syzbot


possible deadlock in tty_port_close_start
Status: upstream: reported C repro on 2020/02/13 04:57
Reported-by: syzbot+044000e5acdb5e1d5eed@syzkaller.appspotmail.com
First crash: 539d, last: 103d

Cause bisection: the cause commit could be any of (bisect log):
  9211bfbff80a netfilter: add missing IS_ENABLED(CONFIG_BRIDGE_NETFILTER) checks to header-file.
  47e640af2e49 netfilter: add missing IS_ENABLED(CONFIG_NF_TABLES) check to header-file.
  a1b2f04ea527 netfilter: add missing includes to a number of header-files.
  0abc8bf4f284 netfilter: add missing IS_ENABLED(CONFIG_NF_CONNTRACK) checks to some header-files.
  bd96b4c75675 netfilter: inline four headers files into another one.
  43dd16efc7f2 netfilter: nf_tables: store data in offload context registers
  78458e3e08cd netfilter: add missing IS_ENABLED(CONFIG_NETFILTER) checks to some header-files.
  20a9379d9a03 netfilter: remove "#ifdef __KERNEL__" guards from some headers.
  bd8699e9e292 netfilter: nft_bitwise: add offload support
  2a475c409fe8 kbuild: remove all netfilter headers from header-test blacklist.
  7e59b3fea2a2 netfilter: remove unnecessary spaces
  1b90af292e71 ipvs: Improve robustness to the ipvs sysctl
  5785cf15fd74 netfilter: nf_tables: add missing prototypes.
  0a30ba509fde netfilter: nf_nat_proto: make tables static
  e84fb4b3666d netfilter: conntrack: use shared sysctl constants
  105333435b4f netfilter: connlabels: prefer static lock initialiser
  8c0bb7873815 netfilter: synproxy: rename mss synproxy_options field
  c162610c7db2 Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-next

Fix bisection: failed (bisect log)
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 possible deadlock in tty_port_close_start C done 47 81d 546d 1/1 fixed on 2021/06/15 21:27
linux-4.14 possible deadlock in tty_port_close_start C 49 25d 536d 0/1 upstream: reported C repro on 2020/02/15 19:33

Sample crash report:

Crashes (42):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/02/13 06:30 upstream dcc0b49040c7 98682e5e .config log report syz C possible deadlock in tty_port_close_start
ci-qemu-upstream 2020/06/13 18:52 upstream 435faf5c218a dbce178a .config log report syz C
ci-upstream-kasan-gce-root 2020/02/17 14:42 upstream 11a48a5a18c6 2b411596 .config log report syz C
ci-upstream-kasan-gce-selinux-root 2021/04/23 22:43 upstream 18a3c5f7abfd 17f0b706 .config log report info possible deadlock in tty_port_close_start
ci-upstream-kasan-gce-root 2021/04/06 05:16 upstream 0a50438c8436 6a81331a .config log report info possible deadlock in tty_port_close_start
ci-upstream-kasan-gce-selinux-root 2021/03/27 19:53 upstream 0f4498cef9f5 a8529b82 .config log report info possible deadlock in tty_port_close_start
ci-upstream-kasan-gce-selinux-root 2021/03/24 04:02 upstream 7acac4b3196c e613994b .config log report info possible deadlock in tty_port_close_start
ci-upstream-kasan-gce-root 2021/03/22 00:27 upstream 5ee96fa9dd78 bea32f74 .config log report info possible deadlock in tty_port_close_start
ci-upstream-kasan-gce-root 2021/03/14 03:54 upstream 88fe49249c99 4a003785 .config log report info possible deadlock in tty_port_close_start
ci-upstream-kasan-gce-root 2021/03/10 05:50 upstream 144c79ef3353 26967e35 .config log report info possible deadlock in tty_port_close_start
ci-qemu-upstream 2021/03/07 09:34 upstream 280d542f6ffa c599ed12 .config log report info possible deadlock in tty_port_close_start
ci-upstream-kasan-gce-selinux-root 2021/03/02 09:07 upstream fe07bfda2fb9 183afb6c .config log report info possible deadlock in tty_port_close_start
ci-qemu-upstream 2021/02/27 15:02 upstream 3fb6d0e00efc 4c37c133 .config log report info possible deadlock in tty_port_close_start
ci-qemu-upstream 2021/02/20 21:46 upstream f40ddce88593 3e5ed8b4 .config log report info possible deadlock in tty_port_close_start
ci-qemu-upstream 2021/02/19 02:00 upstream f40ddce88593 14052202 .config log report info possible deadlock in tty_port_close_start
ci-qemu-upstream 2021/02/15 01:34 upstream f40ddce88593 98682e5e .config log report info possible deadlock in tty_port_close_start
ci-qemu-upstream 2021/02/03 16:58 upstream 3aaf0a27ffc2 624dad51 .config log report info possible deadlock in tty_port_close_start
ci-upstream-kasan-gce-root 2021/01/19 10:41 upstream 1e2a199f6ccd 63631df1 .config log report info possible deadlock in tty_port_close_start
ci-qemu2-arm64 2021/04/03 09:08 upstream 0a84c2e440f7 6a81331a .config log report info possible deadlock in tty_port_close_start
ci-qemu-upstream-386 2021/02/09 03:08 upstream e0756cfc7d7c 2bd9619f .config log report info possible deadlock in tty_port_close_start
ci-upstream-linux-next-kasan-gce-root 2021/04/06 08:14 linux-next 454c576c3f5e 6a81331a .config log report info possible deadlock in tty_port_close_start
ci-upstream-linux-next-kasan-gce-root 2021/03/31 12:22 linux-next 931294922e65 6a81331a .config log report info possible deadlock in tty_port_close_start
ci-upstream-kasan-gce-root 2021/01/12 15:26 upstream a0d54b4f5b21 2c1f2513 .config log report info
ci-upstream-kasan-gce-root 2021/01/12 07:05 upstream a0d54b4f5b21 2c1f2513 .config log report info
ci-upstream-kasan-gce-root 2021/01/11 15:48 upstream 7c53f6b671f4 2c1f2513 .config log report info
ci-upstream-kasan-gce-root 2021/01/11 06:45 upstream 0653161f0fac 2c1f2513 .config log report info
ci-upstream-kasan-gce-root 2021/01/03 04:18 upstream 3516bd729358 79264ae3 .config log report info
ci-upstream-kasan-gce-root 2020/12/03 17:10 upstream 34816d20f173 e6b0d314 .config log report info
ci-upstream-kasan-gce-root 2020/11/17 09:07 upstream 9c87c9f41245 1bf9a662 .config log report info
ci-upstream-kasan-gce-root 2020/09/06 23:37 upstream dd9fb9bb3340 abf9ba4f .config log report
ci-upstream-kasan-gce-selinux-root 2020/08/20 10:50 upstream 7eac66d0456f ed282a3a .config log report
ci-upstream-kasan-gce-root 2020/07/28 02:35 upstream 92ed30191993 cb93dc6a .config log report
ci-upstream-kasan-gce-root 2020/06/18 05:18 upstream 7ae77150d94d b9f3810b .config log report
ci-upstream-kasan-gce-root 2020/06/02 03:38 upstream 9bf9511e3d9f a0331e89 .config log report
ci-upstream-kasan-gce-selinux-root 2020/05/30 19:59 upstream 86852175b016 6f3e1c7c .config log report
ci-upstream-kasan-gce-root 2020/03/27 14:14 upstream f3e69428b5e2 7d95711b .config log report
ci-upstream-kasan-gce-root 2020/02/28 13:35 upstream f8788d86ab28 59b57593 .config log report
ci-upstream-kasan-gce-root 2020/02/12 23:17 upstream f2850dd5ee01 84f4fc8a .config log report
ci-upstream-linux-next-kasan-gce-root 2020/12/04 21:07 linux-next 0eedceafd3a6 20366b87 .config log report info
ci-upstream-linux-next-kasan-gce-root 2020/09/01 01:50 linux-next b36c969764ab d5a3ae1f .config log report
ci-upstream-linux-next-kasan-gce-root 2020/08/12 12:40 linux-next bc09acc9f224 bb3e5fe6 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/20 00:52 linux-next 1d7f85df0f9c b690a6e3 .config log report