block nbd4: NBD_DISCONNECT block nbd4: Send disconnect failed -32 audit: type=1400 audit(1570245273.833:514): avc: denied { map } for pid=29781 comm="syz-executor.5" path="/dev/usbmon0" dev="devtmpfs" ino=14619 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:usbmon_device_t:s0 tclass=chr_file permissive=1 ====================================================== WARNING: possible circular locking dependency detected 4.14.146 #0 Not tainted ------------------------------------------------------ syz-executor.5/29783 is trying to acquire lock: (&rp->fetch_lock){+.+.}, at: [] mon_bin_vma_fault+0x6f/0x280 drivers/usb/mon/mon_bin.c:1236 but task is already holding lock: (&mm->mmap_sem){++++}, at: [] __mm_populate+0x1e5/0x2c0 mm/gup.c:1259 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&mm->mmap_sem){++++}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3991 __might_fault mm/memory.c:4584 [inline] __might_fault+0x143/0x1d0 mm/memory.c:4569 _copy_to_user+0x2c/0xd0 lib/usercopy.c:25 copy_to_user include/linux/uaccess.h:155 [inline] mon_bin_get_event+0x10a/0x430 drivers/usb/mon/mon_bin.c:756 mon_bin_ioctl+0x9b4/0xb50 drivers/usb/mon/mon_bin.c:1067 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 -> #0 (&rp->fetch_lock){+.+.}: 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 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 mon_bin_vma_fault+0x6f/0x280 drivers/usb/mon/mon_bin.c:1236 __do_fault+0x104/0x390 mm/memory.c:3223 block nbd4: shutting down sockets do_cow_fault mm/memory.c:3662 [inline] do_fault mm/memory.c:3761 [inline] handle_pte_fault mm/memory.c:3989 [inline] __handle_mm_fault+0xde1/0x3470 mm/memory.c:4113 handle_mm_fault+0x293/0x7c0 mm/memory.c:4150 faultin_page mm/gup.c:514 [inline] __get_user_pages+0x465/0x1220 mm/gup.c:714 populate_vma_page_range+0x18e/0x230 mm/gup.c:1231 __mm_populate+0x198/0x2c0 mm/gup.c:1279 mm_populate include/linux/mm.h:2187 [inline] vm_mmap_pgoff+0x1be/0x1d0 mm/util.c:338 SYSC_mmap_pgoff mm/mmap.c:1551 [inline] SyS_mmap_pgoff+0x3ca/0x520 mm/mmap.c:1509 SYSC_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&mm->mmap_sem); lock(&rp->fetch_lock); lock(&mm->mmap_sem); lock(&rp->fetch_lock); *** DEADLOCK *** 1 lock held by syz-executor.5/29783: #0: (&mm->mmap_sem){++++}, at: [] __mm_populate+0x1e5/0x2c0 mm/gup.c:1259 stack backtrace: CPU: 0 PID: 29783 Comm: syz-executor.5 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 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 mon_bin_vma_fault+0x6f/0x280 drivers/usb/mon/mon_bin.c:1236 __do_fault+0x104/0x390 mm/memory.c:3223 do_cow_fault mm/memory.c:3662 [inline] do_fault mm/memory.c:3761 [inline] handle_pte_fault mm/memory.c:3989 [inline] __handle_mm_fault+0xde1/0x3470 mm/memory.c:4113 handle_mm_fault+0x293/0x7c0 mm/memory.c:4150 faultin_page mm/gup.c:514 [inline] __get_user_pages+0x465/0x1220 mm/gup.c:714 populate_vma_page_range+0x18e/0x230 mm/gup.c:1231 __mm_populate+0x198/0x2c0 mm/gup.c:1279 mm_populate include/linux/mm.h:2187 [inline] vm_mmap_pgoff+0x1be/0x1d0 mm/util.c:338 SYSC_mmap_pgoff mm/mmap.c:1551 [inline] SyS_mmap_pgoff+0x3ca/0x520 mm/mmap.c:1509 SYSC_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x459a59 RSP: 002b:00007f5552e51c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459a59 RDX: 0000000001000002 RSI: 0000000000400300 RDI: 0000000020a05000 RBP: 000000000075bf20 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000008012 R11: 0000000000000246 R12: 00007f5552e526d4 R13: 00000000004c6174 R14: 00000000004db118 R15: 00000000ffffffff kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env block nbd4: NBD_DISCONNECT block nbd4: Send disconnect failed -32 kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' block nbd4: shutting down sockets kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a49d20a0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d20a0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' net_ratelimit: 13 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a49d20a0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d20a0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'ipŽi0' (ffff888058a7ab30): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'ipŽi0' (ffff888058a7ab30): kobject_uevent_env kobject: 'ipŽi0' (ffff888058a7ab30): fill_kobj_path: path = '/devices/virtual/net/ipŽi0' kobject: 'queues' (ffff8880634ef348): kobject_add_internal: parent: 'ipŽi0', set: '' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'queues' (ffff8880634ef348): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (ffff8880634ef348): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88808fbf2f10): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'rx-0' (ffff88808fbf2f10): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (ffff88808fbf2f10): fill_kobj_path: path = '/devices/virtual/net/ipŽi0/queues/rx-0' kobject: 'tx-0' (ffff888064ed5cd8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888064ed5cd8): kobject_uevent_env kobject: 'tx-0' (ffff888064ed5cd8): fill_kobj_path: path = '/devices/virtual/net/ipŽi0/queues/tx-0' kobject: 'rx-0' (ffff88808fbf2f10): kobject_cleanup, parent ffff8880634ef348 kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (ffff88808fbf2f10): auto cleanup 'remove' event kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'rx-0' (ffff88808fbf2f10): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff88808fbf2f10): fill_kobj_path: path = '/devices/virtual/net/ipŽi0/queues/rx-0' kobject: 'rx-0' (ffff88808fbf2f10): auto cleanup kobject_del kobject: 'rx-0' (ffff88808fbf2f10): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff888064ed5cd8): kobject_cleanup, parent ffff8880634ef348 kobject: 'tx-0' (ffff888064ed5cd8): auto cleanup 'remove' event kobject: 'tx-0' (ffff888064ed5cd8): kobject_uevent_env kobject: 'tx-0' (ffff888064ed5cd8): fill_kobj_path: path = '/devices/virtual/net/ipŽi0/queues/tx-0' kobject: 'tx-0' (ffff888064ed5cd8): auto cleanup kobject_del kobject: 'tx-0' (ffff888064ed5cd8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880634ef348): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880634ef348): calling ktype release kobject: 'queues' (ffff8880634ef348): kset_release kobject: 'queues': free name kobject: 'ipŽi0' (ffff888058a7ab30): kobject_uevent_env kobject: 'ipŽi0' (ffff888058a7ab30): fill_kobj_path: path = '/devices/virtual/net/ipŽi0' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 bond0: The slave device specified does not support setting the MAC address kobject: 'ipŽi0' (ffff888058a7ab30): kobject_cleanup, parent (null) bond0: The slave device specified does not support setting the MAC address kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'ipŽi0' (ffff888058a7ab30): calling ktype release kobject: 'ipŽi0': free name kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env bond0: The slave device specified does not support setting the MAC address kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env kobject: 'ipŽi0' (ffff88805511ab70): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'ipŽi0' (ffff88805511ab70): kobject_uevent_env kobject: 'ipŽi0' (ffff88805511ab70): fill_kobj_path: path = '/devices/virtual/net/ipŽi0' kobject: 'queues' (ffff88809fcaa648): kobject_add_internal: parent: 'ipŽi0', set: '' kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'queues' (ffff88809fcaa648): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (ffff88809fcaa648): kobject_uevent_env: filter function caused the event to drop! protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env kobject: 'rx-0' (ffff8880910d7490): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (ffff8880910d7490): kobject_uevent_env kobject: 'rx-0' (ffff8880910d7490): fill_kobj_path: path = '/devices/virtual/net/ipŽi0/queues/rx-0' kobject: 'tx-0' (ffff888099071ad8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888099071ad8): kobject_uevent_env kobject: 'tx-0' (ffff888099071ad8): fill_kobj_path: path = '/devices/virtual/net/ipŽi0/queues/tx-0' kobject: 'rx-0' (ffff8880910d7490): kobject_cleanup, parent ffff88809fcaa648 kobject: 'rx-0' (ffff8880910d7490): auto cleanup 'remove' event kobject: 'rx-0' (ffff8880910d7490): kobject_uevent_env kobject: 'rx-0' (ffff8880910d7490): fill_kobj_path: path = '/devices/virtual/net/ipŽi0/queues/rx-0' kobject: 'rx-0' (ffff8880910d7490): auto cleanup kobject_del kobject: 'rx-0' (ffff8880910d7490): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff888099071ad8): kobject_cleanup, parent ffff88809fcaa648 kobject: 'tx-0' (ffff888099071ad8): auto cleanup 'remove' event kobject: 'tx-0' (ffff888099071ad8): kobject_uevent_env kobject: 'tx-0' (ffff888099071ad8): fill_kobj_path: path = '/devices/virtual/net/ipŽi0/queues/tx-0' kobject: 'tx-0' (ffff888099071ad8): auto cleanup kobject_del kobject: 'tx-0' (ffff888099071ad8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88809fcaa648): kobject_cleanup, parent (null) kobject: 'queues' (ffff88809fcaa648): calling ktype release kobject: 'queues' (ffff88809fcaa648): kset_release kobject: 'queues': free name kobject: 'ipŽi0' (ffff88805511ab70): kobject_uevent_env kobject: 'ipŽi0' (ffff88805511ab70): fill_kobj_path: path = '/devices/virtual/net/ipŽi0' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'ipŽi0' (ffff88805511ab70): kobject_cleanup, parent (null) kobject: 'ipŽi0' (ffff88805511ab70): calling ktype release kobject: 'ipŽi0': free name kobject: 'loop1' (ffff8880a49d20a0): kobject_uevent_env bond0: The slave device specified does not support setting the MAC address kobject: 'loop1' (ffff8880a49d20a0): fill_kobj_path: path = '/devices/virtual/block/loop1' bond0: The slave device specified does not support setting the MAC address kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' bond0: The slave device specified does not support setting the MAC address kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env 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 kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' bond0: The slave device specified does not support setting the MAC address kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env bond0: The slave device specified does not support setting the MAC address kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1804 audit(1570245277.463:515): pid=29967 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor.3" name="/root/syzkaller-testdir671602068/syzkaller.FctSod/801/file0" dev="sda1" ino=16605 res=1 kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (ffff8880a49d20a0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop1' (ffff8880a49d20a0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' audit: type=1400 audit(1570245277.793:516): avc: denied { set_context_mgr } for pid=29993 comm="syz-executor.4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=binder permissive=1 kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49d20a0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d20a0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49d20a0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d20a0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49d20a0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d20a0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rfcomm5' (ffff8880588a1350): kobject_add_internal: parent: 'tty', set: 'devices' kobject: 'rfcomm5' (ffff8880588a1350): kobject_uevent_env kobject: 'rfcomm5' (ffff8880588a1350): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rfcomm5' (ffff8880588a1350): kobject_uevent_env kobject: 'rfcomm5' (ffff8880588a1350): fill_kobj_path: path = '/devices/virtual/tty/rfcomm5' kobject: 'loop1' (ffff8880a49d20a0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d20a0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rfcomm6' (ffff888060e86010): kobject_add_internal: parent: 'tty', set: 'devices' kobject: 'rfcomm6' (ffff888060e86010): kobject_uevent_env kobject: 'rfcomm6' (ffff888060e86010): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rfcomm6' (ffff888060e86010): kobject_uevent_env kobject: 'rfcomm6' (ffff888060e86010): fill_kobj_path: path = '/devices/virtual/tty/rfcomm6' kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rfcomm7' (ffff888065191710): kobject_add_internal: parent: 'tty', set: 'devices' kobject: 'rfcomm7' (ffff888065191710): kobject_uevent_env kobject: 'rfcomm7' (ffff888065191710): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rfcomm7' (ffff888065191710): kobject_uevent_env kobject: 'rfcomm7' (ffff888065191710): fill_kobj_path: path = '/devices/virtual/tty/rfcomm7' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (ffff8880a49d20a0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d20a0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rfcomm8' (ffff8880645ba8d0): kobject_add_internal: parent: 'tty', set: 'devices' kobject: 'rfcomm8' (ffff8880645ba8d0): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'rfcomm8' (ffff8880645ba8d0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rfcomm8' (ffff8880645ba8d0): kobject_uevent_env kobject: 'rfcomm8' (ffff8880645ba8d0): fill_kobj_path: path = '/devices/virtual/tty/rfcomm8' kobject: 'rfcomm9' (ffff88805d9a8ed0): kobject_add_internal: parent: 'tty', set: 'devices' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'rfcomm9' (ffff88805d9a8ed0): kobject_uevent_env kobject: 'rfcomm9' (ffff88805d9a8ed0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'rfcomm9' (ffff88805d9a8ed0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rfcomm9' (ffff88805d9a8ed0): fill_kobj_path: path = '/devices/virtual/tty/rfcomm9' kobject: 'loop1' (ffff8880a49d20a0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d20a0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rfcomm10' (ffff8880939b0550): kobject_add_internal: parent: 'tty', set: 'devices' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'rfcomm10' (ffff8880939b0550): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rfcomm10' (ffff8880939b0550): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rfcomm10' (ffff8880939b0550): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'rfcomm10' (ffff8880939b0550): fill_kobj_path: path = '/devices/virtual/tty/rfcomm10' kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rfcomm11' (ffff88809f2762d0): kobject_add_internal: parent: 'tty', set: 'devices' kobject: 'rfcomm11' (ffff88809f2762d0): kobject_uevent_env kobject: 'rfcomm11' (ffff88809f2762d0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop1' (ffff8880a49d20a0): kobject_uevent_env kobject: 'rfcomm11' (ffff88809f2762d0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d20a0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'rfcomm11' (ffff88809f2762d0): fill_kobj_path: path = '/devices/virtual/tty/rfcomm11' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' net_ratelimit: 14 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rfcomm12' (ffff8880a7c70b90): kobject_add_internal: parent: 'tty', set: 'devices' 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 kobject: 'rfcomm12' (ffff8880a7c70b90): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rfcomm12' (ffff8880a7c70b90): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rfcomm12' (ffff8880a7c70b90): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'rfcomm12' (ffff8880a7c70b90): fill_kobj_path: path = '/devices/virtual/tty/rfcomm12' kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49d20a0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d20a0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): 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: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): 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: 'loop1' (ffff8880a49d20a0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d20a0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49d20a0): kobject_uevent_env kobject: 'loop1' (ffff8880a49d20a0): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4b12b20): kobject_uevent_env kobject: 'loop5' (ffff8880a4b12b20): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a4a6ca20): kobject_uevent_env kobject: 'loop3' (ffff8880a4a6ca20): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop0' (ffff88805ca60d20): kobject_uevent_env kobject: 'loop0' (ffff88805ca60d20): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (ffff8880a4adcaa0): kobject_uevent_env kobject: 'loop4' (ffff8880a4adcaa0): fill_kobj_path: path = '/devices/virtual/block/loop4'