netdev - Re: [PATCH] crypto/krb5: Fix memory leak in krb5_test_one

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <aHopMLTms2aK7obt@gondor.apana.org.au>
Date: Fri, 18 Jul 2025 21:00:00 +1000
From: Herbert Xu <herbert@...dor.apana.org.au>
To: David Howells <dhowells@...hat.com>
Cc: Eric Biggers <ebiggers@...nel.org>, linux-crypto@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [PATCH] crypto/krb5: Fix memory leak in krb5_test_one_prf()

On Wed, Jul 09, 2025 at 11:28:30AM +0100, David Howells wrote:
> Hi Herbert,
> 
> Can you pick this up?
> 
> Eric Biggers <ebiggers@...nel.org> wrote:
> 
> > Fix a leak reported by kmemleak:
> > 
> >     unreferenced object 0xffff8880093bf7a0 (size 32):
> >       comm "swapper/0", pid 1, jiffies 4294877529
> >       hex dump (first 32 bytes):
> >         9d 18 86 16 f6 38 52 fe 86 91 5b b8 40 b4 a8 86  .....8R...[.@...
> >         ff 3e 6b b0 f8 19 b4 9b 89 33 93 d3 93 85 42 95  .>k......3....B.
> >       backtrace (crc 8ba12f3b):
> >         kmemleak_alloc+0x8d/0xa0
> >         __kmalloc_noprof+0x3cd/0x4d0
> >         prep_buf+0x36/0x70
> >         load_buf+0x10d/0x1c0
> >         krb5_test_one_prf+0x1e1/0x3c0
> >         krb5_selftest.cold+0x7c/0x54c
> >         crypto_krb5_init+0xd/0x20
> >         do_one_initcall+0xa5/0x230
> >         do_initcalls+0x213/0x250
> >         kernel_init_freeable+0x220/0x260
> >         kernel_init+0x1d/0x170
> >         ret_from_fork+0x301/0x410
> >         ret_from_fork_asm+0x1a/0x30
> > 
> > Fixes: fc0cf10c04f4 ("crypto/krb5: Implement crypto self-testing")
> > Signed-off-by: Eric Biggers <ebiggers@...nel.org>
> 
> Acked-by: David Howells <dhowells@...hat.com>

Patch applied.  Thanks.
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt