summaryrefslogtreecommitdiff
path: root/kernel/trace
diff options
context:
space:
mode:
authorGreg Kroah-Hartman <gregkh@google.com>2018-05-16 11:32:47 +0200
committerGreg Kroah-Hartman <gregkh@google.com>2018-05-16 11:32:47 +0200
commit46155cc7bd1b4961be980ab2cb266f7c94836767 (patch)
tree78e6abd246f18c2d9e9f78820d9e882241e568e6 /kernel/trace
parentaa3863d2761492384e06510109b9413e28d25429 (diff)
parent69847b97f21141c2d4f6e9c1b22d932b7add3182 (diff)
Merge 4.4.132 into android-4.4
Changes in 4.4.132 perf/core: Fix the perf_cpu_time_max_percent check bpf: map_get_next_key to return first key on NULL KVM: s390: Enable all facility bits that are known good for passthrough percpu: include linux/sched.h for cond_resched() mac80211: allow not sending MIC up from driver for HW crypto mac80211: allow same PN for AMSDU sub-frames mac80211: Add RX flag to indicate ICV stripped ath10k: fix rfc1042 header retrieval in QCA4019 with eth decap mode ath10k: rebuild crypto header in rx data frames gpmi-nand: Handle ECC Errors in erased pages USB: serial: option: Add support for Quectel EP06 ALSA: pcm: Check PCM state at xfern compat ioctl ALSA: seq: Fix races at MIDI encoding in snd_virmidi_output_trigger() ALSA: aloop: Mark paused device as inactive ALSA: aloop: Add missing cable lock to ctl API callbacks tracepoint: Do not warn on ENOMEM Input: leds - fix out of bound access Input: atmel_mxt_ts - add touchpad button mapping for Samsung Chromebook Pro xfs: prevent creating negative-sized file via INSERT_RANGE RDMA/ucma: Allow resolving address w/o specifying source address RDMA/mlx5: Protect from shift operand overflow NET: usb: qmi_wwan: add support for ublox R410M PID 0x90b2 IB/mlx5: Use unlimited rate when static rate is not supported drm/vmwgfx: Fix a buffer object leak test_firmware: fix setting old custom fw path back on exit, second try USB: serial: visor: handle potential invalid device configuration USB: Accept bulk endpoints with 1024-byte maxpacket USB: serial: option: reimplement interface masking USB: serial: option: adding support for ublox R410M usb: musb: host: fix potential NULL pointer dereference ipvs: fix rtnl_lock lockups caused by start_sync_thread crypto: af_alg - fix possible uninit-value in alg_bind() netlink: fix uninit-value in netlink_sendmsg net: fix rtnh_ok() net: initialize skb->peeked when cloning net: fix uninit-value in __hw_addr_add_ex() dccp: initialize ireq->ir_mark soreuseport: initialise timewait reuseport field perf: Remove superfluous allocation error check tcp: fix TCP_REPAIR_QUEUE bound checking bdi: Fix oops in wb_workfn() f2fs: fix a dead loop in f2fs_fiemap() xfrm_user: fix return value from xfrm_user_rcv_msg rfkill: gpio: fix memory leak in probe error path libata: Apply NOLPM quirk for SanDisk SD7UB3Q*G1001 SSDs tracing: Fix regex_match_front() to not over compare the test string can: kvaser_usb: Increase correct stats counter in kvaser_usb_rx_can_msg() net: atm: Fix potential Spectre v1 atm: zatm: Fix potential Spectre v1 Revert "Bluetooth: btusb: Fix quirk for Atheros 1525/QCA6174" tracing/uprobe_event: Fix strncpy corner case perf/x86: Fix possible Spectre-v1 indexing for hw_perf_event cache_* perf/x86/cstate: Fix possible Spectre-v1 indexing for pkg_msr perf/x86/msr: Fix possible Spectre-v1 indexing in the MSR driver perf/core: Fix possible Spectre-v1 indexing for ->aux_pages[] perf/x86: Fix possible Spectre-v1 indexing for x86_pmu::event_map() Linux 4.4.132 Change-Id: I66c21e374dff5a5735f1c5958021612387c635bf Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Diffstat (limited to 'kernel/trace')
-rw-r--r--kernel/trace/trace_events_filter.c3
-rw-r--r--kernel/trace/trace_uprobe.c2
2 files changed, 5 insertions, 0 deletions
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index f0e5408499b6..1ab2db6c127b 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -322,6 +322,9 @@ static int regex_match_full(char *str, struct regex *r, int len)
static int regex_match_front(char *str, struct regex *r, int len)
{
+ if (len < r->len)
+ return 0;
+
if (strncmp(str, r->pattern, r->len) == 0)
return 1;
return 0;
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index d2f6d0be3503..68bb89ad9d28 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -149,6 +149,8 @@ static void FETCH_FUNC_NAME(memory, string)(struct pt_regs *regs,
return;
ret = strncpy_from_user(dst, src, maxlen);
+ if (ret == maxlen)
+ dst[--ret] = '\0';
if (ret < 0) { /* Failed to fetch string */
((u8 *)get_rloc_data(dest))[0] = '\0';