loop3: detected capacity change from 0 to 2048 UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 3721 at fs/udf/inode.c:2025 __udf_add_aext+0x54c/0x6f0 Modules linked in: CPU: 0 PID: 3721 Comm: syz.3.40 Not tainted 5.15.161-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:__udf_add_aext+0x54c/0x6f0 fs/udf/inode.c:2024 Code: 4c 89 e7 e8 16 f2 ef fe 49 8b 3c 24 4c 89 fe e8 3a 58 0b ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 94 23 a6 fe <0f> 0b e9 ed fb ff ff e8 88 23 a6 fe 0f 0b e9 5c fc ff ff e8 7c 23 RSP: 0018:ffffc900011ff3b8 EFLAGS: 00010287 RAX: ffffffff82da373c RBX: 1ffff9200023febd RCX: 0000000000040000 RDX: ffffc900048c1000 RSI: 0000000000007504 RDI: 0000000000007505 RBP: 0000000000000000 R08: ffffffff82da3322 R09: ffffffff82da3252 R10: 0000000000000002 R11: ffff888013fe3b80 R12: ffffc900011ff5e0 R13: 0000000000000004 R14: dffffc0000000000 R15: ffffc900011ff5e8 FS: 00007f2f70ad86c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020030000 CR3: 000000002383d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_add_aext fs/udf/inode.c:2082 [inline] udf_insert_aext fs/udf/inode.c:2244 [inline] udf_update_extents fs/udf/inode.c:1172 [inline] inode_getblk fs/udf/inode.c:888 [inline] udf_get_block+0x3ccb/0x5360 fs/udf/inode.c:448 __block_write_begin_int+0x60b/0x1650 fs/buffer.c:2012 __block_write_begin fs/buffer.c:2062 [inline] block_write_begin+0x4f/0xc0 fs/buffer.c:2122 udf_write_begin+0x36/0x70 fs/udf/inode.c:212 generic_perform_write+0x2bf/0x5b0 mm/filemap.c:3785 __generic_file_write_iter+0x243/0x4f0 mm/filemap.c:3912 udf_file_write_iter+0x28d/0x530 fs/udf/file.c:163 call_write_iter include/linux/fs.h:2172 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0xacf/0xe50 fs/read_write.c:594 ksys_write+0x1a2/0x2c0 fs/read_write.c:647 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f2f72057bd9 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:00007f2f70ad8048 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f2f721e5f60 RCX: 00007f2f72057bd9 RDX: 0000000000001006 RSI: 0000000020001080 RDI: 0000000000000004 RBP: 00007f2f720c6aa1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f2f721e5f60 R15: 00007fff3b2289a8