INFO: task kworker/1:0:24 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:0 state:D stack:0 pid:24 tgid:24 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events reg_todo Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5533 [inline] __schedule+0x135c/0x2b00 kernel/sched/core.c:7284 __schedule_loop kernel/sched/core.c:7361 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7376 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7433 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x5d4/0x1078 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 class_wiphy_constructor include/net/cfg80211.h:6906 [inline] reg_process_self_managed_hints+0x90/0x1ac net/wireless/reg.c:3229 reg_todo+0x60c/0x6a4 net/wireless/reg.c:3242 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3479 worker_thread+0x798/0xbd0 kernel/workqueue.c:3560 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 INFO: task kworker/u8:9:3097 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:9 state:D stack:0 pid:3097 tgid:3097 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: netns cleanup_net Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5533 [inline] __schedule+0x135c/0x2b00 kernel/sched/core.c:7284 __schedule_loop kernel/sched/core.c:7361 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7376 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7433 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x5d4/0x1078 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 cangw_pernet_exit_batch+0x28/0x9c net/can/gw.c:1297 ops_exit_list net/core/net_namespace.c:206 [inline] ops_undo_list+0x434/0x81c net/core/net_namespace.c:253 cleanup_net+0x474/0x6c4 net/core/net_namespace.c:706 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3479 worker_thread+0x798/0xbd0 kernel/workqueue.c:3560 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 INFO: task kworker/u8:10:3209 blocked for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/u8:10 state:D stack:0 pid:3209 tgid:3209 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: events_power_efficient crda_timeout_work Call trace: __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5533 [inline] __schedule+0x135c/0x2b00 kernel/sched/core.c:7284 __schedule_loop kernel/sched/core.c:7361 [inline] schedule+0x13c/0x20c kernel/sched/core.c:7376 schedule_preempt_disabled+0x18/0x2c kernel/sched/core.c:7433 __mutex_lock_common kernel/locking/mutex.c:726 [inline] __mutex_lock+0x5d4/0x1078 kernel/locking/mutex.c:821 mutex_lock_nested+0x24/0x30 kernel/locking/mutex.c:874 rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 crda_timeout_work+0x20/0x90 net/wireless/reg.c:529 process_one_work kernel/workqueue.c:3396 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3479 worker_thread+0x798/0xbd0 kernel/workqueue.c:3560 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 Showing all locks held in the system: locks held by kworker/u8:1/13: 3, last CPU#1: #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479 #1: ffff80008f997c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #1: ffff80008f997c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479 #2: ffff0000f3bf0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline] #2: ffff0000f3bf0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:550 locks held by kworker/1:0/24: 4, on CPU#1: #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479 #1: ffff80008fa57c20 (reg_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #1: ffff80008fa57c20 (reg_work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479 #2: ffff80008ab049c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 #3: ffff0000f4c40800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline] #3: ffff0000f4c40800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: reg_process_self_managed_hints+0x90/0x1ac net/wireless/reg.c:3229 locks held by kworker/1:1/26: 3, on CPU#1: #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479 #1: ffff80008fa77c20 (deferred_process_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #1: ffff80008fa77c20 (deferred_process_work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479 #2: ffff80008ab049c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 locks held by khungtaskd/31: 1, last CPU#0: #0: ffff8000899e1820 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff8000899e1820 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff8000899e1820 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x4c/0x188 kernel/locking/lockdep.c:6871 locks held by kcompactd0/34: 1, last CPU#1: #0: ffff0000d6467bc8 (&anon_vma->rwsem){++++}-{4:4}, at: anon_vma_trylock_read mm/internal.h:315 [inline] #0: ffff0000d6467bc8 (&anon_vma->rwsem){++++}-{4:4}, at: rmap_walk_anon_lock mm/rmap.c:2997 [inline] #0: ffff0000d6467bc8 (&anon_vma->rwsem){++++}-{4:4}, at: rmap_walk_anon+0x148/0x77c mm/rmap.c:3039 locks held by kworker/u8:2/40: 3, last CPU#1: #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479 #1: ffff80008ff67c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #1: ffff80008ff67c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479 #2: ffff0000f43a0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline] #2: ffff0000f43a0800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:550 locks held by kworker/u8:3/42: 3, on CPU#0: #0: ffff0000ce9dc140 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #0: ffff0000ce9dc140 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479 #1: ffff80008ff87c20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #1: ffff80008ff87c20 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479 #2: ffff80008ab049c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 locks held by kworker/u8:5/1025: 3, last CPU#1: #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479 #1: ffff8000920b7c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #1: ffff8000920b7c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479 #2: ffff0000f3910800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline] #2: ffff0000f3910800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:550 locks held by kworker/u8:7/2043: 3, last CPU#1: #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479 #1: ffff800098687c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #1: ffff800098687c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479 #2: ffff0000f4240800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline] #2: ffff0000f4240800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:550 locks held by kworker/u8:8/3033: 3, last CPU#1: #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479 #1: ffff80009abf7c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #1: ffff80009abf7c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479 #2: ffff0000f4c40800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline] #2: ffff0000f4c40800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:550 locks held by kworker/u8:9/3097: 4, on CPU#0: #0: ffff0000c004e140 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #0: ffff0000c004e140 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479 #1: ffff80009a2a7c20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #1: ffff80009a2a7c20 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479 #2: ffff80008aaf7928 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0x104/0x6c4 net/core/net_namespace.c:677 #3: ffff80008ab049c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 locks held by kworker/u8:10/3209: 3, on CPU#0: #0: ffff0000c004b940 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #0: ffff0000c004b940 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479 #1: ffff80009a2e7c20 ((crda_timeout).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #1: ffff80009a2e7c20 ((crda_timeout).work){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479 #2: ffff80008ab049c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock+0x20/0x2c net/core/rtnetlink.c:80 locks held by kworker/u8:11/3298: 5, last CPU#1: #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479 #1: ffff8000991b7c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #1: ffff8000991b7c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479 #2: ffff0000f4160800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline] #2: ffff0000f4160800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:550 #3: ffff8000899e1820 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffff8000899e1820 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffff8000899e1820 (rcu_read_lock){....}-{1:3}, at: process_backlog+0x4ec/0x14e0 net/core/dev.c:6760 #4: ffff8000899e1820 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #4: ffff8000899e1820 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #4: ffff8000899e1820 (rcu_read_lock){....}-{1:3}, at: nf_hook include/linux/netfilter.h:249 [inline] #4: ffff8000899e1820 (rcu_read_lock){....}-{1:3}, at: NF_HOOK+0xb4/0x398 include/linux/netfilter.h:323 locks held by kworker/u8:13/3783: 3, last CPU#1: #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #0: ffff0000c004c140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479 #1: ffff8000982d7c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #1: ffff8000982d7c20 ((work_completion)(&rdev->wiphy_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479 #2: ffff0000f3830800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: class_wiphy_constructor include/net/cfg80211.h:6906 [inline] #2: ffff0000f3830800 (&rdev->wiphy.mtx){+.+.}-{4:4}, at: cfg80211_wiphy_work+0xd0/0x464 net/wireless/core.c:550 locks held by klogd/4363: 1, last CPU#1: #0: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #0: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305 locks held by udevd/4374: 2, last CPU#1: #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:305 [inline] #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline] #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_path_perm+0x208/0x460 security/tomoyo/file.c:826 #1: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #1: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305 locks held by dhcpcd/4430: 1, last CPU#1: #0: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #0: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305 locks held by dhcpcd/4431: 3, last CPU#1: #0: ffff0000c7ae1800 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:562 [inline] #0: ffff0000c7ae1800 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x138/0x19a8 mm/mmap.c:1716 #1: ffff0000d3c38d80 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:552 [inline] #1: ffff0000d3c38d80 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x1fc/0x19a8 mm/mmap.c:1723 #2: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #2: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305 locks held by crond/4506: 2, last CPU#1: #0: ffff0000d0d6cc00 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: inode_lock_shared include/linux/fs.h:1039 [inline] #0: ffff0000d0d6cc00 (&type->i_mutex_dir_key#3){++++}-{4:4}, at: lookup_open+0x1bc/0x1180 fs/namei.c:4489 #1: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #1: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305 locks held by getty/4523: 2, on CPU#0: #0: ffff0000d19720a0 (&tty->ldisc_sem){++++}-{0:0}, at: ldsem_down_read+0x3c/0x4c drivers/tty/tty_ldsem.c:340 #1: ffff8000931eb2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x348/0xf78 drivers/tty/n_tty.c:2211 locks held by udevd/4731: 2, last CPU#1: #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:305 [inline] #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline] #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_check_open_permission+0x190/0x394 security/tomoyo/file.c:772 #1: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #1: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305 locks held by syz-executor/4741: 4, last CPU#1: #0: ffff0000cdcc4460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:527 #1: ffff0000c5b0e308 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1069 [inline] #1: ffff0000c5b0e308 (&type->i_mutex_dir_key#5/1){+.+.}-{4:4}, at: __start_dirop+0xa0/0xf4 fs/namei.c:2947 #2: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #2: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:305 [inline] #2: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline] #2: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_path_perm+0x208/0x460 security/tomoyo/file.c:826 #3: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #3: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305 locks held by syz-executor/4748: 3, last CPU#1: #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:305 [inline] #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline] #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_check_open_permission+0x190/0x394 security/tomoyo/file.c:772 #1: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #1: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305 #2: ffff8000899e1820 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #2: ffff8000899e1820 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffff8000899e1820 (rcu_read_lock){....}-{1:3}, at: __page_table_check_zero+0x98/0x40c mm/page_table_check.c:138 locks held by syz-executor/4753: 2, last CPU#1: #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:305 [inline] #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_read_lock security/tomoyo/common.h:1112 [inline] #0: ffff800089d32038 (tomoyo_ss){.+.+}-{0:0}, at: tomoyo_path_number_perm+0x1e0/0x500 security/tomoyo/file.c:727 #1: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #1: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305 locks held by kworker/1:4/4833: 4, last CPU#1: #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3479 #1: ffff800095407c20 ((work_completion)(&ht->run_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3371 [inline] #1: ffff800095407c20 ((work_completion)(&ht->run_work)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3479 #2: ffff0000d5901828 (&ht->mutex#11){+.+.}-{4:4}, at: rht_deferred_worker+0x48/0x1b78 lib/rhashtable.c:433 #3: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #3: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305 locks held by syz-executor/5368: 1, last CPU#1: #0: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:198 [inline] #0: ffff800089b02bb0 (remove_cache_srcu){.+.+}-{0:0}, at: srcu_read_lock+0x48/0x64 include/linux/srcu.h:305 =============================================