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) ------------[ cut here ]------------ WARNING: CPU: 1 PID: 8826 at fs/udf/inode.c:2047 __udf_add_aext+0x54c/0x6f0 Modules linked in: CPU: 1 PID: 8826 Comm: syz-executor.0 Not tainted 6.6.0-rc5-syzkaller-00250-g70f8c6f8f880 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 RIP: 0010:__udf_add_aext+0x54c/0x6f0 fs/udf/inode.c:2046 Code: 4c 89 e7 e8 f6 8f e2 fe 49 8b 3c 24 4c 89 fe e8 7a e8 02 ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e4 9e 85 fe <0f> 0b e9 ed fb ff ff e8 d8 9e 85 fe 0f 0b e9 5c fc ff ff e8 cc 9e RSP: 0018:ffffc9000bbaec98 EFLAGS: 00010293 RAX: ffffffff8307957c RBX: 1ffff92001775ddd RCX: ffff88801f278000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff83079162 R09: ffffffff83079092 R10: 0000000000000002 R11: ffff88801f278000 R12: ffffc9000bbaeee0 R13: 0000000000000008 R14: dffffc0000000000 R15: ffffc9000bbaeee8 FS: 00007fc08b9126c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc08b8f1d58 CR3: 0000000025b7e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_add_aext fs/udf/inode.c:2104 [inline] udf_insert_aext fs/udf/inode.c:2266 [inline] udf_update_extents fs/udf/inode.c:1183 [inline] inode_getblk fs/udf/inode.c:898 [inline] udf_map_block+0x3eb3/0x5560 fs/udf/inode.c:444 __udf_get_block+0x122/0x410 fs/udf/inode.c:458 __block_write_begin_int+0x549/0x1a90 fs/buffer.c:2120 __block_write_begin fs/buffer.c:2169 [inline] block_write_begin+0x97/0x1e0 fs/buffer.c:2228 udf_write_begin+0x109/0x190 fs/udf/inode.c:261 generic_perform_write+0x317/0x630 mm/filemap.c:3969 udf_file_write_iter+0x2f9/0x660 fs/udf/file.c:111 do_iter_write+0x84b/0xdd0 fs/read_write.c:860 iter_file_splice_write+0x869/0x1010 fs/splice.c:736 do_splice_from fs/splice.c:933 [inline] direct_splice_actor+0xe6/0x1c0 fs/splice.c:1142 splice_direct_to_actor+0x372/0x9e0 fs/splice.c:1088 do_splice_direct+0x2a8/0x3f0 fs/splice.c:1194 do_sendfile+0x61f/0x1060 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x178/0x1e0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc08ac7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc08b9120c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007fc08ad9bf80 RCX: 00007fc08ac7cae9 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005 RBP: 00007fc08acc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fc08ad9bf80 R15: 00007ffe383c0da8