Created
January 27, 2019 22:16
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// clang -no-integrated-as -O2 -fstack-protector-strong \ | |
// -fsanitize=kernel-address -mllvm -asan-instrumentation-with-call-threshold=0 \ | |
// -mllvm -asan-use-after-scope=1 -fsanitize-coverage=trace-pc | |
// -c rndis.i -o rndis.o | |
// tools/objtool/objtool orc generate --no-fp --no-unreachable --retpoline rndis.o 2>&1 \ | |
// | grep "gen_ndis_set_resp()+0x0: stack state mismatch:" | |
enum { a } b(char); | |
d; | |
*e; | |
c(*); | |
static gen_ndis_set_resp() { | |
asm goto("" : : : : l_yes); | |
l_yes:; | |
} | |
f() { | |
int *g; | |
int h; | |
g = e[1]; | |
c(&h); | |
switch (d) { | |
case 2: { | |
__label__ l_yes; | |
asm goto("1:.byte 15,31,8,0x000" : : : : l_yes); | |
l_yes:; | |
} | |
*g = 0; | |
break; | |
case 3: | |
asm goto(".pushsection __jump_table, \"aw\" \n\t.long 1b - ., %l[l_yes] - " | |
". \n\t.quad %c0 + %c1 - .\n\t.popsection \n\t" | |
: | |
: "i"(a) | |
: | |
: l_yes); | |
l_yes: | |
*g = 0; | |
break; | |
default: | |
b(d); | |
} | |
gen_ndis_set_resp(); | |
} |
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