net: pktgen: fix access outside of user given buffer in pktgen_thread_write()
authorPeter Seiderer <ps.report@gmx.net>
Wed, 19 Feb 2025 08:45:27 +0000 (09:45 +0100)
committerJakub Kicinski <kuba@kernel.org>
Fri, 21 Feb 2025 01:24:56 +0000 (17:24 -0800)
commit425e64440ad0a2f03bdaf04be0ae53dededbaa77
tree251e5ed2c61173e205a481281e3c1b80afbbe157
parent1e5e511373fe1348ed24372cf2a81234b32ac935
net: pktgen: fix access outside of user given buffer in pktgen_thread_write()

Honour the user given buffer size for the strn_len() calls (otherwise
strn_len() will access memory outside of the user given buffer).

Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20250219084527.20488-8-ps.report@gmx.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/core/pktgen.c