netlink: 'syz-executor3': attribute type 4 has an invalid length. netlink: 17 bytes leftover after parsing attributes in process `syz-executor3'. ====================================================== WARNING: possible circular locking dependency detected 4.20.0+ #3 Not tainted ------------------------------------------------------ kworker/u4:8/12395 is trying to acquire lock: 00000000002c4723 (nr_list_lock){+.-.}, at: spin_lock_bh include/linux/spinlock.h:334 [inline] 00000000002c4723 (nr_list_lock){+.-.}, at: nr_remove_socket net/netrom/af_netrom.c:96 [inline] 00000000002c4723 (nr_list_lock){+.-.}, at: nr_destroy_socket+0x96/0x6e0 net/netrom/af_netrom.c:264 but task is already holding lock: 00000000272e3ad6 (slock-AF_NETROM){+.-.}, at: spin_lock include/linux/spinlock.h:329 [inline] 00000000272e3ad6 (slock-AF_NETROM){+.-.}, at: nr_destroy_timer+0x32/0x90 net/netrom/af_netrom.c:247 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: kobject: 'loop0' (000000000f18f543): kobject_uevent_env -> #1 (slock-AF_NETROM){+.-.}: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] nr_find_listener net/netrom/af_netrom.c:156 [inline] nr_rx_frame+0x60c/0x1d50 net/netrom/af_netrom.c:955 nr_loopback_timer+0x7b/0x170 net/netrom/nr_loopback.c:62 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1027 do_softirq.part.0+0x11a/0x170 kernel/softirq.c:337 do_softirq kernel/softirq.c:329 [inline] __local_bh_enable_ip+0x211/0x270 kernel/softirq.c:189 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline] _raw_spin_unlock_bh+0x31/0x40 kernel/locking/spinlock.c:200 spin_unlock_bh include/linux/spinlock.h:374 [inline] batadv_nc_purge_paths+0x36d/0x530 net/batman-adv/network-coding.c:482 batadv_nc_worker+0x3ae/0x920 net/batman-adv/network-coding.c:731 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 kobject: 'loop3' (000000009c8585b3): kobject_uevent_env -> #0 (nr_list_lock){+.-.}: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:168 spin_lock_bh include/linux/spinlock.h:334 [inline] nr_remove_socket net/netrom/af_netrom.c:96 [inline] nr_destroy_socket+0x96/0x6e0 net/netrom/af_netrom.c:264 nr_destroy_timer+0x42/0x90 net/netrom/af_netrom.c:249 netlink: 'syz-executor3': attribute type 4 has an invalid length. call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 arch_local_irq_restore arch/x86/include/asm/paravirt.h:766 [inline] lock_acquire+0x259/0x570 kernel/locking/lockdep.c:3844 rcu_lock_acquire include/linux/rcupdate.h:223 [inline] rcu_read_lock include/linux/rcupdate.h:607 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:419 [inline] batadv_nc_worker+0x19b/0x920 net/batman-adv/network-coding.c:730 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 other info that might help us debug this: netlink: 17 bytes leftover after parsing attributes in process `syz-executor3'. Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(slock-AF_NETROM); lock(nr_list_lock); lock(slock-AF_NETROM); lock(nr_list_lock); *** DEADLOCK *** 5 locks held by kworker/u4:8/12395: #0: 0000000049d50fe3 ((wq_completion)"%s""bat_events"){+.+.}, at: __write_once_size include/linux/compiler.h:218 [inline] #0: 0000000049d50fe3 ((wq_completion)"%s""bat_events"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 0000000049d50fe3 ((wq_completion)"%s""bat_events"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 0000000049d50fe3 ((wq_completion)"%s""bat_events"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 0000000049d50fe3 ((wq_completion)"%s""bat_events"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 0000000049d50fe3 ((wq_completion)"%s""bat_events"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 0000000049d50fe3 ((wq_completion)"%s""bat_events"){+.+.}, at: process_one_work+0xbc7/0x1ce0 kernel/workqueue.c:2124 #1: 0000000068077317 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}, at: process_one_work+0xc1d/0x1ce0 kernel/workqueue.c:2128 #2: 0000000025e33011 (rcu_read_lock){....}, at: batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:417 [inline] #2: 0000000025e33011 (rcu_read_lock){....}, at: batadv_nc_worker+0x167/0x920 net/batman-adv/network-coding.c:730 #3: 00000000b7339295 ((&sk->sk_timer)#2){+.-.}, at: lockdep_copy_map include/linux/lockdep.h:171 [inline] #3: 00000000b7339295 ((&sk->sk_timer)#2){+.-.}, at: call_timer_fn+0x1b4/0x900 kernel/time/timer.c:1315 #4: 00000000272e3ad6 (slock-AF_NETROM){+.-.}, at: spin_lock include/linux/spinlock.h:329 [inline] #4: 00000000272e3ad6 (slock-AF_NETROM){+.-.}, at: nr_destroy_timer+0x32/0x90 net/netrom/af_netrom.c:247 stack backtrace: CPU: 0 PID: 12395 Comm: kworker/u4:8 Not tainted 4.20.0+ #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 print_circular_bug.isra.0.cold+0x1cc/0x28f 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+0x3014/0x4a30 kernel/locking/lockdep.c:3338 lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x33/0x50 kernel/locking/spinlock.c:168 spin_lock_bh include/linux/spinlock.h:334 [inline] nr_remove_socket net/netrom/af_netrom.c:96 [inline] nr_destroy_socket+0x96/0x6e0 net/netrom/af_netrom.c:264 nr_destroy_timer+0x42/0x90 net/netrom/af_netrom.c:249 call_timer_fn+0x254/0x900 kernel/time/timer.c:1325 expire_timers kernel/time/timer.c:1362 [inline] __run_timers+0x6fc/0xd50 kernel/time/timer.c:1681 run_timer_softirq+0x52/0xb0 kernel/time/timer.c:1694 __do_softirq+0x30b/0xb11 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x1b7/0x760 arch/x86/kernel/apic/apic.c:1062 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:766 [inline] RIP: 0010:lock_acquire+0x259/0x570 kernel/locking/lockdep.c:3844 Code: 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 64 02 00 00 48 83 3d 36 21 2e 08 00 0f 84 d0 01 00 00 48 8b bd 48 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 03 85 40 ff ff ff RSP: 0018:ffff88806370f7d0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1324a06 RBX: ffff88808af4e580 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000282 RBP: ffff88806370f8a0 R08: 0000000000000002 R09: ffff88808af4ee70 R10: ffff88808af4ee50 R11: 0000000000000001 R12: ffffffff899a08c0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002 rcu_lock_acquire include/linux/rcupdate.h:223 [inline] rcu_read_lock include/linux/rcupdate.h:607 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:419 [inline] batadv_nc_worker+0x19b/0x920 net/batman-adv/network-coding.c:730 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 'syz-executor3': attribute type 4 has an invalid length. kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 17 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor3': attribute type 4 has an invalid length. netlink: 17 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 'syz-executor3': attribute type 4 has an invalid length. netlink: 17 bytes leftover after parsing attributes in process `syz-executor3'. kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env netlink: 8 bytes leftover after parsing attributes in process `syz-executor1'. kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 8 bytes leftover after parsing attributes in process `syz-executor4'. kobject: 'loop5' (00000000d0ad0f58): kobject_uevent_env kobject: 'loop5' (00000000d0ad0f58): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (0000000025cfff66): kobject_uevent_env kobject: 'loop2' (0000000025cfff66): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000000f18f543): kobject_uevent_env kobject: 'loop0' (000000000f18f543): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (0000000091dbcd33): kobject_uevent_env kobject: 'loop4' (0000000091dbcd33): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000019d925ac): kobject_uevent_env kobject: 'loop1' (0000000019d925ac): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (000000009c8585b3): kobject_uevent_env kobject: 'loop3' (000000009c8585b3): fill_kobj_path: path = '/devices/virtual/block/loop3'