syzbot


INFO: task hung in wiphy_unregister (2)

Status: upstream: reported on 2024/06/06 15:45
Subsystems: wireless
[Documentation on labels]
Reported-by: syzbot+abba31ed4fc4178349e9@syzkaller.appspotmail.com
First crash: 242d, last: 13h19m
Discussions (3)
Title Replies (including bot) Last reply
[syzbot] Monthly wireless report (Aug 2024) 0 (1) 2024/08/13 08:54
[syzbot] Monthly wireless report (Jul 2024) 0 (1) 2024/07/12 10:05
[syzbot] [wireless?] INFO: task hung in wiphy_unregister (2) 0 (1) 2024/06/06 15:45
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-5.15 INFO: task hung in wiphy_unregister 1 217d 217d 0/3 auto-obsoleted due to no activity on 2024/09/19 07:25
linux-6.1 INFO: task hung in wiphy_unregister 5 208d 238d 0/3 auto-obsoleted due to no activity on 2024/09/28 07:08
upstream INFO: task hung in wiphy_unregister wireless 1 499d 499d 0/28 auto-obsoleted due to no activity on 2023/12/02 06:54

Sample crash report:
INFO: task kworker/u8:5:140 blocked for more than 156 seconds.
      Not tainted 6.13.0-rc1-syzkaller-00316-gb5f217084ab3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:5    state:D stack:22576 pid:140   tgid:140   ppid:2      flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 __mutex_lock_common kernel/locking/mutex.c:665 [inline]
 __mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
 wiphy_unregister+0x236/0xb00 net/wireless/core.c:1144
 ieee80211_unregister_hw+0x1e2/0x2c0 net/mac80211/main.c:1694
 mac80211_hwsim_del_radio+0x2c4/0x4c0 drivers/net/wireless/virtual/mac80211_hwsim.c:5625
 hwsim_exit_net+0x5c1/0x670 drivers/net/wireless/virtual/mac80211_hwsim.c:6505
 ops_exit_list net/core/net_namespace.c:172 [inline]
 cleanup_net+0x802/0xcc0 net/core/net_namespace.c:632
 process_one_work kernel/workqueue.c:3229 [inline]
 process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310
 worker_thread+0x870/0xd30 kernel/workqueue.c:3391
 kthread+0x2f0/0x390 kernel/kthread.c:389
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
INFO: task dhcpcd:5498 blocked for more than 163 seconds.
      Not tainted 6.13.0-rc1-syzkaller-00316-gb5f217084ab3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:20248 pid:5498  tgid:5498  ppid:5497   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 __mutex_lock_common kernel/locking/mutex.c:665 [inline]
 __mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
 rtnl_lock net/core/rtnetlink.c:79 [inline]
 rtnl_dumpit+0x99/0x200 net/core/rtnetlink.c:6787
 netlink_dump+0x64d/0xe10 net/netlink/af_netlink.c:2317
 __netlink_dump_start+0x5a2/0x790 net/netlink/af_netlink.c:2432
 netlink_dump_start include/linux/netlink.h:340 [inline]
 rtnetlink_dump_start net/core/rtnetlink.c:6817 [inline]
 rtnetlink_rcv_msg+0xb3d/0xcf0 net/core/rtnetlink.c:6884
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2542
 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1347
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891
 sock_sendmsg_nosec net/socket.c:711 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:726
 __sys_sendto+0x363/0x4c0 net/socket.c:2197
 __do_sys_sendto net/socket.c:2204 [inline]
 __se_sys_sendto net/socket.c:2200 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2200
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f10e9d71ad7
RSP: 002b:00007ffcad8b94b8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007ffcad8ba5e0 RCX: 00007f10e9d71ad7
RDX: 0000000000000014 RSI: 00007ffcad8ba500 RDI: 0000000000000018
RBP: 00007ffcad8ba570 R08: 00007ffcad8ba4e4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000012
R13: 00007ffcad8ba4e4 R14: 00007ffcad8ba500 R15: 0000000000000105
 </TASK>
INFO: task syz.2.134:6309 blocked for more than 165 seconds.
      Not tainted 6.13.0-rc1-syzkaller-00316-gb5f217084ab3 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.134       state:D stack:26944 pid:6309  tgid:6307  ppid:5841   flags:0x00000004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5369 [inline]
 __schedule+0x1850/0x4c30 kernel/sched/core.c:6756
 __schedule_loop kernel/sched/core.c:6833 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6848
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905
 __mutex_lock_common kernel/locking/mutex.c:665 [inline]
 __mutex_lock+0x7e7/0xee0 kernel/locking/mutex.c:735
 rtnl_lock net/core/rtnetlink.c:79 [inline]
 rtnetlink_rcv_msg+0x6e6/0xcf0 net/core/rtnetlink.c:6925
 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2542
 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline]
 netlink_unicast+0x7f6/0x990 net/netlink/af_netlink.c:1347
 netlink_sendmsg+0x8e4/0xcb0 net/netlink/af_netlink.c:1891
 sock_sendmsg_nosec net/socket.c:711 [inline]
 __sock_sendmsg+0x221/0x270 net/socket.c:726
 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2583
 ___sys_sendmsg net/socket.c:2637 [inline]
 __sys_sendmsg+0x269/0x350 net/socket.c:2669

Crashes (113):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/12/07 10:24 upstream b5f217084ab3 9ac0fdc6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in wiphy_unregister
2024/11/28 04:41 upstream aaf20f870da0 5df23865 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in wiphy_unregister
2024/11/26 08:19 upstream 2c22dc1ee3a1 11dbc254 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in wiphy_unregister
2024/10/30 09:12 upstream c1e939a21eb1 66aeb999 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in wiphy_unregister
2024/10/19 23:04 upstream 9197b73fd7bb cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in wiphy_unregister
2024/10/16 04:09 upstream 2f87d0916ce0 bde2d81c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in wiphy_unregister
2024/10/12 10:09 upstream 9e4c6c1ad9a1 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in wiphy_unregister
2024/10/11 18:26 upstream 1d227fcc7222 cd942402 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in wiphy_unregister
2024/10/09 08:59 upstream 5b7c893ed5ed 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in wiphy_unregister
2024/10/06 21:54 upstream 8f602276d390 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root INFO: task hung in wiphy_unregister
2024/10/06 03:24 upstream fc20a3e57247 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in wiphy_unregister
2024/10/05 03:28 upstream 27cc6fdf7201 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in wiphy_unregister
2024/10/04 23:24 upstream 360c1f1f24c6 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in wiphy_unregister
2024/10/04 11:12 upstream 8c245fe7dde3 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in wiphy_unregister
2024/10/01 21:06 upstream e32cde8d2bd7 ea2b66a6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in wiphy_unregister
2024/09/30 06:27 upstream e7ed34365879 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in wiphy_unregister
2024/09/28 06:34 upstream ad46e8f95e93 440b26ec .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in wiphy_unregister
2024/09/26 20:52 upstream 11a299a7933e 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in wiphy_unregister
2024/09/23 13:13 upstream de5cb0dcb74c 89298aad .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in wiphy_unregister
2024/09/23 04:37 upstream af9c191ac2a0 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in wiphy_unregister
2024/09/23 00:40 upstream af9c191ac2a0 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in wiphy_unregister
2024/09/20 05:30 upstream 2004cef11ea0 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in wiphy_unregister
2024/08/27 03:53 upstream 5be63fc19fca 9aee4e0b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in wiphy_unregister
2024/08/05 11:45 upstream de9c2c66ad8e e35c337f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in wiphy_unregister
2024/07/04 08:24 upstream 795c58e4c7fc 409d975c .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root INFO: task hung in wiphy_unregister
2024/06/20 21:34 upstream 2ccbdf43d5e7 dac2aa43 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in wiphy_unregister
2024/06/04 17:36 upstream 2ab795141095 a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in wiphy_unregister
2024/05/31 20:02 upstream 4a4be1ad3a6e 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in wiphy_unregister
2024/05/28 17:51 upstream 2bfcfd584ff5 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root INFO: task hung in wiphy_unregister
2024/12/11 14:32 upstream f92f4749861b ff949d25 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in wiphy_unregister
2024/10/03 23:29 upstream 7ec462100ef9 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in wiphy_unregister
2024/10/03 19:35 upstream 7ec462100ef9 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in wiphy_unregister
2024/10/03 06:30 upstream f23aa4c0761a a4c7fd36 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in wiphy_unregister
2024/09/30 01:05 upstream e7ed34365879 ba29ff75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in wiphy_unregister
2024/09/27 19:08 upstream e477dba5442c 2b1784d6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in wiphy_unregister
2024/09/26 03:30 upstream aa486552a110 0d19f247 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in wiphy_unregister
2024/09/20 12:21 upstream 2004cef11ea0 6f888b75 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in wiphy_unregister
2024/09/18 13:38 upstream 2f27fce67173 c673ca06 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-386 INFO: task hung in wiphy_unregister
2025/01/14 17:21 net 665bcfc982de 7315a7cf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in wiphy_unregister
2024/10/30 12:47 net c05c62850a8f 66aeb999 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in wiphy_unregister
2024/10/13 14:42 net 174714f0e505 084d8178 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in wiphy_unregister
2024/10/11 04:20 net a354733c738d 8fbfc0c8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in wiphy_unregister
2024/10/09 03:26 net f15b8d6eb638 402f1df0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in wiphy_unregister
2024/10/07 22:49 net 9234a2549cb6 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in wiphy_unregister
2024/10/07 11:27 net 9234a2549cb6 d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in wiphy_unregister
2024/10/04 14:30 net 096c0fa42afa d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce INFO: task hung in wiphy_unregister
2024/10/21 00:09 net-next 6d858708d465 cd6fc0a3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in wiphy_unregister
2024/10/10 19:33 net-next 09cf85ef183a 8fbfc0c8 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in wiphy_unregister
2024/10/04 15:53 net-next b63c755cb65d d7906eff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in wiphy_unregister
2024/09/30 16:40 net-next c824deb1a897 bbd4e0a4 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in wiphy_unregister
2024/09/28 02:25 net-next c824deb1a897 2b1784d6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in wiphy_unregister
2024/06/20 11:05 net-next 3ec8d7572a69 41b7e219 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce INFO: task hung in wiphy_unregister
2024/07/12 14:34 linux-next 3fe121b62282 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root INFO: task hung in wiphy_unregister
2024/10/22 10:29 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 86cada34bc3a a93682b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in wiphy_unregister
2024/10/21 18:42 git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci 86cada34bc3a a93682b3 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-gce-arm64 INFO: task hung in wiphy_unregister
* Struck through repros no longer work on HEAD.