INFO: task syz-executor.3:13081 blocked for more than 143 seconds.
      Not tainted 6.7.0-rc4-syzkaller-00111-g5e3f5b81de80 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:26512 pid:13081 tgid:13081 ppid:5118   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0xedb/0x5af0 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6778
 coredump_task_exit kernel/exit.c:437 [inline]
 do_exit+0x3e7/0x2ae0 kernel/exit.c:823
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1021
 get_signal+0x23be/0x2790 kernel/signal.c:2904
 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x121/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296
 do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fe6cf87cba9
RSP: 002b:00007ffe625e9458 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 0000000000192bcd RCX: 00007fe6cf87cba9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe6cf99c1fc
RBP: 0000000000000032 R08: 00007fe6cf99c1fc R09: 00007fe6cf99c1fc
R10: 00007ffe625e9590 R11: 0000000000000246 R12: 00007fe6cf99c1fc
R13: 0000000000192bff R14: 00007ffe625e95b0 R15: 00007ffe625e9590
 </TASK>
INFO: task syz-executor.3:13082 blocked for more than 144 seconds.
      Not tainted 6.7.0-rc4-syzkaller-00111-g5e3f5b81de80 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:25376 pid:13082 tgid:13081 ppid:5118   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0xedb/0x5af0 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6778
 coredump_task_exit kernel/exit.c:437 [inline]
 do_exit+0x3e7/0x2ae0 kernel/exit.c:823
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1021
 get_signal+0x23be/0x2790 kernel/signal.c:2904
 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x121/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296
 do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fe6cf87cba9
RSP: 002b:00007fe6d06650c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: 0000000000135000 RBX: 00007fe6cf99bf80 RCX: 00007fe6cf87cba9
RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004
RBP: 00007fe6cf8c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0001000000201005 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fe6cf99bf80 R15: 00007ffe625e9378
 </TASK>
INFO: task syz-executor.3:13119 blocked for more than 144 seconds.
      Not tainted 6.7.0-rc4-syzkaller-00111-g5e3f5b81de80 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:24912 pid:13119 tgid:13081 ppid:5118   flags:0x00004006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0xedb/0x5af0 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6778
 coredump_task_exit kernel/exit.c:437 [inline]
 do_exit+0x3e7/0x2ae0 kernel/exit.c:823
 do_group_exit+0xd4/0x2a0 kernel/exit.c:1021
 get_signal+0x23be/0x2790 kernel/signal.c:2904
 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x121/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296
 do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fe6cf87cba9
RSP: 002b:00007fe6d0644078 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: fffffffffffffffc RBX: 00007fe6cf99c050 RCX: 00007fe6cf87cba9
RDX: 0000000020000040 RSI: 0000000020000280 RDI: 0000000060000000
RBP: 00007fe6cf8c847a R08: 00000000200002c0 R09: 00000000200002c0
R10: 0000000020000140 R11: 0000000000000206 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe6cf99c050 R15: 00007ffe625e9378
 </TASK>
INFO: task syz-executor.3:13131 blocked for more than 145 seconds.
      Not tainted 6.7.0-rc4-syzkaller-00111-g5e3f5b81de80 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.3  state:D stack:28624 pid:13131 tgid:13081 ppid:5118   flags:0x00000006
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5376 [inline]
 __schedule+0xedb/0x5af0 kernel/sched/core.c:6688
 __schedule_loop kernel/sched/core.c:6763 [inline]
 schedule+0xe9/0x270 kernel/sched/core.c:6778
 schedule_timeout+0x257/0x290 kernel/time/timer.c:2143
 do_wait_for_common kernel/sched/completion.c:95 [inline]
 __wait_for_common+0x3e0/0x5f0 kernel/sched/completion.c:116
 wait_for_common kernel/sched/completion.c:127 [inline]
 wait_for_completion_state+0x1c/0x30 kernel/sched/completion.c:264
 coredump_wait fs/coredump.c:414 [inline]
 do_coredump+0x92f/0x3fd0 fs/coredump.c:571
 get_signal+0x2438/0x2790 kernel/signal.c:2890
 arch_do_signal_or_restart+0x90/0x7f0 arch/x86/kernel/signal.c:309
 exit_to_user_mode_loop kernel/entry/common.c:168 [inline]
 exit_to_user_mode_prepare+0x121/0x240 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x1e/0x60 kernel/entry/common.c:296
 do_syscall_64+0x4d/0x110 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7fe6cf87cba9
RSP: 002b:00007fe6d06020c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffe5 RBX: 00007fe6cf99c1f0 RCX: 00007fe6cf87cba9
RDX: 0000000020000000 RSI: 000000004020940d RDI: 0000000000000006
RBP: 00007fe6cf8c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007fe6cf99c1f0 R15: 00007ffe625e9378
 </TASK>

Showing all locks held in the system:
1 lock held by khungtaskd/29:
 #0: ffffffff8cfabce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:301 [inline]
 #0: ffffffff8cfabce0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:747 [inline]
 #0: ffffffff8cfabce0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6614
2 locks held by kworker/u4:11/2498:
 #0: ffff8880b983c718 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:558
 #1: ffffc9000a1dfd80 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2603
2 locks held by getty/4824:
 #0: ffff88802a74a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
 #1: ffffc90002efe2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfc6/0x1490 drivers/tty/n_tty.c:2201
2 locks held by kworker/0:5/5176:
 #0: ffff888013072938 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2602
 #1: ffffc9000489fd80 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2603
3 locks held by kworker/1:5/15766:
 #0: ffff888013070d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2602
 #1: ffffc90015877d80 ((work_completion)(&rdev->destroy_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2603
 #2: ffffffff8eaad268 (rtnl_mutex){+.+.}-{3:3}, at: cfg80211_destroy_iface_wk+0x12/0x30 net/wireless/core.c:365
2 locks held by kworker/u4:2/32140:
5 locks held by kworker/1:0/8919:
 #0: ffff888013070d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x789/0x15d0 kernel/workqueue.c:2602
 #1: ffffc90015327d80 ((work_completion)(&rdev->destroy_work)){+.+.}-{0:0}, at: process_one_work+0x7eb/0x15d0 kernel/workqueue.c:2603
 #2: ffffffff8eaad268 (rtnl_mutex){+.+.}-{3:3}, at: cfg80211_destroy_iface_wk+0x12/0x30 net/wireless/core.c:365
 #3: ffff8880969f8768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:5870 [inline]
 #3: ffff8880969f8768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: cfg80211_destroy_ifaces+0x11c/0x200 net/wireless/core.c:350
 #4: ffffffff8cfb7738 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:325 [inline]
 #4: ffffffff8cfb7738 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x3ff/0x800 kernel/rcu/tree_exp.h:996
3 locks held by syz-executor.3/13383:
2 locks held by syz-executor.0/19752:
2 locks held by syz-executor.2/19862:
2 locks held by syz-executor.5/19866:
 #0: ffffffff8eb49170 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1075
 #1: ffffffff8eaad268 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0xb4/0xb10 net/wireless/nl80211.c:16345
2 locks held by syz-executor.4/19869:
 #0: ffffffff8eb49170 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 net/netlink/genetlink.c:1075
 #1: ffffffff8eaad268 (rtnl_mutex){+.+.}-{3:3}, at: nl80211_pre_doit+0xb4/0xb10 net/wireless/nl80211.c:16345
1 lock held by syz-executor.0/19985:
 #0: ffff8880b983c718 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:558
1 lock held by syz-executor.0/19986:

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 29 Comm: khungtaskd Not tainted 6.7.0-rc4-syzkaller-00111-g5e3f5b81de80 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 nmi_cpu_backtrace+0x277/0x390 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+0xf87/0x1210 kernel/hung_task.c:379
 kthread+0x2c6/0x3a0 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:242
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5107 Comm: syz-executor.5 Not tainted 6.7.0-rc4-syzkaller-00111-g5e3f5b81de80 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:native_apic_mem_write+0xc/0x10 arch/x86/include/asm/apic.h:95
Code: bf 30 08 00 00 e8 f4 3a 5a 03 48 89 d8 5b c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 f3 0f 1e fa 89 ff 89 b7 00 c0 5f ff <c3> 0f 1f 00 f3 0f 1e fa 48 b8 00 00 00 00 00 fc ff df 53 89 fb 48
RSP: 0018:ffffc90000007ec0 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: ffff8880b9828240 RCX: 0000000000000020
RDX: 1ffff11017305049 RSI: 000000000000f113 RDI: 0000000000000380
RBP: 000000000000f113 R08: 0000000000000005 R09: 000000000000003f
R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000020 R14: 0000000000000000 R15: 000001a42ec34127
FS:  00005555562f3480(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3a665a7000 CR3: 0000000032a25000 CR4: 0000000000350ef0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 apic_write arch/x86/include/asm/apic.h:403 [inline]
 lapic_next_event+0x10/0x20 arch/x86/kernel/apic/apic.c:448
 clockevents_program_event+0x262/0x370 kernel/time/clockevents.c:334
 tick_program_event+0xa5/0x130 kernel/time/tick-oneshot.c:44
 hrtimer_interrupt+0x36d/0x800 kernel/time/hrtimer.c:1827
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x105/0x400 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:200
Code: 86 6c da 02 66 0f 1f 44 00 00 f3 0f 1e fa 48 8b be b0 01 00 00 e8 b0 ff ff ff 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <f3> 0f 1e fa 65 48 8b 14 25 c0 bc 03 00 65 8b 05 04 2f 7c 7e a9 00
RSP: 0018:ffffc90003bf7b08 EFLAGS: 00000206
RAX: 0000000000000000 RBX: ffffc90003bf7cf8 RCX: ffffffff814ebe4d
RDX: ffff88801e8a8000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: ffffc90003bf7cfc R08: 0000000000000005 R09: 0000000000000000
R10: 0000000040000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88801fd81dc0 R14: 0000000040000000 R15: ffff88801fd82300
 wait_consider_task+0x31d/0x40c0 kernel/exit.c:1378
 do_wait_thread kernel/exit.c:1477 [inline]
 __do_wait+0x1e3/0x890 kernel/exit.c:1595
 do_wait+0x212/0x530 kernel/exit.c:1629
 kernel_wait4+0x16d/0x280 kernel/exit.c:1788
 __do_sys_wait4+0x15b/0x170 kernel/exit.c:1816
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f21e58795d7
Code: 89 7c 24 10 48 89 4c 24 18 e8 d5 a3 02 00 4c 8b 54 24 18 8b 54 24 14 41 89 c0 48 8b 74 24 08 8b 7c 24 10 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 89 44 24 10 e8 25 a4 02 00 8b 44
RSP: 002b:00007ffc49ab3fd0 EFLAGS: 00000293 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 0000000000004807 RCX: 00007f21e58795d7
RDX: 0000000040000001 RSI: 00007ffc49ab405c RDI: 00000000ffffffff
RBP: 00007ffc49ab405c R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000032
R13: 00000000001b85af R14: 00000000001b856d R15: 0000000000000005
 </TASK>