non-latin1 character 0x637c found in JFS file name
mount with iocharset=utf8 to access
UFO tlock:0xffffc9000287a360
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UBSAN: array-index-out-of-bounds in fs/jfs/jfs_dtree.c:784:21
index -1 is out of range for type 'struct dtslot[128]'
CPU: 1 PID: 10083 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
 ubsan_epilogue+0xa/0x30 lib/ubsan.c:217
 __ubsan_handle_out_of_bounds+0xe3/0xf0 lib/ubsan.c:348
 dtSearch+0x1a5d/0x21b0 fs/jfs/jfs_dtree.c:784
 dtDelete+0xe7/0x2c50 fs/jfs/jfs_dtree.c:2102
 jfs_unlink+0x29d/0xa60 fs/jfs/namei.c:502
 vfs_unlink+0x389/0x600 fs/namei.c:4333
 do_unlinkat+0x328/0x570 fs/namei.c:4399
 __do_sys_unlink fs/namei.c:4447 [inline]
 __se_sys_unlink fs/namei.c:4445 [inline]
 __x64_sys_unlink+0x49/0x50 fs/namei.c:4445
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f1c8298ec77
Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 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:00007ffd124fb268 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1c8298ec77
RDX: 00007ffd124fb290 RSI: 00007ffd124fb320 RDI: 00007ffd124fb320
RBP: 00007ffd124fb320 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffd124fc410
R13: 00007f1c82a11d7d R14: 0000000000157828 R15: 00007ffd124fd4e0
 </TASK>
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