====================================== | [ 10.687522][ T218] softirqs last disabled at (21879): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 10.687526][ T218] Preemption disabled at: | [ 10.687526][ T218] 0x0 | [ 10.687539][ T218] Tainted: [W]=WARN [ 10.687540][ T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 10.687542][ T218] Call Trace: [ 10.687544][ T218] [ 10.687546][ T218] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 10.687555][ T218] __might_resched.cold (kernel/sched/core.c:9234) [ 10.687560][ T218] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 10.687566][ T218] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 10.687573][ T218] __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)) [ 10.687576][ T218] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.687585][ T218] ? 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) [ 10.687589][ T218] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 10.687595][ T218] put_chars (drivers/char/virtio_console.c:1176) [ 10.687599][ T218] ? __send_to_port (drivers/char/virtio_console.c:654) [ 10.687601][ T218] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 10.687606][ T218] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 10.687615][ T218] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 10.687627][ T218] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 10.687631][ T218] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.687634][ T218] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.687641][ T218] console_emit_next_record (kernel/printk/printk.c:3183) [ 10.687648][ T218] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 10.687650][ T218] ? 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)) [ 10.687656][ T218] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.687659][ T218] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 10.687665][ T218] console_flush_one_record (kernel/printk/printk.c:3268) [ 10.687672][ T218] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 10.687675][ T218] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.687684][ T218] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 10.687688][ T218] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 10.687691][ T218] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.687694][ T218] ? 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) [ 10.687701][ T218] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 10.687703][ T218] ? vprintk_emit (kernel/printk/printk.c:2478) [ 10.687708][ T218] vprintk_emit (kernel/printk/printk.c:2479) [ 10.687713][ T218] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 10.687718][ T218] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 10.687725][ T218] _printk (kernel/printk/printk.c:2504) [ 10.687730][ T218] ? snapshot_read.cold (user.c:?) [ 10.687734][ T218] ? 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) [ 10.687738][ T218] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 10.687745][ T218] ? 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) [ 10.687750][ T218] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 10.687755][ T218] ? exit_notify (kernel/exit.c:780) [ 10.687757][ T218] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 10.687762][ T218] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 10.687768][ T218] do_group_exit (kernel/exit.c:1151) [ 10.687773][ T218] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 10.687776][ T218] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 10.687780][ T218] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 10.687785][ T218] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 10.687790][ T218] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 10.687793][ T218] RIP: 0033:0x7f5370aea1b8 [ 10.687796][ T218] Code: Unable to access opcode bytes at 0x7f5370aea18e. Code starting with the faulting instruction =========================================== [ 10.687797][ T218] RSP: 002b:00007ffc5487ba58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 10.687801][ T218] RAX: ffffffffffffffda RBX: 00007f5370c1af88 RCX: 00007f5370aea1b8 [ 10.687803][ T218] RDX: 00007f5370834fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 10.687804][ T218] RBP: 00007ffc5487bab0 R08: 0000000000000000 R09: 0000000000000050 [ 10.687806][ T218] R10: 00007ffc5487b870 R11: 0000000000000246 R12: 0000000000000001 [ 10.687807][ T218] R13: 0000000000000000 R14: 00007f5370c19680 R15: 00007f5370c1afa0 | [ 15.245238][ T401] softirqs last disabled at (22731): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767) | [ 15.245241][ T401] Preemption disabled at: | [ 15.245242][ T401] 0x0 | [ 15.245252][ T401] Tainted: [W]=WARN [ 15.245253][ T401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.245254][ T401] Call Trace: [ 15.245256][ T401] [ 15.245258][ T401] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 15.245265][ T401] __might_resched.cold (kernel/sched/core.c:9234) [ 15.245269][ T401] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 15.245273][ T401] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 15.245277][ T401] __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)) [ 15.245279][ T401] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.245286][ T401] ? 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) [ 15.245289][ T401] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 15.245293][ T401] put_chars (drivers/char/virtio_console.c:1176) [ 15.245295][ T401] ? __send_to_port (drivers/char/virtio_console.c:654) [ 15.245296][ T401] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 15.245300][ T401] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 15.245305][ T401] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 15.245313][ T401] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 15.245316][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.245318][ T401] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.245322][ T401] console_emit_next_record (kernel/printk/printk.c:3183) [ 15.245326][ T401] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 15.245327][ T401] ? 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)) [ 15.245331][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.245332][ T401] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 15.245336][ T401] console_flush_one_record (kernel/printk/printk.c:3268) [ 15.245341][ T401] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 15.245342][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.245348][ T401] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 15.245351][ T401] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 15.245352][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.245354][ T401] ? 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) [ 15.245358][ T401] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 15.245360][ T401] ? vprintk_emit (kernel/printk/printk.c:2478) [ 15.245362][ T401] vprintk_emit (kernel/printk/printk.c:2479) [ 15.245366][ T401] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 15.245369][ T401] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 15.245372][ T401] _printk (kernel/printk/printk.c:2504) [ 15.245376][ T401] ? snapshot_read.cold (user.c:?) [ 15.245379][ T401] ? 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) [ 15.245381][ T401] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 15.245385][ T401] ? 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) [ 15.245388][ T401] do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4)) [ 15.245392][ T401] ? exit_notify (kernel/exit.c:780) [ 15.245393][ T401] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 15.245396][ T401] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 15.245399][ T401] do_group_exit (kernel/exit.c:1151) [ 15.245402][ T401] __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160) [ 15.245404][ T401] x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232) [ 15.245407][ T401] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 15.245411][ T401] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 15.245414][ T401] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 15.245416][ T401] RIP: 0033:0x7f78371e51b8 [ 15.245418][ T401] Code: Unable to access opcode bytes at 0x7f78371e518e. Code starting with the faulting instruction =========================================== [ 15.245419][ T401] RSP: 002b:00007ffe4fb1a2a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 15.245422][ T401] RAX: ffffffffffffffda RBX: 00007f7837315f88 RCX: 00007f78371e51b8 [ 15.245423][ T401] RDX: 00007f7836f2eb48 RSI: fffffffffffffeb8 RDI: 0000000000000000 [ 15.245424][ T401] RBP: 00007ffe4fb1a300 R08: 0000000000000000 R09: 0000000000008010 [ 15.245425][ T401] R10: 00007ffe4fb1a0c0 R11: 0000000000000246 R12: 0000000000000001 [ 15.245426][ T401] R13: 0000000000000000 R14: 00007f7837314680 R15: 00007f7837315fa0 | [ 38.673022][ T1379] softirqs last disabled at (15686): __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:697 (discriminator 2)) | [ 38.673024][ T1379] Preemption disabled at: | [ 38.673025][ T1379] vprintk_emit (kernel/printk/printk.c:2471) | [ 38.673033][ T1379] Tainted: [W]=WARN [ 38.673033][ T1379] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.673035][ T1379] Call Trace: [ 38.673036][ T1379] [ 38.673038][ T1379] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.673044][ T1379] ? vprintk_emit (kernel/printk/printk.c:2471) [ 38.673046][ T1379] __might_resched.cold (kernel/sched/core.c:9234) [ 38.673050][ T1379] ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3)) [ 38.673055][ T1379] ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439) [ 38.673059][ T1379] __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)) [ 38.673061][ T1379] ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.673068][ T1379] ? 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) [ 38.673071][ T1379] alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429) [ 38.673075][ T1379] put_chars (drivers/char/virtio_console.c:1176) [ 38.673077][ T1379] ? __send_to_port (drivers/char/virtio_console.c:654) [ 38.673080][ T1379] ? validate_chain (kernel/locking/lockdep.c:159 kernel/locking/lockdep.c:191 kernel/locking/lockdep.c:3928) [ 38.673086][ T1379] hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2)) [ 38.673093][ T1379] ? hvc_write (drivers/tty/hvc/hvc_console.c:501) [ 38.673096][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.673098][ T1379] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.673102][ T1379] console_emit_next_record (kernel/printk/printk.c:3183) [ 38.673106][ T1379] ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20) [ 38.673108][ T1379] ? 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)) [ 38.673111][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.673113][ T1379] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.673117][ T1379] console_flush_one_record (kernel/printk/printk.c:3268) [ 38.673121][ T1379] ? console_emit_next_record (kernel/printk/printk.c:3150) [ 38.673123][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.673125][ T1379] ? write_ibpb (arch/x86/entry/entry.S:25) [ 38.673131][ T1379] console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420) [ 38.673133][ T1379] ? console_flush_one_record (kernel/printk/printk.c:3316) [ 38.673135][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.673137][ T1379] ? 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) [ 38.673141][ T1379] ? __down_trylock_console_sem (kernel/printk/printk.c:334) [ 38.673143][ T1379] ? vprintk_emit (kernel/printk/printk.c:2478) [ 38.673146][ T1379] vprintk_emit (kernel/printk/printk.c:2479) [ 38.673148][ T1379] ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126)) [ 38.673150][ T1379] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.673152][ T1379] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:211 (discriminator 1) kernel/locking/spinlock.c:221 (discriminator 1)) [ 38.673155][ T1379] ? mark_held_locks (kernel/locking/lockdep.c:4341) [ 38.673159][ T1379] _printk (kernel/printk/printk.c:2504) [ 38.673162][ T1379] ? snapshot_read.cold (user.c:?) [ 38.673166][ T1379] ? br_multicast_flood (??:?) [ 38.673169][ T1379] ? do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 38.673171][ T1379] ? rtnl_newlink (net/core/rtnetlink.c:4215) [ 38.673172][ T1379] ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.673176][ T1379] br_set_state (net/bridge/br_stp.c:57 (discriminator 2)) [ 38.673181][ T1379] br_init_port (net/bridge/br_stp_if.c:39) [ 38.673183][ T1379] new_nbp (net/bridge/br_if.c:449) [ 38.673187][ T1379] br_add_if (net/bridge/br_if.c:592) [ 38.673190][ T1379] ? is_bpf_text_address (./include/linux/rcupdate.h:882 kernel/bpf/core.c:751) [ 38.673193][ T1379] ? kernel_text_address (kernel/extable.c:125 kernel/extable.c:94) [ 38.673199][ T1379] do_set_master (net/core/rtnetlink.c:3071) [ 38.673202][ T1379] do_setlink.isra.0 (net/core/rtnetlink.c:3273 (discriminator 1)) [ 38.673206][ T1379] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1)) [ 38.673214][ T1379] ? rtnl_link_get_size (net/core/rtnetlink.c:747) [ 38.673215][ T1379] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380) [ 38.673218][ T1379] ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2)) [ 38.673221][ T1379] ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3)) [ 38.673223][ T1379] ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380) [ 38.673225][ T1379] ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2)) [ 38.673227][ T1379] ? kasan_save_stack (mm/kasan/common.c:58) [ 38.673230][ T1379] ? kasan_save_stack (mm/kasan/common.c:57) [ 38.673231][ T1379] ? kasan_save_track (mm/kasan/common.c:78) [ 38.673232][ T1379] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415) [ 38.673235][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.673236][ T1379] ? snd_ac97_proc_read_main (sound/pci/ac97/ac97_proc.c:320) [ 38.673239][ T1379] ? ___sys_sendmsg (net/socket.c:2758) [ 38.673243][ T1379] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.673245][ T1379] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.673247][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.673249][ T1379] ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22)) [ 38.673251][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.673252][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.673253][ T1379] ? trace_contention_end (./include/trace/events/lock.h:121 (discriminator 22)) [ 38.673256][ T1379] ? __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) [ 38.673257][ T1379] ? __mutex_lock (kernel/locking/mutex.c:656 (discriminator 1) kernel/locking/mutex.c:821 (discriminator 1)) [ 38.673259][ T1379] ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:366 net/core/rtnetlink.c:4214) [ 38.673263][ T1379] ? ww_mutex_lock (kernel/locking/mutex.c:934) [ 38.673264][ T1379] ? nla_get_range_signed (lib/nlattr.c:270) [ 38.673269][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.673271][ T1379] ? __rtnl_newlink (net/core/rtnetlink.c:4063) [ 38.673276][ T1379] rtnl_newlink (net/core/rtnetlink.c:4215) [ 38.673281][ T1379] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.673283][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.673287][ T1379] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.673289][ T1379] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.673292][ T1379] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.673293][ T1379] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.673297][ T1379] ? rtnl_bridge_getlink (net/core/rtnetlink.c:5558) [ 38.673299][ T1379] rtnetlink_rcv_msg (net/core/rtnetlink.c:7132) [ 38.673302][ T1379] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.673303][ T1379] ? __lock_acquire (kernel/locking/lockdep.c:5254) [ 38.673308][ T1379] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2)) [ 38.673309][ T1379] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.673313][ T1379] netlink_rcv_skb (net/netlink/af_netlink.c:2556) [ 38.673316][ T1379] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1)) [ 38.673319][ T1379] ? netlink_ack (./include/linux/skbuff.h:2718) [ 38.673325][ T1379] ? 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)) [ 38.673327][ T1379] ? 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)) [ 38.673332][ T1379] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345) [ 38.673335][ T1379] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1)) [ 38.673338][ T1379] ? find_held_lock (kernel/locking/lockdep.c:5367) [ 38.673342][ T1379] netlink_sendmsg (net/netlink/af_netlink.c:1900) [ 38.673346][ T1379] ? netlink_unicast (./include/net/net_namespace.h:422 (discriminator 7)) [ 38.673350][ T1379] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554) [ 38.673351][ T1379] ? __import_iovec (lib/iov_iter.c:1358 lib/iov_iter.c:1373) [ 38.673357][ T1379] __sock_sendmsg (net/socket.c:800 (discriminator 4) net/socket.c:815 (discriminator 4)) [ 38.673359][ T1379] ____sys_sendmsg (net/socket.c:2713) [ 38.673362][ T1379] ? copy_msghdr_from_user (net/socket.c:2650) [ 38.673364][ T1379] ? sock_write_iter (net/socket.c:1269) [ 38.673365][ T1379] ? move_addr_to_kernel (net/socket.c:258) [ 38.673373][ T1379] ___sys_sendmsg (net/socket.c:2767) [ 38.673376][ T1379] ? copy_msghdr_from_user (net/socket.c:2619) [ 38.673391][ T1379] __sys_sendmsg (net/socket.c:2799) [ 38.673394][ T1379] ? __sys_sendmsg_sock (net/socket.c:2780) [ 38.673400][ T1379] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3)) [ 38.673403][ T1379] do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84) [ 38.673405][ T1379] ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3)) [ 38.673408][ T1379] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121) [ 38.673410][ T1379] RIP: 0033:0x7fc2896fa54e [ 38.673414][ T1379] 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 [ 38.673416][ T1379] RSP: 002b:00007ffe8e873d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 38.673418][ T1379] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc2896fa54e [ 38.673419][ T1379] RDX: 0000000000000000 RSI: 00007ffe8e873db0 RDI: 0000000000000005 [ 38.673420][ T1379] RBP: 00007ffe8e873d10 R08: 0000000000000000 R09: 0000000000000000 [ 38.673421][ T1379] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a91868a Finger prints: __irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print __alloc_skb:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars