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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" Hi All > On centos7.9ga, I still hit another crash problem because of use-after-free in > prb_retire_rx_blk_timer_expired(). Since we free it when timer expired, so this Using free is incorrect, should modify as below: Since we still use the freed resource when timer expired Best Regards Yang Xu > case will crash after we print TPASS info. > > Signed-off-by: Yang Xu > --- > testcases/kernel/syscalls/setsockopt/setsockopt09.c | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/testcases/kernel/syscalls/setsockopt/setsockopt09.c b/testcases/kernel/syscalls/setsockopt/setsockopt09.c > index 2fc66ebbc..62c6dea07 100644 > --- a/testcases/kernel/syscalls/setsockopt/setsockopt09.c > +++ b/testcases/kernel/syscalls/setsockopt/setsockopt09.c > @@ -19,6 +19,17 @@ > * > * net/packet: rx_owner_map depends on pg_vec > * > + * It also triggers another use-after-free problem in > + * prb_retire_rx_blk_timer_expired. > + * > + * Kernel crash fixed in: > + * > + * commit c800aaf8d869f2b9b47b10c5c312fe19f0a94042 > + * Author: WANG Cong > + * Date: Mon Jul 24 10:07:32 2017 -0700 > + * > + * packet: fix use-after-free in prb_retire_rx_blk_timer_expired() > + * > */ > > #define _GNU_SOURCE > @@ -110,6 +121,7 @@ static struct tst_test test = { > NULL, > }, > .tags = (const struct tst_tag[]) { > + {"linux-git", "c800aaf8d869"}, > {"linux-git", "ec6af094ea28"}, > {"CVE", "2021-22600"}, > {} -- Mailing list info: https://lists.linux.it/listinfo/ltp