audit: type=1800 audit(1555925968.394:178): pid=5618 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.2" name="memory.events" dev="sda1" ino=16636 res=0 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' ====================================================== WARNING: possible circular locking dependency detected 4.14.112 #2 Not tainted ------------------------------------------------------ syz-executor.1/5633 is trying to acquire lock: ( kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env &sig->cred_guard_mutex kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' ){+.+.}, at: [] lock_trace+0x44/0xc0 fs/proc/base.c:407 but task is already holding lock: (&p->lock){+.+.}, at: [] seq_read+0xc1/0x12a0 fs/seq_file.c:165 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #4 (&p->lock){+.+.} kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env : 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 CPU: 1 PID: 5629 Comm: syz-executor.3 Not tainted 4.14.112 #2 seq_read+0xc1/0x12a0 fs/seq_file.c:165 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 proc_reg_read+0xfd/0x180 fs/proc/inode.c:217 Call Trace: do_loop_readv_writev fs/read_write.c:694 [inline] do_loop_readv_writev fs/read_write.c:681 [inline] do_iter_read+0x3e7/0x5b0 fs/read_write.c:918 __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x138/0x19c lib/dump_stack.c:53 vfs_readv+0xd3/0x130 fs/read_write.c:980 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10f/0x159 lib/fault-inject.c:149 kernel_readv fs/splice.c:361 [inline] default_file_splice_read+0x421/0x7b0 fs/splice.c:416 do_splice_to+0x108/0x170 fs/splice.c:880 should_failslab+0xdb/0x130 mm/failslab.c:32 do_splice fs/splice.c:1173 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0xfcb/0x13e0 fs/splice.c:1382 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc_node mm/slab.c:3297 [inline] kmem_cache_alloc_node_trace+0x283/0x770 mm/slab.c:3659 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #3 __do_kmalloc_node mm/slab.c:3681 [inline] __kmalloc_node+0x3d/0x80 mm/slab.c:3689 ( kmalloc_node include/linux/slab.h:530 [inline] kvmalloc_node+0x4e/0xe0 mm/util.c:397 &pipe->mutex kvmalloc include/linux/mm.h:531 [inline] kvzalloc include/linux/mm.h:539 [inline] netif_alloc_rx_queues net/core/dev.c:7491 [inline] alloc_netdev_mqs+0x7ad/0xbc0 net/core/dev.c:8130 /1 rtnl_create_link+0x1b4/0x850 net/core/rtnetlink.c:2439 ){+.+.}: lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 rtnl_newlink+0xdd5/0x1710 net/core/rtnetlink.c:2688 __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 pipe_lock_nested fs/pipe.c:67 [inline] pipe_lock+0x63/0x80 fs/pipe.c:75 iter_file_splice_write+0x15e/0xae0 fs/splice.c:699 do_splice_from fs/splice.c:851 [inline] do_splice fs/splice.c:1147 [inline] SYSC_splice fs/splice.c:1402 [inline] SyS_splice+0xd81/0x13e0 fs/splice.c:1382 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 rtnetlink_rcv_msg+0x3ed/0xb70 net/core/rtnetlink.c:4285 -> #2 ( sb_writers #6){.+.+} netlink_rcv_skb+0x152/0x3c0 net/netlink/af_netlink.c:2432 : lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:36 [inline] percpu_down_read include/linux/percpu-rwsem.h:59 [inline] __sb_start_write+0x1ae/0x2f0 fs/super.c:1363 sb_start_write include/linux/fs.h:1545 [inline] mnt_want_write+0x3f/0xb0 fs/namespace.c:386 ovl_want_write+0x76/0xa0 fs/overlayfs/util.c:25 ovl_create_object+0x79/0x1e0 fs/overlayfs/dir.c:538 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4297 ovl_create+0x28/0x30 fs/overlayfs/dir.c:563 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x466/0x780 net/netlink/af_netlink.c:1312 lookup_open+0x11b1/0x1870 fs/namei.c:3240 do_last fs/namei.c:3331 [inline] path_openat+0xfca/0x3f70 fs/namei.c:3566 do_filp_open+0x18e/0x250 fs/namei.c:3600 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 do_sys_open+0x2c5/0x430 fs/open.c:1065 SYSC_open fs/open.c:1083 [inline] SyS_open fs/open.c:1078 [inline] SYSC_creat fs/open.c:1123 [inline] SyS_creat+0x27/0x30 fs/open.c:1121 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xd0/0x110 net/socket.c:656 -> #1 ___sys_sendmsg+0x70c/0x850 net/socket.c:2062 ( &ovl_i_mutex_dir_key[depth]){++++} : lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 down_read+0x3b/0xb0 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:725 [inline] do_last fs/namei.c:3330 [inline] path_openat+0x191e/0x3f70 fs/namei.c:3566 do_filp_open+0x18e/0x250 fs/namei.c:3600 do_open_execat+0xe7/0x4a0 fs/exec.c:849 do_execveat_common.isra.0+0x6d2/0x1dd0 fs/exec.c:1740 do_execveat fs/exec.c:1858 [inline] SYSC_execveat fs/exec.c:1939 [inline] SyS_execveat+0x4f/0x60 fs/exec.c:1931 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #0 ( __sys_sendmsg+0xb9/0x140 net/socket.c:2096 &sig->cred_guard_mutex ){+.+.}: SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 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+0x2c89/0x45e0 kernel/locking/lockdep.c:3487 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xe8/0x1470 kernel/locking/mutex.c:893 mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:923 lock_trace+0x44/0xc0 fs/proc/base.c:407 proc_pid_syscall+0x8c/0x200 fs/proc/base.c:639 entry_SYSCALL_64_after_hwframe+0x42/0xb7 proc_single_show+0xf6/0x160 fs/proc/base.c:761 RIP: 0033:0x458c29 seq_read+0x52b/0x12a0 fs/seq_file.c:237 do_loop_readv_writev fs/read_write.c:694 [inline] do_loop_readv_writev fs/read_write.c:681 [inline] do_iter_read+0x3e7/0x5b0 fs/read_write.c:918 RSP: 002b:00007fbd702eac78 EFLAGS: 00000246 vfs_readv+0xd3/0x130 fs/read_write.c:980 ORIG_RAX: 000000000000002e do_preadv+0x15d/0x200 fs/read_write.c:1064 RAX: ffffffffffffffda RBX: 00007fbd702eac90 RCX: 0000000000458c29 SYSC_preadv fs/read_write.c:1114 [inline] SyS_preadv+0x31/0x40 fs/read_write.c:1109 RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 other info that might help us debug this: R10: 0000000000000000 R11: 0000000000000246 R12: 00007fbd702eb6d4 Chain exists of: R13: 00000000004c6516 R14: 00000000004dae80 R15: 0000000000000004 &sig->cred_guard_mutex kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' --> &pipe->mutex/1 --> &p->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&p->lock); lock(&pipe->mutex/1); lock( kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env &p->lock kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' ); lock(&sig->cred_guard_mutex); *** DEADLOCK *** 1 lock held by syz-executor.1/5633: #0: (&p->lock){+.+.}, at: [] seq_read+0xc1/0x12a0 fs/seq_file.c:165 stack backtrace: CPU: 0 PID: 5633 Comm: syz-executor.1 Not tainted 4.14.112 #2 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+0x138/0x19c lib/dump_stack.c:53 kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env 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+0x2c89/0x45e0 kernel/locking/lockdep.c:3487 kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' 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 kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' mutex_lock_killable_nested+0x16/0x20 kernel/locking/mutex.c:923 lock_trace+0x44/0xc0 fs/proc/base.c:407 proc_pid_syscall+0x8c/0x200 fs/proc/base.c:639 kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env proc_single_show+0xf6/0x160 fs/proc/base.c:761 seq_read+0x52b/0x12a0 fs/seq_file.c:237 kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' do_loop_readv_writev fs/read_write.c:694 [inline] do_loop_readv_writev fs/read_write.c:681 [inline] do_iter_read+0x3e7/0x5b0 fs/read_write.c:918 vfs_readv+0xd3/0x130 fs/read_write.c:980 kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' do_preadv+0x15d/0x200 fs/read_write.c:1064 SYSC_preadv fs/read_write.c:1114 [inline] SyS_preadv+0x31/0x40 fs/read_write.c:1109 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x458c29 RSP: 002b:00007f808cbb9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000127 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000458c29 RDX: 1000000000000269 RSI: 0000000020000480 RDI: 0000000000000003 RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f808cbba6d4 R13: 00000000004c5969 R14: 00000000004d9cc8 R15: 00000000ffffffff protocol 88fb is buggy, dev hsr_slave_0 kobject: 'loop5' (ffff8880a4b2e2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b2e2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' protocol 88fb is buggy, dev hsr_slave_1 kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'vlan0' (ffff888061f91830): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'vlan0' (ffff888061f91830): kobject_uevent_env kobject: 'vlan0' (ffff888061f91830): fill_kobj_path: path = '/devices/virtual/net/vlan0' kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env kobject: 'queues' (ffff8880982a5948): kobject_add_internal: parent: 'vlan0', set: '' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'queues' (ffff8880982a5948): kobject_uevent_env kobject: 'queues' (ffff8880982a5948): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'rx-0' (ffff8880a603a790): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'rx-0' (ffff8880a603a790): kobject_uevent_env kobject: 'loop5' (ffff8880a4b2e2e0): kobject_uevent_env kobject: 'rx-0' (ffff8880a603a790): fill_kobj_path: path = '/devices/virtual/net/vlan0/queues/rx-0' kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'tx-0' (ffff888065313ad8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (ffff8880a4b2e2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (ffff888065313ad8): kobject_uevent_env kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env kobject: 'tx-0' (ffff888065313ad8): fill_kobj_path: path = '/devices/virtual/net/vlan0/queues/tx-0' kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'batman_adv' (ffff888099bf7f00): kobject_add_internal: parent: 'vlan0', set: '' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'loop5' (ffff8880a4b2e2e0): kobject_uevent_env kobject: 'batman_adv' (ffff888099bf7f00): kobject_uevent_env kobject: 'batman_adv' (ffff888099bf7f00): kobject_uevent_env: filter function caused the event to drop! kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'batman_adv' (ffff888099bf7f00): kobject_cleanup, parent (null) kobject: 'loop5' (ffff8880a4b2e2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'batman_adv' (ffff888099bf7f00): calling ktype release kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env kobject: (ffff888099bf7f00): dynamic_kobj_release kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'batman_adv': free name kobject: 'rx-0' (ffff8880a603a790): kobject_cleanup, parent ffff8880982a5948 kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'rx-0' (ffff8880a603a790): auto cleanup 'remove' event kobject: 'rx-0' (ffff8880a603a790): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'rx-0' (ffff8880a603a790): fill_kobj_path: path = '/devices/virtual/net/vlan0/queues/rx-0' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'rx-0' (ffff8880a603a790): auto cleanup kobject_del kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'rx-0' (ffff8880a603a790): calling ktype release kobject: 'rx-0': free name kobject: 'loop5' (ffff8880a4b2e2e0): kobject_uevent_env kobject: 'tx-0' (ffff888065313ad8): kobject_cleanup, parent ffff8880982a5948 kobject: 'loop5' (ffff8880a4b2e2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'tx-0' (ffff888065313ad8): auto cleanup 'remove' event kobject: 'tx-0' (ffff888065313ad8): kobject_uevent_env kobject: 'tx-0' (ffff888065313ad8): fill_kobj_path: path = '/devices/virtual/net/vlan0/queues/tx-0' kobject: 'tx-0' (ffff888065313ad8): auto cleanup kobject_del kobject: 'tx-0' (ffff888065313ad8): calling ktype release kobject: 'tx-0': free name kobject: 'queues' (ffff8880982a5948): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880982a5948): calling ktype release kobject: 'queues' (ffff8880982a5948): kset_release kobject: 'queues': free name kobject: 'vlan0' (ffff888061f91830): kobject_uevent_env kobject: 'vlan0' (ffff888061f91830): fill_kobj_path: path = '/devices/virtual/net/vlan0' kobject: 'vlan0' (ffff888061f91830): kobject_cleanup, parent (null) kobject: 'vlan0' (ffff888061f91830): calling ktype release kobject: 'vlan0': free name kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'. kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'. kobject: 'gre1' (ffff8880691d8db0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'gre1' (ffff8880691d8db0): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'gre1' (ffff8880691d8db0): fill_kobj_path: path = '/devices/virtual/net/gre1' kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'queues' (ffff88808cf4b648): kobject_add_internal: parent: 'gre1', set: '' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'queues' (ffff88808cf4b648): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'queues' (ffff88808cf4b648): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88809c670250): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop5' (ffff8880a4b2e2e0): kobject_uevent_env kobject: 'rx-0' (ffff88809c670250): kobject_uevent_env kobject: 'loop5' (ffff8880a4b2e2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (ffff88809c670250): fill_kobj_path: path = '/devices/virtual/net/gre1/queues/rx-0' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'tx-0' (ffff88808cf527d8): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'tx-0' (ffff88808cf527d8): kobject_uevent_env kobject: 'tx-0' (ffff88808cf527d8): fill_kobj_path: path = '/devices/virtual/net/gre1/queues/tx-0' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop5' (ffff8880a4b2e2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b2e2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' net_ratelimit: 14 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4 sclass=netlink_route_socket pig=5850 comm=syz-executor.3 kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (ffff8880a4b2e2e0): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (ffff8880a4b2e2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4b2e2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b2e2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4 sclass=netlink_route_socket pig=5870 comm=syz-executor.3 kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4b2e2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b2e2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env audit: type=1800 audit(1555925976.384:179): pid=5890 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="vcsa9" dev="sda1" ino=17297 res=0 kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env audit: type=1800 audit(1555925976.394:180): pid=5890 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="vcsa9" dev="sda1" ino=17297 res=0 kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'. kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' netlink: 20 bytes leftover after parsing attributes in process `syz-executor.3'. kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env kobject: 'kvm' (ffff888219ff0510): kobject_uevent_env kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'kvm' (ffff888219ff0510): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop5' (ffff8880a4b2e2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b2e2e0): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop3' (ffff8880a4a901e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4a901e0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop1' (ffff8880a49ed220): kobject_uevent_env kobject: 'loop1' (ffff8880a49ed220): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop5' (ffff8880a4b2e2e0): kobject_uevent_env kobject: 'loop5' (ffff8880a4b2e2e0): fill_kobj_path: path = '/devices/virtual/block/loop5'