================================================================================ 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: 1 PID: 6519 Comm: syz.2.1052 Not tainted 5.15.165-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_out_of_bounds+0x118/0x140 lib/ubsan.c:282 dbNextAG+0x3ef/0x630 fs/jfs/jfs_dmap.c:661 diAlloc+0x6c2/0x1750 fs/jfs/jfs_imap.c:1372 ialloc+0x8b/0x970 fs/jfs/jfs_inode.c:56 jfs_symlink+0x209/0x10e0 fs/jfs/namei.c:916 vfs_symlink+0x247/0x3d0 fs/namei.c:4429 do_symlinkat+0x1fd/0x600 fs/namei.c:4458 __do_sys_symlink fs/namei.c:4480 [inline] __se_sys_symlink fs/namei.c:4478 [inline] __x64_sys_symlink+0x7a/0x90 fs/namei.c:4478 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: 0033:0x7f53cdaa1e79 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:00007f53cbf1e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000058 RAX: ffffffffffffffda RBX: 00007f53cdc3df80 RCX: 00007f53cdaa1e79 RDX: 0000000000000000 RSI: 0000000020002240 RDI: 0000000020002480 RBP: 00007f53cdb0f93e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f53cdc3df80 R15: 00007ffe37bc2358 ================================================================================