audit: type=1400 audit(1573144926.877:323): avc: denied { map } for pid=31999 comm="syz-executor.4" path="/dev/usbmon0" dev="devtmpfs" ino=14503 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 4.14.152 #0 Not tainted ------------------------------------------------------ kobject: 'loop1' (ffff888058a74f20): fill_kobj_path: path = '/devices/virtual/block/loop1' syz-executor.4/32000 is trying to acquire lock: (&rp->fetch_lock){+.+.}, at: [] mon_bin_vma_fault+0x6f/0x280 drivers/usb/mon/mon_bin.c:1236 but task is already holding lock: (&mm->mmap_sem){++++}, at: [] __mm_populate+0x1e5/0x2c0 mm/gup.c:1259 kobject: 'loop3' (ffff8880a4a246e0): kobject_uevent_env which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #1 (&mm->mmap_sem){++++}: kobject: 'loop3' (ffff8880a4a246e0): fill_kobj_path: path = '/devices/virtual/block/loop3' 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 -> #0 (&rp->fetch_lock){+.+.}: 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 __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_read_fault mm/memory.c:3633 [inline] do_fault mm/memory.c:3759 [inline] handle_pte_fault mm/memory.c:3989 [inline] __handle_mm_fault+0x2460/0x3470 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:2187 [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 other info that might help us debug this: Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&mm->mmap_sem); lock(&rp->fetch_lock); lock(&mm->mmap_sem); lock(&rp->fetch_lock); *** DEADLOCK *** 1 lock held by syz-executor.4/32000: #0: (&mm->mmap_sem){++++}, at: [] __mm_populate+0x1e5/0x2c0 mm/gup.c:1259 stack backtrace: CPU: 0 PID: 32000 Comm: syz-executor.4 Not tainted 4.14.152 #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+0x138/0x197 lib/dump_stack.c:53 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 __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_read_fault mm/memory.c:3633 [inline] do_fault mm/memory.c:3759 [inline] handle_pte_fault mm/memory.c:3989 [inline] __handle_mm_fault+0x2460/0x3470 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:2187 [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 RIP: 0033:0x45a219 RSP: 002b:00007f133f42ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a219 RDX: 0000000000000004 RSI: 0000000000004000 RDI: 0000000020ffb000 RBP: 000000000075bf20 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000002012 R11: 0000000000000246 R12: 00007f133f42b6d4 R13: 00000000004c6c9c R14: 00000000004dc460 R15: 00000000ffffffff kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. kobject: 'loop1' (ffff888058a74f20): kobject_uevent_env kobject: 'loop1' (ffff888058a74f20): fill_kobj_path: path = '/devices/virtual/block/loop1' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (ffff8880a4b129e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b129e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'hwsim9' (ffff88808f255510): kobject_add_internal: parent: 'mac80211_hwsim', set: 'devices' kobject: 'hwsim9' (ffff88808f255510): kobject_uevent_env kobject: 'hwsim9' (ffff88808f255510): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim9' kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'hwsim9' (ffff88808f255510): kobject_uevent_env kobject: 'hwsim9' (ffff88808f255510): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim9' kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop5' (ffff8880a4b129e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b129e0): fill_kobj_path: path = '/devices/virtual/block/loop5' IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected kobject: 'ieee80211' (ffff8880a95e4c00): kobject_add_internal: parent: 'hwsim9', set: '(null)' kobject: 'phy9' (ffff888056d39030): kobject_add_internal: parent: 'ieee80211', set: 'devices' kobject: 'phy9' (ffff888056d39030): kobject_uevent_env kobject: 'phy9' (ffff888056d39030): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim9/ieee80211/phy9' kobject: 'rfkill11' (ffff8880571b64a8): kobject_add_internal: parent: 'phy9', set: 'devices' kobject: 'rfkill11' (ffff8880571b64a8): kobject_uevent_env kobject: 'rfkill11' (ffff8880571b64a8): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim9/ieee80211/phy9/rfkill11' ieee80211 phy9: Selected rate control algorithm 'minstrel_ht' kobject: 'net' (ffff8880975c2900): kobject_add_internal: parent: 'hwsim9', set: '(null)' kobject: 'wlan3' (ffff888058a2e370): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'wlan3' (ffff888058a2e370): kobject_uevent_env kobject: 'wlan3' (ffff888058a2e370): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim9/net/wlan3' kobject: 'queues' (ffff888095fc3948): kobject_add_internal: parent: 'wlan3', set: '' kobject: 'queues' (ffff888095fc3948): kobject_uevent_env kobject: 'queues' (ffff888095fc3948): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff8880a828b010): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff8880a828b010): kobject_uevent_env kobject: 'rx-0' (ffff8880a828b010): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim9/net/wlan3/queues/rx-0' kobject: 'tx-0' (ffff88809e5fc5d8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff88809e5fc5d8): kobject_uevent_env kobject: 'tx-0' (ffff88809e5fc5d8): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim9/net/wlan3/queues/tx-0' kobject: 'tx-1' (ffff88809e5fc758): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-1' (ffff88809e5fc758): kobject_uevent_env kobject: 'tx-1' (ffff88809e5fc758): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim9/net/wlan3/queues/tx-1' kobject: 'tx-2' (ffff88809e5fc8d8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-2' (ffff88809e5fc8d8): kobject_uevent_env kobject: 'tx-2' (ffff88809e5fc8d8): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim9/net/wlan3/queues/tx-2' kobject: 'tx-3' (ffff88809e5fca58): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-3' (ffff88809e5fca58): kobject_uevent_env kobject: 'tx-3' (ffff88809e5fca58): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim9/net/wlan3/queues/tx-3' kobject: 'batman_adv' (ffff8880585ffd00): kobject_add_internal: parent: 'wlan3', set: '' ieee80211 phy9: hwaddr 02:00:00:00:09:00 registered kobject: 'loop3' (ffff8880a4a246e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a246e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'hwsim10' (ffff88805eb7e0d0): kobject_add_internal: parent: 'mac80211_hwsim', set: 'devices' kobject: 'loop1' (ffff888058a74f20): kobject_uevent_env audit: type=1804 audit(1573144930.247:324): pid=32064 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.4" name="/root/syzkaller-testdir491248580/syzkaller.H1Hoag/732/bus" dev="sda1" ino=18104 res=1 kobject: 'hwsim10' (ffff88805eb7e0d0): kobject_uevent_env kobject: 'loop1' (ffff888058a74f20): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4b129e0): kobject_uevent_env audit: type=1804 audit(1573144930.287:325): pid=32067 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.4" name="/root/syzkaller-testdir491248580/syzkaller.H1Hoag/732/bus" dev="sda1" ino=18104 res=1 kobject: 'hwsim10' (ffff88805eb7e0d0): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim10' kobject: 'loop5' (ffff8880a4b129e0): fill_kobj_path: path = '/devices/virtual/block/loop5' audit: type=1804 audit(1573144930.287:326): pid=32064 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="ToMToU" comm="syz-executor.4" name="/root/syzkaller-testdir491248580/syzkaller.H1Hoag/732/bus" dev="sda1" ino=18104 res=1 kobject: 'hwsim10' (ffff88805eb7e0d0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready kobject: 'loop5' (ffff8880a4b129e0): kobject_uevent_env kobject: 'hwsim10' (ffff88805eb7e0d0): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim10' kobject: 'loop5' (ffff8880a4b129e0): fill_kobj_path: path = '/devices/virtual/block/loop5' IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready audit: type=1804 audit(1573144930.457:327): pid=32079 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.4" name="/root/syzkaller-testdir491248580/syzkaller.H1Hoag/733/bus" dev="sda1" ino=18104 res=1 8021q: adding VLAN 0 to HW filter on device bond0 kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected kobject: 'ieee80211' (ffff888094dc8e80): kobject_add_internal: parent: 'hwsim10', set: '(null)' kobject: 'phy10' (ffff88805f8a0ff0): kobject_add_internal: parent: 'ieee80211', set: 'devices' kobject: 'phy10' (ffff88805f8a0ff0): kobject_uevent_env kobject: 'phy10' (ffff88805f8a0ff0): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim10/ieee80211/phy10' kobject: 'rfkill12' (ffff88805eb7ea28): kobject_add_internal: parent: 'phy10', set: 'devices' kobject: 'rfkill12' (ffff88805eb7ea28): kobject_uevent_env kobject: 'rfkill12' (ffff88805eb7ea28): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim10/ieee80211/phy10/rfkill12' ieee80211 phy10: Selected rate control algorithm 'minstrel_ht' kobject: 'net' (ffff888094dc8a80): kobject_add_internal: parent: 'hwsim10', set: '(null)' kobject: 'wlan4' (ffff88808d4597f0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'wlan4' (ffff88808d4597f0): kobject_uevent_env kobject: 'wlan4' (ffff88808d4597f0): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim10/net/wlan4' kobject: 'queues' (ffff88809bc57a48): kobject_add_internal: parent: 'wlan4', set: '' kobject: 'queues' (ffff88809bc57a48): kobject_uevent_env kobject: 'queues' (ffff88809bc57a48): kobject_uevent_env: filter function caused the event to drop! net_ratelimit: 10 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'rx-0' (ffff88809c3e4b50): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88809c3e4b50): kobject_uevent_env kobject: 'rx-0' (ffff88809c3e4b50): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim10/net/wlan4/queues/rx-0' kobject: 'tx-0' (ffff88805a656a58): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff88805a656a58): kobject_uevent_env kobject: 'tx-0' (ffff88805a656a58): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim10/net/wlan4/queues/tx-0' kobject: 'tx-1' (ffff88805a656bd8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-1' (ffff88805a656bd8): kobject_uevent_env kobject: 'tx-1' (ffff88805a656bd8): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim10/net/wlan4/queues/tx-1' kobject: 'tx-2' (ffff88805a656d58): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-2' (ffff88805a656d58): kobject_uevent_env kobject: 'tx-2' (ffff88805a656d58): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim10/net/wlan4/queues/tx-2' kobject: 'tx-3' (ffff88805a656ed8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-3' (ffff88805a656ed8): kobject_uevent_env kobject: 'tx-3' (ffff88805a656ed8): fill_kobj_path: path = '/devices/virtual/mac80211_hwsim/hwsim10/net/wlan4/queues/tx-3' kobject: 'batman_adv' (ffff8880652f4d80): kobject_add_internal: parent: 'wlan4', set: '' ieee80211 phy10: hwaddr 02:00:00:00:0a:00 registered kobject: 'loop3' (ffff8880a4a246e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a246e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff888058a74f20): kobject_uevent_env audit: type=1804 audit(1573144931.097:328): pid=32099 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.4" name="/root/syzkaller-testdir491248580/syzkaller.H1Hoag/734/bus" dev="sda1" ino=18119 res=1 kobject: 'loop1' (ffff888058a74f20): fill_kobj_path: path = '/devices/virtual/block/loop1' SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=32106 comm=syz-executor.3 kobject: 'loop5' (ffff8880a4b129e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b129e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env audit: type=1804 audit(1573144931.257:329): pid=32112 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.4" name="/root/syzkaller-testdir491248580/syzkaller.H1Hoag/735/bus" dev="sda1" ino=18110 res=1 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=32106 comm=syz-executor.3 kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=32106 comm=syz-executor.3 kobject: 'loop5' (ffff8880a4b129e0): kobject_uevent_env SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=32106 comm=syz-executor.3 kobject: 'loop5' (ffff8880a4b129e0): fill_kobj_path: path = '/devices/virtual/block/loop5' SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=32106 comm=syz-executor.3 kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=32106 comm=syz-executor.3 kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=32106 comm=syz-executor.3 kobject: 'loop1' (ffff888058a74f20): kobject_uevent_env SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=32106 comm=syz-executor.3 kobject: 'loop1' (ffff888058a74f20): fill_kobj_path: path = '/devices/virtual/block/loop1' SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=32106 comm=syz-executor.3 SELinux: unrecognized netlink message: protocol=6 nlmsg_type=0 sclass=netlink_xfrm_socket pig=32106 comm=syz-executor.3 kobject: 'loop3' (ffff8880a4a246e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a246e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4b129e0): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop5' (ffff8880a4b129e0): fill_kobj_path: path = '/devices/virtual/block/loop5' could not allocate digest TFM handle xxhash64 kobject: 'loop5' (ffff8880a4b129e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b129e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff888058a74f20): kobject_uevent_env kobject: 'loop1' (ffff888058a74f20): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' could not allocate digest TFM handle xxhash64 kobject: 'loop5' (ffff8880a4b129e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b129e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff888058a74f20): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (ffff888058a74f20): fill_kobj_path: path = '/devices/virtual/block/loop1' could not allocate digest TFM handle xxhash64 kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a246e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a246e0): fill_kobj_path: path = '/devices/virtual/block/loop3' could not allocate digest TFM handle xxhash64 could not allocate digest TFM handle xxhash64 kobject: 'loop5' (ffff8880a4b129e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b129e0): fill_kobj_path: path = '/devices/virtual/block/loop5' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (ffff888058a74f20): kobject_uevent_env kobject: 'loop1' (ffff888058a74f20): fill_kobj_path: path = '/devices/virtual/block/loop1' could not allocate digest TFM handle xxhash64 kobject: 'loop5' (ffff8880a4b129e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b129e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a246e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a246e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4b129e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b129e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop5' (ffff8880a4b129e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b129e0): fill_kobj_path: path = '/devices/virtual/block/loop5' could not allocate digest TFM handle xxhash64 kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop3' (ffff8880a4a246e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a246e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'rx-0' (ffff88809ce58790): kobject_cleanup, parent ffff88808773eb48 kobject: 'rx-0' (ffff88809ce58790): auto cleanup 'remove' event kobject: 'rx-0' (ffff88809ce58790): kobject_uevent_env kobject: 'rx-0' (ffff88809ce58790): fill_kobj_path: path = '/devices/virtual/net/nlmon0/queues/rx-0' kobject: 'loop3' (ffff8880a4a246e0): kobject_uevent_env kobject: 'rx-0' (ffff88809ce58790): auto cleanup kobject_del kobject: 'rx-0' (ffff88809ce58790): calling ktype release kobject: 'loop3' (ffff8880a4a246e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0': free name kobject: 'tx-0' (ffff888094c65098): kobject_cleanup, parent ffff88808773eb48 kobject: 'tx-0' (ffff888094c65098): auto cleanup 'remove' event kobject: 'tx-0' (ffff888094c65098): kobject_uevent_env kobject: 'tx-0' (ffff888094c65098): fill_kobj_path: path = '/devices/virtual/net/nlmon0/queues/tx-0' kobject: 'tx-0' (ffff888094c65098): auto cleanup kobject_del kobject: 'tx-0' (ffff888094c65098): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff88808773eb48): kobject_cleanup, parent (null) kobject: 'queues' (ffff88808773eb48): calling ktype release kobject: 'queues' (ffff88808773eb48): kset_release kobject: 'queues': free name kobject: 'nlmon0' (ffff8880a5c11470): kobject_uevent_env kobject: 'nlmon0' (ffff8880a5c11470): fill_kobj_path: path = '/devices/virtual/net/nlmon0' kobject: 'nlmon0' (ffff8880a5c11470): kobject_cleanup, parent (null) kobject: 'nlmon0' (ffff8880a5c11470): calling ktype release kobject: 'nlmon0': free name netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop3' (ffff8880a4a246e0): kobject_uevent_env netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop3' (ffff8880a4a246e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. kobject: 'loop3' (ffff8880a4a246e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a246e0): fill_kobj_path: path = '/devices/virtual/block/loop3' caif:caif_disconnect_client(): nothing to disconnect caif:caif_disconnect_client(): nothing to disconnect kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' caif:caif_disconnect_client(): nothing to disconnect kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop3' (ffff8880a4a246e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a246e0): fill_kobj_path: path = '/devices/virtual/block/loop3' caif:caif_disconnect_client(): nothing to disconnect net_ratelimit: 4 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 caif:caif_disconnect_client(): nothing to disconnect kobject: 'loop3' (ffff8880a4a246e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a246e0): fill_kobj_path: path = '/devices/virtual/block/loop3' caif:caif_disconnect_client(): nothing to disconnect kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' caif:caif_disconnect_client(): nothing to disconnect caif:caif_disconnect_client(): nothing to disconnect caif:caif_disconnect_client(): nothing to disconnect kobject: 'loop3' (ffff8880a4a246e0): kobject_uevent_env caif:caif_disconnect_client(): nothing to disconnect caif:caif_disconnect_client(): nothing to disconnect kobject: 'loop3' (ffff8880a4a246e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4' caif:caif_disconnect_client(): nothing to disconnect protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 caif:caif_disconnect_client(): nothing to disconnect kobject: 'loop3' (ffff8880a4a246e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a246e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880a4a7c0e0): kobject_uevent_env kobject: 'loop4' (ffff8880a4a7c0e0): fill_kobj_path: path = '/devices/virtual/block/loop4'