projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: df7ecce) | patch
efi: fix panic in kdump kernel
authorOleksandr Tymoshenko <ovt@google.com>
Sat, 23 Mar 2024 06:33:33 +0000 (06:33 +0000)
committerArd Biesheuvel <ardb@kernel.org>
Sun, 24 Mar 2024 08:28:33 +0000 (09:28 +0100)
commit62b71cd73d41ddac6b1760402bbe8c4932e23531
tree09e447a00f1f8a8b0f83dcf9de72955a1798c1b1tree | snapshot
parentdf7ecce842b846a04d087ba85fdb79a90e26a1b0commit | diff
efi: fix panic in kdump kernel

Check if get_next_variable() is actually valid pointer before
calling it. In kdump kernel this method is set to NULL that causes
panic during the kexec-ed kernel boot.

Tested with QEMU and OVMF firmware.

Fixes: bad267f9e18f ("efi: verify that variable services are supported")
Signed-off-by: Oleksandr Tymoshenko <ovt@google.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
drivers/firmware/efi/efi.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git