------------[ cut here ]------------ do not call blocking ops when !TASK_RUNNING; state=1 set at [<0000000023bec594>] do_nanosleep+0x10c/0x6a0 kernel/time/hrtimer.c:1675 WARNING: CPU: 0 PID: 5839 at kernel/sched/core.c:6136 __might_sleep+0x13a/0x190 kernel/sched/core.c:6136 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 5839 Comm: syz-executor.0 Not tainted 5.1.0-rc3-319004-g43151d6 #6 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xe8/0x16e lib/dump_stack.c:113 panic+0x29d/0x5f2 kernel/panic.c:214 __warn.cold+0x20/0x48 kernel/panic.c:571 report_bug+0x262/0x2a0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:179 [inline] fixup_bug arch/x86/kernel/traps.c:174 [inline] do_error_trap+0x130/0x1f0 arch/x86/kernel/traps.c:272 do_invalid_op+0x37/0x40 arch/x86/kernel/traps.c:291 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:__might_sleep+0x13a/0x190 kernel/sched/core.c:6136 Code: 65 48 8b 1c 25 00 ee 01 00 48 8d 7b 10 48 89 fe 48 c1 ee 03 80 3c 06 00 75 2b 48 8b 73 10 48 c7 c7 a0 6b 6b 8e e8 76 de f5 ff <0f> 0b e9 46 ff ff ff e8 aa fb 5a 00 e9 29 ff ff ff e8 a0 fb 5a 00 RSP: 0018:ffff8880ad007b48 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88806d7d0000 RCX: 0000000000000000 RDX: 0000000000000100 RSI: ffffffff815b2342 RDI: ffffed1015a00f5b RBP: ffffffff8e6c1420 R08: ffff88806d7d0000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000038c R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff8c4dcf85 __mutex_lock_common kernel/locking/mutex.c:908 [inline] __mutex_lock+0xcd/0x12b0 kernel/locking/mutex.c:1072 line6_pcm_acquire+0x35/0x210 sound/usb/line6/pcm.c:311 call_timer_fn+0x161/0x5f0 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers kernel/time/timer.c:1681 [inline] __run_timers kernel/time/timer.c:1649 [inline] run_timer_softirq+0x58b/0x1400 kernel/time/timer.c:1694 __do_softirq+0x22a/0x8cd kernel/softirq.c:293 invoke_softirq kernel/softirq.c:374 [inline] irq_exit+0x187/0x1b0 kernel/softirq.c:414 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0xfe/0x4a0 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:767 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x50/0x60 kernel/locking/spinlock.c:184 Code: 53 f3 f6 c7 02 75 19 48 89 df 57 9d 0f 1f 44 00 00 e8 94 4a 73 f3 65 ff 0d 1d 6a fc 71 5b 5d c3 e8 c5 48 73 f3 48 89 df 57 9d <0f> 1f 44 00 00 eb e5 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 RSP: 0018:ffff88806d7dfba8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000007 RBX: 0000000000000246 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000246 RBP: ffff8880ad025ac0 R08: ffff88806d7d0000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffff8880ad025b40 R14: ffff8880ad025b40 R15: ffff8880ad025ac0 unlock_hrtimer_base kernel/time/hrtimer.c:878 [inline] hrtimer_start_range_ns+0x5b5/0xae0 kernel/time/hrtimer.c:1109 hrtimer_start_expires include/linux/hrtimer.h:409 [inline] do_nanosleep+0x1a0/0x6a0 kernel/time/hrtimer.c:1676 hrtimer_nanosleep+0x25d/0x510 kernel/time/hrtimer.c:1733 __do_sys_nanosleep kernel/time/hrtimer.c:1767 [inline] __se_sys_nanosleep kernel/time/hrtimer.c:1754 [inline] __x64_sys_nanosleep+0x1a2/0x220 kernel/time/hrtimer.c:1754 do_syscall_64+0xcf/0x4f0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x486591 Code: 75 14 b8 23 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 b4 e0 f8 ff c3 48 83 ec 08 e8 ea 53 fd ff 48 89 04 24 b8 23 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 33 54 fd ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007ffd97bbe5f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000023 RAX: ffffffffffffffda RBX: 00000000000197f5 RCX: 0000000000486591 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd97bbe600 RBP: 0000000000000001 R08: 000000003aecf3fc R09: 000000003aecf400 R10: 00007ffd97bbe6f0 R11: 0000000000000293 R12: 000000000073bf00 R13: 000000000073c900 R14: 00000000000197bd R15: 000000000073bfac Kernel Offset: disabled Rebooting in 86400 seconds..