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bash-3.1-ulimit.patch
bash security emergency update
Hanno Böck
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ec27e9a
at 2014-09-24 16:52:57
bash-3.1-ulimit.patch
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Ripped from Fedora Add support for RLIMIT_NICE/RLIMIT_RTPRIO and add missing documentation for many other options --- builtins/ulimit.def +++ builtins/ulimit.def @@ -24,7 +24,7 @@ $BUILTIN ulimit $FUNCTION ulimit_builtin $DEPENDS_ON !_MINIX -$SHORT_DOC ulimit [-SHacdfilmnpqstuvx] [limit] +$SHORT_DOC ulimit [-SHacdefilmnpqrstuvx] [limit] Ulimit provides control over the resources available to processes started by the shell, on systems that allow such control. If an option is given, it is interpreted as follows: @@ -34,18 +34,20 @@ -a all current limits are reported -c the maximum size of core files created -d the maximum size of a process's data segment + -e the maximum scheduling priority (`nice') -f the maximum size of files created by the shell - -i the maximum number of pending signals + -i the maximum number of pending signals -l the maximum size a process may lock into memory -m the maximum resident set size -n the maximum number of open file descriptors -p the pipe buffer size - -q the maximum number of bytes in POSIX message queues + -q the maximum number of bytes in POSIX message queues + -r the maximum rt priority -s the maximum stack size -t the maximum amount of cpu time in seconds -u the maximum number of user processes -v the size of virtual memory - -x the maximum number of file locks + -x the maximum number of file locks If LIMIT is given, it is the new value of the specified resource; the special LIMIT values `soft', `hard', and `unlimited' stand for @@ -202,6 +204,9 @@ #ifdef RLIMIT_DATA { 'd', RLIMIT_DATA, 1024, "data seg size", "kbytes" }, #endif +#ifdef RLIMIT_NICE + { 'e', RLIMIT_NICE, 1, "max nice", (char *)NULL}, +#endif { 'f', RLIMIT_FILESIZE, 1024, "file size", "blocks" }, #ifdef RLIMIT_SIGPENDING { 'i', RLIMIT_SIGPENDING, 1, "pending signals", (char *)NULL }, @@ -217,6 +222,9 @@ #ifdef RLIMIT_MSGQUEUE { 'q', RLIMIT_MSGQUEUE, 1, "POSIX message queues", "bytes" }, #endif +#ifdef RLIMIT_RTPRIO + { 'r', RLIMIT_RTPRIO, 1, "max rt priority", (char *)NULL}, +#endif #ifdef RLIMIT_STACK { 's', RLIMIT_STACK, 1024, "stack size", "kbytes" }, #endif --- doc/bashref.texi +++ doc/bashref.texi @@ -3833,7 +3833,7 @@ @item ulimit @btindex ulimit @example -ulimit [-acdfilmnpqstuvxSH] [@var{limit}] +ulimit [-acdefilmnpqrstuvxSH] [@var{limit}] @end example @code{ulimit} provides control over the resources available to processes started by the shell, on systems that allow such control. If an @@ -3854,6 +3854,9 @@ @item -d The maximum size of a process's data segment. +@item -e +The maximum scheduling priority. + @item -f The maximum size of files created by the shell. @@ -3875,6 +3878,9 @@ @item -q The maximum number of bytes in POSIX message queues. +@item -r +The maximum RT priority. + @item -s The maximum stack size. --- doc/bash.1 +++ doc/bash.1 @@ -8490,7 +8490,7 @@ returns true if any of the arguments are found, false if none are found. .TP -\fBulimit\fP [\fB\-SHacdfilmnpqstuvx\fP [\fIlimit\fP]] +\fBulimit\fP [\fB\-SHacdefilmnpqrstuvx\fP [\fIlimit\fP]] Provides control over the resources available to the shell and to processes started by it, on systems that allow such control. The \fB\-H\fP and \fB\-S\fP options specify that the hard or soft limit is @@ -8526,6 +8526,9 @@ .B \-d The maximum size of a process's data segment .TP +.B \-e +The maximum scheduling priority (`nice') +.TP .B \-f The maximum size of files created by the shell .TP @@ -8548,6 +8551,9 @@ .B \-q The maximum number of bytes in POSIX message queues .TP +.B \-r +The maximum rt priority +.TP .B \-s The maximum stack size .TP
