===================================================== 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_run32+0xb2/0xe0 kernel/bpf/core.c:2236 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_run2+0x116/0x300 kernel/trace/bpf_trace.c:2420 __bpf_trace_kfree+0x29/0x40 include/trace/events/kmem.h:94 trace_kfree include/trace/events/kmem.h:94 [inline] kfree+0x6a5/0xa30 mm/slub.c:4377 tomoyo_realpath_from_path+0xe2/0xaa0 security/tomoyo/realpath.c:250 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_check_open_permission+0x1ef/0xc50 security/tomoyo/file.c:771 tomoyo_file_open+0x271/0x360 security/tomoyo/tomoyo.c:334 security_file_open+0x9a/0x970 security/security.c:2961 do_dentry_open+0x4fd/0x2120 fs/open.c:942 vfs_open+0x7e/0xa0 fs/open.c:1089 do_open fs/namei.c:3642 [inline] path_openat+0x4a3c/0x5b00 fs/namei.c:3799 do_filp_open+0x20e/0x590 fs/namei.c:3826 do_sys_openat2+0x1bf/0x2f0 fs/open.c:1406 do_sys_open fs/open.c:1421 [inline] __do_sys_openat fs/open.c:1437 [inline] __se_sys_openat fs/open.c:1432 [inline] __x64_sys_openat+0x2a1/0x310 fs/open.c:1432 do_syscall_64+0xd5/0x1f0 entry_SYSCALL_64_after_hwframe+0x72/0x7a Local variable stack created at: __bpf_prog_run32+0x43/0xe0 kernel/bpf/core.c:2236 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_run2+0x116/0x300 kernel/trace/bpf_trace.c:2420 CPU: 1 PID: 4455 Comm: udevd Not tainted 6.9.0-rc1-syzkaller-00274-g486291a0e624 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 =====================================================