Skip to content

Commit

Permalink
Apply the bug81066 patch.
Browse files Browse the repository at this point in the history
Should fix sigaltstack issue (#2).
  • Loading branch information
GJDuck committed Jan 15, 2019
1 parent 6e58ac8 commit 65dde63
Show file tree
Hide file tree
Showing 5 changed files with 5 additions and 8 deletions.
Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,7 @@ int SidelineThread::runSideline(void *Arg) {

// Set up a signal handler on an alternate stack for safety.
InternalScopedBuffer<char> StackMap(SigAltStackSize);
struct sigaltstack SigAltStack;
stack_t SigAltStack;
SigAltStack.ss_sp = StackMap.data();
SigAltStack.ss_size = SigAltStackSize;
SigAltStack.ss_flags = 0;
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -607,8 +607,7 @@ uptr internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5) {
}
#endif

uptr internal_sigaltstack(const struct sigaltstack *ss,
struct sigaltstack *oss) {
uptr internal_sigaltstack(const void *ss, void *oss) {
return internal_syscall(SYSCALL(sigaltstack), (uptr)ss, (uptr)oss);
}

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -21,7 +21,6 @@
#include "sanitizer_platform_limits_posix.h"

struct link_map; // Opaque type returned by dlopen().
struct sigaltstack;

namespace __sanitizer {
// Dirent structure for getdents(). Note that this structure is different from
Expand All @@ -30,8 +29,7 @@ struct linux_dirent;

// Syscall wrappers.
uptr internal_getdents(fd_t fd, struct linux_dirent *dirp, unsigned int count);
uptr internal_sigaltstack(const struct sigaltstack* ss,
struct sigaltstack* oss);
uptr internal_sigaltstack(const void* ss, void* oss);
uptr internal_sigprocmask(int how, __sanitizer_sigset_t *set,
__sanitizer_sigset_t *oldset);

Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -275,7 +275,7 @@ static int TracerThread(void* argument) {

// Alternate stack for signal handling.
InternalScopedBuffer<char> handler_stack_memory(kHandlerStackSize);
struct sigaltstack handler_stack;
stack_t handler_stack;
internal_memset(&handler_stack, 0, sizeof(handler_stack));
handler_stack.ss_sp = handler_stack_memory.data();
handler_stack.ss_size = kHandlerStackSize;
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -289,7 +289,7 @@ void InitializePlatform() {
int ExtractResolvFDs(void *state, int *fds, int nfd) {
#if SANITIZER_LINUX && !SANITIZER_ANDROID
int cnt = 0;
__res_state *statp = (__res_state*)state;
struct __res_state *statp = (struct __res_state*)state;
for (int i = 0; i < MAXNS && cnt < nfd; i++) {
if (statp->_u._ext.nsaddrs[i] && statp->_u._ext.nssocks[i] != -1)
fds[cnt++] = statp->_u._ext.nssocks[i];
Expand Down

0 comments on commit 65dde63

Please sign in to comment.