loop4: detected capacity change from 0 to 2048 UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ WARNING: CPU: 1 PID: 6017 at fs/udf/inode.c:1935 __udf_add_aext+0x54c/0x6f0 Modules linked in: CPU: 1 PID: 6017 Comm: syz.4.254 Not tainted 5.15.175-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__udf_add_aext+0x54c/0x6f0 fs/udf/inode.c:1934 Code: 4c 89 e7 e8 46 6b e5 fe 49 8b 3c 24 4c 89 fe e8 aa d9 00 ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 04 8f 9b fe <0f> 0b e9 ed fb ff ff e8 f8 8e 9b fe 0f 0b e9 5c fc ff ff e8 ec 8e RSP: 0018:ffffc900032df118 EFLAGS: 00010283 RAX: ffffffff82e4f5dc RBX: 1ffff9200065bee1 RCX: 0000000000080000 RDX: ffffc90005ee2000 RSI: 000000000000e374 RDI: 000000000000e375 RBP: 00000000000001d0 R08: ffffffff82e4f1c2 R09: ffffffff82e4f0f2 R10: 0000000000000002 R11: ffff888029cf0000 R12: ffffc900032df700 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900032df708 FS: 00007feb8baff6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c2b51c2 CR3: 0000000063f3c000 CR4: 00000000003526e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_setup_indirect_aext+0x6bc/0x980 fs/udf/inode.c:1900 udf_add_aext fs/udf/inode.c:1987 [inline] udf_do_extend_file+0x6df/0x1140 fs/udf/inode.c:472 inode_getblk fs/udf/inode.c:708 [inline] udf_get_block+0x1727/0x5360 fs/udf/inode.c:358 __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:2174 [inline] new_sync_write fs/read_write.c:507 [inline] vfs_write+0xacd/0xe50 fs/read_write.c:594 ksys_pwrite64 fs/read_write.c:701 [inline] __do_sys_pwrite64 fs/read_write.c:711 [inline] __se_sys_pwrite64 fs/read_write.c:708 [inline] __x64_sys_pwrite64+0x1a9/0x230 fs/read_write.c:708 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: 0033:0x7feb8dc8ed29 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:00007feb8baff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007feb8de7efa0 RCX: 00007feb8dc8ed29 RDX: 0000000010000000 RSI: 0000000020000300 RDI: 0000000000000004 RBP: 00007feb8dd0ab08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000010000000005 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007feb8de7efa0 R15: 00007fff9e060b88