program:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)
r2 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000200), 0x20080, 0x0)
ioctl$SNDCTL_DSP_CHANNELS(r2, 0xc0045006, &(0x7f0000000240)=0x2)
ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000280)=0xac44)
write$dsp(r2, &(0x7f0000002200)='\x00\x00\x00\x00', 0x4)
r3 = openat$adsp1(0xffffffffffffff9c, &(0x7f0000000300), 0x200, 0x0)
ppoll(&(0x7f0000000340)=[{r3, 0x8108}], 0x1, 0x0, 0x0, 0x0)
r4 = openat$audio1(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0)
read$dsp(r4, &(0x7f0000001400), 0x1000)
[ 75.920746][ T5285] Bluetooth: hci0: command tx timeout
[ 75.987754][ T5321] ------------[ cut here ]------------
[ 75.994334][ T5321] UBSAN: array-index-out-of-bounds in sound/drivers/dummy.c:1020:40
[ 76.002814][ T5321] index -1 is out of range for type 'int[8]'
[ 76.008684][ T5321] CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 76.008696][ T5321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 76.008702][ T5321] Call Trace:
[ 76.008705][ T5321]
[ 76.008709][ T5321] dump_stack_lvl+0xe8/0x150
[ 76.008759][ T5321] ubsan_epilogue+0xa/0x30
[ 76.008769][ T5321] __ubsan_handle_out_of_bounds+0xe8/0xf0
[ 76.008821][ T5321] ? __pfx_of_clk_set_defaults+0x10/0x10
[ 76.008833][ T5321] snd_dummy_probe+0x12be/0x18e0
[ 76.008872][ T5321] ? __pfx_snd_dummy_probe+0x10/0x10
[ 76.008883][ T5321] ? kernfs_put+0x7b9/0x820
[ 76.008898][ T5321] ? is_acpi_device_node+0x26/0x70
[ 76.008911][ T5321] ? acpi_dev_pm_attach+0xe9/0x240
[ 76.008933][ T5321] ? dev_pm_domain_attach+0xbd/0xf0
[ 76.008953][ T5321] ? __pfx_snd_dummy_probe+0x10/0x10
[ 76.008966][ T5321] platform_probe+0xf9/0x190
[ 76.008980][ T5321] ? __pfx_platform_probe+0x10/0x10
[ 76.008987][ T5321] really_probe+0x254/0xae0
[ 76.008998][ T5321] __driver_probe_device+0x1e8/0x360
[ 76.009008][ T5321] device_driver_attach+0xe0/0x1d0
[ 76.009018][ T5321] bind_store+0x1d0/0x220
[ 76.009028][ T5321] ? __pfx_sysfs_kf_write+0x10/0x10
[ 76.009037][ T5321] kernfs_fop_write_iter+0x3a4/0x540
[ 76.009046][ T5321] vfs_write+0x612/0xba0
[ 76.009060][ T5321] ? __pfx_vfs_write+0x10/0x10
[ 76.009074][ T5321] ? __fget_files+0x2a/0x420
[ 76.009086][ T5321] ksys_write+0x150/0x270
[ 76.009098][ T5321] ? __pfx_ksys_write+0x10/0x10
[ 76.009112][ T5321] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.009120][ T5321] do_syscall_64+0x174/0x580
[ 76.009129][ T5321] ? trace_irq_disable+0x3b/0x140
[ 76.009139][ T5321] ? clear_bhb_loop+0x40/0x90
[ 76.009147][ T5321] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.009155][ T5321] RIP: 0033:0x7fc6e759e019
[ 76.009163][ T5321] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 76.009169][ T5321] RSP: 002b:00007fc6e840afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 76.009178][ T5321] RAX: ffffffffffffffda RBX: 00007fc6e7825fa0 RCX: 00007fc6e759e019
[ 76.009183][ T5321] RDX: 0000000000000007 RSI: 0000200000000180 RDI: 0000000000000004
[ 76.009187][ T5321] RBP: 00007fc6e763500c R08: 0000000000000000 R09: 0000000000000000
[ 76.009191][ T5321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 76.009195][ T5321] R13: 00007fc6e7826038 R14: 00007fc6e7825fa0 R15: 00007ffc605542d8
[ 76.009207][ T5321]
[ 76.009261][ T5321] ---[ end trace ]---
[ 76.121281][ T1331] ieee802154 phy0 wpan0: encryption failed: -22
[ 76.124115][ T1331] ieee802154 phy1 wpan1: encryption failed: -22
[ 76.168880][ T5321] Kernel panic - not syncing: UBSAN: panic_on_warn set ...
[ 76.171835][ T5321] CPU: 0 UID: 0 PID: 5321 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full)
[ 76.175374][ T5321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 76.179475][ T5321] Call Trace:
[ 76.180823][ T5321]
[ 76.182026][ T5321] vpanic+0x56c/0xa60
[ 76.183604][ T5321] ? __pfx_vpanic+0x10/0x10
[ 76.185397][ T5321] ? irqentry_exit+0x218/0x8f0
[ 76.187332][ T5321] panic+0xc5/0xd0
[ 76.188846][ T5321] ? __pfx_panic+0x10/0x10
[ 76.190632][ T5321] ? __pfx__printk+0x10/0x10
[ 76.192555][ T5321] check_panic_on_warn+0x89/0xb0
[ 76.194531][ T5321] __ubsan_handle_out_of_bounds+0xe8/0xf0
[ 76.196802][ T5321] ? __pfx_of_clk_set_defaults+0x10/0x10
[ 76.199130][ T5321] snd_dummy_probe+0x12be/0x18e0
[ 76.201191][ T5321] ? __pfx_snd_dummy_probe+0x10/0x10
[ 76.203361][ T5321] ? kernfs_put+0x7b9/0x820
[ 76.205185][ T5321] ? is_acpi_device_node+0x26/0x70
[ 76.207267][ T5321] ? acpi_dev_pm_attach+0xe9/0x240
[ 76.209253][ T5321] ? dev_pm_domain_attach+0xbd/0xf0
[ 76.211331][ T5321] ? __pfx_snd_dummy_probe+0x10/0x10
[ 76.213425][ T5321] platform_probe+0xf9/0x190
[ 76.215265][ T5321] ? __pfx_platform_probe+0x10/0x10
[ 76.217347][ T5321] really_probe+0x254/0xae0
[ 76.219039][ T5321] __driver_probe_device+0x1e8/0x360
[ 76.221012][ T5321] device_driver_attach+0xe0/0x1d0
[ 76.222936][ T5321] bind_store+0x1d0/0x220
[ 76.224598][ T5321] ? __pfx_sysfs_kf_write+0x10/0x10
[ 76.226555][ T5321] kernfs_fop_write_iter+0x3a4/0x540
[ 76.228581][ T5321] vfs_write+0x612/0xba0
[ 76.230195][ T5321] ? __pfx_vfs_write+0x10/0x10
[ 76.232006][ T5321] ? __fget_files+0x2a/0x420
[ 76.233758][ T5321] ksys_write+0x150/0x270
[ 76.235453][ T5321] ? __pfx_ksys_write+0x10/0x10
[ 76.237328][ T5321] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.239605][ T5321] do_syscall_64+0x174/0x580
[ 76.241383][ T5321] ? trace_irq_disable+0x3b/0x140
[ 76.243357][ T5321] ? clear_bhb_loop+0x40/0x90
[ 76.245152][ T5321] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 76.247297][ T5321] RIP: 0033:0x7fc6e759e019
[ 76.248944][ T5321] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
[ 76.255780][ T5321] RSP: 002b:00007fc6e840afe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 76.258979][ T5321] RAX: ffffffffffffffda RBX: 00007fc6e7825fa0 RCX: 00007fc6e759e019
[ 76.261839][ T5321] RDX: 0000000000000007 RSI: 0000200000000180 RDI: 0000000000000004
[ 76.264391][ T5321] RBP: 00007fc6e763500c R08: 0000000000000000 R09: 0000000000000000
[ 76.267315][ T5321] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 76.270083][ T5321] R13: 00007fc6e7826038 R14: 00007fc6e7825fa0 R15: 00007ffc605542d8
[ 76.272671][ T5321]
[ 76.273997][ T5321] Kernel Offset: disabled
[ 76.275426][ T5321] Rebooting in 86400 seconds..