loop2: detected capacity change from 0 to 2048 UDF-fs: error (device loop2): 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: 0 PID: 14373 at fs/udf/inode.c:2046 __udf_add_aext+0x550/0x6f0 Modules linked in: CPU: 0 PID: 14373 Comm: syz-executor.2 Not tainted 6.5.0-rc2-syzkaller-00221-gf7e3a1bafdea #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 RIP: 0010:__udf_add_aext+0x550/0x6f0 fs/udf/inode.c:2045 Code: 4c 89 e7 e8 62 e4 e2 fe 49 8b 3c 24 4c 89 fe e8 d6 c4 02 ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 30 28 8a fe <0f> 0b e9 ed fb ff ff e8 24 28 8a fe 0f 0b e9 5c fc ff ff e8 18 28 RSP: 0018:ffffc9000bf0eb18 EFLAGS: 00010246 RAX: ffffffff8301dd60 RBX: 1ffff920017e1dfd RCX: 0000000000040000 RDX: ffffc90004183000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 0000000000000000 R08: ffffffff8301d946 R09: ffffffff8301d876 R10: 0000000000000002 R11: ffff888021373b80 R12: ffffc9000bf0efe0 R13: 0000000000000004 R14: dffffc0000000000 R15: ffffc9000bf0efe8 FS: 00007f2c989fe6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020001000 CR3: 0000000028c02000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_add_aext fs/udf/inode.c:2103 [inline] udf_do_extend_file+0xcb5/0x11e0 fs/udf/inode.c:588 inode_getblk fs/udf/inode.c:818 [inline] udf_map_block+0x16c0/0x4ff0 fs/udf/inode.c:446 __udf_get_block+0x126/0x410 fs/udf/inode.c:460 __block_write_begin_int+0x555/0x1a60 fs/buffer.c:2128 __block_write_begin fs/buffer.c:2178 [inline] block_write_begin+0x9c/0x1f0 fs/buffer.c:2239 udf_write_begin+0x10d/0x1a0 fs/udf/inode.c:261 generic_perform_write+0x31b/0x630 mm/filemap.c:3923 udf_file_write_iter+0x2fd/0x660 fs/udf/file.c:111 do_iter_write+0x84f/0xde0 fs/read_write.c:860 iter_file_splice_write+0x86d/0x1010 fs/splice.c:739 do_splice_from fs/splice.c:934 [inline] direct_splice_actor+0xea/0x1c0 fs/splice.c:1143 splice_direct_to_actor+0x376/0x9e0 fs/splice.c:1089 do_splice_direct+0x2ac/0x3f0 fs/splice.c:1195 do_sendfile+0x623/0x1070 fs/read_write.c:1254 __do_sys_sendfile64 fs/read_write.c:1322 [inline] __se_sys_sendfile64+0x17c/0x1e0 fs/read_write.c:1308 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f2c99e7cb29 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:00007f2c989fe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f2c99f9bf80 RCX: 00007f2c99e7cb29 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005 RBP: 00007f2c99ec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f2c99f9bf80 R15: 00007ffccd077718