syzbot


KMSAN: uninit-value in ip_tunnel_xmit (2)
Status: fixed on 2020/11/16 12:12
Reported-by: syzbot+4a2c52677a8a1aa283cb@syzkaller.appspotmail.com
Fix commit: fdafed459998 ip_gre: set dev->hard_header_len and dev->needed_headroom properly
First crash: 1236d, last: 387d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KMSAN: uninit-value in ip_tunnel_xmit C 2594 1236d 1323d 9/22 fixed on 2018/07/17 16:09
Patch testing requests:
Created Duration User Patch Repo Result
2020/10/10 23:09 21m xiyou.wangcong@gmail.com patch https://github.com/google/kmsan.git master OK
2020/10/07 21:22 21m xiyou.wangcong@gmail.com patch https://github.com/google/kmsan.git master OK

Sample crash report:

Crashes (11778):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kmsan-gce 2020/09/06 19:28 https://github.com/google/kmsan.git master 3b3ea6028136 abf9ba4f .config log report syz C
ci-upstream-kmsan-gce 2020/03/11 11:17 https://github.com/google/kmsan.git master 8bbbc5cf3dca 35f53e45 .config log report syz C
ci-upstream-kmsan-gce 2020/03/09 18:14 https://github.com/google/kmsan.git master 8bbbc5cf3dca 2e9971bb .config log report syz C
ci-upstream-kmsan-gce 2020/02/28 05:41 https://github.com/google/kmsan.git master 8bbbc5cf3dca 59b57593 .config log report syz C
ci-upstream-kmsan-gce 2020/02/15 17:06 https://github.com/google/kmsan.git master 686a4f77cb0c 5d7b90f1 .config log report syz C
ci-upstream-kmsan-gce 2020/02/14 05:04 https://github.com/google/kmsan.git master 686a4f77cb0c c5ed587f .config log report syz C
ci-upstream-kmsan-gce 2020/02/12 20:14 https://github.com/google/kmsan.git master 686a4f77cb0c 84f4fc8a .config log report syz C
ci-upstream-kmsan-gce 2020/01/26 23:54 https://github.com/google/kmsan.git master 686a4f77cb0c dd56146d .config log report syz C
ci-upstream-kmsan-gce 2020/01/26 22:40 https://github.com/google/kmsan.git master 686a4f77cb0c dd56146d .config log report syz C
ci-upstream-kmsan-gce 2020/01/26 03:07 https://github.com/google/kmsan.git master 686a4f77cb0c f4e7270e .config log report syz C
ci-upstream-kmsan-gce 2020/01/17 17:34 https://github.com/google/kmsan.git master 686a4f77cb0c 3de7aabb .config log report syz C
ci-upstream-kmsan-gce 2019/12/06 13:42 https://github.com/google/kmsan.git master f8f75f037ea5 98b4ef2d .config log report syz C
ci-upstream-kmsan-gce 2019/12/04 20:53 https://github.com/google/kmsan.git master 141b13f7780f b2088328 .config log report syz C
ci-upstream-kmsan-gce 2019/12/04 18:37 https://github.com/google/kmsan.git master 141b13f7780f b2088328 .config log report syz C
ci-upstream-kmsan-gce 2019/12/03 06:31 https://github.com/google/kmsan.git master 940694c19feb ab342da3 .config log report syz C
ci-upstream-kmsan-gce 2019/12/03 06:25 https://github.com/google/kmsan.git master 940694c19feb ab342da3 .config log report syz C
ci-upstream-kmsan-gce 2019/12/02 09:19 https://github.com/google/kmsan.git master e2027b2c33b7 f879db37 .config log report syz C
ci-upstream-kmsan-gce 2019/12/02 04:16 https://github.com/google/kmsan.git master e2027b2c33b7 f879db37 .config log report syz C
ci-upstream-kmsan-gce 2019/11/30 07:44 https://github.com/google/kmsan.git master e2027b2c33b7 3a75be00 .config log report syz C
ci-upstream-kmsan-gce 2019/11/29 04:52 https://github.com/google/kmsan.git master e2027b2c33b7 76357d6f .config log report syz C
ci-upstream-kmsan-gce 2019/11/28 14:27 https://github.com/google/kmsan.git master aef8527c93a9 46869e3e .config log report syz C
ci-upstream-kmsan-gce 2019/11/28 04:31 https://github.com/google/kmsan.git master c543ab669ab8 0d63f89c .config log report syz C
ci-upstream-kmsan-gce 2019/11/26 21:17 https://github.com/google/kmsan.git master df335139222b 1048481f .config log report syz C
ci-upstream-kmsan-gce 2019/11/26 03:46 https://github.com/google/kmsan.git master 4a1d41e39c62 f746151a .config log report syz C
ci-upstream-kmsan-gce 2019/11/23 22:45 https://github.com/google/kmsan.git master 4a1d41e39c62 598ca6c8 .config log report syz C
ci-upstream-kmsan-gce 2019/11/23 18:21 https://github.com/google/kmsan.git master 4a1d41e39c62 598ca6c8 .config log report syz C
ci-upstream-kmsan-gce 2019/11/23 10:38 https://github.com/google/kmsan.git master 4a1d41e39c62 598ca6c8 .config log report syz C
ci-upstream-kmsan-gce 2019/11/22 18:24 https://github.com/google/kmsan.git master b7a871998d3e 598ca6c8 .config log report syz C
ci-upstream-kmsan-gce 2019/11/13 21:55 https://github.com/google/kmsan.git master 9c6a71628ab9 048f2d49 .config log report syz C
ci-upstream-kmsan-gce 2019/11/12 16:56 https://github.com/google/kmsan.git master e741088f2efa 048f2d49 .config log report syz C
ci-upstream-kmsan-gce 2019/11/08 00:21 https://github.com/google/kmsan.git master e741088f2efa f39aff9e .config log report syz C
ci-upstream-kmsan-gce 2019/11/06 11:32 https://github.com/google/kmsan.git master c235b34ba03a bc2c6e45 .config log report syz C
ci-upstream-kmsan-gce 2019/11/03 20:29 https://github.com/google/kmsan.git master 6f88939b3fa3 c9610487 .config log report syz C
ci-upstream-kmsan-gce 2019/11/03 19:10 https://github.com/google/kmsan.git master 6f88939b3fa3 c9610487 .config log report syz C
ci-upstream-kmsan-gce 2019/10/31 04:00 https://github.com/google/kmsan.git master 6f88939b3fa3 a41ca8fa .config log report syz C
ci-upstream-kmsan-gce 2019/10/28 22:22 https://github.com/google/kmsan.git master 96c6c3194b1b 439d7b14 .config log report syz C
ci-upstream-kmsan-gce 2019/10/25 18:52 https://github.com/google/kmsan.git master d86c15562d02 c2e837da .config log report syz C
ci-upstream-kmsan-gce 2019/10/25 05:49 https://github.com/google/kmsan.git master d86c15562d02 d01bb02a .config log report syz C
ci-upstream-kmsan-gce 2018/07/17 18:19 https://github.com/google/kmsan.git master 80ecacc456c1 6d5bd5b5 .config log report syz C
ci-upstream-kmsan-gce-386 2020/03/29 22:04 https://github.com/google/kmsan.git master 75303409203b 05736b29 .config log report syz C
ci-upstream-kmsan-gce-386 2020/03/28 06:23 https://github.com/google/kmsan.git master 75303409203b 831e9a81 .config log report syz C
ci-upstream-kmsan-gce 2020/10/21 08:13 https://github.com/google/kmsan.git master e16174226146 ff4a3345 .config log report info
ci-upstream-kmsan-gce 2018/07/17 17:51 https://github.com/google/kmsan.git master 80ecacc456c1 6d5bd5b5 .config log report
ci-upstream-kmsan-gce-386 2020/11/12 10:30 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/12 07:31 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/12 04:55 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/12 02:44 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/12 01:31 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/11 23:46 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/11 22:04 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/11 20:26 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/11 16:26 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/11 16:25 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/11 14:15 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/11 12:09 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/11 11:06 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/11 08:57 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/11 07:32 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/11 05:44 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/11 03:13 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/10 19:56 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/10 17:37 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/10 17:36 https://github.com/google/kmsan.git master e16174226146 cca87986 .config log report info
ci-upstream-kmsan-gce-386 2020/11/10 06:44 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/10 05:03 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/09 23:42 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/09 22:15 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/09 18:27 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/09 12:52 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/09 11:08 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/09 06:43 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/09 05:55 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/09 03:47 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/09 02:11 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/09 00:00 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/08 22:39 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/08 16:32 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/08 10:52 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/08 08:05 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/08 05:25 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/08 05:07 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/08 00:49 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/07 22:59 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/07 21:53 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/07 18:50 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/07 17:47 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/07 16:02 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/07 13:01 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/07 10:51 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/07 09:30 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/07 06:37 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info
ci-upstream-kmsan-gce-386 2020/11/06 23:02 https://github.com/google/kmsan.git master e16174226146 64069d48 .config log report info