loop0: detected capacity change from 0 to 32768
================================================================================
UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dmap.c:639:20
index 7936 is out of range for type 'atomic_t[128]'
CPU: 0 PID: 5016 Comm: syz-executor320 Not tainted 6.5.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_out_of_bounds+0x11c/0x150 lib/ubsan.c:348
 dbNextAG+0x600/0x630 fs/jfs/jfs_dmap.c:639
 dbAlloc+0x62d/0xca0 fs/jfs/jfs_dmap.c:874
 dtSplitUp fs/jfs/jfs_dtree.c:974 [inline]
 dtInsert+0xda7/0x6b00 fs/jfs/jfs_dtree.c:863
 jfs_symlink+0x827/0x10f0 fs/jfs/namei.c:1019
 vfs_symlink+0x12f/0x2a0 fs/namei.c:4477
 do_symlinkat+0x201/0x610 fs/namei.c:4503
 __do_sys_symlink fs/namei.c:4524 [inline]
 __se_sys_symlink fs/namei.c:4522 [inline]
 __x64_sys_symlink+0x7e/0x90 fs/namei.c:4522
 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: 0033:0x7fd0decc5679
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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:00007ffc4b25c148 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 00007ffc4b25c328 RCX: 00007fd0decc5679
RDX: 00007fd0decc4970 RSI: 0000000020000880 RDI: 0000000020001980
RBP: 00007fd0ded3e610 R08: 0000000000005e42 R09: 0000000000000000
R10: 00007ffc4b25c010 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffc4b25c318 R14: 0000000000000001 R15: 0000000000000001
 </TASK>
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