loop0: detected capacity change from 0 to 128 UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ byte_offset WARNING: fs/udf/truncate.c:224 at udf_truncate_extents+0xd79/0xef0 fs/udf/truncate.c:224, CPU#0: syz.0.0/5312 Modules linked in: CPU: 0 UID: 0 PID: 5312 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 RIP: 0010:udf_truncate_extents+0xd79/0xef0 fs/udf/truncate.c:224 Code: db 0b 10 48 3b 84 24 80 01 00 00 75 7a 44 89 f0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 be 23 75 08 cc e8 b8 cc 64 fe 90 <0f> 0b 90 e9 67 ff ff ff 44 89 f9 80 e1 07 38 c1 0f 8c f3 f3 ff ff RSP: 0018:ffffc9000f47f8c0 EFLAGS: 00010283 RAX: ffffffff83624528 RBX: 000000000000000a RCX: 0000000000100000 RDX: ffffc9000eb92000 RSI: 00000000000007c0 RDI: 00000000000007c1 RBP: ffffc9000f47fa98 R08: ffff88803d492540 R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000002 R12: 000000000000000a R13: 1ffff110087a080a R14: 0000000000000000 R15: 0000000000000000 FS: 00007f971b7536c0(0000) GS:ffff88808c53e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f971aa27da9 CR3: 000000001fd4c000 CR4: 0000000000352ef0 Call Trace: udf_write_failed+0x168/0x1b0 fs/udf/inode.c:180 udf_write_begin+0x215/0x270 fs/udf/inode.c:264 generic_perform_write+0x2d5/0x8f0 mm/filemap.c:4364 udf_file_write_iter+0x2e8/0x6c0 fs/udf/file.c:112 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x612/0xba0 fs/read_write.c:687 ksys_pwrite64 fs/read_write.c:794 [inline] __do_sys_pwrite64 fs/read_write.c:802 [inline] __se_sys_pwrite64 fs/read_write.c:799 [inline] __x64_sys_pwrite64+0x196/0x220 fs/read_write.c:799 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f971a79e0d9 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:00007f971b752fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f971aa25fa0 RCX: 00007f971a79e0d9 RDX: 000000000000fdef RSI: 0000200000000140 RDI: 0000000000000008 RBP: 00007f971a835024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000c00 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f971aa26038 R14: 00007f971aa25fa0 R15: 00007ffeab001218