5a378cfa45b5dcb0f4a84ac7a20f68ddb40c529b88da28bcd51c5bdc00dfa7710d1f5d4076731c22b338a22d7eb914fc8a9f56c674fdd8e6f7bb90534c27786f6d3d0d8e977dd0705e02250d43a85052fb0a9", 0x63}, {&(0x7f0000000140)}, {&(0x7f0000000180)="69d0d460601b2dd541de20671f7172d2bcdfecc1bf10323d8f6e577e1e9ec07753e0da7b18cc8d1733b0ebb7d945500ae6946a926fe622775094a70d2d3e60c78a33a3ad6117e7a0fadc580982b8cf5af701cd3d7eae34e16e05765ec96503a93ef613db66d672fca9ef155b8bd50e1cca2608b1d1ed1c6d9018214e742a6fb0f3679d4ad45729fb2431ce", 0x8b}], 0x3, &(0x7f00000005c0)=ANY=[@ANYBLOB="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"], 0x2f0, 0x10}, 0x20008000) r1 = socket$inet(0x10, 0x3, 0x0) sendmsg(r1, &(0x7f000000ffc8)={0x0, 0x0, &(0x7f0000003000)=[{&(0x7f0000000000)="260000002000030207fffd73ffffff188100000003000000031d8568647ba3a2d188637e57e4", 0x26}], 0x1}, 0x0) clock_gettime(0x0, &(0x7f0000008900)) 16:58:35 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f90023", 0xe) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004500)=@rc, 0x80, &(0x7f0000004640), 0x0, &(0x7f0000004680)=""/160, 0x52}}, {{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x147, &(0x7f0000004b40)=""/206, 0xce}}], 0x2, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:35 executing program 7: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$can_raw(0x1d, 0x3, 0x1) r1 = syz_open_dev$adsp(&(0x7f0000000040)='/dev/adsp#\x00', 0x8, 0x70000) ioctl$KVM_S390_UCAS_UNMAP(r1, 0x4018ae51, &(0x7f0000000080)={0x5b7d, 0x81, 0x9ceb}) r2 = dup3(0xffffffffffffffff, r0, 0x80000) ioctl$BLKIOOPT(r2, 0x1279, &(0x7f00000000c0)) 16:58:35 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x4000, 0x0) write$cgroup_pid(r2, &(0x7f0000000080), 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r3 = syz_open_pts(r1, 0x2) r4 = dup3(r3, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r4, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) 16:58:35 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000180f30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:35 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a600800000000000000ec03540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 700.879682] netlink: 10 bytes leftover after parsing attributes in process `syz-executor2'. [ 700.917213] netlink: 10 bytes leftover after parsing attributes in process `syz-executor2'. 16:58:35 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = syz_open_dev$dspn(&(0x7f000000bff6)='/dev/dsp#\x00', 0x1, 0x4) ioctl$int_in(r1, 0x800000c0045005, &(0x7f0000595ff8)=0x80) writev(r1, &(0x7f0000000080)=[{&(0x7f00000000c0)='U', 0x1}], 0x1) close(r1) 16:58:35 executing program 1 (fault-call:4 fault-nth:14): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 700.999954] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:35 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a60080000000004e2200683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 701.096328] FAULT_INJECTION: forcing a failure. [ 701.096328] name failslab, interval 1, probability 0, space 0, times 0 [ 701.107768] CPU: 0 PID: 14090 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 701.115234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 701.124605] Call Trace: [ 701.127200] dump_stack+0x1c9/0x2b4 [ 701.130833] ? dump_stack_print_info.cold.2+0x52/0x52 [ 701.136054] ? __save_stack_trace+0x8d/0xf0 [ 701.140379] should_fail.cold.4+0xa/0x1a [ 701.144434] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 701.149526] ? zap_class+0x740/0x740 [ 701.153237] ? sctp_copy_local_addr_list+0x499/0x690 [ 701.158344] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 701.164047] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 701.168877] ? sctp_sendmsg+0x18a2/0x1d90 [ 701.173021] ? inet_sendmsg+0x1a1/0x690 [ 701.176986] ? sock_sendmsg+0xd5/0x120 [ 701.180874] ? __sys_sendto+0x3d7/0x670 [ 701.184846] ? __x64_sys_sendto+0xe1/0x1a0 [ 701.189076] ? do_syscall_64+0x1b9/0x820 [ 701.193564] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 701.198942] ? graph_lock+0x170/0x170 [ 701.202739] ? print_usage_bug+0xc0/0xc0 [ 701.206802] ? print_usage_bug+0xc0/0xc0 [ 701.211935] ? graph_lock+0x170/0x170 [ 701.215732] ? find_held_lock+0x36/0x1c0 [ 701.219790] ? lock_downgrade+0x8f0/0x8f0 [ 701.223946] __should_failslab+0x124/0x180 [ 701.228188] should_failslab+0x9/0x14 [ 701.231994] kmem_cache_alloc_trace+0x4b/0x780 [ 701.236660] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 701.241149] sctp_add_bind_addr+0x101/0x4b0 [ 701.245466] ? sctp_bind_addr_free+0x20/0x20 [ 701.249974] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 701.255168] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 701.260348] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 701.265374] sctp_copy_local_addr_list+0x499/0x690 [ 701.270298] ? sctp_defaults_init+0xe70/0xe70 [ 701.274787] ? get_random_bytes+0x34/0x40 [ 701.278940] ? sctp_association_new+0x19e0/0x2190 [ 701.283781] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 701.288967] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 701.294509] sctp_copy_one_addr+0x5d/0x170 [ 701.298736] ? sctp_copy_one_addr+0x5d/0x170 [ 701.303135] sctp_bind_addr_copy+0x173/0x47c [ 701.307536] ? sctp_copy_one_addr+0x170/0x170 [ 701.312105] ? sctp_autobind+0x16d/0x1f0 [ 701.316154] ? zap_class+0x740/0x740 [ 701.319858] ? sctp_do_bind+0x5f0/0x5f0 [ 701.323841] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 701.329457] ? security_sctp_bind_connect+0x99/0xc0 [ 701.334729] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 701.339390] ? sctp_sendmsg+0x1278/0x1d90 [ 701.343542] ? sctp_autobind+0x1f0/0x1f0 [ 701.347681] ? __local_bh_enable_ip+0x161/0x230 [ 701.352343] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 701.357345] ? lock_sock_nested+0x9f/0x120 [ 701.361579] ? trace_hardirqs_on+0xd/0x10 [ 701.365717] ? __local_bh_enable_ip+0x161/0x230 [ 701.370379] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 701.375916] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 701.381295] sctp_sendmsg+0x18a2/0x1d90 [ 701.385268] ? do_raw_spin_unlock+0xa7/0x2f0 [ 701.389671] ? sctp_id2assoc+0x3e0/0x3e0 [ 701.393820] ? _raw_spin_unlock_bh+0x30/0x40 [ 701.398234] ? __release_sock+0x3a0/0x3a0 [ 701.402381] inet_sendmsg+0x1a1/0x690 [ 701.406170] ? ipip_gro_receive+0x100/0x100 [ 701.410507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 701.416039] ? security_socket_sendmsg+0x94/0xc0 [ 701.420959] ? ipip_gro_receive+0x100/0x100 [ 701.425267] sock_sendmsg+0xd5/0x120 [ 701.428971] __sys_sendto+0x3d7/0x670 [ 701.432767] ? __ia32_sys_getpeername+0xb0/0xb0 [ 701.437425] ? wait_for_completion+0x8d0/0x8d0 [ 701.442098] ? __sb_end_write+0xac/0xe0 [ 701.446060] ? fput+0x130/0x1a0 [ 701.449328] ? ksys_write+0x1ae/0x260 [ 701.453324] ? __ia32_sys_read+0xb0/0xb0 [ 701.457374] ? syscall_slow_exit_work+0x500/0x500 [ 701.462208] __x64_sys_sendto+0xe1/0x1a0 [ 701.466266] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 701.471270] do_syscall_64+0x1b9/0x820 [ 701.475159] ? finish_task_switch+0x1d3/0x890 [ 701.479644] ? syscall_return_slowpath+0x5e0/0x5e0 [ 701.484571] ? syscall_return_slowpath+0x31d/0x5e0 [ 701.489497] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 701.494869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 701.499705] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 701.504884] RIP: 0033:0x455ab9 [ 701.508063] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 701.527311] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 701.535129] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 16:58:36 executing program 7: r0 = socket$inet6(0xa, 0x803, 0x2) ioctl(r0, 0x3b, &(0x7f0000000100)="295ee1311f16f477671070") r1 = syz_open_dev$mice(&(0x7f00000000c0)='/dev/input/mice\x00', 0x0, 0x0) r2 = socket$inet6(0xa, 0x1, 0x0) ioctl(r2, 0x4000008912, &(0x7f0000000000)="295ee1311f16f477671070") fcntl$setstatus(r1, 0x4, 0x2000) r3 = socket(0x10, 0x80002, 0x0) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000800)={'veth1_to_bond\x00', 0x0}) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000000040)={&(0x7f0000000080)=@bridge_newneigh={0x28, 0x1c, 0x401, 0x0, 0x0, {0x2, 0x0, 0x0, r4}, [@NDA_DST_MAC={0xc, 0x1, @link_local={0x1, 0x80, 0xc2}}]}, 0x28}, 0x1}, 0x0) sendmmsg$alg(r3, &(0x7f0000000140)=[{0x0, 0x0, &(0x7f0000000100), 0x0, &(0x7f0000000100)}], 0x492492492492805, 0x0) [ 701.542387] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 701.549648] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 701.556910] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 701.564185] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 000000000000000e [ 701.584834] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:36 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x1000000000000000, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:36 executing program 1 (fault-call:4 fault-nth:15): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:36 executing program 7: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts-twofish-avx\x00'}, 0x58) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000300)='/dev/qat_adf_ctl\x00', 0x40002, 0x0) r2 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000280)={&(0x7f00000002c0)="78740000000000000000000000000100", r1}, 0x1a5) r3 = syz_genetlink_get_family_id$fou(&(0x7f0000000140)='fou\x00') sendmsg$FOU_CMD_ADD(r2, &(0x7f0000000240)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000200)={&(0x7f0000000180)={0x34, r3, 0x100, 0x3f, 0x25dfdbfe, {0x1}, [@FOU_ATTR_IPPROTO={0x8, 0x3, 0x62}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x7f}, @FOU_ATTR_TYPE={0x8, 0x4, 0x1}, @FOU_ATTR_AF={0x8, 0x2, 0x2}]}, 0x34}, 0x1}, 0x4000) socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00000001c0)="0a0775b0005406abec0000005c54db060000f0df8217ad40050000040000c85b", 0x20) 16:58:36 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(aes-generic)\x00'}, 0x58) r1 = accept4(r0, 0x0, &(0x7f0000000100), 0x0) r2 = socket$inet6(0xa, 0x1, 0x0) ioctl(r2, 0x404000008912, &(0x7f0000000400)="2957e1311f16f477671070") setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000c18000)="ad56b6c5820fae9d6dcd3292ea54c7beef915d564c90c200", 0x18) sendto$unix(r1, &(0x7f0000000080), 0x127, 0x0, 0x0, 0x0) recvfrom$unix(r1, &(0x7f0000000140)=""/220, 0xdc, 0x0, &(0x7f00000002c0)=@abs, 0x709000) 16:58:36 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a600800000000000f000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:36 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000100f30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:36 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f90023", 0xe) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004500)=@rc, 0x80, &(0x7f0000004640), 0x0, &(0x7f0000004680)=""/160, 0x52}}, {{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x147, &(0x7f0000004b40)=""/206, 0xce}}], 0x2, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 701.806891] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 701.828378] FAULT_INJECTION: forcing a failure. [ 701.828378] name failslab, interval 1, probability 0, space 0, times 0 [ 701.839782] CPU: 0 PID: 14108 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 701.847164] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 701.856548] Call Trace: [ 701.859158] dump_stack+0x1c9/0x2b4 [ 701.862813] ? dump_stack_print_info.cold.2+0x52/0x52 [ 701.868021] ? __save_stack_trace+0x8d/0xf0 [ 701.872372] should_fail.cold.4+0xa/0x1a [ 701.876452] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 701.881571] ? save_stack+0x43/0xd0 [ 701.885215] ? kasan_kmalloc+0xc4/0xe0 [ 701.889112] ? kmem_cache_alloc_trace+0x152/0x780 [ 701.893968] ? sctp_add_bind_addr+0x101/0x4b0 [ 701.898476] ? sctp_copy_local_addr_list+0x499/0x690 16:58:36 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a60080000000005d0900683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 701.903587] ? sctp_copy_one_addr+0x5d/0x170 [ 701.908008] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 701.913732] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 701.918592] ? sctp_sendmsg+0x18a2/0x1d90 [ 701.922761] ? inet_sendmsg+0x1a1/0x690 [ 701.926751] ? sock_sendmsg+0xd5/0x120 [ 701.930657] ? __sys_sendto+0x3d7/0x670 [ 701.934647] ? __x64_sys_sendto+0xe1/0x1a0 [ 701.938894] ? do_syscall_64+0x1b9/0x820 [ 701.942960] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 701.948316] ? graph_lock+0x170/0x170 [ 701.952104] ? print_usage_bug+0xc0/0xc0 [ 701.956162] ? print_usage_bug+0xc0/0xc0 [ 701.960216] ? graph_lock+0x170/0x170 [ 701.964007] ? find_held_lock+0x36/0x1c0 [ 701.968063] ? lock_downgrade+0x8f0/0x8f0 [ 701.972201] __should_failslab+0x124/0x180 [ 701.976440] should_failslab+0x9/0x14 [ 701.980231] kmem_cache_alloc_trace+0x4b/0x780 [ 701.984799] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 701.989375] sctp_add_bind_addr+0x101/0x4b0 [ 701.993683] ? sctp_bind_addr_free+0x20/0x20 [ 701.998086] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 702.003268] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 702.008459] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 702.013467] sctp_copy_local_addr_list+0x499/0x690 [ 702.018386] ? sctp_defaults_init+0xe70/0xe70 [ 702.022868] ? get_random_bytes+0x34/0x40 [ 702.027002] ? sctp_association_new+0x19e0/0x2190 [ 702.031842] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 702.037028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.042553] sctp_copy_one_addr+0x5d/0x170 [ 702.046772] ? sctp_copy_one_addr+0x5d/0x170 [ 702.051170] sctp_bind_addr_copy+0x173/0x47c [ 702.055564] ? sctp_copy_one_addr+0x170/0x170 [ 702.060044] ? sctp_autobind+0x16d/0x1f0 [ 702.064183] ? sctp_do_bind+0x5f0/0x5f0 [ 702.068145] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 702.073670] ? security_sctp_bind_connect+0x99/0xc0 [ 702.078673] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 702.083327] ? sctp_sendmsg+0x1278/0x1d90 [ 702.087463] ? sctp_autobind+0x1f0/0x1f0 [ 702.091511] ? __local_bh_enable_ip+0x161/0x230 [ 702.096168] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 702.101171] ? lock_sock_nested+0x9f/0x120 [ 702.105392] ? trace_hardirqs_on+0xd/0x10 [ 702.109525] ? __local_bh_enable_ip+0x161/0x230 [ 702.114185] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 702.119705] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 702.124886] sctp_sendmsg+0x18a2/0x1d90 [ 702.128845] ? do_raw_spin_unlock+0xa7/0x2f0 [ 702.133241] ? sctp_id2assoc+0x3e0/0x3e0 [ 702.137289] ? _raw_spin_unlock_bh+0x30/0x40 [ 702.141682] ? __release_sock+0x3a0/0x3a0 [ 702.145825] inet_sendmsg+0x1a1/0x690 [ 702.149612] ? ipip_gro_receive+0x100/0x100 [ 702.153926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 702.159451] ? security_socket_sendmsg+0x94/0xc0 [ 702.164204] ? ipip_gro_receive+0x100/0x100 [ 702.168515] sock_sendmsg+0xd5/0x120 [ 702.172218] __sys_sendto+0x3d7/0x670 [ 702.176009] ? __ia32_sys_getpeername+0xb0/0xb0 [ 702.180671] ? wait_for_completion+0x8d0/0x8d0 [ 702.185245] ? __lock_is_held+0xb5/0x140 [ 702.189300] ? __sb_end_write+0xac/0xe0 [ 702.193275] ? fput+0x130/0x1a0 [ 702.196543] ? ksys_write+0x1ae/0x260 [ 702.200333] ? __ia32_sys_read+0xb0/0xb0 [ 702.204385] ? syscall_slow_exit_work+0x500/0x500 [ 702.209233] __x64_sys_sendto+0xe1/0x1a0 [ 702.213286] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 702.218316] do_syscall_64+0x1b9/0x820 [ 702.222194] ? finish_task_switch+0x1d3/0x890 [ 702.226726] ? syscall_return_slowpath+0x5e0/0x5e0 [ 702.231658] ? syscall_return_slowpath+0x31d/0x5e0 [ 702.236577] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 702.241939] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 702.246788] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 702.251967] RIP: 0033:0x455ab9 [ 702.255140] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 702.274396] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 702.282094] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 702.289349] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 702.296605] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c 16:58:36 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000040f30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:36 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f00000000c0)=0x1000) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0x2200, 0x0) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) ioctl$sock_netdev_private(r3, 0x89f2, &(0x7f0000000180)="51f1bd0875fa1bfebf32771f79ba595c6ba530e831b6c969f6fd2c47c367ea92967cecc3f627ca136111df2689421b1b225d5248c6d1bcf071ee1ab18854af9e108258b4da268083a99cd42fa026b051c89e9766075df30798fbecaa89d6f8e721c5abd0749e5c2810c3e8c87811e0d1861828bc76696ec634e43a0de113a4391b6f1ed581d742b5bde0e8851b4b53d00a6e0cda903558") timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) signalfd(r2, &(0x7f0000000080)={0x8}, 0x8) [ 702.303871] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 702.311129] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 000000000000000f [ 702.333878] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:36 executing program 7: r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000300)={&(0x7f0000000040)={0x10}, 0x1, &(0x7f0000000000)={&(0x7f00000003c0)=@ipv4_newrule={0x3c, 0x20, 0x703, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x18}, [@FRA_GENERIC_POLICY=@FRA_OIFNAME={0x14, 0x11, 'erspan0\x00'}, @FRA_FLOW={0x8, 0xb, 0x2}]}, 0xfffffffffffffdc0}, 0x1}, 0x24008801) 16:58:36 executing program 2: syz_emit_ethernet(0x2a, &(0x7f0000000080)=ANY=[@ANYBLOB="aaaaaaaaaaaa000000000000080000000000009078ac2314aaac1414000000000000089078"], &(0x7f00000000c0)) getxattr(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=@known='security.capability\x00', &(0x7f0000000100)=""/175, 0xaf) setxattr(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000200)=@random={'system.', '%self\x00'}, &(0x7f0000000240)='security.capability\x00', 0x14, 0x1) r0 = socket(0x10, 0x4, 0x4) lsetxattr(&(0x7f0000000340)='./file0\x00', &(0x7f0000000380)=@known='com.apple.system.Security\x00', &(0x7f00000003c0)='security.capability\x00', 0x14, 0x2) getpeername$unix(r0, &(0x7f0000000280), &(0x7f0000000300)=0x6e) 16:58:36 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a60080000000003b6b00683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:36 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba0000000d0f30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:36 executing program 2: capset(&(0x7f0000000140)={0x20071026}, &(0x7f0000000180)) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000000)=0x0) capset(&(0x7f0000000040)={0x399f1736, r0}, &(0x7f0000000080)={0xffffffff, 0x87, 0x7fffffff, 0x2d, 0x40000000000, 0xfffffffffffffeff}) r1 = syz_open_dev$mice(&(0x7f00000000c0)='/dev/input/mice\x00', 0x0, 0x200000) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f0000000100), &(0x7f00000001c0)=0x4) socket$xdp(0x2c, 0x3, 0x0) 16:58:36 executing program 7: r0 = socket$nl_generic(0x10, 0x3, 0x10) getuid() ioctl$SNDRV_CTL_IOCTL_PVERSION(0xffffffffffffffff, 0x80045500, &(0x7f00000002c0)) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, &(0x7f00000001c0)=0x1c, 0x4) socketpair(0x2, 0x2, 0xee8d, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$VT_WAITACTIVE(r1, 0x5607) ioctl$KVM_KVMCLOCK_CTRL(r1, 0xaead) getsockopt$inet_sctp_SCTP_EVENTS(r1, 0x84, 0xb, &(0x7f0000000040), &(0x7f0000000080)=0xb) socket$l2tp(0x18, 0x1, 0x1) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffffff, 0x84, 0x73, &(0x7f0000000300)={0x0, 0x100, 0x0, 0x0, 0xfffffffffffffffc}, &(0x7f0000000340)=0x18) [ 702.554081] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:37 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0xffff000000000000, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:37 executing program 2: r0 = socket$packet(0x11, 0x3, 0x300) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000040)={'veth0_to_team\x00', 0x0}) setsockopt$sock_int(r0, 0x1, 0xd47f4fe5a4285c1b, &(0x7f00000000c0)=0xc, 0x1) r2 = semget(0x0, 0x7, 0x200001000000349) semctl$GETNCNT(r2, 0x1, 0xe, &(0x7f0000000000)=""/46) sendto$packet(r0, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000000080)={0x11, 0x0, r1, 0x1, 0x0, 0x6}, 0x14) sendto$packet(r0, &(0x7f0000000180), 0x0, 0x4044001, &(0x7f0000000240)={0x11, 0x0, r1, 0x1, 0x3, 0x6}, 0x14) 16:58:37 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f90023", 0xe) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004500)=@rc, 0x80, &(0x7f0000004640), 0x0, &(0x7f0000004680)=""/160, 0x52}}, {{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x147, &(0x7f0000004b40)=""/206, 0xce}}], 0x2, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:37 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000224e00683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:37 executing program 7: r0 = syz_open_dev$dspn(&(0x7f0000000100)='/dev/dsp#\x00', 0xb, 0x3) readv(r0, &(0x7f0000000140)=[{&(0x7f0000006f07)=""/249, 0xff50}], 0x333) getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000000)=@assoc_id=0x0, &(0x7f0000000080)=0x4) getsockopt$inet_sctp6_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000280)={r1, 0xcd, "4e7c22805a88c10d5925933b47a58575bd21b70e26c4834656aa6b35c0978c649aec2c71aeabf1f0d555d5d0317d21cca0d023594264a798847b325b223d06d69c8bcb926cf523efd944e4a4a13dcdad47570bfa222d54700f0e74e2ef2e8d48f8e239978725990ac1d3fffe7ac870347b0c20a73ec86df61777129325dc2a4a694464eceb5e38cd8f131501fc42ec61f9920b372f47aa63d1193356d7a214710a2fb58434552bc4bf23ebdad9677c8dc9d89e57c58146e6245261d5aacedcfaa70ac11a7d709823db926f4a72"}, &(0x7f00000000c0)=0xd5) fcntl$setstatus(r0, 0x4, 0x20000000800) readv(r0, &(0x7f0000a6fff0)=[{&(0x7f0000000180)=""/110, 0xfffffec7}], 0x1000000000000258) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000240)="0047fc2f07d82c99240970") ioctl$int_in(r0, 0x80000000005001, &(0x7f0000003ff8)) close(r0) 16:58:37 executing program 1 (fault-call:4 fault-nth:16): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:37 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000001530baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 702.832600] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 702.845546] FAULT_INJECTION: forcing a failure. [ 702.845546] name failslab, interval 1, probability 0, space 0, times 0 [ 702.856950] CPU: 1 PID: 14188 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 702.864322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 702.873674] Call Trace: [ 702.876265] dump_stack+0x1c9/0x2b4 [ 702.879905] ? dump_stack_print_info.cold.2+0x52/0x52 [ 702.885088] ? __save_stack_trace+0x8d/0xf0 [ 702.889400] should_fail.cold.4+0xa/0x1a [ 702.893467] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 702.898558] ? save_stack+0x43/0xd0 [ 702.902179] ? kasan_kmalloc+0xc4/0xe0 [ 702.906112] ? kmem_cache_alloc_trace+0x152/0x780 [ 702.910942] ? sctp_add_bind_addr+0x101/0x4b0 [ 702.915535] ? sctp_copy_local_addr_list+0x499/0x690 [ 702.920708] ? sctp_copy_one_addr+0x5d/0x170 [ 702.925154] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 702.930855] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 702.935688] ? sctp_sendmsg+0x18a2/0x1d90 [ 702.939828] ? inet_sendmsg+0x1a1/0x690 [ 702.943790] ? sock_sendmsg+0xd5/0x120 [ 702.947680] ? __sys_sendto+0x3d7/0x670 [ 702.951640] ? __x64_sys_sendto+0xe1/0x1a0 [ 702.955861] ? do_syscall_64+0x1b9/0x820 [ 702.959910] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 702.965289] ? graph_lock+0x170/0x170 [ 702.969090] ? print_usage_bug+0xc0/0xc0 [ 702.973140] ? print_usage_bug+0xc0/0xc0 [ 702.977189] ? graph_lock+0x170/0x170 [ 702.980976] ? find_held_lock+0x36/0x1c0 [ 702.985034] ? lock_downgrade+0x8f0/0x8f0 [ 702.989170] __should_failslab+0x124/0x180 [ 702.993499] should_failslab+0x9/0x14 [ 702.997294] kmem_cache_alloc_trace+0x4b/0x780 [ 703.001865] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 703.006374] sctp_add_bind_addr+0x101/0x4b0 [ 703.010680] ? sctp_bind_addr_free+0x20/0x20 [ 703.015073] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 703.020253] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 703.025428] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 703.030434] sctp_copy_local_addr_list+0x499/0x690 [ 703.035353] ? sctp_defaults_init+0xe70/0xe70 [ 703.040952] ? get_random_bytes+0x34/0x40 [ 703.045093] ? sctp_association_new+0x19e0/0x2190 [ 703.049931] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 703.055111] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 703.060634] sctp_copy_one_addr+0x5d/0x170 [ 703.064872] ? sctp_copy_one_addr+0x5d/0x170 [ 703.069270] sctp_bind_addr_copy+0x173/0x47c [ 703.073678] ? sctp_copy_one_addr+0x170/0x170 [ 703.078159] ? sctp_autobind+0x16d/0x1f0 [ 703.082203] ? sctp_do_bind+0x5f0/0x5f0 [ 703.086166] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 703.091688] ? security_sctp_bind_connect+0x99/0xc0 [ 703.096693] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 703.101380] ? sctp_sendmsg+0x1278/0x1d90 [ 703.105516] ? sctp_autobind+0x1f0/0x1f0 [ 703.109564] ? __local_bh_enable_ip+0x161/0x230 [ 703.114222] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 703.119225] ? lock_sock_nested+0x9f/0x120 [ 703.123444] ? trace_hardirqs_on+0xd/0x10 [ 703.127578] ? __local_bh_enable_ip+0x161/0x230 [ 703.132237] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 703.137771] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 703.142974] sctp_sendmsg+0x18a2/0x1d90 [ 703.146946] ? do_raw_spin_unlock+0xa7/0x2f0 [ 703.151359] ? sctp_id2assoc+0x3e0/0x3e0 [ 703.155504] ? _raw_spin_unlock_bh+0x30/0x40 [ 703.159906] ? __release_sock+0x3a0/0x3a0 [ 703.164072] inet_sendmsg+0x1a1/0x690 [ 703.168309] ? ipip_gro_receive+0x100/0x100 [ 703.172806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 703.178338] ? security_socket_sendmsg+0x94/0xc0 [ 703.183100] ? ipip_gro_receive+0x100/0x100 [ 703.187422] sock_sendmsg+0xd5/0x120 [ 703.191128] __sys_sendto+0x3d7/0x670 [ 703.194926] ? __ia32_sys_getpeername+0xb0/0xb0 [ 703.199597] ? wait_for_completion+0x8d0/0x8d0 [ 703.204251] ? __lock_is_held+0xb5/0x140 [ 703.208340] ? __sb_end_write+0xac/0xe0 [ 703.212406] ? fput+0x130/0x1a0 [ 703.215670] ? ksys_write+0x1ae/0x260 [ 703.219458] ? __ia32_sys_read+0xb0/0xb0 [ 703.223507] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 703.229042] __x64_sys_sendto+0xe1/0x1a0 [ 703.233097] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 703.238104] do_syscall_64+0x1b9/0x820 [ 703.241976] ? finish_task_switch+0x1d3/0x890 [ 703.246458] ? syscall_return_slowpath+0x5e0/0x5e0 [ 703.251375] ? syscall_return_slowpath+0x31d/0x5e0 [ 703.256303] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 703.261666] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 703.266497] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 703.271683] RIP: 0033:0x455ab9 [ 703.274854] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 703.294105] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 703.301799] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 703.309054] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 703.316310] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 703.323583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 703.330842] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 0000000000000010 16:58:37 executing program 1 (fault-call:4 fault-nth:17): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:37 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, &(0x7f0000000ac0)={"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"}) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffffff, 0x84, 0x75, &(0x7f0000000300), &(0x7f0000000340)=0x8) r4 = syz_open_dev$mice(&(0x7f0000000040)='/dev/input/mice\x00', 0x0, 0x8000) ioctl$LOOP_SET_STATUS(r4, 0x4c02, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x3, 0x3, 0x2, 0x8, "6136c6b59ccbdbf87a6fa02660b9de0fe381440e76a216a2e5e779c07df506d708154d94c2ee61b2f1ac2a30c17045f264da575cddab2e62bd5fdf0f8c12d3da", "5b2b806364a389dc3007021ea9bb0ccfcf825447e069a0ff223bbbb25f723918", [0xffffffffffffffff, 0x81]}) ioctl$KVM_GET_DEVICE_ATTR(0xffffffffffffffff, 0x4018aee2, &(0x7f0000000180)={0x0, 0x0, 0x0, &(0x7f00000000c0)}) ioctl$KVM_SET_LAPIC(0xffffffffffffffff, 0x4400ae8f, &(0x7f00000012c0)={"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"}) ioctl$KVM_RUN(r3, 0xae80, 0x0) r5 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000)='/dev/hwrng\x00', 0x200, 0x0) ioctl$ASHMEM_GET_SIZE(r5, 0x7704, 0x0) [ 703.442743] FAULT_INJECTION: forcing a failure. [ 703.442743] name failslab, interval 1, probability 0, space 0, times 0 [ 703.454151] CPU: 1 PID: 14213 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 703.461531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 703.470903] Call Trace: [ 703.473610] dump_stack+0x1c9/0x2b4 [ 703.477273] ? dump_stack_print_info.cold.2+0x52/0x52 [ 703.482488] ? __save_stack_trace+0x8d/0xf0 [ 703.486842] should_fail.cold.4+0xa/0x1a [ 703.490935] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 703.496045] ? save_stack+0x43/0xd0 [ 703.499672] ? kasan_kmalloc+0xc4/0xe0 [ 703.503561] ? kmem_cache_alloc_trace+0x152/0x780 [ 703.508399] ? sctp_add_bind_addr+0x101/0x4b0 [ 703.512898] ? sctp_copy_local_addr_list+0x499/0x690 [ 703.517987] ? sctp_copy_one_addr+0x5d/0x170 [ 703.522404] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 703.528103] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 703.532932] ? sctp_sendmsg+0x18a2/0x1d90 [ 703.537069] ? inet_sendmsg+0x1a1/0x690 [ 703.541032] ? sock_sendmsg+0xd5/0x120 [ 703.544906] ? __sys_sendto+0x3d7/0x670 [ 703.548879] ? __x64_sys_sendto+0xe1/0x1a0 [ 703.553102] ? do_syscall_64+0x1b9/0x820 [ 703.557166] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 703.562523] ? graph_lock+0x170/0x170 [ 703.566325] ? print_usage_bug+0xc0/0xc0 [ 703.570376] ? print_usage_bug+0xc0/0xc0 [ 703.574425] ? graph_lock+0x170/0x170 [ 703.578211] ? find_held_lock+0x36/0x1c0 [ 703.582267] ? lock_downgrade+0x8f0/0x8f0 [ 703.586403] __should_failslab+0x124/0x180 [ 703.590630] should_failslab+0x9/0x14 [ 703.594431] kmem_cache_alloc_trace+0x4b/0x780 [ 703.599020] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 703.603508] sctp_add_bind_addr+0x101/0x4b0 [ 703.607818] ? sctp_bind_addr_free+0x20/0x20 [ 703.612213] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 703.617407] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 703.622588] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 703.627593] sctp_copy_local_addr_list+0x499/0x690 [ 703.632512] ? sctp_defaults_init+0xe70/0xe70 [ 703.636994] ? get_random_bytes+0x34/0x40 [ 703.641134] ? sctp_association_new+0x19e0/0x2190 [ 703.645978] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 703.651158] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 703.656683] sctp_copy_one_addr+0x5d/0x170 [ 703.660907] ? sctp_copy_one_addr+0x5d/0x170 [ 703.665313] sctp_bind_addr_copy+0x173/0x47c [ 703.669710] ? sctp_copy_one_addr+0x170/0x170 [ 703.674189] ? sctp_autobind+0x16d/0x1f0 [ 703.678321] ? sctp_do_bind+0x5f0/0x5f0 [ 703.682297] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 703.687824] ? security_sctp_bind_connect+0x99/0xc0 [ 703.692835] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 703.697490] ? sctp_sendmsg+0x1278/0x1d90 [ 703.701630] ? sctp_autobind+0x1f0/0x1f0 [ 703.705689] ? __local_bh_enable_ip+0x161/0x230 [ 703.710351] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 703.715362] ? lock_sock_nested+0x9f/0x120 [ 703.719581] ? trace_hardirqs_on+0xd/0x10 [ 703.723713] ? __local_bh_enable_ip+0x161/0x230 [ 703.728382] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 703.733909] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 703.739086] sctp_sendmsg+0x18a2/0x1d90 [ 703.743047] ? do_raw_spin_unlock+0xa7/0x2f0 [ 703.747442] ? sctp_id2assoc+0x3e0/0x3e0 [ 703.751585] ? _raw_spin_unlock_bh+0x30/0x40 [ 703.755982] ? __release_sock+0x3a0/0x3a0 [ 703.760125] inet_sendmsg+0x1a1/0x690 [ 703.763917] ? ipip_gro_receive+0x100/0x100 [ 703.768226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 703.773751] ? security_socket_sendmsg+0x94/0xc0 [ 703.778491] ? ipip_gro_receive+0x100/0x100 [ 703.782798] sock_sendmsg+0xd5/0x120 [ 703.786513] __sys_sendto+0x3d7/0x670 [ 703.790308] ? __ia32_sys_getpeername+0xb0/0xb0 [ 703.794966] ? wait_for_completion+0x8d0/0x8d0 [ 703.799539] ? __lock_is_held+0xb5/0x140 [ 703.803596] ? __sb_end_write+0xac/0xe0 [ 703.807559] ? fput+0x130/0x1a0 [ 703.810838] ? ksys_write+0x1ae/0x260 [ 703.814629] ? __ia32_sys_read+0xb0/0xb0 [ 703.818680] ? syscall_slow_exit_work+0x500/0x500 [ 703.823511] __x64_sys_sendto+0xe1/0x1a0 [ 703.827573] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 703.832578] do_syscall_64+0x1b9/0x820 [ 703.836450] ? finish_task_switch+0x1d3/0x890 [ 703.840943] ? syscall_return_slowpath+0x5e0/0x5e0 [ 703.845874] ? syscall_return_slowpath+0x31d/0x5e0 [ 703.850800] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 703.856160] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 703.860996] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 703.866181] RIP: 0033:0x455ab9 [ 703.869353] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 703.888596] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 703.896297] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 703.903554] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 703.910810] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 703.918069] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 703.925327] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 0000000000000011 16:58:38 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) mount(&(0x7f0000001180)='./file0\x00', &(0x7f00000011c0)='./file0\x00', &(0x7f0000001200)='fusectl\x00', 0x20, &(0x7f0000001240)="034f30b466003acd11b93dfedb0b94a21933d3267b8a7175de599ae7362cc836cf766da5a7d9340e202484d0823001d099be9e303926c702a418e540e9777a07d9bcf3080685acd864b4ad22b29ad3a1dd7fd3c1395582ee44a1705bb17da1ce6ea7bde64f46deecf4249447d00b8831bdd88339b5831a6430ec2dcfb145ad32478946d2bcbd13ec234dc89db265a3f61a0aa5eceed3a902bf3e66e3e3a09b5b0029447cb272d891fa9cb1a8503404c680f81862d8f044d6976ab568789be0ceb264f538a7634b6272ea690adcb24f") r2 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x0, 0x644000) r3 = inotify_add_watch(0xffffffffffffffff, &(0x7f0000000080)='./file0\x00', 0x400) inotify_rm_watch(r2, r3) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r4 = syz_open_pts(r1, 0x2) r5 = dup3(r4, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) getsockopt$inet_dccp_buf(r2, 0x21, 0xf, &(0x7f0000000180)=""/4096, &(0x7f00000000c0)=0x1000) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r5, &(0x7f0000000000)=ANY=[], 0x0) tkill(r0, 0x1000000000016) 16:58:38 executing program 7: r0 = socket(0x200000000000011, 0x4000000000080003, 0x0) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'sit0\x00', 0x0}) bind$packet(r0, &(0x7f0000000200)={0x11, 0x0, r1, 0x1, 0x0, 0x6, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff]}, 0x2b1) sendmmsg$inet_sctp(r0, &(0x7f0000871fc8)=[{&(0x7f000086c000)=@in6={0xa, 0x0, 0x2}, 0x1c, &(0x7f0000d1e000), 0x0, &(0x7f0000dda000)}], 0x492492492492510, 0x0) 16:58:38 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000001f00683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:38 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000001430baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:38 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r3 = syz_open_dev$midi(&(0x7f0000000000)='/dev/midi#\x00', 0x8bb2, 0x20100) ioctl$LOOP_CTL_GET_FREE(r3, 0x4c82) ioctl$KVM_GET_LAPIC(r2, 0x8400ae8e, &(0x7f0000000ac0)={"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"}) 16:58:38 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108", 0x15) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004500)=@rc, 0x80, &(0x7f0000004640), 0x0, &(0x7f0000004680)=""/160, 0x52}}, {{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x147, &(0x7f0000004b40)=""/206, 0xce}}], 0x2, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:38 executing program 1 (fault-call:4 fault-nth:18): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 704.050940] FAULT_INJECTION: forcing a failure. [ 704.050940] name failslab, interval 1, probability 0, space 0, times 0 [ 704.062428] CPU: 0 PID: 14227 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 704.069895] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 704.079336] Call Trace: [ 704.081933] dump_stack+0x1c9/0x2b4 [ 704.085559] ? dump_stack_print_info.cold.2+0x52/0x52 [ 704.090739] ? __save_stack_trace+0x8d/0xf0 [ 704.095059] should_fail.cold.4+0xa/0x1a [ 704.099114] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 704.104317] ? save_stack+0x43/0xd0 [ 704.107936] ? kasan_kmalloc+0xc4/0xe0 [ 704.111814] ? kmem_cache_alloc_trace+0x152/0x780 [ 704.116649] ? sctp_add_bind_addr+0x101/0x4b0 [ 704.121138] ? sctp_copy_local_addr_list+0x499/0x690 [ 704.126235] ? sctp_copy_one_addr+0x5d/0x170 [ 704.130645] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 704.136347] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 704.141178] ? sctp_sendmsg+0x18a2/0x1d90 [ 704.145316] ? inet_sendmsg+0x1a1/0x690 [ 704.149298] ? sock_sendmsg+0xd5/0x120 [ 704.153346] ? __sys_sendto+0x3d7/0x670 [ 704.157314] ? __x64_sys_sendto+0xe1/0x1a0 [ 704.161553] ? do_syscall_64+0x1b9/0x820 [ 704.165604] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 704.170959] ? graph_lock+0x170/0x170 [ 704.174752] ? print_usage_bug+0xc0/0xc0 [ 704.178800] ? print_usage_bug+0xc0/0xc0 [ 704.182869] ? graph_lock+0x170/0x170 [ 704.186663] ? find_held_lock+0x36/0x1c0 [ 704.190716] ? lock_downgrade+0x8f0/0x8f0 [ 704.194854] __should_failslab+0x124/0x180 [ 704.199081] should_failslab+0x9/0x14 [ 704.202877] kmem_cache_alloc_trace+0x4b/0x780 [ 704.207456] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 704.212651] ? __sanitizer_cov_trace_cmp2+0x18/0x20 [ 704.217658] sctp_add_bind_addr+0x101/0x4b0 [ 704.221973] ? sctp_bind_addr_free+0x20/0x20 [ 704.227597] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 704.232777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 704.238302] ? sctp_v4_scope+0x19b/0x1c0 [ 704.242439] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 704.247617] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 704.252626] sctp_copy_local_addr_list+0x499/0x690 [ 704.257556] ? sctp_defaults_init+0xe70/0xe70 [ 704.262050] ? get_random_bytes+0x34/0x40 [ 704.266186] ? sctp_association_new+0x19e0/0x2190 [ 704.271049] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 704.276228] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 704.281763] sctp_copy_one_addr+0x5d/0x170 [ 704.285999] ? sctp_copy_one_addr+0x5d/0x170 [ 704.290417] sctp_bind_addr_copy+0x173/0x47c [ 704.294825] ? sctp_copy_one_addr+0x170/0x170 [ 704.299329] ? sctp_autobind+0x16d/0x1f0 [ 704.303381] ? sctp_do_bind+0x5f0/0x5f0 [ 704.307348] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 704.312874] ? security_sctp_bind_connect+0x99/0xc0 [ 704.317895] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 704.322552] ? sctp_sendmsg+0x1278/0x1d90 [ 704.326711] ? sctp_autobind+0x1f0/0x1f0 [ 704.330763] ? __local_bh_enable_ip+0x161/0x230 [ 704.335420] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 704.340511] ? lock_sock_nested+0x9f/0x120 [ 704.344759] ? trace_hardirqs_on+0xd/0x10 [ 704.348902] ? __local_bh_enable_ip+0x161/0x230 [ 704.353566] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 704.359098] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 704.364278] sctp_sendmsg+0x18a2/0x1d90 [ 704.368241] ? do_raw_spin_unlock+0xa7/0x2f0 [ 704.372649] ? sctp_id2assoc+0x3e0/0x3e0 [ 704.376713] ? _raw_spin_unlock_bh+0x30/0x40 [ 704.381141] ? __release_sock+0x3a0/0x3a0 [ 704.385296] inet_sendmsg+0x1a1/0x690 [ 704.389085] ? ipip_gro_receive+0x100/0x100 [ 704.393411] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 704.398941] ? security_socket_sendmsg+0x94/0xc0 [ 704.403689] ? ipip_gro_receive+0x100/0x100 [ 704.408003] sock_sendmsg+0xd5/0x120 [ 704.411725] __sys_sendto+0x3d7/0x670 [ 704.415521] ? __ia32_sys_getpeername+0xb0/0xb0 [ 704.420200] ? wait_for_completion+0x8d0/0x8d0 [ 704.424777] ? __lock_is_held+0xb5/0x140 [ 704.428837] ? __sb_end_write+0xac/0xe0 [ 704.432809] ? fput+0x130/0x1a0 [ 704.436086] ? ksys_write+0x1ae/0x260 [ 704.439888] ? __ia32_sys_read+0xb0/0xb0 [ 704.443938] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 704.449466] __x64_sys_sendto+0xe1/0x1a0 [ 704.453517] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 704.458522] do_syscall_64+0x1b9/0x820 [ 704.462391] ? finish_task_switch+0x1d3/0x890 [ 704.467060] ? syscall_return_slowpath+0x5e0/0x5e0 [ 704.471999] ? syscall_return_slowpath+0x31d/0x5e0 [ 704.476925] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 704.482277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 704.487120] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 704.492295] RIP: 0033:0x455ab9 [ 704.495464] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 704.514698] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 704.522405] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 704.529663] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 704.536918] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 704.544171] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 16:58:39 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x4000000000000000, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:39 executing program 7: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x80000, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000016000/0x18000)=nil, &(0x7f00000000c0)=[@text32={0x20, &(0x7f0000000100)="c4e1d95f56a5f623653e672e3e660f3a424d0d0166b8ed000f00d00f0f3422a7c4e3496b610044b8010000000f01d9b805000000b9002000000f01c1f466ba4300ec", 0x42}], 0x1, 0x6c, &(0x7f00000001c0), 0x144) ioctl$KVM_SET_CPUID2(r2, 0x4008ae90, &(0x7f0000000000)=ANY=[@ANYBLOB="01000000000000000100008049e5a30c941e13d313af92c9c19341955cee2d3df1ac1c2e97f3e2b60b00000000000000000000"]) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 704.551425] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 0000000000000012 [ 704.571696] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:39 executing program 1 (fault-call:4 fault-nth:19): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:39 executing program 2: mlockall(0xfffffffffffffffd) r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$ARPT_SO_SET_ADD_COUNTERS(r0, 0x0, 0x61, &(0x7f0000000000)={'filter\x00', 0x4}, 0x68) 16:58:39 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a60080000000000000ffff3540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 704.706829] FAULT_INJECTION: forcing a failure. [ 704.706829] name failslab, interval 1, probability 0, space 0, times 0 [ 704.718253] CPU: 1 PID: 14248 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 704.725627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 704.735000] Call Trace: [ 704.737611] dump_stack+0x1c9/0x2b4 [ 704.741255] ? dump_stack_print_info.cold.2+0x52/0x52 [ 704.746453] ? __save_stack_trace+0x8d/0xf0 [ 704.750778] should_fail.cold.4+0xa/0x1a [ 704.754831] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 704.759941] ? save_stack+0x43/0xd0 [ 704.763552] ? kasan_kmalloc+0xc4/0xe0 [ 704.767424] ? kmem_cache_alloc_trace+0x152/0x780 [ 704.772253] ? sctp_add_bind_addr+0x101/0x4b0 [ 704.776735] ? sctp_copy_local_addr_list+0x499/0x690 [ 704.781820] ? sctp_copy_one_addr+0x5d/0x170 [ 704.786218] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 704.791912] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 704.796748] ? sctp_sendmsg+0x18a2/0x1d90 [ 704.800882] ? inet_sendmsg+0x1a1/0x690 [ 704.804843] ? sock_sendmsg+0xd5/0x120 [ 704.808723] ? __sys_sendto+0x3d7/0x670 [ 704.812686] ? __x64_sys_sendto+0xe1/0x1a0 [ 704.816910] ? do_syscall_64+0x1b9/0x820 [ 704.820959] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 704.826309] ? graph_lock+0x170/0x170 [ 704.830097] ? print_usage_bug+0xc0/0xc0 [ 704.834149] ? print_usage_bug+0xc0/0xc0 [ 704.838200] ? graph_lock+0x170/0x170 [ 704.841994] ? find_held_lock+0x36/0x1c0 [ 704.846054] ? lock_downgrade+0x8f0/0x8f0 [ 704.850202] __should_failslab+0x124/0x180 [ 704.854428] should_failslab+0x9/0x14 [ 704.858237] kmem_cache_alloc_trace+0x4b/0x780 [ 704.862823] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 704.867321] sctp_add_bind_addr+0x101/0x4b0 [ 704.871634] ? sctp_bind_addr_free+0x20/0x20 [ 704.876036] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 704.881215] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 704.886389] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 704.891403] sctp_copy_local_addr_list+0x499/0x690 [ 704.896319] ? sctp_defaults_init+0xe70/0xe70 [ 704.900828] ? get_random_bytes+0x34/0x40 [ 704.904968] ? sctp_association_new+0x19e0/0x2190 [ 704.909801] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 704.914975] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 704.920507] sctp_copy_one_addr+0x5d/0x170 [ 704.924736] ? sctp_copy_one_addr+0x5d/0x170 [ 704.929132] sctp_bind_addr_copy+0x173/0x47c [ 704.933526] ? sctp_copy_one_addr+0x170/0x170 [ 704.938023] ? sctp_autobind+0x16d/0x1f0 [ 704.942070] ? sctp_do_bind+0x5f0/0x5f0 [ 704.946037] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 704.951563] ? security_sctp_bind_connect+0x99/0xc0 [ 704.956574] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 704.961244] ? sctp_sendmsg+0x1278/0x1d90 [ 704.965383] ? sctp_autobind+0x1f0/0x1f0 [ 704.969433] ? __local_bh_enable_ip+0x161/0x230 [ 704.974092] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 704.979093] ? lock_sock_nested+0x9f/0x120 [ 704.983313] ? trace_hardirqs_on+0xd/0x10 [ 704.987449] ? __local_bh_enable_ip+0x161/0x230 [ 704.992103] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 704.997625] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 705.002800] sctp_sendmsg+0x18a2/0x1d90 [ 705.006846] ? do_raw_spin_unlock+0xa7/0x2f0 [ 705.011245] ? sctp_id2assoc+0x3e0/0x3e0 [ 705.015304] ? _raw_spin_unlock_bh+0x30/0x40 [ 705.019702] ? __release_sock+0x3a0/0x3a0 [ 705.023842] inet_sendmsg+0x1a1/0x690 [ 705.027630] ? ipip_gro_receive+0x100/0x100 [ 705.031941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.037464] ? security_socket_sendmsg+0x94/0xc0 [ 705.043341] ? ipip_gro_receive+0x100/0x100 [ 705.047656] sock_sendmsg+0xd5/0x120 [ 705.051359] __sys_sendto+0x3d7/0x670 [ 705.055149] ? __ia32_sys_getpeername+0xb0/0xb0 [ 705.059815] ? wait_for_completion+0x8d0/0x8d0 [ 705.064394] ? __lock_is_held+0xb5/0x140 [ 705.068453] ? __sb_end_write+0xac/0xe0 [ 705.072413] ? fput+0x130/0x1a0 [ 705.075682] ? ksys_write+0x1ae/0x260 [ 705.079468] ? __ia32_sys_read+0xb0/0xb0 [ 705.083513] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 705.089040] __x64_sys_sendto+0xe1/0x1a0 [ 705.093086] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 705.098092] do_syscall_64+0x1b9/0x820 [ 705.101978] ? finish_task_switch+0x1d3/0x890 [ 705.106460] ? syscall_return_slowpath+0x5e0/0x5e0 [ 705.111385] ? syscall_return_slowpath+0x31d/0x5e0 [ 705.116306] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 705.121656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 705.126490] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 705.131664] RIP: 0033:0x455ab9 [ 705.134842] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 16:58:39 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000a30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 705.154087] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 705.161784] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 705.169037] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 705.176291] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 705.183555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 705.190820] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 0000000000000013 16:58:39 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108", 0x15) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004500)=@rc, 0x80, &(0x7f0000004640), 0x0, &(0x7f0000004680)=""/160, 0x52}}, {{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x147, &(0x7f0000004b40)=""/206, 0xce}}], 0x2, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:39 executing program 1 (fault-call:4 fault-nth:20): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:39 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000002c0)='/proc/self/net/pfkey\x00', 0x401, 0x0) ioctl$IOC_PR_RESERVE(r1, 0x401070c9, &(0x7f0000000300)={0x8, 0x9}) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) poll(&(0x7f0000000380)=[{r1, 0x120}, {r1, 0x8000}, {r0, 0x1000}, {r1, 0x2}, {r0, 0x8}], 0x5, 0x54) recvfrom$inet(r3, &(0x7f0000000240)=""/28, 0x1c, 0x40, &(0x7f0000000280)={0x2, 0x4e20, @broadcast=0xffffffff}, 0x10) signalfd4(r2, &(0x7f0000000200)={0xc42}, 0x8, 0x0) recvfrom$inet(r2, &(0x7f0000000180)=""/75, 0x4b, 0x0, &(0x7f0000000080)={0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) sendmsg$nl_generic(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0xf503}, 0xc, &(0x7f0000000100)={&(0x7f0000000140)={0x14, 0x27, 0x1, 0x0, 0x0, {0x9}}, 0x14}, 0x1}, 0x0) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x25, &(0x7f0000000340)=0x40, 0x4) [ 705.276186] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 705.381058] FAULT_INJECTION: forcing a failure. [ 705.381058] name failslab, interval 1, probability 0, space 0, times 0 [ 705.392709] CPU: 1 PID: 14269 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 705.400148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 705.409616] Call Trace: [ 705.412267] dump_stack+0x1c9/0x2b4 [ 705.415954] ? dump_stack_print_info.cold.2+0x52/0x52 [ 705.421169] ? __save_stack_trace+0x8d/0xf0 [ 705.425540] should_fail.cold.4+0xa/0x1a [ 705.429638] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 705.435545] ? save_stack+0x43/0xd0 [ 705.439396] ? kasan_kmalloc+0xc4/0xe0 [ 705.443306] ? kmem_cache_alloc_trace+0x152/0x780 [ 705.448214] ? sctp_add_bind_addr+0x101/0x4b0 [ 705.452770] ? sctp_copy_local_addr_list+0x499/0x690 [ 705.457985] ? sctp_copy_one_addr+0x5d/0x170 [ 705.462405] ? print_usage_bug+0xc0/0xc0 [ 705.466478] ? sctp_sendmsg+0x18a2/0x1d90 [ 705.470733] ? inet_sendmsg+0x1a1/0x690 [ 705.474696] ? sock_sendmsg+0xd5/0x120 [ 705.478585] ? __sys_sendto+0x3d7/0x670 [ 705.482547] ? __x64_sys_sendto+0xe1/0x1a0 [ 705.486772] ? do_syscall_64+0x1b9/0x820 [ 705.490828] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 705.496272] ? graph_lock+0x170/0x170 [ 705.500066] ? print_usage_bug+0xc0/0xc0 [ 705.504119] ? print_usage_bug+0xc0/0xc0 [ 705.508166] ? graph_lock+0x170/0x170 [ 705.511959] ? find_held_lock+0x36/0x1c0 [ 705.516015] ? lock_downgrade+0x8f0/0x8f0 [ 705.520156] __should_failslab+0x124/0x180 [ 705.524383] should_failslab+0x9/0x14 [ 705.528192] kmem_cache_alloc_trace+0x4b/0x780 [ 705.532769] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 705.537276] sctp_add_bind_addr+0x101/0x4b0 [ 705.541592] ? sctp_bind_addr_free+0x20/0x20 [ 705.545992] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 705.551180] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 705.556359] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 705.561379] sctp_copy_local_addr_list+0x499/0x690 [ 705.566320] ? sctp_defaults_init+0xe70/0xe70 [ 705.570818] ? get_random_bytes+0x34/0x40 [ 705.574958] ? sctp_association_new+0x19e0/0x2190 [ 705.579800] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 705.584983] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.590525] sctp_copy_one_addr+0x5d/0x170 [ 705.594758] ? sctp_copy_one_addr+0x5d/0x170 [ 705.599169] sctp_bind_addr_copy+0x173/0x47c [ 705.603568] ? sctp_copy_one_addr+0x170/0x170 [ 705.608053] ? sctp_autobind+0x16d/0x1f0 [ 705.612290] ? sctp_do_bind+0x5f0/0x5f0 [ 705.616276] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 705.621819] ? security_sctp_bind_connect+0x99/0xc0 [ 705.626838] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 705.631493] ? sctp_sendmsg+0x1278/0x1d90 [ 705.635629] ? sctp_autobind+0x1f0/0x1f0 [ 705.639681] ? __local_bh_enable_ip+0x161/0x230 [ 705.644345] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 705.649356] ? lock_sock_nested+0x9f/0x120 [ 705.653602] ? trace_hardirqs_on+0xd/0x10 [ 705.657749] ? __local_bh_enable_ip+0x161/0x230 [ 705.662419] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 705.667946] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 705.673132] sctp_sendmsg+0x18a2/0x1d90 [ 705.677099] ? do_raw_spin_unlock+0xa7/0x2f0 [ 705.681498] ? sctp_id2assoc+0x3e0/0x3e0 [ 705.685567] ? _raw_spin_unlock_bh+0x30/0x40 [ 705.689967] ? __release_sock+0x3a0/0x3a0 [ 705.694121] inet_sendmsg+0x1a1/0x690 [ 705.697912] ? ipip_gro_receive+0x100/0x100 [ 705.702238] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 705.707767] ? security_socket_sendmsg+0x94/0xc0 [ 705.712510] ? ipip_gro_receive+0x100/0x100 [ 705.716917] sock_sendmsg+0xd5/0x120 [ 705.720617] __sys_sendto+0x3d7/0x670 [ 705.724408] ? __ia32_sys_getpeername+0xb0/0xb0 [ 705.729070] ? schedule+0xfb/0x450 [ 705.732620] ? __sb_end_write+0xac/0xe0 [ 705.736582] ? exit_to_usermode_loop+0x8c/0x370 [ 705.741241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 705.746765] ? exit_to_usermode_loop+0x1f4/0x370 [ 705.751512] ? syscall_slow_exit_work+0x500/0x500 [ 705.756615] __x64_sys_sendto+0xe1/0x1a0 [ 705.760864] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 705.765885] do_syscall_64+0x1b9/0x820 [ 705.769782] ? syscall_slow_exit_work+0x500/0x500 [ 705.774623] ? syscall_return_slowpath+0x5e0/0x5e0 [ 705.779538] ? syscall_return_slowpath+0x31d/0x5e0 [ 705.784457] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 705.789812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 705.794657] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 705.799851] RIP: 0033:0x455ab9 [ 705.803057] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 705.822387] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c 16:58:40 executing program 5: r0 = gettid() timer_create(0xfffffffffffffffd, &(0x7f0000044000)={0x0, 0x12, 0x5}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) 16:58:40 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000502400683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:40 executing program 7: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/kcm\x00\b\x00') perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmmsg(r0, &(0x7f0000000100)=[{{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="c9cb74321d5d4e2f3299afb88549ec9bf87b", 0x12}], 0x1, &(0x7f0000000200)=[{0xe8, 0x101, 0xfe4e, "c8ae8a15fff8249dcce7b7504f7a6c300446986ba36f4074b1f925a6d98fecce3f977e6d778c27fa741f9b6fb19a88d44e3b2159f315445c54c55537f24e87d60bc54990758dd8d15a51a3c4a620e9f3054145d99af3acb1f773a1914028e304e9af3f46a96016834113c389df0794950aa9a9d12bf5106ea731bbefdd824bd6ee5eae1580366d59d21ce6d8ae0c8de1f1505fead2554138a5bcd93e07c32c7c4f38826368f5bcff199a51c9775939adff045cb2cc66e7f5beb454350352fa8ae60e93a131ac0e23046bfa6db78bc0396ce4b172a4fc"}, {0x40, 0x0, 0x8, "fa1979c81ef5747225365b7eaecdbbbd8f896e190ab88a90892caf431adc1a7b6fb6dd39d6498869a9a2"}, {0x80, 0x11, 0x5, "3300d321b033c4906afda7fae6a1f19cd3fd05909cb1235dea157b2f64bc00bcb94b0e47af813cd9c733f42dcce4f78c42f7f67fe0d7c84ae9451036322b774992f6d8cd99d2f388a614d3b495cbe233ce8dd17d2d43381c0dab531427e27fb11f74c2b580bdc10980b9a0561a28"}, {0x70, 0x10d, 0x1, "056a897ef0984dd3314a0f0e1241a4881ac74aa9c73fe3b89364d1f4010bc56cfae79efd2bae0656b7b40f2d419414c59be138eecaba0f57cee0575ad72801732f4d771195c145fc9afb4b6274013ebecddc4a68a7c243ad82"}, {0x48, 0x116, 0x2, "51aad7666e9761ce1104988107434a2e925e5f847e16e7a7c9628479bcefe14284af3808a9aca7895604e17c4c5faef2ecd37ecfc03e61"}, {0x70, 0x19c, 0x7fff, "1994a9f73da7a9f1d1499eef8df82f3132da16993e7a4931f45e112090254740ff874d3e1fc7d9e17512341ae40dfbda025e92eefd6b65baabd9f58e40e59a127b9e72fc11f2df3c5ec2e63b3fe3677afd1e9700e9b0f5dd5d79"}, {0x90, 0x108, 0xfff, "ccaec2af3d5dd705c6a4121cc2c09de7e49cf62cdf6d6b92bb4424fe6dffc5a0b202380d8b28c6e12f97b695fd5e6f43c4d5278824c0408360c4b900a00c4d6b45d0332e1e2af95c6cb0a4abaf7c81cfced35ba5a58a56f689b4930c6c3c757eb51e5e28993e14d754b5a71ac53607c0979ba29513a6ec980c8483739a7330"}, {0x100, 0x10b, 0x0, "b84049ba02130480b85a1caa7794b83ca5f0d4e5453dd105748bc47cefb1a654dd2238891d6962dd0570801759ac1d829e4a3d93a12ac7a6f8740f3b2b9cffdc247ad6d1d6a7c86a5bad2f32a583f42b690d0232b39f302ff624a980f074e2d637e679a40298c2153c27743e159ffbe42433482cdeaf6bedcfa5906d5e200d21f5a6d33547e95795f9abf44e940a313eeda5129b8e36bad7249c40b321005e9e77f38b3e7cf2e4eb1f45b9de3dedc4af49d50abf14f00186dfa742c5165aab1aaa8df4db7da6689fd69db79d1a92aa3fe2efbbbe8ec37456ee22ef4e5295d94148f8dd613d8143211846c6976ac3de"}], 0x460, 0x10}, 0x5}], 0x1, 0x40) readv(r0, &(0x7f0000001680)=[{&(0x7f0000001480)=""/96, 0x200014e0}, {&(0x7f0000001500)=""/135, 0x87}], 0x2) 16:58:40 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x10000000, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:40 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000050f30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 705.830521] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 705.837778] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 705.845138] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 705.852586] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 705.859851] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 0000000000000014 16:58:40 executing program 1 (fault-call:4 fault-nth:21): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 705.925244] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:40 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x200000008912, &(0x7f0000000000)="025cc83d6d345f8f760070") r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000080)={0x26, 'skcipher\x00', 0x0, 0x0, 'xts-serpent-avx\x00'}, 0x58) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000ff8000), 0x0) r2 = accept$alg(r1, 0x0, 0x0) clock_gettime(0x0, &(0x7f0000000140)={0x0}) ppoll(&(0x7f0000000200)=[{r2}], 0x1, &(0x7f0000000180)={r3}, &(0x7f00000001c0), 0x8) recvfrom$unix(r1, &(0x7f0000000000)=""/111, 0x6f, 0x0, &(0x7f0000000540)=@file={0x1, './file0\x00'}, 0x79) [ 706.038561] FAULT_INJECTION: forcing a failure. [ 706.038561] name failslab, interval 1, probability 0, space 0, times 0 [ 706.049896] CPU: 0 PID: 14293 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 706.057351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 706.066829] Call Trace: [ 706.069446] dump_stack+0x1c9/0x2b4 [ 706.073119] ? dump_stack_print_info.cold.2+0x52/0x52 [ 706.078335] ? __save_stack_trace+0x8d/0xf0 [ 706.082690] should_fail.cold.4+0xa/0x1a [ 706.086775] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 706.091897] ? save_stack+0x43/0xd0 [ 706.095544] ? kasan_kmalloc+0xc4/0xe0 [ 706.099449] ? kmem_cache_alloc_trace+0x152/0x780 [ 706.104312] ? sctp_add_bind_addr+0x101/0x4b0 [ 706.108303] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 706.108819] ? sctp_copy_local_addr_list+0x499/0x690 [ 706.108838] ? sctp_copy_one_addr+0x5d/0x170 [ 706.108865] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 16:58:40 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000020000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:40 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000280)='/dev/loop#\x00', 0x0, 0x100082) r1 = memfd_create(&(0x7f0000000380)="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", 0x0) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) setsockopt$inet_group_source_req(r1, 0x0, 0x2e, &(0x7f0000000000)={0x9, {{0x2, 0x4e22, @broadcast=0xffffffff}}, {{0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0x13}}}}, 0x108) ioctl$LOOP_SET_STATUS64(r0, 0x4c04, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x12, 0x0, 0x0, "aea105cff1448d9b171416891550588dd6cadbc5cae8769c41ce8bda73b90550e9c527dc36aa9cc80b8b8e8bcdb1cdf233f700", "3295b1a2e6e3c801d70000721febd81648196997c61780b3e546d3cda407269a8f58afb1e04bd37b4100000000008000000000000700", "6de38ccad2efbcd832dd5d6a69b41720881550e07023c0ba5578b38ee5717a1b"}) 16:58:40 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108", 0x15) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004500)=@rc, 0x80, &(0x7f0000004640), 0x0, &(0x7f0000004680)=""/160, 0x52}}, {{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x147, &(0x7f0000004b40)=""/206, 0xce}}], 0x2, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 706.108883] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 706.139441] ? sctp_sendmsg+0x18a2/0x1d90 [ 706.143602] ? inet_sendmsg+0x1a1/0x690 [ 706.147583] ? sock_sendmsg+0xd5/0x120 [ 706.151478] ? __sys_sendto+0x3d7/0x670 [ 706.155465] ? __x64_sys_sendto+0xe1/0x1a0 [ 706.159712] ? do_syscall_64+0x1b9/0x820 [ 706.163786] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 706.169171] ? graph_lock+0x170/0x170 [ 706.173002] ? print_usage_bug+0xc0/0xc0 [ 706.177082] ? print_usage_bug+0xc0/0xc0 [ 706.181166] ? graph_lock+0x170/0x170 [ 706.185096] ? find_held_lock+0x36/0x1c0 [ 706.189191] ? lock_downgrade+0x8f0/0x8f0 [ 706.193356] __should_failslab+0x124/0x180 [ 706.197603] should_failslab+0x9/0x14 [ 706.201422] kmem_cache_alloc_trace+0x4b/0x780 [ 706.206038] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 706.210561] sctp_add_bind_addr+0x101/0x4b0 [ 706.214912] ? sctp_bind_addr_free+0x20/0x20 [ 706.219338] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 706.224543] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 706.229758] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 706.234787] sctp_copy_local_addr_list+0x499/0x690 [ 706.239710] ? sctp_defaults_init+0xe70/0xe70 [ 706.244190] ? get_random_bytes+0x34/0x40 [ 706.248325] ? sctp_association_new+0x19e0/0x2190 [ 706.253160] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 706.258337] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.263868] sctp_copy_one_addr+0x5d/0x170 [ 706.268089] ? sctp_copy_one_addr+0x5d/0x170 [ 706.272485] sctp_bind_addr_copy+0x173/0x47c [ 706.276884] ? sctp_copy_one_addr+0x170/0x170 [ 706.281371] ? sctp_autobind+0x16d/0x1f0 [ 706.285418] ? sctp_do_bind+0x5f0/0x5f0 [ 706.289392] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 706.294917] ? security_sctp_bind_connect+0x99/0xc0 [ 706.299925] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 706.304576] ? sctp_sendmsg+0x1278/0x1d90 [ 706.308713] ? sctp_autobind+0x1f0/0x1f0 [ 706.312759] ? __local_bh_enable_ip+0x161/0x230 [ 706.317414] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 706.322415] ? lock_sock_nested+0x9f/0x120 [ 706.326634] ? trace_hardirqs_on+0xd/0x10 [ 706.330766] ? __local_bh_enable_ip+0x161/0x230 [ 706.335419] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 706.340940] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 706.346117] sctp_sendmsg+0x18a2/0x1d90 [ 706.350074] ? do_raw_spin_unlock+0xa7/0x2f0 [ 706.354474] ? sctp_id2assoc+0x3e0/0x3e0 [ 706.358521] ? _raw_spin_unlock_bh+0x30/0x40 [ 706.362918] ? __release_sock+0x3a0/0x3a0 [ 706.367058] inet_sendmsg+0x1a1/0x690 [ 706.370869] ? ipip_gro_receive+0x100/0x100 [ 706.375178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.380708] ? security_socket_sendmsg+0x94/0xc0 [ 706.385448] ? ipip_gro_receive+0x100/0x100 [ 706.389759] sock_sendmsg+0xd5/0x120 [ 706.393471] __sys_sendto+0x3d7/0x670 [ 706.397262] ? __ia32_sys_getpeername+0xb0/0xb0 [ 706.401930] ? wait_for_completion+0x8d0/0x8d0 [ 706.406501] ? __lock_is_held+0xb5/0x140 [ 706.410558] ? __sb_end_write+0xac/0xe0 [ 706.414519] ? fput+0x130/0x1a0 [ 706.417787] ? ksys_write+0x1ae/0x260 [ 706.421573] ? __ia32_sys_read+0xb0/0xb0 [ 706.425714] ? syscall_slow_exit_work+0x500/0x500 [ 706.430547] __x64_sys_sendto+0xe1/0x1a0 [ 706.434622] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 706.439627] do_syscall_64+0x1b9/0x820 [ 706.443501] ? finish_task_switch+0x1d3/0x890 [ 706.447982] ? syscall_return_slowpath+0x5e0/0x5e0 [ 706.452899] ? syscall_return_slowpath+0x31d/0x5e0 [ 706.457840] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 706.463209] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 706.468048] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 706.473224] RIP: 0033:0x455ab9 16:58:40 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000080f30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 706.476393] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 706.495635] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 706.503352] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 706.510605] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 706.517866] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 706.525122] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 706.532377] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 0000000000000015 16:58:41 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000030000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:41 executing program 1 (fault-call:4 fault-nth:22): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 706.645285] FAULT_INJECTION: forcing a failure. [ 706.645285] name failslab, interval 1, probability 0, space 0, times 0 [ 706.656684] CPU: 0 PID: 14322 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 706.664060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 706.673446] Call Trace: [ 706.676069] dump_stack+0x1c9/0x2b4 [ 706.679754] ? dump_stack_print_info.cold.2+0x52/0x52 [ 706.681540] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:41 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000400100683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 706.684980] ? __save_stack_trace+0x8d/0xf0 [ 706.685008] should_fail.cold.4+0xa/0x1a [ 706.685029] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 706.685045] ? save_stack+0x43/0xd0 [ 706.685062] ? kasan_kmalloc+0xc4/0xe0 [ 706.685083] ? kmem_cache_alloc_trace+0x152/0x780 [ 706.721230] ? sctp_add_bind_addr+0x101/0x4b0 [ 706.725752] ? sctp_copy_local_addr_list+0x499/0x690 [ 706.730870] ? sctp_copy_one_addr+0x5d/0x170 [ 706.735300] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 706.741030] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 706.745874] ? sctp_sendmsg+0x18a2/0x1d90 [ 706.750022] ? inet_sendmsg+0x1a1/0x690 [ 706.754006] ? sock_sendmsg+0xd5/0x120 [ 706.757899] ? __sys_sendto+0x3d7/0x670 [ 706.761886] ? __x64_sys_sendto+0xe1/0x1a0 [ 706.766131] ? do_syscall_64+0x1b9/0x820 [ 706.770196] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 706.775552] ? graph_lock+0x170/0x170 [ 706.779347] ? print_usage_bug+0xc0/0xc0 [ 706.783418] ? print_usage_bug+0xc0/0xc0 [ 706.787464] ? graph_lock+0x170/0x170 [ 706.791251] ? find_held_lock+0x36/0x1c0 [ 706.795306] ? lock_downgrade+0x8f0/0x8f0 [ 706.799458] __should_failslab+0x124/0x180 [ 706.803684] should_failslab+0x9/0x14 [ 706.807469] kmem_cache_alloc_trace+0x4b/0x780 [ 706.812052] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 706.817239] ? __sanitizer_cov_trace_cmp2+0x18/0x20 [ 706.822247] sctp_add_bind_addr+0x101/0x4b0 [ 706.826557] ? sctp_bind_addr_free+0x20/0x20 [ 706.830950] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 706.836125] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 706.841650] ? sctp_v4_scope+0x19b/0x1c0 [ 706.845698] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 706.850885] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 706.855890] sctp_copy_local_addr_list+0x499/0x690 [ 706.860810] ? sctp_defaults_init+0xe70/0xe70 [ 706.865290] ? get_random_bytes+0x34/0x40 [ 706.869425] ? sctp_association_new+0x19e0/0x2190 [ 706.874256] ? alloc_counters.isra.11+0xb7/0x840 [ 706.878998] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 706.884182] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 706.889709] sctp_copy_one_addr+0x5d/0x170 [ 706.893930] ? sctp_copy_one_addr+0x5d/0x170 [ 706.898334] sctp_bind_addr_copy+0x173/0x47c [ 706.902726] ? sctp_copy_one_addr+0x170/0x170 [ 706.907205] ? sctp_autobind+0x16d/0x1f0 [ 706.911251] ? sctp_do_bind+0x5f0/0x5f0 [ 706.915216] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 706.920736] ? security_sctp_bind_connect+0x99/0xc0 [ 706.925737] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 706.930388] ? sctp_sendmsg+0x1278/0x1d90 [ 706.934521] ? sctp_autobind+0x1f0/0x1f0 [ 706.938567] ? __local_bh_enable_ip+0x161/0x230 [ 706.943222] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 706.948231] ? lock_sock_nested+0x9f/0x120 [ 706.952462] ? trace_hardirqs_on+0xd/0x10 [ 706.956593] ? __local_bh_enable_ip+0x161/0x230 [ 706.961251] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 706.966773] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 706.972043] sctp_sendmsg+0x18a2/0x1d90 [ 706.976007] ? do_raw_spin_unlock+0xa7/0x2f0 [ 706.980409] ? sctp_id2assoc+0x3e0/0x3e0 [ 706.984456] ? _raw_spin_unlock_bh+0x30/0x40 [ 706.988858] ? __release_sock+0x3a0/0x3a0 [ 706.992998] inet_sendmsg+0x1a1/0x690 [ 706.996794] ? ipip_gro_receive+0x100/0x100 [ 707.001102] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.006641] ? security_socket_sendmsg+0x94/0xc0 [ 707.011382] ? ipip_gro_receive+0x100/0x100 [ 707.015959] sock_sendmsg+0xd5/0x120 [ 707.019669] __sys_sendto+0x3d7/0x670 [ 707.023455] ? __ia32_sys_getpeername+0xb0/0xb0 [ 707.028112] ? wait_for_completion+0x8d0/0x8d0 [ 707.032682] ? __lock_is_held+0xb5/0x140 [ 707.036735] ? __sb_end_write+0xac/0xe0 [ 707.040704] ? fput+0x130/0x1a0 [ 707.043973] ? ksys_write+0x1ae/0x260 [ 707.047759] ? __ia32_sys_read+0xb0/0xb0 [ 707.051810] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 707.057336] __x64_sys_sendto+0xe1/0x1a0 [ 707.061396] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 707.066583] do_syscall_64+0x1b9/0x820 [ 707.070462] ? syscall_slow_exit_work+0x500/0x500 [ 707.075303] ? syscall_return_slowpath+0x5e0/0x5e0 [ 707.080218] ? syscall_return_slowpath+0x31d/0x5e0 [ 707.085135] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 707.090490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.095320] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 707.100495] RIP: 0033:0x455ab9 [ 707.103666] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 707.122903] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 707.130600] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 707.137852] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 16:58:41 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) signalfd4(r0, &(0x7f0000000140)={0x4}, 0x8, 0x80800) r1 = open(&(0x7f0000000080)='./file0\x00', 0x100, 0xd) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_TEMPO(r1, 0xc02c5341, &(0x7f00000000c0)) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000000), 0x19) [ 707.145112] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 707.152373] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 707.159638] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 0000000000000016 16:58:41 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000150f30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:41 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100", 0x18) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004500)=@rc, 0x80, &(0x7f0000004640), 0x0, &(0x7f0000004680)=""/160, 0x52}}, {{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x147, &(0x7f0000004b40)=""/206, 0xce}}], 0x2, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:41 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0xa}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000)=ANY=[], 0x0) tkill(r0, 0x1000000000016) 16:58:41 executing program 7: r0 = socket$inet6(0xa, 0x3, 0x100000001) read(r0, &(0x7f0000001cc0)=""/225, 0xfffffffffffffe93) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000280)={0x90000000}) sendmmsg(r0, &(0x7f0000000100)=[{{&(0x7f0000000040)=@nl=@unspec, 0x80, &(0x7f00000005c0)=[{&(0x7f00000002c0)="76de2b336945139f181be7b6873bf8bf743345ac83aed0dbb252f328184d9a03b17544338da95714fdd58d2f324f2f302d2bd83cf0cc8f70e1a942b3e786c563cc0ecf2d16fe4ae26b59f99ce12eb6b1fd84684d217df411540ec2380a0be00f32a1050c414c370198f99c7483fe92cef4069b7019166588506ed12149e22cf41d21553eac686c0aa9c4e6dfe358d996ee41c30ff6ea55fd5a49552a4e13fa8fa2e136bd5ca4af58a5735f6a83cd8f5ae10dd9fd40b5f7a202f0837c2fa36f8d79995b944069ba99353c70fbe55b430d84d06b6064f370176090287e1c85", 0xde}, {&(0x7f0000000140)="844949936b392f0d7cfdd7ad68f31ffb7bdaee6b722b4b869017dc3f48faeaf146a80ac7587be23bfdb939133a3bd9ee768362aea604b944e9935359fa9e81cf693823feeccd68d2eeb7d3ac8234f7119769b2e923628e9c52ceda02baf6cb1ee1d47fb55e2955acda43864723679d1e0fe9906d775492ec0d32fff110f169e14dfd608dc7f84fcab91d781de63a3e869227cd6e19437eeba0c92892992c7f8243d6ddd35793bb672113830e48bd204293190579", 0xb4}, {&(0x7f00000003c0)="954bba14b1b58474c637b7fb63b9b6ca209ce7b1de4fd643618e99d42023636e3f3e8e5f4a8406c381b15b3fab51f1ccf37495e6dba3c2e882ac7b3d49a46a4a29ce8a37c24fa327205a6830eb16ed59ceedbec930fe1bd42204472f882b8226f7bed1f054c6d058417191541c3664508d8807d339f5850f9254b524527723826d5ad6d1167096083c4a951ee7b61271fa059c3481bb18b5c65e6859f8494b6fcf71f93474f05b32ee3bae97651f74011235609265774b4be9ad7b264614fd3a1cfab38bf4aa07f4e9872c09b0de1593a9e43b98d3021dac45916b803deffbd75a5a1770587bc02ef8000000000000000000000000", 0xf5}, {&(0x7f0000000600)="c85cacad1c12cd9fe6039c1064c66a940e21ed5062461b78bdd700a4b3b093e33a25c4bc1f498537aadb75aaa9eae95ab65294309ee0616f9b6fd8372ad4ce82989275b8f7b0c568565444e267082585eedc9fced07cf50cd755d2937016a6a87cbd0e9c2b40e2014257293714f47e121663c5e67dece5cf327e9d32315ad8935fb3227e6b525ceb5cf28f798b4f6898f49c0cee10b993e1de1ca39647cdfbcbda15c11a007e4ca983885b95c5b39d41026a4aa7b1ed64e5e185f696aeeee2145f2434243adb419c44bb0408387237359989abc77fc86bb143cd6330855f24e855", 0x197}], 0x1000000000000091, &(0x7f0000000400)}}], 0x1, 0x0) r2 = memfd_create(&(0x7f0000000000)='-/}selinux\'ppp0.-\x00', 0x2) ioctl$SNDRV_SEQ_IOCTL_DELETE_PORT(r2, 0x40a85321, &(0x7f00000004c0)={{0x2, 0x3}, 'port0\x00', 0x4, 0x400, 0x536, 0x9, 0x1, 0x5, 0x3, 0x0, 0x6, 0x4}) [ 707.224593] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:41 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0xffff0000, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:41 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0xffefffffffffff7f) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000e33fe0)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000080)={0x0, 0x0, 0x30}, 0xc) setsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(r1, 0x84, 0x7b, &(0x7f0000000100)={0x0, 0x2}, 0x8) syz_open_dev$sndctrl(&(0x7f0000000000)='/dev/snd/controlC#\x00', 0x1ff, 0x200) write$binfmt_aout(r1, &(0x7f00000002c0)=ANY=[@ANYBLOB='\x00'], 0x1) write$binfmt_misc(r1, &(0x7f0000000240)={'syz1'}, 0x34000) 16:58:41 executing program 1 (fault-call:4 fault-nth:23): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:41 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000ad3700683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 707.390694] FAULT_INJECTION: forcing a failure. [ 707.390694] name failslab, interval 1, probability 0, space 0, times 0 [ 707.402099] CPU: 1 PID: 14361 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 707.409475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 707.415247] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 707.418828] Call Trace: [ 707.418855] dump_stack+0x1c9/0x2b4 [ 707.418878] ? dump_stack_print_info.cold.2+0x52/0x52 [ 707.418897] ? __save_stack_trace+0x8d/0xf0 [ 707.418918] should_fail.cold.4+0xa/0x1a [ 707.418939] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 707.454192] ? save_stack+0x43/0xd0 [ 707.457845] ? kasan_kmalloc+0xc4/0xe0 [ 707.461755] ? kmem_cache_alloc_trace+0x152/0x780 [ 707.466610] ? sctp_add_bind_addr+0x101/0x4b0 [ 707.471122] ? sctp_copy_local_addr_list+0x499/0x690 [ 707.476247] ? sctp_copy_one_addr+0x5d/0x170 [ 707.480676] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 707.486399] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 707.491255] ? sctp_sendmsg+0x18a2/0x1d90 [ 707.495414] ? inet_sendmsg+0x1a1/0x690 [ 707.499395] ? sock_sendmsg+0xd5/0x120 [ 707.503293] ? __sys_sendto+0x3d7/0x670 [ 707.507276] ? __x64_sys_sendto+0xe1/0x1a0 [ 707.511519] ? do_syscall_64+0x1b9/0x820 [ 707.515592] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 707.520973] ? graph_lock+0x170/0x170 [ 707.524782] ? print_usage_bug+0xc0/0xc0 [ 707.528870] ? print_usage_bug+0xc0/0xc0 [ 707.532942] ? graph_lock+0x170/0x170 [ 707.536752] ? find_held_lock+0x36/0x1c0 [ 707.540827] ? lock_downgrade+0x8f0/0x8f0 [ 707.544986] __should_failslab+0x124/0x180 [ 707.549230] should_failslab+0x9/0x14 [ 707.553042] kmem_cache_alloc_trace+0x4b/0x780 [ 707.557633] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 707.562136] sctp_add_bind_addr+0x101/0x4b0 [ 707.566450] ? sctp_bind_addr_free+0x20/0x20 [ 707.570853] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 707.576039] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 707.581222] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 707.586247] sctp_copy_local_addr_list+0x499/0x690 [ 707.591166] ? sctp_defaults_init+0xe70/0xe70 [ 707.595759] ? get_random_bytes+0x34/0x40 [ 707.599896] ? sctp_association_new+0x19e0/0x2190 [ 707.604735] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 707.609913] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.615446] sctp_copy_one_addr+0x5d/0x170 [ 707.619667] ? sctp_copy_one_addr+0x5d/0x170 [ 707.624066] sctp_bind_addr_copy+0x173/0x47c [ 707.628465] ? sctp_copy_one_addr+0x170/0x170 [ 707.632943] ? sctp_autobind+0x16d/0x1f0 [ 707.636992] ? sctp_do_bind+0x5f0/0x5f0 [ 707.640961] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 707.646501] ? security_sctp_bind_connect+0x99/0xc0 [ 707.651503] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 707.656166] ? sctp_sendmsg+0x1278/0x1d90 [ 707.660303] ? sctp_autobind+0x1f0/0x1f0 [ 707.664350] ? __local_bh_enable_ip+0x161/0x230 [ 707.669025] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 707.674029] ? lock_sock_nested+0x9f/0x120 [ 707.678247] ? trace_hardirqs_on+0xd/0x10 [ 707.682377] ? __local_bh_enable_ip+0x161/0x230 [ 707.687032] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 707.692555] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 707.697735] sctp_sendmsg+0x18a2/0x1d90 [ 707.701694] ? do_raw_spin_unlock+0xa7/0x2f0 [ 707.706092] ? sctp_id2assoc+0x3e0/0x3e0 [ 707.710145] ? _raw_spin_unlock_bh+0x30/0x40 [ 707.714549] ? __release_sock+0x3a0/0x3a0 [ 707.718691] inet_sendmsg+0x1a1/0x690 [ 707.722482] ? ipip_gro_receive+0x100/0x100 [ 707.726905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 707.732431] ? security_socket_sendmsg+0x94/0xc0 [ 707.737171] ? ipip_gro_receive+0x100/0x100 [ 707.741483] sock_sendmsg+0xd5/0x120 [ 707.745191] __sys_sendto+0x3d7/0x670 [ 707.748978] ? __ia32_sys_getpeername+0xb0/0xb0 [ 707.754167] ? wait_for_completion+0x8d0/0x8d0 [ 707.758752] ? __lock_is_held+0xb5/0x140 [ 707.762811] ? __sb_end_write+0xac/0xe0 [ 707.766772] ? fput+0x130/0x1a0 [ 707.770037] ? ksys_write+0x1ae/0x260 [ 707.773827] ? __ia32_sys_read+0xb0/0xb0 [ 707.777878] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 707.783407] __x64_sys_sendto+0xe1/0x1a0 [ 707.787457] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 707.792457] do_syscall_64+0x1b9/0x820 [ 707.796334] ? syscall_return_slowpath+0x5e0/0x5e0 [ 707.801252] ? syscall_return_slowpath+0x31d/0x5e0 [ 707.806176] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 707.811542] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 707.816376] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 707.821553] RIP: 0033:0x455ab9 16:58:41 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000095d00683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:42 executing program 2: r0 = syz_open_dev$sg(&(0x7f0000000040)='/dev/sg#\x00', 0x0, 0x0) readv(r0, &(0x7f0000000080)=[{&(0x7f0000000440)=""/128, 0x80}], 0x1) ioctl$SCSI_IOCTL_SEND_COMMAND(r0, 0x1, &(0x7f0000002540)=ANY=[@ANYBLOB="339fe1eb0e015ac2d15667a14b5ab210ff9e", @ANYPTR64=&(0x7f0000000300)=ANY=[@ANYPTR64=&(0x7f0000000000)=ANY=[@ANYRES16=r0, @ANYPTR, @ANYRES64=0x0, @ANYRES64=r0, @ANYPTR, @ANYPTR, @ANYRES64=r0], @ANYBLOB="7b55c2e3bf7876852ae006c5f9c0a9f776509c329f9ad0a7ec37aeb84d8a73353845256a08661f8180e14473bd78b0dda49979f7171271c976d7241c1345f1e5772c6fb706f422f478848512f0a5c6acaced36ef9fce0d8bc580cc3038764b4abef73217ea36dd2ef02ed816c7fdbdf6efbc1ea432cf5bb278163d9b2eeefb7cb9e5b135ca1f2570d26659da932b3c546b475b2779feffa4effcdcfe", @ANYRES16=r0, @ANYRES32=r0, @ANYRES32=r0, @ANYPTR64=&(0x7f00000001c0)=ANY=[@ANYRES32=r0, @ANYBLOB="e41ca3e19344466fcba451fa5adbb568b9c9169cc62abae200a54148616830717ce083be357580b2a8025994dc9548d6e3559d64ebd6716d980dc8a4c370890279cf7351468ba3d40e98c13860adff02e2699ccbccb549b4a6e99ef99aca8ea1a3b286e2db43772a534113a375da56208d30e0dd79517fd2c25f0350e05b5f246c9da792f0cb9d641c662a9d5a63a1f270f4692ffb5a4712", @ANYRES64=r0, @ANYPTR, @ANYPTR, @ANYBLOB="fc1141e81a2665df38c62a7639b8487109ea8a49d975622630397a1cafa12b6d5942bc1e876193656edaa2d31af7379a8ba50d76db4b72a992221a75cdd50372d71de978ee4f2798298a95c86c85774358984fafaef060e6377a13172247c29a8812900676fca0f023acae6f8f664ed5cb7d797adf7f10e4c2e4700996ebf885"], @ANYBLOB="47d9c3cc705c9b5f1dc1"], @ANYBLOB="48c213f08ec0ed02785ba5029a0946fa2365483cf2ef188b34ad7dfe7d139fd7ce30a836e4caf18405103fca1133fbf2283e35c64decda14a221a5e5c4f5602640beefa598901fa0eab5a97a", @ANYPTR=&(0x7f00000004c0)=ANY=[@ANYPTR=&(0x7f0000000100)=ANY=[@ANYRES32=r0, @ANYRES64=r0], @ANYRES64=r0, @ANYPTR64=&(0x7f0000000140)=ANY=[@ANYRES16=r0, @ANYPTR64], @ANYRES64=r0, @ANYBLOB="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"], @ANYRES64=r0, @ANYRES16, @ANYPTR64=&(0x7f0000001500)=ANY=[@ANYBLOB="202383fa576ed34ca3a384fbc4fa41d4b11bbfb0936cf6281cb9220dad5bd85af79866", @ANYRES16=r0, @ANYBLOB="ccf29fe4", @ANYBLOB="ac84fe1a3432ad1ecfa756d585b4c05ff3875f580abe7ad54cae6864bbb308857d98b9b181073f4bf9a98644d7cbf3793ecfd6871a0675afd3dac3620e74f0e830fddb61c48573efef386b3a1afd7a7b441a46964d41c2b39d23b6c536359b2d4a29a0d2f147f241a472b99f08a2c8737dbe03cbc2ac7d8b49415622ae0209abcc5855d4baf311dd8766a24e45dbd404bb204614899c73c33649f95b032b5b447ffd0af236506acd3faeb2099897e19eea172db0e5f64cbec4980d91b1bf00005789a738abb8c2cca8e7a81ba151bfa2f6ca69f000b20b1e5c7031c5a4a2ac77e0bf75271707d8d7aa86e8f7979e3c93f25d8ca514a1a31e0c9e07150b8a7497f61c3173a4a86d62c5fd7dbdeb6ac54968546e4ce62bb7757fa5e12d8122b303bf8612a794378e431a9494f939c06f569da9e167f0aa38c39022256ea8e9fe27fba91798920df1e5b78a584b5b3d5aca8f9c97565d36659becda2c687f663b09fba16994bec184ce64399e8c31b1aa15642989beacc14ec07656dd93bac16039c6edc7a1978ba25d4837592f72a67bd7eedbd6f46ecfd013e2a80cd1cc3d3e2f831718a6e0ea91475837fa2b5e3a0c999773252acf16c6aa12251bab7db8d8a62ed79c45354cd4a2b3807fe83994cf87f9495dbd2aa471f5a41da54bc3f2df2ac10d4a893b1623fc531871d07ba3c38b3a84524931a345e188a8f47a49975691dd35364411e4d5d4c5d22d36fd5c63843be418ea168eddb809f28e89caa3d2f56a14b3ba520a0e14572d881fa7a443d687bade807ae1da32c815598e3a0d718b154d3c4d5e18c7f1e59ed0814703e1968ea6a464eaa951f5b1aa2a3d602322074f8eb7cc890a55344342b0b21c40c52e915bf973523997d07ccc9d5a40393627ad1eda0bc6ec0d4869fc9bb45fad3b9e089c75e1a80d3b75380b9968a3638eacd4c93c9b79e2bfc04c4ee327cf47b8824acaae65e7a39d2f6b0efc3161f96756c237461671c2586a1dccc5234e452c556531a25ef2b3d71ee40aa22dea43409ce04e1d18b13c81f85c466cea2698f69a4a0822d325afda5a454c7375fcd6e843884477899a9c7184903ab28c112a3641a80ae51c3a5ea29a6dd363def6fe5dbb0de21dc4a3d95a86a0b20d2fda8a45c8bfd304b36c5e286a8488f32dc2541c2396fce2f58853b885b9b10cf02d76a164e8a1f351ef0237d48fedb3db0bbb9bd8b2bf19480d570c17f32f6815a8256c8a5bbddb9df7417fd4da247031d5d04484b5a3028eabe17cb16511c6d71aaf8fd3d08e85cab6feaf9d6a8f6b439e5dd536471f3408ee99f2f3ff9157f5a6fe2e1e496b1f9ad1df7eab9a79b7638d0a50b424b45e6c276c710168099a2ee20b0ecc804cf6f2d8c082cec1fb607fe5ae7ef2422cd33aea94111f553e3915d3661a2e78b7438be7824f64a16918382864c87ab263ae02beb7f632914078d2af086f7fb6ae6f46a0604784aaabe62f45ead1641944501b680f00561aecbb9d73c58657046ba0476814ceffa346fdd021b9b407d60a5c40ca8f5a7c83f6596ed185df56a8e9461399ce34412ead2b558883087e991fe60535c5d6fca6bd24b1386f40d6bccbaa30d7ea10150981b932b87a1ad79e0f782da70555d702634418d618a6cb3f94247d6f861445c6be9f00e48c3aa4210ddce3e37df0953b3b10b2467ff463dcec841eb1408fa49d29cfb718c8057dad0038a9a42714c1ee4a2bd4a35239e2101e27b1a6be3deece0564da671933bcea5a58bcdfe508ebcb5cafbf2d204c878eb70e7b472509492befa6dd786212eef7b552bd6da6429cb28490e77fe0e7124560c996a55ce661418e71dacc175f32b7fdc4e108f8ca64506fce3474713f3695bba342ce402ee460bd1aa6e0b36266a522835183e90c2b450f3024691854ff10f8de82efa5e9a0c9f76c5645b9c9689b1f73e0af0b53c47be0393d7fbec5b0887e3b2163d76044cf099b1ab0952a4db9d98f4d093270b1c716b094bcfe43daaaa3c3e48bcf70da60f690066cf23c3dc8218aadd0280bcdf6d2afcc7686f02246145ecce51a518082ef161c6ee157a623f6359176bd5782d4053f77dc8552613b899d2fea24fbeee55e7c01a4e7d7ef8613acd393236fa2ff94dc7f8af7ec034a70250ebb8f83737b369f4e1d035694a6c2bffc15391809db83e54cdca6815b5a174f249ceb51dc156ae71ef2d0940cc6a4ccf102175e4f6bdcbc54e5dbe4df7fadf09da28bc78c60b0efb4e2f363826369f68dd6df5f84229ad2ee0cfae1da1de9ad6ad3d34eae955e48588931930663bffb9c3ae6d87be041c91c5fb5397f160b661340f68ffd70610f7f285123def5d899a431642e7b308aa60ee036ec2fb85921f762d83114f7c5e7d24e710619e507e38e74e54cf3d1ba64618c4b49e4260e35237c04693a7a222837507f0489412d199492bc16f73da6a14e8baeb81472cd260c7b86d360038d38f7f2f75cf170b3b644353ffcfe522a7652194ab31783ab901b59a76836609e95c10bc49c0d112754088cac24bfae8be9e6cd116733802ae1713da4deb633aa3afe14e2242f5b92c0f34bb0ad3f27413e8b702cb3a52aee5573af3f052c55cfb7236d1897cf3ad86acf82ab7792e810701dd42f7af23a72e53db2e0298b74c8774b501fe8d98f70a61b11156f00322646c7397143d8672c55a1f821471909521c9534bee7f07cdbec6f0c0b5bdf6d3f9584f06788b99a991b68e45f488e384a3187c2429c92513caba5e16f04772428ea50eba2711612c38ad3335e8515ea3d11aa1b55b4e50499eee42fcfc9e41ab460a7f6162f8d077d4e7d6cf200e501d9c151e4b6fc71ed011b303eec379b77b321f5f635d2079534984214a51a5df4e230e34556877b380d59604465745e080f6b0c47fbe7e22270f43a23dd2ca7afc5a758c725b88a29b6bc572f9426b2bb7221178366435fb8f8c1aa18479f929ea342e273481b39b8d7c2e9961fe204c1314e411b5a1ce23f60e7265e051ef2c9885e8d202ac321b5fa6ffa77cbea040e591554f2d27b42f1de94420763f2856b1a443898ce7d0a7d331d58b85670b3f5c5a70271189e679e6c788efad397bb905cf3787754eaec229026f14844e46b280a383e81a41db97cffa67e782f1d99d56c8074817ea9d4d50d5fc4b90bda6657b45a705f54d5caf06bad2fdbbecc3946293388f919f52566a1217fe19a6e3170a8e7a187d1e5b5cb0ef97e0870012e615f867067fd4eb70e79c20d286099eb175944bd2e8f3bae8a6d31d564ad9fef803047bc8b4c85280f3c0486f739d46a4e501433067f392a5850c237de02f52a3ff36a130fe058b4126f3df6ea1445f1bd15f55b2d265f9fe548f31b90fe5543a357f35a05b7682e09936973d283c4cd7eb36e2c9f875e444c966cac9f55811daf495729361601d6d4b2d2e0f3b4a319c6a9a6b5654b73a8f9d2a6cd98bd83c583ace9151b08e7d93f083cfb3971667fcb007ac7a7f246255e07ced9d271cf5834a055895d6a7dac29221ab894e83050bf1b34bae5c55710012aaf58e50125e3b8734a8e2f474552a6dcdab93b369e3a78dcae23f081d28fbe810906df2929a67ca12fa9e3246436f176b3dbed0ce726564baf7112d813617a994cf66bad76832928036013e2743f47795260a42e92b9a3e0d83dd2bbda8ca65eb97079f81fd6430fa2f9e903f1272c74800124159d6dde61e96149e2e7ede8aab1519c05723ad4eef83bb1b5a298ac3ea83781055c5e530f633b56ed998a9efece8c50ff2b7493250b3651571287fa08ee9b41c6073d90d160db907975bacf965ceb27924742bd088c19fd80852b7fbbbc3ded7ac245f7d2ed046f37eb2739262f9b0158633008298e9af26b13fb1fcd0245a5bc76deb249f4475cd8ac6f8bbe65221c876d9c6a0454cd8862d0d4441f8368ae55b51aa96075bba6ceafe3bf1e6bd58dd2f12e976b542678da6df520e573514bc39552b0b5e0b04e00dee03698f52c0b0ba6bc92d7bf31f0bcade86fda5d06024614cd37839963b5e9ad65abf4a82d1f7167d8e3d669d257c8e0402ec7dd9a0be729907e2bb02acacfb8bc3525f289712544ffcc64d1505e9799f667abb8d9b235f0899319ab27caec632c06de140de420f4dd8f9acbee88db15a9c6a285c5c5256a79c4a85912b68b816ad8bd3fcc9d36f04731fbe470bce82e88290d8d47006d840558b264b9405d206a7472d74d3b43bd659ceb2cf3bcd765f5bba299021ec626e2e376562d2250b060928c79a19b26da26270a722b5e5daf81215e9e58d7c0a0334511b9b919fc0bc9a7ebed1b26321b38c7937591c48ea7eeecfb1aa447f352bd2f1133fc18be00ccfdeebe46c31b1bcaf2063f3d1accad080350508a143c5b65d8c791a5f748ccaf131e3343082729cd418212c8abfb3b534286aee464bdabe0b491fa595329579fc237cebcc3348ea632add5944f2f06a933e901e096594b9b4a7cd5e42971f9148fb4a2248728b91ab29779bf0a3f2caba5583eb83b76da98be68d89ea96268bb077f13febde4fbad8967a14316a7b2adde58bf64e23ba3cea81a5d2d52a3d61733db5f294c72a758f350ee166fe3f5cca91ca9585298a11174002682e0556204f3892eea01493ab907efaca78434d8ab688027ba67a3636bf787e502a4d3187f187e49c6eb1f025d3cd12bb7399e278a856428da95e878120ab598e4c8afb5e0151b971bfcab245ae7bdab26682cba2099ff34640239f9ce13e74e9b16c73b39c668736d1182d8c6692c951a08c71d11ce9686e299bd42d32db73db8975adefb72ad5b3bb656ec424c09b87234c11e77853689198059873e5b125e23952d0f3c4228150ceb3c15de720aaec6a0d65a68efedbaa46a9cf6f09e4bfa2ea8b8a4d8a04e865e2aa24ebd6e273a2f668aa39683e4191fe6e7747ad93a926c12ce64e8d3d1e2308a273a70337a6abbc5eb9a3ec3ebb5115e3dfb3a719e78b803d210fcabbd298d79477531ab40efae5df6ff29a7784ef40f6bc3ff6161026232069eb068a84dc5f157ea9467dcf7a2ebd35c418ca5c649336f245a10a08b6c1459099bfd5db1631d534e14fd37a854bc2ea57083af1db5e2228d08d13deacd77188c4cac13a1cf8add5f20d88612acf9c6495c9765c14a2db2b61dd723e5ae161391c5fcbbb2ac14b4f50967a24802473e48cbf78d52a22f09131b548006d031348d1c66447c4c349b2379459a4f79ef4335128d93b32a4946a2eea604b0a50e6d856e872231c2cc94693873b014a52ae40be65e4e32ea1bd583034f69808d58be2a65cd52a1dd54748da628aecee19b197897d1d5b1788ad6c285ec095e932dbf002af2650f3d3a1858aed2eb5e83f7307eb655e976650453df339983df9911c6b206a8bb770cd80b194c6602a4180ae5b47d09270c3001952693aec40a4a45c2ea8f1debcf12bbdac717abfeb6fa4f0a26b3b8a6b603fbbf64c31524b989aa1f3398fab1991fff1cdc95f87de56f024fc3f4cdd3ce0873ee4957a8be89b780114561dbe02bac6a2f10f2ef02da1f4d3e9e1729249648958cc700beff8711b2fc1e5ee78ea84e4d5364fbd9ffa66efdeb54261b9aa87f862d693761943666402a7cfc7b0000c4ad210d0c1a3c1fb86c2b7e54050e04ca800e6797f0b069abff08df7e94b989e9400818cf0d07dcb54f7735af9c566b2137dbb3e9b986d1640eab55bac0e7e19db5a0b435909acfff6a8827ef17ad0979d93108f6facc1a063b9c081e04db48a00853114e5bd3b34524b45c36", @ANYRES16=r0], @ANYRES64=r0, @ANYBLOB="b7e76ecd884feb5896573c05590d1980cf35e000ad7ad2fd2e50b71539b623b7b9cd5f07d171e2342f4b71f0100304d31780a948da1048a5a98bc21b3df6fbe01875a0002c9d1b99bf605d82b033a060758adc53d206a12a5e1c8e8a20927a6eef7957da9b74da88b39be3a1c53767"]) ioctl$SCSI_IOCTL_START_UNIT(r0, 0x5) ioctl$SCSI_IOCTL_SEND_COMMAND(r0, 0x1, &(0x7f00000000c0)={0x0, 0x2}) 16:58:42 executing program 7: r0 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f00006cdffb)="8907040000", 0x5) r1 = socket$inet6(0xa, 0x1, 0x0) ioctl(r1, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r2 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f0000000140)=ANY=[@ANYBLOB="370a0000000000000a004e210200000000000000000000000000000000000000d2050000000000000000000000000000000000000000000000000000000000000000ac00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000a004e2281000000ff0100000000000000000000000000010600000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000"], 0x110) r3 = openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000280)='/dev/sequencer2\x00', 0x100, 0x0) ioctl$KVM_PPC_ALLOCATE_HTAB(r3, 0xc004aea7, &(0x7f00000002c0)=0x5) setsockopt$inet_mreq(r3, 0x0, 0x24, &(0x7f0000000340)={@multicast2=0xe0000002, @local={0xac, 0x14, 0x14, 0xaa}}, 0x8) setsockopt$inet_int(r2, 0x0, 0xd0, &(0x7f0000000000), 0x4) getsockopt$inet_opts(r0, 0x0, 0x4, &(0x7f0000000000)=""/181, &(0x7f00000000c0)=0xb5) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r3, 0x84, 0x1d, &(0x7f0000000480)=ANY=[@ANYBLOB="f11199a318472a6bf3db834a63b6b0d91b2bd1cb362b31056b02e7a950889141d7b43250628838bc1557246bfd6a463e99ba9e3657aec8f25e636aed5cc0cdda1ed10960049381d2ffeec2abc2a1c7c398d90ad64033709352851ca1879789e7c600be811508d59b7b6811ebc3e7a838d14b39fa2f8ac90612ef26997d23b3ef7f7ab400", @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f00000003c0)=0x10) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r2, 0x84, 0x71, &(0x7f0000000400)={r4, 0x2df6f838}, &(0x7f0000000440)=0x8) ioctl$KVM_GET_ONE_REG(r3, 0x4010aeab, &(0x7f0000000300)={0x3, 0x20}) [ 707.824736] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 707.843976] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 707.851673] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 707.858936] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 707.866191] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 707.873720] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 707.880973] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 0000000000000017 16:58:42 executing program 1 (fault-call:4 fault-nth:24): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 707.918774] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:42 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000240)="0047fc2f07d82c99240970") r1 = syz_open_dev$vcsa(&(0x7f0000000040)='/dev/vcsa#\x00', 0x8, 0x4000) r2 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000140)='syscall\x00') bind$inet(r2, &(0x7f0000000180)={0x2, 0x4e22, @local={0xac, 0x14, 0x14, 0xaa}}, 0xfffffe54) r3 = socket$packet(0x11, 0x2, 0x300) sendto$inet(0xffffffffffffffff, &(0x7f0000000180), 0x0, 0x0, &(0x7f0000000000)={0x2}, 0x10) getsockopt$packet_int(r3, 0x107, 0xb, &(0x7f0000000000), &(0x7f00000003c0)=0x5a) accept4$inet(r1, 0x0, &(0x7f00000000c0), 0x80000) 16:58:42 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a60080000000000ec000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 707.974210] FAULT_INJECTION: forcing a failure. [ 707.974210] name failslab, interval 1, probability 0, space 0, times 0 [ 707.985557] CPU: 0 PID: 14381 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 707.992927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 708.002291] Call Trace: [ 708.004898] dump_stack+0x1c9/0x2b4 [ 708.008641] ? dump_stack_print_info.cold.2+0x52/0x52 [ 708.013850] ? __save_stack_trace+0x8d/0xf0 [ 708.018196] should_fail.cold.4+0xa/0x1a [ 708.022279] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 708.027397] ? save_stack+0x43/0xd0 [ 708.031043] ? kasan_kmalloc+0xc4/0xe0 [ 708.034946] ? kmem_cache_alloc_trace+0x152/0x780 [ 708.040090] ? sctp_add_bind_addr+0x101/0x4b0 [ 708.044603] ? sctp_copy_local_addr_list+0x499/0x690 [ 708.049728] ? sctp_copy_one_addr+0x5d/0x170 [ 708.054161] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 708.059889] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 708.063971] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 708.064757] ? sctp_sendmsg+0x18a2/0x1d90 [ 708.064777] ? inet_sendmsg+0x1a1/0x690 [ 708.064795] ? sock_sendmsg+0xd5/0x120 [ 708.064809] ? __sys_sendto+0x3d7/0x670 [ 708.064824] ? __x64_sys_sendto+0xe1/0x1a0 [ 708.064840] ? do_syscall_64+0x1b9/0x820 [ 708.064853] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 708.064873] ? graph_lock+0x170/0x170 [ 708.108523] ? find_held_lock+0x36/0x1c0 [ 708.112569] ? print_usage_bug+0xc0/0xc0 [ 708.116618] ? graph_lock+0x170/0x170 [ 708.120415] ? find_held_lock+0x36/0x1c0 [ 708.124475] ? lock_downgrade+0x8f0/0x8f0 [ 708.128610] __should_failslab+0x124/0x180 [ 708.132839] should_failslab+0x9/0x14 [ 708.136634] kmem_cache_alloc_trace+0x4b/0x780 [ 708.141202] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 708.145696] sctp_add_bind_addr+0x101/0x4b0 [ 708.150007] ? sctp_bind_addr_free+0x20/0x20 [ 708.154408] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 708.159586] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 708.164762] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 708.169763] sctp_copy_local_addr_list+0x499/0x690 [ 708.175288] ? sctp_defaults_init+0xe70/0xe70 [ 708.179769] ? get_random_bytes+0x34/0x40 [ 708.183902] ? sctp_association_new+0x19e0/0x2190 [ 708.188735] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 708.193926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.199464] sctp_copy_one_addr+0x5d/0x170 [ 708.203685] ? sctp_copy_one_addr+0x5d/0x170 [ 708.208082] sctp_bind_addr_copy+0x173/0x47c [ 708.212478] ? sctp_copy_one_addr+0x170/0x170 [ 708.216966] ? sctp_autobind+0x16d/0x1f0 [ 708.221018] ? sctp_do_bind+0x5f0/0x5f0 [ 708.224985] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 708.230510] ? security_sctp_bind_connect+0x99/0xc0 [ 708.235512] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 708.240175] ? sctp_sendmsg+0x1278/0x1d90 [ 708.244313] ? sctp_autobind+0x1f0/0x1f0 [ 708.248361] ? __local_bh_enable_ip+0x161/0x230 [ 708.253022] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 708.258029] ? lock_sock_nested+0x9f/0x120 [ 708.262248] ? trace_hardirqs_on+0xd/0x10 [ 708.266377] ? __local_bh_enable_ip+0x161/0x230 [ 708.271035] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 708.276556] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 708.281731] sctp_sendmsg+0x18a2/0x1d90 [ 708.285704] ? do_raw_spin_unlock+0xa7/0x2f0 [ 708.290102] ? sctp_id2assoc+0x3e0/0x3e0 [ 708.294151] ? _raw_spin_unlock_bh+0x30/0x40 [ 708.298549] ? __release_sock+0x3a0/0x3a0 [ 708.302694] inet_sendmsg+0x1a1/0x690 [ 708.306483] ? ipip_gro_receive+0x100/0x100 [ 708.310793] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.316317] ? security_socket_sendmsg+0x94/0xc0 [ 708.321062] ? ipip_gro_receive+0x100/0x100 [ 708.325371] sock_sendmsg+0xd5/0x120 [ 708.329083] __sys_sendto+0x3d7/0x670 [ 708.332882] ? __ia32_sys_getpeername+0xb0/0xb0 [ 708.337542] ? wait_for_completion+0x8d0/0x8d0 [ 708.342112] ? __lock_is_held+0xb5/0x140 [ 708.346168] ? __sb_end_write+0xac/0xe0 [ 708.350130] ? fput+0x130/0x1a0 [ 708.353395] ? ksys_write+0x1ae/0x260 [ 708.357268] ? __ia32_sys_read+0xb0/0xb0 [ 708.361399] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 708.366929] __x64_sys_sendto+0xe1/0x1a0 [ 708.370978] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 708.375982] do_syscall_64+0x1b9/0x820 [ 708.379856] ? finish_task_switch+0x1d3/0x890 [ 708.384336] ? syscall_return_slowpath+0x5e0/0x5e0 [ 708.389267] ? syscall_return_slowpath+0x31d/0x5e0 [ 708.394186] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 708.399558] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 708.404390] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 708.409565] RIP: 0033:0x455ab9 [ 708.412733] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 708.431971] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 708.439675] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 708.446931] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 708.454183] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 708.461437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 708.468691] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 0000000000000018 16:58:42 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000d30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:42 executing program 7: mkdir(&(0x7f0000001b40)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000026ff8)='./file0\x00', &(0x7f000000c000)='ramfs\x00', 0x0, &(0x7f000000a000)) chdir(&(0x7f0000000000)='./file0\x00') r0 = openat$mixer(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/mixer\x00', 0x400, 0x0) ioctl$SG_GET_SCSI_ID(r0, 0x2276, &(0x7f0000000200)) ioctl$BLKGETSIZE(r0, 0x1260, &(0x7f0000000240)) r1 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl\x00', 0x2000, 0x0) getpeername$packet(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @link_local}, &(0x7f0000000100)=0x14) connect$packet(r1, &(0x7f0000000140)={0x11, 0x15, r2, 0x1, 0x9, 0x6, @local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}}, 0x14) ioctl$SNDRV_SEQ_IOCTL_CLIENT_ID(r1, 0x80045301, &(0x7f0000000180)) r3 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) preadv(r3, &(0x7f0000001200)=[{&(0x7f0000001100)=""/248, 0xf8}], 0x1, 0x0) 16:58:42 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100", 0x18) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004500)=@rc, 0x80, &(0x7f0000004640), 0x0, &(0x7f0000004680)=""/160, 0x52}}, {{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x147, &(0x7f0000004b40)=""/206, 0xce}}], 0x2, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:42 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(r3, 0x40605346, &(0x7f0000000040)={0x0, 0x1, {0x3, 0x3, 0xfffffffffffffe01, 0x3, 0x3}}) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) getsockopt$inet_tcp_TCP_REPAIR_WINDOW(r3, 0x6, 0x1d, &(0x7f00000000c0), &(0x7f0000000180)=0x14) 16:58:43 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x40000000, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:43 executing program 1 (fault-call:4 fault-nth:25): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 708.579123] QAT: Invalid ioctl [ 708.618111] QAT: Invalid ioctl [ 708.651077] FAULT_INJECTION: forcing a failure. [ 708.651077] name failslab, interval 1, probability 0, space 0, times 0 [ 708.662457] CPU: 0 PID: 14409 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 708.669918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 708.679274] Call Trace: [ 708.681913] dump_stack+0x1c9/0x2b4 [ 708.685534] ? dump_stack_print_info.cold.2+0x52/0x52 [ 708.690715] ? __save_stack_trace+0x8d/0xf0 [ 708.695038] should_fail.cold.4+0xa/0x1a [ 708.699087] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 708.704176] ? save_stack+0x43/0xd0 [ 708.707789] ? kasan_kmalloc+0xc4/0xe0 [ 708.711707] ? kmem_cache_alloc_trace+0x152/0x780 [ 708.716541] ? sctp_add_bind_addr+0x101/0x4b0 [ 708.721036] ? sctp_copy_local_addr_list+0x499/0x690 [ 708.726142] ? sctp_copy_one_addr+0x5d/0x170 [ 708.730553] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 708.736268] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 708.741099] ? sctp_sendmsg+0x18a2/0x1d90 [ 708.745252] ? inet_sendmsg+0x1a1/0x690 [ 708.749227] ? sock_sendmsg+0xd5/0x120 [ 708.753101] ? __sys_sendto+0x3d7/0x670 [ 708.757067] ? __x64_sys_sendto+0xe1/0x1a0 [ 708.761395] ? do_syscall_64+0x1b9/0x820 [ 708.765447] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 708.770798] ? graph_lock+0x170/0x170 [ 708.774591] ? print_usage_bug+0xc0/0xc0 [ 708.778650] ? print_usage_bug+0xc0/0xc0 [ 708.782724] ? graph_lock+0x170/0x170 [ 708.786515] ? find_held_lock+0x36/0x1c0 [ 708.790568] ? lock_downgrade+0x8f0/0x8f0 [ 708.794723] __should_failslab+0x124/0x180 [ 708.799046] should_failslab+0x9/0x14 [ 708.802845] kmem_cache_alloc_trace+0x4b/0x780 [ 708.807430] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 708.811936] sctp_add_bind_addr+0x101/0x4b0 [ 708.816243] ? sctp_bind_addr_free+0x20/0x20 [ 708.820646] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 708.825824] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 708.831003] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 708.836032] sctp_copy_local_addr_list+0x499/0x690 [ 708.840953] ? sctp_defaults_init+0xe70/0xe70 [ 708.845438] ? get_random_bytes+0x34/0x40 [ 708.849573] ? sctp_association_new+0x19e0/0x2190 [ 708.854497] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 708.859850] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.865374] sctp_copy_one_addr+0x5d/0x170 [ 708.869595] ? sctp_copy_one_addr+0x5d/0x170 [ 708.873993] sctp_bind_addr_copy+0x173/0x47c [ 708.878404] ? sctp_copy_one_addr+0x170/0x170 [ 708.882883] ? sctp_autobind+0x16d/0x1f0 [ 708.886932] ? sctp_do_bind+0x5f0/0x5f0 [ 708.890898] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 708.896425] ? security_sctp_bind_connect+0x99/0xc0 [ 708.901432] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 708.906086] ? sctp_sendmsg+0x1278/0x1d90 [ 708.910223] ? sctp_autobind+0x1f0/0x1f0 [ 708.914281] ? __local_bh_enable_ip+0x161/0x230 [ 708.918940] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 708.923945] ? lock_sock_nested+0x9f/0x120 [ 708.928166] ? trace_hardirqs_on+0xd/0x10 [ 708.932306] ? __local_bh_enable_ip+0x161/0x230 [ 708.936977] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 708.942503] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 708.947686] sctp_sendmsg+0x18a2/0x1d90 [ 708.951648] ? do_raw_spin_unlock+0xa7/0x2f0 [ 708.956047] ? sctp_id2assoc+0x3e0/0x3e0 [ 708.960100] ? _raw_spin_unlock_bh+0x30/0x40 [ 708.964497] ? __release_sock+0x3a0/0x3a0 [ 708.968657] inet_sendmsg+0x1a1/0x690 [ 708.972450] ? ipip_gro_receive+0x100/0x100 [ 708.976760] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 708.982285] ? security_socket_sendmsg+0x94/0xc0 [ 708.987034] ? ipip_gro_receive+0x100/0x100 [ 708.991344] sock_sendmsg+0xd5/0x120 [ 708.995051] __sys_sendto+0x3d7/0x670 [ 708.998842] ? __ia32_sys_getpeername+0xb0/0xb0 [ 709.003501] ? wait_for_completion+0x8d0/0x8d0 [ 709.008071] ? __lock_is_held+0xb5/0x140 [ 709.012131] ? __sb_end_write+0xac/0xe0 [ 709.016096] ? fput+0x130/0x1a0 [ 709.019459] ? ksys_write+0x1ae/0x260 [ 709.023248] ? __ia32_sys_read+0xb0/0xb0 [ 709.027301] __x64_sys_sendto+0xe1/0x1a0 [ 709.031352] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 709.036358] do_syscall_64+0x1b9/0x820 [ 709.040256] ? finish_task_switch+0x1d3/0x890 [ 709.044746] ? syscall_return_slowpath+0x5e0/0x5e0 [ 709.049679] ? syscall_return_slowpath+0x31d/0x5e0 [ 709.054607] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 709.059962] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.064794] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 709.069971] RIP: 0033:0x455ab9 [ 709.073143] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 709.092463] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c 16:58:43 executing program 7: r0 = memfd_create(&(0x7f00000001c0)="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", 0x0) fallocate(r0, 0x3, 0x200, 0x50000) 16:58:43 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a60080000000006b3b00683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:43 executing program 2: r0 = socket$inet(0x2, 0x1, 0x0) r1 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x1f, 0x4c0000) ioctl$SNDRV_CTL_IOCTL_PVERSION(r1, 0x80045500, &(0x7f0000000040)) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f00000004c0)=@broute={'broute\x00', 0x20, 0x1, 0x240, [0x0, 0x0, 0x0, 0x0, 0x0, 0x20000280], 0x0, &(0x7f0000000240), &(0x7f0000000280)=ANY=[@ANYBLOB="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"]}, 0x2b8) getsockopt$inet_sctp_SCTP_RECVRCVINFO(r1, 0x84, 0x20, &(0x7f0000000080), &(0x7f00000000c0)=0x4) [ 709.100159] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 709.107412] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 709.114668] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 709.121939] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 709.129195] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 0000000000000019 16:58:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$int_in(r0, 0x800000005452, &(0x7f0000000100)=0xc8) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) shutdown(r1, 0x1) pipe2(&(0x7f0000000040)={0xffffffffffffffff}, 0x80000) ioctl$KVM_HAS_DEVICE_ATTR(r2, 0x4018aee3, &(0x7f00000000c0)={0x0, 0x0, 0x0, &(0x7f0000000080)}) 16:58:43 executing program 1 (fault-call:4 fault-nth:26): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:43 executing program 7: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x4, 0x4, 0x4, 0x9}, 0x2c) perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x0, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x3, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000000}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000240)={r0, &(0x7f0000000080), &(0x7f00000000c0)="14"}, 0x20) r1 = syz_open_dev$vcsn(&(0x7f0000000280)='/dev/vcs#\x00', 0x6, 0x4002) sendmsg$nl_route(r1, &(0x7f0000002700)={&(0x7f00000002c0)={0x10, 0x0, 0x0, 0x1044001}, 0xc, &(0x7f00000026c0)={&(0x7f0000000300)=@bridge_setlink={0x238c, 0x13, 0x230, 0x70bd2a, 0x25dfdbfe, {0x7, 0x0, 0x0, 0x0, 0x0, 0x400}, [@IFLA_IFALIASn={0x4, 0x14}, @IFLA_LINKINFO={0x118, 0x12, [@IFLA_INFO_SLAVE_DATA={0x90, 0x5, "d3c4f3d1b769bb1417784f3fa35f1d2ffddb79df1ec63b6c0c309b7d39fce18efb1e1504ae8be277b19d8c827364ad05c0d9c0c1c77238f00478cef694cfbd6fb5b0e3cfd1fda8c6eb09be65b0517dcbca3d11885ffae5cb310ce2d047b6d3681332afd1f5ec331376f5e45a801a521ccfb15fa050ebd3638653b3238e983d8ce6c4504fda0ee1c95515"}, @IFLA_INFO_DATA={0x38, 0x2, "90f941c07d090637464562e385edb74e97c11979d5c259f7d4b6cb60656ba9ad19bb83b8a05d3e2608c2830680f0973a25948324"}, @IFLA_INFO_KIND={0x1c, 0x1, 'systemprockeyringbdev\x00'}, @IFLA_INFO_SLAVE_KIND={0x8, 0x4, '\x00'}, @IFLA_INFO_SLAVE_KIND={0x1c, 0x4, 'mime_typeeth1[:^}eth1#\x00'}, @IFLA_INFO_SLAVE_KIND={0xc, 0x4, '(proc\x00'}]}, @IFLA_EVENT={0x8, 0x2c, 0x5}, @IFLA_XDP={0x2248, 0x2b, [@typed={0x68, 0x71, @binary="1d535f6f405be3a22ca2bc4f4a9a789d8ea8f904ee6905b8435f1ffbaf153139299cfee3e443c6a9bdc0b8c88f8bc16044a7d5690ca9da766fda98609113cd7aa5e75ce517f87b75072398744b826dce40f71aec18aee4fb7e9f1180348d96349aa84662"}, @nested={0x10ec, 0x59, [@generic="3ad67a0b2c60cfa9276cb819117cf69c743fd926c31affa2049c46078bbb2ea4ad12d89d72c236b47b0285d55dc3c86c22af54dec16d6da77668c5ef58d62a3f916342f514191822037812a8efe9bacbe5c58e506146b420676d2af9", 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0x238c}, 0x1, 0x0, 0x0, 0x4000000}, 0x4040080) [ 709.201751] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 709.300877] FAULT_INJECTION: forcing a failure. [ 709.300877] name failslab, interval 1, probability 0, space 0, times 0 [ 709.312242] CPU: 0 PID: 14428 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 709.319635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 709.329388] Call Trace: [ 709.329429] dump_stack+0x1c9/0x2b4 [ 709.335658] ? dump_stack_print_info.cold.2+0x52/0x52 [ 709.340886] ? __save_stack_trace+0x8d/0xf0 [ 709.340919] should_fail.cold.4+0xa/0x1a [ 709.349307] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 709.354431] ? save_stack+0x43/0xd0 [ 709.358077] ? kasan_kmalloc+0xc4/0xe0 [ 709.361975] ? kmem_cache_alloc_trace+0x152/0x780 [ 709.366812] ? sctp_add_bind_addr+0x101/0x4b0 [ 709.371298] ? sctp_copy_local_addr_list+0x499/0x690 [ 709.376388] ? sctp_copy_one_addr+0x5d/0x170 [ 709.380786] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 709.386486] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 709.391332] ? sctp_sendmsg+0x18a2/0x1d90 [ 709.395472] ? inet_sendmsg+0x1a1/0x690 [ 709.399448] ? sock_sendmsg+0xd5/0x120 [ 709.403320] ? __sys_sendto+0x3d7/0x670 [ 709.407282] ? __x64_sys_sendto+0xe1/0x1a0 [ 709.411507] ? do_syscall_64+0x1b9/0x820 [ 709.415559] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 709.420923] ? graph_lock+0x170/0x170 [ 709.424711] ? print_usage_bug+0xc0/0xc0 [ 709.428759] ? print_usage_bug+0xc0/0xc0 [ 709.432818] ? graph_lock+0x170/0x170 [ 709.436634] ? find_held_lock+0x36/0x1c0 [ 709.440690] ? lock_downgrade+0x8f0/0x8f0 [ 709.444831] __should_failslab+0x124/0x180 [ 709.449060] should_failslab+0x9/0x14 [ 709.452850] kmem_cache_alloc_trace+0x4b/0x780 [ 709.457425] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 709.461912] sctp_add_bind_addr+0x101/0x4b0 [ 709.466233] ? sctp_bind_addr_free+0x20/0x20 [ 709.470628] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 709.475807] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 709.480987] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 709.485998] sctp_copy_local_addr_list+0x499/0x690 [ 709.490934] ? sctp_defaults_init+0xe70/0xe70 [ 709.495422] ? get_random_bytes+0x34/0x40 [ 709.499558] ? sctp_association_new+0x19e0/0x2190 [ 709.504400] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 709.509586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.515115] sctp_copy_one_addr+0x5d/0x170 [ 709.519424] ? sctp_copy_one_addr+0x5d/0x170 [ 709.523832] sctp_bind_addr_copy+0x173/0x47c [ 709.528232] ? sctp_copy_one_addr+0x170/0x170 [ 709.532720] ? sctp_autobind+0x16d/0x1f0 [ 709.536781] ? sctp_do_bind+0x5f0/0x5f0 [ 709.540752] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 709.546364] ? security_sctp_bind_connect+0x99/0xc0 [ 709.551390] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 709.556046] ? sctp_sendmsg+0x1278/0x1d90 [ 709.560185] ? sctp_autobind+0x1f0/0x1f0 [ 709.564238] ? __local_bh_enable_ip+0x161/0x230 [ 709.568899] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 709.573910] ? lock_sock_nested+0x9f/0x120 [ 709.578132] ? trace_hardirqs_on+0xd/0x10 [ 709.582268] ? __local_bh_enable_ip+0x161/0x230 [ 709.586927] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 709.592452] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 709.597646] sctp_sendmsg+0x18a2/0x1d90 [ 709.601697] ? do_raw_spin_unlock+0xa7/0x2f0 [ 709.606099] ? sctp_id2assoc+0x3e0/0x3e0 [ 709.610153] ? _raw_spin_unlock_bh+0x30/0x40 [ 709.614560] ? __release_sock+0x3a0/0x3a0 [ 709.618714] inet_sendmsg+0x1a1/0x690 [ 709.622514] ? ipip_gro_receive+0x100/0x100 [ 709.626837] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 709.632361] ? security_socket_sendmsg+0x94/0xc0 [ 709.637105] ? ipip_gro_receive+0x100/0x100 [ 709.641425] sock_sendmsg+0xd5/0x120 [ 709.645128] __sys_sendto+0x3d7/0x670 [ 709.648923] ? __ia32_sys_getpeername+0xb0/0xb0 [ 709.653587] ? wait_for_completion+0x8d0/0x8d0 [ 709.658163] ? __lock_is_held+0xb5/0x140 [ 709.662223] ? __sb_end_write+0xac/0xe0 [ 709.666188] ? fput+0x130/0x1a0 [ 709.669454] ? ksys_write+0x1ae/0x260 [ 709.673244] ? __ia32_sys_read+0xb0/0xb0 [ 709.677309] ? syscall_slow_exit_work+0x500/0x500 [ 709.682146] __x64_sys_sendto+0xe1/0x1a0 [ 709.686200] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 709.691205] do_syscall_64+0x1b9/0x820 [ 709.695082] ? finish_task_switch+0x1d3/0x890 [ 709.699575] ? syscall_return_slowpath+0x5e0/0x5e0 [ 709.704492] ? syscall_return_slowpath+0x31d/0x5e0 [ 709.709427] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 709.714791] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 709.719636] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 709.724834] RIP: 0033:0x455ab9 [ 709.728007] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 16:58:44 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a600800000000000c00e683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 709.747299] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 709.755000] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 709.762266] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 709.769525] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 709.776783] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 709.784039] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 000000000000001a 16:58:44 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100", 0x18) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004500)=@rc, 0x80, &(0x7f0000004640), 0x0, &(0x7f0000004680)=""/160, 0x52}}, {{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x147, &(0x7f0000004b40)=""/206, 0xce}}], 0x2, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:44 executing program 7: r0 = socket$inet6(0xa, 0x1800000000003, 0xfffffffffffffffe) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000080)) r1 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x1, 0x8000) ioctl$EVIOCGID(r1, 0x80084502, &(0x7f0000000040)) 16:58:44 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000040)=[{r1, 0x2000000000}], 0x1, 0x5) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) [ 709.861768] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:44 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000630baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:44 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x4000, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:44 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000003c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = epoll_create(0x7ffffffc) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r0, &(0x7f0000000040)) r3 = dup2(r0, r1) ioctl$IOC_PR_CLEAR(r3, 0x401070cd, &(0x7f0000000080)) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, r1, &(0x7f0000000000)) 16:58:44 executing program 7: r0 = socket(0x10, 0x2, 0x0) setsockopt$sock_int(r0, 0x1, 0x2c, &(0x7f000053dffc)=0x8, 0x4) setsockopt$sock_attach_bpf(r0, 0x1, 0x32, &(0x7f0000000040), 0x4) bind$rds(r0, &(0x7f0000000000)={0x2, 0x4e22, @multicast1=0xe0000001}, 0x10) 16:58:44 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000005024683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:44 executing program 2: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000040)={0x3, 0x4, 0x4, 0x101}, 0x2c) r1 = memfd_create(&(0x7f0000000000)='GPL\x00', 0x2) ioctl$KVM_ASSIGN_SET_MSIX_NR(r1, 0x4008ae73, &(0x7f00000000c0)={0xfffffffffffeffff, 0x3}) bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x1, 0x5, &(0x7f0000000380)=ANY=[@ANYBLOB="180000000000000000000000000000001813000061b8dc4e0c034e1a2a888da0d060059f5d0163f86c1ac2f1636cadad8f360a12138a0f3746a865e72414a6aee94b155cbbe74739832ba58a94e29ee4dd32b0f19588557eb5a40e82409b14eafd291e0954a94b9a5487f131743deaa537756b70bed5b4e639e4a635004875befa9f0a92422bde847300a6b7eaf1f1fe6373ef6753a72543a74df48ce8b55d86552ee70a1e38736a15199fa6ff50a65376d6cec14a65ac09a7bc65b48f5a63699491b1584ffd6cf681d5f83e03af369c9829cd2791b68dba6f40eb234039e34e38bf4cf163a89759f8ad09ea44fcbd1713f0e475d95a2c10", @ANYRES32=r0, @ANYBLOB="00000000000000009500000000000000"], &(0x7f0000000080)='GPL\x00', 0x800, 0x2ed, &(0x7f0000000280)=""/176}, 0x48) 16:58:44 executing program 5: r0 = gettid() r1 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x200001, 0x0) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_CLIENT(r1, 0xc0bc5351, &(0x7f0000000180)={0x401, 0x0, 'client0\x00', 0x4, "4c9e08a459129da7", "9d2f3f69eafb05ae69c8d7fb17da098432576edd76663c55758180aded1986a2", 0xaa9, 0x5}) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r2}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r2, 0x40045431, &(0x7f0000000000)) r3 = syz_open_pts(r2, 0x30400) r4 = dup3(r3, r2, 0x0) write(r2, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r2, 0x540a, 0x2) write$cgroup_pid(r4, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) 16:58:44 executing program 7: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2\x00', 0x1ffffc, 0x0) setsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f0000000080)={0x7aa6ca73, 0x800, 0x7, 0x1}, 0x8) sendto$inet(r0, &(0x7f0000000440), 0x0, 0xe803, &(0x7f0000000000)={0x2, 0x0, @rand_addr}, 0x10) socket$inet_icmp_raw(0x2, 0x3, 0x1) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.net/syz1\x00', 0x1ff) [ 710.067364] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:44 executing program 2: r0 = socket$inet6(0xa, 0xb, 0x1001) ioctl(r0, 0x4000008912, &(0x7f0000000100)='\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00') r1 = semget$private(0x0, 0x2002, 0x0) semop(r1, &(0x7f0000000000)=[{0x3, 0x0, 0x1800}, {0x1, 0x0, 0x1000}, {0x4, 0x0, 0x1000}, {0x5, 0x3, 0x800}, {0x1, 0x0, 0x1800}, {0x5, 0x80000001}, {0x0, 0x7, 0x800}], 0x7) semtimedop(r1, &(0x7f0000000040)=[{0x2, 0xc1b}, {0x2, 0xc8, 0x1000}], 0x2, &(0x7f0000000080)) 16:58:44 executing program 1 (fault-call:4 fault-nth:27): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:44 executing program 7: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2\x00', 0x1ffffc, 0x0) setsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f0000000080)={0x7aa6ca73, 0x800, 0x7, 0x1}, 0x8) sendto$inet(r0, &(0x7f0000000440), 0x0, 0xe803, &(0x7f0000000000)={0x2, 0x0, @rand_addr}, 0x10) socket$inet_icmp_raw(0x2, 0x3, 0x1) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.net/syz1\x00', 0x1ff) 16:58:44 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000001130baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:44 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a600800000000000f000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 710.279164] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 710.311641] FAULT_INJECTION: forcing a failure. [ 710.311641] name failslab, interval 1, probability 0, space 0, times 0 [ 710.322990] CPU: 0 PID: 14500 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 710.330366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 710.339723] Call Trace: [ 710.342318] dump_stack+0x1c9/0x2b4 [ 710.345949] ? dump_stack_print_info.cold.2+0x52/0x52 [ 710.351129] ? __save_stack_trace+0x8d/0xf0 [ 710.355446] should_fail.cold.4+0xa/0x1a [ 710.359499] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 710.364595] ? save_stack+0x43/0xd0 [ 710.368208] ? kasan_kmalloc+0xc4/0xe0 [ 710.372082] ? kmem_cache_alloc_trace+0x152/0x780 [ 710.376908] ? sctp_add_bind_addr+0x101/0x4b0 [ 710.381390] ? sctp_copy_local_addr_list+0x499/0x690 [ 710.386479] ? sctp_copy_one_addr+0x5d/0x170 [ 710.390890] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 710.396588] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 710.401416] ? sctp_sendmsg+0x18a2/0x1d90 [ 710.405550] ? inet_sendmsg+0x1a1/0x690 [ 710.409543] ? sock_sendmsg+0xd5/0x120 [ 710.413416] ? __sys_sendto+0x3d7/0x670 [ 710.417373] ? __x64_sys_sendto+0xe1/0x1a0 [ 710.421613] ? do_syscall_64+0x1b9/0x820 [ 710.425665] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 710.431019] ? graph_lock+0x170/0x170 [ 710.434813] ? find_held_lock+0x36/0x1c0 [ 710.438870] ? print_usage_bug+0xc0/0xc0 [ 710.442918] ? graph_lock+0x170/0x170 [ 710.446707] ? find_held_lock+0x36/0x1c0 [ 710.450766] ? lock_downgrade+0x8f0/0x8f0 [ 710.454904] __should_failslab+0x124/0x180 [ 710.459131] should_failslab+0x9/0x14 [ 710.462918] kmem_cache_alloc_trace+0x4b/0x780 [ 710.467491] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 710.471986] sctp_add_bind_addr+0x101/0x4b0 [ 710.476298] ? sctp_bind_addr_free+0x20/0x20 [ 710.480692] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 710.485877] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 710.491055] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 710.496067] sctp_copy_local_addr_list+0x499/0x690 [ 710.500987] ? sctp_defaults_init+0xe70/0xe70 [ 710.505488] ? get_random_bytes+0x34/0x40 [ 710.509753] ? sctp_association_new+0x19e0/0x2190 [ 710.514590] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 710.519769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.525297] sctp_copy_one_addr+0x5d/0x170 [ 710.529534] ? sctp_copy_one_addr+0x5d/0x170 [ 710.533931] sctp_bind_addr_copy+0x173/0x47c [ 710.538327] ? sctp_copy_one_addr+0x170/0x170 [ 710.542806] ? sctp_autobind+0x16d/0x1f0 [ 710.546852] ? sctp_do_bind+0x5f0/0x5f0 [ 710.550819] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 710.556370] ? security_sctp_bind_connect+0x99/0xc0 [ 710.561388] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 710.566045] ? sctp_sendmsg+0x1278/0x1d90 [ 710.570184] ? sctp_autobind+0x1f0/0x1f0 [ 710.574232] ? __local_bh_enable_ip+0x161/0x230 [ 710.578890] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 710.583895] ? lock_sock_nested+0x9f/0x120 [ 710.588117] ? trace_hardirqs_on+0xd/0x10 [ 710.592252] ? __local_bh_enable_ip+0x161/0x230 [ 710.596911] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 710.602443] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 710.607623] sctp_sendmsg+0x18a2/0x1d90 [ 710.611584] ? do_raw_spin_unlock+0xa7/0x2f0 [ 710.615984] ? sctp_id2assoc+0x3e0/0x3e0 [ 710.620038] ? _raw_spin_unlock_bh+0x30/0x40 [ 710.624433] ? __release_sock+0x3a0/0x3a0 [ 710.628576] inet_sendmsg+0x1a1/0x690 [ 710.632363] ? ipip_gro_receive+0x100/0x100 [ 710.636675] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 710.642215] ? security_socket_sendmsg+0x94/0xc0 [ 710.646956] ? ipip_gro_receive+0x100/0x100 [ 710.651268] sock_sendmsg+0xd5/0x120 [ 710.654971] __sys_sendto+0x3d7/0x670 [ 710.658783] ? __ia32_sys_getpeername+0xb0/0xb0 [ 710.663454] ? wait_for_completion+0x8d0/0x8d0 [ 710.668035] ? __lock_is_held+0xb5/0x140 [ 710.672092] ? __sb_end_write+0xac/0xe0 [ 710.676055] ? fput+0x130/0x1a0 [ 710.679331] ? ksys_write+0x1ae/0x260 [ 710.683120] ? __ia32_sys_read+0xb0/0xb0 [ 710.687169] ? syscall_slow_exit_work+0x500/0x500 [ 710.692000] __x64_sys_sendto+0xe1/0x1a0 [ 710.696057] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 710.701059] do_syscall_64+0x1b9/0x820 [ 710.704934] ? finish_task_switch+0x1d3/0x890 [ 710.709416] ? syscall_return_slowpath+0x5e0/0x5e0 [ 710.714333] ? syscall_return_slowpath+0x31d/0x5e0 [ 710.719253] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 710.724604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 710.729438] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 710.734613] RIP: 0033:0x455ab9 [ 710.737783] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 710.757036] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 710.764740] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 710.771997] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 16:58:45 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f511080001000201", 0x1a) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004500)=@rc, 0x80, &(0x7f0000004640), 0x0, &(0x7f0000004680)=""/160, 0x52}}, {{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x147, &(0x7f0000004b40)=""/206, 0xce}}], 0x2, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:45 executing program 2: r0 = syz_open_dev$sndctrl(&(0x7f0000000040)='/dev/snd/controlC#\x00', 0xfffffffffffffffc, 0x0) r1 = socket$inet6(0xa, 0x1, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_REMOVE(r0, 0xc0405519, &(0x7f0000000000)={0x8, 0x1, 0x74, 0x1ff, '\x00', 0x1}) ioctl(r1, 0x4000008912, &(0x7f00000002c0)='\x00\x00\x00\x00\x00\x00\x00\x00\x00\b\x00') ioctl$SNDRV_CTL_IOCTL_RAWMIDI_INFO(r0, 0xc10c5541, &(0x7f0000000580)={0x0, 0x7}) 16:58:45 executing program 7: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2\x00', 0x1ffffc, 0x0) setsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f0000000080)={0x7aa6ca73, 0x800, 0x7, 0x1}, 0x8) sendto$inet(r0, &(0x7f0000000440), 0x0, 0xe803, &(0x7f0000000000)={0x2, 0x0, @rand_addr}, 0x10) socket$inet_icmp_raw(0x2, 0x3, 0x1) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.net/syz1\x00', 0x1ff) [ 710.779259] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 710.786521] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 710.793796] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 000000000000001b 16:58:45 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a600800000000000001f683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 710.913866] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:45 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x10000000, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:45 executing program 7: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = openat$sequencer2(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2\x00', 0x1ffffc, 0x0) setsockopt$inet_sctp_SCTP_INITMSG(r1, 0x84, 0x2, &(0x7f0000000080)={0x7aa6ca73, 0x800, 0x7, 0x1}, 0x8) sendto$inet(r0, &(0x7f0000000440), 0x0, 0xe803, &(0x7f0000000000)={0x2, 0x0, @rand_addr}, 0x10) socket$inet_icmp_raw(0x2, 0x3, 0x1) mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.net/syz1\x00', 0x1ff) 16:58:45 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000001530baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:45 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000001b80)={0x26, 'skcipher\x00', 0x0, 0x0, 'ctr-aes-aesni\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="b7f2288a933d6659e164c990a0028e00", 0x10) r1 = accept$alg(r0, 0x0, 0x0) write$binfmt_script(r1, &(0x7f0000000300)=ANY=[], 0xffffffaa) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) recvmsg(r1, &(0x7f0000001480)={0x0, 0x0, &(0x7f00000013c0)=[{&(0x7f00000002c0)=""/4096, 0x6405}], 0x34, &(0x7f0000001400)=""/123, 0x2000147b}, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x0, 0x0) setsockopt$XDP_UMEM_REG(0xffffffffffffffff, 0x11b, 0x4, &(0x7f0000000040)={&(0x7f00000000c0)=""/246, 0x0, 0x0, 0xe}, 0x18) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00000012c0)="f2cf24936c325e80efb63433602e7409693998698270117d8a93cc10d7072d65386a10f2112bd2cb466f26820529cd58d652fe67ffdae2f732dcbf542c11b364f129549db9cac1e938e956ba225b5e6a0f6f5890adbe994c446bf9a29c56902b367052f34aad033642700086eb8e335e2d64bcb0df549aeda68c5aa2e6a4589de388057707551445cc01637f33d28f78cbc56b091cad2cd5caad8206f32c090403c7b80524e9ea1dc7311f14f4379ae048b6d2accc9cdafff69e2f2069feac81fe5de7ebe6f4f4be41a6f3098252de351446327eef", 0xd5) 16:58:45 executing program 1 (fault-call:4 fault-nth:28): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:45 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000ec0683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:45 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) r4 = semget(0x0, 0x3, 0x0) semctl$IPC_INFO(r4, 0x0, 0x3, &(0x7f0000000040)=""/51) ioctl$TCXONC(r1, 0x540a, 0x2) timer_create(0x3, &(0x7f0000000080)={0x0, 0x9, 0x4, @thr={&(0x7f0000000180)="c0fa5903a43118b38245770478ff36782273e83a396281e36c390faacf48bce008be3db6527345f9dd24c08a13eac3f77d9956568c06b4c20e0b1a9935c0a2bc8420e30e5aa65215a2fd5cd28912d4bb42d0e2785ab90ddd41d3541d15d9a42ef38b24fefe6619b1b40666807070ee15a5558d352f4d564dd5877c2b1e0330eed18e7886b87aa0fee46ef6b25b683bc6a5e2604d1aa32d90744851dc621b85cfa78ce99b99346d5df7c9d4c8ca8ff4070ac31d3e66fc34f773969c4cf2bd85cf1958e4a7adb534782acbbadb5f031cdb55b4deb2e148c30f7c4f123cf06f56c6fb8ad0db60cb344beb", &(0x7f0000000280)="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"}}, &(0x7f00000000c0)) r5 = syz_open_dev$binder(&(0x7f0000d59ff3)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) r6 = syz_open_dev$binder(&(0x7f0000000100)='/dev/binder#\x00', 0xffffffffffffffff, 0x0) mmap(&(0x7f0000001000/0x3000)=nil, 0x3000, 0x0, 0x20011, r6, 0x0) ioctl$BINDER_SET_CONTEXT_MGR(r6, 0x40046207, 0x0) ioctl$BINDER_WRITE_READ(r5, 0xc0306201, &(0x7f0000000300)={0x4, 0x0, &(0x7f0000000340)=ANY=[@ANYBLOB="11634840", @ANYBLOB], 0x0, 0x0, &(0x7f0000002000)}) ioctl$SNDRV_SEQ_IOCTL_GET_QUEUE_INFO(r3, 0xc08c5334, &(0x7f0000001280)={0x1, 0x2, 0x4, 'queue1\x00', 0x3ff}) ioctl$BINDER_WRITE_READ(r5, 0xc0306201, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140), 0x1, 0x0, &(0x7f0000000180)="b1"}) ioctl$BINDER_WRITE_READ(r6, 0xc0306201, &(0x7f00000000c0)={0x4, 0x0, &(0x7f0000000000)=[@register_looper={0x630b}], 0x48, 0x0, &(0x7f0000000040)="5e28a928b7b064604e0e282c5e59178e911afbbf407f5d60c0018fc63978a8215812c8a9dd1f30dd744e464f514cbb5ddacf40c59a28a69893bd1d1d2ce267e600c0adadbea88e26"}) ioctl$BINDER_WRITE_READ(r6, 0xc0306201, &(0x7f00000002c0)={0xc, 0x0, &(0x7f0000000500)=ANY=[@ANYBLOB="12634840", @ANYPTR=&(0x7f0000000380)=ANY=[]], 0x0, 0x0, &(0x7f0000000240)}) write$cgroup_pid(r3, &(0x7f0000000000)=ANY=[], 0x0) tkill(r0, 0x1000000000016) 16:58:45 executing program 7: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) socket$l2tp(0x18, 0x1, 0x1) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000080)={0xaa, 0xffffffffffffffff}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r0, 0x84, 0x8, &(0x7f0000000100), 0x4) r3 = fcntl$dupfd(r0, 0x0, r1) ioctl$EVIOCGNAME(r3, 0x80404506, &(0x7f0000000140)=""/34) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f00000000c0)={'veth1_to_bond\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="3177bdf585bfa730dc2af21d00533b48dfe98e7063dec8008800000000"]}) close(r2) r4 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x80, 0x0) close(r4) [ 711.150493] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 711.162300] FAULT_INJECTION: forcing a failure. [ 711.162300] name failslab, interval 1, probability 0, space 0, times 0 [ 711.173596] CPU: 1 PID: 14531 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 711.180973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 711.190337] Call Trace: [ 711.192964] dump_stack+0x1c9/0x2b4 [ 711.196614] ? dump_stack_print_info.cold.2+0x52/0x52 [ 711.201821] ? __save_stack_trace+0x8d/0xf0 [ 711.206181] should_fail.cold.4+0xa/0x1a [ 711.210273] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 711.215393] ? save_stack+0x43/0xd0 [ 711.219041] ? kasan_kmalloc+0xc4/0xe0 [ 711.222959] ? kmem_cache_alloc_trace+0x152/0x780 [ 711.227822] ? sctp_add_bind_addr+0x101/0x4b0 [ 711.232338] ? sctp_copy_local_addr_list+0x499/0x690 [ 711.237466] ? sctp_copy_one_addr+0x5d/0x170 [ 711.241901] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 711.247635] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 711.252505] ? sctp_sendmsg+0x18a2/0x1d90 [ 711.256688] ? inet_sendmsg+0x1a1/0x690 [ 711.260681] ? sock_sendmsg+0xd5/0x120 [ 711.264584] ? __sys_sendto+0x3d7/0x670 [ 711.268581] ? __x64_sys_sendto+0xe1/0x1a0 [ 711.272830] ? do_syscall_64+0x1b9/0x820 [ 711.276910] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 711.282298] ? graph_lock+0x170/0x170 [ 711.286222] ? print_usage_bug+0xc0/0xc0 [ 711.290309] ? print_usage_bug+0xc0/0xc0 [ 711.294394] ? graph_lock+0x170/0x170 16:58:45 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a60080000000000000f0683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:45 executing program 7: r0 = creat(&(0x7f0000000700)='./bus\x00', 0x0) ftruncate(r0, 0x2081fc) r1 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x800002, 0x11, r1, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000050c0)=[{{0x0, 0x0, &(0x7f0000004e00)=[{&(0x7f0000004dc0)=""/57, 0x39}], 0x1, &(0x7f0000004e80)=""/169, 0xa9}}], 0x1, 0x0, 0x0) mremap(&(0x7f0000008000/0x4000)=nil, 0x4000, 0x1000, 0x3, &(0x7f0000005000/0x1000)=nil) r2 = socket(0xa, 0x0, 0x0) ioctl(r2, 0x8912, &(0x7f0000000240)="c626262c8523bf012cf66f") madvise(&(0x7f0000003000/0x4000)=nil, 0x4000, 0x9) [ 711.298225] ? find_held_lock+0x36/0x1c0 [ 711.302406] ? lock_downgrade+0x8f0/0x8f0 [ 711.306663] __should_failslab+0x124/0x180 [ 711.310923] should_failslab+0x9/0x14 [ 711.314761] kmem_cache_alloc_trace+0x4b/0x780 [ 711.319367] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 711.323895] sctp_add_bind_addr+0x101/0x4b0 [ 711.328249] ? sctp_bind_addr_free+0x20/0x20 [ 711.333553] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 711.338773] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 711.343996] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 711.345146] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 711.349032] sctp_copy_local_addr_list+0x499/0x690 [ 711.349052] ? sctp_defaults_init+0xe70/0xe70 [ 711.349069] ? get_random_bytes+0x34/0x40 [ 711.349086] ? sctp_association_new+0x19e0/0x2190 [ 711.349114] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 711.349131] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.349154] sctp_copy_one_addr+0x5d/0x170 [ 711.392939] ? sctp_copy_one_addr+0x5d/0x170 [ 711.397376] sctp_bind_addr_copy+0x173/0x47c [ 711.401900] ? sctp_copy_one_addr+0x170/0x170 [ 711.406436] ? sctp_autobind+0x16d/0x1f0 [ 711.410547] ? sctp_do_bind+0x5f0/0x5f0 [ 711.414552] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 711.420241] ? security_sctp_bind_connect+0x99/0xc0 [ 711.425288] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 711.429983] ? sctp_sendmsg+0x1278/0x1d90 [ 711.434158] ? sctp_autobind+0x1f0/0x1f0 [ 711.438244] ? __local_bh_enable_ip+0x161/0x230 [ 711.442949] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 711.447985] ? lock_sock_nested+0x9f/0x120 [ 711.452244] ? trace_hardirqs_on+0xd/0x10 [ 711.456411] ? __local_bh_enable_ip+0x161/0x230 [ 711.461102] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 711.466660] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 711.471872] sctp_sendmsg+0x18a2/0x1d90 [ 711.475866] ? do_raw_spin_unlock+0xa7/0x2f0 [ 711.480299] ? sctp_id2assoc+0x3e0/0x3e0 [ 711.484384] ? _raw_spin_unlock_bh+0x30/0x40 [ 711.488812] ? __release_sock+0x3a0/0x3a0 [ 711.492987] inet_sendmsg+0x1a1/0x690 [ 711.496808] ? ipip_gro_receive+0x100/0x100 [ 711.501152] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 711.506705] ? security_socket_sendmsg+0x94/0xc0 [ 711.511570] ? ipip_gro_receive+0x100/0x100 [ 711.515958] sock_sendmsg+0xd5/0x120 [ 711.519706] __sys_sendto+0x3d7/0x670 [ 711.523521] ? __ia32_sys_getpeername+0xb0/0xb0 [ 711.528210] ? wait_for_completion+0x8d0/0x8d0 [ 711.531546] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 711.532807] ? __lock_is_held+0xb5/0x140 [ 711.532838] ? __sb_end_write+0xac/0xe0 [ 711.532857] ? fput+0x130/0x1a0 [ 711.532873] ? ksys_write+0x1ae/0x260 [ 711.532890] ? __ia32_sys_read+0xb0/0xb0 [ 711.532907] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 711.532934] __x64_sys_sendto+0xe1/0x1a0 [ 711.532952] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 711.577048] do_syscall_64+0x1b9/0x820 [ 711.580965] ? finish_task_switch+0x1d3/0x890 [ 711.585489] ? syscall_return_slowpath+0x5e0/0x5e0 [ 711.590447] ? syscall_return_slowpath+0x31d/0x5e0 [ 711.595412] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 711.600803] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 711.605679] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 711.610881] RIP: 0033:0x455ab9 [ 711.614082] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 711.633735] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 711.641468] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 16:58:45 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000300683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:45 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000280)={{0x2, 0x4e24, @broadcast=0xffffffff}, {0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x2, {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 'syz_tun\x00'}) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000080), 0x4) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000040)={0x0, 0x81}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f0000000300)={r3, 0xffff}, 0x8) ioctl$sock_kcm_SIOCKCMATTACH(r2, 0x89e0, &(0x7f0000000240)={r1, r2}) 16:58:46 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f511080001000201", 0x1a) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004500)=@rc, 0x80, &(0x7f0000004640), 0x0, &(0x7f0000004680)=""/160, 0x52}}, {{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x147, &(0x7f0000004b40)=""/206, 0xce}}], 0x2, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:46 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000006b3b683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 711.648837] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 711.656121] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 711.663405] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 711.670690] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 000000000000001c 16:58:46 executing program 1 (fault-call:4 fault-nth:29): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:46 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000280)={{0x2, 0x4e24, @broadcast=0xffffffff}, {0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x2, {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 'syz_tun\x00'}) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000080), 0x4) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000040)={0x0, 0x81}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f0000000300)={r3, 0xffff}, 0x8) ioctl$sock_kcm_SIOCKCMATTACH(r2, 0x89e0, &(0x7f0000000240)={r1, r2}) [ 711.727202] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 711.788962] FAULT_INJECTION: forcing a failure. [ 711.788962] name failslab, interval 1, probability 0, space 0, times 0 [ 711.800382] CPU: 1 PID: 14577 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 711.807760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 711.817123] Call Trace: [ 711.819736] dump_stack+0x1c9/0x2b4 [ 711.823393] ? dump_stack_print_info.cold.2+0x52/0x52 [ 711.828595] ? __save_stack_trace+0x8d/0xf0 [ 711.832921] should_fail.cold.4+0xa/0x1a [ 711.836975] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 711.842069] ? save_stack+0x43/0xd0 [ 711.845686] ? kasan_kmalloc+0xc4/0xe0 [ 711.849915] ? kmem_cache_alloc_trace+0x152/0x780 [ 711.854745] ? sctp_add_bind_addr+0x101/0x4b0 [ 711.859236] ? sctp_copy_local_addr_list+0x499/0x690 [ 711.864332] ? sctp_copy_one_addr+0x5d/0x170 [ 711.868732] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 711.874431] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 711.879279] ? sctp_sendmsg+0x18a2/0x1d90 [ 711.883435] ? inet_sendmsg+0x1a1/0x690 [ 711.887425] ? sock_sendmsg+0xd5/0x120 [ 711.891304] ? __sys_sendto+0x3d7/0x670 [ 711.895269] ? __x64_sys_sendto+0xe1/0x1a0 [ 711.899498] ? do_syscall_64+0x1b9/0x820 [ 711.903638] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 711.908996] ? graph_lock+0x170/0x170 [ 711.912794] ? print_usage_bug+0xc0/0xc0 [ 711.916872] ? print_usage_bug+0xc0/0xc0 [ 711.920937] ? graph_lock+0x170/0x170 [ 711.924734] ? find_held_lock+0x36/0x1c0 [ 711.928800] ? lock_downgrade+0x8f0/0x8f0 [ 711.932940] __should_failslab+0x124/0x180 [ 711.937171] should_failslab+0x9/0x14 [ 711.940996] kmem_cache_alloc_trace+0x4b/0x780 [ 711.945579] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 711.950071] sctp_add_bind_addr+0x101/0x4b0 [ 711.954488] ? sctp_bind_addr_free+0x20/0x20 [ 711.958904] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 711.964086] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 711.969269] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 711.974277] sctp_copy_local_addr_list+0x499/0x690 [ 711.979207] ? sctp_defaults_init+0xe70/0xe70 [ 711.983693] ? get_random_bytes+0x34/0x40 [ 711.987842] ? sctp_association_new+0x19e0/0x2190 [ 711.992683] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 711.997867] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.003407] sctp_copy_one_addr+0x5d/0x170 [ 712.007646] ? sctp_copy_one_addr+0x5d/0x170 [ 712.012058] sctp_bind_addr_copy+0x173/0x47c [ 712.016458] ? sctp_copy_one_addr+0x170/0x170 [ 712.020942] ? sctp_autobind+0x16d/0x1f0 [ 712.024998] ? sctp_do_bind+0x5f0/0x5f0 [ 712.028973] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 712.034501] ? security_sctp_bind_connect+0x99/0xc0 [ 712.039508] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 712.044167] ? sctp_sendmsg+0x1278/0x1d90 [ 712.048398] ? sctp_autobind+0x1f0/0x1f0 [ 712.052456] ? __local_bh_enable_ip+0x161/0x230 [ 712.057117] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 712.062126] ? lock_sock_nested+0x9f/0x120 [ 712.066392] ? trace_hardirqs_on+0xd/0x10 [ 712.070531] ? __local_bh_enable_ip+0x161/0x230 [ 712.075193] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 712.080736] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 712.085920] sctp_sendmsg+0x18a2/0x1d90 [ 712.089902] ? do_raw_spin_unlock+0xa7/0x2f0 [ 712.094301] ? sctp_id2assoc+0x3e0/0x3e0 [ 712.098372] ? _raw_spin_unlock_bh+0x30/0x40 [ 712.102775] ? __release_sock+0x3a0/0x3a0 [ 712.106922] inet_sendmsg+0x1a1/0x690 [ 712.110726] ? ipip_gro_receive+0x100/0x100 [ 712.115042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.120568] ? security_socket_sendmsg+0x94/0xc0 [ 712.125325] ? ipip_gro_receive+0x100/0x100 [ 712.129641] sock_sendmsg+0xd5/0x120 [ 712.133349] __sys_sendto+0x3d7/0x670 [ 712.137142] ? __ia32_sys_getpeername+0xb0/0xb0 [ 712.141807] ? wait_for_completion+0x8d0/0x8d0 [ 712.146383] ? __lock_is_held+0xb5/0x140 [ 712.150455] ? __sb_end_write+0xac/0xe0 [ 712.154430] ? fput+0x130/0x1a0 [ 712.157718] ? ksys_write+0x1ae/0x260 [ 712.161509] ? __ia32_sys_read+0xb0/0xb0 [ 712.165574] ? syscall_slow_exit_work+0x500/0x500 [ 712.170408] __x64_sys_sendto+0xe1/0x1a0 [ 712.174460] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 712.179466] do_syscall_64+0x1b9/0x820 [ 712.183344] ? finish_task_switch+0x1d3/0x890 [ 712.187845] ? syscall_return_slowpath+0x5e0/0x5e0 [ 712.192778] ? syscall_return_slowpath+0x31d/0x5e0 [ 712.197702] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 712.203060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 712.207901] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 712.213078] RIP: 0033:0x455ab9 [ 712.216248] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 712.235491] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 712.243193] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 712.250463] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 712.257721] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 712.264983] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 712.272260] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 000000000000001d 16:58:46 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x4000, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:46 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc}) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) ioctl$VHOST_SET_VRING_ERR(r3, 0x4008af22, &(0x7f0000000040)={0x3, r3}) write$cgroup_pid(r3, &(0x7f0000000000)=ANY=[], 0x0) ioctl$FS_IOC_RESVSP(r3, 0x40305828, &(0x7f0000000080)={0x0, 0x4, 0x8, 0x1}) tkill(r0, 0x1000000000016) 16:58:46 executing program 2: r0 = semget$private(0x0, 0x7, 0x0) unshare(0x20010000) semtimedop(r0, &(0x7f0000000140)=[{0x3, 0xfffffffffffffff9, 0x1000}], 0x1, &(0x7f0000efe000)={0x2000}) semtimedop(r0, &(0x7f00000001c0)=[{0x3, 0x8001}], 0x1, &(0x7f0000000200)={0x77359400}) semctl$SETALL(r0, 0x0, 0x11, &(0x7f0000003000)=[0x0, 0x0, 0x0, 0x7fff]) unshare(0x8000000) 16:58:46 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000001430baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:46 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000003683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:46 executing program 1 (fault-call:4 fault-nth:30): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 712.446562] FAULT_INJECTION: forcing a failure. [ 712.446562] name failslab, interval 1, probability 0, space 0, times 0 [ 712.458023] CPU: 0 PID: 14599 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 712.465542] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 712.474911] Call Trace: [ 712.477520] dump_stack+0x1c9/0x2b4 [ 712.481169] ? dump_stack_print_info.cold.2+0x52/0x52 [ 712.486389] ? __save_stack_trace+0x8d/0xf0 [ 712.490766] should_fail.cold.4+0xa/0x1a [ 712.494849] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 712.499975] ? save_stack+0x43/0xd0 [ 712.503619] ? kasan_kmalloc+0xc4/0xe0 [ 712.507524] ? kmem_cache_alloc_trace+0x152/0x780 [ 712.512390] ? sctp_add_bind_addr+0x101/0x4b0 [ 712.516904] ? sctp_copy_local_addr_list+0x499/0x690 [ 712.522024] ? sctp_copy_one_addr+0x5d/0x170 [ 712.526457] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 712.532184] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 712.537048] ? sctp_sendmsg+0x18a2/0x1d90 [ 712.541219] ? inet_sendmsg+0x1a1/0x690 [ 712.545206] ? sock_sendmsg+0xd5/0x120 [ 712.549087] ? __sys_sendto+0x3d7/0x670 [ 712.553050] ? __x64_sys_sendto+0xe1/0x1a0 [ 712.557275] ? do_syscall_64+0x1b9/0x820 [ 712.561326] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 712.566688] ? graph_lock+0x170/0x170 [ 712.570477] ? print_usage_bug+0xc0/0xc0 [ 712.574525] ? print_usage_bug+0xc0/0xc0 [ 712.578577] ? graph_lock+0x170/0x170 [ 712.582365] ? find_held_lock+0x36/0x1c0 [ 712.586425] ? lock_downgrade+0x8f0/0x8f0 [ 712.590566] __should_failslab+0x124/0x180 [ 712.594803] should_failslab+0x9/0x14 [ 712.598596] kmem_cache_alloc_trace+0x4b/0x780 [ 712.603171] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 712.608357] ? __sanitizer_cov_trace_cmp2+0x18/0x20 [ 712.613473] sctp_add_bind_addr+0x101/0x4b0 [ 712.617785] ? sctp_bind_addr_free+0x20/0x20 [ 712.622185] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 712.627365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 712.632891] ? sctp_v4_scope+0x19b/0x1c0 [ 712.637032] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 712.642296] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 712.647302] sctp_copy_local_addr_list+0x499/0x690 [ 712.652220] ? sctp_defaults_init+0xe70/0xe70 [ 712.656703] ? get_random_bytes+0x34/0x40 [ 712.660841] ? sctp_association_new+0x19e0/0x2190 [ 712.665677] ? alloc_counters.isra.11+0xb7/0x840 [ 712.670431] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 712.675614] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.681142] sctp_copy_one_addr+0x5d/0x170 [ 712.685364] ? sctp_copy_one_addr+0x5d/0x170 [ 712.689759] sctp_bind_addr_copy+0x173/0x47c [ 712.694154] ? sctp_copy_one_addr+0x170/0x170 [ 712.698646] ? sctp_autobind+0x16d/0x1f0 [ 712.702694] ? sctp_do_bind+0x5f0/0x5f0 [ 712.706661] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 712.712185] ? security_sctp_bind_connect+0x99/0xc0 [ 712.717189] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 712.721847] ? sctp_sendmsg+0x1278/0x1d90 [ 712.725997] ? sctp_autobind+0x1f0/0x1f0 [ 712.730051] ? __local_bh_enable_ip+0x161/0x230 [ 712.734719] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 712.739733] ? lock_sock_nested+0x9f/0x120 [ 712.744046] ? trace_hardirqs_on+0xd/0x10 [ 712.748204] ? __local_bh_enable_ip+0x161/0x230 [ 712.752874] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 712.758400] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 712.763597] sctp_sendmsg+0x18a2/0x1d90 [ 712.767561] ? do_raw_spin_unlock+0xa7/0x2f0 [ 712.771975] ? sctp_id2assoc+0x3e0/0x3e0 [ 712.776039] ? _raw_spin_unlock_bh+0x30/0x40 [ 712.780441] ? __release_sock+0x3a0/0x3a0 [ 712.784586] inet_sendmsg+0x1a1/0x690 [ 712.788376] ? ipip_gro_receive+0x100/0x100 [ 712.792692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 712.798226] ? security_socket_sendmsg+0x94/0xc0 [ 712.802977] ? ipip_gro_receive+0x100/0x100 [ 712.807306] sock_sendmsg+0xd5/0x120 [ 712.811021] __sys_sendto+0x3d7/0x670 [ 712.814810] ? __ia32_sys_getpeername+0xb0/0xb0 [ 712.819478] ? wait_for_completion+0x8d0/0x8d0 [ 712.824059] ? __lock_is_held+0xb5/0x140 [ 712.828114] ? __sb_end_write+0xac/0xe0 [ 712.832088] ? fput+0x130/0x1a0 [ 712.835355] ? ksys_write+0x1ae/0x260 [ 712.839145] ? __ia32_sys_read+0xb0/0xb0 [ 712.843195] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 712.848724] __x64_sys_sendto+0xe1/0x1a0 [ 712.852776] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 712.857783] do_syscall_64+0x1b9/0x820 [ 712.861657] ? finish_task_switch+0x1d3/0x890 [ 712.866141] ? syscall_return_slowpath+0x5e0/0x5e0 [ 712.871058] ? syscall_return_slowpath+0x31d/0x5e0 [ 712.875980] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 712.881336] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 712.886178] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 712.891351] RIP: 0033:0x455ab9 [ 712.894518] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 712.913765] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 712.921463] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 712.928729] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 712.935983] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c 16:58:46 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000280)={{0x2, 0x4e24, @broadcast=0xffffffff}, {0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x2, {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 'syz_tun\x00'}) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000080), 0x4) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000040)={0x0, 0x81}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f0000000300)={r3, 0xffff}, 0x8) ioctl$sock_kcm_SIOCKCMATTACH(r2, 0x89e0, &(0x7f0000000240)={r1, r2}) 16:58:47 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000330baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:47 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f511080001000201", 0x1a) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004500)=@rc, 0x80, &(0x7f0000004640), 0x0, &(0x7f0000004680)=""/160, 0x52}}, {{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x147, &(0x7f0000004b40)=""/206, 0xce}}], 0x2, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 712.943239] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 712.950493] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 000000000000001e [ 712.968798] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. 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Check SNMP counters. 16:58:47 executing program 1 (fault-call:4 fault-nth:31): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:47 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a60080000000000037ad683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 713.079881] FAULT_INJECTION: forcing a failure. [ 713.079881] name failslab, interval 1, probability 0, space 0, times 0 [ 713.091305] CPU: 0 PID: 14615 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 713.098684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 713.108056] Call Trace: [ 713.110648] dump_stack+0x1c9/0x2b4 [ 713.114308] ? dump_stack_print_info.cold.2+0x52/0x52 [ 713.119500] ? __save_stack_trace+0x8d/0xf0 [ 713.123818] should_fail.cold.4+0xa/0x1a [ 713.127867] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 713.132963] ? save_stack+0x43/0xd0 [ 713.136588] ? kasan_kmalloc+0xc4/0xe0 [ 713.140463] ? kmem_cache_alloc_trace+0x152/0x780 [ 713.145303] ? sctp_add_bind_addr+0x101/0x4b0 [ 713.149788] ? sctp_copy_local_addr_list+0x499/0x690 [ 713.154879] ? sctp_copy_one_addr+0x5d/0x170 [ 713.159282] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 713.164982] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 713.169811] ? sctp_sendmsg+0x18a2/0x1d90 [ 713.173948] ? inet_sendmsg+0x1a1/0x690 [ 713.177908] ? sock_sendmsg+0xd5/0x120 [ 713.181794] ? __sys_sendto+0x3d7/0x670 [ 713.185756] ? __x64_sys_sendto+0xe1/0x1a0 [ 713.189992] ? do_syscall_64+0x1b9/0x820 [ 713.194062] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 713.199417] ? graph_lock+0x170/0x170 [ 713.203208] ? find_held_lock+0x36/0x1c0 [ 713.208266] ? print_usage_bug+0xc0/0xc0 [ 713.212326] ? graph_lock+0x170/0x170 [ 713.216117] ? find_held_lock+0x36/0x1c0 [ 713.220171] ? lock_downgrade+0x8f0/0x8f0 [ 713.224317] __should_failslab+0x124/0x180 [ 713.228543] should_failslab+0x9/0x14 [ 713.232330] kmem_cache_alloc_trace+0x4b/0x780 [ 713.236903] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 713.242080] ? __sanitizer_cov_trace_cmp2+0x18/0x20 [ 713.247088] sctp_add_bind_addr+0x101/0x4b0 [ 713.251401] ? sctp_bind_addr_free+0x20/0x20 [ 713.255799] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 713.260975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 713.266500] ? sctp_v4_scope+0x19b/0x1c0 [ 713.270556] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 713.275735] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 713.280743] sctp_copy_local_addr_list+0x499/0x690 [ 713.285662] ? sctp_defaults_init+0xe70/0xe70 [ 713.290143] ? get_random_bytes+0x34/0x40 [ 713.294277] ? sctp_association_new+0x19e0/0x2190 [ 713.299122] ? alloc_counters.isra.11+0xb7/0x840 [ 713.303865] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 713.309044] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 713.314581] sctp_copy_one_addr+0x5d/0x170 [ 713.318804] ? sctp_copy_one_addr+0x5d/0x170 [ 713.323211] sctp_bind_addr_copy+0x173/0x47c [ 713.327616] ? sctp_copy_one_addr+0x170/0x170 [ 713.332098] ? sctp_autobind+0x16d/0x1f0 [ 713.336142] ? sctp_do_bind+0x5f0/0x5f0 [ 713.340114] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 713.345637] ? security_sctp_bind_connect+0x99/0xc0 [ 713.350642] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 713.355307] ? sctp_sendmsg+0x1278/0x1d90 [ 713.359454] ? sctp_autobind+0x1f0/0x1f0 [ 713.363503] ? __local_bh_enable_ip+0x161/0x230 [ 713.368162] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 713.373165] ? lock_sock_nested+0x9f/0x120 [ 713.377478] ? trace_hardirqs_on+0xd/0x10 [ 713.381610] ? __local_bh_enable_ip+0x161/0x230 [ 713.386265] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 713.392402] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 713.397590] sctp_sendmsg+0x18a2/0x1d90 [ 713.401554] ? do_raw_spin_unlock+0xa7/0x2f0 [ 713.405960] ? sctp_id2assoc+0x3e0/0x3e0 [ 713.410011] ? _raw_spin_unlock_bh+0x30/0x40 [ 713.414409] ? __release_sock+0x3a0/0x3a0 [ 713.418573] inet_sendmsg+0x1a1/0x690 [ 713.422364] ? ipip_gro_receive+0x100/0x100 [ 713.426674] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 713.432197] ? security_socket_sendmsg+0x94/0xc0 [ 713.436942] ? ipip_gro_receive+0x100/0x100 [ 713.441260] sock_sendmsg+0xd5/0x120 [ 713.444970] __sys_sendto+0x3d7/0x670 [ 713.448772] ? __ia32_sys_getpeername+0xb0/0xb0 [ 713.453433] ? wait_for_completion+0x8d0/0x8d0 [ 713.458016] ? __lock_is_held+0xb5/0x140 [ 713.462078] ? __sb_end_write+0xac/0xe0 [ 713.466040] ? fput+0x130/0x1a0 [ 713.469327] ? ksys_write+0x1ae/0x260 [ 713.473122] ? __ia32_sys_read+0xb0/0xb0 [ 713.477172] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 713.482702] __x64_sys_sendto+0xe1/0x1a0 [ 713.486754] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 713.491761] do_syscall_64+0x1b9/0x820 [ 713.495637] ? finish_task_switch+0x1d3/0x890 [ 713.500121] ? syscall_return_slowpath+0x5e0/0x5e0 [ 713.505043] ? syscall_return_slowpath+0x31d/0x5e0 [ 713.509965] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 713.515317] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 713.520165] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 713.525690] RIP: 0033:0x455ab9 [ 713.528860] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 713.548120] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 713.555834] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 713.563097] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 713.570438] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c 16:58:48 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) socket$inet6_icmp_raw(0xa, 0x3, 0x3a) bind$alg(r0, &(0x7f0000b5dfa8)={0x26, 'hash\x00', 0x0, 0x0, 'sha224-generic\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r1, &(0x7f00000002c0)=[{0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000040)="4c2afde682ef0adbb1cf6d648805373dd17221cf77", 0x15}], 0x1, &(0x7f00000000c0)}], 0x1, 0x400c011) fchmod(r1, 0x100) r2 = open(&(0x7f00004b8ff8)='./file0\x00', 0x28042, 0x0) ioctl$EVIOCSKEYCODE_V2(r2, 0x40284504, &(0x7f0000000000)={0x401, 0x0, 0x3fc000000000, 0xfffffffffffffffa, "751e846eadedb87158b573d4b915e48c791ac24b2a234f7d00d686052df7572a"}) fallocate(r2, 0x0, 0x0, 0x73e0) sendfile(r1, r2, &(0x7f00007ed000), 0x2b) [ 713.577694] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 713.584954] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 000000000000001f 16:58:48 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000280)={{0x2, 0x4e24, @broadcast=0xffffffff}, {0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x2, {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 'syz_tun\x00'}) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000080), 0x4) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000040)={0x0, 0x81}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f0000000300)={r3, 0xffff}, 0x8) ioctl$sock_kcm_SIOCKCMATTACH(r2, 0x89e0, &(0x7f0000000240)={r1, r2}) 16:58:48 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) perf_event_open(&(0x7f0000000040)={0x5, 0x70, 0x101, 0x0, 0x100000000000000, 0xc50, 0x0, 0x20, 0x42000, 0xb, 0x1, 0x9, 0x9, 0x2, 0x401, 0xfff, 0x5ec, 0x17, 0xffffffffffff4479, 0x1, 0x4, 0x4, 0x1, 0xffffffffffffffe1, 0x8, 0x3, 0x8001, 0x1f, 0xc29d, 0x5, 0x0, 0x295, 0x6, 0x401, 0x4, 0x74, 0x349c289c, 0x1, 0x0, 0x8000, 0x2, @perf_config_ext={0x7, 0x8000}, 0x11080, 0x1d7583a3, 0x0, 0x5, 0x2, 0xfff}, r0, 0x7, r3, 0x0) [ 713.633635] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:48 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x10, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:48 executing program 1 (fault-call:4 fault-nth:32): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:48 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a600800000000000095d683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:48 executing program 2: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000ff7)='/dev/ppp\x00', 0x0, 0x0) ioctl$EVIOCGPROP(r0, 0xc004743e, &(0x7f0000000400)=""/246) stat(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) setfsgid(r1) ioctl$sock_bt_hidp_HIDPGETCONNLIST(0xffffffffffffffff, 0x800448d2, &(0x7f0000000000)={0x1, &(0x7f0000000240)=[{}]}) ioctl$EVIOCGREP(r0, 0x40107446, &(0x7f0000000000)=""/174) 16:58:48 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(0xffffffffffffffff, &(0x7f0000004c40)=[{{&(0x7f0000004500)=@rc, 0x80, &(0x7f0000004640), 0x0, &(0x7f0000004680)=""/160, 0x52}}, {{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x147, &(0x7f0000004b40)=""/206, 0xce}}], 0x2, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:48 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000630baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 713.828867] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:48 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000280)={{0x2, 0x4e24, @broadcast=0xffffffff}, {0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x2, {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 'syz_tun\x00'}) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000080), 0x4) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000040)={0x0, 0x81}, &(0x7f00000001c0)=0x8) setsockopt$inet_sctp_SCTP_CONTEXT(r2, 0x84, 0x11, &(0x7f0000000300)={r3, 0xffff}, 0x8) [ 713.908934] FAULT_INJECTION: forcing a failure. [ 713.908934] name failslab, interval 1, probability 0, space 0, times 0 [ 713.920398] CPU: 0 PID: 14644 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 713.927773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 713.937138] Call Trace: [ 713.939836] dump_stack+0x1c9/0x2b4 [ 713.943490] ? dump_stack_print_info.cold.2+0x52/0x52 [ 713.948700] ? __save_stack_trace+0x8d/0xf0 [ 713.953048] should_fail.cold.4+0xa/0x1a [ 713.957136] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 713.962284] ? save_stack+0x43/0xd0 [ 713.965911] ? kasan_kmalloc+0xc4/0xe0 [ 713.969795] ? kmem_cache_alloc_trace+0x152/0x780 [ 713.974636] ? sctp_add_bind_addr+0x101/0x4b0 [ 713.979127] ? sctp_copy_local_addr_list+0x499/0x690 [ 713.984227] ? sctp_copy_one_addr+0x5d/0x170 [ 713.988625] ? print_usage_bug+0xc0/0xc0 [ 713.992689] ? sctp_sendmsg+0x18a2/0x1d90 [ 713.996827] ? inet_sendmsg+0x1a1/0x690 [ 714.000796] ? sock_sendmsg+0xd5/0x120 [ 714.004673] ? __sys_sendto+0x3d7/0x670 [ 714.008633] ? __x64_sys_sendto+0xe1/0x1a0 [ 714.012855] ? do_syscall_64+0x1b9/0x820 [ 714.016904] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 714.022260] ? graph_lock+0x170/0x170 [ 714.026048] ? print_usage_bug+0xc0/0xc0 [ 714.030103] ? print_usage_bug+0xc0/0xc0 [ 714.034153] ? graph_lock+0x170/0x170 [ 714.037942] ? find_held_lock+0x36/0x1c0 [ 714.041998] ? lock_downgrade+0x8f0/0x8f0 [ 714.046139] __should_failslab+0x124/0x180 [ 714.050368] should_failslab+0x9/0x14 [ 714.054169] kmem_cache_alloc_trace+0x4b/0x780 [ 714.058742] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 714.063746] sctp_add_bind_addr+0x101/0x4b0 [ 714.068055] ? sctp_bind_addr_free+0x20/0x20 [ 714.072455] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 714.077635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 714.083158] ? sctp_v4_scope+0x19b/0x1c0 [ 714.087207] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 714.092397] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 714.097411] sctp_copy_local_addr_list+0x499/0x690 [ 714.102329] ? sctp_defaults_init+0xe70/0xe70 [ 714.106811] ? get_random_bytes+0x34/0x40 [ 714.110944] ? sctp_association_new+0x19e0/0x2190 [ 714.115779] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 714.120956] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.126485] sctp_copy_one_addr+0x5d/0x170 [ 714.130706] ? sctp_copy_one_addr+0x5d/0x170 [ 714.135108] sctp_bind_addr_copy+0x173/0x47c [ 714.139517] ? sctp_copy_one_addr+0x170/0x170 [ 714.144014] ? sctp_autobind+0x16d/0x1f0 [ 714.148148] ? sctp_do_bind+0x5f0/0x5f0 [ 714.152113] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 714.157646] ? security_sctp_bind_connect+0x99/0xc0 [ 714.162652] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 714.167394] ? sctp_sendmsg+0x1278/0x1d90 [ 714.171535] ? sctp_autobind+0x1f0/0x1f0 [ 714.175584] ? __local_bh_enable_ip+0x161/0x230 [ 714.180243] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 714.185245] ? lock_sock_nested+0x9f/0x120 [ 714.189471] ? trace_hardirqs_on+0xd/0x10 [ 714.193606] ? __local_bh_enable_ip+0x161/0x230 [ 714.198353] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 714.203878] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 714.209056] sctp_sendmsg+0x18a2/0x1d90 [ 714.213036] ? do_raw_spin_unlock+0xa7/0x2f0 [ 714.217432] ? sctp_id2assoc+0x3e0/0x3e0 [ 714.221492] ? _raw_spin_unlock_bh+0x30/0x40 [ 714.225887] ? __release_sock+0x3a0/0x3a0 [ 714.230035] inet_sendmsg+0x1a1/0x690 [ 714.233824] ? ipip_gro_receive+0x100/0x100 [ 714.238136] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.243660] ? security_socket_sendmsg+0x94/0xc0 [ 714.248402] ? ipip_gro_receive+0x100/0x100 [ 714.252709] sock_sendmsg+0xd5/0x120 [ 714.256422] __sys_sendto+0x3d7/0x670 [ 714.260298] ? __ia32_sys_getpeername+0xb0/0xb0 [ 714.264955] ? wait_for_completion+0x8d0/0x8d0 [ 714.269526] ? __lock_is_held+0xb5/0x140 [ 714.273585] ? __sb_end_write+0xac/0xe0 [ 714.277543] ? fput+0x130/0x1a0 [ 714.280808] ? ksys_write+0x1ae/0x260 [ 714.284593] ? __ia32_sys_read+0xb0/0xb0 [ 714.288637] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 714.294163] __x64_sys_sendto+0xe1/0x1a0 [ 714.298216] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 714.303233] do_syscall_64+0x1b9/0x820 [ 714.307106] ? finish_task_switch+0x1d3/0x890 [ 714.311597] ? syscall_return_slowpath+0x5e0/0x5e0 [ 714.316512] ? syscall_return_slowpath+0x31d/0x5e0 [ 714.321431] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 714.326782] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.331618] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 714.336790] RIP: 0033:0x455ab9 [ 714.339959] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 16:58:48 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:48 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000ffff40150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 714.359213] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 714.366909] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 714.374163] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 714.381416] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 714.388684] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 714.395937] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 0000000000000020 16:58:48 executing program 2: r0 = gettid() r1 = socket$inet6(0xa, 0x1, 0x0) ioctl(r1, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") process_vm_writev(r0, &(0x7f00000016c0)=[{}, {&(0x7f0000001500)=""/235, 0xeb}], 0x2, &(0x7f0000002800)=[{&(0x7f0000000080)=""/23, 0x17}, {&(0x7f0000001740)=""/155, 0x9b}, {&(0x7f0000001800)=""/4096, 0x1000}], 0x3, 0x0) r2 = open(&(0x7f0000000000)='./file0\x00', 0x80, 0x44) getsockopt$inet_sctp_SCTP_DELAYED_SACK(0xffffffffffffff9c, 0x84, 0x10, &(0x7f0000000040)=@sack_info={0x0, 0x3, 0x6}, &(0x7f00000000c0)=0x3e2) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r2, 0x84, 0x13, &(0x7f0000000140)={r3, 0x400}, &(0x7f0000000180)=0x8) 16:58:48 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40), 0x0, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:48 executing program 1 (fault-call:4 fault-nth:33): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 714.475480] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:48 executing program 2: r0 = socket$kcm(0x29, 0x2, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="0047fc2f07d82c99240970") r1 = syz_open_dev$dmmidi(&(0x7f0000000080)='/dev/dmmidi#\x00', 0x0, 0x200000) ioctl$ION_IOC_ALLOC(r0, 0xc0184900, &(0x7f00000002c0)={0x2, 0x32, 0x1, 0xffffffffffffffff}) ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000300)={0x140000000000, 0x32, 0x1, r2}) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)=@vsock, 0xfffffffffffffef2, &(0x7f00000000c0)=[{&(0x7f0000000180)=""/154, 0xffffffffffffff3a}], 0x1, &(0x7f0000000240)=""/105, 0x69}, 0x0) read(r3, &(0x7f00000012c0)=""/4096, 0x9b6) close(r3) sendmsg(r4, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000100), 0x28a, &(0x7f0000000000)}, 0x0) [ 714.563787] FAULT_INJECTION: forcing a failure. [ 714.563787] name failslab, interval 1, probability 0, space 0, times 0 [ 714.575148] CPU: 1 PID: 14673 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 714.582514] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 714.591865] Call Trace: [ 714.594461] dump_stack+0x1c9/0x2b4 [ 714.598083] ? dump_stack_print_info.cold.2+0x52/0x52 [ 714.603264] ? __save_stack_trace+0x8d/0xf0 [ 714.607781] should_fail.cold.4+0xa/0x1a [ 714.611850] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 714.616944] ? save_stack+0x43/0xd0 [ 714.620559] ? kasan_kmalloc+0xc4/0xe0 [ 714.624432] ? kmem_cache_alloc_trace+0x152/0x780 [ 714.629260] ? sctp_add_bind_addr+0x101/0x4b0 [ 714.633748] ? sctp_copy_local_addr_list+0x499/0x690 [ 714.638837] ? sctp_copy_one_addr+0x5d/0x170 [ 714.643251] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 714.648950] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 714.653778] ? sctp_sendmsg+0x18a2/0x1d90 [ 714.657917] ? inet_sendmsg+0x1a1/0x690 [ 714.661882] ? sock_sendmsg+0xd5/0x120 [ 714.665756] ? __sys_sendto+0x3d7/0x670 [ 714.669727] ? __x64_sys_sendto+0xe1/0x1a0 [ 714.673953] ? do_syscall_64+0x1b9/0x820 [ 714.678015] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 714.683371] ? graph_lock+0x170/0x170 [ 714.687162] ? find_held_lock+0x36/0x1c0 [ 714.691217] ? print_usage_bug+0xc0/0xc0 [ 714.695274] ? graph_lock+0x170/0x170 [ 714.699081] ? find_held_lock+0x36/0x1c0 [ 714.703159] ? lock_downgrade+0x8f0/0x8f0 [ 714.707297] __should_failslab+0x124/0x180 [ 714.711524] should_failslab+0x9/0x14 [ 714.715316] kmem_cache_alloc_trace+0x4b/0x780 [ 714.719892] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 714.724379] sctp_add_bind_addr+0x101/0x4b0 [ 714.728709] ? sctp_bind_addr_free+0x20/0x20 [ 714.733109] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 714.738461] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 714.743640] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 714.748649] sctp_copy_local_addr_list+0x499/0x690 [ 714.753572] ? sctp_defaults_init+0xe70/0xe70 [ 714.758058] ? get_random_bytes+0x34/0x40 [ 714.762198] ? sctp_association_new+0x19e0/0x2190 [ 714.767038] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 714.772219] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.777745] sctp_copy_one_addr+0x5d/0x170 [ 714.781966] ? sctp_copy_one_addr+0x5d/0x170 [ 714.786464] sctp_bind_addr_copy+0x173/0x47c [ 714.790872] ? sctp_copy_one_addr+0x170/0x170 [ 714.795352] ? sctp_autobind+0x16d/0x1f0 [ 714.799400] ? sctp_do_bind+0x5f0/0x5f0 [ 714.803367] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 714.808900] ? security_sctp_bind_connect+0x99/0xc0 [ 714.813924] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 714.818756] ? sctp_sendmsg+0x1278/0x1d90 [ 714.822896] ? sctp_autobind+0x1f0/0x1f0 [ 714.826948] ? __local_bh_enable_ip+0x161/0x230 [ 714.831697] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 714.836706] ? lock_sock_nested+0x9f/0x120 [ 714.840930] ? trace_hardirqs_on+0xd/0x10 [ 714.845075] ? __local_bh_enable_ip+0x161/0x230 [ 714.849740] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 714.855271] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 714.860459] sctp_sendmsg+0x18a2/0x1d90 [ 714.864444] ? do_raw_spin_unlock+0xa7/0x2f0 [ 714.868870] ? sctp_id2assoc+0x3e0/0x3e0 [ 714.872923] ? _raw_spin_unlock_bh+0x30/0x40 [ 714.877321] ? __release_sock+0x3a0/0x3a0 [ 714.881467] inet_sendmsg+0x1a1/0x690 [ 714.885258] ? ipip_gro_receive+0x100/0x100 [ 714.889570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 714.895095] ? security_socket_sendmsg+0x94/0xc0 [ 714.899846] ? ipip_gro_receive+0x100/0x100 [ 714.904156] sock_sendmsg+0xd5/0x120 [ 714.907862] __sys_sendto+0x3d7/0x670 [ 714.911739] ? __ia32_sys_getpeername+0xb0/0xb0 [ 714.916407] ? wait_for_completion+0x8d0/0x8d0 [ 714.920984] ? __lock_is_held+0xb5/0x140 [ 714.925047] ? __sb_end_write+0xac/0xe0 [ 714.929035] ? fput+0x130/0x1a0 [ 714.932305] ? ksys_write+0x1ae/0x260 [ 714.936115] ? __ia32_sys_read+0xb0/0xb0 [ 714.940170] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 714.945703] __x64_sys_sendto+0xe1/0x1a0 [ 714.949766] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 714.954778] do_syscall_64+0x1b9/0x820 [ 714.958668] ? finish_task_switch+0x1d3/0x890 [ 714.963151] ? syscall_return_slowpath+0x5e0/0x5e0 [ 714.968067] ? syscall_return_slowpath+0x31d/0x5e0 [ 714.972995] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 714.978352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 714.983195] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 714.988370] RIP: 0033:0x455ab9 [ 714.991541] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 16:58:49 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000004001683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:49 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) socketpair$inet6_udp(0xa, 0x2, 0x0, &(0x7f0000000040)) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) [ 715.010796] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 715.018494] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 715.025761] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 715.033031] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 715.041206] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 715.048466] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 0000000000000021 16:58:49 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40), 0x0, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:49 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x1000000000000000, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:49 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000280)={{0x2, 0x4e24, @broadcast=0xffffffff}, {0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x2, {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 'syz_tun\x00'}) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000080), 0x4) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000040)={0x0, 0x81}, &(0x7f00000001c0)=0x8) [ 715.104722] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:49 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000c30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:49 executing program 1 (fault-call:4 fault-nth:34): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:49 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40), 0x0, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 715.263291] FAULT_INJECTION: forcing a failure. [ 715.263291] name failslab, interval 1, probability 0, space 0, times 0 [ 715.274776] CPU: 1 PID: 14698 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 715.282155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 715.291527] Call Trace: [ 715.294130] dump_stack+0x1c9/0x2b4 [ 715.297776] ? dump_stack_print_info.cold.2+0x52/0x52 [ 715.302980] ? __save_stack_trace+0x8d/0xf0 [ 715.307330] should_fail.cold.4+0xa/0x1a [ 715.311561] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 715.316688] ? save_stack+0x43/0xd0 [ 715.320333] ? kasan_kmalloc+0xc4/0xe0 [ 715.324236] ? kmem_cache_alloc_trace+0x152/0x780 [ 715.329098] ? sctp_add_bind_addr+0x101/0x4b0 [ 715.333707] ? sctp_copy_local_addr_list+0x499/0x690 [ 715.338827] ? sctp_copy_one_addr+0x5d/0x170 [ 715.343264] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 715.348999] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 715.353851] ? sctp_sendmsg+0x18a2/0x1d90 [ 715.358020] ? inet_sendmsg+0x1a1/0x690 [ 715.361995] ? sock_sendmsg+0xd5/0x120 [ 715.365884] ? __sys_sendto+0x3d7/0x670 [ 715.369937] ? __x64_sys_sendto+0xe1/0x1a0 [ 715.374164] ? do_syscall_64+0x1b9/0x820 [ 715.378311] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 715.383680] ? graph_lock+0x170/0x170 [ 715.387474] ? print_usage_bug+0xc0/0xc0 [ 715.391528] ? print_usage_bug+0xc0/0xc0 [ 715.395585] ? graph_lock+0x170/0x170 [ 715.399378] ? find_held_lock+0x36/0x1c0 [ 715.403435] ? lock_downgrade+0x8f0/0x8f0 [ 715.407573] __should_failslab+0x124/0x180 [ 715.411803] should_failslab+0x9/0x14 [ 715.415591] kmem_cache_alloc_trace+0x4b/0x780 [ 715.420167] ? __sctp_v6_cmp_addr+0x1d9/0x530 [ 715.424654] sctp_add_bind_addr+0x101/0x4b0 [ 715.428977] ? sctp_bind_addr_free+0x20/0x20 [ 715.433466] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 715.438669] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 715.443873] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 715.448897] sctp_copy_local_addr_list+0x499/0x690 [ 715.453820] ? sctp_defaults_init+0xe70/0xe70 [ 715.458309] ? get_random_bytes+0x34/0x40 [ 715.462455] ? sctp_association_new+0x19e0/0x2190 [ 715.467293] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 715.472484] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.478015] sctp_copy_one_addr+0x5d/0x170 [ 715.482248] ? sctp_copy_one_addr+0x5d/0x170 [ 715.486649] sctp_bind_addr_copy+0x173/0x47c [ 715.491050] ? sctp_copy_one_addr+0x170/0x170 [ 715.495531] ? sctp_autobind+0x16d/0x1f0 [ 715.499582] ? sctp_do_bind+0x5f0/0x5f0 [ 715.503552] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 715.509083] ? security_sctp_bind_connect+0x99/0xc0 [ 715.514097] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 715.518771] ? sctp_sendmsg+0x1278/0x1d90 [ 715.522913] ? sctp_autobind+0x1f0/0x1f0 [ 715.526976] ? __local_bh_enable_ip+0x161/0x230 [ 715.531635] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 715.536638] ? lock_sock_nested+0x9f/0x120 [ 715.540858] ? trace_hardirqs_on+0xd/0x10 [ 715.544991] ? __local_bh_enable_ip+0x161/0x230 [ 715.549649] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 715.555185] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 715.560374] sctp_sendmsg+0x18a2/0x1d90 [ 715.564336] ? do_raw_spin_unlock+0xa7/0x2f0 [ 715.568735] ? sctp_id2assoc+0x3e0/0x3e0 [ 715.572794] ? _raw_spin_unlock_bh+0x30/0x40 [ 715.577191] ? __release_sock+0x3a0/0x3a0 [ 715.581347] inet_sendmsg+0x1a1/0x690 [ 715.585139] ? ipip_gro_receive+0x100/0x100 [ 715.589450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 715.594976] ? security_socket_sendmsg+0x94/0xc0 [ 715.599720] ? ipip_gro_receive+0x100/0x100 [ 715.604033] sock_sendmsg+0xd5/0x120 [ 715.607734] __sys_sendto+0x3d7/0x670 [ 715.611541] ? __ia32_sys_getpeername+0xb0/0xb0 [ 715.616199] ? wait_for_completion+0x8d0/0x8d0 [ 715.620774] ? __lock_is_held+0xb5/0x140 [ 715.624831] ? __sb_end_write+0xac/0xe0 [ 715.628796] ? fput+0x130/0x1a0 [ 715.632073] ? ksys_write+0x1ae/0x260 [ 715.635869] ? __ia32_sys_read+0xb0/0xb0 [ 715.639921] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 715.645447] __x64_sys_sendto+0xe1/0x1a0 [ 715.649497] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 715.654502] do_syscall_64+0x1b9/0x820 [ 715.658385] ? finish_task_switch+0x1d3/0x890 [ 715.662874] ? syscall_return_slowpath+0x5e0/0x5e0 [ 715.667790] ? syscall_return_slowpath+0x31d/0x5e0 [ 715.672708] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 715.678060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 715.682894] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 715.688070] RIP: 0033:0x455ab9 [ 715.691241] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 16:58:50 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000006bb8683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:50 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000280)={{0x2, 0x4e24, @broadcast=0xffffffff}, {0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x2, {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 'syz_tun\x00'}) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000080), 0x4) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) [ 715.710653] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 715.718352] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 715.725616] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 [ 715.732869] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 715.740122] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 715.747379] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 0000000000000022 16:58:50 executing program 1 (fault-call:4 fault-nth:35): r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 715.818631] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 715.859682] FAULT_INJECTION: forcing a failure. [ 715.859682] name failslab, interval 1, probability 0, space 0, times 0 [ 715.871057] CPU: 1 PID: 14715 Comm: syz-executor1 Not tainted 4.18.0-rc3+ #127 [ 715.878779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 715.888157] Call Trace: [ 715.890767] dump_stack+0x1c9/0x2b4 [ 715.894415] ? dump_stack_print_info.cold.2+0x52/0x52 [ 715.899622] ? __save_stack_trace+0x8d/0xf0 [ 715.903970] should_fail.cold.4+0xa/0x1a 16:58:50 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000002450683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:50 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000280)={{0x2, 0x4e24, @broadcast=0xffffffff}, {0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x2, {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 'syz_tun\x00'}) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000080), 0x4) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) [ 715.908059] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 715.913185] ? save_stack+0x43/0xd0 [ 715.916833] ? kasan_kmalloc+0xc4/0xe0 [ 715.920736] ? kmem_cache_alloc_trace+0x152/0x780 [ 715.925604] ? sctp_add_bind_addr+0x101/0x4b0 [ 715.930125] ? sctp_copy_local_addr_list+0x499/0x690 [ 715.935250] ? sctp_copy_one_addr+0x5d/0x170 [ 715.939676] ? sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 715.945407] ? sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 715.950273] ? sctp_sendmsg+0x18a2/0x1d90 [ 715.954444] ? inet_sendmsg+0x1a1/0x690 [ 715.958434] ? sock_sendmsg+0xd5/0x120 [ 715.962338] ? __sys_sendto+0x3d7/0x670 [ 715.966344] ? __x64_sys_sendto+0xe1/0x1a0 [ 715.970602] ? do_syscall_64+0x1b9/0x820 [ 715.974680] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 715.980066] ? graph_lock+0x170/0x170 [ 715.983892] ? find_held_lock+0x36/0x1c0 [ 715.987981] ? print_usage_bug+0xc0/0xc0 [ 715.992071] ? graph_lock+0x170/0x170 [ 715.995901] ? find_held_lock+0x36/0x1c0 [ 715.999996] ? lock_downgrade+0x8f0/0x8f0 [ 716.004175] __should_failslab+0x124/0x180 [ 716.008440] should_failslab+0x9/0x14 [ 716.011557] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 716.012257] kmem_cache_alloc_trace+0x4b/0x780 [ 716.012282] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 716.012303] ? __sanitizer_cov_trace_cmp2+0x18/0x20 [ 716.012330] sctp_add_bind_addr+0x101/0x4b0 [ 716.012348] ? sctp_bind_addr_free+0x20/0x20 [ 716.012368] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 716.051325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 16:58:50 executing program 2: r0 = memfd_create(&(0x7f00000001c0)="00000600", 0x1) r1 = mmap$binder(&(0x7f0000ff9000/0x4000)=nil, 0x4000, 0x3000003, 0x12, r0, 0x0) ioctl$BINDER_GET_NODE_DEBUG_INFO(r0, 0xc018620b, &(0x7f0000000040)={r1}) ioctl$TUNGETSNDBUF(r0, 0x800454d3, &(0x7f0000000180)) write$binfmt_elf64(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="7f454c4600000000000000000000000003003e0000000000000000000000000040000000000000000000000000000000000000000000380002000000001400000300000000000000000000000000000000000000000000000000000000000000f80000000000000000000000000000000000000000000000e865ce175af1c16e25a3cefe848034c3c1a98ae90082485a5a221d3c49f9396664e6ae5099617de7900e7bcdf72167021bba7eccda1c73f4d4886438470597799a3acf865beda01922252e619dad56cd622fc62b957c6c58062dd1e6ea9d8c22cb1088ffb151e98a60ebbdafb8e7f500a3000000000000000000000000000000"], 0xf8) execveat(r0, &(0x7f0000000000)='\x00', &(0x7f0000000280), &(0x7f0000000500), 0x1000) accept4(r0, &(0x7f0000000200)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000280)=0x80, 0x0) 16:58:50 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000280)={{0x2, 0x4e24, @broadcast=0xffffffff}, {0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x2, {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 'syz_tun\x00'}) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000080), 0x4) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) [ 716.056877] ? sctp_v4_scope+0x19b/0x1c0 [ 716.060946] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 716.066148] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 716.071177] sctp_copy_local_addr_list+0x499/0x690 [ 716.076125] ? sctp_defaults_init+0xe70/0xe70 [ 716.080629] ? get_random_bytes+0x34/0x40 [ 716.084787] ? sctp_association_new+0x19e0/0x2190 [ 716.089646] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 716.094844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.100373] sctp_copy_one_addr+0x5d/0x170 [ 716.104594] ? sctp_copy_one_addr+0x5d/0x170 [ 716.109001] sctp_bind_addr_copy+0x173/0x47c [ 716.113402] ? sctp_copy_one_addr+0x170/0x170 [ 716.117884] ? sctp_autobind+0x16d/0x1f0 [ 716.121930] ? sctp_do_bind+0x5f0/0x5f0 [ 716.125893] sctp_assoc_set_bind_addr_from_ep+0x165/0x1c0 [ 716.131418] ? security_sctp_bind_connect+0x99/0xc0 [ 716.136426] sctp_sendmsg_new_asoc+0x3c1/0x1120 [ 716.141079] ? sctp_sendmsg+0x1278/0x1d90 [ 716.145216] ? sctp_autobind+0x1f0/0x1f0 [ 716.149286] ? __local_bh_enable_ip+0x161/0x230 [ 716.153947] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 716.159207] ? lock_sock_nested+0x9f/0x120 [ 716.163429] ? trace_hardirqs_on+0xd/0x10 [ 716.167563] ? __local_bh_enable_ip+0x161/0x230 [ 716.172240] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 716.177766] ? sctp_endpoint_lookup_assoc+0x183/0x290 [ 716.182943] sctp_sendmsg+0x18a2/0x1d90 [ 716.186903] ? do_raw_spin_unlock+0xa7/0x2f0 [ 716.191304] ? sctp_id2assoc+0x3e0/0x3e0 [ 716.195356] ? _raw_spin_unlock_bh+0x30/0x40 [ 716.199750] ? __release_sock+0x3a0/0x3a0 [ 716.203892] inet_sendmsg+0x1a1/0x690 [ 716.207677] ? ipip_gro_receive+0x100/0x100 [ 716.211988] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.217514] ? security_socket_sendmsg+0x94/0xc0 [ 716.222447] ? ipip_gro_receive+0x100/0x100 [ 716.226761] sock_sendmsg+0xd5/0x120 [ 716.230471] __sys_sendto+0x3d7/0x670 [ 716.234256] ? __ia32_sys_getpeername+0xb0/0xb0 [ 716.238911] ? wait_for_completion+0x8d0/0x8d0 [ 716.243497] ? __lock_is_held+0xb5/0x140 [ 716.247558] ? __sb_end_write+0xac/0xe0 [ 716.251522] ? fput+0x130/0x1a0 [ 716.254795] ? ksys_write+0x1ae/0x260 [ 716.258591] ? __ia32_sys_read+0xb0/0xb0 [ 716.262640] ? syscall_slow_exit_work+0x500/0x500 [ 716.267469] __x64_sys_sendto+0xe1/0x1a0 [ 716.271609] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 716.276611] do_syscall_64+0x1b9/0x820 [ 716.280493] ? finish_task_switch+0x1d3/0x890 [ 716.284979] ? syscall_return_slowpath+0x5e0/0x5e0 [ 716.289894] ? syscall_return_slowpath+0x31d/0x5e0 [ 716.294826] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 716.300190] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.305284] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 716.310457] RIP: 0033:0x455ab9 [ 716.313627] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 716.332949] RSP: 002b:00007f4a618dac68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 716.340644] RAX: ffffffffffffffda RBX: 00007f4a618db6d4 RCX: 0000000000455ab9 [ 716.347906] RDX: 0000000000000001 RSI: 0000000020000080 RDI: 0000000000000014 16:58:50 executing program 3 (fault-call:3 fault-nth:0): r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 716.355161] RBP: 000000000072bea0 R08: 000000002005ffe4 R09: 000000000000001c [ 716.362413] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 716.369673] R13: 00000000004c0f26 R14: 00000000004d0e58 R15: 0000000000000023 [ 716.412587] FAULT_INJECTION: forcing a failure. [ 716.412587] name failslab, interval 1, probability 0, space 0, times 0 [ 716.423927] CPU: 1 PID: 14735 Comm: syz-executor3 Not tainted 4.18.0-rc3+ #127 [ 716.431307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.440650] Call Trace: [ 716.443232] dump_stack+0x1c9/0x2b4 [ 716.446850] ? dump_stack_print_info.cold.2+0x52/0x52 [ 716.452032] ? netlink_dump+0x9f/0xd50 [ 716.455912] should_fail.cold.4+0xa/0x1a [ 716.459961] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 716.465057] ? graph_lock+0x170/0x170 [ 716.468852] ? __mutex_lock+0x7e8/0x1820 [ 716.472903] ? find_held_lock+0x36/0x1c0 [ 716.476950] ? __lock_is_held+0xb5/0x140 [ 716.481027] ? check_same_owner+0x340/0x340 [ 716.485347] ? do_raw_spin_lock+0xc1/0x200 [ 716.489567] ? rcu_note_context_switch+0x730/0x730 [ 716.494494] ? trace_hardirqs_off+0xd/0x10 [ 716.498716] __should_failslab+0x124/0x180 [ 716.502945] should_failslab+0x9/0x14 [ 716.506735] kmem_cache_alloc_node+0x272/0x780 [ 716.511302] ? rcu_pm_notify+0xc0/0xc0 [ 716.515180] __alloc_skb+0x119/0x790 [ 716.518877] ? kfree_skbmem+0x154/0x230 [ 716.522835] ? skb_scrub_packet+0x580/0x580 [ 716.527141] ? kfree_skbmem+0x10b/0x230 [ 716.531102] ? skb_gro_receive+0x12f0/0x12f0 [ 716.535497] ? netlink_skb_destructor+0x190/0x210 [ 716.540332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.545856] ? consume_skb+0x1a0/0x560 [ 716.549730] ? alloc_skb_with_frags+0x770/0x770 [ 716.554388] netlink_dump+0x6e3/0xd50 [ 716.558179] ? netlink_broadcast+0x50/0x50 [ 716.562404] netlink_recvmsg+0xf84/0x1490 [ 716.566547] ? netlink_dump+0xd50/0xd50 [ 716.570599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.576124] ? rw_copy_check_uvector+0x30d/0x3e0 [ 716.580874] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.586397] ? import_iovec+0x269/0x470 [ 716.590360] ? dup_iter+0x270/0x270 [ 716.593974] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.599496] ? _copy_from_user+0xdf/0x150 [ 716.603640] ? move_addr_to_kernel.part.20+0x100/0x100 [ 716.608905] ? security_socket_recvmsg+0x9b/0xc0 [ 716.613646] ? netlink_dump+0xd50/0xd50 [ 716.617615] sock_recvmsg+0xd0/0x110 [ 716.621318] ? __sock_recv_ts_and_drops+0x420/0x420 [ 716.626329] ___sys_recvmsg+0x2b6/0x680 [ 716.630294] ? ___sys_sendmsg+0x930/0x930 [ 716.634434] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 716.639435] ? __fget_light+0x2f7/0x440 [ 716.643486] ? fget_raw+0x20/0x20 [ 716.646942] ? poll_select_set_timeout+0x156/0x240 [ 716.651861] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.657388] __sys_recvmmsg+0x301/0xba0 [ 716.661348] ? proc_fail_nth_write+0x9e/0x210 [ 716.665835] ? __ia32_sys_recvmsg+0xb0/0xb0 [ 716.670154] ? lock_release+0xa30/0xa30 [ 716.674111] ? check_same_owner+0x340/0x340 [ 716.678426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 716.683945] ? _copy_from_user+0xdf/0x150 [ 716.688080] do_sys_recvmmsg+0xec/0x1a0 [ 716.692043] ? __sys_recvmmsg+0xba0/0xba0 [ 716.696181] __x64_sys_recvmmsg+0xbe/0x150 [ 716.700411] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 716.705413] do_syscall_64+0x1b9/0x820 [ 716.709284] ? finish_task_switch+0x1d3/0x890 [ 716.713773] ? syscall_return_slowpath+0x5e0/0x5e0 [ 716.718686] ? syscall_return_slowpath+0x31d/0x5e0 [ 716.723604] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 716.728954] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 716.733786] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 716.738957] RIP: 0033:0x455ab9 [ 716.742127] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 16:58:51 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 716.761369] RSP: 002b:00007f91a5c23c68 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 716.769063] RAX: ffffffffffffffda RBX: 00007f91a5c246d4 RCX: 0000000000455ab9 [ 716.776317] RDX: 0000000000000001 RSI: 0000000020004c40 RDI: 0000000000000014 [ 716.783570] RBP: 000000000072bea0 R08: 0000000020004dc0 R09: 0000000000000000 [ 716.790824] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 716.798163] R13: 00000000004c08af R14: 00000000004d04c8 R15: 0000000000000000 16:58:51 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0xa0446, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) setsockopt$inet_icmp_ICMP_FILTER(0xffffffffffffffff, 0x1, 0x1, &(0x7f0000000080)={0x2}, 0x4) r3 = socket$inet6(0xa, 0x1, 0x0) ioctl(r3, 0x4000008912, &(0x7f0000000080)="2957e1311f16f477671070") keyctl$clear(0x7, 0xfffffffffffffff8) ioctl$TIOCGSID(r2, 0x5429, &(0x7f0000000140)) write(r1, &(0x7f0000c34fff), 0xffffff0b) ioctl$FIBMAP(r1, 0x1, &(0x7f00000000c0)=0x200000000) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(0xffffffffffffffff, &(0x7f0000000000)=ANY=[], 0x0) tkill(r0, 0x1000000000016) 16:58:51 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0xffff000000000000, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:51 executing program 2: r0 = socket$inet6(0xa, 0x3, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet6(0xa, 0x1, 0x0) getsockopt$inet6_buf(r1, 0x29, 0x41, &(0x7f0000c86000), &(0x7f00000007c0)=0x39b) 16:58:51 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000280)={{0x2, 0x4e24, @broadcast=0xffffffff}, {0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x2, {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 'syz_tun\x00'}) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000080), 0x4) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:58:51 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000280)={{0x2, 0x4e24, @broadcast=0xffffffff}, {0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x2, {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 'syz_tun\x00'}) setsockopt$inet_mtu(r1, 0x0, 0xa, &(0x7f0000000080), 0x4) ftruncate(0xffffffffffffffff, 0x2000e5) sendfile(r1, 0xffffffffffffffff, &(0x7f0000000180), 0xa00004000000002) 16:58:51 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000001330baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:51 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a600800000000000224e683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:51 executing program 3 (fault-call:3 fault-nth:1): r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:51 executing program 2: r0 = memfd_create(&(0x7f00000000c0)='#em1#+\x00', 0x0) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x0, 0x40031, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000221000/0x3000)=nil, 0x3000, 0x0, 0x8132, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x7000)=nil, 0x7000, 0x2, 0x11, r0, 0x0) ioctl$KVM_SET_IRQCHIP(r0, 0x8208ae63, &(0x7f0000000100)={0x2, 0x0, @ioapic={0x6000, 0x7, 0x4, 0x100000000, 0x0, [{0x3, 0x0, 0xfff, [], 0x1f}, {0xfffffffffffffff8, 0x4, 0x20}, {0xe9a2, 0x0, 0x3ff, [], 0x2}, {0x0, 0x126, 0xf61a}, {0x0, 0x3, 0x6, [], 0x1}, {0x7, 0x0, 0x7fffffff, [], 0x4}, {0x29676bfe, 0x100, 0x401, [], 0x5}, {0x3, 0x72, 0xfffffffffffffeff, [], 0x1b}, {0x200, 0x8, 0xcd8b, [], 0x3f}, {0x19f727b0, 0x9, 0xe1, [], 0x9}, {0x7, 0xffffffff, 0x5, [], 0x6839c68e}, {0x20, 0x101, 0x3f, [], 0xff}, {0x4, 0x20, 0x3, [], 0x7}, {0x1, 0x1f, 0x3, [], 0xfffffffffffeffff}, {0x8001, 0x8, 0x10001, [], 0x100}, {0x7fff, 0x4, 0x3c01, [], 0x8001}, {0x3, 0x8, 0x3, [], 0x8d4}, {0x4, 0x30a, 0x1}, {0x9, 0x8, 0x40, [], 0xacc}, {0x5, 0x1, 0x1, [], 0xfa83}, {0x1, 0x10001, 0x5, [], 0x81}, {0x1, 0x4, 0x7ce6, [], 0x7}, {0x8001, 0x8, 0x3f, [], 0x200}, {0x9, 0x3e1, 0x3, [], 0x22c}]}}) socketpair$unix(0x1, 0x0, 0x0, &(0x7f000001a000)) socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000000040)) setsockopt$inet_icmp_ICMP_FILTER(r0, 0x1, 0x1, &(0x7f0000000000)={0x1fd5}, 0x4) [ 717.004858] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 717.053700] FAULT_INJECTION: forcing a failure. [ 717.053700] name failslab, interval 1, probability 0, space 0, times 0 [ 717.065079] CPU: 1 PID: 14769 Comm: syz-executor3 Not tainted 4.18.0-rc3+ #127 [ 717.072448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 717.081825] Call Trace: [ 717.084420] dump_stack+0x1c9/0x2b4 [ 717.088049] ? dump_stack_print_info.cold.2+0x52/0x52 [ 717.093247] ? finish_task_switch+0x1d3/0x890 [ 717.097741] ? finish_task_switch+0x18a/0x890 [ 717.102251] should_fail.cold.4+0xa/0x1a [ 717.106303] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 717.111396] ? __schedule+0x884/0x1ed0 [ 717.115271] ? __sched_text_start+0x8/0x8 [ 717.119403] ? find_held_lock+0x36/0x1c0 [ 717.123452] ? __lock_is_held+0xb5/0x140 [ 717.127510] ? check_same_owner+0x340/0x340 [ 717.131823] __should_failslab+0x124/0x180 [ 717.136052] should_failslab+0x9/0x14 [ 717.139851] kmem_cache_alloc_node_trace+0x26f/0x770 [ 717.144949] __kmalloc_node_track_caller+0x33/0x70 [ 717.149875] __kmalloc_reserve.isra.40+0x3a/0xe0 [ 717.154617] __alloc_skb+0x155/0x790 [ 717.158318] ? kfree_skbmem+0x154/0x230 [ 717.162283] ? skb_scrub_packet+0x580/0x580 [ 717.166600] ? kfree_skbmem+0x10b/0x230 [ 717.170560] ? skb_gro_receive+0x12f0/0x12f0 [ 717.174963] ? netlink_skb_destructor+0x190/0x210 [ 717.179796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.185324] ? consume_skb+0x1a0/0x560 [ 717.189201] ? alloc_skb_with_frags+0x770/0x770 [ 717.193859] netlink_dump+0x6e3/0xd50 [ 717.197648] ? netlink_broadcast+0x50/0x50 [ 717.201875] netlink_recvmsg+0xf84/0x1490 [ 717.206025] ? netlink_dump+0xd50/0xd50 [ 717.210020] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.215553] ? rw_copy_check_uvector+0x30d/0x3e0 [ 717.220300] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.225825] ? import_iovec+0x269/0x470 [ 717.231048] ? dup_iter+0x270/0x270 [ 717.234666] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.240193] ? _copy_from_user+0xdf/0x150 [ 717.244333] ? move_addr_to_kernel.part.20+0x100/0x100 [ 717.249597] ? security_socket_recvmsg+0x9b/0xc0 [ 717.254340] ? netlink_dump+0xd50/0xd50 [ 717.258311] sock_recvmsg+0xd0/0x110 [ 717.262019] ? __sock_recv_ts_and_drops+0x420/0x420 [ 717.267031] ___sys_recvmsg+0x2b6/0x680 [ 717.270997] ? ___sys_sendmsg+0x930/0x930 [ 717.275142] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 717.280150] ? __fget_light+0x2f7/0x440 [ 717.284123] ? fget_raw+0x20/0x20 [ 717.287573] ? poll_select_set_timeout+0x156/0x240 [ 717.292512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.298045] __sys_recvmmsg+0x301/0xba0 [ 717.302010] ? proc_fail_nth_write+0x9e/0x210 [ 717.306504] ? __ia32_sys_recvmsg+0xb0/0xb0 [ 717.310821] ? lock_release+0xa30/0xa30 [ 717.314781] ? check_same_owner+0x340/0x340 [ 717.319098] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 717.324622] ? _copy_from_user+0xdf/0x150 [ 717.328771] do_sys_recvmmsg+0xec/0x1a0 [ 717.332733] ? __sys_recvmmsg+0xba0/0xba0 [ 717.336893] ? syscall_slow_exit_work+0x500/0x500 [ 717.341822] __x64_sys_recvmmsg+0xbe/0x150 [ 717.346046] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 717.351050] do_syscall_64+0x1b9/0x820 [ 717.354921] ? finish_task_switch+0x1d3/0x890 [ 717.359402] ? syscall_return_slowpath+0x5e0/0x5e0 [ 717.364318] ? syscall_return_slowpath+0x31d/0x5e0 [ 717.369241] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 717.374604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 717.379439] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 717.384625] RIP: 0033:0x455ab9 [ 717.387798] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 717.407050] RSP: 002b:00007f91a5c23c68 EFLAGS: 00000246 ORIG_RAX: 000000000000012b [ 717.414761] RAX: ffffffffffffffda RBX: 00007f91a5c246d4 RCX: 0000000000455ab9 [ 717.422017] RDX: 0000000000000001 RSI: 0000000020004c40 RDI: 0000000000000014 [ 717.429285] RBP: 000000000072bea0 R08: 0000000020004dc0 R09: 0000000000000000 [ 717.436546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 717.443800] R13: 00000000004c08af R14: 00000000004d04c8 R15: 0000000000000001 16:58:51 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) ioctl$sock_inet_SIOCDARP(r1, 0x8953, &(0x7f0000000280)={{0x2, 0x4e24, @broadcast=0xffffffff}, {0x6, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}}, 0x2, {0x2, 0x4e23, @remote={0xac, 0x14, 0x14, 0xbb}}, 'syz_tun\x00'}) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:58:51 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x18, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:51 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x10000000001, 0x32, 0xffffffffffffffff, 0xfffffffffffffffd) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000002000)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001000)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet_tcp(0x2, 0x1, 0x0) r3 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x4, 0x2) ioctl$SNDRV_SEQ_IOCTL_GET_PORT_INFO(r3, 0xc0a85322, &(0x7f0000000140)) setsockopt$inet_mreqsrc(r2, 0x0, 0x4, &(0x7f0000013ff4)={@local={0xac, 0x14, 0x14, 0xaa}, @rand_addr, @multicast2=0xe0000002}, 0xc) setsockopt$IP_VS_SO_SET_STARTDAEMON(r2, 0x0, 0x4, &(0x7f0000000040)={0x0, 'bond_slave_0\x00'}, 0x18) close(r2) dup3(r0, r1, 0x0) 16:58:51 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000140683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:52 executing program 3 (fault-call:3 fault-nth:2): r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:52 executing program 2: r0 = syz_open_dev$sndctrl(&(0x7f0000000000)='/dev/snd/controlC#\x00', 0xfffffffffffffe01, 0x2000) fcntl$getown(r0, 0x9) ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r0, 0xc4c85512, &(0x7f0000000040)={0xb, 0x0, 0x0, 0x0, "1059493481b639195a8a2dd9ee3ff7e9c50e58fe75430138d7f00cfe322bea8af5c4de2e32bb0a6e99f963f4"}) [ 717.621975] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:52 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000d30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:52 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r2, 0x84, 0x10, &(0x7f0000000300)=@assoc_value={0x0, 0x5}, 0x8) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r3 = syz_open_pts(r1, 0x2) r4 = dup3(r3, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r4, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) tkill(r0, 0x14) 16:58:52 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:52 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:58:52 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a600800000000000ad37683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:52 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x14, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:52 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000730baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:52 executing program 2: r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000300)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f0000000380)=ANY=[@ANYBLOB="28000000ac6730a68089f313000000000c000000", @ANYRES32=0x0, @ANYBLOB="000000000c0001000180c20000000000"], 0x28}, 0x1}, 0x0) mlock2(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x1) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000400)='IPVS\x00') sendmsg$IPVS_CMD_SET_CONFIG(r0, &(0x7f00000004c0)={&(0x7f00000003c0)={0x10, 0x0, 0x0, 0x2000c208}, 0xc, &(0x7f0000000480)={&(0x7f0000000440)={0x2c, r1, 0x8, 0x70bd28, 0x25dfdbff, {0xc}, [@IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x6}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x1}, @IPVS_CMD_ATTR_TIMEOUT_UDP={0x8, 0x6, 0x5}]}, 0x2c}, 0x1, 0x0, 0x0, 0x4000000}, 0x10) r2 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x121040, 0x0) ioctl$ASHMEM_SET_NAME(r2, 0x41007701, &(0x7f0000000040)=']@posix_acl_access),\x00') getsockopt$EBT_SO_GET_INIT_INFO(r2, 0x0, 0x82, &(0x7f0000000240)={'broute\x00'}, &(0x7f0000000340)=0x78) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000100)={r2, 0x28, &(0x7f0000000080)}, 0x10) link(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000200)='./file0\x00') ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(r2, 0x4008240b, &(0x7f0000000140)={0x5, 0x70, 0x401, 0x4a2362c7, 0x6, 0x700000000000, 0x0, 0x5, 0x40, 0x2, 0x8001, 0xd57, 0x10001, 0xffffffffffffffe0, 0x3, 0xff, 0x92c, 0x73a, 0x9, 0x1000, 0x0, 0x7, 0x1, 0x1df, 0x3a37, 0xb06, 0x4, 0x9, 0xfffffffffffffffc, 0x1, 0x6, 0x400, 0x7fffffff, 0xb4, 0x0, 0x7, 0x4, 0x4, 0x0, 0xffffffff, 0x7, @perf_config_ext={0x3cee, 0xffffffffffffffe9}, 0x80, 0x4, 0x6, 0x7, 0x59, 0xdc65, 0x4}) 16:58:52 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x4000000000000000, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:52 executing program 2: perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$fou(&(0x7f0000000200)='fou\x00') sendmsg$FOU_CMD_GET(r0, &(0x7f0000000440)={&(0x7f0000000140)={0x10}, 0xc, &(0x7f0000000300)={&(0x7f0000000240)={0x14, r1, 0x301, 0x0, 0x0, {0x3}}, 0x14}, 0x1}, 0x0) syz_genetlink_get_family_id$ipvs(&(0x7f0000000000)='IPVS\x00') [ 718.119381] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:52 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:52 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:58:52 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:52 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000005d09683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:52 executing program 2: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vhost-net\x00', 0x2, 0x0) write$vnet(r0, &(0x7f0000000280)={0x1, {&(0x7f0000000100)=""/90, 0x5a, &(0x7f0000000180)=""/231, 0x2, 0x3}}, 0x68) r1 = socket$inet6(0xa, 0x6, 0x0) ioctl(r1, 0x64, &(0x7f0000000040)="295ee1311f16f477671070") r2 = socket$inet6_sctp(0xa, 0x5, 0x84) sendmsg$inet_sctp(r2, &(0x7f00000000c0)={&(0x7f0000139ff0)=@in={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10, &(0x7f000043cfff)=[{&(0x7f0000000000)="be", 0x1}], 0x1, &(0x7f0000000080)}, 0x0) sendmmsg$inet_sctp(r2, &(0x7f000093eee8)=[{&(0x7f00001f6000)=@in={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10, &(0x7f0000562000), 0x0, &(0x7f00000c3000)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x203}}], 0x20}], 0x1, 0x0) 16:58:52 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x2d, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:52 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000a30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 718.349598] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 718.943638] sctp: [Deprecated]: syz-executor5 (pid 14877) Use of struct sctp_assoc_value in delayed_ack socket option. [ 718.943638] Use struct sctp_sack_info instead 16:58:53 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000200683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:53 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:53 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x5ea, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:53 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:58:53 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0x412) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) 16:58:53 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000001830baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 719.070424] sctp: [Deprecated]: syz-executor5 (pid 14877) Use of struct sctp_assoc_value in delayed_ack socket option. [ 719.070424] Use struct sctp_sack_info instead [ 719.136692] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:53 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:53 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0xffff0000, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:53 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000004e22683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:53 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0xffffffc0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:53 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="2957e1311f16f477671070") r1 = socket$can_raw(0x1d, 0x3, 0x1) r2 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$nl_generic(r2, &(0x7f0000000080)={&(0x7f0000000340)={0x10}, 0xc, &(0x7f00000000c0)={&(0x7f0000000680)={0x18, 0x1d, 0xfffffffffffffffd, 0x0, 0x0, {0x7592da6b}, [@nested={0x4, 0x27}]}, 0x18}, 0x1}, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000000)={0x0}, &(0x7f0000000040)=0xc) sched_setattr(r3, &(0x7f0000000140)={0x30, 0x7, 0x1, 0x800, 0x8, 0x9, 0x10000, 0x3}, 0x0) 16:58:53 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000930baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:53 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:53 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) [ 719.343957] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 719.374402] netlink: 'syz-executor2': attribute type 39 has an invalid length. 16:58:53 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x3b, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:53 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:53 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000003b6b683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 719.422618] netlink: 'syz-executor2': attribute type 39 has an invalid length. 16:58:54 executing program 2: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f0000000000)=0x79, 0x4) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='scalable\x00', 0x9) bind$inet(r0, &(0x7f0000deb000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) timer_create(0x7, &(0x7f0000000180)={0x0, 0x3d, 0x0, @thr={&(0x7f0000000080)="2ec0f94bc5ae02d44f847358bf8577066e03d978757fee589cdc0dab22a6d686929e5b866bf51c1b4c0767ce5a005d202302c77505b3c0383f21e04a9db89baa8eb29a20dded345becd5cf6591918f711b727fdb7baf0ddc2550c6605190efafef", &(0x7f0000000100)="2fc4921951995474e70c4646324e2d37ad4dc6fa31be1deaf9b2548fcd139fe8c5b8e503dcfb30dd7d286d04b6c3d0732e2fbf0e1157b87763ae19bf73512cd007ea4d23918fc09fc0f4a472f2c5f304f8521af441c19918a6c9932d3a45757a6e3cb0a2e0d179076155"}}, &(0x7f00000001c0)) sendto$inet(r0, &(0x7f0000a88f88), 0xfffffffffffffe6e, 0x20000000, &(0x7f0000e68000)={0x2, 0x4004e23, @local={0xac, 0x14, 0x14, 0xaa}}, 0x10) shutdown(r0, 0x1) [ 719.522219] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:54 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:54 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:58:54 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x15, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:54 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000001230baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:54 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a600800000000000b86b683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 720.070860] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:54 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x40000000, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:54 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:54 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000000040), 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) fcntl$setown(r1, 0x8, r0) tkill(r0, 0x1000000000016) 16:58:54 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:58:54 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0xffffff82, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:54 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a600800000000000000ec03540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:54 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000001630baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:54 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000000)="295ee1311f16f477671070") r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$fou(&(0x7f0000000080)='fou\x00') sendmsg$FOU_CMD_ADD(r1, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)={0x34, r2, 0x0, 0x70bd27, 0x25dfdbff, {0x1}, [@FOU_ATTR_PORT={0x8, 0x1, 0x4e21}, @FOU_ATTR_IPPROTO={0x8, 0x3}, @FOU_ATTR_AF={0x8, 0x2, 0xa}, @FOU_ATTR_IPPROTO={0x8, 0x3, 0x87}]}, 0x34}, 0x1, 0x0, 0x0, 0x810}, 0x20004000) openat$vnet(0xffffffffffffff9c, &(0x7f0000000380)='/dev/vhost-net\x00', 0x2, 0x0) sendmsg$IPVS_CMD_SET_CONFIG(r1, &(0x7f0000000340)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000000300)={&(0x7f00000001c0)=ANY=[]}, 0x1}, 0x0) sendmsg$nl_generic(r1, &(0x7f0000000000)={&(0x7f0000018ff4)={0x10}, 0xc, &(0x7f0000013ff1)={&(0x7f0000000180)={0x192, 0x28, 0x5, 0x0, 0x0, {0x1}}, 0x393}, 0x1}, 0x0) ioctl$FS_IOC_SETFSLABEL(r0, 0x41009432, &(0x7f0000000200)="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") 16:58:54 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) [ 720.474186] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:54 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:54 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x23, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:55 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000003683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:55 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000430baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:55 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:58:55 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:55 executing program 2: socketpair(0x1f, 0x2, 0x8, &(0x7f0000000040)={0xffffffffffffffff}) getsockopt$inet_sctp6_SCTP_PR_ASSOC_STATUS(0xffffffffffffff9c, 0x84, 0x73, &(0x7f00000000c0)={0x0, 0x1000, 0x0, 0x85, 0x8}, &(0x7f0000000140)=0x18) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(r0, 0x84, 0x1b, &(0x7f0000000380)={r1, 0x69, "040ef2cbe51e5f765d9d1d945fcef6df860fcba8acd17b94345a10bb7ffc3fda44b474704bb1a3c1de4e5f6fa63c33fe5fa29fb2bff873a97d3a814ebfc29cdf0e98a54a437533394e195cb562b7fddb30e65c605abda4b6e353bfd1f0ed15166c05ad66b59d285b6b"}, &(0x7f0000000180)=0x71) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00002aafe4)={0xa, 0x4e23, 0x0, @ipv4={[], [0xff, 0xff]}}, 0x1c) ioctl$RNDADDENTROPY(r0, 0x40085203, &(0x7f0000000400)={0xfffffffffffffffe, 0xfa, "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"}) listen(r2, 0x40) r3 = socket$inet6(0xa, 0x1, 0x0) ioctl(r3, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r4 = socket$inet6_sctp(0xa, 0x6, 0x84) ioctl$sock_inet_SIOCSIFADDR(r3, 0x8916, &(0x7f0000000000)={'ip6gretap0\x00', {0x2, 0x4e22, @broadcast=0xffffffff}}) sendto$inet6(r4, &(0x7f000087dffe)='F', 0x1, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}}, 0x1c) sendmsg$netlink(r4, &(0x7f0000000080)={0x0, 0x359, &(0x7f0000214000)=[{&(0x7f0000000280)=ANY=[@ANYBLOB="018f734ca74144ea4bcd08eea5f660ee903aadb7818971149e5c38ed32afbff3ccaa454ff61364970c5e1ef80340f4cf56a525c4ddcf4d280167c71908b4672d24812c540fbd016c326011c003cc9eaca6d1c3a6b119506eebaf7da932330a630ce53b4ec274666f7d626781af5dcbceacc5b483c12e5a72fd43c92f3655ef33609709604ef6f5e275af6dd0ac3e23525f81063bce22d66c093ee28d0279ac096c5d8caad63b135027192410cda7911da11c26ceb9710ddaa4782a4e33dc18f5fb3c2fb7227ab9fbcf8b509d8cd622"], 0x1}], 0x1, &(0x7f0000000180)}, 0x0) writev(r4, &(0x7f0000000240)=[{&(0x7f00000001c0)='$', 0x1}], 0x1) r5 = accept4(r2, &(0x7f0000c71ff0)=ANY=[], &(0x7f0000f5effc), 0x0) shutdown(r5, 0x2) [ 720.726898] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:56 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:56 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x2f, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:56 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:58:56 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:56 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000e30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:56 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000002683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:56 executing program 5: r0 = gettid() r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) syz_open_pts(r1, 0x2) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) r2 = socket$l2tp(0x18, 0x1, 0x1) getsockopt$IP_VS_SO_GET_DESTS(r2, 0x0, 0x484, &(0x7f0000000140)=""/176, &(0x7f0000000080)=0xb0) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(0xffffffffffffffff, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) [ 721.629706] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:56 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:56 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:58:56 executing program 2: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) r1 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0xa01, 0x0) socket$vsock_dgram(0x28, 0x2, 0x0) listxattr(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)=""/154, 0x9a) ioctl$SCSI_IOCTL_GET_BUS_NUMBER(r1, 0x5386, &(0x7f0000000040)) socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r0, 0x84, 0x6e, &(0x7f0000000080)=[@in6={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x1}, @in6={0xa, 0x0, 0x0, @ipv4={[], [0xff, 0xff]}}], 0x1e) 16:58:56 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150224001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:56 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x34000, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:56 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:56 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000830baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 721.820695] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:56 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") bind$inet(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r1 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r1, 0x2000e5) sendfile(0xffffffffffffffff, r1, &(0x7f0000000180), 0xa00004000000002) 16:58:56 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150324001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 722.017797] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:57 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:57 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:57 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_udp_int(r1, 0x11, 0x67, &(0x7f0000000100)=0x6f9, 0x241) socketpair$inet_udplite(0x2, 0x2, 0x88, &(0x7f0000000000)={0xffffffffffffffff}) ioctl$sock_inet_SIOCSARP(r2, 0x8955, &(0x7f0000000040)={{0x2, 0x4e21, @remote={0xac, 0x14, 0x14, 0xbb}}, {0x307, @random="be913f161df6"}, 0x20, {0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}, 'sit0\x00'}) sendto$inet6(r1, &(0x7f0000000300), 0xfd90, 0x0, &(0x7f00000000c0)={0x2, 0x4e23, 0x0, @ipv4={[], [0xff, 0xff], @multicast2=0xe0000002}}, 0x1c) 16:58:57 executing program 7: socket$inet6(0xa, 0x1, 0x0) r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r1 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r1, 0x2000e5) sendfile(r0, r1, &(0x7f0000000180), 0xa00004000000002) 16:58:57 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000230baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:57 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001f001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 722.802597] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:57 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000000180)="d4ec1fe9d3e997375d03f8c08bbcf144e2d618eb2dc01f75c68e5e00632074f6329ca3142511062b261b39d2247a90a4b568f987899528e072c453d7777a48348a8e4bae8a772ab0a3f56592be20cee6232ce42f5a9bcc228c352693447a07ae48feb5f9175c2e499d2e9d7e778b509eb46c72374b44252dc318854314a1", 0x7e) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) 16:58:57 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x6, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:57 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:57 executing program 2: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$ion(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ion\x00', 0x0, 0x0) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000200), 0x8) r2 = socket$inet6(0xa, 0x1, 0x0) setsockopt$bt_rfcomm_RFCOMM_LM(r0, 0x12, 0x3, &(0x7f00000000c0)=0x69, 0x4) ioctl(r2, 0x4000008912, &(0x7f0000000000)="295ee1311f16f477671070") ioctl$ION_IOC_ALLOC(r1, 0xc0184900, &(0x7f0000000080)={0x9, 0x1, 0x0, 0xffffffffffffffff}) dup(r1) dup2(r0, r3) 16:58:57 executing program 7: socket$inet6(0xa, 0x1, 0x0) r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r1 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r1, 0x2000e5) sendfile(r0, r1, &(0x7f0000000180), 0xa00004000000002) 16:58:57 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024021d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:57 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000530baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 722.985596] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:57 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:57 executing program 2: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) unshare(0x400) r0 = syz_open_dev$amidi(&(0x7f0000000140)='/dev/amidi#\x00', 0x200000000000000, 0x8000) ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x2) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_CREATE_DEVICE(r2, 0xc00caee0, &(0x7f0000000100)={0x4, 0xffffffffffffffff}) ioctl$KVM_SET_DEVICE_ATTR(r3, 0x4018aee1, &(0x7f0000000000)={0x0, 0x2000000001, 0x2, &(0x7f00000000c0)}) r4 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x800, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000240)={0xba6d, {{0xa, 0x4e21, 0x6, @loopback={0x0, 0x1}}}}, 0x88) bind$inet6(r4, &(0x7f0000000080)={0xa, 0x4e22, 0x5, @mcast1={0xff, 0x1, [], 0x1}, 0x7fff}, 0x1c) 16:58:57 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024031d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) [ 723.221873] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:58 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:58 executing program 7: socket$inet6(0xa, 0x1, 0x0) r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r1 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r1, 0x2000e5) sendfile(r0, r1, &(0x7f0000000180), 0xa00004000000002) 16:58:58 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x12, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:58 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:58 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000005030baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:58 executing program 2: futex(&(0x7f0000000040)=0x4, 0x0, 0x4, &(0x7f00000000c0)={0x77359400}, &(0x7f0000000140), 0x0) r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = socket$inet6(0xa, 0x1, 0x0) ioctl(r1, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) tkill(r0, 0x14) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) openat$cgroup_procs(r2, &(0x7f0000000080)='cgroup.procs\x00', 0x2, 0x0) tkill(r0, 0x16) futex(&(0x7f000000cffc), 0x800000000005, 0x0, &(0x7f0000000180)={0x77359400}, &(0x7f0000000040), 0x0) 16:58:58 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d021fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:58 executing program 5: syz_open_dev$audion(&(0x7f00000001c0)='/dev/audio#\x00', 0x270f, 0x404400) r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp\x00', 0x10000, 0x0) ioctl$sock_inet_tcp_SIOCINQ(r2, 0x541b, &(0x7f0000000080)) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r3 = syz_open_pts(r1, 0x2) r4 = dup3(r3, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r4, &(0x7f0000000300)=ANY=[], 0x0) timer_create(0x0, &(0x7f00000000c0)={0x0, 0x33, 0x2, @tid=r0}, &(0x7f0000000180)) tkill(r0, 0x1000000000016) 16:58:58 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 723.958639] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:58 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x7, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:58 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:58 executing program 7: ioctl(0xffffffffffffffff, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r1 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r1, 0x2000e5) sendfile(r0, r1, &(0x7f0000000180), 0xa00004000000002) 16:58:58 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d031fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1}, 0x0) 16:58:58 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000b30baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:58 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 724.173745] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:58 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:59 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:58:59 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x25, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:59 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x2000804c}], 0x1}, 0x0) 16:58:59 executing program 7: ioctl(0xffffffffffffffff, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r1 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r1, 0x2000e5) sendfile(r0, r1, &(0x7f0000000180), 0xa00004000000002) 16:58:59 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000001030baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:59 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:59 executing program 2: r0 = socket$inet6(0x10, 0x3, 0x25) r1 = semget$private(0x0, 0x3, 0x248) semtimedop(r1, &(0x7f0000001980)=[{0x3, 0x51ce9ef5, 0x1000}, {0x1, 0xffffffff, 0x800}, {0x0, 0x2, 0x1000}, {0x2, 0x5, 0x1800}, {0x1, 0x6, 0x800}, {0x0, 0x4f, 0x800}, {0x3, 0x80000001, 0x1800}, {0x4, 0x7, 0x1800}, {0x3, 0x800}], 0x9, &(0x7f00000019c0)={0x77359400}) clock_gettime(0x0, &(0x7f0000001400)={0x0, 0x0}) r4 = syz_open_dev$admmidi(&(0x7f00000018c0)='/dev/admmidi#\x00', 0x40080000001, 0x2000) ioctl$TTUNGETFILTER(r4, 0x801054db, &(0x7f0000001900)=""/93) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000001880)='cgroup.controllers\x00', 0x0, 0x0) r6 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000080)='x{vboxnet0[)\\eth0\x00', r5}, 0x10) getsockopt$inet_sctp_SCTP_ASSOCINFO(0xffffffffffffffff, 0x84, 0x1, &(0x7f0000000180)={0x0, 0x527, 0xfd1e, 0x3ff, 0x4, 0x1}, &(0x7f0000001000)=0x14) setsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r6, 0x84, 0xa, &(0x7f0000001040)={0xfffc000000000000, 0x7cdd, 0x8, 0x1, 0x0, 0x5, 0x1f, 0x3, r7}, 0x20) recvmmsg(r0, &(0x7f0000001240)=[{{&(0x7f0000000100)=@pppoe={0x0, 0x0, {0x0, @broadcast}}, 0x80, &(0x7f0000000180), 0x0, &(0x7f00000001c0)=""/60, 0x3c, 0x6}, 0x853c}, {{&(0x7f0000000200)=@l2, 0x80, &(0x7f00000002c0)=[{&(0x7f0000000280)=""/61, 0x3d}], 0x1, 0x0, 0x0, 0x1}, 0x96}, {{&(0x7f0000000300)=@hci={0x0, 0x0}, 0x80, &(0x7f00000005c0)=[{&(0x7f0000000380)=""/99, 0x63}, {&(0x7f0000000400)=""/79, 0x4f}, {&(0x7f0000000480)=""/119, 0x77}, {&(0x7f0000000500)=""/85, 0x55}, {&(0x7f0000000580)=""/20, 0x14}], 0x5, &(0x7f0000000640)=""/47, 0x2f}, 0x20}, {{&(0x7f0000000680)=@ipx, 0x80, &(0x7f0000000800)=[{&(0x7f0000000700)=""/13, 0xd}, {&(0x7f0000002040)=""/4096, 0x1000}, {&(0x7f0000000740)=""/174, 0xae}], 0x3, 0x0, 0x0, 0x7}, 0x8846}, {{&(0x7f0000000840)=@ethernet, 0x80, &(0x7f0000000b40)=[{&(0x7f00000008c0)=""/56, 0x38}, {&(0x7f0000000900)=""/141, 0x8d}, {&(0x7f00000009c0)=""/217, 0xd9}, {&(0x7f0000000ac0)=""/25, 0x19}, {&(0x7f0000000b00)=""/54, 0x36}], 0x5, &(0x7f0000000bc0)=""/124, 0x7c, 0x80}, 0x6360}, {{&(0x7f0000000c40)=@ethernet={0x0, @remote}, 0x80, &(0x7f0000000f40)=[{&(0x7f0000000cc0)=""/141, 0x8d}, {&(0x7f0000003040)=""/4096, 0x1000}, {&(0x7f0000000d80)=""/214, 0xd6}, {&(0x7f0000000e80)=""/187, 0xbb}], 0x4, &(0x7f0000001080)=""/220, 0xdc, 0x4}, 0x10000}, {{&(0x7f0000000f80)=@l2, 0x80, &(0x7f0000001180)=[{&(0x7f0000004040)=""/4096, 0x1000}, {&(0x7f0000005040)=""/4096, 0x1000}], 0x2, &(0x7f00000011c0)=""/90, 0x5a, 0x841}, 0x5}], 0x7, 0x1, &(0x7f0000001440)={r2, r3+10000000}) sendmsg(r0, &(0x7f000000bfc8)={&(0x7f0000000000)=@ll={0x11, 0x17, r8, 0x1, 0xfff, 0x6, @remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}}, 0x80, &(0x7f0000002000)=[{&(0x7f0000001800)="5500000018007fafb72d1cb2a4a2809302060202006c26236903000b0000c90200f0ff56039848a3c728f1c46b7b04afdc1338d54400009b84136ef75afb83de448daa7227c43ab8220000bf0cec6bab91d46dd2381c50f5da33e6336efb38626fdbf0656131d1080adb86630e02d2bac95ec336a6c683", 0x77}], 0x1, &(0x7f0000001480)=ANY=[@ANYBLOB="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"], 0x348}, 0x0) 16:58:59 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) clock_gettime(0x0, &(0x7f0000000080)={0x0, 0x0}) recvmmsg(0xffffffffffffff9c, &(0x7f0000003080)=[{{&(0x7f00000001c0)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @remote}}}, 0x80, &(0x7f0000002500)=[{&(0x7f0000000240)=""/145, 0x91}, {&(0x7f0000000300)=""/9, 0x9}, {&(0x7f0000000340)=""/4096, 0x1000}, {&(0x7f0000001340)=""/4096, 0x1000}, {&(0x7f0000002340)=""/171, 0xab}, {&(0x7f0000002400)=""/208, 0xd0}], 0x6, &(0x7f0000002580)=""/61, 0x3d, 0x4}}, {{&(0x7f00000025c0)=@un=@abs, 0x80, &(0x7f0000002840)=[{&(0x7f0000002640)=""/216, 0xd8}, {&(0x7f0000002740)=""/255, 0xff}], 0x2, &(0x7f0000002880)=""/39, 0x27, 0x5}, 0x100}, {{&(0x7f00000028c0)=@pppol2tpv3={0x0, 0x0, {0x0, 0xffffffffffffffff, {0x0, 0x0, @multicast1}}}, 0x80, &(0x7f0000002c80)=[{&(0x7f0000002940)=""/214, 0xd6}, {&(0x7f0000002a40)=""/104, 0x68}, {&(0x7f0000002ac0)=""/161, 0xa1}, {&(0x7f0000002b80)=""/110, 0x6e}, {&(0x7f0000002c00)=""/83, 0x53}], 0x5, 0x0, 0x0, 0xffff}, 0xfffffffffffffffc}, {{&(0x7f0000002d00)=@llc, 0x80, &(0x7f0000002f40)=[{&(0x7f0000002d80)=""/77, 0x4d}, {&(0x7f0000002e00)=""/247, 0xf7}, {&(0x7f0000002f00)=""/31, 0x1f}], 0x3, &(0x7f0000002f80)=""/195, 0xc3, 0x100000001}, 0x1}], 0x4, 0x160, &(0x7f0000003180)) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(0xffffffffffffff9c, 0x84, 0x6d, &(0x7f00000031c0)={0x0, 0x69, "73f660fd702eaaf1c55b280eb24e714175464b9adc0457cdb2cfcfd468f6846be90f55caf60275dc02c98a363ab1de610c37a8d534b2456363faf603c2a87dc867a51da3a47f15f7a3f1a6dec3e7213284cde191773971d00e4d18870697dc3e9d385bfd5b37087c95"}, &(0x7f0000003240)=0x71) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r4, 0x84, 0xa, &(0x7f0000003280)={0x5, 0x0, 0xb, 0x9, 0x1, 0xff, 0x7, 0x1, r5}, &(0x7f00000032c0)=0x20) futex(&(0x7f0000000040), 0xd, 0x0, &(0x7f00000000c0)={r2, r3+30000000}, &(0x7f0000000180)=0x2, 0x1) r6 = syz_open_pts(r1, 0x2) r7 = dup3(r6, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r7, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) 16:58:59 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 725.134047] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:58:59 executing program 2: r0 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x3, 0x0) splice(r0, &(0x7f0000000000), 0xffffffffffffffff, &(0x7f00000000c0), 0x100000001, 0x0) ioctl$PIO_UNISCRNMAP(r0, 0x4b6a, &(0x7f0000000080)="7d3bab0206f9f853aa0e76ccfda867152e46f79e577b012cdd6511ed4ca51b000a0927b1553c66192b30889ba8a0c494d20a73165aa1dc31a95d54ef172b1a") 16:58:59 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x33fe0}], 0x1}, 0x0) 16:58:59 executing program 7: ioctl(0xffffffffffffffff, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r0 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r0, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r0, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r0, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r1 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r1, 0x2000e5) sendfile(r0, r1, &(0x7f0000000180), 0xa00004000000002) 16:58:59 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x11, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:58:59 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:58:59 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000001730baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:58:59 executing program 2: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000733000)={0x5, 0x5, 0x8000000000000a6, 0x9}, 0x2c) read(r0, &(0x7f0000000000)=""/18, 0x12) fchdir(r0) [ 725.321643] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:00 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:00 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:00 executing program 2: r0 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x7, 0x201) ioctl$SNDRV_CTL_IOCTL_TLV_READ(r0, 0xc008551a, &(0x7f0000000040)={0x3, 0x10, [0x3, 0x800000000, 0xff, 0xffff]}) r1 = fcntl$getown(r0, 0x9) r2 = getuid() stat(&(0x7f0000000700)='./file0\x00', &(0x7f0000000740)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = fcntl$getown(r0, 0x9) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f00000007c0)={{{@in6=@mcast1, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@local}, 0x0, @in=@remote}}, &(0x7f00000008c0)=0xe8) lstat(&(0x7f0000000900)='./file0\x00', &(0x7f0000000940)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r7 = gettid() r8 = getuid() lstat(&(0x7f00000009c0)='./file0\x00', &(0x7f0000000a00)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000a80)=0x0) getsockopt$inet_IP_IPSEC_POLICY(r0, 0x0, 0x10, &(0x7f0000000ac0)={{{@in6=@local, @in=@loopback, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@loopback}, 0x0, @in=@broadcast}}, &(0x7f0000000bc0)=0xe8) r12 = getgid() fcntl$getownex(r0, 0x10, &(0x7f0000000c00)={0x0, 0x0}) r14 = getuid() lstat(&(0x7f0000000c40)='./file0\x00', &(0x7f0000000c80)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmmsg$unix(r0, &(0x7f0000000f40)=[{&(0x7f0000000080)=@abs={0x1, 0x0, 0x4e22}, 0x6e, &(0x7f0000000640)=[{&(0x7f0000000100)="9e4f6ee4819980d4bed9a5071087fbeaaa98775242ac83ea415bb006007d0e4fa3d9c1bced9b2146683580f0ba00e69c3d", 0x31}, {&(0x7f0000000140)="0c6689980dbb85c903d11f0964214394ae90332bb71e503775485ee1acb7a8d149491c3047f17e7a9d5de0431865a076c4ff4209c0bd2e94d07e3fb0876a2e282b284fbbcea4631d4cf26dbf49f597206fcaddb69a", 0x55}, {&(0x7f00000001c0)="024df25e78b832247d17b6087466805d738f09aa65f7b789f2497457640f918c7f8d16726ab064b3907c7082fb787999e9828b69f479aa060c8ed18aaee17a086cee77a42a3cf14b8c1abe698084f1881194c5354a94b873e6a9936c9da77d379ac09331097845137c03358338a44fbe966eeafde7675684c2c05c18fbaea30aeaa37aa23ba2413fa8cfb1faa43546517a90df0cabb64cd1dca647669eb36fbdb883d219a810d9fe6f3421d7d05c86d9d1", 0xb1}, {&(0x7f0000000280)="71d7fb672aa930530c57102f81017baf52d1c4a93db4ea93434f9076a94779fe6639ef3a71b737d0b9283a0b6b0697ac01c4491179b13ca6f82bab534772f4035bc5a1cb30558a", 0x47}, {&(0x7f0000000300)="bcb53b7ec2e08e39b0cd80a1cc6644a4d34fc687669ffb93e4c4f0458bbcfbcc427572e1c94d1e10c36636781aa3d42727cfa6d5fb137368ac03f231701a6d4b035564e46624a06e805feea76588ce4fc559e38102644222b2a109eef4f32fecaf7722490313c1a39a5c81051902a99d76c559d27401d9be629214edb34097088eacbbaa5f73a0935a3b566db0dde8875ff6daf70d5af4cf5f2f23a6042cdd6c978df580e8b95f05d04afca069d665bcf8fcb62d56654d7a65b946d1563f", 0xbe}, {&(0x7f00000003c0)="9cf5fd297c3e8ba9043574401993c66310e9c0f80dff1ae68470131822358413170d6a1cb15801fa50e488b1c3f9e353a36996bb710714ba506722d2369ed7c73e94e0d4382cf4eaf80232203dbb1304cc783b05819400989dd21014505c996f5cf29ffefdaefedd409b6cc28ed4d82c1333f4ed7e262e62292907ad3c1ae5dde7e4fd3aa57a5224f016321b5c99692819a7b8823159925fb775f70e172f6685e9e00be6cef4c3bbdbe5c58706aafca4532fd495d80dbe269a52e5744e8d590ead0751d85f8a74446ec746a46a24c393800845a52deadd940d044263fc82679668d9fe47e684fe1e0c507bb0c0c3955ef089150715", 0xf5}, {&(0x7f00000004c0)}, {&(0x7f0000000500)="89bde34afc430363753451ede99756f2aaccc2d58bc24199ecb49398663b72105aba360175acc112b3f3ab9b88a25688c5b0bce7d33029485e5ee5ac9065acb19db564570b5f820712274e3f4420bccb2a6692075776a724c56db2d6809dcce55f2ddb5090c76b15fcf93c8031e7d15d4610c5ffe3a0e8ffd29be778fb1537cd7a0c23f95f8d01661f9ffb842a28f2ab3ba3b8eae31211893b", 0x99}, {&(0x7f00000005c0)="2ea9d517c6bc4687a5c85726de55267b63c092422d3717c3755bd43ad5b0677285ca87a77fcb2a504301773e1ac5109ee3f71e818dd1ca001722b580dd53dc4decd3f3204861f8b6bfd76fc7e8e5ecacc9cd595df4fbaca7eccad12cf04c5a00ac29a7b1bf153f70a4f0b044d513d3", 0x6f}], 0x9, &(0x7f0000000d00)=[@cred={0x20, 0x1, 0x2, r1, r2, r3}, @rights={0x30, 0x1, 0x1, [r0, r0, r0, r0, r0, r0, r0]}, @cred={0x20, 0x1, 0x2, r4, r5, r6}, @cred={0x20, 0x1, 0x2, r7, r8, r9}, @cred={0x20, 0x1, 0x2, r10, r11, r12}, @cred={0x20, 0x1, 0x2, r13, r14, r15}, @rights={0x20, 0x1, 0x1, [r0, r0, r0]}], 0xf0, 0x20000000}, {&(0x7f0000000e00)=@abs={0x1, 0x0, 0x4e22}, 0x6e, &(0x7f0000000ec0)=[{&(0x7f0000000e80)="93cd1af8dc8343b8cc239e195aa80f63592f153d4c68200fca302c74ae642183a7c743", 0x23}], 0x1, &(0x7f0000000f00)=[@rights={0x18, 0x1, 0x1, [r0]}], 0x18, 0x1}], 0x2, 0x80) getsockopt$inet6_IPV6_IPSEC_POLICY(r0, 0x29, 0x22, &(0x7f0000000fc0)={{{@in, @in=@local}}, {{@in6=@ipv4={[], [], @loopback}}}}, &(0x7f00000010c0)=0xe8) ioctl$EVIOCSKEYCODE_V2(r0, 0x40284504, &(0x7f0000001100)={0x1000, 0x18, 0x80, 0x1, "849c451aa0950374aaa8ab27d9fdebdceb8edc643f0147c11a95a833c70c17c1"}) ioctl$BLKTRACESETUP(r0, 0xc0481273, &(0x7f0000001140)={[], 0x400, 0x20, 0x0, 0x5, 0x1, r1}) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, &(0x7f00000011c0)={@empty, @empty, @remote={0xac, 0x14, 0x14, 0xbb}}, 0xc) getsockopt$inet_sctp_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000001200)={0x0, @in={{0x2, 0x4e21}}, 0x800, 0xcdd7}, &(0x7f00000012c0)=0x90) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000001300)={r16, 0x5}, 0x8) setsockopt$netlink_NETLINK_BROADCAST_ERROR(r0, 0x10e, 0x4, &(0x7f0000001340)=0x3, 0x4) ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r0, 0xc1105511, &(0x7f00000013c0)={{0xa, 0x6, 0xffffffffffffff81, 0x4, 'syz0\x00', 0xffff}, 0x2, 0x600, 0x7, r13, 0x1, 0x1000, 'syz0\x00', &(0x7f0000001380)=['selflo&[cgrouplo}\x00'], 0x12, [], [0x6e35, 0x6, 0xda, 0x1]}) stat(&(0x7f0000001500)='./file0\x00', &(0x7f0000001540)) ioctl$sock_kcm_SIOCKCMCLONE(r0, 0x89e2, &(0x7f00000015c0)={r0}) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f0000001600)={0x0, 0x3, 0xbd000000, 0x7fff, 0x400}, 0x14) setsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r17, 0x84, 0x8, &(0x7f0000001640), 0x4) 16:59:00 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000002130baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:00 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x7ffff000}], 0x1}, 0x0) 16:59:00 executing program 7: r0 = socket$inet6(0xa, 0x0, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:00 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1c, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:00 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) msgget$private(0x0, 0xd3ceebb58f178acd) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) 16:59:00 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0xc, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 726.271423] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:00 executing program 2: setsockopt$inet6_udp_int(0xffffffffffffffff, 0x11, 0x100000000a, &(0x7f00005b1ffc)=0x1, 0x4) sendto$inet6(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000000100)={0xa, 0x4e23}, 0x1c) sync_file_range(0xffffffffffffffff, 0x0, 0x7, 0x4) clock_settime(0x7, &(0x7f0000004a40)) r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000004b40)='/dev/uinput\x00', 0x20000, 0x0) sendto$inet6(r0, &(0x7f0000004b80)="7200cea39188b2764c8c", 0xa, 0x4005, &(0x7f0000004bc0)={0xa, 0x4e20, 0x3, @empty, 0x100000000}, 0x1c) r1 = socket$key(0xf, 0x3, 0x2) socket$inet_smc(0x2b, 0x1, 0x0) clock_gettime(0x0, &(0x7f00000049c0)={0x0, 0x0}) recvmmsg(r1, &(0x7f0000004880)=[{{&(0x7f0000000000)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, 0x80, &(0x7f0000000300)=[{&(0x7f0000000080)=""/66, 0x42}, {&(0x7f0000000140)=""/244, 0xf4}, {&(0x7f0000000240)=""/163, 0xa3}], 0x3, &(0x7f0000000340)=""/120, 0x78, 0x8}, 0x3}, {{&(0x7f00000003c0)=@ll={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @local}, 0x80, &(0x7f00000008c0)=[{&(0x7f0000000440)=""/240, 0xf0}, {&(0x7f0000000540)=""/252, 0xfc}, {&(0x7f0000000640)=""/73, 0x49}, {&(0x7f00000006c0)=""/220, 0xdc}, {&(0x7f00000007c0)=""/211, 0xd3}], 0x5, &(0x7f0000000940)=""/67, 0x43}, 0x5}, {{0x0, 0x0, &(0x7f0000000f80)=[{&(0x7f00000009c0)=""/212, 0xd4}, {&(0x7f0000000ac0)=""/253, 0xfd}, {&(0x7f0000000bc0)=""/67, 0x43}, {&(0x7f0000000c40)=""/238, 0xee}, {&(0x7f0000000d40)=""/242, 0xf2}, {&(0x7f0000000e40)=""/156, 0x9c}, {&(0x7f0000000f00)=""/85, 0x55}], 0x7, &(0x7f0000001000)=""/202, 0xca, 0x3}, 0x3}, {{&(0x7f0000001100)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @random}, 0x80, &(0x7f00000013c0)=[{&(0x7f0000001180)=""/145, 0x91}, {&(0x7f0000001240)=""/162, 0xa2}, {&(0x7f0000001300)=""/150, 0x96}], 0x3, 0x0, 0x0, 0x6}, 0x7f}, {{&(0x7f0000001400)=@nl=@proc, 0x80, &(0x7f0000003800)=[{&(0x7f0000001480)=""/202, 0xca}, {&(0x7f0000001580)=""/248, 0xf8}, {&(0x7f0000001680)=""/61, 0x3d}, {&(0x7f00000016c0)=""/46, 0x2e}, {&(0x7f0000001700)=""/199, 0xc7}, {&(0x7f0000001800)=""/4096, 0x1000}, {&(0x7f0000002800)=""/4096, 0x1000}], 0x7, &(0x7f0000003880)=""/4096, 0x1000, 0x4}, 0x8000}], 0x5, 0x42, &(0x7f0000004a00)={r2, r3+10000000}) pipe2(&(0x7f0000004a80)={0xffffffffffffffff, 0xffffffffffffffff}, 0x80800) ioctl$SNDRV_SEQ_IOCTL_GET_SUBSCRIPTION(r4, 0xc0505350, &(0x7f0000004ac0)={{0x3, 0x7}, {0x1ff, 0x2b571527}, 0x0, 0x0, 0x6}) 16:59:00 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0xec0, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:00 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0xc0}], 0x1}, 0x0) 16:59:00 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f39baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:00 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x62, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:00 executing program 2: r0 = getpgrp(0xffffffffffffffff) getpriority(0xfffc000000000001, r0) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x40, 0x0) getsockopt$ARPT_SO_GET_REVISION_TARGET(r1, 0x0, 0x63, &(0x7f0000000040)={'TPROXY\x00'}, &(0x7f0000000080)=0x1e) r2 = syz_genetlink_get_family_id$fou(&(0x7f0000000100)='fou\x00') sendmsg$FOU_CMD_GET(r1, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x10800}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x28, r2, 0x0, 0x70bd27, 0x25dfdbfe, {0x3}, [@FOU_ATTR_IPPROTO={0x8, 0x3}, @FOU_ATTR_REMCSUM_NOPARTIAL={0x4, 0x5}, @FOU_ATTR_TYPE={0x8, 0x4, 0x3}]}, 0x28}, 0x1, 0x0, 0x0, 0x10}, 0x4004004) 16:59:00 executing program 7: r0 = socket$inet6(0xa, 0x0, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) [ 726.479162] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:01 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:01 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:01 executing program 2: r0 = socket(0x15, 0x80005, 0x0) getsockopt(r0, 0x114, 0x5, &(0x7f0000000080), &(0x7f0000000040)=0x2c3) r1 = creat(&(0x7f0000000000)='./file0\x00', 0x140) ioctl$TUNSETTXFILTER(r1, 0x400454d1, &(0x7f0000000080)={0x1, 0x1, [@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xf}]}) 16:59:01 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0xf}], 0x1}, 0x0) 16:59:01 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x20000081, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:01 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000fe8baa000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:01 executing program 7: r0 = socket$inet6(0xa, 0x0, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:01 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) mq_open(&(0x7f0000000040)='\x00', 0x1, 0x48, &(0x7f0000000080)={0x5, 0xffffffffffffff01, 0x1ff, 0x3, 0x87bd, 0x9, 0x5, 0x8}) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000)=ANY=[], 0x0) tkill(r0, 0x1000000000016) 16:59:01 executing program 2: r0 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0xabf, 0x410000) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000180)={0xffffffff}, 0x0, 0x1000}}, 0x20) write$RDMA_USER_CM_CMD_JOIN_MCAST(r0, &(0x7f0000000200)={0x16, 0x98, 0xfa00, {&(0x7f0000000080), 0x4, r1, 0x3c, 0x1, @in6={0xa, 0x4e21, 0x6, @mcast1={0xff, 0x1, [], 0x1}, 0x6}}}, 0xa0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) perf_event_open(&(0x7f0000000100)={0x2, 0x70, 0x3e6, 0x4000000000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_CREATE_DEVICE(r3, 0xc00caee0, &(0x7f0000000040)={0x4}) ioctl$KVM_CREATE_DEVICE(r3, 0xc00caee0, &(0x7f00000000c0)={0x4}) [ 727.402402] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:01 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x24, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:01 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:01 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0xec0}], 0x1}, 0x0) 16:59:02 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:02 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30ba9000eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:02 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 727.596219] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:02 executing program 2: exit(0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000002, 0x800000000008031, 0xffffffffffffffff, 0x0) mbind(&(0x7f00002d8000/0x3000)=nil, 0x3000, 0x0, &(0x7f0000000380), 0x0, 0x0) mbind(&(0x7f0000012000/0xc00000)=nil, 0xc00000, 0x0, &(0x7f00000000c0), 0x2, 0x3) madvise(&(0x7f00008ed000/0x4000)=nil, 0x4000, 0x9) r0 = socket$inet6(0xa, 0x0, 0x0) open_by_handle_at(r0, &(0x7f0000000000)={0x2b, 0x2, "b7d79319ece85e5c47c0a989b7b9edeba88693597da2d16faca3acb89c76bf604a96fd"}, 0x40000) ioctl(0xffffffffffffffff, 0x0, &(0x7f0000000000)) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) getsockopt$inet6_dccp_int(r0, 0x21, 0x11, &(0x7f0000000040), &(0x7f0000000080)=0x4) 16:59:02 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:02 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x28, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:02 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:02 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x3}, 0x0) 16:59:02 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:02 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) ioctl$IOC_PR_CLEAR(r3, 0x401070cd, &(0x7f0000000040)={0x8}) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) socket$nl_xfrm(0x10, 0x3, 0x6) tkill(r0, 0x1000000000016) 16:59:02 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa00eeddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:03 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 728.570226] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:03 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x10}, 0x0) 16:59:03 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:03 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa011eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:03 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(0xffffffffffffffff, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:03 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x2e, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:03 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f000016b000)={0x26, 'skcipher\x00', 0x0, 0x0, 'lrw(serpent)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00003c1000)="0a0775b0d5e383e5b3b60ced5c54dbb7", 0x10) r1 = accept$alg(r0, 0x0, 0x0) r2 = accept4$inet(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, @rand_addr}, &(0x7f0000000100)=0x10, 0x800) setsockopt$inet_buf(r2, 0x0, 0x3a, &(0x7f0000000140)="9e17f117a6cfb2b4d1d15a7b4272b249512d1c16f751a0fe026ad9fa6cc353db86c3f2943dd22071", 0x28) sendmsg$nl_xfrm(r1, &(0x7f00000defe0)={&(0x7f0000a1c000)={0x10}, 0xc, &(0x7f00005ec000)={&(0x7f0000000000)=ANY=[@ANYBLOB="9c000000230000000000000000000000000000008800110600800002000000000000000000df00ff00000000000000050000000000000001000000000000000000000000ff02000000000000000000000000000100000000000000000000000000000000000000000000000000000000ac140000000000000000ffffffff0000000000000000000000000000000000000000000000007135671ee54fe39678329f488ad6ee14a6a066ccd3509c5598c31e1a000000000000"], 0xfffffe7b}, 0x1}, 0x0) recvmmsg(r1, &(0x7f0000002e00)=[{{0x0, 0x0, &(0x7f0000002cc0)=[{&(0x7f0000001b40)=""/82, 0x52}, {&(0x7f0000001bc0)=""/4096, 0x1000}, {&(0x7f0000002bc0)=""/195, 0xc3}], 0x3, &(0x7f0000002d40)=""/176, 0xb0}}], 0x1, 0x0, &(0x7f0000002f00)={0x77359400}) 16:59:03 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 728.809153] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:03 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:04 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:04 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x2}, 0x0) 16:59:04 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa016eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:04 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0xe, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:04 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:04 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:04 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r2, 0x80000) ioctl$PPPIOCGL2TPSTATS(r3, 0x80487436, &(0x7f0000000180)="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") r4 = dup3(r2, r1, 0x0) openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup/syz1\x00', 0x200002, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r4, &(0x7f0000000000)=ANY=[], 0x0) tkill(r0, 0x1000000000016) [ 729.754684] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:04 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:04 executing program 2: socketpair$inet6_dccp(0xa, 0x6, 0x0, &(0x7f0000000000)={0xffffffffffffffff}) getsockopt$inet6_int(r0, 0x29, 0x46, &(0x7f0000000040), &(0x7f0000000080)=0x4) r1 = socket$inet6(0xa, 0x1, 0x0) r2 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/null\x00', 0x0, 0x0) setsockopt$netlink_NETLINK_RX_RING(r2, 0x10e, 0x6, &(0x7f0000000100)={0x3, 0x1000, 0x80, 0x4}, 0x10) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r2, 0x84, 0xf, &(0x7f0000000140)={0x0, @in={{0x2, 0x4e22, @rand_addr=0x100000000}}, 0x2, 0x100000000, 0x2, 0x3}, &(0x7f0000000240)=0x98) getsockopt$inet_sctp6_SCTP_PR_SUPPORTED(r1, 0x84, 0x71, &(0x7f0000000280)={r3, 0x81}, &(0x7f00000002c0)=0x8) setsockopt$SO_TIMESTAMPING(r1, 0x1, 0x25, &(0x7f0000000200)=0x80, 0x4) 16:59:04 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x5}, 0x0) 16:59:04 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x31, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:04 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:04 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:04 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa009eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:04 executing program 2: timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r0 = memfd_create(&(0x7f00000000c0)='dev ', 0x3) write(r0, &(0x7f0000000040)="16", 0x1) sendfile(r0, r0, &(0x7f0000001000), 0xffff) fcntl$addseals(r0, 0x409, 0x8) r1 = gettid() setsockopt$inet_sctp6_SCTP_AUTOCLOSE(r0, 0x84, 0x4, &(0x7f0000000000)=0xff97, 0x4) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) fallocate(r0, 0x0, 0x0, 0x3ff) tkill(r1, 0x1000000000016) clone(0x0, &(0x7f0000000000), &(0x7f00000000c0), &(0x7f0000000100), &(0x7f0000000000)) getsockopt$IP6T_SO_GET_REVISION_TARGET(r0, 0x29, 0x45, &(0x7f0000000080)={'IDLETIMER\x00'}, &(0x7f0000000140)=0x1e) r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000240)="0054fc2f07d82c99240970") [ 729.944579] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:04 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:05 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0xffff000000000000}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:05 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x6}, 0x0) 16:59:05 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x39, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:05 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x0, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:05 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa015eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:05 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:05 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)=0x0) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r2}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r2, 0x40045431, &(0x7f0000000000)) r3 = syz_open_pts(r2, 0x400) r4 = dup3(r3, r2, 0x0) timer_getoverrun(r1) write(r2, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r2, 0x540a, 0x2) write$cgroup_pid(r4, &(0x7f0000000000)=ANY=[], 0x0) ioctl$GIO_UNISCRNMAP(r2, 0x4b69, &(0x7f0000000040)=""/52) tkill(r0, 0x1000000000016) ioctl$GIO_FONT(r3, 0x4b60, &(0x7f0000000180)=""/4096) ioctl$TCSBRK(r2, 0x5409, 0x4) [ 730.928901] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:05 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:05 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0xc, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:05 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0xa}, 0x0) 16:59:05 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:05 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:05 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa014eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:05 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 731.171161] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:05 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) r3 = openat$full(0xffffffffffffff9c, &(0x7f0000000040)='/dev/full\x00', 0x400, 0x0) setsockopt$inet_sctp6_SCTP_ADAPTATION_LAYER(r3, 0x84, 0x7, &(0x7f0000000080), 0x4) ioctl$KVM_SET_CPUID(r2, 0xc008ae91, &(0x7f0000000000)) 16:59:05 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x8}, 0x0) [ 731.375115] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:06 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:06 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0xf, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:06 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:06 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0x4000000000000000}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:06 executing program 2: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$packet(0x11, 0x20000000000003, 0x300) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey\x00', 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000340)={'bridge_slave_0\x00', 0x0}) setsockopt$packet_add_memb(r1, 0x107, 0x1, &(0x7f0000000000)={r2, 0x3, 0x5, @random="7360e7c7378a"}, 0xffffffffffffff2e) close(r1) 16:59:06 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0xc}, 0x0) 16:59:06 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa005eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:06 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x220401, 0x0) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) ioctl$TIOCGLCKTRMIOS(r2, 0x5456, &(0x7f0000000080)={0xe67, 0x7, 0x5, 0x2, 0xe6, 0x81, 0xc1, 0x8, 0xfffffffffffffff8, 0x800, 0x3, 0x7}) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x410002f) [ 732.089848] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:06 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:06 executing program 2: request_key(&(0x7f00000003c0)='user\x00', &(0x7f0000001ffb)={0x73, 0x79, 0x7a}, &(0x7f0000001fee)="520972757374e36301000000000000004465", 0x0) r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/backup_only\x00', 0x2, 0x0) ioctl$EVIOCRMFF(r0, 0x40044581, &(0x7f0000000040)=0x8) 16:59:06 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1500}, 0x0) 16:59:06 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:06 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x3c, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:06 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000e8db8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:06 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:06 executing program 2: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000000)="295ee1311f16f477671070") r1 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x0, 0x11, r1, 0x0) mremap(&(0x7f000000a000/0x1000)=nil, 0x1000, 0x2000, 0x3, &(0x7f0000005000/0x2000)=nil) mremap(&(0x7f0000002000/0x1000)=nil, 0x1000, 0x3000, 0x3, &(0x7f0000005000/0x3000)=nil) syslog(0x1, &(0x7f0000000040)=""/54, 0x36) getsockopt$inet_sctp_SCTP_MAX_BURST(r1, 0x84, 0x14, &(0x7f0000000080)=@assoc_value, &(0x7f00000000c0)=0x8) [ 732.342653] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:06 executing program 2: r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x8100, 0x0) ioctl$SG_GET_SG_TABLESIZE(r0, 0x227f, &(0x7f0000000040)) r1 = socket$unix(0x1, 0x1, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) bind$unix(r2, &(0x7f0000003000)=@file={0x1, "e91f7189591e9233614b00"}, 0xc) listen(r2, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) connect(r3, &(0x7f0000931ff4)=@un=@file={0x1, "e91f7189591e9233614b00"}, 0xc) connect(r1, &(0x7f0000987ff4)=@un=@file={0x1, "e91f7189591e9233614b00"}, 0xc) r4 = gettid() timer_create(0x0, &(0x7f0000ec5000)={0x0, 0x12}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x1c9c380}}, &(0x7f0000040000)) getsockopt$inet_sctp_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f0000000080), &(0x7f00000000c0)=0x4) tkill(r4, 0x1000000000013) listen(r2, 0x5) 16:59:06 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:06 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x140}, 0x0) [ 732.495830] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:07 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0x10000000}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:07 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x41, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:07 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:07 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:07 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa018eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:07 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xec0}, 0x0) 16:59:07 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$GIO_UNIMAP(r1, 0x4b66, &(0x7f0000000080)={0x2, &(0x7f0000000040)=[{}, {}]}) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) ioctl$void(r3, 0xc0045c77) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) io_setup(0xaa6, &(0x7f0000000240)=0x0) io_cancel(r4, &(0x7f0000000340)={0x0, 0x0, 0x0, 0x7, 0xfffffffffffffe01, r1, &(0x7f0000000280)="372948848b6f6394ddfc444f8879a646f671b5305c045aa422b97c639961450e8b4e837e47a3da9ae8b52bfe07bcf0e0efeca4bf3f5720a05f42ed336a9eea0358623db5af2ba5c9bcae14cc9be592dfc2a6877cfa6dc38fde5468a9e0a4b5dc64a3eeb88c97229a350422e345c07db33af18f105d7fbdc62a9516054076029bdba58b54464572d5c9b29b55087513fee789600c476dec0e3fcacc450731b4039c2b579209", 0xa5, 0x8, 0x0, 0x0, r3}, &(0x7f0000000380)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000)=ANY=[], 0x0) r5 = msgget(0x0, 0x410) setsockopt$inet6_dccp_int(r3, 0x21, 0x13, &(0x7f00000000c0)=0x8, 0x4) msgsnd(r5, &(0x7f0000000180)={0x3, "221c371c444d3b9ed2ce045c7d156d257647eb06d14645230d3d2c1f967865706bfcd2c0ab39cdf6f8848eb1be24cde3e4a49c2a5836e0d336bb88a0c12e23bbf629b7d385f0e42db1f249906e84e7a2e37b7194d34348045ae85634d6b24c796cdd40781d6531abd45e20cbc1aa0055e0b611660528894e7fa170ee4d235366e93754eaf735b6084f59078439a52e"}, 0x97, 0x800) msgrcv(r5, &(0x7f00000004c0)={0x0, ""/73}, 0x51, 0x3, 0x800) tkill(r0, 0x4040000000002f) clock_gettime(0x0, &(0x7f0000000400)={0x0, 0x0}) ppoll(&(0x7f00000003c0)=[{r2, 0x428}, {r3}], 0x2, &(0x7f0000000440)={r6, r7+10000000}, &(0x7f0000000480)={0x7f}, 0x8) 16:59:07 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 733.281013] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:07 executing program 2: capset(&(0x7f0000000000)={0x19980330}, &(0x7f0000001fe8)) stat(&(0x7f0000000040)='./file0\x00', &(0x7f0000000080)) r0 = syz_open_dev$vcsa(&(0x7f0000000700)='/dev/vcsa#\x00', 0x9, 0x101080) getsockopt$inet6_IPV6_IPSEC_POLICY(0xffffffffffffffff, 0x29, 0x22, &(0x7f0000000740)={{{@in6=@local, @in=@broadcast, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@multicast1}, 0x0, @in6=@remote}}, &(0x7f0000000840)=0xe8) sendmsg$can_bcm(r0, &(0x7f0000000980)={&(0x7f0000000880)={0x1d, r1}, 0x10, &(0x7f0000000940)={&(0x7f00000008c0)={0x6, 0x20, 0xff, {0x77359400}, {0x77359400}, {0x0, 0x80000000, 0x2c3fe2f8, 0x1ff}, 0x1, @can={{0x4, 0x40, 0x4, 0x3}, 0x0, 0x1, 0x0, 0x0, "52f27b997f927fe7"}}, 0x48}, 0x1}, 0x10) stat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x22, &(0x7f0000000300)={0xe0, 0x820b, 0x100000001, 0xe6, 0x0}, &(0x7f0000000340)=0x10) getsockopt$inet_sctp_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000380)={0x200, 0x10000, 0x0, 0x8, 0x6e3b, 0x4, 0x5, 0x401, r2}, &(0x7f00000003c0)=0x20) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000001c0)={{{@in, @in6=@dev, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in6=@local}}, &(0x7f00000002c0)=0xe8) setuid(r3) 16:59:07 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:07 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x4001000000000000}, 0x0) 16:59:07 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x2b, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:07 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa030eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:07 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:07 executing program 2: r0 = memfd_create(&(0x7f0000000000)="40722773656c9e402294d8432d665c272d5b76626f786e65743000", 0x2) fcntl$dupfd(r0, 0x0, r0) fcntl$addseals(r0, 0x409, 0x2) write(r0, &(0x7f0000000080)="fb", 0x1) ftruncate(r0, 0x0) 16:59:07 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 733.483628] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:08 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0xffff0000}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:08 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) r1 = dup2(r0, r0) getsockopt$IP_VS_SO_GET_SERVICE(r0, 0x0, 0x483, &(0x7f0000000040), &(0x7f00000000c0)=0x68) accept4$packet(r1, 0x0, &(0x7f0000000000), 0x80000) bind$alg(r0, &(0x7f00000001c0)={0x26, 'rng\x00', 0x0, 0x0, 'drbg_pr_sha512\x00'}, 0x58) close(r0) accept$alg(r1, 0x0, 0x0) 16:59:08 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x22, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:08 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xffffff7f00000000}, 0x0) 16:59:08 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:08 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:08 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa003eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:08 executing program 5: r0 = gettid() timer_create(0x7, &(0x7f0000044000)={0x0, 0x11, 0x0, @thr={&(0x7f0000000180)="c6e2a81f9bd394be44aa7bec6f83894686755da12eb67ef3e260675d5e3d3c9153d5d4967a72b853a9b31069f1fcb18504fc6108c23cf918d5684faf876fe5c3be983ebbfe2db0236d", &(0x7f0000000200)="ba2301daebd9be5edd67be42414e02dc39e323a6ed62d008b98abc2219a4b6ff9acf7ec049287f9e7b53a9006e24f5c9a336baddb317dfcd5dd03bf1bd16d576b59ca67fa6c927ddb98856ee20767479522b8c535a099fd6f3309864377d"}}, &(0x7f0000000080)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) 16:59:08 executing program 2: unshare(0x2000000040000000) r0 = syz_open_dev$ndb(&(0x7f0000000000)='/dev/nbd#\x00', 0x0, 0x24800) socket$inet6(0xa, 0x1, 0x0) r1 = syz_open_dev$adsp(&(0x7f0000000080)='/dev/adsp#\x00', 0x8, 0x303200) ioctl$SNDRV_CTL_IOCTL_TLV_READ(r1, 0xc008551a, &(0x7f0000000280)=ANY=[@ANYBLOB="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"]) ioctl(r1, 0x4200008912, &(0x7f0000000180)="295ee1311f16f477671070") ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000140)={0xaa, 0x6c}) ioctl$IOC_PR_RESERVE(r0, 0x1262, &(0x7f0000000100)) 16:59:08 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x34000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 734.459875] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:09 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x2, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:09 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f47767") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:09 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x35, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:09 executing program 2: r0 = socket$inet6(0xa, 0x2, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") flistxattr(r0, &(0x7f0000000140)=""/241, 0xf1) r1 = socket$inet(0x10, 0x3, 0x10) sendmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000009ff0)=[{&(0x7f0000000000)="24000000110007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e280000001100ffffba16a0aa1c0009b3ebea8653b1cc7e63975c0ac47b6268e3966cf055d90f15a3", 0x4c}], 0x1}, 0x0) bind(r0, &(0x7f0000000080)=@pptp={0x18, 0x2, {0x3, @multicast1=0xe0000001}}, 0x80) 16:59:09 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x5d09}, 0x0) 16:59:09 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa007eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 734.702466] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:10 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0x40000000}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:10 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x4000000000000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:10 executing program 2: r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000d81ff8)=0x101) mkdir(&(0x7f000082f000)='./control\x00', 0x0) mount(&(0x7f0000000080)='./control/file0\x00', &(0x7f0000000140)='./control/file0\x00', &(0x7f0000000180)='logfs\x00', 0x100002, &(0x7f00000001c0)="ba9828c6207f840efed3fc4322773148c8dc4464b0acb33809d9abc23b51a245d4956e524447494f257b1ed691d031e0e5cdfc74fdf85ad3ffb8a7390464d164673dee50e9689e6a40db77554e1b57a22b2b018b104dd23af2018a241ec705d2a2de05fa07db1e7121f71d627cb3762e8d07deb0e472f32d4b4d874dbf4a92d2e483feaef582712aa5011be80e") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000e4c000)={0xaa}) creat(&(0x7f0000000040)='./control/file1\x00', 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000043fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = creat(&(0x7f0000000000)='./control/file0\x00', 0x0) write$sndseq(r2, &(0x7f0000011fd2)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @time=@time={0x77359400}}], 0x30) unlink(&(0x7f00000000c0)='./control/file0\x00') rmdir(&(0x7f000015dff6)='./control\x00') unlink(&(0x7f0000000100)='./control/file0\x00') close(r1) 16:59:10 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x4e22}, 0x0) 16:59:10 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f47767") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:10 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x16, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:10 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa010eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 735.634229] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:10 executing program 5: r0 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000040)='memory.swap.current\x00', 0x0, 0x0) ioctl$SG_NEXT_CMD_LEN(r0, 0x2283, &(0x7f0000000080)=0xaf) r1 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r2}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r2, 0x40045431, &(0x7f0000000000)) r3 = syz_open_pts(r2, 0x2) r4 = dup3(r3, r2, 0x0) write(r2, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r2, 0x540a, 0x2) write$cgroup_pid(r4, &(0x7f0000000000)=ANY=[], 0x0) tkill(r1, 0x1000000000016) ioctl$TIOCSLCKTRMIOS(r3, 0x5457, &(0x7f00000000c0)) 16:59:10 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x100000000000000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:10 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f47767") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:10 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa004eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:10 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x3}, 0x0) 16:59:10 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x37, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:10 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x200000000000000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 735.818310] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:10 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xc3f2ffff00000000}, 0x0) 16:59:10 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x27, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 735.937290] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:11 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0x4000}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:11 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0xffc99a3b, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:11 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f4776710") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:11 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa00deddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:11 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x300000000000000}, 0x0) 16:59:11 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0xffffffc2, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:11 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'crc32\x00'}, 0x58) r1 = socket$inet6(0xa, 0x1, 0x1) ioctl(r1, 0x4000008912, &(0x7f0000000100)="2957e1311f16f477671070") r2 = socket$inet_smc(0x2b, 0x1, 0x0) bind(r2, &(0x7f0000000040)=@in6={0xa, 0x0, 0x0, @loopback={0x0, 0x1}}, 0xf) bind$alg(r0, &(0x7f0000000040)={0x26, 'aead\x00', 0x0, 0x0, 'morus1280-generic\x00'}, 0x58) r3 = accept$alg(r1, 0x0, 0x0) openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/drop_packet\x00', 0x2, 0x0) sendmmsg$alg(r3, &(0x7f0000002080)=[{0x0, 0x0, &(0x7f0000000300)=[{&(0x7f0000000000)="9d", 0x1}, {&(0x7f0000000240)="f461d28a868efe09757670f714f2830b303abdb8fd8c5dc5c56ccaaaab64f4cb330ca5312d33a8f0b9d9d67807286bc50d9501b57d9cf70c2894cd3f1f1df61f9b619ecc577b8f670133cac88ba3a7e9b0", 0x51}], 0x2, &(0x7f0000001780)}], 0x1, 0x0) [ 736.733198] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:11 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) socket$vsock_stream(0x28, 0x1, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) perf_event_open(&(0x7f0000000080)={0x7, 0x70, 0x1, 0x8, 0x2, 0x20, 0x0, 0x2, 0x0, 0x3, 0x60e, 0x400, 0x10001, 0xff, 0x400, 0x7, 0xba1, 0x9, 0x2, 0x100000001, 0x0, 0xb0dd, 0xa3dc, 0x10001, 0x7, 0x9fe7, 0x5, 0x6, 0x3ff, 0x7, 0x8001, 0x1, 0xa234, 0x3, 0x20, 0x8, 0x80000000, 0x100000000, 0x0, 0x6, 0x1, @perf_bp={&(0x7f0000000040), 0x2}, 0x80, 0x2, 0x800, 0x5, 0x0, 0x5, 0x10001}, r0, 0x4, r3, 0x2) ioctl$TCXONC(r3, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) ioctl$FS_IOC_SETFSLABEL(r1, 0x41009432, &(0x7f0000000180)="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") 16:59:11 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x29, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:11 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0xc00e0000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:11 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f4776710") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:11 executing program 2: r0 = socket$inet_smc(0x2b, 0x1, 0x0) r1 = syz_open_dev$adsp(&(0x7f0000000300)='/dev/adsp#\x00', 0x8, 0x20000) setsockopt$SO_RDS_TRANSPORT(r1, 0x114, 0x8, &(0x7f0000000340)=0x1, 0x4) listen(r0, 0x0) shutdown(r0, 0x0) ioctl$sock_SIOCOUTQNSD(r0, 0x541b, &(0x7f0000000040)) 16:59:11 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xc00e0000}, 0x0) 16:59:11 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa013eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:11 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x1000000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:11 executing program 2: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000580)='/dev/dsp\x00', 0x0, 0x0) r1 = socket$inet6(0xa, 0x1000000000002, 0x0) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl(r1, 0x8912, &(0x7f0000000240)="0047fc2f07d82c99240970") time(&(0x7f0000000000)) fcntl$getflags(0xffffffffffffffff, 0x0) fcntl$getflags(r0, 0x40a) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000000040)={0x0, @in={{0x2, 0x4e23, @broadcast=0xffffffff}}, 0x0, 0x7fffffff, 0xa798, 0x14, 0x1000}, &(0x7f00000001c0)=0x98) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000200)={r2, 0x6}, &(0x7f0000000280)=0x8) clone(0x0, &(0x7f0000000080), &(0x7f0000000000), &(0x7f0000000100), &(0x7f0000000240)) madvise(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x0) [ 737.019844] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:12 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0x10}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:12 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f4776710") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:12 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x34000}, 0x0) 16:59:12 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x13, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:12 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0xc00e, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:12 executing program 2: r0 = accept4$packet(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, &(0x7f0000000040)=0x14, 0x80000) getsockname(r0, &(0x7f00000000c0)=@nfc, &(0x7f0000000140)=0x80) mkdir(&(0x7f0000000180)='./file0\x00', 0x0) mount(&(0x7f0000000840)='./file0/file0\x00', &(0x7f0000000200)='./file0\x00', &(0x7f00000008c0)='proc\x00', 0x0, 0x0) syz_fuseblk_mount(&(0x7f0000000080)='./file0\x00', &(0x7f00000001c0)='./file0/file0\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) getsockopt$sock_cred(r0, 0x1, 0x11, &(0x7f00000002c0)={0x0, 0x0}, &(0x7f0000000300)=0xc) stat(&(0x7f0000000340)='./file0/file0/file0\x00', &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuseblk_mount(&(0x7f0000000240)='./file0\x00', &(0x7f0000000280)='./file0/file0\x00', 0x8000, r1, r2, 0x3, 0x6, 0xe4000) 16:59:12 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$BINDER_SET_CONTEXT_MGR(r3, 0x40046207, 0x0) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) 16:59:12 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa050eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 737.922831] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:12 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x1a000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:12 executing program 2: r0 = inotify_init1(0x0) r1 = gettid() fcntl$setownex(r0, 0xf, &(0x7f0000000100)={0x0, r1}) r2 = fcntl$getown(r0, 0x9) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r4, &(0x7f00000000c0)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000080)={0xffffffff}, 0x111, 0x9}}, 0x20) write$RDMA_USER_CM_CMD_LISTEN(r4, &(0x7f0000000140)={0x7, 0x8, 0xfa00, {r5, 0x4}}, 0x10) kcmp$KCMP_EPOLL_TFD(r2, r1, 0x7, r0, &(0x7f0000000040)={r3}) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(r3, 0x84, 0x1c, &(0x7f0000000200), &(0x7f0000000240)=0x4) rseq(&(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0, 0x1, 0x1f, 0x3}, 0x7}, 0x20, 0x0, 0x0) 16:59:12 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xfffff000}, 0x0) 16:59:12 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x0, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:12 executing program 2: r0 = socket$inet(0x10, 0x100000000003, 0x1) r1 = socket$inet(0x2, 0x802, 0xfffffffffffffff9) sendmsg(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000009ff0)=[{&(0x7f0000000140)="24000000250007031dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e280000002600ffffba16a0aa1c0009b3ebea8653b1cc7e63975c0ac47b6268e3966cf055d90f15a3", 0x4c}], 0x1, 0x0, 0xffffffffffffff00}, 0x0) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f00000000c0)={0x0, 0x0, 0x0}, &(0x7f00000001c0)=0xc) setgid(r2) setsockopt(r1, 0xffffffffffffffc1, 0x1, &(0x7f0000000200)="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", 0x1000) vmsplice(r0, &(0x7f00000023c0)=[{&(0x7f0000001200)="50416eb88a4b", 0x6}, {&(0x7f0000001240)="b0cbcc88cb5d7d6382dc0b667025fd3ff40952a663cf9bdc32b694eb9879d27bb06ff1803eb7013e7ce6682bf0707129b60102ab53c5f66eaa1a60bc8315858d8b62ee4b7ffa217a80f8c3a8c9679f9eecaa17c94b08c37adfb417ba71251a15cfc90c5bae39acc721f61a2a78983cab3442d9e25fede361a924d5556a18a14c5ec260227af9ef45c19b662efcca4b3731d14dd08c24a4af177875423199da7b6420662ec999a8f49b2c2da903936cdcd73822034280e55a96f4a447dbbd49a4357544872a58a5db", 0xc8}, {&(0x7f0000001340)="7b6d01da20d25200bbb6f899ae12c38a843dd2c371021cbca7c0192c7a38392b6dd3192b2d812405eed4cf8ddd92e3f561dbdac0da993e9a018a11e6d97d2e721419323d7e999bfda31ce78a63cbfa37982192661b26cf6d93ff99a6031b7890265de264fec328cad45e5a89", 0x6c}, {&(0x7f00000013c0)="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", 0x1000}], 0x4, 0x1) stat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r4 = open(&(0x7f0000002400)='./file1\x00', 0x301000, 0x90) epoll_wait(r4, &(0x7f0000002440)=[{}, {}, {}, {}], 0x4, 0x7f) setfsgid(r3) 16:59:12 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1b, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:12 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa00ceddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:12 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0xec0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 738.121868] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:13 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:13 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x3a, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:13 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0x1000000000000000}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:13 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x3, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:13 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x280002, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_ENABLE_CAP(r1, 0xc00caee0, &(0x7f0000000080)={0x79}) 16:59:13 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa002eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:13 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x3d}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x80000) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)={{0x0}, {0x0, 0x0}}) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000180)=ANY=[@ANYPTR=&(0x7f00000000c0)=ANY=[@ANYRES64, @ANYPTR64=&(0x7f0000000040)=ANY=[@ANYPTR, @ANYRES64=r3, @ANYRES64=r2, @ANYRES64=r4, @ANYPTR], @ANYRES64=r6, @ANYRES64=r1, @ANYRES32=r1, @ANYPTR64=&(0x7f0000000080)=ANY=[@ANYPTR], @ANYRES32=r5, @ANYRES32=0x0, @ANYRES32=r2]], 0xffffffffffffff2a) tkill(r0, 0x1000000000016) 16:59:13 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xb86b}, 0x0) [ 739.047610] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:13 executing program 2: socket$nl_netfilter(0x10, 0x3, 0xc) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(r0, 0x10e, 0x1, &(0x7f0000000200)=0x1, 0x4) timer_create(0x3, &(0x7f0000000040)={0x0, 0x19, 0x1, @tid=0xffffffffffffffff}, &(0x7f0000000080)=0x0) timer_delete(r1) 16:59:13 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:13 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0xa0010000000000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:13 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x2450}, 0x0) 16:59:13 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa006eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:13 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x32, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:13 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) [ 739.255877] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:13 executing program 2: r0 = openat$nullb(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/nullb0\x00', 0x4000000004002, 0x0) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x200000e, 0x13, r0, 0x0) mbind(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x0, &(0x7f0000000000), 0x0, 0x0) write$binfmt_script(r0, &(0x7f00000001c0)=ANY=[@ANYBLOB='#! K/file0 /dev/nulle0\x00\n'], 0x18) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs\x00', 0x101200, 0x0) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(0xffffffffffffffff, 0x84, 0xf, &(0x7f00000002c0)={0x0, @in6={{0xa, 0x4e20, 0x9b, @empty, 0x7f}}, 0x61, 0x681, 0x84d4, 0x1, 0x5}, &(0x7f0000000080)=0x98) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r3, 0x84, 0x6, &(0x7f00000003c0)={r4, @in={{0x2, 0x4e22, @broadcast=0xffffffff}}}, &(0x7f0000000200)=0x84) r5 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r2, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f0000000500)="0f0866b8ed008ec066ba4000b000eed2a807000000410f01cab98e0b0000b862000000ba000000000f30b90b0800000f320fc72a8f2a60128f00000000003000000fc7aa00100000", 0x48}], 0x0, 0x0, &(0x7f0000000040), 0x0) ioctl$KVM_RUN(r5, 0xae80, 0x0) getsockopt$inet_IP_IPSEC_POLICY(0xffffffffffffffff, 0x0, 0x10, &(0x7f00000000c0)={{{@in6=@mcast2, @in6=@ipv4={[], [], @multicast2}}}, {{@in6=@dev}, 0x0, @in=@loopback}}, &(0x7f00000001c0)=0xe8) ioctl$KVM_RUN(r5, 0xae80, 0x0) ptrace$pokeuser(0x6, 0x0, 0x0, 0x0) 16:59:13 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x40030000000000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:13 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x1f00000000000000}, 0x0) [ 739.478275] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:14 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0x0, 0x10}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:14 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x0, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:14 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0xc00e000000000000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:14 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa012eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:14 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x2a, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:14 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x9effffff00000000}, 0x0) 16:59:14 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f89f47b671070") r1 = socket$alg(0x26, 0x5, 0x0) bind$alg(r1, &(0x7f0000000440)={0x26, 'skcipher\x00', 0x0, 0x0, 'cfb(blowfish-generic)\x00'}, 0xfffffffffffffe66) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000ff8000)="0a0775b0", 0x4) r2 = accept$alg(r1, 0x0, 0x0) sendmmsg$alg(r2, &(0x7f0000005940)=[{0x0, 0x0, &(0x7f0000000580)=[{&(0x7f00000003c0)="48107936edbbc8470fd3bd7d3faf24211f88c05f85353b1bcef5de3280f2687c2620032770501ef8a908213c16f3b17383193cefab9cd87a0e4958fa534911c18d419a82e9ac2576bdf6e4aa2b73a8ae9dda065a07a0df23aa43a96ad5c02f8c10c3516fff9e65261d4d15fc36fc66a908f8bc", 0x73}], 0x1, &(0x7f0000000380)}], 0x1, 0x0) recvmsg(r2, &(0x7f0000000240)={&(0x7f0000000080)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @dev}, 0x80, &(0x7f00000001c0)=[{&(0x7f0000000140)=""/107, 0x6b}], 0x1, &(0x7f0000000200)=""/6, 0x6}, 0x0) recvmsg(r2, &(0x7f0000001440)={&(0x7f0000000280)=@sco, 0x11c, &(0x7f00000013c0)=[{&(0x7f00000014c0)=""/4096, 0x7ffff000}], 0x1, &(0x7f0000001400)=""/6, 0x6}, 0x0) 16:59:14 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000)=ANY=[], 0x0) accept$inet(r3, &(0x7f0000000040)={0x0, 0x0, @remote}, &(0x7f0000000080)=0x10) tkill(r0, 0x1000000000016) [ 740.236453] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:14 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x0, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:14 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0xffc99a3b00000000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:14 executing program 2: r0 = socket$inet_sctp(0x2, 0x1, 0x84) sendto$inet(r0, &(0x7f0000a34fff)='H', 0x1, 0x0, &(0x7f0000030ff0)={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x10) shutdown(r0, 0x400000000000004) sendto$inet(r0, &(0x7f00000000c0)="c9", 0x1, 0x0, &(0x7f0000000140)={0x2, 0x0, @loopback=0x7f000001}, 0x10) mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x1, 0x11010, r0, 0x0) r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000200)='/dev/rfkill\x00', 0x20000, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000040)={0x0, 0x2824}, &(0x7f0000000080)=0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f0000000100)={r2, 0x1, 0x10}, 0xc) 16:59:14 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x4e22000000000000}, 0x0) 16:59:14 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa00beddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:14 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0xb, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:14 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x300000000000000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 740.403492] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:14 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x0, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:15 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0x0, 0x1000000000000000}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:15 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x1000000}, 0x0) 16:59:15 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x2000000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:15 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x33, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:15 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:15 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa00aeddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:15 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1) 16:59:15 executing program 2: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000180)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$VHOST_SET_FEATURES(r0, 0x4008af00, &(0x7f0000000380)=0x200000000) ioctl$int_in(r0, 0x40000000af01, &(0x7f0000000300)) r1 = openat$audio(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/audio\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r0, 0x11}, {r1}], 0x2, 0x400) setsockopt$bt_BT_DEFER_SETUP(r1, 0x112, 0x7, &(0x7f0000000080)=0xc81, 0x4) ioctl$KVM_GET_SUPPORTED_CPUID(r1, 0xc008ae05, &(0x7f00000003c0)=""/255) close(r1) syz_open_dev$tun(&(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) setsockopt$inet6_MCAST_MSFILTER(r1, 0x29, 0x30, &(0x7f00000004c0)={0x6, {{0xa, 0x4e24, 0x10001, @loopback={0x0, 0x1}, 0x5}}, 0x1, 0x2, [{{0xa, 0x4e24, 0x80000001, @ipv4={[], [0xff, 0xff], @multicast1=0xe0000001}, 0x81}}, {{0xa, 0x4e24, 0x400, @empty, 0x744}}]}, 0x190) readv(r0, &(0x7f0000000040)=[{&(0x7f00000001c0)=""/172, 0xac}], 0x1) ioctl$VHOST_SET_MEM_TABLE(r0, 0x4008af03, &(0x7f00000007c0)=ANY=[]) ioctl$VHOST_NET_SET_BACKEND(r0, 0x4008af30, &(0x7f0000f1dff8)={0x0, r1}) 16:59:15 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0xa00100, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 741.405389] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:15 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:15 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x4e220000}, 0x0) 16:59:15 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0xa, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:15 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x300, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:16 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(0xffffffffffffffff, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) [ 741.564231] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:16 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa017eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:16 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x3000000}, 0x0) [ 741.718457] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:16 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0x0, 0xffff000000000000}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:16 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x3b9ac9ff, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:16 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x0, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:16 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x36, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:16 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa00feddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:16 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x1f00}, 0x0) 16:59:16 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x2200, 0x0) ioctl$EVIOCGABS0(r1, 0x80184540, &(0x7f0000000180)=""/131) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r2}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r2, 0x40045431, &(0x7f0000000000)) r3 = syz_open_pts(r2, 0x2) r4 = dup3(r3, r2, 0x0) write(r2, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r2, 0x540a, 0x2) write$cgroup_pid(r4, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) 16:59:16 executing program 2: r0 = socket$kcm(0x29, 0x5, 0x0) ioctl(r0, 0x8912, &(0x7f0000000240)="0047fc2f07d82c99240970") set_robust_list(&(0x7f0000000080)={0x0, 0xbf4, &(0x7f0000000000)}, 0x18) r1 = syz_open_dev$tun(&(0x7f0000000100)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'bpq0\x00', 0x103}) r2 = openat$full(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/full\x00', 0x802, 0x0) ioctl$KVM_SET_BOOT_CPU_ID(r2, 0xae78, &(0x7f0000000140)=0x2) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000000180)={0xffffffff}, 0x13f, 0x100f}}, 0x20) write$RDMA_USER_CM_CMD_LISTEN(r0, &(0x7f0000000200)={0x7, 0x8, 0xfa00, {r3, 0x4}}, 0x10) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2) ioctl$TUNGETIFF(r1, 0x800454df, &(0x7f0000000280)) 16:59:17 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x40000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 742.548122] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:17 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x0, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:17 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) setsockopt$IP_VS_SO_SET_STARTDAEMON(r0, 0x0, 0x48b, &(0x7f0000000180)={0x1, 'syz_tun\x00'}, 0x18) perf_event_open(&(0x7f000001d000)={0x200000002, 0x70, 0x6, 0x108000001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socketpair$inet6_udplite(0xa, 0x2, 0x88, &(0x7f0000000000)) 16:59:17 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x2}, 0x0) 16:59:17 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1400, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:17 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x3000000, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:17 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa008eddb8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:17 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x0, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) [ 742.757210] IPVS: sync thread started: state = MASTER, mcast_ifn = syz_tun, syncid = 0, id = 0 [ 742.775838] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:18 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0x0, 0x4000000000000000}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:18 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:18 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x224e}, 0x0) 16:59:18 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x400300, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:18 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x26, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:18 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r1 = socket(0x40000000015, 0x5, 0x0) shutdown(r0, 0x1) bind$inet(r1, &(0x7f0000000840)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) sendto$inet(r1, &(0x7f0000000000)="ba", 0x1, 0x0, &(0x7f00000004c0)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) recvfrom$unix(r1, &(0x7f00000006c0)=""/242, 0xf2, 0x0, &(0x7f0000000040)=@file={0x0, './file0\x00'}, 0x708000) 16:59:18 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000e8db8f05000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:18 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = syz_open_procfs(r0, &(0x7f0000000080)='oom_adj\x00') ioctl$TIOCMSET(r1, 0x5418, &(0x7f00000000c0)=0x6) ioctl$EVIOCGKEYCODE_V2(r3, 0x80284504, &(0x7f0000000180)=""/138) r4 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r4, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4040aea0, &(0x7f0000000040)={0x7, 0x5, 0x400, 0x0, 0x5, 0x9, 0x5, 0x3f, 0x10001, 0x162f87f3, 0xffffffffffffff77, 0x100, 0x0, 0x100000001, 0x2, 0x5, 0x0, 0x4, 0x252}) [ 743.675615] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:18 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x4, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:18 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:18 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x6b3b}, 0x0) 16:59:18 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x200000000000000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:18 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x42, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:18 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f06000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:18 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x0, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:18 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="2957e1311f16f477671070") r1 = socket(0x200000010, 0x8080e, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000180)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f00000002c0)={&(0x7f0000000640)=ANY=[@ANYBLOB="480000002100000228bd7000fcdbdf2502142008140000000b0000000800000008000200ac1414bb08000b565b8a0000080017008900000008000b000200000008000b0000000000298c323efb69531aa528fa64c0287c495506e84bb04d151130e697647e5a2d503f3f84ea3f10b60a1c9b9b09000000005badb34d976974bcaa72fb4b"], 0x48}, 0x1}, 0x0) sendmmsg$alg(r1, &(0x7f0000000140)=[{0x0, 0x0, &(0x7f00000000c0)=[{&(0x7f00000001c0)="e6738e4afbdc63ffd36baffa003a199b03f1ef00f3b076c48efcab2da2e192e007049a833866dc557e816965cee12fb191bf14b81483335b065102f5d2b66da3b6fc33af736b1ae0705a9b9a3eafb238b17e8a9ccb5e12cc827f0e0d88dcfbfeb38984d082face27f9fa8fa2b341a4ab0acdcb1f8ec814630db73ae967266b9ef7851a3037ead86053d790c3a7daa321baf72d8682149712f04a7f4642bd80a536b46343285a0cf3ad6cf0bd", 0xac}, {&(0x7f0000000300)="a8bda940b666950fa52d05fc7b3e7ecef40bad359c75798ecdbdbad0659a0b34945325332e34bc9504f792b5014a25dd8c116436f1d5e33db0c2457e56ef7be28852614ecd777727576293a003874039238f9184ecae69577a8b0cc7a4baf7c71c047183ee824e6f42c9d960d97fbd139810fc87f78539ce93d579f62e2f5b71eef0077cf0c92fca57109553133678be169eac90b584fb48c33011b4a6a805bf204742ec2f6fea516ae6c87615ee72973b097a5327f4b236d5c37c4ea7577d5649ae76e7a20295710804f8f038061bffbb56fd77d114312353db4d4a6dcd7d9b5ab9d76d2830ee1dbd8069c1", 0xec}, {&(0x7f0000000000)="9b5fb8", 0x3}], 0x3, &(0x7f0000000100)}], 0x1, 0x0) getsockopt$inet_sctp6_SCTP_PRIMARY_ADDR(r1, 0x84, 0x6, &(0x7f0000000400)={0x0, @in6={{0xa, 0x4e22, 0x7, @empty, 0x4}}}, &(0x7f0000000280)=0x84) r3 = syz_open_dev$sndpcmp(&(0x7f0000000080)='/dev/snd/pcmC#D#p\x00', 0x3, 0x8040) ioctl$SNDRV_SEQ_IOCTL_CREATE_QUEUE(r3, 0xc08c5332, &(0x7f0000000580)={0x100000000, 0x3, 0xe72d, 'queue1\x00', 0x20000000000000}) setsockopt$inet_sctp_SCTP_AUTH_ACTIVE_KEY(r1, 0x84, 0x18, &(0x7f00000004c0)={r2, 0x8a}, 0x8) [ 743.903493] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:19 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0x0, 0x10000000}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:19 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x1000000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:19 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000040)="295ee1311f16f477671070") r1 = socket(0x10, 0x80002, 0x0) bind$netlink(r1, &(0x7f0000177ff4)={0x10, 0x0, 0x1}, 0xc) write(r1, &(0x7f0000df8fd9)="2600000022004701050000000000000005006d20002b1f00c05d080a4a51f10101c7033400b0", 0x26) connect$netlink(r1, &(0x7f0000e8f000)=@proc={0x10, 0x0, 0x1}, 0xc) setsockopt$sock_int(r1, 0x1, 0x8, &(0x7f0000b4bffc), 0x4) sendto(r1, &(0x7f0000000000), 0x0, 0x0, 0x0, 0x0) r2 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12, 0x0, @thr={&(0x7f0000000040), &(0x7f0000000140)}}, &(0x7f0000044000)) timer_settime(0x0, 0x0, &(0x7f0000000080)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) tkill(r2, 0x1000000000016) recvmsg(r1, &(0x7f00005b5000)={&(0x7f0000000000)=ANY=[], 0x0, &(0x7f000094f000), 0x0, &(0x7f00000000c0)=""/145, 0x91}, 0x0) 16:59:19 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1d, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:19 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:19 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x5d09000000000000}, 0x0) 16:59:19 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f03000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:19 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000140), 0x0, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) 16:59:19 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) [ 744.873513] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:19 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x2}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:19 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xc00e000000000000}, 0x0) 16:59:19 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x17, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:19 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f21000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:19 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:19 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x3}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 745.043179] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:19 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0xffc99a3b00000000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:20 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x34, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:20 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:20 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x3b6b000000000000}, 0x0) 16:59:20 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0x0, 0xffff0000}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:20 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x100000000000000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:20 executing program 2: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000e79000)=[{&(0x7f00003fb000)="f7", 0x1}], 0x1, 0x0) mbind(&(0x7f00003b5000/0x800000)=nil, 0x800000, 0x0, &(0x7f0000000040), 0x1, 0x3) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r0, 0x84, 0x1d, &(0x7f0000000100)=ANY=[@ANYBLOB='\x00\x00\x00', @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0, @ANYRES32=0x0], &(0x7f00000000c0)=0x20) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffff9c, &(0x7f0000000140)={0x0, 0x18, 0xfa00, {0x3, &(0x7f0000000080)={0xffffffff}, 0x106, 0x100f}}, 0x20) write$RDMA_USER_CM_CMD_DISCONNECT(r0, &(0x7f0000000200)={0xa, 0x4, 0xfa00, {r1}}, 0xc) 16:59:20 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f12000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:20 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer\x00', 0x1a3c80, 0x0) ioctl$SIOCGIFMTU(r3, 0x8921, &(0x7f0000000080)) r4 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r4, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) 16:59:20 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x40030000000000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 746.043270] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:20 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:20 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x4, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:20 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0xa00100}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:20 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xc3f2ffff}, 0x0) 16:59:20 executing program 2: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/nat_icmp_send\x00', 0x2, 0x0) ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TEMPO(r0, 0x402c5342, &(0x7f0000000140)={0x6, 0x5048035a, 0x3, {0x0, 0x1c9c380}, 0x1, 0x5}) r1 = socket$can_bcm(0x1d, 0x2, 0x2) connect$can_bcm(r1, &(0x7f0000001ff0)={0x1d}, 0x10) io_setup(0x1ff, &(0x7f0000000040)=0x0) io_submit(r2, 0x1, &(0x7f0000000240)=[&(0x7f0000000100)={0x0, 0x0, 0x0, 0x1, 0x0, r1, &(0x7f0000000080)="040000008cf46cfde19a4e3bcfbdbedee32e68b3a251fd2cfd09684d9c7afae320bbf22a2ce3cb58fa63c42a238cb85f1023fa813c9a0e46", 0x38}]) 16:59:20 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x4000000000000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:20 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f11000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 746.279612] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:20 executing program 2: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000480)="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", 0x200002, 0x0) r1 = syz_open_dev$vcsn(&(0x7f0000000000)='/dev/vcs#\x00', 0x7ff, 0x4000) r2 = syz_genetlink_get_family_id$ipvs(&(0x7f00000000c0)='IPVS\x00') sendmsg$IPVS_CMD_SET_INFO(r1, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x1c, r2, 0x100, 0x70bd2b, 0x25dfdbfe, {0xe}, [@IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x7ff}]}, 0x1c}, 0x1, 0x0, 0x0, 0x4000000}, 0x48045) r3 = openat$cgroup_int(r0, &(0x7f0000000100)='cpuset.cpus\x00', 0x2, 0x0) sendfile(r3, r3, &(0x7f0000000040), 0x1) ioctl$BINDER_SET_CONTEXT_MGR(r1, 0x40046207, 0x0) 16:59:20 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(0xffffffffffffffff, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:20 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x2c, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:21 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0x0, 0x40000000}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:21 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0xa0010000000000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:21 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x2000000}, 0x0) 16:59:21 executing program 2: r0 = syz_open_dev$sndctrl(&(0x7f0000000080)='/dev/snd/controlC#\x00', 0x202, 0xfffffffffffffffc) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = syz_open_dev$audion(&(0x7f0000000040)='/dev/audio#\x00', 0x7f, 0x101000) setsockopt$inet6_MCAST_LEAVE_GROUP(r1, 0x29, 0x2d, &(0x7f0000000280)={0x2, {{0xa, 0x4e20, 0x7, @mcast1={0xff, 0x1, [], 0x1}}}}, 0x88) ioctl$SNDRV_CTL_IOCTL_ELEM_INFO(r0, 0xc4c85512, &(0x7f00000000c0)={{0x2, 0x0, 0x0, 0x0, "1a0ab9b1f94c716787e88fae5552770ad6a9b54e0679918e0a88af8aacaea63fd56d1dd99812e16bc06df8b8"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, "0b690d49b85ec254b15b023d1e67900f8f55709195aa7d999552981434f68e364a3238b17109db386e35830a143c5755ae184895c461436bad45232f258c32a1"}) 16:59:21 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8ffc010f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:21 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(0xffffffffffffffff, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:21 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0xfffffdef, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:21 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0xfffffe2a) tkill(r0, 0x1000000000016) 16:59:21 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x400300}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 747.209147] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:21 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x8, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:21 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(0xffffffffffffffff, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:21 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x95d}, 0x0) 16:59:21 executing program 2: pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) clock_gettime(0x0, &(0x7f0000000040)={0x0, 0x0}) ioctl$KVM_X86_SETUP_MCE(r1, 0x4008ae9c, &(0x7f0000000100)={0x1f, 0x4, 0xffffffffffffffff}) futimesat(r1, &(0x7f0000000000)='./file0\x00', &(0x7f0000000080)={{}, {r2, r3/1000+30000}}) close(r1) poll(&(0x7f00000002c0)=[{r0}], 0x1, 0x0) 16:59:21 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x3000000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:21 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(0xffffffffffffffff, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) [ 747.404498] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:21 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f13000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:22 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {0x0, 0x4000}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:22 executing program 2: r0 = socket$inet6_udp(0xa, 0x2, 0x0) connect$l2tp(0xffffffffffffffff, &(0x7f0000e71000)=@pppol2tpin6={0x18, 0x1, {0x0, r0, 0x3, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @remote={0xfe, 0x80}}}}, 0x32) sendto(0xffffffffffffffff, &(0x7f0000000100), 0x0, 0x0, &(0x7f00000001c0)=@nfc={0x27}, 0x80) 16:59:22 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x3b9ac9ff}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x6bb8}, 0x0) 16:59:22 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x502, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:22 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x0) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:22 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8ffe010f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:22 executing program 5: r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000200)='/dev/full\x00', 0x2, 0x0) ioctl$KVM_X86_GET_MCE_CAP_SUPPORTED(r0, 0x8008ae9d, &(0x7f0000000240)=""/228) r1 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r2}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r2, 0x40045431, &(0x7f0000000000)) r3 = syz_open_pts(r2, 0x2) r4 = dup3(r3, r2, 0x0) write(r2, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r2, 0x540a, 0x2) write$cgroup_pid(r4, &(0x7f0000000000), 0x0) tkill(r1, 0x1000000000016) r5 = syz_genetlink_get_family_id$fou(&(0x7f0000000080)='fou\x00') sendmsg$FOU_CMD_DEL(r4, &(0x7f00000001c0)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x24, r5, 0x721, 0x70bd26, 0x25dfdbfb, {0x2}, [@FOU_ATTR_TYPE={0x8, 0x4, 0x2}, @FOU_ATTR_TYPE={0x8, 0x4, 0x1}]}, 0x24}, 0x1, 0x0, 0x0, 0x4000881}, 0x4000000) 16:59:22 executing program 2: r0 = accept(0xffffffffffffff9c, &(0x7f0000000080)=@pptp={0x0, 0x0, {0x0, @multicast2}}, &(0x7f0000000140)=0x80) setsockopt$inet_sctp_SCTP_RECVNXTINFO(r0, 0x84, 0x21, &(0x7f0000000180)=0x9, 0x4) socketpair$inet_sctp(0x2, 0x5, 0x84, &(0x7f00000001c0)) r1 = socket$inet(0x10, 0xe, 0x2) r2 = socket$inet6(0xa, 0x1, 0x0) ioctl(r2, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") sendmsg(r1, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000009ff0)=[{&(0x7f0000000000)="240000005a0007241dfffd946fa2830020200a0009000000001d85680c1ba3a20400ff7e280000001100ffffba16a0aa1c0009b3ebea8653b1cc7e63975c0ac47b6268e3966cf055d90f15a3", 0x4c}], 0x1}, 0x0) [ 748.358716] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:22 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x0) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:22 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x1a000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:22 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000040)="0047fc2f07d82c99240970") unshare(0x400) r1 = syz_open_dev$ndb(&(0x7f00000000c0)='/dev/nbd#\x00', 0x0, 0x0) ioctl$IOC_PR_RESERVE(r1, 0x401070ca, &(0x7f0000000100)) 16:59:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x40010000}, 0x0) 16:59:22 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x34000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:22 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x0) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:22 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1a, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 748.581237] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:23 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0x40000000}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:23 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f10000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:23 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_SIGNAL_MASK(0xffffffffffffffff, 0x4004ae8b, &(0x7f0000001000)=ANY=[@ANYBLOB="044ef5"]) r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/mixer\x00', 0x402, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x2) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000100)=[@text64={0x40, &(0x7f0000000500)="0f0866b8ed008ec066ba4000b000eed2a807000000410f01cab98e0b0000b862000000ba000000000f30b90b0800000f320fc72a8f2a60128f00000000003000000fc7aa00100000", 0x48}], 0x1, 0x0, &(0x7f0000000000), 0x1000000000000040) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000001000/0x2000)=nil}) ioctl$KVM_RUN(r3, 0xae80, 0x0) 16:59:23 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0xc00e0000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:23 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xf000}, 0x0) 16:59:23 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(0xffffffffffffffff, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:23 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x19, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:23 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) ioctl$KVM_GET_ONE_REG(r3, 0x4010aeab, &(0x7f0000000040)={0x2, 0x3}) tkill(r0, 0x1000000000016) 16:59:24 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x40000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:24 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, 0xffffffffffffffff, &(0x7f0000000180), 0xa00004000000002) [ 749.561728] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:24 executing program 2: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) remap_file_pages(&(0x7f0000ff5000/0x4000)=nil, 0x4000, 0x0, 0x2, 0x8000) ioctl(r0, 0x8912, &(0x7f0000000200)="0247e22f05d02c99240970") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180)='/dev/kvm\x00', 0x0, 0x0) r2 = openat(0xffffffffffffffff, &(0x7f0000000040)='./file0\x00', 0x40000, 0x41) r3 = dup3(r0, r0, 0x80000) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000fe5000/0x18000)=nil, &(0x7f0000000100)=[@textreal={0x8, &(0x7f0000000080)="f32ed9f80f01bf0038660fe74a6d660f380345a6ba210066ed263664f2e17466b9800000c00f326635000400000f3066b9140a000066b80000010066ba000000000f30660f08653e0f01ca", 0x4b}], 0x1, 0x12, &(0x7f0000000140), 0x0) r4 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x0) ioctl$KVM_ENABLE_CAP_CPU(r5, 0xc008ae88, &(0x7f00000001c0)={0x7b, 0x0, [0xc0000101]}) 16:59:24 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0xffc99a3b}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:24 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f0a000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:24 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x21, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:24 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xf0}, 0x0) 16:59:24 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0x0) [ 749.813088] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:25 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0x4000}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:25 executing program 2: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000240)='/dev/ppp\x00', 0x400800, 0x0) getsockopt$inet6_opts(r0, 0x29, 0x36, &(0x7f0000000300)=""/219, &(0x7f0000000280)=0xdb) r1 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000100)='/dev/uinput\x00', 0xe180, 0x0) sendmsg$can_raw(r1, &(0x7f0000000200)={&(0x7f0000000140)={0x1d}, 0x10, &(0x7f00000001c0)={&(0x7f0000000180)=@can={{0x4, 0xcb8, 0x100, 0x7ff}, 0x2, 0x3, 0x0, 0x0, "6174fe8d998c7699"}, 0x10}, 0x1}, 0x40) r2 = socket$inet6(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f000044f000)={0xa, 0x4e20}, 0x1c) ioctl$ifreq_SIOCGIFINDEX_vcan(r1, 0x8933, &(0x7f0000000400)={'vcan0\x00', 0x0}) ioctl$sock_inet6_SIOCADDRT(r1, 0x890b, &(0x7f0000000440)={@ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}, @ipv4={[], [0xff, 0xff]}, 0x6, 0x7, 0x2, 0x500, 0x7, 0x100000, r3}) listen(r2, 0x1520) syz_emit_ethernet(0x4a, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaaffffffffffff86dd60d8652b00140600fe8000000000000000000000000000aafe8000000000000000000000000000aa00004e20", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB="d2e890fc735e0eb7eff4da994495638db418f110ea493b6a37e62d3649a717674914d2dc59ed80bdf5ef748d3a4c199a11f7a3405e86c82211e3f50d1ae2fc0b2b848c6a22be1329be70c6c0bbf8808acb54945792a8f64952c1a65984ad50bc68d8daec3e4fae98fde785443880af9c483797a5b8aa546e6ae16b37442fdef6a6f3456b9c9f8f84198fbe44ecae3c0701e12dcd634e31b4c9a7dbd12256c4a1b3bc72ed2fe30c683136ce50c71a0000000000000000000000000000"], &(0x7f00000002c0)) 16:59:25 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x2000000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:25 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0x0) 16:59:25 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x3b6b}, 0x0) 16:59:25 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x3d, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:25 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f04000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:25 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = getuid() setuid(r1) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r2}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r2, 0x40045431, &(0x7f0000000000)) r3 = syz_open_pts(r2, 0x2) r4 = dup3(r3, r2, 0x0) write(r2, &(0x7f0000c34fff), 0xffffff0b) clock_gettime(0x0, &(0x7f0000000200)) timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x1c9c380}}, &(0x7f0000000300)) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r4, 0x84, 0x13, &(0x7f0000000240)={0x0}, &(0x7f00000002c0)=0x8) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r4, 0x84, 0x10, &(0x7f0000000340)=@assoc_value={r5, 0x80000000}, 0x8) ioctl$TCXONC(r2, 0x540a, 0x2) getsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX3(r4, 0x84, 0x6f, &(0x7f0000000080)={0x0, 0x2c, &(0x7f0000000040)=[@in6={0xa, 0x4e24, 0xfff, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}, 0x2}, @in={0x2, 0x4e20, @multicast1=0xe0000001}]}, &(0x7f00000000c0)=0x10) getsockopt$inet_sctp_SCTP_DELAYED_SACK(r4, 0x84, 0x10, &(0x7f0000000180)=@assoc_value={r6, 0x3f}, &(0x7f00000001c0)=0x8) tkill(r0, 0x2c) write$cgroup_pid(r4, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) 16:59:25 executing program 2: r0 = syz_open_dev$sndpcmp(&(0x7f0000000000)='/dev/snd/pcmC#D#p\x00', 0x0, 0x0) socket$inet6(0xa, 0x2, 0x0) ioctl(r0, 0x4000008912, &(0x7f00000000c0)="2901000100000000001070") setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r0, 0x84, 0x64, &(0x7f0000000080)=[@in6={0xa, 0x4e21, 0x7, @dev={0xfe, 0x80, [], 0x17}, 0xd921}], 0x1c) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getsockopt$inet_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000001c0), &(0x7f0000000200)=0x14) ioctl$int_out(r0, 0x4144, &(0x7f0000000040)) r1 = open(&(0x7f0000000100)='/\x00', 0x4000, 0x0) ioctl$sock_inet_SIOCGIFNETMASK(r1, 0x891b, &(0x7f0000000240)={'veth1_to_bond\x00', {0x2, 0x4e24, @multicast1=0xe0000001}}) [ 750.703259] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:25 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x300}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:25 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0x0) 16:59:25 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x200000000000000}, 0x0) 16:59:25 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0xec0}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:25 executing program 2: rt_sigtimedwait(&(0x7f0000000000)={0x1f}, 0x0, &(0x7f0000000040)={0x0, 0x1c9c380}, 0x8) clock_settime(0x200000000a, &(0x7f0000000100)) 16:59:25 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0xffffff80, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:25 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f0d000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 750.954396] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:26 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0x10}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:26 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0xc00e000000000000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:26 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) r1 = memfd_create(&(0x7f0000000080)='/dev/vhost-net\x00', 0x2) getsockopt$IP_VS_SO_GET_VERSION(r1, 0x0, 0x480, &(0x7f00000000c0), &(0x7f0000000240)=0x40) setsockopt$ALG_SET_KEY(r1, 0x117, 0x1, &(0x7f0000000140)="4fe0ad626c4a7b14d9172182616569e0503e3272213f7083354725d417786a33a3a545ce34f0c0366aff5d08c780546e5e0c347f50c1da6449d97147a602f15b7fee2be90f81681d9265eff06e71f13faa66242cd27b8eca33ea2c5b9de172913b7fbabb7f25bd51fd2cebf9b2c817e9eec566686553eb1f72193ca83f8e95027d99396dfe8ba8ffe7e767006dd3e36db9ba10045c8dc6676e54a402647130298297954652cdfe30c58a7f0a600a20036002f5bb3bbdec09d86ef6df1ae23699d0ebef790b1b5a7f", 0xc8) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0xfffffffffffffffe, 0x31, 0xffffffffffffffff, 0x0) r2 = socket$inet6(0xa, 0x1, 0x0) ioctl(r2, 0x4000008912, &(0x7f0000000000)="295ee1311f16f477671070") mmap(&(0x7f00005a1000/0x200000)=nil, 0x200000, 0x1fffffe, 0x8031, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x0, 0x4c831, 0xffffffffffffffff, 0x0) r3 = openat$vnet(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$KVM_KVMCLOCK_CTRL(r1, 0xaead) write$evdev(r1, &(0x7f0000000300)=[{{}, 0x101, 0x3f, 0x8}], 0x18) ioctl$VHOST_SET_FEATURES(r3, 0x4008af00, &(0x7f0000000000)=0x200000001) write$vnet(r3, &(0x7f00000018c0)={0x1, {&(0x7f0000001640)=""/211, 0xd3, &(0x7f0000001800)=""/130, 0x0, 0x2}}, 0x68) write$vnet(r3, &(0x7f0000000340)={0x1, {&(0x7f0000000000), 0x0, &(0x7f0000000540)=""/139, 0x0, 0x2}}, 0x68) write$vnet(r3, &(0x7f00000004c0)={0x1, {&(0x7f00000003c0)=""/247, 0xb870ca92, &(0x7f0000000280)=""/118, 0x3, 0x2}}, 0x39f) 16:59:26 executing program 7 (fault-call:8 fault-nth:0): r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:26 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x100000000000000}, 0x0) 16:59:26 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x3, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:26 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r1}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_pts(r1, 0x2) r3 = dup3(r2, r1, 0x0) getsockopt$inet_mreqn(r3, 0x0, 0x24, &(0x7f0000000180)={@empty, @dev, 0x0}, &(0x7f00000001c0)=0xc) sendto$packet(r3, &(0x7f00000000c0)="db5f4a804c497d0e53b35e261d8be6c2682997083758cd4cde1cc2891d24094b548dbb3bf65acad0ba35815ceba940567703a0a60c6308dc681645b636b1ce", 0x3f, 0x80, &(0x7f0000000200)={0x11, 0xf6, r4, 0x1, 0x8, 0x6, @random="2337776ff15d"}, 0x14) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) write$cgroup_pid(r3, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) sched_rr_get_interval(r0, &(0x7f0000000080)) setsockopt$inet_mreqsrc(r3, 0x0, 0x25, &(0x7f0000000040)={@multicast2=0xe0000002, @rand_addr=0x5, @multicast2=0xe0000002}, 0xc) 16:59:26 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f07000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 751.891997] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 751.908937] FAULT_INJECTION: forcing a failure. [ 751.908937] name failslab, interval 1, probability 0, space 0, times 0 [ 751.920434] CPU: 0 PID: 16896 Comm: syz-executor7 Not tainted 4.18.0-rc3+ #127 [ 751.927986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 751.937548] Call Trace: 16:59:26 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x300000000000000}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 751.940169] dump_stack+0x1c9/0x2b4 [ 751.943830] ? dump_stack_print_info.cold.2+0x52/0x52 [ 751.949057] ? trace_hardirqs_on+0x10/0x10 [ 751.953336] ? trace_hardirqs_on+0x10/0x10 [ 751.958396] should_fail.cold.4+0xa/0x1a [ 751.962629] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 751.967797] ? trace_hardirqs_on+0x10/0x10 [ 751.972064] ? find_held_lock+0x36/0x1c0 [ 751.976141] ? check_same_owner+0x340/0x340 [ 751.980479] ? rcu_note_context_switch+0x730/0x730 [ 751.985418] __should_failslab+0x124/0x180 [ 751.989680] should_failslab+0x9/0x14 [ 751.993483] kmem_cache_alloc_trace+0x2cb/0x780 [ 751.998161] ? kasan_check_read+0x11/0x20 [ 752.002317] alloc_pipe_info+0x175/0x5a0 [ 752.006374] ? pipe_read+0x940/0x940 [ 752.010081] ? __fget+0x414/0x670 [ 752.013530] ? expand_files.part.8+0x9c0/0x9c0 [ 752.018233] ? find_held_lock+0x36/0x1c0 [ 752.022301] splice_direct_to_actor+0x6fc/0x8f0 [ 752.026984] ? fsnotify+0xbb4/0x14e0 [ 752.030699] ? pipe_to_sendpage+0x400/0x400 [ 752.035210] ? do_splice_to+0x190/0x190 [ 752.039198] ? rw_verify_area+0x118/0x360 [ 752.043377] do_splice_direct+0x2d4/0x420 [ 752.047530] ? splice_direct_to_actor+0x8f0/0x8f0 [ 752.052395] ? rw_verify_area+0x118/0x360 [ 752.056545] do_sendfile+0x623/0xe20 [ 752.060272] ? do_compat_pwritev64+0x1c0/0x1c0 [ 752.064863] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 752.070413] ? _copy_from_user+0xdf/0x150 [ 752.074561] __x64_sys_sendfile64+0x15d/0x250 [ 752.079053] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 752.083631] ? do_syscall_64+0x9a/0x820 [ 752.087608] do_syscall_64+0x1b9/0x820 [ 752.091515] ? finish_task_switch+0x1d3/0x890 [ 752.096000] ? syscall_return_slowpath+0x5e0/0x5e0 [ 752.101024] ? syscall_return_slowpath+0x31d/0x5e0 [ 752.105953] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 752.111322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 752.116162] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 752.121340] RIP: 0033:0x455ab9 [ 752.124524] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 752.143764] RSP: 002b:00007f3212e69c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 752.151470] RAX: ffffffffffffffda RBX: 00007f3212e6a6d4 RCX: 0000000000455ab9 [ 752.158729] RDX: 0000000020000180 RSI: 0000000000000015 RDI: 0000000000000014 [ 752.165998] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 752.173706] R10: 0a00004000000002 R11: 0000000000000246 R12: 0000000000000016 [ 752.180966] R13: 00000000004c0b3b R14: 00000000004d0978 R15: 0000000000000000 16:59:26 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0xc00e}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:26 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1e, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:26 executing program 7 (fault-call:8 fault-nth:1): r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:26 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x3b6b0000}, 0x0) 16:59:26 executing program 2: r0 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_mreq(r0, 0x29, 0x1b, &(0x7f00000001c0), 0x14) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000040)={'team0\x00', 0x0}) setsockopt$inet6_mreq(r0, 0x29, 0x1c, &(0x7f0000000000)={@empty, r1}, 0x14) r2 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer\x00', 0x2, 0x0) getsockopt$EBT_SO_GET_INIT_INFO(r2, 0x0, 0x82, &(0x7f0000000100)={'filter\x00'}, &(0x7f0000000180)=0x78) ioctl$TUNGETSNDBUF(r2, 0x800454d3, &(0x7f00000000c0)) 16:59:26 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce, 0x4}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 752.346157] FAULT_INJECTION: forcing a failure. [ 752.346157] name failslab, interval 1, probability 0, space 0, times 0 [ 752.357568] CPU: 0 PID: 16917 Comm: syz-executor7 Not tainted 4.18.0-rc3+ #127 [ 752.364950] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 752.374502] Call Trace: [ 752.377122] dump_stack+0x1c9/0x2b4 [ 752.380888] ? dump_stack_print_info.cold.2+0x52/0x52 [ 752.386109] ? __save_stack_trace+0x8d/0xf0 [ 752.390472] should_fail.cold.4+0xa/0x1a [ 752.394570] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 752.399704] ? save_stack+0x43/0xd0 [ 752.403356] ? kasan_kmalloc+0xc4/0xe0 [ 752.407268] ? kmem_cache_alloc_trace+0x152/0x780 [ 752.412131] ? alloc_pipe_info+0x175/0x5a0 [ 752.416394] ? splice_direct_to_actor+0x6fc/0x8f0 [ 752.421261] ? do_sendfile+0x623/0xe20 [ 752.425177] ? __x64_sys_sendfile64+0x15d/0x250 [ 752.429875] ? do_syscall_64+0x1b9/0x820 [ 752.433967] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 752.439367] ? find_held_lock+0x36/0x1c0 [ 752.443470] ? check_same_owner+0x340/0x340 [ 752.447814] ? rcu_is_watching+0x8c/0x150 [ 752.451984] ? rcu_note_context_switch+0x730/0x730 [ 752.456931] __should_failslab+0x124/0x180 [ 752.461188] should_failslab+0x9/0x14 [ 752.464981] __kmalloc+0x2c8/0x760 [ 752.468518] ? kmem_cache_alloc_trace+0x616/0x780 [ 752.473701] ? alloc_pipe_info+0x2a8/0x5a0 [ 752.477938] alloc_pipe_info+0x2a8/0x5a0 [ 752.481996] ? pipe_read+0x940/0x940 [ 752.485710] ? __fget+0x414/0x670 [ 752.489187] ? expand_files.part.8+0x9c0/0x9c0 [ 752.493845] ? find_held_lock+0x36/0x1c0 [ 752.497907] splice_direct_to_actor+0x6fc/0x8f0 [ 752.502568] ? fsnotify+0xbb4/0x14e0 [ 752.506289] ? pipe_to_sendpage+0x400/0x400 [ 752.510622] ? do_splice_to+0x190/0x190 [ 752.514587] ? rw_verify_area+0x118/0x360 [ 752.518908] do_splice_direct+0x2d4/0x420 [ 752.523052] ? splice_direct_to_actor+0x8f0/0x8f0 [ 752.527884] ? rw_verify_area+0x118/0x360 [ 752.532027] do_sendfile+0x623/0xe20 [ 752.535735] ? do_compat_pwritev64+0x1c0/0x1c0 [ 752.540414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 752.545941] ? _copy_from_user+0xdf/0x150 [ 752.550080] __x64_sys_sendfile64+0x15d/0x250 [ 752.554574] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 752.559146] ? do_syscall_64+0x9a/0x820 [ 752.563110] do_syscall_64+0x1b9/0x820 [ 752.566983] ? finish_task_switch+0x1d3/0x890 [ 752.571467] ? syscall_return_slowpath+0x5e0/0x5e0 [ 752.576477] ? syscall_return_slowpath+0x31d/0x5e0 [ 752.581402] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 752.586757] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 752.591631] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 752.596823] RIP: 0033:0x455ab9 [ 752.599997] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 752.619265] RSP: 002b:00007f3212e69c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 752.626967] RAX: ffffffffffffffda RBX: 00007f3212e6a6d4 RCX: 0000000000455ab9 [ 752.634224] RDX: 0000000020000180 RSI: 0000000000000015 RDI: 0000000000000014 16:59:27 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f0e000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 752.641487] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 752.648742] R10: 0a00004000000002 R11: 0000000000000246 R12: 0000000000000016 [ 752.656011] R13: 00000000004c0b3b R14: 00000000004d0978 R15: 0000000000000001 [ 752.688341] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:27 executing program 7 (fault-call:8 fault-nth:2): r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:27 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x38, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:27 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:27 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0x1000000000000000}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:27 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xf0ffff}, 0x0) 16:59:27 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f02000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:27 executing program 2: r0 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000080)={0x0, 0x5, 0x2}, &(0x7f00000000c0)=0x10) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r0, 0x84, 0x75, &(0x7f0000000100)={r1, 0x1}, 0x8) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x0) syz_open_dev$sndseq(&(0x7f0000000140)='/dev/snd/seq\x00', 0x0, 0x100) timer_create(0x0, &(0x7f0000ec5000)={0x0, 0x12}, &(0x7f0000000000)) 16:59:27 executing program 5: r0 = gettid() r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hwrng\x00', 0x282180, 0x0) ioctl$EVIOCGSW(r1, 0x8040451b, &(0x7f0000000180)=""/4096) timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100)=[{r2}], 0x1, 0xfffffffffffffffa) ioctl$TCSETS(r2, 0x40045431, &(0x7f0000000000)) r3 = syz_open_pts(r2, 0x2) r4 = dup3(r3, r2, 0x0) write(r2, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r2, 0x540a, 0x2) write$cgroup_pid(r4, &(0x7f0000000000), 0x0) tkill(r0, 0x1000000000016) [ 753.088715] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 753.090159] FAULT_INJECTION: forcing a failure. [ 753.090159] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 753.111383] CPU: 1 PID: 16960 Comm: syz-executor7 Not tainted 4.18.0-rc3+ #127 [ 753.118861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 753.128490] Call Trace: [ 753.131102] dump_stack+0x1c9/0x2b4 16:59:27 executing program 2: r0 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0x400000, 0x0) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000640)={0x1, {{0xa, 0x4e24, 0x9, @mcast2={0xff, 0x2, [], 0x1}, 0x8}}}, 0x88) io_setup(0x12, &(0x7f0000000700)=0x0) io_submit(r1, 0x6, &(0x7f0000000e00)=[&(0x7f0000000840)={0x0, 0x0, 0x0, 0x7, 0x4, r0, &(0x7f0000000740)="ceef31054732d196d453c49b24b6d864c3af4ec8190a63ee7ef50523708f5c0d6e24116a02074aff343f3867837a8524a1756a96cd32cccb45ab8a4ada42499bd0a5426ae40ab91a112b109a5dddeba09255b9a7d1869079cdadf2171d0522bfa74321071025d7f19c9f026ed7c926f639b34e74cea7b6c8cfa0ff4b07418d135aa9d7dffbceca5187f87ff1cdff553dd992ed34c0700eed38fcc415c55598581bac142a5f3b75759398a5134e00334d193afbc0cdc746ef2b3e7ea5f0e587760b4a712ed5a153eb026719687099bb582bced22a23631c7d787bf1fd0ad76418fb273854b29ffe47c629a346c39f", 0xee, 0xced5, 0x0, 0x0, r0}, &(0x7f0000000980)={0x0, 0x0, 0x0, 0x6, 0x7c, r0, &(0x7f0000000880)="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", 0xfb, 0x4, 0x0, 0x1, r0}, &(0x7f0000000ac0)={0x0, 0x0, 0x0, 0x0, 0x9, r0, &(0x7f00000009c0)="a6ef5925992819796f8320747bbdee3029dc0e9b1c06588af42070fd84355c6e2b79a6d5f21c50422ccb037c83609b53c151b64cd2c154076d061a1e0057e52639919df42e093d685a8cb1732891b2bf377b754e4b881f6cdbeb4d3054f66e938b3418dde71ffab53e40e846920e41bcd399f42d739ce3fcc6b88e3e0b730b3f3153613ffb91f9872114b4ebba73a0c5f47ba9e4397a4fc18f60208fce68e926327140bdde7124e14e8a7fd8c66efcca33c6d606cd9e93319dc167b1214c87605b6b10c1e80527", 0xc7, 0xcb8, 0x0, 0x1, r0}, &(0x7f0000000c00)={0x0, 0x0, 0x0, 0x7, 0x3, r0, &(0x7f0000000b00)="18154e15d4dbf4bac3f7c16fa15953f58e848c75167d8490f1b90d91472dfe0b2d96791a7d88b6a591f460802b4be0d5ea586131c03a1a4e1fb49766339dde9ef50506a8e8aec18478662c3f35740ba0fa0fc82d9ffe471b1fce72ae7755fb216697b8fa516e9a7ea297d9d8ef371c72b4264ff4b4ea69852832395fa3fbfc5b4bf1c32b5256c44c5e310f8fd0d5f51743ad8c012061cff29c784eca343564bc6bd7dd4f99e58f98c19d70866e39b6fccd7229bccf14286035eb4f24baf1f2ce0cd40c5116b85f702c6311a109f4e2cc2b289307a61d84b9c076028b912190d89856b55de8a05efb2bcda6dc7350849ac5", 0xf1, 0x9, 0x0, 0x1, r0}, &(0x7f0000000c80)={0x0, 0x0, 0x0, 0x2, 0x7fffffff, r0, &(0x7f0000000c40)="ee4829345f614868794c74fd9f3df17cdfa1a02f145e0489be4aa7b1eba9a310eb3b5e380cb1", 0x26, 0x401, 0x0, 0x0, r0}, &(0x7f0000000dc0)={0x0, 0x0, 0x0, 0xa, 0x7fffffff, r0, &(0x7f0000000cc0)="f8bf68fdd79cb9f24a0c1a56b2467ac743179f0bb4f746bc4150a35d44ed990f48a606f12958c3c855f1dd937a8714ee25b84e53ad264d9b9134ea10ba43f37949a237e3d9586a87c597981d6ea7077829348b13317148d89463d9d4e1b6d65fa2936dca8c1b8af5fd75d17da223f7f24d4ee4afffeb753449e778085734953c21398078b05f855941ede93836b315af6d4c573317369f9fc41cc07b4200807f78054197052dd00aebb7f4597a9ae51c40829297e6f0498e400910b88e0f16cdae8bfd5fa9d8b2b97b0c919dee3d4b94b06e20f0", 0xd4, 0x0, 0x0, 0x0, r0}]) ioctl$VHOST_SET_VRING_BASE(r0, 0x4008af12, &(0x7f0000000480)={0x0, 0x1}) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000500)={0x0, 0x1, 0x800, 0x18e0, 0x81, 0x5e1}, &(0x7f0000000580)=0x14) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r0, 0x84, 0x13, &(0x7f00000005c0)={r2, 0x3ff}, &(0x7f0000000600)=0x8) socketpair$unix(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) recvmmsg(0xffffffffffffffff, &(0x7f0000001e80)=[{{0x0, 0xfffffe9a, &(0x7f0000000400)=[{&(0x7f0000000100)=""/227}, {&(0x7f0000000080)=""/43}, {&(0x7f0000000200)=""/146}, {&(0x7f00000002c0)=""/93}, {&(0x7f0000000340)=""/50}, {&(0x7f0000000380)=""/73}], 0x0, &(0x7f0000000040)=""/45, 0xef}}], 0x1, 0x0, &(0x7f0000001f80)={0x77359400}) getsockopt$sock_cred(r3, 0x1, 0x11, &(0x7f00000004c0), &(0x7f0000000540)=0xc) sendmmsg$unix(r3, &(0x7f0000000340), 0x12c, 0x4000040) setsockopt$inet6_dccp_buf(r0, 0x21, 0xcf, &(0x7f0000000e40)="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", 0x1000) fcntl$F_SET_RW_HINT(r0, 0x40c, &(0x7f0000001e40)=0x3) [ 753.134750] ? dump_stack_print_info.cold.2+0x52/0x52 [ 753.140050] ? __radix_tree_lookup+0x3dd/0x6e0 [ 753.144667] should_fail.cold.4+0xa/0x1a [ 753.148787] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 753.153925] ? find_held_lock+0x36/0x1c0 [ 753.158015] ? find_held_lock+0x36/0x1c0 [ 753.162122] ? check_same_owner+0x340/0x340 [ 753.166471] ? rcu_note_context_switch+0x730/0x730 [ 753.171442] __alloc_pages_nodemask+0x36e/0xdb0 [ 753.176324] ? check_noncircular+0x20/0x20 [ 753.180587] ? __alloc_pages_slowpath+0x2d90/0x2d90 [ 753.185644] ? print_usage_bug+0xc0/0xc0 [ 753.190075] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 753.195095] ? percpu_counter_add_batch+0xf2/0x150 [ 753.200048] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 753.205075] ? __vm_enough_memory+0x590/0x980 [ 753.209592] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 753.215122] alloc_pages_vma+0xdd/0x540 [ 753.219189] shmem_alloc_page+0xa8/0x190 [ 753.223236] ? shmem_swapin+0x230/0x230 [ 753.227223] shmem_alloc_and_acct_page+0x1f1/0x820 [ 753.232159] ? shmem_alloc_hugepage+0x4e0/0x4e0 [ 753.236820] ? trace_hardirqs_on+0x10/0x10 [ 753.241055] shmem_getpage_gfp+0x6ea/0x41e0 [ 753.245376] ? shmem_writepage+0x1380/0x1380 [ 753.249781] ? print_usage_bug+0xc0/0xc0 [ 753.253836] ? print_usage_bug+0xc0/0xc0 [ 753.257991] ? print_usage_bug+0xc0/0xc0 [ 753.262069] ? __lock_acquire+0x7fc/0x5020 [ 753.266295] ? __lock_acquire+0x7fc/0x5020 [ 753.270626] ? trace_hardirqs_on+0x10/0x10 [ 753.274941] ? print_usage_bug+0xc0/0xc0 [ 753.279000] ? __lock_acquire+0x7fc/0x5020 [ 753.283241] ? page_add_new_anon_rmap+0x870/0x870 [ 753.288332] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 753.293081] ? print_usage_bug+0xc0/0xc0 [ 753.297132] ? __lock_acquire+0x7fc/0x5020 [ 753.301357] ? graph_lock+0x170/0x170 [ 753.305148] ? __lock_acquire+0x7fc/0x5020 [ 753.309382] ? find_held_lock+0x36/0x1c0 [ 753.313438] ? lock_downgrade+0x8f0/0x8f0 [ 753.317584] ? kasan_check_read+0x11/0x20 [ 753.321726] ? rcu_is_watching+0x8c/0x150 [ 753.325876] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 753.330267] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 753.334674] ? is_bpf_text_address+0xd7/0x170 [ 753.339178] ? kernel_text_address+0x79/0xf0 [ 753.343577] ? __kernel_text_address+0xd/0x40 [ 753.348073] ? unwind_get_return_address+0x61/0xa0 [ 753.352996] ? __save_stack_trace+0x8d/0xf0 [ 753.357335] shmem_file_read_iter+0x39f/0x1090 [ 753.362008] ? kasan_kmalloc+0xc4/0xe0 [ 753.365893] ? alloc_pipe_info+0x2a8/0x5a0 [ 753.370124] ? shmem_fallocate+0x12e0/0x12e0 [ 753.374525] ? lock_downgrade+0x8f0/0x8f0 [ 753.378932] ? kasan_check_read+0x11/0x20 [ 753.383081] ? rcu_is_watching+0x8c/0x150 [ 753.387218] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 753.391620] ? __lockdep_init_map+0x105/0x590 [ 753.396111] ? lockdep_init_map+0x9/0x10 [ 753.400162] ? debug_mutex_init+0x2d/0x60 [ 753.404310] ? __mutex_init+0x1f7/0x290 [ 753.408272] ? rcu_pm_notify+0xc0/0xc0 [ 753.412165] ? __ia32_sys_membarrier+0x150/0x150 [ 753.416916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 753.422459] ? fsnotify+0xbb4/0x14e0 [ 753.426168] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 753.431173] ? iov_iter_pipe+0xc2/0x2f0 [ 753.435144] generic_file_splice_read+0x5cd/0x9d0 [ 753.439987] ? add_to_pipe+0x360/0x360 [ 753.443878] ? rw_verify_area+0x118/0x360 [ 753.448022] ? add_to_pipe+0x360/0x360 [ 753.451910] do_splice_to+0x12e/0x190 [ 753.455711] splice_direct_to_actor+0x270/0x8f0 [ 753.460375] ? pipe_to_sendpage+0x400/0x400 [ 753.464696] ? do_splice_to+0x190/0x190 [ 753.468671] ? rw_verify_area+0x118/0x360 [ 753.472819] do_splice_direct+0x2d4/0x420 [ 753.476968] ? splice_direct_to_actor+0x8f0/0x8f0 [ 753.482067] ? rw_verify_area+0x118/0x360 [ 753.486219] do_sendfile+0x623/0xe20 [ 753.489926] ? do_compat_pwritev64+0x1c0/0x1c0 [ 753.494505] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 753.500038] ? _copy_from_user+0xdf/0x150 [ 753.504195] __x64_sys_sendfile64+0x15d/0x250 [ 753.508682] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 753.513257] ? do_syscall_64+0x9a/0x820 [ 753.517235] do_syscall_64+0x1b9/0x820 [ 753.521126] ? finish_task_switch+0x1d3/0x890 [ 753.525611] ? syscall_return_slowpath+0x5e0/0x5e0 [ 753.530534] ? syscall_return_slowpath+0x31d/0x5e0 [ 753.535466] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 753.540829] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 753.546101] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 753.551464] RIP: 0033:0x455ab9 [ 753.554651] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 753.573934] RSP: 002b:00007f3212e69c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 753.581813] RAX: ffffffffffffffda RBX: 00007f3212e6a6d4 RCX: 0000000000455ab9 16:59:28 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xad37}, 0x0) 16:59:28 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 753.589087] RDX: 0000000020000180 RSI: 0000000000000015 RDI: 0000000000000014 [ 753.596358] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 753.603883] R10: 0a00004000000002 R11: 0000000000000246 R12: 0000000000000016 [ 753.611153] R13: 00000000004c0b3b R14: 00000000004d0978 R15: 0000000000000002 16:59:28 executing program 2: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f0000000100)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x5}, 0x1c) connect$inet6(r0, &(0x7f0000000280)={0xa, 0x4e24, 0x0, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}}, 0x1c) ioctl$sock_inet_SIOCGIFPFLAGS(r0, 0x8935, &(0x7f0000000000)={'team_slave_0\x00', 0x23}) sendmmsg(r0, &(0x7f0000000d40)=[{{0x0, 0x0, &(0x7f0000000ac0)}}, {{&(0x7f0000000b00)=@un=@abs, 0x80, &(0x7f0000000b80), 0x0, &(0x7f0000000bc0)}}], 0x2, 0x0) 16:59:28 executing program 7 (fault-call:8 fault-nth:3): r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) [ 753.695548] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:28 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:28 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f09000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:28 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet6(0xa, 0x2100000000000002, 0x0) r2 = socket$nl_xfrm(0x10, 0x3, 0x6) r3 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vga_arbiter\x00', 0x14000, 0x0) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDRS(r0, 0x84, 0x6c, &(0x7f0000000140)={0x0, 0xf2, "90ab92c0512b85762752954543e37b79040f549403a6a80010ad5fe219881deb0db388b48e43845c33b612000994d4e6a7ab81bd589692498ff7a7cc90c04bcbdd50f7b01af00d1564e9a948dd98d91b372690e2c44b5d9cc672d91eab7cd1dbbfe0d46009ab43c46abbc00be1a7bc0d3cee1df6ad53fc6885e34b7e1d86879a4766eb6248a133ef1107c4d20b0da60310211d10198bd8f8a2850cfde6e7378ef12c0d598b9e05fc7d36ce978123eddd9ea4aa3c74351cd14f47152d962664b0c6ca08dcdcc8bc74c9b8c69e465cdae9b89ec6266a8664056fb8ebeaa6ea9dc36bd65afa7c95c9d33ad082f1562417c4e1dd"}, &(0x7f00000000c0)=0xfa) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r3, 0x84, 0x7c, &(0x7f0000000240)={r4, 0x0, 0xffff}, &(0x7f0000000280)=0x8) bind$netlink(r2, &(0x7f0000000040)={0x10, 0x0, 0x0, 0x1}, 0xc) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e24, 0x0, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}}, 0x1c) accept(r0, &(0x7f0000000540)=@pppol2tpin6={0x0, 0x0, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0x0, 0x0, 0x0, @ipv4={[], [], @multicast1}}}}, &(0x7f00000005c0)=0x80) setsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f00000002c0)={{{@in6=@remote={0xfe, 0x80, [], 0xbb}, @in6=@loopback={0x0, 0x1}, 0x0, 0x0, 0x0, 0x0, 0x2}, {}, {}, 0x0, 0x0, 0x1}, {{@in6=@mcast2={0xff, 0x2, [], 0x1}, 0x4d5, 0x33}, 0x0, @in6=@loopback={0x0, 0x1}, 0x0, 0x0, 0x0, 0x90}}, 0xe8) lstat(&(0x7f0000000400)='./file0\x00', &(0x7f0000000440)={0x0, 0x0, 0x0, 0x0, 0x0}) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f00000004c0)={0x0, 0x0, 0x0}, &(0x7f0000000500)=0xc) syz_fuse_mount(&(0x7f00000003c0)='./file0\x00', 0x6000, r5, r6, 0x1, 0x4000) sendmsg(r1, &(0x7f0000001700)={0x0, 0x0, &(0x7f00000001c0)}, 0x0) [ 753.823341] FAULT_INJECTION: forcing a failure. [ 753.823341] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 753.835454] CPU: 1 PID: 16989 Comm: syz-executor7 Not tainted 4.18.0-rc3+ #127 [ 753.842926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 753.852294] Call Trace: [ 753.854906] dump_stack+0x1c9/0x2b4 [ 753.858826] ? dump_stack_print_info.cold.2+0x52/0x52 [ 753.864044] ? __radix_tree_lookup+0x3dd/0x6e0 [ 753.868655] ? __lock_acquire+0x7fc/0x5020 16:59:28 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x37ad}, 0x0) 16:59:28 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0xfef4, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 753.872927] should_fail.cold.4+0xa/0x1a [ 753.877037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 753.882179] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 753.887225] ? find_held_lock+0x36/0x1c0 [ 753.891312] ? find_held_lock+0x36/0x1c0 [ 753.895409] ? check_same_owner+0x340/0x340 [ 753.899756] ? rcu_note_context_switch+0x730/0x730 [ 753.904732] __alloc_pages_nodemask+0x36e/0xdb0 [ 753.909467] ? __alloc_pages_slowpath+0x2d90/0x2d90 16:59:28 executing program 2: r0 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000940)={&(0x7f0000000900)="5cd100"}, 0x10) r1 = openat$cgroup_subtree(r0, &(0x7f0000000000)='cgroup.subtree_control\x00', 0x2, 0x0) write$binfmt_elf64(r1, &(0x7f0000000040)={{0x7f, 0x45, 0x4c, 0x46, 0x9, 0xffffffffffff2af0, 0xfffffffffffffff7, 0x5, 0x8, 0x3, 0x3e, 0x8, 0x26f, 0x40, 0x2dd, 0x6, 0x4, 0x38, 0x1, 0x4, 0xfff, 0x8}, [{0x0, 0x8000, 0x5, 0x8, 0x3, 0xfffffffffffffff7, 0x489a, 0x8}], "e707e915c1bc2e7d88fce962117c45bf988cf8df28fb778ad3cfa7a6eb", [[], [], [], [], [], [], [], []]}, 0x895) keyctl$reject(0x13, 0x0, 0x0, 0x204, 0x0) [ 753.911926] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 753.914523] ? trace_hardirqs_on+0x10/0x10 [ 753.914554] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 753.914578] ? percpu_counter_add_batch+0xf2/0x150 [ 753.914598] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 753.944848] ? __vm_enough_memory+0x590/0x980 [ 753.949381] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 753.954942] alloc_pages_vma+0xdd/0x540 [ 753.958936] shmem_alloc_page+0xa8/0x190 [ 753.963009] ? shmem_swapin+0x230/0x230 [ 753.967024] shmem_alloc_and_acct_page+0x1f1/0x820 [ 753.971982] ? shmem_alloc_hugepage+0x4e0/0x4e0 [ 753.976668] ? do_raw_spin_unlock+0xa7/0x2f0 [ 753.981344] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 753.985927] ? _raw_spin_unlock_irq+0x27/0x70 [ 753.990419] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 753.995458] shmem_getpage_gfp+0x6ea/0x41e0 [ 753.999784] ? shmem_writepage+0x1380/0x1380 [ 754.004196] ? print_usage_bug+0xc0/0xc0 [ 754.008261] ? print_usage_bug+0xc0/0xc0 [ 754.012319] ? print_usage_bug+0xc0/0xc0 [ 754.016373] ? __lock_acquire+0x7fc/0x5020 [ 754.020706] ? __lock_acquire+0x7fc/0x5020 [ 754.024930] ? trace_hardirqs_on+0x10/0x10 [ 754.029157] ? print_usage_bug+0xc0/0xc0 [ 754.033221] ? __lock_acquire+0x7fc/0x5020 [ 754.037442] ? page_add_new_anon_rmap+0x870/0x870 [ 754.042280] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 754.047285] ? print_usage_bug+0xc0/0xc0 [ 754.051339] ? print_usage_bug+0xc0/0xc0 [ 754.055384] ? print_usage_bug+0xc0/0xc0 [ 754.059445] ? print_usage_bug+0xc0/0xc0 [ 754.063757] ? __lock_acquire+0x7fc/0x5020 [ 754.067977] ? lock_acquire+0x1e4/0x540 [ 754.071937] ? alloc_set_pte+0x1027/0x1620 [ 754.076185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 754.081934] ? page_mapping+0x44f/0x5e0 [ 754.086329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 754.091858] ? mark_page_accessed+0x672/0xd30 [ 754.096347] ? shmem_parse_options.cold.50+0x49/0x49 [ 754.101440] ? activate_page+0x9a0/0x9a0 [ 754.105493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 754.111034] ? __set_page_dirty_no_writeback+0x14a/0x290 [ 754.116476] ? do_writepages+0x1a0/0x1a0 [ 754.120542] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 754.125563] ? sanity+0x238/0x330 [ 754.129003] ? do_writepages+0x1a0/0x1a0 [ 754.133061] ? kasan_check_write+0x14/0x20 [ 754.137279] ? copy_page_to_iter+0x534/0xf50 [ 754.141781] ? rcu_note_context_switch+0x730/0x730 [ 754.146875] ? check_same_owner+0x340/0x340 [ 754.151194] ? __save_stack_trace+0x8d/0xf0 [ 754.155509] shmem_file_read_iter+0x39f/0x1090 [ 754.160092] ? shmem_fallocate+0x12e0/0x12e0 [ 754.164490] ? lock_downgrade+0x8f0/0x8f0 [ 754.168638] ? kasan_check_read+0x11/0x20 [ 754.172786] ? rcu_is_watching+0x8c/0x150 [ 754.176932] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 754.181871] ? __lockdep_init_map+0x105/0x590 [ 754.186362] ? lockdep_init_map+0x9/0x10 [ 754.190411] ? debug_mutex_init+0x2d/0x60 [ 754.194572] ? __mutex_init+0x1f7/0x290 [ 754.198530] ? rcu_pm_notify+0xc0/0xc0 [ 754.202424] ? __ia32_sys_membarrier+0x150/0x150 [ 754.207169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 754.212706] ? fsnotify+0xbb4/0x14e0 [ 754.216412] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 754.221421] ? iov_iter_pipe+0xc2/0x2f0 [ 754.225389] generic_file_splice_read+0x5cd/0x9d0 [ 754.230234] ? add_to_pipe+0x360/0x360 [ 754.234118] ? rw_verify_area+0x118/0x360 [ 754.238251] ? add_to_pipe+0x360/0x360 [ 754.242123] do_splice_to+0x12e/0x190 [ 754.245910] splice_direct_to_actor+0x270/0x8f0 [ 754.250568] ? pipe_to_sendpage+0x400/0x400 [ 754.254876] ? do_splice_to+0x190/0x190 [ 754.258846] ? rw_verify_area+0x118/0x360 [ 754.262990] do_splice_direct+0x2d4/0x420 [ 754.267129] ? splice_direct_to_actor+0x8f0/0x8f0 [ 754.272070] ? rw_verify_area+0x118/0x360 [ 754.276233] do_sendfile+0x623/0xe20 [ 754.279953] ? do_compat_pwritev64+0x1c0/0x1c0 [ 754.284560] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 754.290263] ? _copy_from_user+0xdf/0x150 [ 754.294407] __x64_sys_sendfile64+0x15d/0x250 [ 754.298907] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 754.303564] ? do_syscall_64+0x9a/0x820 [ 754.307527] do_syscall_64+0x1b9/0x820 [ 754.311418] ? finish_task_switch+0x1d3/0x890 [ 754.315904] ? syscall_return_slowpath+0x5e0/0x5e0 [ 754.320820] ? syscall_return_slowpath+0x31d/0x5e0 [ 754.325742] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 754.331105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 754.335947] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 754.341125] RIP: 0033:0x455ab9 [ 754.344306] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 754.363733] RSP: 002b:00007f3212e69c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 754.371430] RAX: ffffffffffffffda RBX: 00007f3212e6a6d4 RCX: 0000000000455ab9 [ 754.378697] RDX: 0000000020000180 RSI: 0000000000000015 RDI: 0000000000000014 [ 754.385956] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 754.393303] R10: 0a00004000000002 R11: 0000000000000246 R12: 0000000000000016 [ 754.401188] R13: 00000000004c0b3b R14: 00000000004d0978 R15: 0000000000000003 16:59:28 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0xffff000000000000}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:28 executing program 2: r0 = perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = dup2(r0, r0) ioctl$KVM_DIRTY_TLB(r1, 0x4010aeaa, &(0x7f00000000c0)={0x6, 0xff}) getsockopt$sock_cred(0xffffffffffffff9c, 0x1, 0x11, &(0x7f0000000040)={0x0, 0x0}, &(0x7f0000000080)=0xc) ioprio_get$uid(0x3, r2) r3 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r3, &(0x7f0000000940)={&(0x7f00000004c0)={0x10}, 0xc, &(0x7f0000000900)={&(0x7f00000006c0)=@delpolicy={0x50, 0x14, 0x101, 0x0, 0x0, {{@in=@dev={0xac, 0x14, 0x14}, @in=@dev={0xac, 0x14, 0x14}}}}, 0x50}, 0x1}, 0x0) 16:59:28 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xfffffffffffff000}, 0x0) 16:59:28 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:28 executing program 5: r0 = gettid() timer_create(0x0, &(0x7f0000044000)={0x0, 0x12}, &(0x7f0000044000)) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ptmx\x00', 0x0, 0x0) poll(&(0x7f0000000100), 0x23e, 0xd6) ioctl$TCSETS(r1, 0x40045431, &(0x7f0000000000)) r2 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x500000, 0x0) getsockopt$inet_udp_int(r2, 0x11, 0x0, &(0x7f0000000080), &(0x7f00000000c0)=0x4) r3 = syz_open_pts(r1, 0x2) setsockopt$IP_VS_SO_SET_STOPDAEMON(r2, 0x0, 0x48c, &(0x7f0000000100)={0x0, 'vlan0\x00', 0x1}, 0x18) connect$vsock_stream(r2, &(0x7f0000000180)={0x28, 0x0, 0xffffffff, @reserved=0x1}, 0x10) r4 = dup3(r3, r1, 0x0) write(r1, &(0x7f0000c34fff), 0xffffff0b) timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000040000)) ioctl$TCXONC(r1, 0x540a, 0x2) ppoll(&(0x7f00000001c0)=[{r1, 0x2400}, {r2, 0x8010}, {r1, 0x140c}, {r1, 0x1}, {r1, 0x40}, {r4, 0x8000}, {r2, 0x40}], 0x7, &(0x7f0000000200)={0x77359400}, &(0x7f0000000240)={0x2}, 0x8) write$cgroup_pid(r4, &(0x7f0000000000)=ANY=[], 0x0) tkill(r0, 0x1000000000016) [ 754.530718] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:29 executing program 2: r0 = syz_open_dev$sg(&(0x7f00000000c0)='/dev/sg#\x00', 0x0, 0x0) ioctl$SG_IO(r0, 0x2283, &(0x7f0000000140)={0x1000000, 0x0, 0x0, 0x0, @buffer={0x0, 0x16, &(0x7f0000000000)=""/22}, &(0x7f0000000040), &(0x7f0000000080)=""/17, 0x0, 0x0, 0x0, &(0x7f0000000100)}) ioctl$sock_FIOGETOWN(r0, 0x8903, &(0x7f0000000040)=0x0) process_vm_writev(r1, &(0x7f0000000640)=[{&(0x7f00000001c0)=""/141, 0x8d}, {&(0x7f0000000280)=""/50, 0x32}, {&(0x7f00000002c0)=""/231, 0xe7}, {&(0x7f00000003c0)=""/116, 0x74}, {&(0x7f0000000440)=""/52, 0x34}, {&(0x7f0000000480)=""/69, 0x45}, {&(0x7f0000000500)=""/112, 0x70}, {&(0x7f0000000580)=""/152, 0x98}], 0x8, &(0x7f00000006c0), 0x0, 0x0) 16:59:29 executing program 7 (fault-call:8 fault-nth:4): r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:29 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:29 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x9, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:29 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_SIGNAL_MASK(0xffffffffffffffff, 0x4004ae8b, &(0x7f0000001000)=ANY=[@ANYBLOB="9a"]) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000100)=[@text64={0x40, &(0x7f0000000500)="0f0866b8ed008ec066ba4000b000eed2a807000000410f01cab98e0b0000b862000000ba000000000f30b90b0800000f320fc72a8f2a60128f00000000003000000fc7aa00100000", 0x48}], 0x1, 0x0, &(0x7f0000000000), 0x1000000000000040) r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x20402, 0x8) ioctl$sock_inet_SIOCSIFFLAGS(r3, 0x8914, &(0x7f0000000040)={'rose0\x00', 0x1000}) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000001000/0x2000)=nil}) ioctl$KVM_RUN(r2, 0xae80, 0x0) 16:59:29 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x5024000000000000}, 0x0) 16:59:29 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f0f000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:29 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0x80000000, 0x10080) ioctl$BLKFLSBUF(r0, 0x1261, &(0x7f0000000080)=0x6) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000040)='gid_map\x00') ioctl$KVM_GET_IRQCHIP(r1, 0xc208ae62, &(0x7f00000001c0)) write$evdev(r1, &(0x7f00000000c0), 0x0) 16:59:29 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 754.777579] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 754.867818] FAULT_INJECTION: forcing a failure. [ 754.867818] name failslab, interval 1, probability 0, space 0, times 0 [ 754.879620] CPU: 0 PID: 17053 Comm: syz-executor7 Not tainted 4.18.0-rc3+ #127 [ 754.887009] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 754.896386] Call Trace: [ 754.899006] dump_stack+0x1c9/0x2b4 [ 754.902665] ? dump_stack_print_info.cold.2+0x52/0x52 [ 754.907884] ? trace_hardirqs_on+0xd/0x10 [ 754.912069] ? __local_bh_enable_ip+0x161/0x230 16:59:29 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:29 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x301, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 754.916777] should_fail.cold.4+0xa/0x1a [ 754.920875] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 754.926044] ? print_usage_bug+0xc0/0xc0 [ 754.930130] ? netdev_pick_tx+0x2d0/0x2d0 [ 754.934304] ? print_usage_bug+0xc0/0xc0 [ 754.938559] ? print_usage_bug+0xc0/0xc0 [ 754.942643] ? print_usage_bug+0xc0/0xc0 [ 754.946731] ? rb_next+0x140/0x140 [ 754.950297] ? __lock_acquire+0x7fc/0x5020 [ 754.954562] ? __lock_acquire+0x7fc/0x5020 [ 754.958824] ? __lock_acquire+0x7fc/0x5020 [ 754.963101] ? print_usage_bug+0xc0/0xc0 [ 754.967190] __should_failslab+0x124/0x180 [ 754.971462] should_failslab+0x9/0x14 [ 754.975292] kmem_cache_alloc+0x47/0x760 [ 754.979381] ? __lock_acquire+0x7fc/0x5020 [ 754.983641] radix_tree_node_alloc.constprop.19+0x1e6/0x310 [ 754.989375] radix_tree_extend+0x295/0x650 [ 754.993639] ? radix_tree_node_alloc.constprop.19+0x310/0x310 [ 754.999564] ? trace_hardirqs_on+0x10/0x10 [ 755.003829] __radix_tree_create+0x656/0x840 [ 755.008300] ? radix_tree_maybe_preload_order+0x110/0x110 [ 755.013865] ? perf_trace_lock+0x920/0x920 [ 755.018136] ? perf_trace_lock_acquire+0xeb/0x9a0 [ 755.023019] ? graph_lock+0x170/0x170 [ 755.026861] ? perf_trace_lock_acquire+0xeb/0x9a0 [ 755.031735] __radix_tree_insert+0x107/0x8f0 [ 755.036178] ? graph_lock+0x170/0x170 [ 755.040006] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 755.045031] ? __radix_tree_create+0x840/0x840 [ 755.049608] ? lock_acquire+0x1e4/0x540 [ 755.053575] ? shmem_add_to_page_cache+0x49c/0xe00 [ 755.058495] ? lock_release+0xa30/0xa30 [ 755.062484] ? kasan_check_write+0x14/0x20 [ 755.066708] ? do_raw_spin_lock+0xc1/0x200 [ 755.070938] shmem_add_to_page_cache+0x988/0xe00 [ 755.075683] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 755.080086] ? shmem_put_link+0x280/0x280 [ 755.084232] ? percpu_ref_put_many+0x131/0x240 [ 755.088812] ? percpu_ref_tryget+0x2d0/0x2d0 [ 755.093225] ? mem_cgroup_try_charge+0x548/0xa70 [ 755.097990] ? mem_cgroup_protected+0xa60/0xa60 [ 755.102655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 755.108189] ? shmem_alloc_and_acct_page+0x31a/0x820 [ 755.113293] ? shmem_alloc_hugepage+0x4e0/0x4e0 [ 755.117980] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 755.122558] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 755.127568] ? __radix_tree_preload+0x173/0x1d0 [ 755.132232] shmem_getpage_gfp+0x81b/0x41e0 [ 755.136558] ? shmem_writepage+0x1380/0x1380 [ 755.140960] ? print_usage_bug+0xc0/0xc0 [ 755.145016] ? print_usage_bug+0xc0/0xc0 [ 755.149082] ? print_usage_bug+0xc0/0xc0 [ 755.153143] ? __lock_acquire+0x7fc/0x5020 [ 755.157370] ? __lock_acquire+0x7fc/0x5020 [ 755.161609] ? trace_hardirqs_on+0x10/0x10 [ 755.165838] ? print_usage_bug+0xc0/0xc0 [ 755.169886] ? __lock_acquire+0x7fc/0x5020 [ 755.174117] ? page_add_new_anon_rmap+0x870/0x870 [ 755.178986] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 755.183999] ? print_usage_bug+0xc0/0xc0 [ 755.188142] ? print_usage_bug+0xc0/0xc0 [ 755.192193] ? print_usage_bug+0xc0/0xc0 [ 755.196255] ? perf_trace_lock_acquire+0xeb/0x9a0 [ 755.201093] ? print_usage_bug+0xc0/0xc0 [ 755.206593] ? perf_trace_lock+0x920/0x920 [ 755.210993] ? perf_trace_lock+0x920/0x920 [ 755.215245] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 755.220780] ? page_mapping+0x44f/0x5e0 [ 755.224767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 755.230308] ? mark_page_accessed+0x672/0xd30 [ 755.234796] ? shmem_parse_options.cold.50+0x49/0x49 [ 755.239890] ? activate_page+0x9a0/0x9a0 [ 755.243950] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 755.249606] ? __set_page_dirty_no_writeback+0x14a/0x290 [ 755.255050] ? do_writepages+0x1a0/0x1a0 [ 755.259108] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 755.264111] ? sanity+0x238/0x330 [ 755.267554] ? do_writepages+0x1a0/0x1a0 [ 755.271608] ? kasan_check_write+0x14/0x20 [ 755.275839] ? copy_page_to_iter+0x534/0xf50 [ 755.280259] ? rcu_note_context_switch+0x730/0x730 [ 755.285184] ? check_same_owner+0x340/0x340 [ 755.289497] ? __save_stack_trace+0x8d/0xf0 [ 755.293811] shmem_file_read_iter+0x39f/0x1090 [ 755.298398] ? shmem_fallocate+0x12e0/0x12e0 [ 755.302802] ? lock_downgrade+0x8f0/0x8f0 [ 755.306947] ? kasan_check_read+0x11/0x20 [ 755.311289] ? rcu_is_watching+0x8c/0x150 [ 755.315455] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 755.319868] ? __lockdep_init_map+0x105/0x590 [ 755.324370] ? lockdep_init_map+0x9/0x10 [ 755.328443] ? debug_mutex_init+0x2d/0x60 [ 755.332588] ? __mutex_init+0x1f7/0x290 [ 755.336561] ? rcu_pm_notify+0xc0/0xc0 [ 755.340442] ? __ia32_sys_membarrier+0x150/0x150 [ 755.345194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 755.350733] ? fsnotify+0xbb4/0x14e0 [ 755.354438] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 755.359456] ? iov_iter_pipe+0xc2/0x2f0 [ 755.363427] generic_file_splice_read+0x5cd/0x9d0 [ 755.368266] ? add_to_pipe+0x360/0x360 [ 755.372154] ? rw_verify_area+0x118/0x360 [ 755.376289] ? add_to_pipe+0x360/0x360 [ 755.380178] do_splice_to+0x12e/0x190 [ 755.383973] splice_direct_to_actor+0x270/0x8f0 [ 755.388644] ? pipe_to_sendpage+0x400/0x400 [ 755.393216] ? do_splice_to+0x190/0x190 [ 755.397276] ? rw_verify_area+0x118/0x360 [ 755.401434] do_splice_direct+0x2d4/0x420 [ 755.405576] ? splice_direct_to_actor+0x8f0/0x8f0 [ 755.410419] ? rw_verify_area+0x118/0x360 [ 755.414565] do_sendfile+0x623/0xe20 [ 755.418291] ? do_compat_pwritev64+0x1c0/0x1c0 [ 755.422873] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 755.428404] ? _copy_from_user+0xdf/0x150 [ 755.432543] __x64_sys_sendfile64+0x15d/0x250 [ 755.437038] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 755.441615] ? do_syscall_64+0x9a/0x820 [ 755.445582] do_syscall_64+0x1b9/0x820 [ 755.449458] ? finish_task_switch+0x1d3/0x890 [ 755.453946] ? syscall_return_slowpath+0x5e0/0x5e0 [ 755.458872] ? syscall_return_slowpath+0x31d/0x5e0 [ 755.464056] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 755.469412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 755.474250] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 755.479431] RIP: 0033:0x455ab9 [ 755.482602] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 755.502392] RSP: 002b:00007f3212e69c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 755.510091] RAX: ffffffffffffffda RBX: 00007f3212e6a6d4 RCX: 0000000000455ab9 [ 755.517356] RDX: 0000000020000180 RSI: 0000000000000015 RDI: 0000000000000014 [ 755.524632] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 755.531890] R10: 0a00004000000002 R11: 0000000000000246 R12: 0000000000000016 [ 755.539145] R13: 00000000004c0b3b R14: 00000000004d0978 R15: 0000000000000004 16:59:30 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0x4000000000000000}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:30 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:30 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc0\x00', 0xa000, 0x0) ioctl$KVM_GET_XSAVE(r0, 0x9000aea4, &(0x7f00000002c0)) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000100)={r0, 0x28, &(0x7f00000000c0)={0x0, 0x0}}, 0x10) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f00000001c0)={r1, 0x9e80, 0x8}, 0xc) r2 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x201, 0x0) ioctl$UFFDIO_UNREGISTER(0xffffffffffffffff, 0x8010aa01, &(0x7f0000000280)={&(0x7f0000ff4000/0xa000)=nil, 0xa000}) write$cgroup_pid(r2, &(0x7f0000000080), 0x0) close(r2) 16:59:30 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xffffffff00000000}, 0x0) 16:59:30 executing program 5: r0 = syz_open_dev$tun(&(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFINDEX(r0, 0x400454da, &(0x7f0000000240)=0x20000005) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000180)={"643071300000000000000020001600", 0x3}) r1 = socket$inet6(0xa, 0x1000000000001, 0x0) ioctl$sock_SIOCETHTOOL(r1, 0x8946, &(0x7f00000000c0)={'yam0\x00', &(0x7f0000000040)=@ethtool_coalesce={0xf, 0x3, 0x80000000, 0x5, 0x0, 0x6, 0x3, 0x6, 0xfb02, 0x7, 0x9, 0x6f, 0x178e01d4, 0x4, 0x1, 0x3, 0x8, 0x2, 0x9, 0xb8a9, 0x80, 0x5, 0x8}}) ioctl$TUNDETACHFILTER(r0, 0x401054d6, 0x0) ioctl(r1, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r2 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r2, &(0x7f0000001580)={&(0x7f0000000200)={0x10}, 0xc, &(0x7f0000001540)={&(0x7f0000001500)=@getstats={0x1c, 0x5e, 0x12b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, 0x4}}, 0x1c}, 0x1}, 0x0) 16:59:30 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f14000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:30 executing program 7 (fault-call:8 fault-nth:5): r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:30 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x2, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 755.716915] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:30 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:30 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xc00e}, 0x0) [ 755.862242] FAULT_INJECTION: forcing a failure. [ 755.862242] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 755.874301] CPU: 1 PID: 17108 Comm: syz-executor7 Not tainted 4.18.0-rc3+ #127 [ 755.881681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 755.891053] Call Trace: [ 755.892066] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 755.893672] dump_stack+0x1c9/0x2b4 [ 755.893694] ? dump_stack_print_info.cold.2+0x52/0x52 [ 755.893711] ? __radix_tree_lookup+0x3dd/0x6e0 [ 755.893738] should_fail.cold.4+0xa/0x1a [ 755.921511] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 755.926611] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 755.931651] ? find_held_lock+0x36/0x1c0 [ 755.935713] ? find_held_lock+0x36/0x1c0 [ 755.939776] ? check_same_owner+0x340/0x340 [ 755.944090] ? rcu_note_context_switch+0x730/0x730 [ 755.949023] __alloc_pages_nodemask+0x36e/0xdb0 [ 755.953704] ? __alloc_pages_slowpath+0x2d90/0x2d90 [ 755.958724] ? trace_hardirqs_on+0x10/0x10 [ 755.962960] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 755.967992] ? percpu_counter_add_batch+0xf2/0x150 [ 755.972919] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 755.977930] ? __vm_enough_memory+0x590/0x980 [ 755.982425] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 755.987973] alloc_pages_vma+0xdd/0x540 [ 755.991952] shmem_alloc_page+0xa8/0x190 [ 755.996093] ? shmem_swapin+0x230/0x230 [ 756.000073] shmem_alloc_and_acct_page+0x1f1/0x820 [ 756.005000] ? shmem_alloc_hugepage+0x4e0/0x4e0 [ 756.009749] ? do_raw_spin_unlock+0xa7/0x2f0 [ 756.014148] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 756.018723] ? _raw_spin_unlock_irq+0x27/0x70 [ 756.023208] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 756.028310] shmem_getpage_gfp+0x6ea/0x41e0 [ 756.032633] ? shmem_writepage+0x1380/0x1380 [ 756.037040] ? print_usage_bug+0xc0/0xc0 [ 756.041181] ? print_usage_bug+0xc0/0xc0 [ 756.045342] ? print_usage_bug+0xc0/0xc0 [ 756.049400] ? print_usage_bug+0xc0/0xc0 [ 756.053476] ? __lock_acquire+0x7fc/0x5020 [ 756.057715] ? __lock_acquire+0x7fc/0x5020 [ 756.061970] ? trace_hardirqs_on+0x10/0x10 [ 756.066201] ? print_usage_bug+0xc0/0xc0 [ 756.070255] ? __lock_acquire+0x7fc/0x5020 [ 756.074486] ? update_load_avg+0x2de/0x2590 [ 756.078804] ? print_usage_bug+0xc0/0xc0 [ 756.082854] ? __lock_acquire+0x7fc/0x5020 [ 756.087098] ? update_load_avg+0x2de/0x2590 [ 756.091412] ? alloc_set_pte+0x1027/0x1620 [ 756.095649] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 756.101183] ? page_mapping+0x44f/0x5e0 [ 756.105146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 756.110685] ? mark_page_accessed+0x672/0xd30 [ 756.115172] ? shmem_parse_options.cold.50+0x49/0x49 [ 756.120272] ? activate_page+0x9a0/0x9a0 [ 756.124553] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 756.130200] ? __set_page_dirty_no_writeback+0x14a/0x290 [ 756.135780] ? do_writepages+0x1a0/0x1a0 [ 756.139926] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 756.144942] ? sanity+0x238/0x330 [ 756.148410] ? do_writepages+0x1a0/0x1a0 [ 756.152464] ? kasan_check_write+0x14/0x20 [ 756.156698] ? copy_page_to_iter+0x534/0xf50 [ 756.161114] ? rcu_note_context_switch+0x730/0x730 [ 756.166033] ? check_same_owner+0x340/0x340 [ 756.170346] ? __save_stack_trace+0x8d/0xf0 [ 756.174747] shmem_file_read_iter+0x39f/0x1090 [ 756.179328] ? shmem_fallocate+0x12e0/0x12e0 [ 756.183731] ? lock_downgrade+0x8f0/0x8f0 [ 756.187919] ? kasan_check_read+0x11/0x20 [ 756.192228] ? rcu_is_watching+0x8c/0x150 [ 756.196373] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 756.200772] ? __lockdep_init_map+0x105/0x590 [ 756.205258] ? lockdep_init_map+0x9/0x10 [ 756.209308] ? debug_mutex_init+0x2d/0x60 [ 756.213445] ? __mutex_init+0x1f7/0x290 [ 756.217417] ? rcu_pm_notify+0xc0/0xc0 [ 756.221464] ? __ia32_sys_membarrier+0x150/0x150 [ 756.226214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 756.231754] ? fsnotify+0xbb4/0x14e0 [ 756.235457] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 756.240459] ? iov_iter_pipe+0xc2/0x2f0 [ 756.244428] generic_file_splice_read+0x5cd/0x9d0 [ 756.249275] ? add_to_pipe+0x360/0x360 [ 756.253158] ? rw_verify_area+0x118/0x360 [ 756.257731] ? add_to_pipe+0x360/0x360 [ 756.261617] do_splice_to+0x12e/0x190 [ 756.265410] splice_direct_to_actor+0x270/0x8f0 [ 756.270079] ? pipe_to_sendpage+0x400/0x400 [ 756.274411] ? do_splice_to+0x190/0x190 [ 756.278397] ? rw_verify_area+0x118/0x360 [ 756.282536] do_splice_direct+0x2d4/0x420 [ 756.286676] ? splice_direct_to_actor+0x8f0/0x8f0 [ 756.291510] ? rw_verify_area+0x118/0x360 [ 756.295673] do_sendfile+0x623/0xe20 [ 756.299389] ? do_compat_pwritev64+0x1c0/0x1c0 [ 756.303969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 756.309498] ? _copy_from_user+0xdf/0x150 [ 756.313642] __x64_sys_sendfile64+0x15d/0x250 [ 756.318124] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 756.322696] ? do_syscall_64+0x9a/0x820 [ 756.326665] do_syscall_64+0x1b9/0x820 [ 756.330538] ? syscall_slow_exit_work+0x500/0x500 [ 756.335371] ? syscall_return_slowpath+0x5e0/0x5e0 [ 756.340292] ? syscall_return_slowpath+0x31d/0x5e0 [ 756.345215] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 756.350569] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 756.355403] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 756.360578] RIP: 0033:0x455ab9 [ 756.363756] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 756.383000] RSP: 002b:00007f3212e69c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 756.390712] RAX: ffffffffffffffda RBX: 00007f3212e6a6d4 RCX: 0000000000455ab9 [ 756.397969] RDX: 0000000020000180 RSI: 0000000000000015 RDI: 0000000000000014 [ 756.405239] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 16:59:30 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rtc0\x00', 0xa000, 0x0) ioctl$KVM_GET_XSAVE(r0, 0x9000aea4, &(0x7f00000002c0)) bpf$BPF_GET_MAP_INFO(0xf, &(0x7f0000000100)={r0, 0x28, &(0x7f00000000c0)={0x0, 0x0}}, 0x10) bpf$BPF_MAP_GET_FD_BY_ID(0xe, &(0x7f00000001c0)={r1, 0x9e80, 0x8}, 0xc) r2 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot\x00', 0x201, 0x0) ioctl$UFFDIO_UNREGISTER(0xffffffffffffffff, 0x8010aa01, &(0x7f0000000280)={&(0x7f0000ff4000/0xa000)=nil, 0xa000}) write$cgroup_pid(r2, &(0x7f0000000080), 0x0) close(r2) 16:59:30 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 756.412492] R10: 0a00004000000002 R11: 0000000000000246 R12: 0000000000000016 [ 756.419743] R13: 00000000004c0b3b R14: 00000000004d0978 R15: 0000000000000005 16:59:30 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x30, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:30 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xfffffff0}, 0x0) 16:59:31 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000040)="0700e1311f16f477671070") socket$inet6_sctp(0xa, 0x5, 0x84) clone(0x0, &(0x7f000075cf53), &(0x7f000015dffc), &(0x7f0000b25ffc), &(0x7f0000923000)) prctl$getreaper(0x19, &(0x7f00000000c0)) [ 756.556418] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:31 executing program 7 (fault-call:8 fault-nth:6): r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) [ 756.714763] FAULT_INJECTION: forcing a failure. [ 756.714763] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 756.726936] CPU: 0 PID: 17147 Comm: syz-executor7 Not tainted 4.18.0-rc3+ #127 [ 756.734491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 756.743835] Call Trace: [ 756.746437] dump_stack+0x1c9/0x2b4 [ 756.750060] ? dump_stack_print_info.cold.2+0x52/0x52 [ 756.755238] ? __radix_tree_lookup+0x3dd/0x6e0 [ 756.759838] should_fail.cold.4+0xa/0x1a [ 756.763903] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 756.768994] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 756.774009] ? find_held_lock+0x36/0x1c0 [ 756.778065] ? find_held_lock+0x36/0x1c0 [ 756.782127] ? check_same_owner+0x340/0x340 [ 756.786435] ? rcu_note_context_switch+0x730/0x730 [ 756.791360] __alloc_pages_nodemask+0x36e/0xdb0 [ 756.796027] ? __alloc_pages_slowpath+0x2d90/0x2d90 [ 756.801046] ? trace_hardirqs_on+0x10/0x10 [ 756.805278] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 756.810285] ? percpu_counter_add_batch+0xf2/0x150 [ 756.815211] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 756.820219] ? __vm_enough_memory+0x590/0x980 [ 756.826965] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 756.832491] alloc_pages_vma+0xdd/0x540 [ 756.836458] shmem_alloc_page+0xa8/0x190 [ 756.840515] ? shmem_swapin+0x230/0x230 [ 756.844496] shmem_alloc_and_acct_page+0x1f1/0x820 [ 756.849426] ? shmem_alloc_hugepage+0x4e0/0x4e0 [ 756.854090] ? do_raw_spin_unlock+0xa7/0x2f0 [ 756.858506] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 756.863083] ? _raw_spin_unlock_irq+0x27/0x70 [ 756.867574] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 756.872582] shmem_getpage_gfp+0x6ea/0x41e0 [ 756.876903] ? shmem_writepage+0x1380/0x1380 [ 756.881300] ? print_usage_bug+0xc0/0xc0 [ 756.885347] ? print_usage_bug+0xc0/0xc0 [ 756.889408] ? print_usage_bug+0xc0/0xc0 [ 756.893465] ? __lock_acquire+0x7fc/0x5020 [ 756.897689] ? __lock_acquire+0x7fc/0x5020 [ 756.901935] ? trace_hardirqs_on+0x10/0x10 [ 756.906158] ? print_usage_bug+0xc0/0xc0 [ 756.910207] ? __lock_acquire+0x7fc/0x5020 [ 756.914430] ? page_add_new_anon_rmap+0x870/0x870 [ 756.919259] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 756.924262] ? print_usage_bug+0xc0/0xc0 [ 756.928310] ? print_usage_bug+0xc0/0xc0 [ 756.932365] ? print_usage_bug+0xc0/0xc0 [ 756.936414] ? print_usage_bug+0xc0/0xc0 [ 756.940462] ? __lock_acquire+0x7fc/0x5020 [ 756.944683] ? lock_acquire+0x1e4/0x540 [ 756.948642] ? alloc_set_pte+0x1027/0x1620 [ 756.952868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 756.958401] ? page_mapping+0x44f/0x5e0 [ 756.962361] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 756.967893] ? mark_page_accessed+0x672/0xd30 [ 756.972383] ? shmem_parse_options.cold.50+0x49/0x49 [ 756.977474] ? activate_page+0x9a0/0x9a0 [ 756.981526] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 756.987058] ? __set_page_dirty_no_writeback+0x14a/0x290 [ 756.992498] ? do_writepages+0x1a0/0x1a0 [ 756.996571] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 757.001582] ? sanity+0x238/0x330 [ 757.005031] ? do_writepages+0x1a0/0x1a0 [ 757.009082] ? kasan_check_write+0x14/0x20 [ 757.013320] ? copy_page_to_iter+0x534/0xf50 [ 757.017729] ? rcu_note_context_switch+0x730/0x730 [ 757.022647] ? check_same_owner+0x340/0x340 [ 757.026967] ? __save_stack_trace+0x8d/0xf0 [ 757.031285] shmem_file_read_iter+0x39f/0x1090 [ 757.035892] ? shmem_fallocate+0x12e0/0x12e0 [ 757.040314] ? lock_downgrade+0x8f0/0x8f0 [ 757.044475] ? kasan_check_read+0x11/0x20 [ 757.048611] ? rcu_is_watching+0x8c/0x150 [ 757.052745] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 757.057141] ? __lockdep_init_map+0x105/0x590 [ 757.061624] ? lockdep_init_map+0x9/0x10 [ 757.065673] ? debug_mutex_init+0x2d/0x60 [ 757.069808] ? __mutex_init+0x1f7/0x290 [ 757.073768] ? rcu_pm_notify+0xc0/0xc0 [ 757.077640] ? __ia32_sys_membarrier+0x150/0x150 [ 757.082397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 757.087934] ? fsnotify+0xbb4/0x14e0 [ 757.091637] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 757.096641] ? iov_iter_pipe+0xc2/0x2f0 [ 757.100603] generic_file_splice_read+0x5cd/0x9d0 [ 757.105435] ? add_to_pipe+0x360/0x360 [ 757.109326] ? rw_verify_area+0x118/0x360 [ 757.113461] ? add_to_pipe+0x360/0x360 [ 757.117785] do_splice_to+0x12e/0x190 [ 757.121927] splice_direct_to_actor+0x270/0x8f0 [ 757.126587] ? pipe_to_sendpage+0x400/0x400 [ 757.130900] ? do_splice_to+0x190/0x190 [ 757.134873] ? rw_verify_area+0x118/0x360 [ 757.139045] do_splice_direct+0x2d4/0x420 [ 757.143355] ? splice_direct_to_actor+0x8f0/0x8f0 [ 757.148201] ? rw_verify_area+0x118/0x360 [ 757.152427] do_sendfile+0x623/0xe20 [ 757.156144] ? do_compat_pwritev64+0x1c0/0x1c0 [ 757.160748] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 757.166279] ? _copy_from_user+0xdf/0x150 [ 757.170432] __x64_sys_sendfile64+0x15d/0x250 [ 757.174927] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 757.179510] ? do_syscall_64+0x9a/0x820 [ 757.183488] do_syscall_64+0x1b9/0x820 [ 757.187645] ? finish_task_switch+0x1d3/0x890 [ 757.192343] ? syscall_return_slowpath+0x5e0/0x5e0 [ 757.197350] ? syscall_return_slowpath+0x31d/0x5e0 [ 757.202275] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 757.209000] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 757.213868] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 757.219050] RIP: 0033:0x455ab9 [ 757.222226] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 757.241469] RSP: 002b:00007f3212e69c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 757.249171] RAX: ffffffffffffffda RBX: 00007f3212e6a6d4 RCX: 0000000000455ab9 [ 757.256440] RDX: 0000000020000180 RSI: 0000000000000015 RDI: 0000000000000014 16:59:31 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0x10000000}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:31 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:31 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xf0ffffffffffff}, 0x0) 16:59:31 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="2957e1311f16f477671070") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000013e95), 0x4) setsockopt$RDS_RECVERR(r2, 0x114, 0x5, &(0x7f0000000000)=0x1, 0x4) getsockopt$inet_IP_IPSEC_POLICY(r2, 0x0, 0x53, &(0x7f0000005780)={{{@in6, @in6=@loopback}}, {{@in6}, 0x0, @in=@multicast1}}, &(0x7f0000005880)=0x3) close(r2) close(r1) 16:59:31 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0xffffffe0, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 757.263701] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 757.270981] R10: 0a00004000000002 R11: 0000000000000246 R12: 0000000000000016 [ 757.278247] R13: 00000000004c0b3b R14: 00000000004d0978 R15: 0000000000000006 [ 757.346012] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:31 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f17000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:31 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8902, &(0x7f0000000000)="8f76007000000000000000") getsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 16:59:31 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:31 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x10, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:31 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xf0ffffff}, 0x0) 16:59:31 executing program 7 (fault-call:8 fault-nth:7): r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:31 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 757.495505] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:31 executing program 5: r0 = socket$xdp(0x2c, 0x3, 0x0) setsockopt$XDP_UMEM_REG(r0, 0x11b, 0x4, &(0x7f0000000040)={&(0x7f0000000000)=""/2, 0x2000, 0x800}, 0x18) close(r0) [ 757.570255] FAULT_INJECTION: forcing a failure. [ 757.570255] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 757.582337] CPU: 1 PID: 17184 Comm: syz-executor7 Not tainted 4.18.0-rc3+ #127 [ 757.589722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 757.599098] Call Trace: [ 757.601717] dump_stack+0x1c9/0x2b4 [ 757.605383] ? dump_stack_print_info.cold.2+0x52/0x52 [ 757.610611] ? __radix_tree_lookup+0x3dd/0x6e0 [ 757.615326] should_fail.cold.4+0xa/0x1a [ 757.619438] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 757.624571] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 757.629643] ? find_held_lock+0x36/0x1c0 [ 757.633765] ? find_held_lock+0x36/0x1c0 [ 757.637975] ? check_same_owner+0x340/0x340 [ 757.642335] ? rcu_note_context_switch+0x730/0x730 [ 757.647487] __alloc_pages_nodemask+0x36e/0xdb0 [ 757.652295] ? __alloc_pages_slowpath+0x2d90/0x2d90 [ 757.657340] ? trace_hardirqs_on+0x10/0x10 [ 757.661617] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 757.666660] ? percpu_counter_add_batch+0xf2/0x150 [ 757.671623] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 757.676671] ? __vm_enough_memory+0x590/0x980 [ 757.681204] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 757.686775] alloc_pages_vma+0xdd/0x540 [ 757.690786] shmem_alloc_page+0xa8/0x190 [ 757.694885] ? shmem_swapin+0x230/0x230 [ 757.698925] shmem_alloc_and_acct_page+0x1f1/0x820 [ 757.703893] ? shmem_alloc_hugepage+0x4e0/0x4e0 [ 757.708591] ? do_raw_spin_unlock+0xa7/0x2f0 [ 757.713032] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 757.717647] ? _raw_spin_unlock_irq+0x27/0x70 [ 757.722173] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 757.727229] shmem_getpage_gfp+0x6ea/0x41e0 [ 757.731594] ? shmem_writepage+0x1380/0x1380 [ 757.736097] ? print_usage_bug+0xc0/0xc0 [ 757.740164] ? print_usage_bug+0xc0/0xc0 [ 757.744234] ? print_usage_bug+0xc0/0xc0 [ 757.748307] ? __lock_acquire+0x7fc/0x5020 [ 757.752543] ? __lock_acquire+0x7fc/0x5020 [ 757.756775] ? trace_hardirqs_on+0x10/0x10 [ 757.761008] ? print_usage_bug+0xc0/0xc0 [ 757.765072] ? __lock_acquire+0x7fc/0x5020 [ 757.769303] ? page_add_new_anon_rmap+0x870/0x870 [ 757.774228] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 757.779237] ? print_usage_bug+0xc0/0xc0 [ 757.783309] ? print_usage_bug+0xc0/0xc0 [ 757.787376] ? print_usage_bug+0xc0/0xc0 [ 757.791431] ? print_usage_bug+0xc0/0xc0 [ 757.795493] ? __lock_acquire+0x7fc/0x5020 [ 757.799728] ? lock_acquire+0x1e4/0x540 [ 757.803790] ? alloc_set_pte+0x1027/0x1620 [ 757.808036] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 757.813656] ? page_mapping+0x44f/0x5e0 [ 757.817622] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 757.823245] ? mark_page_accessed+0x672/0xd30 [ 757.827750] ? shmem_parse_options.cold.50+0x49/0x49 [ 757.832844] ? activate_page+0x9a0/0x9a0 [ 757.836896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 757.842611] ? __set_page_dirty_no_writeback+0x14a/0x290 [ 757.848065] ? do_writepages+0x1a0/0x1a0 [ 757.852229] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 757.857244] ? sanity+0x238/0x330 [ 757.860694] ? do_writepages+0x1a0/0x1a0 [ 757.864759] ? kasan_check_write+0x14/0x20 [ 757.868989] ? copy_page_to_iter+0x534/0xf50 [ 757.873402] ? rcu_note_context_switch+0x730/0x730 [ 757.878323] ? check_same_owner+0x340/0x340 [ 757.882648] ? __save_stack_trace+0x8d/0xf0 [ 757.887034] shmem_file_read_iter+0x39f/0x1090 [ 757.891625] ? shmem_fallocate+0x12e0/0x12e0 [ 757.896031] ? lock_downgrade+0x8f0/0x8f0 [ 757.900183] ? kasan_check_read+0x11/0x20 [ 757.904336] ? rcu_is_watching+0x8c/0x150 [ 757.908477] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 757.912880] ? __lockdep_init_map+0x105/0x590 [ 757.917376] ? lockdep_init_map+0x9/0x10 [ 757.921431] ? debug_mutex_init+0x2d/0x60 [ 757.925570] ? __mutex_init+0x1f7/0x290 [ 757.929533] ? rcu_pm_notify+0xc0/0xc0 [ 757.933415] ? __ia32_sys_membarrier+0x150/0x150 [ 757.938164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 757.943687] ? fsnotify+0xbb4/0x14e0 [ 757.947391] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 757.952398] ? iov_iter_pipe+0xc2/0x2f0 [ 757.956371] generic_file_splice_read+0x5cd/0x9d0 [ 757.961203] ? add_to_pipe+0x360/0x360 [ 757.965095] ? rw_verify_area+0x118/0x360 [ 757.969234] ? add_to_pipe+0x360/0x360 [ 757.973114] do_splice_to+0x12e/0x190 [ 757.976911] splice_direct_to_actor+0x270/0x8f0 [ 757.981588] ? pipe_to_sendpage+0x400/0x400 [ 757.985911] ? do_splice_to+0x190/0x190 [ 757.989982] ? rw_verify_area+0x118/0x360 [ 757.994123] do_splice_direct+0x2d4/0x420 [ 757.998287] ? splice_direct_to_actor+0x8f0/0x8f0 [ 758.003121] ? rw_verify_area+0x118/0x360 [ 758.007276] do_sendfile+0x623/0xe20 [ 758.010987] ? do_compat_pwritev64+0x1c0/0x1c0 [ 758.015580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 758.021116] ? _copy_from_user+0xdf/0x150 [ 758.025266] __x64_sys_sendfile64+0x15d/0x250 [ 758.029757] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 758.034353] ? do_syscall_64+0x9a/0x820 [ 758.038324] do_syscall_64+0x1b9/0x820 [ 758.042202] ? syscall_slow_exit_work+0x500/0x500 [ 758.047037] ? syscall_return_slowpath+0x5e0/0x5e0 [ 758.051959] ? syscall_return_slowpath+0x31d/0x5e0 [ 758.056883] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 758.062248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 758.067347] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 758.072528] RIP: 0033:0x455ab9 [ 758.075795] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 758.095403] RSP: 002b:00007f3212e69c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 758.103109] RAX: ffffffffffffffda RBX: 00007f3212e6a6d4 RCX: 0000000000455ab9 [ 758.110370] RDX: 0000000020000180 RSI: 0000000000000015 RDI: 0000000000000014 16:59:32 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:32 executing program 5: r0 = getpgrp(0x0) sched_setaffinity(r0, 0x8, &(0x7f0000e51ff8)=0x1) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000001fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000019fe0)={{&(0x7f0000012000/0x2000)=nil, 0x2000}, 0x1}) r2 = memfd_create(&(0x7f0000002000)="6372706c6f7d1985", 0x3) pwritev(r2, &(0x7f0000000000)=[{&(0x7f0000012000)="ca", 0x1}], 0x1, 0x0) fcntl$addseals(r2, 0x409, 0x0) write$cgroup_type(r2, &(0x7f0000000040)='threaded\x00', 0x9) ioctl$ASHMEM_SET_PROT_MASK(r2, 0x40087705, &(0x7f0000000080)={0x3, 0x7}) close(r1) 16:59:32 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xad37000000000000}, 0x0) [ 758.117735] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 758.125009] R10: 0a00004000000002 R11: 0000000000000246 R12: 0000000000000016 [ 758.132273] R13: 00000000004c0b3b R14: 00000000004d0978 R15: 0000000000000007 [ 758.195470] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:32 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0xffff0000}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:32 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:32 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f16000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:32 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x3e, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:32 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) getsockopt$IPT_SO_GET_ENTRIES(r0, 0x0, 0x41, &(0x7f0000000200)=ANY=[@ANYBLOB="6d616e676c65000000000000000000000000000000000000000000000000000800000000a4af4a17aefe1fb6c612e97bd750dcb1f45f605c0fde560c5721acb36b69d607d339d1b71bf01a921f308d7bb2e77acba5db31823ef3316e122441724f8142c100144433013d6119d7c46e6f52ce5f543f0a32c847cf7325759abd6a5ff93fb3b4ba5e67c669a473c52b1072de0581f52902f343d7efeac731c7847d73385cc27133a850fc88250ea4bc21"], &(0x7f00000001c0)=0x24) setsockopt$IP_VS_SO_SET_FLUSH(r0, 0x0, 0x485, 0x0, 0x0) lseek(r0, 0x0, 0x1) openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x200000, 0x0) 16:59:32 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x1f000000}, 0x0) 16:59:32 executing program 7 (fault-call:8 fault-nth:8): r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:32 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 758.524748] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 758.544574] FAULT_INJECTION: forcing a failure. [ 758.544574] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 758.556584] CPU: 0 PID: 17224 Comm: syz-executor7 Not tainted 4.18.0-rc3+ #127 [ 758.563991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 758.573618] Call Trace: [ 758.576231] dump_stack+0x1c9/0x2b4 [ 758.579890] ? dump_stack_print_info.cold.2+0x52/0x52 [ 758.585721] ? __radix_tree_lookup+0x3dd/0x6e0 [ 758.590318] should_fail.cold.4+0xa/0x1a [ 758.594390] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 758.599513] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 758.604523] ? find_held_lock+0x36/0x1c0 [ 758.608588] ? find_held_lock+0x36/0x1c0 [ 758.612670] ? check_same_owner+0x340/0x340 [ 758.617003] ? rcu_note_context_switch+0x730/0x730 [ 758.621941] __alloc_pages_nodemask+0x36e/0xdb0 [ 758.626717] ? __alloc_pages_slowpath+0x2d90/0x2d90 [ 758.631742] ? trace_hardirqs_on+0x10/0x10 [ 758.635978] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 758.641004] ? percpu_counter_add_batch+0xf2/0x150 [ 758.645985] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 758.651004] ? __vm_enough_memory+0x590/0x980 [ 758.655503] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 758.661136] alloc_pages_vma+0xdd/0x540 [ 758.665107] shmem_alloc_page+0xa8/0x190 [ 758.669155] ? shmem_swapin+0x230/0x230 [ 758.673142] shmem_alloc_and_acct_page+0x1f1/0x820 [ 758.678076] ? shmem_alloc_hugepage+0x4e0/0x4e0 [ 758.682732] ? do_raw_spin_unlock+0xa7/0x2f0 [ 758.687132] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 758.691742] ? _raw_spin_unlock_irq+0x27/0x70 [ 758.696240] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 758.701262] shmem_getpage_gfp+0x6ea/0x41e0 [ 758.705588] ? shmem_writepage+0x1380/0x1380 [ 758.710016] ? print_usage_bug+0xc0/0xc0 [ 758.714074] ? print_usage_bug+0xc0/0xc0 [ 758.718133] ? print_usage_bug+0xc0/0xc0 [ 758.722289] ? __lock_acquire+0x7fc/0x5020 [ 758.726533] ? __lock_acquire+0x7fc/0x5020 [ 758.730766] ? trace_hardirqs_on+0x10/0x10 [ 758.734994] ? print_usage_bug+0xc0/0xc0 [ 758.739049] ? __lock_acquire+0x7fc/0x5020 [ 758.743275] ? page_add_new_anon_rmap+0x870/0x870 [ 758.748109] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 758.753120] ? print_usage_bug+0xc0/0xc0 [ 758.757171] ? print_usage_bug+0xc0/0xc0 [ 758.761221] ? print_usage_bug+0xc0/0xc0 [ 758.765277] ? print_usage_bug+0xc0/0xc0 [ 758.769341] ? __lock_acquire+0x7fc/0x5020 [ 758.773569] ? lock_acquire+0x1e4/0x540 [ 758.777543] ? alloc_set_pte+0x1027/0x1620 [ 758.781774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 758.787303] ? page_mapping+0x44f/0x5e0 [ 758.791265] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 758.796794] ? mark_page_accessed+0x672/0xd30 [ 758.801303] ? shmem_parse_options.cold.50+0x49/0x49 [ 758.806400] ? activate_page+0x9a0/0x9a0 [ 758.810455] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 758.815986] ? __set_page_dirty_no_writeback+0x14a/0x290 [ 758.821431] ? do_writepages+0x1a0/0x1a0 [ 758.825488] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 758.830493] ? sanity+0x238/0x330 [ 758.833947] ? do_writepages+0x1a0/0x1a0 [ 758.838006] ? kasan_check_write+0x14/0x20 [ 758.842250] ? copy_page_to_iter+0x534/0xf50 [ 758.846664] ? rcu_note_context_switch+0x730/0x730 [ 758.851601] ? check_same_owner+0x340/0x340 [ 758.855919] ? __save_stack_trace+0x8d/0xf0 [ 758.860237] shmem_file_read_iter+0x39f/0x1090 [ 758.864817] ? shmem_fallocate+0x12e0/0x12e0 [ 758.869229] ? lock_downgrade+0x8f0/0x8f0 [ 758.873368] ? kasan_check_read+0x11/0x20 [ 758.877515] ? rcu_is_watching+0x8c/0x150 [ 758.881652] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 758.886064] ? __lockdep_init_map+0x105/0x590 [ 758.890552] ? lockdep_init_map+0x9/0x10 [ 758.894600] ? debug_mutex_init+0x2d/0x60 [ 758.898744] ? __mutex_init+0x1f7/0x290 [ 758.902878] ? rcu_pm_notify+0xc0/0xc0 [ 758.906757] ? __ia32_sys_membarrier+0x150/0x150 [ 758.911504] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 758.917035] ? fsnotify+0xbb4/0x14e0 [ 758.920743] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 758.925747] ? iov_iter_pipe+0xc2/0x2f0 [ 758.929711] generic_file_splice_read+0x5cd/0x9d0 [ 758.934547] ? add_to_pipe+0x360/0x360 [ 758.938432] ? rw_verify_area+0x118/0x360 [ 758.942570] ? add_to_pipe+0x360/0x360 [ 758.946451] do_splice_to+0x12e/0x190 [ 758.950248] splice_direct_to_actor+0x270/0x8f0 [ 758.955010] ? pipe_to_sendpage+0x400/0x400 [ 758.959331] ? do_splice_to+0x190/0x190 [ 758.963298] ? rw_verify_area+0x118/0x360 [ 758.967440] do_splice_direct+0x2d4/0x420 [ 758.971578] ? splice_direct_to_actor+0x8f0/0x8f0 [ 758.976413] ? rw_verify_area+0x118/0x360 [ 758.980554] do_sendfile+0x623/0xe20 [ 758.984274] ? do_compat_pwritev64+0x1c0/0x1c0 [ 758.988854] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 758.994379] ? _copy_from_user+0xdf/0x150 [ 758.998526] __x64_sys_sendfile64+0x15d/0x250 [ 759.003031] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 759.007608] ? do_syscall_64+0x9a/0x820 [ 759.011576] do_syscall_64+0x1b9/0x820 [ 759.015462] ? finish_task_switch+0x1d3/0x890 [ 759.019947] ? syscall_return_slowpath+0x5e0/0x5e0 [ 759.025136] ? syscall_return_slowpath+0x31d/0x5e0 [ 759.030062] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 759.035438] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 759.040300] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 759.045487] RIP: 0033:0x455ab9 [ 759.048665] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 759.067987] RSP: 002b:00007f3212e69c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 16:59:33 executing program 2: r0 = socket(0x10, 0x3, 0x4) recvmmsg(r0, &(0x7f00000045c0)=[{{0x0, 0x0, &(0x7f0000004500)=[{&(0x7f0000003400)=""/23, 0x17}], 0x1, &(0x7f0000004580)=""/50, 0x32}}], 0x1, 0x0, &(0x7f00000046c0)={0x0, 0x989680}) recvmmsg(r0, &(0x7f00000018c0)=[{{0x0, 0x0, &(0x7f0000001740)=[{&(0x7f0000000340)=""/116, 0x74}, {&(0x7f00000003c0)=""/159, 0x9f}, {&(0x7f0000000480)=""/4096, 0x1000}, {&(0x7f0000001480)=""/216, 0xd8}, {&(0x7f00000015c0)=""/90, 0x5a}, {&(0x7f0000001640)=""/196, 0xc4}], 0x6, &(0x7f0000001800)=""/151, 0x97}}], 0x1, 0x0, &(0x7f0000001900)={0x77359400}) sendmsg$nl_crypto(r0, &(0x7f0000000300)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000280)={&(0x7f0000000180)=@upd={0xe0, 0x12, 0x301, 0x0, 0x0, {{'\nrc32\x00'}}}, 0xe0}, 0x1}, 0x0) [ 759.075739] RAX: ffffffffffffffda RBX: 00007f3212e6a6d4 RCX: 0000000000455ab9 [ 759.083095] RDX: 0000000020000180 RSI: 0000000000000015 RDI: 0000000000000014 [ 759.090439] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 759.097697] R10: 0a00004000000002 R11: 0000000000000246 R12: 0000000000000016 [ 759.104961] R13: 00000000004c0b3b R14: 00000000004d0978 R15: 0000000000000008 16:59:33 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xf0ffffff00000000}, 0x0) 16:59:33 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x890f, &(0x7f00000000c0)="bb63445f8f760070") r1 = socket$inet6_udp(0xa, 0x2, 0x0) setsockopt$inet6_int(r1, 0x29, 0x180000000000048, &(0x7f0000000000)=0x1, 0x4) getsockopt$inet6_int(r1, 0x29, 0x48, &(0x7f0000000180), &(0x7f00000001c0)=0x4) 16:59:33 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0xd, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:33 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:33 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x100, 0x0) ioctl$VHOST_NET_SET_BACKEND(r1, 0x4008af30, &(0x7f0000000040)={0x3}) unshare(0x40000000) r2 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$sock_inet_SIOCSIFADDR(r2, 0x8916, &(0x7f0000000600)={'sit0\x00', {0x2, 0x0, @rand_addr=0x401}}) [ 759.235890] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:33 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xb86b000000000000}, 0x0) 16:59:33 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 759.350702] IPVS: ftp: loaded support on port[0] = 21 [ 759.393726] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 759.515478] IPVS: ftp: loaded support on port[0] = 21 16:59:34 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0x0, 0xffff000000000000}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:34 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x5, 0x0, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:34 executing program 7 (fault-call:8 fault-nth:9): r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:34 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f15000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:34 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x4001}, 0x0) 16:59:34 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:34 executing program 5: r0 = openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vga_arbiter\x00', 0x90380, 0x0) ioctl$EVIOCSMASK(r0, 0x40104593, &(0x7f0000000100)={0x4, 0x10, &(0x7f00000000c0)="dee6a4c16eba6f722eeb3e69b330657c"}) mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000000)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000004fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket(0xa, 0x1, 0x0) getsockopt$inet6_int(r2, 0x6, 0x1a, &(0x7f0000000040), &(0x7f0000013000)=0x221) mmap(&(0x7f0000000000/0xfe3000)=nil, 0xfe3000, 0x3, 0x32, 0xffffffffffffffff, 0x0) close(r1) [ 759.686932] FAULT_INJECTION: forcing a failure. [ 759.686932] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 759.687416] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 759.699105] CPU: 0 PID: 17281 Comm: syz-executor7 Not tainted 4.18.0-rc3+ #127 [ 759.716746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 759.726114] Call Trace: [ 759.728733] dump_stack+0x1c9/0x2b4 16:59:34 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 759.732385] ? dump_stack_print_info.cold.2+0x52/0x52 [ 759.737701] ? __radix_tree_lookup+0x3dd/0x6e0 [ 759.742304] should_fail.cold.4+0xa/0x1a [ 759.746457] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 759.751582] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 759.756643] ? find_held_lock+0x36/0x1c0 [ 759.760741] ? find_held_lock+0x36/0x1c0 [ 759.764811] ? check_same_owner+0x340/0x340 [ 759.769156] ? rcu_note_context_switch+0x730/0x730 [ 759.774095] __alloc_pages_nodemask+0x36e/0xdb0 [ 759.778765] ? __alloc_pages_slowpath+0x2d90/0x2d90 [ 759.783779] ? trace_hardirqs_on+0x10/0x10 [ 759.788018] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 759.793047] ? percpu_counter_add_batch+0xf2/0x150 [ 759.797966] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 759.802984] ? __vm_enough_memory+0x590/0x980 [ 759.807473] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 759.813435] alloc_pages_vma+0xdd/0x540 [ 759.817399] shmem_alloc_page+0xa8/0x190 [ 759.821458] ? shmem_swapin+0x230/0x230 [ 759.825448] shmem_alloc_and_acct_page+0x1f1/0x820 [ 759.830370] ? shmem_alloc_hugepage+0x4e0/0x4e0 [ 759.835033] ? do_raw_spin_unlock+0xa7/0x2f0 [ 759.839439] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 759.844037] ? _raw_spin_unlock_irq+0x27/0x70 [ 759.848538] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 759.853544] shmem_getpage_gfp+0x6ea/0x41e0 [ 759.857864] ? shmem_writepage+0x1380/0x1380 [ 759.862270] ? print_usage_bug+0xc0/0xc0 [ 759.866329] ? print_usage_bug+0xc0/0xc0 [ 759.870393] ? print_usage_bug+0xc0/0xc0 [ 759.874451] ? __lock_acquire+0x7fc/0x5020 [ 759.878677] ? __lock_acquire+0x7fc/0x5020 [ 759.882905] ? trace_hardirqs_on+0x10/0x10 [ 759.887131] ? print_usage_bug+0xc0/0xc0 [ 759.891180] ? __lock_acquire+0x7fc/0x5020 [ 759.895413] ? page_add_new_anon_rmap+0x870/0x870 [ 759.900257] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 759.905268] ? print_usage_bug+0xc0/0xc0 [ 759.909333] ? print_usage_bug+0xc0/0xc0 [ 759.913382] ? print_usage_bug+0xc0/0xc0 [ 759.917438] ? print_usage_bug+0xc0/0xc0 [ 759.921493] ? __lock_acquire+0x7fc/0x5020 [ 759.925718] ? lock_acquire+0x1e4/0x540 [ 759.929703] ? alloc_set_pte+0x1027/0x1620 [ 759.933937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 759.939466] ? page_mapping+0x44f/0x5e0 [ 759.943431] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 759.948960] ? mark_page_accessed+0x672/0xd30 [ 759.953442] ? shmem_parse_options.cold.50+0x49/0x49 [ 759.958546] ? activate_page+0x9a0/0x9a0 [ 759.962603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 759.968129] ? __set_page_dirty_no_writeback+0x14a/0x290 [ 759.973571] ? do_writepages+0x1a0/0x1a0 [ 759.977644] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 759.982661] ? sanity+0x238/0x330 [ 759.986106] ? do_writepages+0x1a0/0x1a0 [ 759.990170] ? kasan_check_write+0x14/0x20 [ 759.994499] ? copy_page_to_iter+0x534/0xf50 [ 759.998905] ? rcu_note_context_switch+0x730/0x730 [ 760.003823] ? check_same_owner+0x340/0x340 [ 760.008131] ? __save_stack_trace+0x8d/0xf0 [ 760.012457] shmem_file_read_iter+0x39f/0x1090 [ 760.017041] ? shmem_fallocate+0x12e0/0x12e0 [ 760.021449] ? lock_downgrade+0x8f0/0x8f0 [ 760.025860] ? kasan_check_read+0x11/0x20 [ 760.030093] ? rcu_is_watching+0x8c/0x150 [ 760.034231] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 760.038630] ? __lockdep_init_map+0x105/0x590 [ 760.043126] ? lockdep_init_map+0x9/0x10 [ 760.047184] ? debug_mutex_init+0x2d/0x60 [ 760.051318] ? __mutex_init+0x1f7/0x290 [ 760.055276] ? rcu_pm_notify+0xc0/0xc0 [ 760.059149] ? __ia32_sys_membarrier+0x150/0x150 [ 760.063906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 760.069431] ? fsnotify+0xbb4/0x14e0 [ 760.073145] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 760.078161] ? iov_iter_pipe+0xc2/0x2f0 [ 760.082125] generic_file_splice_read+0x5cd/0x9d0 [ 760.086961] ? add_to_pipe+0x360/0x360 [ 760.090842] ? rw_verify_area+0x118/0x360 [ 760.094980] ? add_to_pipe+0x360/0x360 [ 760.098856] do_splice_to+0x12e/0x190 [ 760.102647] splice_direct_to_actor+0x270/0x8f0 [ 760.107302] ? pipe_to_sendpage+0x400/0x400 [ 760.111614] ? do_splice_to+0x190/0x190 [ 760.115604] ? rw_verify_area+0x118/0x360 [ 760.119745] do_splice_direct+0x2d4/0x420 [ 760.123894] ? splice_direct_to_actor+0x8f0/0x8f0 [ 760.128735] ? rw_verify_area+0x118/0x360 [ 760.132871] do_sendfile+0x623/0xe20 [ 760.136581] ? do_compat_pwritev64+0x1c0/0x1c0 [ 760.141159] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 760.146699] ? _copy_from_user+0xdf/0x150 [ 760.150837] __x64_sys_sendfile64+0x15d/0x250 [ 760.155334] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 760.159905] ? do_syscall_64+0x9a/0x820 [ 760.163869] do_syscall_64+0x1b9/0x820 [ 760.167757] ? finish_task_switch+0x1d3/0x890 [ 760.172239] ? syscall_return_slowpath+0x5e0/0x5e0 [ 760.177160] ? syscall_return_slowpath+0x31d/0x5e0 [ 760.182085] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 760.187450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 760.192285] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 760.197473] RIP: 0033:0x455ab9 [ 760.200656] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 760.219904] RSP: 002b:00007f3212e69c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 760.227618] RAX: ffffffffffffffda RBX: 00007f3212e6a6d4 RCX: 0000000000455ab9 [ 760.234895] RDX: 0000000020000180 RSI: 0000000000000015 RDI: 0000000000000014 [ 760.242152] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 760.249408] R10: 0a00004000000002 R11: 0000000000000246 R12: 0000000000000016 [ 760.256683] R13: 00000000004c0b3b R14: 00000000004d0978 R15: 0000000000000009 16:59:34 executing program 2: r0 = syz_open_dev$sndtimer(&(0x7f00000000c0)='/dev/snd/timer\x00', 0x0, 0x0) read(r0, &(0x7f0000000340)=""/26, 0xc) readv(r0, &(0x7f0000001680)=[{&(0x7f0000000140)=""/224, 0xe0}], 0x1) ioctl$SNDRV_TIMER_IOCTL_SELECT(r0, 0x40345410, &(0x7f0000000040)={{0x1}}) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x4000, 0x0) getsockopt$inet6_mtu(r1, 0x29, 0x17, &(0x7f0000000080), &(0x7f0000000100)=0x4) ioctl$SNDRV_TIMER_IOCTL_CONTINUE(r0, 0x54a2) ioctl$SNDRV_TIMER_IOCTL_CONTINUE(r0, 0x54a2) 16:59:34 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x4000000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:34 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:34 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x5024}, 0x0) 16:59:34 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 760.443856] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:34 executing program 7 (fault-call:8 fault-nth:10): r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:34 executing program 5: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$sequencer2(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2\x00', 0x0, 0x0) r0 = openat$rtc(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rtc\x00', 0x0, 0x0) ioctl$TIOCGETD(r0, 0x5424, &(0x7f0000000040)) ioctl$sock_inet_tcp_SIOCATMARK(r0, 0x80247009, &(0x7f0000000300)) 16:59:34 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x2000000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 760.742911] FAULT_INJECTION: forcing a failure. [ 760.742911] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 760.754881] CPU: 1 PID: 17329 Comm: syz-executor7 Not tainted 4.18.0-rc3+ #127 [ 760.762247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 760.771604] Call Trace: [ 760.774208] dump_stack+0x1c9/0x2b4 [ 760.777845] ? dump_stack_print_info.cold.2+0x52/0x52 [ 760.783045] ? __radix_tree_lookup+0x3dd/0x6e0 [ 760.787643] should_fail.cold.4+0xa/0x1a [ 760.791716] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 760.796828] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 760.801856] ? find_held_lock+0x36/0x1c0 [ 760.805925] ? find_held_lock+0x36/0x1c0 [ 760.810005] ? check_same_owner+0x340/0x340 [ 760.814335] ? rcu_note_context_switch+0x730/0x730 [ 760.819286] __alloc_pages_nodemask+0x36e/0xdb0 [ 760.823969] ? __alloc_pages_slowpath+0x2d90/0x2d90 [ 760.828998] ? trace_hardirqs_on+0x10/0x10 [ 760.833252] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 760.838275] ? percpu_counter_add_batch+0xf2/0x150 [ 760.843225] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 760.848263] ? __vm_enough_memory+0x590/0x980 [ 760.852777] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 760.858328] alloc_pages_vma+0xdd/0x540 [ 760.862314] shmem_alloc_page+0xa8/0x190 [ 760.866376] ? shmem_swapin+0x230/0x230 [ 760.870388] shmem_alloc_and_acct_page+0x1f1/0x820 [ 760.875331] ? shmem_alloc_hugepage+0x4e0/0x4e0 [ 760.880009] ? do_raw_spin_unlock+0xa7/0x2f0 [ 760.884426] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 760.889021] ? _raw_spin_unlock_irq+0x27/0x70 [ 760.893536] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 760.898561] shmem_getpage_gfp+0x6ea/0x41e0 [ 760.902905] ? shmem_writepage+0x1380/0x1380 [ 760.907353] ? print_usage_bug+0xc0/0xc0 [ 760.911429] ? print_usage_bug+0xc0/0xc0 [ 760.915533] ? print_usage_bug+0xc0/0xc0 [ 760.919616] ? __lock_acquire+0x7fc/0x5020 [ 760.923866] ? __lock_acquire+0x7fc/0x5020 [ 760.928137] ? trace_hardirqs_on+0x10/0x10 [ 760.932384] ? print_usage_bug+0xc0/0xc0 [ 760.936451] ? __lock_acquire+0x7fc/0x5020 [ 760.940695] ? update_load_avg+0x2de/0x2590 [ 760.945034] ? print_usage_bug+0xc0/0xc0 [ 760.949100] ? __lock_acquire+0x7fc/0x5020 [ 760.953341] ? update_load_avg+0x2de/0x2590 [ 760.957674] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 760.962698] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 760.967466] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 760.973046] ? page_mapping+0x44f/0x5e0 [ 760.977034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 760.982577] ? mark_page_accessed+0x672/0xd30 [ 760.987076] ? shmem_parse_options.cold.50+0x49/0x49 [ 760.992191] ? activate_page+0x9a0/0x9a0 [ 760.996260] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 761.001805] ? __set_page_dirty_no_writeback+0x14a/0x290 [ 761.007260] ? do_writepages+0x1a0/0x1a0 [ 761.011336] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 761.016356] ? sanity+0x238/0x330 [ 761.019817] ? do_writepages+0x1a0/0x1a0 [ 761.023887] ? kasan_check_write+0x14/0x20 [ 761.028123] ? copy_page_to_iter+0x534/0xf50 [ 761.032554] ? rcu_note_context_switch+0x730/0x730 [ 761.038870] ? check_same_owner+0x340/0x340 [ 761.043202] ? __save_stack_trace+0x8d/0xf0 [ 761.047544] shmem_file_read_iter+0x39f/0x1090 [ 761.052148] ? shmem_fallocate+0x12e0/0x12e0 [ 761.056572] ? lock_downgrade+0x8f0/0x8f0 [ 761.060731] ? kasan_check_read+0x11/0x20 [ 761.064883] ? rcu_is_watching+0x8c/0x150 [ 761.069033] ? rcu_report_qs_rnp+0x7a0/0x7a0 [ 761.073452] ? __lockdep_init_map+0x105/0x590 [ 761.077977] ? lockdep_init_map+0x9/0x10 [ 761.082059] ? debug_mutex_init+0x2d/0x60 [ 761.086212] ? __mutex_init+0x1f7/0x290 [ 761.090184] ? rcu_pm_notify+0xc0/0xc0 [ 761.094075] ? __ia32_sys_membarrier+0x150/0x150 [ 761.098837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 761.104374] ? fsnotify+0xbb4/0x14e0 [ 761.108186] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 761.113210] ? iov_iter_pipe+0xc2/0x2f0 [ 761.117194] generic_file_splice_read+0x5cd/0x9d0 [ 761.122048] ? add_to_pipe+0x360/0x360 [ 761.125952] ? rw_verify_area+0x118/0x360 [ 761.130106] ? add_to_pipe+0x360/0x360 [ 761.134022] do_splice_to+0x12e/0x190 [ 761.137838] splice_direct_to_actor+0x270/0x8f0 [ 761.142522] ? pipe_to_sendpage+0x400/0x400 [ 761.146852] ? do_splice_to+0x190/0x190 [ 761.150832] ? rw_verify_area+0x118/0x360 [ 761.154988] do_splice_direct+0x2d4/0x420 [ 761.159151] ? splice_direct_to_actor+0x8f0/0x8f0 [ 761.164011] ? rw_verify_area+0x118/0x360 [ 761.168174] do_sendfile+0x623/0xe20 [ 761.171904] ? do_compat_pwritev64+0x1c0/0x1c0 [ 761.176506] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 761.182050] ? _copy_from_user+0xdf/0x150 [ 761.186209] __x64_sys_sendfile64+0x15d/0x250 [ 761.190713] ? __ia32_sys_sendfile+0x2a0/0x2a0 [ 761.195301] ? do_syscall_64+0x9a/0x820 [ 761.199307] do_syscall_64+0x1b9/0x820 [ 761.203202] ? syscall_slow_exit_work+0x500/0x500 [ 761.208068] ? syscall_return_slowpath+0x5e0/0x5e0 [ 761.213013] ? syscall_return_slowpath+0x31d/0x5e0 [ 761.217958] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 761.223349] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 761.228209] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 761.233405] RIP: 0033:0x455ab9 [ 761.236591] Code: 1d ba fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 761.255997] RSP: 002b:00007f3212e69c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 [ 761.263730] RAX: ffffffffffffffda RBX: 00007f3212e6a6d4 RCX: 0000000000455ab9 [ 761.271019] RDX: 0000000020000180 RSI: 0000000000000015 RDI: 0000000000000014 [ 761.278301] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 761.285675] R10: 0a00004000000002 R11: 0000000000000246 R12: 0000000000000016 16:59:35 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0x0, 0x4000000000000000}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:35 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xffffff9e}, 0x0) 16:59:35 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:35 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f18000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:35 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) recvmsg(r0, &(0x7f0000001900)={0x0, 0x0, &(0x7f0000000480)=[{&(0x7f0000001540)=""/195, 0xc3}, {&(0x7f0000000180)=""/192, 0xc0}, {&(0x7f0000000080)=""/57, 0x39}, {&(0x7f0000001640)=""/155, 0x9b}, {&(0x7f0000001700)=""/239, 0xef}, {&(0x7f0000000280)=""/17, 0x11}], 0x6, &(0x7f0000001800)=""/200, 0xc8, 0x100000000}, 0x40) ioctl(r0, 0x4000008912, &(0x7f00000000c0)="295ee1311f16f477671070") set_mempolicy(0x4003, &(0x7f0000000040)=0x7fff, 0x7f) socket$inet6(0xa, 0x1200000000000002, 0x0) getsockname$packet(0xffffffffffffff9c, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @remote}, &(0x7f0000000300)=0x14) sendmsg(r0, &(0x7f0000000500)={&(0x7f0000000100)=@hci={0x1f, r1, 0x2}, 0x80, &(0x7f0000000200), 0x0, &(0x7f0000000340)=ANY=[@ANYPTR64=&(0x7f0000000240)=ANY=[@ANYRES32=0x0], @ANYRES64=0x0, @ANYBLOB="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"], 0x11, 0x80000000}, 0x40095) r2 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x400000, 0x0) ioctl$EVIOCGABS0(r2, 0x80184540, &(0x7f0000000540)=""/4096) 16:59:35 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x8050000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:35 executing program 2: r0 = memfd_create(&(0x7f00000000c0)="7dbf2a78892d764fd34a556b884fc44e1d3903c25662e82a6cdc43eba6e41224d1a37a7a85f41eccfcf6b65f5fcaef1b9d0e50771b4e5b81921550c50e061708af0a75d844397a9e52086a68cea96adaf842848d122eeb959a0ab24dc7d1874ec54f7322fc0cfafe", 0x0) setsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000001000)={0x10000, 0x4, 0x100, 0x400}, 0x6) r1 = socket(0x11, 0x80002, 0x0) setsockopt(r1, 0x107, 0xd, &(0x7f0000001000), 0xc5) mmap(&(0x7f0000ffc000/0x1000)=nil, 0x40000, 0x0, 0x12, r1, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX3(r1, 0x84, 0x6f, &(0x7f0000000140)={0x0, 0x68, &(0x7f0000000040)=[@in={0x2, 0x4e24, @remote={0xac, 0x14, 0x14, 0xbb}}, @in={0x2, 0x4e24, @rand_addr=0x4}, @in6={0xa, 0x4e23, 0x7, @ipv4={[], [0xff, 0xff], @broadcast=0xffffffff}, 0xfffffffffffffff3}, @in6={0xa, 0x4e23, 0xffff, @dev={0xfe, 0x80, [], 0x13}, 0x1}, @in={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x21}}]}, &(0x7f00000001c0)=0x10) getsockopt$inet_sctp_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000200)={r2, 0x9}, &(0x7f0000000240)=0x8) r3 = syz_open_procfs(0x0, &(0x7f0000000180)='numa_maps\x00') sendfile(r0, r3, &(0x7f0000000000), 0x7ffffffe) [ 761.292950] R13: 00000000004c0b3b R14: 00000000004d0978 R15: 000000000000000a [ 761.362592] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:35 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:35 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f00000003c0)="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") mmap(&(0x7f0000000000/0x1000)=nil, 0x1000, 0xfffffffffffffffe, 0x10012, r0, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(r0, 0x84, 0xa, &(0x7f0000000040)={0x1f, 0x7, 0x7, 0x4000000, 0x3, 0x8544, 0x9, 0x7, 0x0}, &(0x7f0000000080)=0x20) getsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f00000000c0)=@assoc_id=r1, &(0x7f0000000100)=0x4) ioctl$SG_GET_NUM_WAITING(r0, 0x80086601, &(0x7f0000000000)) 16:59:35 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x200004000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = accept4(r0, &(0x7f0000000000)=@generic, &(0x7f0000000080)=0x80, 0x80800) getsockopt$inet_IP_XFRM_POLICY(r1, 0x0, 0x11, &(0x7f0000000180)={{{@in=@local, @in=@multicast2}}, {{@in6=@dev}, 0x0, @in=@local}}, &(0x7f00000000c0)=0xe8) r2 = socket$inet_tcp(0x2, 0x1, 0x0) r3 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000280)='/proc/self/net/pfkey\x00', 0x400000, 0x0) ioctl$EVIOCGABS0(r3, 0x80184540, &(0x7f00000002c0)=""/137) setsockopt$inet_tcp_int(r2, 0x6, 0x22, &(0x7f0000cb9ffc)=0x1, 0x4) setsockopt$inet_tcp_TCP_CONGESTION(r2, 0x6, 0xd, &(0x7f0000000140)='highspeed\x00', 0xa) bind$inet(r2, &(0x7f0000c16ff0)={0x2, 0x1, @multicast1=0xe0000001}, 0x10) sendto$inet(r2, &(0x7f0000fa0fff), 0xffffffffffffffc3, 0x20020007, &(0x7f0000e97fcf)={0x2, 0x1, @loopback=0x7f000001}, 0x10) 16:59:35 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f0c000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:35 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:35 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xffffff7f}, 0x0) [ 761.641161] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:36 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180), 0xa00004000000002) 16:59:36 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xec030000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:36 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) shutdown(r0, 0x0) r1 = syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0x20, 0x0) ioctl$SNDRV_TIMER_IOCTL_NEXT_DEVICE(r1, 0xc0145401, &(0x7f00000001c0)={0x0, 0x7213c6723530ed3, 0x4, 0x200, 0x8}) getsockopt$inet_sctp_SCTP_ASSOCINFO(r1, 0x84, 0x1, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x9, 0x4}, &(0x7f00000000c0)=0x14) getsockopt$inet_sctp6_SCTP_MAXSEG(r1, 0x84, 0xd, &(0x7f0000000100)=@assoc_value={r2, 0x3}, &(0x7f0000000140)=0x8) openat$vga_arbiter(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter\x00', 0x24080, 0x0) 16:59:36 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0x0, 0x10000000}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:36 executing program 2: r0 = socket$key(0xf, 0x3, 0x2) r1 = openat$cgroup_ro(r0, &(0x7f0000000040)='cpuset.effective_cpus\x00', 0x0, 0x0) r2 = openat$rtc(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rtc0\x00', 0x0, 0x0) ioctl$KVM_IOEVENTFD(r1, 0x4040ae79, &(0x7f0000000140)={0x14000, &(0x7f0000000080), 0x8, r2, 0x8}) sendmsg$key(r0, &(0x7f0000000100)={0x0, 0x0, &(0x7f00008feff0)={&(0x7f00000001c0)=ANY=[@ANYBLOB="020e0000100000000000000000000000030006000000000002000000e00000010000000400000000080012000200020000000000002700003000000003030000004003000000000000000000000000000000000000000001ac1414bb000000000000000000000000030005000000000002000000e00000010000000000000000"], 0x80}, 0x1}, 0x0) socket$unix(0x1, 0x1, 0x0) sendmsg$key(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000240)={0x2, 0x1, 0x101, 0x5, 0x13, 0x0, 0x70bd2b, 0x25dfdbfb, [@sadb_x_kmaddress={0x8, 0x19, 0x0, @in6={0xa, 0x4e23, 0x622, @ipv4={[], [0xff, 0xff], @local={0xac, 0x14, 0x14, 0xaa}}, 0x1}, @in6={0xa, 0x4e21, 0x125, @local={0xfe, 0x80, [], 0xaa}, 0x19}}, @sadb_x_nat_t_port={0x1, 0x15, 0x4e21}, @sadb_x_policy={0x8, 0x12, 0x4, 0x3, 0x0, 0x6e6bb4, 0xf1dc, {0x6, 0x3e, 0x7, 0x4, 0x0, 0x2b, 0x0, @in6=@loopback={0x0, 0x1}, @in6=@local={0xfe, 0x80, [], 0xaa}}}]}, 0x98}, 0x1}, 0x800) socketpair$unix(0x1, 0x0, 0x0, &(0x7f0000000000)) 16:59:36 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x300000000000000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:36 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x50240000}, 0x0) 16:59:36 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f0b000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:36 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x406, r0) socket$alg(0x26, 0x5, 0x0) ioctl$TCSBRK(r1, 0x5409, 0x3d) ioctl(r0, 0x4000008912, &(0x7f0000000000)="295ee1311f16f477671070") socketpair$packet(0x11, 0x3, 0x300, &(0x7f00000000c0)) clock_gettime(0xb, &(0x7f0000000040)) pipe2(&(0x7f0000000080), 0x80000) 16:59:36 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xe00, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:36 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x9, 0xa00004000000002) 16:59:36 executing program 2: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='fdinfo/3\x00') r2 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r2, 0x8912, &(0x7f0000000280)="025cc83d6d345f8f760070") r3 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x0, 0x0) preadv(r3, &(0x7f0000001d40)=[{&(0x7f0000000800)=""/195, 0xc3}, {&(0x7f0000000900)=""/29, 0xfe4b}, {&(0x7f0000000940)=""/113, 0x71}, {&(0x7f00000009c0)=""/98, 0x62}, {&(0x7f0000000a40)=""/128, 0x80}, {&(0x7f0000000ac0)=""/103, 0x67}, {&(0x7f0000000b40)=""/164, 0xa4}, {&(0x7f0000000c00)=""/189, 0xbd}, {&(0x7f0000000cc0)=""/118, 0x76}, {&(0x7f0000000d40)=""/4096, 0x1000}], 0xa, 0x0) ioctl$sock_SIOCGPGRP(r1, 0x8904, &(0x7f0000000280)=0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(r1, 0x84, 0x1c, &(0x7f0000000180), &(0x7f00000001c0)=0x4) perf_event_open(&(0x7f00000000c0)={0x2, 0x70, 0x3f, 0xbc, 0x5, 0x3, 0x0, 0x401, 0x2640, 0x8, 0x5, 0x100000000, 0x101, 0x2, 0x7f, 0x8001, 0xff, 0x0, 0x762e, 0x7, 0x1000, 0xac, 0x0, 0x100000001, 0x2, 0x7, 0x6, 0x100000000, 0x9, 0x8001, 0x3, 0x0, 0x1ff, 0xb4e, 0x3, 0x5, 0xfff, 0x3, 0x0, 0x1, 0x1, @perf_config_ext={0x2, 0x8a25}, 0x0, 0x10000, 0x83b, 0x7, 0x3f, 0x8807, 0x4}, r4, 0xc, r0, 0x3) sendfile(r0, r1, &(0x7f0000000080)=0x9000000, 0x100000001) [ 762.510274] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:37 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0xc00e000000000000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:37 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r1 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000180)='/dev/autofs\x00', 0xc00, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f00000001c0)={0x1000}) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x80000, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r3, &(0x7f0000fe5000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f00000000c0)="266464f2f0806ead000f08c744240007000000c744240200980000c7442406000000000f011c24d0f0c4e1fc5a685866baa000ed66baf80cb8b14cb385ef66bafc0cb033ee0f20c035040000000f22c064f4c4e1781726", 0x57}], 0x1, 0x63, &(0x7f0000000200)=[@dstype0={0x6, 0xb}], 0x1) ioctl$FS_IOC_FSGETXATTR(r3, 0x801c581f, &(0x7f0000000040)={0x6, 0x5, 0x3, 0x7, 0x7}) ioctl$KVM_RUN(r3, 0xae80, 0x0) ioctl$KVM_GET_VCPU_EVENTS(r3, 0x4004ae99, &(0x7f0000000000)) 16:59:37 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xf005, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:37 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xb86b0000}, 0x0) 16:59:37 executing program 2: mknod$loop(&(0x7f0000000ff8)='./file0\x00', 0x3, 0xffffffffffffffff) lsetxattr(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000000)=@known='security.capability\x00', &(0x7f0000000080)="0000000201000000000000010400000000000000", 0x14, 0x0) epoll_create1(0x0) execve(&(0x7f0000000040)='./file0\x00', &(0x7f0000000300)=[&(0x7f00000001c0)="265ee2626465767070703000", &(0x7f0000000340)="245c364aee", &(0x7f0000000240)='selinuxnodev\x00', &(0x7f0000000280)="0000000201000000000000010400", &(0x7f00000002c0)=':\x00'], &(0x7f0000000180)) 16:59:37 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x4000000000000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 762.741691] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:37 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f08000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:38 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0x0, 0xffff0000}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:38 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xfffff2c3}, 0x0) 16:59:38 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0xc00e}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:38 executing program 5: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x0) r1 = accept4(r0, &(0x7f0000000000)=@pptp={0x0, 0x0, {0x0, @multicast2}}, &(0x7f0000000080)=0x80, 0x800) setsockopt$inet_sctp_SCTP_DISABLE_FRAGMENTS(r1, 0x84, 0x8, &(0x7f0000000100)=0x3, 0x4) ioctl(r0, 0x4000008912, &(0x7f00000000c0)="295ee1311f16f477671070") prctl$intptr(0x8, 0x6) 16:59:38 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x62, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:38 executing program 2: r0 = syz_open_dev$evdev(&(0x7f0000000100)='/dev/input/event#\x00', 0x3, 0x402) syz_open_dev$mice(&(0x7f0000000a40)='/dev/input/mice\x00', 0x0, 0x0) write$binfmt_elf32(r0, &(0x7f0000000140)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x9, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20}, [{}]}, 0x58) fcntl$F_SET_FILE_RW_HINT(r0, 0x40e, &(0x7f0000000000)=0x3) write$binfmt_elf32(r0, &(0x7f00000001c0)=ANY=[@ANYBLOB="7f454c460000000000000000000000000200010081000000"], 0x18) write$binfmt_elf64(r0, &(0x7f0000000380)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x38}, [{}]}, 0x78) 16:59:38 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f50000f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:38 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x300000000000000, 0xa00004000000002) 16:59:38 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x300}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 763.668129] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:38 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm\x00', 0x0, 0x0) ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x8000840, 0x0) ioctl$SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE(r1, 0x40045532, &(0x7f0000000280)=0x2) ioctl$KVM_SET_CPUID(0xffffffffffffffff, 0x4008ae8a, &(0x7f0000000240)=ANY=[@ANYBLOB="05000000000000000d0000402500000005000000000100000000004000000000010000000000000025000aadffffffff00040000000000200a00000006b3"]) getsockopt$inet6_IPV6_XFRM_POLICY(r1, 0x29, 0x23, &(0x7f0000000100)={{{@in6=@ipv4={[], [], @remote}, @in=@remote}}}, &(0x7f0000000200)=0xe8) syz_kvm_setup_cpu$x86(r0, r1, &(0x7f0000fe7000/0x18000)=nil, &(0x7f00000000c0)=[@text64={0x40, &(0x7f0000000300)="b9670300000f32460f235866b846000f00d02e0f01cac4014e59712e48b836080000000000000f23c80f21f8350800c0000f23f826660f1b6c190048b800180000000000000f23c80f21f835040010000f23f8dee6430f01c8", 0x59}], 0x1, 0x20, &(0x7f0000000280), 0x0) ioctl$KVM_SET_MSRS(0xffffffffffffffff, 0x4008ae89, &(0x7f0000000080)=ANY=[@ANYBLOB="01006fabb7897df81979b1f900000000feff8c"]) 16:59:38 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000140)="295ee1311f16f477671070254e9c7c5c88f735b4bf08406227db20e1cbfc") r1 = socket(0x10, 0x3, 0x64d) ioctl$sock_ifreq(r1, 0x89f0, &(0x7f0000000000)={"73697430000080000000000000000002", @ifru_ivalue=0x730000}) 16:59:38 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x70c72, 0xa00004000000002) 16:59:38 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x40030000000000}, 0x0) 16:59:38 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0xec0}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:38 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x10000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:38 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000000)="295ee1311f16f477671070") r1 = syz_open_dev$midi(&(0x7f0000000040)='/dev/midi#\x00', 0x10000, 0x101000) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f00000000c0)={0x6, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, &(0x7f0000000100)=0x1c) r2 = socket$inet6_udp(0xa, 0x2, 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}, 0x4}, 0x1c) r3 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r3, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r2, {0x2, 0x0, @multicast2=0xe0000002}, 0x4}}, 0x2e) sendmmsg(r3, &(0x7f0000005fc0)=[{{&(0x7f0000005680)=@sco={0x1f}, 0x80, &(0x7f0000005b00)}}, {{&(0x7f0000005b80)=@l2={0x1f}, 0x80, &(0x7f0000005c40), 0x0, &(0x7f0000005c80)}}], 0x2, 0x0) [ 763.858386] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:39 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0x0, 0x40000000}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:39 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f050c0f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:39 executing program 2: r0 = syz_open_dev$loop(&(0x7f0000000080)='/dev/loop#\x00', 0x0, 0x100082) r1 = memfd_create(&(0x7f0000000380)="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", 0x0) pwritev(r1, &(0x7f0000000340)=[{&(0x7f0000000140)='\'', 0x1}], 0x1, 0x81804) ioctl$LOOP_CHANGE_FD(r0, 0x4c00, r1) r2 = socket$inet6(0xa, 0x1, 0x0) ioctl(r2, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") sendfile(r0, r1, &(0x7f0000000040), 0x20000102000007) ioctl$LOOP_CLR_FD(r0, 0x4c01) close(r0) setsockopt$IPT_SO_SET_REPLACE(r1, 0x0, 0x40, &(0x7f00000004c0)=@filter={'filter\x00', 0xe, 0x4, 0x390, 0xffffffff, 0x118, 0x200, 0x200, 0xffffffff, 0xffffffff, 0x2f8, 0x2f8, 0x2f8, 0xffffffff, 0x4, &(0x7f0000000000), {[{{@ip={@multicast2=0xe0000002, @broadcast=0xffffffff, 0x0, 0xff, 'dummy0\x00', 'veth0_to_bridge\x00', {}, {}, 0x33, 0x0, 0xc}, 0x0, 0xf0, 0x118, 0x0, {}, [@common=@ah={0x30, 'ah\x00', 0x0, {0x5, 0x7a}}, @common=@ttl={0x28, 'ttl\x00', 0x0, {0x3, 0xfffffffffffffff9}}]}, @common=@unspec=@CONNSECMARK={0x28, 'CONNSECMARK\x00', 0x0, {0x2}}}, {{@uncond, 0x0, 0xc0, 0xe8, 0x0, {}, [@common=@inet=@socket1={0x28, 'socket\x00', 0x1, 0x1}]}, @common=@inet=@SET1={0x28, 'SET\x00', 0x1, {{0x2, 0x6, 0xffff}, {0x4, 0x2, 0x7}}}}, {{@uncond, 0x0, 0x98, 0xf8}, @common=@CLUSTERIP={0x60, 'CLUSTERIP\x00', 0x0, {0x1, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], 0x4, 0xf, [0x14, 0x3c, 0x25, 0x2c, 0xc, 0x28, 0x25, 0x39, 0x30, 0x16, 0x2d, 0x15, 0x3a, 0x32, 0x8, 0x3f], 0x0, 0x0, 0x6d5d18a1}}}], {{[], 0x0, 0x70, 0x98}, {0x28, '\x00', 0x0, 0xfffffffffffffffe}}}}, 0x3f0) 16:59:39 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$BLKIOOPT(r0, 0x1279, &(0x7f0000000000)) fcntl$getown(r0, 0x9) sendmsg$nl_generic(r0, &(0x7f00003cefe4)={&(0x7f0000000300)={0x10, 0x34000}, 0xc, &(0x7f0000007ff0)={&(0x7f0000000040)=ANY=[@ANYBLOB="180000002f00fd060000000000000000030000000400000050bdf6306017defc04b57271f67601a9982d28cb1940a2ec8d37d05fe727bc1e28792fdeb3b5347656edd7104037e9d9b4fb2026620567381088ecda6ecbe129f95bf6330110585fcad2fbf89231fac3fd3b8f70195d8d2b4cafd633069cdacd6c51af8abc76be8106892ac4e4d4b88a33260766a4871ba66d79d15000ff219e8c5dee53b6190893b012d8142c7a64b66f69d50c94f1b0b1f5d2e5cfd21268ece45f9ade3af2ea702de0d439e092c84ffe72c0483f0de5f0107ecc99db9af0f55ca90d37f523ed6dab845d1c25"], 0x18}, 0x1}, 0x0) r1 = dup(r0) ioctl$KVM_GET_DEBUGREGS(r1, 0x8080aea1, &(0x7f00000001c0)) r2 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000140)='/dev/hwrng\x00', 0x840, 0x0) ioctl$TIOCSWINSZ(r2, 0x5414, &(0x7f0000000180)={0x3, 0x0, 0x2, 0xcd2}) 16:59:39 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0xad370000}, 0x0) 16:59:39 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0xa0010000000000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:39 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x1000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:39 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x3, 0xa00004000000002) [ 764.838044] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:39 executing program 5: r0 = socket$inet6(0xa, 0x1000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000080)="0047fc2f07d82c99240970") r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000340)='/dev/kvm\x00', 0x0, 0x0) setsockopt$IP6T_SO_SET_ADD_COUNTERS(r0, 0x29, 0x41, &(0x7f00000000c0)={'filter\x00', 0x3, [{}, {}, {}]}, 0x58) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_SET_GUEST_DEBUG(r3, 0x4048ae9b, &(0x7f0000000180)={0x10001}) syz_kvm_setup_cpu$x86(r2, r3, &(0x7f0000fe5000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f0000000040)="410f0f1bbf66b82b000f00d8650fc76d9f48b86e000000000000000f23c00f21f835010003000f23f8b8010000000f01d966f00fb36800f3d2601bc744240003000000c744240200000000c7442406000000000f0114240fc2f179c744240018000000c744240204000000ff1c24", 0x6e}], 0x1, 0x0, &(0x7f00000002c0), 0x0) mknod(&(0x7f0000000000)='./file0\x00', 0x9102, 0x1) ioctl$KVM_RUN(r3, 0xae80, 0x0) 16:59:39 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0xffc99a3b00000000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:39 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x5d090000}, 0x0) 16:59:39 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = creat(&(0x7f0000000200)='./bus\x00', 0x0) ftruncate(r1, 0x8200) r2 = open(&(0x7f000000fffa)='./bus\x00', 0x14103e, 0x0) setsockopt$l2tp_PPPOL2TP_SO_DEBUG(r2, 0x111, 0x1, 0x2, 0x4) ioctl$SNDRV_TIMER_IOCTL_STATUS(r2, 0x80605414, &(0x7f0000000240)=""/164) mmap(&(0x7f0000001000/0xa000)=nil, 0xa000, 0x800002, 0x11, r2, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f00000000c0)=0x100000001, 0x151) connect$inet6(r0, &(0x7f0000000140)={0xa}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f0000000080)='tls\x00', 0x152) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x1, &(0x7f0000000100)={0x303, 0x33}, 0x28) sendmsg$TEAM_CMD_PORT_LIST_GET(r0, &(0x7f000000f840)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f000000f800)={&(0x7f0000000300)=ANY=[@ANYBLOB="aacaca91a422d95454add72746595e32d76a3c35799c41defc8e2e67a6bf2059d81700df5a5264c425084a151c8c5aa6de06a4bd172828d7292e0537d1af372bcf82158e8883bf230d7a6475b36eeb3c31b8ddcf4148582b615c4bc40f76605ce9d46b7dcfc817ac6bcf039cb1fc8aefa3c191f57607fafad3db76e04c1fc7ca3963d8760ad4ccd5a747ad8c12dec627e091"], 0x1}, 0x1}, 0x8000) r3 = socket$inet6(0xa, 0x1, 0x0) ioctl(r3, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") sendto$inet6(r0, &(0x7f00000005c0), 0xfffffdef, 0x0, &(0x7f0000000000)={0xa, 0x0, 0x0, @remote={0xfe, 0x80, [], 0xbb}}, 0x1c) 16:59:39 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x1000000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:39 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xf401000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:39 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0xb00000000000000, 0xa00004000000002) [ 765.051453] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:39 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05100f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:40 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0x0, 0x4000}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:40 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x400300}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:40 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0xca000000, 0xa00004000000002) 16:59:40 executing program 5: setsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000000)={@multicast2=0xe0000002, @rand_addr}, 0xffffffffffffffac) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040)={0xaa}) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x4) ioctl$UFFDIO_UNREGISTER(r0, 0x8010aa01, &(0x7f0000000000)={&(0x7f000069b000/0x1000)=nil, 0x1000}) r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f00000000c0)='cpuset.effective_mems\x00', 0x0, 0x0) getsockopt$netlink(r1, 0x10e, 0xa, &(0x7f0000000100)=""/4096, &(0x7f0000001100)=0x1000) openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0x80041, 0x0) 16:59:40 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x400300}, 0x0) 16:59:40 executing program 2: getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000140)={{{@in6=@mcast2, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@loopback}, 0x0, @in6=@mcast2}}, &(0x7f0000000240)=0xe8) stat(&(0x7f0000000280)='./file0\x00', &(0x7f00000012c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_fuseblk_mount(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='./file0\x00', 0x1, r0, r1, 0xffffffff, 0x1, 0x0) r2 = socket$inet6(0xa, 0x1, 0x0) ioctl(r2, 0x4000008912, &(0x7f0000000100)="2957e1311f16f477671070") r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000000)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc(camellia)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f00000028c0)="b7f2288a933d66593ae164c990a0028e", 0x10) r4 = accept$alg(r3, 0x0, 0x0) openat$urandom(0xffffffffffffff9c, &(0x7f0000001340)='/dev/urandom\x00', 0x400, 0x0) write$binfmt_script(r4, &(0x7f0000000300)=ANY=[], 0xffffffaa) recvmsg(r4, &(0x7f0000001480)={0x0, 0x0, &(0x7f00000013c0)=[{&(0x7f00000002c0)=""/4096, 0x1000}], 0x34, &(0x7f0000001400)=""/123, 0x2000147b}, 0x0) 16:59:40 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x4e23000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:40 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05300f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:40 executing program 5: r0 = socket$kcm(0x29, 0x5, 0x0) syz_open_dev$loop(&(0x7f00000000c0)='/dev/loop#\x00', 0xaff4, 0x4000) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snapshot\x00', 0x0, 0x0) ioctl(r0, 0x8912, &(0x7f0000000000)="0047fc2f07d82c99240970") r1 = socket$packet(0x11, 0x3, 0x300) getsockopt$packet_int(r1, 0x107, 0x13, &(0x7f0000000040), &(0x7f0000000080)=0x4) [ 766.041941] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:40 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x2, 0xa00004000000002) 16:59:40 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0xc00e0000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:40 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x9effffff}, 0x0) 16:59:40 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05140f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:40 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x4}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:40 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xe4ffffff00000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:40 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_int(r1, 0x0, 0xb, &(0x7f0000000000)=0x9, 0x4) setsockopt$inet6_MCAST_JOIN_GROUP(r0, 0x29, 0x2a, &(0x7f0000000140)={0x0, {{0xa, 0x4e23, 0x3, @dev={0xfe, 0x80, [], 0x19}, 0xfd}}}, 0x88) sendto$inet(r1, &(0x7f00000002c0), 0x0, 0x0, &(0x7f0000000280)={0x2, 0x4e20, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$inet_int(r1, 0x0, 0x14, &(0x7f00000000c0)=0x2, 0x4) recvmsg(r1, &(0x7f0000edffc8)={0x0, 0xfffffffffffffe58, &(0x7f0000000000), 0x0, &(0x7f0000000040)=""/81, 0x4b}, 0x40002102) [ 766.231782] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:41 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0x0, 0x10}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:41 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000000)={0x26, 'aead\x00', 0x0, 0x0, 'aegis128-generic\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="ab553fec94248c32e27d04000000288a", 0x10) r1 = socket$inet6(0xa, 0x1, 0x0) ioctl(r1, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r2 = accept$alg(r0, 0x0, 0x0) fcntl$setflags(r1, 0x2, 0x1) sendmsg$alg(r2, &(0x7f0000001380)={0x0, 0x0, &(0x7f0000000140), 0x0, &(0x7f00000004c0)=[@op={0x18, 0x117, 0x3, 0x1}, @assoc={0x18, 0x117, 0x4, 0x2f5}], 0x30}, 0x0) r3 = dup(r0) ioctl$KVM_DEASSIGN_PCI_DEVICE(r3, 0x4040ae72, &(0x7f00000001c0)={0x1a, 0x8, 0x2, 0x1ce7d1c0800e2ee6, 0x5}) write$binfmt_script(r2, &(0x7f0000000300)=ANY=[], 0xffffffaa) r4 = syz_open_dev$usbmon(&(0x7f00000000c0)='/dev/usbmon#\x00', 0x100000001, 0x1) ioctl$KVM_SET_VAPIC_ADDR(r4, 0x4008ae93, &(0x7f0000000180)=0xd000) readv(r2, &(0x7f0000000400)=[{&(0x7f0000000340)=""/131, 0xf}, {&(0x7f0000000140)=""/25, 0x19}, {&(0x7f00000013c0)=""/4096, 0x1000}], 0x3) 16:59:41 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x300}, 0x0) 16:59:41 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x2}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:41 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xfc000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:41 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0xe5002000, 0xa00004000000002) 16:59:41 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f0501fc89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:41 executing program 2: r0 = epoll_create1(0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) poll(&(0x7f00000000c0)=[{r0}], 0x1, 0x7be2) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r1, &(0x7f0000000000)) epoll_pwait(r0, &(0x7f0000000100)=[{}], 0x27b, 0xffffffff, &(0x7f0000e1d000), 0x8) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$inet_smc(0x2b, 0x1, 0x0, &(0x7f0000000040)) r2 = add_key$keyring(&(0x7f0000000080)='keyring\x00', &(0x7f0000000140)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xfffffffffffffff9) keyctl$set_timeout(0xf, r2, 0x1) epoll_ctl$EPOLL_CTL_MOD(r0, 0x3, r1, &(0x7f0000000180)={0x80000005}) [ 767.186114] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:41 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x2000000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:41 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x3000000, 0xa00004000000002) 16:59:41 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x9000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:41 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x1f000000}, 0x0) 16:59:41 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x3000000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:41 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05000689ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:41 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x40000000, 0xa00004000000002) [ 767.370099] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:41 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x1a000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:42 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {0x0, 0x1000000000000000}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:42 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x2000000}, 0x0) 16:59:42 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x234e, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:42 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x34000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:42 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0xb00, 0xa00004000000002) 16:59:42 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05000e89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:42 executing program 5: r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$ipvs(&(0x7f0000000100)='IPVS\x00') r1 = openat$cuse(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/cuse\x00', 0x8000, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000200)={0x0, 0x3, 0x7}, &(0x7f0000000240)=0x8) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r1, 0x84, 0x1f, &(0x7f0000000280)={r2, @in={{0x2, 0x4e24, @broadcast=0xffffffff}}, 0x2, 0x3}, &(0x7f0000000340)=0x90) r3 = syz_open_dev$midi(&(0x7f00000000c0)='/dev/midi#\x00', 0x308c, 0x80040) r4 = socket$inet6(0xa, 0x1, 0x0) ioctl(r4, 0x4000008912, &(0x7f0000000000)="295ee1311f16f477671070") sendmsg$nl_generic(r0, &(0x7f0000000000)={&(0x7f0000000180)={0x10, 0x40030000000000}, 0xc, &(0x7f0000000040)={&(0x7f0000000080)={0x1c, 0x2e, 0x119, 0x0, 0x0, {0x3}, [@nested={0x8, 0x0, [@typed={0x4, 0x1, @binary}]}]}, 0x1c}, 0x1}, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_UNLOCK(r3, 0x40405515, &(0x7f0000000140)={0x3, 0x3, 0x800, 0x61, 'syz0\x00', 0x63}) 16:59:42 executing program 2: r0 = memfd_create(&(0x7f0000000000)="40722773656c9e402294d8432d665c272d5b76626f786e65743000", 0x2) fcntl$addseals(r0, 0x409, 0x2) ftruncate(r0, 0x0) [ 768.366011] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:42 executing program 2: ioctl$TIOCGSID(0xffffffffffffff9c, 0x5429, &(0x7f0000000080)=0x0) sched_getscheduler(r0) perf_event_open(&(0x7f0000000140)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$alg(0x26, 0x5, 0x0) r2 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x4b1, 0x0) ioctl$SNDRV_CTL_IOCTL_RAWMIDI_PREFER_SUBDEVICE(r2, 0x40045542, &(0x7f0000000040)=0xff73) ioctl$sock_ifreq(r1, 0x89f0, &(0x7f0000000180)={'ip6tnl0\x00', @ifru_data=&(0x7f0000000140)="5224e6e5aace132d82f586fe257cc4982944825e9b3696090989018713b3c4da"}) [ 768.408964] openvswitch: netlink: Either Ethernet header or EtherType is required. 16:59:42 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x3b9ac9ff}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:42 executing program 5: r0 = socket(0x11, 0x100000803, 0x0) r1 = syz_open_dev$tun(&(0x7f0000000380)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000340)={'veth0_to_bond\x00', 0x1002}) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'yam0\x00', 0x4000}) ppoll(&(0x7f0000000080)=[{r1}], 0x1, &(0x7f00000000c0)={0x0, 0x989680}, &(0x7f0000000280), 0x8) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x0, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x18, 0xfa00, {0x4, &(0x7f0000000140)={0xffffffff}, 0x13f, 0x100a}}, 0x20) write$RDMA_USER_CM_CMD_JOIN_IP_MCAST(r2, &(0x7f0000000200)={0x10, 0x30, 0xfa00, {&(0x7f0000000100), 0x1, {0xa, 0x4e23, 0x1f, @dev={0xfe, 0x80, [], 0x21}, 0x3}, r3}}, 0x38) getsockopt$packet_buf(r2, 0x107, 0x2, &(0x7f0000000240)=""/3, &(0x7f00000002c0)=0x3) ioctl$SNDRV_CTL_IOCTL_TLV_WRITE(r2, 0xc008551b, &(0x7f00000004c0)=ANY=[@ANYBLOB="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"]) ioctl$sock_inet_SIOCSIFFLAGS(r0, 0x8914, &(0x7f0000000180)={'bcsh0\x00', 0xa1fa}) 16:59:42 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0xad37}, 0x0) 16:59:42 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x1fffff, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:42 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05001889ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) [ 768.610859] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:43 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x3}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:43 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0xc, 0xa00004000000002) 16:59:44 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x224e}, 0x0) 16:59:44 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = eventfd(0x0) ioctl$KVM_IRQFD(r1, 0x4020ae76, &(0x7f00000015c0)={r2}) r3 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcs\x00', 0x88000, 0x0) openat$cgroup_type(r3, &(0x7f0000000080)='cgroup.type\x00', 0x2, 0x0) ioctl$KVM_IRQFD(r1, 0x4020ae76, &(0x7f0000000040)={r2, 0x0, 0x2, r2}) 16:59:44 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:44 executing program 5: r0 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ppp\x00', 0x0, 0x0) setsockopt$bt_rfcomm_RFCOMM_LM(r0, 0x12, 0x3, &(0x7f0000000180)=0x3, 0x1c8) r1 = socket$inet6(0xa, 0x1, 0x0) ioctl$FS_IOC_RESVSP(r1, 0x40305828, &(0x7f0000000140)={0x0, 0x7, 0x100000000, 0x1}) ioctl(r1, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") syz_emit_ethernet(0xffffff68, &(0x7f00000001c0)={@local={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xaa}, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0x1b}, [], {@ipv6={0x86dd, {0x0, 0x6, '?:T', 0x14, 0x2f, 0x0, @remote={0xfe, 0x80, [], 0xbb}, @mcast2={0xff, 0x2, [], 0x1}, {[], @tcp={{0x0, 0x883e, 0x41424344, 0x41424344, 0x0, 0x0, 0x5}}}}}}}, &(0x7f00000004c0)={0x0, 0x0, [0x4a0, 0x20, 0x1]}) syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x7fff, 0x900) 16:59:44 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x40030000000000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:44 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xa00000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:44 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05500f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:44 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x142800, 0xa00004000000002) [ 769.778122] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:44 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x100000000000000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:44 executing program 5: r0 = syz_open_dev$dmmidi(&(0x7f0000000100)='/dev/dmmidi#\x00', 0x30, 0x1) r1 = socket$inet6(0xa, 0x1, 0x0) ioctl(r1, 0x4000008912, &(0x7f0000000040)="415ee1311f16f4b1671070") mmap(&(0x7f000067a000/0x4000)=nil, 0x4000, 0x2, 0x32, r1, 0x0) ioctl$int_out(r0, 0x5462, &(0x7f0000000000)) [ 769.851830] irq bypass consumer (token 0000000097f3ffdf) registration fails: -16 16:59:44 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0xb86b000000000000}, 0x0) 16:59:44 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x8055, 0xa00004000000002) 16:59:44 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xff00, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:44 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x200000000000000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:44 executing program 5: r0 = socket(0x1e, 0x4, 0x0) perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$sock_kcm_SIOCKCMUNATTACH(r0, 0x89e1, &(0x7f0000000040)={r0}) 16:59:44 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05000389ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:44 executing program 2: r0 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000bc0)='/dev/mixer\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_procfs$namespace(0x0, &(0x7f0000000100)='ns/uts\x00') getsockopt$inet_sctp6_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f0000000040)={0x0, 0x800}, &(0x7f0000000440)=0x8) setsockopt$inet_sctp_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f0000000680)={r1, @in={{0x2, 0x4e21, @broadcast=0xffffffff}}, 0x3, 0xffff, 0x21, 0xc7, 0x4}, 0x98) r2 = add_key$keyring(&(0x7f0000000140)='keyring\x00', &(0x7f00000002c0)={0x73, 0x79, 0x7a, 0x0}, 0x0, 0x0, 0xfffffffffffffff9) r3 = add_key$keyring(&(0x7f0000000300)='keyring\x00', &(0x7f0000000340)={0x73, 0x79, 0x7a, 0x3}, 0x0, 0x0, 0xfffffffffffffffa) keyctl$negate(0xd, r2, 0x4, r3) syz_open_dev$sndpcmp(&(0x7f0000000640)='/dev/snd/pcmC#D#p\x00', 0x0, 0x0) ioctl$KVM_SET_MSRS(r0, 0x4008ae89, &(0x7f0000000380)=ANY=[@ANYBLOB="0100000000000000f20000018000000000000048ec822947000042800f66a3e5703006c06363a52929487c5a7f0d9335c1ddc20886a46166b9000296835bc453f7bcdbf18cdc91e13d4be2e5516384d58f24fb4d67fa3116128f91b4b7ea97b86367feb984f96710b9cf8874230942e13ca22412380b981fd70019cefa9e9d7517a6c90b380b5bc932caab3400e5d1bfa4cbaacd"]) ioctl$TIOCLINUX7(0xffffffffffffffff, 0x541c, &(0x7f0000000080)={0x7}) syz_open_procfs$namespace(0x0, &(0x7f00000000c0)='ns/uts\x00') recvmsg(r0, &(0x7f0000000280)={&(0x7f0000000200)=@nfc_llcp, 0x80, &(0x7f0000000140), 0x0, &(0x7f0000000500)=""/213, 0xffffffffffffff21}, 0xfc) [ 770.011978] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:44 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0xffc99a3b}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:44 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0xc00e0000}, 0x0) [ 770.268832] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:45 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:45 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x84d5f30800000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:45 executing program 2: setsockopt$inet_sctp6_SCTP_RECVNXTINFO(0xffffffffffffffff, 0x84, 0x21, &(0x7f0000000640)=0x10001, 0x4) r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet_tcp(0x2, 0x1, 0x0) r2 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rfkill\x00', 0xc0, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f0000000480)={0x0, 0x18, 0xfa00, {0x3, &(0x7f00000001c0)={0xffffffff}, 0x113, 0x9}}, 0x20) r4 = fcntl$getown(r1, 0x9) ioctl$TIOCSPGRP(r2, 0x5410, &(0x7f0000000680)=r4) write$RDMA_USER_CM_CMD_QUERY_ROUTE(r2, &(0x7f00000004c0)={0x5, 0x10, 0xfa00, {&(0x7f0000000280), r3, 0x3}}, 0x18) write(r0, &(0x7f0000000140)="bc2a53619f0279fa6398f83041b3136ec813950caeb0eee31af71a3a70bb1878b44c76425a5ca26f4668b26fa6e4425b3093a9556d3952215f09489eb99ef449e5afc47ce641b19c076bbc635625cfd2681fe54de3342d29250ae9689b862f12d1736d5df7d6a666", 0x68) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r2, 0x84, 0x7b, &(0x7f0000000500)={0x0, 0x5c}, &(0x7f0000000540)=0x8) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER_VALUE(r2, 0x84, 0x7c, &(0x7f0000000580)={r5, 0x4, 0x1a1d}, &(0x7f00000005c0)=0x8) ioctl$KVM_GET_PIT(r2, 0xc048ae65, &(0x7f00000000c0)) getsockopt$IP_VS_SO_GET_VERSION(r1, 0x0, 0x482, &(0x7f0000000000), &(0x7f0000000040)=0x40) 16:59:45 executing program 5: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$l2tp(0x18, 0x1, 0x1) r2 = syz_open_dev$usbmon(&(0x7f0000000040)='/dev/usbmon#\x00', 0x400, 0x80200) ioctl$TUNSETNOCSUM(r2, 0x400454c8, 0x1) ioctl$VHOST_SET_VRING_KICK(r2, 0x4008af20, &(0x7f0000000080)={0xffffffffffffffff}) connect$l2tp(r1, &(0x7f00005fafd2)=@pppol2tpv3={0x18, 0x1, {0x0, r0, {0x2, 0x0, @multicast2=0xe0000002}, 0x4}}, 0x2e) accept4(r1, &(0x7f0000000100)=@hci, &(0x7f0000000180)=0x80, 0x80800) ioctl$sock_inet_SIOCGIFDSTADDR(r0, 0x8917, &(0x7f0000000000)={'ip6gre0\x00', {0x2, 0x4e21, @multicast2=0xe0000002}}) getsockopt$sock_buf(r1, 0x1, 0x1c, &(0x7f0000000600)=""/155, &(0x7f00000004c0)=0x3a) setsockopt$netlink_NETLINK_TX_RING(r2, 0x10e, 0x7, &(0x7f00000000c0)={0x5, 0xf3, 0x5, 0x401}, 0x10) 16:59:45 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05000c89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:45 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0xa00100}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:45 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x100000000000000, 0xa00004000000002) 16:59:45 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0xffffff7f}, 0x0) 16:59:45 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}, 0x40000}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 770.976773] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 770.990779] IPVS: length: 64 != 8 [ 771.015262] IPVS: length: 64 != 8 16:59:45 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x6c0c0700, 0xa00004000000002) 16:59:45 executing program 2: r0 = socket$inet6(0xa, 0x805, 0x0) open(&(0x7f0000000480)='./bus\x00', 0x8080, 0x80) ioctl(r0, 0x4000008912, &(0x7f0000000000)="295ee1311f16f477671070") r1 = socket$inet6(0xa, 0x400000000001, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x19, &(0x7f000074fffc)=0x3, 0x4) r2 = dup(r1) setsockopt$inet6_tcp_int(r2, 0x6, 0x20000000000002, &(0x7f00007b1000)=0x81, 0x4) bind$inet6(r2, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}, 0x2}, 0x1c) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000040)={0x0, 0x7, 0x30}, &(0x7f00000000c0)=0xc) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000003c0)={'veth1_to_bond\x00', 0x0}) ioctl$sock_inet6_SIOCADDRT(r0, 0x890b, &(0x7f0000000400)={@ipv4={[], [0xff, 0xff], @remote={0xac, 0x14, 0x14, 0xbb}}, @loopback={0x0, 0x1}, @mcast1={0xff, 0x1, [], 0x1}, 0xffffffffffff60a1, 0xff, 0x1ff, 0x500, 0x1, 0x81000088, r4}) fcntl$addseals(r1, 0x409, 0xe) getsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r2, 0x84, 0x9, &(0x7f00000001c0)={0x0, @in={{0x2, 0x4e20, @rand_addr=0x9}}, 0x5, 0x80000000, 0x7, 0xffffffffffffc91e, 0x10}, &(0x7f0000000140)=0x98) getsockopt$inet_sctp6_SCTP_STATUS(r1, 0x84, 0xe, &(0x7f0000000280)={r3, 0x3, 0x7, 0x8001, 0x8, 0x9, 0x9, 0x2, {r5, @in={{0x2, 0x4e24, @loopback=0x7f000001}}, 0x8, 0x5, 0x800, 0x6f, 0x6}}, &(0x7f0000000340)=0xfffffffffffffef0) ioctl$int_in(r1, 0x5452, &(0x7f0000000080)=0x5) sendto$inet6(r1, &(0x7f0000e77fff), 0x2bd, 0x20000008, &(0x7f00008d4fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) ioctl$sock_inet_SIOCSIFPFLAGS(r2, 0x8934, &(0x7f0000000380)={'ip6gretap0\x00', 0x4}) r6 = open(&(0x7f0000002000)='./bus\x00', 0x141042, 0x0) ftruncate(r6, 0x7fff) sendfile(r2, r6, &(0x7f0000000100), 0x8000fffffffe) 16:59:45 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000003fe8)={0xaa}) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_DISABLE_FRAGMENTS(r2, 0x84, 0x8, &(0x7f0000013e95), 0x4) r3 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000140)='/dev/ppp\x00', 0x2800, 0x0) ioctl$VT_OPENQRY(r3, 0x5600, &(0x7f0000000180)) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f00000000c0)={'veth1_to_bond\x00', &(0x7f0000000040)=ANY=[@ANYBLOB="330000c0000000009e7ed2987aafd88b039201e06e1fae8e04bf68b10c527a660000"]}) getsockopt$inet6_int(r0, 0x29, 0x4b, &(0x7f0000000000), &(0x7f0000000080)=0x4) close(r2) close(r1) 16:59:45 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x4001000000000000}, 0x0) 16:59:45 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xa000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:45 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:45 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00009e3ff6)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f00003b9fdc)) r1 = syz_open_pts(r0, 0x1) fcntl$setstatus(r1, 0x4, 0x2800) ioctl$TCXONC(r1, 0x540a, 0x0) write(r1, &(0x7f0000fd6000)='z', 0x1) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000939000)=0x40000001b) r2 = dup3(r1, r0, 0x0) getsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f0000000100)={@remote, @broadcast, 0x0}, &(0x7f0000000140)=0xc) getsockopt$inet_IP_XFRM_POLICY(r2, 0x0, 0x11, &(0x7f0000000180)={{{@in=@loopback, @in6=@remote, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in=@remote}, 0x0, @in6=@remote}}, &(0x7f0000000280)=0xe8) ioctl$TCSETS(r1, 0x5402, &(0x7f0000000040)={0x1, 0xf640, 0xc4, 0x5, 0x100, 0x9, 0x7, 0x7, 0xbb, 0x100000001, 0x6, 0x6b90}) sendmsg$nl_xfrm(r2, &(0x7f0000001440)={&(0x7f0000000000)={0x10}, 0xc, &(0x7f0000001400)={&(0x7f00000002c0)=@newpolicy={0x1104, 0x13, 0x800, 0x70bd28, 0x25dfdbfc, {{@in6=@ipv4={[], [0xff, 0xff], @rand_addr=0x7}, @in=@remote={0xac, 0x14, 0x14, 0xbb}, 0x4e22, 0xe61, 0x4e24, 0x6, 0x0, 0x80, 0x20, 0x4, r3, r4}, {0x2, 0xfffffffffffffffd, 0x7, 0xfffffffffffffe01, 0x4, 0x7, 0x0, 0x2}, {0x44e, 0x3, 0x101}, 0x396, 0x6e6bba, 0x2, 0x0, 0x1, 0x1}, [@sec_ctx={0x100c, 0x8, {0x1008, 0x8, 0x0, 0x0, 0x1000, "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"}}, @tfcpad={0x8, 0x16, 0x64}, @replay_val={0x10, 0xa, {0x70bd29, 0x70bd2c, 0xfffffffffffffe29}}, @address_filter={0x28, 0x1a, {@in6=@local={0xfe, 0x80, [], 0xaa}, @in6=@mcast2={0xff, 0x2, [], 0x1}, 0xa, 0xfff, 0x1f3}}]}, 0x1104}, 0x1, 0x0, 0x0, 0x4}, 0x2000c800) [ 771.246432] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:46 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:46 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x2000000, 0xa00004000000002) 16:59:46 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05001389ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:46 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:46 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xb000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:46 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x9effffff00000000}, 0x0) 16:59:46 executing program 2: perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x15, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x1, 0x400000000) ioctl(r0, 0x4000008912, &(0x7f0000000080)="295ee1311f16f477671070") prctl$intptr(0x1c, 0x0) 16:59:46 executing program 5: perf_event_open(&(0x7f00000001c0)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) writev(0xffffffffffffffff, &(0x7f00000000c0)=[{&(0x7f0000000000)='2', 0x1}], 0x1) r0 = syz_open_procfs(0x0, &(0x7f0000000080)="636c6561725f72656673007edb") writev(r0, &(0x7f00000000c0), 0x20000000000003fa) [ 772.160167] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:46 executing program 5: capset(&(0x7f0000be6ff8)={0x19980330}, &(0x7f000032e000)) r0 = syz_open_dev$vcsn(&(0x7f00000000c0)='/dev/vcs#\x00', 0x8, 0x68283) ioctl$BINDER_SET_MAX_THREADS(r0, 0x40046205, 0x6) getsockopt$inet_mreqn(r0, 0x0, 0x24, &(0x7f0000000040)={@multicast1, @loopback}, &(0x7f0000000080)=0xc) r1 = shmget$private(0x0, 0x1000, 0x0, &(0x7f0000ffc000/0x1000)=nil) shmat(r1, &(0x7f0000ffc000/0x3000)=nil, 0x0) r2 = semget(0x2, 0x0, 0x73) semctl$SETVAL(r2, 0x3, 0x10, &(0x7f0000000000)=0xfffffffffffffffa) 16:59:46 executing program 2: r0 = syz_open_dev$sndpcmc(&(0x7f0000000040)='/dev/snd/pcmC#D#c\x00', 0x0, 0x0) readv(r0, &(0x7f00000012c0)=[{&(0x7f00000011c0)=""/230, 0xe6}], 0x1) getsockopt$inet_dccp_buf(r0, 0x21, 0x8f, &(0x7f0000000080)=""/252, &(0x7f0000000000)=0xfc) fcntl$getflags(r0, 0x40b) 16:59:46 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0xffff0000, 0xa00004000000002) 16:59:46 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:46 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x5d09}, 0x0) 16:59:46 executing program 2: r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_CHECK_EXTENSION_VM(r0, 0xae03, 0x3) r1 = getpid() syz_open_procfs(r1, &(0x7f0000000040)='net/rt_cache\x00') syz_open_dev$dspn(&(0x7f0000000000)='/dev/dsp#\x00', 0xab5d, 0x80000) 16:59:46 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xf000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:46 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 772.378331] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:47 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:47 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05130f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:47 executing program 5: r0 = socket$unix(0x1, 0x1, 0x0) perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) execveat(0xffffffffffffffff, &(0x7f0000000000)='\x00', &(0x7f00000001c0), &(0x7f0000000240), 0x0) r1 = socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$fou(&(0x7f0000000100)='fou\x00') sendmsg$FOU_CMD_GET(r1, &(0x7f0000000200)={&(0x7f00000000c0)={0x10}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x14, r2, 0x1, 0x0, 0x0, {0x3}}, 0x14}, 0x1}, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f00000000c0)) connect$unix(r0, &(0x7f00000003c0)=@file={0x0, './file0\x00'}, 0x6e) 16:59:47 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x1f4, 0xa00004000000002) 16:59:47 executing program 2: perf_event_open(&(0x7f0000000140)={0x1, 0x70, 0x2, 0x0, 0x0, 0x0, 0x0, 0x6, 0x2000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000abe000)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) clone(0x0, &(0x7f0000000000), &(0x7f00000000c0), &(0x7f0000000240), &(0x7f0000000200)) r0 = socket$inet(0x2, 0x5, 0x0) setsockopt$inet_sctp_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000140)=@assoc_value={0x0, 0x8}, 0x8) setsockopt$inet_MCAST_MSFILTER(r0, 0x0, 0x30, &(0x7f0000000280)={0x200, {{0x2, 0x4e24, @multicast2=0xe0000002}}, 0x1, 0x2, [{{0x2, 0x4e23, @local={0xac, 0x14, 0x14, 0xaa}}}, {{0x2, 0x4e21, @local={0xac, 0x14, 0x14, 0xaa}}}]}, 0x190) r1 = socket$nl_xfrm(0x10, 0x3, 0x6) setsockopt$netlink_NETLINK_CAP_ACK(r1, 0x10e, 0xa, &(0x7f0000000000)=0x7, 0x4) 16:59:47 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x300000000000000}, 0x0) 16:59:47 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x10000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:47 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 773.328135] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:47 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:47 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket$inet6(0xa, 0x802, 0x0) setsockopt$inet6_opts(r1, 0x29, 0x39, &(0x7f0000000140)=@srh={0x0, 0xe, 0x4, 0x7, 0x78, 0x20, 0x0, [@mcast1={0xff, 0x1, [], 0x1}, @local={0xfe, 0x80, [], 0xaa}, @local={0xfe, 0x80, [], 0xaa}, @dev={0xfe, 0x80, [], 0x1d}, @remote={0xfe, 0x80, [], 0xbb}, @mcast1={0xff, 0x1, [], 0x1}, @loopback={0x0, 0x1}]}, 0x78) ioctl(r1, 0x4000008912, &(0x7f0000000080)="295ee1311f16f477671070") setsockopt$inet6_int(r0, 0x29, 0x19, &(0x7f0000548000)=0x1, 0x4) sendto$inet6(r0, &(0x7f0000737000), 0x0, 0x0, &(0x7f0000b85fe4)={0xa, 0x4e20, 0x0, @loopback={0x0, 0x1}}, 0x1c) setsockopt$inet6_int(r0, 0x29, 0x4, &(0x7f0000000100)=0x5, 0x4) recvmsg(r0, &(0x7f0000000400)={&(0x7f0000000000)=@nl=@proc, 0xc, &(0x7f0000000040), 0x0, &(0x7f00000003c0)=""/36, 0x24}, 0x2000) 16:59:47 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0xffffff7f00000000}, 0x0) 16:59:47 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x19fff, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:47 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) r1 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcs\x00', 0x0, 0x0) getsockopt$IPT_SO_GET_INFO(r1, 0x0, 0x40, &(0x7f00000000c0)={'security\x00'}, &(0x7f0000000180)=0x54) ioctl(r0, 0x4000008912, &(0x7f0000000000)="295ee1311f16f477671070") r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nullb0\x00', 0x4002, 0x0) io_setup(0x5b3, &(0x7f0000000040)=0x0) io_submit(r3, 0x111, &(0x7f0000001540)=[&(0x7f0000000140)={0x0, 0x0, 0xd, 0x0, 0x0, r2, &(0x7f0000000000), 0xfffffce4}]) 16:59:47 executing program 2: r0 = socket$kcm(0xa, 0x2, 0x0) setsockopt$sock_attach_bpf(r0, 0x10d, 0x6, &(0x7f00000000c0), 0x69b) 16:59:47 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 773.520723] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:48 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05110f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:48 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:48 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0xffffffffffffffff, 0xa00004000000002) 16:59:48 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x1f4, 0xa00004000000002) 16:59:48 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:48 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0xb86b0000}, 0x0) 16:59:48 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x1100000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:48 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05001289ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:48 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r0, 0x6, 0x13, &(0x7f0000000200)=0x100000001, 0x4) connect$inet6(r0, &(0x7f0000000000)={0xa}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f00000053c0)='tls\x00', 0x4) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x1, &(0x7f0000000100)={0x303, 0x25}, 0x28) [ 774.514578] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:49 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:49 executing program 5: r0 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_HMAC_IDENT(r0, 0x84, 0x18, &(0x7f0000000080), 0x4) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x40000, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(r0, 0x84, 0x7b, &(0x7f0000000040)={0x0, 0x7}, &(0x7f00000000c0)=0x8) setsockopt$inet_sctp6_SCTP_CONTEXT(r1, 0x84, 0x11, &(0x7f0000000100)={r2, 0x2}, 0x8) 16:59:49 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x6d0c070000000000, 0xa00004000000002) 16:59:49 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x4e220000}, 0x0) 16:59:49 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) rt_sigqueueinfo(0x0, 0x3a, &(0x7f0000000040)={0x0, 0x0, 0xffffffff}) openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x10000001000, 0x0) ioctl$LOOP_SET_BLOCK_SIZE(0xffffffffffffffff, 0x4c09, 0x2) 16:59:49 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='net/kcm\x00\b\x00') ioctl$IOC_PR_PREEMPT(r0, 0x401870cb, &(0x7f0000000000)={0x7f, 0x99e, 0x658, 0x387}) r1 = socket$kcm(0x29, 0x2, 0x0) sendmsg$kcm(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000080), 0x0, &(0x7f00000016c0)}, 0x40880) r2 = syz_open_dev$sndseq(&(0x7f0000000040)='/dev/snd/seq\x00', 0x0, 0x0) poll(&(0x7f0000000080)=[{r2, 0x110}, {r2, 0x60}, {r1, 0x220}, {r1, 0x4}, {r1}, {r0, 0x8000}], 0x6, 0x0) readv(r0, &(0x7f0000001680)=[{&(0x7f0000001480)=""/96, 0x60}, {&(0x7f0000001500)=""/135, 0x87}], 0x2) 16:59:49 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f0501fe89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:49 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xf00000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 774.753536] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:50 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:50 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:50 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x600, 0xa00004000000002) 16:59:50 executing program 2: r0 = socket(0x40000000015, 0x5, 0x0) bind$inet(r0, &(0x7f0000fc4000)={0x2, 0x0, @remote={0xac, 0x14, 0x14, 0xbb}}, 0x10) sendmmsg(r0, &(0x7f0000573000)=[{{&(0x7f0000000000)=@in={0x2, 0x0, @local={0xac, 0x14, 0xffffffffffffffff, 0xaa}}, 0x80, &(0x7f0000001180)=[{&(0x7f0000000080)="8021648eebd7ed17bcaf588618b16275cc5696b9b8c14f7e605809541963364673268d45ff6eb2b3513a7775cd29bd5d4a4b2e4b617aec0705e2525e267edb6796b07909565e4020df0401007f426f25ec39f2c4947c980112bb6a55fca5e3e0b6652a51d3a9c07a3d61f0543a7359f6700470f90d0c1575f64842eef756f5f38e6764fe3255373b0cf2c3bd757844303c84721518ffc7eef5ec9ee576f48c684af75ac69e0f5c268642ac792e8e3ce887a85f86af5ef713339798bfbaa2a328f810b215e0955d0303e3c59bf00998554e74b5aa9e05b7b8c9a1a97f5a1d5d42e4cd41d0f379e9c6eb7adb9243747b055b9881588dd419e22443d15c2dcd84a705518fdd076ac629c3c1bf686008f2b5e5b8b466d21c5fffac524301443879d7b0c6bedab5554dac6e9c30e6d22d4762ee69e424cd38aa23972fc5ece9734c790995169fd57b2d44da9c4196a11004df92858afc604a05f49f7df1e08bfecf8d5e994cb3bc4784cfc8d9d308ab2cdd6fafeec64dc943b58e8d59ef1253b4fb198107db296bfc63f0d19e0725772cb0162f800557fede2b2c18805f35ce3f5f343c87ebf6769b4a60d528a951b3ec2809e6968becc9cd12310f5d01ca8ec55e5a1fc00c69a189188b38c089d8e91c695b41e8e0ebb0f4194d5d96e6502d70d9fe7238622050cac76ca201cc27c0292051c6550fd121f851ad8afef7aec6e1bbc3996a4eb0fc045472ec948f0d425c0a7865266f0e679b0c92e49d3fa7d0762cc0c300c0ff015b065d46bf7a76dbff711aeaea6ff9eb90942616324bcdb861b5ce69b31da5b4435bb9b673d3e50fb280732e0e863a3caf9a191e42114ce6955a8501f61376d34d61c1a3f8030991ee739be3f55205740bc5e528d22eec6ce17251963c34c5bc7cf606c904cebc3c11114664af533da4580368d224fd2da3539347c6a8895bb63ffe0a301980de773e644c6e2e4c80720e9c5c1b407ea6f797cdde6f10e85f9689484f92ffb23c3ee7bbce5f90b91a75b6ff0ed37aae802edf0ff7c2a5e61240e72f263f21535bc971a01583e54e7b1f17b9bd5941e7421b4c926a48211caee17d1ed8ef3778253d03c9426cf9f0fd0ff418870a845349afe6850388183c4fa3c59e0f75aa382fb068cc7a3578aa5f04b813d0fff03ed493384156e72bba6373d55680a0f1c58f4234661167ea0bab79cd267ffc88d000b3945985c5bdec8ea503d85edaddab7254d84a403eb55de693334d0e14e6fa48410bc52461a2cf075ac1b7348258b8011ab34360ba7a6102fe67a08e368ef0b730888a1adb7a4f29b8d19cdd0414ba9e3ea83226cd51a5e9a5bb339e8821f90cdd46cbc3e5bbe209c7f7de6436ee4829d2d5067ccd355eb1a24b17d5a9821205f139013dd63bb92516d8a7d1addb9f25addff53e78c7fde5f06c1347a69f56219b29a6dd9d6edcc41669778ee602939a2f43567801d40de57cf4af2d36f10107eb9b5ee90379629287277f5047935c3d651941c7eb6804ec43bd12fca55bfb65a08a673fb39798fb2acc25b6d2cb17fefeb48908abf7fddb5bc582e17f98a08b70fdf7007bb69b08afcd3f12148c96135dbe0cbfac34cc5329b195bdfb1a857be981990d40feb55e419a9094cd8e5cd547b326af0ed09bbb97efe8cd67cd267162d082ac13d81f1645592057020974006ab1fcb82962b48bd853eabb201560a133992d341de0c87837077dd6968b2b8bfa50e2aeb838c056158cdc063664dbb50b44279db901fb1a2e9952e1da773e4e16028065ed29785d7d1a417af5aa0943784127bce70223b425ef764460277ece5fff75140ceaee4ed3b2c693cf64a88a31fc22c589e933a36ec444422de82e3feea66abe79bc93d849873653caf6138b1d7511046dd27a44d473e3521df8b7c5d741a0ea240113b812e38a7ef7b90e324b901fd229c8a6df59799d7118f8bddd8f3a4063f96cb4aafcc755499768d646f9e2c294d7e9836f19c8c10b68344a35e4b5fcce85eb5eba17556a8f840c63f00d89090edbc9340f90ee7088bf2c5d68a5c9e1ea961f8499e36bd81ddfd2092895c437c17615f15a8fb0b1c599cc88b47a7ed96bea7ac75bac851691bd90d46c96bf75435088401b18ccc05e5fef65f6684ea5e1181a03f981cf27886fcb2f6fd7a01c5be03c52312f1af8468eb04947ebab67f40d8cecc96f588dfe665a335b152ac25bd0eef4b646b217fc82188d7b5f3878f0fbe79bd5ef8699edc43fed1f79f0e440f933e1aab1f158e42e6a1bc16a13b389cc6ab86ab1e8ba8af1741a52ee7d1e3e5800c629218a7270818a543d76a10820a637ae22d308a7d36219ffa879ed2343dd5bff3cd27b189dddf3a63b5f3baaaefddbd6c72d2cc46666639aebc04bf4af661ee688873d0b3c5b9b0b62a59791b506d9a48fd412cff02060b7cd669cca5da032273367237eeda975e567e7a183e4f542691b0b256eade01e487136138b196aa0d909f63c19e4201a661b20bc6f8414ec43d80a009a272c8560c8c6ebfbb8ba38304952a1262992e4cc9a20d35945be95c82b841ad6185cee517de018e085d5d50523d1ed2f248a91e52eacf7d97b939144094223b84e605ecd99c086d632f1f601c96e41677464028e0421f955d16a72915fc4f26b4d8f37ad940291cf9b8cf01fdd59272c1bb16f43795263922a28474f99dce71d41d42a15863999679209dadb1ce6174ad4bc9059ee4fe3ab9dff703348c309cee293f17fc3b0713f17817720aa3b107fe15f1e28712c603619b179d6f96c11bb03f669ce56f2c469bb7dacb8fe097283e7e8de3d4708a600c3ca55dc24fbbc6c15557fbbde49a9365acd79b282e3cc30d6e12a542c2632e21105c85af05f60cc9df0840a73a429ca4a4d48fcd3c67a895a5489ee0592a8d592d83ed114b42bbe06fb9c0d615e5895d05bb0ef58db36e06fe5e4a3cbfcba83caff9c31b1a8e77eecb55efe7bed213b2a03d3ac5dd60382183dc65436e86568ee4cf5f0839995cad73f947265a53d55350ebda3c079bc38fafed87f993f6a85dc2878b98f35e7269275e5cb59a415bf63191cfe964bf3e4a05a62a574beb2896279a4b0caa380040f14aaafd3de3324a5d0e11be5391bedfd4cafb2e9d664fb0b8239e2d192f59a70567a7017ef4b9f8f1a77a2f883de823d8d4aa645f7fbe510f22bce8b07b146e601e887b7342ce9dd1ec992af9f135a4a09fbbb1b19f3583336a341dfafa73397397b1614781be24830ec50e22d6b9d2738fce6b00a36dfd023f2d8d0e5966aaaba0c5754a25c0676c4ff7238373318687be003f403e23c8b12c4cbfa7e4ae4c08d2d55dadf87d4ee6ad8a627eec1cb9e071b7a1e385da64f1747abb75e712baf9e9e8f1b21e31e22267d3e4324bfbf5cbc0c2f9339ff8314cbd6e828db4fd595e94f5660b120ef5ab22d9b8b7c650cb0245a1377507d9052f45d2641ba044245fe27fb65fb95e47a597a6e1e0b0bf46911a2aed1cd34058e176240dfd7a5697c35fa44b57ba5ff87fca1163cf9be114ce099f3c37a8176c8d76a107fe0a1205667a2d1e0de5e8defebce48b5a3528502765bd6d79ae0c9e84e521155b96ef6ee3b88bf6c8c590bd9aa564d7cf02e8993b562ed4275ae3593c206e6bdf4e96e94910752d87573f25d7ddcf0e143697e5389f85360faa31fd0cba1236df5a4486ee737bf4d9e393c0904c547aec7ae20c6ebe1597c0dc199d9b6c5c90588ba5fbc23128e1f4803a8f397131a7231e7cb7f398ca321c3f676f661f892f26fe3c5baf9ca6d8debcecfdfc4ba2ec45fbbbfba798d1b521a35eaeff7e3df4472fa52c10f22d601998ba89426a1bbfc453c1d800b525de3cb6483317049fe07b4d5e334fe8407540e226a134cba23ba9c109f6755b493831f018227ffb5304c231f518632abf298d839e58fe5d5005c73c4427ab90d17909268c106939b98ec36a76199ac262eb50bbe859aca69374b71a66c439ded7295d188648d128d28df728b9fdf0d2679dc8e143d4f0a65ff699b7626fcde374c4ad45a84e4894c67f792894f7f3b11af888ce4813e9a5d51c3814fee526aa353d841f66c73ad45a4f756fb465a4201f6d297ef0acac607a8f67025e298b809c2995527d3cbe570e400089c92858b90e1467eca6c3af6d331c925884b419bfcbe706f2759e2a48fb5ad0e437c4ce8ce67fbdaee2355c89e0bcd063e9959dc89410f5f3fdbbfdbd258196d70ebbb1e9b6e7ec7e987aaafae8c22c77332a0402d174153923635ea35e3fe0972a588b7ac1545a30f5c34559b41adb12fd076e145234316698cd9ed0b16bb61b50940a2b473132577e21a8102baa4f82a11733c5bf7fbe9104d9dfc0a490ff0da23a13de1a2ed3bd00f602e28c9219e83d87f7901e9f45e04dd14ba1be4df0bbccd8e9eb0182ba961496fb3d2010a4a188cc6da12e84a6856cdcf91abb30a32773e29da290fe0314cd017cafac19525e08efbbd2f446c80cd83cdd0acc49cdfdfb9739f0be2370c478450a7d651276986f01b7edef1dce99d9b38dc1a41266e6ef633795a495daaac315ea7eb3e7c5b2f09682e424a74bd74c8da1b91a4938865fbbc6b6ba98912073372d2f6458a0038f02448c2bc32743de0e8a341a1fc068d2e2b6aaebb030f2272fbef19f942bac92c1f15d3fe2f7a8efe541835e0b3a803f1e098b847bccfbefdb37aa8075bf77e361593ff983e78a9a953637f0a6e7adc5f0ff743af061e53249a581fc4e5208f427856d165c2eebdf80f165f75ed41f00a0a2b6b9ac22e4394c2e9bb7857a34d37869bb640ab936a68dd0a4bbe37b2abb238ed09c7f309eef19739c9f724b09ebadb174dbee06896d9e2a4f2da3320c4bf9c22370cd281be1c8e32cf16601306db98abec55b692912c0d9d0fcee4b1b9062b2c2d677ec06adc35962dddc2765dc060d7cd338b541720dea34ce39477a28a4c6a2514e264c83e8ee1c38714b86afeb3c62d04ffb0e6d319e2b6f64d2693be7cb52a083afce178d6bcd40bc78452cfca28291f2b2b6904168aa4c60886361515ed7dcfd81e9ee3c6f22303e6f2415ccd69dac7a6fcaa7dd985d2c175cce33a54b0017d5f28ff535801f0a2d1e2ad7c9f3d0f85029954890ecf3b1ece57c618fa246b1609d14bf24eaa570c261d1166eb504faeb02bba1d81cd0076da0dad8ed93b0eca65227684e9e0c4f0b762c31eee93e404b104578beea182d9e7ffd440f8bdba3bf9b178f7080b6d1479b7f844389e0b2b6ad75ed2d7aa17af211de1947a48c317fe17db01e0df9e1a18fd3d7fe13e1578cfd58d3a6de149371039b4869b8ae6ad65d7242eead965e10874069e477bae9194afe7950f3aa56067f472de9dbea865114735377aef34de60d416ae3c5ba706f1d8971954f0fdfb79357a8648247286c9d85cc7ac02c82122388f9f445738f18c4de678ff5796b68b4cedfec7391363daad2f1d50cfca5cc2aebc0883176d33", 0xf2b}], 0x1, &(0x7f0000a50000)=[{0x10, 0x114, 0xffffffff00000002}], 0x10}}], 0x1, 0x0) 16:59:50 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet6(0xa, 0x2, 0x0) r2 = syz_open_dev$vcsa(&(0x7f0000000000)='/dev/vcsa#\x00', 0x206, 0xa0000) setsockopt$sock_attach_bpf(r0, 0x1, 0x32, &(0x7f0000000040)=r2, 0x4) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x0, 0x0, @dev={0xfe, 0x80}, 0x7}, 0x1c) setsockopt$sock_int(r1, 0x1, 0x28, &(0x7f0000000180)=0xde66, 0x4) 16:59:50 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x100000000000000}, 0x0) 16:59:50 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xc0050000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:50 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05000589ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:50 executing program 2: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7fffffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_emit_ethernet(0x6e, &(0x7f0000000040)={@random="cd390b081bf2", @link_local={0x1, 0x80, 0xc2}, [], {@ipv6={0x86dd, {0x0, 0x6, "02290f", 0x38, 0x3a, 0x0, @ipv4={[], [0xff, 0xff], @rand_addr}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@pkt_toobig={0x2, 0x0, 0x0, 0x0, {0x0, 0x6, "9433df", 0x0, 0xffffff84, 0x0, @mcast2={0xff, 0x2, [], 0x1}, @dev={0xfe, 0x80}, [], "802a08000000006b"}}}}}}}, 0x0) 16:59:50 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 775.649230] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:50 executing program 5: unshare(0x64000400) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000380)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = eventfd(0x8c6) ioctl$KVM_IRQFD(r1, 0x4020ae76, &(0x7f0000000000)={r2, 0x0, 0x3}) 16:59:50 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x2000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:50 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0xfffff000}, 0x0) [ 775.795186] IPVS: ftp: loaded support on port[0] = 21 16:59:50 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:50 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05050f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:50 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCGPTPEER(r0, 0x402c542d, 0x0) syz_open_pts(r0, 0x200) ioctl$TCXONC(r0, 0x540a, 0x3) [ 775.910821] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:51 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:51 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:51 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xffffffff00000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:51 executing program 2: r0 = socket$inet6(0xa, 0xf, 0x0) ioctl(r0, 0x800000008912, &(0x7f0000000100)="0047fc2f07d82c9924097011b218a214e5f10314daec5e534fd058328ab9c4ff73dea2a797759dbd3d86d397") r1 = syz_open_dev$tun(&(0x7f0000000280)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f00000000c0)={"d202b999cf85000000000088f301e710", 0x102}) ioctl$TUNSETQUEUE(r1, 0x400454d9, &(0x7f0000000000)={'vhan0\x00', 0x400}) r2 = syz_open_dev$usbmon(&(0x7f0000000200)='/dev/usbmon#\x00', 0x9, 0x40000) setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(r2, 0x10e, 0x8, &(0x7f0000000240)=0x6, 0x4) r3 = syz_open_dev$tun(&(0x7f0000000280)='/dev/net/tun\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_RTOINFO(0xffffffffffffffff, 0x84, 0x0, &(0x7f0000000080)={0x0, 0x7, 0x7, 0xfffffffffffffff9}, &(0x7f0000000140)=0x10) getsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000380)=@assoc_id=r4, &(0x7f00000001c0)=0x1) setsockopt$inet6_tcp_TLS_TX(r0, 0x6, 0x1, &(0x7f0000000340)={0x303, 0x33}, 0x4) setsockopt$inet_sctp6_SCTP_AUTH_ACTIVE_KEY(r2, 0x84, 0x18, &(0x7f0000000180)={r4, 0xb1b3}, 0x8) ioctl$TUNSETIFF(r3, 0x400454ca, &(0x7f00000000c0)={"d202b999cf85000000000088f301e710", 0x102}) ioctl$TUNSETQUEUE(r1, 0x400454d9, &(0x7f0000000040)={'erspan0\x00', 0x600}) socket$inet6(0xa, 0x8000b, 0x8) getsockopt$inet6_tcp_TCP_REPAIR_WINDOW(r0, 0x6, 0x1d, &(0x7f00000002c0), &(0x7f0000000300)=0x14) 16:59:51 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x281400, 0xa00004000000002) 16:59:51 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x3000000}, 0x0) 16:59:51 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x20000, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x0, 0x0) ioctl$TUNSETVNETBE(r2, 0x400454de, &(0x7f0000000040)=0x1) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f0000000500)="0f0866b8ed008ec066ba4000b000eed2a807000000410f01cab98e0b0000b862000000ba000000000f30b90b0800000f320fc72a8f2a60128f00000000003000000fc7aa00100000", 0x48}], 0x1, 0x5d, &(0x7f0000000580), 0x0) ioctl$KVM_SET_CPUID(0xffffffffffffffff, 0x4008ae8a, &(0x7f00000002c0)=ANY=[@ANYBLOB='\x00\x00\x00\x00\x00\x00\x00']) openat$full(0xffffffffffffff9c, &(0x7f0000000080)='/dev/full\x00', 0x10000, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) 16:59:51 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05080f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:51 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 776.795857] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:51 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x14280000000000, 0xa00004000000002) 16:59:51 executing program 2: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dsp\x00', 0x20000, 0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000180)={{&(0x7f0000ffd000/0x2000)=nil, 0x2000}, 0x3}) r1 = socket$inet6(0xa, 0x1, 0x0) ioctl(r1, 0x4000008912, &(0x7f00000001c0)="295ee1311f16f477671070") r2 = syz_open_dev$sndpcmc(&(0x7f00000000c0)='/dev/snd/pcmC#D#c\x00', 0x4, 0x20080) fcntl$getownex(r1, 0x10, &(0x7f0000000200)={0x0, 0x0}) ptrace$cont(0x18, r3, 0x1, 0x3) ioctl$TUNSETIFF(r2, 0x400454ca, &(0x7f0000000140)={'veth1\x00', 0xc00}) getsockopt$inet_pktinfo(0xffffffffffffffff, 0x0, 0x8, &(0x7f0000000000)={0x0, @rand_addr}, &(0x7f0000000040)=0xc) ioctl$PIO_UNISCRNMAP(r2, 0x4b6a, &(0x7f0000000480)="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") ioctl$sock_inet6_SIOCSIFADDR(r1, 0x8916, &(0x7f0000000080)={@empty, 0x6f, r4}) timer_create(0x3, &(0x7f0000000400)={0x0, 0x12}, &(0x7f0000000440)) timer_settime(0x0, 0x1, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, &(0x7f0000d43000)) 16:59:51 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x1f00000000000000}, 0x0) 16:59:51 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:51 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xfec00000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:51 executing program 2: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x400000890e, &(0x7f0000000100)="295ee1311f16f477671070") r1 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000240)='/dev/rfkill\x00', 0x0, 0x0) ppoll(&(0x7f0000000300)=[{r1}], 0x1, &(0x7f0000000340)={0x0, 0x989680}, &(0x7f0000000380), 0x8) 16:59:51 executing program 5: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/vhost-net\x00', 0x2, 0x0) ioctl$int_in(r0, 0xaf01, &(0x7f0000000180)) r1 = socket$inet6(0xa, 0x3, 0x3c) ioctl(r1, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") mmap(&(0x7f0000000000/0xd25000)=nil, 0xd25000, 0xffffffffffffffff, 0x32, 0xffffffffffffffff, 0x0) ioctl$VHOST_GET_VRING_BASE(r0, 0x4008af14, &(0x7f0000000040)) [ 777.091830] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:52 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:52 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:52 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05030f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:52 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0xd000000, 0xa00004000000002) 16:59:52 executing program 2: r0 = creat(&(0x7f0000000040)='./file0\x00', 0x0) io_setup(0x7, &(0x7f0000000000)) getsockopt$inet_IP_XFRM_POLICY(r0, 0x0, 0x11, &(0x7f0000000100)={{{@in=@broadcast, @in=@rand_addr, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@mcast1}, 0x0, @in=@broadcast}}, &(0x7f0000000200)=0xe8) bind$xdp(r0, &(0x7f0000000240)={0x2c, 0x5, r1, 0xd, r0}, 0x10) ioctl$FIDEDUPERANGE(r0, 0xc0189436, &(0x7f00000000c0)) 16:59:52 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000240)={0x26, 'skcipher\x00', 0x0, 0x0, 'ecb(cast5-generic)\x00'}, 0x58) r1 = syz_open_dev$adsp(&(0x7f0000000140)='/dev/adsp#\x00', 0x6, 0x800) ioctl$sock_inet_tcp_SIOCINQ(r1, 0x541b, &(0x7f0000000180)) shmget$private(0x0, 0x1000, 0x2, &(0x7f0000ffe000/0x1000)=nil) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000ff8000)="0a0775b005", 0x5) sendmmsg$alg(0xffffffffffffffff, &(0x7f0000003e80)=[{0x0, 0x0, &(0x7f0000002a80), 0x167, &(0x7f0000000100)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) socket$alg(0x26, 0x5, 0x0) recvmsg(0xffffffffffffffff, &(0x7f0000000000)={&(0x7f00000012c0)=@alg, 0x80, &(0x7f00000000c0)=[{&(0x7f0000001200)=""/187, 0xbb}], 0x1, &(0x7f0000fb3fa9)=""/87, 0x57}, 0x0) getsockopt$bt_BT_POWER(r1, 0x112, 0x9, &(0x7f00000001c0)=0xfff, &(0x7f0000000200)=0x1ea) 16:59:52 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0xf000}, 0x0) 16:59:52 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xe, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 777.976890] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:52 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:52 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000004c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'pcbc(cipher_null)\x00'}, 0x6b) r1 = accept4(r0, 0x0, &(0x7f0000000380)=0xffffffffffffff84, 0x0) sendto$packet(r1, &(0x7f0000000000)='d', 0x1, 0x0, &(0x7f0000000300)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @dev={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa]}}, 0x14) r2 = syz_open_dev$dspn(&(0x7f0000000100)='/dev/dsp#\x00', 0xffffffff80000000, 0x101004) ioctl$TIOCLINUX2(r2, 0x541c, &(0x7f0000000280)={0x2, 0x9f7a, 0x7, 0x5, 0x2, 0x8}) ioctl$KVM_ASSIGN_SET_INTX_MASK(r2, 0x4040aea4, &(0x7f00000002c0)={0x400000000, 0x4b34, 0x4, 0x4, 0x80000001}) recvmsg(r1, &(0x7f0000000240)={&(0x7f0000000040)=@can, 0x80, &(0x7f00000000c0)=[{&(0x7f0000000140)=""/250, 0xfa}], 0x1}, 0x0) 16:59:52 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x8, 0xa00004000000002) 16:59:52 executing program 5: r0 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vsock\x00', 0x200000, 0x0) ioctl$TCGETA(r0, 0x5405, &(0x7f0000000040)) 16:59:52 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x3e8, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:52 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:52 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05090f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:52 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x300}, 0x0) [ 778.317426] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:53 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr={0xffff000000000000}}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:53 executing program 2: r0 = socket$alg(0x26, 0x5, 0x0) r1 = openat$audio(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio\x00', 0x200000, 0x0) ioctl$TIOCSCTTY(r1, 0x540e, 0x6a90) bind$alg(r0, &(0x7f0000000200)={0x26, 'aead\x00', 0x0, 0x0, 'seqiv(rfc4543(gcm(aes-generic)))\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f00000001c0)="d179f20600000000001c14b1048c5b1bd2e7fcd330451c64b8614fcff9671a5cf54ab025", 0x24) r2 = accept$alg(r0, 0x0, 0x0) sendmmsg$alg(r2, &(0x7f0000002c80)=[{0x0, 0x0, &(0x7f0000000080), 0x0, &(0x7f00000000c0)=[@op={0x18, 0x117, 0x3, 0x1}], 0x18}], 0x1, 0x0) ioctl$TIOCGPTPEER(r0, 0x5441, 0x7) write$binfmt_misc(r2, &(0x7f0000001500)=ANY=[], 0x4cba) recvmmsg(r2, &(0x7f0000004200)=[{{&(0x7f0000002cc0)=@vsock={0x0, 0x0, 0x0, @host}, 0x80, &(0x7f0000004080)=[{&(0x7f0000004000)=""/76, 0x4c}], 0x1, &(0x7f0000004100)=""/238, 0xee}}], 0x1, 0x0, &(0x7f0000004300)) openat$ppp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ppp\x00', 0x80000, 0x0) 16:59:53 executing program 5: bpf$MAP_CREATE(0x0, &(0x7f0000346fd4)={0x0, 0x0, 0x0, 0x4}, 0x2c) r0 = memfd_create(&(0x7f0000000000)='GPL\x00', 0x2) getsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r0, 0x84, 0x1f, &(0x7f0000000240)={0x0, @in={{0x2, 0x4e23, @rand_addr=0x10000}}, 0x7, 0x8}, &(0x7f0000000300)=0x90) getsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000340)={r1, 0xa65}, &(0x7f0000000380)=0x8) getsockopt$inet_sctp_SCTP_ASSOCINFO(r0, 0x84, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x7, 0x83, 0x99f, 0x4}, &(0x7f0000000140)=0x4) setsockopt$inet_sctp6_SCTP_CONTEXT(r0, 0x84, 0x11, &(0x7f0000000100)={r2, 0x1fe0000}, 0x8) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_REM(r0, 0x84, 0x65, &(0x7f0000000040)=[@in={0x2, 0x4e24, @loopback=0x7f000001}, @in={0x2, 0x4e21, @dev={0xac, 0x14, 0x14, 0xa}}, @in6={0xa, 0x4e20, 0x3, @ipv4={[], [0xff, 0xff], @dev={0xac, 0x14, 0x14, 0xb}}, 0x1ff}], 0x3c) getsockopt$inet_sctp_SCTP_GET_ASSOC_NUMBER(r0, 0x84, 0x1c, &(0x7f00000000c0), &(0x7f0000000200)=0x4) bpf$PROG_LOAD(0x5, &(0x7f0000b7a000)={0x1, 0x5, &(0x7f0000000180)=ANY=[@ANYBLOB="1800000000000000100000000000720e92613443d774d21c34000071100800000000004000000000cc028519869ba859881a58602a985c4c64fc2e53ab715cca6353e0b17f31df83140e2f0627ea44cbc74870ac777208c6815495711b6106c3ca835a1235fff5f5a16fc74d4d243b80d96aba028503062efbfdaafcaf"], &(0x7f0000f6bffb)='GPL\x00', 0x0, 0x299, &(0x7f00001a7f05)=""/251}, 0x18) 16:59:53 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:53 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xb00000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:53 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0xc3f2ffff}, 0x0) 16:59:53 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x710c070000000000, 0xa00004000000002) 16:59:53 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05001189ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:53 executing program 2: r0 = openat$rfkill(0xffffffffffffff9c, &(0x7f0000000000)='/dev/rfkill\x00', 0x28000, 0x0) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r0, 0xc0bc5310, &(0x7f0000000040)) ioctl$int_in(r0, 0x5452, &(0x7f0000000100)=0x9) ioctl$SNDRV_SEQ_IOCTL_QUERY_NEXT_PORT(r0, 0xc0a85352, &(0x7f0000000140)={{0xffff, 0x1144}, 'port1\x00', 0x2, 0x2, 0x1, 0x8001, 0x9, 0x2, 0x8, 0x0, 0x6, 0x9}) setsockopt$bt_BT_VOICE(r0, 0x112, 0xb, &(0x7f0000000200)=0x6, 0x2) setsockopt$inet_tcp_int(r0, 0x6, 0x2, &(0x7f0000000240)=0x6, 0x4) symlink(&(0x7f0000000280)='./file0\x00', &(0x7f00000002c0)='./file0\x00') r1 = socket(0x13, 0x6, 0x401) write$cgroup_pid(r0, &(0x7f0000000300)={[0x31]}, 0x1) getsockopt$inet6_opts(r0, 0x29, 0x3b, &(0x7f0000000340)=""/146, &(0x7f0000000400)=0x92) ioctl$SNDRV_SEQ_IOCTL_GET_CLIENT_INFO(r0, 0xc0bc5310, &(0x7f0000000440)) ioctl$KVM_GET_SREGS(r0, 0x8138ae83, &(0x7f0000000500)) ioctl$TIOCGSID(r0, 0x5429, &(0x7f0000000640)=0x0) ioctl$sock_SIOCSPGRP(r0, 0x8902, &(0x7f0000000680)=r2) ioctl$GIO_FONTX(r0, 0x4b6b, &(0x7f00000006c0)=""/46) r3 = add_key$keyring(&(0x7f0000000700)='keyring\x00', &(0x7f0000000740)={0x73, 0x79, 0x7a, 0x1}, 0x0, 0x0, 0xfffffffffffffffc) r4 = add_key(&(0x7f0000000780)='dns_resolver\x00', &(0x7f00000007c0)={0x73, 0x79, 0x7a, 0x1}, &(0x7f0000000800)="e6351c445dc773fb29d23cf736a31287a33bd3816d4ff7aa92a8c7dd3907d03dcc7e8e43bb80182ce528334b7c33bcd914ab09df896e2ef09f6bc2c08ce3633251e0a39ae322b825fb1dc4fb745563044a228e5d034ebfd128e957e7a14a7af8189d5d6debc0039f361fdba887c333a31d6c06044f1d252426ac2acd943765c5dc1c6dac795b0a2cb6ccd18a5fccf633e5f66ebcb3c84227d53bf95639e4da33b8add441566d2d932ed40ee51cc389f56a8588103c0ad1ce61c5226602b0774f235c2a91a5a1d88c45802efeb05b27d12049546819", 0xd5, 0xfffffffffffffff8) keyctl$link(0x8, r3, r4) ioctl$sock_inet_sctp_SIOCINQ(r1, 0x541b, &(0x7f0000000900)) keyctl$assume_authority(0x10, r4) setsockopt$IP_VS_SO_SET_ADDDEST(r0, 0x0, 0x487, &(0x7f0000000940)={{0x5f, @dev={0xac, 0x14, 0x14, 0xc}, 0x4e24, 0x1, 'fo\x00', 0x17, 0x100, 0x75}, {@empty, 0x4e23, 0x0, 0x3, 0x3, 0x9}}, 0x44) recvmsg(r0, &(0x7f0000000ac0)={&(0x7f00000009c0)=@nl, 0x80, &(0x7f0000000a40), 0x0, &(0x7f0000000a80)=""/24, 0x18, 0x8}, 0x40010002) openat$uinput(0xffffffffffffff9c, &(0x7f0000000b00)='/dev/uinput\x00', 0x840, 0x0) r5 = shmget(0x1, 0x2000, 0x1000, &(0x7f0000ffc000/0x2000)=nil) shmctl$SHM_INFO(r5, 0xe, &(0x7f0000000b40)=""/231) socket$vsock_stream(0x28, 0x1, 0x0) timerfd_gettime(r0, &(0x7f0000000c40)) keyctl$read(0xb, r3, &(0x7f0000000c80)=""/106, 0x6a) keyctl$instantiate(0xc, r3, 0x0, 0x0, r4) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r1, 0x2405, 0xffffffffffffffff) [ 779.192540] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:53 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:53 executing program 5: r0 = creat(&(0x7f0000000000)='./file0\x00', 0x100) ioctl$BLKPBSZGET(r0, 0x127b, &(0x7f0000000040)) read$eventfd(r0, &(0x7f0000000080), 0x8) r1 = mq_open(&(0x7f00000000c0)=']!GPLsystemlowlan0md5sumnodevkeyring\x00', 0x800, 0x0, &(0x7f0000000100)={0x401, 0x8, 0xffffffff, 0x7fff, 0x6, 0x40, 0x100000001, 0x7fffffff}) getsockopt$inet6_dccp_buf(r0, 0x21, 0xf, &(0x7f0000000140)=""/4096, &(0x7f0000001140)=0x1000) getsockopt$inet_sctp6_SCTP_MAX_BURST(r0, 0x84, 0x14, &(0x7f0000001180)=@assoc_value={0x0}, &(0x7f00000011c0)=0x8) r3 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000001200)='/dev/sequencer\x00', 0x2, 0x0) getsockopt$inet_sctp_SCTP_CONTEXT(r3, 0x84, 0x11, &(0x7f0000001240)={r2, 0x9}, &(0x7f0000001280)=0x8) fstat(r1, &(0x7f00000012c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) r6 = openat$uinput(0xffffffffffffff9c, &(0x7f0000001340)='/dev/uinput\x00', 0x0, 0x0) ioctl$TCSBRKP(r6, 0x5425, 0x7) r7 = syz_open_dev$amidi(&(0x7f0000001380)='/dev/amidi#\x00', 0xfff, 0x2000) getsockopt$inet6_opts(r7, 0x29, 0x3b, &(0x7f00000013c0)=""/33, &(0x7f0000001400)=0x21) ioctl$TCSBRK(r3, 0x5409, 0x0) write$binfmt_elf64(r6, &(0x7f0000001440)={{0x7f, 0x45, 0x4c, 0x46, 0x1, 0x8001, 0x100, 0x4, 0x3, 0x2, 0x0, 0xfffffffffffffffc, 0x13a, 0x40, 0xce, 0x6, 0x4, 0x38, 0x2, 0x5, 0x7, 0x2}, [{0x7, 0x8, 0x80, 0xfffffffffffffffa, 0x200, 0x5, 0x12, 0x9}], "67e4eceac1861e227f43b43912dbb4c92cf507b257cd4a9919b9ed505abfb8865c0ecd84502061d0bc987b699b4eb129b95ea735dc8b081d49121fc9f253ed54520d11d9d37bf104faed876197dff3c7635dd393f3", [[]]}, 0x1cd) ioctl$SG_GET_RESERVED_SIZE(r3, 0x2272, &(0x7f0000001640)) open_by_handle_at(r6, &(0x7f0000001680)={0x45, 0xe000000, "2868dd9715aa409e7fe1cec0001af63cb2f198fb28e7390f777aaa963cdf9743b92aacfd15d5413683c03cc087f1db70e6dc828f735ab37b6bfb69dc55"}, 0x8000) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f0000001700)={r2, @in6={{0xa, 0x4e23, 0x0, @dev={0xfe, 0x80, [], 0x12}, 0x81}}, 0x1f, 0x20, 0x3, 0x80000001, 0x7}, &(0x7f00000017c0)=0x98) ioctl$EVIOCGID(r7, 0x80084502, &(0x7f0000001800)=""/241) ioctl$SCSI_IOCTL_SYNC(r7, 0x4) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(r6, 0x84, 0x75, &(0x7f0000001900)={r2, 0x80000000}, 0x8) connect$vsock_dgram(r3, &(0x7f0000001940)={0x28, 0x0, 0x2711, @reserved=0x1}, 0x10) connect$pptp(r6, &(0x7f0000001980)={0x18, 0x2, {0x2, @broadcast=0xffffffff}}, 0x1e) accept$inet6(r3, 0x0, &(0x7f00000019c0)) setsockopt$inet_sctp_SCTP_I_WANT_MAPPED_V4_ADDR(r7, 0x84, 0xc, &(0x7f0000001a00)=0xb3c, 0x4) r8 = semget(0x1, 0x1, 0x284) semctl$IPC_SET(r8, 0x0, 0x1, &(0x7f0000001a40)={{0x81, r4, r5, r4, r5, 0x30, 0xfffffffffffffffa}, 0x2, 0x6820b4c2, 0x3}) fcntl$notify(r7, 0x402, 0x0) socket$inet6(0xa, 0x0, 0x3) openat$rdma_cm(0xffffffffffffff9c, &(0x7f0000001ac0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) 16:59:53 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x500000000000000, 0xa00004000000002) 16:59:53 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xf0050000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:53 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x4e22}, 0x0) 16:59:53 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:53 executing program 2: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000002c0)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$netlink(0x10, 0x3, 0xf) r1 = socket$inet6(0xa, 0x5, 0x0) ioctl(r1, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") sendmsg$nl_route_sched(r0, &(0x7f00000000c0)={&(0x7f0000000040)={0x10}, 0xc, &(0x7f0000000080)={&(0x7f0000000880)=ANY=[]}, 0x1}, 0x0) writev(r0, &(0x7f00000000c0)=[{&(0x7f0000000000)="48000000140019eca54dcbeafd0d8c560a84ffe00600000000000000a2bc5603ca00000f7f81001e362d6f53000101ff0000000309ff5bffff00c7e5ed5e00000000000000b32b2d", 0x48}], 0x1) r2 = syz_open_dev$adsp(&(0x7f0000000300)='/dev/adsp#\x00', 0x2, 0x100) ioctl$KVM_SET_CPUID(r2, 0x4008ae8a, &(0x7f0000000340)={0x5, 0x0, [{0x80000001, 0x2, 0x0, 0x80000000, 0x1}, {0xc0000008, 0x0, 0x2d21, 0x9, 0xfffffffffffff21c}, {0xc0000007, 0x4be0, 0xffffffffffffffff, 0x5, 0x6}, {0xc0000001, 0x9, 0x200, 0x1, 0x1}, {0x80000009, 0x8000, 0x8, 0xda1d, 0x7}]}) getsockopt$inet_sctp_SCTP_PR_ASSOC_STATUS(0xffffffffffffff9c, 0x84, 0x73, &(0x7f0000000140)={0x0, 0x6, 0x0, 0x9, 0xffffffff00000001}, &(0x7f0000000200)=0x18) getsockopt$inet_sctp_SCTP_PR_SUPPORTED(r0, 0x84, 0x71, &(0x7f0000000240)={r3, 0x7a}, &(0x7f0000000280)=0x8) [ 779.442612] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:54 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr={0x10000000}}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:54 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05180f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:54 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x6b0c0700, 0xa00004000000002) 16:59:54 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:54 executing program 2: mkdir(&(0x7f0000f4eff8)='./file0\x00', 0x0) mount(&(0x7f0000000080)='./file0\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000200)='aio\x00', 0x1000, &(0x7f0000000240)) chdir(&(0x7f0000000040)='./file0\x00') chmod(&(0x7f00000001c0)='../file0\x00', 0x6) eventfd(0x9) symlink(&(0x7f0000000140)='..', &(0x7f00000000c0)='./file0\x00') umount2(&(0x7f0000000000)='../file0\x00', 0x2) r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xfffffff7ffffffff, 0xffffffffffffffff, 0x0) syz_fuse_mount(&(0x7f0000000180)='../file0\x00', 0x1000, 0x0, 0x0, 0x0, 0x0) ioctl$FS_IOC_GETFSLABEL(r0, 0x81009431, &(0x7f0000000280)) 16:59:54 executing program 5: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000000)='/dev/cuse\x00', 0xa2115e4a0c44b880, 0x0) ioctl$KVM_SET_IRQCHIP(r1, 0x8208ae63, &(0x7f0000000040)={0x2, 0x0, @ioapic={0x3000, 0x100, 0xfff, 0x9, 0x0, [{0x8, 0xffffffff, 0x6, [], 0x2}, {0x694, 0x1ff, 0x6, [], 0x2}, {0x5, 0x2, 0x2, [], 0x7fffffff}, {0x1f, 0xffffffffffff1e1f, 0x0, [], 0x422d}, {0x6, 0xcfc, 0x3f, [], 0x8}, {0x190, 0x4, 0x30000000000, [], 0x7ba}, {0x5, 0x5, 0x8c1, [], 0x7}, {0x8, 0x7, 0x40, [], 0x3}, {0x7, 0x5, 0x10000, [], 0xfffffffffffffff8}, {0x1, 0x4, 0x1000000000, [], 0x200}, {0x8, 0xffff, 0x0, [], 0x7}, {0x80, 0xcab8, 0x8, [], 0x4db5}, {0x2, 0xece, 0x9}, {0x8, 0x10000, 0x0, [], 0x4d8}, {0x6, 0x5, 0x0, [], 0xec5}, {0x1ff, 0x7f, 0x1, [], 0x4}, {0x2, 0x1f, 0x4ff, [], 0x3}, {0x17f08132, 0x2, 0x80000000, [], 0x7a}, {0x7, 0x1f, 0x10001, [], 0xaded}, {0x96, 0x326b, 0x401, [], 0x101}, {0x100000000, 0x7, 0x7f, [], 0x100010000000}, {0x6, 0xffffffff00000000, 0x4, [], 0x5}, {0x8c, 0x7fff, 0x6, [], 0xa0}, {0xfffffffffffffffa, 0x8, 0x7, [], 0xc112}]}}) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_SET_LAPIC(r3, 0x4188aea7, &(0x7f0000000180)={"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"}) 16:59:54 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x4001}, 0x0) 16:59:54 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xa00, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) [ 780.357615] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:54 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:54 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0xc00000000000000, 0xa00004000000002) 16:59:54 executing program 2: r0 = socket$inet6(0xa, 0x41000000000002, 0x0) ioctl(r0, 0x8912, &(0x7f0000000040)="025cc83d6d345f8f760070") r1 = socket$nl_generic(0x10, 0x3, 0x10) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/qat_adf_ctl\x00', 0x10000, 0x0) sendmsg$nl_generic(r1, &(0x7f0000000080)={&(0x7f0000000480)={0x10}, 0x83, &(0x7f0000000440)={&(0x7f0000000380)={0x14, 0x22, 0x1, 0x0, 0x0, {0x5801}}, 0x14}, 0x1}, 0x0) close(r1) 16:59:54 executing program 5: r0 = socket$inet6(0xa, 0x1, 0x0) r1 = bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000040)={&(0x7f0000000000)='\x00', 0xffffffffffffff9c}, 0x10) ioctl$LOOP_CLR_FD(r1, 0x4c01) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r2 = openat$mixer(0xffffffffffffff9c, &(0x7f0000000180)='/dev/mixer\x00', 0x80026000, 0x0) setsockopt$SO_ATTACH_FILTER(0xffffffffffffffff, 0x1, 0x1a, &(0x7f0000000080)={0x1, &(0x7f0000000140)=[{0x200007f, 0xca1aa4c, 0x1, 0x800}]}, 0x10) ioctl$sock_inet6_tcp_SIOCOUTQNSD(r2, 0x894b, &(0x7f00000000c0)) 16:59:54 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x1f00}, 0x0) 16:59:54 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xfa03, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:54 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:55 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x4000000000000000, 0xa00004000000002) [ 780.541549] mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium [ 780.641393] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 780.698694] mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium 16:59:55 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x1, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:55 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f050e0f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:55 executing program 5: r0 = syz_open_dev$sndctrl(&(0x7f0000000000)='/dev/snd/controlC#\x00', 0x0, 0x0) ioctl$SNDRV_CTL_IOCTL_ELEM_READ(r0, 0xc4c85512, &(0x7f0000000240)={{0x3, 0x0, 0x0, 0x0, 'syz1\x00'}}) 16:59:55 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr={0xffff0000}}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:55 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0xa00000000000000, 0xa00004000000002) 16:59:55 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0xc00e}, 0x0) 16:59:55 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xfffffff5, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:55 executing program 2: r0 = socket$inet6(0xa, 0x8, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dsp\x00', 0x200, 0x0) ioctl$FIONREAD(r1, 0x541b, &(0x7f0000000040)) socketpair$unix(0x1, 0x5, 0x0, &(0x7f000001a000)={0xffffffffffffffff, 0xffffffffffffffff}) openat$rtc(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rtc0\x00', 0xa4002, 0x0) setsockopt$SO_ATTACH_FILTER(r2, 0x1, 0x1a, &(0x7f0000ab9ff0)={0x2, &(0x7f000039a000)=[{0x20, 0x0, 0x0, 0xfffffffffffff01c}, {0x6}]}, 0x10) 16:59:56 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000200)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @loopback={0x0, 0x1}}}}, 0x108) r1 = syz_open_dev$dmmidi(&(0x7f0000000000)='/dev/dmmidi#\x00', 0x0, 0x400080) setsockopt$inet6_group_source_req(r0, 0x29, 0x2e, &(0x7f0000000340)={0x0, {{0xa, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}, {{0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}}}}, 0x108) r2 = socket$inet6(0xa, 0x8000000000000802, 0x0) getsockopt$inet_sctp_SCTP_GET_PEER_ADDR_INFO(r1, 0x84, 0xf, &(0x7f0000000080)={0x0, @in6={{0xa, 0x4e24, 0x4, @ipv4={[], [0xff, 0xff], @loopback=0x7f000001}, 0x1348}}, 0x7, 0x782, 0x200, 0x43, 0x3}, &(0x7f0000000140)=0x98) getsockopt$inet_sctp6_SCTP_PEER_AUTH_CHUNKS(r1, 0x84, 0x1a, &(0x7f00000004c0)=ANY=[@ANYRES32=r3, @ANYBLOB="55000000d654024dff12b65483b4b31f3a64f5c2471af049d322b56f6bb4442d7f30520aa6412a9dfee848cd59b3547860f415cf4e3bc5fdf4a6d2474c3bec4f627b84883ef638ae96fd156d3cd3cf8586000000000000000000"], &(0x7f0000000480)=0x5d) sendmsg$inet_sctp(r2, &(0x7f0000a29000)={&(0x7f0000000040)=@in6={0xa, 0x4e23, 0x0, @mcast2={0xff, 0x2, [], 0x1}}, 0x1c, &(0x7f0000002540)}, 0x0) 16:59:56 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0xc00e, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 781.527885] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:56 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x80ffffff, 0xa00004000000002) 16:59:56 executing program 5: r0 = perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x3e6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff7ffffffffffb, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vhost-vsock\x00', 0x2, 0x0) ioctl$VHOST_SET_VRING_BUSYLOOP_TIMEOUT(r0, 0x4008af23, &(0x7f0000000040)={0x1, 0x6}) rt_sigaction(0x19, &(0x7f0000000080)={0x5, {0xec}, 0x0, 0x9}, &(0x7f0000000100), 0x8, &(0x7f0000000180)) ioctl$VHOST_SET_VRING_BASE(r1, 0xaf01, &(0x7f0000000000)) ioctl$VHOST_SET_VRING_BUSYLOOP_TIMEOUT(r1, 0x4008af23, &(0x7f00000000c0)) 16:59:56 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x6b3b}, 0x0) 16:59:56 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x200000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:56 executing program 2: r0 = socket$inet6(0xa, 0x8000000000000806, 0x0) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @local={0xfe, 0x80, [], 0xaa}, 0x5}, 0xfffffe45) membarrier(0x2, 0x0) shutdown(r0, 0x0) ioctl$sock_ifreq(r0, 0x8971, &(0x7f0000000040)={'bridge_slave_1\x00', @ifru_flags=0x801}) r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000080)='/dev/null\x00', 0x101000, 0x0) r2 = openat(0xffffffffffffffff, &(0x7f0000000100)='./file0\x00', 0x200, 0x10) linkat(r1, &(0x7f00000000c0)='./file0\x00', r2, &(0x7f0000000140)='./file0\x00', 0x1000) close(r0) write$RDMA_USER_CM_CMD_JOIN_MCAST(r2, &(0x7f0000000200)={0x16, 0x98, 0xfa00, {&(0x7f00000001c0)={0xffffffff}, 0x3, 0xffffffff, 0x10, 0x0, @in6={0xa, 0x4e24, 0x5, @mcast2={0xff, 0x2, [], 0x1}, 0x1}}}, 0xa0) write$RDMA_USER_CM_CMD_LEAVE_MCAST(r1, &(0x7f00000002c0)={0x11, 0x10, 0xfa00, {&(0x7f0000000180), r3}}, 0x18) 16:59:56 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f050b0f89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:56 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x4002, 0xa00004000000002) [ 781.777198] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:56 executing program 5: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'sm3-generic\x00'}, 0x58) r1 = accept$alg(r0, 0x0, 0x0) r2 = open(&(0x7f00004b8ff8)='./file0\x00', 0x28042, 0x0) getrandom(&(0x7f0000000000)=""/255, 0xff, 0x0) fallocate(r2, 0x0, 0x0, 0x73e0) sendfile(r1, r2, &(0x7f00007ed000)=0x6, 0x2000) 16:59:56 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x600000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:57 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr={0x40000000}}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:57 executing program 2: syz_emit_ethernet(0x1, &(0x7f0000000140)=ANY=[@ANYBLOB="0180c200b200b42d87402e04fafe0900d1837b6372c2b023b11091c56a526ffcde855a77383b3b69521877c717b39bb428fb9a1d7e0d8f4e15d7ed36f7d8b2afb68cb093d425cfe780f344c2006e17a92a5033107a63b5acfdcb63558c7f3fd57b43fc7809b00dd1c2f5b22b89c523a258242c0e498b57199a115d8a5c56dd4468432dc9b510af6954049571e9ac82d013dfaa49bf4703285192cae86b3d58698a0408d4d8c668ededc9fb731f386eea1e2458fe0beecdc7cdbaa391656ca31ff61fe165cc03ea3c8c3cb2371f7d6f07a831773fa346000000000000"], &(0x7f00000016c0)) clock_getres(0x1, &(0x7f0000000000)) setsockopt$SO_VM_SOCKETS_BUFFER_SIZE(0xffffffffffffffff, 0x28, 0x6, &(0x7f0000000040), 0x1be) 16:59:57 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0x2}, 0x0) 16:59:57 executing program 5: mprotect(&(0x7f000004a000/0x4000)=nil, 0x4000, 0x0) clone(0x0, &(0x7f00000010c0)="eeb8a0cf3dde3bb56baccf586bbff74ce895d9cc77e610e75ac138134cef9b72b8d267ef7b8545e2b2b8451bf82ef99181b8acb44d32b610b068fcbb2068099429990124b9052a066c2b60f020e35880d7eccc6e3aabcc348c94f8055448716c9791f511c0941e08de27029a1529ff446d1dfc470aac8b0465a02f7a265137176eabee7e128d684a87783b8a883972e89d358ec8318f418affadc07011fbe4ad68a8caf45f45b48fc77e4cfb2777ddd6eb35d2929fda2f9ef8891cd8a5ef94286b7ab451d085c15bfa80a3718a532b7169337f7fda75d3b958e38eccc1fc6185ed1ff9357648f28021149fe2e4508f18f96791bcce8304835c6b0abc8797427e3ad5f847d1f978822b15846b", &(0x7f0000a25ffc), &(0x7f0000001080), &(0x7f0000000040)) waitid(0x0, 0x0, &(0x7f0000001ff0), 0xa0000004, 0x0) r0 = memfd_create(&(0x7f0000000000)='[-[@\'\x00', 0x1) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r0, 0x84, 0x6d, &(0x7f0000001200)={0x0, 0x2d, "2d4f99c75b1ed5c6e2ba6d6047742c8386efb2cce1429807d54bee6092d732b56a6118a6d9e915f6bbcd49ebb3"}, &(0x7f0000001240)=0x35) setsockopt$inet_sctp_SCTP_DELAYED_SACK(r0, 0x84, 0x10, &(0x7f0000001280)=@assoc_value={r1, 0x9e7}, 0x8) readlinkat(r0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000080)=""/4096, 0x1000) 16:59:57 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05000989ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:57 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x6, 0xa00004000000002) 16:59:57 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xc00000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:57 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0xff00, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:57 executing program 2: perf_event_open(&(0x7f0000000180)={0x2, 0x70, 0x3e5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$vcsn(&(0x7f00000000c0)='/dev/vcs#\x00', 0x3, 0x2c000) ioctl$VHOST_RESET_OWNER(r0, 0xaf02, 0x0) r1 = syz_open_dev$sndseq(&(0x7f00000001c0)='/dev/snd/seq\x00', 0x0, 0x0) ioctl$SNDRV_SEQ_IOCTL_RUNNING_MODE(r1, 0xc0105303, &(0x7f0000000040)) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(r0, 0x84, 0x7c, &(0x7f0000000080)={0x0, 0x8, 0x9}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp_SCTP_ADD_STREAMS(r0, 0x84, 0x79, &(0x7f0000000140)={r2, 0x8001, 0x3}, 0x8) [ 782.727210] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:57 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0xec0}, 0x0) 16:59:57 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x805000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:57 executing program 5: clock_getres(0x4, &(0x7f0000000040)) 16:59:57 executing program 2: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@text64={0x40, &(0x7f0000000500)="0f0866b8ed008ec066ba4000b000eed2a807000000410f01cab98e0b0000b862000000ba000000000f30b90b0800000f320fc72a8f2a60128f00000000003000000fc7aa00100000", 0x48}], 0x1, 0x5d, &(0x7f0000000580), 0x0) ioctl$KVM_SET_CPUID(0xffffffffffffffff, 0x4008ae8a, &(0x7f0000000040)=ANY=[@ANYRES64=0x0]) r3 = dup3(r2, r0, 0x80000) r4 = openat$cgroup_type(r3, &(0x7f0000000000)='cgroup.type\x00', 0x2, 0x0) dup2(r4, r1) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 782.900599] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:57 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05000b89ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:57 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x5a0, 0xa00004000000002) 16:59:57 executing program 5: r0 = dup(0xffffffffffffffff) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000040)='yeah\x00', 0x5) mknodat(r0, &(0x7f0000000000)='./file0\x00', 0x100, 0x550) ioctl$KVM_SET_TSC_KHZ(r0, 0xaea2, 0x67f) syz_emit_ethernet(0xfffffeae, &(0x7f0000005faa)={@remote={[0xaa, 0xaa, 0xaa, 0xaa, 0xaa], 0xbb}, @broadcast=[0xff, 0xff, 0xff, 0xff, 0xff, 0xff], [], {@ipv6={0x86dd, {0x0, 0x6, "c8fba2", 0x18, 0x40000000003a, 0x0, @remote={0xfe, 0x80, [], 0xffffffffffffffff}, @mcast2={0xff, 0x2, [], 0x1}, {[], @icmpv6=@mld={0x85ffffff, 0x0, 0x0, 0x0, 0x0, @mcast2={0xff, 0x2, [], 0x1}}}}}}}, 0x0) 16:59:58 executing program 6: r0 = getpid() mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x1, 0x32, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000580)={0xaa}) sched_setaffinity(r0, 0x8, &(0x7f00000001c0)=0x6) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000d62fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) write$sndseq(r2, &(0x7f0000011fd2), 0xffffffee) write$sndseq(r2, &(0x7f0000000180)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @addr={0x4000}}], 0x30) read(r1, &(0x7f0000000000)=""/126, 0xfffffeab) dup2(r1, r3) 16:59:58 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0x900000000000000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:58 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0xf0ffff}, 0x0) 16:59:58 executing program 2: socket$can_raw(0x1d, 0x3, 0x1) unshare(0x24020400) rmdir(&(0x7f0000000040)='./file0\x00') r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000500)={0x1, 0x10, 0x5, 0x2}, 0x2c) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/snapshot\x00', 0x2, 0x0) ioctl$VHOST_VSOCK_SET_RUNNING(r1, 0x4004af61, &(0x7f0000000080)) ioctl$TIOCCBRK(r1, 0x5428) bpf$OBJ_PIN_MAP(0x6, &(0x7f0000000180)={&(0x7f0000000140)='./file0\x00', r0}, 0x10) openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x101000, 0x0) 16:59:58 executing program 5: r0 = socket(0x40000000015, 0x5, 0x0) setsockopt$SO_RDS_TRANSPORT(r0, 0x114, 0x8, &(0x7f00000007c0)=0x2, 0x4) r1 = syz_genetlink_get_family_id$ipvs(&(0x7f00000006c0)='IPVS\x00') sendmsg$IPVS_CMD_FLUSH(r0, &(0x7f0000000880)={&(0x7f0000000680)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000780)={&(0x7f0000000700)={0x74, r1, 0x22, 0x70bd28, 0x25dfdbfb, {0x11}, [@IPVS_CMD_ATTR_TIMEOUT_TCP={0x8, 0x4, 0x7}, @IPVS_CMD_ATTR_DAEMON={0x1c, 0x3, [@IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x2}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x1}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x1}]}, @IPVS_CMD_ATTR_DEST={0x3c, 0x2, [@IPVS_DEST_ATTR_INACT_CONNS={0x8, 0x8, 0x9}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x7}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e20}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e22}, @IPVS_DEST_ATTR_L_THRESH={0x8, 0x6, 0x1}, @IPVS_DEST_ATTR_PORT={0x8, 0x2, 0x4e20}, @IPVS_DEST_ATTR_ACTIVE_CONNS={0x8, 0x7, 0x7fff}]}]}, 0x74}, 0x1, 0x0, 0x0, 0x8040}, 0x20000000) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f00006dbffc), 0x4) recvmsg(r0, &(0x7f0000000800)={&(0x7f00000004c0)=@alg, 0x80, &(0x7f0000000b80)=[{&(0x7f00000009c0)=""/113, 0x71}, {&(0x7f0000000a40)=""/11, 0xb}, {&(0x7f0000000a80)=""/225, 0xe1}, {&(0x7f0000000cc0)=""/255, 0xff}], 0x4, &(0x7f0000000dc0)=""/215, 0xd7}, 0x0) bind$inet(r0, &(0x7f0000000840)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) sendto$inet(r0, &(0x7f0000000000)="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", 0x481, 0x0, &(0x7f000069affb)={0x2, 0x4e20, @loopback=0x7f000001}, 0x10) r2 = openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000540)='/dev/qat_adf_ctl\x00', 0x20002, 0x0) ioctl$EVIOCGMTSLOTS(r2, 0x8040450a, &(0x7f0000000580)=""/205) 16:59:58 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05001789ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:58 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x70c6a, 0xa00004000000002) 16:59:58 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x3, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:58 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x2, 0x0, &(0x7f0000004dc0)={0x77359400}) [ 783.906869] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 16:59:58 executing program 2: r0 = socket$can_bcm(0x1d, 0x2, 0x2) connect(r0, &(0x7f0000002000)=@ethernet, 0x10) sendmsg$can_bcm(r0, &(0x7f0000001fc8)={&(0x7f0000006000)={0x1d}, 0x10, &(0x7f0000000000)={&(0x7f0000006fb8)={0x5, 0x0, 0x0, {0x77359400}, {0x0, 0x2710}, {}, 0x1, @can={{}, 0x0, 0x0, 0x0, 0x0, "0b73a00200000059"}}, 0x48}, 0x1}, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='net/l2cap\x00') ioctl$KVM_SET_CPUID2(r1, 0x4008ae90, &(0x7f00000001c0)={0x3, 0x0, [{0x1, 0x50, 0x6, 0x8, 0x5, 0x6, 0x1000}, {0x80000008, 0x5, 0x2, 0xfffffffffffffffa, 0x2, 0x9da, 0x9}, {0xc000001d, 0x5, 0x4, 0x101, 0x2, 0x0, 0x5fe}]}) ioctl$EVIOCGMASK(r1, 0x80104592, &(0x7f0000000180)={0x13, 0xd5, &(0x7f0000000080)="0ac7d1f4243f4d3e500e0632fb06bdc51ae10ea679aaa2adce7dbab951f226b0c25de21eb33e0a610c0c97b5c80fc91fe3027daeaddd66669c6a16e070b4e158034f4ba96ec128d78e863b0727f71f36906b44ec396f9c48c13b4a7673292107d4cd5637e6fc915d8120450b7701c0a40d6efa3c507d72b464c077cb6db7b91eb2aff6493cbe1cf092f44d417c43db2298dfe850168392281734486845da4b6cd6a2dfadf3052e598a7d051d2f8b1c66a9d02bbf5bcfc33048b6b2c0aa26b32bec1c3ccc64e22bde97eb35ae726f3a6b223e5ffb87"}) faccessat(r1, &(0x7f0000000240)='./file0\x00', 0x8, 0x800) sendmsg$can_bcm(r0, &(0x7f0000000000)={&(0x7f0000004000)={0x1d}, 0x10, &(0x7f0000002ff0)={&(0x7f0000004fb8)=ANY=[@ANYBLOB="05000000a00000000000000000000000", @ANYRES64=0x0, @ANYRES64=0x0, @ANYRES64=0x0, @ANYRES64=0x0, @ANYBLOB="000080000100000000000000000000008e15adecfc04aba1"], 0x48}, 0x1}, 0x0) 16:59:58 executing program 1: r0 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r0, &(0x7f0000ef8cfd)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) listen(r0, 0x80000000) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) sendto$inet6(r1, &(0x7f0000000080)='X', 0x1, 0xf4010000, &(0x7f000005ffe4)={0xa, 0x4e23, 0x0, @loopback={0x0, 0x1}}, 0x1c) 16:59:58 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f00001fefe4)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) setsockopt$inet6_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='dctcp\x00', 0x6) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) sendto$inet6(r1, &(0x7f0000000040)="b1", 0x1, 0x20000004, &(0x7f000031e000)={0xa, 0x4e22}, 0x1c) r2 = socket$inet(0x10, 0x3, 0x4) sendmsg(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f000000d000)=[{&(0x7f0000008000)="4c0000001200ff09fffefd956fa283b724a6008000000000000000683540150024001d001fc41180b598bc593ab6821148a730de33a49868c62b2ca654a6613b6aabf35d0f1cbc882b079881", 0x4c}], 0x1, 0x0, 0x0, 0xc00e000000000000}, 0x0) 16:59:58 executing program 2: r0 = perf_event_open(&(0x7f0000000140)={0x2, 0x70, 0x400000003e7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000003, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000080)}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = socket$inet6(0xa, 0x1, 0x0) ioctl(r1, 0x4000008912, &(0x7f00000000c0)="295ee1311f16f477671070") writev(r0, &(0x7f00000015c0)=[{&(0x7f0000000000)="b3963c90e6f59107787163787439f51d733ed03fcefb291ada26a9707dc392bbc6eeecc71a07b9164a62a20175e209b6e529af211c62fce11037ddb33a3db311a204151dfb861d2def2938e462644c032b0eb71ab9388117da2cb32d75bf5e6bc5f07c", 0x63}, {&(0x7f00000001c0)="754cb7e5b56e3932d37f11208d408386bdb33c95a2c874870f85ad95efad4eb9176b084a3fd8f6879a88e269d6a4a2f85c9b02f887ff7c8ec5398cbf3f2b69fe187327a4d854da3da6ac5ff2bee77cd35b6d5c16b764110e2db5f56ea2fca8226904c45101353320732fc0bf02139de0", 0x70}, {&(0x7f0000000240)="ebe20f0e36fc45b2637e455490d1df3d96eec57df81af813ee847448f1f0332c876cb046d3a10d8b93e5130abbc57c0b5abaf5f5f63533c12717f2a19e9cf28c46cf883a835c76b6a4ca51a437dc38120a8b8e080174cd0e3b298817c355a042c03e4281d892e126f5f055c6f7e358ad72543a59e5880794eaf79f95729f1ccb29a5f1eadcf2d05f8953a8816c7f7aaf4c8592e6d1e025b6a8a7840c6c5564c28d33289091d212bbcf28a41f699abb061b8170ee35", 0xb5}, {&(0x7f0000000300)="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", 0x1000}, {&(0x7f0000001300)="83e1ecb8abb469e3edbbd46d9fa7f73ba802004add8655aac0e864d5193ca9295ec06b32e2d5d3b1fc60cd85602b7f0a4a89e52d584ec304311bbb3d74c951cce0b6c42dae839e51da8741bb5a9a2f008ac6723d8fc8b8e95ab571dffc8b52ff11590ba79c2533c7ebe1607740db098c010b5599534c15bf4b3ad472b3d26e2ec6d644caa0357e1c4c177f14dfc4901f7af4c8293193", 0x96}, {&(0x7f00000013c0)="3211d75d5afd9f4d4be15d92368e66f0702b9825847a07bc09a6f91c1cf6aca25d4c46ace86445e39a52065f8745ea3d9f3b000dd9e42eef0fa16a6c5c22c81329fc7f55e0b5607c197c5e14262e2bbefc9f223b5dacadb370056328315a22017daf9998fa15bd670d1aaa6de8502f4b4233f080a9b0c106a263dd02d04bd270e282927a6e7351468fddbbe1d1a6af80a9afb612fbdf66e41d9dc64f263b7728eb23c4313d4c2a9258344f0415883ecb20679e7e91d2762c0a8895dcfda015faa16ab8732315a5eae1231e513daf759b06d6", 0xd2}, {&(0x7f00000014c0)="72422333eaf3f26752f5ff307b275bcf5e2c083dfae477fee07bb9feb100b3dcf58cb896f6e1d940cae6c74ae29a1b1dc417a702e949f40aaf9e867679c72658ebd277841cb0e1fd8fa3d15eee5b521aa98236bcab92308d36fee325ef0bc2ca", 0x60}, {&(0x7f0000001540)="c7287aefdb7fb618b4dd86051abef4da95f94a73249458f749bd6c1a6d59d2e6091cdab983c2420241b93b5ef513e3fd3475d686fe45f865f18b4ebd417790acb5239ded01378362f715f234dec84069b806ddc8fd5a1f08ff554e2edee85c63c2db3aba5dd1777723f83e70f2", 0x6d}, {&(0x7f0000000100)="57288d3064b19190b5a76a186b7eb27364d60c89", 0x14}], 0x9) unshare(0x40000000) 16:59:58 executing program 3: r0 = socket(0x10, 0x3, 0x0) r1 = dup(r0) write(r1, &(0x7f00000000c0)="1b0000003a001f0fff07f4f9002304000a04f51108000100020100", 0x1b) recvmmsg(r1, &(0x7f0000004c40)=[{{&(0x7f0000004740)=@llc={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @broadcast}, 0x80, &(0x7f0000004ac0), 0x0, &(0x7f0000004b40)=""/206, 0xce}}], 0x5, 0x0, &(0x7f0000004dc0)={0x77359400}) 16:59:58 executing program 4: perf_event_open(&(0x7f0000000100)={0x2000000005, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={&(0x7f0000000000), 0x1}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000100)="66b91000004066b80000000066ba000000000f30baa000eddb8f05000789ae6a660f3a22efa80f09f00fc709f20f1ab60d0066b93608000066b80000000066ba008000000f3066b9800000c00f326635000800000f30", 0x56}], 0x1, 0x0, &(0x7f00000000c0), 0x0) 16:59:58 executing program 7: r0 = socket$inet6(0xa, 0x1, 0x0) ioctl(r0, 0x4000008912, &(0x7f0000000100)="295ee1311f16f477671070") r1 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r1, &(0x7f0000000000)={0x2, 0x4e23, @multicast1=0xe0000001}, 0x10) sendto$inet(r1, &(0x7f0000000040), 0x0, 0x20000003, &(0x7f00000000c0)={0x2, 0x1000004e23, @dev={0xac, 0x14, 0x14, 0x1d}}, 0x10) setsockopt$SO_BINDTODEVICE(r1, 0x1, 0x19, &(0x7f0000000140)='gre0\x00', 0x2c7) r2 = memfd_create(&(0x7f0000000000)='dev ', 0x0) ftruncate(r2, 0x2000e5) sendfile(r1, r2, &(0x7f0000000180)=0x70c6c, 0xa00004000000002) [ 784.163050] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 784.182561] IPVS: ftp: loaded support on port[0] = 21 [ 784.344322] IPVS: ftp: loaded support on port[0] = 21 [ 784.690580] ================================================================== [ 784.698270] BUG: KASAN: use-after-free in rds_cong_queue_updates+0x25d/0x5b0 [ 784.705457] Read of size 4 at addr ffff88019c8f0204 by task kworker/u4:5/9341 [ 784.712718] [ 784.714350] CPU: 1 PID: 9341 Comm: kworker/u4:5 Not tainted 4.18.0-rc3+ #127 [ 784.721788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 784.731158] Workqueue: krdsd rds_send_worker [ 784.735651] Call Trace: [ 784.738249] dump_stack+0x1c9/0x2b4 [ 784.741890] ? dump_stack_print_info.cold.2+0x52/0x52 [ 784.747076] ? printk+0xa7/0xcf [ 784.750355] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 784.755116] ? rds_cong_queue_updates+0x25d/0x5b0 [ 784.759966] print_address_description+0x6c/0x20b [ 784.764816] ? rds_cong_queue_updates+0x25d/0x5b0 [ 784.769660] kasan_report.cold.7+0x242/0x2fe [ 784.774074] check_memory_region+0x13e/0x1b0 [ 784.778509] kasan_check_read+0x11/0x20 [ 784.782504] rds_cong_queue_updates+0x25d/0x5b0 [ 784.787181] ? rds_cong_get_maps+0x140/0x140 [ 784.791593] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 784.796625] rds_recv_rcvbuf_delta.part.3+0x332/0x3e0 [ 784.801817] rds_recv_incoming+0x85a/0x1320 [ 784.806166] ? rds_recv_rcvbuf_delta.part.3+0x3e0/0x3e0 [ 784.811551] ? refcount_inc_not_zero+0x1e5/0x2f0 [ 784.816313] ? print_usage_bug+0xc0/0xc0 [ 784.820382] ? kasan_check_write+0x14/0x20 [ 784.824621] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 784.830158] ? refcount_inc+0x29/0x70 [ 784.834148] ? rds_message_addref+0xdb/0x120 [ 784.838557] ? rds_info_getsockopt+0x990/0x990 [ 784.843170] ? mark_held_locks+0xc9/0x160 [ 784.847334] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 784.851940] rds_loop_xmit+0x16a/0x340 [ 784.852451] QAT: Invalid ioctl [ 784.855831] ? rds_loop_inc_free+0x20/0x20 [ 784.855858] rds_send_xmit+0x1343/0x29c0 [ 784.855884] ? rds_send_mprds_hash+0x540/0x540 [ 784.855908] ? trace_hardirqs_on+0x10/0x10 [ 784.876200] ? trace_hardirqs_on+0x10/0x10 [ 784.880456] ? graph_lock+0x170/0x170 [ 784.884264] ? trace_event_raw_event_workqueue_execute_start+0x2b0/0x2b0 [ 784.891106] ? __lock_is_held+0xb5/0x140 [ 784.895175] ? find_held_lock+0x36/0x1c0 [ 784.899236] ? graph_lock+0x170/0x170 [ 784.903064] ? lock_downgrade+0x8f0/0x8f0 [ 784.907306] ? find_held_lock+0x36/0x1c0 [ 784.911375] ? graph_lock+0x170/0x170 [ 784.915180] ? lock_acquire+0x1e4/0x540 [ 784.919160] ? process_one_work+0xb9b/0x1ba0 [ 784.923585] ? kasan_check_read+0x11/0x20 [ 784.927739] rds_send_worker+0x153/0x300 [ 784.931808] ? rds_connect_worker+0x260/0x260 [ 784.936313] process_one_work+0xc73/0x1ba0 [ 784.940547] ? trace_hardirqs_on+0x10/0x10 [ 784.944793] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 784.949464] ? lock_repin_lock+0x430/0x430 [ 784.953720] ? __sched_text_start+0x8/0x8 [ 784.957872] ? retint_kernel+0x10/0x10 [ 784.961769] ? retint_kernel+0x10/0x10 [ 784.965661] ? graph_lock+0x170/0x170 [ 784.969459] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 784.974214] ? lock_acquire+0x1e4/0x540 [ 784.978173] ? worker_thread+0x3dc/0x13c0 [ 784.982305] ? lock_downgrade+0x8f0/0x8f0 [ 784.986456] ? lock_release+0xa30/0xa30 [ 784.990419] ? kasan_check_read+0x11/0x20 [ 784.994555] ? do_raw_spin_unlock+0xa7/0x2f0 [ 784.998949] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 785.003538] ? kasan_check_write+0x14/0x20 [ 785.007756] ? do_raw_spin_lock+0xc1/0x200 [ 785.011981] worker_thread+0x189/0x13c0 [ 785.015962] ? process_one_work+0x1ba0/0x1ba0 [ 785.020450] ? graph_lock+0x170/0x170 [ 785.024239] ? find_held_lock+0x36/0x1c0 [ 785.028295] ? find_held_lock+0x36/0x1c0 [ 785.032356] ? __schedule+0x1ed0/0x1ed0 [ 785.037487] ? do_raw_spin_unlock+0xa7/0x2f0 [ 785.041884] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 785.046457] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 785.051980] ? __kthread_parkme+0x111/0x1d0 [ 785.056376] ? parse_args.cold.15+0x1b3/0x1b3 [ 785.060944] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 785.065946] ? trace_hardirqs_on+0xd/0x10 [ 785.070083] kthread+0x345/0x410 [ 785.073453] ? process_one_work+0x1ba0/0x1ba0 [ 785.077934] ? kthread_bind+0x40/0x40 [ 785.081724] ret_from_fork+0x3a/0x50 [ 785.085439] [ 785.087049] Allocated by task 18682: [ 785.090766] save_stack+0x43/0xd0 [ 785.094204] kasan_kmalloc+0xc4/0xe0 [ 785.097904] kasan_slab_alloc+0x12/0x20 [ 785.101875] kmem_cache_alloc+0x12e/0x760 [ 785.106009] getname_flags+0xd0/0x5a0 [ 785.109798] getname+0x19/0x20 [ 785.112973] do_sys_open+0x3a2/0x760 [ 785.116671] __x64_sys_openat+0x9d/0x100 [ 785.120893] do_syscall_64+0x1b9/0x820 [ 785.124767] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 785.129960] [ 785.131569] Freed by task 18682: [ 785.135116] save_stack+0x43/0xd0 [ 785.138553] __kasan_slab_free+0x11a/0x170 [ 785.142774] kasan_slab_free+0xe/0x10 [ 785.146568] kmem_cache_free+0x86/0x2d0 [ 785.150531] putname+0xf2/0x130 [ 785.153794] do_sys_open+0x569/0x760 [ 785.157500] __x64_sys_openat+0x9d/0x100 [ 785.161563] do_syscall_64+0x1b9/0x820 [ 785.165440] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 785.170622] [ 785.172237] The buggy address belongs to the object at ffff88019c8f0100 [ 785.172237] which belongs to the cache names_cache of size 4096 [ 785.184966] The buggy address is located 260 bytes inside of [ 785.184966] 4096-byte region [ffff88019c8f0100, ffff88019c8f1100) [ 785.196908] The buggy address belongs to the page: [ 785.201834] page:ffffea0006723c00 count:1 mapcount:0 mapping:ffff8801da987dc0 index:0x0 compound_mapcount: 0 [ 785.211797] flags: 0x2fffc0000008100(slab|head) [ 785.216462] raw: 02fffc0000008100 ffffea0006a9ae08 ffffea0006a97e08 ffff8801da987dc0 [ 785.224342] raw: 0000000000000000 ffff88019c8f0100 0000000100000001 0000000000000000 [ 785.232220] page dumped because: kasan: bad access detected [ 785.237921] [ 785.239529] Memory state around the buggy address: [ 785.244453] ffff88019c8f0100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 785.251797] ffff88019c8f0180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 785.259142] >ffff88019c8f0200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 785.266482] ^ [ 785.269845] ffff88019c8f0280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 785.277190] ffff88019c8f0300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 785.284530] ================================================================== [ 785.291894] Disabling lock debugging due to kernel taint [ 785.297331] Kernel panic - not syncing: panic_on_warn set ... [ 785.297331] [ 785.304682] CPU: 1 PID: 9341 Comm: kworker/u4:5 Tainted: G B 4.18.0-rc3+ #127 [ 785.313322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 785.322684] Workqueue: krdsd rds_send_worker [ 785.327073] Call Trace: [ 785.329672] dump_stack+0x1c9/0x2b4 [ 785.333285] ? dump_stack_print_info.cold.2+0x52/0x52 [ 785.338482] ? lock_downgrade+0x8f0/0x8f0 [ 785.342631] panic+0x238/0x4e7 [ 785.345805] ? add_taint.cold.5+0x16/0x16 [ 785.349939] ? add_taint.cold.5+0x5/0x16 [ 785.353982] ? do_raw_spin_unlock+0xa7/0x2f0 [ 785.358376] ? rds_cong_queue_updates+0x25d/0x5b0 [ 785.363211] kasan_end_report+0x47/0x4f [ 785.367166] kasan_report.cold.7+0x76/0x2fe [ 785.371480] check_memory_region+0x13e/0x1b0 [ 785.375882] kasan_check_read+0x11/0x20 [ 785.379845] rds_cong_queue_updates+0x25d/0x5b0 [ 785.384497] ? rds_cong_get_maps+0x140/0x140 [ 785.388891] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 785.393991] rds_recv_rcvbuf_delta.part.3+0x332/0x3e0 [ 785.399180] rds_recv_incoming+0x85a/0x1320 [ 785.403499] ? rds_recv_rcvbuf_delta.part.3+0x3e0/0x3e0 [ 785.408862] ? refcount_inc_not_zero+0x1e5/0x2f0 [ 785.413604] ? print_usage_bug+0xc0/0xc0 [ 785.417656] ? kasan_check_write+0x14/0x20 [ 785.421889] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 785.427414] ? refcount_inc+0x29/0x70 [ 785.431214] ? rds_message_addref+0xdb/0x120 [ 785.435608] ? rds_info_getsockopt+0x990/0x990 [ 785.440178] ? mark_held_locks+0xc9/0x160 [ 785.444308] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 785.448877] rds_loop_xmit+0x16a/0x340 [ 785.452749] ? rds_loop_inc_free+0x20/0x20 [ 785.456967] rds_send_xmit+0x1343/0x29c0 [ 785.461022] ? rds_send_mprds_hash+0x540/0x540 [ 785.465593] ? trace_hardirqs_on+0x10/0x10 [ 785.469813] ? trace_hardirqs_on+0x10/0x10 [ 785.474034] ? graph_lock+0x170/0x170 [ 785.477835] ? trace_event_raw_event_workqueue_execute_start+0x2b0/0x2b0 [ 785.484672] ? __lock_is_held+0xb5/0x140 [ 785.488718] ? find_held_lock+0x36/0x1c0 [ 785.492759] ? graph_lock+0x170/0x170 [ 785.496547] ? lock_downgrade+0x8f0/0x8f0 [ 785.500683] ? find_held_lock+0x36/0x1c0 [ 785.504729] ? graph_lock+0x170/0x170 [ 785.508513] ? lock_acquire+0x1e4/0x540 [ 785.512484] ? process_one_work+0xb9b/0x1ba0 [ 785.516880] ? kasan_check_read+0x11/0x20 [ 785.521028] rds_send_worker+0x153/0x300 [ 785.525078] ? rds_connect_worker+0x260/0x260 [ 785.529586] process_one_work+0xc73/0x1ba0 [ 785.533808] ? trace_hardirqs_on+0x10/0x10 [ 785.538031] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 785.542686] ? lock_repin_lock+0x430/0x430 [ 785.546910] ? __sched_text_start+0x8/0x8 [ 785.551043] ? retint_kernel+0x10/0x10 [ 785.554918] ? retint_kernel+0x10/0x10 [ 785.558792] ? graph_lock+0x170/0x170 [ 785.562596] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 785.567341] ? lock_acquire+0x1e4/0x540 [ 785.571297] ? worker_thread+0x3dc/0x13c0 [ 785.575429] ? lock_downgrade+0x8f0/0x8f0 [ 785.579573] ? lock_release+0xa30/0xa30 [ 785.583531] ? kasan_check_read+0x11/0x20 [ 785.587672] ? do_raw_spin_unlock+0xa7/0x2f0 [ 785.592065] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 785.596631] ? kasan_check_write+0x14/0x20 [ 785.600847] ? do_raw_spin_lock+0xc1/0x200 [ 785.605155] worker_thread+0x189/0x13c0 [ 785.609117] ? process_one_work+0x1ba0/0x1ba0 [ 785.613599] ? graph_lock+0x170/0x170 [ 785.617385] ? find_held_lock+0x36/0x1c0 [ 785.621431] ? find_held_lock+0x36/0x1c0 [ 785.625480] ? __schedule+0x1ed0/0x1ed0 [ 785.629454] ? do_raw_spin_unlock+0xa7/0x2f0 [ 785.633858] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 785.638434] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 785.644081] ? __kthread_parkme+0x111/0x1d0 [ 785.648382] ? parse_args.cold.15+0x1b3/0x1b3 [ 785.652862] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 785.657865] ? trace_hardirqs_on+0xd/0x10 [ 785.662008] kthread+0x345/0x410 [ 785.665374] ? process_one_work+0x1ba0/0x1ba0 [ 785.669848] ? kthread_bind+0x40/0x40 [ 785.673633] ret_from_fork+0x3a/0x50 [ 785.677854] Dumping ftrace buffer: [ 785.681380] (ftrace buffer empty) [ 785.685069] Kernel Offset: disabled [ 785.688686] Rebooting in 86400 seconds..