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https://github.com/torvalds/linux
23 October 2021, 00:29:24 UTC
Revision 8f659a03a0ba9289b9aeb9b4470e6fb263d6f483 authored by Mohamed Ghannam on 10 December 2017, 03:50:58 UTC, committed by David S. Miller on 11 December 2017, 19:05:31 UTC 
net: ipv4: fix for a race condition in raw_sendmsg
 
inet->hdrincl is racy, and could lead to uninitialized stack pointer
usage, so its value should be read only once.

Fixes: c008ba5bdc9f ("ipv4: Avoid reading user iov twice after raw_probe_proto_opt")
Signed-off-by: Mohamed Ghannam <simo.ghannam@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent 93c6476
History
Tip revision: 8f659a03a0ba9289b9aeb9b4470e6fb263d6f483 authored by Mohamed Ghannam on 10 December 2017, 03:50:58 UTC
net: ipv4: fix for a race condition in raw_sendmsg
Tip revision: 8f659a0
File Mode Size
Kconfig -rw-r--r-- 803 bytes
Makefile -rw-r--r-- 263 bytes
crypto.c -rw-r--r-- 61.6 KB
debug.c -rw-r--r-- 3.8 KB
dentry.c -rw-r--r-- 2.6 KB
ecryptfs_kernel.h -rw-r--r-- 25.2 KB
file.c -rw-r--r-- 11.5 KB
inode.c -rw-r--r-- 32.1 KB
keystore.c -rw-r--r-- 79.3 KB
kthread.c -rw-r--r-- 4.9 KB
main.c -rw-r--r-- 25.3 KB
messaging.c -rw-r--r-- 13.5 KB
miscdev.c -rw-r--r-- 14.6 KB
mmap.c -rw-r--r-- 15.7 KB
read_write.c -rw-r--r-- 8.5 KB
super.c -rw-r--r-- 6.1 KB
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