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| author | trasz <trasz@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f> | 2020-10-29 15:44:44 +0000 |
|---|---|---|
| committer | trasz <trasz@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f> | 2020-10-29 15:44:44 +0000 |
| commit | 45192d498054fcdbc3f6fdbdcb4caa3ba1443085 (patch) | |
| tree | ee8b3837a216fd37c663c15d0a04ee0c5477cf93 | |
| parent | 242e982f79110363e97731035c6fa5d0fed644a4 (diff) | |
| download | freebsd-45192d498054fcdbc3f6fdbdcb4caa3ba1443085.tar.gz freebsd-45192d498054fcdbc3f6fdbdcb4caa3ba1443085.tar.bz2 | |
Make linprocfs(4) print a warning when there's not enough room to fill
/proc/self/maps.
Submitted by: dchagin (earlier version)
Reviewed by: emaste (earlier version)
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D20576
git-svn-id: http://svn.freebsd.org/base/head@367139 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
| -rw-r--r-- | sys/compat/linprocfs/linprocfs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/compat/linprocfs/linprocfs.c b/sys/compat/linprocfs/linprocfs.c index b346fe84f7c..515253cfdd9 100644 --- a/sys/compat/linprocfs/linprocfs.c +++ b/sys/compat/linprocfs/linprocfs.c @@ -1252,6 +1252,10 @@ linprocfs_doprocmaps(PFS_FILL_ARGS) *name ? " " : " ", name ); + if (error == -1) { + linux_msg(td, "cannot fill /proc/self/maps; " + "consider bumping PFS_MAXBUFSIZ"); + } if (freename) free(freename, M_TEMP); vm_map_lock_read(map); |