panic: ASan: Invalid access, 64-byte write at 0xfffffe0058831c80, MallocRedZone(fb) cpuid = 0 time = 1722362916 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056f7e650 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056f7e7b0 vpanic() at vpanic+0x280/frame 0xfffffe0056f7e970 panic() at panic+0xb5/frame 0xfffffe0056f7ea40 kasan_report() at kasan_report+0xdf/frame 0xfffffe0056f7eb10 kasan_memset() at kasan_memset+0xd1/frame 0xfffffe0056f7eb40 explicit_bzero() at explicit_bzero+0x1f/frame 0xfffffe0056f7eb60 zfree() at zfree+0x131/frame 0xfffffe0056f7eba0 read_random_uio() at read_random_uio+0x2d2/frame 0xfffffe0056f7ebf0 sys_getrandom() at sys_getrandom+0x20a/frame 0xfffffe0056f7ed10 amd64_syscall() at amd64_syscall+0x4cb/frame 0xfffffe0056f7ef30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0056f7ef30 --- syscall (563, FreeBSD ELF64, getrandom), rip = 0x82323956a, rsp = 0x820e5bbb8, rbp = 0x820e5bc00 --- KDB: enter: panic [ thread pid 73 tid 100100 ] Stopped at kdb_enter+0x6e: movq $0,0x23dee37(%rip) db>