Re: [syzbot] [block?] KASAN: slab-out-of-bounds Read in bio_split_rw

syzbot
2023-07-08T17:53:37Z

syzbot has bisected this issue to:

commit b6d972f6898308fbe7e693bf8d44ebfdb1cd2dc4
Author: David Howells <dhowells@redhat.com>
Date: Fri Jun 16 11:10:32 2023 +0000

crypto: af_alg/hash: Fix recvmsg() after sendmsg(MSG_MORE)

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15763ae8a80000
start commit: 3674fbf0451d Merge git://git.kernel.org/pub/scm/linux/kern..
git tree: net
final oops: https://syzkaller.appspot.com/x/report.txt?x=17763ae8a80000
console output: https://syzkaller.appspot.com/x/log.txt?x=13763ae8a80000
kernel config: https://syzkaller.appspot.com/x/.config?x=c9bf1936936ca698
dashboard link: https://syzkaller.appspot.com/bug?extid=6f66f3e78821b0fff882
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16223cb8a80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13f13920a80000

Reported-by: syzbot+6f66f3e78821b0fff882@syzkaller.appspotmail.com
Fixes: b6d972f68983 ("crypto: af_alg/hash: Fix recvmsg() after sendmsg(MSG_MORE)")

For information about bisection process see: https://goo.gl/tpsmEJ#bisection