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authorTobias Klauser <tklauser@distanz.ch>2015-12-10 08:59:34 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2016-06-06 19:55:24 +0800
commit16cde63e05519c770daa69345b8cf37fb31eaa2a (patch)
treee23b98863509b0b0cb9d1223703a97b9a4c0f167 /src/mkbuiltins
parentbuiltin: Reject malformed printf specifications with digits after '*' (diff)
downloaddash-16cde63e05519c770daa69345b8cf37fb31eaa2a.tar.gz
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jobs: Don't attempt to access job table for job %0
If job %0 is (mistakenly) specified, an out-of-bounds access to the
jobtab occurs in function getjob() if num = 0:

	jp = jobtab + 0 - 1

Fix this by checking that the job number is larger than 0 before
accessing the jobtab.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'src/mkbuiltins')
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