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4.16. bash
Updated bash packages that fix one bug are now available for Red Hat Enterprise Linux 6.
The GNU Bourne Again shell (Bash) is a shell and command language interpreter compatible with the Bourne shell (sh). Bash is the default shell for Red Hat Enterprise Linux.
Bug Fix
- BZ#814271
- When a SIGCHLD signal was received in job control mode and a handler for the signal was installed, Bash called the trap handler within the signal handler itself. This was unsafe and could cause Bash to enter a deadlock or to terminate unexpectedly with a segmentation fault due to memory corruption. With this update, the trap handler is now called outside of the signal handler, and Bash no longer enters a deadlock, neither crashes in this scenario.
All users of bash are advised to upgrade to these updated packages, which fix this bug.
