------------[ cut here ]------------
WARNING: CPU: 0 PID: 4966 at fs/udf/truncate.c:209 udf_truncate_extents+0xcd2/0xe50 fs/udf/truncate.c:209
Modules linked in:
CPU: 0 PID: 4966 Comm: syz.0.100 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:udf_truncate_extents+0xcd2/0xe50 fs/udf/truncate.c:209
Code: 25 28 00 00 00 48 3b 84 24 60 01 00 00 0f 85 b4 00 00 00 44 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ce a9 97 fe <0f> 0b 49 bd 00 00 00 00 00 fc ff df e9 61 ff ff ff 44 89 f9 80 e1
RSP: 0018:ffffc900034f79e0 EFLAGS: 00010287
RAX: ffffffff82ea77d2 RBX: ffff8880721b1490 RCX: 0000000000080000
RDX: ffffc9000f23c000 RSI: 0000000000012f8c RDI: 0000000000012f8d
RBP: ffffc900034f7b90 R08: ffff888074b60ee3 R09: 1ffff1100e96c1dc
R10: dffffc0000000000 R11: ffffed100e96c1dd R12: 00000073c200e1fb
R13: 1ffff1100e43626f R14: 00000000000000ff R15: 0000000000000000
FS:  00007fedf7a516c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f39523eb540 CR3: 000000005596c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_setsize+0xd92/0x10c0 fs/udf/inode.c:1174
 udf_setattr+0x404/0x560 fs/udf/file.c:279
 notify_change+0xca0/0xf90 fs/attr.c:499
 do_truncate+0x1ac/0x240 fs/open.c:65
 do_sys_ftruncate+0x312/0x3c0 fs/open.c:193
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fedf6b9de59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fedf7a51028 EFLAGS: 00000246 ORIG_RAX: 000000000000004d
RAX: ffffffffffffffda RBX: 00007fedf6e26090 RCX: 00007fedf6b9de59
RDX: 0000000000000000 RSI: 0000008002007ffb RDI: 0000000000000004
RBP: 00007fedf6c33e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fedf6e26128 R14: 00007fedf6e26090 R15: 00007ffd4b513258
 </TASK>