===================================================== BUG: KMSAN: uninit-value in ____bpf_get_branch_snapshot kernel/trace/bpf_trace.c:1101 [inline] BUG: KMSAN: uninit-value in bpf_get_branch_snapshot+0x128/0x180 kernel/trace/bpf_trace.c:1091 ____bpf_get_branch_snapshot kernel/trace/bpf_trace.c:1101 [inline] bpf_get_branch_snapshot+0x128/0x180 kernel/trace/bpf_trace.c:1091 ___bpf_prog_run+0x92d/0xb420 kernel/bpf/core.c:1835 __bpf_prog_run32+0x121/0x180 kernel/bpf/core.c:2073 bpf_dispatcher_nop_func include/linux/bpf.h:804 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2022 [inline] bpf_trace_run2+0x129/0x380 kernel/trace/bpf_trace.c:2059 __bpf_trace_sys_exit+0x1a4/0x200 include/trace/events/syscalls.h:44 trace_sys_exit include/trace/events/syscalls.h:44 [inline] syscall_exit_work+0x4b9/0x510 kernel/entry/common.c:247 syscall_exit_to_user_mode_prepare kernel/entry/common.c:278 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x6c/0xc0 kernel/entry/common.c:296 __do_fast_syscall_32+0xa5/0xf0 arch/x86/entry/common.c:181 do_fast_syscall_32+0x34/0x70 arch/x86/entry/common.c:203 do_SYSENTER_32+0x1b/0x20 arch/x86/entry/common.c:246 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c Local variable regs created at: __bpf_prog_run32+0x84/0x180 kernel/bpf/core.c:2073 bpf_dispatcher_nop_func include/linux/bpf.h:804 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2022 [inline] bpf_trace_run2+0x129/0x380 kernel/trace/bpf_trace.c:2059 CPU: 0 PID: 22286 Comm: syz-executor.1 Not tainted 5.18.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 =====================================================