syzbot


general protection fault in tcp_splice_read
Status: fixed on 2019/11/09 22:22
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 07603b230895 net/smc: propagate file from SMC to TCP socket
First crash: 1084d, last: 974d

Cause bisection: introduced by (bisect log) :
commit 5692dbb56e6012c0755614ee64fe4c221f357e7a
Author: Simon Horman <simon.horman@netronome.com>
Date: Wed Mar 8 16:57:08 2017 +0000

  nfp: prevent theoretical buffer overrun in nfp_eth_read_ports

Crash: KASAN: use-after-free Write in ida_get_new_above (log)
Repro: C syz .config

Fix bisection: fixed by (bisect log) :
commit 07603b230895a74ebb1e2a1231ac45c29c2a8cd3
Author: Ursula Braun <ubraun@linux.ibm.com>
Date: Thu Apr 11 09:17:32 2019 +0000

  net/smc: propagate file from SMC to TCP socket

similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 general protection fault in tcp_splice_read C error 10 73d 748d 0/1 upstream: reported C repro on 2019/11/20 18:48
linux-4.14 general protection fault in tcp_splice_read C 167 19d 499d 0/1 upstream: reported C repro on 2020/07/26 21:05

Sample crash report:

Crashes (23):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2018/12/21 15:17 upstream 9097a058d49e 588075e6 .config log report syz C
ci-upstream-kasan-gce-smack-root 2018/12/20 20:35 upstream 1d51b4b1d3f2 aaf59e84 .config log report syz C
ci-upstream-kasan-gce-root 2018/12/20 19:58 upstream 1d51b4b1d3f2 aaf59e84 .config log report syz C
ci-upstream-kasan-gce 2018/12/20 19:28 upstream 1d51b4b1d3f2 aaf59e84 .config log report syz C
ci-upstream-kasan-gce-386 2018/12/20 20:20 upstream 1d51b4b1d3f2 aaf59e84 .config log report syz C
ci-upstream-net-this-kasan-gce 2018/12/20 17:21 net d84e7bc0595a aaf59e84 .config log report syz C
ci-upstream-net-kasan-gce 2018/12/21 03:46 net-next 962ad710f7d6 2b497001 .config log report syz C
ci-upstream-linux-next-kasan-gce-root 2018/12/26 13:56 linux-next 6a1d293238c1 8a41a0ad .config log report syz C
ci-upstream-kasan-gce 2019/04/08 05:19 upstream 3b0468914708 c34fde03 .config log report
ci-upstream-kasan-gce-smack-root 2019/04/02 16:50 upstream 5e7a8ca31926 dfd3394d .config log report
ci-upstream-kasan-gce 2019/03/21 01:57 upstream babf09c3837f a664c187 .config log report
ci-upstream-kasan-gce-selinux-root 2019/01/23 06:58 upstream 787a3b432276 b1ff06b2 .config log report
ci-upstream-net-this-kasan-gce 2019/04/06 11:57 net 7f46774c6480 c34fde03 .config log report
ci-upstream-net-this-kasan-gce 2019/03/10 20:17 net 69b51bbb03f7 12365b99 .config log report
ci-upstream-net-this-kasan-gce 2019/01/31 15:39 net 3aa9179b2dfe 0e8ea0a3 .config log report
ci-upstream-net-this-kasan-gce 2019/01/19 10:06 net 8a7fa0c35027 2103a236 .config log report
ci-upstream-net-this-kasan-gce 2019/01/06 05:57 net d4a7e9bb74b5 53be0a37 .config log report
ci-upstream-net-this-kasan-gce 2018/12/20 16:05 net d84e7bc0595a aaf59e84 .config log report
ci-upstream-net-kasan-gce 2019/03/23 02:32 net-next 1d965c4def07 3361bde5 .config log report
ci-upstream-net-kasan-gce 2019/03/15 02:42 net-next 3b319ee220a8 d72db19b .config log report
ci-upstream-net-kasan-gce 2019/02/04 03:33 net-next 9fb20801dab4 c198d5dd .config log report
ci-upstream-net-kasan-gce 2019/01/17 22:57 net-next 44543f1dd2a3 769e75ed .config log report
ci-upstream-linux-next-kasan-gce-root 2019/04/09 01:34 linux-next ac5b84a1ffe9 0dfb0452 .config log report