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| author | Ulrich Drepper <drepper@gmail.com> | 2011-05-16 00:58:33 -0400 |
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| committer | Ulrich Drepper <drepper@gmail.com> | 2011-05-16 00:58:33 -0400 |
| commit | 56e5eb4619a936a3b63ae71f89038d69becd2999 (patch) | |
| tree | e6005c7864f9b4ecd3f3bdfcae9b5bad9c294045 /ChangeLog | |
| parent | 6ce7537960cf42a0a6b0fc70957d5ce2ba9838de (diff) | |
| download | glibc-56e5eb4619a936a3b63ae71f89038d69becd2999.tar.gz glibc-56e5eb4619a936a3b63ae71f89038d69becd2999.tar.xz glibc-56e5eb4619a936a3b63ae71f89038d69becd2999.zip | |
Avoid potential deadlock in mtrace
The _dl_addr function might have to call malloc which would lead to a deadlock. Avoid by calling _dl_addr early.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index cd89f3f7e4..4d3cf6d4ec 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,15 @@ 2011-05-16 Ulrich Drepper <drepper@gmail.com> + [BZ #6420] + * malloc/mtrace.c (tr_where): Add additional parameter to point to + symbol info. Use it instead of calling _dl_addr locally. + (lock_and_info): New function. + (tr_freehook): Call lock_and_info and pass symbol info as additional + parameter to tr_where. + (tr_mallochook): Likewise. + (tr_reallochook): Likewise. + (tr_memalignhook): Likewise. + * malloc/mtrace.c: Remove support for USE_MTRACE_FILE. It is not used and couldn't be at all thread-safe. |