T1440] RSP: 002b:00007ffd4347bfe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 66.576895][ T1440] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fc2daddd54e [ 66.576896][ T1440] RDX: 0000000000000000 RSI: 00007ffd4347c090 RDI: 0000000000000005 [ 66.576897][ T1440] RBP: 00007ffd4347bff0 R08: 0000000000000000 R09: 0000000000000000 [ 66.576898][ T1440] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91055f [ 66.576899][ T1440] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd4347c760 | [ 71.125187][ T1557] softirqs last disabled at (23984): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 71.125190][ T1557] Preemption disabled at: | [ 71.125191][ T1557] vprintk_emit (kernel/printk/printk.c:2471) | [ 71.125199][ T1557] Tainted: [W]=WARN [ 71.125200][ T1557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 71.125201][ T1557] Call Trace: [ 71.125203][ T1557] [ 71.125205][ T1557] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 71.125211][ T1557] ? vprintk_emit (kernel/printk/printk.c:2471) [ 71.125212][ T1557] __might_resched.cold (kernel/sched/core.c:9234) [ 71.125217][ T1557] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 71.125221][ T1557] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 71.125225][ T1557] __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)) [ 71.125227][ T1557] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.125240][ T1557] ? 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) [ 71.125243][ T1557] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 71.125247][ T1557] put_chars (drivers/char/virtio_console.c:1176) [ 71.125250][ T1557] ? __send_to_port (drivers/char/virtio_console.c:654) [ 71.125256][ T1557] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 71.125263][ T1557] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 71.125267][ T1557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.125271][ T1557] console_emit_next_record (kernel/printk/printk.c:3183) [ 71.125275][ T1557] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 71.125277][ T1557] ? 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)) [ 71.125280][ T1557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.125283][ T1557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.125287][ T1557] console_flush_one_record (kernel/printk/printk.c:3268) [ 71.125291][ T1557] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 71.125293][ T1557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 71.125298][ T1557] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 71.125301][ T1557] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 71.125303][ T1557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.125304][ T1557] ? 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) [ 71.125308][ T1557] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 71.125310][ T1557] ? vprintk_emit (kernel/printk/printk.c:2478) [ 71.125313][ T1557] vprintk_emit (kernel/printk/printk.c:2479) [ 71.125316][ T1557] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 71.125318][ T1557] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 71.125323][ T1557] _printk (kernel/printk/printk.c:2504) [ 71.125327][ T1557] ? snapshot_read.cold (user.c:?) [ 71.125328][ T1557] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 71.125331][ T1557] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 71.125334][ T1557] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 71.125336][ T1557] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 71.125340][ T1557] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 71.125343][ T1557] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 71.125345][ T1557] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 71.125348][ T1557] ? netdev_notice (net/core/dev.c:13194) [ 71.125351][ T1557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 71.125354][ T1557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 71.125356][ T1557] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 71.125360][ T1557] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 71.125362][ T1557] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 71.125364][ T1557] ? register_netdev (net/core/dev.c:11618) [ 71.125365][ T1557] ? 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)) [ 71.125370][ T1557] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 71.125373][ T1557] ? __kernel_text_address (kernel/extable.c:79) [ 71.125376][ T1557] ? write_profile (profile.c:?) [ 71.125380][ T1557] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 71.125385][ T1557] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 71.125388][ T1557] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 71.125390][ T1557] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 71.125392][ T1557] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 71.125394][ T1557] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 71.125397][ T1557] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 71.125399][ T1557] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 71.125401][ T1557] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 71.125403][ T1557] ? kasan_save_stack (mm/kasan/common.c:58) [ 71.125405][ T1557] ? kasan_save_stack (mm/kasan/common.c:57) [ 71.125406][ T1557] ? kasan_save_track (mm/kasan/common.c:78) [ 71.125408][ T1557] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 71.125410][ T1557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 71.125412][ T1557] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 71.125415][ T1557] ? ___sys_sendmsg (net/socket.c:2758) [ 71.125419][ T1557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 71.125421][ T1557] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 71.125423][ T1557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.125425][ T1557] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 71.125427][ T1557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.125428][ T1557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.125429][ T1557] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 71.125432][ T1557] ? __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) [ 71.125433][ T1557] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 71.125435][ T1557] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 71.125438][ T1557] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 71.125439][ T1557] ? nla_get_range_signed (lib/nlattr.c:270) [ 71.125444][ T1557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.125446][ T1557] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 71.125451][ T1557] rtnl_newlink (net/core/rtnetlink.c:4215) [ 71.125457][ T1557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 71.125459][ T1557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 71.125463][ T1557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 71.125465][ T1557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 71.125467][ T1557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 71.125469][ T1557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 71.125473][ T1557] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 71.125475][ T1557] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 71.125478][ T1557] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 71.125479][ T1557] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 71.125484][ T1557] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 71.125486][ T1557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 71.125489][ T1557] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 71.125492][ T1557] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 71.125495][ T1557] ? netlink_ack (./include/linux/skbuff.h:2718) [ 71.125501][ T1557] ? 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)) [ 71.125503][ T1557] ? 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)) [ 71.125508][ T1557] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 71.125512][ T1557] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 71.125514][ T1557] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 71.125518][ T1557] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 71.125522][ T1557] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 71.125526][ T1557] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 71.125528][ T1557] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 71.125533][ T1557] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 71.125536][ T1557] ____sys_sendmsg (net/socket.c:2713) [ 71.125538][ T1557] ? copy_msghdr_from_user (net/socket.c:2650) [ 71.125540][ T1557] ? sock_write_iter (net/socket.c:1269) [ 71.125542][ T1557] ? move_addr_to_kernel (net/socket.c:258) [ 71.125549][ T1557] ___sys_sendmsg (net/socket.c:2767) [ 71.125552][ T1557] ? copy_msghdr_from_user (net/socket.c:2619) [ 71.125568][ T1557] __sys_sendmsg (net/socket.c:2799) [ 71.125570][ T1557] ? __sys_sendmsg_sock (net/socket.c:2780) [ 71.125576][ T1557] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 71.125579][ T1557] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 71.125583][ T1557] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 71.125585][ T1557] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 71.125588][ T1557] RIP: 0033:0x7ff8e349d54e [ 71.125591][ T1557] 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 [ 71.125593][ T1557] RSP: 002b:00007ffd61c77880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 71.125596][ T1557] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007ff8e349d54e [ 71.125597][ T1557] RDX: 0000000000000000 RSI: 00007ffd61c77930 RDI: 0000000000000005 [ 71.125598][ T1557] RBP: 00007ffd61c77890 R08: 0000000000000000 R09: 0000000000000000 [ 71.125599][ T1557] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910564 [ 71.125600][ T1557] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd61c78000 | [ 77.944273][ T1678] softirqs last disabled at (28876): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 77.944276][ T1678] Preemption disabled at: | [ 77.944277][ T1678] vprintk_emit (kernel/printk/printk.c:2471) | [ 77.944286][ T1678] Tainted: [W]=WARN [ 77.944287][ T1678] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 77.944288][ T1678] Call Trace: [ 77.944290][ T1678] [ 77.944291][ T1678] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 77.944297][ T1678] ? vprintk_emit (kernel/printk/printk.c:2471) [ 77.944299][ T1678] __might_resched.cold (kernel/sched/core.c:9234) [ 77.944303][ T1678] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 77.944308][ T1678] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 77.944312][ T1678] __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)) [ 77.944314][ T1678] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.944321][ T1678] ? 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) [ 77.944323][ T1678] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 77.944327][ T1678] put_chars (drivers/char/virtio_console.c:1176) [ 77.944330][ T1678] ? __send_to_port (drivers/char/virtio_console.c:654) [ 77.944336][ T1678] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 77.944343][ T1678] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 77.944346][ T1678] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.944351][ T1678] console_emit_next_record (kernel/printk/printk.c:3183) [ 77.944355][ T1678] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 77.944357][ T1678] ? 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)) [ 77.944360][ T1678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.944363][ T1678] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.944367][ T1678] console_flush_one_record (kernel/printk/printk.c:3268) [ 77.944371][ T1678] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 77.944373][ T1678] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 77.944378][ T1678] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 77.944381][ T1678] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 77.944383][ T1678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.944384][ T1678] ? 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) [ 77.944388][ T1678] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 77.944390][ T1678] ? vprintk_emit (kernel/printk/printk.c:2478) [ 77.944392][ T1678] vprintk_emit (kernel/printk/printk.c:2479) [ 77.944396][ T1678] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 77.944398][ T1678] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 77.944403][ T1678] _printk (kernel/printk/printk.c:2504) [ 77.944407][ T1678] ? snapshot_read.cold (user.c:?) [ 77.944408][ T1678] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 77.944411][ T1678] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 77.944414][ T1678] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 77.944416][ T1678] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 77.944420][ T1678] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 77.944423][ T1678] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 77.944425][ T1678] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 77.944428][ T1678] ? netdev_notice (net/core/dev.c:13194) [ 77.944431][ T1678] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 77.944434][ T1678] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 77.944436][ T1678] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 77.944440][ T1678] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 77.944442][ T1678] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 77.944444][ T1678] ? register_netdev (net/core/dev.c:11618) [ 77.944445][ T1678] ? 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)) [ 77.944450][ T1678] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 77.944453][ T1678] ? __kernel_text_address (kernel/extable.c:79) [ 77.944455][ T1678] ? write_profile (profile.c:?) [ 77.944459][ T1678] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 77.944465][ T1678] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 77.944468][ T1678] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 77.944470][ T1678] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 77.944472][ T1678] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 77.944474][ T1678] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 77.944477][ T1678] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 77.944479][ T1678] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 77.944480][ T1678] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 77.944483][ T1678] ? kasan_save_stack (mm/kasan/common.c:58) [ 77.944485][ T1678] ? kasan_save_stack (mm/kasan/common.c:57) [ 77.944486][ T1678] ? kasan_save_track (mm/kasan/common.c:78) [ 77.944487][ T1678] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 77.944490][ T1678] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 77.944491][ T1678] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 77.944495][ T1678] ? ___sys_sendmsg (net/socket.c:2758) [ 77.944498][ T1678] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 77.944501][ T1678] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 77.944503][ T1678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.944505][ T1678] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 77.944507][ T1678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.944508][ T1678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.944509][ T1678] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 77.944512][ T1678] ? __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) [ 77.944513][ T1678] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 77.944515][ T1678] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 77.944518][ T1678] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 77.944519][ T1678] ? nla_get_range_signed (lib/nlattr.c:270) [ 77.944524][ T1678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.944526][ T1678] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 77.944531][ T1678] rtnl_newlink (net/core/rtnetlink.c:4215) [ 77.944536][ T1678] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.944538][ T1678] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 77.944543][ T1678] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 77.944545][ T1678] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 77.944547][ T1678] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.944548][ T1678] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 77.944552][ T1678] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 77.944554][ T1678] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 77.944557][ T1678] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 77.944559][ T1678] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 77.944563][ T1678] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 77.944565][ T1678] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 77.944568][ T1678] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 77.944572][ T1678] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 77.944574][ T1678] ? netlink_ack (./include/linux/skbuff.h:2718) [ 77.944581][ T1678] ? 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)) [ 77.944583][ T1678] ? 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)) [ 77.944587][ T1678] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 77.944591][ T1678] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 77.944594][ T1678] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 77.944598][ T1678] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 77.944602][ T1678] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 77.944605][ T1678] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 77.944607][ T1678] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 77.944612][ T1678] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 77.944615][ T1678] ____sys_sendmsg (net/socket.c:2713) [ 77.944617][ T1678] ? copy_msghdr_from_user (net/socket.c:2650) [ 77.944620][ T1678] ? sock_write_iter (net/socket.c:1269) [ 77.944621][ T1678] ? move_addr_to_kernel (net/socket.c:258) [ 77.944628][ T1678] ___sys_sendmsg (net/socket.c:2767) [ 77.944631][ T1678] ? copy_msghdr_from_user (net/socket.c:2619) [ 77.944647][ T1678] __sys_sendmsg (net/socket.c:2799) [ 77.944650][ T1678] ? __sys_sendmsg_sock (net/socket.c:2780) [ 77.944656][ T1678] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 77.944659][ T1678] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 77.944662][ T1678] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 77.944665][ T1678] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 77.944667][ T1678] RIP: 0033:0x7fe5493be54e [ 77.944671][ T1678] 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 [ 77.944672][ T1678] RSP: 002b:00007ffecfde1660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 77.944675][ T1678] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fe5493be54e [ 77.944676][ T1678] RDX: 0000000000000000 RSI: 00007ffecfde1710 RDI: 0000000000000005 [ 77.944677][ T1678] RBP: 00007ffecfde1670 R08: 0000000000000000 R09: 0000000000000000 [ 77.944678][ T1678] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91056b [ 77.944679][ T1678] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffecfde1de0 | [ 84.824570][ T1813] softirqs last disabled at (24144): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 84.824573][ T1813] Preemption disabled at: | [ 84.824573][ T1813] vprintk_emit (kernel/printk/printk.c:2471) | [ 84.824582][ T1813] Tainted: [W]=WARN [ 84.824582][ T1813] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 84.824584][ T1813] Call Trace: [ 84.824586][ T1813] [ 84.824587][ T1813] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 84.824593][ T1813] ? vprintk_emit (kernel/printk/printk.c:2471) [ 84.824595][ T1813] __might_resched.cold (kernel/sched/core.c:9234) [ 84.824600][ T1813] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 84.824604][ T1813] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 84.824609][ T1813] __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)) [ 84.824611][ T1813] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 84.824618][ T1813] ? 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) [ 84.824620][ T1813] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 84.824624][ T1813] put_chars (drivers/char/virtio_console.c:1176) [ 84.824627][ T1813] ? __send_to_port (drivers/char/virtio_console.c:654) [ 84.824634][ T1813] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 84.824642][ T1813] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 84.824645][ T1813] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.824650][ T1813] console_emit_next_record (kernel/printk/printk.c:3183) [ 84.824654][ T1813] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 84.824656][ T1813] ? 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)) [ 84.824659][ T1813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.824662][ T1813] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.824666][ T1813] console_flush_one_record (kernel/printk/printk.c:3268) [ 84.824670][ T1813] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 84.824672][ T1813] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 84.824678][ T1813] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 84.824681][ T1813] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 84.824683][ T1813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.824684][ T1813] ? 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) [ 84.824688][ T1813] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 84.824690][ T1813] ? vprintk_emit (kernel/printk/printk.c:2478) [ 84.824693][ T1813] vprintk_emit (kernel/printk/printk.c:2479) [ 84.824699][ T1813] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 84.824702][ T1813] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 84.824707][ T1813] _printk (kernel/printk/printk.c:2504) [ 84.824711][ T1813] ? snapshot_read.cold (user.c:?) [ 84.824713][ T1813] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 84.824715][ T1813] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 84.824718][ T1813] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 84.824720][ T1813] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 84.824724][ T1813] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 84.824727][ T1813] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 84.824729][ T1813] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 84.824732][ T1813] ? netdev_notice (net/core/dev.c:13194) [ 84.824735][ T1813] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 84.824738][ T1813] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 84.824741][ T1813] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 84.824744][ T1813] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 84.824746][ T1813] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 84.824748][ T1813] ? register_netdev (net/core/dev.c:11618) [ 84.824750][ T1813] ? 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)) [ 84.824755][ T1813] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 84.824758][ T1813] ? __kernel_text_address (kernel/extable.c:79) [ 84.824760][ T1813] ? write_profile (profile.c:?) [ 84.824764][ T1813] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 84.824770][ T1813] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 84.824774][ T1813] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 84.824776][ T1813] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 84.824777][ T1813] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 84.824779][ T1813] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 84.824782][ T1813] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 84.824784][ T1813] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 84.824786][ T1813] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 84.824789][ T1813] ? kasan_save_stack (mm/kasan/common.c:58) [ 84.824790][ T1813] ? kasan_save_stack (mm/kasan/common.c:57) [ 84.824792][ T1813] ? kasan_save_track (mm/kasan/common.c:78) [ 84.824793][ T1813] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 84.824795][ T1813] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 84.824797][ T1813] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 84.824800][ T1813] ? ___sys_sendmsg (net/socket.c:2758) [ 84.824804][ T1813] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 84.824806][ T1813] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 84.824809][ T1813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.824811][ T1813] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 84.824812][ T1813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.824813][ T1813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.824815][ T1813] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 84.824817][ T1813] ? __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) [ 84.824818][ T1813] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 84.824820][ T1813] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 84.824824][ T1813] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 84.824825][ T1813] ? nla_get_range_signed (lib/nlattr.c:270) [ 84.824830][ T1813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.824832][ T1813] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 84.824837][ T1813] rtnl_newlink (net/core/rtnetlink.c:4215) [ 84.824842][ T1813] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.824844][ T1813] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 84.824849][ T1813] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 84.824851][ T1813] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 84.824853][ T1813] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.824855][ T1813] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 84.824859][ T1813] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 84.824861][ T1813] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 84.824864][ T1813] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 84.824865][ T1813] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 84.824870][ T1813] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 84.824872][ T1813] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 84.824875][ T1813] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 84.824879][ T1813] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 84.824882][ T1813] ? netlink_ack (./include/linux/skbuff.h:2718) [ 84.824888][ T1813] ? 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)) [ 84.824890][ T1813] ? 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)) [ 84.824895][ T1813] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 84.824899][ T1813] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 84.824901][ T1813] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 84.824906][ T1813] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 84.824910][ T1813] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 84.824914][ T1813] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 84.824915][ T1813] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 84.824921][ T1813] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 84.824924][ T1813] ____sys_sendmsg (net/socket.c:2713) [ 84.824926][ T1813] ? copy_msghdr_from_user (net/socket.c:2650) [ 84.824928][ T1813] ? sock_write_iter (net/socket.c:1269) [ 84.824930][ T1813] ? move_addr_to_kernel (net/socket.c:258) [ 84.824937][ T1813] ___sys_sendmsg (net/socket.c:2767) [ 84.824940][ T1813] ? copy_msghdr_from_user (net/socket.c:2619) [ 84.824956][ T1813] __sys_sendmsg (net/socket.c:2799) [ 84.824959][ T1813] ? __sys_sendmsg_sock (net/socket.c:2780) [ 84.824966][ T1813] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 84.824969][ T1813] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 84.824972][ T1813] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 84.824975][ T1813] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 84.824977][ T1813] RIP: 0033:0x7f6005fa354e [ 84.824981][ T1813] 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 [ 84.824983][ T1813] RSP: 002b:00007ffc14e47cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 84.824986][ T1813] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6005fa354e [ 84.824987][ T1813] RDX: 0000000000000000 RSI: 00007ffc14e47d80 RDI: 0000000000000005 [ 84.824988][ T1813] RBP: 00007ffc14e47ce0 R08: 0000000000000000 R09: 0000000000000000 [ 84.824989][ T1813] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910572 [ 84.824989][ T1813] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc14e48450 | [ 89.197825][ T12] softirqs last disabled at (1585124): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 89.197828][ T12] Preemption disabled at: | [ 89.197829][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 89.197837][ T12] Tainted: [W]=WARN [ 89.197838][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 89.197840][ T12] Workqueue: netns cleanup_net [ 89.197843][ T12] Call Trace: [ 89.197845][ T12] [ 89.197847][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 89.197853][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 89.197855][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 89.197860][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 89.197864][ 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) [ 89.197868][ 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)) [ 89.197870][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 89.197877][ 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) [ 89.197880][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 89.197884][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 89.197886][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 89.197888][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 89.197892][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 89.197894][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 89.197900][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 89.197903][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 89.197909][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 89.197912][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.197917][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 89.197921][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 89.197923][ 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)) [ 89.197926][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.197928][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.197932][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 89.197936][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 89.197938][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 89.197944][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 89.197946][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 89.197948][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.197950][ 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) [ 89.197954][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 89.197956][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 89.197958][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 89.197962][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 89.197963][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 89.197965][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 89.197967][ T12] ? kthread (kernel/kthread.c:436) [ 89.197969][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 89.197972][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 89.197977][ T12] _printk (kernel/printk/printk.c:2504) [ 89.197981][ T12] ? snapshot_read.cold (user.c:?) [ 89.197985][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 89.197989][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 89.197993][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 89.197996][ T12] ? netdev_notice (net/core/dev.c:13194) [ 89.198000][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.198002][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 89.198004][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 89.198006][ 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) [ 89.198009][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 89.198013][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 89.198017][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 89.198020][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 89.198022][ 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)) [ 89.198027][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 89.198031][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 89.198034][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 89.198038][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 89.198041][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 89.198043][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 89.198046][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 89.198051][ T12] cleanup_net (net/core/net_namespace.c:706) [ 89.198055][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 89.198058][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 89.198060][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 89.198064][ T12] process_one_work (kernel/workqueue.c:3387) [ 89.198070][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 89.198073][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 89.198081][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 89.198088][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 89.198090][ T12] kthread (kernel/kthread.c:436) [ 89.198092][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 89.198096][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 89.198099][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 89.198101][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 89.198105][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 89.198108][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 89.198111][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 91.233388][ T1959] softirqs last disabled at (30876): netif_change_name (./include/linux/spinlock.h:353 ./include/linux/seqlock.h:908 net/core/dev.c:1499) | [ 91.233391][ T1959] Preemption disabled at: | [ 91.233391][ T1959] vprintk_emit (kernel/printk/printk.c:2471) | [ 91.233400][ T1959] Tainted: [W]=WARN [ 91.233401][ T1959] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 91.233403][ T1959] Call Trace: [ 91.233404][ T1959] [ 91.233406][ T1959] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 91.233412][ T1959] ? vprintk_emit (kernel/printk/printk.c:2471) [ 91.233413][ T1959] __might_resched.cold (kernel/sched/core.c:9234) [ 91.233418][ T1959] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 91.233422][ T1959] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 91.233426][ T1959] __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)) [ 91.233428][ T1959] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 91.233435][ T1959] ? 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) [ 91.233438][ T1959] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 91.233442][ T1959] put_chars (drivers/char/virtio_console.c:1176) [ 91.233444][ T1959] ? __send_to_port (drivers/char/virtio_console.c:654) [ 91.233450][ T1959] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 91.233458][ T1959] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 91.233461][ T1959] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.233466][ T1959] console_emit_next_record (kernel/printk/printk.c:3183) [ 91.233470][ T1959] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 91.233472][ T1959] ? 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)) [ 91.233475][ T1959] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.233478][ T1959] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.233482][ T1959] console_flush_one_record (kernel/printk/printk.c:3268) [ 91.233486][ T1959] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 91.233488][ T1959] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 91.233493][ T1959] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 91.233495][ T1959] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 91.233497][ T1959] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.233499][ T1959] ? 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) [ 91.233503][ T1959] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 91.233504][ T1959] ? vprintk_emit (kernel/printk/printk.c:2478) [ 91.233507][ T1959] vprintk_emit (kernel/printk/printk.c:2479) [ 91.233510][ T1959] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 91.233513][ T1959] ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1227 (discriminator 6)) [ 91.233518][ T1959] _printk (kernel/printk/printk.c:2504) [ 91.233522][ T1959] ? snapshot_read.cold (user.c:?) [ 91.233523][ T1959] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 91.233526][ T1959] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 91.233529][ T1959] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 91.233531][ T1959] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 91.233535][ T1959] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 91.233538][ T1959] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 91.233540][ T1959] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 91.233543][ T1959] ? netdev_notice (net/core/dev.c:13194) [ 91.233546][ T1959] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 91.233549][ T1959] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 91.233551][ T1959] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 91.233555][ T1959] ? do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 91.233557][ T1959] netif_change_name.cold (net/core/dev.c:1507 (discriminator 3)) [ 91.233559][ T1959] ? register_netdev (net/core/dev.c:11618) [ 91.233560][ T1959] ? 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)) [ 91.233565][ T1959] ? netdev_adjacent_rename_links (net/core/dev.c:9598) [ 91.233568][ T1959] ? __kernel_text_address (kernel/extable.c:79) [ 91.233570][ T1959] ? write_profile (profile.c:?) [ 91.233574][ T1959] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1)) [ 91.233580][ T1959] do_setlink.isra.0 (net/core/rtnetlink.c:3246) [ 91.233583][ T1959] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 91.233585][ T1959] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 91.233587][ T1959] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 91.233588][ T1959] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 91.233592][ T1959] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 91.233594][ T1959] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 91.233595][ T1959] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 91.233598][ T1959] ? kasan_save_stack (mm/kasan/common.c:58) [ 91.233599][ T1959] ? kasan_save_stack (mm/kasan/common.c:57) [ 91.233601][ T1959] ? kasan_save_track (mm/kasan/common.c:78) [ 91.233602][ T1959] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 91.233604][ T1959] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 91.233606][ T1959] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 91.233609][ T1959] ? ___sys_sendmsg (net/socket.c:2758) [ 91.233613][ T1959] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 91.233615][ T1959] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 91.233618][ T1959] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.233619][ T1959] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 91.233621][ T1959] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.233622][ T1959] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.233624][ T1959] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 91.233626][ T1959] ? __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) [ 91.233627][ T1959] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 91.233629][ T1959] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 91.233632][ T1959] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 91.233633][ T1959] ? nla_get_range_signed (lib/nlattr.c:270) [ 91.233638][ T1959] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.233640][ T1959] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 91.233646][ T1959] rtnl_newlink (net/core/rtnetlink.c:4215) [ 91.233651][ T1959] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 91.233653][ T1959] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 91.233657][ T1959] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 91.233659][ T1959] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 91.233661][ T1959] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 91.233663][ T1959] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 91.233666][ T1959] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 91.233668][ T1959] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 91.233672][ T1959] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 91.233673][ T1959] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 91.233677][ T1959] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 91.233679][ T1959] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 91.233683][ T1959] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 91.233686][ T1959] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 91.233689][ T1959] ? netlink_ack (./include/linux/skbuff.h:2718) [ 91.233699][ T1959] ? 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)) [ 91.233701][ T1959] ? 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)) [ 91.233705][ T1959] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 91.233709][ T1959] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 91.233711][ T1959] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 91.233716][ T1959] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 91.233719][ T1959] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 91.233723][ T1959] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 91.233725][ T1959] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 91.233730][ T1959] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 91.233732][ T1959] ____sys_sendmsg (net/socket.c:2713) [ 91.233735][ T1959] ? copy_msghdr_from_user (net/socket.c:2650) [ 91.233737][ T1959] ? sock_write_iter (net/socket.c:1269) [ 91.233738][ T1959] ? move_addr_to_kernel (net/socket.c:258) [ 91.233746][ T1959] ___sys_sendmsg (net/socket.c:2767) [ 91.233748][ T1959] ? copy_msghdr_from_user (net/socket.c:2619) [ 91.233764][ T1959] __sys_sendmsg (net/socket.c:2799) [ 91.233766][ T1959] ? __sys_sendmsg_sock (net/socket.c:2780) [ 91.233772][ T1959] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 91.233775][ T1959] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 91.233778][ T1959] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 91.233781][ T1959] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 91.233783][ T1959] RIP: 0033:0x7f06baa6654e [ 91.233787][ T1959] 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 [ 91.233788][ T1959] RSP: 002b:00007ffc540bdb20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 91.233791][ T1959] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f06baa6654e [ 91.233792][ T1959] RDX: 0000000000000000 RSI: 00007ffc540bdbd0 RDI: 0000000000000005 [ 91.233793][ T1959] RBP: 00007ffc540bdb30 R08: 0000000000000000 R09: 0000000000000000 [ 91.233794][ T1959] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a910578 [ 91.233795][ T1959] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffc540be2a0 | [ 95.398195][ T12] softirqs last disabled at (1763404): netlink_release (./include/net/sock.h:2138 net/netlink/af_netlink.c:727) | [ 95.398198][ T12] Preemption disabled at: | [ 95.398199][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 95.398211][ T12] Tainted: [W]=WARN [ 95.398212][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 95.398215][ T12] Workqueue: netns cleanup_net [ 95.398219][ T12] Call Trace: [ 95.398221][ T12] [ 95.398224][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 95.398232][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 95.398235][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 95.398241][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 95.398247][ 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) [ 95.398254][ 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)) [ 95.398257][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 95.398268][ 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) [ 95.398272][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 95.398278][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 95.398282][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 95.398284][ T12] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 95.398290][ T12] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 95.398294][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 95.398302][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 95.398307][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 95.398326][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 95.398332][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.398341][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 95.398347][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 95.398350][ 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)) [ 95.398356][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.398359][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.398366][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 95.398373][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 95.398376][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 95.398386][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 95.398391][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 95.398393][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.398396][ 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) [ 95.398403][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 95.398406][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 95.398411][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 95.398417][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 95.398419][ T12] ? cleanup_net (net/core/net_namespace.c:706) [ 95.398422][ T12] ? worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 95.398424][ T12] ? kthread (kernel/kthread.c:436) [ 95.398427][ T12] ? ret_from_fork (arch/x86/kernel/process.c:158) [ 95.398431][ T12] ? ret_from_fork_asm (arch/x86/entry/entry_64.S:245) [ 95.398439][ T12] _printk (kernel/printk/printk.c:2504) [ 95.398445][ T12] ? snapshot_read.cold (user.c:?) [ 95.398453][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 95.398458][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 95.398465][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 95.398469][ T12] ? netdev_notice (net/core/dev.c:13194) [ 95.398477][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.398480][ T12] ? __up_read (kernel/locking/rwsem.c:1397 (discriminator 1)) [ 95.398484][ T12] ? down_write_nested (kernel/locking/rwsem.c:1759) [ 95.398488][ 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) [ 95.398492][ T12] netif_set_allmulti.cold (net/core/dev.c:9731 (discriminator 3)) [ 95.398500][ T12] dev_set_allmulti (net/core/dev_api.c:315) [ 95.398505][ T12] del_nbp (net/bridge/br_if.c:253 net/bridge/br_if.c:341) [ 95.398510][ T12] ? unregister_netdevice_many (net/core/dev.c:12589) [ 95.398513][ 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)) [ 95.398521][ T12] br_dev_delete (net/bridge/br_if.c:387) [ 95.398526][ T12] br_net_exit_rtnl (net/bridge/br.c:414) [ 95.398532][ T12] ops_undo_list (net/core/net_namespace.c:181 net/core/net_namespace.c:249) [ 95.398538][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 95.398544][ T12] ? netns_install (./include/linux/ns_common.h:26) [ 95.398546][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 95.398551][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 95.398559][ T12] cleanup_net (net/core/net_namespace.c:706) [ 95.398565][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 95.398572][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 95.398575][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 95.398581][ T12] process_one_work (kernel/workqueue.c:3387) [ 95.398593][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 95.398598][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 95.398612][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 95.398626][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 95.398629][ T12] kthread (kernel/kthread.c:436) [ 95.398632][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 95.398636][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 95.398641][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 95.398646][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 95.398652][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 95.398656][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: netlink_release:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print netlink_release:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars netif_change_name:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars