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| author | Nick Mathewson <nickm@torproject.org> | 2018-03-20 08:22:28 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2018-03-20 08:23:44 -0400 |
| commit | 070eda5a21f580ee00ed64527ade4343b10e0fb6 (patch) | |
| tree | 082b96b4a13b294799be8bb7daede44403ba463c | |
| parent | 3370b3cfef62cba8377285d95b232f810edde504 (diff) | |
| download | tor-070eda5a21f580ee00ed64527ade4343b10e0fb6.tar.gz tor-070eda5a21f580ee00ed64527ade4343b10e0fb6.zip | |
Add the poll() syscall as permitted by the sandbox
Apparently, sometimes getpwnam will call this.
Fixes bug 25513.
| -rw-r--r-- | changes/feature25313 | 4 | ||||
| -rw-r--r-- | src/common/sandbox.c | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/changes/feature25313 b/changes/feature25313 new file mode 100644 index 0000000000..90f421169f --- /dev/null +++ b/changes/feature25313 @@ -0,0 +1,4 @@ + o Minor features (sandbox): + - Explicitly permit the poll() system call when the Linux seccomp2-based + sandbox is enabled: apparently, some versions of libc use poll() when + calling getpwnam(). Closes ticket 25313. diff --git a/src/common/sandbox.c b/src/common/sandbox.c index b90ae02578..c1b7bfe5e9 100644 --- a/src/common/sandbox.c +++ b/src/common/sandbox.c @@ -247,7 +247,8 @@ static int filter_nopar_gen[] = { SCMP_SYS(recvmsg), SCMP_SYS(recvfrom), SCMP_SYS(sendto), - SCMP_SYS(unlink) + SCMP_SYS(unlink), + SCMP_SYS(poll) }; /* These macros help avoid the error where the number of filters we add on a |