UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6877 at fs/udf/inode.c:2081 __udf_add_aext+0x51e/0x6d0 fs/udf/inode.c:2080 Modules linked in: CPU: 0 PID: 6877 Comm: syz.0.892 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:__udf_add_aext+0x51e/0x6d0 fs/udf/inode.c:2080 Code: 08 4c 89 f7 e8 93 cb e6 fe 49 8b 3e 4c 89 e6 e8 a8 7f 05 ff 31 c0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 62 5b 8f fe <0f> 0b e9 1b fc ff ff e8 56 5b 8f fe 0f 0b e9 6f fd ff ff e8 4a 5b RSP: 0018:ffffc9000b8e78e8 EFLAGS: 00010293 RAX: ffffffff82f64f9e RBX: dffffc0000000000 RCX: ffff88801ead0000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000001e0 RBP: 1ffff9200171cf89 R08: ffff88801ead0000 R09: 0000000000000002 R10: 0000000000000001 R11: 0000000000000000 R12: 00000000000001e0 R13: 0000000000000000 R14: ffffc9000b8e7c40 R15: ffffc9000b8e7c48 FS: 000055556252c500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d863fff CR3: 00000000261e0000 CR4: 00000000003506f0 Call Trace: udf_setup_indirect_aext+0x5d7/0x7a0 fs/udf/inode.c:2043 udf_add_aext fs/udf/inode.c:2133 [inline] udf_do_extend_file+0x870/0x1170 fs/udf/inode.c:588 udf_extend_file fs/udf/inode.c:709 [inline] udf_setsize+0xbea/0x10a0 fs/udf/inode.c:1299 udf_setattr+0x3a1/0x5a0 fs/udf/file.c:236 notify_change+0xb0d/0xe10 fs/attr.c:499 do_truncate+0x19b/0x220 fs/open.c:66 do_sys_ftruncate+0x325/0x3d0 fs/open.c:194 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f739b58f749 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:00007ffc61a2d088 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f739b7e5fa0 RCX: 00007f739b58f749 RDX: 0000000000000000 RSI: 0000008002007ffb RDI: 0000000000000004 RBP: 00007f739b613f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f739b7e5fa0 R14: 00007f739b7e5fa0 R15: 0000000000000002