audit: type=1400 audit(1575887568.942:368): avc: denied { map } for pid=4360 comm="syz-executor.0" path="/dev/usbmon0" dev="devtmpfs" ino=18521 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 4.19.88-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.0/4361 is trying to acquire lock: 00000000a8b8ed52 (&rp->fetch_lock){+.+.}, at: mon_bin_vma_fault+0x73/0x2d0 drivers/usb/mon/mon_bin.c:1237 but task is already holding lock: 00000000843524aa (&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_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 -> #0 (&rp->fetch_lock){+.+.}: 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 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.0/4361: #0: 00000000843524aa (&mm->mmap_sem){++++}, at: __mm_populate+0x270/0x380 mm/gup.c:1262 stack backtrace: CPU: 1 PID: 4361 Comm: syz-executor.0 Not tainted 4.19.88-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: 0033:0x45a6f9 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:00007fcbaa649c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a6f9 RDX: 0000000001000002 RSI: 0000000000400300 RDI: 0000000020a05000 RBP: 000000000075bf20 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000008012 R11: 0000000000000246 R12: 00007fcbaa64a6d4 R13: 00000000004c7982 R14: 00000000004de760 R15: 00000000ffffffff overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (0000000078195af9): kobject_uevent_env kobject: 'kvm' (0000000078195af9): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' overlayfs: conflicting lowerdir path kobject: 'kvm' (0000000078195af9): kobject_uevent_env kobject: 'kvm' (0000000078195af9): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'kvm' (0000000078195af9): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000078195af9): fill_kobj_path: path = '/devices/virtual/misc/kvm' overlayfs: unrecognized mount option "subj_user=nfs" or missing value overlayfs: missing 'lowerdir' kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'rx-0' (000000002f2b0d1b): kobject_cleanup, parent 00000000d4b6385f kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (000000002f2b0d1b): auto cleanup 'remove' event audit: type=1800 audit(1575887570.342:369): pid=4585 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op=collect_data cause=failed comm="syz-executor.0" name="bus" dev="sda1" ino=16522 res=0 kobject: 'rx-0' (000000002f2b0d1b): kobject_uevent_env kobject: 'kvm' (0000000078195af9): kobject_uevent_env kobject: 'rx-0' (000000002f2b0d1b): kobject_uevent_env: uevent_suppress caused the event to drop! overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'kvm' (0000000078195af9): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'rx-0' (000000002f2b0d1b): auto cleanup kobject_del kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (000000002f2b0d1b): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000c67e42bd): kobject_cleanup, parent 00000000d4b6385f kobject: 'tx-0' (00000000c67e42bd): auto cleanup 'remove' event kobject: 'tx-0' (00000000c67e42bd): kobject_uevent_env kobject: 'tx-0' (00000000c67e42bd): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000c67e42bd): auto cleanup kobject_del kobject: 'tx-0' (00000000c67e42bd): calling ktype release kobject: 'tx-0': free name kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'queues' (00000000d4b6385f): kobject_cleanup, parent (null) kobject: 'queues' (00000000d4b6385f): calling ktype release kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (00000000d4b6385f): kset_release kobject: 'kvm' (0000000078195af9): kobject_uevent_env kobject: 'queues': free name kobject: 'ip6gre0' (00000000236db910): kobject_uevent_env kobject: 'ip6gre0' (00000000236db910): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'kvm' (0000000078195af9): fill_kobj_path: path = '/devices/virtual/misc/kvm' overlayfs: filesystem on './bus' not supported as upperdir overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'ip6gre0' (00000000236db910): kobject_cleanup, parent (null) kobject: 'ip6gre0' (00000000236db910): calling ktype release kobject: 'ip6gre0': free name kobject: 'rx-0' (00000000aed2f1b6): kobject_cleanup, parent 00000000138cc5ca kobject: 'rx-0' (00000000aed2f1b6): auto cleanup 'remove' event kobject: 'rx-0' (00000000aed2f1b6): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'rx-0' (00000000aed2f1b6): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000078195af9): kobject_uevent_env kobject: 'kvm' (0000000078195af9): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'rx-0' (00000000aed2f1b6): auto cleanup kobject_del overlayfs: missing 'lowerdir' kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'rx-0' (00000000aed2f1b6): calling ktype release kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0': free name kobject: 'tx-0' (000000008c95ef39): kobject_cleanup, parent 00000000138cc5ca kobject: 'kvm' (0000000078195af9): kobject_uevent_env kobject: 'tx-0' (000000008c95ef39): auto cleanup 'remove' event kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'kvm' (0000000078195af9): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'tx-0' (000000008c95ef39): kobject_uevent_env kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (000000008c95ef39): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (000000008c95ef39): auto cleanup kobject_del kobject: 'tx-0' (000000008c95ef39): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000138cc5ca): kobject_cleanup, parent (null) kobject: 'kvm' (0000000078195af9): kobject_uevent_env kobject: 'queues' (00000000138cc5ca): calling ktype release kobject: 'kvm' (0000000078195af9): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'queues' (00000000138cc5ca): kset_release kobject: 'queues': free name kobject: 'ip6tnl0' (00000000eeb033c9): kobject_uevent_env kobject: 'ip6tnl0' (00000000eeb033c9): kobject_uevent_env: uevent_suppress caused the event to drop! overlayfs: missing 'lowerdir' kobject: 'ip6tnl0' (00000000eeb033c9): kobject_cleanup, parent (null) kobject: 'ip6tnl0' (00000000eeb033c9): calling ktype release kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'ip6tnl0': free name kobject: 'rx-0' (000000008a6c1dd9): kobject_cleanup, parent 000000005aa509ea kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'kvm' (0000000078195af9): kobject_uevent_env kobject: 'rx-0' (000000008a6c1dd9): auto cleanup 'remove' event kobject: 'rx-0' (000000008a6c1dd9): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (0000000078195af9): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'rx-0' (000000008a6c1dd9): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (000000008a6c1dd9): auto cleanup kobject_del kobject: 'rx-0' (000000008a6c1dd9): calling ktype release kobject: 'rx-0': free name overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'tx-0' (00000000e5cdf9ba): kobject_cleanup, parent 000000005aa509ea kobject: 'tx-0' (00000000e5cdf9ba): auto cleanup 'remove' event kobject: 'kvm' (0000000078195af9): kobject_uevent_env kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'tx-0' (00000000e5cdf9ba): kobject_uevent_env kobject: 'kvm' (0000000078195af9): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'tx-0' (00000000e5cdf9ba): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (00000000e5cdf9ba): auto cleanup kobject_del kobject: 'tx-0' (00000000e5cdf9ba): calling ktype release kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'tx-0': free name kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (000000005aa509ea): kobject_cleanup, parent (null) kobject: 'queues' (000000005aa509ea): calling ktype release kobject: 'queues' (000000005aa509ea): kset_release kobject: 'queues': free name kobject: 'sit0' (00000000607ebeca): kobject_uevent_env overlayfs: missing 'lowerdir' kobject: 'sit0' (00000000607ebeca): kobject_uevent_env: uevent_suppress caused the event to drop! overlayfs: filesystem on './bus' not supported as upperdir overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'sit0' (00000000607ebeca): kobject_cleanup, parent (null) kobject: 'sit0' (00000000607ebeca): calling ktype release kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'sit0': free name kobject: 'rx-0' (00000000320acfe5): kobject_cleanup, parent 00000000ec8c6d72 kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'rx-0' (00000000320acfe5): auto cleanup 'remove' event kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' overlayfs: missing 'lowerdir' kobject: 'rx-0' (00000000320acfe5): kobject_uevent_env kobject: 'rx-0' (00000000320acfe5): kobject_uevent_env: uevent_suppress caused the event to drop! overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'rx-0' (00000000320acfe5): auto cleanup kobject_del kobject: 'rx-0' (00000000320acfe5): calling ktype release kobject: 'rx-0': free name kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'tx-0' (00000000b8601645): kobject_cleanup, parent 00000000ec8c6d72 kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (00000000b8601645): auto cleanup 'remove' event kobject: 'tx-0' (00000000b8601645): kobject_uevent_env kobject: 'tx-0' (00000000b8601645): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000b8601645): auto cleanup kobject_del kobject: 'tx-0' (00000000b8601645): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000ec8c6d72): kobject_cleanup, parent (null) kobject: 'queues' (00000000ec8c6d72): calling ktype release kobject: 'queues' (00000000ec8c6d72): kset_release kobject: 'queues': free name kobject: 'ip6_vti0' (00000000f3116b53): kobject_uevent_env kobject: 'ip6_vti0' (00000000f3116b53): kobject_uevent_env: uevent_suppress caused the event to drop! overlayfs: filesystem on './bus' not supported as upperdir overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'ip6_vti0' (00000000f3116b53): kobject_cleanup, parent (null) kobject: 'ip6_vti0' (00000000f3116b53): calling ktype release kobject: 'ip6_vti0': free name kobject: 'rx-0' (000000005b1e41af): kobject_cleanup, parent 00000000a7c1cb53 kobject: 'rx-0' (000000005b1e41af): auto cleanup 'remove' event kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'rx-0' (000000005b1e41af): kobject_uevent_env kobject: 'rx-0' (000000005b1e41af): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (000000005b1e41af): auto cleanup kobject_del kobject: 'rx-0' (000000005b1e41af): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (00000000421e43a8): kobject_cleanup, parent 00000000a7c1cb53 kobject: 'tx-0' (00000000421e43a8): auto cleanup 'remove' event kobject: 'tx-0' (00000000421e43a8): kobject_uevent_env kobject: 'tx-0' (00000000421e43a8): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'tx-0' (00000000421e43a8): auto cleanup kobject_del kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'tx-0' (00000000421e43a8): calling ktype release kobject: 'tx-0': free name kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'queues' (00000000a7c1cb53): kobject_cleanup, parent (null) kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (00000000a7c1cb53): calling ktype release kobject: 'queues' (00000000a7c1cb53): kset_release overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'queues': free name kobject: 'ip_vti0' (00000000a200e658): kobject_uevent_env kobject: 'ip_vti0' (00000000a200e658): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (000000000615982f): kobject_uevent_env overlayfs: filesystem on './bus' not supported as upperdir kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'ip_vti0' (00000000a200e658): kobject_cleanup, parent (null) kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'ip_vti0' (00000000a200e658): calling ktype release kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'ip_vti0': free name kobject: 'batman_adv' (0000000069c1e901): kobject_uevent_env kobject: 'batman_adv' (0000000069c1e901): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (0000000069c1e901): kobject_cleanup, parent (null) kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'batman_adv' (0000000069c1e901): calling ktype release kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: (0000000069c1e901): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (00000000df0597d9): kobject_cleanup, parent 000000004a9acd65 kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'rx-0' (00000000df0597d9): auto cleanup 'remove' event kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (00000000df0597d9): kobject_uevent_env kobject: 'rx-0' (00000000df0597d9): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (00000000df0597d9): auto cleanup kobject_del kobject: 'rx-0' (00000000df0597d9): calling ktype release kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'rx-0': free name kobject: 'tx-0' (0000000073fd11f6): kobject_cleanup, parent 000000004a9acd65 kobject: 'tx-0' (0000000073fd11f6): auto cleanup 'remove' event kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (0000000073fd11f6): kobject_uevent_env kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (0000000073fd11f6): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000073fd11f6): auto cleanup kobject_del kobject: 'tx-0' (0000000073fd11f6): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (000000004a9acd65): kobject_cleanup, parent (null) kobject: 'queues' (000000004a9acd65): calling ktype release kobject: 'queues' (000000004a9acd65): kset_release kobject: 'queues': free name kobject: 'erspan0' (000000002fd2a52d): kobject_uevent_env kobject: 'erspan0' (000000002fd2a52d): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'erspan0' (000000002fd2a52d): kobject_cleanup, parent (null) kobject: 'erspan0' (000000002fd2a52d): calling ktype release kobject: 'erspan0': free name kobject: 'batman_adv' (00000000c5d7837d): kobject_uevent_env kobject: 'batman_adv' (00000000c5d7837d): kobject_uevent_env: filter function caused the event to drop! overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'batman_adv' (00000000c5d7837d): kobject_cleanup, parent (null) kobject: 'batman_adv' (00000000c5d7837d): calling ktype release kobject: (00000000c5d7837d): dynamic_kobj_release kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'batman_adv': free name kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (000000009067d204): kobject_cleanup, parent 000000001e9db74b kobject: 'rx-0' (000000009067d204): auto cleanup 'remove' event kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (000000009067d204): kobject_uevent_env kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'rx-0' (000000009067d204): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' overlayfs: unrecognized mount option "^orkdir=./file1" or missing value kobject: 'rx-0' (000000009067d204): auto cleanup kobject_del kobject: 'rx-0' (000000009067d204): calling ktype release kobject: 'rx-0': free name overlayfs: conflicting lowerdir path kobject: 'tx-0' (00000000455c54cb): kobject_cleanup, parent 000000001e9db74b kobject: 'tx-0' (00000000455c54cb): auto cleanup 'remove' event kobject: 'tx-0' (00000000455c54cb): kobject_uevent_env kobject: 'tx-0' (00000000455c54cb): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (00000000455c54cb): auto cleanup kobject_del kobject: 'tx-0' (00000000455c54cb): calling ktype release kobject: 'tx-0': free name kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'queues' (000000001e9db74b): kobject_cleanup, parent (null) kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (000000001e9db74b): calling ktype release kobject: 'queues' (000000001e9db74b): kset_release kobject: 'queues': free name kobject: 'gretap0' (0000000024e01bd3): kobject_uevent_env kobject: 'gretap0' (0000000024e01bd3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env overlayfs: unrecognized mount option "^orkdir=./file1" or missing value kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' overlayfs: conflicting lowerdir path kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'gretap0' (0000000024e01bd3): kobject_cleanup, parent (null) kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'gretap0' (0000000024e01bd3): calling ktype release kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'gretap0': free name kobject: 'rx-0' (0000000091b04ba3): kobject_cleanup, parent 00000000e6e8777b overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'rx-0' (0000000091b04ba3): auto cleanup 'remove' event kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (0000000091b04ba3): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (0000000091b04ba3): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000091b04ba3): auto cleanup kobject_del overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'rx-0' (0000000091b04ba3): calling ktype release kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'rx-0': free name kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (0000000004a04665): kobject_cleanup, parent 00000000e6e8777b kobject: 'tx-0' (0000000004a04665): auto cleanup 'remove' event kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'tx-0' (0000000004a04665): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (0000000004a04665): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'tx-0' (0000000004a04665): auto cleanup kobject_del kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (0000000004a04665): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (00000000e6e8777b): kobject_cleanup, parent (null) kobject: 'queues' (00000000e6e8777b): calling ktype release kobject: 'queues' (00000000e6e8777b): kset_release kobject: 'queues': free name kobject: 'gre0' (00000000b0504b77): kobject_uevent_env kobject: 'gre0' (00000000b0504b77): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'gre0' (00000000b0504b77): kobject_cleanup, parent (null) kobject: 'gre0' (00000000b0504b77): calling ktype release kobject: 'gre0': free name kobject: 'rx-0' (000000002a69e950): kobject_cleanup, parent 000000008b4da0fb kobject: 'rx-0' (000000002a69e950): auto cleanup 'remove' event kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'rx-0' (000000002a69e950): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (000000002a69e950): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'rx-0' (000000002a69e950): auto cleanup kobject_del kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (000000002a69e950): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (000000004ed4e9d0): kobject_cleanup, parent 000000008b4da0fb overlayfs: unrecognized mount option "upperdirkQ®v\ć‚" or missing value kobject: 'tx-0' (000000004ed4e9d0): auto cleanup 'remove' event kobject: 'tx-0' (000000004ed4e9d0): kobject_uevent_env kobject: 'tx-0' (000000004ed4e9d0): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'tx-0' (000000004ed4e9d0): auto cleanup kobject_del kobject: 'tx-0' (000000004ed4e9d0): calling ktype release kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0': free name kobject: 'queues' (000000008b4da0fb): kobject_cleanup, parent (null) kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues' (000000008b4da0fb): calling ktype release kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (000000008b4da0fb): kset_release kobject: 'queues': free name kobject: 'tunl0' (00000000ebf0c4b3): kobject_uevent_env kobject: 'tunl0' (00000000ebf0c4b3): kobject_uevent_env: uevent_suppress caused the event to drop! overlayfs: unrecognized mount option "upperdirkQ®v\ć‚" or missing value kobject: 'tunl0' (00000000ebf0c4b3): kobject_cleanup, parent (null) kobject: 'tunl0' (00000000ebf0c4b3): calling ktype release kobject: 'tunl0': free name kobject: 'rx-0' (0000000048fc4c57): kobject_cleanup, parent 0000000001fc16b3 kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'rx-0' (0000000048fc4c57): auto cleanup 'remove' event kobject: 'rx-0' (0000000048fc4c57): kobject_uevent_env kobject: 'rx-0' (0000000048fc4c57): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'rx-0' (0000000048fc4c57): auto cleanup kobject_del kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (0000000048fc4c57): calling ktype release kobject: 'rx-0': free name kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'tx-0' (0000000079757ef5): kobject_cleanup, parent 0000000001fc16b3 kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (0000000079757ef5): auto cleanup 'remove' event kobject: 'tx-0' (0000000079757ef5): kobject_uevent_env kobject: 'tx-0' (0000000079757ef5): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (0000000079757ef5): auto cleanup kobject_del kobject: 'tx-0' (0000000079757ef5): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (0000000001fc16b3): kobject_cleanup, parent (null) kobject: 'queues' (0000000001fc16b3): calling ktype release kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'queues' (0000000001fc16b3): kset_release kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'queues': free name kobject: 'lo' (00000000f06f3675): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'lo' (00000000f06f3675): kobject_uevent_env: uevent_suppress caused the event to drop! kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'lo' (00000000f06f3675): kobject_cleanup, parent (null) kobject: 'lo' (00000000f06f3675): calling ktype release kobject: 'lo': free name overlayfs: unrecognized mount option "upfile0" or missing value kobject: 'loop2' (000000006b1fad17): kobject_uevent_env overlayfs: filesystem on './bus' not supported as upperdir kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: unrecognized mount option "upfile0" or missing value kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000006b1fad17): kobject_uevent_env overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' overlayfs: filesystem on './bus' not supported as upperdir overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: filesystem on './bus' not supported as upperdir kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: workdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' overlayfs: unrecognized mount option "upper$ir=./file0˙˙˙˙drde0" or missing value kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' overlayfs: filesystem on './bus' not supported as upperdir kobject: 'loop2' (000000006b1fad17): kobject_uevent_env overlayfs: unrecognized mount option "upper$ir=./file0˙˙˙˙drde0" or missing value kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000006b1fad17): kobject_uevent_env overlayfs: conflicting lowerdir path kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: conflicting lowerdir path kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' overlayfs: unrecognized mount option "upperdi2=./bus" or missing value kobject: 'loop2' (000000006b1fad17): kobject_uevent_env overlayfs: failed to resolve '/file1': -2 kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: unrecognized mount option "upperdi2=./bus" or missing value kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' overlayfs: unrecognized mount option "default_permissions\" or missing value kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (000000006b1fad17): kobject_uevent_env overlayfs: unrecognized mount option "lowerd»r=./file0" or missing value kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: unrecognized mount option "default_permissions\" or missing value kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: unrecognized mount option "lowerd»r=./file0" or missing value kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' overlayfs: unrecognized mount option "upperdĹr=./bus–torkdir=./file1" or missing value kobject: 'loop2' (000000006b1fad17): kobject_uevent_env overlayfs: conflicting lowerdir path kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: unrecognized mount option "upperdĹr=./bus–torkdir=./file1" or missing value overlayfs: conflicting lowerdir path kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop5' (000000000615982f): kobject_uevent_env kobject: 'loop5' (000000000615982f): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (000000003fd2ef94): kobject_uevent_env kobject: 'loop3' (000000003fd2ef94): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop2' (000000006b1fad17): kobject_uevent_env kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2' overlayfs: missing 'lowerdir' kobject: 'loop2' (000000006b1fad17): kobject_uevent_env overlayfs: filesystem on './bus' not supported as upperdir kobject: 'loop2' (000000006b1fad17): fill_kobj_path: path = '/devices/virtual/block/loop2'