WARNING: possible circular locking dependency detected
4.15.0-rc3+ #219 Not tainted
------------------------------------------------------
syz-executor1/21963 is trying to acquire lock:
(&ctx->mutex){+.+.}, at: [<00000000c7d0c0ba>] perf_event_ctx_lock_nested+0x21b/0x450 kernel/events/core.c:1249
but task is already holding lock:
(&pipe->mutex/1){+.+.}, at: [<00000000508ff1d8>] pipe_lock_nested fs/pipe.c:67 [inline]
(&pipe->mutex/1){+.+.}, at: [<00000000508ff1d8>] pipe_lock+0x56/0x70 fs/pipe.c:75
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #8 (&pipe->mutex/1){+.+.}:
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0x16f/0x1a80 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+0x56/0x70 fs/pipe.c:75
iter_file_splice_write+0x264/0xf30 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+0x7d5/0x1630 fs/splice.c:1382
entry_SYSCALL_64_fastpath+0x1f/0x96
-> #7 (sb_writers){.+.+}:
spin_lock include/linux/spinlock.h:315 [inline]
fsnotify_detach_mark+0x152/0x5c0 fs/notify/mark.c:341
fsnotify_destroy_mark+0x2e/0x50 fs/notify/mark.c:391
fsnotify_destroy_marks+0xdf/0x190 fs/notify/mark.c:717
fsnotify_clear_marks_by_inode fs/notify/fsnotify.h:33 [inline]
__fsnotify_inode_delete+0x19/0x20 fs/notify/fsnotify.c:35
fsnotify_inoderemove include/linux/fsnotify.h:136 [inline]
dentry_unlink_inode+0x49e/0x5e0 fs/dcache.c:371
-> #6 ((completion)&req.done){+.+.}:
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004
complete_acquire include/linux/completion.h:40 [inline]
__wait_for_common kernel/sched/completion.c:109 [inline]
wait_for_common kernel/sched/completion.c:123 [inline]
wait_for_completion+0xcb/0x7b0 kernel/sched/completion.c:144
devtmpfs_create_node+0x32b/0x4a0 drivers/base/devtmpfs.c:115
device_add+0x120f/0x1640 drivers/base/core.c:1824
device_create_groups_vargs+0x1f3/0x250 drivers/base/core.c:2430
device_create_vargs drivers/base/core.c:2470 [inline]
device_create+0xda/0x110 drivers/base/core.c:2506
msr_device_create+0x26/0x40 arch/x86/kernel/msr.c:188
cpuhp_invoke_callback+0x2ea/0x1d20 kernel/cpu.c:182
cpuhp_thread_fun+0x48e/0x7e0 kernel/cpu.c:571
smpboot_thread_fn+0x450/0x7c0 kernel/smpboot.c:164
kthread+0x37a/0x440 kernel/kthread.c:238
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:441
-> #5 (cpuhp_state-up){+.+.}:
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004
cpuhp_lock_acquire kernel/cpu.c:85 [inline]
cpuhp_invoke_ap_callback kernel/cpu.c:605 [inline]
cpuhp_issue_call+0x1e5/0x520 kernel/cpu.c:1495
__cpuhp_setup_state_cpuslocked+0x282/0x600 kernel/cpu.c:1642
__cpuhp_setup_state+0xb0/0x140 kernel/cpu.c:1671
cpuhp_setup_state include/linux/cpuhotplug.h:201 [inline]
page_writeback_init+0x4d/0x71 mm/page-writeback.c:2081
pagecache_init+0x48/0x4f mm/filemap.c:977
start_kernel+0x6bc/0x74f init/main.c:695
x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:378
x86_64_start_kernel+0x77/0x7a arch/x86/kernel/head64.c:359
secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:237
-> #4 (cpuhp_state_mutex){+.+.}:
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
__cpuhp_setup_state_cpuslocked+0x5b/0x600 kernel/cpu.c:1617
__cpuhp_setup_state+0xb0/0x140 kernel/cpu.c:1671
cpuhp_setup_state_nocalls include/linux/cpuhotplug.h:229 [inline]
kvm_guest_init+0x1f3/0x20f arch/x86/kernel/kvm.c:528
setup_arch+0x17e8/0x1a02 arch/x86/kernel/setup.c:1266
start_kernel+0xa5/0x74f init/main.c:530
x86_64_start_reservations+0x2a/0x2c arch/x86/kernel/head64.c:378
x86_64_start_kernel+0x77/0x7a arch/x86/kernel/head64.c:359
secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:237
-> #3 (cpu_hotplug_lock.rw_sem){++++}:
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004
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+0x42/0x90 kernel/cpu.c:293
static_key_slow_inc+0x9d/0x3c0 kernel/jump_label.c:123
tracepoint_add_func kernel/tracepoint.c:223 [inline]
tracepoint_probe_register_prio+0x80d/0x9a0 kernel/tracepoint.c:283
tracepoint_probe_register+0x2a/0x40 kernel/tracepoint.c:304
trace_event_reg+0x167/0x320 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+0x4ef/0xab0 kernel/trace/trace_event_perf.c:221
perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:7956
perf_try_init_event+0xc9/0x1f0 kernel/events/core.c:9182
perf_init_event kernel/events/core.c:9220 [inline]
perf_event_alloc+0x1cc6/0x2b00 kernel/events/core.c:9484
SYSC_perf_event_open+0x842/0x2f10 kernel/events/core.c:9939
SyS_perf_event_open+0x39/0x50 kernel/events/core.c:9825
entry_SYSCALL_64_fastpath+0x1f/0x96
-> #2 (tracepoints_mutex){+.+.}:
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
tracepoint_probe_register_prio+0xa0/0x9a0 kernel/tracepoint.c:279
tracepoint_probe_register+0x2a/0x40 kernel/tracepoint.c:304
trace_event_reg+0x167/0x320 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+0x4ef/0xab0 kernel/trace/trace_event_perf.c:221
perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:7956
perf_try_init_event+0xc9/0x1f0 kernel/events/core.c:9182
perf_init_event kernel/events/core.c:9220 [inline]
perf_event_alloc+0x1cc6/0x2b00 kernel/events/core.c:9484
SYSC_perf_event_open+0x842/0x2f10 kernel/events/core.c:9939
SyS_perf_event_open+0x39/0x50 kernel/events/core.c:9825
entry_SYSCALL_64_fastpath+0x1f/0x96
-> #1 (event_mutex){+.+.}:
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
perf_trace_init+0x58/0xab0 kernel/trace/trace_event_perf.c:216
perf_tp_event_init+0x7d/0xf0 kernel/events/core.c:7956
perf_try_init_event+0xc9/0x1f0 kernel/events/core.c:9182
perf_init_event kernel/events/core.c:9204 [inline]
perf_event_alloc+0x1005/0x2b00 kernel/events/core.c:9484
inherit_event.isra.92+0x15b/0x920 kernel/events/core.c:10698
inherit_group kernel/events/core.c:10789 [inline]
inherit_task_group.isra.94.part.95+0x73/0x240 kernel/events/core.c:10847
inherit_task_group kernel/events/core.c:10827 [inline]
perf_event_init_context kernel/events/core.c:10898 [inline]
perf_event_init_task+0x348/0x890 kernel/events/core.c:10966
copy_process.part.36+0x173b/0x4ae0 kernel/fork.c:1727
copy_process kernel/fork.c:1566 [inline]
_do_fork+0x1ef/0xff0 kernel/fork.c:2045
SYSC_clone kernel/fork.c:2155 [inline]
SyS_clone+0x37/0x50 kernel/fork.c:2149
do_syscall_64+0x26c/0x920 arch/x86/entry/common.c:285
return_from_SYSCALL_64+0x0/0x75
-> #0 (&ctx->mutex){+.+.}:
check_prevs_add kernel/locking/lockdep.c:2031 [inline]
validate_chain kernel/locking/lockdep.c:2473 [inline]
__lock_acquire+0x3498/0x47f0 kernel/locking/lockdep.c:3500
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
perf_event_ctx_lock_nested+0x21b/0x450 kernel/events/core.c:1249
perf_event_ctx_lock kernel/events/core.c:1262 [inline]
perf_read+0xb9/0x970 kernel/events/core.c:4507
do_loop_readv_writev fs/read_write.c:673 [inline]
do_iter_read+0x3db/0x5b0 fs/read_write.c:897
vfs_readv+0x121/0x1c0 fs/read_write.c:959
kernel_readv fs/splice.c:361 [inline]
default_file_splice_read+0x508/0xae0 fs/splice.c:416
do_splice_to+0x110/0x170 fs/splice.c:880
do_splice fs/splice.c:1173 [inline]
SYSC_splice fs/splice.c:1402 [inline]
SyS_splice+0x11a8/0x1630 fs/splice.c:1382
entry_SYSCALL_64_fastpath+0x1f/0x96
other info that might help us debug this:
Chain exists of:
&ctx->mutex --> sb_writers --> &pipe->mutex/1
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&pipe->mutex/1);
lock(sb_writers);
lock(&pipe->mutex/1);
lock(&ctx->mutex);
*** DEADLOCK ***
1 lock held by syz-executor1/21963:
#0: (&pipe->mutex/1){+.+.}, at: [<00000000508ff1d8>] pipe_lock_nested fs/pipe.c:67 [inline]
#0: (&pipe->mutex/1){+.+.}, at: [<00000000508ff1d8>] pipe_lock+0x56/0x70 fs/pipe.c:75
stack backtrace:
CPU: 1 PID: 21963 Comm: syz-executor1 Not tainted 4.15.0-rc3+ #219
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+0x194/0x257 lib/dump_stack.c:53
print_circular_bug+0x42d/0x610 kernel/locking/lockdep.c:1271
check_prev_add+0x666/0x15f0 kernel/locking/lockdep.c:1914
check_prevs_add kernel/locking/lockdep.c:2031 [inline]
validate_chain kernel/locking/lockdep.c:2473 [inline]
__lock_acquire+0x3498/0x47f0 kernel/locking/lockdep.c:3500
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4004
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
perf_event_ctx_lock_nested+0x21b/0x450 kernel/events/core.c:1249
perf_event_ctx_lock kernel/events/core.c:1262 [inline]
perf_read+0xb9/0x970 kernel/events/core.c:4507
do_loop_readv_writev fs/read_write.c:673 [inline]
do_iter_read+0x3db/0x5b0 fs/read_write.c:897
vfs_readv+0x121/0x1c0 fs/read_write.c:959
kernel_readv fs/splice.c:361 [inline]
default_file_splice_read+0x508/0xae0 fs/splice.c:416
do_splice_to+0x110/0x170 fs/splice.c:880
do_splice fs/splice.c:1173 [inline]
SYSC_splice fs/splice.c:1402 [inline]
SyS_splice+0x11a8/0x1630 fs/splice.c:1382
entry_SYSCALL_64_fastpath+0x1f/0x96
RIP: 0033:0x452a39
RSP: 002b:00007fd128948c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000113
RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39
RDX: 0000000000000016 RSI: 0000000000000000 RDI: 0000000000000017
RBP: 00000000000003f4 R08: 0000000100000001 R09: 000000000000000e
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f3f80
R13: 00000000ffffffff R14: 00007fd1289496d4 R15: 0000000000000000
device lo entered promiscuous mode
IPv6: ADDRCONF(NETDEV_UP): lo: link is not ready
netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor4'.
audit: type=1326 audit(1513178250.852:1889): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=22032 comm="syz-executor1" exe="/root/syz-executor1" sig=9 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x0
audit: type=1326 audit(1513178250.941:1890): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=22032 comm="syz-executor1" exe="/root/syz-executor1" sig=9 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x0
device gre0 entered promiscuous mode
tty_warn_deprecated_flags: 'syz-executor6' is using deprecated serial flags (with no effect): 00008000
sg_write: data in/out 327644/118 bytes for SCSI command 0xec-- guessing data in;
program syz-executor1 not setting count and/or reply_len properly
sg_write: data in/out 327644/118 bytes for SCSI command 0xec-- guessing data in;
program syz-executor1 not setting count and/or reply_len properly
tty_warn_deprecated_flags: 'syz-executor6' is using deprecated serial flags (with no effect): 00008000
audit: type=1400 audit(1513178252.752:1891): avc: denied { map } for pid=22232 comm="syz-executor1" path="socket:[80884]" dev="sockfs" ino=80884 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=unix_dgram_socket permissive=1
audit: type=1326 audit(1513178252.783:1892): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=22229 comm="syz-executor6" exe="/root/syz-executor6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000
audit: type=1326 audit(1513178252.803:1893): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=22229 comm="syz-executor6" exe="/root/syz-executor6" sig=31 arch=c000003e syscall=35 compat=0 ip=0x47e0a1 code=0xffff0000
device gre0 entered promiscuous mode
binder: 22275:22277 DecRefs 0 refcount change on invalid ref 3 ret -22
binder: 22277 RLIMIT_NICE not set
binder: 22275:22286 DecRefs 0 refcount change on invalid ref 3 ret -22
binder: BINDER_SET_CONTEXT_MGR already set
binder: 22286 RLIMIT_NICE not set
binder: 22275:22277 ioctl 40046207 0 returned -16
binder_alloc: 22275: binder_alloc_buf, no vma
binder: 22275:22301 transaction failed 29189/-3, size 0-0 line 2890
binder: undelivered TRANSACTION_ERROR: 29189
binder: undelivered TRANSACTION_COMPLETE
QAT: Invalid ioctl
QAT: Invalid ioctl
nla_parse: 6 callbacks suppressed
netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'.
QAT: Invalid ioctl
netlink: 8 bytes leftover after parsing attributes in process `syz-executor0'.
QAT: Invalid ioctl
futex_wake_op: syz-executor1 tries to shift op by -1; fix this program
futex_wake_op: syz-executor1 tries to shift op by -1; fix this program
device lo left promiscuous mode
futex_wake_op: syz-executor5 tries to shift op by -1; fix this program
netlink: 16 bytes leftover after parsing attributes in process `syz-executor3'.
futex_wake_op: syz-executor5 tries to shift op by -1; fix this program
netlink: 16 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 'syz-executor5': attribute type 27 has an invalid length.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor0'.
netlink: 'syz-executor5': attribute type 27 has an invalid length.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor0'.
audit: type=1400 audit(1513178255.224:1894): avc: denied { bind } for pid=22769 comm="syz-executor0" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_connector_socket permissive=1
device gre0 entered promiscuous mode
audit: type=1326 audit(1513178255.535:1895): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=22819 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000
audit: type=1326 audit(1513178255.664:1896): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=22819 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000
netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'.
netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor3'.
binder: 23065:23068 BC_DEAD_BINDER_DONE 0000000000000000 not found
binder: 23065:23068 BC_DEAD_BINDER_DONE 0000000000000000 not found
device syz6 entered promiscuous mode
device syz6 left promiscuous mode
device syz6 entered promiscuous mode
kvm [23235]: vcpu2, guest rIP: 0xfff0 kvm_set_msr_common: MSR_IA32_DEBUGCTLMSR 0x2, nop
netlink: 'syz-executor5': attribute type 11 has an invalid length.
netlink: 'syz-executor5': attribute type 11 has an invalid length.
dccp_v4_rcv: dropped packet with invalid checksum
dccp_v4_rcv: dropped packet with invalid checksum
nla_parse: 4 callbacks suppressed
netlink: 4 bytes leftover after parsing attributes in process `syz-executor3'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor7'.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor7'.
device lo entered promiscuous mode
sock: process `syz-executor6' is using obsolete setsockopt SO_BSDCOMPAT
binder: 23432:23441 ioctl 40046205 4f returned -22
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=770 sclass=netlink_xfrm_socket pig=23439 comm=syz-executor6
device gre0 entered promiscuous mode
binder: 23432:23452 ioctl c0306201 20002fd0 returned -14
binder: 23432:23452 got reply transaction with no transaction stack
binder: 23432:23452 transaction failed 29201/-71, size 24-8 line 2690
binder: 23432:23452 ioctl 8004543b 20b06791 returned -22
binder: 23432:23452 ioctl 40046205 4f returned -22
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=770 sclass=netlink_xfrm_socket pig=23449 comm=syz-executor6
binder: 23432:23441 ioctl c0306201 20002fd0 returned -14
binder: 23432:23468 got reply transaction with no transaction stack
binder: 23432:23468 transaction failed 29201/-71, size 24-8 line 2690
binder: 23432:23441 ioctl 8004543b 20b06791 returned -22
binder: 23432:23492 BC_FREE_BUFFER u0000000000000000 no match
binder: 23432:23492 IncRefs 0 refcount change on invalid ref 1 ret -22
binder: 23432:23492 got transaction to invalid handle
binder: 23432:23492 transaction failed 29201/-22, size 72-8 line 2775
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=23500 comm=syz-executor1
binder: undelivered TRANSACTION_ERROR: 29201
netlink: 'syz-executor5': attribute type 1 has an invalid length.
netlink: 'syz-executor5': attribute type 1 has an invalid length.
IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready
netlink: 17 bytes leftover after parsing attributes in process `syz-executor4'.
netlink: 17 bytes leftover after parsing attributes in process `syz-executor4'.
tmpfs: Bad mount option ���3~~��QP�����x�_�`}F:�&#�&4߭ˈ&.)���6�?��.���%�:f�Z6fQ~;1�U�����D
tmpfs: Bad mount option ���3~~��QP�����x�_�`}F:�&#�&4߭ˈ&.)���6�?��.���%�:f�Z6fQ~;1�U�����D
audit: type=1400 audit(1513178259.891:1897): avc: denied { setattr } for pid=23659 comm="syz-executor7" name="NETLINK" dev="sockfs" ino=87071 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
binder: BINDER_SET_CONTEXT_MGR already set
binder: 23662:23664 ioctl 40046207 0 returned -16
binder: 23664 RLIMIT_NICE not set
binder: BINDER_SET_CONTEXT_MGR already set
binder: 23662:23664 ioctl 40046207 0 returned -16
binder: 23662:23664 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0
binder: 23662:23664 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0
binder: 23664 RLIMIT_NICE not set
netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'.
netlink: 'syz-executor4': attribute type 2 has an invalid length.
netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'.
audit: type=1326 audit(1513178260.448:1898): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=23715 comm="syz-executor2" exe="/root/syz-executor2" sig=9 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x0