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Fix null dereferences
47/249347/1
author
Michal Bloch
<m.bloch@samsung.com>
Mon, 7 Dec 2020 21:16:07 +0000
(22:16 +0100)
committer
Karol Lewandowski
<k.lewandowsk@samsung.com>
Thu, 10 Dec 2020 09:44:41 +0000
(09:44 +0000)
Change-Id: Id23b9aaad60752f797783f9ccc6f9bbfa9357941
Signed-off-by: Michal Bloch <m.bloch@samsung.com>
(cherry picked from commit
a9a8f5e3955f55e03a05878a381257085dc02951
)
src/crash-stack/proc.c
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diff --git
a/src/crash-stack/proc.c
b/src/crash-stack/proc.c
index
46f40e1
..
8946c21
100644
(file)
--- a/
src/crash-stack/proc.c
+++ b/
src/crash-stack/proc.c
@@
-294,6
+294,8
@@
char *get_thread_states(const int *tids, int n)
{
int i;
char *res = calloc(1, n);
+ if (!res)
+ return NULL;
for (i = 0; i < n; ++i) {
int state = proc_state(tids[i]);
@@
-383,6
+385,9
@@
static int copy_memory_process_vm_readv(int pid,
remote_iov = malloc(sizeof(struct iovec)*n_frames);
frame_bytes = malloc(sizeof(ssize_t)*n_frames);
+ if (!local_iov || !remote_iov || !frame_bytes)
+ goto process_vm_readv_end;
+
for (i = 0; i < n_frames; ++i) {
local_iov[i].iov_base = frames[i]->data;
local_iov[i].iov_len = frames[i]->length;