loop4: detected capacity change from 0 to 32768 ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_imap.c:1359:19 index 3670016 is out of range for type 'atomic_t[128]' CPU: 1 PID: 12950 Comm: syz-executor.4 Not tainted 6.2.0-rc7-syzkaller-00018-g0983f6bf2bfc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_out_of_bounds+0x11c/0x150 lib/ubsan.c:282 diAlloc+0x145d/0x1720 fs/jfs/jfs_imap.c:1359 ialloc+0x8f/0x980 fs/jfs/jfs_inode.c:56 jfs_create+0x1be/0xbb0 fs/jfs/namei.c:92 lookup_open fs/namei.c:3413 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0x12cb/0x2e40 fs/namei.c:3711 do_filp_open+0x234/0x490 fs/namei.c:3741 do_sys_openat2+0x13f/0x500 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_creat fs/open.c:1402 [inline] __se_sys_creat fs/open.c:1396 [inline] __x64_sys_creat+0x123/0x160 fs/open.c:1396 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc1b308c0f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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:00007fc1b3dc1168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fc1b31abf80 RCX: 00007fc1b308c0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fc1b30e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffcb1104c0f R14: 00007fc1b3dc1300 R15: 0000000000022000 ================================================================================