====================================================== WARNING: possible circular locking dependency detected 4.16.0-rc1+ #314 Not tainted ------------------------------------------------------ syz-executor3/5292 is trying to acquire lock: (sk_lock-AF_INET){+.+.}, at: [<00000000ee685f23>] lock_sock include/net/sock.h:1463 [inline] (sk_lock-AF_INET){+.+.}, at: [<00000000ee685f23>] do_ip_setsockopt.isra.12+0x1d9/0x3210 net/ipv4/ip_sockglue.c:646 but task is already holding lock: (rtnl_mutex){+.+.}, at: [<0000000020a1126b>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (rtnl_mutex){+.+.}: __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 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 unregister_netdevice_notifier+0x91/0x4e0 net/core/dev.c:1673 tee_tg_destroy+0x61/0xc0 net/netfilter/xt_TEE.c:123 cleanup_entry+0x218/0x350 net/ipv4/netfilter/ip_tables.c:654 __do_replace+0x79d/0xa50 net/ipv4/netfilter/ip_tables.c:1089 do_replace net/ipv4/netfilter/ip_tables.c:1145 [inline] do_ipt_set_ctl+0x40f/0x5f0 net/ipv4/netfilter/ip_tables.c:1675 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0x97/0xa0 net/ipv4/ip_sockglue.c:1259 raw_setsockopt+0xb7/0xd0 net/ipv4/raw.c:870 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 do_syscall_64+0x280/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #1 (&xt[i].mutex){+.+.}: __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 xt_find_table_lock+0x3e/0x3e0 net/netfilter/x_tables.c:1046 xt_request_find_table_lock+0x28/0xc0 net/netfilter/x_tables.c:1093 get_info+0x154/0x690 net/ipv6/netfilter/ip6_tables.c:989 do_arpt_get_ctl+0x2a9/0xa00 net/ipv4/netfilter/arp_tables.c:1481 nf_sockopt net/netfilter/nf_sockopt.c:104 [inline] nf_getsockopt+0x6a/0xc0 net/netfilter/nf_sockopt.c:122 ip_getsockopt+0x15c/0x220 net/ipv4/ip_sockglue.c:1571 tcp_getsockopt+0x82/0xd0 net/ipv4/tcp.c:3359 sock_common_getsockopt+0x95/0xd0 net/core/sock.c:2934 SYSC_getsockopt net/socket.c:1880 [inline] SyS_getsockopt+0x178/0x340 net/socket.c:1862 do_syscall_64+0x280/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 -> #0 (sk_lock-AF_INET){+.+.}: lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 lock_sock_nested+0xc2/0x110 net/core/sock.c:2777 lock_sock include/net/sock.h:1463 [inline] do_ip_setsockopt.isra.12+0x1d9/0x3210 net/ipv4/ip_sockglue.c:646 ip_setsockopt+0x3a/0xa0 net/ipv4/ip_sockglue.c:1252 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 do_syscall_64+0x280/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 other info that might help us debug this: Chain exists of: sk_lock-AF_INET --> &xt[i].mutex --> rtnl_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(rtnl_mutex); lock(&xt[i].mutex); lock(rtnl_mutex); lock(sk_lock-AF_INET); *** DEADLOCK *** 1 lock held by syz-executor3/5292: #0: (rtnl_mutex){+.+.}, at: [<0000000020a1126b>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74 stack backtrace: CPU: 1 PID: 5292 Comm: syz-executor3 Not tainted 4.16.0-rc1+ #314 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.isra.38+0x2cd/0x2dc kernel/locking/lockdep.c:1223 check_prev_add kernel/locking/lockdep.c:1863 [inline] check_prevs_add kernel/locking/lockdep.c:1976 [inline] validate_chain kernel/locking/lockdep.c:2417 [inline] __lock_acquire+0x30a8/0x3e00 kernel/locking/lockdep.c:3431 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920 lock_sock_nested+0xc2/0x110 net/core/sock.c:2777 lock_sock include/net/sock.h:1463 [inline] do_ip_setsockopt.isra.12+0x1d9/0x3210 net/ipv4/ip_sockglue.c:646 ip_setsockopt+0x3a/0xa0 net/ipv4/ip_sockglue.c:1252 tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2905 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2975 SYSC_setsockopt net/socket.c:1849 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1828 do_syscall_64+0x280/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453a59 RSP: 002b:00007f831ee49c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f831ee4a6d4 RCX: 0000000000453a59 RDX: 0000000000000027 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 000000000071bea0 R08: 000000000000000c R09: 0000000000000000 R10: 0000000020bb5ff4 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000523 R14: 00000000006f7be8 R15: 0000000000000000 kauditd_printk_skb: 5 callbacks suppressed audit: type=1400 audit(1518780973.287:24): avc: denied { map } for pid=5309 comm="syz-executor7" path="/dev/ashmem" dev="devtmpfs" ino=1150 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:device_t:s0 tclass=chr_file permissive=1 mmap: syz-executor6 (5331) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt. audit: type=1400 audit(1518780973.325:25): avc: denied { setuid } for pid=5329 comm="syz-executor5" capability=7 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1518780973.437:26): avc: denied { create } for pid=5350 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_netfilter_socket permissive=1 audit: type=1400 audit(1518780973.464:27): avc: denied { map_read map_write } for pid=5345 comm="syz-executor7" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 audit: type=1400 audit(1518780973.469:28): avc: denied { write } for pid=5350 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_netfilter_socket permissive=1 xt_limit: Overflow, try lower: 2147483648/64 syz-executor0 (5394): attempted to duplicate a private mapping with mremap. This is not supported. audit: type=1400 audit(1518780973.613:29): avc: denied { prog_load } for pid=5395 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=bpf permissive=1 audit: type=1400 audit(1518780973.640:30): avc: denied { dac_read_search } for pid=5395 comm="syz-executor5" capability=2 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 audit: type=1400 audit(1518780973.717:31): avc: denied { map } for pid=5428 comm="syz-executor7" path="socket:[14614]" dev="sockfs" ino=14614 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_tcpdiag_socket permissive=1 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=35 sclass=netlink_tcpdiag_socket pig=5429 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=35 sclass=netlink_tcpdiag_socket pig=5438 comm=syz-executor7 audit: type=1400 audit(1518780974.004:32): avc: denied { map } for pid=5513 comm="syz-executor6" path=2F6D656D66643A706F7369785F61636C5F616363657373202864656C6574656429 dev="tmpfs" ino=14691 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:tmpfs_t:s0 tclass=file permissive=1 netlink: 'syz-executor2': attribute type 1 has an invalid length. syz-executor4 uses obsolete (PF_INET,SOCK_PACKET) device eql entered promiscuous mode audit: type=1400 audit(1518780974.223:33): avc: denied { write } for pid=5584 comm="syz-executor1" name="net" dev="proc" ino=14798 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=dir permissive=1 xt_connbytes: Forcing CT accounting to be enabled sctp: [Deprecated]: syz-executor2 (pid 5714) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead SELinux: unrecognized netlink message: protocol=0 nlmsg_type=2 sclass=netlink_route_socket pig=5716 comm=syz-executor5 sctp: [Deprecated]: syz-executor2 (pid 5721) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor2 (pid 5714) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor2 (pid 5733) Use of int in maxseg socket option. Use struct sctp_assoc_value instead netlink: 'syz-executor3': attribute type 1 has an invalid length. netlink: 'syz-executor3': attribute type 1 has an invalid length. xt_policy: neither incoming nor outgoing policy selected xt_policy: neither incoming nor outgoing policy selected binder: 5868:5873 BC_FREE_BUFFER u0000000020000000 matched unreturned buffer binder_alloc: 5868:5873 FREE_BUFFER u0000000020000000 user freed buffer twice binder: 5868:5873 BC_FREE_BUFFER u0000000020000000 no match binder: BINDER_SET_CONTEXT_MGR already set binder: 5868:5887 ioctl 40046207 0 returned -16 binder_alloc: 5868: binder_alloc_buf, no vma binder: 5868:5887 transaction failed 29189/-3, size 0-0 line 2957 binder: 5868:5873 BC_FREE_BUFFER u0000000020000000 no match binder: undelivered TRANSACTION_ERROR: 29189 binder: release 5868:5873 transaction 2 out, still active binder: undelivered TRANSACTION_COMPLETE binder: send failed reply for transaction 2, target dead binder: 5929 RLIMIT_NICE not set binder: 5926:5929 unknown command 536907575 binder: 5947 RLIMIT_NICE not set binder: 5926:5929 ioctl c0306201 20008fd0 returned -22 sctp: [Deprecated]: syz-executor6 (pid 6022) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor6 (pid 6022) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead ipt_CLUSTERIP: ipt_CLUSTERIP is deprecated and it will removed soon, use xt_cluster instead xt_CT: netfilter: NOTRACK target is deprecated, use CT instead or upgrade iptables xt_addrtype: output interface limitation not valid in PREROUTING and INPUT xt_addrtype: output interface limitation not valid in PREROUTING and INPUT binder: 6193:6197 got transaction with invalid offset (4, min 0 max 40) or object. binder: 6193:6197 transaction failed 29201/-22, size 40-8 line 3020 binder: BINDER_SET_CONTEXT_MGR already set binder: 6193:6210 ioctl 40046207 0 returned -16 binder_alloc: 6193: binder_alloc_buf, no vma binder: 6193:6210 transaction failed 29189/-3, size 40-8 line 2957 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29201 sctp: [Deprecated]: syz-executor6 (pid 6221) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor6 (pid 6221) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead binder_alloc: 6356: binder_alloc_buf, no vma binder: 6356:6366 transaction failed 29189/-3, size 0-0 line 2957 binder: BINDER_SET_CONTEXT_MGR already set binder: 6356:6371 ioctl 40046207 0 returned -16 binder_alloc: 6356: binder_alloc_buf, no vma binder: 6356:6366 transaction failed 29189/-3, size 0-0 line 2957 binder: undelivered TRANSACTION_ERROR: 29189 binder: undelivered TRANSACTION_ERROR: 29189 do_dccp_getsockopt: sockopt(PACKET_SIZE) is deprecated: fix your app autofs4:pid:6473:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.64), cmd(0x0000937e) autofs4:pid:6473:validate_dev_ioctl: invalid device control module version supplied for cmd(0x0000937e) BUG: sleeping function called from invalid context at mm/slab.h:420 in_atomic(): 1, irqs_disabled(): 0, pid: 6478, name: syz-executor0 INFO: lockdep is turned off. CPU: 0 PID: 6478 Comm: syz-executor0 Not tainted 4.16.0-rc1+ #314 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 ___might_sleep+0x2b2/0x470 kernel/sched/core.c:6133 __might_sleep+0x95/0x190 kernel/sched/core.c:6086 slab_pre_alloc_hook mm/slab.h:420 [inline] slab_alloc mm/slab.c:3365 [inline] kmem_cache_alloc_trace+0x299/0x740 mm/slab.c:3605 kmalloc include/linux/slab.h:512 [inline] kzalloc include/linux/slab.h:701 [inline] rds_loop_conn_alloc+0xc8/0x380 net/rds/loop.c:126 __rds_conn_create+0x112f/0x1b50 net/rds/connection.c:227 rds_conn_create_outgoing+0x3f/0x50 net/rds/connection.c:309 rds_sendmsg+0xda3/0x2390 net/rds/send.c:1126 sock_sendmsg_nosec net/socket.c:630 [inline] sock_sendmsg+0xca/0x110 net/socket.c:640 ___sys_sendmsg+0x767/0x8b0 net/socket.c:2046 __sys_sendmsg+0xe5/0x210 net/socket.c:2080 SYSC_sendmsg net/socket.c:2091 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2087 do_syscall_64+0x280/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453a59 RSP: 002b:00007fce64c19c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fce64c1a6d4 RCX: 0000000000453a59 RDX: 0000000000000000 RSI: 000000002096dfc8 RDI: 0000000000000013 RBP: 000000000071bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004a7 R14: 00000000006f7048 R15: 0000000000000000 autofs4:pid:6473:check_dev_ioctl_version: ioctl control interface version mismatch: kernel(1.1), user(1.64), cmd(0x0000937e) autofs4:pid:6473:validate_dev_ioctl: invalid device control module version supplied for cmd(0x0000937e) IPv4: Oversized IP packet from 127.0.0.1 device syz3 entered promiscuous mode capability: warning: `syz-executor6' uses deprecated v2 capabilities in a way that may be insecure device syz3 left promiscuous mode mmap: syz-executor5 (6722): VmData 1916928 exceed data ulimit 127. Update limits or use boot option ignore_rlimit_data. TCP: request_sock_TCPv6: Possible SYN flooding on port 20006. Sending cookies. Check SNMP counters. kauditd_printk_skb: 15 callbacks suppressed audit: type=1400 audit(1518780978.579:49): avc: denied { create } for pid=6758 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 audit: type=1400 audit(1518780978.582:50): avc: denied { setopt } for pid=6758 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 FAULT_FLAG_ALLOW_RETRY missing 20 CPU: 0 PID: 6749 Comm: syz-executor4 Tainted: G W 4.16.0-rc1+ #314 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 handle_userfault+0xbd9/0x2500 fs/userfaultfd.c:430 shmem_getpage_gfp+0x2a07/0x37e0 mm/shmem.c:1729 shmem_fault+0x2b9/0x960 mm/shmem.c:1997 __do_fault+0xeb/0x315 mm/memory.c:3238 do_read_fault mm/memory.c:3648 [inline] do_fault mm/memory.c:3748 [inline] handle_pte_fault mm/memory.c:3979 [inline] __handle_mm_fault+0x1d8f/0x3ce0 mm/memory.c:4103 handle_mm_fault+0x35c/0x970 mm/memory.c:4140 faultin_page mm/gup.c:502 [inline] __get_user_pages+0x50c/0x15f0 mm/gup.c:699 __get_user_pages_locked mm/gup.c:910 [inline] get_user_pages_unlocked+0x244/0x4f0 mm/gup.c:990 get_user_pages_fast+0x1b4/0x340 mm/gup.c:1822 get_futex_key+0x461/0x1d50 kernel/futex.c:547 futex_wait_setup+0xca/0x3d0 kernel/futex.c:2577 futex_wait+0x317/0x9a0 kernel/futex.c:2640 do_futex+0x11ec/0x22a0 kernel/futex.c:3527 SYSC_futex kernel/futex.c:3587 [inline] SyS_futex+0x260/0x390 kernel/futex.c:3555 do_syscall_64+0x280/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x453a59 RSP: 002b:00007f2f246ebc68 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f2f246ec6d4 RCX: 0000000000453a59 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020012ffc RBP: 000000000071bea0 R08: 00000000203cfffc R09: 0000000000000000 R10: 0000000020060ff0 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000000a2 R14: 00000000006f0fd0 R15: 0000000000000000 xt_CT: You must specify a L4 protocol, and not use inversions on it. audit: type=1400 audit(1518780979.826:51): avc: denied { map } for pid=6877 comm="syz-executor5" path="/selinux/relabel" dev="selinuxfs" ino=8 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:security_t:s0 tclass=file permissive=1 xt_CT: You must specify a L4 protocol, and not use inversions on it. capability: warning: `syz-executor1' uses 32-bit capabilities (legacy support in use) syz2: Invalid MTU 0 requested, hw min 68 syz2: Invalid MTU 0 requested, hw min 68 audit: type=1400 audit(1518780980.162:52): avc: denied { relabelto } for pid=6964 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:udev_var_run_t:s0 tclass=packet permissive=1 audit: type=1400 audit(1518780980.191:53): avc: denied { send } for pid=6964 comm="syz-executor2" saddr=::1 src=20010 daddr=::1 dest=20010 netif=lo scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:udev_var_run_t:s0 tclass=packet permissive=1 audit: type=1400 audit(1518780980.191:54): avc: denied { recv } for pid=6964 comm="syz-executor2" saddr=::1 src=20010 daddr=::1 dest=20010 netif=lo scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:udev_var_run_t:s0 tclass=packet permissive=1 audit: type=1400 audit(1518780980.193:55): avc: denied { send } for pid=6964 comm="syz-executor2" saddr=::1 src=20010 daddr=::1 dest=20010 netif=lo scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:udev_var_run_t:s0 tclass=packet permissive=1 syz-executor6 (7035) used greatest stack depth: 16336 bytes left rfkill: input handler disabled syz-executor5 (7115) used greatest stack depth: 15728 bytes left rfkill: input handler enabled audit: type=1400 audit(1518780980.830:56): avc: denied { getrlimit } for pid=7164 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=process permissive=1 audit: type=1326 audit(1518780980.830:57): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=7160 comm="syz-executor4" exe="/root/syz-executor4" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453a59 code=0x7ffc0000 binder: 7275:7276 BC_INCREFS_DONE u0000000000000000 no match syz1: Invalid MTU -2 requested, hw min 68 binder: 7275:7288 BC_INCREFS_DONE u0000000000000000 no match binder: 7372 RLIMIT_NICE not set binder: 7372 RLIMIT_NICE not set binder: 7371:7376 tried to acquire reference to desc 0, got 1 instead binder: 7371:7376 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 7371:7372 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 binder: 7372 RLIMIT_NICE not set binder: 7371:7376 BC_DEAD_BINDER_DONE 0000000000000003 not found binder: 7371:7372 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0 binder: 7372 RLIMIT_NICE not set binder: undelivered death notification, 0000000000000000 ipt_REJECT: TCP_RESET invalid for non-tcp futex_wake_op: syz-executor5 tries to shift op by -1; fix this program ipt_REJECT: TCP_RESET invalid for non-tcp futex_wake_op: syz-executor5 tries to shift op by -1; fix this program binder: 7444:7457 BC_ACQUIRE_DONE u0000000000000000 no match