====================================================== WARNING: possible circular locking dependency detected 4.15.0-rc2+ #215 Not tainted ------------------------------------------------------ syz-executor3/25874 is trying to acquire lock: (&sb->s_type->i_mutex_key#10){++++}, at: [<0000000009f80051>] inode_lock include/linux/fs.h:713 [inline] (&sb->s_type->i_mutex_key#10){++++}, at: [<0000000009f80051>] generic_file_write_iter+0xdc/0x7a0 mm/filemap.c:3289 but task is already holding lock: (&pipe->mutex/1){+.+.}, at: [<000000007cc2078d>] pipe_lock_nested fs/pipe.c:67 [inline] (&pipe->mutex/1){+.+.}, at: [<000000007cc2078d>] pipe_lock+0x56/0x70 fs/pipe.c:75 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){.+.+}: inode_lock_nested include/linux/fs.h:748 [inline] kern_path_locked+0x14c/0x350 fs/namei.c:2413 handle_remove+0xbe/0xb60 drivers/base/devtmpfs.c:306 handle drivers/base/devtmpfs.c:375 [inline] devtmpfsd+0x262/0x4b0 drivers/base/devtmpfs.c:399 kthread+0x37a/0x440 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:441 -> #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-executor3/25874: #0: (sb_writers#6){.+.+}, at: [<00000000eeb4676f>] file_start_write include/linux/fs.h:2715 [inline] #0: (sb_writers#6){.+.+}, at: [<00000000eeb4676f>] do_splice fs/splice.c:1146 [inline] #0: (sb_writers#6){.+.+}, at: [<00000000eeb4676f>] SYSC_splice fs/splice.c:1402 [inline] #0: (sb_writers#6){.+.+}, at: [<00000000eeb4676f>] SyS_splice+0x1117/0x1630 fs/splice.c:1382 #1: (&pipe->mutex/1){+.+.}, at: [<000000007cc2078d>] pipe_lock_nested fs/pipe.c:67 [inline] #1: (&pipe->mutex/1){+.+.}, at: [<000000007cc2078d>] pipe_lock+0x56/0x70 fs/pipe.c:75 stack backtrace: CPU: 1 PID: 25874 Comm: syz-executor3 Not tainted 4.15.0-rc2+ #215 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:00007f396288ec58 EFLAGS: 00000212 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 00000000007580d8 RCX: 0000000000452a39 RDX: 0000000000000013 RSI: 0000000000000000 RDI: 0000000000000014 RBP: 0000000000000048 R08: 0000000002000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006ee760 R13: 00000000ffffffff R14: 00007f396288f6d4 R15: 000000000000000b QAT: Invalid ioctl QAT: Invalid ioctl QAT: failed to copy from user cfg_data. QAT: Invalid ioctl QAT: Invalid ioctl QAT: failed to copy from user cfg_data. QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl rfkill: input handler disabled netlink: 'syz-executor2': attribute type 5 has an invalid length. netlink: 'syz-executor2': attribute type 5 has an invalid length. device gre0 entered promiscuous mode rfkill: input handler enabled binder: 26090:26091 unknown command 0 binder: 26090:26091 ioctl c0306201 2000a000 returned -22 binder: 26090:26091 Acquire 1 refcount change on invalid ref 1 ret -22 binder: 26090:26091 BC_DEAD_BINDER_DONE 0000000000000001 not found binder: 26090:26091 got transaction with invalid offset (1, min 0 max 24) or object. binder: 26090:26091 transaction failed 29201/-22, size 24-16 line 2953 binder: BINDER_SET_CONTEXT_MGR already set binder: 26090:26091 ioctl 40046207 0 returned -16 binder: 26090:26098 unknown command 0 binder: 26090:26098 ioctl c0306201 2000a000 returned -22 binder: 26090:26098 Acquire 1 refcount change on invalid ref 1 ret -22 binder: 26090:26098 BC_DEAD_BINDER_DONE 0000000000000001 not found binder_alloc: 26090: binder_alloc_buf, no vma binder: 26090:26098 transaction failed 29189/-3, size 24-16 line 2890 sctp: [Deprecated]: syz-executor0 (pid 26135) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor0 (pid 26135) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor0 (pid 26166) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor0 (pid 26166) Use of int in maxseg socket option. Use struct sctp_assoc_value instead TCP: lo: Driver has suspect GRO implementation, TCP performance may be compromised. netlink: 'syz-executor7': attribute type 29 has an invalid length. netlink: 'syz-executor7': attribute type 29 has an invalid length. device lo entered promiscuous mode loop_reread_partitions: partition scan of loop0 (-\t@r9hxGQ:[il L*@R-Tr-x) failed (rc=-13) lo: Invalid MTU -1075701634 requested, hw min 0 loop_reread_partitions: partition scan of loop0 (-\t@r9hxGQ:[il L*@R-Tr-x) failed (rc=-13) lo: Invalid MTU -1075701634 requested, hw min 0 dccp_invalid_packet: P.Data Offset(172) too large dccp_invalid_packet: P.Data Offset(172) too large IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready binder: 26592:26596 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 26592:26616 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 26592:26616 Acquire 1 refcount change on invalid ref 0 ret -22 binder: 26592:26596 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 26592:26616 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 26592:26616 Acquire 1 refcount change on invalid ref 0 ret -22 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable nla_parse: 22 callbacks suppressed netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl encrypted_key: master key parameter '0>tj;eI|‡}{o' is invalid Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. binder: 26689:26690 got reply transaction with no transaction stack binder: 26689:26690 transaction failed 29201/-71, size 2-1144397507205 line 2690 binder: 26689:26690 BC_INCREFS_DONE u0000000000000000 node 248 cookie mismatch 0000000000000003 != 0000000000000000 binder: 26689:26743 BC_CLEAR_DEATH_NOTIFICATION invalid ref 2 binder: 26689:26743 BC_FREE_BUFFER u0000000020000000 matched unreturned buffer binder: 26689:26743 got reply transaction with bad transaction stack, transaction 249 has target 26689:0 binder: 26689:26743 transaction failed 29201/-71, size 0-8 line 2705 binder: 26689:26690 unknown command 0 binder: 26689:26690 ioctl c0306201 20003000 returned -22 encrypted_key: master key parameter '0>tj;eI|‡}{o' is invalid binder: 26689:26690 got reply transaction with no transaction stack binder: BINDER_SET_CONTEXT_MGR already set binder: 26689:26743 ioctl 40046207 0 returned -16 binder: 26689:26757 BC_INCREFS_DONE u0000000000000000 no match binder: 26689:26757 got transaction to invalid handle binder: 26689:26757 transaction failed 29201/-22, size 40-16 line 2775 binder_alloc: 26689: binder_alloc_buf, no vma binder: 26689:26757 transaction failed 29189/-3, size 0-0 line 2890 binder: 26689:26690 transaction failed 29201/-71, size 2-1144397507205 line 2690 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 26689:26743 transaction 249 out, still active binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: send failed reply for transaction 249, target dead binder: 26772:26778 BC_FREE_BUFFER uffffffffffffffff no match binder: 26772:26778 BC_DEAD_BINDER_DONE 0000000000000000 not found binder: 26772:26786 Acquire 1 refcount change on invalid ref 3 ret -22 binder: 26772:26786 got reply transaction with no transaction stack binder: 26772:26786 transaction failed 29201/-71, size 80-0 line 2690 binder: 26772:26778 unknown command 0 binder: BINDER_SET_CONTEXT_MGR already set binder: 26772:26788 ioctl 40046207 0 returned -16 binder: 26772:26786 BC_FREE_BUFFER uffffffffffffffff no match binder: 26772:26786 BC_DEAD_BINDER_DONE 0000000000000000 not found binder: 26772:26786 BC_FREE_BUFFER uffffffffffffffff no match binder: 26772:26786 ERROR: BC_REGISTER_LOOPER called after BC_ENTER_LOOPER binder: 26786 RLIMIT_NICE not set binder: 26772:26778 ioctl c0306201 200a5fd0 returned -22 binder: undelivered TRANSACTION_ERROR: 29201 binder: 26818:26821 not enough space to store 1 fds in buffer binder: 26818:26821 transaction failed 29201/-22, size 72-32 line 3032 binder: BINDER_SET_CONTEXT_MGR already set binder: 26818:26825 ioctl 40046207 0 returned -16 binder_alloc: 26818: binder_alloc_buf, no vma binder: 26818:26821 transaction failed 29189/-3, size 72-32 line 2890 QAT: Invalid ioctl device gre0 entered promiscuous mode device gre0 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl netlink: 17 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 17 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. binder: 26909:26910 BC_INCREFS_DONE uffffffffffffffff no match binder: 26909:26910 ioctl c0306201 2078bfd0 returned -11 binder: 26909:26910 DecRefs 0 refcount change on invalid ref 2 ret -22 binder: 26909:26910 sending u0000000000000000 node 259, cookie mismatch 0000000000000003 != 0000000000000000 binder: 26909:26910 transaction failed 29201/-22, size 96-72 line 2969 binder: BINDER_SET_CONTEXT_MGR already set binder: 26909:26910 ioctl 40046207 0 returned -16 binder: 26909:26910 BC_INCREFS_DONE uffffffffffffffff no match binder: 26909:26910 ioctl c0306201 2078bfd0 returned -11 binder: 26909:26910 DecRefs 0 refcount change on invalid ref 2 ret -22 binder_alloc: 26909: binder_alloc_buf, no vma binder: 26909:26910 transaction failed 29189/-3, size 96-72 line 2890 IPv6: NLM_F_REPLACE set, but no existing node found! netlink: 8 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. IPv6: NLM_F_REPLACE set, but no existing node found! netlink: 8 bytes leftover after parsing attributes in process `syz-executor6'. device gre0 entered promiscuous mode kauditd_printk_skb: 52 callbacks suppressed audit: type=1326 audit(1512914854.250:3375): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=27021 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000 audit: type=1326 audit(1512914854.403:3376): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=27021 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000 : renamed from syz1 Empty option to dns_resolver key netlink: 5 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor7'. tc_dump_action: action bad kind tc_dump_action: action bad kind binder: 27148:27150 got reply transaction with no transaction stack binder: 27148:27150 transaction failed 29201/-71, size 32-8 line 2690 binder: 27148:27150 got reply transaction with no transaction stack binder: 27148:27150 transaction failed 29201/-71, size 32-8 line 2690 IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready binder: 27196:27199 got transaction with invalid handle, 0 binder: 27196:27199 transaction failed 29201/-22, size 64-16 line 2982 dccp_invalid_packet: P.Data Offset(108) too large binder_alloc: binder_alloc_mmap_handler: 27196 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 27196:27208 ioctl 40046207 0 returned -16 binder: undelivered TRANSACTION_ERROR: 29201 device gre0 entered promiscuous mode binder: 27353:27359 IncRefs 0 refcount change on invalid ref 3 ret -22 binder: 27353:27359 IncRefs 0 refcount change on invalid ref 4 ret -22 binder: 27359 RLIMIT_NICE not set binder: BINDER_SET_CONTEXT_MGR already set binder: 27353:27365 ioctl 40046207 0 returned -16 binder: 27353:27365 got transaction to invalid handle binder: 27353:27365 transaction failed 29201/-22, size 0-0 line 2775 binder: 27353:27359 DecRefs 0 refcount change on invalid ref 912 ret -22 audit: type=1326 audit(1512914855.713:3377): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=27329 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512914855.715:3378): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=27329 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512914855.715:3379): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=27329 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=292 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512914855.715:3380): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=27329 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512914855.716:3381): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=27329 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512914855.717:3382): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=27329 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=9 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512914855.719:3383): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=27329 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1512914855.720:3384): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=27329 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=298 compat=0 ip=0x452a39 code=0x7ffc0000 binder: BINDER_SET_CONTEXT_MGR already set binder: 27353:27383 ioctl 40046207 0 returned -16 binder: 27353:27359 unknown command 0 binder: 27353:27359 ioctl c0306201 20003000 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 27353:27384 ioctl 40046207 0 returned -16 binder: 27353:27359 IncRefs 0 refcount change on invalid ref 3 ret -22 binder: 27353:27359 IncRefs 0 refcount change on invalid ref 4 ret -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 27353:27383 ioctl 40046207 0 returned -16 binder: 27353:27359 got transaction to invalid handle binder: 27353:27359 transaction failed 29201/-22, size 0-0 line 2775 binder: BINDER_SET_CONTEXT_MGR already set binder: 27353:27384 ioctl 40046207 0 returned -16 binder: 27353:27359 DecRefs 0 refcount change on invalid ref 912 ret -22 binder: 27353:27359 unknown command 0 binder: 27353:27359 ioctl c0306201 20003000 returned -22 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl device syz2 entered promiscuous mode binder: 27420:27421 IncRefs 0 refcount change on invalid ref 2 ret -22 binder: 27420:27421 got reply transaction with no transaction stack binder: 27420:27421 transaction failed 29201/-71, size 48-56 line 2690 binder: 27420:27421 ERROR: BC_REGISTER_LOOPER called without request binder: 27420:27421 got transaction to invalid handle binder: 27420:27421 transaction failed 29201/-22, size 40-56 line 2775 binder: 27420:27421 IncRefs 0 refcount change on invalid ref 2 ret -22 binder: 27420:27421 got reply transaction with no transaction stack binder: 27420:27421 transaction failed 29201/-71, size 48-56 line 2690 binder: BINDER_SET_CONTEXT_MGR already set binder: 27420:27423 ioctl 40046207 0 returned -16 binder: 27420:27423 ERROR: BC_REGISTER_LOOPER called without request binder_alloc: 27420: binder_alloc_buf, no vma binder: 27420:27421 transaction failed 29189/-3, size 0-0 line 2890 binder: undelivered TRANSACTION_ERROR: 29189 binder: send failed reply for transaction 275 to 27420:27421 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered death notification, 0000000000000000 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=9498 sclass=netlink_route_socket pig=27438 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=9498 sclass=netlink_route_socket pig=27443 comm=syz-executor0 PF_BRIDGE: br_mdb_parse() with unknown ifindex IPv6: NLM_F_REPLACE set, but no existing node found! binder: 27465:27469 got transaction to invalid handle binder: 27465:27469 transaction failed 29201/-22, size 88-8 line 2775 binder: 27465:27469 got transaction to invalid handle binder: 27465:27469 transaction failed 29201/-22, size 0-76 line 2775 binder: BINDER_SET_CONTEXT_MGR already set binder: 27465:27469 ioctl 40046207 0 returned -16 binder: 27465:27469 got transaction with invalid offsets size, 22 binder: 27465:27469 transaction failed 29201/-22, size 0-22 line 2926 binder_alloc: binder_alloc_mmap_handler: 27465 20005000-20009000 already mapped failed -16 PF_BRIDGE: br_mdb_parse() with unknown ifindex binder_alloc: binder_alloc_mmap_handler: 27465 2055a000-2055c000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 27465:27474 ioctl 40046207 0 returned -16 binder: 27465:27474 got transaction to invalid handle binder: 27465:27474 transaction failed 29201/-22, size 88-8 line 2775 binder: 27465:27474 got transaction to invalid handle binder: 27465:27474 transaction failed 29201/-22, size 0-76 line 2775 binder: BINDER_SET_CONTEXT_MGR already set binder: 27465:27469 ioctl 40046207 0 returned -16 binder_alloc: 27465: binder_alloc_buf, no vma binder: 27465:27469 transaction failed 29189/-3, size 0-28 line 2890 binder_alloc: binder_alloc_mmap_handler: 27465 20005000-20009000 already mapped failed -16 binder_alloc: binder_alloc_mmap_handler: 27465 2055a000-2055c000 already mapped failed -16 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 IPv6: NLM_F_REPLACE set, but no existing node found! rfkill: input handler disabled rfkill: input handler enabled netlink: 'syz-executor2': attribute type 19 has an invalid length. netlink: 'syz-executor2': attribute type 19 has an invalid length. QAT: Invalid ioctl QAT: Invalid ioctl device gre0 entered promiscuous mode device gre0 entered promiscuous mode nla_parse: 10 callbacks suppressed netlink: 8 bytes leftover after parsing attributes in process `syz-executor1'.