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Drivers: misc: fix out-of-bounds access in function param_set_kgdbts_var
authorYoung Xiao <YangX92@hotmail.com>
Fri, 12 Apr 2019 07:45:06 +0000 (15:45 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 22 Jun 2019 06:18:23 +0000 (08:18 +0200)
commit3a2ff1088c2ac31547524c4635777edb662a59fd
tree2a09d90677cfeb1a01548ae270d957a9de5f4e2atree | snapshot
parent1f8233ca3a4819888c2a023750eadbe499e638cdcommit | diff
Drivers: misc: fix out-of-bounds access in function param_set_kgdbts_var

[ Upstream commit b281218ad4311a0342a40cb02fb17a363df08b48 ]

There is an out-of-bounds access to "config[len - 1]" array when the
variable "len" is zero.

See commit dada6a43b040 ("kgdboc: fix KASAN global-out-of-bounds bug
in param_set_kgdboc_var()") for details.

Signed-off-by: Young Xiao <YangX92@hotmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/misc/kgdbts.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git