third_party/afl/src/qemu_mode/patches/syscall.diff - Issue 2075883002: Add American Fuzzy Lop (afl) to third_party/afl/

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Side by Side Diff: third_party/afl/src/qemu_mode/patches/syscall.diff

Issue 2075883002: Add American Fuzzy Lop (afl) to third_party/afl/ (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Fix nits Created 4 years, 6 months ago

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	1 --- qemu-2.3.0/linux-user/syscall.c.orig 2014-12-09 14:45:43.000000000 +0 000

	2 +++ qemu-2.3.0/linux-user/syscall.c 2015-03-27 06:33:00.736000000 +0000

	3 @@ -227,7 +227,21 @@

	4 _syscall3(int,sys_rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,uinfo)

	5 _syscall3(int,sys_syslog,int,type,char*,bufp,int,len)

	6 #if defined(TARGET_NR_tgkill) && defined(__NR_tgkill)

	7 -_syscall3(int,sys_tgkill,int,tgid,int,pid,int,sig)

	8 +

	9 +extern unsigned int afl_forksrv_pid;

	10 +

	11 +static int sys_tgkill(int tgid, int pid, int sig) {

	12 +

	13 + /* Workaround for -lpthread to make abort() work properly, without

	14 + killing the forkserver due to a prematurely cached PID. */

	15 +

	16 + if (afl_forksrv_pid && afl_forksrv_pid == pid && sig == SIGABRT)

	17 + pid = tgid = getpid();

	18 +

	19 + return syscall(__NR_sys_tgkill, pid, tgid, sig);

	20 +

	21 +}

	22 +

	23 #endif

	24 #if defined(TARGET_NR_tkill) && defined(__NR_tkill)

	25 _syscall2(int,sys_tkill,int,tid,int,sig)

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