SELinux: unrecognized netlink message: protocol=0 nlmsg_type=30068 sclass=netlink_route_socket pig=23366 comm=syz-executor.5 ====================================================== WARNING: possible circular locking dependency detected 4.14.160-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.0/23380 is trying to acquire lock: (event_mutex){+.+.}, at: [] perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:234 but task is already holding lock: (&event->child_mutex){+.+.}, at: [] perf_event_release_kernel+0x207/0x880 kernel/events/core.c:4397 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #5 (&event->child_mutex){+.+.}: kobject: 'loop5' (ffff8880a41d7760): 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 perf_event_for_each_child+0x8a/0x150 kernel/events/core.c:4682 perf_event_task_disable+0x97/0x120 kernel/events/core.c:4928 SYSC_prctl kernel/sys.c:2288 [inline] SyS_prctl+0x4c7/0xc50 kernel/sys.c:2197 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #4 (&cpuctx_mutex){+.+.}: 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 kobject: 'loop5' (ffff8880a41d7760): fill_kobj_path: path = '/devices/virtual/block/loop5' perf_event_init_cpu+0xc2/0x170 kernel/events/core.c:11223 perf_event_init+0x2d8/0x31a kernel/events/core.c:11270 start_kernel+0x3b6/0x6fd init/main.c:620 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:399 x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:380 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #3 (pmus_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 perf_event_init_cpu+0x2f/0x170 kernel/events/core.c:11217 cpuhp_invoke_callback+0x1ea/0x1ab0 kernel/cpu.c:184 cpuhp_up_callbacks kernel/cpu.c:573 [inline] _cpu_up+0x228/0x530 kernel/cpu.c:1135 do_cpu_up kernel/cpu.c:1170 [inline] do_cpu_up+0xa6/0x160 kernel/cpu.c:1142 cpu_up+0x1b/0x20 kernel/cpu.c:1178 smp_init+0x157/0x170 kernel/smp.c:578 kernel_init_freeable+0x30b/0x532 init/main.c:1066 kernel_init+0x12/0x162 init/main.c:998 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 -> #2 (cpu_hotplug_lock.rw_sem){++++}: kobject: 'loop3' (ffff8880a4142de0): kobject_uevent_env 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] cpus_read_lock+0x3d/0xc0 kernel/cpu.c:295 static_key_slow_inc+0x13/0x30 kernel/jump_label.c:123 tracepoint_add_func kernel/tracepoint.c:223 [inline] tracepoint_probe_register_prio+0x4d6/0x6d0 kernel/tracepoint.c:283 tracepoint_probe_register+0x2b/0x40 kernel/tracepoint.c:304 trace_event_reg+0x277/0x330 kernel/trace/trace_events.c:305 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline] perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline] perf_trace_init+0x449/0xaa0 kernel/trace/trace_event_perf.c:221 kobject: 'bridge1' (ffff888052a6a370): kobject_add_internal: parent: 'net', set: 'devices' perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8106 perf_try_init_event+0x164/0x200 kernel/events/core.c:9342 kobject: 'loop3' (ffff8880a4142de0): fill_kobj_path: path = '/devices/virtual/block/loop3' perf_init_event kernel/events/core.c:9380 [inline] perf_event_alloc.part.0+0xd92/0x25c0 kernel/events/core.c:9640 perf_event_alloc kernel/events/core.c:9993 [inline] SYSC_perf_event_open+0xad1/0x2690 kernel/events/core.c:10097 SyS_perf_event_open+0x34/0x40 kernel/events/core.c:9983 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 kobject: 'bridge1' (ffff888052a6a370): kobject_uevent_env entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #1 (tracepoints_mutex){+.+.}: 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 tracepoint_probe_register_prio+0x36/0x6d0 kernel/tracepoint.c:279 tracepoint_probe_register+0x2b/0x40 kernel/tracepoint.c:304 trace_event_reg+0x277/0x330 kernel/trace/trace_events.c:305 perf_trace_event_reg kernel/trace/trace_event_perf.c:122 [inline] perf_trace_event_init kernel/trace/trace_event_perf.c:197 [inline] perf_trace_init+0x449/0xaa0 kernel/trace/trace_event_perf.c:221 perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:8106 perf_try_init_event+0x164/0x200 kernel/events/core.c:9342 perf_init_event kernel/events/core.c:9380 [inline] perf_event_alloc.part.0+0xd92/0x25c0 kernel/events/core.c:9640 perf_event_alloc kernel/events/core.c:9993 [inline] SYSC_perf_event_open+0xad1/0x2690 kernel/events/core.c:10097 SyS_perf_event_open+0x34/0x40 kernel/events/core.c:9983 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #0 (event_mutex){+.+.}: 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 perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:234 tp_perf_event_destroy+0x16/0x20 kernel/events/core.c:8090 _free_event+0x330/0xe70 kernel/events/core.c:4238 free_event+0x38/0x50 kernel/events/core.c:4265 perf_event_release_kernel+0x364/0x880 kernel/events/core.c:4409 perf_release+0x37/0x50 kernel/events/core.c:4435 __fput+0x275/0x7a0 fs/file_table.c:210 ____fput+0x16/0x20 fs/file_table.c:244 task_work_run+0x114/0x190 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x7be/0x2c80 kernel/exit.c:854 do_group_exit+0x111/0x330 kernel/exit.c:951 SYSC_exit_group kernel/exit.c:962 [inline] SyS_exit_group+0x1d/0x20 kernel/exit.c:960 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: Chain exists of: event_mutex --> &cpuctx_mutex --> &event->child_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&event->child_mutex); lock(&cpuctx_mutex); lock(&event->child_mutex); lock(event_mutex); *** DEADLOCK *** 2 locks held by syz-executor.0/23380: #0: (&ctx->mutex){+.+.}, at: [] perf_event_release_kernel+0x1fd/0x880 kernel/events/core.c:4396 #1: (&event->child_mutex){+.+.}, at: [] perf_event_release_kernel+0x207/0x880 kernel/events/core.c:4397 stack backtrace: CPU: 1 PID: 23380 Comm: syz-executor.0 Not tainted 4.14.160-syzkaller #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 __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 perf_trace_destroy+0x28/0x100 kernel/trace/trace_event_perf.c:234 tp_perf_event_destroy+0x16/0x20 kernel/events/core.c:8090 _free_event+0x330/0xe70 kernel/events/core.c:4238 free_event+0x38/0x50 kernel/events/core.c:4265 perf_event_release_kernel+0x364/0x880 kernel/events/core.c:4409 perf_release+0x37/0x50 kernel/events/core.c:4435 __fput+0x275/0x7a0 fs/file_table.c:210 ____fput+0x16/0x20 fs/file_table.c:244 task_work_run+0x114/0x190 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x7be/0x2c80 kernel/exit.c:854 do_group_exit+0x111/0x330 kernel/exit.c:951 SYSC_exit_group kernel/exit.c:962 [inline] SyS_exit_group+0x1d/0x20 kernel/exit.c:960 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a919 RSP: 002b:00007feb3e4525c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 000000000000000b RCX: 000000000045a919 RDX: 00000000004146b1 RSI: 00007feb3e452600 RDI: 000000000000000b RBP: 000000000075bf20 R08: 000000000000001a R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007feb3e4536d4 R13: 00000000004cb266 R14: 00000000004e49a8 R15: 00000000ffffffff kobject: 'bridge1' (ffff888052a6a370): fill_kobj_path: path = '/devices/virtual/net/bridge1' kobject: 'queues' (ffff8880a00c6248): kobject_add_internal: parent: 'bridge1', set: '' kobject: 'loop0' (ffff88809f66ebe0): kobject_uevent_env kobject: 'queues' (ffff8880a00c6248): kobject_uevent_env kobject: 'loop0' (ffff88809f66ebe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (ffff8880a00c6248): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88808f2bdc10): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88808f2bdc10): kobject_uevent_env kobject: 'rx-0' (ffff88808f2bdc10): fill_kobj_path: path = '/devices/virtual/net/bridge1/queues/rx-0' kobject: 'tx-0' (ffff888094e23558): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'tx-0' (ffff888094e23558): kobject_uevent_env kobject: 'tx-0' (ffff888094e23558): fill_kobj_path: path = '/devices/virtual/net/bridge1/queues/tx-0' kobject: 'brif' (ffff88808e30c780): kobject_add_internal: parent: 'bridge1', set: '' kobject: 'loop5' (ffff8880a41d7760): kobject_uevent_env kobject: 'loop5' (ffff8880a41d7760): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'batman_adv' (ffff88809708aa00): kobject_add_internal: parent: 'bridge1', set: '' kobject: 'loop3' (ffff8880a4142de0): kobject_uevent_env kobject: 'loop3' (ffff8880a4142de0): fill_kobj_path: path = '/devices/virtual/block/loop3' bridge0: port 3(gretap0) entered blocking state bridge0: port 3(gretap0) entered disabled state kobject: 'brport' (ffff888095316ed0): kobject_add_internal: parent: 'gretap0', set: '' device gretap0 entered promiscuous mode kobject: 'brport' (ffff888095316ed0): kobject_uevent_env kobject: 'brport' (ffff888095316ed0): kobject_uevent_env: filter function caused the event to drop! kobject: 'pim6reg' (ffff88804a4452b0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'pim6reg' (ffff88804a4452b0): kobject_uevent_env kobject: 'loop2' (ffff8880a40c84e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40c84e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'pim6reg' (ffff88804a4452b0): fill_kobj_path: path = '/devices/virtual/net/pim6reg' kauditd_printk_skb: 243 callbacks suppressed audit: type=1400 audit(1577254807.984:8685): avc: denied { map } for pid=23437 comm="blkid" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'queues' (ffff888082778348): kobject_add_internal: parent: 'pim6reg', set: '' audit: type=1400 audit(1577254807.984:8686): avc: denied { map } for pid=23437 comm="blkid" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'queues' (ffff888082778348): kobject_uevent_env kobject: 'queues' (ffff888082778348): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff8880a8826c10): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff8880a8826c10): kobject_uevent_env audit: type=1400 audit(1577254808.044:8687): avc: denied { map } for pid=23437 comm="blkid" path="/etc/ld.so.cache" dev="sda1" ino=2251 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'rx-0' (ffff8880a8826c10): fill_kobj_path: path = '/devices/virtual/net/pim6reg/queues/rx-0' kobject: 'tx-0' (ffff88809b314cd8): kobject_add_internal: parent: 'queues', set: 'queues' audit: type=1400 audit(1577254808.074:8688): avc: denied { map } for pid=23437 comm="blkid" path="/lib/x86_64-linux-gnu/libblkid.so.1.1.0" dev="sda1" ino=2825 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'tx-0' (ffff88809b314cd8): kobject_uevent_env kobject: 'loop4' (ffff8880492f21e0): kobject_uevent_env kobject: 'tx-0' (ffff88809b314cd8): fill_kobj_path: path = '/devices/virtual/net/pim6reg/queues/tx-0' kobject: 'loop4' (ffff8880492f21e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'rx-0' (ffff8880a8826c10): kobject_cleanup, parent ffff888082778348 kobject: 'rx-0' (ffff8880a8826c10): auto cleanup 'remove' event kobject: 'loop5' (ffff8880a41d7760): kobject_uevent_env kobject: 'rx-0' (ffff8880a8826c10): kobject_uevent_env audit: type=1400 audit(1577254808.074:8689): avc: denied { map } for pid=23437 comm="blkid" path="/lib/x86_64-linux-gnu/libblkid.so.1.1.0" dev="sda1" ino=2825 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'rx-0' (ffff8880a8826c10): fill_kobj_path: path = '/devices/virtual/net/pim6reg/queues/rx-0' kobject: 'loop5' (ffff8880a41d7760): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'rx-0' (ffff8880a8826c10): auto cleanup kobject_del kobject: 'rx-0' (ffff8880a8826c10): calling ktype release kobject: 'rx-0': free name kobject: 'tx-0' (ffff88809b314cd8): kobject_cleanup, parent ffff888082778348 kobject: 'loop0' (ffff88809f66ebe0): kobject_uevent_env kobject: 'tx-0' (ffff88809b314cd8): auto cleanup 'remove' event kobject: 'tx-0' (ffff88809b314cd8): kobject_uevent_env kobject: 'tx-0' (ffff88809b314cd8): fill_kobj_path: path = '/devices/virtual/net/pim6reg/queues/tx-0' kobject: 'loop0' (ffff88809f66ebe0): fill_kobj_path: path = '/devices/virtual/block/loop0' audit: type=1400 audit(1577254808.094:8690): avc: denied { map } for pid=23437 comm="blkid" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'tx-0' (ffff88809b314cd8): auto cleanup kobject_del kobject: 'loop0' (ffff88809f66ebe0): kobject_uevent_env kobject: 'loop0' (ffff88809f66ebe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-0' (ffff88809b314cd8): calling ktype release audit: type=1400 audit(1577254808.094:8691): avc: denied { map } for pid=23437 comm="blkid" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'tx-0': free name hfs: gid requires an argument hfs: unable to parse mount options kobject: 'queues' (ffff888082778348): kobject_cleanup, parent (null) net_ratelimit: 17 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 kobject: 'queues' (ffff888082778348): calling ktype release kobject: 'loop0' (ffff88809f66ebe0): kobject_uevent_env kobject: 'loop0' (ffff88809f66ebe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (ffff888082778348): kset_release audit: type=1400 audit(1577254808.114:8692): avc: denied { map } for pid=23437 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'queues': free name kobject: 'pim6reg' (ffff88804a4452b0): kobject_uevent_env audit: type=1400 audit(1577254808.114:8693): avc: denied { map } for pid=23437 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'pim6reg' (ffff88804a4452b0): fill_kobj_path: path = '/devices/virtual/net/pim6reg' audit: audit_backlog=65 > audit_backlog_limit=64 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'bonding_slave' (ffff888091c3c618): kobject_add_internal: parent: 'bond_slave_1', set: '' bond0: Enslaving bond_slave_1 as an active interface with an up link kobject: 'pim6reg' (ffff88804c00cd30): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'pim6reg' (ffff88804c00cd30): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'pim6reg' (ffff88804c00cd30): fill_kobj_path: path = '/devices/virtual/net/pim6reg' kobject: 'loop2' (ffff8880a40c84e0): kobject_uevent_env kobject: 'queues' (ffff8880a148e448): kobject_add_internal: parent: 'pim6reg', set: '' kobject: 'loop2' (ffff8880a40c84e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (ffff8880a148e448): kobject_uevent_env kobject: 'queues' (ffff8880a148e448): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88808042e910): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'rx-0' (ffff88808042e910): kobject_uevent_env kobject: 'loop0' (ffff88809f66ebe0): kobject_uevent_env kobject: 'rx-0' (ffff88808042e910): fill_kobj_path: path = '/devices/virtual/net/pim6reg/queues/rx-0' kobject: 'loop0' (ffff88809f66ebe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-0' (ffff88807e945cd8): kobject_add_internal: parent: 'queues', set: 'queues' hfs: gid requires an argument hfs: unable to parse mount options kobject: 'loop2' (ffff8880a40c84e0): kobject_uevent_env kobject: 'tx-0' (ffff88807e945cd8): kobject_uevent_env kobject: 'loop2' (ffff8880a40c84e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'tx-0' (ffff88807e945cd8): fill_kobj_path: path = '/devices/virtual/net/pim6reg/queues/tx-0' kobject: 'loop0' (ffff88809f66ebe0): kobject_uevent_env kobject: 'pim6reg' (ffff88804a4452b0): kobject_cleanup, parent (null) kobject: 'loop0' (ffff88809f66ebe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'pim6reg' (ffff88804a4452b0): calling ktype release kobject: 'rx-0' (ffff88808042e910): kobject_cleanup, parent ffff8880a148e448 kobject: 'rx-0' (ffff88808042e910): auto cleanup 'remove' event kobject: 'rx-0' (ffff88808042e910): kobject_uevent_env kobject: 'pim6reg': free name kobject: 'rx-0' (ffff88808042e910): fill_kobj_path: path = '/devices/virtual/net/pim6reg/queues/rx-0' kobject: 'rx-0' (ffff88808042e910): auto cleanup kobject_del kobject: 'rx-0' (ffff88808042e910): calling ktype release kobject: 'loop2' (ffff88809ec02d80): kobject_add_internal: parent: 'xfs', set: 'xfs' kobject: 'stats' (ffff88809ec031b8): kobject_add_internal: parent: 'loop2', set: '' kobject: 'rx-0': free name kobject: 'tx-0' (ffff88807e945cd8): kobject_cleanup, parent ffff8880a148e448 kobject: 'error' (ffff88809ec02e10): kobject_add_internal: parent: 'loop2', set: '' kobject: 'tx-0' (ffff88807e945cd8): auto cleanup 'remove' event kobject: 'metadata' (ffff88809ec02ea0): kobject_add_internal: parent: 'error', set: '' kobject: 'tx-0' (ffff88807e945cd8): kobject_uevent_env kobject: 'tx-0' (ffff88807e945cd8): fill_kobj_path: path = '/devices/virtual/net/pim6reg/queues/tx-0' kobject: 'default' (ffff88809ec02f30): kobject_add_internal: parent: 'metadata', set: '' kobject: 'tx-0' (ffff88807e945cd8): auto cleanup kobject_del kobject: 'EIO' (ffff88809ec02fd0): kobject_add_internal: parent: 'metadata', set: '' kobject: 'tx-0' (ffff88807e945cd8): calling ktype release kobject: 'ENOSPC' (ffff88809ec03070): kobject_add_internal: parent: 'metadata', set: '' kobject: 'tx-0': free name kobject: 'queues' (ffff8880a148e448): kobject_cleanup, parent (null) kobject: 'ENODEV' (ffff88809ec03110): kobject_add_internal: parent: 'metadata', set: '' kobject: 'queues' (ffff8880a148e448): calling ktype release kobject: 'queues' (ffff8880a148e448): kset_release XFS (loop2): Mounting V4 Filesystem kobject: 'queues': free name XFS (loop2): totally zeroed log kobject: 'log' (ffff88807baa99c0): kobject_add_internal: parent: 'loop2', set: '' kobject: 'pim6reg' (ffff88804c00cd30): kobject_uevent_env XFS (loop2): failed to read root inode kobject: 'pim6reg' (ffff88804c00cd30): fill_kobj_path: path = '/devices/virtual/net/pim6reg' kobject: 'bridge2' (ffff88809faddbb0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'log' (ffff88807baa99c0): kobject_cleanup, parent (null) kobject: 'log' (ffff88807baa99c0): calling ktype release kobject: 'bridge2' (ffff88809faddbb0): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 kobject: 'log': free name kobject: 'default' (ffff88809ec02f30): kobject_cleanup, parent (null) kobject: 'bridge2' (ffff88809faddbb0): fill_kobj_path: path = '/devices/virtual/net/bridge2' kobject: 'loop5' (ffff8880a41d7760): kobject_uevent_env kobject: 'loop5' (ffff8880a41d7760): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'default' (ffff88809ec02f30): calling ktype release kobject: 'queues' (ffff8880535f7848): kobject_add_internal: parent: 'bridge2', set: '' kobject: 'default': free name kobject: 'queues' (ffff8880535f7848): kobject_uevent_env kobject: 'EIO' (ffff88809ec02fd0): kobject_cleanup, parent (null) kobject: 'queues' (ffff8880535f7848): kobject_uevent_env: filter function caused the event to drop! kobject: 'EIO' (ffff88809ec02fd0): calling ktype release kobject: 'loop2' (ffff8880a40c84e0): kobject_uevent_env kobject: 'EIO': free name kobject: 'rx-0' (ffff88808f076010): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'ENOSPC' (ffff88809ec03070): kobject_cleanup, parent (null) kobject: 'loop2' (ffff8880a40c84e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'rx-0' (ffff88808f076010): kobject_uevent_env kobject: 'ENOSPC' (ffff88809ec03070): calling ktype release kobject: 'ENOSPC': free name kobject: 'rx-0' (ffff88808f076010): fill_kobj_path: path = '/devices/virtual/net/bridge2/queues/rx-0' kobject: 'ENODEV' (ffff88809ec03110): kobject_cleanup, parent (null) kobject: 'ENODEV' (ffff88809ec03110): calling ktype release kobject: 'tx-0' (ffff888093de7298): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'ENODEV': free name kobject: 'tx-0' (ffff888093de7298): kobject_uevent_env kobject: 'metadata' (ffff88809ec02ea0): kobject_cleanup, parent (null) kobject: 'tx-0' (ffff888093de7298): fill_kobj_path: path = '/devices/virtual/net/bridge2/queues/tx-0' kobject: 'metadata' (ffff88809ec02ea0): calling ktype release kobject: 'metadata': free name kobject: 'loop5' (ffff8880a41d7760): kobject_uevent_env kobject: 'brif' (ffff88808c5fc380): kobject_add_internal: parent: 'bridge2', set: '' kobject: 'loop5' (ffff8880a41d7760): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'error' (ffff88809ec02e10): kobject_cleanup, parent (null) kobject: 'batman_adv' (ffff888081ff2400): kobject_add_internal: parent: 'bridge2', set: '' kobject: 'error' (ffff88809ec02e10): calling ktype release kobject: 'error': free name kobject: 'pim6reg' (ffff88804c00cd30): kobject_cleanup, parent (null) kobject: 'stats' (ffff88809ec031b8): kobject_cleanup, parent (null) kobject: 'pim6reg' (ffff88804c00cd30): calling ktype release kobject: 'pim6reg': free name kobject: 'stats' (ffff88809ec031b8): calling ktype release kobject: 'loop0' (ffff88809f66ebe0): kobject_uevent_env kobject: 'stats': free name kobject: 'loop2' (ffff88809ec02d80): kobject_cleanup, parent (null) kobject: 'loop0' (ffff88809f66ebe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop2' (ffff88809ec02d80): calling ktype release kobject: 'loop2': free name kobject: 'loop4' (ffff8880492f21e0): kobject_uevent_env kobject: 'loop4' (ffff8880492f21e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a40c84e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40c84e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'bridge3' (ffff88804f2956f0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'loop3' (ffff8880a4142de0): kobject_uevent_env kobject: 'bridge3' (ffff88804f2956f0): kobject_uevent_env kobject: 'loop0' (ffff88809f66ebe0): kobject_uevent_env kobject: 'loop3' (ffff8880a4142de0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop3' (ffff8880a4142de0): kobject_uevent_env kobject: 'loop0' (ffff88809f66ebe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'bridge3' (ffff88804f2956f0): fill_kobj_path: path = '/devices/virtual/net/bridge3' kobject: 'loop3' (ffff8880a4142de0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'queues' (ffff88807adfb148): kobject_add_internal: parent: 'bridge3', set: '' kobject: 'loop2' (ffff8880a40c84e0): kobject_uevent_env hfs: gid requires an argument kobject: 'loop2' (ffff8880a40c84e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'queues' (ffff88807adfb148): kobject_uevent_env hfs: unable to parse mount options kobject: 'queues' (ffff88807adfb148): kobject_uevent_env: filter function caused the event to drop! kobject: 'loop0' (ffff88809f66ebe0): kobject_uevent_env kobject: 'loop3' (ffff8880a4142de0): kobject_uevent_env kobject: 'rx-0' (ffff8880a4426850): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (ffff88809f66ebe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'loop3' (ffff8880a4142de0): fill_kobj_path: path = '/devices/virtual/block/loop3' netlink: 84 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'rx-0' (ffff8880a4426850): kobject_uevent_env kobject: 'rx-0' (ffff8880a4426850): fill_kobj_path: path = '/devices/virtual/net/bridge3/queues/rx-0' netlink: 84 bytes leftover after parsing attributes in process `syz-executor.2'. kobject: 'loop0' (ffff88809f66ebe0): kobject_uevent_env kobject: 'tx-0' (ffff888080336858): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (ffff88809f66ebe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-0' (ffff888080336858): kobject_uevent_env kobject: 'tx-0' (ffff888080336858): fill_kobj_path: path = '/devices/virtual/net/bridge3/queues/tx-0' kobject: 'brif' (ffff888097358800): kobject_add_internal: parent: 'bridge3', set: '' kobject: 'batman_adv' (ffff888097071780): kobject_add_internal: parent: 'bridge3', set: '' kobject: 'loop5' (ffff8880a41d7760): kobject_uevent_env kobject: 'loop5' (ffff8880a41d7760): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'kvm' (ffff888219482950): kobject_uevent_env kobject: 'kvm' (ffff888219482950): fill_kobj_path: path = '/devices/virtual/misc/kvm' kobject: 'loop0' (ffff88809f66ebe0): kobject_uevent_env kobject: 'loop0' (ffff88809f66ebe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kauditd_printk_skb: 273 callbacks suppressed audit: type=1400 audit(1577254812.994:8959): avc: denied { map } for pid=23542 comm="blkid" path="/lib/x86_64-linux-gnu/libc-2.13.so" dev="sda1" ino=2784 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'loop4' (ffff8880492f21e0): kobject_uevent_env kobject: 'loop3' (ffff8880a4142de0): kobject_uevent_env kobject: 'loop3' (ffff8880a4142de0): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'loop4' (ffff8880492f21e0): fill_kobj_path: path = '/devices/virtual/block/loop4' audit: type=1400 audit(1577254812.994:8960): avc: denied { map } for pid=23546 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'bridge4' (ffff8880a8edc5f0): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'bridge4' (ffff8880a8edc5f0): kobject_uevent_env kobject: 'bridge4' (ffff8880a8edc5f0): fill_kobj_path: path = '/devices/virtual/net/bridge4' audit: type=1400 audit(1577254813.004:8961): avc: denied { map } for pid=23546 comm="blkid" path="/sbin/blkid" dev="sda1" ino=16128 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'kvm' (ffff888219482950): kobject_uevent_env kobject: 'kvm' (ffff888219482950): fill_kobj_path: path = '/devices/virtual/misc/kvm' audit: type=1400 audit(1577254813.004:8962): avc: denied { map } for pid=23546 comm="blkid" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 audit: type=1400 audit(1577254813.004:8963): avc: denied { map } for pid=23542 comm="blkid" path="/lib/x86_64-linux-gnu/libuuid.so.1.3.0" dev="sda1" ino=2819 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'queues' (ffff8880997cee48): kobject_add_internal: parent: 'bridge4', set: '' kobject: 'queues' (ffff8880997cee48): kobject_uevent_env kobject: 'queues' (ffff8880997cee48): kobject_uevent_env: filter function caused the event to drop! kobject: 'rx-0' (ffff88808c4f0790): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (ffff88809f66ebe0): kobject_uevent_env audit: type=1400 audit(1577254813.004:8964): avc: denied { map } for pid=23546 comm="blkid" path="/lib/x86_64-linux-gnu/ld-2.13.so" dev="sda1" ino=2668 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 kobject: 'rx-0' (ffff88808c4f0790): kobject_uevent_env kobject: 'loop0' (ffff88809f66ebe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'rx-0' (ffff88808c4f0790): fill_kobj_path: path = '/devices/virtual/net/bridge4/queues/rx-0' audit: audit_backlog=65 > audit_backlog_limit=64 audit: audit_backlog=65 > audit_backlog_limit=64 hfs: gid requires an argument audit: audit_lost=210 audit_rate_limit=0 audit_backlog_limit=64 hfs: unable to parse mount options audit: audit_lost=211 audit_rate_limit=0 audit_backlog_limit=64 kobject: 'tx-0' (ffff888098e37298): kobject_add_internal: parent: 'queues', set: 'queues' kobject: 'loop0' (ffff88809f66ebe0): kobject_uevent_env kobject: 'loop0' (ffff88809f66ebe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'tx-0' (ffff888098e37298): kobject_uevent_env kobject: 'tx-0' (ffff888098e37298): fill_kobj_path: path = '/devices/virtual/net/bridge4/queues/tx-0' kobject: 'brif' (ffff88801db0af80): kobject_add_internal: parent: 'bridge4', set: '' kobject: 'batman_adv' (ffff8880a03fe580): kobject_add_internal: parent: 'bridge4', set: '' net_ratelimit: 15 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_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 kobject: 'loop4' (ffff8880492f21e0): kobject_uevent_env kobject: 'loop4' (ffff8880492f21e0): fill_kobj_path: path = '/devices/virtual/block/loop4' kobject: 'loop2' (ffff8880a40c84e0): kobject_uevent_env kobject: 'loop2' (ffff8880a40c84e0): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'bridge5' (ffff88807b5e4f30): kobject_add_internal: parent: 'net', set: 'devices' kobject: 'bridge5' (ffff88807b5e4f30): kobject_uevent_env kobject: 'loop5' (ffff8880a41d7760): kobject_uevent_env protocol 88fb is buggy, dev hsr_slave_0 kobject: 'bridge5' (ffff88807b5e4f30): fill_kobj_path: path = '/devices/virtual/net/bridge5' kobject: 'loop5' (ffff8880a41d7760): fill_kobj_path: path = '/devices/virtual/block/loop5' kobject: 'loop0' (ffff88809f66ebe0): kobject_uevent_env kobject: 'loop0' (ffff88809f66ebe0): fill_kobj_path: path = '/devices/virtual/block/loop0' kobject: 'queues' (ffff88808092bb48): kobject_add_internal: parent: 'bridge5', set: '' hfs: gid requires an argument protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1