loop0: 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: 5323 at fs/udf/inode.c:2081 __udf_add_aext+0x524/0x6d0 fs/udf/inode.c:2080 Modules linked in: CPU: 0 UID: 0 PID: 5323 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-08297-ge0797d3b91de #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__udf_add_aext+0x524/0x6d0 fs/udf/inode.c:2080 Code: ad ed fe 49 8b 3e 4c 89 e6 e8 28 d6 0f ff 31 c0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d e9 93 0c 31 08 cc e8 1d 90 8a fe 90 <0f> 0b 90 e9 14 fc ff ff e8 0f 90 8a fe 90 0f 0b 90 e9 66 fd ff ff RSP: 0018:ffffc9000d5d7248 EFLAGS: 00010287 RAX: ffffffff83359ad3 RBX: dffffc0000000000 RCX: 0000000000100000 RDX: ffffc9000e29a000 RSI: 0000000000015d26 RDI: 0000000000015d27 RBP: 1ffff92001abaee5 R08: ffff888034518000 R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000002 R12: 00000000000001d0 R13: 0000000000000000 R14: ffffc9000d5d7720 R15: ffffc9000d5d7728 FS: 00007f6b36d476c0(0000) GS:ffff88808d264000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6b29e3f000 CR3: 0000000043897000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_setup_indirect_aext+0x609/0x800 fs/udf/inode.c:2043 udf_add_aext fs/udf/inode.c:2133 [inline] udf_do_extend_file+0x870/0x1180 fs/udf/inode.c:584 inode_getblk fs/udf/inode.c:836 [inline] udf_map_block+0xf64/0x42a0 fs/udf/inode.c:447 __udf_get_block+0x52/0x250 fs/udf/inode.c:461 __block_write_begin_int+0x6b5/0x1900 fs/buffer.c:2151 block_write_begin+0x8a/0x120 fs/buffer.c:2262 udf_write_begin+0x100/0x260 fs/udf/inode.c:256 generic_perform_write+0x2c7/0x910 mm/filemap.c:4103 udf_file_write_iter+0x2d5/0x6c0 fs/udf/file.c:111 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x54b/0xa90 fs/read_write.c:686 ksys_pwrite64 fs/read_write.c:793 [inline] __do_sys_pwrite64 fs/read_write.c:801 [inline] __se_sys_pwrite64 fs/read_write.c:798 [inline] __x64_sys_pwrite64+0x193/0x220 fs/read_write.c:798 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6b35f8e969 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:00007f6b36d47038 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 RAX: ffffffffffffffda RBX: 00007f6b361b5fa0 RCX: 00007f6b35f8e969 RDX: 0000000000000001 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007f6b36010ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000010000000005 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f6b361b5fa0 R15: 00007ffec85b6ef8