request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... INFO: task syz-executor.2:32075 blocked for more than 140 seconds. __request_module: 9829 callbacks suppressed request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now __request_module: 456 callbacks suppressed request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... Not tainted 4.14.114+ #63 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.2 D28808 32075 6079 0x00000004 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_timeout+0x736/0xe80 kernel/time/timer.c:1721 do_wait_for_common kernel/sched/completion.c:91 [inline] __wait_for_common kernel/sched/completion.c:112 [inline] wait_for_common+0x29c/0x470 kernel/sched/completion.c:123 __wait_rcu_gp+0x235/0x2f0 kernel/rcu/update.c:413 synchronize_sched+0x150/0x1e0 kernel/rcu/tree.c:3241 tracepoint_synchronize_unregister include/linux/tracepoint.h:80 [inline] perf_trace_event_unreg.isra.0+0xae/0x1d0 kernel/trace/trace_event_perf.c:161 perf_trace_destroy+0xba/0x100 kernel/trace/trace_event_perf.c:236 _free_event+0x293/0xaf0 kernel/events/core.c:4243 put_event+0x20/0x30 kernel/events/core.c:4329 perf_event_release_kernel+0x383/0x870 kernel/events/core.c:4430 perf_release+0x33/0x40 kernel/events/core.c:4440 __fput+0x25e/0x700 fs/file_table.c:210 task_work_run+0x118/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x13b/0x160 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:267 [inline] do_syscall_64+0x372/0x4b0 arch/x86/entry/common.c:294 INFO: task syz-executor.0:2436 blocked for more than 140 seconds. Not tainted 4.14.114+ #63 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D29984 2436 1851 0x00000004 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3498 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x559/0x1430 kernel/locking/mutex.c:893 perf_trace_init+0x4f/0xa60 kernel/trace/trace_event_perf.c:216 perf_tp_event_init+0x79/0xf0 kernel/events/core.c:8111 perf_try_init_event+0x167/0x200 kernel/events/core.c:9347 perf_init_event kernel/events/core.c:9385 [inline] perf_event_alloc.part.0+0xcc5/0x1e70 kernel/events/core.c:9645 Showing all locks held in the system: 1 lock held by khungtaskd/23: #0: (tasklist_lock){.+.+}, at: [<00000000324ee141>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4541 2 locks held by getty/1756: #0: (&tty->ldisc_sem){++++}, at: [<00000000b0fe4b8f>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000469beacd>] n_tty_read+0x1f7/0x1700 drivers/tty/n_tty.c:2156 2 locks held by kworker/u4:3/1861: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:4/1961: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 1 lock held by syz-executor.4/4234: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 2 locks held by kworker/u4:7/5042: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 1 lock held by syz-executor.0/7569: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 1 lock held by syz-executor.0/7581: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 2 locks held by kworker/u4:0/20665: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:1/20668: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:2/21283: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:5/21285: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:6/21289: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:8/21293: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:9/23597: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:10/23600: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:11/23602: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:12/23611: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:13/23614: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:14/23619: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:15/23629: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:16/23631: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:17/23633: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 1 lock held by syz-executor.4/28162: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 1 lock held by syz-executor.4/32207: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 2 locks held by kworker/u4:18/32736: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 3 locks held by syz-executor.0/2234: #0: (&bdev->bd_mutex){+.+.}, at: [<00000000ea2c4833>] __blkdev_put+0xb1/0x6d0 fs/block_dev.c:1778 #1: (loop_index_mutex){+.+.}, at: [<00000000924e170c>] lo_release+0x19/0x190 drivers/block/loop.c:1667 #2: (loop_ctl_mutex#2){+.+.}, at: [<000000000c409395>] __lo_release drivers/block/loop.c:1644 [inline] #2: (loop_ctl_mutex#2){+.+.}, at: [<000000000c409395>] lo_release+0x78/0x190 drivers/block/loop.c:1668 1 lock held by syz-executor.4/4293: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 1 lock held by syz-executor.0/4634: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 1 lock held by syz-executor.0/4639: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 2 locks held by kworker/u4:19/9854: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 1 lock held by syz-executor.0/11996: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 2 locks held by kworker/u4:20/13651: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:21/13833: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:22/13836: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:23/13838: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 1 lock held by syz-executor.2/15389: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 3 locks held by syz-executor.4/16140: #0: (&ctx->mutex){+.+.}, at: [<0000000072e541fb>] perf_event_release_kernel+0x1f2/0x870 kernel/events/core.c:4401 #1: (&event->child_mutex){+.+.}, at: [<00000000a5a5ab5b>] perf_event_release_kernel+0x1fc/0x870 kernel/events/core.c:4402 #2: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 2 locks held by kworker/u4:24/20515: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:25/20518: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:26/20535: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:27/20551: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:28/20554: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:29/20559: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:30/20569: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:31/20572: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 1 lock held by syz-executor.4/20948: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 1 lock held by syz-executor.4/20983: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 1 lock held by syz-executor.2/24146: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 3 locks held by syz-executor.4/24868: #0: (&ctx->mutex){+.+.}, at: [<0000000072e541fb>] perf_event_release_kernel+0x1f2/0x870 kernel/events/core.c:4401 #1: (&event->child_mutex){+.+.}, at: [<00000000a5a5ab5b>] perf_event_release_kernel+0x1fc/0x870 kernel/events/core.c:4402 #2: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 1 lock held by syz-executor.2/25123: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 1 lock held by syz-executor.2/25129: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 2 locks held by kworker/u4:32/25568: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:33/25576: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:34/25579: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:35/25603: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 1 lock held by syz-executor.2/26194: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 1 lock held by syz-executor.4/26972: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 1 lock held by syz-executor.4/27011: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 2 locks held by kworker/u4:36/27287: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:37/27321: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:38/27345: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:39/27352: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:40/27386: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:41/27408: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:42/27413: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:43/27422: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:44/27460: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:45/27478: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:46/27503: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:47/27528: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:48/27551: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by kworker/u4:49/27573: #0: ("events_unbound"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: ((&sub_info->work)){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 1 lock held by syz-executor.2/32075: #0: (event_mutex){+.+.}, at: [<0000000036e218b2>] perf_trace_destroy+0x23/0x100 kernel/trace/trace_event_perf.c:234 2 locks held by syz-executor.4/32286: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 3 locks held by syz-executor.0/2436: #0: (&sig->cred_guard_mutex){+.+.}, at: [<000000004ace13b6>] SYSC_perf_event_open kernel/events/core.c:10085 [inline] #0: (&sig->cred_guard_mutex){+.+.}, at: [<000000004ace13b6>] SyS_perf_event_open+0x12f6/0x2520 kernel/events/core.c:9988 #1: (&pmus_srcu){....}, at: [<0000000042438035>] perf_event_alloc.part.0+0xadd/0x1e70 kernel/events/core.c:9639 #2: (event_mutex){+.+.}, at: [<00000000a4601835>] perf_trace_init+0x4f/0xa60 kernel/trace/trace_event_perf.c:216 2 locks held by kworker/1:4/12970: #0: ("events"){+.+.}, at: [<00000000e1deb1f8>] process_one_work+0x6e5/0x1510 kernel/workqueue.c:2105 #1: (key_gc_work){+.+.}, at: [<000000000246ef73>] process_one_work+0x71b/0x1510 kernel/workqueue.c:2109 2 locks held by getty/17953: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by getty/17955: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 1 lock held by modprobe/18178: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:158 1 lock held by modprobe/18180: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:158 1 lock held by modprobe/18185: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:158 1 lock held by modprobe/18186: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:158 1 lock held by modprobe/18190: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:158 1 lock held by modprobe/18191: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:158 2 locks held by modprobe/18192: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18193: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18194: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18195: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 1 lock held by modprobe/18196: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:158 2 locks held by modprobe/18197: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 1 lock held by modprobe/18198: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000486ede51>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:158 2 locks held by modprobe/18199: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18200: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18201: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18203: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18204: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18205: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18206: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18208: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18209: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18210: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18214: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18215: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18216: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18218: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18219: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18220: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18221: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18223: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18224: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18225: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18227: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18228: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18229: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18231: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18233: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18234: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18236: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18239: #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:316 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] __blocking_notifier_call_chain kernel/notifier.c:304 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain kernel/notifier.c:328 [inline] #0: ((task_exit_notifier).rwsem){++++}, at: [<00000000c5144d38>] blocking_notifier_call_chain+0x63/0x90 kernel/notifier.c:325 #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier drivers/misc/uid_sys_stats.c:633 [inline] #1: (uid_lock){+.+.}, at: [<00000000935225f3>] process_notifier+0x84/0x633 drivers/misc/uid_sys_stats.c:622 2 locks held by modprobe/18240: #0: (&mm->mmap_sem){++++}, at: [<000000008b2700e1>] vm_mmap_pgoff+0x147/0x1c0 mm/util.c:331 #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000000a6daea7>] i_mmap_lock_write include/linux/fs.h:470 [inline] #1: (&mapping->i_mmap_rwsem){++++}, at: [<000000000a6daea7>] vma_link+0x92/0x160 mm/mmap.c:613 ============================================= __request_module: 10680 callbacks suppressed request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now request_module: modprobe net-pf-3 cannot be processed, kmod busy with 50 threads for more than 5 seconds now __request_module: 10871 callbacks suppressed request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling... request_module: kmod_concurrent_max (0) close to 0 (max_modprobes: 50), for module net-pf-3, throttling...