======================================================
WARNING: possible circular locking dependency detected
4.19.86-syzkaller #0 Not tainted
------------------------------------------------------
syz-executor.3/3060 is trying to acquire lock:
00000000b1cd2e88 (&mm->mmap_sem){++++}, at: __might_fault+0xfb/0x1e0 mm/memory.c:4637
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
but task is already holding lock:
000000002c3cde78 (&rp->fetch_lock){+.+.}, at: mon_bin_read+0x60/0x640 drivers/usb/mon/mon_bin.c:813
which lock already depends on the new lock.
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
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+0x609/0x1860 mm/gup.c:730
populate_vma_page_range+0x20d/0x2a0 mm/gup.c:1234
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
__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
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
-> #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_readv+0x15e/0x370 fs/read_write.c:1020
__do_sys_readv fs/read_write.c:1107 [inline]
__se_sys_readv fs/read_write.c:1104 [inline]
__x64_sys_readv+0x75/0xb0 fs/read_write.c:1104
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 ***
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
1 lock held by syz-executor.3/3060:
#0: 000000002c3cde78
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
(&rp->fetch_lock){+.+.}, at: mon_bin_read+0x60/0x640 drivers/usb/mon/mon_bin.c:813
stack backtrace:
CPU: 0 PID: 3060 Comm: syz-executor.3 Not tainted 4.19.86-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
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3903
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
__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_readv+0x15e/0x370 fs/read_write.c:1020
__do_sys_readv fs/read_write.c:1107 [inline]
__se_sys_readv fs/read_write.c:1104 [inline]
__x64_sys_readv+0x75/0xb0 fs/read_write.c:1104
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:00007f7e32047c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679
RDX: 0000000000000002 RSI: 0000000020000600 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7e320486d4
R13: 00000000004c8105 R14: 00000000004decd8 R15: 00000000ffffffff
kobject: 'loop3' (000000005fb93c9b): kobject_uevent_env
kobject: 'loop3' (000000005fb93c9b): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (000000005fb93c9b): kobject_uevent_env
kobject: 'loop3' (000000005fb93c9b): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
kobject: 'slcan0' (00000000929cc7e3): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'slcan0' (00000000929cc7e3): kobject_uevent_env
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
kobject: 'slcan0' (00000000929cc7e3): fill_kobj_path: path = '/devices/virtual/net/slcan0'
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'queues' (0000000042e7b23a): kobject_add_internal: parent: 'slcan0', set: '<NULL>'
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'queues' (0000000042e7b23a): kobject_uevent_env
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'queues' (0000000042e7b23a): kobject_uevent_env: filter function caused the event to drop!
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'rx-0' (00000000e2968796): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop3' (000000005fb93c9b): kobject_uevent_env
kobject: 'rx-0' (00000000e2968796): kobject_uevent_env
kobject: 'loop3' (000000005fb93c9b): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'rx-0' (00000000e2968796): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/rx-0'
kobject: 'tx-0' (00000000d0df0531): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (00000000d0df0531): kobject_uevent_env
kobject: 'tx-0' (00000000d0df0531): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/tx-0'
kobject: 'rx-0' (00000000e2968796): kobject_cleanup, parent 0000000042e7b23a
kobject: 'rx-0' (00000000e2968796): auto cleanup 'remove' event
kobject: 'rx-0' (00000000e2968796): kobject_uevent_env
kobject: 'rx-0' (00000000e2968796): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/rx-0'
kobject: 'rx-0' (00000000e2968796): auto cleanup kobject_del
kobject: 'rx-0' (00000000e2968796): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000d0df0531): kobject_cleanup, parent 0000000042e7b23a
kobject: 'tx-0' (00000000d0df0531): auto cleanup 'remove' event
kobject: 'tx-0' (00000000d0df0531): kobject_uevent_env
kobject: 'tx-0' (00000000d0df0531): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/tx-0'
kobject: 'tx-0' (00000000d0df0531): auto cleanup kobject_del
kobject: 'tx-0' (00000000d0df0531): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (0000000042e7b23a): kobject_cleanup, parent (null)
kobject: 'queues' (0000000042e7b23a): calling ktype release
kobject: 'queues' (0000000042e7b23a): kset_release
kobject: 'queues': free name
kobject: 'slcan0' (00000000929cc7e3): kobject_uevent_env
kobject: 'slcan0' (00000000929cc7e3): fill_kobj_path: path = '/devices/virtual/net/slcan0'
kobject: 'slcan0' (00000000929cc7e3): kobject_cleanup, parent (null)
kobject: 'slcan0' (00000000929cc7e3): calling ktype release
kobject: 'slcan0': free name
kobject: 'slcan0' (000000003835ba4b): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'slcan0' (000000003835ba4b): kobject_uevent_env
kobject: 'slcan0' (000000003835ba4b): fill_kobj_path: path = '/devices/virtual/net/slcan0'
SELinux: Context is not valid (left unmapped).
audit: type=1400 audit(1575080550.460:4190): avc: denied { relabelto } for pid=3275 comm="syz-executor.4" name="TCPv6" dev="sockfs" ino=155703 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:unlabeled_t:s0 tclass=tcp_socket permissive=1
kobject: 'queues' (0000000067cd9473): kobject_add_internal: parent: 'slcan0', set: '<NULL>'
kobject: 'queues' (0000000067cd9473): kobject_uevent_env
kobject: 'queues' (0000000067cd9473): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (00000000e7b7b884): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (00000000e7b7b884): kobject_uevent_env
kobject: 'rx-0' (00000000e7b7b884): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/rx-0'
kobject: 'tx-0' (000000002ca02552): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (000000002ca02552): kobject_uevent_env
kobject: 'tx-0' (000000002ca02552): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/tx-0'
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
kobject: 'rx-0' (00000000e7b7b884): kobject_cleanup, parent 0000000067cd9473
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'rx-0' (00000000e7b7b884): auto cleanup 'remove' event
kobject: 'rx-0' (00000000e7b7b884): kobject_uevent_env
kobject: 'rx-0' (00000000e7b7b884): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/rx-0'
kobject: 'rx-0' (00000000e7b7b884): auto cleanup kobject_del
kobject: 'rx-0' (00000000e7b7b884): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (000000002ca02552): kobject_cleanup, parent 0000000067cd9473
kobject: 'tx-0' (000000002ca02552): auto cleanup 'remove' event
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
protocol 88fb is buggy, dev hsr_slave_0
kobject: 'tx-0' (000000002ca02552): kobject_uevent_env
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'tx-0' (000000002ca02552): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/tx-0'
kobject: 'tx-0' (000000002ca02552): auto cleanup kobject_del
kobject: 'tx-0' (000000002ca02552): calling ktype release
kobject: 'loop3' (000000005fb93c9b): kobject_uevent_env
kobject: 'tx-0': free name
kobject: 'loop3' (000000005fb93c9b): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'queues' (0000000067cd9473): kobject_cleanup, parent (null)
kobject: 'queues' (0000000067cd9473): calling ktype release
kobject: 'queues' (0000000067cd9473): kset_release
kobject: 'queues': free name
kobject: 'slcan0' (000000003835ba4b): kobject_uevent_env
kobject: 'slcan0' (000000003835ba4b): fill_kobj_path: path = '/devices/virtual/net/slcan0'
kobject: 'ip6gre1' (00000000f51975a2): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'ip6gre1' (00000000f51975a2): kobject_uevent_env
kobject: 'ip6gre1' (00000000f51975a2): fill_kobj_path: path = '/devices/virtual/net/ip6gre1'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'queues' (0000000091cb563b): kobject_add_internal: parent: 'ip6gre1', set: '<NULL>'
kobject: 'queues' (0000000091cb563b): kobject_uevent_env
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'queues' (0000000091cb563b): kobject_uevent_env: filter function caused the event to drop!
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'rx-0' (00000000b548ab95): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (00000000b548ab95): kobject_uevent_env
kobject: 'rx-0' (00000000b548ab95): fill_kobj_path: path = '/devices/virtual/net/ip6gre1/queues/rx-0'
kobject: 'tx-0' (0000000003c97073): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (0000000003c97073): kobject_uevent_env
kobject: 'tx-0' (0000000003c97073): fill_kobj_path: path = '/devices/virtual/net/ip6gre1/queues/tx-0'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'slcan0' (000000003835ba4b): kobject_cleanup, parent (null)
kobject: 'slcan0' (000000003835ba4b): calling ktype release
kobject: 'slcan0': free name
kobject: 'slcan0' (0000000072e27dd7): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
kobject: 'slcan0' (0000000072e27dd7): kobject_uevent_env
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'slcan0' (0000000072e27dd7): fill_kobj_path: path = '/devices/virtual/net/slcan0'
kobject: 'queues' (0000000044b1c379): kobject_add_internal: parent: 'slcan0', set: '<NULL>'
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'queues' (0000000044b1c379): kobject_uevent_env
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'queues' (0000000044b1c379): kobject_uevent_env: filter function caused the event to drop!
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'rx-0' (00000000eab32343): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (00000000eab32343): kobject_uevent_env
kobject: 'rx-0' (00000000eab32343): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/rx-0'
kobject: 'tx-0' (0000000029b99d66): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop3' (000000005fb93c9b): kobject_uevent_env
kobject: 'loop3' (000000005fb93c9b): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'tx-0' (0000000029b99d66): kobject_uevent_env
kobject: 'tx-0' (0000000029b99d66): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/tx-0'
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'rx-0' (00000000eab32343): kobject_cleanup, parent 0000000044b1c379
kobject: 'rx-0' (00000000eab32343): auto cleanup 'remove' event
kobject: 'rx-0' (00000000eab32343): kobject_uevent_env
kobject: 'rx-0' (00000000eab32343): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/rx-0'
kobject: 'rx-0' (00000000eab32343): auto cleanup kobject_del
kobject: 'rx-0' (00000000eab32343): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (0000000029b99d66): kobject_cleanup, parent 0000000044b1c379
kobject: 'tx-0' (0000000029b99d66): auto cleanup 'remove' event
kobject: 'tx-0' (0000000029b99d66): kobject_uevent_env
kobject: 'tx-0' (0000000029b99d66): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/tx-0'
kobject: 'tx-0' (0000000029b99d66): auto cleanup kobject_del
kobject: 'tx-0' (0000000029b99d66): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (0000000044b1c379): kobject_cleanup, parent (null)
kobject: 'queues' (0000000044b1c379): calling ktype release
kobject: 'queues' (0000000044b1c379): kset_release
kobject: 'queues': free name
kobject: 'slcan0' (0000000072e27dd7): kobject_uevent_env
kobject: 'slcan0' (0000000072e27dd7): fill_kobj_path: path = '/devices/virtual/net/slcan0'
kobject: 'ip6gre1' (00000000d4cef6da): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'ip6gre1' (00000000d4cef6da): kobject_uevent_env
kobject: 'ip6gre1' (00000000d4cef6da): fill_kobj_path: path = '/devices/virtual/net/ip6gre1'
kobject: 'queues' (00000000a181bd94): kobject_add_internal: parent: 'ip6gre1', set: '<NULL>'
kobject: 'queues' (00000000a181bd94): kobject_uevent_env
kobject: 'queues' (00000000a181bd94): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (000000001162bde6): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (000000001162bde6): kobject_uevent_env
kobject: 'rx-0' (000000001162bde6): fill_kobj_path: path = '/devices/virtual/net/ip6gre1/queues/rx-0'
kobject: 'tx-0' (0000000010e0a47d): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (0000000010e0a47d): kobject_uevent_env
kobject: 'tx-0' (0000000010e0a47d): fill_kobj_path: path = '/devices/virtual/net/ip6gre1/queues/tx-0'
kobject: 'ip6gre1' (0000000009e3214b): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'loop3' (000000005fb93c9b): kobject_uevent_env
kobject: 'loop3' (000000005fb93c9b): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'ip6gre1' (0000000009e3214b): kobject_uevent_env
kobject: 'ip6gre1' (0000000009e3214b): fill_kobj_path: path = '/devices/virtual/net/ip6gre1'
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
kobject: 'queues' (00000000acbd4580): kobject_add_internal: parent: 'ip6gre1', set: '<NULL>'
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'queues' (00000000acbd4580): kobject_uevent_env
kobject: 'queues' (00000000acbd4580): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (0000000045d6e5b1): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (0000000045d6e5b1): kobject_uevent_env
kobject: 'rx-0' (0000000045d6e5b1): fill_kobj_path: path = '/devices/virtual/net/ip6gre1/queues/rx-0'
kobject: 'tx-0' (000000003d92c80b): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (000000003d92c80b): kobject_uevent_env
kobject: 'tx-0' (000000003d92c80b): fill_kobj_path: path = '/devices/virtual/net/ip6gre1/queues/tx-0'
kobject: 'slcan0' (0000000072e27dd7): kobject_cleanup, parent (null)
kobject: 'slcan0' (0000000072e27dd7): calling ktype release
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'slcan0': free name
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'slcan0' (0000000022145307): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'slcan0' (0000000022145307): kobject_uevent_env
kobject: 'slcan0' (0000000022145307): fill_kobj_path: path = '/devices/virtual/net/slcan0'
kobject: 'queues' (00000000b3f36600): kobject_add_internal: parent: 'slcan0', set: '<NULL>'
kobject: 'queues' (00000000b3f36600): kobject_uevent_env
kobject: 'queues' (00000000b3f36600): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (00000000bb0240c9): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (00000000bb0240c9): kobject_uevent_env
kobject: 'rx-0' (00000000bb0240c9): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/rx-0'
kobject: 'tx-0' (0000000075d620b3): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (0000000075d620b3): kobject_uevent_env
kobject: 'tx-0' (0000000075d620b3): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/tx-0'
kobject: 'ip6gre1' (0000000002120470): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'ip6gre1' (0000000002120470): kobject_uevent_env
kobject: 'ip6gre1' (0000000002120470): fill_kobj_path: path = '/devices/virtual/net/ip6gre1'
kobject: 'queues' (00000000adb698d8): kobject_add_internal: parent: 'ip6gre1', set: '<NULL>'
kobject: 'queues' (00000000adb698d8): kobject_uevent_env
kobject: 'queues' (00000000adb698d8): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (000000003e3cc305): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (000000003e3cc305): kobject_uevent_env
kobject: 'rx-0' (000000003e3cc305): fill_kobj_path: path = '/devices/virtual/net/ip6gre1/queues/rx-0'
kobject: 'tx-0' (0000000066f3ebbb): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (0000000066f3ebbb): kobject_uevent_env
kobject: 'tx-0' (0000000066f3ebbb): fill_kobj_path: path = '/devices/virtual/net/ip6gre1/queues/tx-0'
kobject: 'rx-0' (00000000bb0240c9): kobject_cleanup, parent 00000000b3f36600
kobject: 'rx-0' (00000000bb0240c9): auto cleanup 'remove' event
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'rx-0' (00000000bb0240c9): kobject_uevent_env
kobject: 'rx-0' (00000000bb0240c9): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/rx-0'
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'rx-0' (00000000bb0240c9): auto cleanup kobject_del
kobject: 'rx-0' (00000000bb0240c9): calling ktype release
kobject: 'rx-0': free name
kobject: 'loop3' (000000005fb93c9b): kobject_uevent_env
kobject: 'tx-0' (0000000075d620b3): kobject_cleanup, parent 00000000b3f36600
kobject: 'loop3' (000000005fb93c9b): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'tx-0' (0000000075d620b3): auto cleanup 'remove' event
kobject: 'tx-0' (0000000075d620b3): kobject_uevent_env
kobject: 'tx-0' (0000000075d620b3): fill_kobj_path: path = '/devices/virtual/net/slcan0/queues/tx-0'
kobject: 'tx-0' (0000000075d620b3): auto cleanup kobject_del
kobject: 'tx-0' (0000000075d620b3): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000b3f36600): kobject_cleanup, parent (null)
kobject: 'queues' (00000000b3f36600): calling ktype release
kobject: 'queues' (00000000b3f36600): kset_release
kobject: 'queues': free name
kobject: 'slcan0' (0000000022145307): kobject_uevent_env
kobject: 'slcan0' (0000000022145307): fill_kobj_path: path = '/devices/virtual/net/slcan0'
kobject: 'ip6gre1' (000000007e5cc555): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
kobject: 'ip6gre1' (000000007e5cc555): kobject_uevent_env
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'ip6gre1' (000000007e5cc555): fill_kobj_path: path = '/devices/virtual/net/ip6gre1'
kobject: 'queues' (00000000675c5e4b): kobject_add_internal: parent: 'ip6gre1', set: '<NULL>'
kobject: 'queues' (00000000675c5e4b): kobject_uevent_env
kobject: 'queues' (00000000675c5e4b): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (000000005238a215): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (000000005238a215): kobject_uevent_env
kobject: 'rx-0' (000000005238a215): fill_kobj_path: path = '/devices/virtual/net/ip6gre1/queues/rx-0'
kobject: 'tx-0' (000000004e6bd126): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (000000004e6bd126): kobject_uevent_env
kobject: 'tx-0' (000000004e6bd126): fill_kobj_path: path = '/devices/virtual/net/ip6gre1/queues/tx-0'
kobject: 'slcan0' (0000000022145307): kobject_cleanup, parent (null)
kobject: 'slcan0' (0000000022145307): calling ktype release
kobject: 'slcan0': free name
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'ip6gre2' (00000000a01ed66a): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'loop3' (000000005fb93c9b): kobject_uevent_env
kobject: 'loop3' (000000005fb93c9b): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'ip6gre2' (00000000a01ed66a): kobject_uevent_env
kobject: 'ip6gre2' (00000000a01ed66a): fill_kobj_path: path = '/devices/virtual/net/ip6gre2'
kobject: 'queues' (000000000ae0978e): kobject_add_internal: parent: 'ip6gre2', set: '<NULL>'
kobject: 'queues' (000000000ae0978e): kobject_uevent_env
kobject: 'queues' (000000000ae0978e): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (00000000dc6bda75): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (00000000dc6bda75): kobject_uevent_env
kobject: 'rx-0' (00000000dc6bda75): fill_kobj_path: path = '/devices/virtual/net/ip6gre2/queues/rx-0'
kobject: 'tx-0' (00000000ae22ffd1): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (00000000ae22ffd1): kobject_uevent_env
kobject: 'tx-0' (00000000ae22ffd1): fill_kobj_path: path = '/devices/virtual/net/ip6gre2/queues/tx-0'
kobject: 'ip6gre1' (0000000066ff360c): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'ip6gre1' (0000000066ff360c): kobject_uevent_env
kobject: 'ip6gre1' (0000000066ff360c): fill_kobj_path: path = '/devices/virtual/net/ip6gre1'
kobject: 'queues' (0000000026cd10cd): kobject_add_internal: parent: 'ip6gre1', set: '<NULL>'
kobject: 'queues' (0000000026cd10cd): kobject_uevent_env
kobject: 'queues' (0000000026cd10cd): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (0000000092d5f18d): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (0000000092d5f18d): kobject_uevent_env
kobject: 'rx-0' (0000000092d5f18d): fill_kobj_path: path = '/devices/virtual/net/ip6gre1/queues/rx-0'
kobject: 'tx-0' (000000002ad2aee8): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (000000002ad2aee8): kobject_uevent_env
kobject: 'tx-0' (000000002ad2aee8): fill_kobj_path: path = '/devices/virtual/net/ip6gre1/queues/tx-0'
kobject: 'loop3' (000000005fb93c9b): kobject_uevent_env
kobject: 'loop3' (000000005fb93c9b): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'ip6gre2' (000000002b925ea6): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'ip6gre2' (000000002b925ea6): kobject_uevent_env
kobject: 'ip6gre2' (000000002b925ea6): fill_kobj_path: path = '/devices/virtual/net/ip6gre2'
kobject: 'queues' (000000006b42d431): kobject_add_internal: parent: 'ip6gre2', set: '<NULL>'
kobject: 'queues' (000000006b42d431): kobject_uevent_env
kobject: 'queues' (000000006b42d431): kobject_uevent_env: filter function caused the event to drop!
kobject: 'rx-0' (00000000fa515e1e): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'rx-0' (00000000fa515e1e): kobject_uevent_env
kobject: 'rx-0' (00000000fa515e1e): fill_kobj_path: path = '/devices/virtual/net/ip6gre2/queues/rx-0'
kobject: 'tx-0' (00000000865b3862): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'tx-0' (00000000865b3862): kobject_uevent_env
kobject: 'tx-0' (00000000865b3862): fill_kobj_path: path = '/devices/virtual/net/ip6gre2/queues/tx-0'
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (000000005fb93c9b): kobject_uevent_env
kobject: 'loop3' (000000005fb93c9b): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (000000008ce1f3f9): kobject_uevent_env
kobject: 'loop5' (000000008ce1f3f9): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (000000005fb93c9b): kobject_uevent_env
kobject: 'loop3' (000000005fb93c9b): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (0000000062b0cd0c): kobject_uevent_env
kobject: 'loop0' (0000000062b0cd0c): fill_kobj_path: path = '/devices/virtual/block/loop0'