protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 ====================================================== WARNING: possible circular locking dependency detected 4.19.79 #0 Not tainted ------------------------------------------------------ syz-executor.1/22839 is trying to acquire lock: 0000000089d8d2a6 (&mm->mmap_sem){++++}, at: __might_fault+0xfb/0x1e0 mm/memory.c:4637 but task is already holding lock: kobject: 'loop5' (000000008260feef): kobject_uevent_env 000000009bb699e7 (&rp->fetch_lock){+.+.}, at: mon_bin_read+0x60/0x640 drivers/usb/mon/mon_bin.c:813 kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&rp->fetch_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 mon_bin_vma_fault+0x73/0x2d0 drivers/usb/mon/mon_bin.c:1237 __do_fault+0x111/0x480 mm/memory.c:3269 do_cow_fault mm/memory.c:3710 [inline] do_fault mm/memory.c:3812 [inline] handle_pte_fault mm/memory.c:4041 [inline] __handle_mm_fault+0xf6d/0x3f80 mm/memory.c:4165 handle_mm_fault+0x1b5/0x690 mm/memory.c:4202 faultin_page mm/gup.c:530 [inline] __get_user_pages+0x609/0x17a0 mm/gup.c:730 populate_vma_page_range+0x20d/0x2a0 mm/gup.c:1234 __mm_populate+0x204/0x380 mm/gup.c:1282 mm_populate include/linux/mm.h:2328 [inline] vm_mmap_pgoff+0x213/0x230 mm/util.c:362 ksys_mmap_pgoff+0x4aa/0x630 mm/mmap.c:1586 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:91 [inline] __x64_sys_mmap+0xe9/0x1b0 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&mm->mmap_sem){++++}: lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __might_fault mm/memory.c:4638 [inline] __might_fault+0x15e/0x1e0 mm/memory.c:4623 _copy_to_user+0x30/0x120 lib/usercopy.c:25 copy_to_user include/linux/uaccess.h:155 [inline] mon_bin_read+0x329/0x640 drivers/usb/mon/mon_bin.c:825 do_loop_readv_writev fs/read_write.c:701 [inline] do_loop_readv_writev fs/read_write.c:688 [inline] do_iter_read+0x490/0x640 fs/read_write.c:925 vfs_readv+0xf0/0x160 fs/read_write.c:987 do_preadv+0x1c4/0x280 fs/read_write.c:1071 __do_sys_preadv fs/read_write.c:1121 [inline] __se_sys_preadv fs/read_write.c:1116 [inline] __x64_sys_preadv+0x9a/0xf0 fs/read_write.c:1116 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&rp->fetch_lock); lock(&mm->mmap_sem); lock(&rp->fetch_lock); lock(&mm->mmap_sem); *** DEADLOCK *** 1 lock held by syz-executor.1/22839: #0: 000000009bb699e7 (&rp->fetch_lock){+.+.}, at: mon_bin_read+0x60/0x640 drivers/usb/mon/mon_bin.c:813 stack backtrace: CPU: 1 PID: 22839 Comm: syz-executor.1 Not tainted 4.19.79 #0 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+0x172/0x1f0 lib/dump_stack.c:113 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1221 check_prev_add kernel/locking/lockdep.c:1861 [inline] check_prevs_add kernel/locking/lockdep.c:1974 [inline] validate_chain kernel/locking/lockdep.c:2415 [inline] __lock_acquire+0x2e19/0x49c0 kernel/locking/lockdep.c:3411 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __might_fault mm/memory.c:4638 [inline] __might_fault+0x15e/0x1e0 mm/memory.c:4623 _copy_to_user+0x30/0x120 lib/usercopy.c:25 copy_to_user include/linux/uaccess.h:155 [inline] mon_bin_read+0x329/0x640 drivers/usb/mon/mon_bin.c:825 do_loop_readv_writev fs/read_write.c:701 [inline] do_loop_readv_writev fs/read_write.c:688 [inline] do_iter_read+0x490/0x640 fs/read_write.c:925 vfs_readv+0xf0/0x160 fs/read_write.c:987 do_preadv+0x1c4/0x280 fs/read_write.c:1071 __do_sys_preadv fs/read_write.c:1121 [inline] __se_sys_preadv fs/read_write.c:1116 [inline] __x64_sys_preadv+0x9a/0xf0 fs/read_write.c:1116 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459a59 Code: fd 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f9e0e100c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459a59 RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9e0e1016d4 R13: 00000000004c6fa7 R14: 00000000004dc6c0 R15: 00000000ffffffff protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_1 audit: type=1804 audit(1570959024.575:135): pid=22846 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir124304715/syzkaller.t5J8m0/671/bus" dev="sda1" ino=17417 res=1 selinux_nlmsg_perm: 50 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=22839 comm=syz-executor.1 IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=22848 comm=syz-executor.1 kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' audit: type=1804 audit(1570959025.255:136): pid=22855 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir509105976/syzkaller.Ypgb9k/23/bus" dev="sda1" ino=17421 res=1 kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready kobject: 'loop4' (00000000a88fa1b1): kobject_uevent_env kobject: 'loop4' (00000000a88fa1b1): fill_kobj_path: path = '/devices/virtual/block/loop4' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=22848 comm=syz-executor.1 kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env audit: type=1804 audit(1570959025.785:137): pid=22878 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir124304715/syzkaller.t5J8m0/672/bus" dev="sda1" ino=17413 res=1 kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env audit: type=1804 audit(1570959025.805:138): pid=22885 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir509105976/syzkaller.Ypgb9k/24/bus" dev="sda1" ino=17421 res=1 kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=22907 comm=syz-executor.0 kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=22907 comm=syz-executor.0 kobject: 'loop4' (00000000a88fa1b1): kobject_uevent_env kobject: 'loop4' (00000000a88fa1b1): fill_kobj_path: path = '/devices/virtual/block/loop4' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=22913 comm=syz-executor.1 kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=22913 comm=syz-executor.1 kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=22925 comm=syz-executor.3 kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=22925 comm=syz-executor.3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=22933 comm=syz-executor.0 audit: type=1804 audit(1570959026.645:139): pid=22922 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir124304715/syzkaller.t5J8m0/673/bus" dev="sda1" ino=17413 res=1 audit: type=1804 audit(1570959026.685:140): pid=22937 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir509105976/syzkaller.Ypgb9k/25/bus" dev="sda1" ino=17415 res=1 kobject: 'loop4' (00000000a88fa1b1): kobject_uevent_env kobject: 'loop4' (00000000a88fa1b1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000a88fa1b1): kobject_uevent_env kobject: 'loop4' (00000000a88fa1b1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' net_ratelimit: 18 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (00000000a88fa1b1): kobject_uevent_env kobject: 'loop4' (00000000a88fa1b1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (00000000a88fa1b1): kobject_uevent_env kobject: 'loop4' (00000000a88fa1b1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): 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: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000a88fa1b1): kobject_uevent_env kobject: 'loop4' (00000000a88fa1b1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' selinux_nlmsg_perm: 49 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=23062 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=23063 comm=syz-executor.1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=23062 comm=syz-executor.4 kobject: 'loop5' (000000008260feef): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=23063 comm=syz-executor.1 kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=23074 comm=syz-executor.3 kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=23074 comm=syz-executor.3 kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=23085 comm=syz-executor.2 kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=23085 comm=syz-executor.2 kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000a88fa1b1): kobject_uevent_env kobject: 'loop4' (00000000a88fa1b1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=23099 comm=syz-executor.4 kobject: 'loop5' (000000008260feef): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=537 sclass=netlink_route_socket pig=23099 comm=syz-executor.4 kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000a88fa1b1): kobject_uevent_env kobject: 'loop4' (00000000a88fa1b1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000a88fa1b1): kobject_uevent_env kobject: 'loop4' (00000000a88fa1b1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (00000000a88fa1b1): kobject_uevent_env kobject: 'loop4' (00000000a88fa1b1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000a88fa1b1): kobject_uevent_env kobject: 'loop4' (00000000a88fa1b1): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000009a44b184): kobject_uevent_env nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (00000000a88fa1b1): kobject_uevent_env kobject: 'loop4' (00000000a88fa1b1): fill_kobj_path: path = '/devices/virtual/block/loop4' nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' net_ratelimit: 22 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000dfd25c9a): kobject_uevent_env kobject: 'loop3' (00000000dfd25c9a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000008260feef): kobject_uevent_env kobject: 'loop5' (000000008260feef): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000a7c856e7): kobject_uevent_env kobject: 'loop0' (00000000a7c856e7): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (000000009a44b184): kobject_uevent_env kobject: 'loop1' (000000009a44b184): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (000000000688b24f): kobject_uevent_env kobject: 'loop2' (000000000688b24f): fill_kobj_path: path = '/devices/virtual/block/loop2'