====================================================== kobject: 'veth1462' (00000000d6eea0e8): kobject_add_internal: parent: 'net', set: 'devices' WARNING: possible circular locking dependency detected 4.19.87-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.4/18110 is trying to acquire lock: 00000000abc445cf (&rp->fetch_lock){+.+.}, at: mon_bin_vma_fault+0x73/0x2d0 drivers/usb/mon/mon_bin.c:1237 but task is already holding lock: kobject: 'veth1462' (00000000d6eea0e8): kobject_uevent_env 00000000c4c870dc (&mm->mmap_sem){++++}, at: __mm_populate+0x270/0x380 mm/gup.c:1262 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&mm->mmap_sem){++++}: __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 kobject: 'veth1462' (00000000d6eea0e8): fill_kobj_path: path = '/devices/virtual/net/veth1462' 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 -> #0 (&rp->fetch_lock){+.+.}: kobject: 'queues' (000000004eb1a3e4): kobject_add_internal: parent: 'veth1462', set: '' lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903 __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 kobject: 'queues' (000000004eb1a3e4): kobject_uevent_env 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+0x609/0x1860 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:2323 [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 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.4/18110: #0: 00000000c4c870dc (&mm->mmap_sem){++++}, at: __mm_populate+0x270/0x380 mm/gup.c:1262 stack backtrace: CPU: 0 PID: 18110 Comm: syz-executor.4 Not tainted 4.19.87-syzkaller #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+0x197/0x210 lib/dump_stack.c:118 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 __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+0x609/0x1860 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:2323 [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 RIP: 0033:0x45a679 Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f9e20630c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a679 RDX: 0000000001000002 RSI: 0000000000400300 RDI: 0000000020a05000 RBP: 000000000075bf20 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000008012 R11: 0000000000000246 R12: 00007f9e206316d4 R13: 00000000004c7861 R14: 00000000004de5a8 R15: 00000000ffffffff audit: type=1400 audit(1575494162.679:214): avc: denied { map } for pid=18109 comm="syz-executor.4" path="/dev/usbmon0" dev="devtmpfs" ino=18243 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 kobject: 'queues' (000000004eb1a3e4): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (0000000087dc39fd): kobject_uevent_env kobject: 'rx-0' (0000000062b46c6c): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (0000000087dc39fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (0000000062b46c6c): kobject_uevent_env kobject: 'rx-0' (0000000062b46c6c): fill_kobj_path: path = '/devices/virtual/net/veth1462/queues/rx-0' kobject: 'loop1' (0000000071b1b4ee): kobject_uevent_env kobject: 'tx-0' (00000000f3438abb): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop1' (0000000071b1b4ee): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'tx-0' (00000000f3438abb): kobject_uevent_env kobject: 'loop3' (00000000b782d102): kobject_uevent_env kobject: 'tx-0' (00000000f3438abb): fill_kobj_path: path = '/devices/virtual/net/veth1462/queues/tx-0' kobject: 'loop3' (00000000b782d102): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'batman_adv' (000000002309a39c): kobject_add_internal: parent: 'veth1462', set: '' kobject: 'veth1463' (000000003cca874e): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth1463' (000000003cca874e): kobject_uevent_env kobject: 'veth1463' (000000003cca874e): fill_kobj_path: path = '/devices/virtual/net/veth1463' kobject: 'queues' (00000000cbaf97b4): kobject_add_internal: parent: 'veth1463', set: '' kobject: 'queues' (00000000cbaf97b4): kobject_uevent_env kobject: 'queues' (00000000cbaf97b4): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000000db752d2): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (00000000a2f2454c): kobject_uevent_env kobject: 'rx-0' (000000000db752d2): kobject_uevent_env kobject: 'loop4' (00000000a2f2454c): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (000000000db752d2): fill_kobj_path: path = '/devices/virtual/net/veth1463/queues/rx-0' kobject: 'tx-0' (00000000501caa45): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000501caa45): kobject_uevent_env kobject: 'tx-0' (00000000501caa45): fill_kobj_path: path = '/devices/virtual/net/veth1463/queues/tx-0' kobject: 'batman_adv' (00000000a685490b): kobject_add_internal: parent: 'veth1463', set: '' kobject: 'batman_adv' (00000000a685490b): kobject_uevent_env kobject: 'batman_adv' (00000000a685490b): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000a685490b): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000a685490b): calling ktype release kobject: (00000000a685490b): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (000000000db752d2): kobject_cleanup, parent 00000000cbaf97b4 kobject: 'rx-0' (000000000db752d2): auto cleanup 'remove' event kobject: 'rx-0' (000000000db752d2): kobject_uevent_env kobject: 'rx-0' (000000000db752d2): fill_kobj_path: path = '/devices/virtual/net/veth1463/queues/rx-0' kobject: 'rx-0' (000000000db752d2): auto cleanup kobject_del kobject: 'rx-0' (000000000db752d2): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000501caa45): kobject_cleanup, parent 00000000cbaf97b4 kobject: 'tx-0' (00000000501caa45): auto cleanup 'remove' event kobject: 'tx-0' (00000000501caa45): kobject_uevent_env kobject: 'tx-0' (00000000501caa45): fill_kobj_path: path = '/devices/virtual/net/veth1463/queues/tx-0' kobject: 'tx-0' (00000000501caa45): auto cleanup kobject_del kobject: 'tx-0' (00000000501caa45): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000cbaf97b4): kobject_cleanup, parent (null) kobject: 'queues' (00000000cbaf97b4): calling ktype release kobject: 'queues' (00000000cbaf97b4): kset_release kobject: 'queues': free name kobject: 'veth1463' (000000003cca874e): kobject_uevent_env kobject: 'veth1463' (000000003cca874e): fill_kobj_path: path = '/devices/virtual/net/veth1463' kobject: 'batman_adv' (000000002309a39c): kobject_uevent_env kobject: 'batman_adv' (000000002309a39c): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (000000002309a39c): kobject_cleanup, parent (null) kobject: 'batman_adv' (000000002309a39c): calling ktype release kobject: (000000002309a39c): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (0000000062b46c6c): kobject_cleanup, parent 000000004eb1a3e4 kobject: 'rx-0' (0000000062b46c6c): auto cleanup 'remove' event kobject: 'rx-0' (0000000062b46c6c): kobject_uevent_env kobject: 'rx-0' (0000000062b46c6c): fill_kobj_path: path = '/devices/virtual/net/veth1462/queues/rx-0' kobject: 'rx-0' (0000000062b46c6c): auto cleanup kobject_del kobject: 'rx-0' (0000000062b46c6c): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000f3438abb): kobject_cleanup, parent 000000004eb1a3e4 kobject: 'tx-0' (00000000f3438abb): auto cleanup 'remove' event kobject: 'tx-0' (00000000f3438abb): kobject_uevent_env kobject: 'tx-0' (00000000f3438abb): fill_kobj_path: path = '/devices/virtual/net/veth1462/queues/tx-0' kobject: 'tx-0' (00000000f3438abb): auto cleanup kobject_del kobject: 'tx-0' (00000000f3438abb): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000004eb1a3e4): kobject_cleanup, parent (null) kobject: 'queues' (000000004eb1a3e4): calling ktype release kobject: 'queues' (000000004eb1a3e4): kset_release kobject: 'queues': free name kobject: 'veth1462' (00000000d6eea0e8): kobject_uevent_env kobject: 'veth1462' (00000000d6eea0e8): fill_kobj_path: path = '/devices/virtual/net/veth1462' kobject: 'veth1463' (000000003cca874e): kobject_cleanup, parent (null) kobject: 'veth1463' (000000003cca874e): calling ktype release kobject: 'veth1463': free name kobject: 'veth1462' (00000000d6eea0e8): kobject_cleanup, parent (null) kobject: 'veth1462' (00000000d6eea0e8): calling ktype release kobject: 'veth1462': free name kobject: 'veth880' (0000000029571744): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth880' (0000000029571744): kobject_uevent_env kobject: 'loop2' (000000001103102b): kobject_uevent_env kobject: 'veth880' (0000000029571744): fill_kobj_path: path = '/devices/virtual/net/veth880' kobject: 'loop2' (000000001103102b): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (000000008be674bc): kobject_add_internal: parent: 'veth880', set: '' kobject: 'loop5' (0000000087dc39fd): kobject_uevent_env kobject: 'loop5' (0000000087dc39fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (00000000b782d102): kobject_uevent_env kobject: 'queues' (000000008be674bc): kobject_uevent_env kobject: 'loop3' (00000000b782d102): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (000000008be674bc): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000007c234a09): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (0000000087dc39fd): kobject_uevent_env kobject: 'rx-0' (000000007c234a09): kobject_uevent_env kobject: 'rx-0' (000000007c234a09): fill_kobj_path: path = '/devices/virtual/net/veth880/queues/rx-0' kobject: 'loop5' (0000000087dc39fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (00000000a2f2454c): kobject_uevent_env kobject: 'loop4' (00000000a2f2454c): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (00000000437dafe7): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop3' (00000000b782d102): kobject_uevent_env kobject: 'loop3' (00000000b782d102): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (00000000437dafe7): kobject_uevent_env kobject: 'loop5' (0000000087dc39fd): kobject_uevent_env kobject: 'tx-0' (00000000437dafe7): fill_kobj_path: path = '/devices/virtual/net/veth880/queues/tx-0' kobject: 'loop5' (0000000087dc39fd): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'batman_adv' (00000000cbb5f7f8): kobject_add_internal: parent: 'veth880', set: '' kobject: 'loop3' (00000000b782d102): kobject_uevent_env kobject: 'loop3' (00000000b782d102): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'veth881' (000000005a1fc068): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth881' (000000005a1fc068): kobject_uevent_env kobject: 'veth881' (000000005a1fc068): fill_kobj_path: path = '/devices/virtual/net/veth881' kobject: 'queues' (0000000041c861cf): kobject_add_internal: parent: 'veth881', set: '' kobject: 'queues' (0000000041c861cf): kobject_uevent_env kobject: 'queues' (0000000041c861cf): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (00000000f75151a4): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (00000000f75151a4): kobject_uevent_env kobject: 'rx-0' (00000000f75151a4): fill_kobj_path: path = '/devices/virtual/net/veth881/queues/rx-0' kobject: 'loop4' (00000000a2f2454c): kobject_uevent_env kobject: 'tx-0' (00000000138dd4ba): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop4' (00000000a2f2454c): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'tx-0' (00000000138dd4ba): kobject_uevent_env kobject: 'tx-0' (00000000138dd4ba): fill_kobj_path: path = '/devices/virtual/net/veth881/queues/tx-0' kobject: 'batman_adv' (0000000009980217): kobject_add_internal: parent: 'veth881', set: '' kobject: 'veth1462' (00000000cdbdd155): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth1462' (00000000cdbdd155): kobject_uevent_env kobject: 'veth1462' (00000000cdbdd155): fill_kobj_path: path = '/devices/virtual/net/veth1462' kobject: 'queues' (00000000f4247b6b): kobject_add_internal: parent: 'veth1462', set: '' kobject: 'queues' (00000000f4247b6b): kobject_uevent_env kobject: 'queues' (00000000f4247b6b): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000001aa41751): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (000000001aa41751): kobject_uevent_env kobject: 'rx-0' (000000001aa41751): fill_kobj_path: path = '/devices/virtual/net/veth1462/queues/rx-0' kobject: 'tx-0' (00000000e3acf033): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (00000000e3acf033): kobject_uevent_env kobject: 'tx-0' (00000000e3acf033): fill_kobj_path: path = '/devices/virtual/net/veth1462/queues/tx-0' kobject: 'batman_adv' (00000000e5eae15b): kobject_add_internal: parent: 'veth1462', set: '' kobject: 'veth1463' (0000000068f65923): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'veth1463' (0000000068f65923): kobject_uevent_env kobject: 'veth1463' (0000000068f65923): fill_kobj_path: path = '/devices/virtual/net/veth1463' kobject: 'queues' (000000002785739b): kobject_add_internal: parent: 'veth1463', set: '' kobject: 'queues' (000000002785739b): kobject_uevent_env kobject: 'queues' (000000002785739b): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (000000002b52ed3f): kobject_add_internal: parent: 'queues', set: 'queues' net_ratelimit: 15 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 kobject: 'rx-0' (000000002b52ed3f): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_1 kobject: 'rx-0' (000000002b52ed3f): fill_kobj_path: path = '/devices/virtual/net/veth1463/queues/rx-0' protocol 88fb is buggy, dev hsr_slave_0 kobject: 'tx-0' (0000000085546522): kobject_add_internal: parent: 'queues', set: 'queues' protocol 88fb is buggy, dev hsr_slave_1 kobject: 'tx-0' (0000000085546522): kobject_uevent_env kobject: 'tx-0' (0000000085546522): fill_kobj_path: path = '/devices/virtual/net/veth1463/queues/tx-0' kobject: 'batman_adv' (0000000074b68966): kobject_add_internal: parent: 'veth1463', set: '' kobject: 'batman_adv' (0000000074b68966): kobject_uevent_env kobject: 'batman_adv' (0000000074b68966): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (0000000074b68966): kobject_cleanup, parent (null) kobject: 'batman_adv' (0000000074b68966): calling ktype release kobject: (0000000074b68966): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (000000002b52ed3f): kobject_cleanup, parent 000000002785739b kobject: 'rx-0' (000000002b52ed3f): auto cleanup 'remove' event kobject: 'rx-0' (000000002b52ed3f): kobject_uevent_env kobject: 'rx-0' (000000002b52ed3f): fill_kobj_path: path = '/devices/virtual/net/veth1463/queues/rx-0' kobject: 'rx-0' (000000002b52ed3f): auto cleanup kobject_del kobject: 'rx-0' (000000002b52ed3f): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (0000000085546522): kobject_cleanup, parent 000000002785739b kobject: 'tx-0' (0000000085546522): auto cleanup 'remove' event kobject: 'tx-0' (0000000085546522): kobject_uevent_env kobject: 'tx-0' (0000000085546522): fill_kobj_path: path = '/devices/virtual/net/veth1463/queues/tx-0' kobject: 'tx-0' (0000000085546522): auto cleanup kobject_del kobject: 'tx-0' (0000000085546522): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000002785739b): kobject_cleanup, parent (null) kobject: 'queues' (000000002785739b): calling ktype release kobject: 'queues' (000000002785739b): kset_release kobject: 'queues': free name kobject: 'veth1463' (0000000068f65923): kobject_uevent_env kobject: 'veth1463' (0000000068f65923): fill_kobj_path: path = '/devices/virtual/net/veth1463' kobject: 'batman_adv' (00000000e5eae15b): kobject_uevent_env kobject: 'batman_adv' (00000000e5eae15b): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (00000000e5eae15b): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000e5eae15b): calling ktype release kobject: (00000000e5eae15b): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (000000001aa41751): kobject_cleanup, parent 00000000f4247b6b kobject: 'rx-0' (000000001aa41751): auto cleanup 'remove' event kobject: 'rx-0' (000000001aa41751): kobject_uevent_env kobject: 'rx-0' (000000001aa41751): fill_kobj_path: path = '/devices/virtual/net/veth1462/queues/rx-0' kobject: 'rx-0' (000000001aa41751): auto cleanup kobject_del kobject: 'rx-0' (000000001aa41751): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000e3acf033): kobject_cleanup, parent 00000000f4247b6b kobject: 'tx-0' (00000000e3acf033): auto cleanup 'remove' event kobject: 'tx-0' (00000000e3acf033): kobject_uevent_env kobject: 'tx-0' (00000000e3acf033): fill_kobj_path: path = '/devices/virtual/net/veth1462/queues/tx-0' kobject: 'tx-0' (00000000e3acf033): auto cleanup kobject_del kobject: 'tx-0' (00000000e3acf033): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000f4247b6b): kobject_cleanup, parent (null) kobject: 'queues' (00000000f4247b6b): calling ktype release kobject: 'queues' (00000000f4247b6b): kset_release kobject: 'queues': free name kobject: 'veth1462' (00000000cdbdd155): kobject_uevent_env kobject: 'veth1462' (00000000cdbdd155): fill_kobj_path: path = '/devices/virtual/net/veth1462'