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| author | Sergei Trofimovich <slyfox@gentoo.org> | 2020-12-21 10:24:34 +0530 |
|---|---|---|
| committer | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2020-12-21 10:24:34 +0530 |
| commit | 6eb7e1da0e805e2893a0b70a5813641529d8c7e2 (patch) | |
| tree | 3e41bd0527d16d03a0b88c09a7a68afb360bc90c /sysdeps/m68k | |
| parent | 756608dbe89f6a829c8f0d2479e09eb026e48d8b (diff) | |
| download | glibc-6eb7e1da0e805e2893a0b70a5813641529d8c7e2.tar.gz glibc-6eb7e1da0e805e2893a0b70a5813641529d8c7e2.tar.xz glibc-6eb7e1da0e805e2893a0b70a5813641529d8c7e2.zip | |
m68k: fix clobbering a5 in setjmp() [BZ #24202]
setjmp() uses C code to store current registers into jmp_buf environment. -fstack-protector-all places canary into setjmp() prologue and clobbers 'a5' before it gets saved. The change inhibits stack canary injection to avoid clobber.
Diffstat (limited to 'sysdeps/m68k')
| -rw-r--r-- | sysdeps/m68k/setjmp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/m68k/setjmp.c b/sysdeps/m68k/setjmp.c index 0b86f2d3ee..d8cc2515d2 100644 --- a/sysdeps/m68k/setjmp.c +++ b/sysdeps/m68k/setjmp.c @@ -19,6 +19,7 @@ /* Save the current program position in ENV and return 0. */ int +inhibit_stack_protector #if defined BSD_SETJMP # undef setjmp # define savemask 1 |