loop0: detected capacity change from 0 to 128 UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256 UDF-fs: error (device loop0): udf_bitmap_new_block: bitmap for partition 0 corrupted (block 264 marked as free, partition length is 40) UDF-fs: error (device loop0): udf_bitmap_new_block: bitmap for partition 0 corrupted (block 264 marked as free, partition length is 40) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5319 at fs/udf/truncate.c:224 udf_truncate_extents+0xd4c/0xec0 fs/udf/truncate.c:224 Modules linked in: CPU: 0 UID: 0 PID: 5319 Comm: syz.0.0 Not tainted 6.16.0-rc3-syzkaller-00044-g7595b66ae9de #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_truncate_extents+0xd4c/0xec0 fs/udf/truncate.c:224 Code: f1 64 0f 48 3b 84 24 80 01 00 00 75 77 44 89 e0 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 9b 83 31 08 cc e8 15 4e 88 fe 90 <0f> 0b 90 eb 88 44 89 e9 80 e1 07 38 c1 0f 8c e4 f3 ff ff 4c 89 ef RSP: 0018:ffffc9000d2978a0 EFLAGS: 00010287 RAX: ffffffff8337ff0b RBX: 1ffff1100883926c RCX: 0000000000100000 RDX: ffffc9000ddb2000 RSI: 0000000000000cd0 RDI: 0000000000000cd1 RBP: ffffc9000d297a78 R08: ffff88801fbd2440 R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000 R13: 0000000000000000 R14: 000000000000000a R15: 000000000000000a FS: 00007f2b786bf6c0(0000) GS:ffff88808d251000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2b6c5ff000 CR3: 000000003561e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_write_failed+0x185/0x1c0 fs/udf/inode.c:178 udf_write_begin+0x1fd/0x260 fs/udf/inode.c:259 generic_perform_write+0x2c7/0x910 mm/filemap.c:4112 udf_file_write_iter+0x2d5/0x6c0 fs/udf/file.c:111 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x54b/0xa90 fs/read_write.c:686 ksys_write+0x145/0x250 fs/read_write.c:738 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: 0033:0x7f2b7778e929 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:00007f2b786bf038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f2b779b5fa0 RCX: 00007f2b7778e929 RDX: 0000000000002001 RSI: 0000200000000240 RDI: 000000000000000c RBP: 00007f2b77810b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2b779b5fa0 R15: 00007fff700c8ea8