Re: [PATCH][next] smack: fix two memory leaks in smack_add_opt
From: Al Viro <viro@zeniv.linux.org.uk>
Date: 2018-12-22 19:34:42
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kernel-janitors, lkml
On Sat, Dec 22, 2018 at 12:27:50PM +0000, Colin King wrote:
From: Colin Ian King <redacted>
Currently if s is null or when returning via the error exit label
out_opt_err leaks of the allocated opts can occur. Fix the leak
on the null s case by checking s is null before the allocation. Fix
the leak on the exit path by checking if opts was allocated by
kfree'ing opts.
Detected by CoverityScan, CID#1475953 ("Resource leak")
Fixes: b2130173efae ("smack: take the guts of smack_parse_opts_str() into a new helper")
Signed-off-by: Colin Ian King <redacted>There's a better fix in local tree, will go into -next tonight.