UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
------------[ cut here ]------------
WARNING: fs/udf/inode.c:683 at udf_extend_file fs/udf/inode.c:683 [inline], CPU#0: syz.3.252/6823
WARNING: fs/udf/inode.c:683 at udf_setsize+0xa54/0x1160 fs/udf/inode.c:1300, CPU#0: syz.3.252/6823
Modules linked in:
CPU: 0 UID: 0 PID: 6823 Comm: syz.3.252 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:udf_extend_file fs/udf/inode.c:683 [inline]
RIP: 0010:udf_setsize+0xa54/0x1160 fs/udf/inode.c:1300
Code: b6 71 fe 44 89 e1 44 8b a5 e0 fe ff ff 49 d3 e6 4c 89 f6 4c 89 e7 e8 cb b0 71 fe 4d 39 f4 0f 8e 76 fc ff ff e8 ad b6 71 fe 90 <0f> 0b 90 e9 68 fc ff ff e8 9f b6 71 fe 4c 8d a3 08 ff ff ff 4c 89
RSP: 0018:ffffc9000c357ab8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88807435ba28 RCX: ffffffff834d1f75
RDX: ffff88802db98000 RSI: ffffffff834d1f83 RDI: 0000000000000006
RBP: ffffc9000c357c60 R08: 0000000000000006 R09: 0000000000001000
R10: 0000000000000400 R11: ffff88802db98b30 R12: 0000000000001000
R13: 0000000000000001 R14: 0000000000000400 R15: ffff88807435baea
FS:  00007f18736306c0(0000) GS:ffff8881248f6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3ae9d7d000 CR3: 000000005e390000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 udf_setattr+0x51d/0x6b0 fs/udf/file.c:236
 notify_change+0x6d2/0x1290 fs/attr.c:546
 do_truncate+0x1d7/0x230 fs/open.c:68
 do_ftruncate+0x59e/0x920 fs/open.c:195
 do_sys_ftruncate+0x61/0xb0 fs/open.c:207
 __do_sys_ftruncate fs/open.c:212 [inline]
 __se_sys_ftruncate fs/open.c:210 [inline]
 __x64_sys_ftruncate+0x58/0x80 fs/open.c:210
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f187278f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f1873630038 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007f18729e5fa0 RCX: 00007f187278f749
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000004
RBP: 00007f1872813f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f18729e6038 R14: 00007f18729e5fa0 R15: 00007ffccb9daf88
 </TASK>