loop0: detected capacity change from 0 to 14901 ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:3392:30 index -72 is out of range for type 'struct dtslot [128]' CPU: 1 PID: 5070 Comm: syz-executor328 Not tainted 6.2.0-rc1-syzkaller-00084-gc8451c141e07 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1b1/0x290 lib/dump_stack.c:106 ubsan_epilogue lib/ubsan.c:151 [inline] __ubsan_handle_out_of_bounds+0xe0/0x110 lib/ubsan.c:282 ciCompare fs/jfs/jfs_dtree.c:3392 [inline] dtSearch+0x184b/0x26c0 fs/jfs/jfs_dtree.c:639 jfs_lookup+0x11e/0x380 fs/jfs/namei.c:1454 lookup_open fs/namei.c:3391 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0x10c2/0x2dd0 fs/namei.c:3711 do_filp_open+0x264/0x4f0 fs/namei.c:3741 do_sys_openat2+0x124/0x4e0 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_open fs/open.c:1334 [inline] __se_sys_open fs/open.c:1330 [inline] __x64_sys_open+0x221/0x270 fs/open.c:1330 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7b7ddd1859 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe74d76088 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7b7ddd1859 RDX: 0000000000000000 RSI: 000000000014da42 RDI: 00000000200000c0 RBP: 00007f7b7dd910f0 R08: 000000000000234a R09: 0000000000000000 R10: 0000000000000073 R11: 0000000000000246 R12: 00007f7b7dd91180 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ================================================================================