panic: ASan: Invalid access, 8-byte write at 0xfffffe0007836ff8, MallocRedZone(fb) cpuid = 0 time = 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc7/frame 0xffffffff84f46530 kdb_backtrace() at kdb_backtrace+0xd3/frame 0xffffffff84f46690 vpanic() at vpanic+0x2c5/frame 0xffffffff84f46770 panic() at panic+0xb5/frame 0xffffffff84f46830 kasan_atomic_testandset_long() at kasan_atomic_testandset_long+0x384/frame 0xffffffff84f468f0 item_ctor() at item_ctor+0x4da/frame 0xffffffff84f46950 malloc() at malloc+0x1b5/frame 0xffffffff84f46a30 init_dynamic_kenv_from() at init_dynamic_kenv_from+0x296/frame 0xffffffff84f46ab0 init_dynamic_kenv() at init_dynamic_kenv+0x144/frame 0xffffffff84f46b70 mi_startup() at mi_startup+0x457/frame 0xffffffff84f46cb0 btext() at btext+0x22 KDB: enter: panic [ thread pid 0 tid 0 ] Stopped at kdb_enter+0x6b: movq $0,0x28f874a(%rip) db>