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INFO: task hung in nl80211_pre_doit (3)

Status: upstream: reported syz repro on 2024/11/14 08:18
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+da14e8c0ada830335981@syzkaller.appspotmail.com
First crash: 328d, last: 20d
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
[syzbot] [wireless?] INFO: task hung in nl80211_pre_doit (3) 1 (2) 2024/11/14 15:58
▶ ▼ Similar bugs (8)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: task hung in rtnetlink_rcv_msg net C inconclusive inconclusive 1970 353d 2317d 26/29 fixed on 2024/07/09 19:14
upstream INFO: task hung in nl80211_pre_doit wireless 5 1603d 1680d 0/29 auto-closed as invalid on 2021/05/17 09:21
linux-4.19 INFO: task hung in nl80211_pre_doit 1 1261d 1261d 0/1 auto-closed as invalid on 2022/05/13 08:55
upstream INFO: task hung in nl80211_pre_doit (2) wireless 18 1347d 1388d 0/29 auto-closed as invalid on 2022/01/17 00:54
linux-5.15 INFO: task hung in nl80211_pre_doit 9 359d 399d 0/3 auto-obsoleted due to no activity on 2024/10/11 11:32
linux-5.15 INFO: task hung in nl80211_pre_doit (2) 2 228d 245d 0/3 auto-obsoleted due to no activity on 2025/02/19 14:46
linux-4.19 INFO: task hung in nl80211_pre_doit (2) 1 909d 909d 0/1 upstream: reported on 2022/12/31 06:52
linux-6.1 INFO: task hung in nl80211_pre_doit 7 372d 399d 0/3 auto-obsoleted due to no activity on 2024/09/28 20:22
▶ ▼ Last patch testing requests (6)
Created Duration User Patch Repo Result
2025/06/21 09:52 17m retest repro upstream report log
2025/05/24 06:06 19m retest repro upstream OK log
2025/04/20 11:00 18m retest repro upstream report log
2025/03/15 04:32 21m retest repro upstream report log
2025/02/09 10:31 23m retest repro upstream report log
2024/11/24 08:17 16m retest repro upstream report log

Sample crash report:
INFO: task syz-executor:5470 blocked for more than 143 seconds.
      Not tainted 6.15.0-syzkaller-13473-gc0c9379f235d #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21016 pid:5470  tgid:5470  ppid:1      task_flags:0x400140 flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x16f5/0x4d00 kernel/sched/core.c:6785
 __schedule_loop kernel/sched/core.c:6863 [inline]
 schedule+0x165/0x360 kernel/sched/core.c:6878
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x724/0xe80 kernel/locking/mutex.c:747
 nl80211_pre_doit+0x5f/0x930 net/wireless/nl80211.c:16733
 genl_family_rcv_msg_doit+0x1bb/0x300 net/netlink/genetlink.c:1110
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2534
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1313 [inline]
 netlink_unicast+0x758/0x8d0 net/netlink/af_netlink.c:1339
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1883
 sock_sendmsg_nosec net/socket.c:712 [inline]
 __sock_sendmsg+0x219/0x270 net/socket.c:727
 __sys_sendto+0x3bd/0x520 net/socket.c:2180

Crashes (28):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/06/07 09:49 upstream c0c9379f235d 4826c28e .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in nl80211_pre_doit
2024/11/10 08:04 upstream de2f378f2b77 6b856513 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in nl80211_pre_doit
2025/01/26 10:14 upstream aa22f4da2a46 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in nl80211_pre_doit
2025/01/24 00:24 upstream d0d106a2bd21 f6a35ef3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in nl80211_pre_doit
2024/12/04 21:49 upstream feffde684ac2 b50eb251 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in nl80211_pre_doit
2024/10/12 07:10 upstream 9e4c6c1ad9a1 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in nl80211_pre_doit
2024/10/10 13:50 upstream d3d1556696c1 8fbfc0c8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in nl80211_pre_doit
2024/10/05 13:38 upstream 27cc6fdf7201 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in nl80211_pre_doit
2024/09/30 15:01 upstream 9852d85ec9d4 bbd4e0a4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in nl80211_pre_doit
2024/09/28 13:52 upstream ad46e8f95e93 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in nl80211_pre_doit
2024/09/23 13:18 upstream de5cb0dcb74c 89298aad .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in nl80211_pre_doit
2024/08/05 16:38 upstream de9c2c66ad8e e35c337f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in nl80211_pre_doit
2024/08/03 15:47 upstream 17712b7ea075 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in nl80211_pre_doit
2024/10/12 14:38 upstream 9e4c6c1ad9a1 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in nl80211_pre_doit
2024/10/10 11:54 upstream b983b271662b 0278d004 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in nl80211_pre_doit
2024/10/05 22:42 upstream fc20a3e57247 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in nl80211_pre_doit
2024/09/26 13:24 upstream aa486552a110 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in nl80211_pre_doit
2024/08/03 22:07 upstream 17712b7ea075 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in nl80211_pre_doit
2025/02/18 02:13 upstream 2408a807bfc3 429ea007 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root INFO: task hung in nl80211_pre_doit
2024/10/09 09:15 net 08c8acc9d8f3 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in nl80211_pre_doit
2024/10/03 21:28 net a0ffa68c70b3 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in nl80211_pre_doit
2025/03/01 04:22 net-next 090119a35783 1e7a43e1 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nl80211_pre_doit
2024/10/20 20:53 net-next 6d858708d465 cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nl80211_pre_doit
2024/10/10 11:07 net-next 09cf85ef183a 0278d004 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nl80211_pre_doit
2024/10/05 20:02 net-next d521db38f339 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nl80211_pre_doit
2024/10/02 16:24 net-next 44badc908f2c a4c7fd36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nl80211_pre_doit
2024/09/30 23:52 net-next c824deb1a897 bbd4e0a4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nl80211_pre_doit
2024/08/09 09:29 net-next eb3ab13d997a 61405512 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nl80211_pre_doit
* Struck through repros no longer work on HEAD.