syzbot


general protection fault in xt_rateest_tg_checkentry
Status: fixed on 2020/02/18 14:31
Reported-by: syzbot+d7358a458d8a81aee898@syzkaller.appspotmail.com
Fix commit: 1b789577f655 netfilter: arp_tables: init netns pointer in xt_tgchk_param struct
First crash: 709d, last: 698d

Cause bisection: introduced by (bisect log) :
commit 3427b2ab63faccafe774ea997fc2da7faf690c5a
Author: Cong Wang <xiyou.wangcong@gmail.com>
Date: Fri Mar 2 02:58:38 2018 +0000

  netfilter: make xt_rateest hash table per net

Crash: general protection fault in xt_rateest_tg_checkentry (log)
Repro: C syz .config
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
general protection fault in nf_ct_netns_do_get C done 7 696d 707d 0/22 closed as dup on 2020/01/07 13:55
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 general protection fault in xt_rateest_tg_checkentry C done 12 693d 709d 1/1 fixed on 2020/02/11 06:56

Sample crash report:

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2020/01/06 07:32 upstream c79f46a28239 438e1227 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2020/01/06 05:30 upstream c79f46a28239 438e1227 .config log report syz C
ci-upstream-kasan-gce 2020/01/06 05:29 upstream c79f46a28239 438e1227 .config log report syz C
ci-upstream-kasan-gce 2019/12/26 19:16 upstream 46cf053efec6 be5c2c81 .config log report syz C
ci-upstream-kasan-gce-root 2019/12/26 17:48 upstream 46cf053efec6 be5c2c81 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/12/26 17:33 upstream 46cf053efec6 be5c2c81 .config log report syz C
ci-upstream-net-this-kasan-gce 2020/01/05 21:07 net b54ef37b1ce8 d646e21f .config log report syz C
ci-upstream-net-this-kasan-gce 2019/12/26 17:48 net 095e90e080a5 be5c2c81 .config log report syz C
ci-upstream-net-kasan-gce 2020/01/05 21:01 net-next 4460985fac06 d646e21f .config log report syz C
ci-upstream-net-kasan-gce 2019/12/26 17:48 net-next 9f6cff995e98 be5c2c81 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2020/01/02 10:29 linux-next 7ddd09fc4b74 25a0186e .config log report syz C
ci-upstream-kasan-gce-selinux-root 2019/12/26 17:16 upstream 46cf053efec6 be5c2c81 .config log report