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: 6779 at fs/udf/inode.c:1930 __udf_add_aext+0x54c/0x6f0 Modules linked in: CPU: 0 PID: 6779 Comm: syz.3.451 Not tainted 6.1.114-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:1929 Code: 4c 89 e7 e8 86 54 e3 fe 49 8b 3c 24 4c 89 fe e8 8a 7a 02 ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 b4 d2 8b fe <0f> 0b e9 ed fb ff ff e8 a8 d2 8b fe 0f 0b e9 5c fc ff ff e8 9c d2 RSP: 0018:ffffc900046b7418 EFLAGS: 00010287 RAX: ffffffff82fec0ac RBX: 1ffff920008d6ec9 RCX: 0000000000040000 RDX: ffffc900059b1000 RSI: 0000000000009a3e RDI: 0000000000009a3f RBP: 0000000000000000 R08: ffffffff82febc92 R09: ffffffff82febbc2 R10: 0000000000000002 R11: ffff888077919dc0 R12: ffffc900046b7640 R13: 0000000000000004 R14: dffffc0000000000 R15: ffffc900046b7648 FS: 00007f2c2eeaa6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f8d478656c0 CR3: 0000000062dab000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_add_aext fs/udf/inode.c:1987 [inline] udf_insert_aext fs/udf/inode.c:2149 [inline] udf_update_extents fs/udf/inode.c:1083 [inline] inode_getblk fs/udf/inode.c:799 [inline] udf_get_block+0x3ccb/0x5360 fs/udf/inode.c:359 __block_write_begin_int+0x544/0x1a30 fs/buffer.c:1991 __block_write_begin fs/buffer.c:2041 [inline] block_write_begin+0x98/0x1f0 fs/buffer.c:2102 udf_write_begin+0x2d/0x60 fs/udf/inode.c:212 generic_perform_write+0x2fc/0x5e0 mm/filemap.c:3845 __generic_file_write_iter+0x176/0x400 mm/filemap.c:3973 udf_file_write_iter+0x291/0x670 fs/udf/file.c:164 call_write_iter include/linux/fs.h:2265 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x857/0xbc0 fs/read_write.c:584 ksys_pwrite64 fs/read_write.c:699 [inline] __do_sys_pwrite64 fs/read_write.c:709 [inline] __se_sys_pwrite64 fs/read_write.c:706 [inline] __x64_sys_pwrite64+0x1a6/0x230 fs/read_write.c:706 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f2c2e17e719 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:00007f2c2eeaa038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f2c2e335f80 RCX: 00007f2c2e17e719 RDX: 0000000000000001 RSI: 0000000020000140 RDI: 0000000000000005 RBP: 00007f2c2e1f132e R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000a87a R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2c2e335f80 R15: 00007ffd596b91c8