------------[ cut here ]------------
WARNING: CPU: 0 PID: 4776 at fs/udf/truncate.c:209 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1
Modules linked in:
CPU: 0 PID: 4776 Comm: syz.3.76 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1
lr : udf_truncate_extents+0xa08/0xb60 fs/udf/truncate.c:209
sp : ffff800021cc7560
x29: ffff800021cc76e0 x28: 00000000000000ff x27: 0000000000000000
x26: ffff0000f5e499e0 x25: 00000020ff7ffffc x24: 000000003f810000
x23: ffff0000d5d9a000 x22: ffff800021cc7600 x21: 1fffe0001ebc933c
x20: ffff800021cc75e0 x19: ffff0000f5e49af8 x18: ffff800011abbcc0
x17: 1fffe00033ed797e x16: ffff8000082d10fc x15: 0000000000000002
x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000
x11: 00000000000062d5 x10: ffff80002701a000 x9 : ffff80000982f2a8
x8 : 00000000000062d6 x7 : ffff80000981813c x6 : 0000000000000000
x5 : 0000000000000001 x4 : ffff800021cc7454 x3 : 0000000000000001
x2 : ffff800021cc7608 x1 : 000000003f8101fc x0 : 0000000000000000
Call trace:
 udf_truncate_extents+0xa0c/0xb60 fs/udf/truncate.c:-1
 udf_do_extend_file+0xa14/0xd8c fs/udf/inode.c:479
 udf_extend_file fs/udf/inode.c:564 [inline]
 udf_setsize+0x8c8/0xd90 fs/udf/inode.c:1147
 udf_setattr+0x280/0x414 fs/udf/file.c:279
 notify_change+0xb0c/0xdcc fs/attr.c:499
 do_truncate+0x178/0x1f0 fs/open.c:65
 vfs_truncate+0x23c/0x2b0 fs/open.c:111
 do_sys_truncate+0xe8/0x1b0 fs/open.c:134
 __do_sys_truncate fs/open.c:146 [inline]
 __se_sys_truncate fs/open.c:144 [inline]
 __arm64_sys_truncate+0x5c/0x70 fs/open.c:144
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 6864
hardirqs last  enabled at (6863): [<ffff800008a7beec>] lookup_bh_lru fs/buffer.c:1291 [inline]
hardirqs last  enabled at (6863): [<ffff800008a7beec>] __find_get_block+0x1c8/0xdfc fs/buffer.c:1303
hardirqs last disabled at (6864): [<ffff80001195cc30>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (6768): [<ffff8000080309e0>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (6766): [<ffff8000080309ac>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---