loop0: detected capacity change from 0 to 2048 ======================================================= WARNING: The mand mount option has been deprecated and and is ignored by this kernel. Remove the mand option from the mount to silence this warning. ======================================================= 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 ]------------ le32_to_cpu(aed->lengthAllocDescs) != epos->offset - sizeof(struct allocExtDesc) WARNING: fs/udf/inode.c:2086 at __udf_add_aext+0x52b/0x6e0 fs/udf/inode.c:2085, CPU#0: syz.0.0/5323 Modules linked in: CPU: 0 UID: 0 PID: 5323 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_add_aext+0x52b/0x6e0 fs/udf/inode.c:2085 Code: 81 c4 48 ff ff ff 4c 89 e6 e8 f1 f6 fc fe 31 c0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 36 c3 66 fe 90 <0f> 0b 90 e9 0d fc ff ff e8 28 c3 66 fe 90 0f 0b 90 e9 5f fd ff ff RSP: 0018:ffffc9000e9ef038 EFLAGS: 00010283 RAX: ffffffff83604e7a RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc9000f421000 RSI: 00000000000038fd RDI: 00000000000038fe RBP: 1ffff92001d3de9d R08: ffff88801fbb2540 R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000002 R12: 00000000000001d0 R13: 0000000000000000 R14: ffffc9000e9ef4e0 R15: ffffc9000e9ef4e8 FS: 00007f53079a16c0(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5306df7000 CR3: 0000000012a6a000 CR4: 0000000000352ef0 Call Trace: udf_setup_indirect_aext+0x619/0x800 fs/udf/inode.c:2048 udf_add_aext fs/udf/inode.c:2138 [inline] udf_do_extend_file+0x8a2/0x11e0 fs/udf/inode.c:590 inode_getblk fs/udf/inode.c:842 [inline] udf_map_block+0xfc0/0x4280 fs/udf/inode.c:453 __udf_get_block+0x52/0x250 fs/udf/inode.c:467 __block_write_begin_int+0x6c2/0x1900 fs/buffer.c:2123 block_write_begin+0x8d/0x120 fs/buffer.c:2234 udf_write_begin+0x118/0x270 fs/udf/inode.c:261 generic_perform_write+0x2d5/0x8f0 mm/filemap.c:4364 udf_file_write_iter+0x2e8/0x6c0 fs/udf/file.c:112 aio_write+0x5cd/0x870 fs/aio.c:1687 __io_submit_one fs/aio.c:-1 [inline] io_submit_one+0x798/0x13d0 fs/aio.c:2106 __do_sys_io_submit fs/aio.c:2165 [inline] __se_sys_io_submit+0x195/0x340 fs/aio.c:2135 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: 0033:0x7f5306b9e0d9 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:00007f53079a0fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00007f5306e25fa0 RCX: 00007f5306b9e0d9 RDX: 0000200000000540 RSI: 000000000000003b RDI: 00007f5306df7000 RBP: 00007f5306c35024 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f5306e26038 R14: 00007f5306e25fa0 R15: 00007fff351c7928