syzbot


INFO: task hung in cfg80211_netdev_notifier_call

Status: auto-obsoleted due to no activity on 2023/12/05 16:15
Subsystems: wireless
[Documentation on labels]
First crash: 781d, last: 714d

Sample crash report:
INFO: task kworker/u4:0:11 blocked for more than 143 seconds.
      Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:0    state:D stack:23648 pid:11    ppid:2      flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 wiphy_lock include/net/cfg80211.h:5775 [inline]
 cfg80211_netdev_notifier_call+0x2c0/0x12e0 net/wireless/core.c:1499
 notifier_call_chain+0xb6/0x3b0 kernel/notifier.c:93
 call_netdevice_notifiers_info+0xb9/0x130 net/core/dev.c:1970
 call_netdevice_notifiers_extack net/core/dev.c:2008 [inline]
 call_netdevice_notifiers net/core/dev.c:2022 [inline]
 __dev_close_many+0xf1/0x2e0 net/core/dev.c:1508
 dev_close_many+0x22c/0x640 net/core/dev.c:1559
 dev_close net/core/dev.c:1585 [inline]
 dev_close+0x171/0x220 net/core/dev.c:1579
 cfg80211_shutdown_all_interfaces+0x9a/0x1f0 net/wireless/core.c:278
 ieee80211_remove_interfaces+0xd2/0x660 net/mac80211/iface.c:2282
 ieee80211_unregister_hw+0x4b/0x250 net/mac80211/main.c:1483
 mac80211_hwsim_del_radio drivers/net/wireless/virtual/mac80211_hwsim.c:5408 [inline]
 hwsim_exit_net+0x3a8/0x7d0 drivers/net/wireless/virtual/mac80211_hwsim.c:6285
 ops_exit_list+0xb0/0x170 net/core/net_namespace.c:170
 cleanup_net+0x505/0xb20 net/core/net_namespace.c:614
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: task dhcpcd:4706 blocked for more than 144 seconds.
      Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:dhcpcd          state:D stack:23384 pid:4706  ppid:4705   flags:0x00000002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 __netlink_dump_start+0x167/0x9c0 net/netlink/af_netlink.c:2335
 netlink_dump_start include/linux/netlink.h:336 [inline]
 rtnetlink_rcv_msg+0x755/0xd30 net/core/rtnetlink.c:6400
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
 netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
 sock_sendmsg_nosec net/socket.c:730 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:753
 __sys_sendto+0x255/0x340 net/socket.c:2176
 __do_sys_sendto net/socket.c:2188 [inline]
 __se_sys_sendto net/socket.c:2184 [inline]
 __x64_sys_sendto+0xe0/0x1b0 net/socket.c:2184
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f28741faad7
RSP: 002b:00007ffda2b044a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007ffda2b055d0 RCX: 00007f28741faad7
RDX: 0000000000000014 RSI: 00007ffda2b054f0 RDI: 000000000000001a
RBP: 00007ffda2b05560 R08: 00007ffda2b054d4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000012
R13: 00007ffda2b054d4 R14: 00007ffda2b054f0 R15: 0000000000000105
 </TASK>
INFO: task kworker/1:1:16899 blocked for more than 144 seconds.
      Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:1     state:D stack:26344 pid:16899 ppid:2      flags:0x00004000
Workqueue: events linkwatch_event
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 linkwatch_event+0x51/0xc0 net/core/link_watch.c:277
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: task kworker/0:12:17885 blocked for more than 145 seconds.
      Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:12    state:D stack:28904 pid:17885 ppid:2      flags:0x00004000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4667
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: task kworker/1:5:18332 blocked for more than 145 seconds.
      Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/1:5     state:D stack:27192 pid:18332 ppid:2      flags:0x00004000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4667
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
INFO: task syz-executor.4:18518 blocked for more than 146 seconds.
      Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4  state:D stack:25176 pid:18518 ppid:1      flags:0x20000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rtnl_lock net/core/rtnetlink.c:78 [inline]
 rtnetlink_rcv_msg+0x3e2/0xd30 net/core/rtnetlink.c:6441
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
 netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
 sock_sendmsg_nosec net/socket.c:730 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:753
 __sys_sendto+0x255/0x340 net/socket.c:2176
 __do_compat_sys_socketcall+0x5df/0x700 net/compat.c:475
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f7b579
RSP: 002b:00000000f749f7f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000066
RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00000000f749f804
RDX: 0000000000000000 RSI: 00000000f7ea4568 RDI: 00000000f7353ff4
RBP: 00000000f7ea4568 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
INFO: task syz-executor.3:18520 blocked for more than 146 seconds.
      Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:25280 pid:18520 ppid:1      flags:0x20000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rtnl_lock net/core/rtnetlink.c:78 [inline]
 rtnetlink_rcv_msg+0x3e2/0xd30 net/core/rtnetlink.c:6441
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
 netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
 sock_sendmsg_nosec net/socket.c:730 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:753
 __sys_sendto+0x255/0x340 net/socket.c:2176
 __do_compat_sys_socketcall+0x5df/0x700 net/compat.c:475
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f8f579
RSP: 002b:00000000f749f7c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000066
RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00000000f749f7d4
RDX: 0000000000000000 RSI: 00000000f7ea4568 RDI: 00000000f7353ff4
RBP: 00000000f7ea4568 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
INFO: task syz-executor.0:18526 blocked for more than 147 seconds.
      Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0  state:D stack:25280 pid:18526 ppid:1      flags:0x20000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rtnl_lock net/core/rtnetlink.c:78 [inline]
 rtnetlink_rcv_msg+0x3e2/0xd30 net/core/rtnetlink.c:6441
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
 netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
 sock_sendmsg_nosec net/socket.c:730 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:753
 __sys_sendto+0x255/0x340 net/socket.c:2176
 __do_compat_sys_socketcall+0x5df/0x700 net/compat.c:475
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7f82579
RSP: 002b:00000000f749f830 EFLAGS: 00000293 ORIG_RAX: 0000000000000066
RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00000000f749f844
RDX: 0000000000000000 RSI: 00000000f7ea4568 RDI: 00000000f7353ff4
RBP: 00000000f7ea4568 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
INFO: task syz-executor.5:18523 blocked for more than 148 seconds.
      Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5  state:D stack:24880 pid:18523 ppid:1      flags:0x20000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rtnl_lock net/core/rtnetlink.c:78 [inline]
 rtnetlink_rcv_msg+0x3e2/0xd30 net/core/rtnetlink.c:6441
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
 netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
 sock_sendmsg_nosec net/socket.c:730 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:753
 __sys_sendto+0x255/0x340 net/socket.c:2176
 __do_compat_sys_socketcall+0x5df/0x700 net/compat.c:475
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7faf579
RSP: 002b:00000000f749f7c0 EFLAGS: 00000293 ORIG_RAX: 0000000000000066
RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00000000f749f7d4
RDX: 0000000000000000 RSI: 00000000f7ea4568 RDI: 00000000f7353ff4
RBP: 00000000f7ea4568 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
INFO: task syz-executor.2:18528 blocked for more than 148 seconds.
      Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2  state:D stack:24568 pid:18528 ppid:1      flags:0x20000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5382 [inline]
 __schedule+0xee1/0x59f0 kernel/sched/core.c:6695
 schedule+0xe7/0x1b0 kernel/sched/core.c:6771
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6830
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x967/0x1340 kernel/locking/mutex.c:747
 rtnl_lock net/core/rtnetlink.c:78 [inline]
 rtnetlink_rcv_msg+0x3e2/0xd30 net/core/rtnetlink.c:6441
 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2545
 netlink_unicast_kernel net/netlink/af_netlink.c:1342 [inline]
 netlink_unicast+0x536/0x810 net/netlink/af_netlink.c:1368
 netlink_sendmsg+0x93c/0xe40 net/netlink/af_netlink.c:1910
 sock_sendmsg_nosec net/socket.c:730 [inline]
 sock_sendmsg+0xd9/0x180 net/socket.c:753
 __sys_sendto+0x255/0x340 net/socket.c:2176
 __do_compat_sys_socketcall+0x5df/0x700 net/compat.c:475
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x61/0xe0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x33/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x70/0x82
RIP: 0023:0xf7fe3579
RSP: 002b:00000000f749f7f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000066
RAX: ffffffffffffffda RBX: 000000000000000b RCX: 00000000f749f804
RDX: 0000000000000000 RSI: 00000000f7ea4568 RDI: 00000000f7353ff4
RBP: 00000000f7ea4568 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x277/0x380 lib/nmi_backtrace.c:113
 nmi_trigger_cpumask_backtrace+0x299/0x300 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline]
 watchdog+0xfac/0x1230 kernel/hung_task.c:379
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5136 Comm: kworker/0:4 Not tainted 6.5.0-syzkaller-11938-g65d6e954e378 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Workqueue: events cfg80211_wiphy_work
RIP: 0010:lock_release+0x3c3/0x680 kernel/locking/lockdep.c:5761
Code: 58 f6 c4 02 0f 85 c8 01 00 00 48 f7 04 24 00 02 00 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df 48 01 c5 48 c7 45 00 00 00 00 00 <c7> 45 08 00 00 00 00 48 8b 84 24 88 00 00 00 65 48 2b 04 25 28 00
RSP: 0018:ffffc90000006ea8 EFLAGS: 00000086
RAX: dffffc0000000000 RBX: ffffffff8ece1e10 RCX: ffffffff81685ac5
RDX: 0000000000000000 RSI: ffffffff8ae903a0 RDI: 0000000000000000
RBP: fffff52000000dd7 R08: 0000000000000000 R09: fffffbfff1d9bd12
R10: ffffffff8ecde897 R11: dffffc0000000000 R12: ffff8880b9844910
R13: ffff88814166ea00 R14: 0000000000000000 R15: ffff88808ebda000
FS:  0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00000000f7ea5ea0 CR3: 000000000c976000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 local_lock_release include/linux/local_lock_internal.h:38 [inline]
 ___slab_alloc+0xab3/0x1570 mm/slub.c:3175
 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3322
 __slab_alloc_node mm/slub.c:3375 [inline]
 slab_alloc_node mm/slub.c:3468 [inline]
 slab_alloc mm/slub.c:3486 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
 kmem_cache_alloc+0x392/0x3b0 mm/slub.c:3502
 skb_ext_maybe_cow net/core/skbuff.c:6629 [inline]
 skb_ext_add+0x105/0x780 net/core/skbuff.c:6695
 nf_bridge_unshare net/bridge/br_netfilter_hooks.c:160 [inline]
 br_nf_forward_ip+0x132/0x1760 net/bridge/br_netfilter_hooks.c:592
 nf_hook_entry_hookfn include/linux/netfilter.h:144 [inline]
 nf_hook_slow+0xbf/0x1e0 net/netfilter/core.c:626
 nf_hook include/linux/netfilter.h:259 [inline]
 NF_HOOK include/linux/netfilter.h:302 [inline]
 __br_forward+0x2d9/0x900 net/bridge/br_forward.c:115
 deliver_clone net/bridge/br_forward.c:131 [inline]
 maybe_deliver+0x354/0x450 net/bridge/br_forward.c:190
 br_flood+0x17e/0x640 net/bridge/br_forward.c:236
 br_handle_frame_finish+0xfcb/0x1dd0 net/bridge/br_input.c:210
 br_nf_hook_thresh+0x2ff/0x410 net/bridge/br_netfilter_hooks.c:1048
 br_nf_pre_routing_finish_ipv6+0x683/0xf20 net/bridge/br_netfilter_ipv6.c:148
 NF_HOOK include/linux/netfilter.h:304 [inline]
 br_nf_pre_routing_ipv6+0x41b/0x850 net/bridge/br_netfilter_ipv6.c:178
 br_nf_pre_routing+0x8d8/0x1950 net/bridge/br_netfilter_hooks.c:508
 nf_hook_entry_hookfn include/linux/netfilter.h:144 [inline]
 nf_hook_bridge_pre net/bridge/br_input.c:272 [inline]
 br_handle_frame+0x9da/0x16d0 net/bridge/br_input.c:417
 __netif_receive_skb_core.constprop.0+0xa26/0x3f20 net/core/dev.c:5417
 __netif_receive_skb_one_core+0xaf/0x180 net/core/dev.c:5521
 __netif_receive_skb+0x1f/0x1b0 net/core/dev.c:5637
 process_backlog+0x101/0x6c0 net/core/dev.c:5965
 __napi_poll.constprop.0+0xb4/0x530 net/core/dev.c:6527
 napi_poll net/core/dev.c:6594 [inline]
 net_rx_action+0x956/0xe90 net/core/dev.c:6727
 __do_softirq+0x218/0x965 kernel/softirq.c:553
 do_softirq kernel/softirq.c:454 [inline]
 do_softirq+0xaa/0xe0 kernel/softirq.c:441
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:381
 spin_unlock_bh include/linux/spinlock.h:396 [inline]
 cfg80211_inform_single_bss_frame_data+0x835/0xf30 net/wireless/scan.c:2887
 cfg80211_inform_bss_frame_data+0xbf/0x290 net/wireless/scan.c:2912
 ieee80211_bss_info_update+0x37b/0x9a0 net/mac80211/scan.c:211
 ieee80211_rx_bss_info net/mac80211/ibss.c:1124 [inline]
 ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1613 [inline]
 ieee80211_ibss_rx_queued_mgmt+0x195f/0x2ee0 net/mac80211/ibss.c:1642
 ieee80211_iface_process_skb net/mac80211/iface.c:1604 [inline]
 ieee80211_iface_work+0xa1f/0xd40 net/mac80211/iface.c:1658
 cfg80211_wiphy_work+0x24e/0x330 net/wireless/core.c:435
 process_one_work+0x887/0x15d0 kernel/workqueue.c:2630
 process_scheduled_works kernel/workqueue.c:2703 [inline]
 worker_thread+0x8bb/0x1290 kernel/workqueue.c:2784
 kthread+0x33a/0x430 kernel/kthread.c:388
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304
 </TASK>

Crashes (3):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2023/09/06 16:15 upstream 65d6e954e378 8bc9053e .config console log report info ci-upstream-kasan-gce-386 INFO: task hung in cfg80211_netdev_notifier_call
2023/07/10 11:16 upstream 06c2afb862f9 668cb1fa .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in cfg80211_netdev_notifier_call
2023/06/30 20:15 upstream 533925cb7604 01298212 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce INFO: task hung in cfg80211_netdev_notifier_call
* Struck through repros no longer work on HEAD.