diff options
| author | Amey Telawane <ameyt@codeaurora.org> | 2016-08-01 16:50:43 +0530 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-05-02 13:42:40 +0200 |
| commit | 40d23d4220b114d8a71ddd1d883ca4289e7f0abd (patch) | |
| tree | e83ed91d6096364e76af563f67c654affb21e6a9 /kernel/trace/trace.c | |
| parent | 1878ccb0630fd0b0b109eb2c1533ef928e39d075 (diff) | |
BACKPORT: trace: resolve stack corruption due to string copy
Strcpy has no limit on string being copied which causes
stack corruption leading to kernel panic. Use strlcpy to
resolve the issue by providing length of string to be copied.
CRs-fixed: 1048480
Bug: 35399704
Change-Id: Ib290b25f7e0ff96927b8530e5c078869441d409f
Signed-off-by: Amey Telawane <ameyt@codeaurora.org>
Diffstat (limited to 'kernel/trace/trace.c')
| -rw-r--r-- | kernel/trace/trace.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 55d214c60..5298609f7 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -1549,7 +1549,7 @@ void trace_find_cmdline(int pid, char comm[]) arch_spin_lock(&trace_cmdline_lock); map = map_pid_to_cmdline[pid]; if (map != NO_CMDLINE_MAP) - strcpy(comm, saved_cmdlines[map]); + strlcpy(comm, saved_cmdlines[map], TASK_COMM_LEN); else strcpy(comm, "<...>"); |