syzbot


BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:LINE/tfrc_rx_hist_sample_rtt()
Status: upstream: reported C repro on 2017/11/05 09:05
Reported-by: syzbot+3ca02e1a9272a28e8959b32039154c5605164653@syzkaller.appspotmail.com
First crash: 1487d, last: 254d

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: no output from test machine (log)
Repro: C syz .config

Fix bisection: failed (bisect log)
duplicates (5):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
BUG: please report to dccp@vger.kernel.org => prev = 2, last = 2 at net/dccp/ccids/lib/packet_history.c:LINE/tfrc_rx_his 1 1061d 1061d 0/22 closed as dup on 2019/02/27 00:42
BUG: please report to dccp@vger.kernel.org => prev = 10, last = 10 at net/dccp/ccids/lib/packet_history.c:LINE/tfrc_rx_h 1 1007d 1003d 0/22 closed as dup on 2019/02/27 00:42
BUG: please report to dccp@vger.kernel.org => prev = NUM, last = NUM at net/dccp/ccids/lib/packet_history.c:LINE/tfrc_rx syz unreliable 3 23d 23d 0/22 closed as dup on 2021/08/30 08:50
BUG: please report to dccp@vger.kernel.org => prev = 0, last = 0 at net/dccp/ccids/lib/packet_history.c:LINE/tfrc_rx_his C 7456 43d 1231d 0/22 closed as dup on 2018/05/09 05:39
BUG: please report to dccp@vger.kernel.org => prev = 5, last = 5 at net/dccp/ccids/lib/packet_history.c:LINE/tfrc_rx_his 2 80d 1072d 0/22 closed as dup on 2019/02/27 00:44

Sample crash report:

Crashes (281):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2018/01/18 09:52 upstream 1d966eb4d632 56cc113a .config log report syz C
ci-upstream-net-kasan-gce 2018/01/18 09:53 net-next 4f7d58517f46 56cc113a .config log report syz C
ci-upstream-mmots-kasan-gce 2018/01/18 09:52 mmots ce3c209f6733 56cc113a .config log report syz C
ci-upstream-next-kasan-gce 2018/01/18 09:33 linux-next a362f6d2cdbd 56cc113a .config log report syz C
ci-upstream-kasan-gce 2017/12/06 21:39 upstream e56d565d67ae 5d643f8e .config log report syz
ci-upstream-mmots-kasan-gce 2017/12/09 23:01 mmots 82bcf1def3b5 5ad0ce95 .config log report syz
ci-upstream-next-kasan-gce 2017/12/07 19:36 linux-next e40fd8d6b4d9 5d643f8e .config log report syz
ci-upstream-kasan-gce-root 2018/04/04 00:22 upstream f2d285669aae 676bd07e .config log report
ci-upstream-kasan-gce-root 2018/04/03 15:22 upstream 642e7fd23353 676bd07e .config log report
ci-upstream-kasan-gce 2018/03/03 09:25 upstream 0573fed92b67 2c6f473e .config log report
ci-upstream-kasan-gce-386 2018/01/27 09:47 upstream c4e0ca7fa241 1d18b112 .config log report
ci-upstream-net-kasan-gce 2018/04/13 06:16 net-next 17dec0a94915 eb2295de .config log report
ci-upstream-net-kasan-gce 2018/04/13 02:05 net-next 17dec0a94915 eb2295de .config log report
ci-upstream-net-kasan-gce 2018/04/11 13:55 net-next 17dec0a94915 8b8de427 .config log report
ci-upstream-net-kasan-gce 2018/04/11 07:52 net-next 17dec0a94915 8b8de427 .config log report
ci-upstream-net-kasan-gce 2018/04/11 02:20 net-next 17dec0a94915 8b8de427 .config log report
ci-upstream-net-kasan-gce 2018/04/10 20:14 net-next 17dec0a94915 8b8de427 .config log report
ci-upstream-net-kasan-gce 2018/04/10 07:01 net-next 17dec0a94915 b9f65507 .config log report
ci-upstream-net-kasan-gce 2018/04/09 13:36 net-next 17dec0a94915 f13fb445 .config log report
ci-upstream-net-kasan-gce 2018/04/09 04:38 net-next 17dec0a94915 77bd5117 .config log report
ci-upstream-net-kasan-gce 2018/04/08 23:06 net-next 17dec0a94915 77bd5117 .config log report
ci-upstream-net-kasan-gce 2018/04/08 16:28 net-next 17dec0a94915 77bd5117 .config log report
ci-upstream-net-kasan-gce 2018/04/08 01:40 net-next 17dec0a94915 66f22a7f .config log report
ci-upstream-net-kasan-gce 2018/04/05 11:54 net-next 17dec0a94915 5e1ccffc .config log report
ci-upstream-net-kasan-gce 2018/04/05 07:35 net-next 17dec0a94915 676bd07e .config log report
ci-upstream-net-kasan-gce 2018/04/04 22:02 net-next 17dec0a94915 676bd07e .config log report
ci-upstream-net-kasan-gce 2018/04/04 06:04 net-next 4608f064532c 676bd07e .config log report
ci-upstream-net-kasan-gce 2018/04/04 02:34 net-next 4608f064532c 676bd07e .config log report
ci-upstream-net-kasan-gce 2018/04/03 02:29 net-next 159f02977b2f 676bd07e .config log report
ci-upstream-net-kasan-gce 2018/04/02 14:38 net-next 28e9c1d530b4 dc889257 .config log report
ci-upstream-net-kasan-gce 2018/03/23 09:40 net-next 6686c459e144 2e9d9054 .config log report
ci-upstream-net-kasan-gce 2018/03/20 10:13 net-next c314c7ba4038 7e7d7ed2 .config log report
ci-upstream-net-kasan-gce 2018/03/17 23:18 net-next d7cb44496a9b 08dacaa0 .config log report
ci-upstream-net-kasan-gce 2018/03/15 01:10 net-next a870a02cc963 08dacaa0 .config log report
ci-upstream-net-kasan-gce 2018/03/14 08:55 net-next be9fc0971a5c 08dacaa0 .config log report
ci-upstream-net-kasan-gce 2018/03/10 20:45 net-next f44b1886a5f8 36d1c454 .config log report
ci-upstream-net-kasan-gce 2018/03/07 21:16 net-next 30855ffc29b9 a5e76540 .config log report
ci-upstream-net-kasan-gce 2018/02/28 01:55 net-next 3f5a68300a40 05b5a32c .config log report
ci-upstream-net-kasan-gce 2018/02/18 11:22 net-next 1ec010e70593 833f78c7 .config log report
ci-upstream-net-kasan-gce 2018/02/16 12:30 net-next 35ed663f5f4f c8b3f7c1 .config log report
ci-upstream-net-kasan-gce 2018/02/14 08:51 net-next 77079683617b 88bc17df .config log report
ci-upstream-net-kasan-gce 2018/02/11 11:12 net-next 9a61df9e5f74 4e9b726d .config log report
ci-upstream-net-kasan-gce 2018/02/11 05:45 net-next 9a61df9e5f74 4e9b726d .config log report
ci-upstream-net-kasan-gce 2018/02/11 04:19 net-next 9a61df9e5f74 4e9b726d .config log report
ci-upstream-net-kasan-gce 2018/02/11 01:05 net-next 9a61df9e5f74 4e9b726d .config log report
ci-upstream-net-kasan-gce 2018/02/09 22:46 net-next 617aebe6a97e 2b6b214c .config log report
ci-upstream-net-kasan-gce 2018/02/09 13:10 net-next 617aebe6a97e 9fb5ec43 .config log report