loop5: detected capacity change from 0 to 96859 ================================================================================ UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:2926:29 index 1365 is out of range for type 's8 [1365]' CPU: 1 PID: 14172 Comm: syz-executor.5 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 ubsan_epilogue+0xb/0x50 lib/ubsan.c:151 __ubsan_handle_out_of_bounds.cold+0x62/0x6c lib/ubsan.c:283 dbFindLeaf+0x21d/0x260 fs/jfs/jfs_dmap.c:2926 dbAllocDmapLev+0xa3/0x2c0 fs/jfs/jfs_dmap.c:1937 dbAllocCtl+0x131/0x780 fs/jfs/jfs_dmap.c:1793 dbAllocAG+0x8da/0xd20 fs/jfs/jfs_dmap.c:1334 dbAlloc+0x40d/0xa70 fs/jfs/jfs_dmap.c:858 dtSplitUp+0x365/0x5130 fs/jfs/jfs_dtree.c:974 dtInsert+0x82b/0xa10 fs/jfs/jfs_dtree.c:863 jfs_rename+0x1059/0x1a20 fs/jfs/namei.c:1219 vfs_rename+0x115e/0x1a90 fs/namei.c:4778 do_renameat2+0xb5e/0xc80 fs/namei.c:4929 __do_sys_rename fs/namei.c:4975 [inline] __se_sys_rename fs/namei.c:4973 [inline] __x64_sys_rename+0x7d/0xa0 fs/namei.c:4973 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f734da8b5a9 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f734e81d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 RAX: ffffffffffffffda RBX: 00007f734dbabf80 RCX: 00007f734da8b5a9 RDX: 0000000000000000 RSI: 0000000020005240 RDI: 00000000200001c0 RBP: 00007f734dae67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdd3afd17f R14: 00007f734e81d300 R15: 0000000000022000 ================================================================================