syzbot


INFO: task hung in nl80211_prepare_wdev_dump

Status: auto-obsoleted due to no activity on 2024/09/01 01:51
Subsystems: wireless
[Documentation on labels]
First crash: 239d, last: 239d

Sample crash report:
INFO: task syz-executor.3:8037 blocked for more than 143 seconds.
      Not tainted 6.10.0-rc1-syzkaller-00236-gb5c089880723 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:24560 pid:8037  tgid:8036  ppid:7649   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5408 [inline]
 __schedule+0x17e8/0x4a20 kernel/sched/core.c:6745
 __schedule_loop kernel/sched/core.c:6822 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6837
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6894
 __mutex_lock_common kernel/locking/mutex.c:684 [inline]
 __mutex_lock+0x6a4/0xd70 kernel/locking/mutex.c:752
 nl80211_prepare_wdev_dump+0x3fb/0x6c0 net/wireless/nl80211.c:1005
 nl80211_dump_mpath+0x186/0x7f0 net/wireless/nl80211.c:7769
 genl_dumpit+0x107/0x1a0 net/netlink/genetlink.c:1027
 netlink_dump+0x6ff/0xe50 net/netlink/af_netlink.c:2337
 __netlink_dump_start+0x59d/0x780 net/netlink/af_netlink.c:2454
 genl_family_rcv_msg_dumpit net/netlink/genetlink.c:1076 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1192 [inline]
 genl_rcv_msg+0x88c/0xec0 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2564
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x8db/0xcb0 net/netlink/af_netlink.c:1905
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:745

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/03 01:47 net-next b5c089880723 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in nl80211_prepare_wdev_dump
* Struck through repros no longer work on HEAD.