------------[ cut here ]------------ WARNING: CPU: 0 PID: 4065 at fs/udf/inode.c:2025 __udf_add_aext+0x54c/0x6f0 Modules linked in: CPU: 0 PID: 4065 Comm: syz.0.106 Not tainted 5.15.164-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:__udf_add_aext+0x54c/0x6f0 fs/udf/inode.c:2024 Code: 4c 89 e7 e8 e6 e8 ef fe 49 8b 3c 24 4c 89 fe e8 6a 51 0b ff 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 e4 14 a6 fe <0f> 0b e9 ed fb ff ff e8 d8 14 a6 fe 0f 0b e9 5c fc ff ff e8 cc 14 RSP: 0018:ffffc90002f077d8 EFLAGS: 00010287 RAX: ffffffff82da4c7c RBX: 1ffff920005e0f75 RCX: 0000000000040000 RDX: ffffc90003b1d000 RSI: 0000000000009e35 RDI: 0000000000009e36 RBP: 00000000000001d0 R08: ffffffff82da4862 R09: ffffffff82da4792 R10: 0000000000000002 R11: ffff888024601dc0 R12: ffffc90002f07ba0 R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc90002f07ba8 FS: 00007ff60df3c6c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200017c0 CR3: 000000005b597000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: udf_setup_indirect_aext+0x6bc/0x980 fs/udf/inode.c:1990 udf_add_aext fs/udf/inode.c:2077 [inline] udf_do_extend_file+0x6df/0x1140 fs/udf/inode.c:562 udf_extend_file fs/udf/inode.c:676 [inline] udf_setsize+0xd3c/0x1430 fs/udf/inode.c:1246 udf_setattr+0x36c/0x540 fs/udf/file.c:277 notify_change+0xc6d/0xf50 fs/attr.c:505 do_truncate+0x21c/0x300 fs/open.c:65 do_sys_ftruncate+0x2eb/0x390 fs/open.c:193 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: 0033:0x7ff60fade299 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:00007ff60df3c048 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007ff60fc6d058 RCX: 00007ff60fade299 RDX: 0000000000000000 RSI: 0000008002007ffb RDI: 0000000000000004 RBP: 00007ff60fb4b8e6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007ff60fc6d058 R15: 00007ffef4126f08