====================================================== WARNING: possible circular locking dependency detected 4.15.0-rc2+ #216 Not tainted QAT: Invalid ioctl ------------------------------------------------------ syz-executor1/10417 is trying to acquire lock: (&sb->s_type->i_mutex_key#10){++++}, at: [<0000000014386748>] inode_lock include/linux/fs.h:713 [inline] (&sb->s_type->i_mutex_key#10){++++}, at: [<0000000014386748>] generic_file_write_iter+0xdc/0x7a0 mm/filemap.c:3289 but task is already holding lock: (&pipe->mutex/1){+.+.}, at: [<000000000373a3ce>] pipe_lock_nested fs/pipe.c:67 [inline] (&pipe->mutex/1){+.+.}, at: [<000000000373a3ce>] pipe_lock fs/pipe.c:75 [inline] (&pipe->mutex/1){+.+.}, at: [<000000000373a3ce>] pipe_wait+0x1e6/0x280 fs/pipe.c:123 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #6 (&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 -> #5 (sb_writers){.+.+}: spin_lock include/linux/spinlock.h:315 [inline] lockref_get_not_dead+0x19/0x80 lib/lockref.c:180 legitimize_path.isra.31+0x7d/0x1a0 fs/namei.c:640 unlazy_walk+0xf2/0x4b0 fs/namei.c:692 complete_walk+0xb2/0x1f0 fs/namei.c:805 path_parentat+0x75/0x140 fs/namei.c:2359 -> #4 ((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 -> #3 (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:690 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 (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 -> #1 (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 get_online_cpus include/linux/cpu.h:117 [inline] lru_add_drain_all+0xe/0x20 mm/swap.c:729 shmem_wait_for_pins mm/shmem.c:2672 [inline] shmem_add_seals+0x3df/0x1060 mm/shmem.c:2780 shmem_fcntl+0xfe/0x130 mm/shmem.c:2815 do_fcntl+0x73e/0x1160 fs/fcntl.c:421 SYSC_fcntl fs/fcntl.c:463 [inline] SyS_fcntl+0xdc/0x120 fs/fcntl.c:448 entry_SYSCALL_64_fastpath+0x1f/0x96 -> #0 (&sb->s_type->i_mutex_key#10){++++}: 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 down_write+0x87/0x120 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:713 [inline] generic_file_write_iter+0xdc/0x7a0 mm/filemap.c:3289 call_write_iter include/linux/fs.h:1772 [inline] do_iter_readv_writev+0x531/0x7f0 fs/read_write.c:653 do_iter_write+0x15a/0x540 fs/read_write.c:932 vfs_iter_write+0x77/0xb0 fs/read_write.c:945 iter_file_splice_write+0x7db/0xf30 fs/splice.c:749 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 other info that might help us debug this: Chain exists of: &sb->s_type->i_mutex_key#10 --> sb_writers --> &pipe->mutex/1 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&pipe->mutex/1); lock(sb_writers); lock(&pipe->mutex/1); lock(&sb->s_type->i_mutex_key#10); *** DEADLOCK *** 2 locks held by syz-executor1/10417: #0: (sb_writers#6){.+.+}, at: [<00000000a082315e>] file_start_write include/linux/fs.h:2715 [inline] #0: (sb_writers#6){.+.+}, at: [<00000000a082315e>] do_splice fs/splice.c:1146 [inline] #0: (sb_writers#6){.+.+}, at: [<00000000a082315e>] SYSC_splice fs/splice.c:1402 [inline] #0: (sb_writers#6){.+.+}, at: [<00000000a082315e>] SyS_splice+0x1117/0x1630 fs/splice.c:1382 #1: (&pipe->mutex/1){+.+.}, at: [<000000000373a3ce>] pipe_lock_nested fs/pipe.c:67 [inline] #1: (&pipe->mutex/1){+.+.}, at: [<000000000373a3ce>] pipe_lock fs/pipe.c:75 [inline] #1: (&pipe->mutex/1){+.+.}, at: [<000000000373a3ce>] pipe_wait+0x1e6/0x280 fs/pipe.c:123 stack backtrace: CPU: 1 PID: 10417 Comm: syz-executor1 Not tainted 4.15.0-rc2+ #216 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 down_write+0x87/0x120 kernel/locking/rwsem.c:70 inode_lock include/linux/fs.h:713 [inline] generic_file_write_iter+0xdc/0x7a0 mm/filemap.c:3289 call_write_iter include/linux/fs.h:1772 [inline] do_iter_readv_writev+0x531/0x7f0 fs/read_write.c:653 do_iter_write+0x15a/0x540 fs/read_write.c:932 vfs_iter_write+0x77/0xb0 fs/read_write.c:945 iter_file_splice_write+0x7db/0xf30 fs/splice.c:749 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 RIP: 0033:0x452a39 RSP: 002b:00007f5d67426c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 00007f5d67427700 RCX: 0000000000452a39 RDX: 0000000000000013 RSI: 0000000000000000 RDI: 0000000000000014 RBP: 0000000000000000 R08: 0000000000000006 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a6f7ff R14: 00007f5d674279c0 R15: 0000000000000000 QAT: Invalid ioctl device lo entered promiscuous mode device gre0 entered promiscuous mode device gre0 entered promiscuous mode audit: type=1400 audit(1512944923.611:572): avc: denied { map_create } for pid=10531 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 audit: type=1400 audit(1512944923.634:573): avc: denied { map_read map_write } for pid=10531 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 sg_write: data in/out 80251882/40 bytes for SCSI command 0xc0-- guessing data in; program syz-executor5 not setting count and/or reply_len properly sg_write: data in/out 80251882/40 bytes for SCSI command 0xc0-- guessing data in; program syz-executor5 not setting count and/or reply_len properly device gre0 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl device gre0 entered promiscuous mode skbuff: bad partial csum: csum=129/4096 len=3712 device gre0 entered promiscuous mode audit: type=1400 audit(1512944924.479:574): avc: denied { bind } for pid=10756 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=netlink_generic_socket permissive=1 netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. kvm [10783]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008f data 0x0 kvm [10783]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008e data 0x0 kvm [10783]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008d data 0x0 kvm [10783]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008c data 0x0 kvm [10783]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008b data 0x0 kvm [10783]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008a data 0x0 kvm [10783]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000089 data 0x0 kvm [10783]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008f data 0x0 kvm [10783]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008e data 0x0 kvm [10783]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008d data 0x0 kvm [10783]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000020 data 0x0 binder: 10886:10896 BC_FREE_BUFFER u0000000000000000 no match binder: 10886:10914 BC_FREE_BUFFER u0000000000000000 no match device gre0 entered promiscuous mode audit: type=1400 audit(1512944925.247:575): avc: denied { map } for pid=10942 comm="syz-executor4" path="socket:[38364]" dev="sockfs" ino=38364 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_tcpdiag_socket permissive=1 nla_parse: 5 callbacks suppressed netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. device ip6tnl0 entered promiscuous mode netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. print_req_error: I/O error, dev loop3, sector 0 Buffer I/O error on dev loop3, logical block 0, lost async page write print_req_error: I/O error, dev loop3, sector 8 Buffer I/O error on dev loop3, logical block 1, lost async page write print_req_error: I/O error, dev loop3, sector 16 Buffer I/O error on dev loop3, logical block 2, lost async page write print_req_error: I/O error, dev loop3, sector 24 Buffer I/O error on dev loop3, logical block 3, lost async page write print_req_error: I/O error, dev loop3, sector 32 Buffer I/O error on dev loop3, logical block 4, lost async page write print_req_error: I/O error, dev loop3, sector 40 Buffer I/O error on dev loop3, logical block 5, lost async page write print_req_error: I/O error, dev loop3, sector 48 Buffer I/O error on dev loop3, logical block 6, lost async page write print_req_error: I/O error, dev loop3, sector 56 Buffer I/O error on dev loop3, logical block 7, lost async page write print_req_error: I/O error, dev loop3, sector 64 Buffer I/O error on dev loop3, logical block 8, lost async page write print_req_error: I/O error, dev loop3, sector 72 Buffer I/O error on dev loop3, logical block 9, lost async page write audit: type=1326 audit(1512944925.364:576): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10918 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x0 audit: type=1326 audit(1512944925.376:577): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10918 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x0 audit: type=1326 audit(1512944925.377:578): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10918 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=c000003e syscall=231 compat=0 ip=0x452a39 code=0x0 audit: type=1326 audit(1512944925.845:579): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=11029 comm="syz-executor4" exe="/root/syz-executor4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000 binder: 11027:11045 ioctl 40046205 6 returned -22 audit: type=1326 audit(1512944926.000:580): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=11029 comm="syz-executor4" exe="/root/syz-executor4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000 binder: 11069:11072 got reply transaction with no transaction stack binder: 11069:11072 transaction failed 29201/-71, size 0-8 line 2690 binder: 11069:11072 BC_DEAD_BINDER_DONE 0000000000000002 not found binder: 11072 RLIMIT_NICE not set binder: 11069:11079 got new transaction with bad transaction stack, transaction 93 has target 11069:0 binder: 11069:11079 transaction failed 29201/-71, size 0-0 line 2802 binder: 11069:11108 got reply transaction with no transaction stack binder: 11069:11108 transaction failed 29201/-71, size 56-24 line 2690 binder: 11069:11119 got reply transaction with no transaction stack binder: 11069:11119 transaction failed 29201/-71, size 0-8 line 2690 binder: BINDER_SET_CONTEXT_MGR already set binder: 11069:11119 ioctl 40046207 0 returned -16 binder: 11069:11119 BC_DEAD_BINDER_DONE 0000000000000002 not found binder: 11119 RLIMIT_NICE not set binder_alloc: 11069: binder_alloc_buf, no vma binder: 11069:11108 transaction failed 29189/-3, size 0-0 line 2890 binder_alloc: 11069: binder_alloc_buf, no vma binder: 11069:11131 transaction failed 29189/-3, size 0-0 line 2890 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 11069:11079 transaction 93 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 93, target dead netlink: 6 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor6'. audit: type=1400 audit(1512944926.859:581): avc: denied { setopt } for pid=11240 comm="syz-executor1" 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 audit: type=1400 audit(1512944926.892:582): avc: denied { ioctl } for pid=11240 comm="syz-executor1" path="socket:[38986]" dev="sockfs" ino=38986 ioctlcmd=0x89a1 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 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 11262 Comm: syz-executor3 Not tainted 4.15.0-rc2+ #216 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 handle_userfault+0x12fa/0x24c0 fs/userfaultfd.c:427 do_anonymous_page mm/memory.c:3121 [inline] handle_pte_fault mm/memory.c:3934 [inline] __handle_mm_fault+0x353a/0x3e20 mm/memory.c:4060 handle_mm_fault+0x334/0x8d0 mm/memory.c:4097 __do_page_fault+0x5c9/0xc90 arch/x86/mm/fault.c:1429 do_page_fault+0xee/0x720 arch/x86/mm/fault.c:1504 page_fault+0x22/0x30 arch/x86/entry/entry_64.S:1094 RIP: 0010:fault_in_pages_readable include/linux/pagemap.h:601 [inline] RIP: 0010:iov_iter_fault_in_readable+0x1a7/0x410 lib/iov_iter.c:421 RSP: 0018:ffff8801d371f928 EFLAGS: 00010246 RAX: 0000000000010000 RBX: 0000000020011fd2 RCX: ffffffff8250b3a1 RDX: 00000000000000ff RSI: ffffc900018a2000 RDI: ffff8801d371fd28 RBP: ffff8801d371fa08 R08: ffff8801c2191378 R09: 1ffff1003a6e3edf R10: ffff880190286580 R11: 0000000000000000 R12: 1ffff1003a6e3f28 R13: ffff8801d371f9e0 R14: 0000000000000000 R15: ffff8801d371fd20 generic_perform_write+0x200/0x600 mm/filemap.c:3129 __generic_file_write_iter+0x366/0x5b0 mm/filemap.c:3264 generic_file_write_iter+0x399/0x7a0 mm/filemap.c:3292 call_write_iter include/linux/fs.h:1772 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x68a/0x970 fs/read_write.c:482 vfs_write+0x18f/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xef/0x220 fs/read_write.c:581 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007f27a2495c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000758048 RCX: 0000000000452a39 RDX: 000000000000001c RSI: 0000000020011fd2 RDI: 0000000000000014 RBP: 0000000000758048 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a6f7ff R14: 00007f27a24969c0 R15: 0000000000000000 netlink: 'syz-executor3': attribute type 15 has an invalid length. binder: 11572:11575 ioctl 40286608 5 returned -22 binder: 11572:11575 ioctl 40046205 3 returned -22 binder: 11572:11575 ioctl 40046205 7 returned -22 binder: 11572:11575 ERROR: BC_REGISTER_LOOPER called without request binder: 11575 RLIMIT_NICE not set binder: 11575 RLIMIT_NICE not set binder: 11575 RLIMIT_NICE not set binder: 11572:11579 ioctl 40046205 1000 returned -22 binder: 11572:11579 BC_INCREFS_DONE node 99 has no pending increfs request binder: 11572:11579 ioctl 40286608 5 returned -22 binder: 11572:11609 ioctl 40046205 3 returned -22 binder: 11572:11609 ioctl 40046205 7 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 11572:11614 ioctl 40046207 0 returned -16 binder_alloc: 11572: binder_alloc_buf, no vma binder: 11572:11609 transaction failed 29189/-3, size 0-0 line 2890 binder: 11572:11614 got reply transaction with no transaction stack binder: 11572:11614 transaction failed 29201/-71, size 32-8 line 2690 binder: 11572:11614 ioctl 40046205 1000 returned -22 binder: 11572:11626 DecRefs 0 refcount change on invalid ref 1 ret -22 binder: 11572:11626 BC_INCREFS_DONE u0000000000000000 no match binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_COMPLETE binder: 11645:11648 ioctl 40286608 5 returned -22 binder: 11645:11648 ioctl 40046205 3 returned -22 binder: 11645:11648 ioctl 40046205 7 returned -22 binder: 11645:11648 ERROR: BC_REGISTER_LOOPER called without request binder: 11648 RLIMIT_NICE not set binder: 11648 RLIMIT_NICE not set binder: 11648 RLIMIT_NICE not set audit: type=1400 audit(1512944929.037:583): avc: denied { map } for pid=11660 comm="syz-executor7" path="/dev/hwrng" dev="devtmpfs" ino=8766 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:random_device_t:s0 tclass=chr_file permissive=1 binder: 11645:11657 ioctl 40046205 1000 returned -22 binder: 11645:11657 BC_INCREFS_DONE node 106 has no pending increfs request binder: 11645:11657 ioctl 40286608 5 returned -22 binder: 11645:11678 ioctl 40046205 3 returned -22 binder: 11645:11657 ioctl 40046205 7 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 11645:11657 ioctl 40046207 0 returned -16 binder_alloc: 11645: binder_alloc_buf, no vma binder: 11645:11657 transaction failed 29189/-3, size 0-0 line 2890 binder: 11645:11678 got reply transaction with no transaction stack binder: 11645:11678 transaction failed 29201/-71, size 32-8 line 2690 binder: 11645:11678 ioctl 40046205 1000 returned -22 binder: 11645:11691 DecRefs 0 refcount change on invalid ref 1 ret -22 binder: 11645:11691 BC_INCREFS_DONE u0000000000000000 no match binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_COMPLETE sctp: [Deprecated]: syz-executor5 (pid 11744) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device gre0 entered promiscuous mode binder: 11748:11751 ERROR: BC_REGISTER_LOOPER called without request binder: 11751 RLIMIT_NICE not set sctp: [Deprecated]: syz-executor5 (pid 11744) Use of int in maxseg socket option. Use struct sctp_assoc_value instead binder: 11751 RLIMIT_NICE not set binder: 11751 RLIMIT_NICE not set binder: 11748:11751 ioctl c0306201 2000dfd0 returned -14 device gre0 left promiscuous mode device gre0 entered promiscuous mode binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 115, process died. binder: 11748:11751 ERROR: BC_REGISTER_LOOPER called without request binder: 11751 RLIMIT_NICE not set binder: 11748:11751 got reply transaction with no transaction stack binder: 11748:11751 transaction failed 29201/-71, size 32-8 line 2690 binder: 11748:11751 ioctl c0306201 2000dfd0 returned -14 binder: release 11748:11759 transaction 119 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 119, target dead audit: type=1400 audit(1512944929.135:584): avc: denied { bind } for pid=11685 comm="syz-executor2" 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 binder: 11956 RLIMIT_NICE not set binder: 11956 RLIMIT_NICE not set binder: 11954:11956 BC_REQUEST_DEATH_NOTIFICATION invalid ref 4 binder: 11954:11956 BC_ACQUIRE_DONE node 121 has no pending acquire request binder: 11954:11956 BC_INCREFS_DONE u0000000020000000 no match binder: 11954:11960 got new transaction with bad transaction stack, transaction 122 has target 11954:11956 binder: 11954:11960 transaction failed 29201/-71, size 0-0 line 2802 binder: 11962:11965 got reply transaction with no transaction stack binder: 11962:11965 transaction failed 29201/-71, size 64-24 line 2690 binder: BINDER_SET_CONTEXT_MGR already set binder: 11954:11981 ioctl 40046207 0 returned -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 11962:11965 ioctl 40046207 0 returned -16 binder_alloc: 11954: binder_alloc_buf, no vma binder: 11954:11981 transaction failed 29189/-3, size 0-0 line 2890 binder: 11954:11960 BC_FREE_BUFFER u0000000020000000 no match binder_alloc: 11954: binder_alloc_buf, no vma binder: 11954:11960 transaction failed 29189/-3, size 0-0 line 2890 binder: 11954:11981 got reply transaction with no transaction stack binder: 11954:11981 transaction failed 29201/-71, size 48-8 line 2690 binder: 11962:11965 got reply transaction with no transaction stack binder: 11962:11965 transaction failed 29201/-71, size 64-24 line 2690 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 binder: 11956 RLIMIT_NICE not set binder_alloc: 11954: binder_alloc_buf, no vma binder: 11954:11956 transaction failed 29189/-3, size 24-16 line 2890 binder: send failed reply for transaction 122 to 11954:11960 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 nla_parse: 17 callbacks suppressed netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. kauditd_printk_skb: 87 callbacks suppressed audit: type=1400 audit(1512944931.046:672): avc: denied { map } for pid=12092 comm="syz-executor3" path="/dev/input/mice" dev="devtmpfs" ino=1209 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:mouse_device_t:s0 tclass=chr_file permissive=1 netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=770 sclass=netlink_route_socket pig=12162 comm=syz-executor2 binder: 12189:12193 ioctl 40046205 3ffffffd returned -22 binder: 12189:12193 ERROR: BC_REGISTER_LOOPER called without request binder: 12193 RLIMIT_NICE not set binder: 12189:12209 ioctl c0306201 20007000 returned -14 binder: 12189:12209 unknown command 1400526783 binder: 12189:12209 ioctl c0306201 20002fd0 returned -22 binder: 12189:12209 got reply transaction with no transaction stack binder: 12189:12209 transaction failed 29201/-71, size 24-8 line 2690 binder: 12189:12209 ioctl c018620b 20000fe8 returned -14 binder: 12189:12209 ioctl c0306201 20005fd0 returned -14 binder: undelivered TRANSACTION_ERROR: 29201 binder: 12189:12209 ioctl 40046205 6 returned -22 binder: 12189:12219 ioctl 40046205 3ffffffd returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 12189:12209 ioctl 40046207 0 returned -16 binder: 12189:12219 ERROR: BC_REGISTER_LOOPER called without request binder: 12219 RLIMIT_NICE not set binder: 12189:12209 got transaction to invalid handle binder: 12189:12209 transaction failed 29201/-22, size 0-0 line 2775 binder: 12189:12209 unknown command 1400526783 binder: 12189:12209 ioctl c0306201 20002fd0 returned -22 binder: 12189:12224 ioctl c018620b 20000fe8 returned -14 binder: 12189:12209 BC_FREE_BUFFER uffffffffffffffff no match binder: 12189:12209 IncRefs 0 refcount change on invalid ref 1 ret -22 binder: 12189:12209 got transaction to invalid handle binder: 12189:12209 transaction failed 29201/-22, size 72-8 line 2775 binder: 12189:12209 ioctl c0306201 20005fd0 returned -14 binder: undelivered TRANSACTION_ERROR: 29201 rfkill: input handler disabled device gre0 left promiscuous mode binder: undelivered TRANSACTION_ERROR: 29201 rfkill: input handler enabled netlink: 8 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor5'. binder_alloc: binder_alloc_mmap_handler: 12362 2023f000-2063f000 already mapped failed -16 audit: type=1400 audit(1512944932.080:673): avc: denied { map } for pid=12367 comm="syz-executor2" path="/dev/kvm" dev="devtmpfs" ino=8745 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 dccp_invalid_packet: P.Data Offset(172) too large dccp_invalid_packet: P.Data Offset(172) too large IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE IPv6: NLM_F_CREATE should be set when creating new route IPv6: NLM_F_CREATE should be set when creating new route binder_alloc: binder_alloc_mmap_handler: 12362 20004000-20005000 already mapped failed -16 IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE