------------[ cut here ]------------
WARNING: CPU: 1 PID: 8927 at fs/udf/truncate.c:224 udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1
Modules linked in:
CPU: 1 UID: 0 PID: 8927 Comm: syz.0.294 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1
lr : udf_truncate_extents+0xa7c/0xbd4 fs/udf/truncate.c:224
sp : ffff80009be17640
x29: ffff80009be177f0 x28: 0000000000000000 x27: 000000000000000a
x26: ffff0000f99d2680 x25: ffff0000c97ac018 x24: dfff800000000000
x23: 000000000000000a x22: ffff80009be17700 x21: 0000000000000000
x20: ffff80009be176e0 x19: ffff0000f99d2798 x18: 00000000ffffffff
x17: ffff800093507000 x16: ffff800080535980 x15: 0000000000000001
x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000ff0100
x11: ffff0000cab39e80 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000cab39e80 x7 : ffff800081b8a568 x6 : 0000000000000000
x5 : 0000000000000001 x4 : ffff80009be17790 x3 : 0000000000000001
x2 : ffff80009be17708 x1 : 000000000000000a x0 : 0000000000000000
Call trace:
 udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1 (P)
 udf_write_failed+0x164/0x1b4 fs/udf/inode.c:178
 udf_write_begin+0x1f0/0x230 fs/udf/inode.c:265
 generic_perform_write+0x244/0x7bc mm/filemap.c:4175
 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4292
 udf_file_write_iter+0x254/0x5a4 fs/udf/file.c:111
 new_sync_write fs/read_write.c:593 [inline]
 vfs_write+0x540/0xa3c fs/read_write.c:686
 ksys_write+0x120/0x210 fs/read_write.c:738
 __do_sys_write fs/read_write.c:749 [inline]
 __se_sys_write fs/read_write.c:746 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:746
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x180 arch/arm64/kernel/entry-common.c:879
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
irq event stamp: 346
hardirqs last  enabled at (345): [<ffff80008062e138>] seqcount_lockdep_reader_access+0x80/0x104 include/linux/seqlock.h:74
hardirqs last disabled at (346): [<ffff80008b001bfc>] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574
softirqs last  enabled at (334): [<ffff8000803d88a0>] softirq_handle_end kernel/softirq.c:425 [inline]
softirqs last  enabled at (334): [<ffff8000803d88a0>] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607
softirqs last disabled at (305): [<ffff800080022028>] __do_softirq+0x14/0x20 kernel/softirq.c:613
---[ end trace 0000000000000000 ]---
9pnet_fd: Insufficient options for proto=fd