sd 0:0:1:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x20 ascq=0x0 BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor3/5803 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 5803 Comm: syz-executor3 Not tainted 4.4.113-g962d1f3 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 b2faf26d457d998d ffff8800bb337800 ffffffff81d028ed 0000000000000000 ffffffff839fe3a0 ffffffff83cef6a0 ffff8800bac14740 0000000000000003 ffff8800bb337840 ffffffff81d62834 ffffffff810002b8 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] check_preemption_disabled+0x1d4/0x200 lib/smp_processor_id.c:46 [] ? 0xffffffff810002b8 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] tcp_try_coalesce+0x249/0x4d0 net/ipv4/tcp_input.c:4278 [] tcp_queue_rcv+0x127/0x720 net/ipv4/tcp_input.c:4485 [] tcp_send_rcvq+0x39b/0x450 net/ipv4/tcp_input.c:4531 [] tcp_sendmsg+0x1e8f/0x2b10 net/ipv4/tcp.c:1134 [] inet_sendmsg+0x2bc/0x4c0 net/ipv4/af_inet.c:755 [] sock_sendmsg_nosec net/socket.c:625 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:635 [] SYSC_sendto+0x2c8/0x340 net/socket.c:1665 [] SyS_sendto+0x40/0x50 net/socket.c:1633 [] entry_SYSCALL_64_fastpath+0x1c/0x98 IPVS: Creating netns size=2552 id=9 binder: 5985:5994 got reply transaction with no transaction stack binder: 5985:5994 transaction failed 29201/-71, size 0-0 line 2921 binder: 5985:5994 ioctl c0306201 20002fd0 returned -14 binder: 5985:5994 got reply transaction with bad transaction stack, transaction 8 has target 5985:0 binder: 5985:5994 transaction failed 29201/-71, size 32-8 line 2936 binder: 6019:6022 ERROR: BC_REGISTER_LOOPER called without request TCP: request_sock_TCPv6: Possible SYN flooding on port 20014. Sending cookies. Check SNMP counters. binder: 5985:5994 ioctl c0306201 2000efd0 returned -14 binder: release 5985:5994 transaction 8 out, still active binder: 6019:6035 ioctl c0306201 20005fd0 returned -14 binder: 6019:6035 got reply transaction with no transaction stack binder: 6019:6035 transaction failed 29201/-71, size 32-8 line 2921 binder: BINDER_SET_CONTEXT_MGR already set binder: 6019:6046 ioctl 40046207 0 returned -16 binder: 6019:6046 ioctl c0306201 20005fd0 returned -14 binder: 5985:6006 got reply transaction with no transaction stack binder: 5985:6006 transaction failed 29201/-71, size 0-0 line 2921 binder: undelivered TRANSACTION_ERROR: 29201 binder: 5985:5994 ERROR: BC_REGISTER_LOOPER called without request binder: 5985:6006 ioctl c0306201 20002fd0 returned -14 binder: send failed reply for transaction 8, target dead binder: undelivered TRANSACTION_ERROR: 29201 binder: 5985:5994 got reply transaction with no transaction stack binder: 5985:5994 transaction failed 29201/-71, size 32-8 line 2921 binder: undelivered TRANSACTION_ERROR: 29201 binder: release 5985:6040 transaction 14 out, still active binder: undelivered TRANSACTION_COMPLETE binder: release 5985:5994 transaction 14 in, still active binder: send failed reply for transaction 14, target dead binder: undelivered TRANSACTION_ERROR: 29201 capability: warning: `syz-executor3' uses 32-bit capabilities (legacy support in use) TCP: request_sock_TCPv6: Possible SYN flooding on port 20006. Sending cookies. Check SNMP counters. IPv6: NLM_F_REPLACE set, but no existing node found! TCP: request_sock_TCPv6: Possible SYN flooding on port 20026. Sending cookies. Check SNMP counters. TCP: request_sock_TCPv6: Possible SYN flooding on port 20006. Sending cookies. Check SNMP counters. audit_printk_skb: 1 callbacks suppressed audit: type=1326 audit(1517385796.590:12): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=6282 comm="syz-executor5" exe="/root/syz-executor5" sig=9 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0 TCP: request_sock_TCPv6: Possible SYN flooding on port 20006. Sending cookies. Check SNMP counters. binder: 6394:6399 BC_REQUEST_DEATH_NOTIFICATION invalid ref 1 binder: 6394:6399 DecRefs 0 refcount change on invalid ref 1 ret -22 binder: 6394:6411 ERROR: BC_REGISTER_LOOPER called without request netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. binder: 6394:6399 IncRefs 0 refcount change on invalid ref 3 ret -22 netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. binder: 6394:6399 got reply transaction with no transaction stack binder: 6394:6399 transaction failed 29201/-71, size 0-0 line 2921 binder_alloc: binder_alloc_mmap_handler: 6394 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 6394:6415 BC_REQUEST_DEATH_NOTIFICATION invalid ref 1 binder: 6394:6399 ioctl 40046207 0 returned -16 binder: 6394:6415 DecRefs 0 refcount change on invalid ref 1 ret -22 binder: 6394:6415 IncRefs 0 refcount change on invalid ref 3 ret -22 binder: 6394:6399 ERROR: BC_REGISTER_LOOPER called without request binder: 6394:6415 got reply transaction with no transaction stack binder: 6394:6415 transaction failed 29201/-71, size 0-0 line 2921 audit: type=1400 audit(1517385797.220:13): avc: denied { ioctl } for pid=6431 comm="syz-executor4" path="socket:[14136]" dev="sockfs" ino=14136 ioctlcmd=8946 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 binder: BINDER_SET_CONTEXT_MGR already set binder: 6473:6489 ioctl 40046207 0 returned -16 binder_alloc: 6473: binder_alloc_buf, no vma binder: 6473:6510 transaction failed 29189/-3, size 0-0 line 3128 binder: undelivered TRANSACTION_ERROR: 29189 binder: release 6473:6489 transaction 20 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 20, target dead binder: 6597:6598 ioctl 402c5342 20743000 returned -22 binder: 6597:6609 got transaction with invalid offset (56, min 0 max 72) or object. binder: 6597:6609 transaction failed 29201/-22, size 72-40 line 3191 audit: type=1401 audit(1517385797.820:14): op=fscreate invalid_context=9C9F395AE08C31405354F0E596CA3DC460D898AA3927F22ABA65FC5D876451FD5A5F25A1C2026A1275BEEBF90691 audit: type=1401 audit(1517385797.820:15): op=fscreate invalid_context=9C9F395AE08C31405354F0E596CA3DC460D898AA3927F22ABA65FC5D876451FD5A5F25A1C2026A1275BEEBF90691 binder: send failed reply for transaction 23 to 6597:6598 binder: BINDER_SET_CONTEXT_MGR already set binder: 6597:6613 ioctl 40046207 0 returned -16 binder: 6597:6612 ioctl 402c5342 20743000 returned -22 binder_alloc: 6597: binder_alloc_buf, no vma binder: 6597:6612 transaction failed 29189/-3, size 0-0 line 3128 binder: 6597:6612 got reply transaction with no transaction stack binder: 6597:6612 transaction failed 29201/-71, size 72-40 line 2921 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29190 ': renamed from gre0 audit: type=1400 audit(1517385798.360:16): avc: denied { setopt } for pid=6713 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_generic_socket permissive=1 audit: type=1401 audit(1517385798.660:17): op=setxattr invalid_context="" audit: type=1401 audit(1517385798.680:18): op=setxattr invalid_context="" SELinux: policydb version -768637669 does not match my version range 15-30 device gre0 entered promiscuous mode SELinux: policydb version -768637669 does not match my version range 15-30 syz-executor4 uses obsolete (PF_INET,SOCK_PACKET) binder: 7152:7159 got transaction to invalid handle binder: 7152:7159 transaction failed 29201/-22, size 24-8 line 3005 binder: BINDER_SET_CONTEXT_MGR already set binder: 7152:7168 ioctl 40046207 0 returned -16 binder: 7152:7168 got transaction to invalid handle binder: 7152:7168 transaction failed 29201/-22, size 24-8 line 3005 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 1 PID: 7301 Comm: syz-executor5 Not tainted 4.4.113-g962d1f3 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 54d9ef393c0acb5f ffff8801d71cf830 ffffffff81d028ed ffff8800b3200780 1ffff1003ae39f13 ffff8801d71cf9b8 0000000000000000 0000000000000000 ffff8801d71cf9e0 ffffffff81605ec5 ffffffff81236530 Call Trace: [] __dump_stack lib/dump_stack.c:15 [inline] [] dump_stack+0xc1/0x124 lib/dump_stack.c:51 [] handle_userfault+0x715/0xf50 fs/userfaultfd.c:316 [] do_anonymous_page mm/memory.c:2731 [inline] [] handle_pte_fault mm/memory.c:3295 [inline] [] __handle_mm_fault mm/memory.c:3426 [inline] [] handle_mm_fault+0x2938/0x3190 mm/memory.c:3455 [] __do_page_fault+0x35b/0xa00 arch/x86/mm/fault.c:1245 [] do_page_fault+0x27/0x30 arch/x86/mm/fault.c:1308 [] page_fault+0x28/0x30 arch/x86/entry/entry_64.S:1033 [] snd_seq_do_ioctl+0x171/0x1a0 sound/core/seq/seq_clientmgr.c:2212 [] snd_seq_ioctl+0x5d/0x80 sound/core/seq/seq_clientmgr.c:2227 [] vfs_ioctl fs/ioctl.c:43 [inline] [] do_vfs_ioctl+0x7aa/0xee0 fs/ioctl.c:607 [] SYSC_ioctl fs/ioctl.c:622 [inline] [] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:613 [] entry_SYSCALL_64_fastpath+0x1c/0x98 device gre0 entered promiscuous mode binder: BINDER_SET_CONTEXT_MGR already set binder: 7447:7471 ioctl 40046207 0 returned -16 binder: send failed reply for transaction 31 to 7447:7463 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189 netlink: 7 bytes leftover after parsing attributes in process `syz-executor7'. binder: 7628:7638 unknown command 0 binder: 7628:7638 ioctl c0306201 20ae4000 returned -22 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=57 sclass=netlink_route_socket binder: 7628:7648 got transaction to invalid handle binder: 7628:7648 transaction failed 29201/-22, size 0-0 line 3005 device gre0 entered promiscuous mode netlink: 7 bytes leftover after parsing attributes in process `syz-executor7'. binder: 7628:7664 unknown command 0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=57 sclass=netlink_route_socket binder: BINDER_SET_CONTEXT_MGR already set binder: 7628:7670 got transaction to invalid handle binder: 7628:7670 transaction failed 29201/-22, size 0-0 line 3005 binder: 7628:7664 ioctl c0306201 20ae4000 returned -22 binder: 7628:7648 ioctl 40046207 0 returned -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 7675:7677 ioctl 40046207 0 returned -16 binder: 7675:7676 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 7675:7677 Release 1 refcount change on invalid ref 0 ret -22 IPVS: length: 24 != 8 binder: 7906:7907 ioctl 5606 183f returned -22 binder: release 7906:7907 transaction 39 in, still active binder: send failed reply for transaction 39 to 7906:7926 binder: BINDER_SET_CONTEXT_MGR already set binder: 7906:7926 ioctl 40046207 0 returned -16 binder_alloc: 7906: binder_alloc_buf, no vma binder: 7906:7926 transaction failed 29189/-3, size 0-0 line 3128 binder: 7906:7941 ioctl 5606 183f returned -22 binder: 7906:7942 BC_FREE_BUFFER u0000000020000000 no match binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_COMPLETE binder: undelivered TRANSACTION_ERROR: 29189