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fix memory leak on failure in sandbox.c:prot_strings()

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[CID 1205014]
This commit is contained in:
Nick Mathewson 2014-08-21 11:40:48 -04:00
parent 35b2e11755
commit 523587a5cf
1 changed files with 3 additions and 3 deletions
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6
src/common/sandbox.c
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@ -1084,7 +1084,7 @@ prot_strings(scmp_filter_ctx ctx, sandbox_cfg_t* cfg)
SCMP_CMP(0, SCMP_CMP_EQ, (intptr_t) pr_mem_base)); SCMP_CMP(0, SCMP_CMP_EQ, (intptr_t) pr_mem_base));
if (ret) { if (ret) {
log_err(LD_BUG,"(Sandbox) munmap protected memory filter fail!"); log_err(LD_BUG,"(Sandbox) munmap protected memory filter fail!");
return ret; goto out;
} }
/* /*
@ -1103,7 +1103,7 @@ prot_strings(scmp_filter_ctx ctx, sandbox_cfg_t* cfg)
SCMP_CMP(2, SCMP_CMP_EQ, PROT_READ|PROT_WRITE)); SCMP_CMP(2, SCMP_CMP_EQ, PROT_READ|PROT_WRITE));
if (ret) { if (ret) {
log_err(LD_BUG,"(Sandbox) mprotect protected memory filter fail (LT)!"); log_err(LD_BUG,"(Sandbox) mprotect protected memory filter fail (LT)!");
return ret; goto out;
} }
ret = seccomp_rule_add_3(ctx, SCMP_ACT_ALLOW, SCMP_SYS(mprotect), ret = seccomp_rule_add_3(ctx, SCMP_ACT_ALLOW, SCMP_SYS(mprotect),
@ -1113,7 +1113,7 @@ prot_strings(scmp_filter_ctx ctx, sandbox_cfg_t* cfg)
SCMP_CMP(2, SCMP_CMP_EQ, PROT_READ|PROT_WRITE)); SCMP_CMP(2, SCMP_CMP_EQ, PROT_READ|PROT_WRITE));
if (ret) { if (ret) {
log_err(LD_BUG,"(Sandbox) mprotect protected memory filter fail (GT)!"); log_err(LD_BUG,"(Sandbox) mprotect protected memory filter fail (GT)!");
return ret; goto out;
} }
out: out: