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| author | Stefan Liebler <stli@linux.ibm.com> | 2021-12-16 12:47:11 +0100 |
|---|---|---|
| committer | Stefan Liebler <stli@linux.ibm.com> | 2021-12-16 15:19:28 +0100 |
| commit | ff3cb03f38f851bbb066206573dc68914920be0a (patch) | |
| tree | c2094e12eeb10e1ea7f5e3a833368ef0c3eedc4c /localedata | |
| parent | ae23fa3e5fe24daf94fc7f8e5268bb8ceeda7477 (diff) | |
| download | glibc-ff3cb03f38f851bbb066206573dc68914920be0a.zip glibc-ff3cb03f38f851bbb066206573dc68914920be0a.tar.gz glibc-ff3cb03f38f851bbb066206573dc68914920be0a.tar.bz2 | |
Fix __minimal_malloc segfaults in __mmap due to stack-protector
Starting with commit b05fae4d8e34604a72ee36d2d3164391b76fcf0b
"elf: Use the minimal malloc on tunables_strdup",
I get lots of segfaults in static tests on s390x when also using, e.g.:
export GLIBC_TUNABLES="glibc.elision.enable=1"
tunables_strdup callls __minimal_malloc which tries to call __mmap
due to insufficient space left. __mmap itself first setups a new
stack frame and segfaults when copying the stack-protector canary
from thread-pointer. The latter one is not yet setup.
Thus this patch also turns off stack-protection for mmap.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'localedata')
0 files changed, 0 insertions, 0 deletions