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: error (device loop0): udf_read_tagged: tag checksum failed, block 160: 0xd2 != 0xd4 UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5336 at fs/udf/inode.c:2088 __udf_add_aext+0x524/0x6d0 fs/udf/inode.c:2087 Modules linked in: CPU: 0 UID: 0 PID: 5336 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~bpo12+1 04/01/2014 RIP: 0010:__udf_add_aext+0x524/0x6d0 fs/udf/inode.c:2087 Code: 9c e9 fe 49 8b 3e 4c 89 e6 e8 d8 86 0c ff 31 c0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 3d 70 82 fe 90 <0f> 0b 90 e9 14 fc ff ff e8 2f 70 82 fe 90 0f 0b 90 e9 66 fd ff ff RSP: 0018:ffffc9000d38f000 EFLAGS: 00010246 RAX: ffffffff833c1ec3 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc9000dfea000 RSI: 00000000000fffff RDI: 0000000000100000 RBP: 1ffff92001a71e3b R08: ffff88801fd24900 R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000000 R13: 0000000000000004 R14: ffffc9000d38f1d0 R15: ffffc9000d38f1d8 FS: 00007f2f077ed6c0(0000) GS:ffff88808d97f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f001ff000 CR3: 0000000041ee1000 CR4: 0000000000352ef0 Call Trace: udf_add_aext fs/udf/inode.c:2145 [inline] udf_insert_aext fs/udf/inode.c:2327 [inline] udf_update_extents fs/udf/inode.c:1212 [inline] inode_getblk fs/udf/inode.c:926 [inline] udf_map_block+0x358d/0x45f0 fs/udf/inode.c:454 __udf_get_block+0x52/0x250 fs/udf/inode.c:468 __block_write_begin_int+0x6b2/0x1900 fs/buffer.c:2145 block_write_begin+0x8a/0x120 fs/buffer.c:2256 udf_write_begin+0x115/0x270 fs/udf/inode.c:262 generic_perform_write+0x2c2/0x900 mm/filemap.c:4242 udf_file_write_iter+0x2d5/0x6c0 fs/udf/file.c:111 iter_file_splice_write+0x975/0x10e0 fs/splice.c:738 do_splice_from fs/splice.c:938 [inline] direct_splice_actor+0x101/0x160 fs/splice.c:1161 splice_direct_to_actor+0x5a5/0xcc0 fs/splice.c:1105 do_splice_direct_actor fs/splice.c:1204 [inline] do_splice_direct+0x181/0x270 fs/splice.c:1230 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370 __do_sys_sendfile64 fs/read_write.c:1431 [inline] __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417 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: 0033:0x7f2f0b38eec9 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:00007f2f077ed038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f2f0b5e5fa0 RCX: 00007f2f0b38eec9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000006 RBP: 00007f2f0b411f91 R08: 0000000000000000 R09: 0000000000000000 R10: 000000007a680000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2f0b5e6038 R14: 00007f2f0b5e5fa0 R15: 00007fff469000c8