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 for Android: free password hash cracker in your pocket
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date: Mon, 23 Oct 2023 17:30:57 +0000 (UTC)
From: Kalle Valo <>
To: Justin Stitt <>
Cc:,,, Justin Stitt <>
Subject: Re: [v2] wifi: atmel: replace deprecated strncpy with strscpy

Justin Stitt <> wrote:

> strncpy() is deprecated for use on NUL-terminated destination strings
> [1] and as such we should prefer more robust and less ambiguous string
> interfaces.
> We expect priv->firmware_id to be NUL-terminated based on its usage
> with seq_printf() and strlen() in atmel.c:
> 1420 |       seq_printf(m, "%s loaded by host\n", priv->firmware_id);
> ...
> 3884 |       if (strlen(priv->firmware_id) == 0) {
> NUL-padding is not required, which is evident by the usage of a plain
> strcpy():
> 3891 |   strcpy(priv->firmware_id, "atmel_at76c502.bin");
> Considering the above, a suitable replacement is `strscpy` [2] due to
> the fact that it guarantees NUL-termination on the destination buffer
> without unnecessarily NUL-padding.
> Let's also replace hard-coded lengths to be `sizeof(...)` for buffers
> that the compiler can detect the size for as this is less error prone.
> Link: [1]
> Link: [2]
> Link: [3]
> Link:
> Cc:
> Signed-off-by: Justin Stitt <>
> Reviewed-by: Kees Cook <>

Failed to apply:

Recorded preimage for 'drivers/net/wireless/atmel/atmel.c'
error: Failed to merge in the changes.
hint: Use 'git am --show-current-patch=diff' to see the failed patch
Applying: wifi: atmel: replace deprecated strncpy with strscpy
Using index info to reconstruct a base tree...
M	drivers/net/wireless/atmel/atmel.c
Falling back to patching base and 3-way merge...
Auto-merging drivers/net/wireless/atmel/atmel.c
CONFLICT (content): Merge conflict in drivers/net/wireless/atmel/atmel.c
Patch failed at 0001 wifi: atmel: replace deprecated strncpy with strscpy

Patch set to Changes Requested.


Powered by blists - more mailing lists