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kern: align stack pointer to 16 byte in notify

This commit is contained in:
Giacomo Tesio 2017-12-12 01:21:32 +01:00
parent a3918b108d
commit e0b8a369d0
1 changed files with 1 additions and 1 deletions
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2
sys/src/kern/amd64/syscall.c
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@ -188,7 +188,7 @@ notify(Ureg* ureg)
pexit("Suicide", 0); pexit("Suicide", 0);
} }
sp = ureg->sp - sizeof(NFrame); sp = ureg->sp - ROUNDUP(sizeof(NFrame), 16);
if(!okaddr(sp, sizeof(NFrame), 1)){ if(!okaddr(sp, sizeof(NFrame), 1)){
qunlock(&up->debug); qunlock(&up->debug);
pprint("suicide: bad stack address %#p in notify\n", sp); pprint("suicide: bad stack address %#p in notify\n", sp);