BUG: sleeping function called from invalid context at kernel/locking/mutex.c:908
in_atomic(): 1, irqs_disabled(): 0, pid: 5743, name: syz-executor.1
1 lock held by syz-executor.1/5743:
 #0: 00000000051e6c17 ((&toneport->timer)){+.-.}, at: lockdep_copy_map include/linux/lockdep.h:170 [inline]
 #0: 00000000051e6c17 ((&toneport->timer)){+.-.}, at: call_timer_fn+0xc9/0x5e0 kernel/time/timer.c:1315
CPU: 1 PID: 5743 Comm: syz-executor.1 Not tainted 5.1.0-rc3+ #8
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+0xca/0x13e lib/dump_stack.c:113
 ___might_sleep.cold+0x10f/0x129 kernel/sched/core.c:6190
 __mutex_lock_common kernel/locking/mutex.c:908 [inline]
 __mutex_lock+0xc8/0x12b0 kernel/locking/mutex.c:1072
 line6_pcm_acquire+0x30/0x210 sound/usb/line6/pcm.c:311
 call_timer_fn+0x15c/0x5e0 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+0x586/0x1400 kernel/time/timer.c:1694
 __do_softirq+0x21f/0x8bc kernel/softirq.c:293
 invoke_softirq kernel/softirq.c:374 [inline]
 irq_exit+0x17c/0x1a0 kernel/softirq.c:414
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0xf1/0x490 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:81 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x40/0x50 kernel/locking/spinlock.c:184
Code: e8 25 19 bc fb 48 89 ef e8 dd f7 bc fb f6 c7 02 75 11 53 9d e8 a1 fd d8 fb 65 ff 0d 0a 59 99 7a 5b 5d c3 e8 d2 fb d8 fb 53 9d <eb> ed 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 fd 65 ff
RSP: 0018:ffff8881cc1d7cb0 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000000206 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881cb11b834
RBP: ffffffff8934c388 R08: ffff8881cb11b000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000a9bc0
R13: ffff8881d9fa1850 R14: 0000000000000000 R15: ffffffff8934c388
 __debug_object_init+0x17d/0xac0 lib/debugobjects.c:418
 hrtimer_init_on_stack kernel/time/hrtimer.c:426 [inline]
 hrtimer_nanosleep+0x15d/0x510 kernel/time/hrtimer.c:1731
 __do_sys_nanosleep kernel/time/hrtimer.c:1767 [inline]
 __se_sys_nanosleep kernel/time/hrtimer.c:1754 [inline]
 __x64_sys_nanosleep+0x19d/0x220 kernel/time/hrtimer.c:1754
 do_syscall_64+0xbd/0x500 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457741
Code: 75 14 b8 23 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 24 d3 fb ff c3 48 83 ec 08 e8 ea 46 00 00 48 89 04 24 b8 23 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 33 47 00 00 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffd812bcf00 EFLAGS: 00000293 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 000000000000e36a RCX: 0000000000457741
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd812bcf10
RBP: 0000000000000001 R08: 00000000a66d7c1d R09: 00000000a66d7c21
R10: 00007ffd812bd000 R11: 0000000000000293 R12: 000000000075bf20
R13: 000000000075c920 R14: 000000000000db35 R15: 000000000075bfcc
==================================================================
BUG: KASAN: null-ptr-deref in memset include/linux/string.h:337 [inline]
BUG: KASAN: null-ptr-deref in submit_audio_out_urb+0x919/0x1780 sound/usb/line6/playback.c:246
Write of size 20 at addr 0000000000000010 by task syz-executor.1/5743

CPU: 1 PID: 5743 Comm: syz-executor.1 Tainted: G        W         5.1.0-rc3+ #8
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+0xca/0x13e lib/dump_stack.c:113
 kasan_report.cold+0x5/0x35 mm/kasan/report.c:321
 memset+0x20/0x40 mm/kasan/common.c:115
 memset include/linux/string.h:337 [inline]
 submit_audio_out_urb+0x919/0x1780 sound/usb/line6/playback.c:246
 line6_submit_audio_out_all_urbs+0xc9/0x120 sound/usb/line6/playback.c:295
 line6_stream_start+0x156/0x1f0 sound/usb/line6/pcm.c:199
 line6_pcm_acquire+0x134/0x210 sound/usb/line6/pcm.c:322
 call_timer_fn+0x15c/0x5e0 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+0x586/0x1400 kernel/time/timer.c:1694
 __do_softirq+0x21f/0x8bc kernel/softirq.c:293
 invoke_softirq kernel/softirq.c:374 [inline]
 irq_exit+0x17c/0x1a0 kernel/softirq.c:414
 exiting_irq arch/x86/include/asm/apic.h:536 [inline]
 smp_apic_timer_interrupt+0xf1/0x490 arch/x86/kernel/apic/apic.c:1062
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807
 </IRQ>
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:81 [inline]
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x40/0x50 kernel/locking/spinlock.c:184
Code: e8 25 19 bc fb 48 89 ef e8 dd f7 bc fb f6 c7 02 75 11 53 9d e8 a1 fd d8 fb 65 ff 0d 0a 59 99 7a 5b 5d c3 e8 d2 fb d8 fb 53 9d <eb> ed 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 fd 65 ff
RSP: 0018:ffff8881cc1d7cb0 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000000206 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffff8881cb11b834
RBP: ffffffff8934c388 R08: ffff8881cb11b000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000a9bc0
R13: ffff8881d9fa1850 R14: 0000000000000000 R15: ffffffff8934c388
 __debug_object_init+0x17d/0xac0 lib/debugobjects.c:418
 hrtimer_init_on_stack kernel/time/hrtimer.c:426 [inline]
 hrtimer_nanosleep+0x15d/0x510 kernel/time/hrtimer.c:1731
 __do_sys_nanosleep kernel/time/hrtimer.c:1767 [inline]
 __se_sys_nanosleep kernel/time/hrtimer.c:1754 [inline]
 __x64_sys_nanosleep+0x19d/0x220 kernel/time/hrtimer.c:1754
 do_syscall_64+0xbd/0x500 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457741
Code: 75 14 b8 23 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 24 d3 fb ff c3 48 83 ec 08 e8 ea 46 00 00 48 89 04 24 b8 23 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 33 47 00 00 48 89 d0 48 83 c4 08 48 3d 01
RSP: 002b:00007ffd812bcf00 EFLAGS: 00000293 ORIG_RAX: 0000000000000023
RAX: ffffffffffffffda RBX: 000000000000e36a RCX: 0000000000457741
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffd812bcf10
RBP: 0000000000000001 R08: 00000000a66d7c1d R09: 00000000a66d7c21
R10: 00007ffd812bd000 R11: 0000000000000293 R12: 000000000075bf20
R13: 000000000075c920 R14: 000000000000db35 R15: 000000000075bfcc
==================================================================