diff options
| author | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2019-12-18 22:52:20 +0100 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2019-12-18 22:52:20 +0100 |
| commit | 1ddf624b0b268fdc0b80b1de618b98f8d117afea (patch) | |
| tree | 3d3218332bcb34cb0afa01d6ad996058a3dbcb77 /fs/kernfs/symlink.c | |
| parent | 6b774eec1f9d3064e9b33634dfa99d5666d0a73a (diff) | |
| parent | bfb9e5c03076a446b1f4f6a523ddc8d723c907a6 (diff) | |
Merge tag 'v4.14.159' into 4.14-2.0.x-imx
This is the 4.14.159 stable release
Conflicts:
arch/arm/Kconfig.debug
arch/arm/boot/dts/imx7s.dtsi
arch/arm/mach-imx/cpuidle-imx6sx.c
drivers/crypto/caam/caamalg.c
drivers/crypto/mxs-dcp.c
drivers/dma/imx-sdma.c
drivers/input/keyboard/imx_keypad.c
drivers/net/can/flexcan.c
drivers/net/can/rx-offload.c
drivers/net/wireless/ath/ath10k/pci.c
drivers/pci/dwc/pci-imx6.c
drivers/spi/spi-fsl-lpspi.c
drivers/usb/dwc3/gadget.c
Diffstat (limited to 'fs/kernfs/symlink.c')
| -rw-r--r-- | fs/kernfs/symlink.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/kernfs/symlink.c b/fs/kernfs/symlink.c index 5145ae2f0572..d273e3accade 100644 --- a/fs/kernfs/symlink.c +++ b/fs/kernfs/symlink.c @@ -63,6 +63,9 @@ static int kernfs_get_target_path(struct kernfs_node *parent, if (base == kn) break; + if ((s - path) + 3 >= PATH_MAX) + return -ENAMETOOLONG; + strcpy(s, "../"); s += 3; base = base->parent; @@ -79,7 +82,7 @@ static int kernfs_get_target_path(struct kernfs_node *parent, if (len < 2) return -EINVAL; len--; - if ((s - path) + len > PATH_MAX) + if ((s - path) + len >= PATH_MAX) return -ENAMETOOLONG; /* reverse fillup of target string from target to base */ |