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

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Message-ID: <2717585.1752056910@warthog.procyon.org.uk>
Date: Wed, 09 Jul 2025 11:28:30 +0100
From: David Howells <dhowells@...hat.com>
To: Eric Biggers <ebiggers@...nel.org>,
    Herbert Xu <herbert@...dor.apana.org.au>
Cc: dhowells@...hat.com, linux-crypto@...r.kernel.org,
    netdev@...r.kernel.org
Subject: Re: [PATCH] crypto/krb5: Fix memory leak in krb5_test_one_prf()

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>