rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P7937/1:b..l P29/2:b..l P7720/1:b..l P5791/1:b..l P7918/1:b..l
rcu: (detected by 1, t=10502 jiffies, g=25381, q=287 ncpus=2)
task:syz-executor state:R running task stack:23520 pid:7918 tgid:7918 ppid:7907 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1553/0x5240 kernel/sched/core.c:6908
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7235
irqentry_exit+0x599/0x620 kernel/entry/common.c:239
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:rcu_is_watching+0x67/0xb0 kernel/rcu/tree.c:753
Code: 89 f7 e8 ac 0b 81 00 48 c7 c3 18 4f 4f 92 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 34 8b 03 65 ff 0d 79 b9 a4 10 <74> 11 83 e0 04 c1 e8 02 5b 41 5e 41 5f e9 d7 bb 7c 09 cc e8 61 f7
RSP: 0018:ffffc90004c76a58 EFLAGS: 00000286
RAX: 00000000003bf7bc RBX: ffff8880b8833f18 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8ba65e60 RDI: ffffffff8ba65e20
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1ed4617 R12: dffffc0000000000
R13: ffff888019c4f1d8 R14: ffffffff8d801790 R15: dffffc0000000000
rcu_read_unlock include/linux/rcupdate.h:879 [inline]
class_rcu_destructor include/linux/rcupdate.h:1193 [inline]
kernfs_root+0x14e/0x230 fs/kernfs/kernfs-internal.h:80
kernfs_next_descendant_post fs/kernfs/dir.c:1378 [inline]
kernfs_activate fs/kernfs/dir.c:1433 [inline]
kernfs_add_one+0x2e1/0x5c0 fs/kernfs/dir.c:839
__kernfs_create_file+0x22b/0x2e0 fs/kernfs/file.c:1086
sysfs_add_file_mode_ns+0x238/0x300 fs/sysfs/file.c:313
create_files fs/sysfs/group.c:82 [inline]
internal_create_group+0x673/0x1180 fs/sysfs/group.c:189
internal_create_groups fs/sysfs/group.c:229 [inline]
sysfs_create_groups+0x59/0x120 fs/sysfs/group.c:255
device_add_groups drivers/base/core.c:2836 [inline]
device_add_attrs+0xdd/0x5b0 drivers/base/core.c:2900
device_add+0x496/0xb80 drivers/base/core.c:3643
netdev_register_kobject+0x178/0x310 net/core/net-sysfs.c:2358
register_netdevice+0x12d7/0x1d10 net/core/dev.c:11424
ip6gre_newlink_common+0x403/0x5b0 net/ipv6/ip6_gre.c:1965
ip6gre_newlink+0x228/0x350 net/ipv6/ip6_gre.c:1998
rtnl_newlink_create+0x329/0xb70 net/core/rtnetlink.c:3840
__rtnl_newlink net/core/rtnetlink.c:3957 [inline]
rtnl_newlink+0x1666/0x1be0 net/core/rtnetlink.c:4072
rtnetlink_rcv_msg+0x7d5/0xbe0 net/core/rtnetlink.c:6958
netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
netlink_unicast+0x831/0x9f0 net/netlink/af_netlink.c:1344
netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
sock_sendmsg_nosec net/socket.c:727 [inline]
__sock_sendmsg net/socket.c:742 [inline]
__sys_sendto+0x67f/0x710 net/socket.c:2206
__do_sys_sendto net/socket.c:2213 [inline]
__se_sys_sendto net/socket.c:2209 [inline]
__x64_sys_sendto+0xde/0x100 net/socket.c:2209
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f969419cfce
RSP: 002b:00007ffcea202028 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000055557f638500 RCX: 00007f969419cfce
RDX: 0000000000000054 RSI: 00007f9694f84670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffcea2020a4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f9694f84670 R15: 0000000000000000
task:syz-executor state:R running task stack:22432 pid:5791 tgid:5791 ppid:5790 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1553/0x5240 kernel/sched/core.c:6908
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7235
irqentry_exit+0x599/0x620 kernel/entry/common.c:239
asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:kasan_check_range+0x1ca/0x2c0 mm/kasan/generic.c:200
Code: dc 4d 01 f3 49 8d 5c 24 07 4d 85 e4 49 0f 49 dc 48 83 e3 f8 49 29 dc 74 0e 41 80 3b 00 75 7c 49 ff c3 49 ff cc 75 f2 5b 41 5c <41> 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 45 84 ff 0f 85 a1 00 00 00
RSP: 0018:ffffc900045e75a0 EFLAGS: 00000256
RAX: ffffffff81ff7f01 RBX: 0000000000004092 RCX: ffffffff81ff7f7b
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea000201d1c0
RBP: 1ffffd4000403a39 R08: ffffea000201d1c7 R09: 1ffffd4000403a38
R10: dffffc0000000000 R11: fffff94000403a39 R12: 0000000000000000
R13: 1ffffd4000403a38 R14: fffff94000403a39 R15: 1ffffd4000403a38
instrument_atomic_read include/linux/instrumented.h:82 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
folio_test_swapcache include/linux/page-flags.h:634 [inline]
folio_contains+0xeb/0x2b0 include/linux/pagemap.h:997
find_lock_entries+0x7c5/0xa90 mm/filemap.c:2189
shmem_undo_range+0x2d6/0x1660 mm/shmem.c:1131
shmem_truncate_range mm/shmem.c:1277 [inline]
shmem_evict_inode+0x240/0x9e0 mm/shmem.c:1407
evict+0x61e/0xb10 fs/inode.c:846
filename_unlinkat+0x445/0x610 fs/namei.c:5544
__do_sys_unlink fs/namei.c:5575 [inline]
__se_sys_unlink+0x2e/0x140 fs/namei.c:5572
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f81bd1eb887
RSP: 002b:00007ffc24e13508 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f81bd1eb887
RDX: 00007ffc24e13530 RSI: 00007ffc24e135c0 RDI: 00007ffc24e135c0
RBP: 00007ffc24e135c0 R08: 00007ffc24e145c0 R09: 00000000ffffffff
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffc24e14650
R13: 00007f81bd282050 R14: 000000000005fa1c R15: 00007ffc24e14690
task:kworker/u8:17 state:R running task stack:23256 pid:7720 tgid:7720 ppid:2 task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound nsim_dev_trap_report_work
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1553/0x5240 kernel/sched/core.c:6908
preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7092
preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
_raw_spin_unlock_irqrestore+0x74/0x80 kernel/locking/spinlock.c:194
__debug_check_no_obj_freed lib/debugobjects.c:1125 [inline]
debug_check_no_obj_freed+0x52e/0x550 lib/debugobjects.c:1146
slab_free_hook mm/slub.c:2623 [inline]
slab_free mm/slub.c:6168 [inline]
kmem_cache_free+0xff/0x6b0 mm/slub.c:6298
nsim_dev_trap_report drivers/net/netdevsim/dev.c:892 [inline]
nsim_dev_trap_report_work+0x7fa/0xbc0 drivers/net/netdevsim/dev.c:922
process_one_work kernel/workqueue.c:3275 [inline]
process_scheduled_works+0xb02/0x1830 kernel/workqueue.c:3358
worker_thread+0xa50/0xfc0 kernel/workqueue.c:3439
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:ktimers/1 state:R running task stack:23344 pid:29 tgid:29 ppid:2 task_flags:0x4208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1553/0x5240 kernel/sched/core.c:6908
preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7092
preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
class_preempt_destructor include/linux/preempt.h:468 [inline]
raw_spin_unlock_irqrestore_wake include/linux/sched/wake_q.h:102 [inline]
rtlock_slowlock kernel/locking/rtmutex.c:1896 [inline]
rtlock_lock kernel/locking/spinlock_rt.c:43 [inline]
__rt_spin_lock kernel/locking/spinlock_rt.c:49 [inline]
rt_spin_lock+0x316/0x400 kernel/locking/spinlock_rt.c:57
spin_lock include/linux/spinlock_rt.h:45 [inline]
class_spinlock_irqsave_constructor include/linux/spinlock.h:618 [inline]
snd_seq_timer_get_cur_time+0x8d/0x360 sound/core/seq/seq_timer.c:414
snd_seq_check_queue+0x2e2/0x580 sound/core/seq/seq_queue.c:262
snd_timer_process_callbacks sound/core/timer.c:785 [inline]
snd_timer_interrupt+0x10a8/0x1360 sound/core/timer.c:901
snd_hrtimer_callback+0x213/0x3a0 sound/core/hrtimer.c:51
__run_hrtimer kernel/time/hrtimer.c:1785 [inline]
__hrtimer_run_queues+0x55f/0xda0 kernel/time/hrtimer.c:1849
hrtimer_run_softirq+0x192/0x5d0 kernel/time/hrtimer.c:1866
handle_softirqs+0x1de/0x6f0 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
run_ktimerd+0x69/0x100 kernel/softirq.c:1138
smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:syz.4.415 state:R running task stack:22488 pid:7937 tgid:7937 ppid:5791 task_flags:0x400640 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1553/0x5240 kernel/sched/core.c:6908
preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7235
irqentry_exit+0x599/0x620 kernel/entry/common.c:239
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_acquire+0x20b/0x2e0 kernel/locking/lockdep.c:5872
Code: e9 30 ff ff ff e8 85 3d 82 09 f7 c3 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 f1 fa ad 10 48 3b 44 24 30 75 33 fb 48 83 c4 38 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 56 fd 85 09 cc 48 8d 3d 5e 3e cd
RSP: 0018:ffffc900050ce8e0 EFLAGS: 00000292
RAX: 3bd12b42a1999a00 RBX: 0000000000000246 RCX: 0000000000000046
RDX: 000000002b53cda5 RSI: ffffffff8d7bb822 RDI: ffffffff8ba65e80
RBP: 0000000000000000 R08: ffffffff8b24a1d0 R09: ffffffff8ddcb880
R10: dffffc0000000000 R11: fffffbfff1ed4617 R12: 0000000000000002
R13: ffffffff8ddcb880 R14: 0000000000000000 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:312 [inline]
rcu_read_lock include/linux/rcupdate.h:850 [inline]
__rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline]
rt_spin_lock+0x1fc/0x400 kernel/locking/spinlock_rt.c:57
spin_lock include/linux/spinlock_rt.h:45 [inline]
pmd_lock+0x7c/0x90 include/linux/mm.h:3627
follow_pmd_mask mm/gup.c:920 [inline]
follow_pud_mask mm/gup.c:967 [inline]
follow_p4d_mask mm/gup.c:984 [inline]
follow_page_mask mm/gup.c:1023 [inline]
__get_user_pages+0x171e/0x2800 mm/gup.c:1426
__get_user_pages_locked mm/gup.c:1692 [inline]
get_dump_page+0x1b5/0x410 mm/gup.c:2192
dump_user_range+0x20a/0x12d0 fs/coredump.c:1367
elf_core_dump+0x34c2/0x3ad0 fs/binfmt_elf.c:2110
coredump_write+0x1221/0x1920 fs/coredump.c:1050
do_coredump fs/coredump.c:1127 [inline]
vfs_coredump+0x36af/0x4280 fs/coredump.c:1201
get_signal+0x10d7/0x1310 kernel/signal.c:3019
arch_do_signal_or_restart+0xbc/0x830 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:64 [inline]
exit_to_user_mode_loop kernel/entry/common.c:98 [inline]
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline]
irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:270 [inline]
irqentry_exit_to_user_mode include/linux/irq-entry-common.h:339 [inline]
irqentry_exit+0x176/0x620 kernel/entry/common.c:219
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f81bd1ec7a1
RSP: 002b:fffffffffffffe70 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f81bd466180 RCX: 00007f81bd1ec799
RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000
RBP: 00007f81bd282c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f81bd466218 R14: 00007f81bd466180 R15: 00007ffc24e14298
rcu: rcu_preempt kthread starved for 10502 jiffies! g25381 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:27560 pid:18 tgid:18 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5295 [inline]
__schedule+0x1553/0x5240 kernel/sched/core.c:6908
__schedule_loop kernel/sched/core.c:6990 [inline]
schedule+0x164/0x360 kernel/sched/core.c:7005
schedule_timeout+0x158/0x2c0 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x312/0x11d0 kernel/rcu/tree.c:2095
rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2297
kthread+0x388/0x470 kernel/kthread.c:436
ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026
RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:63
Code: ce 5d 02 e9 13 c4 03 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 53 1c 27 00 fb f4 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
RSP: 0018:ffffffff8da07dc0 EFLAGS: 00000242
RAX: 00000000006b76b3 RBX: ffffffff81994bed RCX: 0000000080000001
RDX: 0000000000000001 RSI: ffffffff8d55f1ba RDI: ffffffff8ba65e80
RBP: ffffffff8da07eb0 R08: ffff8880b8833f1b R09: 1ffff110171067e3
R10: dffffc0000000000 R11: ffffed10171067e4 R12: ffffffff8f6a30b0
R13: 1ffffffff1b605d8 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff88812633f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe85e79658 CR3: 000000005bf12000 CR4: 00000000003526f0
Call Trace:
arch_safe_halt arch/x86/kernel/process.c:766 [inline]
default_idle+0x9/0x20 arch/x86/kernel/process.c:767
default_idle_call+0x72/0xb0 kernel/sched/idle.c:122
cpuidle_idle_call kernel/sched/idle.c:191 [inline]
do_idle+0x1bd/0x500 kernel/sched/idle.c:332
cpu_startup_entry+0x43/0x60 kernel/sched/idle.c:430
rest_init+0x2de/0x300 init/main.c:760
start_kernel+0x385/0x3d0 init/main.c:1210
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x143/0x1c0 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x147
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 284s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=12 refcnt=13
pending: 5*nsim_dev_hwstats_traffic_work, ovs_dp_masks_rebalance, psi_avgs_work, 3*ovs_dp_masks_rebalance, rht_deferred_worker, vmstat_shepherd
pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=12 refcnt=13
pending: 2*release_one_tty, 2*nsim_dev_hwstats_traffic_work, psi_avgs_work, 3*ovs_dp_masks_rebalance, 2*psi_avgs_work, switchdev_deferred_process_work, rht_deferred_worker
workqueue events_long: flags=0x100
pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=10 refcnt=11
pending: 6*defense_work_handler, br_multicast_gc_work, 3*br_fdb_cleanup
pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=5 refcnt=6
pending: 3*defense_work_handler, br_multicast_gc_work, br_fdb_cleanup
workqueue events_unbound: flags=0x2
pwq 8: cpus=0-1 flags=0x4 nice=0 active=16 refcnt=17
in-flight: 7720:nsim_dev_trap_report_work
pending: 4*nsim_dev_trap_report_work, toggle_allocation_gate, 2*nsim_dev_trap_report_work, 6*cfg80211_wiphy_work, 2*idle_cull_fn
pwq 8: cpus=0-1 flags=0x4 nice=0 active=10 refcnt=11
pending: crng_reseed, flush_memcg_stats_dwork, 3*idle_cull_fn, 5*macvlan_process_broadcast
workqueue events_freezable: flags=0x104
pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
pending: update_balloon_stats_func
workqueue events_power_efficient: flags=0x180
pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=6 refcnt=7
pending: gc_worker, 2*neigh_managed_work, 2*neigh_periodic_work, check_lifetime
pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=6 refcnt=7
pending: wg_ratelimiter_gc_entries, do_cache_clean, 4*check_lifetime
workqueue kvfree_rcu_reclaim: flags=0xa
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
pending: kfree_rcu_monitor
pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3
pending: kfree_rcu_work, kfree_rcu_monitor
workqueue netns: flags=0x6000a
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=5
in-flight: 1013:cleanup_net
inactive: cleanup_net
workqueue mm_percpu_wq: flags=0x108
pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
pending: vmstat_update
pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
pending: vmstat_update
workqueue writeback: flags=0x4a
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
pending: wb_workfn
workqueue kblockd: flags=0x18
pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=1 refcnt=2
pending: blk_mq_timeout_work
workqueue gid-cache-wq: flags=0x20002
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4
pending: update_gid_event_work_handler
workqueue mld: flags=0x40108
pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
pending: mld_ifc_work
workqueue ipv6_addrconf: flags=0x6000a
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=8
in-flight: 41:addrconf_dad_work
inactive: 4*addrconf_verify_work
workqueue krxrpcd: flags=0x2001a
pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=10
pending: rxrpc_peer_keepalive_worker
inactive: 6*rxrpc_peer_keepalive_worker
workqueue bat_events: flags=0x6000a
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=50
pending: batadv_mcast_mla_update
inactive: 5*batadv_mcast_mla_update, 6*batadv_iv_send_outstanding_bat_ogm_packet, batadv_bla_periodic_work, batadv_iv_send_outstanding_bat_ogm_packet, batadv_dat_purge, 6*batadv_iv_send_outstanding_bat_ogm_packet, 6*batadv_purge_orig, 4*batadv_iv_send_outstanding_bat_ogm_packet, 6*batadv_tt_purge, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 2*batadv_dat_purge, 2*batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work
workqueue wg-kex-wg0: flags=0x6
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_worker
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
pending: wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x6
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_worker
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_worker
workqueue wg-kex-wg0: flags=0x6
pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3
pending: 2*wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
pending: wg_packet_tx_worker
workqueue wg-kex-wg2: flags=0x6
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_worker
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_worker
workqueue wg-kex-wg1: flags=0x6
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_worker
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_worker
workqueue wg-kex-wg2: flags=0x6
pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3
pending: 2*wg_packet_handshake_send_worker
workqueue wg-kex-wg0: flags=0x6
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_worker
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_worker
workqueue wg-crypt-wg0: flags=0x128
pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
pending: wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x6
pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3
pending: 2*wg_packet_handshake_send_worker
workqueue wg-kex-wg2: flags=0x6
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_worker
pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_worker
workqueue hci1: flags=0x20012
pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4
pending: hci_conn_timeout
workqueue hci4: flags=0x20012
pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4
pending: hci_conn_timeout
pool 8: cpus=0-1 flags=0x4 nice=0 hung=285s workers=18 idle: 2135 6159 12 94 49 1118 13 5952 157 5921 5951 5953 1112 67 5999
Showing backtraces of running workers in stalled CPU-bound worker pools: