watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:2625]
Modules linked in:
irq event stamp: 6540
hardirqs last  enabled at (6539): [<ffff8000146b6f08>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:82 [inline]
hardirqs last  enabled at (6539): [<ffff8000146b6f08>] exit_to_kernel_mode+0x38/0x210 arch/arm64/kernel/entry-common.c:92
hardirqs last disabled at (6540): [<ffff8000146b9844>] __el1_irq arch/arm64/kernel/entry-common.c:435 [inline]
hardirqs last disabled at (6540): [<ffff8000146b9844>] el1_interrupt+0x24/0x50 arch/arm64/kernel/entry-common.c:460
softirqs last  enabled at (1978): [<ffff8000100109ec>] _stext+0x9ec/0x101c
softirqs last disabled at (1943): [<ffff8000101626e8>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (1943): [<ffff8000101626e8>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (1943): [<ffff8000101626e8>] __irq_exit_rcu+0x3d8/0x5d0 kernel/softirq.c:636
CPU: 0 PID: 2625 Comm: syz-executor.0 Not tainted 5.15.0-syzkaller-04577-gcc0356d6a02e #0
Hardware name: linux,dummy-virt (DT)
pstate: 10000005 (nzcV daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : lock_acquire.part.0+0x288/0x550 kernel/locking/lockdep.c:5590
lr : lock_acquire.part.0+0x238/0x550 kernel/locking/lockdep.c:5625
sp : ffff80001d147950
x29: ffff80001d147960 x28: 0000000000000000 x27: 0000000000000001
x26: 0000000000000000 x25: ffff0000132e1258 x24: 0000000000000000
x23: ffff800054e98000 x22: 0000000000000000 x21: ffff800015bafcc0
x20: 1ffff00003a28f3a x19: ffff800015bafcc0 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 00000000209163b4
x14: 1ffff00003a28f1e x13: 0000000000000167 x12: 1fffe000026e6133
x11: 0000000000000007 x10: ffff00001373099c x9 : 0000000000000000
x8 : ffff0000137309d8 x7 : ffff8000170b98c0 x6 : 00000000f3f3f3f3
x5 : 0000000000000000 x4 : 000000000872f1fd x3 : 1fffe0000d548f98
x2 : 0000000000000000 x1 : 00000000000000c0 x0 : 0000000000000080
Call trace:
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 lock_acquire.part.0+0x288/0x550 kernel/locking/lockdep.c:5628
 lock_acquire+0x90/0xb4 kernel/locking/lockdep.c:5598
 __might_fault mm/memory.c:5273 [inline]
 __might_fault+0xcc/0x140 mm/memory.c:5258
 _copy_from_user include/linux/uaccess.h:156 [inline]
 copy_from_user include/linux/uaccess.h:192 [inline]
 snd_seq_oss_write+0x12c/0x794 sound/core/seq/oss/seq_oss_rw.c:93
 odev_write+0x38/0x74 sound/core/seq/oss/seq_oss.c:168
 vfs_write+0x1cc/0x5c0 fs/read_write.c:588
 ksys_write+0xec/0x1d0 fs/read_write.c:643
 __do_sys_write fs/read_write.c:655 [inline]
 __se_sys_write fs/read_write.c:652 [inline]
 __arm64_sys_write+0x6c/0xa0 fs/read_write.c:652
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x6c/0x260 arch/arm64/kernel/syscall.c:52
 el0_svc_common.constprop.0+0xc4/0x254 arch/arm64/kernel/syscall.c:142
 do_el0_svc_compat+0x40/0x80 arch/arm64/kernel/syscall.c:187
 el0_svc_compat+0x64/0x280 arch/arm64/kernel/entry-common.c:736
 el0t_32_sync_handler+0x90/0x140 arch/arm64/kernel/entry-common.c:746
 el0t_32_sync+0x1a4/0x1a8 arch/arm64/kernel/entry.S:577