Rand Deeb <rand.sec96@xxxxxxxxx> wrote: > The ssb_device_uevent function first attempts to convert the 'dev' pointer > to 'struct ssb_device *'. However, it mistakenly dereferences 'dev' before > performing the NULL check, potentially leading to a NULL pointer > dereference if 'dev' is NULL. > > To fix this issue, this patch moves the NULL check before dereferencing the > 'dev' pointer, ensuring that the pointer is valid before attempting to use > it. > > Found by Linux Verification Center (linuxtesting.org) with SVACE. > > Signed-off-by: Rand Deeb <rand.sec96@xxxxxxxxx> > Acked-by: Michael Büsch <m@xxxxxxx> Failed to apply: error: sha1 information is lacking or useless (drivers/ssb/main.c). error: could not build fake ancestor hint: Use 'git am --show-current-patch=diff' to see the failed patch Applying: ssb: Fix potential NULL pointer dereference in ssb_device_uevent Patch failed at 0001 ssb: Fix potential NULL pointer dereference in ssb_device_uevent Patch set to Changes Requested. -- https://patchwork.kernel.org/project/linux-wireless/patch/20240229093756.129324-1-rand.sec96@xxxxxxxxx/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
