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| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-01-27 17:49:15 +0100 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-01-27 17:49:15 +0100 |
| commit | 4575243c5c173f8adbc08a5c6ea2269742ea2b47 (patch) | |
| tree | d084fde0a55f38f1924e45f9629dad7747759df7 /kernel/seccomp.c | |
| parent | 701ddf0bbfc761b8bdc974ce9c4e05f9833683e3 (diff) | |
| parent | d85339d9ea2660b550f12aca8bd040be4395c963 (diff) | |
Merge tag 'nand/for-5.6' into mtd/next
Raw NAND
* Macronix: Use match_string() helper
* Atmel: switch to using devm_fwnode_gpiod_get()
* Denali: rework the SKIP_BYTES feature and add reset controlling
* Brcmnand: set appropriate DMA mask
* Various cleanup.
Onenand drivers
* Rename Samsung and Omap2 drivers to avoid possible build warnings
* Enable compile testing
* Various build issues
* Kconfig cleanup
SPI-NAND
* Support for Toshiba TC58CVG2S0HRAIJ
Diffstat (limited to 'kernel/seccomp.c')
| -rw-r--r-- | kernel/seccomp.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/kernel/seccomp.c b/kernel/seccomp.c index 12d2227e5786..b6ea3dcb57bf 100644 --- a/kernel/seccomp.c +++ b/kernel/seccomp.c @@ -1026,6 +1026,13 @@ static long seccomp_notify_recv(struct seccomp_filter *filter, struct seccomp_notif unotif; ssize_t ret; + /* Verify that we're not given garbage to keep struct extensible. */ + ret = check_zeroed_user(buf, sizeof(unotif)); + if (ret < 0) + return ret; + if (!ret) + return -EINVAL; + memset(&unotif, 0, sizeof(unotif)); ret = down_interruptible(&filter->notif->request); |