binder: BINDER_SET_CONTEXT_MGR already set binder: 8956:8972 unknown command 0 ============================= WARNING: suspicious RCU usage 4.15.0-rc6-next-20180102+ #86 Not tainted ----------------------------- net/netfilter/ipset/ip_set_core.c:2057 suspicious rcu_dereference_protected() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 3 locks held by kworker/u4:0/5: #0: ((wq_completion)"%s""netns"){+.+.}, at: [<00000000be9b9017>] process_one_work+0x71f/0x14a0 kernel/workqueue.c:2083 #1: (net_cleanup_work){+.+.}, at: [<00000000fc7afa6b>] process_one_work+0x757/0x14a0 kernel/workqueue.c:2087 #2: (net_mutex){+.+.}, at: [<00000000f4257e07>] cleanup_net+0x139/0x8b0 net/core/net_namespace.c:450 stack backtrace: CPU: 0 PID: 5 Comm: kworker/u4:0 Not tainted 4.15.0-rc6-next-20180102+ #86 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x137/0x198 lib/dump_stack.c:53 lockdep_rcu_suspicious+0x123/0x170 kernel/locking/lockdep.c:4585 ip_set_net_exit+0x2c6/0x480 net/netfilter/ipset/ip_set_core.c:2057 ops_exit_list.isra.6+0xae/0x150 net/core/net_namespace.c:142 cleanup_net+0x3f3/0x8b0 net/core/net_namespace.c:484 process_one_work+0x801/0x14a0 kernel/workqueue.c:2112 worker_thread+0xe0/0x1010 kernel/workqueue.c:2246 kthread+0x33c/0x400 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:524 binder: 8956:8959 ioctl 40046207 0 returned -16 binder: 8956:8972 ioctl c0306201 2000a000 returned -22 binder: undelivered TRANSACTION_ERROR: 29201 netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pig=9315 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=0 sclass=netlink_audit_socket pig=9315 comm=syz-executor3 PPPIOCDETACH file->f_count=2 kvm [9429]: vcpu0, guest rIP: 0xfff0 Hyper-V uhandled wrmsr: 0x40000004 data 0x0 kvm [9429]: vcpu0, guest rIP: 0xfff0 Hyper-V uhandled wrmsr: 0x40000004 data 0x0 device eql entered promiscuous mode device syz0 entered promiscuous mode kauditd_printk_skb: 105 callbacks suppressed audit: type=1326 audit(1514913626.771:452): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9622 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x0 netlink: 2 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor7'. audit: type=1326 audit(1514913626.834:453): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=9622 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x0 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 9659 Comm: syz-executor3 Not tainted 4.15.0-rc6-next-20180102+ #86 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+0x137/0x198 lib/dump_stack.c:53 handle_userfault+0x744/0x1750 fs/userfaultfd.c:430 do_anonymous_page mm/memory.c:3171 [inline] handle_pte_fault mm/memory.c:3945 [inline] __handle_mm_fault+0x2fc5/0x3210 mm/memory.c:4071 handle_mm_fault+0x305/0x840 mm/memory.c:4108 __do_page_fault+0x59e/0xca0 arch/x86/mm/fault.c:1429 do_page_fault+0x78/0x490 arch/x86/mm/fault.c:1504 page_fault+0x2c/0x60 arch/x86/entry/entry_64.S:1243 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:ffff8801c88cfa08 EFLAGS: 00010246 RAX: 0000000000010000 RBX: 0000000020011fd2 RCX: ffffffff821c64c1 RDX: 000000000000010d RSI: ffffc90002e93000 RDI: ffff8801c88cfd30 RBP: ffff8801c88cfae8 R08: ffff8801c29ef1a0 R09: 0000000000000003 R10: ffff8801c88cf978 R11: 0000000000000001 R12: 1ffff10039119f44 R13: ffff8801c88cfac0 R14: 0000000000000000 R15: ffff8801c88cfd28 generic_perform_write+0x195/0x4a0 mm/filemap.c:3128 __generic_file_write_iter+0x366/0x5b0 mm/filemap.c:3263 generic_file_write_iter+0x2f0/0x630 mm/filemap.c:3291 call_write_iter include/linux/fs.h:1775 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x550/0x740 fs/read_write.c:482 vfs_write+0x189/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xd4/0x1a0 fs/read_write.c:581 entry_SYSCALL_64_fastpath+0x23/0x9a RIP: 0033:0x452ac9 RSP: 002b:00007fa2d98edc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fa2d98ee700 RCX: 0000000000452ac9 RDX: 00000000fffffe19 RSI: 0000000020011fd2 RDI: 0000000000000014 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 0000000000000000 R13: 0000000000a2f7ef R14: 00007fa2d98ee9c0 R15: 0000000000000000 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 9659 Comm: syz-executor3 Not tainted 4.15.0-rc6-next-20180102+ #86 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+0x137/0x198 lib/dump_stack.c:53 handle_userfault+0x744/0x1750 fs/userfaultfd.c:430 do_anonymous_page mm/memory.c:3171 [inline] handle_pte_fault mm/memory.c:3945 [inline] __handle_mm_fault+0x2fc5/0x3210 mm/memory.c:4071 handle_mm_fault+0x305/0x840 mm/memory.c:4108 __do_page_fault+0x59e/0xca0 arch/x86/mm/fault.c:1429 do_page_fault+0x78/0x490 arch/x86/mm/fault.c:1504 page_fault+0x2c/0x60 arch/x86/entry/entry_64.S:1243 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:ffff8801c88cfa08 EFLAGS: 00010246 RAX: 0000000000010000 RBX: 0000000020011fd2 RCX: ffffffff821c64c1 RDX: 00000000000000b3 RSI: ffffc90002e93000 RDI: ffff8801c88cfd30 RBP: ffff8801c88cfae8 R08: 0000000000000000 R09: 0000000000000000 R10: ffff8801c88cfbe0 R11: 0000000000000000 R12: 1ffff10039119f44 R13: ffff8801c88cfac0 R14: 0000000000000000 R15: ffff8801c88cfd28 generic_perform_write+0x195/0x4a0 mm/filemap.c:3128 __generic_file_write_iter+0x366/0x5b0 mm/filemap.c:3263 generic_file_write_iter+0x2f0/0x630 mm/filemap.c:3291 call_write_iter include/linux/fs.h:1775 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x550/0x740 fs/read_write.c:482 vfs_write+0x189/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xd4/0x1a0 fs/read_write.c:581 entry_SYSCALL_64_fastpath+0x23/0x9a RIP: 0033:0x452ac9 RSP: 002b:00007fa2d98edc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000452ac9 RDX: 00000000fffffe19 RSI: 0000000020011fd2 RDI: 0000000000000017 RBP: 00000000000005f6 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f6fb0 R13: 00000000ffffffff R14: 00007fa2d98ee6d4 R15: 0000000000000000 do_dccp_setsockopt: sockopt(PACKET_SIZE) is deprecated: fix your app do_dccp_setsockopt: sockopt(PACKET_SIZE) is deprecated: fix your app audit: type=1400 audit(1514913629.144:454): avc: denied { create } for pid=10001 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_rdma_socket permissive=1 audit: type=1400 audit(1514913629.145:455): avc: denied { ioctl } for pid=9999 comm="syz-executor3" path="socket:[25968]" dev="sockfs" ino=25968 ioctlcmd=0x8946 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 MPI: mpi too large (16392 bits) audit: type=1326 audit(1514913630.048:456): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10136 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913630.049:457): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10136 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=257 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913630.050:458): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10136 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913630.050:459): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10136 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 QAT: Invalid ioctl QAT: Invalid ioctl device gre0 entered promiscuous mode device lo entered promiscuous mode QAT: Invalid ioctl device lo left promiscuous mode binder: 10387:10389 ERROR: BC_REGISTER_LOOPER called without request binder: 10389 RLIMIT_NICE not set binder: BINDER_SET_CONTEXT_MGR already set binder: 10389 RLIMIT_NICE not set binder: 10389 RLIMIT_NICE not set binder: 10387:10389 ioctl c0306201 2000dfd0 returned -14 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_COMPLETE binder: undelivered transaction 47, process died. binder: 10387:10389 ERROR: BC_REGISTER_LOOPER called without request binder: 10389 RLIMIT_NICE not set binder_alloc: 10387: binder_alloc_buf, no vma binder: 10387:10389 transaction failed 29189/-3, size 0-0 line 2960 binder: 10387:10403 got reply transaction with no transaction stack binder: 10387:10403 transaction failed 29201/-71, size 32-8 line 2760 binder: 10413:10416 IncRefs 0 refcount change on invalid ref 3 ret -22 binder: 10413:10416 BC_REQUEST_DEATH_NOTIFICATION death notification already set binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 binder: BINDER_SET_CONTEXT_MGR already set binder: 10413:10421 ioctl 40046207 0 returned -16 binder: 10413:10416 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 10413:10421 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 10413:10416 IncRefs 0 refcount change on invalid ref 3 ret -22 binder: 10401:10406 ioctl 40046207 0 returned -16 binder: send failed reply for transaction 45 to 10401:10405 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=260 sclass=netlink_route_socket pig=10451 comm=syz-executor2 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=260 sclass=netlink_route_socket pig=10461 comm=syz-executor2 kauditd_printk_skb: 38 callbacks suppressed audit: type=1326 audit(1514913631.815:498): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10553 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1326 audit(1514913631.851:499): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10553 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ffc0000 audit: type=1400 audit(1514913632.205:500): avc: denied { read } for pid=10665 comm="syz-executor3" 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 openvswitch: netlink: Message has 10 unknown bytes. audit: type=1326 audit(1514913632.254:501): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10651 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ff00000 audit: type=1326 audit(1514913632.254:502): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10651 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ff00000 audit: type=1326 audit(1514913632.254:503): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10651 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ff00000 audit: type=1326 audit(1514913632.254:504): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10651 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ff00000 audit: type=1326 audit(1514913632.255:505): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10651 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ff00000 audit: type=1326 audit(1514913632.255:506): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10651 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ff00000 audit: type=1326 audit(1514913632.255:507): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=10651 comm="syz-executor6" exe="/root/syz-executor6" sig=0 arch=c000003e syscall=202 compat=0 ip=0x452ac9 code=0x7ff00000 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=10713 comm=syz-executor0 device syz1 entered promiscuous mode binder: 10881:10886 transaction failed 29189/-22, size 72-16 line 2845 binder_alloc: binder_alloc_mmap_handler: 10881 20000000-20002000 already mapped failed -16