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| author | Ulrich Drepper <drepper@redhat.com> | 2010-05-21 23:51:18 -0700 |
|---|---|---|
| committer | Petr Baudis <pasky@ucw.cz> | 2010-05-31 19:00:37 +0200 |
| commit | 4d4e902530cad7cd18570ad4b7bd7f31b33cce28 (patch) | |
| tree | 659b57b59f78926f03de8f2c4d28ed381a8f42aa | |
| parent | d0d308e32b10a0776c6b7d5748b96bb5a9076f96 (diff) | |
| download | glibc-4d4e902530cad7cd18570ad4b7bd7f31b33cce28.tar.gz glibc-4d4e902530cad7cd18570ad4b7bd7f31b33cce28.tar.xz glibc-4d4e902530cad7cd18570ad4b7bd7f31b33cce28.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 97bd0bc577..a90e6ddbf5 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)) (); } |