====================================================== WARNING: possible circular locking dependency detected 4.20.0-rc6-next-20181217+ #172 Not tainted ------------------------------------------------------ syz-executor0/8481 is trying to acquire lock: 0000000097b04ba7 (&tbl->lock){+.-.}, at: neigh_change_state+0x1dc/0x7a0 net/core/neighbour.c:141 but task is already holding lock: 00000000dac43ac2 (&n->lock){++--}, at: __neigh_update+0xe6/0x1eb0 net/core/neighbour.c:1203 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&n->lock){++--}: __raw_write_lock include/linux/rwlock_api_smp.h:210 [inline] _raw_write_lock+0x2d/0x40 kernel/locking/spinlock.c:288 neigh_periodic_work+0x3c0/0xc30 net/core/neighbour.c:894 process_one_work+0xc90/0x1c40 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x440 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 -> #0 (&tbl->lock){+.-.}: lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3841 __raw_write_lock_bh include/linux/rwlock_api_smp.h:203 [inline] _raw_write_lock_bh+0x31/0x40 kernel/locking/spinlock.c:312 neigh_change_state+0x1dc/0x7a0 net/core/neighbour.c:141 __neigh_update+0x478/0x1eb0 net/core/neighbour.c:1302 neigh_update+0x37/0x50 net/core/neighbour.c:1372 arp_req_set+0x54c/0xaa0 net/ipv4/arp.c:1072 arp_ioctl+0x48b/0xae0 net/ipv4/arp.c:1230 inet_ioctl+0x237/0x360 net/ipv4/af_inet.c:932 sock_do_ioctl+0xeb/0x420 net/socket.c:951 sock_ioctl+0x313/0x690 net/socket.c:1075 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0x1de/0x1790 fs/ioctl.c:696 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&n->lock); lock(&tbl->lock); lock(&n->lock); lock(&tbl->lock); *** DEADLOCK *** 2 locks held by syz-executor0/8481: #0: 00000000aa629ecb (rtnl_mutex){+.+.}, at: rtnl_lock+0x17/0x20 net/core/rtnetlink.c:77 #1: 00000000dac43ac2 (&n->lock){++--}, at: __neigh_update+0xe6/0x1eb0 net/core/neighbour.c:1203 stack backtrace: CPU: 1 PID: 8481 Comm: syz-executor0 Not tainted 4.20.0-rc6-next-20181217+ #172 kobject: 'loop3' (00000000821a20a2): kobject_uevent_env Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x244/0x39d lib/dump_stack.c:113 kobject: 'loop2' (000000004692e3c8): kobject_uevent_env kobject: 'loop2' (000000004692e3c8): fill_kobj_path: path = '/devices/virtual/block/loop2' print_circular_bug.isra.36.cold.58+0x1bd/0x27d kernel/locking/lockdep.c:1224 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2350 [inline] __lock_acquire+0x3399/0x4c20 kernel/locking/lockdep.c:3338 lock_acquire+0x1ed/0x520 kernel/locking/lockdep.c:3841 __raw_write_lock_bh include/linux/rwlock_api_smp.h:203 [inline] _raw_write_lock_bh+0x31/0x40 kernel/locking/spinlock.c:312 neigh_change_state+0x1dc/0x7a0 net/core/neighbour.c:141 __neigh_update+0x478/0x1eb0 net/core/neighbour.c:1302 neigh_update+0x37/0x50 net/core/neighbour.c:1372 arp_req_set+0x54c/0xaa0 net/ipv4/arp.c:1072 arp_ioctl+0x48b/0xae0 net/ipv4/arp.c:1230 inet_ioctl+0x237/0x360 net/ipv4/af_inet.c:932 sock_do_ioctl+0xeb/0x420 net/socket.c:951 sock_ioctl+0x313/0x690 net/socket.c:1075 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:509 [inline] do_vfs_ioctl+0x1de/0x1790 fs/ioctl.c:696 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:713 __do_sys_ioctl fs/ioctl.c:720 [inline] __se_sys_ioctl fs/ioctl.c:718 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457669 Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f36cfaecc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457669 RDX: 0000000020000180 RSI: 0000000000008955 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f36cfaed6d4 R13: 00000000004c2747 R14: 00000000004d46f8 R15: 00000000ffffffff kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' kauditd_printk_skb: 4 callbacks suppressed audit: type=1800 audit(1545257050.307:60): pid=8493 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor1" name="file0" dev="sda1" ino=16627 res=0 kobject: 'loop1' (000000001359b59b): kobject_uevent_env audit: type=1804 audit(1545257050.337:61): pid=8493 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor1" name="/root/syzkaller-testdir144255507/syzkaller.TeY3Pw/27/file0" dev="sda1" ino=16627 res=1 kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1800 audit(1545257050.457:62): pid=8508 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor1" name="file0" dev="sda1" ino=16627 res=0 audit: type=1804 audit(1545257050.467:63): pid=8508 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor1" name="/root/syzkaller-testdir144255507/syzkaller.TeY3Pw/28/file0" dev="sda1" ino=16627 res=1 FAT-fs (loop4): bogus number of reserved sectors kobject: 'loop1' (000000001359b59b): kobject_uevent_env FAT-fs (loop4): Can't find a valid FAT filesystem kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000a0c5acdf): kobject_cleanup, parent 00000000b48632d1 kobject: 'rx-0' (00000000a0c5acdf): auto cleanup 'remove' event kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'rx-0' (00000000a0c5acdf): kobject_uevent_env kobject: 'rx-0' (00000000a0c5acdf): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000a0c5acdf): auto cleanup kobject_del kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (00000000a0c5acdf): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000006f00eccf): kobject_cleanup, parent 00000000b48632d1 kobject: 'tx-0' (000000006f00eccf): auto cleanup 'remove' event kobject: 'tx-0' (000000006f00eccf): kobject_uevent_env kobject: 'tx-0' (000000006f00eccf): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (00000000821a20a2): kobject_uevent_env kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (000000006f00eccf): auto cleanup kobject_del kobject: 'loop2' (000000004692e3c8): kobject_uevent_env kobject: 'tx-0' (000000006f00eccf): calling ktype release kobject: 'loop2' (000000004692e3c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0': free name kobject: 'queues' (00000000b48632d1): kobject_cleanup, parent (null) kobject: 'queues' (00000000b48632d1): calling ktype release kobject: 'queues' (00000000b48632d1): kset_release kobject: 'queues': free name kobject: 'ip6gre0' (00000000c29cdae4): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'ip6gre0' (00000000c29cdae4): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000821a20a2): kobject_uevent_env kobject: 'ip6gre0' (00000000c29cdae4): kobject_cleanup, parent (null) kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'ip6gre0' (00000000c29cdae4): auto cleanup 'remove' event kobject: 'ip6gre0' (00000000c29cdae4): kobject_uevent_env kobject: 'ip6gre0' (00000000c29cdae4): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'ip6gre0' (00000000c29cdae4): calling ktype release kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'ip6gre0': free name kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (00000000d34e8b9e): kobject_cleanup, parent 000000001626c79c kobject: 'rx-0' (00000000d34e8b9e): auto cleanup 'remove' event kobject: 'loop2' (000000004692e3c8): kobject_uevent_env kobject: 'loop2' (000000004692e3c8): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1800 audit(1545257051.417:64): pid=8547 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor1" name="file0" dev="sda1" ino=16645 res=0 kobject: 'rx-0' (00000000d34e8b9e): kobject_uevent_env kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000d34e8b9e): kobject_uevent_env: uevent_suppress caused the event to drop! audit: type=1804 audit(1545257051.417:65): pid=8547 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor1" name="/root/syzkaller-testdir144255507/syzkaller.TeY3Pw/29/file0" dev="sda1" ino=16645 res=1 kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'rx-0' (00000000d34e8b9e): auto cleanup kobject_del kobject: 'rx-0' (00000000d34e8b9e): calling ktype release kobject: 'rx-0': free name audit: type=1800 audit(1545257051.557:66): pid=8560 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor1" name="file0" dev="sda1" ino=16645 res=0 kobject: 'tx-0' (000000007348c9d4): kobject_cleanup, parent 000000001626c79c kobject: 'tx-0' (000000007348c9d4): auto cleanup 'remove' event kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (000000007348c9d4): kobject_uevent_env audit: type=1804 audit(1545257051.557:67): pid=8560 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor1" name="/root/syzkaller-testdir144255507/syzkaller.TeY3Pw/30/file0" dev="sda1" ino=16645 res=1 kobject: 'tx-0' (000000007348c9d4): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop7' (0000000032f8200a): kobject_uevent_env kobject: 'loop7' (0000000032f8200a): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'tx-0' (000000007348c9d4): auto cleanup kobject_del FAT-fs (loop4): bogus number of reserved sectors kobject: 'loop3' (00000000821a20a2): kobject_uevent_env kobject: 'tx-0' (000000007348c9d4): calling ktype release audit: type=1800 audit(1545257051.867:68): pid=8569 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor1" name="file0" dev="sda1" ino=16644 res=0 kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0': free name FAT-fs (loop4): Can't find a valid FAT filesystem kobject: 'queues' (000000001626c79c): kobject_cleanup, parent (null) audit: type=1804 audit(1545257051.877:69): pid=8569 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor1" name="/root/syzkaller-testdir144255507/syzkaller.TeY3Pw/31/file0" dev="sda1" ino=16644 res=1 kobject: 'queues' (000000001626c79c): calling ktype release kobject: 'loop2' (000000004692e3c8): kobject_uevent_env kobject: 'loop2' (000000004692e3c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (000000001626c79c): kset_release kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'queues': free name kobject: 'ip6tnl0' (00000000604c672a): kobject_uevent_env kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'ip6tnl0' (00000000604c672a): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'ip6tnl0' (00000000604c672a): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (00000000604c672a): auto cleanup 'remove' event kobject: 'ip6tnl0' (00000000604c672a): kobject_uevent_env kobject: 'ip6tnl0' (00000000604c672a): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'ip6tnl0' (00000000604c672a): calling ktype release kobject: 'ip6tnl0': free name kobject: 'rx-0' (000000009e3a6b1b): kobject_cleanup, parent 00000000e46d9ed9 kobject: 'rx-0' (000000009e3a6b1b): auto cleanup 'remove' event kobject: 'rx-0' (000000009e3a6b1b): kobject_uevent_env kobject: 'rx-0' (000000009e3a6b1b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000009e3a6b1b): auto cleanup kobject_del kobject: 'rx-0' (000000009e3a6b1b): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000022e6c76b): kobject_cleanup, parent 00000000e46d9ed9 kobject: 'tx-0' (0000000022e6c76b): auto cleanup 'remove' event kobject: 'tx-0' (0000000022e6c76b): kobject_uevent_env kobject: 'tx-0' (0000000022e6c76b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000004692e3c8): kobject_uevent_env kobject: 'loop2' (000000004692e3c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (0000000022e6c76b): auto cleanup kobject_del kobject: 'tx-0' (0000000022e6c76b): calling ktype release kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'tx-0': free name kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'queues' (00000000e46d9ed9): kobject_cleanup, parent (null) kobject: 'queues' (00000000e46d9ed9): calling ktype release kobject: 'queues' (00000000e46d9ed9): kset_release kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues': free name kobject: 'sit0' (0000000052d3e6ca): kobject_uevent_env kobject: 'loop3' (00000000821a20a2): kobject_uevent_env kobject: 'sit0' (0000000052d3e6ca): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'sit0' (0000000052d3e6ca): kobject_cleanup, parent (null) kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'sit0' (0000000052d3e6ca): auto cleanup 'remove' event kobject: 'sit0' (0000000052d3e6ca): kobject_uevent_env kobject: 'sit0' (0000000052d3e6ca): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'sit0' (0000000052d3e6ca): calling ktype release kobject: 'sit0': free name kobject: 'rx-0' (00000000446729aa): kobject_cleanup, parent 00000000325806b4 kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000446729aa): auto cleanup 'remove' event kobject: 'loop2' (000000004692e3c8): kobject_uevent_env kobject: 'loop2' (000000004692e3c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000446729aa): kobject_uevent_env kobject: 'rx-0' (00000000446729aa): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (00000000446729aa): auto cleanup kobject_del kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'rx-0' (00000000446729aa): calling ktype release kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0': free name kobject: 'tx-0' (000000006789187b): kobject_cleanup, parent 00000000325806b4 kobject: 'loop3' (00000000821a20a2): kobject_uevent_env kobject: 'tx-0' (000000006789187b): auto cleanup 'remove' event kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (000000006789187b): kobject_uevent_env kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'tx-0' (000000006789187b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (000000006789187b): auto cleanup kobject_del kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'tx-0' (000000006789187b): calling ktype release kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0': free name kobject: 'queues' (00000000325806b4): kobject_cleanup, parent (null) kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'queues' (00000000325806b4): calling ktype release kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'queues' (00000000325806b4): kset_release kobject: 'queues': free name kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'ip6_vti0' (00000000d785b126): kobject_uevent_env kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'ip6_vti0' (00000000d785b126): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (00000000821a20a2): kobject_uevent_env kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'ip6_vti0' (00000000d785b126): kobject_cleanup, parent (null) kobject: 'ip6_vti0' (00000000d785b126): auto cleanup 'remove' event kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'ip6_vti0' (00000000d785b126): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'ip6_vti0' (00000000d785b126): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000004692e3c8): kobject_uevent_env kobject: 'ip6_vti0' (00000000d785b126): calling ktype release kobject: 'loop2' (000000004692e3c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'ip6_vti0': free name kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'rx-0' (000000002b8ca02c): kobject_cleanup, parent 0000000031ab556c kobject: 'rx-0' (000000002b8ca02c): auto cleanup 'remove' event kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'rx-0' (000000002b8ca02c): kobject_uevent_env kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (000000002b8ca02c): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (000000002b8ca02c): auto cleanup kobject_del kobject: 'rx-0' (000000002b8ca02c): calling ktype release kobject: 'rx-0': free name kobject: 'loop3' (00000000821a20a2): kobject_uevent_env kobject: 'tx-0' (000000003b309a19): kobject_cleanup, parent 0000000031ab556c kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (000000003b309a19): auto cleanup 'remove' event kobject: 'tx-0' (000000003b309a19): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (000000003b309a19): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000004692e3c8): kobject_uevent_env kobject: 'loop2' (000000004692e3c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (000000003b309a19): auto cleanup kobject_del kobject: 'tx-0' (000000003b309a19): calling ktype release kobject: 'loop3' (00000000821a20a2): kobject_uevent_env kobject: 'tx-0': free name kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (0000000031ab556c): kobject_cleanup, parent (null) kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues' (0000000031ab556c): calling ktype release kobject: 'loop3' (00000000821a20a2): kobject_uevent_env kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (0000000031ab556c): kset_release kobject: 'queues': free name kobject: 'ip_vti0' (00000000bd185168): kobject_uevent_env kobject: 'ip_vti0' (00000000bd185168): kobject_uevent_env: uevent_suppress caused the event to drop! kauditd_printk_skb: 28 callbacks suppressed audit: type=1800 audit(1545257055.357:98): pid=8751 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor1" name="file0" dev="sda1" ino=16636 res=0 kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'ip_vti0' (00000000bd185168): kobject_cleanup, parent (null) kobject: 'ip_vti0' (00000000bd185168): auto cleanup 'remove' event audit: type=1804 audit(1545257055.397:99): pid=8751 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor1" name="/root/syzkaller-testdir144255507/syzkaller.TeY3Pw/46/file0" dev="sda1" ino=16636 res=1 kobject: 'ip_vti0' (00000000bd185168): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'ip_vti0' (00000000bd185168): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (000000001359b59b): kobject_uevent_env audit: type=1800 audit(1545257055.677:100): pid=8771 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor1" name="file0" dev="sda1" ino=16680 res=0 kobject: 'ip_vti0' (00000000bd185168): calling ktype release kobject: 'ip_vti0': free name kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000734898a7): kobject_cleanup, parent 000000004e711bec kobject: 'loop3' (00000000821a20a2): kobject_uevent_env audit: type=1804 audit(1545257055.677:101): pid=8771 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor1" name="/root/syzkaller-testdir144255507/syzkaller.TeY3Pw/47/file0" dev="sda1" ino=16680 res=1 kobject: 'rx-0' (00000000734898a7): auto cleanup 'remove' event kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (00000000734898a7): kobject_uevent_env kobject: 'rx-0' (00000000734898a7): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000734898a7): auto cleanup kobject_del kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'rx-0' (00000000734898a7): calling ktype release kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0': free name audit: type=1800 audit(1545257055.987:102): pid=8787 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor1" name="file0" dev="sda1" ino=16679 res=0 kobject: 'tx-0' (000000007148efc9): kobject_cleanup, parent 000000004e711bec kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (000000007148efc9): auto cleanup 'remove' event kobject: 'tx-0' (000000007148efc9): kobject_uevent_env kobject: 'tx-0' (000000007148efc9): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000004692e3c8): kobject_uevent_env kobject: 'loop2' (000000004692e3c8): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1804 audit(1545257056.007:103): pid=8787 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor1" name="/root/syzkaller-testdir144255507/syzkaller.TeY3Pw/48/file0" dev="sda1" ino=16679 res=1 kobject: 'tx-0' (000000007148efc9): auto cleanup kobject_del kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (000000007148efc9): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000004e711bec): kobject_cleanup, parent (null) kobject: 'queues' (000000004e711bec): calling ktype release kobject: 'queues' (000000004e711bec): kset_release kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'queues': free name kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1800 audit(1545257056.257:104): pid=8796 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor1" name="file0" dev="sda1" ino=16669 res=0 kobject: 'erspan0' (00000000856a8132): kobject_uevent_env kobject: 'loop3' (00000000821a20a2): kobject_uevent_env kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1804 audit(1545257056.257:105): pid=8796 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor1" name="/root/syzkaller-testdir144255507/syzkaller.TeY3Pw/49/file0" dev="sda1" ino=16669 res=1 kobject: 'loop2' (000000004692e3c8): kobject_uevent_env kobject: 'loop2' (000000004692e3c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'erspan0' (00000000856a8132): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1800 audit(1545257056.497:106): pid=8821 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor1" name="file0" dev="sda1" ino=16687 res=0 kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'erspan0' (00000000856a8132): kobject_cleanup, parent (null) kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'erspan0' (00000000856a8132): auto cleanup 'remove' event audit: type=1804 audit(1545257056.527:107): pid=8821 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor1" name="/root/syzkaller-testdir144255507/syzkaller.TeY3Pw/50/file0" dev="sda1" ino=16687 res=1 cgroup: fork rejected by pids controller in /syz3 kobject: 'loop3' (00000000821a20a2): kobject_uevent_env kobject: 'erspan0' (00000000856a8132): kobject_uevent_env kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'erspan0' (00000000856a8132): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop7' (0000000032f8200a): kobject_uevent_env kobject: 'loop7' (0000000032f8200a): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'erspan0' (00000000856a8132): calling ktype release kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'erspan0': free name kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (000000001e6fd1a0): kobject_cleanup, parent 00000000123fd34b kobject: 'rx-0' (000000001e6fd1a0): auto cleanup 'remove' event kobject: 'rx-0' (000000001e6fd1a0): kobject_uevent_env kobject: 'rx-0' (000000001e6fd1a0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000001e6fd1a0): auto cleanup kobject_del kobject: 'rx-0' (000000001e6fd1a0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000001b622abd): kobject_cleanup, parent 00000000123fd34b kobject: 'loop2' (000000004692e3c8): kobject_uevent_env kobject: 'tx-0' (000000001b622abd): auto cleanup 'remove' event kobject: 'tx-0' (000000001b622abd): kobject_uevent_env kobject: 'tx-0' (000000001b622abd): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000004692e3c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (000000001b622abd): auto cleanup kobject_del kobject: 'tx-0' (000000001b622abd): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000123fd34b): kobject_cleanup, parent (null) kobject: 'queues' (00000000123fd34b): calling ktype release kobject: 'queues' (00000000123fd34b): kset_release kobject: 'queues': free name kobject: 'gretap0' (0000000013ce45ac): kobject_uevent_env kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'gretap0' (0000000013ce45ac): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'gretap0' (0000000013ce45ac): kobject_cleanup, parent (null) kobject: 'gretap0' (0000000013ce45ac): auto cleanup 'remove' event kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'gretap0' (0000000013ce45ac): kobject_uevent_env kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'gretap0' (0000000013ce45ac): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (00000000821a20a2): kobject_uevent_env kobject: 'gretap0' (0000000013ce45ac): calling ktype release kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'gretap0': free name kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'rx-0' (00000000269b9298): kobject_cleanup, parent 00000000bf24e38e kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (00000000269b9298): auto cleanup 'remove' event kobject: 'rx-0' (00000000269b9298): kobject_uevent_env kobject: 'rx-0' (00000000269b9298): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rx-0' (00000000269b9298): auto cleanup kobject_del kobject: 'loop7' (0000000032f8200a): kobject_uevent_env kobject: 'rx-0' (00000000269b9298): calling ktype release kobject: 'loop7' (0000000032f8200a): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'rx-0': free name kobject: 'tx-0' (00000000c148879d): kobject_cleanup, parent 00000000bf24e38e kobject: 'loop2' (000000004692e3c8): kobject_uevent_env kobject: 'tx-0' (00000000c148879d): auto cleanup 'remove' event kobject: 'loop2' (000000004692e3c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (00000000c148879d): kobject_uevent_env kobject: 'tx-0' (00000000c148879d): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000c148879d): auto cleanup kobject_del kobject: 'tx-0' (00000000c148879d): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000bf24e38e): kobject_cleanup, parent (null) kobject: 'queues' (00000000bf24e38e): calling ktype release kobject: 'queues' (00000000bf24e38e): kset_release kobject: 'queues': free name kobject: 'gre0' (0000000055ea79ff): kobject_uevent_env kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'gre0' (0000000055ea79ff): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'gre0' (0000000055ea79ff): kobject_cleanup, parent (null) kobject: 'gre0' (0000000055ea79ff): auto cleanup 'remove' event kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'gre0' (0000000055ea79ff): kobject_uevent_env kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'gre0' (0000000055ea79ff): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000004692e3c8): kobject_uevent_env kobject: 'gre0' (0000000055ea79ff): calling ktype release kobject: 'loop2' (000000004692e3c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'gre0': free name kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'rx-0' (00000000b0110274): kobject_cleanup, parent 0000000066b02fa4 kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (00000000b0110274): auto cleanup 'remove' event kobject: 'rx-0' (00000000b0110274): kobject_uevent_env kobject: 'loop7' (0000000032f8200a): kobject_uevent_env kobject: 'rx-0' (00000000b0110274): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop7' (0000000032f8200a): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'rx-0' (00000000b0110274): auto cleanup kobject_del kobject: 'loop3' (00000000821a20a2): kobject_uevent_env kobject: 'rx-0' (00000000b0110274): calling ktype release kobject: 'loop3' (00000000821a20a2): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0': free name kobject: 'tx-0' (0000000089b8fcb3): kobject_cleanup, parent 0000000066b02fa4 kobject: 'loop5' (00000000c21afa81): kobject_uevent_env kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (0000000089b8fcb3): auto cleanup 'remove' event kobject: 'tx-0' (0000000089b8fcb3): kobject_uevent_env kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'tx-0' (0000000089b8fcb3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' IPVS: ftp: loaded support on port[0] = 21 kobject: 'tx-0' (0000000089b8fcb3): auto cleanup kobject_del kobject: 'loop5' (00000000c21afa81): kobject_uevent_env cgroup: fork rejected by pids controller in /syz5 cgroup: fork rejected by pids controller in /syz0 kobject: 'loop5' (00000000c21afa81): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (0000000089b8fcb3): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000066b02fa4): kobject_cleanup, parent (null) kobject: 'queues' (0000000066b02fa4): calling ktype release kobject: 'queues' (0000000066b02fa4): kset_release kobject: 'queues': free name kobject: 'tunl0' (00000000ec677bf4): kobject_uevent_env kobject: 'tunl0' (00000000ec677bf4): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop7' (0000000032f8200a): kobject_uevent_env kobject: 'loop7' (0000000032f8200a): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'loop1' (000000001359b59b): kobject_uevent_env kobject: 'loop1' (000000001359b59b): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tunl0' (00000000ec677bf4): kobject_cleanup, parent (null) kobject: 'loop4' (0000000071681137): kobject_uevent_env kobject: 'tunl0' (00000000ec677bf4): auto cleanup 'remove' event kobject: 'loop4' (0000000071681137): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tunl0' (00000000ec677bf4): kobject_uevent_env kobject: 'tunl0' (00000000ec677bf4): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop7' (0000000032f8200a): kobject_uevent_env kobject: 'loop7' (0000000032f8200a): fill_kobj_path: path = '/devices/virtual/block/loop7' kobject: 'tunl0' (00000000ec677bf4): calling ktype release kobject: 'loop2' (000000004692e3c8): kobject_uevent_env kobject: 'tunl0': free name kobject: 'loop2' (000000004692e3c8): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (0000000078a549e6): kobject_cleanup, parent 00000000d42a44c2 kobject: 'rx-0' (0000000078a549e6): auto cleanup 'remove' event kobject: 'rx-0' (0000000078a549e6): kobject_uevent_env kobject: 'rx-0' (0000000078a549e6): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/rx-0' kobject: 'rx-0' (0000000078a549e6): auto cleanup kobject_del kobject: 'rx-0' (0000000078a549e6): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000c77e2250): kobject_cleanup, parent 00000000d42a44c2 kobject: 'tx-0' (00000000c77e2250): auto cleanup 'remove' event kobject: 'tx-0' (00000000c77e2250): kobject_uevent_env kobject: 'tx-0' (00000000c77e2250): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/tx-0' kobject: 'tx-0' (00000000c77e2250): auto cleanup kobject_del kobject: 'tx-0' (00000000c77e2250): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000d42a44c2): kobject_cleanup, parent (null) kobject: 'queues' (00000000d42a44c2): calling ktype release kobject: 'queues' (00000000d42a44c2): kset_release kobject: 'queues': free name kobject: 'syz_tun' (00000000e4099f92): kobject_uevent_env kobject: 'syz_tun' (00000000e4099f92): fill_kobj_path: path = '/devices/virtual/net/syz_tun' kobject: 'rx-0' (000000006ad6256a): kobject_cleanup, parent 00000000b027248a kobject: 'rx-0' (000000006ad6256a): auto cleanup 'remove' event kobject: 'rx-0' (000000006ad6256a): kobject_uevent_env kobject: 'rx-0' (000000006ad6256a): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000006ad6256a): auto cleanup kobject_del kobject: 'rx-0' (000000006ad6256a): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000bdfe931b): kobject_cleanup, parent 00000000b027248a kobject: 'tx-0' (00000000bdfe931b): auto cleanup 'remove' event kobject: 'tx-0' (00000000bdfe931b): kobject_uevent_env kobject: 'tx-0' (00000000bdfe931b): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000bdfe931b): auto cleanup kobject_del kobject: 'tx-0' (00000000bdfe931b): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000b027248a): kobject_cleanup, parent (null) kobject: 'queues' (00000000b027248a): calling ktype release kobject: 'queues' (00000000b027248a): kset_release kobject: 'queues': free name kobject: 'lo' (0000000067de49d2): kobject_uevent_env kobject: 'lo' (0000000067de49d2): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'syz_tun' (00000000e4099f92): kobject_cleanup, parent (null) kobject: 'syz_tun' (00000000e4099f92): calling ktype release kobject: 'lo' (0000000067de49d2): kobject_cleanup, parent (null) kobject: 'syz_tun': free name kobject: 'lo' (0000000067de49d2): auto cleanup 'remove' event kobject: 'lo' (0000000067de49d2): kobject_uevent_env kobject: 'lo' (0000000067de49d2): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'lo' (0000000067de49d2): calling ktype release kobject: 'lo': free name