INFO: task syz-executor:5224 blocked for more than 143 seconds.
Not tainted 6.11.0-rc4-next-20240822-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor state:D stack:20432 pid:5224 tgid:5224 ppid:5221 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
cgroup_css_set_fork kernel/cgroup/cgroup.c:6482 [inline]
cgroup_can_fork+0xb97/0xc80 kernel/cgroup/cgroup.c:6611
copy_process+0x219b/0x3d50 kernel/fork.c:2468
kernel_clone+0x226/0x8f0 kernel/fork.c:2784
__do_sys_clone kernel/fork.c:2927 [inline]
__se_sys_clone kernel/fork.c:2911 [inline]
__x64_sys_clone+0x258/0x2a0 kernel/fork.c:2911
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: 0033:0x7f2ef41706d3
RSP: 002b:00007ffe8e566148 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ef41706d3
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000555569f9e7d0 R11: 0000000000000246 R12: 0000000000000000
R13: 00000000000195c3 R14: 000000000001958c R15: 00007ffe8e5662d0
INFO: task syz.4.71:5555 blocked for more than 143 seconds.
Not tainted 6.11.0-rc4-next-20240822-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.71 state:D stack:26480 pid:5555 tgid:5554 ppid:5226 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
exit_signals+0x4a9/0x5c0 kernel/signal.c:3027
do_exit+0x6b4/0x28e0 kernel/exit.c:896
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
get_signal+0x176f/0x1810 kernel/signal.c:2936
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8c4a379e79
RSP: 002b:00007f8c4b115038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: 0000000000018ff8 RBX: 00007f8c4a515f80 RCX: 00007f8c4a379e79
RDX: 0000000000018ff8 RSI: 0000000020019680 RDI: 0000000000000004
RBP: 00007f8c4a3e7916 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8c4a515f80 R15: 00007fffa1440e38
INFO: task syz.3.83:5601 blocked for more than 143 seconds.
Not tainted 6.11.0-rc4-next-20240822-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.83 state:D stack:22608 pid:5601 tgid:5601 ppid:5227 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
exit_signals+0x4a9/0x5c0 kernel/signal.c:3027
do_exit+0x6b4/0x28e0 kernel/exit.c:896
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
get_signal+0x176f/0x1810 kernel/signal.c:2936
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feb75179e79
RSP: 002b:00007ffc15acb678 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffdfc RBX: 000000000001a5fc RCX: 00007feb75179e79
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007feb75315f8c
RBP: 00007feb75315f8c R08: 00007feb75315f80 R09: 00007ffc15acb95f
R10: 00007ffc15acb770 R11: 0000000000000246 R12: 0000000000000fd2
R13: 00007ffc15acb770 R14: 00007ffc15acb790 R15: 000000000001962a
INFO: task syz.3.83:5607 blocked for more than 144 seconds.
Not tainted 6.11.0-rc4-next-20240822-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.83 state:D stack:25248 pid:5607 tgid:5601 ppid:5227 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
exit_signals+0x4a9/0x5c0 kernel/signal.c:3027
do_exit+0x6b4/0x28e0 kernel/exit.c:896
do_group_exit+0x207/0x2c0 kernel/exit.c:1088
get_signal+0x176f/0x1810 kernel/signal.c:2936
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7feb7517b61a
RSP: 002b:00007feb75fc6e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: fffffffffffffff4 RBX: 00007feb75fc6ef0 RCX: 00007feb7517b61a
RDX: 0000000020000040 RSI: 00000000200001c0 RDI: 00007feb75fc6eb0
RBP: 0000000020000040 R08: 00007feb75fc6ef0 R09: 0000000000000404
R10: 0000000000000404 R11: 0000000000000246 R12: 00000000200001c0
R13: 00007feb75fc6eb0 R14: 000000000000042f R15: 0000000020000200
INFO: task syz.0.85:5604 blocked for more than 144 seconds.
Not tainted 6.11.0-rc4-next-20240822-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.85 state:D stack:24384 pid:5604 tgid:5604 ppid:5243 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
percpu_rwsem_wait+0x3c2/0x450 kernel/locking/percpu-rwsem.c:162
__percpu_down_read+0xee/0x130 kernel/locking/percpu-rwsem.c:177
percpu_down_read include/linux/percpu-rwsem.h:65 [inline]
cgroup_threadgroup_change_begin include/linux/cgroup-defs.h:806 [inline]
cgroup_css_set_fork kernel/cgroup/cgroup.c:6482 [inline]
cgroup_can_fork+0xb97/0xc80 kernel/cgroup/cgroup.c:6611
copy_process+0x219b/0x3d50 kernel/fork.c:2468
kernel_clone+0x226/0x8f0 kernel/fork.c:2784
__do_sys_clone3 kernel/fork.c:3088 [inline]
__se_sys_clone3+0x2cb/0x350 kernel/fork.c:3067
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: 0033:0x7fa1579adea9
RSP: 002b:00007ffcad382518 EFLAGS: 00000206 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007fa1579307f0 RCX: 00007fa1579adea9
RDX: 00007fa1579307f0 RSI: 0000000000000058 RDI: 00007ffcad382560
RBP: 00007fa1588026c0 R08: 00007fa1588026c0 R09: 00007ffcad382647
R10: 0000000000000008 R11: 0000000000000206 R12: ffffffffffffffa8
R13: 000000000000006e R14: 00007ffcad382560 R15: 00007ffcad382648
INFO: task syz.0.85:5605 blocked for more than 144 seconds.
Not tainted 6.11.0-rc4-next-20240822-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.85 state:D stack:26008 pid:5605 tgid:5604 ppid:5243 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2559
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
kvm_vm_create_worker_thread+0x1d7/0x2c0 virt/kvm/kvm_main.c:6671
kvm_mmu_post_init_vm+0x40/0x90 arch/x86/kvm/mmu/mmu.c:7455
kvm_create_vm virt/kvm/kvm_main.c:1243 [inline]
kvm_dev_ioctl_create_vm virt/kvm/kvm_main.c:5496 [inline]
kvm_dev_ioctl+0x1556/0x2370 virt/kvm/kvm_main.c:5538
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
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: 0033:0x7fa157979e79
RSP: 002b:00007fa158844038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa157b15f80 RCX: 00007fa157979e79
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000003
RBP: 00007fa1579e7916 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa157b15f80 R15: 00007ffcad382648
INFO: task syz.0.85:5608 blocked for more than 145 seconds.
Not tainted 6.11.0-rc4-next-20240822-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.85 state:D stack:27056 pid:5608 tgid:5604 ppid:5243 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
schedule_timeout+0xb0/0x310 kernel/time/timer.c:2559
do_wait_for_common kernel/sched/completion.c:95 [inline]
__wait_for_common kernel/sched/completion.c:116 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x355/0x620 kernel/sched/completion.c:148
kvm_vm_create_worker_thread+0x1d7/0x2c0 virt/kvm/kvm_main.c:6671
kvm_mmu_post_init_vm+0x40/0x90 arch/x86/kvm/mmu/mmu.c:7455
kvm_create_vm virt/kvm/kvm_main.c:1243 [inline]
kvm_dev_ioctl_create_vm virt/kvm/kvm_main.c:5496 [inline]
kvm_dev_ioctl+0x1556/0x2370 virt/kvm/kvm_main.c:5538
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
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: 0033:0x7fa157979e79
RSP: 002b:00007fa158823038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa157b16058 RCX: 00007fa157979e79
RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000005
RBP: 00007fa1579e7916 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa157b16058 R15: 00007ffcad382648
INFO: task kvm-nx-lpage-re:5609 blocked for more than 145 seconds.
Not tainted 6.11.0-rc4-next-20240822-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kvm-nx-lpage-re state:D stack:29176 pid:5609 tgid:5609 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5311 [inline]
__schedule+0x184a/0x4b30 kernel/sched/core.c:6677
__schedule_loop kernel/sched/core.c:6754 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6769
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6826
__mutex_lock_common kernel/locking/mutex.c:684 [inline]
__mutex_lock+0x6a7/0xd70 kernel/locking/mutex.c:752
cgroup_lock include/linux/cgroup.h:368 [inline]
cgroup_attach_task_all+0x27/0xe0 kernel/cgroup/cgroup-v1.c:61
kvm_vm_worker_thread+0xd5/0x580 virt/kvm/kvm_main.c:6604
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
Showing all locks held in the system:
1 lock held by kthreadd/2:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: copy_process+0x219b/0x3d50 kernel/fork.c:2468
2 locks held by kworker/u8:1/12:
1 lock held by khungtaskd/30:
#0: ffffffff8e939ae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e939ae0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e939ae0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6720
4 locks held by kworker/u8:5/1069:
#0: ffff8880b903ea58 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:595
#1: ffffc900042b7d00 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3208 [inline]
#1: ffffc900042b7d00 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3313
#2: ffff88807f4b8768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: wiphy_lock include/net/cfg80211.h:6014 [inline]
#2: ffff88807f4b8768 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: cfg80211_wiphy_work+0xd9/0x490 net/wireless/core.c:426
#3: ffffffff8e939ae0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#3: ffffffff8e939ae0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#3: ffffffff8e939ae0 (rcu_read_lock){....}-{1:2}, at: ieee80211_sta_active_ibss+0xc7/0x330 net/mac80211/ibss.c:642
1 lock held by syslogd/4664:
1 lock held by udevd/4682:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: copy_process+0x219b/0x3d50 kernel/fork.c:2468
1 lock held by dhcpcd/4896:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: copy_process+0x219b/0x3d50 kernel/fork.c:2468
2 locks held by getty/4981:
#0: ffff88802ad9e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc900031232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6ac/0x1e00 drivers/tty/n_tty.c:2211
1 lock held by syz-executor/5223:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by syz-executor/5224:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: copy_process+0x219b/0x3d50 kernel/fork.c:2468
1 lock held by udevd/5231:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by udevd/5238:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by udevd/5241:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by udevd/5245:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by udevd/5246:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by syz.4.71/5555:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by syz.1.76/5578:
1 lock held by syz.3.83/5601:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by syz.3.83/5607:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: do_exit+0x6b4/0x28e0 kernel/exit.c:896
1 lock held by syz.0.85/5604:
#0: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: copy_process+0x219b/0x3d50 kernel/fork.c:2468
3 locks held by kvm-nx-lpage-re/5606:
#0: ffffffff8e9677e8 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_lock include/linux/cgroup.h:368 [inline]
#0: ffffffff8e9677e8 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_attach_task_all+0x27/0xe0 kernel/cgroup/cgroup-v1.c:61
#1: ffffffff8e7d3a30 (cpu_hotplug_lock){++++}-{0:0}, at: cgroup_attach_lock+0x11/0x40 kernel/cgroup/cgroup.c:2435
#2: ffffffff8e9679d0 (cgroup_threadgroup_rwsem){++++}-{0:0}, at: cgroup_attach_task_all+0x31/0xe0 kernel/cgroup/cgroup-v1.c:62
1 lock held by kvm-nx-lpage-re/5609:
#0: ffffffff8e9677e8 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_lock include/linux/cgroup.h:368 [inline]
#0: ffffffff8e9677e8 (cgroup_mutex){+.+.}-{3:3}, at: cgroup_attach_task_all+0x27/0xe0 kernel/cgroup/cgroup-v1.c:61
=============================================
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-rc4-next-20240822-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xff4/0x1040 kernel/hung_task.c:379
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
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:1 Not tainted 6.11.0-rc4-next-20240822-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
Workqueue: events_unbound cfg80211_wiphy_work
RIP: 0010:ieee80211_sta_get_rates+0x2ff/0x660 net/mac80211/util.c:1552
Code: 84 db 0f 99 c0 44 08 f0 88 44 24 07 4c 8b 74 24 28 49 bc 00 00 00 00 00 fc ff df 45 31 ff 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 <74> 08 4c 89 f7 e8 27 1b c1 f6 49 63 c7 4d 8b 36 4c 8d 2c 40 4b 8d
RSP: 0018:ffffc90000117798 EFLAGS: 00000246
RAX: 1ffff1100fab461a RBX: 000000000000003c RCX: ffff888017a95a00
RDX: 0000000000000000 RSI: 000000000000003c RDI: 000000000000005a
RBP: 000000000000005a R08: ffffffff8b3b6cac R09: 1ffffffff203825d
R10: dffffc0000000000 R11: fffffbfff203825e R12: dffffc0000000000
R13: 000000000000000c R14: ffff88807d5a30d0 R15: 0000000000000005
FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557bf000f100 CR3: 000000007d7a2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_update_sta_info net/mac80211/ibss.c:989 [inline]
ieee80211_rx_bss_info net/mac80211/ibss.c:1098 [inline]
ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1579 [inline]
ieee80211_ibss_rx_queued_mgmt+0x11e1/0x2d70 net/mac80211/ibss.c:1606
ieee80211_iface_process_skb net/mac80211/iface.c:1588 [inline]
ieee80211_iface_work+0x8a5/0xf20 net/mac80211/iface.c:1642
cfg80211_wiphy_work+0x2db/0x490 net/wireless/core.c:440
process_one_work kernel/workqueue.c:3232 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3313
worker_thread+0x86d/0xd10 kernel/workqueue.c:3390
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