Add RTL8723DU Wifi Support #226
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friendlyarm
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Jun 15, 2021
[ Upstream commit 99e729b ] Noticed failure as a crash on ia64 when tried to symbolize all backtraces collected by page_owner=on: $ cat /sys/kernel/debug/page_owner <oops> CPU: 1 PID: 2074 Comm: cat Not tainted 5.12.0-rc4 rockchip-linux#226 Hardware name: hp server rx3600, BIOS 04.03 04/08/2008 ip is at dereference_module_function_descriptor+0x41/0x100 Crash happens at dereference_module_function_descriptor() due to use-after-free when dereferencing ".opd" section header. All section headers are already freed after module is laoded successfully. To keep symbolizer working the change stores ".opd" address and size after module is relocated to a new place and before section headers are discarded. To make similar errors less obscure module_finalize() now zeroes out all variables relevant to module loading only. Link: https://lkml.kernel.org/r/20210403074803.3309096-1-slyfox@gentoo.org Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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See
https://github.com/radxa/kernel/commits/stable-4.4-rockpie/drivers/net/wireless/rockchip_wlan/rtl8723du
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