UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ within_last_ext && elen > ((loff_t)offset + 1) << inode->i_blkbits WARNING: fs/udf/inode.c:699 at udf_extend_file fs/udf/inode.c:698 [inline], CPU#1: syz.2.19/6081 WARNING: fs/udf/inode.c:699 at udf_setsize+0xcb2/0xf50 fs/udf/inode.c:1311, CPU#1: syz.2.19/6081 Modules linked in: CPU: 1 UID: 0 PID: 6081 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:udf_extend_file fs/udf/inode.c:698 [inline] RIP: 0010:udf_setsize+0xcb2/0xf50 fs/udf/inode.c:1311 Code: 5b 2a 11 48 3b 84 24 c0 00 00 00 75 7a 44 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 1f c3 5b fe 90 <0f> 0b 90 e9 b8 f8 ff ff 44 89 f9 80 e1 07 38 c1 0f 8c d6 f3 ff ff RSP: 0018:ffffc9000323fae0 EFLAGS: 00010293 RAX: ffffffff836cd531 RBX: ffff88806ba8db58 RCX: ffff88802d0d8000 RDX: 0000000000000000 RSI: 0000000000003e00 RDI: 0000000000003c00 RBP: ffffc9000323fbf8 R08: ffff88806ba8db1b R09: 1ffff1100d751b63 R10: dffffc0000000000 R11: ffffed100d751b64 R12: 0000000000003c00 R13: 0000000000003e00 R14: 0000000000000009 R15: 0000000000000001 FS: 00007f21055fe6c0(0000) GS:ffff888123bad000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6650ff2000 CR3: 0000000036ac0000 CR4: 00000000003526f0 Call Trace: udf_setattr+0x412/0x6f0 fs/udf/file.c:238 notify_change+0xbba/0xea0 fs/attr.c:556 do_truncate+0x1c2/0x250 fs/open.c:68 do_ftruncate+0x4d4/0x580 fs/open.c:194 ksys_ftruncate fs/open.c:206 [inline] __do_sys_ftruncate fs/open.c:211 [inline] __se_sys_ftruncate fs/open.c:209 [inline] __x64_sys_ftruncate+0x8f/0xe0 fs/open.c:209 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2105f9e1d9 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:00007f21055fe028 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f2106225fa0 RCX: 00007f2105f9e1d9 RDX: 0000000000000000 RSI: 0000000000004a8e RDI: 0000000000000004 RBP: 00007f2106035888 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2106226038 R14: 00007f2106225fa0 R15: 00007ffceac632b8