===================================================== BUG: KMSAN: uninit-value in __dev_map_hash_lookup_elem kernel/bpf/devmap.c:270 [inline] BUG: KMSAN: uninit-value in dev_map_hash_lookup_elem+0x116/0x2e0 kernel/bpf/devmap.c:803 __dev_map_hash_lookup_elem kernel/bpf/devmap.c:270 [inline] dev_map_hash_lookup_elem+0x116/0x2e0 kernel/bpf/devmap.c:803 ____bpf_map_lookup_elem kernel/bpf/helpers.c:42 [inline] bpf_map_lookup_elem+0x5c/0x80 kernel/bpf/helpers.c:38 ___bpf_prog_run+0x13fe/0xe0f0 kernel/bpf/core.c:1997 __bpf_prog_run64+0xb5/0xe0 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_run4+0x150/0x340 kernel/trace/bpf_trace.c:2422 __bpf_trace_sched_switch+0x37/0x50 include/trace/events/sched.h:222 __traceiter_sched_switch+0xb7/0x150 include/trace/events/sched.h:222 trace_sched_switch include/trace/events/sched.h:222 [inline] __schedule+0x2eca/0x6bc0 kernel/sched/core.c:6743 __schedule_loop kernel/sched/core.c:6823 [inline] schedule+0x13d/0x380 kernel/sched/core.c:6838 futex_wait_queue kernel/futex/waitwake.c:370 [inline] __futex_wait+0x251/0x540 kernel/futex/waitwake.c:669 futex_wait+0xe1/0x360 kernel/futex/waitwake.c:697 do_futex+0x341/0x4a0 kernel/futex/syscalls.c:102 __do_sys_futex kernel/futex/syscalls.c:179 [inline] __se_sys_futex+0x22c/0x6f0 kernel/futex/syscalls.c:160 __x64_sys_futex+0x11f/0x1a0 kernel/futex/syscalls.c:160 x64_sys_call+0x3206/0x3b50 arch/x86/include/generated/asm/syscalls_64.h:203 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x1e0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Local variable stack created at: __bpf_prog_run64+0x45/0xe0 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_run4+0x150/0x340 kernel/trace/bpf_trace.c:2422 CPU: 1 PID: 5700 Comm: syz-executor.1 Not tainted 6.9.0-syzkaller-02707-g614da38e2f7a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 =====================================================