=====================================================
BUG: KMSAN: uninit-value in sock_map_delete_elem+0x15e/0x1c0 net/core/sock_map.c:442
 sock_map_delete_elem+0x15e/0x1c0 net/core/sock_map.c:442
 ____bpf_map_delete_elem kernel/bpf/helpers.c:77 [inline]
 bpf_map_delete_elem+0x5c/0x80 kernel/bpf/helpers.c:73
 ___bpf_prog_run+0x13fe/0xe0f0 kernel/bpf/core.c:1997
 __bpf_prog_run96+0xb5/0xe0 kernel/bpf/core.c:2236
 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
 __bpf_prog_run include/linux/filter.h:650 [inline]
 bpf_prog_run include/linux/filter.h:664 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
 bpf_trace_run5+0x25d/0x350 kernel/trace/bpf_trace.c:2423
 __bpf_trace_ext4_remove_blocks+0x45/0x60 include/trace/events/ext4.h:1984
 trace_ext4_remove_blocks include/trace/events/ext4.h:1984 [inline]
 ext4_remove_blocks fs/ext4/extents.c:2463 [inline]
 ext4_ext_rm_leaf fs/ext4/extents.c:2686 [inline]
 ext4_ext_remove_space+0x4e30/0x7e00 fs/ext4/extents.c:2934
 ext4_punch_hole+0x1274/0x1bb0 fs/ext4/inode.c:3994
 ext4_fallocate+0x4f0/0x3940 fs/ext4/extents.c:4741
 vfs_fallocate+0x7fa/0x8b0 fs/open.c:330
 do_vfs_ioctl+0x3b0c/0x3eb0 fs/ioctl.c:883
 __do_compat_sys_ioctl fs/ioctl.c:998 [inline]
 __se_compat_sys_ioctl+0x6a6/0x1090 fs/ioctl.c:947
 __ia32_compat_sys_ioctl+0x93/0xe0 fs/ioctl.c:947
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xba/0x120 arch/x86/entry/common.c:321
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:346
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:384
 entry_SYSENTER_compat_after_hwframe+0x7a/0x84

Local variable stack created at:
 __bpf_prog_run96+0x45/0xe0 kernel/bpf/core.c:2236
 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline]
 __bpf_prog_run include/linux/filter.h:650 [inline]
 bpf_prog_run include/linux/filter.h:664 [inline]
 __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline]
 bpf_trace_run5+0x25d/0x350 kernel/trace/bpf_trace.c:2423

CPU: 1 PID: 5915 Comm: syz-executor.4 Not tainted 6.9.0-rc1-syzkaller-00005-g928a87efa423 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
=====================================================