From: Jason Gunthorpe <jgg@mellanox.com>
To: "Håkon Bugge" <haakon.bugge@oracle.com>,
syzbot+69226cc89d87fd4f8f40@syzkaller.appspotmail.com
Cc: Doug Ledford <dledford@redhat.com>,
linux-rdma@vger.kernel.org, george.kennedy@oracle.com
Subject: Re: [PATCH for-rc] RDMA/cma: fix race between addr_handler and resolve_route
Date: Fri, 3 Apr 2020 15:57:07 -0300 [thread overview]
Message-ID: <20200403185707.GE8514@mellanox.com> (raw)
In-Reply-To: <20200403184328.1154929-1-haakon.bugge@oracle.com>
On Fri, Apr 03, 2020 at 08:43:28PM +0200, Håkon Bugge wrote:
> A syzkaller test hits a NULL pointer dereference in
> rdma_resolve_route():
#syz test: git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma.git for-next
This commit in 5.7 probably fixes this:
commit 7c11910783a1ea17e88777552ef146cace607b3c
Author: Jason Gunthorpe <jgg@ziepe.ca>
Date: Tue Feb 18 15:45:38 2020 -0400
RDMA/ucma: Put a lock around every call to the rdma_cm layer
Lets find out.
Jason
next prev parent reply other threads:[~2020-04-03 18:57 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-03 18:43 [PATCH for-rc] RDMA/cma: fix race between addr_handler and resolve_route Håkon Bugge
2020-04-03 18:57 ` Jason Gunthorpe [this message]
2020-04-03 19:07 ` Håkon Bugge
2020-04-03 19:36 ` Jason Gunthorpe
2020-04-06 17:00 ` Håkon Bugge
2020-04-06 17:31 ` Jason Gunthorpe
2020-04-06 18:02 ` Håkon Bugge
2020-04-06 18:10 ` Jason Gunthorpe
2020-04-14 10:34 ` Håkon Bugge
2020-04-14 12:50 ` Jason Gunthorpe
2020-04-14 13:57 ` Håkon Bugge
2020-04-14 16:11 ` Jason Gunthorpe
2020-04-16 13:33 ` Håkon Bugge
2020-04-16 18:55 ` Jason Gunthorpe
2021-04-28 6:03 ` general protection fault in rdma_resolve_route syzbot
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