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| author | Florian Weimer <fweimer@redhat.com> | 2022-01-25 12:09:56 +0100 |
|---|---|---|
| committer | Florian Weimer <fweimer@redhat.com> | 2022-01-25 12:09:56 +0100 |
| commit | ab2a2457780d224343ce05e7d8e2964c6a47fd83 (patch) | |
| tree | 4556409d77e8fc85a3086d6cb7ea0f16bca2d04f /libgcc | |
| parent | 0d56eb93aa6e58328fbf679a4839bfaef5c05f5c (diff) | |
| download | gcc-ab2a2457780d224343ce05e7d8e2964c6a47fd83.zip gcc-ab2a2457780d224343ce05e7d8e2964c6a47fd83.tar.gz gcc-ab2a2457780d224343ce05e7d8e2964c6a47fd83.tar.bz2 | |
libgcc: Fix _Unwind_Find_FDE for missing unwind data with glibc 2.35
_dl_find_object returns success even if no unwind information has been
found, and dlfo_eh_frame is NULL.
libgcc/ChangeLog:
PR libgcc/104207
* unwind-dw2-fde-dip.c (_Unwind_Find_FDE): Add NULL check.
Diffstat (limited to 'libgcc')
| -rw-r--r-- | libgcc/unwind-dw2-fde-dip.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libgcc/unwind-dw2-fde-dip.c b/libgcc/unwind-dw2-fde-dip.c index 7de847c..3d6f39f 100644 --- a/libgcc/unwind-dw2-fde-dip.c +++ b/libgcc/unwind-dw2-fde-dip.c @@ -509,7 +509,7 @@ _Unwind_Find_FDE (void *pc, struct dwarf_eh_bases *bases) #ifdef DLFO_STRUCT_HAS_EH_DBASE { struct dl_find_object dlfo; - if (_dl_find_object (pc, &dlfo) == 0) + if (_dl_find_object (pc, &dlfo) == 0 && dlfo.dlfo_eh_frame != NULL) return find_fde_tail ((_Unwind_Ptr) pc, dlfo.dlfo_eh_frame, # if DLFO_STRUCT_HAS_EH_DBASE (_Unwind_Ptr) dlfo.dlfo_eh_dbase, |