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https://github.com/torvalds/linux
13 June 2022, 11:31:42 UTC
Revision 7311d665ca68907b9c43d6d1021f816f9a7bbd57 authored by Ursula Braun on 08 August 2018, 12:13:21 UTC, committed by David S. Miller on 09 August 2018, 02:14:22 UTC 
net/smc: move sock lock in smc_ioctl()
 
When an SMC socket is connecting it is decided whether fallback to
TCP is needed. To avoid races between connect and ioctl move the
sock lock before the use_fallback check.

Reported-by: syzbot+5b2cece1a8ecb2ca77d8@syzkaller.appspotmail.com
Reported-by: syzbot+19557374321ca3710990@syzkaller.appspotmail.com
Fixes: 1992d99882af ("net/smc: take sock lock in smc_ioctl()")
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent bd58c7e
History
Tip revision: 7311d665ca68907b9c43d6d1021f816f9a7bbd57 authored by Ursula Braun on 08 August 2018, 12:13:21 UTC
net/smc: move sock lock in smc_ioctl()
Tip revision: 7311d66
File Mode Size
Makefile -rw-r--r-- 361 bytes
compat.c -rw-r--r-- 2.2 KB
ipc_sysctl.c -rw-r--r-- 5.4 KB
mq_sysctl.c -rw-r--r-- 2.9 KB
mqueue.c -rw-r--r-- 39.0 KB
msg.c -rw-r--r-- 29.7 KB
msgutil.c -rw-r--r-- 3.6 KB
namespace.c -rw-r--r-- 4.8 KB
sem.c -rw-r--r-- 61.3 KB
shm.c -rw-r--r-- 41.9 KB
syscall.c -rw-r--r-- 4.7 KB
util.c -rw-r--r-- 22.6 KB
util.h -rw-r--r-- 8.9 KB
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