loop0: detected capacity change from 0 to 2048 UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5331 at fs/udf/inode.c:677 udf_extend_file fs/udf/inode.c:676 [inline] WARNING: CPU: 0 PID: 5331 at fs/udf/inode.c:677 udf_setsize+0xd4e/0x1000 fs/udf/inode.c:1293 Modules linked in: CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted 6.16.0-rc4-syzkaller-00013-g66701750d556 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:udf_extend_file fs/udf/inode.c:676 [inline] RIP: 0010:udf_setsize+0xd4e/0x1000 fs/udf/inode.c:1293 Code: 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 46 9c 34 08 cc e8 40 18 8b fe 45 89 f4 e9 49 fe ff ff e8 33 18 8b fe 90 <0f> 0b 90 e9 00 f8 ff ff 44 89 e9 80 e1 07 38 c1 0f 8c 49 f3 ff ff RSP: 0018:ffffc9000fd9fac0 EFLAGS: 00010293 RAX: ffffffff8335366d RBX: ffff888053040e18 RCX: ffff888000282440 RDX: 0000000000000000 RSI: 0000000000001000 RDI: 0000000000000200 RBP: ffffc9000fd9fbe8 R08: ffff888053040ddb R09: 1ffff1100a6081bb R10: dffffc0000000000 R11: ffffed100a6081bc R12: 0000000000000001 R13: 000000000000001f R14: 0000000000000200 R15: 0000000000001000 FS: 00007f348d5676c0(0000) GS:ffff88808d250000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000200 CR3: 0000000043eb0000 CR4: 0000000000352ef0 Call Trace: udf_setattr+0x3a1/0x5a0 fs/udf/file.c:236 notify_change+0xb33/0xe40 fs/attr.c:552 do_truncate+0x1a4/0x220 fs/open.c:68 do_ftruncate+0x489/0x540 fs/open.c:195 do_sys_ftruncate fs/open.c:210 [inline] __do_sys_ftruncate fs/open.c:215 [inline] __se_sys_ftruncate fs/open.c:213 [inline] __x64_sys_ftruncate+0x92/0xf0 fs/open.c:213 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f348c78e929 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:00007f348d567038 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f348c9b5fa0 RCX: 00007f348c78e929 RDX: 0000000000000000 RSI: 000000000000001f RDI: 0000000000000005 RBP: 00007f348c810b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f348c9b5fa0 R15: 00007fff4ec2bf88