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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2025-04-21 19:45:02 +0200 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2025-04-21 19:46:24 +0200 |
| commit | 0f2df19d9535d234b31c65f84a6c67ac2e0bd027 (patch) | |
| tree | df70c78e38c90566188e56a48451760908029132 | |
| parent | 8d54b428cfe98c21049f94c8af3bf302e44091e9 (diff) | |
| download | glibc-0f2df19d9535d234b31c65f84a6c67ac2e0bd027.zip glibc-0f2df19d9535d234b31c65f84a6c67ac2e0bd027.tar.gz glibc-0f2df19d9535d234b31c65f84a6c67ac2e0bd027.tar.bz2 | |
hurd: Do not check for xstate level if it was not initialized
If __thread_get_state failed, there is no xstate level to check.
ok is 0 already and the memory exists, but better not read uninitialized
memory.
| -rw-r--r-- | sysdeps/mach/hurd/x86/trampoline.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sysdeps/mach/hurd/x86/trampoline.c b/sysdeps/mach/hurd/x86/trampoline.c index db756e8..02510b1 100644 --- a/sysdeps/mach/hurd/x86/trampoline.c +++ b/sysdeps/mach/hurd/x86/trampoline.c @@ -289,7 +289,7 @@ _hurd_setup_sighandler (struct hurd_sigstate *ss, const struct sigaction *action (thread_state_t) stackframe->xstate, &got) && got == (xstate_size / sizeof (int))); - if (((struct i386_xfloat_state*) stackframe->xstate)->fp_save_kind > 5) + if (ok && ((struct i386_xfloat_state*) stackframe->xstate)->fp_save_kind > 5) /* We support up to XSAVES */ ok = 0; |