syzbot


INFO: task syz-executor can't die for more than 143 seconds. (2)

Status: fixed on 2020/07/17 17:58
Reported-by: syzbot+b48daca8639150bc5e73@syzkaller.appspotmail.com
Fix commit: 566d136289dc pipe: Fix pipe_full() test in opipe_prep().
First crash: 1641d, last: 1370d
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
  
Duplicate bugs (3)
duplicates (3):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
INFO: task :LINE can't die for more than 143 seconds. fs 35 1610d 1613d 0/26 closed as dup on 2019/11/19 10:05
INFO: task :NUM can't die for more than 143 seconds. fs 38 1610d 1617d 0/26 closed as dup on 2019/11/13 10:28
INFO: task syz-executor can't die for more than 146 seconds. kernel 1 1610d 1610d 0/26 closed as dup on 2019/11/19 10:03
Discussions (7)
Title Replies (including bot) Last reply
[PATCH AUTOSEL 5.6 001/606] hwmon: (da9052) Synchronize access with mfd 327 (327) 2020/06/10 13:44
[PATCH 5.6 000/126] 5.6.15-rc1 review 141 (141) 2020/05/31 11:34
Re: [PATCH] block: Bail out iteration functions upon SIGKILL. 2 (2) 2019/11/12 14:47
Re: [PATCH] block: Bail out iteration functions upon SIGKILL. 1 (1) 2019/11/08 22:18
Re: [PATCH] block: Bail out iteration functions upon SIGKILL. 1 (1) 2019/11/08 18:13
[PATCH] block: Bail out iteration functions upon SIGKILL. 1 (1) 2019/11/08 11:41
INFO: task syz-executor can't die for more than 143 seconds. (2) 2 (3) 2019/10/28 08:51
Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task syz-executor can't die for more than 143 seconds. fs C done 61 1662d 1770d 13/26 fixed on 2019/10/15 23:40
upstream INFO: task syz-executor can't die for more than 143 seconds. (3) fs 2 1366d 1363d 0/26 auto-closed as invalid on 2020/09/18 10:04

Sample crash report:
INFO: task syz-executor563:6793 can't die for more than 143 seconds.
syz-executor563 R  running task    27640  6793   6792 0x00004006
Call Trace:

Showing all locks held in the system:
1 lock held by khungtaskd/1144:
 #0: ffffffff89bc3000 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:5779
1 lock held by in:imklog/6484:
 #0: ffff88809b8f0430 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:928
2 locks held by syz-executor563/6793:

=============================================

Kernel panic - not syncing: hung_task: blocked tasks
CPU: 0 PID: 1144 Comm: khungtaskd Not tainted 5.8.0-rc3-next-20200701-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x18f/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:231
 check_hung_uninterruptible_tasks kernel/hung_task.c:257 [inline]
 watchdog.cold+0x23e/0x24b kernel/hung_task.c:339
 kthread+0x3b5/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (2512):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/07/02 01:02 linux-next aab2003999e7 39acb39d .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2020/04/24 06:00 linux-next ac935d227366 2e44d63e .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2020/04/22 12:19 linux-next ac935d227366 2e44d63e .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2020/04/20 04:51 linux-next ac935d227366 9f7c6d12 .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2020/04/19 06:10 linux-next ac935d227366 365fba24 .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2019/12/30 10:46 linux-next 7ddd09fc4b74 af6b8ef8 .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2019/11/10 05:29 linux-next 5591cf003452 dc438b91 .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2019/10/19 04:22 linux-next c4b9850b3676 8c88c9c1 .config console log report syz C ci-upstream-linux-next-kasan-gce-root
2020/03/26 14:55 linux-next 770fbb32d34e e8e6c7d2 .config console log report syz ci-upstream-linux-next-kasan-gce-root
2019/12/29 19:53 linux-next 7ddd09fc4b74 af6b8ef8 .config console log report syz ci-upstream-linux-next-kasan-gce-root
2020/07/16 17:37 linux-next 4c43049f19a2 f3bec699 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/07/15 10:24 linux-next 5fb3d6042387 609fb517 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/07/11 23:37 linux-next d31958b30ea3 18d18b59 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/07/10 23:17 linux-next d31958b30ea3 18d18b59 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/07/08 10:07 linux-next 9e50b94b3eb0 51095195 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/07/08 04:16 linux-next 9e50b94b3eb0 51095195 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/07/07 18:50 linux-next 9e50b94b3eb0 51095195 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/07/06 17:12 linux-next 9e50b94b3eb0 51095195 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/07/05 12:27 linux-next 9e50b94b3eb0 51095195 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/07/02 16:21 linux-next aab2003999e7 bed10395 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/30 19:37 linux-next c28e58ee9dad 917afeaa .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/30 04:35 linux-next 36e3135df4d4 a2cdad9d .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/29 14:27 linux-next 36e3135df4d4 a2cdad9d .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/28 13:34 linux-next 36e3135df4d4 ffec44b5 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/28 10:05 linux-next 36e3135df4d4 ffec44b5 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/28 08:17 linux-next 36e3135df4d4 ffec44b5 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/28 02:07 linux-next 36e3135df4d4 ffec44b5 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/27 21:40 linux-next 36e3135df4d4 ffec44b5 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/27 00:13 linux-next e7b08814b16b aea82c00 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/25 10:12 linux-next e7b08814b16b 54566aff .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/19 06:02 linux-next e7b08814b16b bc258b50 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/14 19:51 linux-next e7b08814b16b 2a22c77a .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/11 06:07 linux-next e7b08814b16b 3ab7a05a .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/10 04:34 linux-next e7b08814b16b 860c4de9 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/10 01:32 linux-next e7b08814b16b 860c4de9 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/02 09:34 linux-next e7b08814b16b a0331e89 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/06/01 14:46 linux-next e7b08814b16b a0331e89 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/31 09:03 linux-next e7b08814b16b a0331e89 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/29 03:50 linux-next ff387fc20c69 d19ed305 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/26 05:27 linux-next 7b4cb0a48db0 8ca3b7d2 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/25 03:11 linux-next c11d28ab4a69 11284182 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/24 14:30 linux-next c11d28ab4a69 bd28eb9d .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/18 16:09 linux-next ac935d227366 684d3606 .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/18 10:35 linux-next ac935d227366 37bccd4e .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/18 08:05 linux-next ac935d227366 37bccd4e .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/17 15:21 linux-next ac935d227366 37bccd4e .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/17 13:07 linux-next ac935d227366 37bccd4e .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/17 08:47 linux-next ac935d227366 37bccd4e .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/16 16:53 linux-next ac935d227366 37bccd4e .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/15 14:16 linux-next ac935d227366 d7f9fffa .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/15 13:06 linux-next ac935d227366 d7f9fffa .config console log report ci-upstream-linux-next-kasan-gce-root
2020/05/15 11:47 linux-next ac935d227366 2d572622 .config console log report ci-upstream-linux-next-kasan-gce-root
2019/10/19 02:17 linux-next c4b9850b3676 8c88c9c1 .config console log report ci-upstream-linux-next-kasan-gce-root
* Struck through repros no longer work on HEAD.