=====================================================
BUG: KMSAN: uninit-value in consumer_filter kernel/events/uprobes.c:869 [inline]
BUG: KMSAN: uninit-value in filter_chain kernel/events/uprobes.c:880 [inline]
BUG: KMSAN: uninit-value in uprobe_mmap+0x2150/0x24d0 kernel/events/uprobes.c:1387
 consumer_filter kernel/events/uprobes.c:869 [inline]
 filter_chain kernel/events/uprobes.c:880 [inline]
 uprobe_mmap+0x2150/0x24d0 kernel/events/uprobes.c:1387
 mmap_region+0x3dfb/0x4420 mm/mmap.c:3058
 do_mmap+0xebc/0x1b10 mm/mmap.c:1468
 vm_mmap_pgoff+0x23b/0x5a0 mm/util.c:588
 ksys_mmap_pgoff+0x5cb/0x7a0 mm/mmap.c:1514
 __do_sys_mmap_pgoff mm/mmap.c:1525 [inline]
 __se_sys_mmap_pgoff mm/mmap.c:1521 [inline]
 __ia32_sys_mmap_pgoff+0x11d/0x1a0 mm/mmap.c:1521
 ia32_sys_call+0x3d61/0x40d0 arch/x86/include/generated/asm/syscalls_32.h:193
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb0/0x110 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

Uninit was created at:
 slab_post_alloc_hook mm/slub.c:3994 [inline]
 slab_alloc_node mm/slub.c:4037 [inline]
 __kmalloc_cache_noprof+0x4f0/0xb00 mm/slub.c:4184
 kmalloc_noprof include/linux/slab.h:681 [inline]
 call_modprobe kernel/module/kmod.c:84 [inline]
 __request_module+0x494/0x9f0 kernel/module/kmod.c:173
 dev_load+0x1be/0x200 net/core/dev_ioctl.c:646
 dev_ioctl+0x574/0x1280 net/core/dev_ioctl.c:710
 sock_do_ioctl+0x28c/0x540 net/socket.c:1236
 compat_sock_ioctl_trans net/socket.c:3515 [inline]
 compat_sock_ioctl+0xdb8/0x1370 net/socket.c:3541
 __do_compat_sys_ioctl fs/ioctl.c:1007 [inline]
 __se_compat_sys_ioctl+0x791/0x1090 fs/ioctl.c:950
 __ia32_compat_sys_ioctl+0x93/0xe0 fs/ioctl.c:950
 ia32_sys_call+0x32a2/0x40d0 arch/x86/include/generated/asm/syscalls_32.h:55
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb0/0x110 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

CPU: 0 UID: 0 PID: 12027 Comm: syz.3.2495 Not tainted 6.11.0-rc6-syzkaller-00017-gc9f016e72b5c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
=====================================================