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| author | Nick Mathewson <nickm@torproject.org> | 2018-08-08 09:26:23 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2018-08-08 09:26:23 -0400 |
| commit | 7787150521fda0370331dab80d043294e05e1598 (patch) | |
| tree | 0154ec7cf555d1ab0ca36f7007a956aa2b6bec73 | |
| parent | 3a2b5a5bcbb35cdedfb63a00391bbf15df69cd9b (diff) | |
| parent | aaa5ca366e83795f3ec7b35e879a3c8bc4e0b41f (diff) | |
| download | tor-7787150521fda0370331dab80d043294e05e1598.tar.gz tor-7787150521fda0370331dab80d043294e05e1598.zip | |
Merge branch 'maint-0.3.4'
| -rw-r--r-- | changes/bug25440 | 5 | ||||
| -rw-r--r-- | src/lib/sandbox/sandbox.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/changes/bug25440 b/changes/bug25440 new file mode 100644 index 0000000000..f8d9dd4fab --- /dev/null +++ b/changes/bug25440 @@ -0,0 +1,5 @@ + o Minor bugfixes (linux seccomp2 sandbox): + - Fix a bug in out sandboxing rules for the openat() syscall. + Previously, no openat() call would be permitted, which would break + filesystem operations on recent glibc versions. Fixes bug 25440; + bugfix on 0.2.9.15. Diagnosis and patch from Daniel Pinto. diff --git a/src/lib/sandbox/sandbox.c b/src/lib/sandbox/sandbox.c index 5510754327..48e37ba127 100644 --- a/src/lib/sandbox/sandbox.c +++ b/src/lib/sandbox/sandbox.c @@ -455,7 +455,7 @@ allow_file_open(scmp_filter_ctx ctx, int use_openat, const char *file) { if (use_openat) { return seccomp_rule_add_2(ctx, SCMP_ACT_ALLOW, SCMP_SYS(openat), - SCMP_CMP_STR(0, SCMP_CMP_EQ, AT_FDCWD), + SCMP_CMP(0, SCMP_CMP_EQ, (unsigned int)AT_FDCWD), SCMP_CMP_STR(1, SCMP_CMP_EQ, file)); } else { return seccomp_rule_add_1(ctx, SCMP_ACT_ALLOW, SCMP_SYS(open), |