syzbot


INFO: task hung in aead_recvmsg
Status: fixed on 2020/02/18 14:31
Reported-by: syzbot+56c7151cad94eec37c521f0e47d2eee53f9361c4@syzkaller.appspotmail.com
Fix commit: bbefa1dd6a6d crypto: pcrypt - Avoid deadlock by using per-instance padata queues
First crash: 1464d, last: 681d

Cause bisection: introduced by (bisect log) :
commit 0c1e16cd1ec41987cc6671a2bff46ac958c41eb5
Author: Stephan Mueller <smueller@chronox.de>
Date: Mon Dec 5 14:26:19 2016 +0000

  crypto: algif_aead - fix AEAD tag memory handling

Crash: KASAN: slab-out-of-bounds Read in aead_recvmsg (log)
Repro: C syz .config
duplicates (6):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
INFO: task hung in lock_sock_nested C 2593 655d 1455d 0/22 closed as dup on 2017/12/23 20:15
INFO: task hung in tls_sw_free_resources_tx C done 109 864d 1096d 0/22 closed as dup on 2019/08/19 21:16
INFO: task hung in cancel_delayed_work_sync C done 166 776d 810d 0/22 closed as dup on 2019/09/19 05:15
INFO: task hung in tls_sw_sendmsg 18 812d 999d 0/22 closed as dup on 2019/08/19 21:10
INFO: task hung in tls_sw_release_resources_tx C done 20 682d 842d 0/22 closed as dup on 2019/08/17 05:47
INFO: task hung in exit_aio C 17519 840d 1455d 0/22 closed as dup on 2018/04/08 22:50
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 INFO: task hung in aead_recvmsg C error 7 62d 956d 0/1 upstream: reported C repro on 2019/04/23 11:09
linux-4.14 INFO: task hung in aead_recvmsg C inconclusive 3 238d 958d 0/1 upstream: reported C repro on 2019/04/21 21:05

Sample crash report:

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2019/12/11 10:23 upstream 6794862a16ef 505ab413 .config log report syz C
Crashes (11991):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2019/04/16 14:28 upstream 618d919cae2f 505ab413 .config log report syz C
ci-upstream-kasan-gce 2018/07/21 14:42 upstream 48e5aee81f32 8cc079c3 .config log report syz C
ci-upstream-net-this-kasan-gce 2019/04/16 18:47 net 614c70f35cd7 505ab413 .config log report syz C
ci-upstream-net-this-kasan-gce 2018/07/21 14:31 net fcf4793e278e 8cc079c3 .config log report syz C
ci-upstream-net-kasan-gce 2019/04/16 10:14 net-next 47a1a225ab35 505ab413 .config log report syz C
ci-upstream-net-kasan-gce 2018/07/21 12:36 net-next 99d20a461c43 8cc079c3 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2019/04/16 12:49 linux-next de3c659c83ce 505ab413 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/07/22 11:32 linux-next 89cf55353308 8cc079c3 .config log report syz C
ci-upstream-kasan-gce 2020/01/23 05:35 upstream dbab40bdb42c 3334d684 .config log report
ci-upstream-kasan-gce 2019/09/07 23:45 upstream 1e3778cb223e a60cb4cd .config log report
ci-upstream-kasan-gce 2019/08/30 19:52 upstream 6525771f58cb fd37b39e .config log report
ci-upstream-kasan-gce-smack-root 2019/02/27 08:53 upstream 7d762d69145a f2468c12 .config log report
ci-upstream-kasan-gce-386 2018/09/05 09:16 upstream 28619527b8a7 a4718693 .config log report
ci-upstream-net-this-kasan-gce 2019/09/04 11:27 net e33b4325e60e 12381952 .config log report
ci-upstream-net-this-kasan-gce 2019/09/03 03:57 net e1e54ec7fb55 14544a56 .config log report
ci-upstream-net-this-kasan-gce 2019/08/30 22:36 net 9e8312f5e160 fd37b39e .config log report
ci-upstream-net-this-kasan-gce 2019/08/29 06:33 net 9e8312f5e160 fd37b39e .config log report
ci-upstream-net-this-kasan-gce 2019/08/28 08:59 net 9e8312f5e160 fd37b39e .config log report
ci-upstream-net-this-kasan-gce 2019/08/27 14:24 net f53a7ad18959 d21c5d9d .config log report
ci-upstream-net-this-kasan-gce 2019/08/26 15:09 net f53a7ad18959 d21c5d9d .config log report
ci-upstream-net-this-kasan-gce 2019/08/16 10:18 net 2aafdf5a5786 8fd428a1 .config log report
ci-upstream-net-this-kasan-gce 2019/08/13 23:31 net bb0ce4c1517d ef801a3e .config log report
ci-upstream-net-this-kasan-gce 2019/08/12 19:36 net 125b7e0949d4 acb51638 .config log report
ci-upstream-net-this-kasan-gce 2019/08/06 02:22 net 107e47cc80ec 6affd8e8 .config log report
ci-upstream-net-this-kasan-gce 2019/08/02 19:54 net 107e47cc80ec 835dffe7 .config log report
ci-upstream-net-this-kasan-gce 2019/07/24 06:06 net 107e47cc80ec de453f34 .config log report
ci-upstream-net-this-kasan-gce 2019/07/23 08:26 net 107e47cc80ec 55e0c077 .config log report
ci-upstream-net-kasan-gce 2019/09/20 18:33 net-next b41dae061bbd d96e88f3 .config log report
ci-upstream-net-kasan-gce 2019/08/22 10:14 net-next 4f830a5af7b5 984250d5 .config log report
ci-upstream-net-kasan-gce 2019/08/17 20:33 net-next a4d2113e46c1 55bf8926 .config log report
ci-upstream-net-kasan-gce 2019/08/17 11:06 net-next 13b18f1d281b 8fd428a1 .config log report
ci-upstream-net-kasan-gce 2019/08/16 08:13 net-next 459c5fb44379 8fd428a1 .config log report
ci-upstream-net-kasan-gce 2019/08/15 14:52 net-next ecb9f80db23a 0d298d6b .config log report
ci-upstream-net-kasan-gce 2019/08/13 11:33 net-next 53f6f391786e 8620c2c2 .config log report
ci-upstream-net-kasan-gce 2019/08/13 06:11 net-next 53f6f391786e 8620c2c2 .config log report
ci-upstream-net-kasan-gce 2019/08/12 08:42 net-next 6e5ee483397a acb51638 .config log report
ci-upstream-net-kasan-gce 2019/08/12 01:22 net-next 2cc2743d8fee acb51638 .config log report
ci-upstream-net-kasan-gce 2019/08/07 15:32 net-next 13dfb3fa4943 cdde7486 .config log report
ci-upstream-net-kasan-gce 2019/08/05 17:11 net-next 31cc088a4f5d 6affd8e8 .config log report
ci-upstream-net-kasan-gce 2019/08/04 07:49 net-next 31cc088a4f5d 6affd8e8 .config log report
ci-upstream-net-kasan-gce 2019/08/03 17:48 net-next 31cc088a4f5d 6affd8e8 .config log report
ci-upstream-net-kasan-gce 2019/08/03 05:58 net-next 31cc088a4f5d 6affd8e8 .config log report
ci-upstream-net-kasan-gce 2019/08/02 17:12 net-next 31cc088a4f5d 835dffe7 .config log report
ci-upstream-net-kasan-gce 2019/08/02 14:52 net-next 31cc088a4f5d 835dffe7 .config log report
ci-upstream-net-kasan-gce 2019/07/30 20:59 net-next 31cc088a4f5d f28bf2a5 .config log report
ci-upstream-net-kasan-gce 2019/07/29 05:05 net-next 31cc088a4f5d c85e1c5b .config log report
ci-upstream-net-kasan-gce 2019/07/28 18:38 net-next 31cc088a4f5d c85e1c5b .config log report
ci-upstream-net-kasan-gce 2019/07/25 16:29 net-next 31cc088a4f5d 32329ceb .config log report
ci-upstream-net-kasan-gce 2019/07/24 02:07 net-next 31cc088a4f5d de453f34 .config log report
ci-upstream-net-kasan-gce 2019/07/21 01:19 net-next 31cc088a4f5d 1656845f .config log report
ci-upstream-net-kasan-gce 2019/06/30 17:03 net-next f072218cca5b 7509bf36 .config log report
ci-upstream-net-kasan-gce 2019/06/30 10:24 net-next f072218cca5b 7509bf36 .config log report
ci-upstream-net-kasan-gce 2019/06/29 09:41 net-next ee7dd7733b20 7509bf36 .config log report