BUG: sleeping function called from invalid context at kernel/locking/mutex.c:908
in_atomic(): 1, irqs_disabled(): 0, pid: 13458, name: syz-executor.2
2 locks held by syz-executor.2/13458:
 #0: 00000000a1a6fa43 (udc_lock){+.+.}, at: usb_gadget_probe_driver+0x8c/0x360 drivers/usb/gadget/udc/core.c:1377
 #1: 00000000595c1c90 ((&toneport->timer)){+.-.}, at: lockdep_copy_map include/linux/lockdep.h:170 [inline]
 #1: 00000000595c1c90 ((&toneport->timer)){+.-.}, at: call_timer_fn+0xc9/0x5e0 kernel/time/timer.c:1315
CPU: 0 PID: 13458 Comm: syz-executor.2 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:console_trylock_spinning kernel/printk/printk.c:1734 [inline]
RIP: 0010:vprintk_emit+0x394/0x3a0 kernel/printk/printk.c:1974
Code: 00 83 fb ff 75 d6 e9 f3 fc ff ff e8 76 cb 14 00 e8 31 e4 19 00 41 56 9d e9 e7 fd ff ff e8 64 cb 14 00 e8 1f e4 19 00 41 56 9d <e9> 32 ff ff ff 0f 1f 80 00 00 00 00 55 48 89 f5 53 48 89 fb e8 43
RSP: 0018:ffff8881c8307758 EFLAGS: 00000212 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000000200 RCX: 1ffff11035e8970b
RDX: 0000000000000000 RSI: ffff8881af44b838 RDI: ffff8881af44b834
RBP: ffff8881c83077a0 R08: ffff8881af44b000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000034
R13: ffff8881c6996000 R14: 0000000000000212 R15: 0000000000010fb7
 dev_vprintk_emit+0x509/0x54e drivers/base/core.c:3185
 dev_printk_emit+0xba/0xf1 drivers/base/core.c:3196
 __dev_printk+0x1e8/0x210 drivers/base/core.c:3208
 dev_printk+0xd0/0x104 drivers/base/core.c:3225
 udc_bind_to_driver+0x55/0x531 drivers/usb/gadget/udc/core.c:1338
 usb_gadget_probe_driver.cold+0x10/0xde drivers/usb/gadget/udc/core.c:1408
 fuzzer_ioctl_run drivers/usb/gadget/fuzzer/fuzzer.c:718 [inline]
 fuzzer_ioctl+0x15b9/0x1d90 drivers/usb/gadget/fuzzer/fuzzer.c:1130
 full_proxy_unlocked_ioctl+0x116/0x180 fs/debugfs/file.c:205
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:509 [inline]
 do_vfs_ioctl+0xce8/0x12f0 fs/ioctl.c:696
 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:713
 __do_sys_ioctl fs/ioctl.c:720 [inline]
 __se_sys_ioctl fs/ioctl.c:718 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:718
 do_syscall_64+0xbd/0x500 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458c17
Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f334330b638 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f334330bc10 RCX: 0000000000458c17
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000000 R09: 000000000000000b
R10: 0000000000000075 R11: 0000000000000246 R12: 00007f334330c6d4
R13: 00000000004be3df R14: 00000000004de2e0 R15: 00000000ffffffff
==================================================================
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.2/13458

CPU: 0 PID: 13458 Comm: syz-executor.2 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:console_trylock_spinning kernel/printk/printk.c:1734 [inline]
RIP: 0010:vprintk_emit+0x394/0x3a0 kernel/printk/printk.c:1974
Code: 00 83 fb ff 75 d6 e9 f3 fc ff ff e8 76 cb 14 00 e8 31 e4 19 00 41 56 9d e9 e7 fd ff ff e8 64 cb 14 00 e8 1f e4 19 00 41 56 9d <e9> 32 ff ff ff 0f 1f 80 00 00 00 00 55 48 89 f5 53 48 89 fb e8 43
RSP: 0018:ffff8881c8307758 EFLAGS: 00000212 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000007 RBX: 0000000000000200 RCX: 1ffff11035e8970b
RDX: 0000000000000000 RSI: ffff8881af44b838 RDI: ffff8881af44b834
RBP: ffff8881c83077a0 R08: ffff8881af44b000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000034
R13: ffff8881c6996000 R14: 0000000000000212 R15: 0000000000010fb7
 dev_vprintk_emit+0x509/0x54e drivers/base/core.c:3185
 dev_printk_emit+0xba/0xf1 drivers/base/core.c:3196
 __dev_printk+0x1e8/0x210 drivers/base/core.c:3208
 dev_printk+0xd0/0x104 drivers/base/core.c:3225
 udc_bind_to_driver+0x55/0x531 drivers/usb/gadget/udc/core.c:1338
 usb_gadget_probe_driver.cold+0x10/0xde drivers/usb/gadget/udc/core.c:1408
 fuzzer_ioctl_run drivers/usb/gadget/fuzzer/fuzzer.c:718 [inline]
 fuzzer_ioctl+0x15b9/0x1d90 drivers/usb/gadget/fuzzer/fuzzer.c:1130
 full_proxy_unlocked_ioctl+0x116/0x180 fs/debugfs/file.c:205
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:509 [inline]
 do_vfs_ioctl+0xce8/0x12f0 fs/ioctl.c:696
 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:713
 __do_sys_ioctl fs/ioctl.c:720 [inline]
 __se_sys_ioctl fs/ioctl.c:718 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:718
 do_syscall_64+0xbd/0x500 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x458c17
Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 0d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f334330b638 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f334330bc10 RCX: 0000000000458c17
RDX: 0000000000000000 RSI: 0000000000005501 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000000 R09: 000000000000000b
R10: 0000000000000075 R11: 0000000000000246 R12: 00007f334330c6d4
R13: 00000000004be3df R14: 00000000004de2e0 R15: 00000000ffffffff
==================================================================