commit 59f29970fa78bec8c01bd5f16edca8c24b8724f5 Author: Nick Mathewson nickm@torproject.org Date: Fri Jun 16 14:03:02 2017 -0400

Permit the fchmod system call.

Fixes bug 22516; bugfix on 0.2.5.4-alpha. --- changes/bug22516 | 5 +++++ src/common/sandbox.c | 3 +++ 2 files changed, 8 insertions(+)

diff --git a/changes/bug22516 b/changes/bug22516 new file mode 100644 index 0000000..f024a3c --- /dev/null +++ b/changes/bug22516 @@ -0,0 +1,5 @@ + o Minor bugfixes (linux seccomp2 sandbox): + - Permit the fchmod system call, to avoid crashing on startup when + starting with the seccomp2 sandbox and an unexpected set of permissions + on the data directory or its contents. Fixes bug 22516; bugfix on + 0.2.5.4-alpha. diff --git a/src/common/sandbox.c b/src/common/sandbox.c index 95c9f83..da96ad8 100644 --- a/src/common/sandbox.c +++ b/src/common/sandbox.c @@ -136,6 +136,9 @@ static int filter_nopar_gen[] = { #ifdef HAVE_PIPE SCMP_SYS(pipe), #endif +#ifdef __NR_fchmod + SCMP_SYS(fchmod), +#endif SCMP_SYS(fcntl), SCMP_SYS(fstat), #ifdef __NR_fstat64