====================================================== WARNING: possible circular locking dependency detected 4.15.0-rc2+ #214 Not tainted ------------------------------------------------------ syz-executor7/13852 is trying to acquire lock: (cpu_hotplug_lock.rw_sem){++++}, at: [<00000000d08787c9>] get_online_cpus include/linux/cpu.h:117 [inline] (cpu_hotplug_lock.rw_sem){++++}, at: [<00000000d08787c9>] lru_add_drain_all+0xe/0x20 mm/swap.c:729 but task is already holding lock: (&sb->s_type->i_mutex_key#10){++++}, at: [<00000000b456ed15>] inode_lock include/linux/fs.h:713 [inline] (&sb->s_type->i_mutex_key#10){++++}, at: [<00000000b456ed15>] shmem_add_seals+0x197/0x1060 mm/shmem.c:2768 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #6 (&sb->s_type->i_mutex_key#10){++++}: 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 -> #5 (&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 -> #4 (sb_writers){.+.+}: depot_save_stack+0x1c2/0x490 lib/stackdepot.c:252 save_stack+0xa3/0xd0 mm/kasan/kasan.c:453 set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:551 kmem_cache_alloc_trace+0x136/0x750 mm/slab.c:3613 kmalloc include/linux/slab.h:499 [inline] inotify_handle_event+0x233/0x480 fs/notify/inotify/inotify_fsnotify.c:101 -> #3 ((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 -> #2 (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 -> #1 (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 -> #0 (cpu_hotplug_lock.rw_sem){++++}: 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 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 other info that might help us debug this: Chain exists of: cpu_hotplug_lock.rw_sem --> &pipe->mutex/1 --> &sb->s_type->i_mutex_key#10 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&sb->s_type->i_mutex_key#10); lock(&pipe->mutex/1); lock(&sb->s_type->i_mutex_key#10); lock(cpu_hotplug_lock.rw_sem); *** DEADLOCK *** 1 lock held by syz-executor7/13852: #0: (&sb->s_type->i_mutex_key#10){++++}, at: [<00000000b456ed15>] inode_lock include/linux/fs.h:713 [inline] #0: (&sb->s_type->i_mutex_key#10){++++}, at: [<00000000b456ed15>] shmem_add_seals+0x197/0x1060 mm/shmem.c:2768 stack backtrace: CPU: 0 PID: 13852 Comm: syz-executor7 Not tainted 4.15.0-rc2+ #214 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 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 RIP: 0033:0x452a39 RSP: 002b:00007f330242fc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000048 RAX: ffffffffffffffda RBX: 00000000007580d8 RCX: 0000000000452a39 RDX: 000000000000000a RSI: 0000000000000409 RDI: 0000000000000018 RBP: 00000000000003f3 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f3f68 R13: 00000000ffffffff R14: 00007f33024306d4 R15: 0000000000000002 audit: type=1326 audit(1512859272.376:1078): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13952 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859272.377:1079): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13952 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859272.377:1080): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13952 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859272.377:1081): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13952 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=228 compat=0 ip=0x4557da code=0x7ffc0000 audit: type=1326 audit(1512859272.377:1082): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13952 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859272.377:1083): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13952 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=248 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859272.377:1084): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13952 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859272.377:1085): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13952 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859272.377:1086): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13952 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 device gre0 entered promiscuous mode device gre0 entered promiscuous mode kvm [13944]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008f data 0xe0050031 kvm [13944]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008e data 0xe0050031 kvm [13944]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008d data 0xe0050031 kvm [13944]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008c data 0xe0050031 kvm [13944]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000020 data 0xe0050031 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl nla_parse: 2 callbacks suppressed netlink: 2 bytes leftover after parsing attributes in process `syz-executor3'. TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. netlink: 2 bytes leftover after parsing attributes in process `syz-executor3'. device gre0 entered promiscuous mode TCP: request_sock_TCP: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. QAT: Invalid ioctl binder: 14127:14128 got transaction with invalid handle, 0 binder: 14127:14128 transaction failed 29201/-22, size 64-16 line 2982 netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. binder_alloc: binder_alloc_mmap_handler: 14127 20000000-20002000 already mapped failed -16 binder_alloc: 14127: binder_alloc_buf, no vma binder: 14127:14132 transaction failed 29189/-3, size 64-16 line 2890 binder: BINDER_SET_CONTEXT_MGR already set binder: 14127:14128 ioctl 40046207 0 returned -16 netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. binder: undelivered TRANSACTION_ERROR: 29201 netlink: 'syz-executor5': attribute type 3 has an invalid length. netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 'syz-executor5': attribute type 3 has an invalid length. netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. binder: undelivered TRANSACTION_ERROR: 29189 netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor0'. QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl loop: Write error at byte offset 0, length 512. print_req_error: I/O error, dev loop4, sector 0 Buffer I/O error on dev loop4, logical block 0, lost async page write device gre0 entered promiscuous mode QAT: Invalid ioctl loop: Write error at byte offset 0, length 512. print_req_error: I/O error, dev loop4, sector 0 Buffer I/O error on dev loop4, logical block 0, lost async page write sctp: [Deprecated]: syz-executor0 (pid 14471) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor0 (pid 14483) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead kauditd_printk_skb: 304 callbacks suppressed audit: type=1326 audit(1512859275.314:1391): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=14500 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 device gre0 entered promiscuous mode audit: type=1326 audit(1512859275.320:1392): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=14500 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=14560 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=14560 comm=syz-executor3 audit: type=1326 audit(1512859275.348:1393): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=14500 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=288 compat=0 ip=0x452a39 code=0x7ffc0000 loop: Write error at byte offset 0, length 512. print_req_error: I/O error, dev loop4, sector 0 Buffer I/O error on dev loop4, logical block 0, lost async page write loop: Write error at byte offset 0, length 512. print_req_error: I/O error, dev loop4, sector 0 Buffer I/O error on dev loop4, logical block 0, lost async page write audit: type=1326 audit(1512859275.348:1394): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=14500 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859275.349:1395): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=14500 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859275.354:1396): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=14500 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=54 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859275.354:1397): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=14500 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859275.354:1398): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=14500 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859275.367:1399): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=14500 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=173 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859275.368:1400): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=14500 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 9pnet_virtio: no channels available for device H netlink: 'syz-executor2': attribute type 16 has an invalid length. Bearer <> rejected, not supported in standalone mode 9pnet_virtio: no channels available for device netlink: 'syz-executor2': attribute type 16 has an invalid length. Bearer <> rejected, not supported in standalone mode Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable binder_alloc: binder_alloc_mmap_handler: 14779 2018d000-20190000 already mapped failed -16 QAT: Invalid ioctl binder: 14779:14783 got reply transaction with bad transaction stack, transaction 79 has target 14779:0 binder: 14779:14783 transaction failed 29201/-71, size 0-0 line 2705 QAT: Invalid ioctl IPv6: Can't replace route, no match found binder: release 14779:14783 transaction 79 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 79, target dead binder: release 14779:14799 transaction 82 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 82, target dead IPv6: Can't replace route, no match found Started in network mode Own node address <32.1716.2439>, network identity 4711 tmpfs: No value for mount option 'I' tmpfs: No value for mount option 'I' binder: 15073:15075 transaction failed 29189/-22, size 0-0 line 2775 binder: release 15082:15085 transaction 85 out, still active binder: undelivered TRANSACTION_COMPLETE binder: 15073:15075 transaction failed 29189/-22, size 0-0 line 2775 binder: BINDER_SET_CONTEXT_MGR already set binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 binder_alloc: 15082: binder_alloc_buf, no vma binder: 15082:15085 ioctl 40046207 0 returned -16 binder: 15082:15093 transaction failed 29189/-3, size 0-0 line 2890 binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 85, target dead netlink: 'syz-executor5': attribute type 29 has an invalid length. nla_parse: 28 callbacks suppressed netlink: 5 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 'syz-executor5': attribute type 29 has an invalid length. netlink: 5 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 'syz-executor7': attribute type 30 has an invalid length. netlink: 5 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 'syz-executor7': attribute type 30 has an invalid length. netlink: 5 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 9 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 9 bytes leftover after parsing attributes in process `syz-executor4'. rfkill: input handler disabled rfkill: input handler enabled sg_write: data in/out 156/14 bytes for SCSI command 0x85-- guessing data in; program syz-executor5 not setting count and/or reply_len properly SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=15328 comm=syz-executor0 netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. sg_write: data in/out 156/14 bytes for SCSI command 0x85-- guessing data in; program syz-executor5 not setting count and/or reply_len properly dccp_invalid_packet: pskb_may_pull failed netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. dccp_invalid_packet: pskb_may_pull failed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=256 sclass=netlink_route_socket pig=15492 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=256 sclass=netlink_route_socket pig=15492 comm=syz-executor4 device gre0 entered promiscuous mode device gre0 entered promiscuous mode kauditd_printk_skb: 320 callbacks suppressed audit: type=1326 audit(1512859280.423:1721): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15544 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859280.423:1722): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15544 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=53 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859280.426:1723): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15544 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859280.427:1724): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15544 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=85 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859280.428:1725): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15544 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859280.428:1726): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15544 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=16 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859280.429:1727): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15544 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859280.429:1728): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15544 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=55 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859280.430:1729): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15544 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512859280.432:1730): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15544 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=4 compat=0 ip=0x452a39 code=0x7ffc0000 binder_alloc: binder_alloc_mmap_handler: 15600 20005000-20009000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 15600:15602 ioctl 40046207 0 returned -16 binder: BINDER_SET_CONTEXT_MGR already set binder_alloc: binder_alloc_mmap_handler: 15600 20005000-20009000 already mapped failed -16 binder: 15600:15602 ioctl 40046207 0 returned -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 15600:15625 ioctl 40046207 0 returned -16 binder: release 15600:15612 transaction 89 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 89, target dead