====================================================== WARNING: possible circular locking dependency detected 4.14.146 #0 Not tainted ------------------------------------------------------ kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env syz-executor.1/16638 is trying to acquire lock: ((&strp->work)){+.+.}, at: [] flush_work+0x84/0x730 kernel/workqueue.c:2878 kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' but task is already holding lock: (sk_lock-AF_INET){+.+.}, at: [] lock_sock include/net/sock.h:1462 [inline] (sk_lock-AF_INET){+.+.}, at: [] kcm_attach net/kcm/kcmsock.c:1390 [inline] (sk_lock-AF_INET){+.+.}, at: [] kcm_attach_ioctl net/kcm/kcmsock.c:1490 [inline] (sk_lock-AF_INET){+.+.}, at: [] kcm_ioctl+0x35d/0x1120 net/kcm/kcmsock.c:1701 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (sk_lock-AF_INET){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991 lock_sock_nested+0xbd/0x110 net/core/sock.c:2765 lock_sock include/net/sock.h:1462 [inline] strp_sock_lock+0x2e/0x40 net/strparser/strparser.c:451 do_strp_work net/strparser/strparser.c:415 [inline] strp_work+0x43/0x100 net/strparser/strparser.c:434 kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env process_one_work+0x863/0x1600 kernel/workqueue.c:2114 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248 kthread+0x319/0x430 kernel/kthread.c:232 kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 -> #0 ((&strp->work)){+.+.}: check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991 flush_work+0xae/0x730 kernel/workqueue.c:2881 kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env __cancel_work_timer+0x2f0/0x480 kernel/workqueue.c:2956 cancel_work_sync+0x18/0x20 kernel/workqueue.c:2992 strp_done+0x58/0xe0 net/strparser/strparser.c:519 kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kcm_attach net/kcm/kcmsock.c:1429 [inline] kcm_attach_ioctl net/kcm/kcmsock.c:1490 [inline] kcm_ioctl+0x8d9/0x1120 net/kcm/kcmsock.c:1701 sock_do_ioctl+0x64/0xb0 net/socket.c:974 sock_ioctl+0x2a6/0x470 net/socket.c:1071 kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(sk_lock-AF_INET); lock((&strp->work)); lock(sk_lock-AF_INET); kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env lock((&strp->work)); *** DEADLOCK *** 1 lock held by syz-executor.1/16638: #0: (sk_lock-AF_INET){+.+.}, at: [] lock_sock include/net/sock.h:1462 [inline] #0: (sk_lock-AF_INET){+.+.}, at: [] kcm_attach net/kcm/kcmsock.c:1390 [inline] #0: (sk_lock-AF_INET){+.+.}, at: [] kcm_attach_ioctl net/kcm/kcmsock.c:1490 [inline] #0: (sk_lock-AF_INET){+.+.}, at: [] kcm_ioctl+0x35d/0x1120 net/kcm/kcmsock.c:1701 stack backtrace: kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' CPU: 0 PID: 16638 Comm: syz-executor.1 Not tainted 4.14.146 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x197 lib/dump_stack.c:53 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991 flush_work+0xae/0x730 kernel/workqueue.c:2881 __cancel_work_timer+0x2f0/0x480 kernel/workqueue.c:2956 cancel_work_sync+0x18/0x20 kernel/workqueue.c:2992 strp_done+0x58/0xe0 net/strparser/strparser.c:519 kcm_attach net/kcm/kcmsock.c:1429 [inline] kcm_attach_ioctl net/kcm/kcmsock.c:1490 [inline] kcm_ioctl+0x8d9/0x1120 net/kcm/kcmsock.c:1701 sock_do_ioctl+0x64/0xb0 net/socket.c:974 sock_ioctl+0x2a6/0x470 net/socket.c:1071 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459a29 RSP: 002b:00007fbff8943c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a29 RDX: 00000000200000c0 RSI: 00000000000089e0 RDI: 0000000000000005 RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbff89446d4 R13: 00000000004c59b9 R14: 00000000004da290 R15: 00000000ffffffff protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop0' (ffff8880a18f40e0): kobject_uevent_env kobject: 'loop0' (ffff8880a18f40e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a49625e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49625e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a49f46e0): kobject_uevent_env kobject: 'loop3' (ffff8880a49f46e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a49625e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49625e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a18f40e0): kobject_uevent_env kobject: 'loop0' (ffff8880a18f40e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a49f46e0): kobject_uevent_env kobject: 'loop3' (ffff8880a49f46e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a49625e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49625e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a18f40e0): kobject_uevent_env kobject: 'loop0' (ffff8880a18f40e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop0' (ffff8880a18f40e0): kobject_uevent_env kobject: 'loop0' (ffff8880a18f40e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a49f46e0): kobject_uevent_env kobject: 'loop3' (ffff8880a49f46e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a49625e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49625e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a18f40e0): kobject_uevent_env kobject: 'loop0' (ffff8880a18f40e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a49f46e0): kobject_uevent_env kobject: 'loop3' (ffff8880a49f46e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a49625e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49625e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a18f40e0): kobject_uevent_env kobject: 'loop0' (ffff8880a18f40e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a49f46e0): kobject_uevent_env kobject: 'loop3' (ffff8880a49f46e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env net_ratelimit: 16 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (ffff8880a49625e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49625e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a18f40e0): kobject_uevent_env kobject: 'loop0' (ffff8880a18f40e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a49f46e0): kobject_uevent_env kobject: 'loop3' (ffff8880a49f46e0): fill_kobj_path: path = '/devices/virtual/block/loop3' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a49625e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49625e0): fill_kobj_path: path = '/devices/virtual/block/loop1' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop0' (ffff8880a18f40e0): kobject_uevent_env kobject: 'loop0' (ffff8880a18f40e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a49f46e0): kobject_uevent_env kobject: 'loop3' (ffff8880a49f46e0): fill_kobj_path: path = '/devices/virtual/block/loop3' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (ffff8880a49625e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49625e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a18f40e0): kobject_uevent_env kobject: 'loop0' (ffff8880a18f40e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'veth4' (ffff888098e27070): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth4' (ffff888098e27070): kobject_uevent_env kobject: 'veth4' (ffff888098e27070): fill_kobj_path: path = '/devices/virtual/net/veth4' kobject: 'queues' (ffff8880a056f648): kobject_add_internal: parent: 'veth4', set: '' kobject: 'queues' (ffff8880a056f648): kobject_uevent_env kobject: 'queues' (ffff8880a056f648): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88808381fcd0): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88808381fcd0): kobject_uevent_env kobject: 'rx-0' (ffff88808381fcd0): fill_kobj_path: path = '/devices/virtual/net/veth4/queues/rx-0' kobject: 'tx-0' (ffff888099f285d8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888099f285d8): kobject_uevent_env kobject: 'tx-0' (ffff888099f285d8): fill_kobj_path: path = '/devices/virtual/net/veth4/queues/tx-0' kobject: 'batman_adv' (ffff88809fc54100): kobject_add_internal: parent: 'veth4', set: '' kobject: 'veth5' (ffff88805b1d6bf0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth5' (ffff88805b1d6bf0): kobject_uevent_env kobject: 'veth5' (ffff88805b1d6bf0): fill_kobj_path: path = '/devices/virtual/net/veth5' kobject: 'queues' (ffff88806070e548): kobject_add_internal: parent: 'veth5', set: '' kobject: 'queues' (ffff88806070e548): kobject_uevent_env kobject: 'queues' (ffff88806070e548): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff8880a97dba90): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff8880a97dba90): kobject_uevent_env kobject: 'rx-0' (ffff8880a97dba90): fill_kobj_path: path = '/devices/virtual/net/veth5/queues/rx-0' kobject: 'tx-0' (ffff888095057358): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888095057358): kobject_uevent_env kobject: 'tx-0' (ffff888095057358): fill_kobj_path: path = '/devices/virtual/net/veth5/queues/tx-0' kobject: 'batman_adv' (ffff8880948d9d80): kobject_add_internal: parent: 'veth5', set: '' kobject: 'loop3' (ffff8880a49f46e0): kobject_uevent_env kobject: 'loop3' (ffff8880a49f46e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a49625e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49625e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a18f40e0): kobject_uevent_env kobject: 'loop0' (ffff8880a18f40e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a49f46e0): kobject_uevent_env kobject: 'loop3' (ffff8880a49f46e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a49625e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49625e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (ffff8880a18f40e0): kobject_uevent_env kobject: 'loop0' (ffff8880a18f40e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a49f46e0): kobject_uevent_env kobject: 'loop3' (ffff8880a49f46e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a49625e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49625e0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff8880a18f40e0): kobject_uevent_env kobject: 'loop0' (ffff8880a18f40e0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (ffff8880a499e660): kobject_uevent_env kobject: 'loop2' (ffff8880a499e660): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (ffff8880a4a26960): kobject_uevent_env kobject: 'loop4' (ffff8880a4a26960): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a49f46e0): kobject_uevent_env kobject: 'loop3' (ffff8880a49f46e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4aa7260): kobject_uevent_env kobject: 'loop5' (ffff8880a4aa7260): fill_kobj_path: path = '/devices/virtual/block/loop5' net_ratelimit: 14 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (ffff8880a49625e0): kobject_uevent_env kobject: 'loop1' (ffff8880a49625e0): fill_kobj_path: path = '/devices/virtual/block/loop1' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop0' (ffff8880a18f40e0): kobject_uevent_env kobject: 'loop0' (ffff8880a18f40e0): fill_kobj_path: path = '/devices/virtual/block/loop0'