syzbot


INFO: task hung in wg_get_device_dump

Status: auto-obsoleted due to no activity on 2024/09/14 05:38
Reported-by: syzbot+67d1d82916152df80a76@syzkaller.appspotmail.com
First crash: 181d, last: 181d

Sample crash report:
INFO: task syz-executor.3:9043 blocked for more than 143 seconds.
      Not tainted 6.1.92-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:24512 pid:9043  ppid:8376   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5245 [inline]
 __schedule+0x142d/0x4550 kernel/sched/core.c:6558
 schedule+0xbf/0x180 kernel/sched/core.c:6634
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6693
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x6b9/0xd80 kernel/locking/mutex.c:747
 wg_get_device_dump+0xec/0x1d40 drivers/net/wireguard/netlink.c:220
 genl_lock_dumpit+0x69/0x90 net/netlink/genetlink.c:640
 netlink_dump+0x603/0xc50 net/netlink/af_netlink.c:2231
 __netlink_dump_start+0x541/0x6e0 net/netlink/af_netlink.c:2335
 genl_family_rcv_msg_dumpit net/netlink/genetlink.c:703 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:830 [inline]
 genl_rcv_msg+0x7c9/0xf70 net/netlink/genetlink.c:850

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/06 05:37 linux-6.1.y 88690811da69 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: task hung in wg_get_device_dump
* Struck through repros no longer work on HEAD.