BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/11894 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 11894 Comm: syz-executor0 Not tainted 4.4.113-g962d1f3 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 b6526f868346cc61 ffff8801d6867800 ffffffff81d028ed 0000000000000001 ffffffff839fe3a0 ffffffff83cef6a0 ffff8801c3222f80 0000000000000003 ffff8801d6867840 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 BUG: using __this_cpu_add() in preemptible [00000000] code: syz-executor0/11894 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 11894 Comm: syz-executor0 Not tainted 4.4.113-g962d1f3 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 b6526f868346cc61 ffff8801d6867800 ffffffff81d028ed 0000000000000001 ffffffff839fe3a0 ffffffff83cef6a0 ffff8801c3222f80 0000000000000003 ffff8801d6867840 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 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=43107 sclass=netlink_audit_socket SELinux: unrecognized netlink message: protocol=9 nlmsg_type=43107 sclass=netlink_audit_socket netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. audit: type=1400 audit(1517378084.724:41): avc: denied { accept } for pid=11987 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_netfilter_socket permissive=1 netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. audit: type=1400 audit(1517378084.944:42): avc: denied { setopt } for pid=12030 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_netfilter_socket permissive=1 binder: 12051:12055 got reply transaction with no transaction stack binder: 12051:12055 transaction failed 29201/-71, size 0-8 line 2921 binder: 12051:12061 BC_CLEAR_DEATH_NOTIFICATION invalid ref 4 binder: 12051:12061 BC_ACQUIRE_DONE uffffffffffffffff no match binder: 12051:12061 got reply transaction with no transaction stack binder: 12051:12061 transaction failed 29201/-71, size 24-32 line 2921 binder_alloc: binder_alloc_mmap_handler: 12051 20000000-20002000 already mapped failed -16 binder: BINDER_SET_CONTEXT_MGR already set binder: 12051:12061 ioctl 40046207 0 returned -16 binder: 12051:12069 got reply transaction with no transaction stack binder: 12051:12069 transaction failed 29201/-71, size 0-8 line 2921 binder: 12051:12069 BC_CLEAR_DEATH_NOTIFICATION invalid ref 4 binder: 12051:12069 BC_ACQUIRE_DONE uffffffffffffffff no match binder: 12051:12069 got reply transaction with no transaction stack binder: 12051:12069 transaction failed 29201/-71, size 24-32 line 2921 binder: 12051:12061 BC_ACQUIRE_DONE uffffffffffffffff no match binder: 12051:12061 BC_INCREFS_DONE uffffffffffffffff no match binder: 12051:12061 got transaction to invalid handle binder: 12051:12061 transaction failed 29201/-22, size 80-32 line 3005 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29201 netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'. qtaguid: iface_stat: iface_check_stats_reset_and_adjust(lo): iface reset its stats unexpectedly audit: type=1400 audit(1517378085.284:43): avc: denied { getopt } for pid=12107 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'. SELinux: truncated policydb string identifier SELinux: truncated policydb string identifier FAULT_FLAG_ALLOW_RETRY missing 30 CPU: 0 PID: 12619 Comm: syz-executor0 Not tainted 4.4.113-g962d1f3 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 d8625969510bae5c ffff8800ada1f580 ffffffff81d028ed ffff8801cc723800 1ffff10015b43ebd ffff8800ada1f708 0000000000000000 0000000000000000 ffff8800ada1f730 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 [] generic_perform_write+0x1eb/0x530 mm/filemap.c:2540 [] __generic_file_write_iter+0x35a/0x580 mm/filemap.c:2675 [] generic_file_write_iter+0x2f1/0x720 mm/filemap.c:2703 [] new_sync_write fs/read_write.c:478 [inline] [] __vfs_write+0x33c/0x450 fs/read_write.c:491 [] vfs_write+0x18a/0x530 fs/read_write.c:538 [] SYSC_write fs/read_write.c:585 [inline] [] SyS_write+0xd9/0x1b0 fs/read_write.c:577 [] entry_SYSCALL_64_fastpath+0x1c/0x98 mip6: mip6_rthdr_init_state: state's mode is not 2: 0 mip6: mip6_rthdr_init_state: state's mode is not 2: 0 IPVS: Scheduler module ip_vs_ not found A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. IPVS: Scheduler module ip_vs_ not found A link change request failed with some changes committed already. Interface lo may have been left with an inconsistent configuration, please check. audit: type=1326 audit(1517378089.914:44): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13185 comm="syz-executor3" exe="/root/syz-executor3" sig=9 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0 audit: type=1326 audit(1517378090.014:45): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13185 comm="syz-executor3" exe="/root/syz-executor3" sig=9 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0 netlink: 20 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 20 bytes leftover after parsing attributes in process `syz-executor1'. audit: type=1400 audit(1517378090.674:46): avc: denied { create } for pid=13362 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_iscsi_socket permissive=1 IPv4: Oversized IP packet from 127.0.0.1 IPv4: Oversized IP packet from 127.0.0.1 audit: type=1400 audit(1517378091.104:47): avc: denied { create } for pid=13450 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 È: renamed from gre0 binder: 13587:13590 unknown command 72 binder: 13587:13590 ioctl c0306201 20007000 returned -22 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor1/13586 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 1 PID: 13586 Comm: syz-executor1 Not tainted 4.4.113-g962d1f3 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 3f4d6a9c07671511 ffff8801d81b7468 ffffffff81d028ed[ 84.852486] binder: 13587:13597 unknown command 72 binder: 13587:13597 ioctl c0306201 20007000 returned -22 0000000000000001 ffffffff839fe3a0 ffffffff83d0b8a0 ffff8801d8280000 0000000000000003 ffff8801d81b74a8 ffffffff81d62834 ffff8801d81b74c0 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 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x980 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2058 [] xfrm_state_construct net/xfrm/xfrm_user.c:590 [inline] [] xfrm_add_sa+0x1916/0x2e40 net/xfrm/xfrm_user.c:636 [] xfrm_user_rcv_msg+0x41c/0x6b0 net/xfrm/xfrm_user.c:2525 [] netlink_rcv_skb+0x13e/0x370 net/netlink/af_netlink.c:2349 [] xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2533 [] netlink_unicast_kernel net/netlink/af_netlink.c:1267 [inline] [] netlink_unicast+0x522/0x760 net/netlink/af_netlink.c:1293 [] netlink_sendmsg+0x8e8/0xc50 net/netlink/af_netlink.c:1847 [] sock_sendmsg_nosec net/socket.c:625 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:635 [] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962 [] __sys_sendmsg+0xd3/0x190 net/socket.c:1996 [] SYSC_sendmsg net/socket.c:2007 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2003 [] entry_SYSCALL_64_fastpath+0x1c/0x98 BUG: using __this_cpu_read() in preemptible [00000000] code: syz-executor1/13586 caller is __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 CPU: 0 PID: 13586 Comm: syz-executor1 Not tainted 4.4.113-g962d1f3 #2 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 0000000000000000 3f4d6a9c07671511 ffff8801d81b7468 ffffffff81d028ed 0000000000000000 ffffffff839fe3a0 ffffffff83d0b8a0 ffff8801d8280000 0000000000000003 ffff8801d81b74a8 ffffffff81d62834 ffff8801d81b74c0 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 [] __this_cpu_preempt_check+0x1c/0x20 lib/smp_processor_id.c:62 [] ipcomp_alloc_tfms net/xfrm/xfrm_ipcomp.c:286 [inline] [] ipcomp_init_state+0x188/0x980 net/xfrm/xfrm_ipcomp.c:363 [] ipcomp6_init_state+0xb5/0x820 net/ipv6/ipcomp6.c:165 [] __xfrm_init_state+0x3e7/0xb30 net/xfrm/xfrm_state.c:2058 [] xfrm_state_construct net/xfrm/xfrm_user.c:590 [inline] [] xfrm_add_sa+0x1916/0x2e40 net/xfrm/xfrm_user.c:636 [] xfrm_user_rcv_msg+0x41c/0x6b0 net/xfrm/xfrm_user.c:2525 [] netlink_rcv_skb+0x13e/0x370 net/netlink/af_netlink.c:2349 [] xfrm_netlink_rcv+0x6f/0x90 net/xfrm/xfrm_user.c:2533 [] netlink_unicast_kernel net/netlink/af_netlink.c:1267 [inline] [] netlink_unicast+0x522/0x760 net/netlink/af_netlink.c:1293 [] netlink_sendmsg+0x8e8/0xc50 net/netlink/af_netlink.c:1847 [] sock_sendmsg_nosec net/socket.c:625 [inline] [] sock_sendmsg+0xca/0x110 net/socket.c:635 [] ___sys_sendmsg+0x6c1/0x7c0 net/socket.c:1962 [] __sys_sendmsg+0xd3/0x190 net/socket.c:1996 [] SYSC_sendmsg net/socket.c:2007 [inline] [] SyS_sendmsg+0x2d/0x50 net/socket.c:2003 [] entry_SYSCALL_64_fastpath+0x1c/0x98 audit: type=1326 audit(1517378092.484:48): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=13651 comm="syz-executor3" exe="/root/syz-executor3" sig=9 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0 binder: release 14034:14035 transaction 76 out, still active binder: undelivered TRANSACTION_COMPLETE binder: 14034:14035 transaction failed 29189/0, size 0-0 line 2945 binder: send failed reply for transaction 76, target dead binder: BINDER_SET_CONTEXT_MGR already set binder: 14034:14056 ioctl 40046207 0 returned -16 binder: undelivered TRANSACTION_ERROR: 29190 binder: 14034:14056 transaction failed 29189/-22, size 0-0 line 3005 binder: 14034:14035 got reply transaction with no transaction stack binder: 14034:14035 transaction failed 29201/-71, size 0-0 line 2921 binder: undelivered TRANSACTION_ERROR: 29201 binder: undelivered TRANSACTION_ERROR: 29189