lkml.org 
[lkml]   [2006]   [Apr]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[patch 3/13] s390: bug in setup_rt_frame.
From: Heiko Carstens <heiko.carstens@de.ibm.com>

[patch 3/13] s390: bug in setup_rt_frame.

Consider return value of __put_user() when setting up a signal
frame instead of ignoring it.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

arch/s390/kernel/signal.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)

diff -urpN linux-2.6/arch/s390/kernel/signal.c linux-2.6-patched/arch/s390/kernel/signal.c
--- linux-2.6/arch/s390/kernel/signal.c 2006-03-20 06:53:29.000000000 +0100
+++ linux-2.6-patched/arch/s390/kernel/signal.c 2006-04-24 16:47:20.000000000 +0200
@@ -358,8 +358,9 @@ static int setup_rt_frame(int sig, struc
} else {
regs->gprs[14] = (unsigned long)
frame->retcode | PSW_ADDR_AMODE;
- err |= __put_user(S390_SYSCALL_OPCODE | __NR_rt_sigreturn,
- (u16 __user *)(frame->retcode));
+ if (__put_user(S390_SYSCALL_OPCODE | __NR_sigreturn,
+ (u16 __user *)(frame->retcode)))
+ goto give_sigsegv;
}

/* Set up backchain. */
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2006-04-24 17:06    [W:0.034 / U:0.180 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site