======================================================
kobject: 'kvm' (000000002187c394): kobject_uevent_env
WARNING: possible circular locking dependency detected
4.19.84 #0 Not tainted
------------------------------------------------------
syz-executor.0/9130 is trying to acquire lock:
000000001406b488 (
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
&mm->mmap_sem){++++}, at: __might_fault+0xfb/0x1e0 mm/memory.c:4637

but task is already holding lock:
00000000bbdcfb90 (&rp->fetch_lock){+.+.}, at: mon_bin_get_event+0x3c/0x450 drivers/usb/mon/mon_bin.c:747

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: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

-> #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_get_event+0x117/0x450 drivers/usb/mon/mon_bin.c:756
       mon_bin_ioctl+0xacf/0xc80 drivers/usb/mon/mon_bin.c:1068
       vfs_ioctl fs/ioctl.c:46 [inline]
       file_ioctl fs/ioctl.c:501 [inline]
       do_vfs_ioctl+0xd5f/0x1380 fs/ioctl.c:688
       ksys_ioctl+0xab/0xd0 fs/ioctl.c:705
       __do_sys_ioctl fs/ioctl.c:712 [inline]
       __se_sys_ioctl fs/ioctl.c:710 [inline]
       __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:710
       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.0/9130:
 #0: 00000000bbdcfb90 (&rp->fetch_lock){+.+.}, at: mon_bin_get_event+0x3c/0x450 drivers/usb/mon/mon_bin.c:747

stack backtrace:
CPU: 0 PID: 9130 Comm: syz-executor.0 Not tainted 4.19.84 #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
 __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_get_event+0x117/0x450 drivers/usb/mon/mon_bin.c:756
 mon_bin_ioctl+0xacf/0xc80 drivers/usb/mon/mon_bin.c:1068
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0xd5f/0x1380 fs/ioctl.c:688
 ksys_ioctl+0xab/0xd0 fs/ioctl.c:705
 __do_sys_ioctl fs/ioctl.c:712 [inline]
 __se_sys_ioctl fs/ioctl.c:710 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:710
 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45a639
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:00007f553f8e7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a639
RDX: 0000000020000240 RSI: 000000004018920a RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f553f8e86d4
R13: 00000000004c41d6 R14: 00000000004d8580 R15: 00000000ffffffff
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: 'nr0
' (00000000e13b59cf): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'loop4' (00000000c453372e): kobject_uevent_env
kobject: 'nr0
' (00000000e13b59cf): kobject_uevent_env
kobject: 'loop4' (00000000c453372e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'nr0
' (00000000e13b59cf): fill_kobj_path: path = '/devices/virtual/net/nr0
'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'queues' (00000000ab4213d0): kobject_add_internal: parent: 'nr0
', set: '<NULL>'
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'queues' (00000000ab4213d0): kobject_uevent_env
IPv4: Oversized IP packet from 127.0.0.1
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'loop3' (00000000683735f0): kobject_uevent_env
kobject: 'queues' (00000000ab4213d0): kobject_uevent_env: filter function caused the event to drop!
kobject: 'loop3' (00000000683735f0): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop2' (0000000008636735): kobject_uevent_env
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'rx-0' (000000001f9a45e0): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop3' (00000000683735f0): kobject_uevent_env
kobject: 'rx-0' (000000001f9a45e0): kobject_uevent_env
kobject: 'loop3' (00000000683735f0): fill_kobj_path: path = '/devices/virtual/block/loop3'
protocol 88fb is buggy, dev hsr_slave_0
kobject: 'rx-0' (000000001f9a45e0): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/rx-0'
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'tx-0' (000000005dcc1bbf): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (00000000683735f0): kobject_uevent_env
kobject: 'tx-0' (000000005dcc1bbf): kobject_uevent_env
kobject: 'loop3' (00000000683735f0): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'tx-0' (000000005dcc1bbf): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/tx-0'
device nr0
 entered promiscuous mode
kobject: 'loop2' (0000000008636735): kobject_uevent_env
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (000000001f9a45e0): kobject_cleanup, parent 00000000ab4213d0
kobject: 'rx-0' (000000001f9a45e0): auto cleanup 'remove' event
kobject: 'rx-0' (000000001f9a45e0): kobject_uevent_env
kobject: 'rx-0' (000000001f9a45e0): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/rx-0'
kobject: 'rx-0' (000000001f9a45e0): auto cleanup kobject_del
kobject: 'rx-0' (000000001f9a45e0): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (000000005dcc1bbf): kobject_cleanup, parent 00000000ab4213d0
kobject: 'tx-0' (000000005dcc1bbf): auto cleanup 'remove' event
kobject: 'tx-0' (000000005dcc1bbf): kobject_uevent_env
kobject: 'tx-0' (000000005dcc1bbf): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/tx-0'
kobject: 'tx-0' (000000005dcc1bbf): auto cleanup kobject_del
kobject: 'tx-0' (000000005dcc1bbf): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000ab4213d0): kobject_cleanup, parent           (null)
kobject: 'queues' (00000000ab4213d0): calling ktype release
kobject: 'queues' (00000000ab4213d0): kset_release
kobject: 'queues': free name
kobject: 'nr0
' (00000000e13b59cf): kobject_uevent_env
kobject: 'nr0
' (00000000e13b59cf): fill_kobj_path: path = '/devices/virtual/net/nr0
'
kobject: 'nr0
' (00000000e13b59cf): kobject_cleanup, parent           (null)
kobject: 'nr0
' (00000000e13b59cf): calling ktype release
kobject: 'nr0
': free name
kobject: 'loop1' (00000000d8b7db1e): kobject_uevent_env
kobject: 'loop1' (00000000d8b7db1e): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'nr0
' (00000000d5fd2ed5): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'nr0
' (00000000d5fd2ed5): kobject_uevent_env
kobject: 'nr0
' (00000000d5fd2ed5): fill_kobj_path: path = '/devices/virtual/net/nr0
'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'queues' (00000000f9bb9d4d): kobject_add_internal: parent: 'nr0
', set: '<NULL>'
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'queues' (00000000f9bb9d4d): kobject_uevent_env
kobject: 'loop2' (0000000008636735): kobject_uevent_env
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'queues' (00000000f9bb9d4d): kobject_uevent_env: filter function caused the event to drop!
kobject: 'loop3' (00000000683735f0): kobject_uevent_env
kobject: 'loop3' (00000000683735f0): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (00000000c453372e): kobject_uevent_env
kobject: 'rx-0' (00000000a29c36c2): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop4' (00000000c453372e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'rx-0' (00000000a29c36c2): kobject_uevent_env
kobject: 'loop3' (00000000683735f0): kobject_uevent_env
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'rx-0' (00000000a29c36c2): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/rx-0'
kobject: 'loop3' (00000000683735f0): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'tx-0' (00000000e7fadb1c): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'tx-0' (00000000e7fadb1c): kobject_uevent_env
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'tx-0' (00000000e7fadb1c): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/tx-0'
kobject: 'loop2' (0000000008636735): kobject_uevent_env
device nr0
 entered promiscuous mode
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop4' (00000000c453372e): kobject_uevent_env
kobject: 'loop4' (00000000c453372e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'rx-0' (00000000a29c36c2): kobject_cleanup, parent 00000000f9bb9d4d
kobject: 'rx-0' (00000000a29c36c2): auto cleanup 'remove' event
kobject: 'rx-0' (00000000a29c36c2): kobject_uevent_env
kobject: 'rx-0' (00000000a29c36c2): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/rx-0'
kobject: 'rx-0' (00000000a29c36c2): auto cleanup kobject_del
kobject: 'rx-0' (00000000a29c36c2): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000e7fadb1c): kobject_cleanup, parent 00000000f9bb9d4d
kobject: 'tx-0' (00000000e7fadb1c): auto cleanup 'remove' event
kobject: 'tx-0' (00000000e7fadb1c): kobject_uevent_env
kobject: 'tx-0' (00000000e7fadb1c): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/tx-0'
kobject: 'tx-0' (00000000e7fadb1c): auto cleanup kobject_del
kobject: 'tx-0' (00000000e7fadb1c): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (00000000f9bb9d4d): kobject_cleanup, parent           (null)
kobject: 'queues' (00000000f9bb9d4d): calling ktype release
kobject: 'queues' (00000000f9bb9d4d): kset_release
kobject: 'queues': free name
kobject: 'nr0
' (00000000d5fd2ed5): kobject_uevent_env
kobject: 'nr0
' (00000000d5fd2ed5): fill_kobj_path: path = '/devices/virtual/net/nr0
'
kobject: 'nr0
' (00000000d5fd2ed5): kobject_cleanup, parent           (null)
kobject: 'nr0
' (00000000d5fd2ed5): calling ktype release
kobject: 'nr0
': free name
kobject: 'loop1' (00000000d8b7db1e): kobject_uevent_env
kobject: 'loop1' (00000000d8b7db1e): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'nr0
' (0000000029a89bff): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'nr0
' (0000000029a89bff): kobject_uevent_env
kobject: 'nr0
' (0000000029a89bff): fill_kobj_path: path = '/devices/virtual/net/nr0
'
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'queues' (000000004e6af29b): kobject_add_internal: parent: 'nr0
', set: '<NULL>'
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'queues' (000000004e6af29b): kobject_uevent_env
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop3' (00000000683735f0): kobject_uevent_env
kobject: 'loop3' (00000000683735f0): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (0000000008636735): kobject_uevent_env
kobject: 'queues' (000000004e6af29b): kobject_uevent_env: filter function caused the event to drop!
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (000000007188a138): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop2' (0000000008636735): kobject_uevent_env
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (000000007188a138): kobject_uevent_env
kobject: 'loop3' (00000000683735f0): kobject_uevent_env
kobject: 'rx-0' (000000007188a138): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/rx-0'
gfs2: invalid mount option: fowner>00000000000000000000
kobject: 'loop3' (00000000683735f0): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'tx-0' (00000000da075297): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'loop2' (0000000008636735): kobject_uevent_env
gfs2: can't parse mount arguments
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'tx-0' (00000000da075297): kobject_uevent_env
kobject: 'tx-0' (00000000da075297): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/tx-0'
device nr0
 entered promiscuous mode
kobject: 'loop4' (00000000c453372e): kobject_uevent_env
kobject: 'loop4' (00000000c453372e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (0000000008636735): kobject_uevent_env
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (0000000008636735): kobject_uevent_env
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'rx-0' (000000007188a138): kobject_cleanup, parent 000000004e6af29b
kobject: 'rx-0' (000000007188a138): auto cleanup 'remove' event
kobject: 'rx-0' (000000007188a138): kobject_uevent_env
kobject: 'rx-0' (000000007188a138): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/rx-0'
kobject: 'loop2' (0000000008636735): kobject_uevent_env
kobject: 'rx-0' (000000007188a138): auto cleanup kobject_del
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'rx-0' (000000007188a138): calling ktype release
kobject: 'rx-0': free name
kobject: 'tx-0' (00000000da075297): kobject_cleanup, parent 000000004e6af29b
kobject: 'tx-0' (00000000da075297): auto cleanup 'remove' event
kobject: 'tx-0' (00000000da075297): kobject_uevent_env
kobject: 'tx-0' (00000000da075297): fill_kobj_path: path = '/devices/virtual/net/nr0
/queues/tx-0'
kobject: 'tx-0' (00000000da075297): auto cleanup kobject_del
kobject: 'tx-0' (00000000da075297): calling ktype release
kobject: 'tx-0': free name
kobject: 'queues' (000000004e6af29b): kobject_cleanup, parent           (null)
kobject: 'queues' (000000004e6af29b): calling ktype release
kobject: 'queues' (000000004e6af29b): kset_release
kobject: 'queues': free name
kobject: 'nr0
' (0000000029a89bff): kobject_uevent_env
kobject: 'nr0
' (0000000029a89bff): fill_kobj_path: path = '/devices/virtual/net/nr0
'
kobject: 'nr0
' (0000000029a89bff): kobject_cleanup, parent           (null)
kobject: 'nr0
' (0000000029a89bff): calling ktype release
kobject: 'nr0
': free name
kobject: 'loop1' (00000000d8b7db1e): kobject_uevent_env
kobject: 'loop1' (00000000d8b7db1e): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop2' (0000000008636735): kobject_uevent_env
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop4' (00000000c453372e): kobject_uevent_env
kobject: 'loop4' (00000000c453372e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000683735f0): kobject_uevent_env
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000683735f0): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop1' (00000000d8b7db1e): kobject_uevent_env
kobject: 'loop1' (00000000d8b7db1e): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (00000000c453372e): kobject_uevent_env
kobject: 'loop4' (00000000c453372e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000683735f0): kobject_uevent_env
kobject: 'loop3' (00000000683735f0): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop3' (00000000683735f0): kobject_uevent_env
kobject: 'loop3' (00000000683735f0): fill_kobj_path: path = '/devices/virtual/block/loop3'
net_ratelimit: 21 callbacks suppressed
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
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: 'loop1' (00000000d8b7db1e): kobject_uevent_env
kobject: 'loop1' (00000000d8b7db1e): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
audit: type=1400 audit(1574162701.784:72): avc:  denied  { create } for  pid=9373 comm="syz-executor.2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1
ptrace attach of ""[9370] was attempted by "/root/syz-executor.1"[9371]
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (00000000d8b7db1e): kobject_uevent_env
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop1' (00000000d8b7db1e): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop4' (00000000c453372e): kobject_uevent_env
kobject: 'loop4' (00000000c453372e): fill_kobj_path: path = '/devices/virtual/block/loop4'
ptrace attach of ""[9402] was attempted by "/root/syz-executor.0"[9403]
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop2' (0000000008636735): kobject_uevent_env
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000683735f0): kobject_uevent_env
kobject: 'loop3' (00000000683735f0): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'loop4' (00000000c453372e): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop4' (00000000c453372e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
ptrace attach of ""[9417] was attempted by "/root/syz-executor.0"[9418]
kobject: 'loop2' (0000000008636735): kobject_uevent_env
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop3' (00000000683735f0): kobject_uevent_env
kobject: 'loop3' (00000000683735f0): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop4' (00000000c453372e): kobject_uevent_env
kobject: 'loop4' (00000000c453372e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop4' (00000000c453372e): kobject_uevent_env
kobject: 'loop4' (00000000c453372e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (0000000008636735): kobject_uevent_env
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'loop1' (00000000d8b7db1e): kobject_uevent_env
kobject: 'loop1' (00000000d8b7db1e): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop5' (00000000bb87af2f): kobject_uevent_env
kobject: 'loop5' (00000000bb87af2f): fill_kobj_path: path = '/devices/virtual/block/loop5'
ptrace attach of ""[9454] was attempted by "/root/syz-executor.0"[9463]
kobject: 'loop4' (00000000c453372e): kobject_uevent_env
kobject: 'loop4' (00000000c453372e): fill_kobj_path: path = '/devices/virtual/block/loop4'
kobject: 'loop2' (0000000008636735): kobject_uevent_env
kobject: 'loop2' (0000000008636735): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop3' (00000000683735f0): kobject_uevent_env
net_ratelimit: 25 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
kobject: 'loop3' (00000000683735f0): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop0' (000000008442f6e6): kobject_uevent_env
kobject: 'kvm' (000000002187c394): kobject_uevent_env
kobject: 'kvm' (000000002187c394): fill_kobj_path: path = '/devices/virtual/misc/kvm'
kobject: 'loop0' (000000008442f6e6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'kvm' (000000002187c394): kobject_uevent_env