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| author | Ulrich Drepper <drepper@redhat.com> | 2010-05-21 23:51:18 -0700 |
|---|---|---|
| committer | Andreas Schwab <schwab@redhat.com> | 2010-06-01 09:54:07 +0200 |
| commit | a0ba5dee69157acbf5d4093544cdec24ec386164 (patch) | |
| tree | 0af4ccf1981ca56fec43482b9ee04ee113199a35 | |
| parent | 6155a84f4a571a88a16375b7c78d5194bda3539d (diff) | |
| download | glibc-a0ba5dee69157acbf5d4093544cdec24ec386164.tar.gz glibc-a0ba5dee69157acbf5d4093544cdec24ec386164.tar.xz glibc-a0ba5dee69157acbf5d4093544cdec24ec386164.zip | |
Don't crash on unresolved weak symbol reference when auditing.
(cherry picked from commit b32b8b451b398ebae33d4cf8039c03f4d615c0c3)
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | elf/dl-runtime.c | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index a93e2a2f4c..55f1145d19 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2010-05-21 Ulrich Drepper <drepper@redhat.com> + + * elf/dl-runtime.c (_dl_profile_fixup): Don't crash on unresolved weak + symbol reference. + 2010-05-19 Andreas Schwab <schwab@redhat.com> * elf/dl-runtime.c (_dl_fixup): Don't crash on unresolved weak diff --git a/elf/dl-runtime.c b/elf/dl-runtime.c index 181af7dfac..6847edafc6 100644 --- a/elf/dl-runtime.c +++ b/elf/dl-runtime.c @@ -232,8 +232,9 @@ _dl_profile_fixup ( ? LOOKUP_VALUE_ADDRESS (result) + defsym->st_value : 0); - if (__builtin_expect (ELFW(ST_TYPE) (defsym->st_info) - == STT_GNU_IFUNC, 0)) + if (defsym != NULL + && __builtin_expect (ELFW(ST_TYPE) (defsym->st_info) + == STT_GNU_IFUNC, 0)) value = ((DL_FIXUP_VALUE_TYPE (*) (void)) DL_FIXUP_VALUE_ADDR (value)) (); } |