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Permit setrlimit, prlimit, prlimit64 calls.

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We call setrlimit under some circumstances, and it can call prlimit
and prlimit64 under the hood.

Fixes bug 15221.
This commit is contained in:
Nick Mathewson 2016-03-14 13:21:16 -04:00
parent 17cfdb358c
commit 725e0c76e3
2 changed files with 13 additions and 0 deletions
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4
changes/bug15221 Normal file
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@ -0,0 +1,4 @@
o Minor bugfixes (sandbox):
- Allow the setrlimit syscall, and the prlimit and prlimit64 syscalls,
which some libc implementations
use under the hood. Fixes bug 15221. Bugfix on 0.2.5.1-alpha.

9
src/common/sandbox.c
View File

@ -177,11 +177,20 @@ static int filter_nopar_gen[] = {
SCMP_SYS(mmap), SCMP_SYS(mmap),
#endif #endif
SCMP_SYS(munmap), SCMP_SYS(munmap),
#ifdef __NR_prlimit
SCMP_SYS(prlimit),
#endif
#ifdef __NR_prlimit64
SCMP_SYS(prlimit64),
#endif
SCMP_SYS(read), SCMP_SYS(read),
SCMP_SYS(rt_sigreturn), SCMP_SYS(rt_sigreturn),
SCMP_SYS(sched_getaffinity), SCMP_SYS(sched_getaffinity),
SCMP_SYS(sendmsg), SCMP_SYS(sendmsg),
SCMP_SYS(set_robust_list), SCMP_SYS(set_robust_list),
#ifdef __NR_setrlimit
SCMP_SYS(setrlimit),
#endif
#ifdef __NR_sigreturn #ifdef __NR_sigreturn
SCMP_SYS(sigreturn), SCMP_SYS(sigreturn),
#endif #endif