=====================================================
BUG: KMSAN: uninit-value in strncmp+0x11e/0x180 lib/string.c:291
 strncmp+0x11e/0x180 lib/string.c:291
 ____bpf_strncmp kernel/bpf/helpers.c:574 [inline]
 bpf_strncmp+0x3d/0x60 kernel/bpf/helpers.c:572
 ___bpf_prog_run+0x13fe/0xe0f0 kernel/bpf/core.c:1997
 __bpf_prog_run256+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_run3+0x132/0x320 kernel/trace/bpf_trace.c:2421
 __bpf_trace_ext4_allocate_inode+0x34/0x50 include/trace/events/ext4.h:218
 trace_ext4_allocate_inode+0x12e/0x1d0 include/trace/events/ext4.h:218
 __ext4_new_inode+0x7416/0x79b0 fs/ext4/ialloc.c:1351
 ext4_create+0x33d/0x7d0 fs/ext4/namei.c:2830
 lookup_open fs/namei.c:3505 [inline]
 open_last_lookups fs/namei.c:3574 [inline]
 path_openat+0x2d74/0x5b00 fs/namei.c:3804
 do_filp_open+0x20e/0x590 fs/namei.c:3834
 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1406
 do_sys_open fs/open.c:1421 [inline]
 __do_compat_sys_openat fs/open.c:1481 [inline]
 __se_compat_sys_openat fs/open.c:1479 [inline]
 __ia32_compat_sys_openat+0x298/0x300 fs/open.c:1479
 ia32_sys_call+0x38e1/0x40a0 arch/x86/include/generated/asm/syscalls_32.h:296
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb4/0x120 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

Local variable stack created at:
 __bpf_prog_run256+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_run3+0x132/0x320 kernel/trace/bpf_trace.c:2421

CPU: 0 PID: 5549 Comm: syz-executor.0 Not tainted 6.9.0-syzkaller-02339-g101b7a97143a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
=====================================================