loop0: detected capacity change from 0 to 32768 ------------[ cut here ]------------ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:661:7 index 128 is out of range for type 's64[128]' (aka 'long long[128]') CPU: 0 UID: 0 PID: 5098 Comm: syz-executor307 Not tainted 6.10.0-rc6-next-20240703-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_out_of_bounds+0x121/0x150 lib/ubsan.c:429 dbNextAG+0x3f3/0x630 fs/jfs/jfs_dmap.c:661 diAlloc+0x6c6/0x1760 fs/jfs/jfs_imap.c:1372 ialloc+0x8f/0x900 fs/jfs/jfs_inode.c:56 jfs_create+0x1be/0xbb0 fs/jfs/namei.c:92 lookup_open fs/namei.c:3535 [inline] open_last_lookups fs/namei.c:3604 [inline] path_openat+0x1a9a/0x3470 fs/namei.c:3840 do_filp_open+0x235/0x490 fs/namei.c:3870 do_sys_openat2+0x13e/0x1d0 fs/open.c:1416 do_sys_open fs/open.c:1431 [inline] __do_sys_openat fs/open.c:1447 [inline] __se_sys_openat fs/open.c:1442 [inline] __x64_sys_openat+0x247/0x2a0 fs/open.c:1442 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: 0033:0x7f7ba9214a99 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff13cce098 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7ba9214a99 RDX: 000000000000275a RSI: 00000000200005c0 RDI: 00000000ffffff9c RBP: 00007f7ba928e5f0 R08: 0000555589dcd4c0 R09: 0000555589dcd4c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff13cce0c0 R13: 00007fff13cce2e8 R14: 431bde82d7b634db R15: 00007f7ba925d03b ---[ end trace ]---