UDF-fs: warning (device loop1): udf_load_vrs: No anchor found
UDF-fs: Scanning with blocksize 512 failed
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7702 at fs/udf/truncate.c:224 udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1
Modules linked in:
CPU: 1 UID: 0 PID: 7702 Comm: syz.1.198 Not tainted syzkaller #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 : ffff8000a1757780
x29: ffff8000a1757920 x28: 0000000000000000 x27: 000000000000000a
x26: ffff0000f5500040 x25: ffff0000cccd2018 x24: dfff800000000000
x23: 000000000000000a x22: ffff8000a1757840 x21: 0000000000000000
x20: ffff8000a1757820 x19: ffff0000f5500158 x18: 00000000ffffffff
x17: ffff800093605000 x16: ffff8000805381bc x15: 0000000000000001
x14: 0000000000000002 x13: 0000000000000001 x12: 0000000000ff0100
x11: 0000000000080000 x10: 0000000000002688 x9 : ffff8000a4589000
x8 : 0000000000002689 x7 : ffff800081b78380 x6 : 0000000000000000
x5 : 0000000000000001 x4 : ffff8000a17578d0 x3 : 0000000000000001
x2 : ffff8000a1757848 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_direct_IO+0x1b8/0x1f8 fs/udf/inode.c:314
 generic_file_direct_write+0x1a8/0x350 mm/filemap.c:4109
 __generic_file_write_iter+0x10c/0x204 mm/filemap.c:4278
 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_pwrite64 fs/read_write.c:793 [inline]
 __do_sys_pwrite64 fs/read_write.c:801 [inline]
 __se_sys_pwrite64 fs/read_write.c:798 [inline]
 __arm64_sys_pwrite64+0x170/0x208 fs/read_write.c:798
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 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+0x5c/0x254 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:763
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
irq event stamp: 4918
hardirqs last  enabled at (4917): [<ffff800080c664d0>] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234
hardirqs last disabled at (4918): [<ffff80008b05ee64>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434
softirqs last  enabled at (4866): [<ffff800080202608>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (4864): [<ffff8000802025d4>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---