====================================================== WARNING: possible circular locking dependency detected 4.15.0-rc3+ #221 Not tainted ------------------------------------------------------ syz-executor1/13273 is trying to acquire lock: (&sb->s_type->i_mutex_key#10){++++}, at: [<00000000940e0844>] inode_lock include/linux/fs.h:713 [inline] (&sb->s_type->i_mutex_key#10){++++}, at: [<00000000940e0844>] generic_file_write_iter+0xdc/0x7a0 mm/filemap.c:3289 but task is already holding lock: (&pipe->mutex/1){+.+.}, at: [<00000000a7709a40>] pipe_lock_nested fs/pipe.c:67 [inline] (&pipe->mutex/1){+.+.}, at: [<00000000a7709a40>] 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: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 -> #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-executor1/13273: #0: (sb_writers#6){.+.+}, at: [<000000001adb3e51>] file_start_write include/linux/fs.h:2715 [inline] #0: (sb_writers#6){.+.+}, at: [<000000001adb3e51>] do_splice fs/splice.c:1146 [inline] #0: (sb_writers#6){.+.+}, at: [<000000001adb3e51>] SYSC_splice fs/splice.c:1402 [inline] #0: (sb_writers#6){.+.+}, at: [<000000001adb3e51>] SyS_splice+0x1117/0x1630 fs/splice.c:1382 #1: (&pipe->mutex/1){+.+.}, at: [<00000000a7709a40>] pipe_lock_nested fs/pipe.c:67 [inline] #1: (&pipe->mutex/1){+.+.}, at: [<00000000a7709a40>] pipe_lock+0x56/0x70 fs/pipe.c:75 stack backtrace: CPU: 1 PID: 13273 Comm: syz-executor1 Not tainted 4.15.0-rc3+ #221 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:00007fd711f05c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39 RDX: 0000000000000016 RSI: 0000000000000000 RDI: 0000000000000017 RBP: 0000000000000589 R08: 00000000fffffdff R09: 0000000000000000 R10: 0000000000800000 R11: 0000000000000212 R12: 00000000006f6578 R13: 00000000ffffffff R14: 00007fd711f066d4 R15: 0000000000000000 netlink: 'syz-executor2': attribute type 4 has an invalid length. netlink: 'syz-executor2': attribute type 4 has an invalid length. netlink: 11 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 109 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor6'. audit: type=1326 audit(1513330326.003:1604): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13496 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1513330326.003:1605): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13496 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=324 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1513330326.055:1606): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13496 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1513330326.056:1607): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13496 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1513330326.057:1608): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13496 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=55 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1513330326.057:1609): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13496 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1513330326.057:1610): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13496 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0x7ffc0000 audit: type=1326 audit(1513330326.060:1611): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13496 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=222 compat=0 ip=0x452a39 code=0x7ffc0000 IPv6: NLM_F_REPLACE set, but no existing node found! rfkill: input handler disabled netlink: 8 bytes leftover after parsing attributes in process `syz-executor7'. rfkill: input handler enabled kvm [13640]: vcpu0, guest rIP: 0xfff0 unimplemented HWCR wrmsr: 0x7 QAT: Invalid ioctl QAT: Invalid ioctl binder: 14007:14009 ioctl 4b46 20d0affc returned -22 kauditd_printk_skb: 30 callbacks suppressed audit: type=1326 audit(1513330328.286:1642): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=14005 comm="syz-executor5" exe="/root/syz-executor5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000 audit: type=1326 audit(1513330328.318:1643): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=14005 comm="syz-executor5" exe="/root/syz-executor5" sig=31 arch=c000003e syscall=35 compat=0 ip=0x47e0a1 code=0xffff0000 binder: 14094:14102 DecRefs 0 refcount change on invalid ref 0 ret -22 binder: 14102 RLIMIT_NICE not set binder: 14094:14111 got transaction to invalid handle binder: 14094:14111 transaction failed 29201/-22, size 32-32 line 2775 binder: 14102 RLIMIT_NICE not set binder: 14094:14111 BC_FREE_BUFFER u0000000020000000 matched unreturned buffer binder_alloc: 14094:14111 FREE_BUFFER u0000000020000000 user freed buffer twice binder: 14094:14111 BC_FREE_BUFFER u0000000020000000 no match binder: 14094:14111 got new transaction with bad transaction stack, transaction 68 has target 14094:0 binder: 14094:14111 transaction failed 29201/-71, size 0-0 line 2802 binder: 14094:14125 DecRefs 0 refcount change on invalid ref 0 ret -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 14094:14111 ioctl 40046207 0 returned -16 binder: 14094:14125 got transaction to invalid handle binder: 14094:14125 transaction failed 29201/-22, size 32-32 line 2775 binder_alloc: 14094: binder_alloc_buf, no vma binder: 14094:14111 transaction failed 29189/-3, size 0-0 line 2890 binder: 14094:14125 BC_FREE_BUFFER u0000000020000000 no match binder_alloc: 14094: binder_alloc_buf, no vma binder: 14094:14125 transaction failed 29189/-3, size 0-0 line 2890 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 14094:14102 transaction 68 in, still active binder: send failed reply for transaction 68 to 14094:14111 binder: undelivered TRANSACTION_ERROR: 29189 device gre0 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl audit: type=1400 audit(1513330330.232:1644): avc: denied { setopt } for pid=14368 comm="syz-executor4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_fib_lookup_socket permissive=1 QAT: Invalid ioctl audit: type=1400 audit(1513330330.280:1645): avc: denied { read } for pid=14368 comm="syz-executor4" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_fib_lookup_socket permissive=1 device gre0 entered promiscuous mode device gre0 entered promiscuous mode nla_parse: 14 callbacks suppressed netlink: 11 bytes leftover after parsing attributes in process `syz-executor7'. device gre0 entered promiscuous mode netlink: 6 bytes leftover after parsing attributes in process `syz-executor3'. device gre0 left promiscuous mode netlink: 6 bytes leftover after parsing attributes in process `syz-executor3'. device gre0 entered promiscuous mode netlink: 3 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor5'. kvm: vcpu 0: requested 68374 ns lapic timer period limited to 500000 ns binder: 14504 RLIMIT_NICE not set binder: 14504 RLIMIT_NICE not set binder: 14502:14522 transaction failed 29201/-22, size 0--1 line 2890 netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. binder: 14528:14529 DecRefs 0 refcount change on invalid ref 0 ret -22 binder: 14529 RLIMIT_NICE not set device gre0 entered promiscuous mode skbuff: bad partial csum: csum=128/65535 len=130 binder: 14528:14539 got transaction to invalid handle binder: 14528:14539 transaction failed 29201/-22, size 32-32 line 2775 binder: BINDER_SET_CONTEXT_MGR already set binder: 14502:14531 ioctl 40046207 0 returned -16 binder: 14522 RLIMIT_NICE not set binder: 14529 RLIMIT_NICE not set binder_alloc: 14502: binder_alloc_buf, no vma binder: 14502:14522 transaction failed 29189/-3, size 0--1 line 2890 binder: 14528:14539 BC_FREE_BUFFER u0000000020000000 matched unreturned buffer netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'. binder_alloc: 14528:14539 FREE_BUFFER u0000000020000000 user freed buffer twice binder: 14528:14539 BC_FREE_BUFFER u0000000020000000 no match binder: 14528:14539 got new transaction with bad transaction stack, transaction 77 has target 14528:0 binder: 14528:14539 transaction failed 29201/-71, size 0-0 line 2802 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: 14528:14557 DecRefs 0 refcount change on invalid ref 0 ret -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 14528:14539 ioctl 40046207 0 returned -16 binder: 14528:14557 got transaction to invalid handle binder: 14528:14557 transaction failed 29201/-22, size 32-32 line 2775 sg_write: data in/out 327644/32 bytes for SCSI command 0x4-- guessing data in; program syz-executor1 not setting count and/or reply_len properly binder_alloc: 14528: binder_alloc_buf, no vma binder: 14528:14539 transaction failed 29189/-3, size 0-0 line 2890 binder: 14528:14557 BC_FREE_BUFFER u0000000020000000 no match binder_alloc: 14528: binder_alloc_buf, no vma binder: 14528:14557 transaction failed 29189/-3, size 0-0 line 2890 sg_write: data in/out 327644/32 bytes for SCSI command 0x4-- guessing data in; program syz-executor1 not setting count and/or reply_len properly netlink: 'syz-executor1': attribute type 1 has an invalid length. netlink: 'syz-executor1': attribute type 5 has an invalid length. TCP: request_sock_TCPv6: Possible SYN flooding on port 20000. Sending cookies. Check SNMP counters. netlink: 'syz-executor1': attribute type 1 has an invalid length. netlink: 'syz-executor1': attribute type 5 has an invalid length. binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 14528:14529 transaction 77 in, still active binder: send failed reply for transaction 77 to 14528:14539 binder: undelivered TRANSACTION_ERROR: 29189 device syz0 entered promiscuous mode device syz0 left promiscuous mode device syz0 entered promiscuous mode device syz0 left promiscuous mode rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 device gre0 entered promiscuous mode device gre0 entered promiscuous mode netlink: 'syz-executor5': attribute type 10 has an invalid length. print_req_error: 120 callbacks suppressed print_req_error: I/O error, dev loop6, sector 0 print_req_error: I/O error, dev loop6, sector 0 buffer_io_error: 119 callbacks suppressed Buffer I/O error on dev loop6, logical block 0, async page read print_req_error: I/O error, dev loop6, sector 0 Buffer I/O error on dev loop6, logical block 0, async page read print_req_error: I/O error, dev loop6, sector 0 Buffer I/O error on dev loop6, logical block 0, async page read print_req_error: I/O error, dev loop6, sector 0 Buffer I/O error on dev loop6, logical block 0, async page read print_req_error: I/O error, dev loop6, sector 0 Buffer I/O error on dev loop6, logical block 0, async page read print_req_error: I/O error, dev loop6, sector 0 Buffer I/O error on dev loop6, logical block 0, async page read print_req_error: I/O error, dev loop6, sector 0 Buffer I/O error on dev loop6, logical block 0, async page read print_req_error: I/O error, dev loop6, sector 0 Buffer I/O error on dev loop6, logical block 0, async page read print_req_error: I/O error, dev loop6, sector 0 Buffer I/O error on dev loop6, logical block 0, async page read Buffer I/O error on dev loop6, logical block 0, async page read RDS: rds_bind could not find a transport for 172.20.6.170, load rds_tcp or rds_rdma? RDS: rds_bind could not find a transport for 172.20.6.170, load rds_tcp or rds_rdma? SELinux: unrecognized netlink message: protocol=0 nlmsg_type=64363 sclass=netlink_route_socket pig=14861 comm=syz-executor4 netlink: 13 bytes leftover after parsing attributes in process `syz-executor1'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4095 sclass=netlink_route_socket pig=14874 comm=syz-executor4 netlink: 13 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 'syz-executor5': attribute type 10 has an invalid length. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=64363 sclass=netlink_route_socket pig=14861 comm=syz-executor4 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=4095 sclass=netlink_route_socket pig=14884 comm=syz-executor4 dccp_v6_rcv: dropped packet with invalid checksum sock: sock_set_timeout: `syz-executor0' (pid 14977) tries to set negative timeout QAT: Invalid ioctl QAT: Invalid ioctl sock: sock_set_timeout: `syz-executor0' (pid 14990) tries to set negative timeout netlink: 2 bytes leftover after parsing attributes in process `syz-executor4'. QAT: Invalid ioctl audit: type=1400 audit(1513330334.091:1646): avc: denied { setopt } for pid=15054 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: 15059:15064 ioctl 40046205 6 returned -22 binder: 15059:15069 ioctl 40046205 0 returned -22 QAT: Invalid ioctl binder: 15059:15069 ERROR: BC_REGISTER_LOOPER called without request binder: 15069 RLIMIT_NICE not set audit: type=1326 audit(1513330334.189:1647): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15060 comm="syz-executor4" exe="/root/syz-executor4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000 binder: 15059:15064 ioctl c0306201 20007000 returned -14 binder: 15059:15064 got transaction to invalid handle binder: 15059:15064 transaction failed 29201/-22, size 0-8 line 2775 binder: 15059:15064 got reply transaction with no transaction stack binder: 15059:15064 transaction failed 29201/-71, size 24-8 line 2690 audit: type=1326 audit(1513330334.289:1648): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=15060 comm="syz-executor4" exe="/root/syz-executor4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000