====================================================== WARNING: possible circular locking dependency detected 4.19.76 #0 Not tainted ------------------------------------------------------ syz-executor.3/7684 is trying to acquire lock: 00000000ad0126f2 (&sig->cred_guard_mutex){+.+.}, at: lock_trace+0x4a/0xe0 fs/proc/base.c:402 but task is already holding lock: 00000000a05f7e09 (&p->lock){+.+.}, at: seq_read+0x71/0x1110 fs/seq_file.c:161 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&p->lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:925 [inline] __mutex_lock+0xf7/0x1300 kernel/locking/mutex.c:1072 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087 seq_read+0x71/0x1110 fs/seq_file.c:161 do_loop_readv_writev fs/read_write.c:701 [inline] do_loop_readv_writev fs/read_write.c:688 [inline] do_iter_read+0x490/0x640 fs/read_write.c:925 vfs_readv+0xf0/0x160 fs/read_write.c:987 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x478/0x890 fs/splice.c:417 do_splice_to+0x127/0x180 fs/splice.c:881 splice_direct_to_actor+0x256/0x890 fs/splice.c:953 do_splice_direct+0x1da/0x2a0 fs/splice.c:1062 do_sendfile+0x597/0xce0 fs/read_write.c:1447 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64 fs/read_write.c:1494 [inline] __x64_sys_sendfile64+0x1dd/0x220 fs/read_write.c:1494 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #2 (sb_writers#4){.+.+}: 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+0x208/0x360 fs/super.c:1387 sb_start_write include/linux/fs.h:1578 [inline] mnt_want_write+0x3f/0xc0 fs/namespace.c:360 ovl_want_write+0x76/0xa0 fs/overlayfs/util.c:24 ovl_xattr_set+0x53/0x5a0 fs/overlayfs/inode.c:332 ovl_other_xattr_set+0x39/0x50 fs/overlayfs/super.c:952 __vfs_removexattr+0x10f/0x180 fs/xattr.c:376 vfs_removexattr+0xb7/0x200 fs/xattr.c:395 removexattr+0xda/0x130 fs/xattr.c:690 path_removexattr+0x166/0x180 fs/xattr.c:704 __do_sys_lremovexattr fs/xattr.c:724 [inline] __se_sys_lremovexattr fs/xattr.c:721 [inline] __x64_sys_lremovexattr+0x56/0x80 fs/xattr.c:721 kobject: 'loop1' (00000000920c6da1): kobject_uevent_env do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' (&ovl_i_mutex_dir_key[depth]){++++}: down_read+0x3b/0xb0 kernel/locking/rwsem.c:24 inode_lock_shared include/linux/fs.h:757 [inline] lookup_slow+0x4a/0x80 fs/namei.c:1687 walk_component+0x747/0x2000 fs/namei.c:1810 lookup_last fs/namei.c:2273 [inline] path_lookupat.isra.0+0x1f5/0x8d0 fs/namei.c:2318 filename_lookup+0x1b0/0x410 fs/namei.c:2348 kern_path+0x36/0x40 fs/namei.c:2434 create_local_trace_uprobe+0x82/0x490 kernel/trace/trace_uprobe.c:1356 perf_uprobe_init+0x12b/0x210 kernel/trace/trace_event_perf.c:313 perf_uprobe_event_init+0xff/0x190 kernel/events/core.c:8540 perf_try_init_event+0x131/0x2f0 kernel/events/core.c:9815 perf_init_event kernel/events/core.c:9846 [inline] perf_event_alloc.part.0+0x1e38/0x2f50 kernel/events/core.c:10120 perf_event_alloc kernel/events/core.c:10476 [inline] __do_sys_perf_event_open+0x99f/0x2a70 kernel/events/core.c:10577 __se_sys_perf_event_open kernel/events/core.c:10466 [inline] __x64_sys_perf_event_open+0xbe/0x150 kernel/events/core.c:10466 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&sig->cred_guard_mutex){+.+.}: 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_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102 lock_trace+0x4a/0xe0 fs/proc/base.c:402 proc_pid_stack+0x13e/0x2c0 fs/proc/base.c:452 proc_single_show+0xf0/0x180 fs/proc/base.c:755 seq_read+0x4ca/0x1110 fs/seq_file.c:229 do_loop_readv_writev fs/read_write.c:701 [inline] do_loop_readv_writev fs/read_write.c:688 [inline] do_iter_read+0x490/0x640 fs/read_write.c:925 vfs_readv+0xf0/0x160 fs/read_write.c:987 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x478/0x890 fs/splice.c:417 do_splice_to+0x127/0x180 fs/splice.c:881 splice_direct_to_actor+0x256/0x890 fs/splice.c:953 do_splice_direct+0x1da/0x2a0 fs/splice.c:1062 do_sendfile+0x597/0xce0 fs/read_write.c:1447 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64 fs/read_write.c:1494 [inline] __x64_sys_sendfile64+0x1dd/0x220 fs/read_write.c:1494 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: Chain exists of: &sig->cred_guard_mutex --> sb_writers#4 --> &p->lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&p->lock); lock(sb_writers#4); lock(&p->lock); lock(&sig->cred_guard_mutex); *** DEADLOCK *** 2 locks held by syz-executor.3/7684: #0: 00000000a3804345 (sb_writers#4){.+.+}, at: file_start_write include/linux/fs.h:2775 [inline] #0: 00000000a3804345 (sb_writers#4){.+.+}, at: do_sendfile+0x9b9/0xce0 fs/read_write.c:1446 #1: 00000000a05f7e09 (&p->lock){+.+.}, at: seq_read+0x71/0x1110 fs/seq_file.c:161 stack backtrace: CPU: 1 PID: 7684 Comm: syz-executor.3 Not tainted 4.19.76 #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+0x172/0x1f0 lib/dump_stack.c:113 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_killable_nested+0x16/0x20 kernel/locking/mutex.c:1102 lock_trace+0x4a/0xe0 fs/proc/base.c:402 proc_pid_stack+0x13e/0x2c0 fs/proc/base.c:452 proc_single_show+0xf0/0x180 fs/proc/base.c:755 seq_read+0x4ca/0x1110 fs/seq_file.c:229 do_loop_readv_writev fs/read_write.c:701 [inline] do_loop_readv_writev fs/read_write.c:688 [inline] do_iter_read+0x490/0x640 fs/read_write.c:925 vfs_readv+0xf0/0x160 fs/read_write.c:987 kernel_readv fs/splice.c:362 [inline] default_file_splice_read+0x478/0x890 fs/splice.c:417 do_splice_to+0x127/0x180 fs/splice.c:881 splice_direct_to_actor+0x256/0x890 fs/splice.c:953 do_splice_direct+0x1da/0x2a0 fs/splice.c:1062 do_sendfile+0x597/0xce0 fs/read_write.c:1447 __do_sys_sendfile64 fs/read_write.c:1508 [inline] __se_sys_sendfile64 fs/read_write.c:1494 [inline] __x64_sys_sendfile64+0x1dd/0x220 fs/read_write.c:1494 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459a59 Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f326fba9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000000459a59 RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000007 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000000001f7 R11: 0000000000000246 R12: 00007f326fbaa6d4 R13: 00000000004c7489 R14: 00000000004dd038 R15: 00000000ffffffff kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env audit: type=1804 audit(1570192406.699:25072): pid=7692 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.1" name="/root/syzkaller-testdir013752163/syzkaller.DWDg8E/886/memory.events" dev="sda1" ino=16995 res=1 kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' audit: type=1804 audit(1570192406.759:25073): pid=7696 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-testdir634955244/syzkaller.xNvEAK/876/memory.events" dev="sda1" ino=16660 res=1 kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1804 audit(1570192407.429:25074): pid=7733 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.1" name="/root/syzkaller-testdir013752163/syzkaller.DWDg8E/887/memory.events" dev="sda1" ino=17025 res=1 kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1800 audit(1570192410.729:25075): pid=7962 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.0" name="file0" dev="sda1" ino=17025 res=0 kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env audit: type=1800 audit(1570192411.009:25076): pid=7999 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.0" name="file0" dev="sda1" ino=17361 res=0 kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env audit: type=1800 audit(1570192411.229:25077): pid=8013 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.0" name="file0" dev="sda1" ino=17301 res=0 kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): kobject_uevent_env audit: type=1800 audit(1570192411.309:25078): pid=8027 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.3" name="file0" dev="sda1" ino=17265 res=0 kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' audit: type=1800 audit(1570192411.579:25079): pid=8056 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.5" name="file0" dev="sda1" ino=17409 res=0 kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' audit: type=1800 audit(1570192411.619:25080): pid=8049 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.0" name="file0" dev="sda1" ino=17441 res=0 kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' audit: type=1800 audit(1570192411.729:25081): pid=8070 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.3" name="file0" dev="sda1" ino=17457 res=0 kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' audit: type=1800 audit(1570192411.829:25082): pid=8080 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.0" name="file0" dev="sda1" ino=16661 res=0 kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env audit: type=1800 audit(1570192411.939:25083): pid=8090 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.5" name="file0" dev="sda1" ino=17106 res=0 kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'kvm' (00000000a89739ff): kobject_uevent_env kobject: 'kvm' (00000000a89739ff): fill_kobj_path: path = '/devices/virtual/misc/kvm' audit: type=1800 audit(1570192412.049:25084): pid=8092 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.3" name="file0" dev="sda1" ino=17043 res=0 kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): 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: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (00000000004416cb): kobject_uevent_env kobject: 'loop2' (00000000004416cb): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): 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: 'loop0' (00000000e6ce45f5): kobject_uevent_env kobject: 'loop0' (00000000e6ce45f5): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop1' (00000000920c6da1): kobject_uevent_env kobject: 'loop1' (00000000920c6da1): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'loop4' (000000008ffa314f): kobject_uevent_env kobject: 'loop4' (000000008ffa314f): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (00000000004416cb): kobject_uevent_env