DO NOT MERGE Fix potential DoS caused by delivering signal to BT process

Bug: 28885210
Change-Id: I63866d894bfca47464d6e42e3fb0357c4f94d360

 Conflicts:
	btif/co/bta_hh_co.c
	btif/src/btif_core.c
Merge conflict resolution of ag/1161415 (referencing ag/1164670)
- Directly into mnc-mr2-release

1 files changed, 3 insertions, 3 deletions

diff --git a/hci/src/btsnoop.c b/hci/src/btsnoop.c
index d859e6842..7b6b97f30 100644
--- a/hci/src/btsnoop.c
+++ b/hci/src/btsnoop.c
@@ -169,14 +169,14 @@ static void update_logging() {
         LOG_ERROR("%s unable to rename '%s' to '%s': %s", __func__, log_path, last_log_path, strerror(errno));
     }
 
-    logfile_fd = open(log_path, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH);
+    logfile_fd = TEMP_FAILURE_RETRY(open(log_path, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH));
     if (logfile_fd == INVALID_FD) {
       LOG_ERROR("%s unable to open '%s': %s", __func__, log_path, strerror(errno));
       is_logging = false;
       return;
     }
 
-    write(logfile_fd, "btsnoop\0\0\0\0\1\0\0\x3\xea", 16);
+    TEMP_FAILURE_RETRY(write(logfile_fd, "btsnoop\0\0\0\0\1\0\0\x3\xea", 16));
   } else {
     if (logfile_fd != INVALID_FD)
       close(logfile_fd);
@@ -188,7 +188,7 @@ static void update_logging() {
 
 static void btsnoop_write(const void *data, size_t length) {
   if (logfile_fd != INVALID_FD)
-    write(logfile_fd, data, length);
+    TEMP_FAILURE_RETRY(write(logfile_fd, data, length));
 
   btsnoop_net_write(data, length);
 }