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) UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5314 at fs/udf/inode.c:677 udf_extend_file fs/udf/inode.c:676 [inline] WARNING: CPU: 0 PID: 5314 at fs/udf/inode.c:677 udf_setsize+0xd4e/0x1000 fs/udf/inode.c:1293 Modules linked in: CPU: 0 UID: 0 PID: 5314 Comm: syz.0.0 Not tainted 6.15.0-rc5-syzkaller #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 c3 cc cc cc cc cc e8 40 85 8e fe 45 89 f4 e9 49 fe ff ff e8 33 85 8e 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:ffffc9000d59fae0 EFLAGS: 00010293 RAX: ffffffff83314b1d RBX: ffff88804493ce18 RCX: ffff88801e8ec880 RDX: 0000000000000000 RSI: 0000000000000800 RDI: 0000000000000200 RBP: ffffc9000d59fc08 R08: ffff88804493cddb R09: 1ffff110089279bb R10: dffffc0000000000 R11: ffffed10089279bc R12: 0000000000000001 R13: 000000000000001f R14: 0000000000000200 R15: 0000000000000800 FS: 00007fc4929b76c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000003c0 CR3: 0000000042602000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> udf_setattr+0x3a1/0x5a0 fs/udf/file.c:236 notify_change+0xb33/0xe40 fs/attr.c:552 do_truncate+0x19a/0x220 fs/open.c:65 do_ftruncate+0x489/0x540 fs/open.c:192 do_sys_ftruncate fs/open.c:207 [inline] __do_sys_ftruncate fs/open.c:212 [inline] __se_sys_ftruncate fs/open.c:210 [inline] __x64_sys_ftruncate+0x92/0xf0 fs/open.c:210 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc491b8e969 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:00007fc4929b7038 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007fc491db5fa0 RCX: 00007fc491b8e969 RDX: 0000000000000000 RSI: 000000000000001f RDI: 0000000000000004 RBP: 00007fc491c10ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc491db5fa0 R15: 00007ffca1d24298 </TASK>