, 0xf) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) 12:39:59 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x5, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 511.090193] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 511.125193] block nbd5: shutting down sockets 12:39:59 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x4}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:39:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401070c9) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:39:59 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) r1 = socket$inet_tcp(0x2, 0x1, 0x0) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, &(0x7f0000000000)={r1, 0x9, 0x100, 0x6}) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) setsockopt$inet_tcp_int(r2, 0x6, 0x11, &(0x7f0000000040)=0x7fff, 0x4) [ 511.183398] block nbd5: shutting down sockets [ 511.199617] FAULT_INJECTION: forcing a failure. [ 511.199617] name failslab, interval 1, probability 0, space 0, times 0 [ 511.259407] CPU: 0 PID: 27873 Comm: syz-executor.1 Not tainted 4.19.196-syzkaller #0 [ 511.267445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 511.276804] Call Trace: [ 511.279405] dump_stack+0x1fc/0x2ef [ 511.283046] should_fail.cold+0xa/0xf [ 511.286871] ? setup_fault_attr+0x200/0x200 [ 511.291225] ? lock_acquire+0x170/0x3c0 [ 511.295240] __should_failslab+0x115/0x180 [ 511.299483] should_failslab+0x5/0x10 [ 511.303296] __kmalloc+0x2ab/0x3c0 [ 511.306843] ? kobject_get_path+0xbf/0x240 [ 511.311094] kobject_get_path+0xbf/0x240 [ 511.315194] kobject_uevent_env+0x25c/0x1480 [ 511.319617] ? nbd_size_update+0x28a/0x660 [ 511.323890] nbd_ioctl+0x533/0xbe0 [ 511.327439] ? _copy_from_user+0xd2/0x130 [ 511.331595] ? nbd_disconnect_and_put+0x190/0x190 [ 511.336477] ? __lock_acquire+0x6de/0x3ff0 [ 511.340752] ? nbd_disconnect_and_put+0x190/0x190 [ 511.345603] blkdev_ioctl+0x5cb/0x1a80 [ 511.349523] ? blkpg_ioctl+0x9d0/0x9d0 [ 511.353436] ? get_pid_task+0xf4/0x190 [ 511.357329] ? mark_held_locks+0xf0/0xf0 [ 511.361395] ? proc_fail_nth_write+0x95/0x1d0 [ 511.365905] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 511.370854] block_ioctl+0xe9/0x130 [ 511.374482] ? blkdev_fallocate+0x3f0/0x3f0 [ 511.378805] do_vfs_ioctl+0xcdb/0x12e0 [ 511.382724] ? lock_downgrade+0x720/0x720 [ 511.386883] ? check_preemption_disabled+0x41/0x280 [ 511.391905] ? ioctl_preallocate+0x200/0x200 [ 511.396319] ? __fget+0x356/0x510 [ 511.399780] ? do_dup2+0x450/0x450 [ 511.403325] ? vfs_write+0x393/0x540 [ 511.407478] ? fput+0x2b/0x190 [ 511.410681] ksys_ioctl+0x9b/0xc0 [ 511.414142] __x64_sys_ioctl+0x6f/0xb0 [ 511.418037] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 511.422630] do_syscall_64+0xf9/0x620 [ 511.426444] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 511.431640] RIP: 0033:0x4665d9 [ 511.434833] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 12:39:59 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x9, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 511.453763] RSP: 002b:00007f0b3db1b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 511.461589] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 511.469039] RDX: 0000000000000000 RSI: 000000000000ab02 RDI: 0000000000000003 [ 511.476310] RBP: 00007f0b3db1b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 511.483580] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 511.490877] R13: 00007ffc2457d22f R14: 00007f0b3db1b300 R15: 0000000000022000 [ 511.518499] block nbd5: shutting down sockets 12:39:59 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0xb, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 511.581418] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:00 executing program 1 (fault-call:6 fault-nth:3): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 12:40:00 executing program 3: ioctl$VIDIOC_PREPARE_BUF(0xffffffffffffffff, 0xc058565d, &(0x7f0000000040)={0x4, 0x4, 0x4, 0x100000, 0x8000, {}, {0x1, 0xc, 0x3f, 0x6, 0x0, 0x1, "01003f00"}, 0x0, 0x2, @fd, 0x7, 0x0, 0xffffffffffffffff}) r1 = signalfd(r0, &(0x7f00000000c0)={[0xffff]}, 0x8) r2 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r2}, {}], 0x2, 0x1) r3 = accept4$bt_l2cap(r1, &(0x7f0000000140)={0x1f, 0x0, @fixed}, &(0x7f0000000180)=0xe, 0x80800) eventfd(0x80000000) writev(r3, &(0x7f0000000280)=[{&(0x7f0000000200)="44e5eef8d05ff3e07378ea6df85e3f20299ea38bfd5fad396d01a27e64a08b340aef1f08f21ac4ab69ca0b9b520afd507e1e3a5cdfc282a6ee6967d2745cc7173dc48a0dbe6aead571d0527be92a9faef098b1daec8e6f24a6e37faea7fc34fd9956842132a39f7d355f2581b41a00f087235eaf3cf209f30c64c335f73df00f", 0x80}], 0x1) ioctl$VIDIOC_QUERYMENU(r1, 0xc02c5625, &(0x7f0000000100)={0x3f, 0x3, @value=0x9}) 12:40:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401070ca) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:00 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x29, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:00 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x6}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 511.912257] block nbd1: Receive control failed (result -32) [ 511.912591] block nbd1: shutting down sockets 12:40:00 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x2b, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 512.009511] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 512.074954] block nbd5: shutting down sockets 12:40:00 executing program 3: r0 = eventfd(0x1) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) r2 = dup(r1) r3 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCGSID(r2, 0x5429, &(0x7f0000000140)=0x0) r6 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_QUERY_BPF(r6, 0xc008240a, &(0x7f0000000180)=ANY=[@ANYBLOB="000800000000006a3a5b9001cfe940d097fe447430326b00"]) perf_event_open(&(0x7f00000000c0)={0x4, 0x80, 0x0, 0xff, 0x20, 0x0, 0x0, 0xfffffffffffffffb, 0xa0b2, 0x7, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x56, 0x2, @perf_bp={&(0x7f0000000040), 0x6}, 0x10840, 0x0, 0x3, 0x6, 0x3, 0xfffffff9, 0x0, 0x0, 0x6, 0x0, 0x3}, r5, 0x5, r6, 0x1) r7 = eventfd(0x1) r8 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r8, 0x0) preadv(r8, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r4, 0x8}, {r7, 0x3089}, {r4, 0x4000}, {r8, 0x511}, {0xffffffffffffffff, 0x2}, {r4}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r8, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$KVM_IRQFD(r3, 0x4020ae76, &(0x7f0000000000)={r8, 0x1, 0x9, r0}) poll(&(0x7f00000001c0)=[{r0, 0x2182}, {0xffffffffffffffff, 0x6509}], 0x2, 0x1) 12:40:00 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x7}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:00 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x2c, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401070cd) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 512.116933] FAULT_INJECTION: forcing a failure. [ 512.116933] name failslab, interval 1, probability 0, space 0, times 0 [ 512.184893] CPU: 0 PID: 27920 Comm: syz-executor.1 Not tainted 4.19.196-syzkaller #0 [ 512.192826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 512.202286] Call Trace: [ 512.204898] dump_stack+0x1fc/0x2ef [ 512.208667] should_fail.cold+0xa/0xf [ 512.212473] ? setup_fault_attr+0x200/0x200 [ 512.216798] ? lock_acquire+0x170/0x3c0 [ 512.220778] __should_failslab+0x115/0x180 [ 512.225117] should_failslab+0x5/0x10 [ 512.229006] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 512.234115] __kmalloc_node_track_caller+0x38/0x70 [ 512.239047] __alloc_skb+0xae/0x560 [ 512.242691] alloc_uevent_skb+0x7b/0x210 [ 512.246896] kobject_uevent_env+0xa90/0x1480 [ 512.251344] ? nbd_size_update+0x28a/0x660 [ 512.255585] nbd_ioctl+0x533/0xbe0 [ 512.259127] ? _copy_from_user+0xd2/0x130 [ 512.263364] ? nbd_disconnect_and_put+0x190/0x190 [ 512.268228] ? __lock_acquire+0x6de/0x3ff0 [ 512.272464] ? nbd_disconnect_and_put+0x190/0x190 [ 512.277841] blkdev_ioctl+0x5cb/0x1a80 [ 512.281875] ? blkpg_ioctl+0x9d0/0x9d0 [ 512.286062] ? get_pid_task+0xf4/0x190 [ 512.290179] ? mark_held_locks+0xf0/0xf0 [ 512.294265] ? proc_fail_nth_write+0x95/0x1d0 [ 512.298798] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 512.304007] block_ioctl+0xe9/0x130 [ 512.307681] ? blkdev_fallocate+0x3f0/0x3f0 [ 512.312120] do_vfs_ioctl+0xcdb/0x12e0 [ 512.316108] ? lock_downgrade+0x720/0x720 [ 512.320264] ? check_preemption_disabled+0x41/0x280 [ 512.325457] ? ioctl_preallocate+0x200/0x200 [ 512.329980] ? __fget+0x356/0x510 [ 512.333464] ? do_dup2+0x450/0x450 [ 512.337001] ? vfs_write+0x393/0x540 [ 512.340731] ? fput+0x2b/0x190 [ 512.343928] ksys_ioctl+0x9b/0xc0 [ 512.347416] __x64_sys_ioctl+0x6f/0xb0 [ 512.351310] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 512.355891] do_syscall_64+0xf9/0x620 [ 512.359710] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 512.365024] RIP: 0033:0x4665d9 [ 512.368376] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 512.387467] RSP: 002b:00007f0b3db1b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 512.395186] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 512.403087] RDX: 0000000000000000 RSI: 000000000000ab02 RDI: 0000000000000003 [ 512.410413] RBP: 00007f0b3db1b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 512.417795] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 512.425064] R13: 00007ffc2457d22f R14: 00007f0b3db1b300 R15: 0000000000022000 12:40:00 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x2f, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:00 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x8}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 512.484221] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 512.556935] block nbd5: shutting down sockets [ 512.620828] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 512.648790] block nbd5: shutting down sockets 12:40:00 executing program 1 (fault-call:6 fault-nth:4): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 12:40:00 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x33, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:00 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) r2 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r0, 0x8}, {r1, 0x3089}, {r0, 0x4000}, {r2, 0x8000}, {r0, 0x2}, {r0}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r2, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$KDGETMODE(r2, 0x4b3b, &(0x7f0000000000)) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) eventfd(0x1) poll(&(0x7f00000001c0), 0x0, 0x1) 12:40:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401870c8) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:00 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x9}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:00 executing program 2: ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000002c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000062c40)={0x0, [{r0}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r2}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r1}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r1}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r2}], 0x0, "8bebeb894f74c3"}) ioctl$BTRFS_IOC_TREE_SEARCH_V2(0xffffffffffffffff, 0xc0709411, &(0x7f000004e1c0)={{0x0, 0x10000, 0x2, 0x7, 0xfffffffffffffffc, 0x6, 0xf30, 0x3, 0x83, 0x3f, 0x0, 0x4, 0x8ac, 0x3ff, 0x5}, 0x28, [0x0, 0x0, 0x0, 0x0, 0x0]}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f000004e280)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000004e480)={0x401, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x9, "c3a83afdafed04"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000004f480)={0x2, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0}], 0x2, "c982a6bea5a590"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000002c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000062c40)={0x0, [{r7}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r9}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r8}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r8}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r9}], 0x0, "8bebeb894f74c3"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000050480)={0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000050680)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000050880)={0x3ff, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x0, "e0263a52e12811"}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000051880)={0x0, 0x0, "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", "d003f7c9d82fbd0394a962c74ecd08e9f2b1a3ae2df0afc4efc81e1ec14a761b6b20fcb5bb78446d29e54f9bbf0a9030056973972097357124501658017703943bed5117556790d453112271bcab854062e90c3a9a6493894fcc7d910f6c0046ee6d8472dcfafc57785efbe1b5245b3bd172c28132504cd72ef4c7c60b10d091b87cc215fcd70c5702d5825cc6935f768b73730f492801e30d50908865df509dc8310f2f29a64577a14dd6b856eec14a9586e2fd3306ee34916d75a11344cc1adfc54aa434f43237df314315217c5a93f5615b159fe9494df098988becc2cd4c59152fa180668e250947e3f972bfd1620f80286f31fb2e15c42afd947017ed053936810adae0bc3180a49bbc02a64d03812f80b8b7c53a601c602470af39b9cceda714f8901b7617e8b6b3701a8162a00607f2c69e631ac311df5f3198e43c45fea0b968b42e785cab76313e691f164d2193be3766e1e8e47019d644d837816454c3317e6f0e0c15ae7e40a349be814b9bdfff9853ef05f8436416b7b31b04b82562f8d5121aa0aa73b24fd0da45f37330e3cce970741a83048020282d630811aeb16fbc3b0cf7f7e00d1541ded350b45ca91afb9466890731b42e1ccdeab9151278f39b23a86fc243505e29dbd73f9e542036e3b7b82d70caa2fa223fb7cf815f60c33e6cf26db448c0534011d63b8aad2c3e09b466e578acc4b8188fd2cc2bc6281ca8da29065e5a7a0d28972b53d4bd54ca72a37d03f891423ca18188ac9374dfe30a30fb647e22168225874b93705b37570cec2e6fe22df18b17078483d0e956f9d7c4811c83ea6e5a3bdb80b6148363ee5dafe1f010bafae07d31da5ce650195d976624e57d8dd3e12411e1207316f8725f6f1fd2fcdecc9d02edbfdaed6c9895bb11985d2ede93ffd6c2434b0a2199f9196d488bc4fb890a5148ddda2f6082fb225101496e9526f2ddd4b2a46afabaeb0920ce9647c45d9e24addf193f21e01cf7f590be01662d95e34029268a88d4fa25eb707f9db60a166a39ab69f81b163532bbc41030454cffc1b69f2d5bf4d2700d666ed67b04d949b920627404bbbd5b68b0fadd86c6827c0e07501d62b1a82550afc85d98cbd01b206d6345329908f9ff66d5b4e329d5575e1edb1ca1f5cff483f379495517baa16ee85598ed858ad8d7727a53782911ebfdd7d8e6935112c52ad3f296e0aee803ca53c886f04b046dc93e6c1371b456b6e3247edede15d0d1145ca08502ddb243915dcbad0e1a2bf0027be637bbb3913db7835060e1f45e5f331e2c5c6e0d3ec498bafe884aaada01ae47e5a4373b2cc874705e2bfbc31fb9620439e5ba886b6acb145517f82e2b395b182de445c50501e7e32f2ab51e217970e6fa8902667ce548ff45e14bec81aa0d408c1af34f06dbf1b02d1e9adce800a6a7d64714b065742c24beb0dc0c638eac1a5e66b688191a278c7116d0aed6b8efcf39010f3af49f4af9c0662fdaa54349f81e8aa0e82af9f6f8ad029a53d0ecb1b894457f8624f89716ed5c7b02b90e6175612d91156bfab34523df4519c4938d3d57f3003ce1297bd0a403adbb6ebb9f53da51f15abb109af6a69c4445157711474164a4b3f1f7386cd11252bdf9db0210c11fa8195fd8cbddf13b08467137dc31eac864ad3ea9443c07214937ed3623b43ab046dd67799f1971130cad9938b09038f55f311baafa4ecc457c1520b61f87eab7728d6a8f7cac35c92df0a18ba87beb2ac3126208efa7be1c964eb4dc8b08432867956552a78c4a4f03e5e69a1755cb51167d5a5724cf8a5c7f1dd70b51a7f145dd3ba34349dfc929aa96f86daf7ab0a52a14273ec806a6b038b1cacdad808e3b673dd0d8e0731f4bef04d5cb2fb978bb41aaff9433a262a51eb18802a775c8c48acb85e5ae364449514e72c674cf4cdc316a5e241b15b9279b02742d43871adeb982b9f031cbed06b555e1be6a68b1721cc175db7efe3cd9364c3e14dee6fc248e790a50161388720822b17cce7b59173762bbcec02075dec0931f49aa578563f276983c801d239a735cfc1809164b1a5e2ee032cc679f625e111b63761ca3a9aab5e8fecf782dab5b4de73513c00ced9425d1fbed475a43e358e1a4068eb2a6dd544f1a8b3f079f10f4ade8fbb764b236a559fe0da61595fadee695e1fcfa038c4345cec883fa851f9ed63a0f8b8caccd48a66e579ef6c157d6cf5486dc5ff56b30150e21f7315ccf592a3ab4a80990a1e42218d725556b3870aee20bbcd46b0b4886f14460c1fc8106b12eaa7ebddd75f040b20a6ce62055b5dc1ee0d33602654b8586b08c2c89d571ba64fc7d892a18ad2204e9f1321ce15b992ab789f2515b46bb6cd42b00d62c0639efcc722c7baab371a26603700474c13013f230a8eb2da25d6e13e300bbf78526ac86024a859fd49f130c2521d055e1179c6be4673c75193f7b287304e3a773882caab781485c9bad206ba08b7f685428e945d4e0b406f4fd9cd8de83638a5590bed5f05717531cfe9457936151d6fe2bd19d3567ab8f9e1ef9177eb92143931697251af25934a8ed401d95c8779b4055f6c1fa42fe3a38d8231b8d6723b2f96178cf71072207cd3804b6df14c7aa8336b542f8d071250736c9a5227559501e0ac638d70deae865a0aac0cebd4019591102d59cc39a1919338992d39690b64d238c99917861178c894d8c573c643aa03f68e48ab9f167e8850278093d2120b626c9e4304534fc5bdbee0f36d01e87b509e1659537b74730981fd8aa4cc252e788a5e33e0dda568cc67884cc0b9bbd6cb26a34a1e0040859c4d1dffa2bd62636a082041d5684feebf5bd79654d3a30e6886613a7db10c167ebc334f31293a21ad0f7649fec1717c1c2bdbd4ebd44f6a99e3a155a53498dec587eb17a2dd5aed31634e7e850c5da70d1eb60b6e117335ef68cb4c9c39c0e1da7bdb94a4023c4827568b7cee7d6240b34c56b75d14b7c939d67068118e47757e8c444be7e25bc586c316da7ab07167f054470bab7703736b3ecc232da9a2e2e34692dba54dddff094218e614891e2bf878b288895ed6786a2a969f987e4912c9baa45beb30cbe65daf410ee1b5ad589015c28cd747591cf993185b99b507d824c1f4fd033522538e3b35f2273ada787e3a38cbecaa2772f05697819417225db127704b055e10d78d0aee7bdcbf9b12a5eaec211160d31c061580bf76eb2cbb958c9e87a3b7a4069d555d93f2286c3330952c7a5f88755d22dc3270d8a19b97530d5a1bd09b5c91d55243c60e0f31e2dff65a3d34b83b6c57082194f25c5df19ebf95f6499888bbb8ba14435112038bc3d125d44caa977ed6bbb3d9883edcb21a70da4eed85ba00c5173585e996b0175ec3f57a60f5523e8290966d4523ba535781cc329dcfa034eced906b58b0f431b6e52fef531ef1d35e7551bd06082c9bae3a3188fac47e7c8fe711a701c8fb2ca31518a59865d90f41a1dede16041620c53a67f9e27c5949c95d10892a484b61d2c0dee0d114dac363bb94f23bc8cc6db107576224f81f09bbb9ffaf17a58feae299fce411590814ce1b539a0ae33e2372dd6b8ff3337c358894588512c6a0ea6a86700b999c32f494b3aeb11f669b75b53e2fc13674a6fdd78110135e7e1a580eeb5a1ad59c7217b878ac61d64e84de3fede5fcfaa72b95748759f6fd323b1d4d7655fac9fc96e14229e482046d388237f720670d76dc348e4cf5a29af9baf8ddf655b6132cf043f4667ceaca726585af49dba847bbd283a1c11f1b79a2cab7621d9d3a4400f59fadb82a2ca529a2cead9279d3f19f671939e9f2403a7858efd804e18e9db28da843005f3325593e69a8e750f097e43b6fc2688c498e977c06850c361360e5efb48895803e32dd2b3eb865ac743eaf13d4058c91b98b49e4c4e6639fd0b10b6089244249881d50c849a596f5d824dd4f55c41f1a454fb84bde39455a42c75c5065c890efe24a2a9ed5bc6f738330bbefc13fdab5c5ebe9ef19affdfa0c7b6df797446f02a43a70cbdb7f7f366f78e673ff22a6f4891161613ab91c0f076dcdb321baf546d0e229edd099ec0df9b27df334469fcde6ba6090691754617fef82d3ff10b0cdce5436910e06381236417fcec596483c7aea0c65357c098710507328399bc3660177d79469770803e6c2ccbcbe49c1fb7b4ea8a5669fd366c68e891e3dd4edb37a8f172a6360a243cf1447c352cf888638c9e5609d2dae51c1f5ea22bdf058d5c17d38eac398513ed3e3112adca21900d8ff270ee223d8550f93208262596749a7c1b7d592ff17fc8aa53f77f06035f94b41187d6b6ebe3c8e3e0ddc910792ed304965e90108a13f3cbf109619b2e92a1a3a858c71968b4054a80b8f538cd4dce19eb8479020f7502f048a67b351341e2a59ba6bbe657c6347b8710b321a86410f7c5f84d40814ac024aea034bc6038a59978304585719e79795e56297f7f550dd5d45d655973725a7f49670ab8020d41c4c7e8e9fe95052e7c2b387873e42aa02c97eda951361f681b77c189cc0e5ca6343a2e4e1efcd02ddd369bdfee83e43ffe8772add6db03a744d5abd9c7aca905e643a100869b65866fc048bb7c93c6340bb2f6b1fe70946a97dd87dc48f0f744f7447f05ce1358b72d4e8a0d884cc45a5f2a1e5bc74adac469f0a49bc5c4bb774101aa7ada7d0a68a4d32d7caf0cf792ea48f822652bfbed472696d9ef983ec6bc7b56c6e1d4ec49022aed51ebf33176ce755c434d7430f7ef3cbef84d01e8e582b837d2e03b0d8113a65038bf59acc3b8b220401456b449824f7d6df4124db90b7b82dce296267635e9b4fdbecb5f5c4743668b0b7da9d285375b6a262adbb3cb74c5f864391439105fc2dc50a82d50e9d184a0e1f2fbfcbce36b2ba3e22cbcb742aa993b12269645f7aadc39207b6ac8d21738ecdedc6b54bd6adf49eb624fe6078d04231cf3029f71159ce5d4898f485054816307beca9d6bada21f005a74d4d1054e7197e29a72c96120997e510ec2708a16764f51c5e4f91a6fa9a7047845e9818858feb642acfad381eaa1fb6368b4a8e085ffbafbad20085975377084304052cafc4b471b4ce95175df7cf5559a4b28904cf4c12a7a14d7b7727b01c1683f637e81d2c4292af763e48fc19c6501001167c46004b8d40a25573c1fee60d43f88d62cf81e982960188de622e6524f6a0c9266f589f1683e4b502b516c0205a00a80f3bf82f3523e2d933774f9f59f50eec807da3b0482b6daf8ef918bd2eb8f8c6bf7a8267784cd978cd407f32381af90eb1b85d24a44e52b663d71c614e3f9179da98b5855c9abe7ea5e9ff83824436de7789676724b077bcd9ff2154e56313a531768353bf6d6e421864aa0870cc27b578491fffd1134532d"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000002c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000062c40)={0x0, [{r14}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r16}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r15}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r15}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r16}], 0x0, "8bebeb894f74c3"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f0000052880)={0x0, ""/256, 0x0}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(0xffffffffffffffff, 0xd000943e, &(0x7f0000052a80)={0x0, 0x0, "dfd0ab3b521cba044ed268f1ebcdf737b10b341aa5a60854dfa62e2c38978945e8875f5a0582be2863582c4ff6cbee851b6487a96e4b23287bbe2a6a3f3a4b5312a84bb98825f7f223733061ab1e419ddebe50a6855f9f56ddd1e7d4951258da116bc5222ca607c745e6e5b0a7b515a7aea9241e205a47c14de958ef4d56a9bf510a184cc0968e2cb9a8fbb9ea5f9608f87b469d772b2ec8a46b67edfc39526660c0c826339ff9ea40708b76575bd4b5eb536a8b2b539702a613433dcefeaad5d2c6d7cfc9f3404726b8b6f44dd8e1a553827e04746013454f5b9894028bce38c503fd169ac1c13a57ff0c2d925985152a4e04c6ad1485dd192d25212ec6f6ff", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000053a80)={0x72, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r2}, {r3, r4}, {}, {}, {}, {0x0, r5}, {}, {r6, r9}, {r10}, {0x0, r11}, {0x0, r12}, {r13}, {}, {r15}, {}, {r17, r18}], 0x1, "26a87bbd8d2eb8"}) r19 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r20 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r20, r19) [ 512.838165] block nbd1: Receive control failed (result -32) [ 512.846245] block nbd1: shutting down sockets 12:40:01 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x3a, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 512.932463] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:01 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000200)={0x3, 0x80, 0x7f, 0x20, 0x3f, 0x1f, 0x0, 0x2, 0x0, 0x4, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x3, 0x0, @perf_bp={&(0x7f00000000c0), 0x1}, 0x4049, 0x9, 0x1ff, 0x9, 0x5, 0x5, 0x8000, 0x0, 0x5}, 0xffffffffffffffff, 0xa, 0xffffffffffffffff, 0x3) r1 = getpgid(0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r1, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000000)={0x0, 0x80, 0x8, 0xbc, 0x28, 0x0, 0x0, 0xed, 0x10001, 0x8, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x8, 0x4, @perf_config_ext={0x7}, 0x0, 0x3, 0x6, 0x6, 0xbd44, 0x5, 0x100, 0x0, 0xfffffffe, 0x0, 0x1ff}, r1, 0xb, r0, 0x4) r2 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 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, 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$PERF_EVENT_IOC_QUERY_BPF(r2, 0xc008240a, &(0x7f0000000000)=ANY=[@ANYBLOB="000515ffffed0000"]) ioctl$PERF_EVENT_IOC_PERIOD(r2, 0x40082404, &(0x7f0000000080)) r3 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r3}, {}], 0x2, 0x1) 12:40:01 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0xb}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 513.013317] block nbd5: shutting down sockets 12:40:01 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r1, r0) pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x4800) r4 = syz_open_dev$mouse(&(0x7f00000000c0), 0x0, 0x80) ioctl$NBD_SET_SOCK(r4, 0xab00, r3) r5 = socket(0x18, 0x0, 0x0) getsockname$netlink(r5, 0x0, &(0x7f0000000380)) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000002c0)={0x0, 0x3}, 0x0) getsockopt$inet_sctp6_SCTP_GET_ASSOC_STATS(0xffffffffffffffff, 0x84, 0x70, &(0x7f0000000500)={0x0, @in6={{0xa, 0x4e24, 0x76c8, @remote, 0x7}}, [0x46a, 0xfff, 0x80000001, 0x2, 0x401, 0x800000000, 0x0, 0xffffffffffff0001, 0x101, 0x1, 0xa4, 0x1, 0x1, 0x6, 0xfffffffffffffdaf]}, &(0x7f0000000100)=0x100) ioctl$NBD_SET_SOCK(r2, 0xab00, r5) r6 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r7 = eventfd(0x1) r8 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r8, 0x0) preadv(r8, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r6, 0x8}, {r7, 0x3089}, {r6, 0x4000}, {r8, 0x8000}, {r6, 0x2}, {r6}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r8, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf2507000000080001005e00000008000300", @ANYRES32=0x0, @ANYBLOB="0c00990000000080770000000a00e800ffffff0000140017800600030004000200040002000400020000000028d1025493506601b6440d5eeecce2485ddb58c34aae056d2804e137f0e3d4226e5ca19fa18967d36caaa14983582a4502ad024c6da9d6e5c2a8aa041e8a8edbc511d5abc02ceb5d2972a7e946966b9f93b31a80663f7a65f02d2dabc2bc3c956c4420991fa14380577cde7c78232f17fea7953eed302eb13d88239dd3d780d9c0aedbd9520e63b23ec994efdf50b2164da2ec3a"], 0x50}}, 0x800) ioctl$NBD_DO_IT(r8, 0xab03) [ 513.038095] FAULT_INJECTION: forcing a failure. [ 513.038095] name failslab, interval 1, probability 0, space 0, times 0 [ 513.093426] block nbd5: shutting down sockets [ 513.098341] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 513.123149] CPU: 1 PID: 27975 Comm: syz-executor.1 Not tainted 4.19.196-syzkaller #0 [ 513.131092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 513.140449] Call Trace: [ 513.143046] dump_stack+0x1fc/0x2ef [ 513.146691] should_fail.cold+0xa/0xf [ 513.150504] ? setup_fault_attr+0x200/0x200 [ 513.154836] ? lock_acquire+0x170/0x3c0 [ 513.158825] __should_failslab+0x115/0x180 [ 513.163069] should_failslab+0x5/0x10 [ 513.166883] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 513.171998] __kmalloc_node_track_caller+0x38/0x70 [ 513.176939] __alloc_skb+0xae/0x560 [ 513.180581] alloc_uevent_skb+0x7b/0x210 [ 513.184659] kobject_uevent_env+0xa90/0x1480 [ 513.189098] ? nbd_size_update+0x28a/0x660 [ 513.193364] nbd_ioctl+0x533/0xbe0 [ 513.196934] ? _copy_from_user+0xd2/0x130 [ 513.201089] ? nbd_disconnect_and_put+0x190/0x190 [ 513.205964] ? __lock_acquire+0x6de/0x3ff0 [ 513.210206] ? nbd_disconnect_and_put+0x190/0x190 [ 513.215052] blkdev_ioctl+0x5cb/0x1a80 [ 513.218949] ? blkpg_ioctl+0x9d0/0x9d0 [ 513.222843] ? get_pid_task+0xf4/0x190 [ 513.226733] ? mark_held_locks+0xf0/0xf0 [ 513.230795] ? proc_fail_nth_write+0x95/0x1d0 [ 513.235296] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 513.240238] block_ioctl+0xe9/0x130 [ 513.243871] ? blkdev_fallocate+0x3f0/0x3f0 [ 513.248194] do_vfs_ioctl+0xcdb/0x12e0 [ 513.252114] ? lock_downgrade+0x720/0x720 [ 513.256264] ? check_preemption_disabled+0x41/0x280 [ 513.261290] ? ioctl_preallocate+0x200/0x200 [ 513.265705] ? __fget+0x356/0x510 [ 513.269162] ? do_dup2+0x450/0x450 [ 513.272709] ? vfs_write+0x393/0x540 [ 513.276434] ? fput+0x2b/0x190 [ 513.279636] ksys_ioctl+0x9b/0xc0 [ 513.283095] __x64_sys_ioctl+0x6f/0xb0 [ 513.286986] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 513.291587] do_syscall_64+0xf9/0x620 [ 513.295396] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 513.300583] RIP: 0033:0x4665d9 [ 513.304211] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 513.323356] RSP: 002b:00007f0b3db1b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 513.331082] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 12:40:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401870cb) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:01 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x25}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 513.338373] RDX: 0000000000000000 RSI: 000000000000ab02 RDI: 0000000000000003 [ 513.345666] RBP: 00007f0b3db1b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 513.352932] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 513.360286] R13: 00007ffc2457d22f R14: 00007f0b3db1b300 R15: 0000000000022000 [ 513.415181] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 513.526532] block nbd5: shutting down sockets [ 513.564191] block nbd5: shutting down sockets 12:40:01 executing program 1 (fault-call:6 fault-nth:5): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 12:40:01 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x3b, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:01 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x4, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8001, 0x0, @perf_config_ext={0xb, 0x7}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(r0, 0x4008240b, &(0x7f0000000040)={0x4, 0x80, 0x0, 0xb0, 0x0, 0x3f, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x8, 0x4, @perf_bp={&(0x7f0000000000), 0x4}, 0x10200, 0x5, 0x3, 0x1, 0x1, 0x9, 0x1ff8, 0x0, 0x8}) 12:40:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x401870cc) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:01 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$BLKTRACESTART(r0, 0x1274, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x3) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) dup2(r1, r0) 12:40:01 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x74}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 513.759349] block nbd1: Receive control failed (result -32) [ 513.759609] block nbd1: shutting down sockets 12:40:01 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x3c, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:01 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) dup(r1) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = eventfd(0x1) r4 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r2, 0x8}, {r3, 0x3089}, {r2, 0x4000}, {r4, 0x8000}, {r2, 0x2}, {r2}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r4, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f00000000c0)={0x38, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@NL80211_ATTR_IFTYPE={0x8, 0x5, 0x5}]}, 0x38}}, 0x800) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) dup2(r1, r0) [ 513.874700] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 513.900133] block nbd5: shutting down sockets 12:40:02 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) eventfd(0x1) 12:40:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x4020940d) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 513.931720] FAULT_INJECTION: forcing a failure. [ 513.931720] name failslab, interval 1, probability 0, space 0, times 0 12:40:02 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x7b, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 513.999144] CPU: 0 PID: 28030 Comm: syz-executor.1 Not tainted 4.19.196-syzkaller #0 [ 514.007060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 514.016508] Call Trace: [ 514.019115] dump_stack+0x1fc/0x2ef [ 514.022755] should_fail.cold+0xa/0xf [ 514.026574] ? setup_fault_attr+0x200/0x200 [ 514.030903] ? lock_acquire+0x170/0x3c0 [ 514.034922] __should_failslab+0x115/0x180 [ 514.039166] should_failslab+0x5/0x10 [ 514.043000] kmem_cache_alloc_trace+0x284/0x380 [ 514.047674] ? wait_for_completion_io+0x10/0x10 [ 514.052352] ? kobj_ns_initial+0x90/0x90 [ 514.056419] call_usermodehelper_setup+0x84/0x300 [ 514.061364] kobject_uevent_env+0xe83/0x1480 [ 514.065813] ? nbd_size_update+0x28a/0x660 [ 514.070058] nbd_ioctl+0x533/0xbe0 [ 514.073605] ? _copy_from_user+0xd2/0x130 [ 514.078636] ? nbd_disconnect_and_put+0x190/0x190 [ 514.083498] ? __lock_acquire+0x6de/0x3ff0 [ 514.087740] ? nbd_disconnect_and_put+0x190/0x190 [ 514.092588] blkdev_ioctl+0x5cb/0x1a80 12:40:02 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 514.096478] ? blkpg_ioctl+0x9d0/0x9d0 [ 514.100377] ? get_pid_task+0xf4/0x190 [ 514.104372] ? mark_held_locks+0xf0/0xf0 [ 514.108442] ? proc_fail_nth_write+0x95/0x1d0 [ 514.112968] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 514.117915] ? rcu_nmi_exit+0xb3/0x180 [ 514.121812] block_ioctl+0xe9/0x130 [ 514.125454] ? blkdev_fallocate+0x3f0/0x3f0 [ 514.129780] do_vfs_ioctl+0xcdb/0x12e0 [ 514.133673] ? lock_downgrade+0x720/0x720 [ 514.137822] ? check_preemption_disabled+0x41/0x280 [ 514.142842] ? ioctl_preallocate+0x200/0x200 [ 514.147274] ? __fget+0x356/0x510 [ 514.150741] ? do_dup2+0x450/0x450 [ 514.154285] ? vfs_write+0x393/0x540 [ 514.158031] ? fput+0x2b/0x190 [ 514.161267] ksys_ioctl+0x9b/0xc0 [ 514.164731] __x64_sys_ioctl+0x6f/0xb0 [ 514.168627] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 514.173213] do_syscall_64+0xf9/0x620 [ 514.177374] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 514.182561] RIP: 0033:0x4665d9 [ 514.185748] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 514.205181] RSP: 002b:00007f0b3db1b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 514.212894] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 514.220154] RDX: 0000000000000000 RSI: 000000000000ab02 RDI: 0000000000000003 [ 514.227508] RBP: 00007f0b3db1b1d0 R08: 0000000000000000 R09: 0000000000000000 [ 514.234770] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 514.242050] R13: 00007ffc2457d22f R14: 00007f0b3db1b300 R15: 0000000000022000 [ 514.266246] block nbd5: shutting down sockets [ 514.333861] block nbd5: shutting down sockets 12:40:02 executing program 1 (fault-call:6 fault-nth:6): r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 12:40:02 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x2, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:02 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:02 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0xff, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0xf20, 0x101}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0xf8, 0x2, 0x8f, 0x1f, 0x0, 0x9, 0x44104, 0x8, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x2, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x2, @perf_bp={&(0x7f00000000c0), 0x6}, 0x3, 0xfffffffffffffffb, 0x14, 0x8, 0x100, 0xe5a, 0x40, 0x0, 0x9, 0x0, 0x8}, 0xffffffffffffffff, 0xa, 0xffffffffffffffff, 0xa) r1 = eventfd(0x1) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = eventfd(0x1) r4 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r2, 0x8}, {r3, 0x3089}, {r2, 0x4000}, {r4, 0x8000}, {r2, 0x2}, {r2}], 0x6, 0x1) r5 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r6 = eventfd(0x1) r7 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r7, 0x0) preadv(r7, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r5, 0x8}, {r6, 0x3089}, {r5, 0x4000}, {r7, 0x8000}, {r5, 0x2}, {r5}], 0x6, 0x1) r8 = openat$mice(0xffffffffffffff9c, &(0x7f00000005c0), 0x80000) io_submit(0x0, 0x4, &(0x7f0000000640)=[&(0x7f0000000300)={0x0, 0x0, 0x0, 0x0, 0x1000, 0xffffffffffffffff, &(0x7f0000000200)="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", 0xfc, 0x0, 0x0, 0x2}, &(0x7f0000000440)={0x0, 0x0, 0x0, 0x5, 0x3ff, 0xffffffffffffffff, &(0x7f0000000380)="a03a9911da1e166a98b9e85e482968165f294441ce6f0e3b0b9989fba935c5472d776165d41e3a89e5abcfe0cd78aec3d8657c083610ee9a759e46c2005c9dbc99701080d0692039d4acaf7fb52da7c1e4e9153fab91feff4f578d5e22b32a0970ae8b595ac96ffba2600c68342445ac61b3c752b145be7d21398ff6aaeb634d52b9a20d4a8025fd6abbc9b8f9300231a49688e2a97b6b42140bf998af26a0e9b51a267420c5f88a5d335637a9", 0xad, 0xae9, 0x0, 0x3, r3}, &(0x7f0000000500)={0x0, 0x0, 0x0, 0x1, 0x4d7, r0, &(0x7f0000000480)="a8bf39ca887d3d3597de342824616d8ef6a79e9eb107e82fc6ac6386b66fa43fa73b2ec88d2c840a76a10bf5531e831984bd5cac4c4e54a08ac8ff5d49ce05134029b7541cfe328c02e5fe", 0x4b, 0x101, 0x0, 0x0, r6}, &(0x7f0000000600)={0x0, 0x0, 0x0, 0x5, 0x4, 0xffffffffffffffff, &(0x7f0000000540)="f28e6f282033d8b04da6fdc35a81f9e2522822865e8b64bdaea30bbaa23752d5b90aca0ba414bdec92d7b48a2d7fa6e4b028f2857e58947de0195e1b8a9c2a1824bed296d250", 0x46, 0x6, 0x0, 0x2, r8}]) poll(&(0x7f00000001c0)=[{r1, 0xf50b}, {0xffffffffffffffff, 0x1}], 0x2, 0x200001) r9 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000040), 0x379202, 0x0) ioctl$KVM_IOEVENTFD(0xffffffffffffffff, 0x4040ae79, &(0x7f0000000080)={0x1000, &(0x7f0000000000), 0x8, r9, 0x1}) 12:40:02 executing program 2: ioctl$RTC_WIE_OFF(0xffffffffffffffff, 0x7010) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r1, r0) 12:40:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x80081270) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 514.667916] block nbd1: Receive control failed (result -32) [ 514.669202] block nbd1: shutting down sockets 12:40:02 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x2000) dup2(r1, r0) 12:40:02 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x3, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 514.795187] block nbd5: shutting down sockets 12:40:02 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x2}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0x80081272) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 514.823316] block nbd5: shutting down sockets 12:40:02 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) ioctl$BTRFS_IOC_DEV_INFO(r0, 0xd000941e, &(0x7f0000000200)={0x0, "218efe25daad4682ded22b0644448c31"}) ioctl$BTRFS_IOC_DEV_REPLACE(r1, 0xca289435, &(0x7f0000001200)={0x1, 0x3e04, @start={r2, 0x0, "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", "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"}, [0x3f, 0x9, 0x7, 0x6, 0x3a, 0x2, 0x9, 0x8000, 0x1, 0x1, 0x6, 0x9, 0x53b, 0x2, 0x1f, 0x6, 0x5, 0x97e9, 0x1, 0x400, 0x10001, 0x80, 0x7, 0x7ff, 0x63, 0x20, 0x3f, 0x1, 0x8, 0x1000, 0x4, 0x2, 0x1b2, 0x1002, 0x1, 0x8, 0x80, 0x1, 0x6, 0x9, 0x7ff, 0x100000000, 0x0, 0x3, 0x4d3, 0xa2, 0xc65, 0x0, 0x7fff, 0x0, 0x1f, 0x8000, 0x6, 0x1, 0xfffffffffffffea5, 0x4, 0x6, 0x8001, 0x9, 0x7, 0x1, 0x5, 0x8, 0x3]}) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) fsetxattr$security_capability(r0, &(0x7f0000000080), &(0x7f00000000c0)=@v2={0x2000000, [{0x5, 0x1f}, {0x80000000, 0x3f}]}, 0x14, 0x2) r3 = syz_open_dev$vcsn(&(0x7f0000006100), 0x7, 0x3) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r5 = eventfd(0x1) r6 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r4, 0x8}, {r5, 0x3089}, {r4, 0x4000}, {r6, 0x8000}, {r4, 0x2}, {r4}], 0x6, 0x1) r7 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000100), 0x200000, 0x0) ioctl$KVM_IRQFD(r3, 0x4020ae76, &(0x7f0000000140)={r5, 0x9, 0x8, r7}) getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, &(0x7f0000006140), &(0x7f0000006180)=0x4) ioctl$vim2m_VIDIOC_QUERYBUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000000)={0x7f, 0x1, 0x4, 0x800, 0x8, {0x77359400}, {0x5, 0x2, 0x27, 0x8c, 0x0, 0x4b, "6ba6efae"}, 0x1, 0x3, @offset, 0x9}) 12:40:02 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x4, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 514.998852] block nbd5: shutting down sockets [ 515.055383] block nbd5: shutting down sockets 12:40:03 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x0) 12:40:03 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, 0xffffffffffffffff) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r1, r0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = eventfd(0x1) r4 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r2, 0x8}, {r3, 0x3089}, {r2, 0x4000}, {r4, 0x8000}, {r2, 0x2}, {r2}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r4, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$BINDER_WRITE_READ(r4, 0xc0306201, &(0x7f0000000100)={0x28, 0x0, &(0x7f0000000000)=[@dead_binder_done, @clear_death, @exit_looper, @decrefs={0x40046307, 0x2}], 0x7d, 0x0, &(0x7f0000000080)="16f06eccf29bc0f4a3732e78c78b3be5fd866a3b896fed242ef8227166ca2ff8f468b753da93f5ff190c216bb901292953fd0a75b1a90da51a994fda01818883b759288aed2d3b6e01a8434ee5c383939f364908e5a34cbc2334497f3eb60d3e92367656b29ad25af979f4b045ed8545aa706d532969021c824cfc8ed7"}) ioctl$NBD_SET_FLAGS(r0, 0xab0a, 0x8) r5 = syz_open_procfs(0x0, &(0x7f0000000140)='net/arp\x00') bind$bt_l2cap(r5, &(0x7f0000000180)={0x1f, 0x1000, @none, 0xff}, 0xe) 12:40:03 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x5, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:03 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x3}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:03 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = eventfd(0x1) r4 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r5 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) readv(r5, &(0x7f0000001580)=[{&(0x7f00000000c0)=""/138, 0x8a}, {&(0x7f0000000000)=""/7, 0x7}, {&(0x7f0000000400)=""/4096, 0x1000}, {&(0x7f0000000300)=""/79, 0x4f}, {&(0x7f0000001400)=""/207, 0xcf}, {&(0x7f0000001500)=""/111, 0x6f}], 0x6) poll(&(0x7f00000001c0)=[{r2, 0x8}, {r3, 0x3089}, {r2, 0x4000}, {r4, 0x8000}, {r2, 0x2}, {r2}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r4, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$LOOP_CHANGE_FD(r4, 0x4c06, r0) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) 12:40:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 515.578354] block nbd1: Receive control failed (result -32) [ 515.579959] block nbd1: shutting down sockets 12:40:03 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x4}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:03 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x6, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 515.714733] block nbd5: shutting down sockets 12:40:03 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = signalfd4(r0, &(0x7f0000000000)={[0x7]}, 0x8, 0x800) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r2, r0) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) ioctl$FS_IOC_GET_ENCRYPTION_POLICY_EX(r3, 0xc0096616, &(0x7f0000000080)={0x6, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) [ 515.753781] block nbd5: shutting down sockets 12:40:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0045878) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 515.805312] net_ratelimit: 3 callbacks suppressed [ 515.805325] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:03 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r1, r0) 12:40:03 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x7, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 515.894535] block nbd5: shutting down sockets [ 515.943215] block nbd5: shutting down sockets 12:40:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x2, 0x0) 12:40:04 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x5}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:04 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x400000) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r2 = dup2(r1, r0) r3 = openat$cgroup_ro(r2, &(0x7f0000000000)='freezer.parent_freezing\x00', 0x0, 0x0) fcntl$F_SET_FILE_RW_HINT(r3, 0x40e, &(0x7f0000000080)=0x2) 12:40:04 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x9, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0101282) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:04 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0xff, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) perf_event_open(&(0x7f0000000000)={0x0, 0x80, 0x1, 0x80, 0x6, 0x6, 0x0, 0x10001, 0x20402, 0x11, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x7, 0x1, @perf_config_ext={0xfd5, 0x9}, 0x0, 0x7, 0x1f, 0x4, 0x3, 0x5, 0x3f, 0x0, 0x9, 0x0, 0x3}, 0xffffffffffffffff, 0x7, r0, 0x2) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) r2 = syz_mount_image$tmpfs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x800, 0x1, &(0x7f0000000100)=[{&(0x7f0000000200)="e8702d0ad829eee0b39af96e87a3c1a73b4c1fea2a1bcb52e00a6ef3086037950163f91add8ad3722d27a060c60a6f2b3e915cdf62823c995ee7a25b94b1c34e61ec6febd0d9ff18cf7d7990e11e5643563298ea8ac482a666bf9637096c73b3f590f2b2ba112401ff0a3e9b48597434290bf7fbe94d96fed827cce5e5d3c484373d1f51fd2506882afb6b095806a366d43e58813e4289ff1abbdd8b9949e4e07d077e14daea8d774df1e797cb6d7dbaf62f4dbb6aac187d0354526e060272c3520305", 0xc3, 0x1fffc000000}], 0x20000, &(0x7f0000000300)={[{@size={'size', 0x3d, [0x35, 0x0, 0x0, 0x6b, 0x37]}}, {@mode={'mode', 0x3d, 0x136}}, {@gid={'gid', 0x3d, 0xffffffffffffffff}}, {@huge_within_size}, {@huge_advise}, {@huge_within_size}, {@nr_blocks={'nr_blocks', 0x3d, [0x65]}}, {@huge_advise}], [{@seclabel}, {@dont_measure}, {@euid_gt={'euid>', 0xffffffffffffffff}}, {@context={'context', 0x3d, 'root'}}, {@dont_hash}, {@rootcontext={'rootcontext', 0x3d, 'sysadm_u'}}, {@obj_type={'obj_type', 0x3d, '!\xcc,'}}]}) ioctl$BTRFS_IOC_SUBVOL_GETFLAGS(r2, 0x80089419, &(0x7f0000000140)) [ 516.507516] block nbd1: Receive control failed (result -32) [ 516.512586] block nbd1: shutting down sockets 12:40:04 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) pipe(&(0x7f00000005c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r2, r0) ioctl$FS_IOC_GETVERSION(r2, 0x80087601, &(0x7f0000000000)) r3 = socket(0x18, 0x0, 0x0) getsockname$netlink(r3, 0x0, &(0x7f0000000380)) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) [ 516.575090] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:04 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) mmap(&(0x7f0000ffe000/0x2000)=nil, 0x2000, 0x1000002, 0x2010, r0, 0x9a26a000) poll(&(0x7f00000001c0)=[{r1}, {r0}], 0x2, 0x10000004) 12:40:04 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x6}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 516.634384] block nbd5: shutting down sockets 12:40:04 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0xa, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0189436) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 516.692875] block nbd5: shutting down sockets [ 516.694698] block nbd2: Unsupported socket: shutdown callout must be supported. 12:40:04 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) dup(r1) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r2, 0xae60) ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) r3 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = eventfd(0x1) r5 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r3, 0x8}, {r4, 0x3089}, {r3, 0x4000}, {r5, 0x8000}, {r3, 0x2}, {r3}], 0x6, 0x1) ioctl$KVM_IOEVENTFD(r2, 0x4040ae79, &(0x7f0000000040)={0xd000, &(0x7f0000000000), 0x0, r4, 0xa}) [ 516.772656] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 516.775210] block nbd2: Unsupported socket: shutdown callout must be supported. [ 516.875514] block nbd5: shutting down sockets [ 516.955580] block nbd5: shutting down sockets 12:40:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x301, 0x0) 12:40:05 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x11, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:05 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, &(0x7f0000000000)={r1, 0xc41d, 0x9, 0x4}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r3 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = eventfd(0x1) r5 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r3, 0x8}, {r4, 0x3089}, {r3, 0x4000}, {r5, 0x8000}, {r3, 0x2}, {r3}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r5, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) r6 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f00000000c0), 0x100, 0x0) r7 = socket(0x18, 0x0, 0x0) getsockname$netlink(r7, 0x0, &(0x7f0000000380)) sendto$inet(r7, &(0x7f0000000400)="49030f1da3c3e978ee82f041aac67be3aa2c35e83070649e206745873bed91d29b97771e8e7df6e1cd13925fb15464104d54002310d519d091f82802410701b096cd1ceb2309486fc3e72f5113b61c60eb473de3fffecdb3ea5ebee871e1e356d6d1f494286d0f6cb5034b08778e5ae8f1260c9e665307aebdaca0b6a3d5878d9f350a0a28cd029e0c63bf0d13475c21ea846ef8afa0989bb3f37788ab37634a04df401bd05c3d56e5d1846a75437482120db996ed7ff18c7a58189855815e81d064ed6ad28e7a6cf83564d1f2", 0xcd, 0x4000004, &(0x7f0000000100)={0x2, 0x4e24, @dev={0xac, 0x14, 0x14, 0x3f}}, 0x10) ioctl$NBD_SET_SOCK(r5, 0xab00, r6) dup2(r1, r0) pipe2(&(0x7f0000000080), 0x0) 12:40:05 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x7}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc020660b) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:05 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000000)='?\x8a@]\x00') poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) [ 517.449189] block nbd1: Receive control failed (result -32) [ 517.451222] block nbd1: shutting down sockets [ 517.481696] block nbd1: Device being setup by another task 12:40:05 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r2 = dup2(r1, r0) r3 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000100), 0x20080, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) r4 = accept$nfc_llcp(r2, &(0x7f0000000080), &(0x7f0000000000)=0x60) ioctl$F2FS_IOC_WRITE_CHECKPOINT(r4, 0xf507, 0x0) [ 517.586675] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 517.615519] block nbd5: shutting down sockets 12:40:05 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x7c, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:05 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x8, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = getpgid(0x0) r2 = perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r1, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000040)={0x5, 0x80, 0xfa, 0x7, 0x0, 0x7f, 0x0, 0x8000, 0x1001, 0x4, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x3, 0x4, @perf_bp={&(0x7f0000000000), 0x6}, 0x0, 0x810000, 0xfe50, 0x2, 0x9, 0xfffffff8, 0x7, 0x0, 0x672, 0x0, 0x10001}, r1, 0x6, r0, 0xa) r3 = getpgid(0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r3, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = creat(&(0x7f0000000140)='./file0\x00', 0x2) perf_event_open(&(0x7f00000000c0)={0x3, 0x80, 0xf5, 0x6, 0x3f, 0x1, 0x0, 0x100000001, 0x10, 0x2, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x7ff, 0x4, @perf_config_ext={0x10001, 0x142d3b55}, 0x20, 0x1, 0xdb, 0x3, 0x238, 0x54, 0x800, 0x0, 0x7f, 0x0, 0x20}, r3, 0x0, r4, 0x8) r5 = syz_open_procfs(r1, &(0x7f0000000180)='net/sctp\x00') perf_event_open(&(0x7f0000000200)={0x2, 0x80, 0x9, 0x6, 0xf0, 0x1f, 0x0, 0x80, 0xa000, 0x4, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x9e3a0481cac19b3a, @perf_config_ext={0x401, 0x3}, 0x5912, 0xfffffffffffffffa, 0x4, 0x1, 0xffffffff, 0x0, 0x0, 0x0, 0xffff, 0x0, 0xffffffff}, r1, 0x2, r5, 0x0) r6 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r6}, {}], 0x2, 0x1) ioctl$FS_IOC_RESVSP(r2, 0x40305828, &(0x7f0000000280)={0x0, 0x4, 0xfffffffffffffffc, 0x7}) 12:40:05 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r2 = dup2(r1, r0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) sendmsg$unix(r2, &(0x7f0000000500)={&(0x7f0000000080)=@file={0x0, './file0\x00'}, 0x6e, &(0x7f0000000480)=[{&(0x7f0000000100)="9dccbff1a21559f6a5c5bb51b94f5cecbcce144a89da06ddc098d5091cbdd1b37ffe6c03400ee7defe41aed8ab2bd69837e8ca079a7973b073cd080a34a9f5ab26197b85dd76d7c1d0e1378fffb7df56f1d714bb8a2037af37f7396a81e117573136333360c9d02cc3e5a9f0f34219747481e0622a760fa16f81318fcd0a11f31b58f46134953c9a5ce2f412e87789af1c4b6ed825eb11f3ce8396455f194488710da7a9f027cdc511c94d0d7c01ffb150fb8cd3868e4069a6e5de3f323b2673664b62f4dbb3b14fd987b60c40e85bbceac18771a80da9fd161f618bbe4666c60a848b01e9bc99168c64dad187567804f0fffd7c72ecb11d0b", 0xf9}, {&(0x7f0000000200)="7e81356f033259ed6c72ef63c4a845feeea1330808ba6f83da1a03dbe7e66f82cc9cfa8821a4fe85ae28fb6d2347d3c29bef59692a9d8de9fa21dbfa715df2033cbc792a995bf99f216a0b6cd9760e100be53fc2c7113c85ce4d39bef021f4edab5fa32694d4d712893e0a956d20681b4dd7b7e84cc55fa043cc7fd377cb5d374adb34", 0x83}, {&(0x7f0000000000)="e8346ad834bc42252506165aa946fe2580c164", 0x13}, {&(0x7f00000002c0)="5a69f63b6f0a620e1d15fa0f70c09f046b572ecda8a91e24c98dde03e7460c9e4a7b3e9082ff140c6be6e80cc5130998813f3b5f9eb40c8b60d11ef16e47ace7b4ab7968373890a85208377897d7909e5798168ed62c8e34caee7585ffcdbf05a4319a0ede26ac1baab18d308fe1eaac0a161e4dc42fc0545e71b6d7ff79a1d8d3051833595757e1b444e3049429d654d3cb8188b81480f9f63e572ecad53d0e", 0xa0}, {&(0x7f0000000380)="9b2069319914c57d7156ee8f0abb4de5343ad55067784e88428c106c6fe16353e2fa10dedd8f8703df9a2744df83ac72ad3d074b60f5a91e61ec8f1ccb2e422984d91f8a36e7b8c99fae2aab7d1526a3096320746b284b1a82adde89a8894b2f59b00c05cf607aab5e383b94728191f9f5f34f6054e632d0852fa770d6fba5c1afafbf014f5afcc13ecdb772d084f36b31d39b73888d4b491383d5b5781ab2ce0869afa727e354325387aae209c9a8be62e0c1e7adf4c0e15d63a9cb5e21edde75a81ab50041719865accd93d0cef23e1710ddd7fc173785", 0xd8}], 0x5, 0x0, 0x0, 0xc000}, 0x1) 12:40:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xc0481273) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:05 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x8}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 517.815322] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 517.835355] block nbd5: shutting down sockets [ 517.883378] block nbd5: shutting down sockets 12:40:06 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x125d, 0x0) 12:40:06 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0xff, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:06 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) r2 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 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, 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$PERF_EVENT_IOC_QUERY_BPF(r2, 0xc008240a, &(0x7f0000000000)=ANY=[@ANYBLOB="c605000000000000"]) perf_event_open(&(0x7f0000000040)={0x0, 0x80, 0x20, 0x3, 0x7f, 0x3, 0x0, 0x100000001, 0x140, 0x8, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x7, 0x1, @perf_bp={&(0x7f0000000000), 0x4}, 0x80, 0x5, 0xfc, 0x8, 0x8, 0xffff, 0x3f, 0x0, 0x0, 0x0, 0x80000001}, 0x0, 0x5, r2, 0x4) r3 = getpgid(0x0) read$eventfd(r1, &(0x7f0000000180), 0x8) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r3, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000200)={0x4, 0x80, 0x0, 0x2, 0x1, 0xfd, 0x0, 0x4, 0x20, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x3, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x8, 0x1, @perf_bp={&(0x7f00000000c0), 0x1}, 0x2, 0xd072, 0x20, 0x9, 0x800, 0x20, 0x0, 0x0, 0x36b2, 0x0, 0x7}, r3, 0x10, r0, 0x1) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) 12:40:06 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) dup2(r1, r0) 12:40:06 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x9}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x4a0c00) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x100) [ 518.408825] block nbd1: Receive control failed (result -32) [ 518.414978] block nbd1: shutting down sockets 12:40:06 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 518.501057] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:06 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r1, r0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = eventfd(0x1) r4 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r2, 0x8}, {r3, 0x3089}, {r2, 0x4000}, {r4, 0x8000}, {r2, 0x2}, {r2}], 0x6, 0x101) sendmsg$NL80211_CMD_NEW_INTERFACE(r4, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$EVIOCGBITKEY(r4, 0x80404521, &(0x7f0000000000)=""/52) 12:40:06 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x90080, 0x2, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9, 0xff}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0xa) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}, 0x1, 0x0, 0x0, 0x4c811}, 0x0) close(r1) sendmsg$IPCTNL_MSG_CT_NEW(r1, &(0x7f0000000080)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2040}, 0xc, &(0x7f0000000040)={&(0x7f0000000340)={0x268, 0x0, 0x1, 0x301, 0x0, 0x0, {0x2, 0x0, 0x7}, [@CTA_TIMEOUT={0x8, 0x7, 0x1, 0x0, 0x9}, @CTA_SYNPROXY={0x34, 0x18, 0x0, 0x1, [@CTA_SYNPROXY_ISN={0x8, 0x1, 0x1, 0x0, 0xdf3}, @CTA_SYNPROXY_ITS={0x8, 0x2, 0x1, 0x0, 0x8}, @CTA_SYNPROXY_ISN={0x8, 0x1, 0x1, 0x0, 0xfffffff9}, @CTA_SYNPROXY_ITS={0x8, 0x2, 0x1, 0x0, 0x1}, @CTA_SYNPROXY_ITS={0x8, 0x2, 0x1, 0x0, 0x5}, @CTA_SYNPROXY_TSOFF={0x8, 0x3, 0x1, 0x0, 0x8000}]}, @CTA_NAT_DST={0x18, 0xd, 0x0, 0x1, [@CTA_NAT_V6_MAXIP={0x14, 0x5, @empty}]}, @CTA_TUPLE_REPLY={0x2c, 0x2, 0x0, 0x1, [@CTA_TUPLE_ZONE={0x6}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x2f}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x1}}, @CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x4}]}, @CTA_TUPLE_MASTER={0xe8, 0xe, 0x0, 0x1, [@CTA_TUPLE_ZONE={0x6}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x3a}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x21}}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @loopback}, {0x14, 0x4, @mcast1}}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x3a}}, @CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @remote}, {0x8, 0x2, @remote}}}, @CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @rand_addr=0x64010102}, {0x8, 0x2, @loopback}}}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @private1}, {0x14, 0x4, @private2}}}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @dev={0xfe, 0x80, '\x00', 0x11}}, {0x14, 0x4, @local}}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x84}}]}, @CTA_NAT_DST={0x54, 0xd, 0x0, 0x1, [@CTA_NAT_V4_MINIP={0x8, 0x1, @empty}, @CTA_NAT_V4_MAXIP={0x8, 0x2, @local}, @CTA_NAT_PROTO={0xc, 0x3, 0x0, 0x1, [@CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e24}]}, @CTA_NAT_V4_MINIP={0x8, 0x1, @remote}, @CTA_NAT_V4_MINIP={0x8, 0x1, @local}, @CTA_NAT_V4_MAXIP={0x8, 0x2, @rand_addr=0x64010101}, @CTA_NAT_PROTO={0x14, 0x3, 0x0, 0x1, [@CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e21}, @CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e20}]}, @CTA_NAT_V4_MAXIP={0x8, 0x2, @multicast2}]}, @CTA_LABELS_MASK={0x14, 0x17, [0x2, 0x1, 0xdeb5, 0x0]}, @CTA_NAT_DST={0x84, 0xd, 0x0, 0x1, [@CTA_NAT_PROTO={0x2c, 0x3, 0x0, 0x1, [@CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e22}, @CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e20}, @CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e20}, @CTA_PROTONAT_PORT_MIN={0x6, 0x1, 0x4e24}, @CTA_PROTONAT_PORT_MAX={0x6, 0x2, 0x4e20}]}, @CTA_NAT_V4_MINIP={0x8, 0x1, @multicast1}, @CTA_NAT_V4_MINIP={0xffffffc1, 0x1, @multicast2}, @CTA_NAT_V6_MAXIP={0x14, 0x5, @private2={0xfc, 0x2, '\x00', 0x1}}, @CTA_NAT_V4_MAXIP={0x8, 0x2, @multicast2}, @CTA_NAT_V6_MAXIP={0x14, 0x5, @mcast2}, @CTA_NAT_V6_MINIP={0x14, 0x4, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01'}]}]}, 0x268}, 0x1, 0x0, 0x0, 0x5}, 0x4) [ 518.597491] block nbd5: shutting down sockets 12:40:06 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x11}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 518.698516] block nbd5: shutting down sockets 12:40:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f00000000c0), 0xc}}, 0x0, 0xfffffffffffbffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:06 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) dup2(r1, r0) r2 = openat$vcs(0xffffffffffffff9c, &(0x7f0000000000), 0x400040, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x1) [ 518.744673] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 518.897689] block nbd5: shutting down sockets [ 518.973373] block nbd5: Receive control failed (result -32) [ 518.979341] block nbd5: shutting down sockets [ 519.326096] block nbd1: Receive control failed (result -32) 12:40:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x125e, 0x0) 12:40:07 executing program 3: syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000000080)=[@text64={0x40, &(0x7f0000000000)="d8fa3e660f79f166ba200066ed0f20d835200000000f22d8c744240000000000c744240260000000c7442406000000000f011c2466ba420066b8004866ef66ba430066b8a52b66ef430fc73e410f06c4836d6e5471e4b0", 0x57}], 0x1, 0xc, &(0x7f00000000c0)=[@dstype0={0x6, 0xb}, @flags={0x3, 0x212001}], 0x2) eventfd(0x1) 12:40:07 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x2, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:07 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x48}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:07 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r2 = dup2(r1, r0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 12:40:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) ioctl$BTRFS_IOC_QUOTA_RESCAN(0xffffffffffffffff, 0x4040942c, &(0x7f00000000c0)={0x0, 0x7f, [0x6, 0xfff, 0x3c, 0x2, 0x7ffd, 0x8]}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$vcsn(&(0x7f0000000400), 0x3, 0x100) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 519.371939] block nbd1: shutting down sockets 12:40:07 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)=@ipv6_getmulticast={0x14, 0x3a, 0x10, 0x70bd2b, 0x25dfdbfd, {}, ["", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x8044}, 0x80) [ 519.452227] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:07 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x3, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:07 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = eventfd(0x1) r4 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r2, 0x8}, {r3, 0x3089}, {r2, 0x4000}, {r4, 0x8000}, {r2, 0x2}, {r2}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r4, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) r5 = socket(0x18, 0x0, 0x0) getsockname$netlink(r5, 0x0, &(0x7f0000000380)) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) dup2(r1, r0) 12:40:07 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x4c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 519.594111] block nbd5: shutting down sockets 12:40:07 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x4, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:07 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCGPGRP(0xffffffffffffffff, 0x540f, &(0x7f00000000c0)=0x0) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f0000000140)={&(0x7f0000000100)=[0x82], 0x1, 0x80000, 0x0, 0xffffffffffffffff}) perf_event_open(&(0x7f0000000040)={0x4, 0x80, 0x5, 0x6, 0xf7, 0x3, 0x0, 0xc28, 0xa2000, 0x4, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x3, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0x4}, 0x1000, 0x20, 0x81, 0x3, 0x2, 0x9d4, 0x3ff, 0x0, 0x6, 0x0, 0x4}, r0, 0xd, r1, 0x0) r2 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r2}, {}], 0x2, 0x1) [ 519.691097] block nbd5: shutting down sockets [ 519.710047] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 520.277606] block nbd1: Receive control failed (result -32) 12:40:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x125f, 0x0) [ 520.342851] block nbd1: shutting down sockets 12:40:08 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x5, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:08 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r1 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = eventfd(0x1) r3 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r1, 0x8}, {r2, 0x3089}, {r1, 0x4000}, {r3, 0x8000}, {r1, 0x2}, {r1}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r3, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r5 = eventfd(0x1) r6 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r4, 0x8}, {r5, 0x3089}, {r4, 0x4000}, {r6, 0x8000}, {r4, 0x2}, {r4}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r6, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f00000000c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf2507000300000000000000000000000000a5d24b0baf40457818634ccc6166ec601e2f12dbfffd82471600e27a9ab42bea63a02f72eb3cc76a7f6ebe", @ANYRES32=0x0, @ANYBLOB="0c00990000000080770000000a00e800ffffffffffff00001400178004000300040002000400020004000200"], 0x50}}, 0x800) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r7, r0) 12:40:08 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x60}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:08 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$sock_FIOGETOWN(0xffffffffffffffff, 0x8903, &(0x7f00000000c0)=0x0) r2 = socket(0x18, 0x0, 0x0) getsockname$netlink(r2, 0x0, &(0x7f0000000380)) r3 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$BATADV_CMD_GET_NEIGHBORS(r3, &(0x7f0000000580)={&(0x7f0000000400)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f00000004c0)={&(0x7f0000000440)={0x44, 0x0, 0x8, 0x70bd27, 0x25dfdbfb, {}, [@BATADV_ATTR_THROUGHPUT_OVERRIDE={0x8, 0x3b, 0x5}, @BATADV_ATTR_GW_SEL_CLASS={0x8, 0x34, 0x7}, @BATADV_ATTR_MULTICAST_FANOUT={0x8, 0x3c, 0x7b}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0xff}, @BATADV_ATTR_MULTICAST_FORCEFLOOD_ENABLED={0x5, 0x37, 0x1}, @BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x200}]}, 0x44}, 0x1, 0x0, 0x0, 0x4000000}, 0x0) r4 = syz_genetlink_get_family_id$tipc2(&(0x7f00000001c0), 0xffffffffffffffff) sendmsg$TIPC_NL_PEER_REMOVE(r3, &(0x7f0000000500)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000540)={0x18, r4, 0x1, 0x0, 0x0, {0x9}, [@TIPC_NLA_LINK={0x4}]}, 0x18}}, 0x0) sendmsg$TIPC_NL_LINK_GET(r2, &(0x7f00000003c0)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000380)={&(0x7f0000000280)={0xcc, r4, 0x100, 0x70bd2c, 0x25dfdbff, {}, [@TIPC_NLA_NET={0x10, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_NODEID={0xc, 0x3, 0x9}]}, @TIPC_NLA_NET={0x20, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_NODEID={0xc}, @TIPC_NLA_NET_ID={0x8, 0x1, 0xc5}, @TIPC_NLA_NET_ID={0x8, 0x1, 0x9}]}, @TIPC_NLA_MON={0x1c, 0x9, 0x0, 0x1, [@TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x5}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x6}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x1f}]}, @TIPC_NLA_MEDIA={0x30, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_PROP={0x24, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x400}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x1b}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x1}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x2}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}]}, @TIPC_NLA_LINK={0x3c, 0x4, 0x0, 0x1, [@TIPC_NLA_LINK_PROP={0x2c, 0x7, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x13}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x2}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0xfffffffa}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x2}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x19}]}, @TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz0\x00'}]}]}, 0xcc}, 0x1, 0x0, 0x0, 0x20000810}, 0x40) perf_event_open(&(0x7f0000000040)={0x0, 0x80, 0xa6, 0x6, 0x0, 0x3, 0x0, 0x800, 0x800, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x80000001, 0x0, @perf_bp={&(0x7f0000000000), 0x8}, 0x8000, 0x1, 0x73a, 0x2, 0x20, 0x4, 0x9, 0x0, 0x4, 0x0, 0xffffffff}, r1, 0x9, r0, 0x0) ioctl$TIOCGSID(0xffffffffffffffff, 0x5429, &(0x7f0000000200)=0x0) perf_event_open(&(0x7f0000000140)={0x5, 0x80, 0x5, 0xf9, 0x33, 0x2, 0x0, 0x9, 0x400, 0x4, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x2, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x3, 0x1, @perf_bp={&(0x7f0000000100), 0x4}, 0x10200, 0x9dd, 0x1, 0x1, 0x7, 0xffffffff, 0x40, 0x0, 0x101, 0x0, 0xfffffffffffffff7}, r5, 0x4, r0, 0x1) r6 = socket(0x18, 0x0, 0x0) getsockname$netlink(r6, 0x0, &(0x7f0000000380)) r7 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000600), 0xffffffffffffffff) sendmsg$ETHTOOL_MSG_PAUSE_GET(r6, &(0x7f00000006c0)={&(0x7f00000005c0)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000680)={&(0x7f0000000640)={0x40, r7, 0x100, 0x70bd2d, 0x25dfdbfb, {}, [@HEADER={0x2c, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}]}]}, 0x40}, 0x1, 0x0, 0x0, 0x80}, 0x94) ioctl$TIOCCBRK(0xffffffffffffffff, 0x5428) r8 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r8}, {}], 0x2, 0x1) 12:40:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$BTRFS_IOC_BALANCE_PROGRESS(0xffffffffffffffff, 0x84009422, &(0x7f0000001d80)={0x0, 0x0, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @usage, 0x0}}) socketpair(0x1, 0x20000000000001, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_FILTER(r6, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(r6, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') r7 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NLBL_CIPSOV4_C_REMOVE(r6, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f0000001400)=ANY=[@ANYRESHEX, @ANYRES16=r7, @ANYBLOB="bd7004ffdbdfa06b000009000002149ae10100000801000000dd01000100000000400000000000000000000000000000466c9f2f79f444c395775e21a8ea58066154acb6cf0c9b63db6c89a86edfabf3bb1ccbe0f65fad751111548433f2097b623f375988535f878685000000000000", @ANYBLOB="e4b3fcdfaf28d2f54df080980ecba931899b8640680e3571ef9f074dae8564120ea7471c8734c4922298574f4a6257e44b155e19c37e446191e681261f8378af0cef84dce214261ca313fcce6833276cb1e4ba13668bbfeb3b5024ed222970f99e7b7ea5a4df5dfe03e1ddabb042e3695f67e387c26fa634b4d9bfda45b262ff431c6d56785cf7fed495c7f6bc172da0e3349c47edadc95de0995d0500000049c46e0d364800bdfa1bac1bbd842f1dbd4cf73f2a5311fa106c0c61b59bfa82276f2a1aadff1ad04e31a1ad41059976b940f5452f93e868863e967bd1ffb3e1515b9853f730d800a841d1cb0c79e8435815ff0f"], 0x3}, 0x1, 0x0, 0x0, 0x4}, 0x40025) sendmsg$NLBL_CIPSOV4_C_LIST(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f0000001980)=ANY=[@ANYBLOB="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", @ANYRES16=r7, @ANYRESDEC=r5], 0x1d4}, 0x1, 0x0, 0x0, 0x4008000}, 0x2400c014) ioctl$BTRFS_IOC_RESIZE(0xffffffffffffffff, 0x50009403, &(0x7f0000000040)={{}, {@val={r5}, @max}}) ioctl$BTRFS_IOC_DEV_REPLACE(r4, 0xca289435, &(0x7f0000001980)={0x1, 0x401, @start={r5, 0x0, "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", "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"}, [0x2f21ab58, 0x8000, 0x617, 0x8, 0x8, 0x0, 0xcf70, 0x0, 0x9, 0x5, 0x1000, 0xdb, 0x403345e0, 0x5, 0xfffffffffffffff9, 0x1000000, 0xffff, 0x7, 0x47c1, 0x80, 0x7, 0x5, 0x2, 0xe3, 0xfffffffffffffffe, 0x9, 0x7, 0xff32, 0x8505, 0xb48, 0x0, 0x5, 0x4, 0x6, 0xfffffffffffffffd, 0x40, 0xffffffffffffffe0, 0x7fff, 0x8001, 0x9, 0xa73, 0x40, 0x9, 0xfffffffffffffc01, 0x100000001, 0x7381, 0xffffffffffffffff, 0x3, 0x0, 0x2, 0xc753, 0x7ff, 0x5, 0x4, 0x800, 0x20, 0xa221, 0xab9, 0x3, 0x6e, 0x9, 0x0, 0x400, 0x1]}) sendmsg$IPCTNL_MSG_EXP_DELETE(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) ioctl$BTRFS_IOC_TREE_SEARCH(r4, 0xd0009411, &(0x7f0000000980)={{0x0, 0x9, 0x6, 0x6, 0x0, 0x0, 0x5, 0x8, 0x7, 0x4, 0x1, 0x0, 0x6, 0x5, 0x20}}) [ 520.476953] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:08 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x6, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:08 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x68}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 520.601791] block nbd5: shutting down sockets [ 520.660374] device lo entered promiscuous mode 12:40:08 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DISCONNECT(r1, 0xab08) dup2(r1, r0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = eventfd(0x1) r4 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r2, 0x8}, {r3, 0x3089}, {r2, 0x4000}, {r4, 0x8000}, {r2, 0x2}, {r2}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r4, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) openat(r4, &(0x7f0000000000)='./file0\x00', 0x220180, 0x44) 12:40:08 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x9, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x8000, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) r1 = syz_open_dev$mouse(&(0x7f00000000c0), 0xd64, 0x101000) ioctl$KVM_IOEVENTFD(r1, 0x4040ae79, &(0x7f0000000140)={0x2000, &(0x7f0000000100), 0x8, r0, 0x6}) perf_event_open(&(0x7f0000000040)={0x0, 0x80, 0x1, 0x80, 0x4, 0x4, 0x0, 0x1ff, 0x20008, 0x2, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, @perf_bp={&(0x7f0000000000), 0xf}, 0x0, 0x0, 0x2, 0x3, 0x7, 0x9, 0x2, 0x0, 0x9, 0x0, 0x8}, 0x0, 0x0, 0xffffffffffffffff, 0x2) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:08 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x7, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 520.753278] Y­4`Ò˜: renamed from lo [ 520.845207] block nbd2: NBD_DISCONNECT 12:40:08 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x6c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 520.920112] block nbd2: NBD_DISCONNECT [ 520.996748] net_ratelimit: 1 callbacks suppressed [ 520.996781] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x1260, 0x0) 12:40:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f00000000c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x20000, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:09 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x9, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:09 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) r1 = syz_open_dev$audion(&(0x7f00000000c0), 0x1, 0x28400) perf_event_open$cgroup(&(0x7f0000000040)={0x1, 0x7a, 0x4, 0x7, 0x72, 0x6, 0x0, 0x9, 0x220, 0xc, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x3d, 0x1, @perf_config_ext={0x9, 0x3f72}, 0x4000, 0x8, 0x7fffffff, 0x6, 0x40, 0xd56f, 0x0, 0x0, 0x18, 0x0, 0x4}, 0xffffffffffffffff, 0x9, r1, 0x6) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) dup(r2) preadv(r0, &(0x7f0000001600)=[{&(0x7f0000000200)=""/223, 0xdf}, {&(0x7f0000000140)=""/112, 0x70}, {&(0x7f0000000300)=""/40, 0x28}, {&(0x7f0000000340)=""/4096, 0x1000}, {&(0x7f0000001340)=""/2, 0x2}, {&(0x7f0000001380)=""/144, 0x90}, {&(0x7f0000001440)=""/19, 0x13}, {&(0x7f0000001480)=""/116, 0x74}, {&(0x7f0000001500)=""/248, 0xf8}], 0x9, 0x4, 0xfffffff8) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) r4 = openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000000), 0xa00, 0x0) ioctl$KVM_IRQFD(r3, 0x4020ae76, &(0x7f0000000100)={r1, 0x10000, 0xc77, r4}) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x400) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r1, r0) r2 = creat(&(0x7f0000000080)='./file0\x00', 0x4) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 12:40:09 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x74}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 521.303403] block nbd1: Receive control failed (result -32) [ 521.307936] block nbd1: shutting down sockets [ 521.341688] block nbd1: Device being setup by another task [ 521.419955] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:09 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0xa, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:09 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x800202) dup2(r1, r0) 12:40:09 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x7a}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 521.560444] block nbd5: shutting down sockets 12:40:09 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x11, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x109800) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:09 executing program 3: sendmsg$L2TP_CMD_TUNNEL_CREATE(0xffffffffffffffff, &(0x7f00000013c0)={&(0x7f00000012c0)={0x10, 0x0, 0x0, 0x10000}, 0xc, &(0x7f0000001380)={&(0x7f0000001440)=ANY=[@ANYBLOB='d\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="08002cbd7000fcdbdf2501000000050012001f00000014001f00fc0100000000000000000000000000010c001000020000000000000008001700a03a4ea1f154884c3b898b503d45ff54d5fb4717805917d5b050975084131449bf05beaa354a9774c1e8776ab6ec680442b91b12c3b41c90be4602a8bef8f7c7767d62e9560072c2417a57965440264f43ec73a9757e3a22d922ed53cd7886654f18f89272c1f1b7704e0b2bfa01fbcf6c519736b47689874c2891cf39b36cb27efb707e0997e0f4b383e702ae4c9fafa082636ba8e0f1e81d8f5ec7d4c70a996b91165686", @ANYRES32, @ANYBLOB="050014003f0000000500050000000000060001000400000006000e0007000000"], 0x64}, 0x1, 0x0, 0x0, 0x4}, 0x2) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x10001}, 0x0, 0xfffffffffffffff7, 0xffffffffffffffff, 0x0) r1 = eventfd(0xfffffffe) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) r2 = accept(0xffffffffffffffff, &(0x7f0000000000)=@hci, &(0x7f0000000080)=0x80) r3 = socket$can_bcm(0x1d, 0x2, 0x2) ioctl$KVM_CREATE_DEVICE(0xffffffffffffffff, 0xc00caee0, &(0x7f0000000180)={0x2, 0xffffffffffffffff, 0x1}) r5 = socket$unix(0x1, 0x5, 0x0) ioctl$int_out(r5, 0x2, &(0x7f0000001400)) ioctl$BTRFS_IOC_SUBVOL_CREATE(r0, 0x5000940e, &(0x7f00000002c0)={{r4}, "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"}) r6 = socket$netlink(0x10, 0x3, 0x9) fcntl$setsig(r1, 0xa, 0x31) ioctl$sock_bt_hidp_HIDPCONNADD(r2, 0x400448c8, &(0x7f0000000200)={r3, r6, 0x100, 0x85, &(0x7f00000000c0)="61ecbf6b384a2255e5bafe25038ef71374db008523b103d4d253fce4205e2c7b4edc5c489b2d035d67d448ac1a971128a13fe1c6d33d27d40de4c55f68f069d5608160ad6d02800fef17c94add96121b09df9dfa6040ec912945440e599a30002846297ca7609aa268e08d4ad66fcbc50e512f1cad135a31b08e873302f8051dd254ccbef9", 0x4, 0x4, 0x38c8, 0x5, 0x8, 0x2, 0x74f, 'syz0\x00'}) [ 521.698832] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 521.835455] block nbd5: shutting down sockets [ 521.923780] block nbd5: shutting down sockets [ 522.247695] block nbd1: Receive control failed (result -32) 12:40:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x1261, 0x0) 12:40:10 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r2 = dup2(r1, r0) r3 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/binder/state\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r3, 0xab00, r2) ioctl$NBD_DO_IT(r0, 0xab03) r4 = syz_mount_image$befs(&(0x7f0000000080), &(0x7f00000000c0)='./file0\x00', 0x10001, 0x3, &(0x7f00000002c0)=[{&(0x7f0000000100)="3e6253177f644d9c14e5267c917ba030b484dc87b049de21d072a63fabbb7c0416c58917c958b6425ec8f0bca93be1ae145a8b06f0ec9caa0b7a8b5aa543e8b03b0d9da3c6b010c6b50d1ffd7b35b044fd0f7d2aafaab09dd916a3940c76659b8941235194b742527e771fb7d73d8dd6786a7562946d8eb96eda2e674b6c079355846fd4b201e9fe8d17fced67fa927dd6ea351ceb9003c51cbe2bfc2b4281341354280773b11c8b78ac79468e5f7adaad47180cd88ee87eff6b2b4a5e2231758d7b89a722c273c89a4739be040c2e9dda5c85b3da97388f0d088b09fa15d8366f67d2bc445967e0e3bedbed014675", 0xef, 0x2}, {&(0x7f0000000200), 0x0, 0x24}, {&(0x7f0000000240)="586b9ba48639d2a7341b0f468baaeaab761d25e9be30060623fd098028e8e30697928f96efa0d07614e6290425243aa692dc89f055b09589900ae63d21d345c14911f28bec787b1d4c0e786479885c4a5e8a1110f230721a8ad76897238c412f276a47fad559b7eddcafc7", 0x6b}], 0x2000010, &(0x7f0000000340)={[{'.#'}, {'^\''}, {'/sys/kernel/debug/binder/state\x00'}, {'/dev/nbd#\x00'}, {'/sys/kernel/debug/binder/state\x00'}, {'./\\'}], [{@mask={'mask', 0x3d, '^MAY_READ'}}, {@permit_directio}, {@pcr={'pcr', 0x3d, 0x9}}, {@pcr={'pcr', 0x3d, 0x24}}, {@smackfsdef={'smackfsdef', 0x3d, '/sys/kernel/debug/binder/state\x00'}}, {@subj_role={'subj_role', 0x3d, '/sys/kernel/debug/binder/state\x00'}}, {@appraise_type}, {@fowner_eq={'fowner', 0x3d, 0xee00}}]}) ioctl$F2FS_IOC_PRECACHE_EXTENTS(r4, 0xf50f, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) 12:40:10 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x7c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:10 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x7c, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:10 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) ioctl$KVM_IRQFD(0xffffffffffffffff, 0x4020ae76, &(0x7f0000000000)={r0, 0x1ff, 0x0, r0}) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0xff, 0x0, 0x0, 0x7f, 0x0, 0x3, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x0, @perf_bp={0x0, 0x8}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = getpid() perf_event_open(&(0x7f00000000c0)={0x1, 0x80, 0x1, 0x2, 0x0, 0x0, 0x0, 0x80, 0x440c0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0xfffffff7, 0x2, @perf_config_ext={0x4, 0x6}, 0x514, 0x8, 0x0, 0x7, 0x7, 0x30d, 0x7, 0x0, 0x1, 0x0, 0xc6b9}, r3, 0x10, r2, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 522.291635] block nbd1: Device being setup by another task [ 522.297542] block nbd1: shutting down sockets 12:40:10 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x300, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 522.375933] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:10 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r1 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 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, 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$PERF_EVENT_IOC_QUERY_BPF(r1, 0xc008240a, &(0x7f0000000000)={0x500}) perf_event_open(&(0x7f0000000000)={0x2, 0x80, 0x7, 0x0, 0x6, 0x3f, 0x0, 0x101, 0x10, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x2, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x200, 0x2, @perf_config_ext={0xa4, 0x638}, 0x2, 0x8, 0xffff, 0x5, 0x5, 0x7, 0x4, 0x0, 0x50000000, 0x0, 0x8000000000000}, 0x0, 0x3, r1, 0x0) [ 522.419297] befs: Unrecognized mount option ".#" or missing value [ 522.447522] befs: (loop2): cannot parse mount options 12:40:10 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0xff}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:10 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x500, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 522.490542] block nbd5: shutting down sockets [ 522.516018] befs: Unrecognized mount option ".#" or missing value [ 522.535434] befs: (loop2): cannot parse mount options 12:40:10 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) sendmsg$IPCTNL_MSG_TIMEOUT_DELETE(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x7c, 0x2, 0x8, 0x5, 0x0, 0x0, {0x0, 0x0, 0x1000}, [@CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x5}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x17}, @CTA_TIMEOUT_NAME={0x9, 0x1, 'syz1\x00'}, @CTA_TIMEOUT_L4PROTO={0x5, 0x3, 0x88}, @CTA_TIMEOUT_DATA={0x1c, 0x4, 0x0, 0x1, @udp=[@CTA_TIMEOUT_UDP_REPLIED={0x8, 0x2, 0x1, 0x0, 0x7}, @CTA_TIMEOUT_UDP_UNREPLIED={0x8, 0x1, 0x1, 0x0, 0xffffff01}, @CTA_TIMEOUT_UDP_REPLIED={0x8, 0x2, 0x1, 0x0, 0x2}]}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x88a2}, @CTA_TIMEOUT_NAME={0x9, 0x1, 'syz0\x00'}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x88e7}, @CTA_TIMEOUT_DATA={0xc, 0x4, 0x0, 0x1, @tcp=[@CTA_TIMEOUT_TCP_CLOSE_WAIT={0x8, 0x5, 0x1, 0x0, 0x6}]}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) ioctl$F2FS_IOC_SET_PIN_FILE(r3, 0x4004f50d, &(0x7f00000000c0)=0x1) r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000100), 0x47ce01, 0x0) getsockopt$PNPIPE_HANDLE(r4, 0x113, 0x3, &(0x7f0000000140), &(0x7f00000001c0)=0x4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 522.566406] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 522.586197] block nbd5: Receive control failed (result -32) [ 522.586515] block nbd5: shutting down sockets [ 522.720179] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 522.820845] block nbd5: shutting down sockets [ 522.854201] block nbd5: shutting down sockets 12:40:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x1262, 0x0) 12:40:11 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) timer_create(0x2, &(0x7f00000000c0)={0x0, 0x1b, 0x4, @thr={&(0x7f0000000000)="b61fea9c58f3408e356578159ad5fd06db775b439afcd79d029a6b49409ac5b408c396ca1fd8d16088f5c72fd385d4006a7340a2bb5ebd7918e5fe2487d70832f943267630ab54574883a07a3cd1df7399d383388518700df35dce94ed554c7124c0ecff35e0ec753a80274f22d66569f5b39295bc54", &(0x7f0000000080)="3b5ef50bb6f841208583adad"}}, &(0x7f0000000100)=0x0) timer_settime(r2, 0x0, &(0x7f0000000140), &(0x7f0000000180)) timer_create(0x0, &(0x7f0000000000)={0x0, 0x14, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000040)=0x0) timer_settime(r3, 0x0, &(0x7f0000000180)={{0x0, 0x989680}, {0x0, 0x1c9c380}}, 0x0) r4 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000340), 0x420880, 0x0) ioctl$KVM_IOEVENTFD(r0, 0x4040ae79, &(0x7f0000000380)={0x5000, &(0x7f0000000300), 0x4, r4, 0x1a}) timer_gettime(r3, &(0x7f0000000200)) r5 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) dup(r5) r6 = ioctl$KVM_CREATE_VM(r5, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r6, 0xae60) ioctl$KVM_CREATE_VCPU(r6, 0xae41, 0x0) ioctl$KVM_CREATE_VCPU(r6, 0xae41, 0x0) ioctl$KVM_IOEVENTFD(r6, 0x4040ae79, &(0x7f0000000400)={0x1000, &(0x7f00000003c0), 0x4, r1, 0x1}) perf_event_open(&(0x7f0000000280)={0x5, 0x80, 0x4, 0x5, 0x56, 0xbf, 0x0, 0x9, 0x1010, 0x2, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x6, 0x0, @perf_bp={&(0x7f0000000240), 0x4}, 0x800, 0x1, 0x3, 0x2, 0x75, 0x6, 0x9, 0x0, 0x2, 0x0, 0x1}, 0xffffffffffffffff, 0x0, r0, 0xc) 12:40:11 executing program 2: sendmsg$NL80211_CMD_LEAVE_IBSS(0xffffffffffffffff, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="20000000815ac635a7219d1f7c1cabaf7b0b5ba1e7d301966b07954c89c1de2990567e0e2e70fee5289f2c72e3ac46ceaa1e38d8bd4f550645994d4c01dedf70c545fea3ce5577960942c97b72383f9fcb7af69b727a6c61eeb7558220c9eb2f28c42d43c90fbd911c65e9e3270074acdc49ddddf8c7fedb4fedf274a5f6538531ac2097741d3555a7a07f8d4609d2d22e6dd8584486f2ae28c3e50e28c4d36fc8d722b90be1a1d5b498777d957a5f40c92953c0e268e614c06a7bc3b7d334dcb83ce762c396cef27bced2ac0514a68a99", @ANYRES16=0x0, @ANYBLOB="000225bd7000fedbdf252c0000000c009900c500000038000000"], 0x20}, 0x1, 0x0, 0x0, 0x10}, 0x200080a0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) dup2(0xffffffffffffffff, r0) r1 = openat$char_raw_ctl(0xffffffffffffff9c, &(0x7f0000000040), 0x181000, 0x0) fremovexattr(r1, &(0x7f0000000080)=@known='system.advise\x00') 12:40:11 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x600, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:11 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x2}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x8, 0x3}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 523.204816] block nbd1: Receive control failed (result -32) [ 523.206962] block nbd1: shutting down sockets [ 523.241706] block nbd1: Device being setup by another task 12:40:11 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x3}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 523.348286] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:11 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x700, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 523.457321] block nbd5: shutting down sockets 12:40:11 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x900, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 523.503364] block nbd5: shutting down sockets [ 523.515143] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:11 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) fremovexattr(r2, &(0x7f00000000c0)=@random={'osx.', '-\'\x00'}) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:11 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x4}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:11 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) preadv(r2, &(0x7f00000002c0)=[{&(0x7f0000000140)=""/123, 0x7b}, {&(0x7f00000001c0)=""/204, 0xcc}], 0x2, 0x1, 0xe1) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$smc(&(0x7f0000001480), 0xffffffffffffffff) sendmsg$SMC_PNETID_DEL(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000040)={0x20, r4, 0x1, 0x0, 0x0, {}, [@SMC_PNETID_NAME={0x9, 0x1, 'syz1\x00'}]}, 0x20}}, 0x0) fsetxattr$trusted_overlay_origin(r3, &(0x7f00000003c0), &(0x7f0000000500), 0x2, 0x2) r5 = socket(0x18, 0x0, 0x0) getsockname$netlink(r5, 0x0, &(0x7f0000000380)) sendmsg$SMC_PNETID_ADD(r5, &(0x7f0000000440)={&(0x7f0000000340), 0xc, &(0x7f0000000400)={&(0x7f0000000480)={0x44, 0x0, 0x300, 0x70bd26, 0x25dfdbfd, {}, [@SMC_PNETID_ETHNAME={0x14, 0x2, 'vlan0\x00'}, @SMC_PNETID_IBPORT={0x5, 0x4, 0x1}, @SMC_PNETID_IBPORT={0x5, 0x4, 0x2}, @SMC_PNETID_IBNAME={0x9, 0x3, 'syz2\x00'}]}, 0x44}, 0x1, 0x0, 0x0, 0x20000800}, 0x4000) r6 = dup2(r1, r0) r7 = bpf$BPF_LINK_CREATE(0x1c, &(0x7f0000000000)={r6, r6, 0x25}, 0x10) ppoll(&(0x7f0000000080)=[{r1, 0x10}, {r7, 0x8525}], 0x2, &(0x7f00000000c0)={0x77359400}, &(0x7f0000000100)={[0x4]}, 0x8) [ 523.669014] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 523.745570] block nbd5: shutting down sockets [ 523.789562] block nbd5: shutting down sockets 12:40:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x1263, 0x0) [ 524.183219] block nbd1: Receive control failed (result -32) [ 524.221711] block nbd1: Device being setup by another task [ 524.227960] block nbd1: shutting down sockets [ 525.100586] block nbd1: Receive control failed (result -32) [ 525.106828] block nbd1: shutting down sockets [ 525.152474] block nbd1: Could not allocate knbd recv work queue. [ 525.158771] block nbd1: shutting down sockets 12:40:14 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x5}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:14 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0xa00, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x4000) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = eventfd(0x1) r4 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r2, 0x8}, {r3, 0x3089}, {r2, 0x4000}, {r4, 0x8000}, {r2, 0x2}, {r2}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r4, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf2507000000080001005e00000008000300", @ANYRES32=0x0, @ANYBLOB="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"], 0x50}}, 0x800) ioctl$NBD_SET_SOCK(r4, 0xab00, r1) sendmsg$IPCTNL_MSG_EXP_DELETE(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) ioctl$sock_SIOCSIFVLAN_GET_VLAN_VID_CMD(0xffffffffffffffff, 0x8983, &(0x7f0000000680)) socketpair(0xd, 0x6, 0x5, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r4, 0xab00, 0xffffffffffffffff) sendmsg$kcm(r5, &(0x7f0000000640)={&(0x7f0000000100)=@ieee802154={0x24, @long={0x3, 0x2, {0xaaaaaaaaaaaa0302}}}, 0x80, &(0x7f0000000280)=[{&(0x7f0000000300)="8c2e4ef07e2e795a542d58cb80ee7bb76ef05d38e5d7ff63d90b28917b07f7af7d99fc2164ada62332ff5e69b933f6cd563e3ff11da02e863576a180daf636be8401b1c714e65adf3c3cb40f0f796da7c624a20000d5166e37469b128c7edd14ad7f6cb9aefcdd6101ddb23e4911f0c340f7ea5e13063dff04aef138763e1119955bd5702c608d936bfd3128d4a18fd4961becfa9f792543df061b40c1d2abdd489fff126025e70f920a74c6fd0f", 0xae}, {&(0x7f0000000540)="25da4244d7570e561ff799ce27eff61835c676b6eca66ad075cbd57e724e199f8e0bd2679d599b94a377748d3b6e2c2167cc31676293d11d4f726dba2cc01a2049f5f6b1eec1b7350d0d9597bb284c835ad14d1689441adfc6e84908dfc7bbfd3b13eb044d368d64408289fee83df0dfc602a44756baea0b6a0e64a57c98cbc35c563b87adb3e0f348417f7aaca7d03d09ab731aa3fd81c96454dcb2b505dcf87ef629a7a7f6f6e4a8a11545c4c10c8fdd85f0e86475a9f1b0314dc11fe5b92ef6bed43468ee0ab2ade2d26d8fbf04c25dfc03bcbc0aa18c34242afe289712b3ba47525b686f0bbb3e89ae8bedc6f3", 0xef}, {&(0x7f0000000180)="c9d169", 0x3}, {&(0x7f0000000240)="5fd4", 0x2}], 0x4, &(0x7f0000000980)=[{0x68, 0x1, 0x0, "25172f0b8d428ec5faf25e3236edccd7b0fa5d75ebf7944581269ebe825e50c11e29e3847a12e5a3ace1a4aa3292f0fb8da51c03f8a8cebecdd7f2fe3cf6212c1ef67375812f4201f38cabb275dc2e755d1a02cd68309cd2"}, {0xb8, 0x118, 0xfffffeff, "5a645e53a760b01823d8214c9607e2b4f5f41b0cf2a5fa53951f61557494ba5d26af0a0b7f6ff46055aa1cc8d242a3a5b7855e2c3e4c391bbf6e72051927c9629863920a466f745821024a243d732103c07b30fdec156bc7e7c84fb41942ac54b9cf62522b182281db8c210a10179b05635d1542024f19a4ea433f172eb5ff2034e71b1465825b39b647ac48704e9828f8958c17024c049ee8d7d5649d7260ed036da7147b4bb398"}, {0x1010, 0x115, 0x9f7a, "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{0xe8, 0x112, 0x3, "3b7782fc58d1663e437d49474fd558650c8b07aef9ef88f0aed18d3db4a4845b8cb9675ad7e124e29452c20e7cbc97a257d98f9a9d7733811f4b0cf8bfa67e0b4412c5a1c2fe2c5cdb45bfa91e51fea98d68a9bca62835c45bb758aa3ad27abf37744b6227a5ec3007b8e94f311b586600d765bbc597759debf0c94e6c4dc1cc706a300b807e3310cf9a61c779f00fca954d8a3f4ea1fc5bdf806484434b2d2c87b4541debc089ce85d1f49ac9db0fff6c19b8ca6695a4892ffe4e33e404fb69cb641f136399c7d0bc6b94eae0e040d1b2fe47a8"}, {0x38, 0x10f, 0x81, "9edc9ed8cb4a9a5b6fe6876c1dac8a1a6927502c4d7a39d5406845aad87f804ea4ee72d488"}, {0x110, 0x100, 0x7, "96047e5119a3d89f6364228eea4f838bae5eed0063a04ae8e9d0f9a0ee2e67b7418c6f3935850bb43d945640ede1cb409a2c8d556d4c34701e45b0b479e4d6c2d76282cc790c2ebb395217989966cfa06fc4a2b432fef00e0620daade8c5c0e700da96782f598c040080a7f8b3613994d408e4feb47560250333dfee9ff41258aa341cffdc8284aac2e63aa7eddfa5e9adfe4357be61f6d0cedaaf5d19f7938aafefe4c29465c5511a1d225288cdd7eb09dd7a20ff3ff746268c6a04b15ad69ab872829ce88e5e9b18491a2cde46d8bdfbd47170633569f94752fe2cf4f6153fd9a9f2451ac5d5db879d08dd205c11334b939c906490d8eaf9eb"}, {0x40, 0x3a, 0x7, "28f243ce06252baee4c2967eae15e69b8403437f700210d0002d545c269fba6f4506fdf55fe29ac7d6654655e6d5"}, {0x40, 0x10f, 0x9, "0fabfca9e1002c9bf21975e897feb62531ef6fabfe4fe47f244b736dffb69c5fe86fbf34adfbcb50ad2287e1bcd8"}, {0x108, 0x113, 0x2, "4f107e6f995242b5746ff9dcebae977f9c2ba9e2444f3fd7ad45721e9dbdfabdc2dbaee08607a6e3c53ede4e7716a800fee697bb2c86325998eb7152c1243b47ea3952f559d2077284a4253debe14235e597b595321656b971ff1ca20b23a38d1c67c16f6bb3aae2a6cf56a352485fb0be0432c5d8c7b682703f2341c68efd1030da4fa4605892a2a6fc6b109f644c66f6f9356119f73abf97bc6f0a86b5e5cf91c2ba148a71b9168fc4036830ad5c8eb214d4ee9076a22ac3e66a7afb023e933a8fa15965466906e482ef60be0d2656731e693448fef0a2078f2c4a4ed0730123032cedae3a3cf408eaea06af7ca0fe22"}], 0x14e8}, 0x4000) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:14 executing program 2: syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x101a00) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) r2 = openat$pidfd(0xffffffffffffff9c, &(0x7f0000000000), 0x12100, 0x0) dup2(r1, r2) ioctl$NBD_DO_IT(r0, 0xab03) 12:40:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x1264, 0x0) 12:40:14 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x2, 0x4}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = eventfd(0x1) r4 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r2, 0x8}, {r3, 0x3089}, {r2, 0x4000}, {r4, 0x8000}, {r2, 0x2}, {r2}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r4, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042fbd7000fe5e00000008000300"/26, @ANYRES32=0x0, @ANYBLOB="0c00990000000080770000000a00e800ffffffffffff000014001780040003000400edff0300020004000200"], 0x50}}, 0x800) r5 = syz_mount_image$qnx6(&(0x7f0000000200), &(0x7f0000000240)='./file0\x00', 0x3ff, 0x8, &(0x7f00000006c0)=[{&(0x7f0000000280)="8579ee8a6355cb73d14426638a27f1749782b8ff530af63ecd47743022365f440cc18f0977b274598f2daf04e8de892e38119c73aaecdf887ab8ac875f53d8b90b06b94fc3bacc839520fc6fad3f5aa12d7729e59783ce29e816aa8f74babe60476a61bfe2c272ab33068713bae42f5da7fea701d983bc0146779ab46ac6962f4f0d27f72cd4bb754f752a8035028c887bb598", 0x93, 0x6}, {&(0x7f0000000340)="7d9e498f6b1c38020853c8be2347ab34d3d704d813663720e7ce16d41ac692bdcacae413e1a23d611429895d0cd411acecaadea87bfad9e70b26a059918c9807a51799d778feba2e111d8ad11fc91ee74560e2d9dfe59f64caf245f800813353b6d3d43026545d2b721be40d2fde0251c03b52138f981eacfa5024041555e7ebf34b4acb1167f18800f5763ae2a3f1d00971", 0x92, 0x4}, {&(0x7f0000000400)="f218ad69d7ead1330e9bc9be5e8bc61a46631ac5143b21e930be52542b7d88a19202512cdb2fab2af2b7091fb578bfc3b15f9aa09e6eee5162a972b86b97321b2136ab11e3af5730e685d07ffd4f1160e2f4567bffa8cb64c27aab3ddd0aafb072d63ae99fe4b2f206e9354b122a61", 0x6f, 0x6}, {&(0x7f0000000480)="2b629116deac69f98b33dfe3992a88b300cf1277bef3488d30c500cec8d5b11e3b27816f3948c9fa53f7460cd008584b9e", 0x31, 0x8}, {&(0x7f00000004c0)="d06c4e93e9fc6dec7dcf184ff43806bdf4421fe354d6d255d468f325610d3e90c121df8cbeb0d996232044d71b999d514172cafd9ab4a3a9f137816738025b2af4a239180d93f7ec13924ce84f13653c", 0x50, 0xf09}, {&(0x7f0000000540)="70a118c2fd924673923d438abe9681f538836e9c8bc2d6b66c4ad9eaac4adfc58854dae5daa56c1205e7cdc5fe1f560fb519a97eb63830bf17bb55d86de5e31f739808b7c42c273b", 0x48, 0x1f}, {&(0x7f00000005c0)="c40effb80fec850aced4dff5b85553c315536449e3c4fe742c", 0x19, 0x3}, {&(0x7f0000000600)="4544d7788a54467b6cb9c81112dbbad64bd43ef4d35b4b15a155455e8e3b148af7a61c9a4735319e838ac91b28b8f09147066997d6224b241ac84558ce761f2a5f69043deee9ad1c006f059d006a1c19a7ba107009c5470add069b810628ac6dcb39c8445f779037b4a685429660ee0457b9bed7ff656afc27096fc64f969b1529e232db42361b4293aa992cfe922a2b24614dcd944d2c986902bf1115d791", 0x9f, 0xd4}], 0x112010, &(0x7f0000000b00)=ANY=[@ANYBLOB="2b5c5e2c7b2c242d2d232c263a7bfe2325407b2c2c2c2c282b24153d7dad27217b7b21252c492c285bf53a272c666f776e65723d", @ANYRESDEC=0xee00, @ANYBLOB=',f8owner>', @ANYRESDEC, @ANYBLOB=',subj_user=,sm\x00\x00at=}U)-,fsmagic=0x00000000000)0009,subj_role=#,fsname=@,\x00']) r6 = syz_open_dev$vcsn(&(0x7f0000000900), 0x2b27c939, 0x84040) r7 = openat$fb0(0xffffffffffffff9c, &(0x7f0000000980), 0x0, 0x0) r8 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r9 = eventfd(0x1) r10 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r10, 0x0) preadv(r10, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r8, 0x8}, {r9, 0x3089}, {r8, 0x4000}, {r10, 0x8000}, {r8, 0x2}, {r8}], 0x6, 0x1) io_submit(0x0, 0x4, &(0x7f0000000a40)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, 0x9, r0, &(0x7f0000000040)="05e8b59843b0a2ce94ecdc76cb2a8843f76de43c3b616c154523fae68e31c3b4e5ef1713a227fca024238e7443033eea1416060ac5e11d293bde090062292ee30db570a0b8f8f7d2a87162856c0596690fc0b4e5558980b0038118f40ec00034d86016cd1a2600a119b8545389a9636c6c978b3072e216", 0xfffffd76, 0x3ff, 0x0, 0x4}, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x2, 0x3573, 0xffffffffffffffff, &(0x7f0000000a80)="e1aa8060d741ed32bf6e10258e6da86a5ddbc2ff4dd5fe95a2688b9b8ff34c579432477b85a26a6c7fc379ecce672e8b19b17bface52b17c94dff023ed4d7edc2f78a595185e87197b6239a6fc2d3f6ac8a9bd01869e4e36942bf47fa1", 0x5d, 0x8, 0x0, 0x3, r4}, &(0x7f0000000940)={0x0, 0x0, 0x0, 0x2, 0x81, r5, &(0x7f0000000840)="d63a232bbe82557524785eff8958a37ebde25d3da082b92bf6ab77cd2f61ba6544f47891eb1b82abaf84ae2c901786a9cdaa791f5c670ac2d66d10ec3fd514e57dcab68c57bf8d24823cc5773b175ce131902ce50347133b2afeee352e1c61de358c82509d3f9ef929dad5449df40fc07c6089a894904d7e4cd00a2b44cb8bfb855f", 0x82, 0x81, 0x0, 0x1, r6}, &(0x7f0000000a00)={0x0, 0x0, 0x0, 0x6, 0x401, r7, &(0x7f00000009c0)="1ed7d66d00c86cfd61834f2bc653495412d7e5a85a2eb25831b2", 0x1a, 0x9, 0x0, 0x1, r9}]) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) 12:40:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x8200) dup2(r1, r0) 12:40:14 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x1100, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 526.423757] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:14 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x2000, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:14 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x6}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r2 = dup2(r1, r0) ioctl$NBD_DO_IT(r2, 0xab03) openat$hwrng(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) 12:40:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:14 executing program 3: r0 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/sync_sock_size\x00', 0x2, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x8, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, r0, 0x0) r1 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) [ 526.679149] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:14 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x3f00, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:14 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r1, r0) 12:40:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = dup3(r1, r0, 0x80000) perf_event_open(&(0x7f0000000140)={0x3, 0x80, 0x53, 0x27, 0x3, 0x4, 0x0, 0x4, 0x111, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0xc0a0, 0x4, @perf_bp={&(0x7f0000000100), 0xe}, 0xe31abb551771c3f3, 0x1000, 0x5, 0x7, 0xffffffff80000000, 0x2, 0xf945, 0x0, 0x340, 0x0, 0x5d2d}, 0x0, 0x7, r2, 0x9) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r5 = socket(0x18, 0x0, 0x0) mmap(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x200000f, 0x13, 0xffffffffffffffff, 0x2509f000) getsockname$netlink(r5, 0x0, &(0x7f0000000380)) ioctl$NBD_SET_SOCK(r1, 0xab00, r5) ioctl$F2FS_IOC_RESERVE_COMPRESS_BLOCKS(r0, 0x8008f513, &(0x7f00000000c0)) [ 526.978737] block nbd5: shutting down sockets [ 526.996201] block nbd5: Unsupported socket: shutdown callout must be supported. [ 527.238840] block nbd1: Receive control failed (result -32) 12:40:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x1265, 0x0) 12:40:15 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x7}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:15 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x4000, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:15 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000200)='/sys/bus/usb', 0x100, 0x1) ioctl$KVM_IRQFD(0xffffffffffffffff, 0x4020ae76, &(0x7f0000000240)={r2, 0x76, 0x2, r1}) r3 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = eventfd(0x1) r5 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r3, 0x8}, {r4, 0x3089}, {r3, 0x4000}, {r5, 0x8000}, {r3, 0x2}, {r3}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r5, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000001340)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf2507000000080001005e00000008000300", @ANYRES32=0x0, @ANYBLOB="0c00990000000080770000000a00e800ffffffffffff000014001780040003000400020004000200040002003bbb563db6a233339e35ec9e6eea24d1688d8e56134a2187102e4b9c08648a8178aeace64a4f5a117940b078e2de6c32e0b18a871f95f29b08b2e03d8c2507347e94e3d2cfbc76752550460b9b6bab907d5232a9476d512aeb349b57fd061fe35a9c648ce1e92217fe3a0dc3783e3fffbb7ddf321e8297777d8685"], 0x50}}, 0x800) ioctl$KVM_IRQFD(0xffffffffffffffff, 0x4020ae76, &(0x7f0000001300)={r5, 0x2, 0x40, r1}) perf_event_open(&(0x7f0000000040)={0x4, 0x80, 0x2, 0x1, 0x7, 0x9, 0x0, 0x489d0070, 0x2440, 0x8, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x3, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x6, 0x1, @perf_bp={&(0x7f0000000000), 0x4}, 0x108c, 0x7, 0x8000, 0x1, 0x400, 0x54, 0x5, 0x0, 0x400, 0x0, 0x7}, 0x0, 0x1, r0, 0x1a) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x83, 0xef, 0x80, 0x7, 0x0, 0x7, 0xa38c2, 0xf, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x2, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0xffff7f92, 0x4, @perf_bp={&(0x7f0000000100)}, 0x60, 0x20, 0xfff, 0x1, 0x7, 0x5, 0x20, 0x0, 0x3, 0x0, 0xffffffffffffffff}, 0xffffffffffffffff, 0xc, r2, 0x8) r6 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000001440)={0x134, 0x2, 0x2, 0x101, 0x0, 0x0, {}, [@CTA_EXPECT_MASTER={0x40, 0x1, 0x0, 0x1, [@CTA_TUPLE_ZONE={0x3, 0x3, 0x1, 0x0, 0x1}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @private1={0xfc, 0x1, '\x00', 0x1}}, {0x14, 0x4, @local}}}, @CTA_TUPLE_ZONE={0x6, 0x3, 0x1, 0x0, 0x1}]}, @CTA_EXPECT_ZONE={0x6, 0x7, 0x1, 0x0, 0x3}, @CTA_EXPECT_TUPLE={0x90, 0x2, 0x0, 0x1, [@CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x1}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x3b}}, @CTA_TUPLE_ZONE={0x6}, @CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @loopback}, {0x8, 0x2, @initdev={0xac, 0x1e, 0x1, 0x0}}}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x2f}}, @CTA_TUPLE_IP={0x2c, 0x1, 0x0, 0x1, @ipv6={{0x14, 0x3, @loopback}, {0x14, 0x4, @mcast1}}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x21}}, @CTA_TUPLE_IP={0x14, 0x1, 0x0, 0x1, @ipv4={{0x8, 0x1, @empty}, {0x8, 0x2, @multicast2}}}]}, @CTA_EXPECT_TIMEOUT={0x8, 0x4, 0x1, 0x0, 0xc9f}, @CTA_EXPECT_HELP_NAME={0x9, 0x6, 'snmp\x00'}, @CTA_EXPECT_MASK={0x1c, 0x3, 0x0, 0x1, [@CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x21}}, @CTA_TUPLE_PROTO={0xc, 0x2, 0x0, 0x1, {0x5, 0x1, 0x11}}]}, @CTA_EXPECT_HELP_NAME={0xf, 0x6, 'netbios-ns\x00'}, @CTA_EXPECT_FLAGS={0x8, 0x8, 0x1, 0x0, 0x1}]}, 0x134}}, 0x2004c88c) getsockopt(r6, 0x6, 0x8, &(0x7f0000000280)=""/4096, &(0x7f0000001280)=0x1000) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) r7 = openat$userio(0xffffffffffffff9c, &(0x7f00000000c0), 0x800, 0x0) fcntl$dupfd(r0, 0x0, r7) 12:40:15 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x2000) vmsplice(r0, &(0x7f00000003c0)=[{&(0x7f0000000080)="1cb6ff6ea472a4ae3c406811d51cc20fcbf821792dfef0c293248b0c1dc76e88355f15e308bb5e6ae264db2c19bf1d6a69a6bf62e56b3929d6ea3891a9a8c10b25817f8c40ff61ffa38add5a8c044a603c66b667c2eb959f1739a25a53dbc9009d5e547a4be6c372f590441abb17d32abab4d020c52ffef305d06dc92e9d5c98b461ae319673c419e983ae128b055f17f61a109740c2daa98fcebef8b05f2685e9b0bb0fcbb2c75d78e322c8a7b726d275e5fc1b4e8fe7ccdf176ac46c5a162b3803cb544778f055515983d44cfda96f6b473ec8", 0xd4}, {&(0x7f0000000180)="77517caca08d092290a4f3374746f212f998d18ff7314471e71f06f616d15d03303781d43ad89cd6370c59c05c4d8b8ed8027d93ed9fde7fbd77172d942bce6879ae70264ae60602a25028ae1758ed12198d0eac938795dfbd39320326d8a63cb4c87774dfd4479952083e000c45536f", 0x70}, {&(0x7f0000000000)="b989ad28bde4158ff03d23af89bd1f28bf1abcf166472b9e66bf2eb702817be27e74a4cbdd3364c14d06968d6b790009a433dad4a2ae1ea5b59867e97ab3", 0x3e}, {&(0x7f0000000200)="6c9efa02768edc9df73d7d4cd71678fdb7aebfcc87062beb921ebe2acab623d29c1bd01be1b78d6dc3bb4b68010a82401d5e09aa", 0x34}, {&(0x7f0000000240)="474427d7e9d882c30f09ceec54efcfe662363be1c78fb5d898e26f3024faae4c01591fa6850b37956db6ff369eee831b5fea9ca8cb15c66038042232153de8296feb1fba7132367226dfa285bd0969a197873e44a0a681e8afe461c4108965c661a60d775d93c82c3b5105cb032775e898bc0d3db889162cfe58835ccf738d5fe1a702a3fbf8740bb0d21627e426b488d2e937c7c71dfcb0e8d1ac40fcd99b15fd94afc75ec6fe883a94377f00323f4d1894bd1e7996a507ee9b3c125413927aa456c1f5f84edddb35bef2f83f0b55de079a04a113509e224add15600627", 0xde}, {&(0x7f0000000340)="ddf69e7df061f3d289bcf82009edbc92ad7eb45e4204597d2577e4d1b93f0c07b8aa7ebd5d914f9cfb34313464ac99ff0c7425caeea8ef8c3ea72b8509507d18f8aafffbb11264eb23e8ce481a14bfe3411bfa5014d9f58d1e1526bb879e3f2a2a9d630643f8e929", 0x68}], 0x6, 0x2) dup2(r0, r0) 12:40:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x2) r2 = syz_mount_image$ntfs(&(0x7f0000000140), &(0x7f0000000180)='./file0\x00', 0x2, 0x7, &(0x7f0000000680)=[{&(0x7f00000001c0)="7c9aa0c41dbc9b41a8b6149722b67e43d9cad89a3aa72bd67dd1d8dca0", 0x1d, 0xffffffff}, {&(0x7f0000000200)="a07e1b94e6b43f88", 0x8, 0x1}, {&(0x7f0000000240)="bebf6a8847150d38c34dd3db4fc3713d8a43795a8b8a6fea709302f8b8e7eaa989cc385edaa0c0f23980e91d0c4d5c68", 0x30, 0x35}, {&(0x7f0000000280)="d86865a3bcbdf331c3945693f10b3346afd84eaa9448c7e0b81f11f129c49230f00467d849fc33946226a80083b9a0ebcd8340377d4e85686853a104db70e653a9777fdff3e1668ad13a4a9f2ecca2fab9022b6dd3dc165becf10119914e118d36f6991447aa325f3dc0124be8a35d777f40f4babc42579c19344b9bf6a8e87015a43ccf817c34227527e84e6fe6266e9ad024ff33685ea1b197ed5798a78e26c43f7fc94a1998db0710c6e492277bd527bdf7fa432b92b5ca2854e2eccd34d8f515ee6fa59e748520cf6d77eb6db0d597051b13adee0007071e57a71702a02140cc82bb0de2f262923773878a01533f052c85c0eec3fc7b8b0aecec77e8", 0xfe, 0xffff}, {&(0x7f0000000380)="e7e0c3933495e67493e47bc3ff1f373bd664a543f0f249a5800a18af6b70215e8eb1522a66914898ef87e3309c3aca51d5c57c68758ca984db91900804bedb6cff6da5bafa55b0a15e280b5efa56ffcb4c3719a084547d8931ac17e1f7a813eee3d60f64cfcb3b2e7debd07e52818c7a37866bde49774c46d41e06b1c90745377bffc0bc83d5bfd2d89f7debcb2ed2555b2b4a362852698bcacf3cf84557175e8f7bcc4eea0fcbbad927554baf9e7b94c37c03145a82566a3e143aaafe3c7d0edbbfc1d013b1538ce3624605025d43870af33fbc6b22", 0xd6, 0x2}, {&(0x7f0000000480)="1c8cc6516109d74289cbe0db3ebd6623802b9e8da33bed871facb7d183def65e5a296a275208dcc4c81782276745f09d29799e7766fc5879e9d56f5c3ca89fb4954ff5fa41edec59fe2b0cf354e56772dcaeaca2070bdeb4d57cb92cf17f9c1887e4531e0d245609357fe205c4af9c566126a5b12467a81c608aaf7ac78eae1ab749308ee18dac929088c3390afac1763f6ff4a703e8008d945d6c1f8153a8c74eb421dd5e2f6c6102183714575f3d2f178caea0cfa0c497f3bb137c501e5cdead945c279576ea", 0xc7, 0x5}, {&(0x7f0000000580)="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", 0xfa, 0x4}], 0x22000, &(0x7f0000000740)={[{@show_sys_files_yes}, {@utf8}, {@mft_zone_multiplier={'mft_zone_multiplier', 0x3d, 0x4}}, {@uid={'uid', 0x3d, 0xee01}}, {@uid={'uid', 0x3d, 0xee00}}], [{@func={'func', 0x3d, 'FILE_CHECK'}}]}) ioctl$BTRFS_IOC_BALANCE_CTL(r2, 0x40049421, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) r5 = syz_open_dev$swradio(&(0x7f00000000c0), 0x1, 0x2) ioctl$BTRFS_IOC_DEV_INFO(r5, 0xd000941e, &(0x7f0000000980)={0x0, "317b2ba0fc03949ec443c23f12ed0741"}) r6 = eventfd(0x1) r7 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r7, 0x0) preadv(r7, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{0xffffffffffffffff, 0x8}, {r6, 0x3089}, {0xffffffffffffffff, 0x4000}, {r7, 0x8000}, {0xffffffffffffffff, 0x2}, {}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r7, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f00000007c0)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf2507000000080001005e00000008000300", @ANYRES32=0x0, @ANYBLOB="0c00990000000080770000000a00e80046e62db1cc3328c402fa1fffffe7ffffff00001400178004000300040002000400d9020000000000419466169e52fd733472137fdd1d79b0a9b8279aad24a64ef6bb9788bffc1f99f089c1f98de81df9826df77dede11f7cbd304766569d3a7d66621644bb95ad480131e462293ba4015743939b4ebb5ead62ecd660572796101ebf66cfee89d6a7c20fb81a59a7badb87dcab50cd323774ff4e53c46a38bc8701e9dfd8fc89"], 0x50}}, 0x800) ioctl$NBD_CLEAR_SOCK(r7, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 527.282463] block nbd1: shutting down sockets 12:40:15 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x7c00, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:15 executing program 2: sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)=@ipv4_delrule={0x54, 0x21, 0x200, 0x70bd26, 0x25dfdbfb, {0x2, 0x0, 0x0, 0x7, 0x4, 0x0, 0x0, 0x8, 0x10}, [@FRA_SRC={0x8, 0x2, @dev={0xac, 0x14, 0x14, 0x3e}}, @FRA_GENERIC_POLICY=@FRA_FWMASK={0x8, 0x10, 0x4}, @FRA_GENERIC_POLICY=@FRA_SUPPRESS_PREFIXLEN={0x8, 0xe, 0x4c}, @FRA_TUN_ID={0xc, 0xc, 0x1, 0x0, 0x2}, @FRA_TUN_ID={0xc, 0xc, 0x1, 0x0, 0xcdf8}, @FRA_FLOW={0x8, 0xb, 0x9}]}, 0x54}, 0x1, 0x0, 0x0, 0x4000080}, 0x800) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r1, r0) 12:40:15 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) ioctl$F2FS_IOC_START_ATOMIC_WRITE(r0, 0xf501, 0x0) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) [ 527.390428] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:15 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x8}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:15 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r2 = getpgid(0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r2, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_procfs(r2, &(0x7f0000000000)='fdinfo/4\x00') dup2(r1, r0) 12:40:15 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0xffff, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 527.556186] block nbd5: shutting down sockets [ 527.562113] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 527.642542] block nbd5: Could not allocate knbd recv work queue. [ 527.648753] block nbd5: shutting down sockets [ 528.217115] block nbd1: Receive control failed (result -32) [ 528.223256] block nbd1: shutting down sockets 12:40:16 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x1267, 0x0) 12:40:16 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0xbe19b00, 0x9}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x101}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:16 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x9}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:16 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = openat$incfs(0xffffffffffffff9c, &(0x7f0000000000)='.pending_reads\x00', 0x101001, 0x18) r2 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$F2FS_IOC_MOVE_RANGE(r1, 0xc020f509, &(0x7f0000000080)={r2, 0x40, 0x7}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x8000) r5 = syz_genetlink_get_family_id$ethtool(&(0x7f0000000100), r3) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$nl_route(0x10, 0x3, 0x0) r8 = socket$netlink(0x10, 0x3, 0x0) r9 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r9, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r9, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r8, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r10, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r7, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r10, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r6, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000440)=@newtfilter={0x4c, 0x64, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r10}, [@filter_kind_options=@f_flower={{0xb}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x4, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x4, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x52}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR={0x5}]}]}]}}]}, 0x4c}}, 0x0) ioctl$sock_ipv6_tunnel_SIOCCHGPRL(0xffffffffffffffff, 0x89f7, &(0x7f00000001c0)={'ip6gre0\x00', &(0x7f0000000140)={'syztnl1\x00', 0x0, 0x2f, 0x4, 0x6, 0x4, 0x9, @private1, @mcast2, 0x700, 0x1, 0x8, 0x5}}) accept4$packet(0xffffffffffffffff, &(0x7f00000002c0)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000300)=0x14, 0x0) sendmsg$ETHTOOL_MSG_RINGS_SET(0xffffffffffffffff, &(0x7f0000000440)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000400)={&(0x7f0000000340)={0xac, r5, 0x800, 0x70bd26, 0x25dfdbfb, {}, [@ETHTOOL_A_RINGS_RX_JUMBO={0x8, 0x8, 0x401}, @ETHTOOL_A_RINGS_HEADER={0x50, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_FLAGS={0x8}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'gre0\x00'}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r10}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x2}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8}, @ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r11}]}, @ETHTOOL_A_RINGS_HEADER={0x28, 0x1, 0x0, 0x1, [@ETHTOOL_A_HEADER_DEV_INDEX={0x8, 0x1, r12}, @ETHTOOL_A_HEADER_DEV_NAME={0x14, 0x2, 'team_slave_1\x00'}, @ETHTOOL_A_HEADER_FLAGS={0x8, 0x3, 0x1}]}, @ETHTOOL_A_RINGS_RX_JUMBO={0x8, 0x8, 0x6}, @ETHTOOL_A_RINGS_RX_JUMBO={0x8, 0x8, 0x4}, @ETHTOOL_A_RINGS_RX_JUMBO={0x8, 0x8, 0x1}]}, 0xac}, 0x1, 0x0, 0x0, 0x20001010}, 0x40000) dup2(r4, r0) 12:40:16 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e20, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:16 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = dup(r1) r5 = dup(r2) sendmsg$nl_route_sched(r4, &(0x7f00000001c0)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000140)={&(0x7f0000000100)=@gettfilter={0x34, 0x2e, 0x2, 0x70bd2b, 0x25dfdbfe, {0x0, 0x0, 0x0, 0x0, {0xf, 0x8}, {0x4, 0x8}, {0x10, 0xa}}, [{0x8, 0xb, 0xba94}, {0x8, 0xb, 0xffffffff}]}, 0x34}, 0x1, 0x0, 0x0, 0x20004858}, 0xc000) setsockopt$inet_msfilter(r5, 0x0, 0x29, &(0x7f0000000180)=ANY=[@ANYBLOB="0a010101ac1414bb010000180d00000064010101e0000002ac141429"], 0x1c) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 528.262159] block nbd1: Could not allocate knbd recv work queue. [ 528.268357] block nbd1: shutting down sockets [ 528.351565] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 528.366926] nf_conntrack: default automatic helper assignment has been turned off for security reasons and CT-based firewall rule not found. Use the iptables CT target to attach helpers instead. [ 528.391168] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. 12:40:16 executing program 3: r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$netlbl_calipso(&(0x7f0000000380), r2) sendmsg$NLBL_CALIPSO_C_ADD(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000180)={0x24, r3, 0x1, 0x0, 0x0, {}, [@NLBL_CALIPSO_A_MTYPE={0x8}, @NLBL_CALIPSO_A_DOI={0x8, 0x1, 0x3}]}, 0x24}}, 0x0) sendmsg$NLBL_CALIPSO_C_REMOVE(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, r3, 0x5, 0x0, 0x0, {}, [@NLBL_CALIPSO_A_DOI={0x8, 0x1, 0x3}]}, 0x1c}}, 0x0) sendmsg$NL802154_CMD_SET_MAX_CSMA_BACKOFFS(r0, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x28, 0x0, 0x400, 0x70bd26, 0x25dfdbfe, {}, [@NL802154_ATTR_WPAN_DEV={0xc}, @NL802154_ATTR_MAX_CSMA_BACKOFFS={0x5, 0x12, 0xee}]}, 0x28}, 0x1, 0x0, 0x0, 0xc084}, 0x80) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r4}, {}], 0x2, 0x1) 12:40:16 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:16 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x11}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:16 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x1, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 528.489496] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. [ 528.521722] block nbd5: shutting down sockets 12:40:16 executing program 2: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) sendmsg(r1, &(0x7f0000000900)={&(0x7f0000000540)=@caif=@util={0x25, "783a416529c11e3da29f9b77e4b8874d"}, 0x80, &(0x7f0000000880)=[{&(0x7f00000005c0)="b1007405bcf5251869719ee4fa8e6c1c7261c8574e36007ccc76032b4e31630753b1298f8663b81ceedd91652453800e06e46a16f274b82334112ca7d9cccc3d21e6d572760e33608c256df80ac61f63a9a69b03640c3a9d529c6ddb134b154ddbf22bc84e5fe4accb", 0x69}, {&(0x7f0000000640)="e3fd8d7525f5718a388a8c9c6a459ba6a7b9fe1b8f00a3b2e0d9d3a5a512fe59a094f25e7d02dd84e1e3012c05c2c3ee306c2d54edc4e7037ef0f9a25c40ddebacf2f5644107eaa15135b052c291f74b8383706efdda24104d2bd6748e5839e1f102b6279756705c37971b8d15", 0x6d}, {&(0x7f0000000980)="c88136d14d0b025036179d4e416cb2adf461f39ba9f676695d43fc665d225cc0f2b596d32b397f89f10d2096b1218bf25221a2967aeb7898de6c7d7b42f74f1de8b1cffb8d38a6a52507da2e6f3b40acd5abe3dad9563f34ecdac7a02bc6aece671a1ce3e3ae7190f234d9a0f70b515fcd38daa0973ba517396148e4685acca517773a8eecfb1948f5364d418a816ad17b5c0c5ad2a9f678c9e8a3e0380d7037f437ffd37749317aeb2efa2275a4a52c35056d1873f89583523cf679d8e842ae1f5a7160bbf7be40cc74d5606d773d2f7d46a4fd709b2a92516647daf698b5f143c23dc611c0801f03a8dd1ba0014bf12e8620674f123dd8e25521fa6386d5c975a98d718bd2e9873d377b8fa69a27691649fa2786b64f412978831f800a7e48a808f5ea6be6c43d2f316e790a1f06eeeb7c4392fac32c7c7db7f482e0288bab7ecbea26545586e90b87e5b436ccac4d6acd9c70285bb92e8fda408e7258eeee0a261f457ac15378fcfdcfaf58323ee810cc44de012151102c6a1892274496840702a18ba00c41620d5f79b155063fc6348494adf0b553677ef6b21ab78eacb902de645f0cfc397cdc810592bdca73958b754605b8e26024efa4522e34a24c7ff802438ffe496b0b91859c829f45e04c743fbd1b0657fa224d061227fcdb52517a92937ff09c6379f135131215690598eed03763bb834ab8aa8f4548603ba8f2ab2da1b068f2c41eb2b5fac60c61df755e67070a736857cb6a3e638152698958d6449de8ec6ebace32221be05f5df62a3a9e6d37f255871572df83300b026b89725beb416c1fd479a7532c83db1a097dae35f2827dc5b2be802714faafb54474cfa19fe97b2babef452c2881fb2406e24ffdc1c93bf02ab1bbf8632cd1b4f3319ea69f6f1781ab421e4c00cab3b337e9a5a9981b7619a41fcf8adabca9a4242878038021e5965a786f59252156f83a8265e5b83db64c302657a32231586b99daafa85929b329725258c8454a3a860119b7d2a2dacba460a46dda6a05dd6bebf8c4afcda9161f9ff0589b489da966acceae86ed6629e6142c6295164b1f86a1f9cfeea4afacedfd36e7a4b2baec0668ddf8194515a9fd75175aa82fd2af4f10ffd0d0c8c20232a923403f9ed1f89099069f7b410e8316010c3479fc1278144f39ec78647ff772758bbe50fa233256f39a0f93c33a53aaf8b6cfc84d8f09b0e37e263ba67e55674ceff5fcb7ba95d71e5abecac926a0cb6cd468c94ba88b796daeeb45e82dafff2e59e229726e4cd7a3deade2389a3343fd28f912cfe1f23f5eb6b490d0ec71fd03b0a7b43e118856f28ff51473a87d9fc5e953afe7977a44e644a9842b32fe0ac42d2326537a639754a9a7f4865b4b053a9ebc705a6c8fd10a081b595d42e70c076e03e78bbf0b1d321f7c585dbd5e69871ee60bb5002b561fafad12e6f9636362f0ad6728d316931b2c6f16f35c910c11eddb3ad3e75c388560df3ba9445e1409079df62bce188f9b853e8eebcf1afc55f62a52679aac4be1139833fb31aae690f342478b117b7dad3d0a24db2002412a1f1a03985b5fda499fc7b1432c2d18c8aa6cc98f5af1e92642e62e451ae7ac32b72e597e09241e30f59e5cb3b5945b999ef683a9ab0681a4a84d597cdb833615a139655a7d70b761153a9923a5b907bda57b2596aafbfcbc0ceba7134db223bb84d8bbafeec6cccac23195feefd3288e0b167c31e3bb802736426a4d662329bb7f258653242f56c8f35046639ddcf74758ebbc3b0e20c6bbafb1b475d45c8c2bd6f8dea335643045aa22fc7a4354b9e2f7770c2c0bf865d8859465509c459489b994d098813faf6dcbd4c83fa785045e69b520840e6d5e523d33811674e9bfb877e107fb093a038860350c3702eeb9edad9172f010015919909a86992417be13f2885893ab971c767d2caed3870d007811c4cdbd8561c7b841b90cc6ec29a33022529b9c3ea902e9f612aef1484c90d073f6cc2a7699bd24cf71e06a37cc9667ce17f39521c055bb9120b1d8734df8c1d3f134888cd3645170a8fdd3764fb1be8c6dc9b5a05bdf7ae348912568b5fe13b1818f7644c6e527898cfabb9ebb40fdf7d46125bd5c292f137b2b98fc6652839da997f59ffcd33476d588e096e1da1f416bbb9d2d4d7f7c6f4081a1e7d15f3cd28b37f02b8b57bf3bbf96a5f8e219a236a75fa3a650dfaa8109c0984fa60ac1ace0e74bfb18945914bf5b238bacc0a21bda108d13df77666d9791c4fd80f02dbc5e6dc707266c2204b992ca966c76d8d3b946721c662108c6a2817ffd877aafc15ab12baa3eb349e6931f0a64941eee534b97b41abee728977d6251250033abce187e6ab4ce45872884fd7e0b44a187fac65e67d7c17bd1bd026c11141e5d89a916a304119e6e93c5b5fbd1dbb47818dcd68a8fe8661d031822ec29018f175b2a56fd23a789812161128eab0c14e8b5410aff989b63f6dbc6e53fb050f954dff47a7d0d2b3f01d17c6cf7061b337bf3bd02031565575de86e0ff82e9a9e9e7f9b66016598290a8b671753cf530b8ce3158e3b26b7f85619f0d0be8679217124b8b2d8425f277715edec5626bc796189e633330c7b52e087a95b22f80082f4198ed7151fadd99b2718210c652189acc7269a02a32c376b17450134d51e504f6d4fdfe6526b813fa69d2cf31dc59111344491f2326a5aac7e1eaed3c79068f287a373d0a5217810245b1993d63ae5b9aa8dd51488a5b856a5bd34bc006cc5324f186cb66f6830db0b6c439c9129d3314f1101aa4e9c2d15ebbf738982dfdc2c8adda99410f1af1f5fbc25e8d953a4c03aaec6f33ccdaa7378331003d6f89de45bac0e3575325987c64ca64f767ce66122f6e7109fcd80fa92f12e456a5414f54fe5f18b90e9c9a8ce916ce36f7e4b5c2bed651ca1c077a4eed4f93cbc85511e3e64a4057fec9d20e0a5eb8b5c41b91e68f91ad8969f88568b911984538d0efcff337e28d3094e87575c323cb9dadaa235854a75426c2c560a679ac2f33780c67e535e8b2d2f83f7a7d7dba72cb838f28515ae838ca24a2cc1af5dc542c3cf52bd142cddee4affb3c03d7ad25f74500b0d61b401e38598df7dbbedde91572b127509fa9d1baf11da5b5f4fff536ce39d05095fdfd2d68a38a1aeedc39a19a483f2a9c32d548d5077fb7fde7dee17fdca80d6745eaeced8d8b7dc1f760ed9864f8e532d31a80a12319bfd308e0f1b9a24df210b760d37ad2a45c8b8b86494d96f0a399aec213d3b14c047ed00201fcd2dd2266f8174f706cdc1f07d95e4fe96a78782ea88c42b4299060062a549d16d076049633da0e2e278e6c5e59bdb56959913e2762703d5a059d2f78820a0870902ba0237938d2a6736f5665461d658795a3e9c87af0d6c77b8be21bb6a15fec463db0d8e844226869ce7779562204d295dab38edf1e2b31a601aad068382bb255939f1483958402b865d1c6073d2e2686a9ae576d3aebd20bff79fc853001a03f339100b9e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0x1000}, {&(0x7f0000001980)="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0x1000}, {&(0x7f00000006c0)="82593c84b2c577206bf69ef5aea123235e242d0da3d3dc903440165606017d8598047a3280c4dcf146b50db7f53f1d6bf0a4b1a7b935cd7bb7c40009303244eacdfb43f017dea0ab722512ae3c5ba519ef703d0fdeb2961d60241207810c53fe33a0f0e85b8ad117faadf4c0ae8928a86f14a7fc74133b03a6a58e05b2017d2a162cbdfd80071d8f815854df46ae0a611ace96f4407075b07ae97a314c8f5f2f55cd6bf7f64527d0be1d5f71ef68dfc3cda67897c210e36baa9113e038017e0e685cc78b259087", 0xc7}, {&(0x7f00000007c0)="38805715229fb89ef579b1c29adb0a9628b165c9616a510a69e12871511f199f328e345ebbc4c38373f2e9483abc3ca165a9c2ef30712696adb10566ddd0bee5e743794d81ccbac249c46b7e1a497bbaff3c5b9474fbf5e6efb06c82892383f54d2f1d01c3bcdbe13213dc37b4437c2ba35e8431b8ee97eb39716fe1961f65e0516f09bb0fcf02395b4d72b493c8785b2cd7877ceb1401a7f27404baa5d1694a7fdb563c63a32641f4967f2172b49992b8eec9f26c", 0xb5}], 0x6, &(0x7f0000002980)=[{0xe8, 0x100, 0x6, "f087cb7d493902dcfb1b61e9ebc957ada0ec6609ee24af1106e6b796394562b3268790785f49004e0ac900949264723c306f620d788ee9cda87b38a132595a3434d5e201babc69ac520c5b4a693f27eda76736d37c3ef2fa46e20c7d8395c671756db568f3f75f727a17f9de54ab63b44375c030b91db8abf986239658ab8b58545ac16cea2d5a120b87e23f1a63b23b8592f9d3ed105788a680debb41b0046ac1a530c45d15ae6edb271494b1f1a04e4e9f03fe57f2b6f0c950feb9a1d33c0a0104eca6086c762a2cab1ea74ac193cddcfa"}], 0xe8}, 0x24000800) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000040), 0xffffffffffffffff) ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f0000000200)={'wlan1\x00', 0x0}) sendmsg$NL80211_CMD_VENDOR(r0, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000380)={0x34, r3, 0x201, 0x0, 0x0, {{}, {@val={0x8, 0x1, 0x5d}, @val={0x8, 0x3, r4}, @void}}, [@NL80211_ATTR_VENDOR_ID={0x8}, @NL80211_ATTR_VENDOR_SUBCMD={0x8}]}, 0x34}}, 0x0) sendmsg$NL80211_CMD_NEW_INTERFACE(0xffffffffffffffff, &(0x7f0000000200)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x2}, 0xc, &(0x7f00000001c0)={&(0x7f0000000080)={0x124, r3, 0x200, 0x70bd25, 0x25dfdbff, {{}, {@void, @void, @val={0xc, 0x99, {0xffff7fff, 0xc}}}}, [@NL80211_ATTR_IFNAME={0x14, 0x4, 'xfrm0\x00'}, @mon_options=[@NL80211_ATTR_MU_MIMO_GROUP_DATA={0x1c, 0xe7, "8b0d507f456591bd00679331f6658064f67505e7042a6598"}, @NL80211_ATTR_MU_MIMO_GROUP_DATA={0x1c, 0xe7, "2b2ba307d6277199627621d866aa44e362cbbcd14890f075"}, @NL80211_ATTR_MU_MIMO_GROUP_DATA={0x1c, 0xe7, "0efaaeb285ed43b60a87e3376f254e6f9b4e1fef248d787c"}, @NL80211_ATTR_MNTR_FLAGS={0x18, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_FCSFAIL={0x4}, @NL80211_MNTR_FLAG_FCSFAIL={0x4}, @NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_FCSFAIL={0x4}]}, @NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa}, @NL80211_ATTR_MU_MIMO_GROUP_DATA={0x1c, 0xe7, "4ab81893884ebe76c894719cf4310385ebfc1bcaacf9ee7e"}, @NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa}, @NL80211_ATTR_MNTR_FLAGS={0x1c, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_FCSFAIL={0x4}, @NL80211_MNTR_FLAG_ACTIVE={0x4}, @NL80211_MNTR_FLAG_FCSFAIL={0x4}, @NL80211_MNTR_FLAG_COOK_FRAMES={0x4}, @NL80211_MNTR_FLAG_ACTIVE={0x4}]}, @NL80211_ATTR_MNTR_FLAGS={0x1c, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_COOK_FRAMES={0x4}, @NL80211_MNTR_FLAG_OTHER_BSS={0x4}, @NL80211_MNTR_FLAG_FCSFAIL={0x4}, @NL80211_MNTR_FLAG_OTHER_BSS={0x4}, @NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_CONTROL={0x4}]}], @NL80211_ATTR_4ADDR={0x5}, @NL80211_ATTR_4ADDR={0x5, 0x53, 0x3}, @NL80211_ATTR_SOCKET_OWNER={0x4}, @NL80211_ATTR_SOCKET_OWNER={0x4}]}, 0x124}, 0x1, 0x0, 0x0, 0x40}, 0x4008800) r5 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r6 = socket(0x18, 0x0, 0x0) getsockname$netlink(r6, 0x0, &(0x7f0000000380)) sendmsg$ETHTOOL_MSG_STRSET_GET(r6, &(0x7f0000000500)={&(0x7f0000000440)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000480)={0x14, 0x0, 0x10, 0x70bd2a, 0x25dfdbfb}, 0x14}, 0x1, 0x0, 0x0, 0x40004}, 0x1) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_genetlink_get_family_id$nl80211(&(0x7f0000000300), 0xffffffffffffffff) dup2(r7, r5) [ 528.579273] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 528.618070] block nbd5: shutting down sockets 12:40:16 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) eventfd(0x1) [ 529.181148] block nbd1: Receive control failed (result -32) 12:40:17 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x1268, 0x0) 12:40:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x10800) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:17 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x48}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:17 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) dup2(0xffffffffffffffff, r0) 12:40:17 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000040)='fdinfo\x00') getsockopt$inet_IP_XFRM_POLICY(0xffffffffffffffff, 0x0, 0x11, &(0x7f00000000c0)={{{@in=@empty, @in=@local, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@initdev}, 0x0, @in6=@ipv4={""/10, ""/2, @multicast1}}}, &(0x7f0000000200)=0xe8) r3 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/vmallocinfo\x00', 0x0, 0x0) read$FUSE(r3, &(0x7f0000002100)={0x2020, 0x0, 0x0, 0x0}, 0x2073) setuid(r4) sendmsg$nl_generic(r1, &(0x7f0000001900)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f00000018c0)={&(0x7f0000004140)=ANY=[@ANYBLOB="58160000140000042dbd7000fddbdf25000000003d028e8008006b00", @ANYRES32=r0, @ANYBLOB="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", @ANYRES32=0xee00, @ANYBLOB="3df6c9da8b887900", @ANYRES32, @ANYBLOB='\b\x009\x00', @ANYRES32=r2, @ANYBLOB="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@ANYRES32=r4, @ANYBLOB="ebe8adebed0160b9da69d05afefbfc8f9d3e3518e875f7476442e75f55de27df2c06c305eef3c42658be4c7844f673ef14a630023347304d3bad0ad59356eced61bc076f172c0357b2bcdb442afe0b72853b2c9685e2ed0a3fe6e8de82d83514206fa4e08f38f71df6defd4ecd02cf62377b9750d139ec98ab7f60445e50a47d70fdf60018893447ecd4cf6f5a6762b7d5a8e001c3823b1425446d64193886f63994d26f4a95005a941ff060006f370a53dbf59d9b378bd13ca89dbf40103b825608a265aa3f48c630ef9129c295a8de969edc21cab5987425de1457e14ad0dcf14e63e65c03cc9ab2e33ed49498a96dc3b12c5a337e8c3a8db7c0d73803a80c09d7bbf2046527be4532330da7d51c8655063c43ed8b623c72b69d5a5bae2650f64390340b9b473a56543887ac08b9fcdf2d572efc39b4af4c71225b5e30e36b8ae30e330faa9b2c579ff7100293a08e035070c3ed7ec2cdb1b68a9c3f0097b170425b2081d16f09273d3e6cda5fa6e2d5a03865c00f5f5c437282b1e89ad1dc134dc98d4211bd60afcc8b0c75020800ff00ac1e01012ec5486048d6ccf92bc0bfef3dc97e8a0c35702c48583907e2c92a9b785c1de899289c546a13d85662e111503dd86b64db4fa4f5ccdde2fdb131e07058c60355612beb237a65de28c4ce594b75dbd95a69e947c25560afbac4f69de7ccfe0f10a680f3676647ec13e7ec865ab07503be1d5702de83cf3e9ae2c3ee7c0022c8997901c017dfe4567980e7d12d1e1c5a2b3f52ec65760edeec70d291ff568b305adcedc61b022b23976c4288a4fbef940047deba40e4be36bf7d1c0103ca9f00948664d998cf97394860fe75cc2d2b313001b7652f4de52fd9b024068d46a6c9e236d57ee7e900"], 0x1658}, 0x1, 0x0, 0x0, 0x800}, 0x0) r5 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r5}, {}], 0x2, 0x1) r6 = openat$tcp_mem(0xffffffffffffff9c, &(0x7f0000001940)='/proc/sys/net/ipv4/tcp_wmem\x00', 0x1, 0x0) ioctl$BTRFS_IOC_GET_DEV_STATS(r6, 0xc4089434, &(0x7f0000001980)={0x0, 0x2, 0x0, [0xffff, 0x100000001, 0x6, 0x4, 0x3], [0x1, 0x7fff, 0x7, 0x1000, 0xb, 0x0, 0x5, 0x8, 0x2, 0xc0, 0x3, 0x8001, 0x1, 0x7fff, 0x3, 0x9, 0x200, 0xffff, 0x0, 0x40, 0xfffffffffffffff7, 0x1, 0xfffffffffffffff9, 0x80000001, 0x7ff, 0x8, 0xe3, 0x1, 0x10000, 0x2, 0x8, 0x200, 0xba, 0x800, 0x830, 0x4, 0x7, 0x7fff, 0x5, 0x3, 0xbc, 0x9, 0x1, 0x2c0f, 0x8, 0x99, 0x7, 0x7f, 0x7, 0x8, 0x400, 0x400, 0x1, 0x401, 0x5, 0x7, 0x81, 0x9, 0x81, 0x6, 0x10000, 0x5, 0x8, 0x3, 0x3, 0x5, 0x3ff, 0x8, 0x0, 0x7d5e, 0x1, 0xe2e, 0x2, 0xde, 0x10001, 0x5, 0x3, 0x4, 0x8f, 0xffff, 0x7, 0x3, 0x8, 0x8, 0x8, 0x5, 0x5, 0x401, 0xbe49, 0x400, 0x1, 0x1e86, 0x5, 0x9, 0x9, 0x8, 0x0, 0x1fa, 0xffffffffffffffff, 0xffff, 0xfffffffffffffffe, 0x7ff, 0xab, 0x5, 0x5, 0xdd, 0x4, 0xfffffffffffffffe, 0x58, 0x400000003, 0x7fff, 0x591a695c, 0x7, 0x8001, 0x0, 0x7, 0x7, 0x0, 0x400, 0x100000000, 0x7]}) connect$inet(0xffffffffffffffff, &(0x7f0000000000)={0x2, 0x4e21, @initdev={0xac, 0x1e, 0x0, 0x0}}, 0x10) [ 529.222023] block nbd1: shutting down sockets 12:40:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r1, r0) socket$inet6(0xa, 0x3, 0x1) r2 = openat$md(0xffffffffffffff9c, &(0x7f0000000000), 0x8001, 0x0) r3 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = eventfd(0x1) r5 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r3, 0x8}, {r4, 0x3089}, {r3, 0x4000}, {r5, 0x8000}, {r3, 0x2}, {r3}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r5, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$ASHMEM_SET_NAME(r5, 0x41007701, &(0x7f0000000080)='/dev/md0\x00') ioctl$NBD_SET_SIZE_BLOCKS(r2, 0xab07, 0x8000) 12:40:17 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x2, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 529.331033] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:17 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = eventfd(0x1) r4 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r2, 0x8}, {r3, 0x3089}, {r2, 0x4000}, {r4, 0x8000}, {r2, 0x2}, {r2}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r4, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf2507000000080001005e00000008000300", @ANYRES32=0x0, @ANYBLOB="0c00990000000080770000000a00e800ffffffffffff000014f9f680040003000400020004000200040002007b5dbdc2eba56e4ed75fe5478071c5a152dd7c7b65e208baad73f1e4209a386e08dcf2acfdb9011eb6240314c9881d80e6aeac376c3b7b9141b502ce4869e2ac7e931561c3d95d1d4edf2a0561bc04c7784c5cc8dc5df0f5b6f0ed4bcc217ec286d6bd6f027e79010981df89832b0c73eacb70a1afed579ae053580eddcf9a622bc54dfedf8b634b1cc0d2"], 0x50}}, 0x800) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r5) ioctl$NBD_DO_IT(r1, 0xab03) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:17 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x3, 0x0, 0x7, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x44249, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2) perf_event_open(&(0x7f0000000040)={0x3, 0x80, 0x0, 0x9f, 0x5, 0x5, 0x0, 0x2, 0x242, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x10001, 0x4, @perf_bp={&(0x7f0000000000), 0x1}, 0x2, 0x8, 0x2, 0x4, 0x79, 0xfffffffd, 0x7, 0x0, 0xffff, 0x0, 0x3}, 0xffffffffffffffff, 0x8, 0xffffffffffffffff, 0x2) eventfd(0x1) 12:40:17 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x4c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:17 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r2 = dup2(r1, r0) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 529.533428] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 529.589739] block nbd5: shutting down sockets [ 529.671739] block nbd5: Receive control failed (result -32) [ 529.677774] block nbd5: shutting down sockets 12:40:18 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x1269, 0x0) 12:40:18 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open$cgroup(&(0x7f0000000000)={0x4, 0x80, 0x1, 0x8, 0x2, 0x1, 0x0, 0x21, 0x10020, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x80, 0x101}, 0x0, 0x7ff, 0x3b, 0x2, 0x2, 0x3, 0x7, 0x0, 0xeb, 0x0, 0x1ff}, 0xffffffffffffffff, 0x7, 0xffffffffffffffff, 0x3) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r1 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 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, 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$PERF_EVENT_IOC_QUERY_BPF(r1, 0xc008240a, &(0x7f0000000000)=ANY=[@ANYBLOB="0005000000200000"]) perf_event_open(&(0x7f00000000c0)={0x1, 0x80, 0x2, 0x4, 0x7f, 0x0, 0x0, 0x7, 0x20050, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x4, @perf_bp={&(0x7f0000000080)}, 0x81c0, 0x1, 0x649, 0x0, 0xfffffffffffffffc, 0x2797, 0x51f1, 0x0, 0x4, 0x0, 0x6}, 0xffffffffffffffff, 0x2, r1, 0x2) 12:40:18 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x3, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r2 = syz_mount_image$qnx4(&(0x7f0000000000), &(0x7f0000000080)='./file0\x00', 0xfb0f, 0x6, &(0x7f00000004c0)=[{&(0x7f00000000c0)="3fce892c6c3cf59b61bcc0168b595044f2d962e6edb093179a0da59c62e8e2d2f01852f97627cc6e70bc70de94a78adb63fe17688618aa1178d806f45919b0a3ce03550762b231ee48ccdd1a5af2a00c43842ba28934a475b1d480ad902b4d7b7f3ce0f3117ca1083118117f5058542712bea36dd5eda4c8d1513b0cbc64b1128bf11159f7b0fe62a86e17e6b16725a5a04e888592d0c86f01b8285bafda4348", 0xa0, 0x1}, {&(0x7f0000000180)="80da37e0451f1770b4854766c5f7054fa8cd3acc7e1fa14fcbb9f3dd33128da22829492e948e9abd59c2b588fc158f7a454f560d5dbd01bb7aa773729a1185360954cda1688608eaf194bd93dab2daecb4e0ff44123b6f661b04fd5762b62668697ec11383d6ec6396b62395f803336c03c8d082915494e35d5a0043344eece9612a80f336c662fe5e2221658189ed25538065b6da1a04193a0ed3631ea5cfed358410a44b00ba25d74316e2bf9f5ae5c22ec74841965d1bba291957", 0xbc, 0x36625ae6}, {&(0x7f0000000240)="e11cce199b2dc81dd3f5ad65fe8b699f72b6a638b998ac0af919d23fc9c655153322c2c17e3afe8c2098b7f416a9d35e9e483e1508046006f4dd52df0cf75a5bcab1531f51ea0ba3bb96c04561908da9e45fa7a62857b59943b607fa7cefc077b5032813099f453d81381781ace4e16e1f6f01377b2176c3cf7123e1025c058a88c7", 0x82, 0x3}, {&(0x7f0000000300)="83bb73a2072a873d0c8d5d46bbd5657b34a0d544b0f737018bafd565323175834aa7fd4a1b743cfac77329571bf15d5565815989a38fea1742f2140e77357198c03dca", 0x43}, {&(0x7f0000000380)="1bfbe29f925fa6a7364b7b3326ce72a2c4d834c6088c7d605faca1eac25a64a5cd434efb94f5477eeeded49ae6a20d948bff455f9ec5290b1e9738778d54d23420121254958c43b21e449233f47bd6b5bea13fb1571b71f1d93422e006b9022617c8e0ec2f7a6865940e719c746be1cd6ab89138057ba6b1d38d9d22a7d649ee34136266acacedaed2c4b1e9e1d0f71e4b14fe455962140843063953718a40f5396d014f449f29a72e675e4c0713bfbe89bc0ef13f33d1294b3cb13749d28e6e1add31336a731ebb9bb9c11e9a3cc354f3233dc1240d49", 0xd7, 0x4}, {&(0x7f0000000480)="ba7f8d", 0x3, 0x57266fda}], 0x140002, &(0x7f0000000580)={[{'/dev/nbd#\x00'}, {}, {'\'\\[(^\\:]'}, {'}@[$'}, {'/dev/nbd#\x00'}, {'&.'}, {'/dev/nbd#\x00'}], [{@smackfsroot={'smackfsroot', 0x3d, '/dev/nbd#\x00'}}, {@mask={'mask', 0x3d, 'MAY_READ'}}, {@uid_gt={'uid>', 0xee00}}, {@uid_gt}]}) openat(r2, &(0x7f0000000640)='./file0\x00', 0x100, 0x42) dup2(r1, r0) 12:40:18 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x60}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:18 executing program 5: ioctl$F2FS_IOC_FLUSH_DEVICE(0xffffffffffffffff, 0x4008f50a, &(0x7f0000000100)={0x8, 0x3f800}) r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r5 = eventfd(0x1) r6 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r4, 0x8}, {r5, 0x3089}, {r4, 0x4000}, {r6, 0x8000}, {r4, 0x2}, {r4}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r6, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000400)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="000429bd7000fedbdf2507004000080001805e000000080000005c61a5285d595426bc8ba4436a385da300673ca6295b08433781f737afe6507a4638bdf00805ecddb3e525ae70dcd1744d60ae2a1cb70db96a935adf990c50cd135a23f07fc7013207f4d00c1707846b784e2f362e79ef3d905e475da936266d4da0b2726199881a7ca688b03f285e74e94f16836f23016c4c2cc72c75c37aa7bf54cb6b2e82", @ANYRES32=0x0, @ANYBLOB="0c00990000000080770000000a00e800ffffffffffff00001400178004000300040002000400020004000200"], 0x50}}, 0x800) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) socketpair(0x28, 0x5, 0x7, &(0x7f00000000c0)) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 530.131646] block nbd1: Receive control failed (result -32) [ 530.134561] block nbd1: shutting down sockets [ 530.171675] block nbd1: Device being setup by another task 12:40:18 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x4, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 530.258468] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:18 executing program 3: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = socket(0x18, 0x0, 0x0) getsockname$netlink(r1, 0x0, &(0x7f0000000380)) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f00000000c0)={r0, &(0x7f0000000040)="729d7ead05da890aebea4ec081526d07fceea47ebb3e96", &(0x7f0000000080)=@tcp6=r1, 0x4}, 0x20) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = eventfd(0x1) r3 = eventfd(0xe) ioctl$KVM_IOEVENTFD(r0, 0x4040ae79, &(0x7f0000000140)={0x100000, &(0x7f0000000100), 0x8, r3, 0x3}) poll(&(0x7f00000001c0)=[{r2}, {}], 0x2, 0x1) 12:40:18 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x68}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:18 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = eventfd(0x1) r3 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r1, 0x8}, {r2, 0x3089}, {r1, 0x4000}, {r3, 0x8000}, {r1, 0x2}, {r1}], 0x6, 0x1) r4 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 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, 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$PERF_EVENT_IOC_QUERY_BPF(r4, 0xc008240a, &(0x7f0000000000)={0x500}) r5 = perf_event_open(&(0x7f00000000c0)={0x2, 0x80, 0xc5, 0x7, 0x1, 0xb1, 0x0, 0xfffffffffffffffd, 0x1020, 0xd, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0xe8a7, 0x4, @perf_config_ext={0xc6, 0x4000000000000000}, 0x0, 0x200, 0x0, 0x9, 0x1, 0x10000, 0x7, 0x0, 0xff, 0x0, 0x24a}, 0x0, 0x0, r4, 0x3) r6 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r6, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) sendmsg$NL80211_CMD_NEW_INTERFACE(r3, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='[\x00D\x00', @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf2507000000080001005e00000008000300", @ANYRES16=r6, @ANYBLOB="0c00990000000080770000000a00e800ffffffffffff00001400178004000300040002000400020004000200"], 0x50}}, 0x800) getsockname$netlink(0xffffffffffffffff, 0x0, &(0x7f0000000380)) ioctl$NBD_SET_SOCK(r3, 0xab00, 0xffffffffffffffff) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r7, r0) perf_event_open(&(0x7f0000000400)={0x3, 0x80, 0x81, 0x0, 0xff, 0x9, 0x0, 0x8, 0x10104, 0x3, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2, @perf_config_ext={0x401}, 0x1000, 0x8, 0x7fff, 0x8, 0x4, 0x0, 0x1, 0x0, 0xfffffffd, 0x0, 0x100}, 0x0, 0x0, r5, 0x9) [ 530.408287] block nbd5: shutting down sockets [ 530.413308] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:18 executing program 3: eventfd(0x1) 12:40:18 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x6c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 530.472527] block nbd5: Could not allocate knbd recv work queue. [ 530.478734] block nbd5: shutting down sockets [ 531.087095] block nbd1: Receive control failed (result -32) [ 531.094633] block nbd1: shutting down sockets 12:40:19 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x1274, 0x0) 12:40:19 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x5, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:19 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x2}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800000000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x4000) dup2(r1, r0) 12:40:19 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000}, 0x0, 0xe, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000003c0)=ANY=[@ANYBLOB="1f0000000a02010103000000002c00350a0000527efdc622cfbd74f1972d8b0f792ab3692c65ebad403f5da550a565e4611a8adcb9fc9c75163b8b2803efa2ad9549998d3ee357d66923de29d7d567b358f3fab94967f618eab64238faae22e97b497d7ad91094ad020e2260fb6d690edace343d170f3c6c71001a9f41134aba0db9"], 0x14}}, 0x0) r2 = socket(0x10, 0x80002, 0x0) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x10, 0x803, 0x0) r5 = socket(0x18, 0x0, 0x0) getsockname$netlink(r5, 0x0, &(0x7f0000000380)) ioctl$sock_inet_tcp_SIOCINQ(r5, 0x541b, &(0x7f0000000340)) sendmsg$BATADV_CMD_GET_MESH(r4, &(0x7f00000004c0)={0x0, 0x0, &(0x7f0000000480)={0x0}}, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) getsockname$packet(r4, &(0x7f0000000140)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x28a) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000500)={&(0x7f0000000240)=ANY=[@ANYBLOB="4800000010003904000000000000000500000000", @ANYRES32=r7, @ANYBLOB="03000000000000002800128008000100736974001c00028008000100", @ANYRES32=r6, @ANYBLOB="08000300ac1414aa0500050001000000"], 0x48}}, 0x0) r8 = openat(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r8, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000300)=ANY=[@ANYBLOB="3c0000001000010800"/20, @ANYRES32=r6, @ANYBLOB="00000000000000001c001a8018000a80140007"], 0x3c}}, 0x0) sendmmsg$alg(r2, &(0x7f00000000c0), 0x492492492492627, 0x0) preadv(r1, &(0x7f0000000100)=[{&(0x7f0000000000)=""/203, 0xcb}], 0x1, 0x36, 0x2) 12:40:19 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x74}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 531.131929] block nbd1: Could not allocate knbd recv work queue. [ 531.138190] block nbd1: shutting down sockets 12:40:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r1, r0) r2 = perf_event_open(&(0x7f000001d000)={0x5, 0x80, 0x0, 0x0, 0xfe, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff}, 0x0, 0x2, 0xffffffffffffffff, 0x0) r3 = eventfd(0x1) r4 = syz_open_dev$audion(&(0x7f0000000000), 0x0, 0x191803) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r5 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r6 = openat(r5, &(0x7f0000000140)='./file0\x00', 0x10000, 0x1) ioctl$KVM_IOEVENTFD(r5, 0x4040ae79, &(0x7f0000000180)={0x3000, &(0x7f0000000100), 0x1, r6}) poll(&(0x7f00000001c0)=[{r2, 0x8}, {r3, 0x3089}, {r2, 0x4000}, {r5, 0x8000}, {r2, 0x2}, {r2}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r5, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) 12:40:19 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x6, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:19 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x7a}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 531.341864] block nbd5: shutting down sockets 12:40:19 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r1, r0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) dup2(r2, r1) 12:40:19 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x7, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:19 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x7c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 531.443322] block nbd5: Receive control failed (result -32) [ 531.449672] block nbd5: shutting down sockets [ 531.555913] net_ratelimit: 4 callbacks suppressed [ 531.555927] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 532.046938] block nbd1: Receive control failed (result -32) 12:40:20 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x1276, 0x0) 12:40:20 executing program 3: perf_event_open(&(0x7f000001d000)={0x3, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x83, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) eventfd(0x1) r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000280)=ANY=[@ANYBLOB="1400000002020101af758ea51ad1468500000000579081db357e3f044e40d9f61a0bc27d83"], 0x14}}, 0x0) accept4$x25(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000040)=0x12, 0x180000) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) r3 = syz_open_dev$vcsn(&(0x7f0000000080), 0x80, 0x2082) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) socket$can_raw(0x1d, 0x3, 0x1) r5 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) r6 = accept4$x25(r3, &(0x7f00000000c0), &(0x7f0000000100)=0x12, 0x0) r7 = openat$ion(0xffffffffffffff9c, &(0x7f0000000140), 0x800, 0x0) r8 = bpf$BPF_LINK_CREATE(0x1c, &(0x7f00000001c0)={r3, r3, 0xa}, 0x10) r9 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000200), 0x200042, 0x0) poll(&(0x7f0000000240)=[{r6, 0x100}, {r7, 0x4000}, {r8, 0x344}, {r7, 0x211e}, {r9, 0x8004}], 0x8, 0x0) 12:40:20 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:20 executing program 2: r0 = perf_event_open(&(0x7f0000000040)={0x5, 0x80, 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, 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) r1 = syz_open_dev$media(&(0x7f00000001c0), 0x0, 0x0) ioctl$RTC_EPOCH_READ(r1, 0xc0287c02, &(0x7f0000000040)) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, &(0x7f00000000c0)={r0, 0x7, 0x167db862, 0x10000}) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r3, r2) syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x800) 12:40:20 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x4, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:20 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0xff}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 532.092012] block nbd1: shutting down sockets [ 532.146236] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:20 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:20 executing program 3: r0 = openat$cgroup(0xffffffffffffffff, &(0x7f00000000c0)='syz0\x00', 0x200002, 0x0) ioctl$FS_IOC_ENABLE_VERITY(r0, 0x40806685, &(0x7f0000000240)={0x1, 0x2, 0x1000, 0x8f, &(0x7f0000000100)="d7b2d2af1bebb9ee06d61cbeac75a795841e3a3b93445d52abf939cdc372f536dd2d455d36a0826eb2f60d37e67e55a31d78b5a67873d38c8fbdc28ac68388524cd330d3b7e9c114e9e277d35f302a94833d8ef3f324c6fa84827a774795c1be7e28802f87e90d3fa85df4e3304fe859801ea9be894cd91763ff3ba9b39483e4b1b49491a08287cb811b70240c44b3", 0x3, 0x0, &(0x7f0000000200)="30f6fa"}) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x8, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4007e2, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd, 0x0, 0x7ffe, 0x0, 0x44}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3) r1 = eventfd(0x1) r2 = accept$ax25(0xffffffffffffffff, &(0x7f0000000000)={{0x3, @netrom}, [@bcast, @default, @netrom, @default, @remote, @rose, @bcast, @null]}, &(0x7f00000002c0)=0x48) mmap(&(0x7f0000ffa000/0x3000)=nil, 0x3000, 0x0, 0x4008053, r2, 0xe3a66000) r3 = bpf$BPF_PROG_WITH_BTFID_LOAD(0x5, &(0x7f0000000600)=@bpf_tracing={0x1a, 0xd, &(0x7f0000000480)=@raw=[@alu={0x4, 0x1, 0x9, 0xb, 0x9, 0x80, 0x8}, @call={0x85, 0x0, 0x0, 0x63}, @map={0x18, 0x7, 0x1, 0x0, 0x1}, @initr0={0x18, 0x0, 0x0, 0x0, 0x9858, 0x0, 0x0, 0x0, 0x83}, @generic={0x3, 0x8, 0x4, 0x1, 0x7}, @map={0x18, 0xb, 0x1, 0x0, 0x1}, @alu={0x4, 0x0, 0x3, 0x3, 0x2, 0x4}, @map={0x18, 0x5, 0x1, 0x0, 0x1}, @call={0x85, 0x0, 0x0, 0x15}], &(0x7f0000000500)='syzkaller\x00', 0x0, 0x3f, &(0x7f0000000540)=""/63, 0x40f00, 0x4, '\x00', 0x0, 0x18, 0xffffffffffffffff, 0x8, &(0x7f0000000580)={0x2, 0x5}, 0x8, 0x10, &(0x7f00000005c0)={0x0, 0xd, 0x8000, 0x1}, 0x10, 0x2e034}, 0x78) r4 = socket$key(0xf, 0x3, 0x2) dup2(r3, r4) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) 12:40:20 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup2(r1, r0) r2 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000), 0x600, 0x0) ioctl$TCSETAW(r2, 0x5407, &(0x7f0000000080)={0xf83, 0x618, 0xfeff, 0x401, 0x13, "fa7405b1f88553c9"}) [ 532.270177] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 532.306354] block nbd5: shutting down sockets 12:40:20 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) socket(0xf, 0x2, 0x5e7) dup2(r1, r0) 12:40:20 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 532.395953] block nbd5: shutting down sockets [ 532.431501] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:21 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x1277, 0x0) 12:40:21 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x9, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/module/net2272', 0x2b0000, 0x8) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/asound/seq/clients\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:21 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r1}, {r0}], 0x2, 0xffffffff) 12:40:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) fremovexattr(r2, &(0x7f00000000c0)=@random={'osx.', '-\'\x00'}) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:21 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 533.029068] block nbd1: Receive control failed (result -32) [ 533.032483] block nbd1: shutting down sockets [ 533.051665] block nbd1: Device being setup by another task 12:40:21 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) ioctl$BTRFS_IOC_SNAP_DESTROY(r1, 0x5000940f, &(0x7f0000000200)={{r0}, "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"}) poll(&(0x7f00000001c0)=[{r0, 0xc414}, {}], 0x2, 0x1005) [ 533.135795] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:21 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0xb, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:21 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x4}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 533.264974] block nbd2: shutting down sockets [ 533.271511] block nbd5: shutting down sockets 12:40:21 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r3, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) sendmsg$IPCTNL_MSG_TIMEOUT_DELETE(r3, &(0x7f0000000340)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x7c, 0x2, 0x8, 0x5, 0x0, 0x0, {0x0, 0x0, 0x1000}, [@CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x5}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x17}, @CTA_TIMEOUT_NAME={0x9, 0x1, 'syz1\x00'}, @CTA_TIMEOUT_L4PROTO={0x5, 0x3, 0x88}, @CTA_TIMEOUT_DATA={0x1c, 0x4, 0x0, 0x1, @udp=[@CTA_TIMEOUT_UDP_REPLIED={0x8, 0x2, 0x1, 0x0, 0x7}, @CTA_TIMEOUT_UDP_UNREPLIED={0x8, 0x1, 0x1, 0x0, 0xffffff01}, @CTA_TIMEOUT_UDP_REPLIED={0x8, 0x2, 0x1, 0x0, 0x2}]}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x88a2}, @CTA_TIMEOUT_NAME={0x9, 0x1, 'syz0\x00'}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x88e7}, @CTA_TIMEOUT_DATA={0xc, 0x4, 0x0, 0x1, @tcp=[@CTA_TIMEOUT_TCP_CLOSE_WAIT={0x8, 0x5, 0x1, 0x0, 0x6}]}]}, 0x7c}, 0x1, 0x0, 0x0, 0x8c0}, 0x800) ioctl$F2FS_IOC_SET_PIN_FILE(r3, 0x4004f50d, &(0x7f00000000c0)=0x1) r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000100), 0x47ce01, 0x0) getsockopt$PNPIPE_HANDLE(r4, 0x113, 0x3, &(0x7f0000000140), &(0x7f00000001c0)=0x4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:21 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r1 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='mountinfo\x00') setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000000040)={0x0, 0x6}, 0x4) 12:40:21 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r2, 0x40082406, &(0x7f00000000c0)='#\x00') socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r5 = eventfd(0x1) r6 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r4, 0x8}, {r5, 0x3089}, {r4, 0x4000}, {r6, 0x8000}, {r4, 0x2}, {r4}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r6, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) perf_event_open$cgroup(&(0x7f0000000100)={0x1, 0x80, 0xff, 0x3, 0x98, 0xe0, 0x0, 0x6, 0x92645, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x800, 0x2, @perf_config_ext={0x0, 0x7fffffff}, 0x200, 0x4c, 0x73, 0x4, 0x8, 0xab44, 0x8, 0x0, 0xfff}, r6, 0xc, 0xffffffffffffffff, 0x2) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 533.340612] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 533.591933] block nbd2: shutting down sockets [ 533.597679] block nbd5: shutting down sockets [ 533.692423] block nbd5: Receive control failed (result -32) [ 533.698521] block nbd5: shutting down sockets [ 533.981313] block nbd1: Receive control failed (result -32) [ 533.983451] block nbd1: shutting down sockets 12:40:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x5}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:22 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:22 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200000007d, 0x6810, 0xe, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0, 0xd}, 0x29, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x1}, 0x0, 0x1, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = eventfd(0x1) r5 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r3, 0x8}, {r4, 0x3089}, {r3, 0x4000}, {r5, 0x8000}, {r3, 0x2}, {r3}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r5, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000100)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042bbd7000fe83dbdf2507000000070001005e0000000800a32af30c381303", @ANYRES32=0x0, @ANYBLOB="0c00990000000080770000000a00e800ffffffffffff00001400178004000300040002000400020004000200"], 0x50}}, 0x800) poll(&(0x7f00000001c0)=[{0xffffffffffffffff, 0x8}, {0xffffffffffffffff, 0x3089}, {0xffffffffffffffff, 0x4000}, {0xffffffffffffffff, 0x8000}, {0xffffffffffffffff, 0x2}, {}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) r6 = creat(&(0x7f0000000180)='./file0\x00', 0x122) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r6) openat$cgroup_ro(r5, &(0x7f00000000c0)='pids.current\x00', 0x0, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:22 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x1278, 0x0) 12:40:22 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0xfe, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:22 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x7, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 534.021742] block nbd1: Device being setup by another task 12:40:22 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x2, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 534.110770] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:22 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) perf_event_open(&(0x7f0000000000)={0x4, 0x80, 0x7d, 0x2, 0x3f, 0x2, 0x0, 0x81, 0x2120, 0xc, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0xcd9, 0x1, @perf_config_ext={0x7f, 0x1}, 0x4000, 0x7ff, 0x10001, 0x8, 0x8, 0x4, 0x2, 0x0, 0x1, 0x0, 0x6ae}, 0x0, 0x0, 0xffffffffffffffff, 0x3) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x4) 12:40:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x6}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:22 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$BTRFS_IOC_BALANCE_PROGRESS(0xffffffffffffffff, 0x84009422, &(0x7f0000001d80)={0x0, 0x0, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @usage, 0x0}}) socketpair(0x1, 0x20000000000001, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_FILTER(r6, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(r6, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') r7 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NLBL_CIPSOV4_C_REMOVE(r6, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f0000001400)=ANY=[@ANYRESHEX, @ANYRES16=r7, @ANYBLOB="bd7004ffdbdfa06b000009000002149ae10100000801000000dd01000100000000400000000000000000000000000000466c9f2f79f444c395775e21a8ea58066154acb6cf0c9b63db6c89a86edfabf3bb1ccbe0f65fad751111548433f2097b623f375988535f878685000000000000", @ANYBLOB="e4b3fcdfaf28d2f54df080980ecba931899b8640680e3571ef9f074dae8564120ea7471c8734c4922298574f4a6257e44b155e19c37e446191e681261f8378af0cef84dce214261ca313fcce6833276cb1e4ba13668bbfeb3b5024ed222970f99e7b7ea5a4df5dfe03e1ddabb042e3695f67e387c26fa634b4d9bfda45b262ff431c6d56785cf7fed495c7f6bc172da0e3349c47edadc95de0995d0500000049c46e0d364800bdfa1bac1bbd842f1dbd4cf73f2a5311fa106c0c61b59bfa82276f2a1aadff1ad04e31a1ad41059976b940f5452f93e868863e967bd1ffb3e1515b9853f730d800a841d1cb0c79e8435815ff0f"], 0x3}, 0x1, 0x0, 0x0, 0x4}, 0x40025) sendmsg$NLBL_CIPSOV4_C_LIST(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f0000001980)=ANY=[@ANYBLOB="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", @ANYRES16=r7, @ANYRESDEC=r5], 0x1d4}, 0x1, 0x0, 0x0, 0x4008000}, 0x2400c014) ioctl$BTRFS_IOC_RESIZE(0xffffffffffffffff, 0x50009403, &(0x7f0000000040)={{}, {@val={r5}, @max}}) ioctl$BTRFS_IOC_DEV_REPLACE(r4, 0xca289435, &(0x7f0000001980)={0x1, 0x401, @start={r5, 0x0, "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", "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"}, [0x2f21ab58, 0x8000, 0x617, 0x8, 0x8, 0x0, 0xcf70, 0x0, 0x9, 0x5, 0x1000, 0xdb, 0x403345e0, 0x5, 0xfffffffffffffff9, 0x1000000, 0xffff, 0x7, 0x47c1, 0x80, 0x7, 0x5, 0x2, 0xe3, 0xfffffffffffffffe, 0x9, 0x7, 0xff32, 0x8505, 0xb48, 0x0, 0x5, 0x4, 0x6, 0xfffffffffffffffd, 0x40, 0xffffffffffffffe0, 0x7fff, 0x8001, 0x9, 0xa73, 0x40, 0x9, 0xfffffffffffffc01, 0x100000001, 0x7381, 0xffffffffffffffff, 0x3, 0x0, 0x2, 0xc753, 0x7ff, 0x5, 0x4, 0x800, 0x20, 0xa221, 0xab9, 0x3, 0x6e, 0x9, 0x0, 0x400, 0x1]}) sendmsg$IPCTNL_MSG_EXP_DELETE(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) ioctl$BTRFS_IOC_TREE_SEARCH(r4, 0xd0009411, &(0x7f0000000980)={{0x0, 0x9, 0x6, 0x6, 0x0, 0x0, 0x5, 0x8, 0x7, 0x4, 0x1, 0x0, 0x6, 0x5, 0x20}}) [ 534.282628] block nbd5: shutting down sockets 12:40:22 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x3, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:22 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x208860, 0x0) [ 534.343619] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:22 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x4, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:22 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x7}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 534.433467] block nbd5: Receive control failed (result -32) [ 534.440493] block nbd5: shutting down sockets [ 534.466444] block nbd2: shutting down sockets [ 534.515027] device lo entered promiscuous mode [ 534.578465] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 534.939399] block nbd1: Receive control failed (result -32) [ 534.945793] block nbd1: shutting down sockets 12:40:23 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x1279, 0x0) 12:40:23 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x200000) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:23 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x0) r1 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_QUERY_BPF(r1, 0xc008240a, &(0x7f0000000000)={0x500}) r2 = getpgid(0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r2, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000200)={0x1, 0x80, 0x5, 0x2, 0x8, 0x0, 0x0, 0x0, 0x0, 0x8, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x2, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1, @perf_bp={&(0x7f0000000180), 0x8}, 0xe72a677a8968fd87, 0x40, 0x1, 0x5, 0x200, 0x40, 0x400, 0x0, 0x2, 0x0, 0x6}, r2, 0x5, r1, 0x0) perf_event_open(&(0x7f0000000080)={0x3, 0x80, 0x9, 0x5, 0x6, 0x8, 0x0, 0x3, 0x89400, 0xe, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x4, 0x2, @perf_bp={&(0x7f0000000040), 0x1}, 0x48088, 0x1, 0x1, 0x6, 0x1, 0x8, 0x2d, 0x0, 0x100, 0x0, 0x5}, 0xffffffffffffffff, 0x8, r1, 0x0) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) ioctl$SNDCTL_SEQ_GETOUTCOUNT(0xffffffffffffffff, 0x80045104, &(0x7f0000000000)) 12:40:23 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x5, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:23 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x8}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 534.992421] block nbd1: Could not allocate knbd recv work queue. [ 534.998639] block nbd1: shutting down sockets [ 535.083868] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 535.172342] block nbd5: shutting down sockets 12:40:23 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x6, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:23 executing program 3: connect$pptp(0xffffffffffffffff, &(0x7f0000000000)={0x18, 0x2, {0x1, @multicast2}}, 0x1e) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open$cgroup(&(0x7f0000000080)={0x3, 0x80, 0x2, 0x2, 0x7, 0x2, 0x0, 0x1, 0x4000, 0x3, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x93f1, 0x2, @perf_bp={&(0x7f0000000040), 0x1}, 0x41810, 0x365, 0x8, 0x0, 0x5, 0x8, 0x3, 0x0, 0x90ce, 0x0, 0x53dd}, 0xffffffffffffffff, 0x1, r0, 0x3) r1 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) [ 535.232361] block nbd5: shutting down sockets [ 535.462506] Y­4`Ò˜: renamed from lo 12:40:23 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$BTRFS_IOC_BALANCE_PROGRESS(0xffffffffffffffff, 0x84009422, &(0x7f0000001d80)={0x0, 0x0, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @usage, 0x0}}) socketpair(0x1, 0x20000000000001, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_FILTER(r6, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(r6, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') r7 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NLBL_CIPSOV4_C_REMOVE(r6, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f0000001400)=ANY=[@ANYRESHEX, @ANYRES16=r7, @ANYBLOB="bd7004ffdbdfa06b000009000002149ae10100000801000000dd01000100000000400000000000000000000000000000466c9f2f79f444c395775e21a8ea58066154acb6cf0c9b63db6c89a86edfabf3bb1ccbe0f65fad751111548433f2097b623f375988535f878685000000000000", @ANYBLOB="e4b3fcdfaf28d2f54df080980ecba931899b8640680e3571ef9f074dae8564120ea7471c8734c4922298574f4a6257e44b155e19c37e446191e681261f8378af0cef84dce214261ca313fcce6833276cb1e4ba13668bbfeb3b5024ed222970f99e7b7ea5a4df5dfe03e1ddabb042e3695f67e387c26fa634b4d9bfda45b262ff431c6d56785cf7fed495c7f6bc172da0e3349c47edadc95de0995d0500000049c46e0d364800bdfa1bac1bbd842f1dbd4cf73f2a5311fa106c0c61b59bfa82276f2a1aadff1ad04e31a1ad41059976b940f5452f93e868863e967bd1ffb3e1515b9853f730d800a841d1cb0c79e8435815ff0f"], 0x3}, 0x1, 0x0, 0x0, 0x4}, 0x40025) sendmsg$NLBL_CIPSOV4_C_LIST(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f0000001980)=ANY=[@ANYBLOB="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", @ANYRES16=r7, @ANYRESDEC=r5], 0x1d4}, 0x1, 0x0, 0x0, 0x4008000}, 0x2400c014) ioctl$BTRFS_IOC_RESIZE(0xffffffffffffffff, 0x50009403, &(0x7f0000000040)={{}, {@val={r5}, @max}}) ioctl$BTRFS_IOC_DEV_REPLACE(r4, 0xca289435, &(0x7f0000001980)={0x1, 0x401, @start={r5, 0x0, "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", "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"}, [0x2f21ab58, 0x8000, 0x617, 0x8, 0x8, 0x0, 0xcf70, 0x0, 0x9, 0x5, 0x1000, 0xdb, 0x403345e0, 0x5, 0xfffffffffffffff9, 0x1000000, 0xffff, 0x7, 0x47c1, 0x80, 0x7, 0x5, 0x2, 0xe3, 0xfffffffffffffffe, 0x9, 0x7, 0xff32, 0x8505, 0xb48, 0x0, 0x5, 0x4, 0x6, 0xfffffffffffffffd, 0x40, 0xffffffffffffffe0, 0x7fff, 0x8001, 0x9, 0xa73, 0x40, 0x9, 0xfffffffffffffc01, 0x100000001, 0x7381, 0xffffffffffffffff, 0x3, 0x0, 0x2, 0xc753, 0x7ff, 0x5, 0x4, 0x800, 0x20, 0xa221, 0xab9, 0x3, 0x6e, 0x9, 0x0, 0x400, 0x1]}) sendmsg$IPCTNL_MSG_EXP_DELETE(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) ioctl$BTRFS_IOC_TREE_SEARCH(r4, 0xd0009411, &(0x7f0000000980)={{0x0, 0x9, 0x6, 0x6, 0x0, 0x0, 0x5, 0x8, 0x7, 0x4, 0x1, 0x0, 0x6, 0x5, 0x20}}) 12:40:23 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x9}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:23 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x7, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:23 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$nfc_llcp(0x27, 0x3, 0x1) ioctl$LOOP_CHANGE_FD(0xffffffffffffffff, 0x4c06, r0) r1 = eventfd(0x1) r2 = getpgid(0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x3}, r2, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x20, 0x1, 0x5, 0x4, 0x0, 0x7f, 0xd010, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0xa4, 0x1, @perf_config_ext={0x5, 0x5}, 0x0, 0x10000, 0x7e, 0x3, 0x3, 0xffff, 0x5, 0x0, 0x1, 0x0, 0x1f}, r2, 0xd, 0xffffffffffffffff, 0x2) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) 12:40:23 executing program 5: ioctl$BTRFS_IOC_SUBVOL_CREATE_V2(0xffffffffffffffff, 0x50009418, &(0x7f0000000100)={{}, 0x0, 0xc, @inherit={0x60, &(0x7f0000002180)=ANY=[@ANYBLOB="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"]}, @name="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"}) ioctl$BTRFS_IOC_BALANCE_PROGRESS(0xffffffffffffffff, 0x84009422, &(0x7f0000001600)={0x0, 0x0, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}}) socketpair(0x1, 0x20000000000001, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') r1 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f0000001400)=ANY=[@ANYRESHEX, @ANYRES16=r1, @ANYBLOB="bd7004ffdbdfa06b000009000002149ae10100000801000000dd01000100000000400000000000000000000000000000466c9f2f79f444c395775e21a8ea58066154acb6cf0c9b63db6c89a86edfabf3bb1ccbe0f65fad751111548433f2097b623f375988535f878685000000000000", @ANYBLOB="e4b3fcdfaf28d2f54df080980ecba931899b8640680e3571ef9f074dae8564120ea7471c8734c4922298574f4a6257e44b155e19c37e446191e681261f8378af0cef84dce214261ca313fcce6833276cb1e4ba13668bbfeb3b5024ed222970f99e7b7ea5a4df5dfe03e1ddabb042e3695f67e387c26fa634b4d9bfda45b262ff431c6d56785cf7fed495c7f6bc172da0e3349c47edadc95de0995d0500000049c46e0d364800bdfa1bac1bbd842f1dbd4cf73f2a5311fa106c0c61b59bfa82276f2a1aadff1ad04e31a1ad41059976b940f5452f93e868863e967bd1ffb3e1515b9853f730d800a841d1cb0c79e8435815ff0f"], 0x3}, 0x1, 0x0, 0x0, 0x4}, 0x40025) ioctl$BTRFS_IOC_SNAP_CREATE_V2(0xffffffffffffffff, 0x50009417, &(0x7f00000024c0)={{}, 0x0, 0x12, @inherit={0x48, &(0x7f0000001580)={0x1, 0x0, 0x1003, 0x1, {0x0, 0xd2, 0x4, 0x4, 0x2a8}}}, @name="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"}) ioctl$BTRFS_IOC_WAIT_SYNC(0xffffffffffffffff, 0x40089416, &(0x7f0000000180)) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = getpgid(0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000000c0)={0x4, 0x80, 0x4, 0xf, 0x1, 0xa5, 0x0, 0x2, 0x400, 0x9, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x2, @perf_config_ext={0xd, 0x9}, 0x544, 0x8000, 0x1, 0x9, 0x2, 0xcdd8e16, 0x8, 0x0, 0x101, 0x0, 0x40}, r6, 0xa, 0xffffffffffffffff, 0xb) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) [ 535.688104] block nbd2: shutting down sockets [ 535.775969] block nbd5: shutting down sockets [ 535.872911] block nbd5: Could not allocate knbd recv work queue. [ 535.879223] block nbd5: shutting down sockets 12:40:24 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x127a, 0x0) 12:40:24 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x9, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:24 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x11}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:24 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20}, 0x0, 0xfbffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f00000000c0)={0x0}, &(0x7f0000000100)=0xc) perf_event_open(&(0x7f0000000040)={0x6, 0x80, 0x80, 0x46, 0xf4, 0x20, 0x0, 0x8, 0x0, 0x8, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x3, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000000), 0xa}, 0x2, 0x2, 0x8, 0x7, 0x2, 0x3, 0x0, 0x0, 0xfffffff7, 0x0, 0x40000}, r2, 0xc, r0, 0x8) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000140), &(0x7f0000000180)=0xc) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) 12:40:24 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) ioctl$BTRFS_IOC_BALANCE_PROGRESS(0xffffffffffffffff, 0x84009422, &(0x7f0000001d80)={0x0, 0x0, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @usage, 0x0}}) socketpair(0x1, 0x20000000000001, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_FILTER(r6, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(r6, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') r7 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NLBL_CIPSOV4_C_REMOVE(r6, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f0000001400)=ANY=[@ANYRESHEX, @ANYRES16=r7, @ANYBLOB="bd7004ffdbdfa06b000009000002149ae10100000801000000dd01000100000000400000000000000000000000000000466c9f2f79f444c395775e21a8ea58066154acb6cf0c9b63db6c89a86edfabf3bb1ccbe0f65fad751111548433f2097b623f375988535f878685000000000000", @ANYBLOB="e4b3fcdfaf28d2f54df080980ecba931899b8640680e3571ef9f074dae8564120ea7471c8734c4922298574f4a6257e44b155e19c37e446191e681261f8378af0cef84dce214261ca313fcce6833276cb1e4ba13668bbfeb3b5024ed222970f99e7b7ea5a4df5dfe03e1ddabb042e3695f67e387c26fa634b4d9bfda45b262ff431c6d56785cf7fed495c7f6bc172da0e3349c47edadc95de0995d0500000049c46e0d364800bdfa1bac1bbd842f1dbd4cf73f2a5311fa106c0c61b59bfa82276f2a1aadff1ad04e31a1ad41059976b940f5452f93e868863e967bd1ffb3e1515b9853f730d800a841d1cb0c79e8435815ff0f"], 0x3}, 0x1, 0x0, 0x0, 0x4}, 0x40025) sendmsg$NLBL_CIPSOV4_C_LIST(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f00000002c0)={&(0x7f0000001980)=ANY=[@ANYBLOB="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", @ANYRES16=r7, @ANYRESDEC=r5], 0x1d4}, 0x1, 0x0, 0x0, 0x4008000}, 0x2400c014) ioctl$BTRFS_IOC_RESIZE(0xffffffffffffffff, 0x50009403, &(0x7f0000000040)={{}, {@val={r5}, @max}}) ioctl$BTRFS_IOC_DEV_REPLACE(r4, 0xca289435, &(0x7f0000001980)={0x1, 0x401, @start={r5, 0x0, "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", "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"}, [0x2f21ab58, 0x8000, 0x617, 0x8, 0x8, 0x0, 0xcf70, 0x0, 0x9, 0x5, 0x1000, 0xdb, 0x403345e0, 0x5, 0xfffffffffffffff9, 0x1000000, 0xffff, 0x7, 0x47c1, 0x80, 0x7, 0x5, 0x2, 0xe3, 0xfffffffffffffffe, 0x9, 0x7, 0xff32, 0x8505, 0xb48, 0x0, 0x5, 0x4, 0x6, 0xfffffffffffffffd, 0x40, 0xffffffffffffffe0, 0x7fff, 0x8001, 0x9, 0xa73, 0x40, 0x9, 0xfffffffffffffc01, 0x100000001, 0x7381, 0xffffffffffffffff, 0x3, 0x0, 0x2, 0xc753, 0x7ff, 0x5, 0x4, 0x800, 0x20, 0xa221, 0xab9, 0x3, 0x6e, 0x9, 0x0, 0x400, 0x1]}) sendmsg$IPCTNL_MSG_EXP_DELETE(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) ioctl$BTRFS_IOC_TREE_SEARCH(r4, 0xd0009411, &(0x7f0000000980)={{0x0, 0x9, 0x6, 0x6, 0x0, 0x0, 0x5, 0x8, 0x7, 0x4, 0x1, 0x0, 0x6, 0x5, 0x20}}) 12:40:24 executing program 5: r0 = socket(0x18, 0x0, 0x0) getsockname$netlink(r0, 0x0, &(0x7f0000000380)) getsockopt$inet_sctp6_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0xf, &(0x7f00000000c0)={0x0, @in6={{0xa, 0x4e23, 0xb, @private0={0xfc, 0x0, '\x00', 0x2}, 0xfffffff8}}, 0xb6f, 0x1f, 0x7, 0x400, 0x5c1b}, &(0x7f0000000180)=0x98) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x400, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 535.983835] block nbd1: Receive control failed (result -32) [ 535.987125] block nbd1: shutting down sockets [ 536.021744] block nbd1: Device being setup by another task 12:40:24 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x48}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:24 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0xa, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:24 executing program 3: r0 = msgget(0x0, 0x40) msgctl$IPC_STAT(r0, 0x2, &(0x7f0000000200)=""/142) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000080)='freezer.parent_freezing\x00', 0x0, 0x0) perf_event_open(&(0x7f0000000000)={0x3, 0x80, 0x7, 0x80, 0x0, 0x81, 0x0, 0xd75, 0x0, 0x7, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x2c0e, 0x0, @perf_config_ext={0x2, 0xffffffffffffff00}, 0x4280, 0x7f, 0xfffffff7, 0x5, 0x0, 0x4, 0x1f, 0x0, 0x800, 0x0, 0x5}, 0x0, 0x7, r1, 0x3) r2 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r2}, {}], 0x2, 0x1) r3 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 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, 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$PERF_EVENT_IOC_QUERY_BPF(r3, 0xc008240a, &(0x7f0000000000)={0x500}) perf_event_open(&(0x7f00000000c0)={0x0, 0x80, 0x64, 0x1f, 0xbf, 0x7, 0x0, 0x6, 0x40, 0x7, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x9, 0x4, @perf_config_ext={0x1, 0x3}, 0x14000, 0x8, 0x9, 0x5, 0x7ff, 0x0, 0x1, 0x0, 0x8ac, 0x0, 0x3f}, 0x0, 0x8, r3, 0x1) 12:40:24 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x11, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:24 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x4c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 536.254409] block nbd5: shutting down sockets [ 536.266583] block nbd2: shutting down sockets 12:40:24 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x7c, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 536.339153] block nbd5: shutting down sockets [ 536.951359] block nbd1: Receive control failed (result -32) [ 536.957490] block nbd1: shutting down sockets 12:40:25 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x127b, 0x0) 12:40:25 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000080)={0x1, 0x80, 0xab, 0x0, 0x1f, 0x5, 0x0, 0x0, 0x400, 0x5, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x3, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0xffffff80, 0x1, @perf_config_ext={0x1, 0x6f}, 0x820, 0x0, 0x9, 0x3, 0x40, 0x7fffffff, 0xe13, 0x0, 0x1f, 0x0, 0x8}, 0xffffffffffffffff, 0xd, 0xffffffffffffffff, 0x0) r1 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 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, 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$PERF_EVENT_IOC_QUERY_BPF(r1, 0xc008240a, &(0x7f0000000000)={0x500}) perf_event_open(&(0x7f0000000100)={0x6, 0x80, 0x6, 0x2, 0x80, 0x1, 0x0, 0x80000001, 0x2, 0x8, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x3, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0xffffff01, 0x4, @perf_config_ext={0x9a, 0x6}, 0xa2, 0x0, 0x7, 0x9, 0xffffffff80000001, 0x8, 0x9, 0x0, 0x9, 0x0, 0x7}, 0x0, 0x0, r1, 0x0) r2 = eventfd(0x1) ioctl$PERF_EVENT_IOC_MODIFY_ATTRIBUTES(r0, 0x4008240b, &(0x7f0000000000)={0x4, 0x80, 0x2, 0x3, 0x80, 0x1f, 0x0, 0x101, 0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x2, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x9, 0x1, @perf_config_ext={0x0, 0x4}, 0x1, 0x2a2, 0x8, 0x0, 0x101, 0x9, 0x1f, 0x0, 0x3, 0x0, 0x40}) poll(&(0x7f00000001c0)=[{r2}, {}], 0x2, 0x1) 12:40:25 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x244000) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:25 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x60}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:25 executing program 2: ioctl$BTRFS_IOC_SUBVOL_CREATE_V2(0xffffffffffffffff, 0x50009418, &(0x7f0000000100)={{}, 0x0, 0xc, @inherit={0x60, &(0x7f0000002180)=ANY=[@ANYBLOB="496b09db73ba867103000000000000003a83c8350000000003000000000000002000000000000008000000000000007f0000000000000001000000031600000300000e000000000000000000000005000000000000000700000000000000895b0ad5d5a01c1f1dfad7c29104ab81f5ac61847ba18f7e6144b21482e4a5867ca15687f55678fa26f3b49a5efe4b809261ef8864d046f5c335c0b3f3b2d9f236074e03857e7d984ef66c6ba88826394d701dd12eae532c3b335aa0fab0aaa41396820201167996c66309b6cacbc63ae59cd3e6907047591190a6d94c94ec334d46b2370500d28139ded14ce2c9d2802ac88940232060e78416f0bb859efd6e08258c967c4f5e25cf59cadbea5a5468d2ee544ce66d55d78b66e114fc09b87b3ae4909dd914cbabed327187de4a1b3de3904d87ac5d325b7f882e13598b60000000007e86f685067fac7c3905c11911f83c930de2ff0100000000000072e75f38a3cf858eae4640bb"]}, @name="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"}) ioctl$BTRFS_IOC_BALANCE_PROGRESS(0xffffffffffffffff, 0x84009422, &(0x7f0000001600)={0x0, 0x0, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}}) socketpair(0x1, 0x20000000000001, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x8914, &(0x7f0000000040)='lo\x00\x96o\xd6Q\xb9Y\xa9\xc8J,\x00\xd2\x97\x04\x03\xdc\r') ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x8923, &(0x7f0000000680)='lo\x00\x96o8\x0fd\xa1\xe3\xd7]b}\x1f\xa1Y\xad4\x90\x9d`\xd2\x98\x00\x00\x00 \'Y\x17]\x15c\xcaR\xdd\x98OC\x89\x1b\xe7\x84\xe2\x05\x80w\xd2|D\x8dK\x14Bx\xcbuH\xc2\xeec\xbf<>Y\x1a\xfc\x1f9OB\x81\x89\x186\xc5q@n\xb4\xb6s\xb0\x00\x00\x00\x00\x00\b\x00\x00\xda\xef\xecE\xec\xd5I\xb2\x9b\xfe\x8d\x90?\x00\xe9\xe4~g:\xc1\xb2aj\x96\xbb\xa7\xe2\xc0\xdc\xf9Q\b\xeb\x16\x7fT\x11\xd3\r7\xe6\"f\xcf\x8e\xabd\x0ftp\x82\xae\xd2\x15\x8e+c\xf6\xbf\xe14>\xa6-\xa5c\xde\xd7\xab\xea\x1f\xf8s2\x9cVF\xd5\x18\xfe\x0e\x8f \x01\x00\x00y.\xfc*\x82\xa5\xa1p5\xc8{\xf7\xef\xab\xe8\x99\xebw#\x8at\x1c\x80\xfc\xb0\x95\xa2\xa7\xd7,Y]E8\x83X\xf5F\xdc\x88-\xf5\xb0\xb5^\xdb\x1a\xb6\xaa\x14\xe2\xb9\rh^J-\xd1\xbaUn\x04\'l\x1b\xe0o\xdb\xc8\x91%\x1c\xb5\xbf\xb6\x90\xb4\xc2\x7f]/\xb3\xe7\xc9\'\x94\xcfIo\xdf\x04\x95\xb5\x06\x84\x1fH>\xda\xc5\x04 \x94\x88\xeb\'\xd4;6\x7f\xd9\x99-\x1b|G\x8d\xd4\xb9%\xaaQ\xa0K\x10\x03\x93\xe1\xcc\xe7m\x80\'\xf0\xa5\xed(\r\xa8\x0f&\xb1\xf3\xff0\f\x82%_\x92\x8bD\xb9\xd9\xe7\xf2\xe4\xc1i#\xdc\x87A\xb9\xc7\r\x92\xfa\x11\x11\xb5\x1f\x03\x9d\xdd\x1bj\xdf\xacg\xe3\xa0S\xd3\x8a\xe1n\x97\xea\xf5\xa0\'\v\xe9\xa0\xf1 f\xaan\xcf\xb5i\xb6d\xbc\x92\v\xd58\x16\b\xb3_:\xa4!\ny\xc4&\nWMM\xa8\xc4\v\x9f\x01o\xf4\xab&\xb6\x17\x02P\xc3!N\xa1\x86\"\xd7\x04\xf1\xc0!\xed\xff\xee$\xc89\x8cB0\xd1dD\xe0IP\x88\xa2\xf2Y\x9af$$\xf1\x81\x96\xf7P\xac\xca\x80:!\xb4\x94#\xcb^\x9f\'\x03\xe3\x93\xb9\x82\xbf\xcf\xc4\xe3\xf7\x03Oh\xf2r\xca\x8ff\xbb/\x9f*\xaf\x1a \xa5\xa0?%M\xa5\x86\x98\xfa4\'1\xc7\f<\xcc@\xe8\x8a\xac.\xde\xe4\xc7\xf5\x9ck\xa40!\xe9\x14$\xb3\x05m\xb5m\xed\ft\x93\xd8\xa3\x80\'Y\xb9\x05\xbbt|\xbe\xbcz\n\xf3\xf5p\xf8\x9f~\x1b\xd0\v\x1cQ') r1 = syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NLBL_CIPSOV4_C_REMOVE(r0, &(0x7f0000000240)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000200)={&(0x7f0000001400)=ANY=[@ANYRESHEX, @ANYRES16=r1, @ANYBLOB="bd7004ffdbdfa06b000009000002149ae10100000801000000dd01000100000000400000000000000000000000000000466c9f2f79f444c395775e21a8ea58066154acb6cf0c9b63db6c89a86edfabf3bb1ccbe0f65fad751111548433f2097b623f375988535f878685000000000000", @ANYBLOB="e4b3fcdfaf28d2f54df080980ecba931899b8640680e3571ef9f074dae8564120ea7471c8734c4922298574f4a6257e44b155e19c37e446191e681261f8378af0cef84dce214261ca313fcce6833276cb1e4ba13668bbfeb3b5024ed222970f99e7b7ea5a4df5dfe03e1ddabb042e3695f67e387c26fa634b4d9bfda45b262ff431c6d56785cf7fed495c7f6bc172da0e3349c47edadc95de0995d0500000049c46e0d364800bdfa1bac1bbd842f1dbd4cf73f2a5311fa106c0c61b59bfa82276f2a1aadff1ad04e31a1ad41059976b940f5452f93e868863e967bd1ffb3e1515b9853f730d800a841d1cb0c79e8435815ff0f"], 0x3}, 0x1, 0x0, 0x0, 0x4}, 0x40025) ioctl$BTRFS_IOC_SNAP_CREATE_V2(0xffffffffffffffff, 0x50009417, &(0x7f00000024c0)={{}, 0x0, 0x12, @inherit={0x48, &(0x7f0000001580)={0x1, 0x0, 0x1003, 0x1, {0x0, 0xd2, 0x4, 0x4, 0x2a8}}}, @name="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"}) ioctl$BTRFS_IOC_WAIT_SYNC(0xffffffffffffffff, 0x40089416, &(0x7f0000000180)) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) r6 = getpgid(0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f00000000c0)={0x4, 0x80, 0x4, 0xf, 0x1, 0xa5, 0x0, 0x2, 0x400, 0x9, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x2, @perf_config_ext={0xd, 0x9}, 0x544, 0x8000, 0x1, 0x9, 0x2, 0xcdd8e16, 0x8, 0x0, 0x101, 0x0, 0x40}, r6, 0xa, 0xffffffffffffffff, 0xb) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 12:40:25 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x300, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 537.002052] block nbd1: Could not allocate knbd recv work queue. [ 537.008262] block nbd1: shutting down sockets 12:40:25 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x500, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 537.094083] net_ratelimit: 4 callbacks suppressed [ 537.094098] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:25 executing program 3: accept4$netrom(0xffffffffffffffff, &(0x7f0000000080)={{0x3, @rose}, [@rose, @netrom, @rose, @remote, @remote, @bcast, @rose, @netrom]}, &(0x7f0000000100)=0x48, 0x800) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = getpgid(0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r1, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) writev(r2, &(0x7f00000003c0)=[{&(0x7f0000000140)="befda5c299ffe11a2e80ec419cb4a357241d6533503725c872c9d156519b13a629282d3a5deafa943568163745cf10c7057b3faa9e21ec31ab9ea249f8f1cc945f7e59c00418d01e285f3a3b201332f23b18da4ece50c57794a6e8fc078ec1400944ad2806f4ee1228ebf7a8df2ea1b3028d72562dead598d9c8", 0x7a}, {&(0x7f0000000200)="81d2a12f184b756a001591829965e3ca86fce1761558", 0x16}, {&(0x7f0000000240)="3407d23547c7bc16119fa598d9d6822cc2d0dea69bc9f3b7ca36cff8ef891625e28fcb50647c90b2ff3401a74039e7e7ac0ca2d94ffd141fc7481b29216b10396a2fb598b205c8cf4d6b4f73e15059984ffd3c59e4cff9acbaca0f57ef3d5c77fe1b2a51a3c0ca96bbe4e5d861976ca8c535789a59f43a3092294be7821992990865bbe3f57115f3657043d13ec95d0645fbeea1700e5c3bdedcd39f2123ebc559833ba1830161d68aedbb1826d8a3de8925b6244b3be5f89bad4a93ee06e871e3f4654a39aba9b5f93e03b1ebe71f52c0ee8ced6f0c77264e5f5407c8ad099d2b7b322cd7", 0xe5}, {&(0x7f0000000340)="4a1d2f18375c24673695fbaea71bdafb366b82b87faecd85ba2e193180304d3a919d0adea49acdc1ee56c35ccafd3edd449f9fa77721d02272b5ead17c52442a9b2b3c3969429f60aabd9c9e0b5f4e31bae11362816c75b6d393edd5e889adcb79873412003a5cd6b781", 0x6a}], 0x4) perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x0, 0x0, 0x3f, 0x1, 0x0, 0x4, 0x10008, 0xc, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x3, 0x1, @perf_config_ext={0x1, 0xffffffffffff0000}, 0x2815, 0x8000, 0x8, 0x7, 0xfffffffffffffff8, 0xf, 0x40, 0x0, 0x8000, 0x0, 0x3}, r1, 0xc, r0, 0x1) r3 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r3}, {}], 0x2, 0x1) 12:40:25 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x68}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 537.210626] block nbd5: shutting down sockets [ 537.289359] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 537.298164] block nbd2: shutting down sockets [ 537.316141] block nbd5: shutting down sockets 12:40:25 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x600, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:25 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x6c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:25 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r1 = syz_open_dev$vcsu(&(0x7f0000000000), 0x400, 0x2) write(r1, &(0x7f0000000040)="b939aa201bef2f5a3852e2ac9fb73030b865ffec9a03d180e84ba24635f12e8d69b2ac9e3141205247ba946a9978be1e61c4d474f03150c52f10c3dd6593681a56056aa50bf558809a2d7359abef568806c98c1275528bd5604c0c1d5c69e53b1f451b32b75d44c0a78bcc788881412698033260e348631c2a633250986fc3d67e1099e1349df89f0ca78f96eadc7983c79da3e28d536da143802cccb5e42c72ea933882fcab59d18cff1e4ee44dd07d15bf349ba0e17a5b80e5dd9eb8af90972c75f98486a84822e121d3e9fa5ed8ec6d8a48", 0xd3) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x2400, 0x5) [ 537.559460] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 537.922549] block nbd1: Receive control failed (result -32) [ 537.929425] block nbd1: shutting down sockets 12:40:26 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x127c, 0x0) 12:40:26 executing program 2: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) ioctl$BTRFS_IOC_QUOTA_RESCAN(0xffffffffffffffff, 0x4040942c, &(0x7f00000000c0)={0x0, 0x7f, [0x6, 0xfff, 0x3c, 0x2, 0x7ffd, 0x8]}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$vcsn(&(0x7f0000000400), 0x3, 0x100) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:26 executing program 5: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) accept(r0, &(0x7f0000000100)=@pppol2tpin6={0x18, 0x1, {0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, {0xa, 0x0, 0x0, @private1}}}, &(0x7f0000000180)=0x80) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl802154(&(0x7f0000000100), 0xffffffffffffffff) sendmsg$NLBL_CALIPSO_C_REMOVE(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000080)={0x1c, 0x0, 0x5, 0x0, 0x0, {}, [@NLBL_CALIPSO_A_DOI={0x8, 0x1, 0x3}]}, 0x1c}}, 0x0) syz_genetlink_get_family_id$nl802154(&(0x7f0000000340), 0xffffffffffffffff) sendmsg$NL802154_CMD_NEW_SEC_KEY(r2, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000280)={0x54, r3, 0x80d, 0x0, 0x0, {}, [@NL802154_ATTR_WPAN_DEV={0xc, 0x6, 0x100000001}, @NL802154_ATTR_SEC_KEY={0x34, 0x25, 0x0, 0x1, [@NL802154_KEY_ATTR_BYTES={0x14, 0x4, "877749bf8d9f992761d7145d5eb33661"}, @NL802154_KEY_ATTR_USAGE_FRAMES={0x5, 0x2, 0x1f}, @NL802154_KEY_ATTR_ID={0x14, 0x1, 0x0, 0x1, [@NL802154_KEY_ID_ATTR_MODE={0x8, 0x1, 0x1}, @NL802154_KEY_ID_ATTR_INDEX={0x5}]}]}]}, 0x54}}, 0x0) sendmsg$NL802154_CMD_DEL_SEC_KEY(0xffffffffffffffff, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x80000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x3c, r3, 0x2, 0x70bd27, 0x25dfdbfb, {}, [@NL802154_ATTR_SEC_KEY={0x28, 0x25, 0x0, 0x1, [@NL802154_KEY_ATTR_USAGE_CMDS={0x24, 0x3, "68a793da40412a8faed510e05d9d7a7868f6aba6c5af8775fe038e7b9cfcfdb6"}]}]}, 0x3c}, 0x1, 0x0, 0x0, 0x8000}, 0x20000000) r4 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r6 = openat$vcsa(0xffffffffffffff9c, &(0x7f00000000c0), 0x82, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r5) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) r7 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$BLKTRACESTART(r4, 0x1274, 0x0) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) 12:40:26 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x700, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:26 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x74}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:26 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) r1 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000040), 0x141000, 0x0) ioctl$KVM_IOEVENTFD(0xffffffffffffffff, 0x4040ae79, &(0x7f0000000080)={0xd000, &(0x7f0000000000), 0x3, r1, 0x2}) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) r3 = getpgid(0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r3, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$lock(r2, 0x5, &(0x7f00000000c0)={0x1, 0x3, 0x800, 0x0, r3}) [ 537.972536] block nbd1: Could not allocate knbd recv work queue. [ 537.978748] block nbd1: shutting down sockets 12:40:26 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x900, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:26 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x7a}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 538.086918] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:26 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0xb, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) [ 538.201733] block nbd2: shutting down sockets [ 538.206578] block nbd5: shutting down sockets [ 538.238549] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:26 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0xa00, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:26 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x900, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 538.272962] block nbd5: Could not allocate knbd recv work queue. [ 538.279653] block nbd5: shutting down sockets 12:40:26 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r5 = eventfd(0x1) r6 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r4, 0x8}, {r5, 0x3089}, {r4, 0x4000}, {r6, 0x8000}, {r4, 0x2}, {r4}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r6, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) r7 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x422801, 0x0) ioctl$NBD_SET_SOCK(r6, 0xab00, r7) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 538.539590] block nbd5: shutting down sockets [ 538.588289] block nbd5: shutting down sockets 12:40:27 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:27 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x7c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x127d, 0x0) 12:40:27 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x1100, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:27 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0xb, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r5 = eventfd(0x1) r6 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) r7 = getpgid(0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r7, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0xff, 0x81, 0x40, 0x9, 0x0, 0x80, 0x800, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x3, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, @perf_bp={&(0x7f00000000c0), 0xb}, 0x5, 0x3a, 0x10e6, 0x7, 0x4, 0x1, 0x1ff, 0x0, 0x9, 0x0, 0x37800}, r7, 0x7, r6, 0x2) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r4, 0x8}, {r5, 0x3089}, {r4, 0x4000}, {r6, 0x8000}, {r4, 0x2}, {r4}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r6, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000480)=ANY=[@ANYBLOB="d73596df9f76f7b361137ad20dc6fe0e92ef92083c2db14705699bc633165dae1cf737041e83c9dd5d0459d7c30e996dc6570e8aee4c71d8efe408c2dd31a6f07f3cecef085348369c94621bd385f7bf29c23355d2b03ec4869776878d14b4c349433a868265385529b1823c1c5b0d2e58a3cfe9d5e80dac01bbccc381ece98c48efd8c9b7d09bdc967eb3ffa6e8254f05563272194657e1d6967c3e02a52df6b9293b1353fa485cdb8e9b1364628eb53cea7895cd", @ANYRES16=0x0, @ANYBLOB="08043b9d7000fedbdf2507030000080001005e0000fb080003004b07000000e0000000e4c7e94a1d60f0767fd5f2901e295068208e13a4065f5ad13b8add12e8666a92bcc3495c4e4c904d1bfdc61e0db5203413487dfeccefb04148822d5f", @ANYRES32=0x0, @ANYBLOB="0c00990000000080770000000a00e800ffffffffffff00001400178004000300040002000400020004000200"], 0x50}}, 0x800) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r6) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 538.903198] block nbd1: Receive control failed (result -32) [ 538.942260] block nbd1: shutting down sockets [ 538.987260] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:27 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x2000, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:27 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xff}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:27 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0xff, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:27 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x101, 0x1, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:27 executing program 2: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) ioctl$BTRFS_IOC_DEV_INFO(r0, 0xd000941e, &(0x7f0000000200)={0x0, "218efe25daad4682ded22b0644448c31"}) ioctl$BTRFS_IOC_DEV_REPLACE(r1, 0xca289435, &(0x7f0000001200)={0x1, 0x3e04, @start={r2, 0x0, "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", "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"}, [0x3f, 0x9, 0x7, 0x6, 0x3a, 0x2, 0x9, 0x8000, 0x1, 0x1, 0x6, 0x9, 0x53b, 0x2, 0x1f, 0x6, 0x5, 0x97e9, 0x1, 0x400, 0x10001, 0x80, 0x7, 0x7ff, 0x63, 0x20, 0x3f, 0x1, 0x8, 0x1000, 0x4, 0x2, 0x1b2, 0x1002, 0x1, 0x8, 0x80, 0x1, 0x6, 0x9, 0x7ff, 0x100000000, 0x0, 0x3, 0x4d3, 0xa2, 0xc65, 0x0, 0x7fff, 0x0, 0x1f, 0x8000, 0x6, 0x1, 0xfffffffffffffea5, 0x4, 0x6, 0x8001, 0x9, 0x7, 0x1, 0x5, 0x8, 0x3]}) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) fsetxattr$security_capability(r0, &(0x7f0000000080), &(0x7f00000000c0)=@v2={0x2000000, [{0x5, 0x1f}, {0x80000000, 0x3f}]}, 0x14, 0x2) r3 = syz_open_dev$vcsn(&(0x7f0000006100), 0x7, 0x3) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r5 = eventfd(0x1) r6 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r4, 0x8}, {r5, 0x3089}, {r4, 0x4000}, {r6, 0x8000}, {r4, 0x2}, {r4}], 0x6, 0x1) r7 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000100), 0x200000, 0x0) ioctl$KVM_IRQFD(r3, 0x4020ae76, &(0x7f0000000140)={r5, 0x9, 0x8, r7}) getsockopt$PNPIPE_IFINDEX(r3, 0x113, 0x2, &(0x7f0000006140), &(0x7f0000006180)=0x4) ioctl$vim2m_VIDIOC_QUERYBUF(0xffffffffffffffff, 0xc0585609, &(0x7f0000000000)={0x7f, 0x1, 0x4, 0x800, 0x8, {0x77359400}, {0x5, 0x2, 0x27, 0x8c, 0x0, 0x4b, "6ba6efae"}, 0x1, 0x3, @offset, 0x9}) [ 539.135236] block nbd5: shutting down sockets [ 539.154578] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:27 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x3f00, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:27 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:27 executing program 2: getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0xd, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000280)={r0, 0x0, 0xfff7}, &(0x7f00000002c0)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000002c0)={r0, 0x3}, 0x0) getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0xd, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000280)={r1, 0x0, 0xfff7}, &(0x7f00000002c0)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(0xffffffffffffffff, 0x84, 0x11, &(0x7f00000002c0)={r1, 0x3}, 0x0) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER_VALUE(0xffffffffffffffff, 0x84, 0x7c, &(0x7f0000000e80)={0x0, 0xfff, 0x74e}, &(0x7f0000000ec0)=0x8) getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0xe, &(0x7f00000013c0)={0x0, 0x3, 0x7, 0x1f, 0xb9ec, 0x7, 0x6, 0x10001, {0x0, @in={{0x2, 0x4e21, @multicast2}}, 0x10001, 0x1f, 0x3, 0x5, 0x4}}, &(0x7f0000001480)=0xb0) sendmmsg$inet_sctp(0xffffffffffffffff, &(0x7f0000001500)=[{&(0x7f0000000000)=@in={0x2, 0x4e22, @loopback}, 0x10, &(0x7f0000000640)=[{&(0x7f0000001700)="1ee13f101e58684fd21d74d77f3ba5a9b82cd1036e6f73142e4c9a9a587b1a4a35e6e1cf15fc76c248e011e59d40b3e52cb848116da18a44dfbe1e1da02b277bcc8132ab6d49993565f7d4b67cb48ed9f8186381b5cb5e7be3fcf864767d0510efbac4db2aea3d1b4743380560bde1000000009f52afce4f03ab27c99e37ff8fe7da72806cc06c445e7af14f594001e0169cf3975d91a164ba12417f", 0x9c}, {&(0x7f0000000100)="6b226d2374beaaf01fc62812781cb3cc65e655fbc4a06a9b62496f9a9ac270af3b14655351bdb7c40b17a5e68af6764e6613b9b0b2fd95d118dbce76c32d7787ec9b8d61a66b41f7c3f2849aea1b7ba4e400c6e2f0641c799d2dea754033e3c2d71e764d935dafab81b8b6b3ea44f5749ebba29d9a45c36a050d7df761f26243a95b543426ae1edbf91b7658371e23901e210134a37fcd9b2cba0fd1ca5da99c278274189a93134f", 0xa8}, {&(0x7f0000000200)="1b01862b10894a39ff6cbe4fbae18c61c3a51eec2d6edfe8d1ce9dfe524fb65a7445a23e0b59a9fde1c638f662d1552016c5e964b7645fb43e9a259c6747e3a77abe8cd910c2cc036d034a73cbada955f62bcfb41dd7c2f2838c4fcd9d6aca7326209f90ec1a9ee3e78789ffbb4ca91d72dcfb040d3eb13b07beee62beedecef5ac04ff09afd4d12b81d3d38b4d153705e42b70b9205b9ffe4740bce1af3caa92d02c4c6282f9663f259dd912be9a33d8fdfd4e04863c289d6fa85937c8ebfb83d1cd53534e2eff1e575ad70606b14f8ccddd92746fcde3265d919d770c0cb4efa", 0xe1}, {&(0x7f0000000300)="275d280aaed54dde648b67f78701707d1df02a13", 0x14}, {&(0x7f0000000340)="fec055cddad6f31b0b7c985edf73", 0xe}, {&(0x7f0000000380)="eada5210fed57ee33d1011cff1ab08286847854a16042fe6784c501ff8ef26064d256d2a32f4", 0x26}, {&(0x7f00000003c0)="c3857b005036ab0a901ef0ba6f4103afed4b418353979b5eaf27f58d17fe40bf3c7b1415dba5d4b7ab6bc8739756f72fe958f4aaf0d8e80202619e2aa3d52e69e53302649c52e87b9f49a281e95a0115fdf9751732a82b7d063125f4ba7e3012253e0bb10bcc0b88b77d7a3afc7ab69a79df2c7f5035ac33d4050b288c9f6c324b9dbad8b003ceb1f111b5b5ac92a0452fb9be4e776521f6c6fe5a52ff8d857048484342a22c727c7811fa83c254278e59b68ee5626feaf04b8e421127e32500c2eb8ab11a1745a1571001e2a37c14611eb70c0474a8879cee40421a09d7dde39b0fac72d1a9ed", 0xe7}, {&(0x7f00000004c0)="05fb43cbf382f9b2ae6a366e732d76c47dab09667290d3a18446a70d0100699bc6615017126609c4b91e7f1dd1d8c59ff0ba1718dd2b316264dc1667e696e49142f714430fca09757a81d42a5fb6430c2f6d928384660fd229c247ee2b38b95cd5e4cce1e08713e215c99d92b5b9d0bf60676b4d126675b137103ccf107361aeabe381948ef3df29ab0ffc7e98b8320d73", 0x91}, {&(0x7f0000000580)="978d5c6c62b9cf1ed216fd472c2cc81c8b87d12e844161b0be1a5b0f8392b1b1a0dff76ac07c3dd9230ee2b5581aa1f02782be5b00617fdbe044cfe96f3d3acee62d48599b02f03089debbf5bc45d6ee0b559726dde38fac422e45959fe0b683c57824a88e06890725165ba67d5ff03f0bc0d38cf42120420958bc9b5de3d46a12f0602c1788830ede33f9c5bfe8491d8ecfb8de4f5a9385728d676123c7d2ce3502901cd4452c7edd27a69f76e3d52395", 0xb1}], 0x9, &(0x7f0000000700)=[@authinfo={0x18, 0x84, 0x6, {0x4}}], 0x18, 0x4008800}, {&(0x7f0000000740)=@in6={0xa, 0x4e24, 0x5, @mcast1, 0x38000}, 0x1c, &(0x7f0000000b40)=[{&(0x7f0000000780)="0c8fe365ff499d46d8c079cfa86ffdffb2b6348ba8d82ec09b563bc3e2c253ca6ef33e86b5d0354324fa810afc01e181e651165391b721d4789c71cf01f68670bbd3932194492b5d64fd916decb3c69dd86c82f3256957293f08aa1398d2034dc1ca0d0c2d8a6398c14a246cb7f0685f0c74d9ec379c645de4c61e49e4432057f251ff8de75d5d3440fb4a4b7357c9f431e3f6056baafdeb15b5f87dec75af540816ce", 0xa3}, {&(0x7f0000000840)="be826ab61e2037fcf86ca7ee1179f76efe2ac23bd7e7cb6e1e51ba438f6a71d926ca9d6943c644e63053ba9d2149eeb41bcb67e8b980bab30730843683a7060ae4f452eeefd3e469797ad28a439d94fd2a096bb9392c9b0f09cf723b757127ea4ea5ec6c45e0e1787bd268c6ad6382d02262e6c87b91e8859a2e6216924bf38f6e1251de4d4f06f28c5c40e87413b114867850", 0x93}, {&(0x7f0000000900)="8e8168f1530f145e42bdf0da314e803eb1e27d", 0x13}, {&(0x7f0000000940)="9c30b34903fc1cc565fcbafe193b4f107dbfc336ddb8d7ebeb2ca727c5e2766cd9098ac64395a635f02e1e4e7ec5cb6f2ea80a0ab361a510f3e6656fcaf1857693603da577b843c48dfcfc1336c05ff26033df8fb9e0a06dd09a6e14f86eaf08784e722ed78e6cd9f358ef1d2941c542f101aa814db91f7f81add5d7c3b57797261e16b3086c5f3d4afa490a5e55fb48a4ab5013ca7771e548aabfc573dabc7857a4e91063a190b0d2c43df659d9a6ea13c7ab723024cf2ba2824a29dec2aec29509f79a78b5060f3317ae167b0bef3c", 0xd0}, {&(0x7f0000000a40)="60f8c8015cac51b57dfb243f3873b08745515707e1f7c34687126835a80efe0f44bbc2067388048c8a531e201d28fcac7f0e96bdc018e7537a858a2a36359b7a518fdcbd96940e6bb8feccf2839c2597f1f6780f12aeceeffaf233d6b5f38edac00967902740ed30ffcf6417e2c3c0602bde2bfd17e0f5ddece086c5199727aa6903dcb6d4317aafc3b10f2de2e5859d36b9f9e84b80686d7161b938bd15a5d9d5c799d99046ab49587d35b69f2e299e0ede31803dc865f0f52eb60776250d7b73e74867aa88bd5112ff8f38f24d10564effdf2d6a63341f6f197bf18b0fa537a893", 0xe2}], 0x5, &(0x7f0000000bc0)=[@sndrcv={0x30, 0x84, 0x1, {0x80, 0x3, 0x1, 0x80, 0x4, 0x9, 0x8, 0x2, r0}}], 0x30, 0x4000}, {&(0x7f0000000c00)=@in={0x2, 0x4e23, @dev={0xac, 0x14, 0x14, 0x29}}, 0x10, &(0x7f0000000e40)=[{&(0x7f0000000c40)="098bd9fbe06a2448108a73448727a9489b21f36546e119209c6eee1c88c48c8974e2a695efad6aa2f2b2a536d8045705216d0e1a653da247aac9368956a472b986fe389e57591199e69ad9e2b4173a88747692c3ad0b94254963c7b3aa54750bd4f1f0fccc0b40b1953ed8a0695c9fd3383e4302c74d098f31274cdb4a5275fcfa06b6cf2d551d81406d7f66cabc4b7b", 0x90}, {&(0x7f0000000d00)="8dab20f683ab0ef6f48a5d71627ccaf23d9509d683bac39572c9c7344e8f349e5a00401349cf6b6571a3c76da0e136634579c53e3df4be037fb6bec9aec64105df00262c18952e560975a67c097a549c7c81e4f6d78546b53d019e3e3f9772c0dc62a3abee501d5ef61bd5cb5f71c635fbee9d1729a2f0359e910e0516e8c68babef3a555730b389518e072debf219117738e281a110886a977e55ceaa71a65d0c883d2a836e356674ec0e5c22874a7e7354852cb2d49baa8ed7ae", 0xbb}, {&(0x7f0000000dc0)="875f1e9adacfbdb52b71ea3e9438b95b08e75d77e3dbda3810ea45f9a62f001f633bea32270293f3b677284bdd72", 0x2e}, {&(0x7f0000000e00)="325a907bf441cc681c97a915c6d77e526a9885328c8b4f2bb89131cb05fb1843623580f62478f7db6ca8", 0x2a}], 0x4, &(0x7f0000000f00)=[@sndinfo={0x20, 0x84, 0x2, {0x0, 0x0, 0x459e, 0xd6da, r1}}, @sndrcv={0x30, 0x84, 0x1, {0x7, 0x1, 0x9, 0x9, 0x7, 0x9, 0x5, 0x7, r3}}], 0x50, 0x4}, {&(0x7f0000000f80)=@in={0x2, 0x4e20, @multicast2}, 0x10, &(0x7f0000000fc0), 0x0, 0x0, 0x0, 0xc5}, {&(0x7f0000001000)=@in={0x2, 0x4e23, @loopback}, 0x10, &(0x7f00000011c0)=[{&(0x7f0000001040)="149a4d313ef1f713d73153b27bc46529bd0794075d525b168de807cf6d1a379024b095ebe8cd941ba8d0380c47622774c56e4a6e2f4040046f63bcb57b8c158ffeb3a91ef614c280493bf61e137849bd9c9c2f2f57d1535f424166b4e83ddc3f8c472841f021ba999b10f17e", 0x6c}, {&(0x7f00000010c0)="7ed7d0fec1b5cfdb639dbcea623adb547f3ce6d1f0bcb8a4a59acfa406f75ff6863787c2cbd5796e50080f078b1a653a1288e0e8429211756a38057259cab95e2cbd69ca65eaa55c9436a7211f425fbee7c42ed3142377c1d89336fe23e54eb68844e1b79e19ae593cedc3ab019c2f2c629ec9222edc80855655977611221f8c2df611bd74f29a8d94c02379aca7a6cbb0422ef184c6c89dfc884467daaab04bf13c3fe81965644a677e16ccc3c7dbedd1e913be6d1626d43982ffc37887f8205d76a04c74f6be0a80fabe179f3eaa0d2aa2cd2377284b5d45032343cd44f1a88ab9c87ca140", 0xe6}], 0x2, &(0x7f0000001680)=[@sndrcv={0x30, 0x84, 0x1, {0xc7, 0xcfc1, 0x3, 0x1f, 0x1, 0xdb3, 0x2, 0xd4, r2}}, @init={0x18, 0x84, 0x0, {0x3, 0x5, 0x1, 0x9}}, @init={0x18, 0x84, 0x0, {0x81, 0xa7d7, 0x5, 0xb4}}], 0x60, 0x2000}, {&(0x7f0000001280)=@in={0x2, 0x4e20, @local}, 0x10, &(0x7f0000001380)=[{&(0x7f00000012c0)="c356594d4887702a4fb721e4a61cfa0f310bd58670da1d76fe2d6502d252e8ec49ba49c86ffd56f6f9bff27cc411e9520d4310563838b0f723944df9af974d23fcfa2d8250ee05795c8198129f45175c2c3fa11a4136cbc17c5207d1a3cdcfeefc125723099bd43a68c43299ab29c0690adbd2e41b1c6a49cc9ca25e185a1d1b915f14aeb6a5f32f8c3ea6d1a16260f7a5bc962fedda830d62c54442c6a3d93de085724c39241e1dff5099487d4e339ae892", 0xb2}], 0x1, &(0x7f00000014c0)=[@prinfo={0x18, 0x84, 0x5, {0x0, 0x3f}}, @sndinfo={0x20, 0x84, 0x2, {0x1f, 0x1, 0x6, 0x1, r4}}], 0x38, 0x4008040}], 0x6, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r5 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r5}, {}], 0x2, 0x1) [ 539.299374] block nbd5: Receive control failed (result -32) [ 539.302217] block nbd5: shutting down sockets [ 539.321491] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 539.811667] block nbd1: Receive control failed (result -32) [ 539.817958] block nbd1: shutting down sockets 12:40:27 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x127e, 0x0) 12:40:27 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_SET_SOCK(r3, 0xab00, r2) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r5 = eventfd(0x1) r6 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x4000010, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r4, 0x8}, {r5, 0x3089}, {r4, 0x4000}, {r6, 0x8000}, {r4, 0x2}, {r4}], 0x6, 0x1) r7 = socket(0x18, 0x0, 0x0) getsockname$netlink(r7, 0x0, &(0x7f0000000380)) sendmsg$NL80211_CMD_NEW_INTERFACE(r7, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x44, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @void}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_FCSFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x44}}, 0x800) ioctl$NBD_SET_TIMEOUT(r6, 0xab09, 0xa000000000000000) 12:40:27 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x4000, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:27 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x2, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:27 executing program 2 (fault-call:0 fault-nth:0): syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 539.863241] block nbd1: Could not allocate knbd recv work queue. [ 539.870645] block nbd1: shutting down sockets [ 539.941030] FAULT_INJECTION: forcing a failure. [ 539.941030] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 539.958945] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 539.970152] CPU: 0 PID: 29539 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 539.978049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 539.987403] Call Trace: [ 539.990003] dump_stack+0x1fc/0x2ef [ 539.993649] should_fail.cold+0xa/0xf [ 539.997471] ? setup_fault_attr+0x200/0x200 [ 540.001805] ? get_page_from_freelist+0x1d60/0x4170 [ 540.006880] __alloc_pages_nodemask+0x239/0x2890 [ 540.011670] ? __lock_acquire+0x6de/0x3ff0 [ 540.016010] ? preempt_count_add+0xaf/0x190 [ 540.020424] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 540.025535] ? mark_held_locks+0xf0/0xf0 [ 540.029611] ? __lock_acquire+0x6de/0x3ff0 [ 540.033851] ? tun_build_skb+0x1e0/0x1960 [ 540.038014] alloc_pages_current+0x193/0x2a0 [ 540.042435] skb_page_frag_refill+0x258/0x550 [ 540.046963] tun_build_skb+0x25e/0x1960 [ 540.050956] ? __lock_acquire+0x6de/0x3ff0 [ 540.055199] ? tun_xdp_xmit+0x7c0/0x7c0 [ 540.059181] ? __lock_acquire+0x6de/0x3ff0 [ 540.063449] ? mark_held_locks+0xf0/0xf0 [ 540.067517] tun_get_user+0x846/0x4f40 [ 540.071421] ? check_preemption_disabled+0x41/0x280 [ 540.076445] ? tun_chr_read_iter+0x250/0x250 [ 540.080861] ? aa_file_perm+0x417/0xd20 [ 540.084856] ? lock_downgrade+0x720/0x720 [ 540.089011] ? check_preemption_disabled+0x41/0x280 [ 540.094034] ? check_preemption_disabled+0x41/0x280 [ 540.099063] tun_chr_write_iter+0xdb/0x1d0 [ 540.103340] __vfs_write+0x51b/0x770 [ 540.107074] ? kernel_read+0x110/0x110 [ 540.111048] ? security_file_permission+0x1c0/0x220 [ 540.116206] vfs_write+0x1f3/0x540 [ 540.119814] ksys_write+0x12b/0x2a0 [ 540.123522] ? __ia32_sys_read+0xb0/0xb0 [ 540.127590] ? trace_hardirqs_off_caller+0x6e/0x210 [ 540.132622] ? do_syscall_64+0x21/0x620 [ 540.136606] do_syscall_64+0xf9/0x620 [ 540.140422] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 540.145612] RIP: 0033:0x4192bf [ 540.148827] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 540.167993] RSP: 002b:00007fe013291150 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 540.175704] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004192bf [ 540.183005] RDX: 000000000000008a RSI: 0000000020000200 RDI: 00000000000000f0 [ 540.190271] RBP: 00007fe0132911d0 R08: 0000000000000000 R09: 0000000000000000 [ 540.197570] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 540.204849] R13: 00007ffc234b785f R14: 00007fe013291300 R15: 0000000000022000 12:40:28 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x3, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:28 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x7c00, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:28 executing program 2 (fault-call:0 fault-nth:1): syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 540.263091] block nbd5: shutting down sockets [ 540.296327] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 540.307257] block nbd5: Device being setup by another task [ 540.336000] FAULT_INJECTION: forcing a failure. [ 540.336000] name failslab, interval 1, probability 0, space 0, times 0 [ 540.347294] CPU: 1 PID: 29564 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 540.355182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 540.364551] Call Trace: [ 540.367145] dump_stack+0x1fc/0x2ef [ 540.370777] should_fail.cold+0xa/0xf [ 540.374576] ? __might_fault+0x11f/0x1d0 [ 540.378673] ? setup_fault_attr+0x200/0x200 [ 540.382999] ? lock_downgrade+0x720/0x720 [ 540.387143] ? lock_acquire+0x170/0x3c0 [ 540.391115] __should_failslab+0x115/0x180 [ 540.395349] should_failslab+0x5/0x10 [ 540.399146] kmem_cache_alloc+0x3f/0x370 [ 540.403207] __build_skb+0x39/0x300 [ 540.406832] build_skb+0x1c/0x190 [ 540.410286] tun_build_skb+0x51b/0x1960 [ 540.414269] ? tun_xdp_xmit+0x7c0/0x7c0 [ 540.418244] ? __lock_acquire+0x6de/0x3ff0 [ 540.422489] ? mark_held_locks+0xf0/0xf0 [ 540.426636] tun_get_user+0x846/0x4f40 [ 540.430528] ? check_preemption_disabled+0x41/0x280 [ 540.435609] ? tun_chr_read_iter+0x250/0x250 [ 540.440012] ? aa_file_perm+0x417/0xd20 [ 540.443989] ? lock_downgrade+0x720/0x720 [ 540.448150] ? check_preemption_disabled+0x41/0x280 [ 540.453448] ? check_preemption_disabled+0x41/0x280 [ 540.458469] tun_chr_write_iter+0xdb/0x1d0 [ 540.462709] __vfs_write+0x51b/0x770 [ 540.466423] ? kernel_read+0x110/0x110 [ 540.470321] ? security_file_permission+0x1c0/0x220 [ 540.475340] vfs_write+0x1f3/0x540 [ 540.478881] ksys_write+0x12b/0x2a0 [ 540.482503] ? __ia32_sys_read+0xb0/0xb0 [ 540.486563] ? trace_hardirqs_off_caller+0x6e/0x210 [ 540.492377] ? do_syscall_64+0x21/0x620 [ 540.496369] do_syscall_64+0xf9/0x620 [ 540.500174] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 540.505359] RIP: 0033:0x4192bf [ 540.508548] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 540.527542] RSP: 002b:00007fe013291150 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 540.535249] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004192bf 12:40:28 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0xffff, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 540.542526] RDX: 000000000000008a RSI: 0000000020000200 RDI: 00000000000000f0 [ 540.550134] RBP: 00007fe0132911d0 R08: 0000000000000000 R09: 0000000000000000 [ 540.557394] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 540.564672] R13: 00007ffc234b785f R14: 00007fe013291300 R15: 0000000000022000 [ 540.582865] block nbd5: shutting down sockets [ 540.589843] block nbd5: Could not allocate knbd recv work queue. 12:40:28 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0xfe, 0x0, 0xfd, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80}, 0x0, 0x5, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) dup3(r1, r3, 0x80000) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:28 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x4, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:28 executing program 2 (fault-call:0 fault-nth:2): syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 540.773279] block nbd1: Receive control failed (result -32) [ 540.779803] block nbd1: shutting down sockets 12:40:28 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x127f, 0x0) [ 540.818712] block nbd1: Receive control failed (result -32) [ 540.825722] block nbd1: shutting down sockets [ 541.070842] FAULT_INJECTION: forcing a failure. [ 541.070842] name failslab, interval 1, probability 0, space 0, times 0 [ 541.082124] CPU: 0 PID: 29589 Comm: syz-executor.2 Not tainted 4.19.196-syzkaller #0 [ 541.090014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 541.099372] Call Trace: [ 541.101973] dump_stack+0x1fc/0x2ef [ 541.105725] should_fail.cold+0xa/0xf [ 541.109555] ? setup_fault_attr+0x200/0x200 [ 541.114060] ? lock_downgrade+0x720/0x720 [ 541.118216] __should_failslab+0x115/0x180 [ 541.122468] should_failslab+0x5/0x10 [ 541.126274] kmem_cache_alloc+0x3f/0x370 [ 541.130367] __nf_conntrack_alloc+0xda/0x5e0 [ 541.134783] init_conntrack+0xf06/0x1280 [ 541.138853] ? nf_conntrack_alloc+0x40/0x40 [ 541.143178] ? hash_conntrack_raw+0x2d6/0x460 [ 541.147705] ? nf_ct_gc_expired+0x300/0x300 [ 541.152037] nf_conntrack_in+0x931/0xe20 [ 541.156114] ? init_conntrack+0x1280/0x1280 [ 541.160533] ? ip6t_alloc_initial_table+0x676/0x6a0 [ 541.165671] ? lock_downgrade+0x720/0x720 [ 541.169828] ? ipv6_defrag+0x25e/0x3e0 [ 541.173718] nf_hook_slow+0xc5/0x1e0 [ 541.177436] ipv6_rcv+0x26a/0x3f0 [ 541.180888] ? ip6_sublist_rcv+0xbf0/0xbf0 [ 541.185135] ? ip6_rcv_finish_core.constprop.0.isra.0+0x550/0x550 [ 541.191377] ? netif_receive_skb_internal+0x1da/0x3f0 [ 541.196570] ? ip6_sublist_rcv+0xbf0/0xbf0 [ 541.200807] __netif_receive_skb_one_core+0x114/0x180 [ 541.205996] ? __netif_receive_skb_core+0x3270/0x3270 [ 541.211282] ? lock_acquire+0x170/0x3c0 [ 541.215262] ? netif_receive_skb_internal+0x6e/0x3f0 [ 541.220389] __netif_receive_skb+0x27/0x1c0 [ 541.224985] netif_receive_skb_internal+0xf0/0x3f0 [ 541.229932] ? __netif_receive_skb+0x1c0/0x1c0 [ 541.234523] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 541.239552] tun_rx_batched.isra.0+0x472/0x740 [ 541.244144] ? tun_xdp+0x310/0x310 [ 541.247685] ? tun_get_user+0x2cda/0x4f40 [ 541.251840] ? lock_acquire+0x170/0x3c0 [ 541.255840] ? tun_get_user+0x2069/0x4f40 [ 541.260001] ? check_preemption_disabled+0x41/0x280 [ 541.265026] tun_get_user+0x2e29/0x4f40 [ 541.269016] ? tun_chr_read_iter+0x250/0x250 [ 541.273787] ? aa_file_perm+0x417/0xd20 [ 541.277779] ? lock_downgrade+0x720/0x720 [ 541.281938] ? check_preemption_disabled+0x41/0x280 [ 541.287086] ? check_preemption_disabled+0x41/0x280 [ 541.292120] tun_chr_write_iter+0xdb/0x1d0 [ 541.296458] __vfs_write+0x51b/0x770 [ 541.300283] ? kernel_read+0x110/0x110 [ 541.304196] ? security_file_permission+0x1c0/0x220 [ 541.309224] vfs_write+0x1f3/0x540 [ 541.312777] ksys_write+0x12b/0x2a0 [ 541.316520] ? __ia32_sys_read+0xb0/0xb0 [ 541.320593] ? trace_hardirqs_off_caller+0x6e/0x210 [ 541.325617] ? do_syscall_64+0x21/0x620 [ 541.329598] do_syscall_64+0xf9/0x620 [ 541.333412] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 541.339231] RIP: 0033:0x4192bf [ 541.342431] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 541.361947] RSP: 002b:00007fe013291150 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 541.369692] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004192bf [ 541.377787] RDX: 000000000000008a RSI: 0000000020000200 RDI: 00000000000000f0 [ 541.385061] RBP: 00007fe0132911d0 R08: 0000000000000000 R09: 0000000000000000 [ 541.392339] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 541.399618] R13: 00007ffc234b785f R14: 00007fe013291300 R15: 0000000000022000 12:40:29 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:29 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x5, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 541.471366] block nbd5: shutting down sockets 12:40:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r3 = socket(0x18, 0x0, 0x0) getsockname$netlink(r3, 0x0, &(0x7f0000000380)) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_DO_IT(r2, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = accept4$ax25(0xffffffffffffffff, 0x0, &(0x7f00000000c0), 0x800) ioctl$sock_SIOCGIFVLAN_SET_VLAN_FLAG_CMD(r4, 0x8982, &(0x7f0000000100)={0x7, 'ipvlan0\x00', {0x4}, 0x1}) 12:40:29 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x2, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:29 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x6, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 541.620207] block nbd5: Unsupported socket: shutdown callout must be supported. [ 541.656723] block nbd5: Unsupported socket: shutdown callout must be supported. 12:40:29 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x3, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:29 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$FS_IOC_READ_VERITY_METADATA(r3, 0xc0286687, &(0x7f0000000100)={0x2, 0x8000, 0x31, &(0x7f00000000c0)=""/49}) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:29 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x7, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:29 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x4, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:29 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x8, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 541.877819] block nbd1: Receive control failed (result -32) [ 541.884180] block nbd1: shutting down sockets [ 541.908347] block nbd5: shutting down sockets [ 541.953995] block nbd1: Could not allocate knbd recv work queue. [ 541.977693] block nbd1: shutting down sockets 12:40:30 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:30 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x5, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:30 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x5421, 0x0) 12:40:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0xea3, 0x0, 0x0, 0x800}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$BTRFS_IOC_TREE_SEARCH(r2, 0xd0009411, &(0x7f0000000980)={{0x0, 0x6, 0x0, 0x5, 0xfffffffffffffff8, 0x3, 0xe8d9, 0x800f, 0x9, 0x2118, 0x7fff, 0x400, 0x6, 0xfffffffffffffffd, 0x9}}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) r5 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r5, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) mmap(&(0x7f0000ffa000/0x4000)=nil, 0x4000, 0x1, 0x10, r5, 0x4fc0c000) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:30 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x9, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:30 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x6, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 542.279034] net_ratelimit: 5 callbacks suppressed [ 542.279046] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:30 executing program 2: syz_emit_ethernet(0xd, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:30 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x7, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 542.409731] block nbd5: shutting down sockets 12:40:30 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0xf, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 542.452129] block nbd5: Could not allocate knbd recv work queue. [ 542.459944] block nbd5: shutting down sockets 12:40:30 executing program 2: syz_emit_ethernet(0xca, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:30 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x9, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:30 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f00000000c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = eventfd(0x1) r5 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r3, 0x8}, {r4, 0x3089}, {r3, 0x4000}, {r5, 0x8008}, {r3, 0x2}, {r3}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r5, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 542.531198] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:30 executing program 2: syz_emit_ethernet(0xfdef, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:30 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x2, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 542.740616] block nbd5: shutting down sockets [ 542.844339] block nbd5: Receive control failed (result -32) [ 542.844904] block nbd5: shutting down sockets [ 543.059432] block nbd1: Receive control failed (result -32) [ 543.065814] block nbd1: shutting down sockets 12:40:31 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x5450, 0x0) 12:40:31 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0xa, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:31 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x3, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:31 executing program 2: syz_emit_ethernet(0x2000028a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:31 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)=ANY=[@ANYBLOB="14000000020201a5a600"/20], 0x14}}, 0x0) r5 = socket$nl_route(0x10, 0x3, 0x0) r6 = socket$nl_route(0x10, 0x3, 0x0) r7 = socket$netlink(0x10, 0x3, 0x0) r8 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r8, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r8, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r7, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r9, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(r6, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r9, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(r5, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000440)=@newtfilter={0x4c, 0x64, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r9}, [@filter_kind_options=@f_flower={{0xb}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x4, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x4, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x52}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR={0x5}]}]}]}}]}, 0x4c}}, 0x0) ioctl$sock_SIOCDELRT(r4, 0x890c, &(0x7f0000000100)={0x0, @in={0x2, 0x4e21, @multicast2}, @can={0x1d, r9}, @rc={0x1f, @any, 0x29}, 0x2, 0x0, 0x0, 0x0, 0x2, &(0x7f00000000c0)='wg0\x00', 0x800000000, 0x5, 0x9}) [ 543.112547] block nbd1: Could not allocate knbd recv work queue. [ 543.118759] block nbd1: shutting down sockets 12:40:31 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x4, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:31 executing program 2: syz_emit_ethernet(0xfffffdef, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:31 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x11, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:31 executing program 2: syz_emit_ethernet(0xfffffffffffffdef, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 543.312628] block nbd5: shutting down sockets 12:40:31 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000002c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000062c40)={0x0, [{r2}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r3}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r4}], 0x0, "8bebeb894f74c3"}) ioctl$BTRFS_IOC_INO_LOOKUP_USER(r0, 0xd000943e, &(0x7f000004d8c0)={0x0, 0x0, "adba302743fc291886c63f7f1fd0e24823223bf73495f33810d8826e111af28753216391c18c3d4535637ea09d3e7a522976f1e866ed3572a738639f3e4a783b3414ad28bca5b7924bf33097af82ea5752c2ffeaa853ca86a29dfa466e732fdd1ba489e3b07750955d10e8a07224a36276bb1274a58a4f2fdf36709fbed45f5982a99de7ae69a3cd448e4b44b354682b4142a61d8e024d8393768d4923ba1fb65b2cc9c5ce57f8a0463b35b59e8ecdad48dae2d6c8201b2c507e912be007b4a5cfc4d25893e9033a5646c664f763ce19e545cc3bbdb80717cf017e2c0d207dfef3b0cea99d1496afcf92bab43c74c174403c68db8bc6b32b2f7a5d851c9a7ded", "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"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000002c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000062c40)={0x0, [{r6}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r8}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r7}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r7}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r8}], 0x0, "8bebeb894f74c3"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000002c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000062c40)={0x0, [{r9}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r11}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r10}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r10}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r11}], 0x0, "8bebeb894f74c3"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000002c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000062c40)={0x0, [{r12}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r14}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r13}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r13}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r14}], 0x0, "8bebeb894f74c3"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(r1, 0xd000943d, &(0x7f000004e8c0)={0x2, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, 0x0}], 0x0, "9b9c56abb9e13e"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000002c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000062c40)={0x0, [{r16}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r18}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r17}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r17}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r18}], 0x0, "8bebeb894f74c3"}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r1, 0x81f8943c, &(0x7f000004f8c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_TREE_SEARCH_V2(r1, 0xc0709411, &(0x7f000004fac0)={{0x0, 0x5, 0x9, 0xfffffffffffffffe, 0x8, 0xffff, 0x1, 0x3, 0x2, 0x2, 0x598, 0xff, 0x4, 0x1, 0x2}, 0x40, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(0xffffffffffffffff, 0x81f8943c, &(0x7f00000002c0)={0x0, ""/256, 0x0, 0x0}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f0000062c40)={0x0, [{r21}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r23}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r22}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r22}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {0x0, r23}], 0x0, "8bebeb894f74c3"}) ioctl$BTRFS_IOC_GET_SUBVOL_ROOTREF(0xffffffffffffffff, 0xd000943d, &(0x7f000004fb80)={0x7fff, [{}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {}, {r3}, {0x0, r5}, {r7}, {0x0, r11}, {r12, r15}, {r16, r19}, {}, {r20, r23}], 0xc7, "7ac7e5119c8e7a"}) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) 12:40:31 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x5, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 543.361268] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. 12:40:31 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x7c, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 543.657231] netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. [ 544.042098] block nbd1: Receive control failed (result -32) [ 544.081768] block nbd1: Device being setup by another task [ 544.087815] block nbd1: shutting down sockets 12:40:32 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x0}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:32 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x5451, 0x0) 12:40:32 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x7, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:32 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) r2 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 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, 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$PERF_EVENT_IOC_QUERY_BPF(r2, 0xc008240a, &(0x7f0000000000)={0x500}) perf_event_open(&(0x7f0000000000)={0x4, 0x80, 0x7, 0x3, 0x0, 0x4, 0x0, 0x2, 0x140, 0x9, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x3, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x8bc, 0x4, @perf_config_ext={0x7, 0x101}, 0x10062, 0x1, 0x0, 0x8, 0x101, 0x8, 0x5, 0x0, 0x1ff}, 0xffffffffffffffff, 0x1, r2, 0x2) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40042409, 0x0) 12:40:32 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x300, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:32 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x2, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}}, 0x0, 0x7, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) open(&(0x7f0000000140)='./file0\x00', 0x40002, 0x20) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = syz_open_dev$vcsa(&(0x7f00000000c0), 0x5, 0x101200) pipe2(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:32 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x500, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:32 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x2}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:32 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x9, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:32 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x400, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x80}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) r2 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000), 0x3, 0x0) sendfile(r0, r2, &(0x7f0000000040)=0x7, 0x3) 12:40:32 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x3}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 544.294204] block nbd5: shutting down sockets 12:40:32 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x600, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:32 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0xb, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 544.404489] block nbd5: Receive control failed (result -32) [ 544.411164] block nbd5: shutting down sockets [ 545.004303] block nbd1: Receive control failed (result -32) [ 545.011066] block nbd1: shutting down sockets 12:40:33 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x5452, 0x0) 12:40:33 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:33 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x4}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:33 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:33 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x700, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:33 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "023ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 545.052257] block nbd1: Could not allocate knbd recv work queue. [ 545.058551] block nbd1: shutting down sockets 12:40:33 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x5}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:33 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "053ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 545.150835] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:33 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x900, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 545.262342] block nbd5: shutting down sockets 12:40:33 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) r2 = memfd_create(&(0x7f0000000040)='+\x8b\x8a\x16\x11O\xdd\xdfk(F\x99\xdf\x92\xd5>oJ\x02u\x9b\xafa\xac', 0x3) fcntl$addseals(r2, 0x409, 0x8) io_setup(0x4, &(0x7f0000000080)=0x0) io_submit(r3, 0x1, &(0x7f0000001280)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000080)="14", 0x1}]) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) r5 = openat$incfs(0xffffffffffffff9c, &(0x7f0000000200)='.pending_reads\x00', 0x84000, 0x42) r6 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r7 = eventfd(0x1) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, 0xffffffffffffffff, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r6, 0x8}, {r7, 0x3089}, {r6, 0x4000}, {0xffffffffffffffff, 0x8000}, {r6, 0x2}, {r6}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) io_submit(r3, 0x4, &(0x7f0000000400)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x8, 0x7fff, r4, &(0x7f0000000000)="2fcb343595a25074177ddf68050ee294a689a4523f65e7d853f127e2bbc8941493aaff957526edcd3b8a9d9545bedb9b621d4cc71d417f380f2fb9f4de6d8a65fa046d8ce30a238ae7b044c4e43a2f70ededc92463594ca729e10b0dce52e13777ce908ec5abdbc5f46c2318be23c2ed1dcab304f374ddcba4ab154204ecee730caf71110d292d07bd44e4d589653351a8161d61aa477256beb7f15129fea631c128359c25b415ac5370604632b43a6f", 0xb0, 0x5, 0x0, 0x2, r1}, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x3, 0x101, r0, &(0x7f0000000100)="d89e310ab1776513b914a6d4057f5c258a081ca1090226c4590612d06bf01f2151e6983f4998274c569726cb185774dc9353ac9917ed4db48df96715b2997002333b7099f9f02ae501ae8900d9c4a3dcb760157f5d8f3a54f6eb9f8cc71d70e6bef5aefe678275d4a49bf812d7376b2f0be51694708eb8a02cae58ee31723789f835371162e9e2bdbd922a8e", 0x8c, 0x1ff, 0x0, 0x2, r5}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x8, 0xfff9, r1, &(0x7f0000000280)="9b5d1333af0d07bb58ac69e67ce6ba933599201b95fd304d55fdb33262d8af12c5a396565719751c2b5c66973d6ff6ea6219a27531f92fdd334fefc4d35fb1d32a31f0fdbff1a138ba413f6b86c8f94c", 0x50, 0x80000000, 0x0, 0x2}, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x8, 0x8, r1, &(0x7f0000000340)="8e3871408d804b701f3c7181024da444a44cf84015023c5d9e6c41ba72ebb32458c65b803cd88fafb19e12500f8894c0efe1c29464ec6c951396e3142f064d9d9f529d98b39f73", 0x47, 0x5, 0x0, 0x2, r1}]) 12:40:33 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0xa00, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 545.319923] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 545.321778] block nbd5: Device being setup by another task 12:40:33 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x6}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:34 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x5460, 0x0) 12:40:34 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) pipe2$9p(&(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r5, &(0x7f0000000440)=ANY=[@ANYBLOB="1500000065ffff0180000008003950323030302e4c"], 0x15) r6 = dup(r5) write$FUSE_BMAP(r6, &(0x7f0000000100)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(r6, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000140), 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r4, @ANYBLOB="2c82e08f3c715e405c7766e46e6f0400a44ac48a5e2789250b21ad1377030b76cd48f5392529fed3bdf308fb96e3085581c3d416818e949d48dee19fa1d6e52856f4ac8db5219326a7faf17f0ba6a35f", @ANYRESHEX=r5]) perf_event_open(&(0x7f00000003c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) setxattr$trusted_overlay_upper(&(0x7f0000000240)='./file0\x00', &(0x7f00000002c0), &(0x7f0000000780)=ANY=[], 0x42, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:34 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "063ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:34 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x1100, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:34 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x7}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:34 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) r2 = fcntl$dupfd(r1, 0x406, r0) r3 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = eventfd(0x1) r5 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r3, 0x8}, {r4, 0x3089}, {r3, 0x4000}, {r5, 0x8000}, {r3, 0x2}, {r3}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r5, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$KVM_IOEVENTFD(r2, 0x4040ae79, &(0x7f0000000040)={0x4, &(0x7f0000000000), 0x0, r5, 0x9}) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) [ 545.974326] block nbd1: Receive control failed (result -32) [ 545.978052] block nbd1: shutting down sockets [ 546.011725] block nbd1: Device being setup by another task 12:40:34 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x2000, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 546.104455] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:34 executing program 3: r0 = perf_event_open(&(0x7f0000000000)={0x1, 0x80, 0x0, 0x10, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x1000, 0x5}, 0x20, 0x4, 0xfffffffc, 0x9, 0x0, 0x3}, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xa) r1 = eventfd(0x1) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r0, 0x2405, 0xffffffffffffffff) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) stat(&(0x7f0000000100)='./file0\x00', &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) mount$9p_fd(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f00000000c0), 0x2a30450, &(0x7f0000000200)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r2}, 0x2c, {[{@nodevmap}, {@dfltgid}, {@aname={'aname', 0x3d, '{,:#\''}}, {@dfltgid={'dfltgid', 0x3d, r3}}, {@version_9p2000}, {@cachetag={'cachetag', 0x3d, ':}'}}, {@noextend}, {@aname={'aname', 0x3d, '@/&'}}], [{@smackfsdef}, {@smackfsfloor={'smackfsfloor', 0x3d, './$'}}, {@audit}, {@mask={'mask', 0x3d, '^MAY_APPEND'}}, {@seclabel}, {@smackfsdef={'smackfsdef', 0x3d, '{\xa0{'}}]}}) 12:40:34 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x8}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:34 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "073ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 546.286763] block nbd5: shutting down sockets [ 546.318267] 9pnet: Insufficient options for proto=fd 12:40:34 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) mmap(&(0x7f0000ffd000/0x1000)=nil, 0x1000, 0x2000008, 0x2010, r1, 0x139b2000) 12:40:34 executing program 5: r0 = syz_open_dev$vivid(&(0x7f00000000c0), 0x3, 0x2) ioctl$INCFS_IOC_READ_FILE_SIGNATURE(r0, 0x8010671f, &(0x7f0000000180)={&(0x7f0000000100)=""/109, 0x6d}) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 546.394382] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 546.601657] block nbd5: Device being setup by another task [ 546.607990] block nbd5: shutting down sockets [ 546.652401] block nbd5: shutting down sockets 12:40:35 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x9}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:35 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x3f00, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab00, 0x0) 12:40:35 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0b3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:35 executing program 3: perf_event_open(&(0x7f000001d000)={0x3, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7d, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, @perf_bp={0x0}, 0x701, 0x0, 0x0, 0x0, 0x6, 0x40000000, 0x3, 0x0, 0x0, 0x0, 0x7}, 0x0, 0x2, 0xffffffffffffffff, 0x8) r0 = eventfd(0x1) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, &(0x7f0000000000)=0x0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040), 0x1aec1, 0x0) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f00000000c0)={r1, r2, 0x0, 0x3, &(0x7f0000000080)='/-\x00'}, 0x30) perf_event_open(&(0x7f0000000140)={0x2, 0x80, 0x7c, 0x54, 0x3, 0x6, 0x0, 0x7, 0x8210, 0x6, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x833, 0x0, @perf_bp={&(0x7f0000000100), 0x5}, 0x4000, 0x7f, 0x7ff, 0x7, 0x5c, 0x0, 0x3, 0x0, 0x7f, 0x0, 0x400}, 0x0, 0xf, r2, 0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) ioctl$LOOP_GET_STATUS(r2, 0x4c03, &(0x7f0000000200)) r3 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_QUERY_BPF(r3, 0xc008240a, &(0x7f0000000000)={0x500}) perf_event_open(&(0x7f00000002c0)={0x5, 0x80, 0x2, 0x1, 0x6a, 0x7f, 0x0, 0x3, 0x4, 0x8, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, @perf_config_ext={0x7, 0x8}, 0x40024, 0x6, 0x8, 0x3, 0x0, 0x8, 0x8, 0x0, 0x8001, 0x0, 0x7}, r1, 0xe, r3, 0x3) 12:40:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x20, 0xed}, 0x0, 0x7fffffff, 0x100, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r0, 0xab03) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 546.917011] block nbd1: Receive control failed (result -32) [ 546.919047] block nbd1: shutting down sockets [ 546.951715] block nbd1: Device being setup by another task 12:40:35 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x4000, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:35 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0xa}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 547.055922] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:35 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0c3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:35 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r1 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = eventfd(0x1) r3 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r1, 0x8}, {r2, 0x3089}, {r1, 0x4000}, {r3, 0x8000}, {r1, 0x2}, {r1}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r3, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$CHAR_RAW_RRPART(r3, 0x125f, 0x0) pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$CHAR_RAW_IOOPT(r4, 0x1279, &(0x7f0000000100)) ioctl$LOOP_SET_FD(r3, 0x4c00, r4) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000140)={&(0x7f00000003c0)=ANY=[@ANYBLOB="38000000240007050000004007a2a30005000000", @ANYRES32=r6, @ANYBLOB="00000000ffffffff00000000090001006866736300000000080002"], 0x38}}, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000440)=@newtfilter={0x4c, 0x64, 0xd27, 0x0, 0x0, {0x0, 0x0, 0x0, r6}, [@filter_kind_options=@f_flower={{0xb}, {0x1c, 0x2, [@TCA_FLOWER_KEY_ENC_OPTS={0x4, 0x54, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPTS_ERSPAN={0x4, 0x3, 0x0, 0x1, [@TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER={0x5, 0x52}, @TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR={0x5}]}]}]}}]}, 0x4c}}, 0x0) sendmsg$nl_route(r5, &(0x7f0000000400)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000180)={&(0x7f0000000300)=@ipv6_getaddrlabel={0x98, 0x4a, 0x300, 0x70bd27, 0x25dfdbfb, {0xa, 0x0, 0x18, 0x0, r6, 0x8}, [@IFAL_ADDRESS={0x14, 0x1, @private0={0xfc, 0x0, '\x00', 0x1}}, @IFAL_LABEL={0x8, 0x2, 0xc}, @IFAL_ADDRESS={0x14, 0x1, @loopback}, @IFAL_ADDRESS={0x14, 0x1, @mcast1}, @IFAL_ADDRESS={0x14, 0x1, @loopback}, @IFAL_LABEL={0x8, 0x2, 0xb}, @IFAL_LABEL={0x8, 0x2, 0x1}, @IFAL_ADDRESS={0x14, 0x1, @empty}]}, 0x98}, 0x1, 0x0, 0x0, 0x40000}, 0x44000) perf_event_open(&(0x7f0000000040)={0x5, 0x80, 0x5, 0x18, 0x4, 0x4, 0x0, 0x6, 0x30340, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x300, 0x2, @perf_bp={&(0x7f0000000000), 0x8}, 0x40004, 0x7, 0x0, 0x0, 0x1000000000f7f, 0x6, 0x9, 0x0, 0xdbd0, 0x0, 0x7}, 0x0, 0x9, 0xffffffffffffffff, 0x0) 12:40:35 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0xb}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 547.183005] block nbd5: shutting down sockets 12:40:35 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x7c00, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 547.230125] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 547.241316] block nbd5: Device being setup by another task 12:40:35 executing program 5: r0 = openat$vnet(0xffffffffffffff9c, &(0x7f0000001640), 0x2, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000b00)='/proc/self/exe\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r1, 0x0) preadv(r1, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f0000000000)=[{r0}], 0x1, 0x20) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0xc0004, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r6 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000000c0), 0x20900, 0x0) r7 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)=ANY=[@ANYBLOB="94000000028c"], 0x14}}, 0x0) sendfile(r6, 0xffffffffffffffff, &(0x7f0000000340)=0x9599, 0x1) poll(&(0x7f00000001c0)=[{0xffffffffffffffff, 0x8}, {0xffffffffffffffff, 0x3089}, {0xffffffffffffffff, 0x4000}, {0xffffffffffffffff, 0x8000}, {0xffffffffffffffff, 0x2}, {}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) openat(0xffffffffffffffff, &(0x7f0000000140)='./file0\x00', 0xbce78962c2b49bf4, 0x2) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 12:40:35 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "253ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 547.418470] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 547.520683] block nbd5: shutting down sockets [ 547.612508] block nbd5: shutting down sockets 12:40:35 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab01, 0x0) 12:40:35 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:35 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x482, 0x4, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x53c}, 0x0, 0x8000000c, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x8000, 0xc0) 12:40:35 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0xffff, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:35 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "743ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:35 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) [ 547.869549] block nbd1: Receive control failed (result -32) [ 547.891692] block nbd1: Device being setup by another task [ 547.897753] block nbd1: shutting down sockets 12:40:36 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x2}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:36 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x2, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 547.995501] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:36 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) r2 = getpgid(0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r2, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000000)={0x2, 0x80, 0x3c, 0xe0, 0x40, 0x8, 0x0, 0x1, 0x40020, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x3, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x3, 0x1, @perf_config_ext={0x7, 0x7}, 0x8, 0x2, 0xda, 0x9, 0xb6d, 0x3ff, 0x5, 0x0, 0x8000, 0x0, 0x1000}, r2, 0x5, r0, 0x9) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f00000000c0)={&(0x7f0000000080)='block_rq_complete\x00'}, 0x10) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) 12:40:36 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a06f2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 548.125385] block nbd5: shutting down sockets 12:40:36 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a0bf2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 548.169313] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:36 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x4, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 548.244083] block nbd5: shutting down sockets [ 548.291763] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 548.822159] block nbd1: Receive control failed (result -32) [ 548.828297] block nbd1: shutting down sockets 12:40:36 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab03, 0x0) 12:40:36 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x3}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:36 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x9f70) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) perf_event_open(&(0x7f0000000140)={0x4, 0x80, 0xff, 0x5, 0x20, 0x9, 0x0, 0x7ff, 0xaa8, 0x2, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000100), 0x6}, 0x10000, 0x4, 0xffff, 0x5, 0x7, 0x80, 0x8f, 0x0, 0xd83b, 0x0, 0xfff}, 0x0, 0xc, 0xffffffffffffffff, 0x4) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000000c0), 0x351281, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 12:40:36 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:36 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x6, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:36 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a74f2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 548.885486] block nbd1: Receive control failed (result -32) [ 548.894025] block nbd1: shutting down sockets [ 548.943476] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:37 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x9, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:37 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x3, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 549.004627] block nbd5: shutting down sockets 12:40:37 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x4}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:37 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000000)={0x5, 0x80, 0x1, 0x3, 0x52, 0xe6, 0x0, 0x7, 0x48802, 0x5, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0xfffffffa, 0x0, @perf_config_ext={0x100, 0x6}, 0x80, 0x8, 0x3f, 0x2, 0x3, 0x6, 0xa9a, 0x0, 0x80, 0x0, 0x5}, 0x0, 0xffffffffffffffff, r0, 0x2) r1 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) [ 549.083313] block nbd5: shutting down sockets 12:40:37 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0xb, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x280001, 0x3f) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 549.272020] block nbd5: shutting down sockets [ 549.311107] block nbd5: shutting down sockets 12:40:37 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab04, 0x0) 12:40:37 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x5}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:37 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:37 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0xa, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:37 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x2}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:37 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = accept(r4, 0x0, &(0x7f0000000240)) fadvise64(r5, 0x8, 0x4, 0x1) getsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x15, &(0x7f00000001c0), &(0x7f0000000200)=0x10) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$F2FS_IOC_MOVE_RANGE(r2, 0xc020f509, &(0x7f0000000180)={r3, 0x1, 0xffffffffffff8764, 0x63}) perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x1, 0x8, 0x8, 0x7, 0x0, 0xfaa, 0x10, 0x6, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x2, 0x4, @perf_bp={&(0x7f00000000c0), 0x4}, 0x11110, 0x81, 0x4, 0x9, 0x4, 0x0, 0x3, 0x0, 0x9, 0x0, 0x9}, 0x0, 0x2, r7, 0xb) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 549.773585] block nbd1: Receive control failed (result -32) [ 549.811665] block nbd1: Device being setup by another task [ 549.817730] block nbd1: shutting down sockets 12:40:37 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x4}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:38 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x13, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:38 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x6}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:38 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000000)='*\x18\x00') pipe(&(0x7f0000000100)={0xffffffffffffffff}) r3 = perf_event_open(&(0x7f0000000140)={0x5, 0x80, 0xfe, 0x40, 0xeb, 0x5, 0x0, 0x2, 0xa1802, 0x8, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x7, 0x5, @perf_config_ext={0x1, 0x5}, 0x4000, 0x4, 0x8, 0x6, 0x0, 0x4, 0x7, 0x0, 0x7fff, 0x0, 0x401}, 0xffffffffffffffff, 0xffffffffffffffff, r0, 0x3) perf_event_open$cgroup(&(0x7f0000000080)={0x2, 0x80, 0x2, 0x7f, 0x20, 0x3f, 0x0, 0x2, 0x0, 0x7, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x7fffffff, 0x0, @perf_bp={&(0x7f0000000040), 0x5}, 0x4100, 0x9, 0x5, 0x9, 0x80000001, 0x4, 0x80, 0x0, 0x401, 0x0, 0x7}, r2, 0x6, r3, 0x5) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) 12:40:38 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x6}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 549.971893] block nbd5: shutting down sockets [ 549.982960] block nbd1: shutting down sockets 12:40:38 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 550.070499] block nbd5: shutting down sockets [ 550.085325] block nbd1: Receive control failed (result -32) [ 550.085843] block nbd1: shutting down sockets 12:40:38 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab05, 0x0) 12:40:38 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x7}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:38 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x40082406, &(0x7f0000000000)='.\x00') r2 = fcntl$getown(r1, 0x9) r3 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0xe4ac6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8c}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_QUERY_BPF(r3, 0xc008240a, &(0x7f0000000000)={0x500}) perf_event_open(&(0x7f0000000080)={0xe0f53cbbf77800f, 0x80, 0x6, 0x8, 0x7, 0x58, 0x0, 0x19, 0xca80, 0x5, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x9, 0x4, @perf_bp={&(0x7f0000000040), 0x1}, 0x10021, 0x101, 0x2, 0x2, 0x0, 0x3, 0x9, 0x0, 0x2, 0x0, 0xe20}, r2, 0xb, r3, 0x0) 12:40:38 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x9}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) sendmsg$IPCTNL_MSG_EXP_DELETE(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000240)=ANY=[@ANYBLOB="140084eca77021000000000000000000ff0f0d0000000000"], 0x14}}, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(0xffffffffffffffff, 0x8933, &(0x7f0000000140)) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r3 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = eventfd(0x1) r5 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r3, 0x8}, {r4, 0x3089}, {r3, 0x4000}, {r5, 0x8000}, {r3, 0x2}, {r3}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r5, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f00000000c0)={0x6c, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MNTR_FLAGS={0x28, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_COOK_FRAMES={0x4}, @NL80211_MNTR_FLAG_FCSFAIL={0x4}, @NL80211_MNTR_FLAG_OTHER_BSS={0x4}, @NL80211_MNTR_FLAG_ACTIVE={0x4}, @NL80211_MNTR_FLAG_ACTIVE={0x4}, @NL80211_MNTR_FLAG_COOK_FRAMES={0x4}, @NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_FCSFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_OTHER_BSS={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x6c}}, 0x800) ioctl$NBD_CLEAR_SOCK(r5, 0xab04) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_DO_IT(r0, 0xab03) 12:40:38 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x25, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:38 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x9}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:38 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x74, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:38 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0xb}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 550.294810] block nbd5: shutting down sockets 12:40:38 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = bpf$ITER_CREATE(0x21, &(0x7f0000000240), 0x8) perf_event_open$cgroup(&(0x7f0000000140)={0x5, 0x80, 0x4, 0x6, 0x9, 0x0, 0x0, 0x3ff, 0x4920, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x2, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0xee16, 0x1, @perf_config_ext={0xd357, 0xffffffffffffffff}, 0x2004, 0x1, 0x4, 0x7, 0x401, 0x6, 0xf6ff, 0x0, 0x0, 0x0, 0x459f}, 0xffffffffffffffff, 0x10, r1, 0x0) r2 = eventfd(0x1) perf_event_open(&(0x7f0000000040)={0x1, 0x80, 0xf7, 0x8, 0xfc, 0x1, 0x0, 0x1, 0xffed27319a358d08, 0x5, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x401, 0x1, @perf_bp, 0x40102, 0x6685fe40, 0x6, 0x4, 0x8, 0x1, 0x8, 0x0, 0x0, 0x0, 0xfff}, 0xffffffffffffffff, 0x10, r0, 0x2) poll(&(0x7f00000001c0)=[{r2}, {}], 0x2, 0x1) r3 = openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0), 0x200, 0x0) ioctl$KVM_IRQFD(0xffffffffffffffff, 0x4020ae76, &(0x7f0000000100)={r3, 0x6, 0x1}) 12:40:38 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x800000000000000, 0x3ff}, 0x2220}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x9) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r5 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r6 = eventfd(0x1) r7 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r7, 0x0) preadv(r7, &(0x7f0000000280), 0x18, 0xd9f, 0x0) r8 = dup3(r7, r2, 0x0) read$eventfd(r8, &(0x7f0000000100), 0x8) poll(&(0x7f00000001c0)=[{r5, 0x8}, {r6, 0x3089}, {r5, 0x4000}, {r7, 0x8000}, {r5, 0x2}, {r5}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r7, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="28ef03645b3c7000fedbdf251c000000080001005e0000000800", @ANYRES32=0x0, @ANYBLOB="0c00990000000080770000000a00e800ffffffffffff00001400178004000300040002000400020004000200"], 0x50}}, 0x800) r9 = openat$incfs(0xffffffffffffffff, &(0x7f00000000c0)='.log\x00', 0x10283, 0x55) ioctl$NBD_SET_SOCK(r7, 0xab00, r9) ioctl$NBD_SET_SOCK(r4, 0xab00, r3) 12:40:38 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0xa}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 550.606654] block nbd5: shutting down sockets [ 550.733601] block nbd5: shutting down sockets 12:40:39 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab06, 0x0) 12:40:39 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:39 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x2, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:39 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) r2 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r0, 0x8}, {r1, 0x3089}, {r0, 0x4000}, {r2, 0x8000}, {r0, 0x2}, {r0}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r2, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$DRM_IOCTL_GET_MAGIC(r2, 0x80046402, &(0x7f0000000000)) r3 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = eventfd(0x1) eventfd(0xfffffc01) poll(&(0x7f00000001c0)=[{r4}, {}], 0x2, 0x1) r5 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 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, 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$PERF_EVENT_IOC_QUERY_BPF(r3, 0xc008240a, &(0x7f00000000c0)={0x2, 0x0, [0x0, 0x0]}) ioctl$PERF_EVENT_IOC_SET_BPF(r5, 0x40042408, r2) 12:40:39 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0xe}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:39 executing program 5: r0 = syz_open_dev$vcsu(&(0x7f00000000c0), 0x9, 0x0) preadv(r0, &(0x7f0000000480)=[{&(0x7f0000000100)=""/125, 0x7d}, {&(0x7f0000000180)=""/7, 0x7}, {&(0x7f00000001c0)=""/149, 0x95}, {&(0x7f0000000980)=""/4096, 0x1000}, {&(0x7f0000000280)=""/161, 0xa1}, {&(0x7f0000000340)=""/61, 0x3d}, {&(0x7f0000001980)=""/4096, 0x1000}, {&(0x7f0000000380)=""/225, 0xe1}, {&(0x7f0000002980)=""/4096, 0x1000}], 0x9, 0x800, 0x7) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 551.084861] block nbd1: Receive control failed (result -32) [ 551.121736] block nbd1: Device being setup by another task [ 551.128020] block nbd1: shutting down sockets 12:40:39 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x11}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:39 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3, 0x2}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:39 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x3, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:39 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) r1 = perf_event_open(&(0x7f0000000000)={0x0, 0x80, 0x61, 0x1, 0xde, 0xc5, 0x0, 0x9, 0x12404, 0x4, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, @perf_config_ext={0x1, 0x80000000}, 0x400, 0x71, 0x7, 0x9, 0x20, 0x10000, 0x8, 0x0, 0x8, 0x0, 0x9}, 0x0, 0x3, 0xffffffffffffffff, 0x0) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r2 = socket(0x1, 0xa, 0x0) getsockname$netlink(r2, 0x0, &(0x7f0000000380)) bind$inet(r2, &(0x7f0000000080)={0x2, 0x4e23, @initdev={0xac, 0x1e, 0x1, 0x0}}, 0x10) read$FUSE(0xffffffffffffffff, &(0x7f00000013c0)={0x2020, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x2020) r4 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r5 = openat$vicodec1(0xffffffffffffff9c, &(0x7f0000003500), 0x2, 0x0) ioctl$BTRFS_IOC_SNAP_CREATE_V2(r5, 0x50009417, &(0x7f00000035c0)={{r0}, 0x0, 0x4, @inherit={0x50, &(0x7f0000003540)={0x1, 0x1, 0x8, 0x800, {0x3, 0x9, 0x4000800, 0x81, 0x75a}, [0x3]}}, @devid}) ioctl$PERF_EVENT_IOC_QUERY_BPF(r4, 0xc008240a, &(0x7f0000000000)={0x500}) perf_event_open(&(0x7f0000000240)={0x3, 0x80, 0x4, 0x3, 0x1, 0xee, 0x0, 0x5, 0x80000, 0x8, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, @perf_bp={&(0x7f0000000200), 0x9}, 0x4800, 0x2, 0x8, 0x0, 0x80000001, 0x0, 0x5, 0x0, 0x6, 0x0, 0x4}, r3, 0xa, r4, 0x9) writev(r1, &(0x7f0000000180)=[{&(0x7f00000000c0)="ddc8f4ad4e9a2395ed72beca1f0b006bc7e2500d1ea5ee06305c0ed6112f5d34c072747264eb9923c75e94cb95d80d87b13ea2419c30d2fa6b816c65f8629a9144d6a725d0d4c4f45d32f4433b074e36efd81ef98f2489f22057cee8c4cc80a5e69f2b518b2462daa9d0468e0fe00880b9dabb74d292c7bc281fea44bfa639ed2910f4a59c0952b83af79ee66abc658f30f54cc1ceb58c8653f9aa0f04091b362fea6c5f06fc0352862c1c7fac79bec469616cf92c85980478d4d705d3ac", 0xbe}, {&(0x7f00000003c0)="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", 0x1000}], 0x2) setsockopt$EBT_SO_SET_COUNTERS(r2, 0x0, 0x81, &(0x7f0000003400)={'filter\x00', 0x0, 0x0, 0x0, [0x5, 0x8, 0xd94, 0x2], 0x8, &(0x7f00000002c0)=[{}, {}, {}, {}, {}, {}, {}, {}, {}], 0x0, [{}, {}, {}, {}, {}, {}, {}, {}]}, 0xf8) [ 551.307318] block nbd5: shutting down sockets 12:40:39 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x60}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:39 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 551.435587] block nbd5: Receive control failed (result -32) [ 551.444140] block nbd5: shutting down sockets 12:40:40 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab07, 0x0) 12:40:40 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x3) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x4001) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) ioctl$DRM_IOCTL_GET_CLIENT(0xffffffffffffffff, 0xc0286405, &(0x7f0000000180)={0x1, 0x6, {0xffffffffffffffff}, {0xee00}, 0x5, 0xffffffff80000001}) perf_event_open(&(0x7f0000000100)={0x1, 0x80, 0x0, 0x7f, 0x3, 0x0, 0x0, 0x20, 0x8004a, 0x8, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x3, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x401, 0x4, @perf_config_ext={0xd2, 0x8001}, 0x9010, 0x7a, 0x85, 0x7, 0x1000, 0x86fc, 0x0, 0x0, 0x1, 0x0, 0x80000000000000}, r4, 0x1, r2, 0x8) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:40 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x4, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:40 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x7c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:40 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) dup(r1) r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r2, 0xae60) ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) r3 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = eventfd(0x1) r5 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r3, 0x8}, {r4, 0x3089}, {r3, 0x4000}, {r5, 0x8000}, {r3, 0x2}, {r3}], 0x6, 0x1) ioctl$KVM_IRQFD(r2, 0x4020ae76, &(0x7f0000000000)={r0, 0x101, 0xe2f, r4}) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000000040)={0x4, 0x3, 0x2000, 0x2000, &(0x7f0000553000/0x2000)=nil}) 12:40:40 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3, 0x4}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 552.018439] block nbd1: Receive control failed (result -32) [ 552.041706] block nbd1: Device being setup by another task [ 552.047950] block nbd1: shutting down sockets 12:40:40 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0xff}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:40 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x5, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:40 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3, 0x5}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 552.221909] block nbd5: shutting down sockets 12:40:40 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x7, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:40 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3, 0x6}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 552.300889] block nbd5: shutting down sockets 12:40:40 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:41 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab08, 0x0) 12:40:41 executing program 3: perf_event_open(&(0x7f00000000c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x82, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) futex(&(0x7f0000000000), 0x9, 0x1, &(0x7f0000000040)={0x77359400}, &(0x7f0000000080), 0x2) 12:40:41 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3, 0x7}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:41 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x4304c2) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) ioctl$FIDEDUPERANGE(0xffffffffffffffff, 0xc0189436, &(0x7f00000000c0)={0x0, 0x0, 0x1, 0x0, 0x0, [{{r4}, 0xffff}]}) 12:40:41 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x2}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:41 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x9, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 552.949438] block nbd1: Receive control failed (result -32) [ 552.971661] block nbd1: Device being setup by another task [ 552.980610] block nbd1: shutting down sockets 12:40:41 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0xb, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:41 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x3}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:41 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) eventfd(0x1) poll(&(0x7f00000001c0), 0x0, 0x0) r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) r2 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r0, 0x8}, {r1, 0x3089}, {r0, 0x4000}, {r2, 0x8000}, {r0, 0x2}, {r0}], 0x6, 0x1) ioctl$KVM_IOEVENTFD(0xffffffffffffffff, 0x4040ae79, &(0x7f0000000040)={0xd000, &(0x7f0000000000), 0x1, r1, 0x5}) 12:40:41 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3, 0x9}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 553.178785] block nbd1: NBD_DISCONNECT 12:40:41 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x29, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:41 executing program 3: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x2400, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = openat$cuse(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0) ioctl$BTRFS_IOC_SNAP_CREATE(r0, 0x50009401, &(0x7f0000000200)={{r1}, "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"}) r2 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r2}, {}], 0x2, 0x1) r3 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='memory.events\x00', 0x0, 0x0) fcntl$setlease(r3, 0x400, 0x1) [ 553.895009] block nbd5: Receive control failed (result -32) [ 553.901072] block nbd1: Disconnected due to user request. [ 553.921993] block nbd5: Device being setup by another task [ 553.929167] block nbd5: shutting down sockets [ 553.933973] block nbd1: Device being setup by another task 12:40:42 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab09, 0x0) 12:40:42 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3, 0xa}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:42 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x4}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:42 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x2b, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:42 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) r2 = dup(r0) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000000), 0x4000, 0x0) ioctl$KVM_HYPERV_EVENTFD(r2, 0x4018aebd, &(0x7f0000000040)={0x4, r3}) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) getsockopt$ARPT_SO_GET_ENTRIES(0xffffffffffffffff, 0x0, 0x61, &(0x7f0000000080)={'filter\x00', 0x3e, "b5429c353094cee592e6a4947765025472955a9508ead2e22900c4ba5219c2eafdf5a7fea7570c339323dcb0053d7b40db69de8358bf0ebc4c698b384768"}, &(0x7f0000000100)=0x62) 12:40:42 executing program 5: syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r0 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) [ 553.948168] block nbd1: NBD_DISCONNECT [ 553.952163] block nbd1: Send disconnect failed -32 12:40:42 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3, 0x11}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:42 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x5}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:42 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x2c, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:42 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'ip6_vti0\x00'}) sendmsg$IPCTNL_MSG_CT_NEW(0xffffffffffffffff, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x200000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x78, 0x0, 0x1, 0x201, 0x0, 0x0, {0xc, 0x0, 0x3}, [@CTA_SEQ_ADJ_ORIG={0x4c, 0xf, 0x0, 0x1, [@CTA_SEQADJ_OFFSET_AFTER={0x8, 0x3, 0x1, 0x0, 0x400}, @CTA_SEQADJ_OFFSET_AFTER={0x8, 0x3, 0x1, 0x0, 0x10001}, @CTA_SEQADJ_OFFSET_BEFORE={0x8, 0x2, 0x1, 0x0, 0xae85}, @CTA_SEQADJ_OFFSET_BEFORE={0x8, 0x2, 0x1, 0x0, 0x1156}, @CTA_SEQADJ_OFFSET_AFTER={0x8, 0x3, 0x1, 0x0, 0xfff}, @CTA_SEQADJ_CORRECTION_POS={0x8, 0x1, 0x1, 0x0, 0x81}, @CTA_SEQADJ_OFFSET_AFTER={0x8, 0x3, 0x1, 0x0, 0x1ff}, @CTA_SEQADJ_OFFSET_AFTER={0x8, 0x3, 0x1, 0x0, 0x9}, @CTA_SEQADJ_OFFSET_BEFORE={0x8, 0x2, 0x1, 0x0, 0x4}]}, @CTA_MARK={0x8}, @CTA_MARK_MASK={0x8, 0x15, 0x1, 0x0, 0x3}, @CTA_TIMEOUT={0x8, 0x7, 0x1, 0x0, 0x80000000}]}, 0x78}, 0x1, 0x0, 0x0, 0x4000045}, 0x40008) 12:40:42 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3, 0x7c}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:42 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x6}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 554.863097] block nbd5: Receive control failed (result -32) [ 554.900541] block nbd1: Receive control failed (result -32) [ 554.901857] block nbd5: Device being setup by another task [ 554.906944] block nbd1: shutting down sockets [ 554.921513] block nbd5: shutting down sockets 12:40:43 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab0a, 0x0) 12:40:43 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x2f, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:43 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3, 0xff}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:43 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x2, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x10400, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x1, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x200}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:43 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x7}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x30000) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 554.953652] block nbd1: Receive control failed (result -32) [ 554.954199] block nbd1: shutting down sockets 12:40:43 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x9}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:43 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x2, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 555.125557] block nbd5: shutting down sockets 12:40:43 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x33, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:43 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r2 = eventfd(0x1) r3 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r3, 0x0) preadv(r3, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{0xffffffffffffffff, 0x8}, {r2, 0x3089}, {0xffffffffffffffff, 0x4000}, {r3, 0x8000}, {0xffffffffffffffff, 0x2}, {}], 0x6, 0x1) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r5 = eventfd(0x1) r6 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r4, 0x8}, {r5, 0x3089}, {r4, 0x4000}, {r6, 0x8000}, {r4, 0x2}, {r4}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r6, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) r7 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r7, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) r8 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r8, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) io_submit(0x0, 0x7, &(0x7f0000000740)=[&(0x7f0000000100)={0x0, 0x0, 0x0, 0x8, 0x4e, r0, &(0x7f0000000000)="5cf918a81674b7bd177bfbe700518239838bcf3b1ccf163d2f4df598cb2c33688ab385413a22ff00783b3e148a524bba6b1ccd696f8272b135bceb0c3b69fa5130c9de17dd94957e3bede6d60569138a8d5614a1b72bb33dcc6f3b5e473dd422de7a675c46a25919aa1f5cfed816c2b6012db2f8b266a5f4b223c88353e1b7ab57d32ffbd9be2c130c87bcf1cd2d7442f18ede56f01aff29c47683b02ade2d2ddb3dd04791b8f83acc611bbf1d4038e6d266fb7da5765f75684c301ab63891039fc9b212a9611da393e1ccec7f6ccd7544a931bd506eba2e7baacfe3b985fdd5bcc7c00fd50567f66df61643f0dd143f", 0xf0, 0x4, 0x0, 0x0, r1}, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x3, 0xf000, 0xffffffffffffffff, &(0x7f0000000200)="20d52a7b6a036b2fe714f1720b031a44fa194fe6c8d136a1177a5efc1a9866578a9b107af6bfe4aae2bb0e0ba3257eafc2e1fd0e965231d69a7460612d1c8c8eef7d59c1c7af4379f0ccb836315e5b3653d05a019bfb47a96ab36aa1b80c3a2bde636bf96186fdae3cc7aea62c3d8cf512357c73457283bfacc173b8e112e366e484d1b5f477a4b01a4c1d090b8c09b8ddac21c0af8d0988b11ea3260b42af66b00fc249dcada46a424ffb9fa73edf6518841af968517c24c787063fc792", 0xbe, 0xffff, 0x0, 0x3, r2}, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x3, r1, &(0x7f00000002c0)="05b7a45b45e3adee34e04fa2a96feea8dbc4ed5d6eac84cd8ee3802cae49c1d60ca345f5596fd8dfe2ab3705bfbdecadd495143b571c94eb40d83da6385cd88560af24d46479cc576ef98baa29b168ebbb9a3128023a72c16c93b0d6e629c0548e8303b3b755dfe564317448b78c326f09fa1eb037fca7a0c2289d81251b95d51a11e731e06bc8ff2c3bfba8d27b946c2d2b6f7d40b17c18e4cff3fdb072d08dfedc39", 0xa3, 0x8, 0x0, 0x2, r6}, &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x8, r1, &(0x7f0000000380)="f1599ad9d8f027e18d310015c0c03f07f1339864bfed62d3e579b1898f68a90c0a46679bec74a534268c9f6e23c6b123a07f9d34731942b671e41b54d1047bcca49aa90ffc03b3d2c7314e14e6691d472bad5bc34661a696c1bc1f0ee9c441fdc59f1e956067363935cabef05d8f7113de89f5ba5f8684d1807f193b649de8615ca5d9f3597c496866d3064e7ab98e7af4384b091394d9bf1c3fc2a248e902a09e401a0a3a608246bf56c3a7f2194f902b3332961d845fb926ef03bac86a8e67b2a7585039995067ce75bc5ef8c9b963", 0xd0, 0x6, 0x0, 0x2, r1}, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x2, 0xf75, r7, &(0x7f00000004c0)="ba6fe0ff77817c3ef79c9551fa38bf333dea0d4d74004ba91221da9ff43da86cea52b526ad43c70384fa9542f09eed0f4487de95a4ba66104f7804a870758e528aa968c281cfdf7bb814af8ae760002450fa6189ed032191258673c6f575a4bb961d2b3a26ded185839c788d19edb90496f7819942c69775899153b0b613e072d09cff45c59a1222b02060ae330f751ff0b1e85b2e6a0f86ef77f297ed66dd896f1ec377530dceaf072701b0cd85dd05a54ad5198b12e9a2fcc97efbb21a85e765f8c97e142e715554fb09a38a23b923159e1ff111da85d9fe25cdc383f62e1019bae7adee898bbf6013329f54c6d5cf3f1d4fe2f65c15", 0xf7, 0xffffffff}, &(0x7f0000000680)={0x0, 0x0, 0x0, 0x8, 0x7f, 0xffffffffffffffff, &(0x7f0000000600)="02a0874f5c4f4fe429bc38cf8f808825f131b36d0808242ebccf2fa7e3e8cbc7a3886fbb9bdafdcbfa5d220b027e0f04d8363a6e8fc5a6c31c4d6ffcf9e4d9d1c65add63f39b8061a764d23cb0deab379ef1e498623a57a78aa1cfbe0cb10fb7fce74e2d3136c12c2668d8e05dcb97bfe5e8c37ef730e3", 0x77, 0x2, 0x0, 0x1, r1}, &(0x7f0000000700)={0x0, 0x0, 0x0, 0x8, 0x3, r8, &(0x7f00000006c0)="bb1cf441acedbdf49568a96be6ed7bfc366c5e60df43ce66ab071d94b6f59fbe215b4f66a19e5654626712e56924c5e938", 0x31, 0xcdae, 0x0, 0x3, r1}]) [ 555.172617] block nbd5: shutting down sockets 12:40:43 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x2}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x4e, &(0x7f0000000140)=0x33c707, 0x4) r4 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_ports\x00', 0x2, 0x0) ioctl$BLKRESETZONE(r4, 0x40101283, &(0x7f0000000100)={0xbe8, 0xffffffffffff7fff}) 12:40:43 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0xa}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 555.448669] block nbd5: shutting down sockets [ 555.888461] block nbd1: Receive control failed (result -32) 12:40:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x40049409, 0x0) 12:40:44 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x4, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:44 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x3a, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:44 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x4000000}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:44 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0xe}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x80, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x6, 0xd9}, 0x44}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r5 = eventfd(0x1) r6 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r4, 0x8}, {r5, 0x3089}, {r4, 0x4000}, {r6, 0x8000}, {r4, 0x2}, {r4}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r6, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$NBD_CLEAR_SOCK(r6, 0xab04) [ 555.932060] block nbd1: shutting down sockets 12:40:44 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x6, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:44 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x3b, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:44 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x11}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:44 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r1 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_QUERY_BPF(r1, 0xc008240a, &(0x7f0000000200)=ANY=[@ANYBLOB="00050000000000009df9dca6462220b12c3eed8d5469e10a6edb9e07442697ebff40d984c2ea45b9db9bdc811825ac5c83f0ec5df6b282de06432cc9782a00f6c144f4f1dc6beb0aba54cd03e890504b4ef066723e8c920f888d21fa81b31ab87d0ea231266de37ecdc130a5af067ac07f6456d3f05b26656097fc3343d3943d6e6838761a3c4ba5850de2dcb63523577fd1af30cafb69a694002d18d6f8f33609ee9e3f48e29b2c3fc500a1a410985511559fe519e63aafd73c786eb48197a5264ec2f98256a956e74a964d4763644eb2f0e1114e114fd061b727f7ade1c4ad695bc5be0d8d0c"]) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x2400, 0x200) fcntl$setlease(r0, 0x400, 0x2) preadv(0xffffffffffffffff, &(0x7f0000000380)=[{&(0x7f0000000000)=""/247, 0xf7}, {&(0x7f0000000300)=""/121, 0x79}, {&(0x7f0000000180)=""/39, 0x27}], 0x3, 0x78cd2257, 0xffff) [ 556.114530] block nbd5: shutting down sockets 12:40:44 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x9, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:44 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x3c, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 556.222839] block nbd5: shutting down sockets 12:40:44 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x40081271, 0x0) 12:40:44 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x60}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:44 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_DO_IT(r0, 0xab03) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x10000) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = openat$nullb(0xffffffffffffff9c, &(0x7f00000000c0), 0x290000, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r5 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x2, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0xc880, 0x4000}, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0x0) r6 = eventfd(0x1) r7 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r7, 0x0) preadv(r7, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r5, 0x8}, {r6, 0x3089}, {r5, 0x4000}, {r7, 0x8000}, {r5, 0x2}, {r5}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r7, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$NBD_SET_FLAGS(r7, 0xab0a, 0x1) 12:40:44 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) r1 = getpgid(0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r1, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 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, 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$PERF_EVENT_IOC_QUERY_BPF(r2, 0xc008240a, &(0x7f0000000000)={0x500}) perf_event_open(&(0x7f0000000040)={0x3, 0x80, 0xf9, 0xae, 0x7, 0x9, 0x0, 0x800, 0x4800e, 0x3, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0xb5f, 0x0, @perf_bp={&(0x7f0000000000), 0xe}, 0x100, 0x5, 0x1, 0x1, 0x161c, 0x9, 0x52eb, 0x0, 0x80000000, 0x0, 0x3}, r1, 0xf, r2, 0x8) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:44 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0xb, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:44 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x74, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 556.853811] block nbd1: Receive control failed (result -32) [ 556.857632] block nbd1: shutting down sockets [ 556.891648] block nbd1: Device being setup by another task 12:40:45 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x2}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:45 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x7b, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:45 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r2, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f00000000c0)=ANY=[@ANYBLOB="14000000020200010000000000a5dd60f5b608000000000000001092c7701d4a30009295ab196af54094aac60ece0a4d364c11e73f9ca712ed844e3df4a17493fd3e881c5b36f4daddda3440123a09e096d755fa64a86f75a53611e95257ee89a0f74eb0fbb8876276308fa1cd6257c3b9c8692fb5bedc9d3c", @ANYRESOCT], 0x14}, 0x1, 0x0, 0x0, 0x20000065}, 0x0) poll(&(0x7f0000000000)=[{r1}, {r0}, {r2, 0x84c0}], 0x3, 0x1) 12:40:45 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x7c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 557.112070] block nbd5: shutting down sockets 12:40:45 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x4}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:45 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 557.246385] block nbd5: shutting down sockets [ 557.271365] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:45 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x40101283, 0x0) 12:40:45 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) r1 = openat(0xffffffffffffffff, &(0x7f0000000000)='./file0\x00', 0x101000, 0xa0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0) dup(r2) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r3, 0xae60) ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x0) ioctl$KVM_IOEVENTFD(r3, 0x4040ae79, &(0x7f00000000c0)={0x0, &(0x7f0000000080), 0x8, r1, 0x2}) read$eventfd(r1, &(0x7f0000000040), 0x8) 12:40:45 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0xff}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:45 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x6}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:45 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x2, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:45 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat$ocfs2_control(0xffffffffffffff9c, &(0x7f0000000100), 0x14081, 0x0) r5 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000200), 0x42200, 0x0) ioctl$NBD_SET_SOCK(0xffffffffffffffff, 0xab00, r5) r6 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000300)='freezer.parent_freezing\x00', 0x0, 0x0) r7 = openat(r4, &(0x7f0000000140)='./file0\x00', 0x2840, 0x2f) ioctl$NBD_DO_IT(r7, 0xab03) ioctl$sock_ipv6_tunnel_SIOCGETPRL(r6, 0x89f4, &(0x7f0000000240)={'syztnl0\x00', &(0x7f0000000340)={'syztnl2\x00', 0x0, 0x4, 0xff, 0x8, 0x0, 0x48, @remote, @mcast1, 0x3e7, 0x7800, 0x10001, 0xfb}}) ioctl$NBD_SET_SOCK(r1, 0xab00, r7) r8 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000180), 0x82300, 0x0) sendmsg$nl_route(r8, &(0x7f00000001c0)={&(0x7f00000000c0), 0xc, &(0x7f0000000280)={&(0x7f0000000480)=ANY=[@ANYRESOCT], 0x134}}, 0x4000000) ioctl$NBD_SET_BLKSIZE(0xffffffffffffffff, 0xab01, 0x3) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 557.845854] block nbd1: Receive control failed (result -32) [ 557.847876] block nbd1: shutting down sockets [ 557.881704] block nbd1: Device being setup by another task 12:40:46 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x9}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 557.972415] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:46 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:46 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x3, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 558.096966] block nbd5: shutting down sockets 12:40:46 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x8, 0x2, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0x0, 0x465}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:46 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 558.235218] block nbd5: shutting down sockets 12:40:46 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0xb}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 558.276486] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:46 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x401070c9, 0x0) 12:40:46 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) mmap(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x2, 0x4082090, r4, 0x59393000) 12:40:46 executing program 3: ioctl$sock_SIOCDELRT(0xffffffffffffffff, 0x890c, &(0x7f0000000040)={0x0, @ax25={0x3, @default}, @sco, @tipc=@id={0x1e, 0x3, 0x1, {0x4e22, 0x1}}, 0x7, 0x0, 0x0, 0x0, 0x7325, &(0x7f0000000000)='bond_slave_1\x00', 0x4, 0xab, 0x8}) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x11018, 0x0, 0x0, 0x5, 0x0, 0x20}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r0}, {}], 0x2, 0x1) 12:40:46 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:46 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x4, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:46 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 558.799514] block nbd1: Receive control failed (result -32) [ 558.805596] block nbd1: shutting down sockets [ 558.832016] block nbd1: Could not allocate knbd recv work queue. [ 558.838317] block nbd1: shutting down sockets [ 558.930128] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:47 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000000)={0x5, 0x80, 0x1, 0x3, 0x52, 0xe6, 0x0, 0x7, 0x48802, 0x5, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0xfffffffa, 0x0, @perf_config_ext={0x100, 0x6}, 0x80, 0x8, 0x3f, 0x2, 0x3, 0x6, 0xa9a, 0x0, 0x80, 0x0, 0x5}, 0x0, 0xffffffffffffffff, r0, 0x2) r1 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) 12:40:47 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3, 0x2}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:47 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x4}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:47 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x5, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 559.053847] block nbd5: shutting down sockets 12:40:47 executing program 3: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$NBD_SET_SIZE_BLOCKS(r1, 0xab07, 0x9f70) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) perf_event_open(&(0x7f0000000140)={0x4, 0x80, 0xff, 0x5, 0x20, 0x9, 0x0, 0x7ff, 0xaa8, 0x2, 0x1, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x2, @perf_bp={&(0x7f0000000100), 0x6}, 0x10000, 0x4, 0xffff, 0x5, 0x7, 0x80, 0x8f, 0x0, 0xd83b, 0x0, 0xfff}, 0x0, 0xc, 0xffffffffffffffff, 0x4) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r3 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000000c0), 0x351281, 0x0) ioctl$NBD_CLEAR_SOCK(r3, 0xab04) 12:40:47 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 559.114054] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 559.153875] block nbd5: shutting down sockets [ 559.264764] block nbd3: shutting down sockets 12:40:47 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x401070ca, 0x0) 12:40:47 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x5}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:47 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) ioctl$NBD_DO_IT(r3, 0xab03) r5 = openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0x40, 0x0) r6 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 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, 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$PERF_EVENT_IOC_QUERY_BPF(r6, 0xc008240a, &(0x7f0000000000)={0x500}) perf_event_open$cgroup(&(0x7f0000000140)={0x2, 0x80, 0x20, 0x0, 0x3, 0x6, 0x0, 0x9, 0x40, 0x5, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x6, 0x4, @perf_bp={&(0x7f0000000100), 0xe}, 0x1890c, 0x5, 0xb42, 0x3, 0x1, 0x4, 0x400, 0x0, 0x80, 0x0, 0xffffffff}, r5, 0xf, r6, 0x1d) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:47 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x6, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:47 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3, 0x4}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:47 executing program 3: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) poll(&(0x7f00000001c0)=[{r1}, {}], 0x2, 0x1) r2 = memfd_create(&(0x7f0000000040)='+\x8b\x8a\x16\x11O\xdd\xdfk(F\x99\xdf\x92\xd5>oJ\x02u\x9b\xafa\xac', 0x3) fcntl$addseals(r2, 0x409, 0x8) io_setup(0x4, &(0x7f0000000080)=0x0) io_submit(r3, 0x1, &(0x7f0000001280)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000000080)="14", 0x1}]) r4 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r4, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) r5 = openat$incfs(0xffffffffffffff9c, &(0x7f0000000200)='.pending_reads\x00', 0x84000, 0x42) r6 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r7 = eventfd(0x1) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, 0xffffffffffffffff, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r6, 0x8}, {r7, 0x3089}, {r6, 0x4000}, {0xffffffffffffffff, 0x8000}, {r6, 0x2}, {r6}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(0xffffffffffffffff, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) io_submit(r3, 0x4, &(0x7f0000000400)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x8, 0x7fff, r4, &(0x7f0000000000)="2fcb343595a25074177ddf68050ee294a689a4523f65e7d853f127e2bbc8941493aaff957526edcd3b8a9d9545bedb9b621d4cc71d417f380f2fb9f4de6d8a65fa046d8ce30a238ae7b044c4e43a2f70ededc92463594ca729e10b0dce52e13777ce908ec5abdbc5f46c2318be23c2ed1dcab304f374ddcba4ab154204ecee730caf71110d292d07bd44e4d589653351a8161d61aa477256beb7f15129fea631c128359c25b415ac5370604632b43a6f", 0xb0, 0x5, 0x0, 0x2, r1}, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x3, 0x101, r0, &(0x7f0000000100)="d89e310ab1776513b914a6d4057f5c258a081ca1090226c4590612d06bf01f2151e6983f4998274c569726cb185774dc9353ac9917ed4db48df96715b2997002333b7099f9f02ae501ae8900d9c4a3dcb760157f5d8f3a54f6eb9f8cc71d70e6bef5aefe678275d4a49bf812d7376b2f0be51694708eb8a02cae58ee31723789f835371162e9e2bdbd922a8e", 0x8c, 0x1ff, 0x0, 0x2, r5}, &(0x7f0000000300)={0x0, 0x0, 0x0, 0x8, 0xfff9, r1, &(0x7f0000000280)="9b5d1333af0d07bb58ac69e67ce6ba933599201b95fd304d55fdb33262d8af12c5a396565719751c2b5c66973d6ff6ea6219a27531f92fdd334fefc4d35fb1d32a31f0fdbff1a138ba413f6b86c8f94c", 0x50, 0x80000000, 0x0, 0x2}, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x8, 0x8, r1, &(0x7f0000000340)="8e3871408d804b701f3c7181024da444a44cf84015023c5d9e6c41ba72ebb32458c65b803cd88fafb19e12500f8894c0efe1c29464ec6c951396e3142f064d9d9f529d98b39f73", 0x47, 0x5, 0x0, 0x2, r1}]) [ 559.770230] block nbd1: Receive control failed (result -32) [ 559.772354] block nbd1: shutting down sockets [ 559.791719] block nbd1: Device being setup by another task [ 559.877316] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:47 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x6}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:48 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3, 0x5}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:48 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x7, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:48 executing program 3 (fault-call:0 fault-nth:0): syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 560.015562] block nbd5: shutting down sockets 12:40:48 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x7}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:48 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x9}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 560.076465] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 560.097704] FAULT_INJECTION: forcing a failure. [ 560.097704] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 560.162219] block nbd5: Receive control failed (result -32) [ 560.168454] block nbd5: shutting down sockets [ 560.198615] CPU: 1 PID: 30763 Comm: syz-executor.3 Not tainted 4.19.196-syzkaller #0 [ 560.206549] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 560.215914] Call Trace: [ 560.218515] dump_stack+0x1fc/0x2ef [ 560.222156] should_fail.cold+0xa/0xf [ 560.225969] ? setup_fault_attr+0x200/0x200 [ 560.230330] ? get_page_from_freelist+0x1d60/0x4170 [ 560.235361] __alloc_pages_nodemask+0x239/0x2890 [ 560.240134] ? __lock_acquire+0x6de/0x3ff0 [ 560.244386] ? preempt_count_add+0xaf/0x190 [ 560.248738] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 560.253617] ? mark_held_locks+0xf0/0xf0 [ 560.257706] ? __lock_acquire+0x6de/0x3ff0 [ 560.261962] ? tun_build_skb+0x1e0/0x1960 [ 560.266150] alloc_pages_current+0x193/0x2a0 [ 560.270575] skb_page_frag_refill+0x258/0x550 [ 560.275171] tun_build_skb+0x25e/0x1960 [ 560.279161] ? __lock_acquire+0x6de/0x3ff0 [ 560.283406] ? tun_xdp_xmit+0x7c0/0x7c0 [ 560.287395] ? __lock_acquire+0x6de/0x3ff0 [ 560.291765] ? mark_held_locks+0xf0/0xf0 [ 560.295846] tun_get_user+0x846/0x4f40 [ 560.299753] ? check_preemption_disabled+0x41/0x280 [ 560.304786] ? tun_chr_read_iter+0x250/0x250 [ 560.309229] ? aa_file_perm+0x417/0xd20 [ 560.313241] ? lock_downgrade+0x720/0x720 [ 560.317396] ? check_preemption_disabled+0x41/0x280 [ 560.322445] ? check_preemption_disabled+0x41/0x280 [ 560.327451] tun_chr_write_iter+0xdb/0x1d0 [ 560.331771] __vfs_write+0x51b/0x770 [ 560.335488] ? kernel_read+0x110/0x110 [ 560.339387] ? security_file_permission+0x1c0/0x220 [ 560.344412] vfs_write+0x1f3/0x540 [ 560.347941] ksys_write+0x12b/0x2a0 [ 560.351556] ? __ia32_sys_read+0xb0/0xb0 [ 560.355632] ? trace_hardirqs_off_caller+0x6e/0x210 [ 560.360637] ? do_syscall_64+0x21/0x620 [ 560.364608] do_syscall_64+0xf9/0x620 [ 560.368395] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 560.373568] RIP: 0033:0x4192bf [ 560.376745] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 560.395629] RSP: 002b:00007fd0dbe07150 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 560.403321] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004192bf [ 560.410582] RDX: 000000000000008a RSI: 0000000020000200 RDI: 00000000000000f0 [ 560.417941] RBP: 00007fd0dbe071d0 R08: 0000000000000000 R09: 0000000000000000 [ 560.425196] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 560.432489] R13: 00007fff7851e8cf R14: 00007fd0dbe07300 R15: 0000000000022000 [ 560.736720] block nbd1: Receive control failed (result -32) [ 560.742926] block nbd1: shutting down sockets 12:40:48 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x401070cd, 0x0) 12:40:48 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3, 0x6}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:48 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x8, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:48 executing program 5: ioctl$FS_IOC_MEASURE_VERITY(0xffffffffffffffff, 0xc0046686, &(0x7f0000000980)={0x3, 0x1000, "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"}) r0 = openat$apparmor_task_current(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) sendfile(r0, r1, &(0x7f0000000100)=0x8, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r3 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r3, 0xab00, r4) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r2, 0xab04) 12:40:48 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xa}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:48 executing program 3 (fault-call:0 fault-nth:1): syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 560.782247] block nbd1: Could not allocate knbd recv work queue. [ 560.788658] block nbd1: shutting down sockets 12:40:48 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3, 0x7}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 560.899885] FAULT_INJECTION: forcing a failure. [ 560.899885] name failslab, interval 1, probability 0, space 0, times 0 [ 560.910747] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 560.911202] CPU: 1 PID: 30793 Comm: syz-executor.3 Not tainted 4.19.196-syzkaller #0 [ 560.929337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 560.938692] Call Trace: [ 560.941293] dump_stack+0x1fc/0x2ef [ 560.945197] should_fail.cold+0xa/0xf 12:40:49 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x9, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 560.949006] ? __might_fault+0x11f/0x1d0 [ 560.953076] ? setup_fault_attr+0x200/0x200 [ 560.957406] ? lock_downgrade+0x720/0x720 [ 560.961558] ? lock_acquire+0x170/0x3c0 [ 560.965544] __should_failslab+0x115/0x180 [ 560.969788] should_failslab+0x5/0x10 [ 560.973625] kmem_cache_alloc+0x3f/0x370 [ 560.977700] __build_skb+0x39/0x300 [ 560.981337] build_skb+0x1c/0x190 [ 560.984831] tun_build_skb+0x51b/0x1960 [ 560.988849] ? tun_xdp_xmit+0x7c0/0x7c0 [ 560.992872] ? __lock_acquire+0x6de/0x3ff0 [ 560.997138] ? mark_held_locks+0xf0/0xf0 [ 561.001213] tun_get_user+0x846/0x4f40 [ 561.005122] ? check_preemption_disabled+0x41/0x280 [ 561.010155] ? tun_chr_read_iter+0x250/0x250 [ 561.014602] ? aa_file_perm+0x417/0xd20 [ 561.018597] ? lock_downgrade+0x720/0x720 [ 561.022754] ? check_preemption_disabled+0x41/0x280 [ 561.027054] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 561.027806] ? check_preemption_disabled+0x41/0x280 [ 561.027831] tun_chr_write_iter+0xdb/0x1d0 12:40:49 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x11, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 561.027849] __vfs_write+0x51b/0x770 [ 561.027865] ? kernel_read+0x110/0x110 [ 561.055047] ? security_file_permission+0x1c0/0x220 [ 561.060086] vfs_write+0x1f3/0x540 [ 561.063643] ksys_write+0x12b/0x2a0 [ 561.067307] ? __ia32_sys_read+0xb0/0xb0 [ 561.071379] ? trace_hardirqs_off_caller+0x6e/0x210 [ 561.076403] ? do_syscall_64+0x21/0x620 [ 561.080415] do_syscall_64+0xf9/0x620 [ 561.084227] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 561.089418] RIP: 0033:0x4192bf 12:40:49 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 561.092613] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 561.111604] RSP: 002b:00007fd0dbe07150 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 561.119318] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004192bf [ 561.126591] RDX: 000000000000008a RSI: 0000000020000200 RDI: 00000000000000f0 [ 561.133898] RBP: 00007fd0dbe071d0 R08: 0000000000000000 R09: 0000000000000000 [ 561.141170] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 12:40:49 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3, 0x9}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 561.145015] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 561.148462] R13: 00007fff7851e8cf R14: 00007fd0dbe07300 R15: 0000000000022000 12:40:49 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3, 0xa}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 561.206755] block nbd5: shutting down sockets [ 561.261747] block nbd5: shutting down sockets 12:40:49 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x401870c8, 0x0) 12:40:49 executing program 3 (fault-call:0 fault-nth:2): syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:49 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x48, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:49 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x11}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:49 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3, 0x11}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:49 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10000, 0x0, 0xc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0, 0xa}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8a}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) perf_event_open(&(0x7f0000000100)={0x3, 0x80, 0x20, 0x7f, 0x3, 0x1, 0x0, 0x9, 0x0, 0xd, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x9, 0x4, @perf_bp={&(0x7f00000000c0), 0x2}, 0x10000, 0x6, 0x557a, 0x2, 0x90ea, 0x7ff, 0x56e, 0x0, 0x1, 0x0, 0x400000008000}, 0x0, 0x9, 0xffffffffffffffff, 0x2) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 561.718718] block nbd1: Receive control failed (result -32) [ 561.720710] block nbd1: shutting down sockets [ 561.751682] block nbd1: Device being setup by another task [ 561.836512] FAULT_INJECTION: forcing a failure. [ 561.836512] name failslab, interval 1, probability 0, space 0, times 0 [ 561.847889] CPU: 1 PID: 30841 Comm: syz-executor.3 Not tainted 4.19.196-syzkaller #0 [ 561.856558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 561.865907] Call Trace: [ 561.868504] dump_stack+0x1fc/0x2ef [ 561.872182] should_fail.cold+0xa/0xf [ 561.875993] ? setup_fault_attr+0x200/0x200 [ 561.880326] ? lock_downgrade+0x720/0x720 12:40:49 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3, 0x7c}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:49 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x60}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 561.884565] __should_failslab+0x115/0x180 [ 561.888809] should_failslab+0x5/0x10 [ 561.892636] kmem_cache_alloc+0x3f/0x370 [ 561.896707] __nf_conntrack_alloc+0xda/0x5e0 [ 561.901127] init_conntrack+0xf06/0x1280 [ 561.905228] ? nf_conntrack_alloc+0x40/0x40 [ 561.909562] ? hash_conntrack_raw+0x2d6/0x460 [ 561.914065] ? nf_ct_gc_expired+0x300/0x300 [ 561.918400] nf_conntrack_in+0x931/0xe20 [ 561.922503] ? init_conntrack+0x1280/0x1280 [ 561.926834] ? ip6t_alloc_initial_table+0x676/0x6a0 [ 561.931858] ? lock_downgrade+0x720/0x720 [ 561.936044] ? ipv6_defrag+0x25e/0x3e0 [ 561.939962] nf_hook_slow+0xc5/0x1e0 [ 561.943740] ipv6_rcv+0x26a/0x3f0 [ 561.947241] ? ip6_sublist_rcv+0xbf0/0xbf0 [ 561.951487] ? ip6_rcv_finish_core.constprop.0.isra.0+0x550/0x550 [ 561.957735] ? netif_receive_skb_internal+0x1da/0x3f0 [ 561.962933] ? ip6_sublist_rcv+0xbf0/0xbf0 [ 561.967194] __netif_receive_skb_one_core+0x114/0x180 [ 561.972394] ? __netif_receive_skb_core+0x3270/0x3270 [ 561.977595] ? lock_acquire+0x170/0x3c0 [ 561.981574] ? netif_receive_skb_internal+0x6e/0x3f0 12:40:50 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x7c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 561.986708] __netif_receive_skb+0x27/0x1c0 [ 561.991036] netif_receive_skb_internal+0xf0/0x3f0 [ 561.995970] ? __netif_receive_skb+0x1c0/0x1c0 [ 562.000567] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 562.005595] tun_rx_batched.isra.0+0x472/0x740 [ 562.010189] ? tun_xdp+0x310/0x310 [ 562.013734] ? tun_get_user+0x2cda/0x4f40 [ 562.017932] ? lock_acquire+0x170/0x3c0 [ 562.021912] ? tun_get_user+0x2069/0x4f40 [ 562.026157] ? check_preemption_disabled+0x41/0x280 [ 562.031183] tun_get_user+0x2e29/0x4f40 12:40:50 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xff}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 562.035175] ? tun_chr_read_iter+0x250/0x250 [ 562.039610] ? aa_file_perm+0x417/0xd20 [ 562.043605] ? lock_downgrade+0x720/0x720 [ 562.047759] ? check_preemption_disabled+0x41/0x280 [ 562.052778] ? check_preemption_disabled+0x41/0x280 [ 562.057843] tun_chr_write_iter+0xdb/0x1d0 [ 562.062084] __vfs_write+0x51b/0x770 [ 562.066087] ? kernel_read+0x110/0x110 [ 562.069993] ? security_file_permission+0x1c0/0x220 [ 562.075023] vfs_write+0x1f3/0x540 [ 562.078576] ksys_write+0x12b/0x2a0 [ 562.082301] ? __ia32_sys_read+0xb0/0xb0 [ 562.086379] ? trace_hardirqs_off_caller+0x6e/0x210 [ 562.091405] ? do_syscall_64+0x21/0x620 [ 562.095390] do_syscall_64+0xf9/0x620 [ 562.099205] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 562.104402] RIP: 0033:0x4192bf [ 562.107600] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 562.126515] RSP: 002b:00007fd0dbe07150 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 12:40:50 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 562.134226] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004192bf [ 562.141501] RDX: 000000000000008a RSI: 0000000020000200 RDI: 00000000000000f0 [ 562.148775] RBP: 00007fd0dbe071d0 R08: 0000000000000000 R09: 0000000000000000 [ 562.156046] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 562.163318] R13: 00007fff7851e8cf R14: 00007fd0dbe07300 R15: 0000000000022000 12:40:50 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x4c, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 562.232211] block nbd1: shutting down sockets [ 562.241318] block nbd5: shutting down sockets [ 562.256224] block nbd1: Could not allocate knbd recv work queue. [ 562.266303] block nbd1: shutting down sockets 12:40:50 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x401870cb, 0x0) 12:40:50 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3, 0xff}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:50 executing program 3 (fault-call:0 fault-nth:3): syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:50 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x2, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 562.331660] block nbd5: shutting down sockets [ 562.346188] net_ratelimit: 2 callbacks suppressed [ 562.346201] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:50 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x2, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x8}, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 562.425961] FAULT_INJECTION: forcing a failure. [ 562.425961] name failslab, interval 1, probability 0, space 0, times 0 [ 562.437239] CPU: 1 PID: 30883 Comm: syz-executor.3 Not tainted 4.19.196-syzkaller #0 [ 562.445125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 562.454484] Call Trace: [ 562.457181] dump_stack+0x1fc/0x2ef [ 562.460857] should_fail.cold+0xa/0xf [ 562.464694] ? should_fail+0x142/0x7b0 [ 562.468590] ? setup_fault_attr+0x200/0x200 [ 562.472926] ? nf_ct_ext_add+0x257/0x620 [ 562.477062] __should_failslab+0x115/0x180 [ 562.481310] should_failslab+0x5/0x10 [ 562.485118] __kmalloc_track_caller+0x68/0x3c0 [ 562.489705] ? nf_ct_ext_add+0x299/0x620 [ 562.493775] nf_ct_ext_add+0x299/0x620 [ 562.497716] init_conntrack+0x470/0x1280 [ 562.501814] ? tcp_print_conntrack+0xf0/0xf0 [ 562.506259] ? nf_conntrack_alloc+0x40/0x40 [ 562.510592] ? hash_conntrack_raw+0x2d6/0x460 [ 562.515107] ? nf_ct_gc_expired+0x300/0x300 [ 562.519504] nf_conntrack_in+0x931/0xe20 [ 562.523590] ? init_conntrack+0x1280/0x1280 [ 562.528013] ? ip6t_alloc_initial_table+0x676/0x6a0 [ 562.533049] ? lock_downgrade+0x720/0x720 [ 562.537211] ? ipv6_defrag+0x25e/0x3e0 [ 562.541114] nf_hook_slow+0xc5/0x1e0 [ 562.544849] ipv6_rcv+0x26a/0x3f0 [ 562.548342] ? ip6_sublist_rcv+0xbf0/0xbf0 [ 562.552590] ? ip6_rcv_finish_core.constprop.0.isra.0+0x550/0x550 [ 562.558833] ? netif_receive_skb_internal+0x1da/0x3f0 [ 562.564093] ? ip6_sublist_rcv+0xbf0/0xbf0 [ 562.568331] __netif_receive_skb_one_core+0x114/0x180 12:40:50 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x3, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:50 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x60, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:50 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0xb, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 562.573549] ? __netif_receive_skb_core+0x3270/0x3270 [ 562.578787] ? lock_acquire+0x170/0x3c0 [ 562.582770] ? netif_receive_skb_internal+0x6e/0x3f0 [ 562.587914] __netif_receive_skb+0x27/0x1c0 [ 562.592245] netif_receive_skb_internal+0xf0/0x3f0 [ 562.597207] ? __netif_receive_skb+0x1c0/0x1c0 [ 562.601800] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 562.606851] tun_rx_batched.isra.0+0x472/0x740 [ 562.611441] ? tun_xdp+0x310/0x310 [ 562.614990] ? tun_get_user+0x2cda/0x4f40 [ 562.619173] ? lock_acquire+0x170/0x3c0 12:40:50 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "0b84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 562.623210] ? tun_get_user+0x2069/0x4f40 [ 562.627365] ? check_preemption_disabled+0x41/0x280 [ 562.632395] tun_get_user+0x2e29/0x4f40 [ 562.636387] ? tun_chr_read_iter+0x250/0x250 [ 562.638944] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 562.640816] ? aa_file_perm+0x417/0xd20 [ 562.640843] ? lock_downgrade+0x720/0x720 [ 562.640860] ? check_preemption_disabled+0x41/0x280 [ 562.640877] ? check_preemption_disabled+0x41/0x280 [ 562.640898] tun_chr_write_iter+0xdb/0x1d0 [ 562.640917] __vfs_write+0x51b/0x770 [ 562.677274] ? kernel_read+0x110/0x110 [ 562.681186] ? security_file_permission+0x1c0/0x220 [ 562.686220] vfs_write+0x1f3/0x540 [ 562.689859] ksys_write+0x12b/0x2a0 [ 562.693498] ? __ia32_sys_read+0xb0/0xb0 [ 562.697593] ? trace_hardirqs_off_caller+0x6e/0x210 [ 562.702621] ? do_syscall_64+0x21/0x620 [ 562.706603] do_syscall_64+0xf9/0x620 [ 562.710452] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 562.715685] RIP: 0033:0x4192bf 12:40:50 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x68, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 562.718885] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 562.737793] RSP: 002b:00007fd0dbe07150 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 562.745531] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004192bf [ 562.752826] RDX: 000000000000008a RSI: 0000000020000200 RDI: 00000000000000f0 [ 562.760097] RBP: 00007fd0dbe071d0 R08: 0000000000000000 R09: 0000000000000000 [ 562.767367] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 12:40:50 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b706676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 562.774637] R13: 00007fff7851e8cf R14: 00007fd0dbe07300 R15: 0000000000022000 [ 562.806644] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 562.824008] block nbd5: shutting down sockets 12:40:50 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x4, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 562.922579] block nbd5: Receive control failed (result -32) [ 562.923047] block nbd5: shutting down sockets 12:40:51 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x401870cc, 0x0) 12:40:51 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x6c, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:51 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b70b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:51 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x5, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:51 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r3 = creat(&(0x7f00000000c0)='./file0\x00', 0x20) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r5 = perf_event_open(&(0x7f0000000140)={0x0, 0x80, 0x0, 0x6, 0xb2, 0x80, 0x0, 0x3, 0x10200, 0x4, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x8, 0x4, @perf_bp={&(0x7f0000000100), 0x8}, 0x4, 0x4, 0x7fffffff, 0x6, 0x2, 0x3, 0x4, 0x0, 0x275, 0x0, 0x6}, 0xffffffffffffffff, 0x9, r3, 0x5) r6 = openat$hwrng(0xffffffffffffff9c, &(0x7f0000000200), 0x80040, 0x0) ioctl$NBD_SET_SIZE(r6, 0xab02, 0x3) ioctl$PERF_EVENT_IOC_SET_FILTER(r5, 0x40082406, &(0x7f00000001c0)='\xa3}-\'$#*([:!{-:\x00') syz_open_dev$ndb(&(0x7f0000000240), 0x0, 0xa0000) r7 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r7, 0x0) preadv(r7, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{0xffffffffffffffff, 0x8}, {0xffffffffffffffff, 0x3089}, {0xffffffffffffffff, 0x4000}, {r7, 0x8000}, {0xffffffffffffffff, 0x2}, {}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r7, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) openat(r7, &(0x7f0000000280)='./file0\x00', 0x100, 0x1) 12:40:51 executing program 3 (fault-call:0 fault-nth:4): syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 563.262152] block nbd1: Receive control failed (result -32) [ 563.263898] block nbd1: shutting down sockets [ 563.355538] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 563.372613] FAULT_INJECTION: forcing a failure. [ 563.372613] name failslab, interval 1, probability 0, space 0, times 0 [ 563.383906] CPU: 0 PID: 30940 Comm: syz-executor.3 Not tainted 4.19.196-syzkaller #0 [ 563.391793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 563.401154] Call Trace: [ 563.403783] dump_stack+0x1fc/0x2ef [ 563.407432] should_fail.cold+0xa/0xf [ 563.411245] ? setup_fault_attr+0x200/0x200 [ 563.415610] ? __rt6_find_exception_rcu+0x281/0x360 [ 563.420645] __should_failslab+0x115/0x180 [ 563.424897] should_failslab+0x5/0x10 [ 563.428707] kmem_cache_alloc+0x3f/0x370 [ 563.432802] ? ipv6_sysctl_rtcache_flush+0x110/0x110 [ 563.437914] dst_alloc+0x106/0x1a0 [ 563.441464] ip6_dst_alloc+0x2e/0x100 [ 563.445274] ip6_pol_route+0x781/0x1270 [ 563.449257] ? ip6_pol_route_lookup+0xe10/0xe10 [ 563.453951] fib6_rule_lookup+0x10b/0x4e0 [ 563.458107] ? ip6_pol_route+0x1270/0x1270 [ 563.462376] ? fib6_lookup+0x300/0x300 [ 563.466279] ? inet6_hash+0xa0/0xa0 [ 563.470072] ip6_route_input+0x709/0xa40 [ 563.474168] ? ip6_route_info_create+0x3800/0x3800 [ 563.479133] ? inet6_ehashfn+0x420/0x420 [ 563.483212] ? tcp_v6_early_demux+0x377/0x950 [ 563.487721] ip6_rcv_finish_core.constprop.0.isra.0+0xd7/0x550 [ 563.493727] ip6_rcv_finish+0x176/0x2f0 [ 563.497709] ipv6_rcv+0xf2/0x3f0 [ 563.501084] ? ip6_sublist_rcv+0xbf0/0xbf0 [ 563.505333] ? ip6_rcv_finish_core.constprop.0.isra.0+0x550/0x550 [ 563.511611] ? netif_receive_skb_internal+0x1da/0x3f0 [ 563.516826] ? ip6_sublist_rcv+0xbf0/0xbf0 [ 563.521071] __netif_receive_skb_one_core+0x114/0x180 [ 563.522763] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 563.526356] ? __netif_receive_skb_core+0x3270/0x3270 [ 563.526378] ? lock_acquire+0x170/0x3c0 [ 563.526392] ? netif_receive_skb_internal+0x6e/0x3f0 [ 563.526410] __netif_receive_skb+0x27/0x1c0 12:40:51 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x6, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:51 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x74, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 563.526426] netif_receive_skb_internal+0xf0/0x3f0 [ 563.526444] ? __netif_receive_skb+0x1c0/0x1c0 [ 563.564786] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 563.569817] tun_rx_batched.isra.0+0x472/0x740 [ 563.574449] ? tun_xdp+0x310/0x310 [ 563.577996] ? tun_get_user+0x2cda/0x4f40 [ 563.582157] ? lock_acquire+0x170/0x3c0 [ 563.586140] ? tun_get_user+0x2069/0x4f40 [ 563.590299] ? check_preemption_disabled+0x41/0x280 [ 563.595326] tun_get_user+0x2e29/0x4f40 [ 563.599350] ? tun_chr_read_iter+0x250/0x250 12:40:51 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b67620bcae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 563.603767] ? aa_file_perm+0x417/0xd20 [ 563.607762] ? lock_downgrade+0x720/0x720 [ 563.611916] ? check_preemption_disabled+0x41/0x280 [ 563.616961] ? check_preemption_disabled+0x41/0x280 [ 563.621986] tun_chr_write_iter+0xdb/0x1d0 [ 563.626234] __vfs_write+0x51b/0x770 [ 563.629982] ? kernel_read+0x110/0x110 [ 563.633896] ? security_file_permission+0x1c0/0x220 [ 563.638927] vfs_write+0x1f3/0x540 [ 563.642500] ksys_write+0x12b/0x2a0 [ 563.646138] ? __ia32_sys_read+0xb0/0xb0 [ 563.650209] ? trace_hardirqs_off_caller+0x6e/0x210 [ 563.655238] ? do_syscall_64+0x21/0x620 [ 563.659227] do_syscall_64+0xf9/0x620 [ 563.663046] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 563.668268] RIP: 0033:0x4192bf [ 563.671465] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 563.690373] RSP: 002b:00007fd0dbe07150 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 563.698133] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004192bf 12:40:51 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x7a, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 563.705421] RDX: 000000000000008a RSI: 0000000020000200 RDI: 00000000000000f0 [ 563.712685] RBP: 00007fd0dbe071d0 R08: 0000000000000000 R09: 0000000000000000 [ 563.720208] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 563.727463] R13: 00007fff7851e8cf R14: 00007fd0dbe07300 R15: 0000000000022000 12:40:51 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x7, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:51 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b6762198ae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 563.781364] block nbd5: shutting down sockets [ 563.805228] ieee802154 phy0 wpan0: encryption failed: -22 [ 563.811111] ieee802154 phy1 wpan1: encryption failed: -22 [ 563.851974] block nbd5: shutting down sockets [ 563.860588] block nbd5: Could not allocate knbd recv work queue. [ 563.869638] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:52 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x4020940d, 0x0) 12:40:52 executing program 3 (fault-call:0 fault-nth:5): syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:52 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x9, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:52 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xb, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_QUERY_BPF(r2, 0xc008240a, &(0x7f0000000000)={0x500}) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0xa, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x1, @perf_config_ext={0x1, 0x9}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffff, 0x0, 0x0, 0x0, 0x8001}, 0x0, 0xffffffffffffffff, r2, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:52 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x7c, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 564.172329] block nbd1: Receive control failed (result -32) [ 564.212359] block nbd1: shutting down sockets [ 564.310903] FAULT_INJECTION: forcing a failure. [ 564.310903] name failslab, interval 1, probability 0, space 0, times 0 [ 564.322426] CPU: 1 PID: 30993 Comm: syz-executor.3 Not tainted 4.19.196-syzkaller #0 [ 564.330324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 564.339676] Call Trace: [ 564.342271] dump_stack+0x1fc/0x2ef [ 564.345909] should_fail.cold+0xa/0xf [ 564.349719] ? setup_fault_attr+0x200/0x200 [ 564.350119] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 564.354043] ? mark_held_locks+0xf0/0xf0 [ 564.354060] ? setup_fault_attr+0x200/0x200 [ 564.354072] ? mark_held_locks+0xf0/0xf0 [ 564.354089] ? check_preemption_disabled+0x41/0x280 [ 564.354106] __should_failslab+0x115/0x180 [ 564.354127] should_failslab+0x5/0x10 [ 564.390037] kmem_cache_alloc_node_trace+0x57/0x3b0 [ 564.395064] __kmalloc_node_track_caller+0x38/0x70 [ 564.400003] __alloc_skb+0xae/0x560 [ 564.403642] tcp_v6_send_response+0x22d/0x1e20 [ 564.408235] ? mark_held_locks+0xf0/0xf0 [ 564.412310] ? tcp_v6_md5_hash_headers.isra.0+0x500/0x500 [ 564.417861] ? inet6_hash+0xa0/0xa0 [ 564.421685] ? lock_acquire+0x170/0x3c0 [ 564.425673] tcp_v6_send_reset+0x6a1/0xe70 [ 564.429925] ? tcp_v6_md5_hash_skb+0x4e0/0x4e0 [ 564.434517] ? memmove+0x35/0x50 [ 564.437892] tcp_v6_rcv+0x1bfe/0x3990 [ 564.441714] ? tcp_v6_syn_recv_sock+0x2310/0x2310 [ 564.446565] ? check_preemption_disabled+0x41/0x280 [ 564.451583] ? do_csum+0x32a/0x400 [ 564.455127] ip6_input_finish+0x46a/0x17a0 [ 564.459376] ip6_input+0xcf/0x3c0 [ 564.462863] ? ip6_input_finish+0x17a0/0x17a0 [ 564.467365] ? ip6_sublist_rcv_finish+0x2c0/0x2c0 [ 564.472218] ip6_rcv_finish+0x1d9/0x2f0 [ 564.476196] ipv6_rcv+0xf2/0x3f0 [ 564.479564] ? ip6_sublist_rcv+0xbf0/0xbf0 [ 564.483806] ? ip6_rcv_finish_core.constprop.0.isra.0+0x550/0x550 [ 564.490044] ? netif_receive_skb_internal+0x1da/0x3f0 [ 564.495240] ? ip6_sublist_rcv+0xbf0/0xbf0 [ 564.499485] __netif_receive_skb_one_core+0x114/0x180 [ 564.504680] ? __netif_receive_skb_core+0x3270/0x3270 12:40:52 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0320412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:52 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0xa, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:52 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0420412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:52 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0xff, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 564.509882] ? lock_acquire+0x170/0x3c0 [ 564.513870] ? netif_receive_skb_internal+0x6e/0x3f0 [ 564.518987] __netif_receive_skb+0x27/0x1c0 [ 564.523318] netif_receive_skb_internal+0xf0/0x3f0 [ 564.528253] ? __netif_receive_skb+0x1c0/0x1c0 [ 564.532938] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 564.537968] tun_rx_batched.isra.0+0x472/0x740 [ 564.542707] ? tun_xdp+0x310/0x310 [ 564.546276] ? tun_get_user+0x2cda/0x4f40 [ 564.550438] ? lock_acquire+0x170/0x3c0 [ 564.554418] ? tun_get_user+0x2069/0x4f40 [ 564.558576] ? check_preemption_disabled+0x41/0x280 [ 564.563607] tun_get_user+0x2e29/0x4f40 [ 564.567598] ? tun_chr_read_iter+0x250/0x250 [ 564.572010] ? aa_file_perm+0x417/0xd20 [ 564.576001] ? lock_downgrade+0x720/0x720 [ 564.580158] ? check_preemption_disabled+0x41/0x280 [ 564.585182] ? check_preemption_disabled+0x41/0x280 [ 564.590216] tun_chr_write_iter+0xdb/0x1d0 [ 564.594460] __vfs_write+0x51b/0x770 [ 564.598182] ? kernel_read+0x110/0x110 [ 564.602091] ? security_file_permission+0x1c0/0x220 [ 564.607117] vfs_write+0x1f3/0x540 12:40:52 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0620412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 564.610689] ksys_write+0x12b/0x2a0 [ 564.614323] ? __ia32_sys_read+0xb0/0xb0 [ 564.618393] ? trace_hardirqs_off_caller+0x6e/0x210 [ 564.623428] ? do_syscall_64+0x21/0x620 [ 564.627411] do_syscall_64+0xf9/0x620 [ 564.631230] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 564.636423] RIP: 0033:0x4192bf [ 564.639633] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 564.658666] RSP: 002b:00007fd0dbe07150 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 564.666380] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004192bf [ 564.673652] RDX: 000000000000008a RSI: 0000000020000200 RDI: 00000000000000f0 [ 564.680949] RBP: 00007fd0dbe071d0 R08: 0000000000000000 R09: 0000000000000000 [ 564.688221] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 564.695492] R13: 00007fff7851e8cf R14: 00007fd0dbe07300 R15: 0000000000022000 12:40:52 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0920412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 564.718382] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 564.729232] block nbd1: shutting down sockets [ 564.789530] block nbd5: shutting down sockets [ 564.799619] block nbd1: Could not allocate knbd recv work queue. [ 564.821069] block nbd1: shutting down sockets 12:40:52 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x80081270, 0x0) 12:40:52 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:52 executing program 3 (fault-call:0 fault-nth:6): syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:52 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0xe, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:52 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r1, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) dup2(r1, r0) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r5 = socket(0x18, 0x0, 0x0) getsockname$netlink(r5, 0x0, &(0x7f0000000380)) ioctl$NBD_SET_SOCK(r0, 0xab00, r5) ioctl$NBD_DO_IT(r4, 0xab03) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x180) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:52 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0b20412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 564.949742] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 564.974504] FAULT_INJECTION: forcing a failure. [ 564.974504] name failslab, interval 1, probability 0, space 0, times 0 [ 564.986041] CPU: 1 PID: 31039 Comm: syz-executor.3 Not tainted 4.19.196-syzkaller #0 [ 564.993929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 565.003403] Call Trace: [ 565.006000] dump_stack+0x1fc/0x2ef [ 565.009650] should_fail.cold+0xa/0xf [ 565.013488] ? setup_fault_attr+0x200/0x200 [ 565.017826] ? setup_fault_attr+0x200/0x200 [ 565.022172] __should_failslab+0x115/0x180 [ 565.026433] should_failslab+0x5/0x10 [ 565.031899] kmem_cache_alloc_node_trace+0x57/0x3b0 [ 565.036931] __kmalloc_node_track_caller+0x38/0x70 [ 565.041871] __alloc_skb+0xae/0x560 [ 565.045550] ndisc_alloc_skb+0x134/0x320 [ 565.049619] ndisc_send_ns+0x162/0x840 [ 565.053518] ? ipv6_chk_addr_and_flags+0xab/0x7d0 [ 565.058498] ? check_preemption_disabled+0x41/0x280 [ 565.063561] ? pndisc_redo+0x20/0x20 [ 565.067537] ? ipv6_chk_addr_and_flags+0x5f9/0x7d0 [ 565.072520] ndisc_solicit+0x2cd/0x500 [ 565.076444] ? ndisc_send_ns+0x840/0x840 [ 565.080519] ? __skb_clone+0x5ce/0x7c0 [ 565.084641] ? ndisc_send_ns+0x840/0x840 [ 565.088824] neigh_probe+0xcc/0x110 [ 565.092480] __neigh_event_send+0x387/0xf70 [ 565.097008] ? neigh_del_timer+0xc0/0xc0 [ 565.101171] ? lock_downgrade+0x720/0x720 [ 565.105336] neigh_resolve_output+0x6d8/0x910 [ 565.109849] ? check_preemption_disabled+0x41/0x280 [ 565.114879] ? rcu_lockdep_current_cpu_online+0x12f/0x1b0 [ 565.120478] ip6_finish_output2+0x113d/0x2290 [ 565.125123] ? ip6_forward_finish+0x4b0/0x4b0 [ 565.129737] ? lock_downgrade+0x720/0x720 [ 565.133897] ? check_preemption_disabled+0x41/0x280 [ 565.137407] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:53 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x2, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:53 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0xf, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:53 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0202412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 565.138923] ? check_preemption_disabled+0x41/0x280 [ 565.138952] ip6_finish_output+0x795/0xe50 [ 565.138971] ip6_output+0x205/0x770 [ 565.138985] ? ip6_finish_output+0xe50/0xe50 [ 565.139007] ? ip6_fragment+0x32b0/0x32b0 [ 565.171769] ? check_preemption_disabled+0x41/0x280 [ 565.176817] ip6_xmit+0xdbf/0x20a0 [ 565.180376] ? ip6_append_data+0x330/0x330 [ 565.184621] ? check_preemption_disabled+0x26/0x280 [ 565.189650] ? __kmalloc_node_track_caller+0x38/0x70 [ 565.194790] ? ac6_proc_exit+0x50/0x50 [ 565.198681] ? xfrm_lookup_route+0x56/0x1e0 [ 565.203284] ? memset+0x20/0x40 [ 565.206673] tcp_v6_send_response+0xeb5/0x1e20 [ 565.211404] ? tcp_v6_md5_hash_headers.isra.0+0x500/0x500 [ 565.216964] ? lock_acquire+0x170/0x3c0 [ 565.221053] tcp_v6_send_reset+0x6a1/0xe70 [ 565.225323] ? tcp_v6_md5_hash_skb+0x4e0/0x4e0 [ 565.229916] ? memmove+0x35/0x50 [ 565.233292] tcp_v6_rcv+0x1bfe/0x3990 [ 565.237113] ? tcp_v6_syn_recv_sock+0x2310/0x2310 [ 565.241963] ? check_preemption_disabled+0x41/0x280 [ 565.246988] ? do_csum+0x32a/0x400 12:40:53 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x2, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 565.250541] ip6_input_finish+0x46a/0x17a0 [ 565.254826] ip6_input+0xcf/0x3c0 [ 565.258286] ? ip6_input_finish+0x17a0/0x17a0 [ 565.262787] ? ip6_sublist_rcv_finish+0x2c0/0x2c0 [ 565.267639] ip6_rcv_finish+0x1d9/0x2f0 [ 565.271646] ipv6_rcv+0xf2/0x3f0 [ 565.275018] ? ip6_sublist_rcv+0xbf0/0xbf0 [ 565.279288] ? ip6_rcv_finish_core.constprop.0.isra.0+0x550/0x550 [ 565.285556] ? netif_receive_skb_internal+0x1da/0x3f0 [ 565.290844] ? ip6_sublist_rcv+0xbf0/0xbf0 [ 565.295086] __netif_receive_skb_one_core+0x114/0x180 12:40:53 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x3, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 565.300312] ? __netif_receive_skb_core+0x3270/0x3270 [ 565.305515] ? lock_acquire+0x170/0x3c0 [ 565.309523] ? netif_receive_skb_internal+0x6e/0x3f0 [ 565.314638] __netif_receive_skb+0x27/0x1c0 [ 565.318967] netif_receive_skb_internal+0xf0/0x3f0 [ 565.323904] ? __netif_receive_skb+0x1c0/0x1c0 [ 565.328534] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 565.333560] tun_rx_batched.isra.0+0x472/0x740 [ 565.338244] ? tun_xdp+0x310/0x310 [ 565.341786] ? tun_get_user+0x2cda/0x4f40 [ 565.345946] ? lock_acquire+0x170/0x3c0 12:40:53 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x3, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 565.350187] ? tun_get_user+0x2069/0x4f40 [ 565.354349] ? check_preemption_disabled+0x41/0x280 [ 565.359403] tun_get_user+0x2e29/0x4f40 [ 565.363398] ? tun_chr_read_iter+0x250/0x250 [ 565.367816] ? aa_file_perm+0x417/0xd20 [ 565.371835] ? lock_downgrade+0x720/0x720 [ 565.375986] ? check_preemption_disabled+0x41/0x280 [ 565.381012] ? check_preemption_disabled+0x41/0x280 [ 565.386042] tun_chr_write_iter+0xdb/0x1d0 [ 565.390283] __vfs_write+0x51b/0x770 [ 565.394001] ? kernel_read+0x110/0x110 [ 565.397914] ? security_file_permission+0x1c0/0x220 [ 565.402973] vfs_write+0x1f3/0x540 [ 565.406523] ksys_write+0x12b/0x2a0 [ 565.410161] ? __ia32_sys_read+0xb0/0xb0 [ 565.414233] ? trace_hardirqs_off_caller+0x6e/0x210 [ 565.419259] ? do_syscall_64+0x21/0x620 [ 565.423241] do_syscall_64+0xf9/0x620 [ 565.427049] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 565.432260] RIP: 0033:0x4192bf [ 565.435458] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48 [ 565.454448] RSP: 002b:00007fd0dbe07150 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 565.462159] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004192bf [ 565.469432] RDX: 000000000000008a RSI: 0000000020000200 RDI: 00000000000000f0 [ 565.476702] RBP: 00007fd0dbe071d0 R08: 0000000000000000 R09: 0000000000000000 [ 565.483974] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000001 [ 565.491271] R13: 00007fff7851e8cf R14: 00007fd0dbe07300 R15: 0000000000022000 [ 565.798571] block nbd5: Receive control failed (result -32) [ 565.805109] block nbd1: Receive control failed (result -32) [ 565.810396] block nbd5: shutting down sockets 12:40:53 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0x80081272, 0x0) 12:40:53 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0234412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:53 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x4, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:53 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x4, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 565.852497] block nbd1: shutting down sockets [ 565.868737] block nbd5: Receive control failed (result -32) [ 565.878295] block nbd5: shutting down sockets 12:40:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000001c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$BTRFS_IOC_SUBVOL_GETFLAGS(r2, 0x80089419, &(0x7f00000000c0)) ioctl$NBD_DO_IT(0xffffffffffffffff, 0xab03) r3 = accept$unix(0xffffffffffffffff, 0x0, &(0x7f0000000140)) splice(0xffffffffffffffff, &(0x7f0000000100)=0x3, r3, &(0x7f0000000180)=0x1, 0x6, 0x8) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:54 executing program 3 (fault-call:0 fault-nth:7): syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:54 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x5, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:54 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0274412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:54 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x5, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:54 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:54 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x9, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 566.033902] block nbd5: shutting down sockets 12:40:54 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412202"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 566.087459] block nbd5: shutting down sockets 12:40:54 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xc0045878, 0x0) 12:40:54 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x6, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:54 executing program 3: syz_emit_ethernet(0xd, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:54 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000000c0), 0x80000, 0x0) ioctl$BLKZEROOUT(r2, 0x127f, &(0x7f0000000100)={0x9, 0x20}) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x80000) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:54 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412204"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:54 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0xb, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 566.795613] block nbd1: Receive control failed (result -32) [ 566.798821] block nbd1: shutting down sockets [ 566.831708] block nbd1: Device being setup by another task 12:40:54 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412206"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:55 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "023ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:55 executing program 3: syz_emit_ethernet(0xca, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:55 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x7, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:55 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412209"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 566.995817] block nbd5: shutting down sockets 12:40:55 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x8, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 567.042124] block nbd5: Device being setup by another task [ 567.731361] block nbd1: Receive control failed (result -32) [ 567.737463] block nbd1: shutting down sockets 12:40:55 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xc0045878, 0x0) 12:40:55 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0b3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:55 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000}, 0x0, 0xb, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:55 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb022041220b"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:55 executing program 3: syz_emit_ethernet(0xfdef, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:55 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x9, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 567.782120] block nbd1: Could not allocate knbd recv work queue. [ 567.788362] block nbd1: shutting down sockets 12:40:55 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0xb, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 567.844406] net_ratelimit: 7 callbacks suppressed [ 567.844418] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:55 executing program 3: syz_emit_ethernet(0x2000028a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:55 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0c3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:56 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x11, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:56 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6820b79ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 567.969403] block nbd5: shutting down sockets 12:40:56 executing program 3: syz_emit_ethernet(0xfffffdef, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 568.008168] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 568.085357] block nbd5: Receive control failed (result -32) [ 568.085730] block nbd5: shutting down sockets [ 568.666575] block nbd1: Receive control failed (result -32) [ 568.672702] block nbd1: shutting down sockets 12:40:56 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xc0101282, 0x0) 12:40:56 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a0bf2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:56 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x48, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:56 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf68217798a041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:56 executing program 3: syz_emit_ethernet(0xfffffffffffffdef, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:56 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) preadv(r2, &(0x7f0000000240)=[{&(0x7f00000000c0)=""/222, 0xde}, {&(0x7f00000001c0)=""/68, 0x44}], 0x2, 0x101, 0x7) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 568.712103] block nbd1: Could not allocate knbd recv work queue. [ 568.718305] block nbd1: shutting down sockets 12:40:56 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x0}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:56 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x3, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:56 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca021344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:56 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x2}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 568.818694] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:56 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x4c, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:56 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca031344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 568.935731] block nbd5: shutting down sockets [ 568.964007] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 569.015037] block nbd5: shutting down sockets 12:40:57 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xc0189436, 0x0) 12:40:57 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x13, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:57 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x3}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:57 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca061344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:57 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x149000) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) pipe2(&(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) ioctl$NBD_DO_IT(r2, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x3, 0x347}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0xf2e15375502d68b4) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:57 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x60, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 569.624410] block nbd1: Receive control failed (result -32) [ 569.626972] block nbd1: shutting down sockets [ 569.661760] block nbd1: Device being setup by another task 12:40:57 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca091344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 569.716668] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:57 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x68, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:57 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x4}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 569.798547] block nbd5: shutting down sockets 12:40:57 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca0b1344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:57 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x14, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:57 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x5}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 569.839952] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 569.862887] block nbd5: shutting down sockets 12:40:58 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xc020660b, 0x0) 12:40:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x40}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = eventfd(0x1) r4 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r2, 0x8}, {r3, 0x3089}, {r2, 0x4000}, {r4, 0x8000}, {r2, 0x2}, {r2}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r4, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)=ANY=[@ANYBLOB='P\x00\x00\x00', @ANYRES16=0x0, @ANYBLOB="00042bbd7000fedbdf2507000000080001005e00000008000300", @ANYRES32=0x0, @ANYBLOB="0c00990000000080770000000a00e800ff237821abff00001400178004000300040002000400020004000200"], 0x50}}, 0x800) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) eventfd(0x1) r5 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r5, 0x0) preadv(r5, &(0x7f0000000280), 0x18, 0xd9f, 0x0) ioctl$NBD_SET_SOCK(r5, 0xab00, r1) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:58 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x6c, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:58 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x6}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:58 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x2, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:58 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a90b6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 570.540256] block nbd1: Receive control failed (result -32) [ 570.546617] block nbd1: shutting down sockets 12:40:58 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x7}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:58 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a97c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:58 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x3, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 570.645028] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:58 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x8}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:58 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) r4 = gettid() perf_event_open(&(0x7f0000000100)={0x5, 0x80, 0x6, 0x5, 0x81, 0x1, 0x0, 0x0, 0x94008, 0xf, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x2, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x9, 0x1, @perf_bp={&(0x7f00000000c0), 0x6}, 0x80, 0x3, 0x0, 0x9, 0x72400c98, 0x2, 0x7, 0x0, 0x3, 0x0, 0x1f}, r4, 0xe, 0xffffffffffffffff, 0x8) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:40:58 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x74, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 570.780637] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 570.901511] block nbd5: shutting down sockets [ 570.993525] block nbd5: Receive control failed (result -32) [ 570.997583] block nbd5: shutting down sockets 12:40:59 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xc0481273, 0x0) 12:40:59 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x4, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:59 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x2}]}}}}}}}}, 0x0) 12:40:59 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x7a, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:59 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x9}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x2, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0, 0x5}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open$cgroup(&(0x7f0000000100)={0x3, 0x80, 0x1, 0x40, 0xbd, 0x0, 0x0, 0x3, 0x40000, 0xc, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x52c2, 0x0, @perf_config_ext={0x7f, 0x8}, 0x8000, 0x100000001, 0x401, 0x1, 0x80000001, 0x44c65365, 0x101, 0x0, 0x0, 0x0, 0x9}, 0xffffffffffffffff, 0x3, r2, 0x4) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = syz_open_dev$vcsu(&(0x7f0000000180), 0x4, 0x40000) ioctl$NBD_SET_SIZE_BLOCKS(r4, 0xab07, 0x9) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$F2FS_IOC_RELEASE_COMPRESS_BLOCKS(0xffffffffffffffff, 0x8008f512, &(0x7f00000000c0)) [ 571.474304] block nbd1: Receive control failed (result -32) [ 571.480563] block nbd1: shutting down sockets 12:40:59 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0xa}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:59 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) ioctl$NBD_SET_BLKSIZE(r0, 0xab01, 0x7c31) perf_event_open(&(0x7f0000000140)={0x4, 0x80, 0x6, 0x81, 0x81, 0x7, 0x0, 0x2, 0x40, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x3, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0xae, 0x0, @perf_config_ext={0x26, 0x4}, 0x10014, 0xa70, 0x35b7, 0x4, 0x7, 0x0, 0x0, 0x0, 0x7ff, 0x0, 0x5}, 0x0, 0xc, r2, 0x2) r4 = openat$vhost_vsock(0xffffffffffffff9c, &(0x7f00000000c0), 0x2, 0x0) ioctl$F2FS_IOC_GET_FEATURES(r4, 0x8004f50c, &(0x7f0000000100)) r5 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r5, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 571.578853] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:40:59 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x7c, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:59 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0xb}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:40:59 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x3}]}}}}}}}}, 0x0) 12:40:59 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x5, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 571.678938] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 571.802980] block nbd5: shutting down sockets 12:41:00 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x2) 12:41:00 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x9, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:00 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:00 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x300, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:00 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x4}]}}}}}}}}, 0x0) 12:41:00 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = getpgid(0x0) perf_event_open(&(0x7f0000000700)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x1, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r4, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r5 = eventfd(0x1) r6 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r6, 0x0) preadv(r6, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{0xffffffffffffffff, 0x8}, {r5, 0x3089}, {0xffffffffffffffff, 0x4000}, {r6, 0x8000}, {0xffffffffffffffff, 0x2}, {}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r6, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$TUNSETIFF(r6, 0x400454ca, &(0x7f0000000180)={'bond0\x00'}) r7 = perf_event_open(&(0x7f0000000100)={0x2, 0x80, 0x0, 0x4, 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, 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$PERF_EVENT_IOC_QUERY_BPF(r7, 0xc008240a, &(0x7f0000000000)={0x500}) perf_event_open(&(0x7f0000000100)={0x4, 0x80, 0xe0, 0x20, 0xc0, 0x2, 0x0, 0x4, 0x4b595, 0x8, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x7ff, 0x1, @perf_bp={&(0x7f00000000c0)}, 0x48214, 0x8, 0x80000000, 0x4, 0x6, 0x6, 0xfffd, 0x0, 0x6, 0x0, 0x5}, r4, 0xf, r7, 0x3) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 572.354550] block nbd1: Receive control failed (result -32) [ 572.392259] block nbd1: shutting down sockets 12:41:00 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x5}]}}}}}}}}, 0x0) 12:41:00 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0xb, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:00 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x500, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:00 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x2}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:00 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x9}]}}}}}}}}, 0x0) 12:41:00 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x3}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 572.638054] block nbd5: shutting down sockets [ 572.746531] block nbd5: shutting down sockets 12:41:01 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x3) 12:41:01 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x10, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:01 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x600, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:01 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0xb}]}}}}}}}}, 0x0) 12:41:01 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x4}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$vcsu(&(0x7f00000000c0), 0x9, 0x402a00) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r5 = syz_open_dev$vcsa(&(0x7f0000000100), 0x4, 0x40) ioctl$NBD_DO_IT(r5, 0xab03) [ 573.314517] block nbd1: Receive control failed (result -32) [ 573.320534] block nbd1: shutting down sockets [ 573.353739] block nbd1: Receive control failed (result -32) [ 573.359936] block nbd1: shutting down sockets 12:41:01 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x29}]}}}}}}}}, 0x0) 12:41:01 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x5}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 573.459366] net_ratelimit: 2 callbacks suppressed [ 573.459378] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:01 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x29, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 573.539071] block nbd5: shutting down sockets 12:41:01 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x700, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:01 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x2b}]}}}}}}}}, 0x0) 12:41:01 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 573.700032] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 573.804538] block nbd5: shutting down sockets [ 573.904632] block nbd5: shutting down sockets 12:41:02 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x4) 12:41:02 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x6}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:02 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x2b, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:02 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x2c}]}}}}}}}}, 0x0) 12:41:02 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x900, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:02 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f00000000c0)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 574.304479] block nbd1: Receive control failed (result -32) [ 574.310635] block nbd1: shutting down sockets [ 574.343863] block nbd1: Receive control failed (result -32) [ 574.350070] block nbd1: shutting down sockets 12:41:02 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x2c, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:02 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x7}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 574.467678] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:02 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x2f}]}}}}}}}}, 0x0) 12:41:02 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x2f, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:02 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x1100, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:02 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x9}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 574.575201] block nbd5: shutting down sockets [ 574.662511] block nbd5: Device being setup by another task [ 574.701359] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 575.295281] block nbd1: Receive control failed (result -32) [ 575.301399] block nbd1: shutting down sockets 12:41:03 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x5) 12:41:03 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$ipvs(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/sys/net/ipv4/vs/sync_persist_mode\x00', 0x2, 0x0) ioctl$NBD_SET_FLAGS(r1, 0xab0a, 0x3767) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:41:03 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x33}]}}}}}}}}, 0x0) 12:41:03 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x33, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:03 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0xa}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:03 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x2000, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 575.345549] block nbd1: Receive control failed (result -32) [ 575.345964] block nbd1: shutting down sockets 12:41:03 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x11}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:03 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x3a}]}}}}}}}}, 0x0) [ 575.450854] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:03 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x3a, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:03 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x3f00, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:03 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x7c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 575.594759] block nbd5: shutting down sockets 12:41:03 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x3b}]}}}}}}}}, 0x0) [ 575.661109] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 575.733550] block nbd5: Receive control failed (result -32) [ 575.743170] block nbd5: shutting down sockets 12:41:04 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0xff}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:04 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x6) 12:41:04 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) r2 = openat$nvram(0xffffffffffffff9c, &(0x7f00000000c0), 0x44100, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff}, 0x0, 0xffffffffffffffff, r2, 0xa) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:41:04 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x3c}]}}}}}}}}, 0x0) 12:41:04 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x4000, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:04 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x3b, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 576.285489] block nbd1: Receive control failed (result -32) [ 576.321734] block nbd1: Device being setup by another task [ 576.328139] block nbd1: shutting down sockets 12:41:04 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x7b}]}}}}}}}}, 0x0) 12:41:04 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:04 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x3c, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 576.455691] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:04 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x2}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:04 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x4800, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:04 executing program 4: syz_emit_ethernet(0x8a, &(0x7f00000000c0)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd600a3ff200540600fe8000000000000000000000000000bbfe8000000000000000000000000000aa00004e22b45b035e45735c89ff50833922afd362dc26dd54ab496c0b731206f2af83eb47061360fa", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB="50c200009078000003030003030013121f84d25295f6d5d0b73b676219cae49a220d1ed768defecb02204122031312719bdceabbf6821779ca041344a93c6efe06e2d4c3d9000000"], 0x0) [ 576.541958] block nbd5: shutting down sockets 12:41:04 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x3}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 576.597038] block nbd5: shutting down sockets [ 576.647995] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 577.251853] block nbd1: Receive control failed (result -32) [ 577.291750] block nbd1: Device being setup by another task [ 577.305153] block nbd1: shutting down sockets 12:41:05 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x7) 12:41:05 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x47, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:05 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) r4 = syz_mount_image$nfs(&(0x7f00000000c0), &(0x7f0000000100)='./file0\x00', 0x0, 0x3, &(0x7f0000000240)=[{&(0x7f0000000140)="3edcbdc6de9626ddba1789150486a108ba908be0c611754df9ad78f08db01d74e347f5b775912d07fee4997ea4a05e213e57c65cfb0da0b68574d0622d5c6acca3ce553e569d11491c801107223e3c2f27734321c305c8fb46d61e12d3d03e7626a1260a899780e703044598600c965e36dec22ef3", 0x75, 0xd79}, {&(0x7f00000001c0)="cc889c26ce3e9f4d2af1ccc46e94d2b29aa9de6ca6", 0x15, 0x9}, {&(0x7f0000000200)="1afd82fe573d08f01bf18e86bc3a55632d4b5bb57aa2f40ccf9caccd81afe33d1b4e5ac7e535469b26a204abf2", 0x2d, 0x4}], 0x2804000, &(0x7f0000000340)={[{'a\t\xe9\r\x9c\x1f\x84G\xd7\xc7T\r\xa3*\xc0\xb1\x92\x16\xcd\xb3\xd4\x1fT_\ry,\xcc\a\tU\x149\xd0^\xe2\x94g{\x1e\xb3\xbf\x9coPE&\x92\x9d/F\x14\xff\n\x85,b\x88\xa6X\xd4t\xc6\xb6H\xce]\xbeRC\xe940xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x8) 12:41:06 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x7}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0xa, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, @perf_bp={0x0}, 0x11000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x100}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r2, 0x8933, &(0x7f00000000c0)={'batadv_slave_0\x00'}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) sendmmsg$sock(r2, &(0x7f0000002c00)=[{{&(0x7f0000000100)=@rc={0x1f, @fixed={'\xaa\xaa\xaa\xaa\xaa', 0x11}, 0x40}, 0x80, &(0x7f0000000300)=[{&(0x7f0000000180)="fd4331657abd5e3ee3227f374db6accdd0ea8b1ae063732f", 0x18}, {&(0x7f00000001c0)="1e6e34197ace587319df215c02c5f10a0f1c411145d9de2fa3707952827eb9fe8378a4d502acf09fe8dea92ba729d4cdcc012bf63b64d2e7f431ce575606112a70dfd6f7ea2f6a7acb745a42a3ddbafa70857a057623e1a927444a9aa1133fbced686d6a49c2bf63c0beeb6f70b8cd7c310cc1e7fc382b1f0c2eb7fb764b1a6bbed61008c01fc7ffd9225d4d8953949aba3fd3f60f2bde4f0677457b65d11d1c019d4a6d3e45f58e51e8fc8170a782ecfb37a44aed4e0ff586de95782b2a9a8ec333fd2f79c9c88b7f9ebea1", 0xcc}, {&(0x7f00000002c0)="1f8b81ecc7b0ba79264eb208d07e2a53101385", 0x13}], 0x3, &(0x7f0000000340)=[@mark={{0x14, 0x1, 0x24, 0x800}}, @timestamping={{0x14, 0x1, 0x25, 0x8}}], 0x30}}, {{0x0, 0x0, &(0x7f0000000440)=[{&(0x7f0000000980)="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0x3d, 0x7ff}}, @mark={{0x14, 0x1, 0x24, 0xffffffff}}, @timestamping={{0x14, 0x1, 0x25, 0x8}}, @txtime={{0x18, 0x1, 0x3d, 0x73}}], 0xd8}}, {{&(0x7f0000001d80)=@hci={0x1f, 0x3, 0x4}, 0x80, &(0x7f0000002040)=[{&(0x7f0000001e00)="9c75721f0c66e64ffa51a9ab2c86c048bcd5b8502987bcf511b28d1414a652a0aa4393f2ba5bb37ffa46b85e03c56b934a694fba8ceb2ec13185bc68937d0a55a3e6347767179dd382a1a2c2b84214725c2fef5b0de806ed4986901dac44f3bf88674465cbad9d07b1a37a2ae218ae2ce6522801f6ea6b6f00ca748e42c7421f1b38eee649df6411ba445a711905c4dd00af95e045e8764490cdf7b78db31eb7c3aa3f734a27d19b8dd1657d8be2407e9362b7c0ceaf53e0587a56040fb78c5a205adfbfbf2a7ada1370bfd856239f1f599dbc878cb645f8919065ab8dbe620603a6", 0xe2}, {&(0x7f0000001f00)="a2f0bbcea3e6", 0x6}, {&(0x7f0000001f40)="df675e9a43467412e05729b5f1b9a0a6048a97f90356feb04b561f0c29", 0x1d}, {&(0x7f0000001f80)="3e6a7a8383c2c11e32359131a1265106", 0x10}, {&(0x7f0000001fc0)="7f90d0b0ee3a71c8cf820b1d01bec9296cbd40c9316b87fe336cdd57d8aaf0846f6242970a3252451f0966693df18275d66cef47f7858e495f8bfeed428556947d6b19e4800e79dacac98bc226aee6c97e02", 0x52}], 0x5}}, {{&(0x7f00000020c0)=@rxrpc=@in4={0x21, 0x1, 0x2, 0x10, {0x2, 0x5, @empty}}, 0x80, &(0x7f0000002700)=[{&(0x7f0000002140)}, {&(0x7f0000002180)="62bd905fff94fbbd727378d71d87679d92627684acc0db86de34557741f451ec4e0b16fea65e21871ee70c963556876ccae3c6b24af4d00c409ab209cc316ea60d2cee7be4fba065bf5a58023023b52b293f9ef8a22c429dbe628346ce8c3e9fa328b914871913ba6c71db75c7b8668bbe099a796e05752503737b08a45a81002a1e8b323399a564ff9218af474e924b25239e1be5f576c6163b6d948c56b46dc90088ba2f3e48dab06fc5c940de0b08065c24a8a58478b047083aae3ffa9626c8b08e7d767d5dbb575fd13a461e208df7e8f57956", 0xd5}, {&(0x7f0000002280)="e0f30bb885ae8a412c4cce95a1a076202c68dfdd3115c7592a5c70bd297803c538d8ef73ca38148c6d73f1003de808561554e5f608ea284fbc9635f7769d677e5f1536301931fac3cc82bd846db2ae240c6e5102bc35b3d9549271e2ab4366d32b9911efafe4836dbef2e4bd9db664d1d6b429f4d10f5089defb13375b490d5b", 0x80}, {&(0x7f0000002300)="7107f501b6dbbe20e3e01870d36ab51911faec44024ae39c043b58b4a18bd2ef67570736faed76c96928c2e5cd9f5a788bc030b5a25a0ade4b5dad73b8d4be6b6ed3e66debe9e2aa2bd22bed07577ce6fa53ee5db713701e8e5c20f9167d97e5fce6204569a24aa298bb85dba16539c2da5543842e20cc078c2dc1d47cc880229c4b84899b107babb6988863d8b2811a5cbe3a78ddc1bc1c7f83db123fefae73fcdff0dff1c5e79d3aee95ff01f9a5b5464c752899fcd0b5890a703a4e761fbb4e34fa6c9e2529867ceffc", 0xcb}, {&(0x7f0000002400)="eb1323739e888e41389ba2047c2b89efd6fa14296a1c7c5756613665763585639b9ede70f1e8a7a432449e04c246fb4e394009c87ce5b2466e5a12cb570680ce21f1e8f96f9293185143cca4bb9e4f07c02c5b054bd9920d60e143625ce0d388986924bede7400ddb428145df9ce2668516445bc2ed7c2ce4985c247fe1233122dc19c928912962a87da4c5714c8ac6adbc2b487918e00e0cd84a5a870da6588590cadb44dab03733dc4109d31abdf15e1426635d744af4dacff3a25d226d40fe02f69ebddd0afbeaf9790ac0f4f7a132015a6b372a842de49774cbdccb6", 0xde}, {&(0x7f0000002500)="78b4dbeaf8e54de98f42be664547093354f540e29cf1498a4d2c07682b91ad475a016c548864861aa3ddab367d0ba4eaa399d1fee0b5da0fcd3c427b9c58f1ceb32b29f0c446d9c8138baf683c6e5e530f6916847e561a963381870c195c50333049f3f0cca1497b66d1af33d5659504520a1af3335f15d6d6b07e52e0abbe59c2e890b9242d257f428d86c82f0b6d9a881809424c33f3c271c6cac2caa5db914535540db7b6bde181e00b5459bc4dde9ec991933f", 0xb5}, {&(0x7f00000025c0)="6bbb65c8e8336183edbca1cb93d8e47dd1bffe5d11663877c163b5ea47987a3ca6edd383ff4a3a8e6c0297ea799fb92bf85ce7998bfb937b4f025058c9b99269da6abb9a16a7f6f91a6895", 0x4b}, {&(0x7f0000002640)="b2fdd8d46cb6e2335994b15fd420549b30ef824bc89a08aa80cb0ea939c411bcbe50167beedbe4f411d0e4a686f6ef98e032d13b650e0e2f8dbe4762d34adca172f78e511854ba8c0665ca931c08e2892e76030120ae69351414995bde3f1d7a26d0203ef1c15a907c0b8164435f8ff1cbd0f855cddbe4b451a928c6a9a3827497b178db2daadbcf81b86deb53ad367c8386b6a703bc4e93a70b78f80af1e9f1663861768910be18df1c9a0eb23abffe2518f34c3712d427de3fc7", 0xbb}], 0x8, &(0x7f0000002780)=[@txtime={{0x18, 0x1, 0x3d, 0x101}}, @mark={{0x14, 0x1, 0x24, 0x8001}}, @timestamping={{0x14, 0x1, 0x25, 0x80}}, @timestamping={{0x14, 0x1, 0x25, 0x4}}, @timestamping={{0x14, 0x1, 0x25, 0x4}}, @timestamping={{0x14, 0x1, 0x25, 0x8}}, @timestamping={{0x14, 0x1, 0x25, 0x9}}, @mark={{0x14, 0x1, 0x24, 0x81}}, @txtime={{0x18, 0x1, 0x3d, 0x2020000000}}], 0xd8}}, {{&(0x7f0000002880)=@pppol2tpv3={0x18, 0x1, {0x0, r3, {0x2, 0x4e23, @multicast1}, 0x4, 0x3, 0x0, 0x2}}, 0x80, &(0x7f0000002b00)=[{&(0x7f0000002900)="c23243807d735e68bd8a3c4e14b0f4d44139d08356a6ae4878c27d4ab588214fa364fad57b8dbaebe9434b1dce1769417f19a57d14ee3073beb9c16865f673696809da3e7b31660574fd27a61d5308d8d70ceeb9ccc4160c6eada38c4ae6889ff442f9c48a585c8364edbb56c902cd9e35e496dc17f40f45971266103f2aace6b7758f7c8947048899b9e882", 0x8c}, {&(0x7f00000029c0)="4b0f658efe7edc097a8ce9a3800d", 0xe}, {&(0x7f0000002a00)="3049e18c6b833c2e1649966258aed648b67770ab2ca883217c5348fd4cea9e3487b9a5c28f5ddee8bf681ac6", 0x2c}, {&(0x7f0000002a40)="f9e0d42836e7266a29691ffa94b4b61b7cc71da975cb51443fab281bfa67b7a8056f754f6d8efcf5895bf7a1de56ae54e24fcaf651f4189e047fe1d4a37bbdb4acf8c4ca2efa1c2d89601a72d6d90f436f244489294c0f381723e27e18615c7f1a6a0cfa0bff3740b7c3bdb002000271fdf3deeec6d1af1e20f509815c7010763e7712429f", 0x85}], 0x4, &(0x7f0000002b40)=[@timestamping={{0x14, 0x1, 0x25, 0x2}}, @mark={{0x14}}, @mark={{0x14, 0x1, 0x24, 0x3}}, @timestamping={{0x14, 0x1, 0x25, 0x7fffffff}}, @timestamping={{0x14, 0x1, 0x25, 0x3}}, @txtime={{0x18, 0x1, 0x3d, 0xfdc7}}], 0x90}}], 0x6, 0x800) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:41:06 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x6c00, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:06 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x3, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:06 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x4, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:06 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x9}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 578.475302] net_ratelimit: 1 callbacks suppressed [ 578.475314] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 578.538442] block nbd5: shutting down sockets 12:41:06 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x7400, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 578.620098] block nbd5: Receive control failed (result -32) [ 578.620479] block nbd5: shutting down sockets 12:41:06 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0xa}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:06 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f0000000100)={0x5, 0x80, 0x80, 0x4, 0x40, 0xff, 0x0, 0x0, 0x21e2a, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x6, 0x5, @perf_bp={&(0x7f00000000c0)}, 0x8, 0xbb95, 0x401, 0x9, 0x1, 0x7fff, 0x8001, 0x0, 0x9, 0x0, 0x20}, 0x0, 0xc, r1, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) syz_open_dev$ndb(&(0x7f0000000180), 0x0, 0x418800) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:41:06 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x5, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 578.719406] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:06 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x11}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 578.934263] block nbd5: shutting down sockets [ 579.011893] block nbd5: shutting down sockets [ 579.234313] block nbd1: Receive control failed (result -32) [ 579.240367] block nbd1: shutting down sockets [ 579.273514] block nbd1: shutting down sockets 12:41:07 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x10) 12:41:07 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x7a00, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:07 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x6, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:07 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x7c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:07 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:41:07 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x7, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 579.337927] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:07 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0xff}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:07 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x7c00, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:07 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x9, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 579.478238] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 579.478321] block nbd5: shutting down sockets 12:41:07 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:07 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0xffff, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:07 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0xa, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 579.628862] block nbd5: Could not allocate knbd recv work queue. [ 579.636450] block nbd5: shutting down sockets [ 579.651290] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 580.197660] block nbd1: Receive control failed (result -32) [ 580.242392] block nbd1: shutting down sockets 12:41:08 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x48) 12:41:08 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:08 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0xe, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:08 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = socket(0x18, 0x0, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) getsockname$netlink(r4, 0x0, &(0x7f0000000380)) r5 = open(&(0x7f00000000c0)='./file0\x00', 0x40000, 0x20) ioctl$NBD_SET_SIZE_BLOCKS(r5, 0xab07, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r4) 12:41:08 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0xa, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:08 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x11, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:08 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x3}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:08 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x63, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:08 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x60, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:08 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x4}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 580.495125] block nbd5: Device being setup by another task [ 580.502208] block nbd5: Unsupported socket: shutdown callout must be supported. 12:41:08 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e74, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:08 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x7c, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 581.155252] block nbd1: Receive control failed (result -32) [ 581.161468] block nbd1: shutting down sockets [ 581.166978] block nbd5: Receive control failed (result -32) [ 581.202188] block nbd1: Receive control failed (result -32) [ 581.204597] block nbd1: shutting down sockets [ 581.212762] block nbd5: Device being setup by another task 12:41:09 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x4c) 12:41:09 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0xff, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:09 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x5}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 581.254433] block nbd5: Device being setup by another task [ 581.260597] block nbd5: Unsupported socket: shutdown callout must be supported. [ 581.323659] block nbd5: shutting down sockets 12:41:09 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:09 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x6}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:09 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:09 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) ioctl$NBD_DO_IT(r0, 0xab03) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x1, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = eventfd(0x1) r4 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r4, 0x0) preadv(r4, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r2, 0x8}, {r3, 0x3089}, {r2, 0x4000}, {r4, 0x8000}, {r2, 0x2}, {r2}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r4, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r5) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:41:09 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x2, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 581.472623] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:09 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x7}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:09 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x1, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:09 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x3, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:09 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x9}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 581.623144] block nbd5: shutting down sockets [ 581.643027] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:10 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x68) 12:41:10 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x4, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x4080, 0x0) ioctl$NBD_SET_SOCK(r1, 0xab00, 0xffffffffffffffff) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:41:10 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:10 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xa}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:10 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) syz_emit_ethernet(0x56, &(0x7f0000000580)=ANY=[@ANYBLOB="affbf20000e02d02000063f1ffd426008bc81b1274ba8a2762e8cd7d3eb311da9325f686463f0000000000000054ddb3a3c352b70da3198afd90bf92636a3e8bd445c82883d30c00f86e3bd91ee6775eb9f81d4ee81d3816ad8bbcd1fc91ea90c61253feffff8530d50d44c13a4eaec3bd3b5c6be240307d756cf28c13a7a93ce779635465c1ba1601709dda19ca9f7f30480ae9c3faa5a24d7c2895c771ad06511034074deb9796c12351c09b516925687591c905925db5d97f087d06000000000000150000000000000000e7b5f95cd92d0238"], &(0x7f0000000340)={0x0, 0x3, [0xe45, 0x2f, 0x473, 0x289]}) syz_extract_tcp_res(&(0x7f0000000000)={0x41424344}, 0x1, 0x7530) syz_extract_tcp_res$synack(&(0x7f0000000040)={0x41424344}, 0x1, 0x0) syz_extract_tcp_res(&(0x7f0000000540), 0x6, 0x5) syz_emit_ethernet(0x13d, &(0x7f0000000080)={@random="9ac67fcc3e10", @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, @void, {@ipv4={0x800, @tcp={{0x1d, 0x4, 0x2, 0x1e, 0x12f, 0x65, 0x0, 0x0, 0x6, 0x0, @loopback, @multicast2, {[@timestamp_prespec={0x44, 0x14, 0xa4, 0x3, 0x0, [{@broadcast, 0x7}, {@broadcast, 0x80}]}, @ra={0x94, 0x4, 0x1}, @timestamp_addr={0x44, 0x1c, 0xe5, 0x1, 0x2, [{@multicast2, 0xfff}, {@initdev={0xac, 0x1e, 0x1, 0x0}, 0x7}, {@broadcast, 0x7fff}]}, @timestamp={0x44, 0x18, 0x47, 0x0, 0x7, [0x1, 0xffffce32, 0x2, 0x2, 0xfffffffe]}, @timestamp_addr={0x44, 0x14, 0x5e, 0x1, 0xa, [{@local, 0x7f}, {@loopback, 0x37a}]}]}}, {{0x4e23, 0x4e22, r0, r1, 0x0, 0x0, 0x7, 0x10, 0x6, 0x0, 0x180, {[@nop, @nop, @generic={0xfe, 0x5, "4fcc15"}, @nop]}}, {"e7f92b81297d57695e781f4206cf4ea023551dc2a04143dd7ffbc0bc7647dfe05b0e057d4ca82100fdc74b3559b427e20494d4f1ae280ec8220a35849432145af0dfdd872c931ba6d99a5de70f03c8eaed4620291b1d215bd820bae1b7b25c40ec59afde7f3ef2b3df1d6c8f3fdf616cf0f73cef8ebf5d6970caaa0a939dd816147c6a1fe1ac3b387b1f1b101c3cf3e5c2d6d8d193408560770c4cf909f73c"}}}}}}, &(0x7f00000001c0)={0x0, 0x1, [0xcc1, 0xdae, 0xe95, 0xe8a]}) syz_emit_ethernet(0x91, &(0x7f0000000680)={@remote, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x38}, @void, {@ipv6={0x86dd, @udp={0x9, 0x6, "4a195c", 0x5b, 0x11, 0x1, @private2, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, {[@fragment={0x3b, 0x0, 0x9, 0x0, 0x0, 0x0, 0x65}], {0x4e22, 0x4e22, 0x53, 0x0, @opaque="456e3f6f879d7cecfc9ed7a068d8511224d12ad2ade2b2ca7cf7373f6fd895ffcf689fdba0cde56d3244bd0119908a9a30390ac73db39847ce309a6f4bedc7d1e5681de559c3cd6dcc4bef"}}}}}}, 0x0) syz_extract_tcp_res(&(0x7f00000002c0), 0x2, 0x1) syz_emit_ethernet(0x180, &(0x7f0000000380)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x2}, @multicast, @void, {@mpls_uc={0x8847, {[{0x4, 0x0, 0x1}, {0x4a}, {0x0, 0x0, 0x1}, {0x8, 0x0, 0x1}, {0x6f, 0x0, 0x1}], @ipv4=@igmp={{0x32, 0x4, 0x1, 0x3, 0x15e, 0x65, 0x0, 0x4, 0x2, 0x0, @local, @rand_addr=0x64010102, {[@ssrr={0x89, 0x27, 0xd0, [@rand_addr=0x64010101, @loopback, @loopback, @rand_addr=0x10000, @multicast2, @local, @initdev={0xac, 0x1e, 0x0, 0x0}, @dev={0xac, 0x14, 0x14, 0x13}, @empty]}, @timestamp_addr={0x44, 0x24, 0x4a, 0x1, 0xf, [{@loopback, 0x3}, {@multicast2, 0x10001}, {@broadcast, 0x1}, {@remote, 0x7}]}, @noop, @generic={0x16, 0x6, "fb1b949d"}, @timestamp_addr={0x44, 0x34, 0xee, 0x1, 0x3, [{@dev={0xac, 0x14, 0x14, 0x13}, 0x8001}, {@broadcast, 0x8}, {@loopback, 0x9}, {@local, 0x1}, {@local, 0x3}, {@dev={0xac, 0x14, 0x14, 0x21}, 0x10000}]}, @ssrr={0x89, 0x2b, 0x61, [@private=0xa010102, @local, @rand_addr=0x64010102, @initdev={0xac, 0x1e, 0x1, 0x0}, @loopback, @remote, @private=0xa010102, @multicast1, @private=0xa010101, @remote]}]}}, {0x0, 0x9, 0x0, @empty, "9ddcdb6371d5a18c53c119b60581c1bf7fbf598d5e9a15813e881aa2e80bd2cbae569eb9dda05aa9ea69018c881c3cb07402c76b2e1011b18d27948fde7f03b810672ca713f44e07d7bf4227fc0b1edda7f69a39aeb857316f1f1d82ab6ddde44db4ce4d365bd35a00d4aec9e93c45435ae7a3764cea59fb072cf15682efd005aeda82f64dfd1ae35439c9bd00bc"}}}}}}, &(0x7f0000000500)={0x0, 0x2, [0x9df, 0x715, 0x583, 0xebd]}) [ 582.174845] block nbd1: Receive control failed (result -32) [ 582.211749] block nbd1: Device being setup by another task [ 582.218301] block nbd1: shutting down sockets 12:41:10 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x5, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:10 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x11}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:10 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3fd2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "e7ed39d2ad8a5e770018000000000004"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) syz_emit_ethernet(0xeb, &(0x7f0000000000)={@random="3a78311fffa1", @empty, @void, {@ipx={0x8137, {0xffff, 0xdd, 0x5, 0x4, {@current, @random="a76f803d989e", 0x1}, {@current, @random="ce9172ea52ce", 0x800}, "41ea68e5533225da2972e0a24eaacc1cbae46191a7fae5c3fa8391b25ed2c0040c0a8391cc1344da655030d76ff3ba29ca97ea86496a3a51e99b1dc322ce12a0817da651eea39addaf9e28d1b34eb886d7f14e58a13e2ed5a891dfa3b1a51e6090f892c0dc08087e493216424f92ab4643a1cf2fbff9dff298d2e941107e002089c0ab707ad2ace995623686316356cf99c0356508ba787532f93b1765722034dd6e65b00a478b6c4abef710700f1484cc06db8210ee95d1080bee638b09db"}}}}, &(0x7f0000000100)={0x1, 0x2, [0x183, 0xe10, 0x96d, 0x9e5]}) [ 582.321142] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:10 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x2, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 582.386905] block nbd5: shutting down sockets [ 582.473838] block nbd5: Receive control failed (result -32) [ 582.474315] block nbd5: shutting down sockets 12:41:10 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) r4 = openat$nullb(0xffffffffffffff9c, &(0x7f00000000c0), 0x40840, 0x0) ioctl$NBD_CLEAR_SOCK(r4, 0xab04) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:41:10 executing program 4: syz_emit_ethernet(0x126, &(0x7f0000000000)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0xf0, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}, {"350fcf9e0ca68b95c4d8a54b00b5221c23a3b52e8ea746162da07bf8e159f106ddaa56493531614e6c7e74207de6abb4ea92737cbec8c969cf0d2ec132b8464d65e2858079a4e7f2ca1d04ceaca5bbba6b8817b97695b4ccd6e41ba3e76188bed11acde01ebb2c5ed07f5a7123fb66e1a9d2ce6b7376ed7109ec596df835579a02316f67a5a2984c78798fc283d6479f7ce7719106ac7e3ae2fab738"}}}}}}}, 0x0) [ 582.571385] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 582.687897] block nbd5: shutting down sockets [ 582.773866] block nbd5: Receive control failed (result -32) [ 582.778751] block nbd5: shutting down sockets [ 583.351400] block nbd1: Receive control failed (result -32) 12:41:11 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x6c) 12:41:11 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x6, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:11 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x7c}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:11 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x3, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:11 executing program 4: r0 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000140), 0x400, 0x0) ioctl$KVM_X86_SET_MCE(r0, 0x4040ae9e, &(0x7f0000000180)={0x9200000000000000, 0x4, 0x5, 0x0, 0x14}) add_key(&(0x7f0000000000)='ceph\x00', &(0x7f0000000040)={'syz', 0x0}, &(0x7f0000000080)="1b5639a442c83ec32481da687b2a428847d0ec140b08d7438312fbf992570fd922ed867a0ac30ecd961d46844d2835e2ce73bc16dc3a9648e18a2f8e21f56b99e973d33a44a8cb28fc2caa924b00e6ab4d2eb97db4048ed267737f35dd3f78a6f6f9ce1f45818abbbddd1f6daa96884e085d9d0ee4deb580c6da8c2e2dd64e4879e8bb1f83", 0x85, 0x0) 12:41:11 executing program 5: r0 = openat$cachefiles(0xffffffffffffff9c, &(0x7f00000000c0), 0x0, 0x0) sendmsg$AUDIT_GET_FEATURE(r0, &(0x7f00000001c0)={&(0x7f0000000100)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f0000000140)={0x10, 0x3fb, 0x200, 0x70bd26, 0x25dfdbfb, "", ["", "", ""]}, 0x10}, 0x1, 0x0, 0x0, 0x20004040}, 0x48000) r1 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r2 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x40, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x656, 0x5, 0x2, 0x0, 0x200}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r2, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) r5 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r6 = eventfd(0x1) r7 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r7, 0x0) preadv(r7, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r5, 0x8}, {r6, 0x3089}, {r5, 0x4000}, {r7, 0x8000}, {r5, 0x2}, {r5}], 0x6, 0x1) ioctl$PERF_EVENT_IOC_QUERY_BPF(0xffffffffffffffff, 0xc008240a, &(0x7f0000000000)={0x500}) perf_event_open(&(0x7f0000000340)={0x3, 0x80, 0x1, 0x9, 0x7, 0x80, 0x0, 0x80000001, 0x4, 0x8, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x5, 0x4, @perf_bp={&(0x7f0000000300), 0x4}, 0xa0, 0x5, 0x6, 0x8, 0x10000000000003f, 0x100003, 0x1, 0x0, 0x6}, 0x0, 0x5, 0xffffffffffffffff, 0x8) sendmsg$NL80211_CMD_NEW_INTERFACE(r7, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$NBD_SET_SOCK(r7, 0xab00, 0xffffffffffffffff) ioctl$NBD_CLEAR_SOCK(r1, 0xab04) [ 583.394133] block nbd1: shutting down sockets 12:41:11 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xff}, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:11 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x7, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:11 executing program 4: syz_emit_ethernet(0x92, &(0x7f00000000c0)={@local, @link_local, @val={@void, {0x8100, 0x7, 0x1, 0x2}}, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x58, 0x6, 0xff, @remote, @local, {[], {{0x0, 0x4e24, 0x41424344, 0x41424344, 0x0, 0x0, 0x16, 0xc2, 0x0, 0x0, 0x10, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @exp_fastopen={0xfe, 0x14, 0xf989, "b7f6546fe9e41f29123663039a64da8b"}, @md5sig={0x13, 0x12, "c0be717fe85c7ae5bc00"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) syz_emit_ethernet(0xe5, &(0x7f0000000180)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, @broadcast, @val={@val={0x9100, 0x6, 0x1}, {0x8100, 0x4, 0x1, 0x1}}, {@ipv4={0x800, @dccp={{0x6, 0x4, 0x2, 0x2, 0xcf, 0x68, 0x0, 0x1f, 0x21, 0x0, @loopback, @multicast2, {[@end]}}, {{0x4e22, 0x4e21, 0x4, 0x1, 0x3, 0x0, 0x0, 0x9, 0x0, "a940d1", 0x1f, "411d90"}, "cd026a44ee1fce4247fe0ccbc1957000e79afe7e4f341ccba590e89012572491c15c8a90bcf24428e29ddf6f0ce8eca66f838117303b6644c2e8ec90f8e6f6c5450d072acccb025d472c6732240cc9bb137486c8121915b3f7b51469b1366b696bc4f01774e25328450f5b41f2292d5822825a04e35cecd90ed9837c8ebc6f83188b44f3c780b42e916545f9d9eb29f12f3f19338cf4d21e401f6239300ef53aafea28d1442f26"}}}}}, &(0x7f0000000000)={0x0, 0x3, [0x383, 0x75, 0x46e, 0x52b]}) syz_emit_ethernet(0x26, &(0x7f0000000280)=ANY=[@ANYBLOB="bbbb00090081001d77000c010000a00101000005b1c8c022568460bff543716bfbea1cf09d13b18f582f3ceec3560acbb73e7bddb99c8c8b14577144d85c53a3f44932deede9c519fa0923fbbcb43c8c88ced14a1f801b32f464b5e1cfdf33ee8bcf3424c952943cc9d991f535bb9cc700"/123], &(0x7f0000000080)={0x0, 0x3, [0x764, 0x5a9, 0xff2, 0x66d]}) [ 583.481156] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:11 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 583.574902] block nbd5: shutting down sockets 12:41:11 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x4, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:11 executing program 4: syz_emit_ethernet(0x26c, &(0x7f0000000400)={@local, @link_local, @val={@val={0x9100, 0x3, 0x0, 0x3}, {0x8100, 0x1, 0x0, 0x3}}, {@ipv6={0x86dd, @icmpv6={0x9, 0x6, "7b85b0", 0x22e, 0x3a, 0x1, @mcast2, @empty, {[@hopopts={0x2f, 0x18, '\x00', [@ra={0x5, 0x2, 0x5}, @pad1, @enc_lim={0x4, 0x1, 0xa0}, @generic={0x3, 0x2, "07db"}, @pad1, @enc_lim={0x4, 0x1, 0x35}, @generic={0x4, 0x94, "60649e240812fa707c8d1f5e1bfe48c9851def955743c8ca6cdfd53a3faf7cea3d6d53f8a9f1453ad42c8de415ea406126d8eda82bded8279cddce7f6d948e58f4ee5f7427f0536b79a4c4684a8e634d21cda28654924a513f2e25f551f883ec3bad83abbd23d74db9c0c3e124ffb0d54494060401778ada8ddee29a3807d547f699b6b02759d0fbfa6272548733a13e3adc7641"}, @ra={0x5, 0x2, 0x7}, @calipso={0x7, 0x10, {0x0, 0x2, 0x8, 0x0, [0x980]}}, @pad1]}, @routing={0x0, 0x10, 0x2, 0x65, 0x0, [@ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0xc}}, @ipv4={'\x00', '\xff\xff', @dev={0xac, 0x14, 0x14, 0x44}}, @mcast1, @loopback, @empty, @rand_addr=' \x01\x00', @private1={0xfc, 0x1, '\x00', 0x1}, @loopback]}], @ndisc_ns={0x87, 0x0, 0x0, @remote, [{0x1f, 0x18, "21af22a81cf9bfa0f76b91f23ec6060611bf52778ad68960ae5925569a59c1d09e147aeef338ab9b2450de7045abb85ce4bc6c61f76db43b6543a2062585b35847d4baac4bc5acbd4cc05f8910eac83e0f6237821e9e7222b6565fb5edbae22ab1de17e84f3ef3a250f3a007c5669d0d64e72822a5334ff1ca6afab78c064a3fd57688fb08e40167bd05d0c155c28f9ff9106d9711119b1133ae3ca31881db8e9e742afe43f73ca35e5d0bc03c8d88830030baf12e3add07034f4c9fa0bb9218"}]}}}}}}, 0x0) syz_emit_ethernet(0x5a, &(0x7f0000000000)={@dev={'\xaa\xaa\xaa\xaa\xaa', 0x44}, @empty, @val={@void, {0x8100, 0x4, 0x0, 0x3}}, {@canfd={0xd, {{0x3, 0x0, 0x1}, 0x6, 0x1, 0x0, 0x0, "a8a5d23450b9c7b4985e30465b2870b85c6223bc774383f2b617bbfddaf6ccdd9b2d6b37476a3c3c6cd5108f9c1ca965d8d1c6fd5ce4e3cbdc07d74db035f88f"}}}}, 0x0) [ 583.642377] block nbd5: shutting down sockets [ 583.732689] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 584.309655] block nbd1: Receive control failed (result -32) 12:41:12 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x74) 12:41:12 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) ioctl$NBD_DO_IT(r1, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) socket$inet6_tcp(0xa, 0x1, 0x0) 12:41:12 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x9, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:12 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x2, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:12 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) ioctl$sock_SIOCGPGRP(r0, 0x8904, &(0x7f0000000000)) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:12 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x5, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 584.351758] block nbd1: Device being setup by another task [ 584.361174] block nbd1: shutting down sockets 12:41:12 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0xa, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:12 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x3, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 584.449071] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:12 executing program 4: syz_emit_ethernet(0x102, &(0x7f00000002c0)={@local, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x2d}, @void, {@ipx={0x8137, {0xffff, 0xf4, 0x0, 0x5, {@random=0x9, @current, 0x80}, {@random=0x40, @broadcast, 0x1}, "4ae65042a0b1b1a6a44f437cf533d79ba157d15ca7ca6968d1bbde7d6aa3642f8bf01ee327f1ededeb2c435e762a6a31fe001907276549d7eb1b0ad6f23cf2e96dc676e2b0dc2b29df5e457cf4f94429e603837d06267cbb6b58a6b09c119aada0013a361fc4a2183b57651be090e98575fa898a2e7e87ef0d9b8d3d9aa0bb066569f299de8e16840ce237be3d08899c6b945682b9a01f7bfa2e5f29d4a85796295cd3b5efa9a61c5da77c9de9f920c2595b3c6a12ef59f5b0aebeedae6950f03959cc1d02a5d815e8b19299c1809f51c988374f5d19"}}}}, &(0x7f0000000180)={0x1, 0x1, [0x905, 0x90f, 0x32b, 0xe41]}) syz_emit_ethernet(0x104, &(0x7f0000000000)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, @broadcast, @val={@void, {0x8100, 0x2, 0x0, 0x4}}, {@llc_tr={0x11, {@snap={0x0, 0x1, "1d", "c7fb3e", 0xfbfb, "b938467a67c72c37bd460f5398853f5de29f5e28d6ecba419b870f5dbe57325232876cfa50a4038e3a3a7ba187b44b54bd1d790a43086091a170049f5e660fce6cfc0120cc61137fb68ee427a7c13a67ced1cd054281484ac04720c2480f97308cedd1cb99c67cb91ea47af7177716decb3ebc363f8002eda4f18fc720e2cf91aabbd08b9b8e634fe82e52085c8ca99a11895fa418819c1091c7e71031dbae3f20cdac77e3894e1acc81f9154f34cfa002b4d007ba18d468218c4b6a041aeeb88937bce3d4ca28795403b02750c4cbc074d36903e428ab07c6730f9e0c47634f8f16b7d0901cbb34dca9"}}}}}, &(0x7f0000000140)={0x1, 0x3, [0xa9f, 0x4ec, 0x875, 0x5b3]}) syz_emit_ethernet(0x1e, &(0x7f00000001c0)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0xe}, @multicast, @void, {@can={0xc, {{0x2, 0x1, 0x1}, 0x1, 0x3, 0x0, 0x0, "1aa61cd8bb13c3cc"}}}}, &(0x7f0000000200)={0x0, 0x1, [0x97e, 0x27b, 0x44b, 0x947]}) [ 584.568744] block nbd5: shutting down sockets 12:41:12 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0xe, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:12 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x4, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:12 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x6, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 584.683751] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:13 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x7a) 12:41:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x101000) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)) r1 = socket(0x18, 0x0, 0x0) getsockname$netlink(r1, 0x0, &(0x7f0000000380)) bind$rxrpc(r1, &(0x7f0000000240)=@in6={0x21, 0x1, 0x2, 0x1c, {0xa, 0x4e23, 0xd1575ea, @mcast2, 0x4}}, 0x24) r2 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f00000000c0), 0x4c2e80, 0x0) r3 = socket(0x18, 0x0, 0x0) getsockname$netlink(r3, 0x0, &(0x7f0000000380)) syz_genetlink_get_family_id$mptcp(&(0x7f0000000280), r3) ioctl$NBD_SET_SOCK(r0, 0xab00, r2) r4 = socket(0x18, 0x0, 0x0) getsockname$netlink(r4, 0x0, &(0x7f0000000380)) openat$dlm_plock(0xffffffffffffff9c, &(0x7f0000000100), 0x8500, 0x0) r5 = socket(0x9, 0x0, 0x0) sendmsg$NL80211_CMD_NOTIFY_RADAR(r5, &(0x7f0000000200)={&(0x7f0000000140), 0xc, &(0x7f00000001c0)={&(0x7f00000003c0)=ANY=[@ANYBLOB="07e80900d9ecfb6caf132d0add73e0aa2f621e208993c295fd87719b498046df1842d567adc43cc3171390a8a18702b72be3bd126ce0085d5da83d025aa520bec21fcd011ae4f6afc06ea041", @ANYRES16=0x0, @ANYBLOB="040021bd7000fcdbd725860000000c009900000000005a0000000800a100200050ce000000008700e3000008009f0001000000"], 0x38}, 0x1, 0x0, 0x0, 0x4080}, 0x811) ioctl$NBD_SET_SOCK(r1, 0xab00, r4) r6 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x60e043) ioctl$NBD_DO_IT(r6, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) 12:41:13 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000003840)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd600a3ff200540600fe8000000000000000000000000000bbfe8000000000000000000000000000aa00004e22", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB="50c200009078000003030003030013121f84d25295f6d5d0b73b676219cae49a220d1ed768defec302204122031312719bdceabbf6821779ca041344a93c6efe06e2d4c3d9000000f3a77334be44e985ccd682472edf76ad6d3dfd233055aa07b5a9a9dda142c28d1e9c88ebc02789cc0e44"], 0x0) syz_emit_ethernet(0x6b, &(0x7f0000000240)={@local, @random="385652d24cec", @void, {@x25={0x805, {0x2, 0xab, 0x5, "cc607e064d8ed7fa1bc01aa593234c0da16736b12b700689cce28c267427f85107c75e851b7a52f8331499237475438d4cd61d83de8d772e5b45fce286ad7b4a5f1cd2f32a0df0a01239d099c08b1a60acd6408fce29ee3741e6"}}}}, &(0x7f0000002900)={0x0, 0x1, [0xa48, 0xde5, 0xbdf, 0x1c5]}) syz_emit_ethernet(0x3e, &(0x7f0000003100)={@dev={'\xaa\xaa\xaa\xaa\xaa', 0xb}, @dev={'\xaa\xaa\xaa\xaa\xaa', 0x3f}, @void, {@mpls_mc={0x8848, {[{0x1}, {0x8}, {0x6, 0x0, 0x1}], @generic="a09bbeec03a59cee323fa30855d9a5d5ecf5c5b63842116e26a1f8ab2e4c7963201b38c3"}}}}, &(0x7f00000039c0)={0x0, 0x1, [0x4c9, 0x55c, 0x345, 0xc69]}) syz_emit_ethernet(0x3f, &(0x7f0000003900)={@link_local={0x1, 0x80, 0xc2, 0x0, 0x0, 0x1}, @remote, @void, {@ipx={0x8137, {0xffff, 0x31, 0x0, 0x0, {@broadcast, @broadcast, 0x7f}, {@broadcast, @current}, "d0d0e9874a865097b04c2574285e7a35da10ba"}}}}, &(0x7f0000003940)={0x0, 0x1, [0x3a1, 0x3b2, 0xad8, 0x3aa]}) recvmmsg(0xffffffffffffffff, &(0x7f0000003680)=[{{&(0x7f0000000000)=@rc={0x1f, @fixed}, 0x80, &(0x7f00000013c0)=[{&(0x7f0000000080)=""/69, 0x45}, {&(0x7f00000001c0)=""/121, 0x79}, {&(0x7f00000002c0)=""/239, 0xef}, {&(0x7f00000003c0)=""/4096, 0x1000}, {0xffffffffffffffff}], 0x5, &(0x7f0000001440)=""/87, 0x57}, 0x7}, {{&(0x7f00000014c0)=@ethernet={0x0, @local}, 0x80, &(0x7f00000027c0)=[{&(0x7f0000001540)=""/117, 0x75}, {&(0x7f00000015c0)=""/4096, 0x1000}, {&(0x7f00000025c0)=""/236, 0xec}, {&(0x7f00000026c0)=""/202, 0xca}], 0x4, &(0x7f0000002800)=""/172, 0xac}, 0x1}, {{0x0, 0x0, &(0x7f0000002b00)=[{&(0x7f00000028c0)=""/54, 0x36}, {&(0x7f0000002940)=""/215, 0xd7}, {&(0x7f0000002a40)=""/185, 0xb9}], 0x3, &(0x7f0000002b40)=""/90, 0x5a}, 0x7fffffff}, {{&(0x7f0000002bc0)=@ll={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, 0x80, &(0x7f0000002e40)=[{&(0x7f0000002c40)=""/8, 0x8}, {&(0x7f0000002c80)=""/83, 0x53}, {&(0x7f0000002d00)=""/238, 0xee}, {&(0x7f0000002e00)=""/15, 0xf}], 0x4, &(0x7f0000002e80)=""/245, 0xf5}, 0x7ff}, {{&(0x7f0000002f80)=@vsock={0x28, 0x0, 0x0, @hyper}, 0xfffffffffffffd02, &(0x7f00000031c0)=[{&(0x7f0000003000)=""/93, 0x5d}, {&(0x7f0000003080)=""/80, 0x50}, {&(0x7f0000000100)=""/182, 0xb6}], 0x3, &(0x7f0000003980)=""/21, 0x15}, 0x3c}, {{&(0x7f0000003240)=@pptp={0x18, 0x2, {0x0, @empty}}, 0x80, &(0x7f0000003580)=[{&(0x7f00000032c0)=""/94, 0x5e}, {&(0x7f0000003340)=""/185, 0xb9}, {&(0x7f0000003400)=""/206, 0xce}, {&(0x7f0000003500)=""/119, 0x77}], 0x4, &(0x7f00000035c0)=""/180, 0xb4}, 0x9}], 0x6, 0x10020, &(0x7f0000003800)) syz_emit_ethernet(0x5a, &(0x7f0000003140)={@remote, @local, @val={@void, {0x8100, 0x0, 0x0, 0x1}}, {@canfd={0xd, {{0x3, 0x1, 0x1, 0x1}, 0xc, 0x3, 0x0, 0x0, "feafff204083ebe04b95cf3409bcd55872e92363991011659518fd43629ed59213d4172deed563a1e207ad2d91e3a1c1f7165a3e4b6ec5396a398695826c8d23"}}}}, &(0x7f0000003200)={0x1, 0x4, [0xf54, 0xe, 0xb06, 0x813]}) 12:41:13 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x5, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:13 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x11, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:13 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x7, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 585.267364] block nbd1: Receive control failed (result -32) [ 585.273494] block nbd1: shutting down sockets 12:41:13 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x60, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:13 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x6, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 585.379388] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:13 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) syz_emit_ethernet(0x26, &(0x7f0000000000)=ANY=[@ANYBLOB="bbbbbbbbbbbbaa95dcaaaabb9100440081001e00000c000000400302000057ead36b7c429ffa"], &(0x7f0000000040)={0x0, 0x2, [0x716, 0xa4f, 0x809, 0x98f]}) 12:41:13 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x4, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:13 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x7, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:13 executing program 5: r0 = syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x600502) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 586.204928] block nbd1: Receive control failed (result -32) [ 586.241757] block nbd1: Device being setup by another task [ 586.250629] block nbd1: shutting down sockets 12:41:14 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x300) 12:41:14 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x7c, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:14 executing program 4: syz_emit_ethernet(0xdb, &(0x7f0000000000)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0xa5, 0x6, 0x0, @remote, @rand_addr=' \x01\x00', {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}, {"5f94e834c4ddd74a482750cb9a3a258fe076f331d6260936ff44a43921521c0773c288d98b506fff438942dbb2dc790b46c1dc2fda187f91aaf9712fd73ee0379ff6b529ef51f0644a226a8c72676e5fff"}}}}}}}, 0x0) 12:41:14 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x9, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:14 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x6, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:14 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0xa, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:14 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd600a3ff200540600fe8000000000000000000000000000bbfe8000000000000000000000000000aa00004e22", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB="50c200009078000003030003030013121f8442919cb08604770b37d25295f6d5d0b73b676219cae49a220d1ed768defecb02204122031312719bdceabbf6821779ca041344a93c6e"], 0x0) syz_emit_ethernet(0x7e, &(0x7f00000000c0)={@random="5a427567c3b3", @random="d7e6f4f6d38a", @val={@val={0x9100, 0x4, 0x1, 0x2}, {0x8100, 0x2, 0x0, 0x2}}, {@ipv4={0x800, @generic={{0x15, 0x4, 0x3, 0x6, 0x68, 0x64, 0x0, 0x80, 0x5c, 0x0, @remote, @multicast1, {[@lsrr={0x83, 0x1b, 0xbf, [@rand_addr=0x64010100, @broadcast, @multicast2, @loopback, @multicast2, @multicast2]}, @noop, @ssrr={0x89, 0x1f, 0x31, [@private=0xa010100, @multicast1, @empty, @multicast2, @loopback, @private=0xa010101, @private=0xa010101]}, @ra={0x94, 0x4, 0x1}]}}, "975903fe00c97293128870a14a38a6c746f3df74"}}}}, &(0x7f0000000140)={0x0, 0x3, [0x27e, 0xb77, 0x7a1, 0x9bd]}) syz_extract_tcp_res$synack(&(0x7f0000000180), 0x1, 0x0) syz_emit_ethernet(0x5a, &(0x7f0000000000)={@local, @remote, @val={@void, {0x8100, 0x1, 0x1, 0x4}}, {@canfd={0xd, {{0x2}, 0x3e, 0x2, 0x0, 0x0, "30fbe7918c278847a68825d535a36fdbad2ed402965633ca8bcce8b8ab4785f7398f5ab6b1cc8e561a3f121098974bb2c2a4b6ee0da930919366c4c3cdb8d49c"}}}}, &(0x7f0000000080)={0x1, 0x2, [0xaba, 0x703, 0x5a9, 0x815]}) [ 586.341788] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:14 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x300, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:14 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0xf, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 586.383756] block nbd5: Receive control failed (result -32) [ 586.389845] block nbd5: shutting down sockets 12:41:14 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x9, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:14 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0x80, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 586.494775] block nbd5: Receive control failed (result -32) [ 586.495096] block nbd5: shutting down sockets 12:41:14 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x5, 0x80, 0x0, 0xff, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x4, 0x3}, 0x324, 0x0, 0xfffffffc, 0x9}, 0x0, 0xfffffdffffffffff, 0xffffffffffffffff, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 586.557174] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 586.735745] block nbd5: shutting down sockets 12:41:15 executing program 1: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) r3 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r3, 0xab03) ioctl$NBD_SET_SIZE(r0, 0xab02, 0x500) 12:41:15 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x500, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:15 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x2, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:15 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPCTNL_MSG_EXP_DELETE(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000700)={0x14, 0x2, 0x2, 0x101}, 0x14}}, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c2005e686942000086dd600a3ff200540600fe8000000000000000000000000000bbfe800000000000cf7a0ca451e03f83aa00004e22", @ANYRES32=0x41424344, @ANYRES16=r0, @ANYBLOB="50c20000907800000c030003030013121f84d25295f6d5d0b73b676219cae49a220d1ed768defecb02204122031312719bdceabbf6821779ca041344a93c6efe06e2d4c3d9000000"], 0x0) syz_emit_ethernet(0x8f, &(0x7f00000000c0)={@broadcast, @empty, @void, {@ipv4={0x800, @udp={{0xa, 0x4, 0x1, 0x8, 0x81, 0x68, 0x0, 0x81, 0x11, 0x0, @remote, @private=0xa010102, {[@timestamp={0x44, 0x8, 0xd5, 0x0, 0x2, [0x6]}, @lsrr={0x83, 0xb, 0x52, [@local, @dev={0xac, 0x14, 0x14, 0x42}]}]}}, {0x4e22, 0x4e22, 0x59, 0x0, @gue={{0x1, 0x0, 0x0, 0xff, 0x100, @void}, "9d56032ccc2d5836b0b12e36febd424db437038c4552852d6775c06b66ce852eda658dcb82415feb6b0c9aaf723dd90d2cc93d52e6d4fea022f75edded1e4bd3db6f1d1a42d98755c30e07bc95"}}}}}}, &(0x7f00000001c0)={0x0, 0x3, [0x68d, 0x56f, 0xa5e, 0xc3b]}) 12:41:15 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0xa, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:15 executing program 5: r0 = syz_open_dev$ndb(&(0x7f0000000000), 0x0, 0x0) r1 = syz_open_dev$ndb(&(0x7f0000000940), 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 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, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$sock_kcm_SIOCKCMCLONE(0xffffffffffffffff, 0x89e2, &(0x7f00000000c0)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff}) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) r4 = syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) ioctl$NBD_DO_IT(r4, 0xab03) ioctl$NBD_CLEAR_SOCK(r0, 0xab04) [ 587.127585] block nbd1: Receive control failed (result -32) [ 587.161766] block nbd1: Device being setup by another task [ 587.168994] block nbd1: shutting down sockets 12:41:15 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x3, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 587.229754] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 12:41:15 executing program 4: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) syz_emit_ethernet(0x22, &(0x7f00000001c0)={@local, @empty, @val={@void, {0x8100, 0x7, 0x0, 0x1}}, {@can={0xc, {{0x0, 0x0, 0x1, 0x1}, 0x0, 0x0, 0x0, 0x0, "e7c8597d53c67f2e"}}}}, &(0x7f00000002c0)={0x0, 0x3, [0xfd3, 0xbf3, 0xa39, 0x395]}) syz_emit_ethernet(0x40, &(0x7f0000000000)={@empty, @multicast, @val={@void, {0x8100, 0x5, 0x1, 0x2}}, {@llc={0x4, {@llc={0x62, 0x0, "961c", "e03880f16a18c33c41e65d5d6bca7d930d64b273ee9ce3fe4ce8044a755c78ae836d8aa748b953a3a5d8"}}}}}, &(0x7f0000000040)={0x0, 0x3, [0xb63, 0xcc0, 0xd95, 0x522]}) syz_emit_ethernet(0xe7, &(0x7f0000000080)={@remote, @multicast, @void, {@mpls_mc={0x8848, {[], @generic="9a416f67b2a7dd554134b1c6f8496706b8a9cc4bb5d7268822c169ed2516e9725d0c5db52431905102040bf594ca8bf6dbd61fce3022f029a500e1d19f2542a36f4c2b88084bbaa6129cd898e795e22ee12babb955aee072c761d1f465e5767fa948e23000f35bdd30ce2050638cd3290fe520be2e960847923906ee74d4d58460c969713f7630839b0c0ce65090c0bcf72667d20a4942c675b5bc2db99ce9e2b6c935da436337802453e56fae4ed8a14342bf86e1e81908fe34a7d6d9df2e3feba9d6439f1a60682528648302bdc3a375a3a9db1420e71386"}}}}, &(0x7f0000000180)={0x0, 0x1, [0x6c7, 0x335, 0xa1e, 0x8b6]}) 12:41:15 executing program 2: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x600, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:15 executing program 3: syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x4, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0x15, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) 12:41:15 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r0, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r0, 0x0) syz_emit_ethernet(0x8a, &(0x7f0000000200)={@local, @link_local, @void, {@ipv6={0x86dd, @tcp={0x0, 0x6, "0a3ff2", 0x54, 0x6, 0x0, @remote, @local, {[], {{0x0, 0x4e22, 0x41424344, 0x41424344, 0x0, 0x0, 0xb, 0xc2, 0x0, 0x0, 0x0, {[@window={0x3, 0x3}, @window={0x3, 0x3}, @md5sig={0x13, 0x12, "1f84d25295f6d5d0b73b676219cae49a"}, @fastopen={0x22, 0xd, "1ed768defecb0220412203"}, @md5sig={0x13, 0x12, "719bdceabbf6821779ca041344a93c6e"}, @exp_smc={0xfe, 0x6}]}}}}}}}}, 0x0) [ 587.351960] block nbd5: shutting down sockets 12:41:15 executing program 4: r0 = perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = eventfd(0x1) r2 = openat(0xffffffffffffffff, &(0x7f0000000080)='/proc/self/exe\x00', 0x10002, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1800003, 0x12, r2, 0x0) preadv(r2, &(0x7f0000000280), 0x18, 0xd9f, 0x0) poll(&(0x7f00000001c0)=[{r0, 0x8}, {r1, 0x3089}, {r0, 0x4000}, {r2, 0x8000}, {r0, 0x2}, {r0}], 0x6, 0x1) sendmsg$NL80211_CMD_NEW_INTERFACE(r2, &(0x7f00000003c0)={&(0x7f0000000200)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f00000002c0)={&(0x7f0000000240)={0x50, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {{}, {@val={0x8, 0x1, 0x5e}, @val={0x8}, @val={0xc, 0x99, {0x80000000, 0x77}}}}, [@mon_options=[@NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR={0xa, 0xe8, @broadcast}, @NL80211_ATTR_MNTR_FLAGS={0x14, 0x17, 0x0, 0x1, [@NL80211_MNTR_FLAG_CONTROL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}, @NL80211_MNTR_FLAG_PLCPFAIL={0x4}]}]]}, 0x50}}, 0x800) ioctl$GIO_UNISCRNMAP(r2, 0x4b69, &(0x7f0000000180)=""/125) syz_emit_ethernet(0x8a, &(0x7f0000000000)=ANY=[@ANYBLOB="aaaaaaaaaaaa0180c200000086dd600a8000000000000000000000000000bbfe80000000000000000000000000b8231ce512cf52df0000000000b4300c05e1a327b99faf781d9c925b96525ef27a071dc3ff5b9d2ff78e45a59b1a939bbb9aaa04617b5331dd6f3ba2e3bd30135ac3dba076ee9c18368bf21b3eb23c7f8d4b8fe41fd5add4859ec440fa6e3ad6a34c87e7e7f63bb09582a7cb0cf471376b426897e662bd668d5f03e65e5671038422ac3473108f57cc410180bb28282f4f522c168bd33d6a24d70319796243c44271b8437ed89b08bec3cc76418c7d777dc6618c36d6f3a2df7585410ae26c551d102907", @ANYRES32=0x41424344, @ANYRES32=0x41424344, @ANYBLOB="50c200009078000003030003030013121f84d25295f6d5d0b73b676219cae49a220d1ed768defecb02204122031312719bdceabbf6821779ca041344a93c6efe06e2d4c3d9000000"], 0x0) [ 588.104462] block nbd1: Receive control failed (result -104) [ 625.252911] ieee802154 phy0 wpan0: encryption failed: -22 [ 625.258488] ieee802154 phy1 wpan1: encryption failed: -22 [ 686.683705] ieee802154 phy0 wpan0: encryption failed: -22 [ 686.689303] ieee802154 phy1 wpan1: encryption failed: -22 [ 748.124365] ieee802154 phy0 wpan0: encryption failed: -22 [ 748.130060] ieee802154 phy1 wpan1: encryption failed: -22 [ 751.322039] INFO: task syz-executor.1:32196 blocked for more than 140 seconds. [ 751.329520] Not tainted 4.19.196-syzkaller #0 [ 751.334743] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 751.342817] syz-executor.1 D28560 32196 8135 0x00000004 [ 751.348439] Call Trace: [ 751.351013] __schedule+0x887/0x2040 [ 751.354808] ? io_schedule_timeout+0x140/0x140 [ 751.359416] ? lock_downgrade+0x720/0x720 [ 751.363633] ? __mutex_lock+0x415/0x1200 [ 751.367712] schedule+0x8d/0x1b0 [ 751.371061] schedule_preempt_disabled+0xf/0x20 [ 751.376341] __mutex_lock+0x604/0x1200 [ 751.380263] ? nbd_ioctl+0x765/0xbe0 [ 751.384094] ? mutex_trylock+0x1a0/0x1a0 [ 751.388168] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 751.393347] nbd_ioctl+0x765/0xbe0 [ 751.396911] ? nbd_disconnect_and_put+0x190/0x190 [ 751.401761] ? wait_woken+0x250/0x250 [ 751.405660] ? __lock_acquire+0x6de/0x3ff0 [ 751.409910] ? nbd_disconnect_and_put+0x190/0x190 [ 751.414801] blkdev_ioctl+0x5cb/0x1a80 [ 751.419439] ? blkpg_ioctl+0x9d0/0x9d0 [ 751.424242] ? do_futex+0x171/0x1880 [ 751.428036] ? mark_held_locks+0xf0/0xf0 [ 751.432892] ? debug_check_no_obj_freed+0x201/0x490 [ 751.437938] ? futex_exit_release+0x220/0x220 [ 751.442523] block_ioctl+0xe9/0x130 [ 751.446148] ? blkdev_fallocate+0x3f0/0x3f0 [ 751.450540] do_vfs_ioctl+0xcdb/0x12e0 [ 751.454522] ? lock_downgrade+0x720/0x720 [ 751.458676] ? check_preemption_disabled+0x41/0x280 [ 751.463797] ? ioctl_preallocate+0x200/0x200 [ 751.468225] ? __fget+0x356/0x510 [ 751.471667] ? do_dup2+0x450/0x450 [ 751.475267] ? __se_sys_futex+0x298/0x3b0 [ 751.479442] ksys_ioctl+0x9b/0xc0 [ 751.482994] __x64_sys_ioctl+0x6f/0xb0 [ 751.486886] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 751.491454] do_syscall_64+0xf9/0x620 [ 751.495337] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 751.500538] RIP: 0033:0x4665d9 [ 751.503807] Code: 00 00 8b bb 24 01 00 00 41 89 f0 c1 e6 11 41 31 f0 89 fe 44 31 c7 41 c1 e8 07 41 31 f8 89 f7 c1 ee 10 44 31 c6 8d 04 37 49 89 48 99 48 f7 f9 89 bb 20 01 00 00 89 b3 24 01 00 00 48 85 d2 74 [ 751.522810] RSP: 002b:00007f0b3db3c188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 751.530947] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 751.538275] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 751.545621] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 751.552975] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 751.560247] R13: 00007ffc2457d22f R14: 00007f0b3db3c300 R15: 0000000000022000 [ 751.568954] INFO: task syz-executor.1:32211 blocked for more than 140 seconds. [ 751.576757] Not tainted 4.19.196-syzkaller #0 [ 751.582034] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 751.590005] syz-executor.1 D29544 32211 8135 0x00000004 [ 751.595946] Call Trace: [ 751.598571] __schedule+0x887/0x2040 [ 751.602597] ? io_schedule_timeout+0x140/0x140 [ 751.607194] ? prepare_to_wait_exclusive+0x2d0/0x2d0 [ 751.612406] schedule+0x8d/0x1b0 [ 751.615778] blk_mq_freeze_queue_wait+0x119/0x270 [ 751.620632] ? blk_mq_poll_stats_fn+0x210/0x210 [ 751.625390] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 751.630493] ? wait_woken+0x250/0x250 [ 751.634382] ? blk_freeze_queue_start+0x124/0x200 [ 751.639229] nbd_add_socket+0x168/0x840 [ 751.643280] ? cap_capable+0x1eb/0x250 [ 751.647185] ? nbd_put+0x50/0x50 [ 751.650545] ? security_capable+0x8f/0xc0 [ 751.654925] nbd_ioctl+0x584/0xbe0 [ 751.658493] ? drop_futex_key_refs+0x6f/0xe0 [ 751.663006] ? nbd_disconnect_and_put+0x190/0x190 [ 751.667853] ? __lock_acquire+0x6de/0x3ff0 [ 751.672180] ? nbd_disconnect_and_put+0x190/0x190 [ 751.677032] blkdev_ioctl+0x5cb/0x1a80 [ 751.680901] ? blkpg_ioctl+0x9d0/0x9d0 [ 751.684849] ? do_futex+0x171/0x1880 [ 751.688570] ? mark_held_locks+0xf0/0xf0 [ 751.692711] ? debug_check_no_obj_freed+0x201/0x490 [ 751.697729] ? futex_exit_release+0x220/0x220 [ 751.702329] block_ioctl+0xe9/0x130 [ 751.705961] ? blkdev_fallocate+0x3f0/0x3f0 [ 751.710278] do_vfs_ioctl+0xcdb/0x12e0 [ 751.714257] ? lock_downgrade+0x720/0x720 [ 751.718413] ? check_preemption_disabled+0x41/0x280 [ 751.724004] ? ioctl_preallocate+0x200/0x200 [ 751.728508] ? __fget+0x356/0x510 [ 751.732048] ? do_dup2+0x450/0x450 [ 751.735598] ? __se_sys_futex+0x298/0x3b0 [ 751.739743] ksys_ioctl+0x9b/0xc0 [ 751.743256] __x64_sys_ioctl+0x6f/0xb0 [ 751.748226] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 751.752989] do_syscall_64+0xf9/0x620 [ 751.756798] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 751.762077] RIP: 0033:0x4665d9 [ 751.765279] Code: Bad RIP value. [ 751.768631] RSP: 002b:00007f0b3db1b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 751.776399] RAX: ffffffffffffffda RBX: 000000000056c038 RCX: 00000000004665d9 [ 751.783741] RDX: 0000000000000005 RSI: 000000000000ab00 RDI: 0000000000000004 [ 751.791022] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 751.798354] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c038 [ 751.805710] R13: 00007ffc2457d22f R14: 00007f0b3db1b300 R15: 0000000000022000 [ 751.813140] INFO: task syz-executor.1:32228 blocked for more than 140 seconds. [ 751.820601] Not tainted 4.19.196-syzkaller #0 [ 751.825687] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 751.833702] syz-executor.1 D29584 32228 8135 0x00000004 [ 751.839347] Call Trace: [ 751.842035] __schedule+0x887/0x2040 [ 751.845762] ? io_schedule_timeout+0x140/0x140 [ 751.850450] ? lock_downgrade+0x720/0x720 [ 751.854672] ? __mutex_lock+0x415/0x1200 [ 751.858744] schedule+0x8d/0x1b0 [ 751.863139] schedule_preempt_disabled+0xf/0x20 [ 751.867806] __mutex_lock+0x604/0x1200 [ 751.871684] ? preempt_schedule_common+0x45/0xc0 [ 751.876547] ? nbd_ioctl+0x151/0xbe0 [ 751.880262] ? mutex_trylock+0x1a0/0x1a0 [ 751.884405] ? try_to_wake_up+0x733/0x1050 [ 751.888647] ? security_capable+0x8f/0xc0 [ 751.892876] nbd_ioctl+0x151/0xbe0 [ 751.896444] ? drop_futex_key_refs+0x6f/0xe0 [ 751.900850] ? nbd_disconnect_and_put+0x190/0x190 [ 751.905761] ? __lock_acquire+0x6de/0x3ff0 [ 751.910003] ? nbd_disconnect_and_put+0x190/0x190 [ 751.914947] blkdev_ioctl+0x5cb/0x1a80 [ 751.918850] ? blkpg_ioctl+0x9d0/0x9d0 [ 751.922822] ? do_futex+0x171/0x1880 [ 751.926545] ? mark_held_locks+0xf0/0xf0 [ 751.930613] ? debug_check_no_obj_freed+0x201/0x490 [ 751.935700] ? futex_exit_release+0x220/0x220 [ 751.940203] block_ioctl+0xe9/0x130 [ 751.943939] ? blkdev_fallocate+0x3f0/0x3f0 [ 751.948288] do_vfs_ioctl+0xcdb/0x12e0 [ 751.952270] ? lock_downgrade+0x720/0x720 [ 751.956426] ? check_preemption_disabled+0x41/0x280 [ 751.961434] ? ioctl_preallocate+0x200/0x200 [ 751.965910] ? __fget+0x356/0x510 [ 751.969391] ? do_dup2+0x450/0x450 [ 751.973012] ? __se_sys_futex+0x298/0x3b0 [ 751.977165] ksys_ioctl+0x9b/0xc0 [ 751.980620] __x64_sys_ioctl+0x6f/0xb0 [ 751.984596] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 751.989201] do_syscall_64+0xf9/0x620 [ 751.993102] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 751.998291] RIP: 0033:0x4665d9 [ 752.001466] Code: Bad RIP value. [ 752.004934] RSP: 002b:00007f0b3dafa188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 752.012758] RAX: ffffffffffffffda RBX: 000000000056c0f0 RCX: 00000000004665d9 [ 752.020050] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000007 [ 752.027396] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 752.034771] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c0f0 [ 752.042575] R13: 00007ffc2457d22f R14: 00007f0b3dafa300 R15: 0000000000022000 [ 752.049908] INFO: task syz-executor.1:32229 blocked for more than 140 seconds. [ 752.058013] Not tainted 4.19.196-syzkaller #0 [ 752.063140] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 752.071104] syz-executor.1 D29320 32229 8135 0x00000004 [ 752.077018] Call Trace: [ 752.079630] __schedule+0x887/0x2040 [ 752.083435] ? io_schedule_timeout+0x140/0x140 [ 752.088040] ? lock_downgrade+0x720/0x720 [ 752.092288] ? __mutex_lock+0x415/0x1200 [ 752.096363] schedule+0x8d/0x1b0 [ 752.099740] schedule_preempt_disabled+0xf/0x20 [ 752.104516] __mutex_lock+0x604/0x1200 [ 752.108425] ? nbd_ioctl+0x151/0xbe0 [ 752.112261] ? mutex_trylock+0x1a0/0x1a0 [ 752.116333] ? security_capable+0x8f/0xc0 [ 752.120474] nbd_ioctl+0x151/0xbe0 [ 752.124164] ? nbd_disconnect_and_put+0x190/0x190 [ 752.129034] ? __lock_acquire+0x6de/0x3ff0 [ 752.133365] ? nbd_disconnect_and_put+0x190/0x190 [ 752.138221] blkdev_ioctl+0x5cb/0x1a80 [ 752.142212] ? blkpg_ioctl+0x9d0/0x9d0 [ 752.146129] ? mark_held_locks+0xf0/0xf0 [ 752.150195] ? lock_downgrade+0x720/0x720 [ 752.154431] ? lock_acquire+0x170/0x3c0 [ 752.158424] ? kcov_ioctl+0x1e/0x1e0 [ 752.162259] block_ioctl+0xe9/0x130 [ 752.165915] ? blkdev_fallocate+0x3f0/0x3f0 [ 752.170253] do_vfs_ioctl+0xcdb/0x12e0 [ 752.174245] ? lock_downgrade+0x720/0x720 [ 752.178438] ? check_preemption_disabled+0x41/0x280 [ 752.183526] ? ioctl_preallocate+0x200/0x200 [ 752.187951] ? __fget+0x356/0x510 [ 752.191414] ? do_dup2+0x450/0x450 [ 752.195169] ? lock_acquire+0x170/0x3c0 [ 752.199212] ? finish_task_switch+0x118/0x760 [ 752.203868] ksys_ioctl+0x9b/0xc0 [ 752.207334] __x64_sys_ioctl+0x6f/0xb0 [ 752.211269] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 752.215970] do_syscall_64+0xf9/0x620 [ 752.219895] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 752.225241] RIP: 0033:0x4665d9 [ 752.228444] Code: Bad RIP value. [ 752.231876] RSP: 002b:00007f0b3dad9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 752.239607] RAX: ffffffffffffffda RBX: 000000000056c1a8 RCX: 00000000004665d9 [ 752.246950] RDX: 0000000000000500 RSI: 000000000000ab02 RDI: 0000000000000003 [ 752.254317] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 752.261587] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c1a8 [ 752.268938] R13: 00007ffc2457d22f R14: 00007f0b3dad9300 R15: 0000000000022000 [ 752.276341] [ 752.276341] Showing all locks held in the system: [ 752.283042] 3 locks held by kworker/u4:1/23: [ 752.287457] 1 lock held by khungtaskd/1569: [ 752.292037] #0: 000000008732f470 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 752.300691] 1 lock held by in:imklog/7808: [ 752.305031] 1 lock held by syz-executor.1/32196: [ 752.309786] #0: 000000009b5995a0 (&nbd->config_lock){+.+.}, at: nbd_ioctl+0x765/0xbe0 [ 752.317947] 1 lock held by syz-executor.1/32211: [ 752.322778] #0: 000000009b5995a0 (&nbd->config_lock){+.+.}, at: nbd_ioctl+0x151/0xbe0 [ 752.330851] 1 lock held by syz-executor.1/32228: [ 752.335682] #0: 000000009b5995a0 (&nbd->config_lock){+.+.}, at: nbd_ioctl+0x151/0xbe0 [ 752.343854] 1 lock held by syz-executor.1/32229: [ 752.348597] #0: 000000009b5995a0 (&nbd->config_lock){+.+.}, at: nbd_ioctl+0x151/0xbe0 [ 752.356733] [ 752.358362] ============================================= [ 752.358362] [ 752.365479] NMI backtrace for cpu 1 [ 752.369123] CPU: 1 PID: 1569 Comm: khungtaskd Not tainted 4.19.196-syzkaller #0 [ 752.376552] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 752.386424] Call Trace: [ 752.389014] dump_stack+0x1fc/0x2ef [ 752.392641] nmi_cpu_backtrace.cold+0x63/0xa2 [ 752.397129] ? lapic_can_unplug_cpu+0x80/0x80 [ 752.401626] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 752.406905] watchdog+0x991/0xe60 [ 752.410363] ? reset_hung_task_detector+0x30/0x30 [ 752.415359] kthread+0x33f/0x460 [ 752.419089] ? kthread_park+0x180/0x180 [ 752.423073] ret_from_fork+0x24/0x30 [ 752.426935] Sending NMI from CPU 1 to CPUs 0: [ 752.431887] NMI backtrace for cpu 0 [ 752.431894] CPU: 0 PID: 4691 Comm: systemd-journal Not tainted 4.19.196-syzkaller #0 [ 752.431901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 752.431906] RIP: 0010:__sanitizer_cov_trace_cmp8+0x4/0x20 [ 752.431917] Code: 00 00 00 00 00 90 48 8b 0c 24 89 f2 89 fe bf 04 00 00 00 e9 4e ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 0c 24 <48> 89 f2 48 89 fe bf 06 00 00 00 e9 2c ff ff ff 66 66 2e 0f 1f 84 [ 752.431922] RSP: 0018:ffff8880a0e17a28 EFLAGS: 00000246 [ 752.431930] RAX: 0000000000000007 RBX: dffffc0000000000 RCX: ffffffff816c428d [ 752.431936] RDX: 0000000000000000 RSI: 0000000040000000 RDI: 0000000000000000 [ 752.431941] RBP: ffff8880a0e17b00 R08: 0000000000000000 R09: 00000000c000003e [ 752.431947] R10: 0000000000000006 R11: 0000000000000000 R12: ffffffff886fb2c0 [ 752.431952] R13: ffffed10141c2f62 R14: ffffc90001ad4070 R15: 0000000040000000 [ 752.431958] FS: 00007f4190ac38c0(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 752.431963] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 752.431969] CR2: 00007f418d47d500 CR3: 00000000a1325000 CR4: 00000000001406f0 [ 752.431975] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 752.431980] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 752.431983] Call Trace: [ 752.431987] ___bpf_prog_run+0x13cd/0x50b0 [ 752.431991] ? is_console_locked+0x10/0x10 [ 752.431995] ? __bpf_prog_run32+0x8f/0xd0 [ 752.431999] ? __bpf_prog_run64+0xd0/0xd0 [ 752.432003] ? lock_downgrade+0x720/0x720 [ 752.432008] ? __lock_acquire+0x6de/0x3ff0 [ 752.432012] ? seccomp_run_filters+0x124/0x590 [ 752.432016] ? __put_seccomp_filter+0xa0/0xa0 [ 752.432020] ? mark_held_locks+0xf0/0xf0 [ 752.432024] ? __seccomp_filter+0x93/0xca0 [ 752.432028] ? seccomp_send_sigsys+0x1c0/0x1c0 [ 752.432032] ? lock_downgrade+0x720/0x720 [ 752.432036] ? lock_acquire+0x170/0x3c0 [ 752.432039] ? mark_held_locks+0xf0/0xf0 [ 752.432043] ? __might_fault+0x192/0x1d0 [ 752.432047] ? __secure_computing+0xfc/0x360 [ 752.432051] ? syscall_trace_enter+0x563/0xd60 [ 752.432055] ? syscall_slow_exit_work+0x630/0x630 [ 752.432060] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 752.432064] ? trace_hardirqs_off_caller+0x6e/0x210 [ 752.432068] ? do_syscall_64+0x21/0x620 [ 752.432072] ? do_syscall_64+0x486/0x620 [ 752.432077] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 752.432450] Kernel panic - not syncing: hung_task: blocked tasks [ 752.664400] CPU: 1 PID: 1569 Comm: khungtaskd Not tainted 4.19.196-syzkaller #0 [ 752.671927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 752.681258] Call Trace: [ 752.683836] dump_stack+0x1fc/0x2ef [ 752.687449] panic+0x26a/0x50e [ 752.690637] ? __warn_printk+0xf3/0xf3 [ 752.694506] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 752.699605] ? cpumask_next+0x3c/0x40 [ 752.703387] ? printk_safe_flush+0xd6/0x120 [ 752.707690] ? watchdog+0x991/0xe60 [ 752.711309] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 752.716770] watchdog+0x9a2/0xe60 [ 752.720229] ? reset_hung_task_detector+0x30/0x30 [ 752.725067] kthread+0x33f/0x460 [ 752.728414] ? kthread_park+0x180/0x180 [ 752.732369] ret_from_fork+0x24/0x30 [ 752.737174] Kernel Offset: disabled [ 752.740795] Rebooting in 86400 seconds..