#include #include #include #include "libbpf.h" #include "bpf_load.h" int main(int ac, char **argv) { FILE *f; char filename[256]; snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); if (load_bpf_file(filename)) { printf("%s", bpf_log_buf); return 1; } f = popen("taskset 1 ping -c5 localhost", "r"); (void) f; read_trace_pipe(); return 0; } s-git' href='git://git.distanz.ch/linux/net-next.git' title='net-next.git Git repository'/>
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authorAshutosh Dixit <ashutosh.dixit@intel.com>2016-04-27 14:36:05 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-04-27 15:30:58 -0700
commit82dc4afd7e65455464f0fc2fe6976efde54fe451 (patch)
tree8d84c648ca1e8f0684ac16435dfa9f5c91c30747 /Documentation/binfmt_misc.txt
parentc3b46c73264b03000d1e18b22f5caf63332547c9 (diff)
misc: mic: Fix for double fetch security bug in VOP driver
The MIC VOP driver does two successive reads from user space to read a variable length data structure. Kernel memory corruption can result if the data structure changes between the two reads. This patch disallows the chance of this happening. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=116651 Reported by: Pengfei Wang <wpengfeinudt@gmail.com> Reviewed-by: Sudeep Dutt <sudeep.dutt@intel.com> Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/binfmt_misc.txt')