loop8: 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: 7071 at fs/udf/inode.c:2080 __udf_add_aext+0x555/0x700 fs/udf/inode.c:2079 Modules linked in: CPU: 1 UID: 0 PID: 7071 Comm: syz.8.258 Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__udf_add_aext+0x555/0x700 fs/udf/inode.c:2079 Code: ed d9 fe 49 8b 3c 24 4c 89 fe e8 76 64 fe fe 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d e9 1c 96 cb 08 e8 2c 2f 70 fe 90 <0f> 0b 90 e9 e7 fb ff ff e8 1e 2f 70 fe 90 0f 0b 90 e9 54 fc ff ff RSP: 0018:ffffc900033af278 EFLAGS: 00010287 RAX: ffffffff8324aaf4 RBX: 1ffff92000675e9b RCX: 0000000000040000 RDX: ffffc9001aeef000 RSI: 00000000000058b0 RDI: 00000000000058b1 RBP: 0000000000000000 R08: ffffffff8324a6d6 R09: ffffffff8324a606 R10: 0000000000000002 R11: ffff888027de1e00 R12: ffffc900033af4d0 R13: 0000000000000004 R14: dffffc0000000000 R15: ffffc900033af4d8 FS: 00007f1aef8b16c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f713ff8 CR3: 00000000274a4000 CR4: 0000000000350ef0 Call Trace: udf_add_aext fs/udf/inode.c:2137 [inline] udf_insert_aext fs/udf/inode.c:2316 [inline] udf_update_extents fs/udf/inode.c:1204 [inline] inode_getblk fs/udf/inode.c:918 [inline] udf_map_block+0x3e16/0x5340 fs/udf/inode.c:447 __udf_get_block+0x126/0x410 fs/udf/inode.c:461 __block_write_begin_int+0x50e/0x1a70 fs/buffer.c:2121 block_write_begin+0x8f/0x120 fs/buffer.c:2231 udf_write_begin+0x104/0x350 fs/udf/inode.c:256 generic_perform_write+0x346/0x6d0 mm/filemap.c:4054 udf_file_write_iter+0x2fc/0x660 fs/udf/file.c:111 new_sync_write fs/read_write.c:590 [inline] vfs_write+0xaed/0xd30 fs/read_write.c:683 ksys_write+0x183/0x2b0 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1aeeb7e719 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:00007f1aef8b1038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f1aeed35f80 RCX: 00007f1aeeb7e719 RDX: 00000000fffffdef RSI: 00000000200000c0 RDI: 0000000000000005 RBP: 00007f1aeebf132e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f1aeed35f80 R15: 00007fff2fe3a4b8