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authorRon Yorston2015-10-30 19:07:37 +0000
committerDenys Vlasenko2015-10-30 22:23:13 +0100
commit95650a86d176ee83a264fd9e7047c414b71ee7cb (patch)
treeb19e6bf3825cd00040df90826249a3c490a51e0a /archival
parent8c55dc79a79d6a16c364e6b1f849bf426f21fcbb (diff)
downloadbusybox-95650a86d176ee83a264fd9e7047c414b71ee7cb.zip
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ash: allow popredir to be called if the stack is empty
If /tmp/test.sh is a script that tries to run a second script which happens to be non-executable this: command . /tmp/test.sh causes a seg fault. This is because clearredir is called in the error path to clear the stack of redirections. The normal path then calls popredir, but popredir fails when the stack is empty. Reported-by: Bastian Bittorf <bittorf@bluebottle.com> Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'archival')
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