====================================================== WARNING: possible circular locking dependency detected 4.15.0-rc3+ #222 Not tainted ------------------------------------------------------ syz-executor7/18276 is trying to acquire lock: (&ctx->mutex){+.+.}, at: [<000000002b7f386b>] perf_event_ctx_lock_nested+0x21b/0x450 kernel/events/core.c:1249 but task is already holding lock: (&pipe->mutex/1){+.+.}, at: [<00000000e39beb00>] pipe_lock_nested fs/pipe.c:67 [inline] (&pipe->mutex/1){+.+.}, at: [<00000000e39beb00>] pipe_lock+0x56/0x70 fs/pipe.c:75 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #7 (&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 -> #6 (sb_writers){.+.+}: spin_lock include/linux/spinlock.h:315 [inline] devtmpfsd+0x224/0x4b0 drivers/base/devtmpfs.c:392 kthread+0x37a/0x440 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:441 0xffffffffffffffff handle drivers/base/devtmpfs.c:375 [inline] devtmpfsd+0x262/0x4b0 drivers/base/devtmpfs.c:399 -> #5 ((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 -> #4 (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+0x6c1/0x754 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 -> #3 (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+0xa5/0x754 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 -> #2 (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 perf_swevent_init+0x3cb/0x560 kernel/events/core.c:7814 perf_try_init_event+0x180/0x1f0 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+0x84e/0x2e00 kernel/events/core.c:9939 SyS_perf_event_open+0x39/0x50 kernel/events/core.c:9825 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #1 (&ctx->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 perf_event_ctx_lock_nested+0x21b/0x450 kernel/events/core.c:1249 perf_try_init_event+0x130/0x1f0 kernel/events/core.c:9176 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:10799 [inline] inherit_task_group.isra.94.part.95+0x103/0x240 kernel/events/core.c:10847 inherit_task_group kernel/events/core.c:10827 [inline] perf_event_init_context kernel/events/core.c:10914 [inline] perf_event_init_task+0x52d/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-executor7/18276: #0: (&pipe->mutex/1){+.+.}, at: [<00000000e39beb00>] pipe_lock_nested fs/pipe.c:67 [inline] #0: (&pipe->mutex/1){+.+.}, at: [<00000000e39beb00>] pipe_lock+0x56/0x70 fs/pipe.c:75 stack backtrace: CPU: 0 PID: 18276 Comm: syz-executor7 Not tainted 4.15.0-rc3+ #222 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:00007fbfd9d41c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39 RDX: 0000000000000017 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 000000000000039b R08: 00000000000000b9 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f3728 R13: 00000000ffffffff R14: 00007fbfd9d426d4 R15: 0000000000000000 device gre0 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl sock: process `syz-executor7' is using obsolete getsockopt SO_BSDCOMPAT binder: 18335:18339 got reply transaction with no transaction stack binder: 18335:18339 transaction failed 29201/-71, size 32-8 line 2690 binder: 18335:18339 ioctl 404c534a 2000b000 returned -22 binder: 18335:18339 BC_DEAD_BINDER_DONE 0000000000000002 not found binder: 18339 RLIMIT_NICE not set binder: 18339 RLIMIT_NICE not set binder: send failed reply for transaction 179 to 18335:18350 binder: 18335:18339 ioctl c0306201 2000a000 returned -14 binder: 18335:18350 got reply transaction with no transaction stack binder: 18335:18350 transaction failed 29201/-71, size 24-72 line 2690 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 binder: 18335:18350 got reply transaction with no transaction stack binder: 18335:18350 transaction failed 29201/-71, size 32-8 line 2690 binder: BINDER_SET_CONTEXT_MGR already set binder: 18335:18362 ioctl 40046207 0 returned -16 binder: 18335:18350 ioctl 404c534a 2000b000 returned -22 binder: 18335:18362 BC_DEAD_BINDER_DONE 0000000000000002 not found binder: 18362 RLIMIT_NICE not set binder_alloc: 18335: binder_alloc_buf, no vma binder: 18335:18350 transaction failed 29189/-3, size 0-0 line 2890 binder: release 18335:18339 transaction 180 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 180, target dead binder: 18335:18339 got reply transaction with no transaction stack binder: 18335:18339 transaction failed 29201/-71, size 24-72 line 2690 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29189 lo: Invalid MTU -3 requested, hw min 0 lo: Invalid MTU -3 requested, hw min 0 device lo entered promiscuous mode netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. 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 lo: Invalid MTU -1075701634 requested, hw min 0 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl lo: Invalid MTU -1075701634 requested, hw min 0 QAT: Invalid ioctl QAT: Invalid ioctl netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor5'. syz-executor7 (18648): attempted to duplicate a private mapping with mremap. This is not supported. netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor5'. device gre0 entered promiscuous mode sctp: [Deprecated]: syz-executor7 (pid 18705) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead device gre0 entered promiscuous mode rfkill: input handler disabled rfkill: input handler enabled kauditd_printk_skb: 71 callbacks suppressed audit: type=1400 audit(1513379137.012:2078): avc: denied { map } for pid=18870 comm="syz-executor3" path="/dev/kvm" dev="devtmpfs" ino=104 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:kvm_device_t:s0 tclass=chr_file permissive=1 device gre0 entered promiscuous mode audit: type=1400 audit(1513379137.394:2079): avc: denied { dyntransition } for pid=18960 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0,c1 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0,c1 tclass=process permissive=1 audit: type=1400 audit(1513379137.459:2080): avc: denied { dyntransition } for pid=18960 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=process permissive=1 RDS: rds_bind could not find a transport for 172.20.1.170, load rds_tcp or rds_rdma? netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. audit: type=1400 audit(1513379137.685:2081): avc: denied { prog_load } for pid=19039 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 binder: 19098:19101 ioctl c0306201 20000fd0 returned -14 binder: BINDER_SET_CONTEXT_MGR already set binder: 19098:19101 ioctl 40046207 0 returned -16 binder: 19098:19101 ioctl 40046205 101 returned -22 binder: BC_ATTEMPT_ACQUIRE not supported binder: 19098:19101 ioctl c0306201 20002fd0 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 19098:19101 ioctl 40046207 0 returned -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 19098:19107 ioctl 40046207 0 returned -16 binder: 19098:19107 ioctl 40046205 101 returned -22 binder: BC_ATTEMPT_ACQUIRE not supported binder: 19098:19101 ioctl c0306201 20002fd0 returned -22 audit: type=1326 audit(1513379138.358:2082): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=19131 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1513379138.358:2083): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=19131 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1513379138.359:2084): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=19131 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=297 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1513379138.359:2085): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=19131 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1513379138.359:2086): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=19131 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1513379138.359:2087): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=19131 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=41 compat=0 ip=0x452a39 code=0x7ffc0000 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl device gre0 entered promiscuous mode binder: 19295:19297 got reply transaction with bad transaction stack, transaction 187 has target 19295:0 binder: 19295:19297 transaction failed 29201/-71, size 0-0 line 2705 binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: 19295: binder_alloc_buf, no vma binder: 19295:19297 ioctl 40046207 0 returned -16 binder: 19295:19312 transaction failed 29189/-3, size 0-0 line 2890 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 19295:19297 transaction 187 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: 19343:19346 transaction failed 29189/-22, size 64-16 line 2775 binder_alloc: binder_alloc_mmap_handler: 19343 20000000-20002000 already mapped failed -16 binder: send failed reply for transaction 187, target dead binder: undelivered TRANSACTION_ERROR: 29189 QAT: Invalid ioctl QAT: Invalid ioctl RDS: rds_bind could not find a transport for 224.0.0.2, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 224.0.0.2, load rds_tcp or rds_rdma? sctp: [Deprecated]: syz-executor3 (pid 19514) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor3 (pid 19514) Use of int in maxseg socket option. Use struct sctp_assoc_value instead nla_parse: 8 callbacks suppressed netlink: 39 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 109 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 39 bytes leftover after parsing attributes in process `syz-executor2'. dccp_invalid_packet: P.CsCov 5 exceeds packet length 552 binder: 19669:19676 ioctl 40046205 0 returned -22 binder: 19669:19676 ERROR: BC_REGISTER_LOOPER called without request binder: 19676 RLIMIT_NICE not set dccp_invalid_packet: P.CsCov 5 exceeds packet length 552 binder: 19676 RLIMIT_NICE not set binder: 19669:19676 unknown command 1400526783 binder: 19669:19676 ioctl c0306201 20002fd0 returned -22 binder: 19676 RLIMIT_NICE not set binder: 19669:19676 BC_INCREFS_DONE u0000000000000000 node 191 cookie mismatch 0000000000000002 != 0000000000000000 binder: 19669:19676 BC_CLEAR_DEATH_NOTIFICATION death notification not active binder: 19669:19676 BC_REQUEST_DEATH_NOTIFICATION invalid ref 3 binder: 19669:19676 got reply transaction with no transaction stack binder: 19669:19676 transaction failed 29201/-71, size 32-16 line 2690 binder: 19669:19676 ioctl c0306201 20005fd0 returned -14 binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 193, process died. binder: 19669:19690 ioctl 40046205 0 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 19669:19690 ioctl 40046207 0 returned -16 binder: 19669:19706 ERROR: BC_REGISTER_LOOPER called without request binder: 19706 RLIMIT_NICE not set binder_alloc: 19669: binder_alloc_buf, no vma binder: 19669:19690 transaction failed 29189/-3, size 0-0 line 2890 binder: 19669:19690 got reply transaction with no transaction stack binder: 19669:19690 transaction failed 29201/-71, size 24-8 line 2690 binder: 19669:19706 unknown command 0 binder: 19669:19706 ioctl c0306201 20005fd0 returned -22 netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. device gre0 entered promiscuous mode binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: unexpected work type, 4, not freed binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered transaction 197, process died. binder: undelivered TRANSACTION_ERROR: 29201 netlink: 2 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor1'. QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl tc_ctl_action: received NO action attribs tc_ctl_action: received NO action attribs kvm: vcpu 0: requested 68374 ns lapic timer period limited to 500000 ns kvm: vcpu 0: requested 68374 ns lapic timer period limited to 500000 ns binder: 19885:19886 got reply transaction with no transaction stack binder: 19885:19886 transaction failed 29201/-71, size 0-1936206469 line 2690 binder: 19885:19886 BC_INCREFS_DONE u0000000000000000 node 204 cookie mismatch 0000000000000003 != 0000000000000000 binder: 19885:19886 got transaction to invalid handle binder: 19885:19886 transaction failed 29201/-22, size 0-8 line 2775 binder: 19885:19886 BC_CLEAR_DEATH_NOTIFICATION invalid ref 2 binder: 19885:19886 BC_FREE_BUFFER u0000000020000000 matched unreturned buffer binder: 19885:19886 got transaction with fd, -1, but target does not allow fds binder: 19885:19886 transaction failed 29201/-1, size 48-32 line 2995 binder: 19885:19886 got reply transaction with no transaction stack binder: BINDER_SET_CONTEXT_MGR already set binder: 19885:19907 ioctl 40046207 0 returned -16 binder: 19885:19929 BC_INCREFS_DONE u0000000000000000 no match binder: 19885:19929 got transaction to invalid handle binder: 19885:19929 transaction failed 29201/-22, size 0-8 line 2775 binder_alloc: 19885: binder_alloc_buf, no vma binder: 19885:19929 transaction failed 29189/-3, size 0-0 line 2890 binder: 19885:19932 BC_CLEAR_DEATH_NOTIFICATION invalid ref 2 binder: 19885:19932 BC_FREE_BUFFER u0000000020000000 no match binder_alloc: 19885: binder_alloc_buf, no vma binder: 19885:19932 transaction failed 29189/-3, size 48-32 line 2890 binder: 19885:19886 transaction failed 29201/-71, size 0-1936206469 line 2690 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered transaction 206, process died. kauditd_printk_skb: 78 callbacks suppressed audit: type=1400 audit(1513379142.187:2166): avc: denied { map } for pid=19957 comm="syz-executor5" path="socket:[66734]" dev="sockfs" ino=66734 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 audit: type=1400 audit(1513379142.188:2167): avc: denied { read } for pid=19957 comm="syz-executor5" path="socket:[66734]" dev="sockfs" ino=66734 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 audit: type=1400 audit(1513379142.281:2168): avc: denied { setattr } for pid=19987 comm="syz-executor0" name="attr" dev="proc" ino=66740 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=dir permissive=1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=20071 comm=syz-executor7 device gre0 entered promiscuous mode QAT: Invalid ioctl device gre0 entered promiscuous mode QAT: Invalid ioctl