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:683 at udf_extend_file fs/udf/inode.c:682 [inline], CPU#1: syz.1.108/6254 WARNING: fs/udf/inode.c:683 at udf_setsize+0xde9/0x10b0 fs/udf/inode.c:1298, CPU#1: syz.1.108/6254 Modules linked in: CPU: 1 UID: 0 PID: 6254 Comm: syz.1.108 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:udf_extend_file fs/udf/inode.c:682 [inline] RIP: 0010:udf_setsize+0xde9/0x10b0 fs/udf/inode.c:1298 Code: 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 e6 e8 b9 fd cc e8 45 67 6f fe 45 89 f4 e9 2a fe ff ff e8 38 67 6f fe 90 <0f> 0b 90 e9 90 f7 ff ff 44 89 f1 80 e1 07 38 c1 0f 8c ab f2 ff ff RSP: 0018:ffffc90003527aa0 EFLAGS: 00010287 RAX: ffffffff83565838 RBX: ffff8880530594f8 RCX: 0000000000080000 RDX: ffffc9000404c000 RSI: 0000000000000423 RDI: 0000000000000424 RBP: ffffc90003527c00 R08: ffff8880530594bb R09: 1ffff1100a60b297 R10: dffffc0000000000 R11: ffffed100a60b298 R12: 0000000000000001 R13: 1ffff920006a4f68 R14: 0000000000000200 R15: 0000000000001000 FS: 00007f006cfa66c0(0000) GS:ffff88812538d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000000051c CR3: 000000004e3f5000 CR4: 0000000000350ef0 Call Trace: udf_setattr+0x3a1/0x5a0 fs/udf/file.c:245 notify_change+0xc1a/0xf40 fs/attr.c:556 do_truncate+0x1c2/0x250 fs/open.c:68 do_ftruncate+0x490/0x540 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:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f006c19cdd9 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:00007f006cfa6028 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f006c415fa0 RCX: 00007f006c19cdd9 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000007 RBP: 00007f006c232d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f006c416038 R14: 00007f006c415fa0 R15: 00007ffd68417708