netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. ================================ WARNING: inconsistent lock state 4.20.0+ #3 Not tainted -------------------------------- inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. syz-executor5/28870 [HC0[0]:SC0[0]:HE1:SE1] takes: 0000000065cf87f1 (slock-AF_NETROM){+.?.}, at: spin_lock include/linux/spinlock.h:329 [inline] 0000000065cf87f1 (slock-AF_NETROM){+.?.}, at: nr_find_socket+0x117/0x160 net/netrom/af_netrom.c:177 {IN-SOFTIRQ-W} state was registered at: lock_acquire+0x1db/0x570 kernel/locking/lockdep.c:3841 __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_socket+0x117/0x160 net/netrom/af_netrom.c:177 nr_rx_frame+0x38c/0x1d50 net/netrom/af_netrom.c:919 nr_loopback_timer+0x7b/0x170 net/netrom/nr_loopback.c:62 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 native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:57 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:555 default_idle_call+0x36/0x90 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x386/0x5d0 kernel/sched/idle.c:262 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:353 rest_init+0x245/0x37b init/main.c:443 arch_call_rest_init+0xe/0x1b start_kernel+0x882/0x8bd init/main.c:741 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:470 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:451 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 irq event stamp: 566 hardirqs last enabled at (563): [] __local_bh_enable_ip+0x15a/0x270 kernel/softirq.c:194 hardirqs last disabled at (565): [] __local_bh_enable_ip+0x11a/0x270 kernel/softirq.c:171 softirqs last enabled at (566): [] spin_unlock_bh include/linux/spinlock.h:374 [inline] softirqs last enabled at (566): [] nr_find_socket+0x12d/0x160 net/netrom/af_netrom.c:183 softirqs last disabled at (564): [] spin_lock_bh include/linux/spinlock.h:334 [inline] softirqs last disabled at (564): [] nr_find_socket+0x24/0x160 net/netrom/af_netrom.c:172 netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(slock-AF_NETROM); lock(slock-AF_NETROM); *** DEADLOCK *** 1 lock held by syz-executor5/28870: #0: 0000000065cf87f1 (slock-AF_NETROM){+.?.}, at: spin_lock include/linux/spinlock.h:329 [inline] #0: 0000000065cf87f1 (slock-AF_NETROM){+.?.}, at: nr_find_socket+0x117/0x160 net/netrom/af_netrom.c:177 kobject: 'loop1' (0000000015f1c278): kobject_uevent_env stack backtrace: CPU: 0 PID: 28870 Comm: syz-executor5 Not tainted 4.20.0+ #3 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' print_usage_bug.cold+0x330/0x42a kernel/locking/lockdep.c:2475 kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env valid_state kernel/locking/lockdep.c:2488 [inline] mark_lock_irq kernel/locking/lockdep.c:2682 [inline] mark_lock+0x10c4/0x1cd0 kernel/locking/lockdep.c:3062 kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' mark_held_locks+0xb1/0x100 kernel/locking/lockdep.c:2740 __trace_hardirqs_on_caller kernel/locking/lockdep.c:2769 [inline] lockdep_hardirqs_on+0x415/0x5d0 kernel/locking/lockdep.c:2814 trace_hardirqs_on+0xbd/0x310 kernel/trace/trace_preemptirq.c:30 __local_bh_enable_ip+0x15a/0x270 kernel/softirq.c:194 __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] nr_find_socket+0x12d/0x160 net/netrom/af_netrom.c:183 nr_find_next_circuit+0x71/0x90 net/netrom/af_netrom.c:225 nr_connect+0x6e8/0x1380 net/netrom/af_netrom.c:704 __sys_connect+0x357/0x490 net/socket.c:1664 __do_sys_connect net/socket.c:1675 [inline] __se_sys_connect net/socket.c:1672 [inline] __x64_sys_connect+0x73/0xb0 net/socket.c:1672 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457ec9 Code: 6d b7 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 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fdc737f5c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9 RDX: 0000000000000048 RSI: 0000000020000000 RDI: 0000000000000006 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdc737f66d4 R13: 00000000004be35a R14: 00000000004ce5e8 R15: 00000000ffffffff kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000001d6f2453): kobject_uevent_env kobject: 'loop5' (000000001d6f2453): kobject_uevent_env kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop5' (000000001d6f2453): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' __nla_parse: 6 callbacks suppressed netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000001d6f2453): kobject_uevent_env kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env validate_nla: 38 callbacks suppressed netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000001d6f2453): kobject_uevent_env kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop5' (000000001d6f2453): kobject_uevent_env kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor4': attribute type 29 has an invalid length. netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor4': attribute type 29 has an invalid length. netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop5' (000000001d6f2453): kobject_uevent_env kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000001d6f2453): kobject_uevent_env kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000001d6f2453): kobject_uevent_env kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000001d6f2453): kobject_uevent_env kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000001d6f2453): kobject_uevent_env kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env __nla_parse: 10 callbacks suppressed netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000001d6f2453): kobject_uevent_env validate_nla: 42 callbacks suppressed netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000001d6f2453): kobject_uevent_env netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000001d6f2453): kobject_uevent_env kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 'syz-executor4': attribute type 29 has an invalid length. kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000005abaa1a0): kobject_uevent_env kobject: 'loop2' (000000005abaa1a0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000001d6f2453): kobject_uevent_env kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000e7ef2ce4): kobject_uevent_env netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop3' (00000000e7ef2ce4): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000001d6f2453): kobject_uevent_env kobject: 'loop5' (000000001d6f2453): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'. kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (00000000c6c69b6a): kobject_uevent_env kobject: 'loop4' (00000000c6c69b6a): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (0000000015f1c278): kobject_uevent_env kobject: 'loop1' (0000000015f1c278): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (000000001194c1d6): kobject_uevent_env kobject: 'loop0' (000000001194c1d6): fill_kobj_path: path = '/devices/virtual/block/loop0'