UDF-fs: error (device loop4): udf_bitmap_new_block: bitmap for partition 0 corrupted (block 264 marked as free, partition length is 40)
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WARNING: CPU: 0 PID: 7024 at fs/udf/truncate.c:224 udf_truncate_extents+0xa80/0xbd4 fs/udf/truncate.c:-1
Modules linked in:
CPU: 0 UID: 0 PID: 7024 Comm: syz.4.73 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
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 : ffff80009e417640
x29: ffff80009e4177f0 x28: 0000000000000000 x27: 000000000000000a
x26: ffff0000f55e1980 x25: ffff0000c9008018 x24: dfff800000000000
x23: 000000000000000a x22: ffff80009e417700 x21: 0000000000000000
x20: ffff80009e4176e0 x19: ffff0000f55e1a98 x18: 0000000000000000
x17: ffff800093303000 x16: ffff80008053739c x15: 0000000000000001
x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000ff0100
x11: ffff0000c7785c40 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c7785c40 x7 : ffff800081bbb468 x6 : 0000000000000000
x5 : 0000000000000001 x4 : ffff80009e417790 x3 : 0000000000000001
x2 : ffff80009e417708 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:4242
 __generic_file_write_iter+0xfc/0x204 mm/filemap.c:4359
 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+0x98/0x254 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:746
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
irq event stamp: 534
hardirqs last  enabled at (533): [<ffff80008adf2734>] irqentry_exit+0xd8/0x108 kernel/entry/common.c:214
hardirqs last disabled at (534): [<ffff80008adecb80>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:434
softirqs last  enabled at (488): [<ffff8000801f95fc>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (486): [<ffff8000801f95c8>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---