------------[ cut here ]------------
WARNING: CPU: 0 PID: 4654 at fs/udf/truncate.c:208 udf_truncate_extents+0xf90/0x11a0 fs/udf/truncate.c:-1
Modules linked in:
CPU: 1 PID: 4654 Comm: syz.1.91 Not tainted 5.15.180-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:udf_truncate_extents+0xf90/0x11a0 fs/udf/truncate.c:208
Code: 5c 41 5d 41 5e 41 5f 5d c3 e8 6c 52 99 fe 41 be fb ff ff ff 48 8b 5c 24 60 49 bc 00 00 00 00 00 fc ff df eb 87 e8 50 52 99 fe <0f> 0b e9 7b ff ff ff 48 8d 8c 24 60 01 00 00 80 e1 07 80 c1 03 38
RSP: 0018:ffffc900031cf6e0 EFLAGS: 00010283
RAX: ffffffff82e74b90 RBX: 1ffff92000639ef4 RCX: 0000000000080000
RDX: ffffc9000e42a000 RSI: 00000000000038c1 RDI: 00000000000038c2
RBP: ffffc900031cf8d0 R08: ffffffff82e7408b R09: ffffffff82e52beb
R10: 0000000000000002 R11: ffff8880185f0000 R12: dffffc0000000000
R13: 0000000007f2f462 R14: 0000000000000000 R15: 00000000000000ff
FS:  00007fac17d0f6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31b05ff8 CR3: 000000005bc30000 CR4: 00000000003526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_do_extend_file+0xdc9/0x1140 fs/udf/inode.c:501
 udf_extend_file fs/udf/inode.c:586 [inline]
 udf_setsize+0xd3c/0x1430 fs/udf/inode.c:1156
 udf_setattr+0x36c/0x540 fs/udf/file.c:277
 notify_change+0xc6d/0xf50 fs/attr.c:505
 do_truncate+0x21c/0x300 fs/open.c:65
 vfs_truncate+0x2dd/0x3a0 fs/open.c:111
 do_sys_truncate+0xda/0x190 fs/open.c:134
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fac19ec8169
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:00007fac17d0f038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007fac1a0f0080 RCX: 00007fac19ec8169
RDX: 0000000000000000 RSI: 000000400000f000 RDI: 0000200000000080
RBP: 00007fac19f4aa68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fac1a0f0080 R15: 00007fff12ebbaa8
 </TASK>