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| author | Stefan Liebler <stli@linux.ibm.com> | 2018-09-06 14:27:03 +0200 |
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| committer | Stefan Liebler <stli@linux.ibm.com> | 2018-09-10 14:22:52 +0200 |
| commit | 1fe2b9ca8a50aaa789d72944b5a91f1d35337adc (patch) | |
| tree | 1d637020bce4fbf6fec6e23092a19b13284e1a1f /wctype/wctype.c | |
| parent | 0b79004569e5ce1669136b8c41564c3809730f15 (diff) | |
| download | glibc-1fe2b9ca8a50aaa789d72944b5a91f1d35337adc.tar.gz glibc-1fe2b9ca8a50aaa789d72944b5a91f1d35337adc.tar.xz glibc-1fe2b9ca8a50aaa789d72944b5a91f1d35337adc.zip | |
Fix segfault in maybe_script_execute.
If glibc is built with gcc 8 and -march=z900, the testcase posix/tst-spawn4-compat crashes with a segfault. In function maybe_script_execute, the new_argv array is dynamically initialized on stack with (argc + 1) elements. The function wants to add _PATH_BSHELL as the first argument and writes out of bounds of new_argv. There is an off-by-one because maybe_script_execute fails to count the terminating NULL when sizing new_argv. ChangeLog: * sysdeps/unix/sysv/linux/spawni.c (maybe_script_execute): Increment size of new_argv by one. (cherry picked from commit 28669f86f6780a18daca264f32d66b1428c9c6f1)
Diffstat (limited to 'wctype/wctype.c')
0 files changed, 0 insertions, 0 deletions