BUG: sleeping function called from invalid context at kernel/locking/mutex.c:908
in_atomic(): 1, irqs_disabled(): 0, pid: 0, name: swapper/0
1 lock held by swapper/0/0:
 #0: 00000000dfce065f ((&toneport->timer)){+.-.}, at: lockdep_copy_map include/linux/lockdep.h:170 [inline]
 #0: 00000000dfce065f ((&toneport->timer)){+.-.}, at: call_timer_fn+0xce/0x5f0 kernel/time/timer.c:1315
CPU: 0 PID: 0 Comm: swapper/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:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xe8/0x16e lib/dump_stack.c:113
 ___might_sleep.cold+0x11c/0x136 kernel/sched/core.c:6190
 __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
 </IRQ>
RIP: 0010:native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:58
Code: 89 04 24 e8 50 6a a3 f3 48 8b 04 24 e9 d9 fe ff ff 48 89 df e8 3f 6a a3 f3 eb 8a 90 90 90 90 90 90 90 90 90 90 90 90 90 fb f4 <c3> 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 90 90 90 90 90 90
RSP: 0018:ffffffff91607dc0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff9168893c
RBP: fffffbfff22d1020 R08: ffffffff91688100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff91688100
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff91688100
 arch_safe_halt arch/x86/include/asm/paravirt.h:156 [inline]
 default_idle+0x24/0x2b0 arch/x86/kernel/process.c:576
 cpuidle_idle_call kernel/sched/idle.c:153 [inline]
 do_idle+0x321/0x400 kernel/sched/idle.c:262
 cpu_startup_entry+0x19/0x20 kernel/sched/idle.c:353
 start_kernel+0x805/0x83d init/main.c:747
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243
==================================================================
BUG: KASAN: null-ptr-deref in memset include/linux/string.h:337 [inline]
BUG: KASAN: null-ptr-deref in submit_audio_out_urb+0x91e/0x1780 sound/usb/line6/playback.c:246
Write of size 176 at addr 0000000000000010 by task swapper/0/0

CPU: 0 PID: 0 Comm: swapper/0 Tainted: G        W         5.1.0-rc3-319004-g43151d6 #6
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xe8/0x16e lib/dump_stack.c:113
 kasan_report.cold+0x5/0x3c mm/kasan/report.c:321
 memset+0x20/0x40 mm/kasan/common.c:115
 memset include/linux/string.h:337 [inline]
 submit_audio_out_urb+0x91e/0x1780 sound/usb/line6/playback.c:246
 line6_submit_audio_out_all_urbs+0xce/0x120 sound/usb/line6/playback.c:295
 line6_stream_start+0x15b/0x1f0 sound/usb/line6/pcm.c:199
 line6_pcm_acquire+0x139/0x210 sound/usb/line6/pcm.c:322
 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
 </IRQ>
RIP: 0010:native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:58
Code: 89 04 24 e8 50 6a a3 f3 48 8b 04 24 e9 d9 fe ff ff 48 89 df e8 3f 6a a3 f3 eb 8a 90 90 90 90 90 90 90 90 90 90 90 90 90 fb f4 <c3> 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 90 90 90 90 90 90
RSP: 0018:ffffffff91607dc0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff9168893c
RBP: fffffbfff22d1020 R08: ffffffff91688100 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff91688100
R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff91688100
 arch_safe_halt arch/x86/include/asm/paravirt.h:156 [inline]
 default_idle+0x24/0x2b0 arch/x86/kernel/process.c:576
 cpuidle_idle_call kernel/sched/idle.c:153 [inline]
 do_idle+0x321/0x400 kernel/sched/idle.c:262
 cpu_startup_entry+0x19/0x20 kernel/sched/idle.c:353
 start_kernel+0x805/0x83d init/main.c:747
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243
==================================================================