====================================================== WARNING: possible circular locking dependency detected 4.14.154 #0 Not tainted ------------------------------------------------------ syz-executor.2/23937 is trying to acquire lock: (&mm->mmap_sem){++++}, at: [] __might_fault+0xe0/0x1d0 mm/memory.c:4583 but task is already holding lock: (&rp->fetch_lock){+.+.}, at: [] mon_bin_get_event+0x3c/0x430 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){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 mon_bin_vma_fault+0x6f/0x280 drivers/usb/mon/mon_bin.c:1236 __do_fault+0x104/0x390 mm/memory.c:3223 do_cow_fault mm/memory.c:3662 [inline] do_fault mm/memory.c:3761 [inline] handle_pte_fault mm/memory.c:3989 [inline] __handle_mm_fault+0xde1/0x3470 mm/memory.c:4113 handle_mm_fault+0x293/0x7c0 mm/memory.c:4150 faultin_page mm/gup.c:514 [inline] __get_user_pages+0x465/0x1220 mm/gup.c:714 populate_vma_page_range+0x18e/0x230 mm/gup.c:1231 __mm_populate+0x198/0x2c0 mm/gup.c:1279 mm_populate include/linux/mm.h:2182 [inline] vm_mmap_pgoff+0x1be/0x1d0 mm/util.c:338 SYSC_mmap_pgoff mm/mmap.c:1551 [inline] SyS_mmap_pgoff+0x3ca/0x520 mm/mmap.c:1509 SYSC_mmap arch/x86/kernel/sys_x86_64.c:100 [inline] SyS_mmap+0x16/0x20 arch/x86/kernel/sys_x86_64.c:91 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #0 (&mm->mmap_sem){++++}: check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __might_fault mm/memory.c:4584 [inline] __might_fault+0x143/0x1d0 mm/memory.c:4569 _copy_to_user+0x2c/0xd0 lib/usercopy.c:25 copy_to_user include/linux/uaccess.h:155 [inline] mon_bin_get_event+0x10a/0x430 drivers/usb/mon/mon_bin.c:756 mon_bin_ioctl+0x9b4/0xb50 drivers/usb/mon/mon_bin.c:1067 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 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.2/23937: #0: (&rp->fetch_lock){+.+.}, at: [] mon_bin_get_event+0x3c/0x430 drivers/usb/mon/mon_bin.c:747 stack backtrace: CPU: 1 PID: 23937 Comm: syz-executor.2 Not tainted 4.14.154 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1901 [inline] check_prevs_add kernel/locking/lockdep.c:2018 [inline] validate_chain kernel/locking/lockdep.c:2460 [inline] __lock_acquire+0x2cb3/0x4620 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 __might_fault mm/memory.c:4584 [inline] __might_fault+0x143/0x1d0 mm/memory.c:4569 _copy_to_user+0x2c/0xd0 lib/usercopy.c:25 copy_to_user include/linux/uaccess.h:155 [inline] mon_bin_get_event+0x10a/0x430 drivers/usb/mon/mon_bin.c:756 mon_bin_ioctl+0x9b4/0xb50 drivers/usb/mon/mon_bin.c:1067 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a639 RSP: 002b:00007f73afb95c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a639 RDX: 00000000200000c0 RSI: 0000000040189206 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f73afb966d4 R13: 00000000004c41c3 R14: 00000000004d8568 R15: 00000000ffffffff kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=23996 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=23996 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=23996 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=23996 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=23996 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=23996 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=23996 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=23996 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=23996 comm=syz-executor.4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=23996 comm=syz-executor.4 kobject: 'batman_adv' (ffff88806065d580): kobject_uevent_env kobject: 'batman_adv' (ffff88806065d580): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (ffff88806065d580): kobject_cleanup, parent (null) kobject: 'batman_adv' (ffff88806065d580): calling ktype release kobject: (ffff88806065d580): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (ffff88809936a3d0): kobject_cleanup, parent ffff8880733a9e48 kobject: 'rx-0' (ffff88809936a3d0): auto cleanup 'remove' event kobject: 'rx-0' (ffff88809936a3d0): kobject_uevent_env kobject: 'rx-0' (ffff88809936a3d0): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/rx-0' kobject: 'rx-0' (ffff88809936a3d0): auto cleanup kobject_del kobject: 'rx-0' (ffff88809936a3d0): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff88808b304318): kobject_cleanup, parent ffff8880733a9e48 kobject: 'tx-0' (ffff88808b304318): auto cleanup 'remove' event kobject: 'tx-0' (ffff88808b304318): kobject_uevent_env kobject: 'tx-0' (ffff88808b304318): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/tx-0' kobject: 'tx-0' (ffff88808b304318): auto cleanup kobject_del kobject: 'tx-0' (ffff88808b304318): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880733a9e48): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880733a9e48): calling ktype release kobject: 'queues' (ffff8880733a9e48): kset_release kobject: 'queues': free name kobject: 'syz_tun' (ffff888030782630): kobject_uevent_env kobject: 'syz_tun' (ffff888030782630): fill_kobj_path: path = '/devices/virtual/net/syz_tun' kobject: 'syz_tun' (ffff888030782630): kobject_cleanup, parent (null) kobject: 'syz_tun' (ffff888030782630): calling ktype release kobject: 'syz_tun': free name kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'batman_adv' (ffff888061f12f80): kobject_uevent_env kobject: 'batman_adv' (ffff888061f12f80): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (ffff888061f12f80): kobject_cleanup, parent (null) kobject: 'batman_adv' (ffff888061f12f80): calling ktype release kobject: (ffff888061f12f80): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (ffff8880829dcd90): kobject_cleanup, parent ffff888086d80748 kobject: 'rx-0' (ffff8880829dcd90): auto cleanup 'remove' event kobject: 'rx-0' (ffff8880829dcd90): kobject_uevent_env kobject: 'rx-0' (ffff8880829dcd90): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/rx-0' kobject: 'rx-0' (ffff8880829dcd90): auto cleanup kobject_del kobject: 'rx-0' (ffff8880829dcd90): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff888090ba4cd8): kobject_cleanup, parent ffff888086d80748 kobject: 'tx-0' (ffff888090ba4cd8): auto cleanup 'remove' event kobject: 'tx-0' (ffff888090ba4cd8): kobject_uevent_env kobject: 'tx-0' (ffff888090ba4cd8): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/tx-0' kobject: 'tx-0' (ffff888090ba4cd8): auto cleanup kobject_del kobject: 'tx-0' (ffff888090ba4cd8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff888086d80748): kobject_cleanup, parent (null) kobject: 'queues' (ffff888086d80748): calling ktype release kobject: 'queues' (ffff888086d80748): kset_release kobject: 'queues': free name kobject: 'syz_tun' (ffff888095c730f0): kobject_uevent_env kobject: 'syz_tun' (ffff888095c730f0): fill_kobj_path: path = '/devices/virtual/net/syz_tun' kobject: 'batman_adv' (ffff88809ee61c80): kobject_uevent_env kobject: 'batman_adv' (ffff88809ee61c80): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (ffff88809ee61c80): kobject_cleanup, parent (null) kobject: 'batman_adv' (ffff88809ee61c80): calling ktype release kobject: (ffff88809ee61c80): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (ffff8880a0d04190): kobject_cleanup, parent ffff88808e736b48 kobject: 'rx-0' (ffff8880a0d04190): auto cleanup 'remove' event kobject: 'rx-0' (ffff8880a0d04190): kobject_uevent_env kobject: 'rx-0' (ffff8880a0d04190): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/rx-0' kobject: 'rx-0' (ffff8880a0d04190): auto cleanup kobject_del kobject: 'rx-0' (ffff8880a0d04190): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880a7271818): kobject_cleanup, parent ffff88808e736b48 kobject: 'tx-0' (ffff8880a7271818): auto cleanup 'remove' event kobject: 'tx-0' (ffff8880a7271818): kobject_uevent_env kobject: 'tx-0' (ffff8880a7271818): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/tx-0' kobject: 'tx-0' (ffff8880a7271818): auto cleanup kobject_del kobject: 'tx-0' (ffff8880a7271818): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88808e736b48): kobject_cleanup, parent (null) kobject: 'queues' (ffff88808e736b48): calling ktype release kobject: 'queues' (ffff88808e736b48): kset_release kobject: 'queues': free name kobject: 'syz_tun' (ffff88808f43a7f0): kobject_uevent_env kobject: 'syz_tun' (ffff88808f43a7f0): fill_kobj_path: path = '/devices/virtual/net/syz_tun' kobject: 'syz_tun' (ffff88808f43a7f0): kobject_cleanup, parent (null) kobject: 'syz_tun' (ffff888095c730f0): kobject_cleanup, parent (null) kobject: 'syz_tun' (ffff88808f43a7f0): calling ktype release kobject: 'syz_tun': free name kobject: 'syz_tun' (ffff888095c730f0): calling ktype release kobject: 'syz_tun': free name kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'batman_adv' (ffff888097cc8500): kobject_uevent_env kobject: 'batman_adv' (ffff888097cc8500): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'batman_adv' (ffff888097cc8500): kobject_cleanup, parent (null) kobject: 'batman_adv' (ffff888097cc8500): calling ktype release kobject: (ffff888097cc8500): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (ffff8880a829d910): kobject_cleanup, parent ffff8880a6838d48 kobject: 'rx-0' (ffff8880a829d910): auto cleanup 'remove' event kobject: 'rx-0' (ffff8880a829d910): kobject_uevent_env kobject: 'rx-0' (ffff8880a829d910): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/rx-0' kobject: 'rx-0' (ffff8880a829d910): auto cleanup kobject_del kobject: 'rx-0' (ffff8880a829d910): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880756517d8): kobject_cleanup, parent ffff8880a6838d48 kobject: 'tx-0' (ffff8880756517d8): auto cleanup 'remove' event kobject: 'tx-0' (ffff8880756517d8): kobject_uevent_env kobject: 'tx-0' (ffff8880756517d8): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/tx-0' kobject: 'tx-0' (ffff8880756517d8): auto cleanup kobject_del kobject: 'tx-0' (ffff8880756517d8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880a6838d48): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880a6838d48): calling ktype release kobject: 'queues' (ffff8880a6838d48): kset_release kobject: 'queues': free name kobject: 'syz_tun' (ffff8880877cb1b0): kobject_uevent_env kobject: 'syz_tun' (ffff8880877cb1b0): fill_kobj_path: path = '/devices/virtual/net/syz_tun' kobject: 'batman_adv' (ffff888088944b80): kobject_uevent_env kobject: 'batman_adv' (ffff888088944b80): kobject_uevent_env: filter function caused the event to drop! kobject: 'batman_adv' (ffff888088944b80): kobject_cleanup, parent (null) kobject: 'batman_adv' (ffff888088944b80): calling ktype release kobject: (ffff888088944b80): dynamic_kobj_release kobject: 'batman_adv': free name kobject: 'rx-0' (ffff888096c33f10): kobject_cleanup, parent ffff88806ea04f48 kobject: 'rx-0' (ffff888096c33f10): auto cleanup 'remove' event kobject: 'rx-0' (ffff888096c33f10): kobject_uevent_env kobject: 'rx-0' (ffff888096c33f10): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/rx-0' kobject: 'rx-0' (ffff888096c33f10): auto cleanup kobject_del kobject: 'rx-0' (ffff888096c33f10): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff8880649eaa18): kobject_cleanup, parent ffff88806ea04f48 kobject: 'tx-0' (ffff8880649eaa18): auto cleanup 'remove' event kobject: 'tx-0' (ffff8880649eaa18): kobject_uevent_env kobject: 'tx-0' (ffff8880649eaa18): fill_kobj_path: path = '/devices/virtual/net/syz_tun/queues/tx-0' kobject: 'tx-0' (ffff8880649eaa18): auto cleanup kobject_del kobject: 'tx-0' (ffff8880649eaa18): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88806ea04f48): kobject_cleanup, parent (null) kobject: 'queues' (ffff88806ea04f48): calling ktype release kobject: 'queues' (ffff88806ea04f48): kset_release kobject: 'queues': free name kobject: 'syz_tun' (ffff888061641670): kobject_uevent_env kobject: 'syz_tun' (ffff888061641670): fill_kobj_path: path = '/devices/virtual/net/syz_tun' kobject: 'syz_tun' (ffff8880877cb1b0): kobject_cleanup, parent (null) kobject: 'syz_tun' (ffff8880877cb1b0): calling ktype release kobject: 'syz_tun': free name kobject: 'syz_tun' (ffff888061641670): kobject_cleanup, parent (null) kobject: 'syz_tun' (ffff888061641670): calling ktype release kobject: 'syz_tun': free name kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' futex_wake_op: syz-executor.1 tries to shift op by 4095; fix this program futex_wake_op: syz-executor.1 tries to shift op by 4095; fix this program kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' futex_wake_op: syz-executor.1 tries to shift op by 4095; fix this program kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' futex_wake_op: syz-executor.1 tries to shift op by 4095; fix this program kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' futex_wake_op: syz-executor.1 tries to shift op by 4095; fix this program kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1804 audit(1574155010.194:478): pid=24225 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir908568293/syzkaller.gpaHFp/610/bus" dev="sda1" ino=17361 res=1 audit: type=1804 audit(1574155010.254:479): pid=24229 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir908568293/syzkaller.gpaHFp/610/bus" dev="sda1" ino=17361 res=1 kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env audit: type=1804 audit(1574155010.384:480): pid=24237 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir908568293/syzkaller.gpaHFp/611/bus" dev="sda1" ino=17351 res=1 kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1804 audit(1574155010.384:481): pid=24240 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir623471917/syzkaller.IhRztF/121/bus" dev="sda1" ino=17425 res=1 kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1804 audit(1574155011.034:482): pid=24256 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir908568293/syzkaller.gpaHFp/612/bus" dev="sda1" ino=16923 res=1 kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1804 audit(1574155011.084:483): pid=24257 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir648476212/syzkaller.qVY0wG/269/bus" dev="sda1" ino=17628 res=1 kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1804 audit(1574155011.134:484): pid=24259 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir623471917/syzkaller.IhRztF/122/bus" dev="sda1" ino=17629 res=1 audit: type=1804 audit(1574155011.224:485): pid=24272 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir908568293/syzkaller.gpaHFp/613/bus" dev="sda1" ino=16895 res=1 kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1804 audit(1574155011.304:486): pid=24281 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir623471917/syzkaller.IhRztF/123/bus" dev="sda1" ino=17631 res=1 audit: type=1804 audit(1574155011.324:487): pid=24280 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir648476212/syzkaller.qVY0wG/270/bus" dev="sda1" ino=17632 res=1 kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' block nbd5: shutting down sockets kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' block nbd5: shutting down sockets kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' block nbd5: shutting down sockets kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env block nbd5: shutting down sockets kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' block nbd5: shutting down sockets kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' block nbd4: shutting down sockets kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' block nbd5: shutting down sockets kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' block nbd4: shutting down sockets kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' block nbd4: shutting down sockets kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880946a8520): kobject_uevent_env kobject: 'loop4' (ffff8880946a8520): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4add3e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4add3e0): fill_kobj_path: path = '/devices/virtual/block/loop5'