=====================================================
BUG: KMSAN: uninit-value in percpu_array_map_lookup_elem+0x142/0x160 kernel/bpf/arraymap.c:243
 percpu_array_map_lookup_elem+0x142/0x160 kernel/bpf/arraymap.c:243
 ____bpf_map_lookup_elem kernel/bpf/helpers.c:42 [inline]
 bpf_map_lookup_elem+0x5c/0x80 kernel/bpf/helpers.c:38
 ___bpf_prog_run+0x13fe/0xe0f0 kernel/bpf/core.c:1997
 __bpf_prog_run288+0xb5/0xe0 kernel/bpf/core.c:2237
 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
 __bpf_prog_run include/linux/filter.h:657 [inline]
 bpf_prog_run include/linux/filter.h:664 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
 bpf_trace_run8+0x1bd/0x3a0 kernel/trace/bpf_trace.c:2426
 __bpf_trace_jbd2_handle_stats+0x51/0x70 include/trace/events/jbd2.h:210
 trace_jbd2_handle_stats include/trace/events/jbd2.h:210 [inline]
 jbd2_journal_stop+0x1157/0x12c0 fs/jbd2/transaction.c:1869
 __ext4_journal_stop+0x115/0x310 fs/ext4/ext4_jbd2.c:134
 __ext4_unlink+0x10f5/0x11b0 fs/ext4/namei.c:3296
 ext4_unlink+0x226/0x630 fs/ext4/namei.c:3321
 vfs_unlink+0x676/0xa30 fs/namei.c:4338
 do_unlinkat+0x823/0xe10 fs/namei.c:4402
 __do_sys_unlink fs/namei.c:4450 [inline]
 __se_sys_unlink fs/namei.c:4448 [inline]
 __x64_sys_unlink+0x78/0xb0 fs/namei.c:4448
 do_syscall_64+0xd5/0x1f0
 entry_SYSCALL_64_after_hwframe+0x72/0x7a

Local variable stack created at:
 __bpf_prog_run288+0x45/0xe0 kernel/bpf/core.c:2237
 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
 __bpf_prog_run include/linux/filter.h:657 [inline]
 bpf_prog_run include/linux/filter.h:664 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
 bpf_trace_run8+0x1bd/0x3a0 kernel/trace/bpf_trace.c:2426

CPU: 0 PID: 5044 Comm: syz-executor.3 Tainted: G        W          6.9.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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