"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "linux/trace.c" between
honggfuzz-2.4.tar.gz and honggfuzz-2.5.tar.gz

About: honggfuzz is a security oriented, feedback-driven, evolutionary, easy-to-use fuzzer with powerful analysis options.

trace.c  (honggfuzz-2.4)	:	trace.c  (honggfuzz-2.5)
skipping to change at line 37		skipping to change at line 37
#include <dirent.h>		#include <dirent.h>
#include <elf.h>		#include <elf.h>
#include <endian.h>		#include <endian.h>
#include <errno.h>		#include <errno.h>
#include <fcntl.h>		#include <fcntl.h>
#include <inttypes.h>		#include <inttypes.h>
#include <signal.h>		#include <signal.h>
#include <stdio.h>		#include <stdio.h>
#include <stdlib.h>		#include <stdlib.h>
#include <string.h>		#include <string.h>
		#if defined(__GLIBC__)
#include <sys/cdefs.h>		#include <sys/cdefs.h>
		#endif
#include <sys/personality.h>		#include <sys/personality.h>
#include <sys/ptrace.h>		#include <sys/ptrace.h>
#include <sys/resource.h>		#include <sys/resource.h>
#include <sys/stat.h>		#include <sys/stat.h>
#include <sys/syscall.h>		#include <sys/syscall.h>
#include <sys/time.h>		#include <sys/time.h>
#include <sys/types.h>		#include <sys/types.h>
#include <sys/uio.h>		#include <sys/uio.h>
#include <sys/user.h>		#include <sys/user.h>
#include <sys/wait.h>		#include <sys/wait.h>
skipping to change at line 232		skipping to change at line 234
/*		/*
* Some Android ABIs don't implement PTRACE_GETREGS (e.g. aarch64)		* Some Android ABIs don't implement PTRACE_GETREGS (e.g. aarch64)
*/		*/
#if defined(PTRACE_GETREGS)		#if defined(PTRACE_GETREGS)
#define PTRACE_GETREGS_AVAILABLE 1		#define PTRACE_GETREGS_AVAILABLE 1
#else		#else
#define PTRACE_GETREGS_AVAILABLE 0		#define PTRACE_GETREGS_AVAILABLE 0
#endif /* defined(PTRACE_GETREGS) */		#endif /* defined(PTRACE_GETREGS) */
#endif /* defined(__ANDROID__) */		#endif /* defined(__ANDROID__) */
		#if defined(__clang__)
		_Pragma("clang diagnostic push");
		_Pragma("clang diagnostic ignored \"-Woverride-init\"");
		#endif
static struct {		static struct {
const char* descr;		const char* descr;
bool important;		bool important;
} arch_sigs[_NSIG + 1] = {		} arch_sigs[_NSIG + 1] = {
[0 ...(_NSIG)].important = false,		[0 ...(_NSIG)].important = false,
[0 ...(_NSIG)].descr = "UNKNOWN",		[0 ...(_NSIG)].descr = "UNKNOWN",
[SIGTRAP].important = false,		[SIGTRAP].important = false,
[SIGTRAP].descr = "SIGTRAP",		[SIGTRAP].descr = "SIGTRAP",
skipping to change at line 266		skipping to change at line 273
/* Is affected from tmoutVTALRM flag */		/* Is affected from tmoutVTALRM flag */
[SIGVTALRM].important = false,		[SIGVTALRM].important = false,
[SIGVTALRM].descr = "SIGVTALRM-TMOUT",		[SIGVTALRM].descr = "SIGVTALRM-TMOUT",
/* seccomp-bpf kill */		/* seccomp-bpf kill */
[SIGSYS].important = true,		[SIGSYS].important = true,
[SIGSYS].descr = "SIGSYS",		[SIGSYS].descr = "SIGSYS",
};		};
		#if defined(__clang__)
		_Pragma("clang diagnostic pop");
		#endif
#ifndef SI_FROMUSER		#ifndef SI_FROMUSER
#define SI_FROMUSER(siptr) ((siptr)->si_code <= 0)		#define SI_FROMUSER(siptr) ((siptr)->si_code <= 0)
#endif /* SI_FROMUSER */		#endif /* SI_FROMUSER */
static size_t arch_getProcMem(pid_t pid, uint8_t* buf, size_t len, uint64_t pc) {		static size_t arch_getProcMem(pid_t pid, uint8_t* buf, size_t len, uint64_t pc) {
/*		/*
* Let's try process_vm_readv first		* Let's try process_vm_readv first
*/		*/
const struct iovec local_iov = {		const struct iovec local_iov = {
.iov_base = buf,		.iov_base = buf,
skipping to change at line 534		skipping to change at line 545
#endif /* !defined(__ANDROID__) */		#endif /* !defined(__ANDROID__) */
/*		/*
* Calculate backtrace callstack hash signature		* Calculate backtrace callstack hash signature
*/		*/
run->backtrace = sanitizers_hashCallstack(run, funcs, funcCnt, false);		run->backtrace = sanitizers_hashCallstack(run, funcs, funcCnt, false);
}		}
static void arch_traceSaveData(run_t* run, pid_t pid) {		static void arch_traceSaveData(run_t* run, pid_t pid) {
char instr[_HF_INSTR_SZ] = "\x00";		char instr[_HF_INSTR_SZ] = "\x00";
siginfo_t si = {};		siginfo_t si;
		memset(&si, '\0', sizeof(si));
if (ptrace(PTRACE_GETSIGINFO, pid, 0, &si) == -1) {		if (ptrace(PTRACE_GETSIGINFO, pid, 0, &si) == -1) {
PLOG_W("Couldn't get siginfo for pid %d", pid);		PLOG_W("Couldn't get siginfo for pid %d", pid);
}		}
uint64_t crashAddr = (uint64_t)(uintptr_t)si.si_addr;		uint64_t crashAddr = (uint64_t)(uintptr_t)si.si_addr;
/* User-induced signals don't set si.si_addr */		/* User-induced signals don't set si.si_addr */
if (SI_FROMUSER(&si)) {		if (SI_FROMUSER(&si)) {
crashAddr = 0UL;		crashAddr = 0UL;
}		}
End of changes. 5 change blocks.
1 lines changed or deleted		13 lines changed or added

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