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From: Yannik Sembritzki <yannik@sembritzki.me>
To: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
	x86@kernel.org, linux-kernel@vger.kernel.org
Cc: Yannik Sembritzki <yannik@sembritzki.me>
Subject: [PATCH] Fix kexec forbidding kernels signed with custom platform keys to boot
Date: Wed, 15 Aug 2018 12:00:53 +0200	[thread overview]
Message-ID: <20180815100053.13609-1-yannik@sembritzki.me> (raw)

---
 arch/x86/kernel/kexec-bzimage64.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/kexec-bzimage64.c b/arch/x86/kernel/kexec-bzimage64.c
index 7326078e..eaaa125d 100644
--- a/arch/x86/kernel/kexec-bzimage64.c
+++ b/arch/x86/kernel/kexec-bzimage64.c
@@ -532,7 +532,7 @@ static int bzImage64_cleanup(void *loader_data)
 static int bzImage64_verify_sig(const char *kernel, unsigned long kernel_len)
 {
 	return verify_pefile_signature(kernel, kernel_len,
-				       NULL,
+				       (void *)1UL,
 				       VERIFYING_KEXEC_PE_SIGNATURE);
 }
 #endif
-- 
2.17.1

The exact scenario under which this issue occurs is described here:
https://bugzilla.redhat.com/show_bug.cgi?id=1554113


             reply	other threads:[~2018-08-15 10:10 UTC|newest]

Thread overview: 57+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-15 10:00 Yannik Sembritzki [this message]
2018-08-15 16:54 ` [PATCH] Fix kexec forbidding kernels signed with custom platform keys to boot Linus Torvalds
2018-08-15 17:27   ` Yannik Sembritzki
2018-08-15 17:37     ` Yannik Sembritzki
2018-08-15 17:42     ` Vivek Goyal
2018-08-15 18:44       ` Yannik Sembritzki
2018-08-15 18:58       ` Vivek Goyal
2018-08-15 19:06         ` Yannik Sembritzki
2018-08-15 19:49           ` Vivek Goyal
2018-08-15 20:47             ` Linus Torvalds
2018-08-15 20:53               ` James Bottomley
2018-08-15 21:08               ` Yannik Sembritzki
2018-08-15 21:13                 ` James Bottomley
2018-08-15 21:31                   ` Yannik Sembritzki
2018-08-15 21:40                     ` James Bottomley
2018-08-15 21:50                       ` Yannik Sembritzki
2018-08-15 21:57                     ` Vivek Goyal
2018-08-15 22:14                       ` Yannik Sembritzki
2018-08-15 21:52                   ` Vivek Goyal
2018-08-15 21:57                     ` James Bottomley
2018-08-15 21:14                 ` Linus Torvalds
2018-08-16 13:51             ` David Howells
2018-08-16 15:16               ` James Bottomley
2018-08-16 15:42                 ` James Bottomley
2018-08-16 15:49               ` David Howells
2018-08-16 15:56                 ` James Bottomley
2018-08-16 16:56                   ` David Laight
2018-08-16 17:15                     ` James Bottomley
2018-08-16 20:31                 ` David Howells
2018-08-17  0:07                   ` James Bottomley
2018-08-17  8:24                   ` David Howells
2018-08-17 14:58                     ` James Bottomley
2018-08-17 15:42                       ` Justin Forbes
2018-08-17 16:02                         ` James Bottomley
2018-08-16  0:52       ` Dave Young
2018-08-16  0:55         ` Dave Young
2018-08-16 12:13       ` David Howells
2018-08-16 14:22         ` James Bottomley
2018-08-16 14:43         ` David Howells
2018-08-16 14:59           ` James Bottomley
2018-08-17 17:00             ` Alan Cox
2018-08-15 17:45     ` Linus Torvalds
2018-08-15 18:19       ` Yannik Sembritzki
2018-08-15 18:22         ` Linus Torvalds
2018-08-15 19:42           ` [PATCH 0/2] Fix kexec forbidding kernels signed with keys in the secondary keyring " Yannik Sembritzki
2018-08-16 18:02             ` Linus Torvalds
2018-08-15 19:42           ` [PATCH 1/2] " Yannik Sembritzki
2018-08-15 19:42           ` [PATCH 2/2] Replace magic for trusting the secondary keyring with #define Yannik Sembritzki
2018-08-15 21:14             ` kbuild test robot
2018-08-15 21:19               ` [PATCH 2/2] [FIXED] " Yannik Sembritzki
2018-08-15 22:01                 ` Linus Torvalds
2018-08-15 22:07                   ` [PATCH 2/2] [FIXED v2] " Yannik Sembritzki
2018-08-16  1:11                     ` Dave Young
2018-08-16  7:43                       ` Yannik Sembritzki
2018-08-16  8:02                         ` Dave Young
2018-08-16  8:20                           ` Greg Kroah-Hartman
2018-08-16 12:46                       ` Vivek Goyal

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