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firmware: dmi: Stop decoding on broken entry
authorJean Delvare <jdelvare@suse.de>
Tue, 30 Apr 2024 16:29:32 +0000 (18:29 +0200)
committerJean Delvare <jdelvare@suse.de>
Tue, 30 Apr 2024 16:29:32 +0000 (18:29 +0200)
commit0ef11f604503b1862a21597436283f158114d77e
treeddc51254ea3979b08bb67a3662c4e353f2628011tree | snapshot
parentcf770af5645a41a753c55a053fa1237105b0964acommit | diff
firmware: dmi: Stop decoding on broken entry

If a DMI table entry is shorter than 4 bytes, it is invalid. Due to
how DMI table parsing works, it is impossible to safely recover from
such an error, so we have to stop decoding the table.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Link: https://lore.kernel.org/linux-kernel/Zh2K3-HLXOesT_vZ@liuwe-devbox-debian-v2/T/
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
drivers/firmware/dmi_scan.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)