====================================== | [ 9.491776][ T180] softirqs last disabled at (36421): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 9.491778][ T180] Preemption disabled at: | [ 9.491779][ T180] 0x0 | [ 9.491789][ T180] Tainted: [W]=WARN [ 9.491790][ T180] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.491791][ T180] Call Trace: [ 9.491793][ T180] [ 9.491795][ T180] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 9.491801][ T180] __might_resched.cold (kernel/sched/core.c:9234) [ 9.491806][ T180] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 9.491810][ T180] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 9.491815][ T180] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 9.491817][ T180] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.491823][ T180] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 9.491826][ T180] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 9.491829][ T180] put_chars (drivers/char/virtio_console.c:1176) [ 9.491834][ T180] ? __send_to_port (drivers/char/virtio_console.c:654) [ 9.491836][ T180] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 9.491843][ T180] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 9.491852][ T180] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 9.491862][ T180] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 9.491865][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.491867][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.491871][ T180] console_emit_next_record (kernel/printk/printk.c:3183) [ 9.491875][ T180] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 9.491877][ T180] ? 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)) [ 9.491880][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.491883][ T180] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 9.491887][ T180] console_flush_one_record (kernel/printk/printk.c:3268) [ 9.491891][ T180] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 9.491893][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.491898][ T180] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 9.491901][ T180] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 9.491903][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.491905][ T180] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 9.491909][ T180] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 9.491910][ T180] ? vprintk_emit (kernel/printk/printk.c:2478) [ 9.491914][ T180] vprintk_emit (kernel/printk/printk.c:2479) [ 9.491918][ T180] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 9.491921][ T180] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 9.491925][ T180] _printk (kernel/printk/printk.c:2504) [ 9.491928][ T180] ? snapshot_read.cold (user.c:?) [ 9.491931][ T180] ? 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) [ 9.491934][ T180] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 9.491938][ T180] ? 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) [ 9.491940][ T180] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 9.491944][ T180] ? exit_notify (kernel/exit.c:780) [ 9.491945][ T180] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 9.491948][ T180] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 9.491952][ T180] do_group_exit (kernel/exit.c:1151) [ 9.491955][ T180] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 9.491957][ T180] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 9.491960][ T180] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 9.491964][ T180] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 9.491967][ T180] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 9.491969][ T180] RIP: 0033:0x7f8ed025e1b8 [ 9.491971][ T180] Code: Unable to access opcode bytes at 0x7f8ed025e18e. Code starting with the faulting instruction =========================================== [ 9.491972][ T180] RSP: 002b:00007ffd9b698348 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 9.491975][ T180] RAX: ffffffffffffffda RBX: 00007f8ed038ef88 RCX: 00007f8ed025e1b8 [ 9.491976][ T180] RDX: 00007f8ecffa8fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 9.491977][ T180] RBP: 00007ffd9b6983a0 R08: 0000000000000000 R09: 0000000000000050 [ 9.491978][ T180] R10: 00007ffd9b698160 R11: 0000000000000246 R12: 0000000000000001 [ 9.491979][ T180] R13: 0000000000000000 R14: 00007f8ed038d680 R15: 00007f8ed038efa0 | [ 10.580042][ T212] softirqs last disabled at (19045): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.580045][ T212] Preemption disabled at: | [ 10.580046][ T212] vprintk_emit (kernel/printk/printk.c:2471) | [ 10.580055][ T212] Tainted: [W]=WARN [ 10.580056][ T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.580057][ T212] Call Trace: [ 10.580059][ T212] [ 10.580061][ T212] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.580066][ T212] ? vprintk_emit (kernel/printk/printk.c:2471) [ 10.580069][ T212] __might_resched.cold (kernel/sched/core.c:9234) [ 10.580073][ T212] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.580077][ T212] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.580082][ T212] __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)) [ 10.580085][ T212] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.580090][ T212] ? 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) [ 10.580093][ T212] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.580097][ T212] put_chars (drivers/char/virtio_console.c:1176) [ 10.580100][ T212] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.580103][ T212] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.580108][ T212] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.580115][ T212] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.580118][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.580122][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.580126][ T212] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.580130][ T212] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.580131][ T212] ? 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)) [ 10.580135][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.580137][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.580141][ T212] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.580145][ T212] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.580147][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.580152][ T212] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.580155][ T212] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.580157][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.580159][ T212] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 10.580163][ T212] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.580164][ T212] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.580168][ T212] vprintk_emit (kernel/printk/printk.c:2479) [ 10.580171][ T212] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.580173][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.580175][ T212] ? mark_usage (kernel/locking/lockdep.c:4690) [ 10.580177][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.580181][ T212] _printk (kernel/printk/printk.c:2504) [ 10.580185][ T212] ? snapshot_read.cold (user.c:?) [ 10.580188][ T212] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.580190][ T212] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 10.580194][ T212] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 10.580197][ T212] netdev_warn (net/core/dev.c:13193 (discriminator 3)) [ 10.580199][ T212] ? netdev_err (net/core/dev.c:13192) [ 10.580202][ T212] ? hsr_port_get_hsr (net/hsr/hsr_main.c:137 (discriminator 13)) [ 10.580207][ T212] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 10.580213][ T212] hsr_dev_open.cold (net/hsr/hsr_device.c:159) [ 10.580217][ T212] __dev_open (net/core/dev.c:1724) [ 10.580221][ T212] ? netif_state_change (./include/net/netdev_lock.h:30 (discriminator 1)) [ 10.580223][ T212] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 10.580228][ T212] __dev_change_flags (net/core/dev.c:9812) [ 10.580230][ T212] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 10.580232][ T212] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 10.580235][ T212] ? __kernel_text_address (kernel/extable.c:79) [ 10.580236][ T212] ? write_profile (profile.c:?) [ 10.580239][ T212] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 10.580246][ T212] netif_change_flags (net/core/dev.c:9877) [ 10.580249][ T212] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 10.580253][ T212] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 10.580255][ T212] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 10.580256][ T212] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 10.580258][ T212] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 10.580262][ T212] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.580265][ T212] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 10.580267][ T212] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.580269][ T212] ? kasan_save_stack (mm/kasan/common.c:58) [ 10.580272][ T212] ? kasan_save_stack (mm/kasan/common.c:57) [ 10.580274][ T212] ? kasan_save_track (mm/kasan/common.c:78) [ 10.580276][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.580278][ T212] ? __netlink_deliver_tap (./include/linux/skbuff.h:1384 net/netlink/af_netlink.c:174 net/netlink/af_netlink.c:299 net/netlink/af_netlink.c:326) [ 10.580282][ T212] ? ___sys_sendmsg (net/socket.c:2756) [ 10.580287][ T212] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.580289][ T212] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.580291][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.580294][ T212] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.580295][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.580297][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.580300][ T212] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 10.580303][ T212] ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:821) [ 10.580306][ T212] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 10.580309][ T212] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 10.580312][ T212] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 10.580318][ T212] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 10.580323][ T212] rtnl_newlink (net/core/rtnetlink.c:4215) [ 10.580329][ T212] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.580331][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.580335][ T212] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.580337][ T212] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.580339][ T212] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.580341][ T212] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.580345][ T212] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 10.580347][ T212] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 10.580350][ T212] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.580351][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.580356][ T212] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 10.580358][ T212] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 10.580361][ T212] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 10.580363][ T212] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 10.580366][ T212] ? netlink_ack (./include/linux/skbuff.h:2718) [ 10.580373][ T212] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2)) [ 10.580375][ T212] ? netlink_deliver_tap (./include/linux/rcupdate.h:319 (discriminator 2) ./include/linux/rcupdate.h:880 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2)) [ 10.580379][ T212] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 10.580383][ T212] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 10.580386][ T212] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.580390][ T212] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 10.580395][ T212] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 10.580399][ T212] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 10.580404][ T212] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 10.580406][ T212] ? copy_msghdr_from_user (net/socket.c:2650) [ 10.580409][ T212] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 10.580411][ T212] ? move_addr_to_kernel (net/socket.c:258) [ 10.580418][ T212] ___sys_sendmsg (net/socket.c:2767) [ 10.580421][ T212] ? copy_msghdr_from_user (net/socket.c:2619) [ 10.580437][ T212] __sys_sendmsg (net/socket.c:2799) [ 10.580440][ T212] ? __sys_sendmsg_sock (net/socket.c:2780) [ 10.580447][ T212] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.580451][ T212] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.580460][ T212] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.580463][ T212] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.580465][ T212] RIP: 0033:0x7ff129ff954e [ 10.580469][ T212] Code: 4d 89 d8 e8 b4 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa All code ======== 0: 4d 89 d8 mov %r11,%r8 3: e8 b4 bd 00 00 call 0xbdbc 8: 4c 8b 5d f8 mov -0x8(%rbp),%r11 c: 41 8b 93 08 03 00 00 mov 0x308(%r11),%edx 13: 59 pop %rcx 14: 5e pop %rsi 15: 48 83 f8 fc cmp $0xfffffffffffffffc,%rax 19: 74 11 je 0x2c 1b: c9 leave 1c: c3 ret 1d: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 24: 48 8b 45 10 mov 0x10(%rbp),%rax 28: 0f 05 syscall 2a:* c9 leave <-- trapping instruction 2b: c3 ret 2c: 83 e2 39 and $0x39,%edx 2f: 83 fa 08 cmp $0x8,%edx 32: 75 e7 jne 0x1b 34: e8 03 ff ff ff call 0xffffffffffffff3c 39: 0f 1f 00 nopl (%rax) 3c: f3 0f 1e fa endbr64 Code starting with the faulting instruction =========================================== 0: c9 leave 1: c3 ret 2: 83 e2 39 and $0x39,%edx 5: 83 fa 08 cmp $0x8,%edx 8: 75 e7 jne 0xfffffffffffffff1 a: e8 03 ff ff ff call 0xffffffffffffff12 f: 0f 1f 00 nopl (%rax) 12: f3 0f 1e fa endbr64 [ 10.580470][ T212] RSP: 002b:00007ffeeea94f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 10.580473][ T212] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff129ff954e [ 10.580475][ T212] RDX: 0000000000000000 RSI: 00007ffeeea94ff0 RDI: 0000000000000005 [ 10.580476][ T212] RBP: 00007ffeeea94f50 R08: 0000000000000000 R09: 0000000000000000 [ 10.580477][ T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91266d [ 10.580477][ T212] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffeeea956c0 | [ 26.290108][ T354] softirqs last disabled at (36255): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 26.290111][ T354] Preemption disabled at: | [ 26.290112][ T354] vprintk_emit (kernel/printk/printk.c:2471) | [ 26.290124][ T354] Tainted: [W]=WARN [ 26.290125][ T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.290127][ T354] Call Trace: [ 26.290129][ T354] [ 26.290132][ T354] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 26.290138][ T354] ? vprintk_emit (kernel/printk/printk.c:2471) [ 26.290141][ T354] __might_resched.cold (kernel/sched/core.c:9234) [ 26.290147][ T354] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 26.290153][ T354] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 26.290160][ T354] __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)) [ 26.290164][ T354] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.290173][ T354] ? 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) [ 26.290176][ T354] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 26.290181][ T354] put_chars (drivers/char/virtio_console.c:1176) [ 26.290186][ T354] ? __send_to_port (drivers/char/virtio_console.c:654) [ 26.290188][ T354] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 26.290195][ T354] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 26.290198][ T354] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 26.290206][ T354] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 26.290210][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.290218][ T354] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 26.290223][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.290232][ T354] console_emit_next_record (kernel/printk/printk.c:3183) [ 26.290238][ T354] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 26.290244][ T354] ? 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)) [ 26.290249][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.290253][ T354] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 26.290260][ T354] console_flush_one_record (kernel/printk/printk.c:3268) [ 26.290266][ T354] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 26.290269][ T354] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 26.290278][ T354] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 26.290282][ T354] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 26.290285][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.290288][ T354] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 26.290295][ T354] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 26.290297][ T354] ? vprintk_emit (kernel/printk/printk.c:2478) [ 26.290303][ T354] vprintk_emit (kernel/printk/printk.c:2479) [ 26.290309][ T354] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 26.290318][ T354] ? vlan_netlink_fini (./include/linux/etherdevice.h:306 net/8021q/vlan.c:316 net/8021q/vlan.c:416) 8021q [ 26.290324][ T354] _printk (kernel/printk/printk.c:2504) [ 26.290329][ T354] ? snapshot_read.cold (user.c:?) [ 26.290339][ T354] ? do_one_initcall (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:650 ./include/linux/cpumask.h:1232 ./include/trace/events/initcall.h:27 init/main.c:1356) [ 26.290344][ T354] vlan_proto_init (./include/linux/rcupdate.h:309 (discriminator 2) ./include/linux/rcupdate.h:849 (discriminator 2) ./include/net/netns/generic.h:45 (discriminator 2)) 8021q [ 26.290349][ T354] do_one_initcall (init/main.c:1357) [ 26.290353][ T354] ? trace_event_raw_event_initcall_level (./include/trace/events/initcall.h:10) [ 26.290361][ T354] ? do_init_module (./include/linux/slab.h:991 (discriminator 1) kernel/module/main.c:3105 (discriminator 1)) [ 26.290365][ T354] ? kasan_unpoison (mm/kasan/shadow.c:146 mm/kasan/shadow.c:178) [ 26.290372][ T354] do_init_module (kernel/module/main.c:3117) [ 26.290378][ T354] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 26.290383][ T354] ? free_module (./include/trace/events/module.h:50 (discriminator 19)) [ 26.290388][ T354] ? kfree (./include/linux/kasan.h:235 mm/slub.c:2748 mm/slub.c:6499 mm/slub.c:6792) [ 26.290395][ T354] load_module (kernel/module/main.c:3593) [ 26.290408][ T354] ? layout_and_allocate.isra.0 (kernel/module/main.c:3016) [ 26.290414][ T354] ? __ia32_sys_fsconfig (??:?) [ 26.290418][ T354] ? add_chain_cache (kernel/locking/lockdep.c:3782) [ 26.290427][ T354] init_module_from_file (kernel/module/main.c:3790) [ 26.290431][ T354] ? __do_sys_init_module (kernel/module/main.c:3664) [ 26.290446][ T354] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 26.290452][ T354] ? 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) [ 26.290457][ T354] idempotent_init_module (kernel/module/main.c:3802) [ 26.290462][ T354] ? init_module_from_file (kernel/module/main.c:3791) [ 26.290474][ T354] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 26.290477][ T354] ? cap_capable (./include/trace/events/capability.h:26 (discriminator 22) security/commoncap.c:130 (discriminator 22)) [ 26.290487][ T354] __x64_sys_finit_module (kernel/module/main.c:3828 kernel/module/main.c:3812 kernel/module/main.c:3812) [ 26.290490][ T354] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 26.290495][ T354] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 26.290498][ T354] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 26.290502][ T354] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 26.290506][ T354] RIP: 0033:0x7efda7f1c37d [ 26.290510][ T354] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4b aa 0f 00 f7 d8 64 89 01 48 All code ======== 0: ff c3 inc %ebx 2: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 9: 00 00 00 c: 90 nop d: f3 0f 1e fa endbr64 11: 48 89 f8 mov %rdi,%rax 14: 48 89 f7 mov %rsi,%rdi 17: 48 89 d6 mov %rdx,%rsi 1a: 48 89 ca mov %rcx,%rdx 1d: 4d 89 c2 mov %r8,%r10 20: 4d 89 c8 mov %r9,%r8 23: 4c 8b 4c 24 08 mov 0x8(%rsp),%r9 28: 0f 05 syscall 2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction 30: 73 01 jae 0x33 32: c3 ret 33: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa85 3a: f7 d8 neg %eax 3c: 64 89 01 mov %eax,%fs:(%rcx) 3f: 48 rex.W Code starting with the faulting instruction =========================================== 0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax 6: 73 01 jae 0x9 8: c3 ret 9: 48 8b 0d 4b aa 0f 00 mov 0xfaa4b(%rip),%rcx # 0xfaa5b 10: f7 d8 neg %eax 12: 64 89 01 mov %eax,%fs:(%rcx) 15: 48 rex.W [ 26.290513][ T354] RSP: 002b:00007ffe0362a578 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 26.290516][ T354] RAX: ffffffffffffffda RBX: 0000561a5109a810 RCX: 00007efda7f1c37d [ 26.290518][ T354] RDX: 0000000000000000 RSI: 0000561a1b217ffd RDI: 0000000000000000 [ 26.290519][ T354] RBP: 00007ffe0362a610 R08: 0000000000000000 R09: 0000000000000000 [ 26.290521][ T354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561a1b217ffd [ 26.290522][ T354] R13: 0000561a5109a960 R14: 0000000000040000 R15: 0000000000000000 | [ 42.267930][ T12] softirqs last disabled at (41436): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 42.267933][ T12] Preemption disabled at: | [ 42.267933][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 42.267943][ T12] Tainted: [W]=WARN [ 42.267944][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.267946][ T12] Workqueue: netns cleanup_net [ 42.267950][ T12] Call Trace: [ 42.267951][ T12] [ 42.267954][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 42.267960][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 42.267962][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 42.267967][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.267971][ 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) [ 42.267977][ 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)) [ 42.267979][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.267985][ 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) [ 42.267988][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 42.267991][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 42.267994][ T12] ? check_prev_add (kernel/locking/lockdep.c:3185) [ 42.267996][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 42.267999][ T12] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 42.268004][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 42.268011][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 42.268014][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.268019][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.268023][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 42.268027][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 42.268029][ 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)) [ 42.268032][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.268034][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.268039][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 42.268043][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 42.268045][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 42.268050][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 42.268053][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 42.268055][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.268058][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 42.268061][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 42.268063][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 42.268067][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 42.268070][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 42.268073][ T12] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 42.268075][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 42.268078][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 42.268079][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 42.268083][ T12] _printk (kernel/printk/printk.c:2504) [ 42.268087][ T12] ? snapshot_read.cold (user.c:?) [ 42.268090][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 42.268093][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 42.268096][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 42.268100][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 42.268102][ T12] ? netdev_notice (net/core/dev.c:13194) [ 42.268106][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 42.268108][ T12] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 42.268110][ T12] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 42.268113][ 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) [ 42.268117][ T12] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 42.268120][ T12] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 42.268123][ T12] netif_set_promiscuity (net/core/dev.c:9699) [ 42.268128][ T12] dev_set_promiscuity (net/core/dev_api.c:288) [ 42.268131][ T12] hsr_del_port (net/hsr/hsr_slave.c:244) [ 42.268136][ T12] hsr_del_ports (net/hsr/hsr_device.c:498) [ 42.268139][ T12] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 42.268141][ T12] default_device_exit_batch (net/core/dev.c:13280) [ 42.268145][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 42.268148][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 42.268152][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 42.268156][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 42.268158][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 42.268160][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 42.268163][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 42.268168][ T12] cleanup_net (net/core/net_namespace.c:706) [ 42.268171][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 42.268175][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 42.268177][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 42.268182][ T12] process_one_work (kernel/workqueue.c:3387) [ 42.268188][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 42.268191][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 42.268199][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 42.268206][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 42.268208][ T12] kthread (kernel/kthread.c:436) [ 42.268211][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 42.268214][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 42.268217][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 42.268221][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 42.268225][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 42.268228][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 42.268231][ T12] ret_from_fork_asm (arch/x86/entry/entry_64.S:245) | [ 43.718175][ T539] softirqs last disabled at (16822): dev_set_rx_mode (./include/linux/bottom_half.h:20 (discriminator 2) ./include/linux/netdevice.h:5008 (discriminator 2) net/core/dev_addr_lists.c:1392 (discriminator 2)) | [ 43.718178][ T539] Preemption disabled at: | [ 43.718178][ T539] vprintk_emit (kernel/printk/printk.c:2471) | [ 43.718188][ T539] Tainted: [W]=WARN [ 43.718189][ T539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 43.718191][ T539] Call Trace: [ 43.718193][ T539] [ 43.718194][ T539] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 43.718200][ T539] ? vprintk_emit (kernel/printk/printk.c:2471) [ 43.718202][ T539] __might_resched.cold (kernel/sched/core.c:9234) [ 43.718207][ T539] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 43.718211][ T539] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 43.718216][ T539] __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2)) [ 43.718218][ T539] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.718224][ T539] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141) [ 43.718227][ T539] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 43.718230][ T539] put_chars (drivers/char/virtio_console.c:1176) [ 43.718233][ T539] ? __send_to_port (drivers/char/virtio_console.c:654) [ 43.718236][ T539] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.718244][ T539] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 43.718251][ T539] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 43.718253][ T539] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.718257][ T539] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.718261][ T539] console_emit_next_record (kernel/printk/printk.c:3183) [ 43.718266][ T539] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 43.718267][ T539] ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2)) [ 43.718271][ T539] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.718273][ T539] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.718277][ T539] console_flush_one_record (kernel/printk/printk.c:3268) [ 43.718281][ T539] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 43.718283][ T539] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.718289][ T539] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 43.718292][ T539] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 43.718293][ T539] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.718296][ T539] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 43.718299][ T539] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 43.718301][ T539] ? vprintk_emit (kernel/printk/printk.c:2478) [ 43.718305][ T539] vprintk_emit (kernel/printk/printk.c:2479) [ 43.718308][ T539] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 43.718310][ T539] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.718312][ T539] ? mark_usage (kernel/locking/lockdep.c:4690) [ 43.718315][ T539] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.718318][ T539] _printk (kernel/printk/printk.c:2504) [ 43.718322][ T539] ? snapshot_read.cold (user.c:?) [ 43.718326][ T539] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 43.718329][ T539] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 43.718333][ T539] netdev_warn (net/core/dev.c:13193 (discriminator 3)) [ 43.718335][ T539] ? netdev_err (net/core/dev.c:13192) [ 43.718338][ T539] ? unregister_vlan_dev (net/8021q/vlan.h:91 net/8021q/vlan.c:110) 8021q [ 43.718342][ T539] ? hsr_port_get_hsr (net/hsr/hsr_main.c:137 (discriminator 13)) [ 43.718348][ T539] ? ip6_route_dev_notify (./include/net/net_namespace.h:422 (discriminator 1) ./include/linux/netdevice.h:2807 (discriminator 1) net/ipv6/route.c:6521 (discriminator 1)) [ 43.718355][ T539] hsr_dev_open.cold (net/hsr/hsr_device.c:159) [ 43.718358][ T539] __dev_open (net/core/dev.c:1724) [ 43.718362][ T539] ? netif_state_change (./include/net/netdev_lock.h:30 (discriminator 1)) [ 43.718365][ T539] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 43.718369][ T539] __dev_change_flags (net/core/dev.c:9812) [ 43.718372][ T539] ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1)) [ 43.718374][ T539] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 43.718377][ T539] ? __kernel_text_address (kernel/extable.c:79) [ 43.718378][ T539] ? write_profile (profile.c:?) [ 43.718381][ T539] ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380) [ 43.718386][ T539] netif_change_flags (net/core/dev.c:9877) [ 43.718389][ T539] do_setlink.isra.0 (net/core/rtnetlink.c:3266 (discriminator 1)) [ 43.718392][ T539] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 43.718394][ T539] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 43.718396][ T539] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 43.718398][ T539] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 43.718402][ T539] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 43.718405][ T539] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 43.718406][ T539] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 43.718409][ T539] ? kasan_save_stack (mm/kasan/common.c:58) [ 43.718412][ T539] ? kasan_save_stack (mm/kasan/common.c:57) [ 43.718414][ T539] ? kasan_save_track (mm/kasan/common.c:78) [ 43.718417][ T539] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.718419][ T539] ? __netlink_deliver_tap (./include/linux/skbuff.h:1384 net/netlink/af_netlink.c:174 net/netlink/af_netlink.c:299 net/netlink/af_netlink.c:326) [ 43.718422][ T539] ? ___sys_sendmsg (net/socket.c:2756) [ 43.718427][ T539] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.718429][ T539] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 43.718432][ T539] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.718434][ T539] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 43.718436][ T539] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.718438][ T539] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.718440][ T539] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 43.718444][ T539] ? __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) [ 43.718447][ T539] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 43.718449][ T539] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 43.718453][ T539] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 43.718459][ T539] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 43.718464][ T539] rtnl_newlink (net/core/rtnetlink.c:4215) [ 43.718469][ T539] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.718471][ T539] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.718476][ T539] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.718478][ T539] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.718480][ T539] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.718482][ T539] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 43.718486][ T539] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 43.718488][ T539] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 43.718491][ T539] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.718493][ T539] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.718497][ T539] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 43.718499][ T539] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 43.718502][ T539] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 43.718505][ T539] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 43.718508][ T539] ? netlink_ack (./include/linux/skbuff.h:2718) [ 43.718514][ T539] ? 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)) [ 43.718516][ T539] ? 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)) [ 43.718521][ T539] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 43.718525][ T539] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 43.718528][ T539] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 43.718532][ T539] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 43.718536][ T539] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 43.718540][ T539] ? __might_fault (mm/memory.c:7482 (discriminator 5)) [ 43.718546][ T539] ____sys_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4) net/socket.c:2713 (discriminator 4)) [ 43.718548][ T539] ? copy_msghdr_from_user (net/socket.c:2650) [ 43.718551][ T539] ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5399) [ 43.718552][ T539] ? move_addr_to_kernel (net/socket.c:258) [ 43.718560][ T539] ___sys_sendmsg (net/socket.c:2767) [ 43.718563][ T539] ? copy_msghdr_from_user (net/socket.c:2619) [ 43.718579][ T539] __sys_sendmsg (net/socket.c:2799) [ 43.718583][ T539] ? __sys_sendmsg_sock (net/socket.c:2780) [ 43.718589][ T539] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 43.718593][ T539] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 43.718596][ T539] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 43.718599][ T539] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 43.718601][ T539] RIP: 0033:0x7fe35ccbd54e [ 43.718605][ T539] 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 [ 43.718607][ T539] RSP: 002b:00007ffd3ca57650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 43.718610][ T539] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe35ccbd54e [ 43.718611][ T539] RDX: 0000000000000000 RSI: 00007ffd3ca57700 RDI: 0000000000000005 [ 43.718612][ T539] RBP: 00007ffd3ca57660 R08: 0000000000000000 R09: 0000000000000000 [ 43.718613][ T539] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91268e [ 43.718614][ T539] R13: 00000000004a1620 R14: 0000000000000000 R15: 00007ffd3ca57dd0 | [ 76.152092][ T12] softirqs last disabled at (171438): inet6_fill_ifla6_attrs (net/ipv6/addrconf.c:5883) | [ 76.152095][ T12] Preemption disabled at: | [ 76.152095][ T12] vprintk_emit (kernel/printk/printk.c:2471) | [ 76.152104][ T12] Tainted: [W]=WARN [ 76.152105][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 76.152107][ T12] Workqueue: netns cleanup_net [ 76.152110][ T12] Call Trace: [ 76.152112][ T12] [ 76.152114][ T12] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 76.152120][ T12] ? vprintk_emit (kernel/printk/printk.c:2471) [ 76.152122][ T12] __might_resched.cold (kernel/sched/core.c:9234) [ 76.152127][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 76.152131][ 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) [ 76.152137][ 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)) [ 76.152139][ T12] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.152145][ 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) [ 76.152148][ T12] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 76.152151][ T12] put_chars (drivers/char/virtio_console.c:1176) [ 76.152154][ T12] ? __send_to_port (drivers/char/virtio_console.c:654) [ 76.152157][ T12] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 76.152162][ T12] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 76.152169][ T12] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 76.152172][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.152176][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.152181][ T12] console_emit_next_record (kernel/printk/printk.c:3183) [ 76.152185][ T12] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 76.152186][ 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)) [ 76.152190][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.152192][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.152196][ T12] console_flush_one_record (kernel/printk/printk.c:3268) [ 76.152201][ T12] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 76.152203][ T12] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 76.152208][ T12] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 76.152211][ T12] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 76.152213][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.152215][ T12] ? lock_acquire (kernel/locking/lockdep.c:5913) [ 76.152219][ T12] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 76.152221][ T12] ? vprintk_emit (kernel/printk/printk.c:2478) [ 76.152224][ T12] vprintk_emit (kernel/printk/printk.c:2479) [ 76.152228][ T12] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 76.152231][ T12] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2)) [ 76.152233][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 76.152235][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 76.152237][ T12] ? finish_task_switch.isra.0 (kernel/sched/sched.h:1698 kernel/sched/core.c:5251 kernel/sched/core.c:5369) [ 76.152245][ T12] _printk (kernel/printk/printk.c:2504) [ 76.152249][ T12] ? snapshot_read.cold (user.c:?) [ 76.152252][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 76.152255][ T12] ? netdev_name (./include/linux/netdevice.h:5709 (discriminator 1)) [ 76.152258][ T12] ? __netdev_printk (net/core/dev.c:13148 (discriminator 2)) [ 76.152262][ T12] netdev_info (net/core/dev.c:13195 (discriminator 3)) [ 76.152264][ T12] ? netdev_notice (net/core/dev.c:13194) [ 76.152268][ T12] ? synchronize_rcu_expedited (kernel/rcu/tree_exp.h:985) [ 76.152269][ T12] ? netif_set_mtu_ext (net/core/dev.c:9910 (discriminator 2)) [ 76.152272][ T12] ? synchronize_rcu_normal (kernel/rcu/tree.c:3360) [ 76.152275][ 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) [ 76.152279][ T12] __dev_set_promiscuity.cold (net/core/dev.c:9672 (discriminator 3)) [ 76.152282][ T12] ? sync_rcu_exp_select_cpus (./include/linux/list.h:54 (discriminator 2)) [ 76.152285][ T12] netif_set_promiscuity (net/core/dev.c:9699) [ 76.152289][ T12] dev_set_promiscuity (net/core/dev_api.c:288) [ 76.152292][ T12] hsr_del_port (net/hsr/hsr_slave.c:244) [ 76.152298][ T12] hsr_del_ports (net/hsr/hsr_device.c:498) [ 76.152300][ T12] hsr_dellink (net/hsr/hsr_netlink.c:141) [ 76.152303][ T12] default_device_exit_batch (net/core/dev.c:13280) [ 76.152306][ T12] ? unregister_netdevice_queue (./include/linux/list.h:173) [ 76.152309][ T12] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 76.152312][ 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) [ 76.152316][ T12] ops_undo_list (net/core/net_namespace.c:206 net/core/net_namespace.c:253) [ 76.152320][ T12] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488) [ 76.152322][ T12] ? rtnl_net_dumpid_one (net/core/net_namespace.c:1098) [ 76.152323][ T12] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 76.152326][ T12] ? idr_destroy (lib/radix-tree.c:310 lib/radix-tree.c:674 lib/radix-tree.c:1563) [ 76.152331][ T12] cleanup_net (net/core/net_namespace.c:706) [ 76.152334][ T12] ? net_passive_dec (./include/linux/llist.h:241) [ 76.152338][ T12] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 76.152340][ T12] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 76.152344][ T12] process_one_work (kernel/workqueue.c:3387) [ 76.152351][ T12] ? __queue_delayed_work (kernel/workqueue.c:2622) [ 76.152354][ T12] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 76.152362][ T12] worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551) [ 76.152369][ T12] ? rescuer_thread (./include/linux/list.h:419 (discriminator 3)) [ 76.152371][ T12] kthread (kernel/kthread.c:436) [ 76.152374][ T12] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 76.152377][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) [ 76.152379][ T12] ret_from_fork (arch/x86/kernel/process.c:158) [ 76.152384][ T12] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1)) [ 76.152387][ T12] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663) [ 76.152390][ T12] ? kthread_affine_preferred (kernel/kthread.c:857) Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print dev_set_rx_mode:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars __irq_exit_rcu:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars inet6_fill_ifla6_attrs:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars