bisecting fixing commit since 4abf26854aade9732a215a168205fa9fecd6149a building syzkaller on 9af51e31617374d564a98084b3848045bc026a0f testing commit 4abf26854aade9732a215a168205fa9fecd6149a with gcc (GCC) 8.4.1 20210217 kernel signature: 6926b618d71a20d573608956b3bcadf7808570b4cb699feff3a31dd2ae3c73c6 all runs: crashed: possible deadlock in __sock_release testing current HEAD eb575cd5d7f60241d016fdd13a9e86d962093c9b testing commit eb575cd5d7f60241d016fdd13a9e86d962093c9b with gcc (GCC) 8.4.1 20210217 kernel signature: e9c68af53ef589cd0bb75fd49520ccc1988cdc0688d3d99790f85e905913085a all runs: crashed: possible deadlock in __sock_release revisions tested: 2, total time: 20m52.447544427s (build: 14m7.836092688s, test: 6m25.494516229s) the crash still happens on HEAD commit msg: Linux 4.19.195 crash: possible deadlock in __sock_release vhci_hcd: connection reset by peer vhci_hcd: stop threads Bluetooth: hci2: command 0x0419 tx timeout vhci_hcd: release socket ====================================================== WARNING: possible circular locking dependency detected 4.19.195-syzkaller #0 Not tainted ------------------------------------------------------ kworker/0:3/8306 is trying to acquire lock: 00000000fae48c0b (&sb->s_type->i_mutex_key#13){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] 00000000fae48c0b (&sb->s_type->i_mutex_key#13){+.+.}, at: __sock_release+0x7d/0x290 net/socket.c:578 but task is already holding lock: 0000000017fddccc ((delayed_fput_work).work){+.+.}, at: process_one_work+0x71b/0x15a0 kernel/workqueue.c:2128 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 ((delayed_fput_work).work){+.+.}: process_one_work+0x76c/0x15a0 kernel/workqueue.c:2129 worker_thread+0x85/0xb60 kernel/workqueue.c:2296 kthread+0x347/0x410 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 -> #2 ((wq_completion)"events"){+.+.}: flush_workqueue+0xf2/0x1350 kernel/workqueue.c:2661 flush_scheduled_work include/linux/workqueue.h:599 [inline] tipc_exit_net+0x37/0x60 net/tipc/core.c:100 ops_exit_list.isra.0+0x8b/0x120 net/core/net_namespace.c:153 cleanup_net+0x368/0x850 net/core/net_namespace.c:553 process_one_work+0x7b9/0x15a0 kernel/workqueue.c:2153 vhci_hcd: disconnect device worker_thread+0x85/0xb60 kernel/workqueue.c:2296 kthread+0x347/0x410 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 -> #1 (pernet_ops_rwsem){++++}: down_write+0x38/0x90 kernel/locking/rwsem.c:70 unregister_netdevice_notifier+0x79/0x320 net/core/dev.c:1708 bcm_release+0x86/0x500 net/can/bcm.c:1525 __sock_release+0xc2/0x290 net/socket.c:579 sock_close+0x10/0x20 net/socket.c:1140 __fput+0x249/0x7f0 fs/file_table.c:278 ____fput+0x9/0x10 fs/file_table.c:309 task_work_run+0x108/0x180 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x185/0x1e0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x413/0x4e0 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&sb->s_type->i_mutex_key#13){+.+.}: lock_acquire+0x180/0x3a0 kernel/locking/lockdep.c:3908 down_write+0x38/0x90 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:748 [inline] __sock_release+0x7d/0x290 net/socket.c:578 sock_close+0x10/0x20 net/socket.c:1140 __fput+0x249/0x7f0 fs/file_table.c:278 delayed_fput+0x4b/0x70 fs/file_table.c:304 process_one_work+0x7b9/0x15a0 kernel/workqueue.c:2153 worker_thread+0x85/0xb60 kernel/workqueue.c:2296 kthread+0x347/0x410 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 other info that might help us debug this: Chain exists of: &sb->s_type->i_mutex_key#13 --> (wq_completion)"events" --> (delayed_fput_work).work Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock((delayed_fput_work).work); lock((wq_completion)"events"); lock((delayed_fput_work).work); lock(&sb->s_type->i_mutex_key#13); *** DEADLOCK *** 2 locks held by kworker/0:3/8306: #0: 000000003b607c3c ((wq_completion)"events"){+.+.}, at: process_one_work+0x6e8/0x15a0 kernel/workqueue.c:2124 #1: 0000000017fddccc ((delayed_fput_work).work){+.+.}, at: process_one_work+0x71b/0x15a0 kernel/workqueue.c:2128 stack backtrace: CPU: 0 PID: 8306 Comm: kworker/0:3 Not tainted 4.19.195-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events delayed_fput Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x17c/0x226 lib/dump_stack.c:118 print_circular_bug.isra.17.cold.34+0x2e3/0x41e kernel/locking/lockdep.c:1222 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2420 [inline] __lock_acquire+0x35c2/0x47c0 kernel/locking/lockdep.c:3416 lock_acquire+0x180/0x3a0 kernel/locking/lockdep.c:3908 down_write+0x38/0x90 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:748 [inline] __sock_release+0x7d/0x290 net/socket.c:578 sock_close+0x10/0x20 net/socket.c:1140 __fput+0x249/0x7f0 fs/file_table.c:278 delayed_fput+0x4b/0x70 fs/file_table.c:304 process_one_work+0x7b9/0x15a0 kernel/workqueue.c:2153 worker_thread+0x85/0xb60 kernel/workqueue.c:2296 kthread+0x347/0x410 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ieee80211 phy14: Selected rate control algorithm 'minstrel_ht' IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready vhci_hcd: connection reset by peer wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 vhci_hcd: connection reset by peer wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 vhci_hcd: stop threads ieee80211 phy15: Selected rate control algorithm 'minstrel_ht' vhci_hcd: release socket IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready vhci_hcd: disconnect device IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready vhci_hcd: stop threads vhci_hcd: release socket IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 vhci_hcd: disconnect device wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached audit: type=1800 audit(1624421901.385:2): pid=9846 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=13907 res=0 vhci_hcd: vhci_device speed not set vhci_hcd: vhci_device speed not set vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: connection closed vhci_hcd: release socket usb 15-1: new full-speed USB device number 2 using vhci_hcd audit: type=1800 audit(1624421901.505:3): pid=9901 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=13920 res=0 vhci_hcd: vhci_device speed not set usb 9-1: new full-speed USB device number 2 using vhci_hcd vhci_hcd: sendmsg failed!, ret=-32 for 48 vhci_hcd: disconnect device vhci_hcd: stop threads vhci_hcd: release socket audit: type=1800 audit(1624421901.555:4): pid=9897 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.5" name="cgroup.controllers" dev="sda1" ino=13921 res=0 vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd: disconnect device usb 13-1: new full-speed USB device number 2 using vhci_hcd vhci_hcd: connection reset by peer vhci_hcd vhci_hcd.0: Device attached vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd vhci_hcd.0: Device attached vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: Device attached audit: type=1800 audit(1624421901.975:5): pid=9968 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.0" name="cgroup.controllers" dev="sda1" ino=13935 res=0 vhci_hcd: connection closed vhci_hcd: stop threads audit: type=1800 audit(1624421902.015:6): pid=9958 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="cgroup.controllers" dev="sda1" ino=13929 res=0 vhci_hcd: connection closed vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device audit: type=1800 audit(1624421902.175:7): pid=9973 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="cgroup.controllers" dev="sda1" ino=13940 res=0 vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: Device attached audit: type=1800 audit(1624421902.385:8): pid=9990 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=13907 res=0 vhci_hcd: connection reset by peer vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd vhci_hcd.0: Device attached vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device audit: type=1800 audit(1624421902.575:9): pid=9998 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=13917 res=0 vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) audit: type=1800 audit(1624421902.575:10): pid=10001 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.5" name="cgroup.controllers" dev="sda1" ino=13921 res=0 vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device audit: type=1800 audit(1624421902.955:11): pid=10019 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.0" name="cgroup.controllers" dev="sda1" ino=13935 res=0 vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd: connection closed vhci_hcd vhci_hcd.0: Device attached vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(11) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device usb 11-1: enqueue for inactive port 0 usb 11-1: enqueue for inactive port 0 vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: Device attached vhci_hcd: vhci_device speed not set vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd: connection closed vhci_hcd: stop threads usb 17-1: enqueue for inactive port 0 usb 17-1: enqueue for inactive port 0 vhci_hcd: release socket vhci_hcd vhci_hcd.0: Device attached vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd: stop threads usb 19-1: enqueue for inactive port 0 vhci_hcd: release socket usb 19-1: enqueue for inactive port 0 vhci_hcd: disconnect device vhci_hcd: vhci_device speed not set vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: vhci_device speed not set vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: vhci_device speed not set vhci_hcd vhci_hcd.0: Device attached vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket usb 11-1: enqueue for inactive port 0 usb 11-1: enqueue for inactive port 0 vhci_hcd: disconnect device usb 11-1: enqueue for inactive port 0 vhci_hcd: vhci_device speed not set vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd: vhci_device speed not set vhci_hcd: vhci_device speed not set vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached kauditd_printk_skb: 21 callbacks suppressed audit: type=1800 audit(1624421906.406:33): pid=10194 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=13921 res=0 vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached audit: type=1800 audit(1624421906.486:34): pid=10202 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.5" name="cgroup.controllers" dev="sda1" ino=13920 res=0 vhci_hcd: connection closed vhci_hcd: stop threads usb 15-1: enqueue for inactive port 0 usb 9-1: enqueue for inactive port 0 vhci_hcd: release socket vhci_hcd: disconnect device usb 9-1: enqueue for inactive port 0 usb 15-1: enqueue for inactive port 0 vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: unlink cleanup tx 1 vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd: vhci_device speed not set vhci_hcd vhci_hcd.0: Device attached vhci_hcd: vhci_device speed not set audit: type=1800 audit(1624421906.766:35): pid=10210 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.0" name="cgroup.controllers" dev="sda1" ino=13935 res=0 vhci_hcd: vhci_device speed not set audit: type=1800 audit(1624421906.816:36): pid=10214 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="cgroup.controllers" dev="sda1" ino=13929 res=0 vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: vhci_device speed not set vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd: vhci_device speed not set vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached usb 19-1: new full-speed USB device number 3 using vhci_hcd usb 19-1: enqueue for inactive port 0 audit: type=1800 audit(1624421907.126:37): pid=10234 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="cgroup.controllers" dev="sda1" ino=13907 res=0 usb 19-1: enqueue for inactive port 0 usb 19-1: enqueue for inactive port 0 audit: type=1800 audit(1624421907.206:38): pid=10227 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="cgroup.controllers" dev="sda1" ino=13940 res=0 vhci_hcd: vhci_device speed not set vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached audit: type=1800 audit(1624421907.446:39): pid=10247 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.4" name="cgroup.controllers" dev="sda1" ino=13921 res=0 vhci_hcd: vhci_device speed not set vhci_hcd: vhci_device speed not set vhci_hcd: connection closed vhci_hcd: stop threads audit: type=1800 audit(1624421907.586:40): pid=10248 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.5" name="cgroup.controllers" dev="sda1" ino=13920 res=0 vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: vhci_device speed not set vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd: release socket vhci_hcd vhci_hcd.0: Device attached vhci_hcd: disconnect device audit: type=1800 audit(1624421907.826:41): pid=10259 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.3" name="cgroup.controllers" dev="sda1" ino=13929 res=0 vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket audit: type=1800 audit(1624421907.896:42): pid=10263 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.0" name="cgroup.controllers" dev="sda1" ino=13935 res=0 vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: vhci_device speed not set vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: vhci_device speed not set vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: Device attached vhci_hcd: vhci_device speed not set vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: vhci_device speed not set vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: vhci_device speed not set vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device usb 17-1: new full-speed USB device number 3 using vhci_hcd usb 17-1: enqueue for inactive port 0 usb 17-1: enqueue for inactive port 0 usb 17-1: enqueue for inactive port 0 vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd: vhci_device speed not set vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: vhci_device speed not set vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: vhci_device speed not set vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device usb 15-1: new full-speed USB device number 3 using vhci_hcd usb 15-1: enqueue for inactive port 0 usb 15-1: enqueue for inactive port 0 usb 15-1: enqueue for inactive port 0 vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(11) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: vhci_device speed not set vhci_hcd: vhci_device speed not set usb 9-1: enqueue for inactive port 0 usb 9-1: enqueue for inactive port 0 usb 9-1: enqueue for inactive port 0 vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd: vhci_device speed not set vhci_hcd vhci_hcd.0: pdev(4) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: vhci_device speed not set vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: pdev(0) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: pdev(3) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: vhci_device speed not set vhci_hcd vhci_hcd.0: pdev(1) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: vhci_device speed not set vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd: disconnect device vhci_hcd: vhci_device speed not set vhci_hcd: connection closed vhci_hcd: stop threads vhci_hcd: release socket vhci_hcd vhci_hcd.0: pdev(2) rhport(0) sockfd(11) vhci_hcd: disconnect device vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached vhci_hcd vhci_hcd.0: pdev(5) rhport(0) sockfd(11) vhci_hcd vhci_hcd.0: devid(0) speed(2) speed_str(full-speed) vhci_hcd vhci_hcd.0: Device attached