0300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:28 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 431.086139] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 431.091329] ? oom_killer_disable+0x280/0x280 [ 431.095865] ? find_held_lock+0x35/0x130 [ 431.099961] mem_cgroup_out_of_memory+0x1d2/0x240 [ 431.104906] ? memcg_event_wake+0x230/0x230 [ 431.109243] ? do_raw_spin_unlock+0x178/0x270 [ 431.113767] ? _raw_spin_unlock+0x2d/0x50 [ 431.117940] try_charge+0xec5/0x1490 [ 431.121666] ? lock_downgrade+0x880/0x880 [ 431.125830] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 431.130685] ? rcu_read_unlock+0x33/0x60 [ 431.134753] ? get_mem_cgroup_from_mm+0x185/0x510 [ 431.139886] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 431.146076] ? mark_held_locks+0x100/0x100 [ 431.150674] mem_cgroup_try_charge+0x259/0x6b0 [ 431.155378] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 431.160334] __handle_mm_fault+0x1e50/0x3f80 [ 431.164936] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 431.169807] ? count_memcg_event_mm+0x2b1/0x4d0 [ 431.174487] handle_mm_fault+0x1b5/0x690 [ 431.178564] __get_user_pages+0x609/0x17a0 [ 431.182828] ? follow_page_mask+0x19d0/0x19d0 [ 431.188398] ? memset+0x32/0x40 [ 431.191703] populate_vma_page_range+0x20d/0x2a0 [ 431.196484] __mm_populate+0x204/0x380 [ 431.200392] ? populate_vma_page_range+0x2a0/0x2a0 [ 431.205336] ? call_rwsem_wake+0x1b/0x30 [ 431.209505] __x64_sys_mremap+0x8de/0xaa0 [ 431.213667] ? mremap_to+0x6e0/0x6e0 [ 431.217409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.222962] ? __do_page_fault+0x484/0xe90 [ 431.227354] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 431.232121] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 431.236920] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 431.242309] ? do_syscall_64+0x26/0x620 [ 431.246391] ? lockdep_hardirqs_on+0x415/0x5d0 [ 431.250988] ? trace_hardirqs_on+0x67/0x220 [ 431.255337] do_syscall_64+0xfd/0x620 [ 431.259187] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 431.264569] RIP: 0033:0x45a639 [ 431.267803] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 431.286731] RSP: 002b:00007f7b097aac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 431.294565] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 431.301999] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 431.309388] RBP: 000000000075bfc8 R08: 0000000020130000 R09: 0000000000000000 [ 431.317016] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097ab6d4 [ 431.324317] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff 13:35:28 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 431.334982] Task in /syz2 killed as a result of limit of /syz2 [ 431.342566] memory: usage 307200kB, limit 307200kB, failcnt 1071 [ 431.348897] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 431.356408] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 431.364406] Memory cgroup stats for /syz2: cache:0KB rss:300988KB rss_huge:270336KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:250784KB active_anon:6752KB inactive_file:0KB active_file:0KB unevictable:43548KB [ 431.413412] Memory cgroup out of memory: Kill process 12132 (syz-executor.2) score 1201 or sacrifice child [ 431.503394] Killed process 12146 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB 13:35:29 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:35:29 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xec03, @ipv4={[], [], @local}}, 0x1c) 13:35:29 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000240)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) add_key$keyring(0x0, &(0x7f00000000c0)={'syz'}, 0x0, 0x0, 0x0) keyctl$KEYCTL_PKEY_ENCRYPT(0x19, &(0x7f0000000280)={0x0, 0xf, 0x86}, &(0x7f0000000340)={'enc=', 'pkcs1', ' hash=', {'sha512-avx\x00'}}, &(0x7f00000003c0)="0e9942383f45205747ebd87bdd1098", &(0x7f0000000400)=""/134) getsockopt$inet6_tcp_TCP_ZEROCOPY_RECEIVE(0xffffffffffffffff, 0x6, 0x23, 0x0, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x3, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) r3 = memfd_create(&(0x7f0000000400)='\xe87y\xd8\x0e\xfa\x81\x00\x00\x00\xbe\xbc\x95\x87\v\xd0\xcd9\xbd(0\xeeG\xaf\xe7.\x00\x00\x00\x00\x00\x00\x00\x00\x00', 0x0) syz_open_dev$sndseq(&(0x7f0000000700)='/dev/snd/seq\x00', 0x0, 0x1) dup2(0xffffffffffffffff, r3) r4 = getpid() ptrace(0xffffffffffffffff, r4) lstat(&(0x7f0000000300)='./file0\x00', &(0x7f00000004c0)) r5 = creat(0x0, 0x0) lseek(r5, 0x0, 0x0) write$FUSE_WRITE(r5, &(0x7f0000000240)={0x18, 0x0, 0x0, {0x9}}, 0x18) fsetxattr$trusted_overlay_nlink(0xffffffffffffffff, &(0x7f0000000100)='trusted.overlay.nlink\x00', &(0x7f0000000140)={'U+', 0xffffffffffffffff}, 0x28, 0x1) r6 = open(0x0, 0x141046, 0x0) ftruncate(r6, 0x2007fff) ioctl$sock_inet6_SIOCSIFADDR(0xffffffffffffffff, 0x89a1, 0x0) lstat(&(0x7f0000000500)='./bus\x00', &(0x7f0000000740)) sendmsg$unix(r5, &(0x7f0000000640)={&(0x7f0000000340)=@file={0x0, './bus\x00'}, 0x6e, &(0x7f0000000400)=[{&(0x7f00000003c0)="36d3eb268643bcc8", 0x8}], 0x1, &(0x7f00000005c0)=[@rights={{0x1c, 0x1, 0x1, [0xffffffffffffffff, r6, 0xffffffffffffffff]}}, @cred={{0x1c}}], 0x40, 0x2000c081}, 0x20000044) ioctl$KVM_IRQ_LINE(0xffffffffffffffff, 0x4008ae61, &(0x7f00000002c0)={0x0, 0x9}) ioctl$TIOCOUTQ(0xffffffffffffffff, 0x5411, 0x0) openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x800, 0x0) accept$packet(0xffffffffffffffff, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @link_local}, &(0x7f0000000080)=0x14) accept4$bt_l2cap(0xffffffffffffffff, &(0x7f0000000600), &(0x7f0000000680)=0xe, 0x40800) ioctl$FS_IOC_FIEMAP(0xffffffffffffffff, 0xc020660b, 0x0) ioctl$KVM_REGISTER_COALESCED_MMIO(r1, 0x4010ae67, &(0x7f00000001c0)={0x0, 0x119000}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, 0x0, 0xfefd, 0x0, 0x0, 0x663abba741622feb) ioctl$KVM_NMI(r2, 0xae9a) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) 13:35:29 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:29 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:29 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) 13:35:30 executing program 0: r0 = open(&(0x7f0000000000)='./file0\x00', 0x82040, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x10000000005, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX(r1, 0x84, 0x6e, &(0x7f0000961fe4)=[@in={0x2, 0x0, @dev}], 0x10) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x1d, &(0x7f0000000040)=ANY=[@ANYBLOB='\x00\x00\x00\x00', @ANYRES32=0x0], &(0x7f000095dffc)=0x8) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r0, 0x84, 0x72, &(0x7f0000000040)={r2}, 0xc) 13:35:30 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xf401, @ipv4={[], [], @local}}, 0x1c) 13:35:30 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:30 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:30 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) 13:35:31 executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000000)='./bus\x00', 0x1a143, 0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = syz_open_procfs(0x0, &(0x7f0000000100)='status\x00') r1 = getpid() recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{&(0x7f0000000080)=@ipx, 0x80, 0x0}}], 0x1, 0x0, 0x0) r2 = syz_open_procfs(0x0, &(0x7f00000002c0)='net/dev_mcast\x00') perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) preadv(r2, &(0x7f00000017c0), 0x351, 0x0) ptrace(0x10, r1) r3 = syz_open_procfs(0x0, &(0x7f0000000340)='fd/3\x00W\xf6Je|H\x10\x05\xf1\xab\xc4MJ\xcbP\xed@\xe8\xe39\xd2\xea\xaap\xf9\x1aTM\x1f\x8e\x86c\xb4T\xde\x10\xf6\xa1\x89\xea)6\xca\x00\xa2\x04\xe6}\xaa\xd4\xf6~\xd0\x04bq\xe5\xa2\x99t;zzV\x15\x9a\x1b\xb9\x87@\xe9#\x99\xd6\xb8\xa4\xb1T\xdd\xe0\x93\xd0\xd5\xd8\x0f\x11y\xef\xf1R\v\xd6\x81\x97\xa96,q\xd0\xb8\xde\xf6\x8153\x1a\x11VEG(\x93\x18\xf2\xbc\x17\x1f\xd7\x89F(G\x18S\xfb\x92\xd9\x0f\x8b\xc8A\xc8\xb4=Y;\xa8\xed\xd2\xa9\xa2\x87\xa0\xfb\r\xf7I1]:\xd1;h\xc6\xe2M\xf2\x005\x96\x9b\xd1\x92v\xf9\xba\xf4\x12\r\"^\xc2\xb2\x1d\n:mq\xc7\x00\x00\xa1\x7f\x92r\x95\x96\xda7\xea\x85\xc8\x8c\xa8^\xb7\x1f\x80\x05\x03\xbb\xef9C\xcb(\x9bF\vHFW\x04\x1d\xc7LkW\xb2\xe9\xdd\x17\xe8%\x86\xd1H\rR\xafX\x1f\xea\x00'/251) sendfile(r3, r0, 0x0, 0x1ff) 13:35:33 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:33 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:33 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xf903, @ipv4={[], [], @local}}, 0x1c) 13:35:33 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) 13:35:33 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:35:33 executing program 0: mknod(&(0x7f0000000080)='./bus\x00', 0x8, 0x0) r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") setxattr$security_capability(&(0x7f0000000400)='./bus\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000200)=@v2, 0x14, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f00000000c0)='./bus\x00', 0x0, 0x0) 13:35:34 executing program 0: mknod(&(0x7f0000000080)='./bus\x00', 0x8, 0x0) r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") setxattr$security_capability(&(0x7f0000000400)='./bus\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000200)=@v2, 0x14, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f00000000c0)='./bus\x00', 0x0, 0x0) 13:35:34 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:34 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 436.586776] syz-executor.2 invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=0, oom_score_adj=1000 [ 436.641709] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 436.647656] CPU: 0 PID: 12338 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 436.655576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 436.664978] Call Trace: [ 436.667592] dump_stack+0x197/0x210 [ 436.671244] dump_header+0x15e/0xa55 [ 436.675165] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 436.680385] ? ___ratelimit+0x60/0x595 [ 436.684300] ? do_raw_spin_unlock+0x178/0x270 [ 436.688959] oom_kill_process.cold+0x10/0x6ef [ 436.693487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.699053] ? task_will_free_mem+0x139/0x6e0 [ 436.703742] ? find_held_lock+0x35/0x130 [ 436.707839] out_of_memory+0x362/0x1330 [ 436.712018] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 436.716900] ? oom_killer_disable+0x280/0x280 [ 436.721424] ? find_held_lock+0x35/0x130 [ 436.725548] mem_cgroup_out_of_memory+0x1d2/0x240 [ 436.730516] ? memcg_event_wake+0x230/0x230 [ 436.734889] try_charge+0xec5/0x1490 [ 436.738656] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 436.743530] ? lock_downgrade+0x880/0x880 [ 436.747701] ? kasan_check_read+0x11/0x20 [ 436.751960] memcg_kmem_charge_memcg+0x83/0x170 [ 436.756769] ? memcg_kmem_put_cache+0xb0/0xb0 [ 436.761292] ? __isolate_free_page+0x4c0/0x4c0 [ 436.766075] memcg_kmem_charge+0x136/0x370 [ 436.770416] __alloc_pages_nodemask+0x3c3/0x750 [ 436.775110] ? __alloc_pages_slowpath+0x2870/0x2870 [ 436.780156] ? retint_kernel+0x2d/0x2d [ 436.784161] alloc_pages_current+0x107/0x210 [ 436.788687] pte_alloc_one+0x1b/0x1a0 [ 436.792502] __pte_alloc+0x2a/0x360 [ 436.796143] __handle_mm_fault+0x340b/0x3f80 [ 436.801345] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 436.806262] ? count_memcg_event_mm+0x2b1/0x4d0 [ 436.811070] handle_mm_fault+0x1b5/0x690 [ 436.815325] __get_user_pages+0x609/0x17a0 [ 436.819593] ? follow_page_mask+0x19d0/0x19d0 [ 436.824107] ? memset+0x32/0x40 [ 436.824125] populate_vma_page_range+0x20d/0x2a0 [ 436.824144] __mm_populate+0x204/0x380 [ 436.824164] ? populate_vma_page_range+0x2a0/0x2a0 [ 436.824189] __x64_sys_mremap+0x8de/0xaa0 [ 436.824212] ? mremap_to+0x6e0/0x6e0 [ 436.824236] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 436.824249] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 436.824268] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 436.824280] ? do_syscall_64+0x26/0x620 [ 436.824299] ? lockdep_hardirqs_on+0x415/0x5d0 [ 436.824315] ? trace_hardirqs_on+0x67/0x220 [ 436.824333] do_syscall_64+0xfd/0x620 [ 436.824352] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 436.824365] RIP: 0033:0x45a639 [ 436.824381] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 436.824390] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 436.824406] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 436.824414] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 436.824423] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 436.824431] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 436.824439] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 437.002348] Task in /syz2 killed as a result of limit of /syz2 [ 437.008605] memory: usage 307200kB, limit 307200kB, failcnt 1102 [ 437.015185] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 437.023310] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 437.029584] Memory cgroup stats for /syz2: cache:0KB rss:301104KB rss_huge:270336KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:250780KB active_anon:6756KB inactive_file:0KB active_file:0KB unevictable:43624KB 13:35:34 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xfa03, @ipv4={[], [], @local}}, 0x1c) 13:35:34 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 437.052137] Memory cgroup out of memory: Kill process 12335 (syz-executor.2) score 1202 or sacrifice child [ 437.052503] Killed process 12348 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB [ 437.078199] oom_reaper: reaped process 12348 (syz-executor.2), now anon-rss:0kB, file-rss:34688kB, shmem-rss:0kB 13:35:35 executing program 0: mknod(&(0x7f0000000080)='./bus\x00', 0x8, 0x0) r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") setxattr$security_capability(&(0x7f0000000400)='./bus\x00', &(0x7f0000000040)='security.capability\x00', &(0x7f0000000200)=@v2, 0x14, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) getsockopt$sock_cred(r1, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0x5) setuid(r2) clone(0x100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) execve(&(0x7f00000000c0)='./bus\x00', 0x0, 0x0) 13:35:35 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:35 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:35 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:35 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:37 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:35:37 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xfc00, @ipv4={[], [], @local}}, 0x1c) 13:35:37 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:37 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:37 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:37 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:38 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:38 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:38 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xfcff, @ipv4={[], [], @local}}, 0x1c) 13:35:38 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:38 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:39 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:41 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:35:41 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xfe80, @ipv4={[], [], @local}}, 0x1c) 13:35:41 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:41 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) userfaultfd(0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:41 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:41 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:42 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) userfaultfd(0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:42 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xfec0, @ipv4={[], [], @local}}, 0x1c) 13:35:42 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:42 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:42 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:43 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xff00, @ipv4={[], [], @local}}, 0x1c) [ 446.192555] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 446.388314] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 446.444339] CPU: 1 PID: 12714 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 446.452299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 446.461757] Call Trace: [ 446.464372] dump_stack+0x197/0x210 [ 446.468376] dump_header+0x15e/0xa55 [ 446.472154] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 446.477444] ? ___ratelimit+0x60/0x595 [ 446.481344] ? do_raw_spin_unlock+0x178/0x270 [ 446.481366] oom_kill_process.cold+0x10/0x6ef [ 446.481383] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.481395] ? task_will_free_mem+0x139/0x6e0 [ 446.481410] ? find_held_lock+0x35/0x130 [ 446.481426] out_of_memory+0x362/0x1330 [ 446.481442] ? lock_downgrade+0x880/0x880 [ 446.481465] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 446.518164] ? oom_killer_disable+0x280/0x280 [ 446.522687] ? find_held_lock+0x35/0x130 [ 446.526784] mem_cgroup_out_of_memory+0x1d2/0x240 [ 446.531650] ? memcg_event_wake+0x230/0x230 [ 446.536038] ? do_raw_spin_unlock+0x178/0x270 [ 446.540711] ? _raw_spin_unlock+0x2d/0x50 [ 446.544887] try_charge+0xec5/0x1490 [ 446.548628] ? lock_downgrade+0x880/0x880 [ 446.552832] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 446.557871] ? rcu_read_unlock+0x33/0x60 [ 446.561958] ? get_mem_cgroup_from_mm+0x185/0x510 [ 446.566831] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 446.573004] ? mark_held_locks+0x100/0x100 [ 446.577274] mem_cgroup_try_charge+0x259/0x6b0 [ 446.581898] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 446.587048] __handle_mm_fault+0x1e50/0x3f80 [ 446.591527] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 446.596547] ? count_memcg_event_mm+0x2b1/0x4d0 [ 446.601253] handle_mm_fault+0x1b5/0x690 [ 446.605350] __get_user_pages+0x609/0x17a0 [ 446.609622] ? follow_page_mask+0x19d0/0x19d0 [ 446.614588] ? memset+0x32/0x40 [ 446.617907] populate_vma_page_range+0x20d/0x2a0 [ 446.622694] __mm_populate+0x204/0x380 [ 446.626615] ? populate_vma_page_range+0x2a0/0x2a0 [ 446.631583] __x64_sys_mremap+0x8de/0xaa0 [ 446.635767] ? mremap_to+0x6e0/0x6e0 [ 446.639522] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 446.644299] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 446.649173] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 446.655084] ? do_syscall_64+0x26/0x620 [ 446.659327] ? lockdep_hardirqs_on+0x415/0x5d0 [ 446.664125] ? trace_hardirqs_on+0x67/0x220 [ 446.668481] do_syscall_64+0xfd/0x620 [ 446.672318] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 446.677532] RIP: 0033:0x45a639 [ 446.680755] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 446.699779] RSP: 002b:00007f7b09789c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 446.707639] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 446.715381] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 446.722677] RBP: 000000000075c070 R08: 0000000020130000 R09: 0000000000000000 [ 446.730129] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b0978a6d4 [ 446.737688] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 447.150544] Task in /syz2 killed as a result of limit of /syz2 [ 447.156871] memory: usage 307104kB, limit 307200kB, failcnt 1174 [ 447.225994] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 447.277449] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 447.296202] Memory cgroup stats for /syz2: cache:0KB rss:301156KB rss_huge:268288KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:250780KB active_anon:6772KB inactive_file:0KB active_file:0KB unevictable:43716KB [ 447.480556] Memory cgroup out of memory: Kill process 12640 (syz-executor.2) score 1209 or sacrifice child [ 447.638982] Killed process 12714 (syz-executor.2) total-vm:72848kB, anon-rss:12944kB, file-rss:54352kB, shmem-rss:0kB 13:35:45 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:35:45 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:45 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) userfaultfd(0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:45 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xffe0, @ipv4={[], [], @local}}, 0x1c) 13:35:45 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:45 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:45 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xfffc, @ipv4={[], [], @local}}, 0x1c) 13:35:45 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) 13:35:46 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:46 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:46 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) userfaultfd(0x0) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:47 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) [ 450.248630] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 450.350667] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 450.356755] CPU: 1 PID: 12781 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 450.364577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 450.374302] Call Trace: [ 450.376922] dump_stack+0x197/0x210 [ 450.380575] dump_header+0x15e/0xa55 [ 450.384398] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 450.389565] ? ___ratelimit+0x60/0x595 [ 450.393477] ? do_raw_spin_unlock+0x178/0x270 [ 450.399309] oom_kill_process.cold+0x10/0x6ef [ 450.403837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.409409] ? task_will_free_mem+0x139/0x6e0 [ 450.413934] ? find_held_lock+0x35/0x130 [ 450.418121] out_of_memory+0x362/0x1330 [ 450.422127] ? lock_downgrade+0x880/0x880 [ 450.426332] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 450.431549] ? oom_killer_disable+0x280/0x280 [ 450.436152] ? find_held_lock+0x35/0x130 [ 450.440248] mem_cgroup_out_of_memory+0x1d2/0x240 [ 450.445206] ? memcg_event_wake+0x230/0x230 [ 450.449560] ? do_raw_spin_unlock+0x178/0x270 [ 450.454227] ? _raw_spin_unlock+0x2d/0x50 [ 450.458403] try_charge+0xec5/0x1490 [ 450.462490] ? lock_downgrade+0x880/0x880 [ 450.466687] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 450.471553] ? rcu_read_unlock+0x33/0x60 [ 450.475682] ? get_mem_cgroup_from_mm+0x185/0x510 [ 450.480674] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 450.486759] ? mark_held_locks+0x100/0x100 [ 450.491036] mem_cgroup_try_charge+0x259/0x6b0 [ 450.495653] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 450.500652] __handle_mm_fault+0x1e50/0x3f80 [ 450.505096] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 450.509984] ? count_memcg_event_mm+0x2b1/0x4d0 [ 450.514777] handle_mm_fault+0x1b5/0x690 [ 450.518978] __get_user_pages+0x609/0x17a0 [ 450.523343] ? follow_page_mask+0x19d0/0x19d0 [ 450.527986] ? retint_kernel+0x2d/0x2d [ 450.531918] populate_vma_page_range+0x20d/0x2a0 [ 450.537074] __mm_populate+0x204/0x380 [ 450.541105] ? populate_vma_page_range+0x2a0/0x2a0 [ 450.546073] ? call_rwsem_wake+0x1b/0x30 [ 450.550170] __x64_sys_mremap+0x8de/0xaa0 [ 450.554349] ? lockdep_hardirqs_on+0x415/0x5d0 [ 450.559138] ? retint_kernel+0x2d/0x2d [ 450.563058] ? mremap_to+0x6e0/0x6e0 [ 450.566852] ? retint_kernel+0x2d/0x2d [ 450.570867] do_syscall_64+0xfd/0x620 [ 450.574697] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 450.579907] RIP: 0033:0x45a639 [ 450.583118] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 450.602155] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 450.609959] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 450.617563] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 450.624984] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 450.632341] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 450.639716] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 450.980707] Task in /syz2 killed as a result of limit of /syz2 [ 450.990590] memory: usage 307200kB, limit 307200kB, failcnt 1241 [ 451.030625] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 451.153835] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 451.300597] Memory cgroup stats for /syz2: cache:0KB rss:293068KB rss_huge:262144KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:244580KB active_anon:6756KB inactive_file:0KB active_file:0KB unevictable:41792KB [ 451.551878] Memory cgroup out of memory: Kill process 12779 (syz-executor.2) score 1202 or sacrifice child [ 451.564137] Killed process 12781 (syz-executor.2) total-vm:72716kB, anon-rss:10824kB, file-rss:54352kB, shmem-rss:0kB [ 451.580328] oom_reaper: reaped process 12781 (syz-executor.2), now anon-rss:10816kB, file-rss:54344kB, shmem-rss:0kB 13:35:49 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:35:49 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x100000, @ipv4={[], [], @local}}, 0x1c) 13:35:49 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:49 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) userfaultfd(0x0) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:49 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:49 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) 13:35:50 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) userfaultfd(0x0) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:50 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:50 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:35:50 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:50 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) 13:35:50 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x1000000, @ipv4={[], [], @local}}, 0x1c) 13:35:51 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:35:51 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:51 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x2000000, @ipv4={[], [], @local}}, 0x1c) 13:35:51 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) 13:35:51 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:51 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:51 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:52 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:35:52 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x3000000, @ipv4={[], [], @local}}, 0x1c) 13:35:52 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:52 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) userfaultfd(0x0) 13:35:52 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:52 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:53 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x4000000, @ipv4={[], [], @local}}, 0x1c) 13:35:53 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:53 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 456.122933] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 13:35:53 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:53 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) userfaultfd(0x0) [ 456.369185] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 456.380548] CPU: 1 PID: 13029 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 456.388517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 456.397986] Call Trace: [ 456.400601] dump_stack+0x197/0x210 [ 456.405825] dump_header+0x15e/0xa55 [ 456.409663] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 456.414881] ? ___ratelimit+0x60/0x595 [ 456.418791] ? do_raw_spin_unlock+0x178/0x270 [ 456.423523] oom_kill_process.cold+0x10/0x6ef [ 456.428177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.433739] ? task_will_free_mem+0x139/0x6e0 [ 456.438346] ? find_held_lock+0x35/0x130 [ 456.442438] out_of_memory+0x362/0x1330 [ 456.446555] ? lock_downgrade+0x880/0x880 [ 456.451423] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 456.456555] ? oom_killer_disable+0x280/0x280 [ 456.461069] ? find_held_lock+0x35/0x130 [ 456.465290] mem_cgroup_out_of_memory+0x1d2/0x240 [ 456.470297] ? memcg_event_wake+0x230/0x230 [ 456.474637] ? do_raw_spin_unlock+0x178/0x270 [ 456.479147] ? _raw_spin_unlock+0x2d/0x50 [ 456.483329] try_charge+0xec5/0x1490 [ 456.487243] ? lock_downgrade+0x880/0x880 [ 456.491514] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 456.496375] ? rcu_read_unlock+0x33/0x60 [ 456.500450] ? get_mem_cgroup_from_mm+0x185/0x510 [ 456.505325] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 456.511413] ? mark_held_locks+0x100/0x100 [ 456.511441] mem_cgroup_try_charge+0x259/0x6b0 [ 456.511461] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 456.525490] __handle_mm_fault+0x1e50/0x3f80 [ 456.529920] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 456.534785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.534802] ? sync_mm_rss+0xa4/0x1c0 [ 456.534822] handle_mm_fault+0x1b5/0x690 [ 456.534840] __get_user_pages+0x609/0x17a0 [ 456.534861] ? follow_page_mask+0x19d0/0x19d0 [ 456.544289] ? memset+0x32/0x40 [ 456.544316] populate_vma_page_range+0x20d/0x2a0 [ 456.552990] __mm_populate+0x204/0x380 [ 456.553006] ? populate_vma_page_range+0x2a0/0x2a0 [ 456.553032] __x64_sys_mremap+0x8de/0xaa0 [ 456.553053] ? mremap_to+0x6e0/0x6e0 [ 456.560903] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 456.560919] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 456.560949] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 456.569844] ? do_syscall_64+0x26/0x620 [ 456.569870] ? lockdep_hardirqs_on+0x415/0x5d0 [ 456.578977] ? trace_hardirqs_on+0x67/0x220 [ 456.579006] do_syscall_64+0xfd/0x620 [ 456.587555] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 456.587573] RIP: 0033:0x45a639 [ 456.597766] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 456.597782] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 [ 456.606301] ORIG_RAX: 0000000000000019 [ 456.606311] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 456.606320] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 456.606335] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 456.614610] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 456.614619] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff 13:35:54 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 456.774630] Task in /syz2 killed as a result of limit of /syz2 [ 456.786499] memory: usage 307072kB, limit 307200kB, failcnt 1261 [ 456.820681] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 457.040657] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 457.047396] Memory cgroup stats for /syz2: cache:0KB rss:300688KB rss_huge:268288KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:250780KB active_anon:7076KB inactive_file:16KB active_file:0KB unevictable:42860KB [ 457.252031] Memory cgroup out of memory: Kill process 13028 (syz-executor.2) score 1203 or sacrifice child [ 457.460753] Killed process 13090 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB 13:35:55 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:35:55 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:55 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:55 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x5000000, @ipv4={[], [], @local}}, 0x1c) 13:35:55 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) userfaultfd(0x0) 13:35:55 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:56 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 458.633906] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 458.700538] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 458.706334] CPU: 1 PID: 13166 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 458.714421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 458.724228] Call Trace: [ 458.727171] dump_stack+0x197/0x210 [ 458.731010] dump_header+0x15e/0xa55 [ 458.734861] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 458.740186] ? ___ratelimit+0x60/0x595 [ 458.744104] ? do_raw_spin_unlock+0x178/0x270 [ 458.748638] oom_kill_process.cold+0x10/0x6ef [ 458.753280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.759033] ? task_will_free_mem+0x139/0x6e0 [ 458.763575] ? find_held_lock+0x35/0x130 [ 458.767685] out_of_memory+0x362/0x1330 [ 458.771699] ? lock_downgrade+0x880/0x880 [ 458.775885] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 458.781053] ? oom_killer_disable+0x280/0x280 [ 458.785578] ? find_held_lock+0x35/0x130 [ 458.789685] mem_cgroup_out_of_memory+0x1d2/0x240 [ 458.794953] ? memcg_event_wake+0x230/0x230 [ 458.794978] ? do_raw_spin_unlock+0x178/0x270 [ 458.794997] ? _raw_spin_unlock+0x2d/0x50 [ 458.795017] try_charge+0xec5/0x1490 [ 458.803826] ? lock_downgrade+0x880/0x880 [ 458.803845] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 458.803857] ? rcu_read_unlock+0x33/0x60 [ 458.803870] ? get_mem_cgroup_from_mm+0x185/0x510 [ 458.803887] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 458.803905] ? mark_held_locks+0x100/0x100 [ 458.840535] mem_cgroup_try_charge+0x259/0x6b0 [ 458.845157] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 458.850218] __handle_mm_fault+0x1e50/0x3f80 [ 458.854660] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 458.859546] ? count_memcg_event_mm+0x2b1/0x4d0 [ 458.864767] handle_mm_fault+0x1b5/0x690 [ 458.868858] __get_user_pages+0x609/0x17a0 [ 458.873215] ? follow_page_mask+0x19d0/0x19d0 [ 458.877746] ? lock_acquire+0x16f/0x3f0 [ 458.881734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.887303] populate_vma_page_range+0x20d/0x2a0 [ 458.892105] __mm_populate+0x204/0x380 [ 458.896034] ? populate_vma_page_range+0x2a0/0x2a0 [ 458.901003] __x64_sys_mlockall+0x35c/0x520 [ 458.905842] do_syscall_64+0xfd/0x620 [ 458.909687] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 458.914990] RIP: 0033:0x45a639 [ 458.918723] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 458.937738] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 13:35:56 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x6000000, @ipv4={[], [], @local}}, 0x1c) 13:35:56 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 458.945640] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000045a639 [ 458.952938] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 458.960327] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 458.968561] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 458.968570] R13: 00000000004c708b R14: 00000000004dca60 R15: 00000000ffffffff 13:35:56 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) [ 459.146956] Task in /syz2 killed as a result of limit of /syz2 [ 459.153884] memory: usage 297208kB, limit 307200kB, failcnt 1298 [ 459.390637] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 13:35:57 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:57 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x7000000, @ipv4={[], [], @local}}, 0x1c) [ 459.663357] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 459.682154] Memory cgroup stats for /syz2: cache:0KB rss:280648KB rss_huge:251904KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:238420KB active_anon:7124KB inactive_file:4KB active_file:4KB unevictable:35104KB [ 460.000474] Memory cgroup out of memory: Kill process 9366 (syz-executor.2) score 1162 or sacrifice child [ 460.122805] Killed process 9366 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB 13:35:58 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:35:58 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:35:58 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:58 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:58 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x8000000, @ipv4={[], [], @local}}, 0x1c) 13:35:58 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:59 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:35:59 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:00 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:00 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x9000000, @ipv4={[], [], @local}}, 0x1c) 13:36:00 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:00 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:00 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:01 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:36:01 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xa000000, @ipv4={[], [], @local}}, 0x1c) 13:36:01 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:01 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:01 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:01 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:02 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:02 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:02 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xa1414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:02 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:03 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:03 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:04 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:36:04 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:04 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:04 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xb1414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:04 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 468.011419] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 13:36:05 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 468.177309] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 468.265294] CPU: 0 PID: 13531 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 468.273162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 468.283083] Call Trace: [ 468.285699] dump_stack+0x197/0x210 [ 468.289377] dump_header+0x15e/0xa55 [ 468.293485] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 468.298722] ? ___ratelimit+0x60/0x595 [ 468.302638] ? do_raw_spin_unlock+0x178/0x270 [ 468.307168] oom_kill_process.cold+0x10/0x6ef [ 468.311698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.317267] ? task_will_free_mem+0x139/0x6e0 [ 468.321969] ? find_held_lock+0x35/0x130 [ 468.326289] out_of_memory+0x362/0x1330 [ 468.330298] ? lock_downgrade+0x880/0x880 [ 468.334489] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 468.339625] ? oom_killer_disable+0x280/0x280 [ 468.344184] ? find_held_lock+0x35/0x130 [ 468.348291] mem_cgroup_out_of_memory+0x1d2/0x240 [ 468.353459] ? memcg_event_wake+0x230/0x230 [ 468.357906] ? do_raw_spin_unlock+0x178/0x270 [ 468.362435] ? _raw_spin_unlock+0x2d/0x50 [ 468.366713] try_charge+0xec5/0x1490 [ 468.370754] ? lock_downgrade+0x880/0x880 [ 468.375144] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 468.380103] ? rcu_read_unlock+0x33/0x60 [ 468.384631] ? get_mem_cgroup_from_mm+0x185/0x510 [ 468.389528] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 468.395809] ? mark_held_locks+0x100/0x100 [ 468.400092] mem_cgroup_try_charge+0x259/0x6b0 [ 468.404712] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 468.409659] __handle_mm_fault+0x1e50/0x3f80 [ 468.414120] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 468.419000] ? count_memcg_event_mm+0x2b1/0x4d0 [ 468.423702] handle_mm_fault+0x1b5/0x690 [ 468.427786] __get_user_pages+0x609/0x17a0 [ 468.432545] ? follow_page_mask+0x19d0/0x19d0 [ 468.437298] ? lock_acquire+0x16f/0x3f0 [ 468.441512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.447089] populate_vma_page_range+0x20d/0x2a0 [ 468.451885] __mm_populate+0x204/0x380 [ 468.456033] ? populate_vma_page_range+0x2a0/0x2a0 [ 468.461011] __x64_sys_mlockall+0x35c/0x520 [ 468.466846] do_syscall_64+0xfd/0x620 [ 468.470679] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 468.475886] RIP: 0033:0x45a639 [ 468.479101] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 468.498118] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 468.505857] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000045a639 [ 468.513159] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 468.520456] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 468.527843] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 468.535243] R13: 00000000004c708b R14: 00000000004dca60 R15: 00000000ffffffff 13:36:06 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:06 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xc1414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:06 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 468.930996] Task in /syz2 killed as a result of limit of /syz2 [ 468.939663] memory: usage 307200kB, limit 307200kB, failcnt 1342 [ 469.048808] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 469.059458] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 13:36:06 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 469.139056] Memory cgroup stats for /syz2: cache:0KB rss:300840KB rss_huge:268288KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:262776KB active_anon:7108KB inactive_file:0KB active_file:4KB unevictable:31112KB [ 469.549755] Memory cgroup out of memory: Kill process 9457 (syz-executor.2) score 1162 or sacrifice child [ 469.615643] Killed process 9457 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB 13:36:07 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) [ 469.867760] oom_reaper: reaped process 9457 (syz-executor.2), now anon-rss:0kB, file-rss:34688kB, shmem-rss:0kB 13:36:07 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:08 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:36:08 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:08 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xd1414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:08 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:08 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:08 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:09 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xe000000, @ipv4={[], [], @local}}, 0x1c) 13:36:09 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:09 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:09 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:10 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:10 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xe1414ac, @ipv4={[], [], @local}}, 0x1c) [ 473.510196] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 473.719842] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 473.792443] CPU: 1 PID: 13689 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 473.800320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 473.809696] Call Trace: [ 473.812574] dump_stack+0x197/0x210 [ 473.816241] dump_header+0x15e/0xa55 [ 473.820074] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 473.825210] ? ___ratelimit+0x60/0x595 [ 473.829134] ? do_raw_spin_unlock+0x178/0x270 [ 473.833685] oom_kill_process.cold+0x10/0x6ef [ 473.838262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.843918] ? task_will_free_mem+0x139/0x6e0 [ 473.848442] ? find_held_lock+0x35/0x130 [ 473.852541] out_of_memory+0x362/0x1330 [ 473.856537] ? lock_downgrade+0x880/0x880 [ 473.860792] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 473.866248] ? oom_killer_disable+0x280/0x280 [ 473.873909] ? find_held_lock+0x35/0x130 [ 473.878015] mem_cgroup_out_of_memory+0x1d2/0x240 [ 473.882921] ? memcg_event_wake+0x230/0x230 [ 473.887361] ? do_raw_spin_unlock+0x178/0x270 [ 473.891977] ? _raw_spin_unlock+0x2d/0x50 [ 473.896150] try_charge+0xec5/0x1490 [ 473.900173] ? lock_downgrade+0x880/0x880 [ 473.904357] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 473.909310] ? rcu_read_unlock+0x33/0x60 [ 473.913399] ? get_mem_cgroup_from_mm+0x185/0x510 [ 473.918359] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 473.924440] ? mark_held_locks+0x100/0x100 [ 473.928713] mem_cgroup_try_charge+0x259/0x6b0 [ 473.933417] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 473.938569] __handle_mm_fault+0x1e50/0x3f80 [ 473.943351] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 473.948243] ? count_memcg_event_mm+0x2b1/0x4d0 [ 473.952957] handle_mm_fault+0x1b5/0x690 [ 473.957046] __get_user_pages+0x609/0x17a0 [ 473.961540] ? follow_page_mask+0x19d0/0x19d0 [ 473.966361] ? memset+0x32/0x40 [ 473.969672] populate_vma_page_range+0x20d/0x2a0 [ 473.974456] __mm_populate+0x204/0x380 [ 473.978543] ? populate_vma_page_range+0x2a0/0x2a0 [ 473.983502] ? call_rwsem_wake+0x1b/0x30 [ 473.987592] __x64_sys_mremap+0x8de/0xaa0 [ 473.991893] ? mremap_to+0x6e0/0x6e0 [ 473.995637] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 474.000495] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 474.005272] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 474.010741] ? do_syscall_64+0x26/0x620 [ 474.014881] ? lockdep_hardirqs_on+0x415/0x5d0 [ 474.019493] ? trace_hardirqs_on+0x67/0x220 [ 474.024019] do_syscall_64+0xfd/0x620 [ 474.027935] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 474.033139] RIP: 0033:0x45a639 [ 474.036346] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 474.055353] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 474.063175] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 474.070550] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 474.077945] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 474.085409] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 474.093041] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 474.240556] Task in /syz2 killed as a result of limit of /syz2 [ 474.246848] memory: usage 307200kB, limit 307200kB, failcnt 1449 [ 474.265765] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 474.285851] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 474.310545] Memory cgroup stats for /syz2: cache:0KB rss:300904KB rss_huge:270336KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:258964KB active_anon:7096KB inactive_file:0KB active_file:0KB unevictable:34884KB [ 474.334288] Memory cgroup out of memory: Kill process 13688 (syz-executor.2) score 1200 or sacrifice child [ 474.345092] Killed process 13739 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB [ 474.356488] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 474.359755] oom_reaper: reaped process 13739 (syz-executor.2), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 474.380418] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 474.385940] CPU: 1 PID: 13724 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 474.393944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 474.403317] Call Trace: [ 474.405933] dump_stack+0x197/0x210 [ 474.409675] dump_header+0x15e/0xa55 [ 474.413404] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 474.418515] ? ___ratelimit+0x60/0x595 [ 474.422710] ? do_raw_spin_unlock+0x178/0x270 [ 474.427404] oom_kill_process.cold+0x10/0x6ef [ 474.431929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.437462] ? task_will_free_mem+0x139/0x6e0 [ 474.441981] out_of_memory+0x362/0x1330 [ 474.446120] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 474.451373] ? oom_killer_disable+0x280/0x280 [ 474.455877] ? find_held_lock+0x35/0x130 [ 474.459964] mem_cgroup_out_of_memory+0x1d2/0x240 [ 474.464912] ? memcg_event_wake+0x230/0x230 [ 474.469425] ? do_raw_spin_unlock+0x178/0x270 [ 474.475097] ? _raw_spin_unlock+0x2d/0x50 [ 474.479252] try_charge+0xc6e/0x1490 [ 474.483523] ? lock_downgrade+0x880/0x880 [ 474.487931] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 474.492795] ? rcu_read_unlock+0x33/0x60 [ 474.496868] ? get_mem_cgroup_from_mm+0x185/0x510 [ 474.501804] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 474.508134] ? futex_wait_queue_me+0x414/0x600 [ 474.512817] ? handle_futex_death.part.0+0x250/0x250 [ 474.517945] mem_cgroup_try_charge+0x259/0x6b0 [ 474.522532] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 474.527740] wp_page_copy+0x430/0x16a0 [ 474.531636] ? pmd_pfn+0x1d0/0x1d0 [ 474.535179] ? do_raw_spin_unlock+0x178/0x270 [ 474.539763] do_wp_page+0x57d/0x10b0 [ 474.543752] ? finish_mkwrite_fault+0x4f0/0x4f0 [ 474.548442] ? kasan_check_write+0x14/0x20 [ 474.552837] ? do_raw_spin_lock+0xc8/0x240 [ 474.557216] __handle_mm_fault+0x2305/0x3f80 [ 474.562168] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 474.567028] ? count_memcg_event_mm+0x2b1/0x4d0 [ 474.572057] handle_mm_fault+0x1b5/0x690 [ 474.576153] __do_page_fault+0x62a/0xe90 [ 474.580223] ? vmalloc_fault+0x740/0x740 [ 474.584291] ? trace_hardirqs_off_caller+0x65/0x220 [ 474.589304] ? trace_hardirqs_on_caller+0x6a/0x220 [ 474.594321] ? page_fault+0x8/0x30 [ 474.597947] do_page_fault+0x71/0x57d [ 474.601855] ? page_fault+0x8/0x30 [ 474.606352] page_fault+0x1e/0x30 [ 474.609804] RIP: 0033:0x4041d9 [ 474.613082] Code: 66 00 39 45 24 0f 84 a6 01 00 00 80 3d a8 e4 66 00 00 74 0e 48 8b 85 90 00 00 00 48 c7 00 00 00 00 00 e8 0a 0c 01 00 49 89 c4 00 00 00 00 00 49 8b 46 10 48 85 c0 0f 84 3c 01 00 00 48 83 ec [ 474.633038] RSP: 002b:00007f7b097aac90 EFLAGS: 00010207 [ 474.638545] RAX: 00007f7b097ab6d4 RBX: 0000000000000003 RCX: 0000000000000003 [ 474.645815] RDX: 0000000000024ed4 RSI: 00000000200000c0 RDI: 00000000004bf0ce [ 474.653080] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 474.660493] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b097ab6d4 [ 474.667765] R13: 00000000004c368b R14: 00000000004d7ac8 R15: 00000000ffffffff [ 474.676826] Task in /syz2 killed as a result of limit of /syz2 [ 474.684623] memory: usage 306612kB, limit 307200kB, failcnt 1449 [ 474.690880] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 474.697821] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 474.704041] Memory cgroup stats for /syz2: cache:0KB rss:300444KB rss_huge:268288KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:252752KB active_anon:7088KB inactive_file:0KB active_file:0KB unevictable:40744KB [ 474.725611] Memory cgroup out of memory: Kill process 13688 (syz-executor.2) score 1200 or sacrifice child [ 474.735565] Killed process 13688 (syz-executor.2) total-vm:72716kB, anon-rss:18012kB, file-rss:54352kB, shmem-rss:0kB [ 474.797177] oom_reaper: reaped process 13688 (syz-executor.2), now anon-rss:18216kB, file-rss:54344kB, shmem-rss:0kB 13:36:12 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:36:12 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:12 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xf1414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:12 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:12 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:12 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:12 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:12 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:13 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:13 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x10000000, @ipv4={[], [], @local}}, 0x1c) 13:36:13 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:13 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 475.725819] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 475.913692] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 476.023433] CPU: 0 PID: 13783 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 476.031292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 476.040738] Call Trace: [ 476.043342] dump_stack+0x197/0x210 [ 476.047130] dump_header+0x15e/0xa55 [ 476.050884] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 476.056007] ? ___ratelimit+0x60/0x595 [ 476.059895] ? do_raw_spin_unlock+0x178/0x270 [ 476.064394] oom_kill_process.cold+0x10/0x6ef [ 476.068887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.074698] ? task_will_free_mem+0x139/0x6e0 [ 476.079192] out_of_memory+0x362/0x1330 [ 476.083694] ? lock_downgrade+0x880/0x880 [ 476.087925] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 476.093031] ? oom_killer_disable+0x280/0x280 [ 476.097521] ? find_held_lock+0x35/0x130 [ 476.101594] mem_cgroup_out_of_memory+0x1d2/0x240 [ 476.106427] ? memcg_event_wake+0x230/0x230 [ 476.110882] ? do_raw_spin_unlock+0x178/0x270 [ 476.115415] ? _raw_spin_unlock+0x2d/0x50 [ 476.119578] try_charge+0xec5/0x1490 [ 476.123583] ? lock_downgrade+0x880/0x880 [ 476.127739] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 476.132577] ? rcu_read_unlock+0x33/0x60 [ 476.136702] ? get_mem_cgroup_from_mm+0x185/0x510 [ 476.141572] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 476.147819] ? futex_wait_queue_me+0x414/0x600 [ 476.152508] ? handle_futex_death.part.0+0x250/0x250 [ 476.157720] mem_cgroup_try_charge+0x259/0x6b0 [ 476.162304] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 476.167236] wp_page_copy+0x430/0x16a0 [ 476.171130] ? pmd_pfn+0x1d0/0x1d0 [ 476.174755] ? do_raw_spin_unlock+0x178/0x270 [ 476.179250] do_wp_page+0x57d/0x10b0 [ 476.182972] ? finish_mkwrite_fault+0x4f0/0x4f0 [ 476.187635] ? kasan_check_write+0x14/0x20 [ 476.191861] ? do_raw_spin_lock+0xc8/0x240 [ 476.196184] __handle_mm_fault+0x2305/0x3f80 [ 476.200777] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 476.205627] ? count_memcg_event_mm+0x2b1/0x4d0 [ 476.210290] handle_mm_fault+0x1b5/0x690 [ 476.214378] __do_page_fault+0x62a/0xe90 [ 476.218435] ? vmalloc_fault+0x740/0x740 [ 476.222490] ? trace_hardirqs_off_caller+0x65/0x220 [ 476.227503] ? trace_hardirqs_on_caller+0x6a/0x220 [ 476.232521] ? page_fault+0x8/0x30 [ 476.236061] do_page_fault+0x71/0x57d [ 476.239859] ? page_fault+0x8/0x30 [ 476.243396] page_fault+0x1e/0x30 [ 476.246839] RIP: 0033:0x4041d9 [ 476.250035] Code: 66 00 39 45 24 0f 84 a6 01 00 00 80 3d a8 e4 66 00 00 74 0e 48 8b 85 90 00 00 00 48 c7 00 00 00 00 00 e8 0a 0c 01 00 49 89 c4 00 00 00 00 00 49 8b 46 10 48 85 c0 0f 84 3c 01 00 00 48 83 ec [ 476.269191] RSP: 002b:00007f7b097aac90 EFLAGS: 00010207 [ 476.274555] RAX: 00007f7b097ab6d4 RBX: 0000000000000003 RCX: 0000000000000003 [ 476.282091] RDX: 0000000000025694 RSI: 00000000200000c0 RDI: 00000000004bf0ce [ 476.289397] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 476.296659] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b097ab6d4 [ 476.304020] R13: 00000000004c368b R14: 00000000004d7ac8 R15: 00000000ffffffff [ 477.030483] Task in /syz2 killed as a result of limit of /syz2 [ 477.045006] memory: usage 307200kB, limit 307200kB, failcnt 1487 [ 477.055984] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 477.063514] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 477.069865] Memory cgroup stats for /syz2: cache:0KB rss:300852KB rss_huge:270336KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:258968KB active_anon:7092KB inactive_file:0KB active_file:0KB unevictable:34936KB [ 477.092125] Memory cgroup out of memory: Kill process 13770 (syz-executor.2) score 1200 or sacrifice child [ 477.102429] Killed process 13789 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB [ 477.115792] oom_reaper: reaped process 13789 (syz-executor.2), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 477.126566] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 477.138936] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 477.144494] CPU: 0 PID: 13771 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 477.152796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 477.162165] Call Trace: [ 477.164770] dump_stack+0x197/0x210 [ 477.168416] dump_header+0x15e/0xa55 [ 477.172144] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 477.177337] ? ___ratelimit+0x60/0x595 [ 477.181221] ? do_raw_spin_unlock+0x178/0x270 [ 477.185730] oom_kill_process.cold+0x10/0x6ef [ 477.190322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 477.195871] ? task_will_free_mem+0x139/0x6e0 [ 477.200411] out_of_memory+0x362/0x1330 [ 477.204415] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 477.209600] ? oom_killer_disable+0x280/0x280 [ 477.214086] ? find_held_lock+0x35/0x130 [ 477.218163] mem_cgroup_out_of_memory+0x1d2/0x240 [ 477.223020] ? memcg_event_wake+0x230/0x230 [ 477.227358] ? do_raw_spin_unlock+0x178/0x270 [ 477.231860] ? _raw_spin_unlock+0x2d/0x50 [ 477.236019] try_charge+0xc6e/0x1490 [ 477.239728] ? lock_downgrade+0x880/0x880 [ 477.243888] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 477.248734] ? rcu_read_unlock+0x33/0x60 [ 477.252793] ? get_mem_cgroup_from_mm+0x185/0x510 [ 477.257653] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 477.263731] ? mark_held_locks+0x100/0x100 [ 477.267987] mem_cgroup_try_charge+0x259/0x6b0 [ 477.272589] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 477.277524] __handle_mm_fault+0x1e50/0x3f80 [ 477.281953] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 477.286814] ? count_memcg_event_mm+0x2b1/0x4d0 [ 477.291582] handle_mm_fault+0x1b5/0x690 [ 477.295657] __get_user_pages+0x609/0x17a0 [ 477.299891] ? follow_page_mask+0x19d0/0x19d0 [ 477.304400] ? memset+0x32/0x40 [ 477.307771] populate_vma_page_range+0x20d/0x2a0 [ 477.312522] __mm_populate+0x204/0x380 [ 477.317704] ? populate_vma_page_range+0x2a0/0x2a0 [ 477.322641] __x64_sys_mremap+0x8de/0xaa0 [ 477.326814] ? mremap_to+0x6e0/0x6e0 [ 477.330557] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 477.335603] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 477.340360] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 477.345820] ? do_syscall_64+0x26/0x620 [ 477.349805] ? lockdep_hardirqs_on+0x415/0x5d0 [ 477.354483] ? trace_hardirqs_on+0x67/0x220 [ 477.358819] do_syscall_64+0xfd/0x620 [ 477.362641] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 477.367831] RIP: 0033:0x45a639 [ 477.371027] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 477.392119] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 477.399857] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 477.407138] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 477.414514] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 477.422314] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 477.429698] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 477.437547] Task in /syz2 killed as a result of limit of /syz2 [ 477.443716] memory: usage 298748kB, limit 307200kB, failcnt 1487 [ 477.449894] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 477.457188] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 477.463507] Memory cgroup stats for /syz2: cache:0KB rss:292748KB rss_huge:262144KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:252752KB active_anon:7088KB inactive_file:0KB active_file:0KB unevictable:32888KB [ 477.485155] Memory cgroup out of memory: Kill process 13770 (syz-executor.2) score 1200 or sacrifice child [ 477.495281] Killed process 13770 (syz-executor.2) total-vm:72716kB, anon-rss:10296kB, file-rss:54352kB, shmem-rss:0kB [ 477.545318] oom_reaper: reaped process 13770 (syz-executor.2), now anon-rss:10364kB, file-rss:54344kB, shmem-rss:0kB 13:36:15 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:36:15 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:15 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:15 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:15 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:15 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x10000120, @ipv4={[], [], @local}}, 0x1c) 13:36:15 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:15 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(r2, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:15 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x101414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:15 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r3) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:15 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:15 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 478.885185] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 479.000686] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 479.021126] CPU: 0 PID: 13854 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 479.029080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 479.038556] Call Trace: [ 479.041170] dump_stack+0x197/0x210 [ 479.044915] dump_header+0x15e/0xa55 [ 479.048785] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 479.053921] ? ___ratelimit+0x60/0x595 [ 479.057833] ? do_raw_spin_unlock+0x178/0x270 [ 479.062362] oom_kill_process.cold+0x10/0x6ef [ 479.066976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 479.073502] ? task_will_free_mem+0x139/0x6e0 [ 479.078410] ? find_held_lock+0x35/0x130 [ 479.082783] out_of_memory+0x362/0x1330 [ 479.086781] ? lock_downgrade+0x880/0x880 [ 479.091051] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 479.096682] ? oom_killer_disable+0x280/0x280 [ 479.101199] ? find_held_lock+0x35/0x130 [ 479.105287] mem_cgroup_out_of_memory+0x1d2/0x240 [ 479.110397] ? memcg_event_wake+0x230/0x230 [ 479.114899] ? do_raw_spin_unlock+0x178/0x270 [ 479.119420] ? _raw_spin_unlock+0x2d/0x50 [ 479.123601] try_charge+0xec5/0x1490 [ 479.127343] ? lock_downgrade+0x880/0x880 [ 479.131517] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 479.136379] ? rcu_read_unlock+0x33/0x60 [ 479.140458] ? get_mem_cgroup_from_mm+0x185/0x510 [ 479.145313] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 479.151475] ? mark_held_locks+0x100/0x100 [ 479.155761] mem_cgroup_try_charge+0x259/0x6b0 [ 479.160369] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 479.165319] __handle_mm_fault+0x1e50/0x3f80 [ 479.169744] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 479.174629] ? count_memcg_event_mm+0x2b1/0x4d0 [ 479.179450] handle_mm_fault+0x1b5/0x690 [ 479.183534] __get_user_pages+0x609/0x17a0 [ 479.187881] ? follow_page_mask+0x19d0/0x19d0 [ 479.192398] ? memset+0x32/0x40 [ 479.195700] populate_vma_page_range+0x20d/0x2a0 [ 479.200523] __mm_populate+0x204/0x380 [ 479.204432] ? populate_vma_page_range+0x2a0/0x2a0 [ 479.209505] __x64_sys_mremap+0x8de/0xaa0 [ 479.213852] ? mremap_to+0x6e0/0x6e0 [ 479.217677] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 479.222456] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 479.227356] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 479.232736] ? do_syscall_64+0x26/0x620 [ 479.236901] ? lockdep_hardirqs_on+0x415/0x5d0 [ 479.241616] ? trace_hardirqs_on+0x67/0x220 [ 479.245954] do_syscall_64+0xfd/0x620 [ 479.249779] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 479.254976] RIP: 0033:0x45a639 [ 479.258177] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 479.277181] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 479.285094] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 479.292470] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 479.299760] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 479.307195] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 479.314522] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 479.390500] Task in /syz2 killed as a result of limit of /syz2 [ 479.396587] memory: usage 307200kB, limit 307200kB, failcnt 1529 [ 479.481079] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 479.487904] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 479.575671] Memory cgroup stats for /syz2: cache:0KB rss:300948KB rss_huge:270336KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:258968KB active_anon:7096KB inactive_file:0KB active_file:0KB unevictable:34928KB [ 479.664093] Memory cgroup out of memory: Kill process 13852 (syz-executor.2) score 1200 or sacrifice child [ 479.677109] Killed process 13906 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB 13:36:17 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:36:17 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r3) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:17 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:17 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:17 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x111414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:17 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:18 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r3) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:18 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x121414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:18 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:18 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:18 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:18 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 481.203785] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 481.280658] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 481.312661] CPU: 1 PID: 13956 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 481.320518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 481.329979] Call Trace: [ 481.332680] dump_stack+0x197/0x210 [ 481.336427] dump_header+0x15e/0xa55 [ 481.340263] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 481.345397] ? ___ratelimit+0x60/0x595 [ 481.349307] ? do_raw_spin_unlock+0x178/0x270 [ 481.353922] oom_kill_process.cold+0x10/0x6ef [ 481.358450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 481.364187] ? task_will_free_mem+0x139/0x6e0 [ 481.368712] ? find_held_lock+0x35/0x130 [ 481.372916] out_of_memory+0x362/0x1330 [ 481.376922] ? lock_downgrade+0x880/0x880 [ 481.381095] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 481.386225] ? oom_killer_disable+0x280/0x280 [ 481.390742] ? find_held_lock+0x35/0x130 [ 481.394935] mem_cgroup_out_of_memory+0x1d2/0x240 [ 481.399810] ? memcg_event_wake+0x230/0x230 [ 481.404176] ? do_raw_spin_unlock+0x178/0x270 [ 481.408705] ? _raw_spin_unlock+0x2d/0x50 [ 481.412899] try_charge+0xec5/0x1490 [ 481.416734] ? lock_downgrade+0x880/0x880 [ 481.420922] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 481.425793] ? rcu_read_unlock+0x33/0x60 [ 481.429885] ? get_mem_cgroup_from_mm+0x185/0x510 [ 481.434771] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 481.440978] ? mark_held_locks+0x100/0x100 [ 481.445256] mem_cgroup_try_charge+0x259/0x6b0 [ 481.449884] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 481.454848] __handle_mm_fault+0x1e50/0x3f80 [ 481.459296] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 481.464190] ? count_memcg_event_mm+0x2b1/0x4d0 [ 481.468892] handle_mm_fault+0x1b5/0x690 [ 481.472989] __get_user_pages+0x609/0x17a0 [ 481.477267] ? follow_page_mask+0x19d0/0x19d0 [ 481.481804] ? memset+0x32/0x40 [ 481.485123] populate_vma_page_range+0x20d/0x2a0 [ 481.490003] __mm_populate+0x204/0x380 [ 481.493930] ? populate_vma_page_range+0x2a0/0x2a0 [ 481.499023] ? call_rwsem_wake+0x1b/0x30 [ 481.503123] __x64_sys_mremap+0x8de/0xaa0 [ 481.507393] ? mremap_to+0x6e0/0x6e0 [ 481.511127] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 481.515879] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 481.520653] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 481.526730] ? do_syscall_64+0x26/0x620 [ 481.530700] ? lockdep_hardirqs_on+0x415/0x5d0 [ 481.535287] ? trace_hardirqs_on+0x67/0x220 [ 481.540373] do_syscall_64+0xfd/0x620 [ 481.544192] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 481.549476] RIP: 0033:0x45a639 [ 481.552681] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 481.571591] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 481.579557] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 481.586855] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 481.594323] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 481.601612] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 481.608899] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 481.623061] Task in /syz2 killed as a result of limit of /syz2 [ 481.712342] memory: usage 307200kB, limit 307200kB, failcnt 1550 [ 481.784176] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 481.899284] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 481.983811] Memory cgroup stats for /syz2: cache:0KB rss:300888KB rss_huge:270336KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:258968KB active_anon:7096KB inactive_file:0KB active_file:0KB unevictable:34892KB [ 482.740511] Memory cgroup out of memory: Kill process 13953 (syz-executor.2) score 1197 or sacrifice child [ 482.773250] Killed process 14003 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB 13:36:20 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:36:20 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x131414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:20 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:20 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:20 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:20 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:21 executing program 3: sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:21 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:21 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:21 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:21 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x141414ac, @ipv4={[], [], @local}}, 0x1c) [ 483.778714] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 483.874847] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 483.911166] CPU: 1 PID: 14066 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 483.919289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 483.928666] Call Trace: [ 483.931291] dump_stack+0x197/0x210 [ 483.934947] dump_header+0x15e/0xa55 [ 483.938696] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 483.943829] ? ___ratelimit+0x60/0x595 [ 483.947740] ? do_raw_spin_unlock+0x178/0x270 [ 483.952269] oom_kill_process.cold+0x10/0x6ef [ 483.956845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 483.962414] ? task_will_free_mem+0x139/0x6e0 [ 483.966941] ? find_held_lock+0x35/0x130 [ 483.971041] out_of_memory+0x362/0x1330 [ 483.975050] ? lock_downgrade+0x880/0x880 [ 483.979318] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 483.984718] ? oom_killer_disable+0x280/0x280 [ 483.989243] ? find_held_lock+0x35/0x130 [ 483.993357] mem_cgroup_out_of_memory+0x1d2/0x240 [ 483.998232] ? memcg_event_wake+0x230/0x230 [ 484.002592] ? do_raw_spin_unlock+0x178/0x270 [ 484.007125] ? _raw_spin_unlock+0x2d/0x50 [ 484.011305] try_charge+0xec5/0x1490 [ 484.015223] ? lock_downgrade+0x880/0x880 [ 484.019409] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 484.024424] ? rcu_read_unlock+0x33/0x60 [ 484.028521] ? get_mem_cgroup_from_mm+0x185/0x510 [ 484.033394] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 484.039483] ? mark_held_locks+0x100/0x100 [ 484.043840] mem_cgroup_try_charge+0x259/0x6b0 [ 484.048462] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 484.053594] __handle_mm_fault+0x1e50/0x3f80 [ 484.058031] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 484.062916] ? count_memcg_event_mm+0x2b1/0x4d0 [ 484.067654] handle_mm_fault+0x1b5/0x690 13:36:21 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x151414ac, @ipv4={[], [], @local}}, 0x1c) [ 484.071764] __get_user_pages+0x609/0x17a0 [ 484.076151] ? follow_page_mask+0x19d0/0x19d0 [ 484.080999] ? memset+0x32/0x40 [ 484.084312] populate_vma_page_range+0x20d/0x2a0 [ 484.089104] __mm_populate+0x204/0x380 [ 484.093017] ? populate_vma_page_range+0x2a0/0x2a0 [ 484.097996] __x64_sys_mremap+0x8de/0xaa0 [ 484.102175] ? mremap_to+0x6e0/0x6e0 [ 484.105941] ? retint_kernel+0x2d/0x2d [ 484.109855] ? __x64_sys_mremap+0x1a/0xaa0 [ 484.114120] do_syscall_64+0xfd/0x620 [ 484.117958] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 484.123166] RIP: 0033:0x45a639 [ 484.126504] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 484.147021] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 484.155135] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 484.162637] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 484.170011] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 484.177410] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 484.184780] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 484.225596] Task in /syz2 killed as a result of limit of /syz2 [ 484.232199] memory: usage 307200kB, limit 307200kB, failcnt 1576 [ 484.238447] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 484.245823] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 484.252812] Memory cgroup stats for /syz2: cache:0KB rss:300800KB rss_huge:270336KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:258968KB active_anon:7096KB inactive_file:0KB active_file:0KB unevictable:34896KB [ 484.290651] Memory cgroup out of memory: Kill process 14064 (syz-executor.2) score 1200 or sacrifice child [ 484.315496] Killed process 14084 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB 13:36:22 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:22 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x161414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:22 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:22 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:22 executing program 3: sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:22 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) [ 484.783649] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 484.818617] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 484.826292] CPU: 0 PID: 14120 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 484.834197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 484.843563] Call Trace: [ 484.846178] dump_stack+0x197/0x210 [ 484.849820] dump_header+0x15e/0xa55 [ 484.854452] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 484.859588] ? ___ratelimit+0x60/0x595 [ 484.863598] ? do_raw_spin_unlock+0x178/0x270 [ 484.868104] oom_kill_process.cold+0x10/0x6ef [ 484.872594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 484.878300] ? task_will_free_mem+0x139/0x6e0 [ 484.882786] ? find_held_lock+0x35/0x130 [ 484.886841] out_of_memory+0x362/0x1330 [ 484.890896] ? lock_downgrade+0x880/0x880 [ 484.895317] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 484.900529] ? oom_killer_disable+0x280/0x280 [ 484.905026] ? find_held_lock+0x35/0x130 [ 484.909091] mem_cgroup_out_of_memory+0x1d2/0x240 [ 484.914034] ? memcg_event_wake+0x230/0x230 [ 484.918440] ? do_raw_spin_unlock+0x178/0x270 [ 484.923021] ? _raw_spin_unlock+0x2d/0x50 [ 484.927181] try_charge+0xec5/0x1490 [ 484.930894] ? lock_downgrade+0x880/0x880 [ 484.935046] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 484.939880] ? rcu_read_unlock+0x33/0x60 [ 484.944454] ? get_mem_cgroup_from_mm+0x185/0x510 [ 484.949306] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 484.955545] ? mark_held_locks+0x100/0x100 [ 484.959780] mem_cgroup_try_charge+0x259/0x6b0 [ 484.964359] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 484.969509] __handle_mm_fault+0x1e50/0x3f80 [ 484.974006] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 484.978850] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 484.984382] ? sync_mm_rss+0xa4/0x1c0 [ 484.988190] handle_mm_fault+0x1b5/0x690 [ 484.992358] __get_user_pages+0x609/0x17a0 [ 484.996703] ? follow_page_mask+0x19d0/0x19d0 [ 485.001198] ? memset+0x32/0x40 [ 485.004484] populate_vma_page_range+0x20d/0x2a0 [ 485.009234] __mm_populate+0x204/0x380 [ 485.013216] ? populate_vma_page_range+0x2a0/0x2a0 [ 485.018161] __x64_sys_mremap+0x8de/0xaa0 [ 485.022415] ? mremap_to+0x6e0/0x6e0 [ 485.026137] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 485.030886] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 485.035646] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 485.041168] ? do_syscall_64+0x26/0x620 [ 485.045232] ? lockdep_hardirqs_on+0x415/0x5d0 [ 485.049816] ? trace_hardirqs_on+0x67/0x220 [ 485.054136] do_syscall_64+0xfd/0x620 [ 485.057936] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 485.063220] RIP: 0033:0x45a639 13:36:22 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x171414ac, @ipv4={[], [], @local}}, 0x1c) [ 485.066427] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 485.085427] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 485.093427] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 485.101208] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 485.108469] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 485.115767] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 485.123571] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff 13:36:22 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:22 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:22 executing program 3: sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 485.185913] Task in /syz2 killed as a result of limit of /syz2 [ 485.216864] memory: usage 307200kB, limit 307200kB, failcnt 1597 [ 485.250636] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 485.267879] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 485.279188] Memory cgroup stats for /syz2: cache:0KB rss:300912KB rss_huge:270336KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:258968KB active_anon:7092KB inactive_file:0KB active_file:0KB unevictable:34864KB 13:36:23 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x181414ac, @ipv4={[], [], @local}}, 0x1c) [ 485.610570] Memory cgroup out of memory: Kill process 14119 (syz-executor.2) score 1197 or sacrifice child [ 485.671136] Killed process 14127 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB [ 485.753912] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 13:36:23 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 485.801977] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 485.896880] CPU: 0 PID: 14125 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 485.904785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 485.914248] Call Trace: [ 485.916876] dump_stack+0x197/0x210 [ 485.920547] dump_header+0x15e/0xa55 [ 485.924291] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 485.929692] ? ___ratelimit+0x60/0x595 [ 485.933621] ? do_raw_spin_unlock+0x178/0x270 [ 485.938167] oom_kill_process.cold+0x10/0x6ef [ 485.942694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 485.948263] ? task_will_free_mem+0x139/0x6e0 [ 485.952798] out_of_memory+0x362/0x1330 [ 485.957009] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 485.962229] ? oom_killer_disable+0x280/0x280 [ 485.966747] ? find_held_lock+0x35/0x130 [ 485.970936] mem_cgroup_out_of_memory+0x1d2/0x240 [ 485.975808] ? memcg_event_wake+0x230/0x230 [ 485.980164] ? do_raw_spin_unlock+0x178/0x270 [ 485.984688] ? _raw_spin_unlock+0x2d/0x50 [ 485.988964] try_charge+0xc6e/0x1490 [ 485.992752] ? lock_downgrade+0x880/0x880 [ 485.996939] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 486.001899] ? rcu_read_unlock+0x33/0x60 [ 486.006015] ? get_mem_cgroup_from_mm+0x185/0x510 [ 486.010994] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 486.017085] ? futex_wait_queue_me+0x414/0x600 [ 486.021696] ? handle_futex_death.part.0+0x250/0x250 [ 486.026840] mem_cgroup_try_charge+0x259/0x6b0 [ 486.031460] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 486.036450] wp_page_copy+0x430/0x16a0 [ 486.040473] ? pmd_pfn+0x1d0/0x1d0 [ 486.044059] ? do_raw_spin_unlock+0x178/0x270 [ 486.048614] do_wp_page+0x57d/0x10b0 [ 486.052362] ? finish_mkwrite_fault+0x4f0/0x4f0 [ 486.057142] ? kasan_check_write+0x14/0x20 [ 486.061399] ? do_raw_spin_lock+0xc8/0x240 [ 486.065692] __handle_mm_fault+0x2305/0x3f80 [ 486.070252] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 486.075158] ? count_memcg_event_mm+0x2b1/0x4d0 [ 486.079857] handle_mm_fault+0x1b5/0x690 [ 486.083962] __do_page_fault+0x62a/0xe90 [ 486.088229] ? vmalloc_fault+0x740/0x740 [ 486.092313] ? trace_hardirqs_off_caller+0x65/0x220 [ 486.097350] ? trace_hardirqs_on_caller+0x6a/0x220 [ 486.102307] ? page_fault+0x8/0x30 [ 486.105876] do_page_fault+0x71/0x57d [ 486.109700] ? page_fault+0x8/0x30 [ 486.113289] page_fault+0x1e/0x30 [ 486.116751] RIP: 0033:0x4041d9 [ 486.119970] Code: 66 00 39 45 24 0f 84 a6 01 00 00 80 3d a8 e4 66 00 00 74 0e 48 8b 85 90 00 00 00 48 c7 00 00 00 00 00 e8 0a 0c 01 00 49 89 c4 00 00 00 00 00 49 8b 46 10 48 85 c0 0f 84 3c 01 00 00 48 83 ec 13:36:23 executing program 3: prlimit64(0x0, 0x0, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:23 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 486.146720] RSP: 002b:00007f7b097aac90 EFLAGS: 00010207 [ 486.152118] RAX: 00007f7b097ab6d4 RBX: 0000000000000003 RCX: 0000000000000003 [ 486.159413] RDX: 0000000000027baf RSI: 00000000200000c0 RDI: 00000000004bf0ce [ 486.166829] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 486.174307] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b097ab6d4 [ 486.181604] R13: 00000000004c368b R14: 00000000004d7ac8 R15: 00000000ffffffff 13:36:23 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:23 executing program 3: prlimit64(0x0, 0x0, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:23 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x191414ac, @ipv4={[], [], @local}}, 0x1c) [ 486.326234] Task in /syz2 killed as a result of limit of /syz2 [ 486.333399] memory: usage 306688kB, limit 307200kB, failcnt 1597 [ 486.480572] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 486.504388] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 486.557619] Memory cgroup stats for /syz2: cache:0KB rss:300576KB rss_huge:268288KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:252752KB active_anon:7088KB inactive_file:0KB active_file:0KB unevictable:40744KB [ 486.583447] Memory cgroup out of memory: Kill process 14119 (syz-executor.2) score 1197 or sacrifice child [ 486.593647] Killed process 14119 (syz-executor.2) total-vm:72716kB, anon-rss:17960kB, file-rss:53452kB, shmem-rss:0kB [ 486.615762] oom_reaper: reaped process 14119 (syz-executor.2), now anon-rss:18004kB, file-rss:54344kB, shmem-rss:0kB 13:36:24 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:36:24 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:24 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:24 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x1a1414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:24 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:24 executing program 3: prlimit64(0x0, 0x0, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:24 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:25 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:25 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x1b1414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:25 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:25 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:25 executing program 3: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 488.751685] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 488.920475] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 488.925940] CPU: 1 PID: 14204 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 488.933856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 488.943347] Call Trace: [ 488.945965] dump_stack+0x197/0x210 [ 488.949637] dump_header+0x15e/0xa55 [ 488.953385] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 488.958524] ? ___ratelimit+0x60/0x595 [ 488.962439] ? do_raw_spin_unlock+0x178/0x270 [ 488.967062] oom_kill_process.cold+0x10/0x6ef [ 488.971586] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 488.977151] ? task_will_free_mem+0x139/0x6e0 [ 488.981672] ? find_held_lock+0x35/0x130 [ 488.985898] out_of_memory+0x362/0x1330 [ 488.989992] ? lock_downgrade+0x880/0x880 [ 488.994172] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 488.999474] ? oom_killer_disable+0x280/0x280 [ 489.004185] ? find_held_lock+0x35/0x130 [ 489.008472] mem_cgroup_out_of_memory+0x1d2/0x240 [ 489.013526] ? memcg_event_wake+0x230/0x230 [ 489.017888] ? do_raw_spin_unlock+0x178/0x270 [ 489.022505] ? _raw_spin_unlock+0x2d/0x50 [ 489.026701] try_charge+0xec5/0x1490 [ 489.030444] ? lock_downgrade+0x880/0x880 [ 489.034714] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 489.039581] ? rcu_read_unlock+0x33/0x60 [ 489.043668] ? get_mem_cgroup_from_mm+0x185/0x510 [ 489.049154] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 489.055514] ? mark_held_locks+0x100/0x100 [ 489.059878] mem_cgroup_try_charge+0x259/0x6b0 [ 489.064502] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 489.069470] __handle_mm_fault+0x1e50/0x3f80 [ 489.075076] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 489.080704] ? count_memcg_event_mm+0x2b1/0x4d0 [ 489.085495] handle_mm_fault+0x1b5/0x690 [ 489.089678] __get_user_pages+0x609/0x17a0 [ 489.094038] ? follow_page_mask+0x19d0/0x19d0 [ 489.098562] ? memset+0x32/0x40 [ 489.101873] populate_vma_page_range+0x20d/0x2a0 [ 489.106919] __mm_populate+0x204/0x380 [ 489.110823] ? populate_vma_page_range+0x2a0/0x2a0 [ 489.115763] __x64_sys_mremap+0x8de/0xaa0 [ 489.119916] ? mremap_to+0x6e0/0x6e0 [ 489.123633] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 489.128391] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 489.133137] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 489.138590] ? do_syscall_64+0x26/0x620 [ 489.142680] ? lockdep_hardirqs_on+0x415/0x5d0 [ 489.147292] ? trace_hardirqs_on+0x67/0x220 [ 489.151944] do_syscall_64+0xfd/0x620 [ 489.155866] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 489.161238] RIP: 0033:0x45a639 [ 489.164431] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 489.183417] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 489.191219] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 489.198570] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 489.205942] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 489.213341] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 489.220613] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 489.229461] Task in /syz2 killed as a result of limit of /syz2 [ 489.235735] memory: usage 307200kB, limit 307200kB, failcnt 1639 [ 489.242431] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 489.250315] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 489.256579] Memory cgroup stats for /syz2: cache:0KB rss:300800KB rss_huge:270336KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:258964KB active_anon:7100KB inactive_file:0KB active_file:0KB unevictable:34852KB [ 489.280136] Memory cgroup out of memory: Kill process 14198 (syz-executor.2) score 1199 or sacrifice child [ 489.290125] Killed process 14270 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB [ 489.302716] oom_reaper: reaped process 14270 (syz-executor.2), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB 13:36:27 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x0, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:36:27 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x1c1414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:27 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:27 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:27 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:27 executing program 3: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:27 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x1d1414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:27 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:27 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) dup2(r1, r3) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:27 executing program 3: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:27 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:27 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x1e1414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:28 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x0, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:36:28 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) dup2(r1, r3) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:28 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:28 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:28 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:28 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x1f1414ac, @ipv4={[], [], @local}}, 0x1c) [ 491.197501] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 491.209378] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 491.215498] CPU: 1 PID: 14365 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 491.223323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 491.232702] Call Trace: [ 491.235323] dump_stack+0x197/0x210 [ 491.238975] dump_header+0x15e/0xa55 [ 491.242721] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 491.247849] ? ___ratelimit+0x60/0x595 [ 491.251756] ? do_raw_spin_unlock+0x178/0x270 [ 491.256291] oom_kill_process.cold+0x10/0x6ef [ 491.260817] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 491.266493] ? task_will_free_mem+0x139/0x6e0 [ 491.271013] ? find_held_lock+0x35/0x130 [ 491.275108] out_of_memory+0x362/0x1330 [ 491.279108] ? lock_downgrade+0x880/0x880 [ 491.283712] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 491.288847] ? oom_killer_disable+0x280/0x280 [ 491.293366] ? find_held_lock+0x35/0x130 [ 491.297462] mem_cgroup_out_of_memory+0x1d2/0x240 [ 491.302416] ? memcg_event_wake+0x230/0x230 [ 491.306774] ? do_raw_spin_unlock+0x178/0x270 [ 491.311303] ? _raw_spin_unlock+0x2d/0x50 [ 491.315712] try_charge+0xec5/0x1490 [ 491.319486] ? lock_downgrade+0x880/0x880 [ 491.323675] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 491.328752] ? rcu_read_unlock+0x33/0x60 [ 491.332981] ? get_mem_cgroup_from_mm+0x185/0x510 [ 491.337863] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 491.343952] ? mark_held_locks+0x100/0x100 [ 491.348349] mem_cgroup_try_charge+0x259/0x6b0 [ 491.352971] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 491.358021] __handle_mm_fault+0x1e50/0x3f80 [ 491.362464] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 491.367472] ? count_memcg_event_mm+0x2b1/0x4d0 [ 491.372170] handle_mm_fault+0x1b5/0x690 [ 491.376259] __get_user_pages+0x609/0x17a0 [ 491.380630] ? follow_page_mask+0x19d0/0x19d0 [ 491.385157] ? lock_acquire+0x16f/0x3f0 [ 491.389139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 491.394792] populate_vma_page_range+0x20d/0x2a0 [ 491.399683] __mm_populate+0x204/0x380 [ 491.403610] ? populate_vma_page_range+0x2a0/0x2a0 [ 491.408661] __x64_sys_mlockall+0x35c/0x520 [ 491.413012] do_syscall_64+0xfd/0x620 [ 491.416844] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 491.422059] RIP: 0033:0x45a639 [ 491.425365] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 491.444399] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 491.452133] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000045a639 [ 491.459561] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 491.466957] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 491.474248] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 491.481551] R13: 00000000004c708b R14: 00000000004dca60 R15: 00000000ffffffff 13:36:29 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:29 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x20000000, @ipv4={[], [], @local}}, 0x1c) [ 491.629234] Task in /syz2 killed as a result of limit of /syz2 [ 491.637502] memory: usage 307176kB, limit 307200kB, failcnt 1674 [ 491.645419] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 491.690618] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 491.720811] Memory cgroup stats for /syz2: cache:0KB rss:300816KB rss_huge:268288KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:262776KB active_anon:7108KB inactive_file:12KB active_file:0KB unevictable:31000KB 13:36:29 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) dup2(r1, r3) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:29 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:29 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x20010010, @ipv4={[], [], @local}}, 0x1c) 13:36:29 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 491.814236] Memory cgroup out of memory: Kill process 9502 (syz-executor.2) score 1162 or sacrifice child [ 491.849667] Killed process 9502 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB [ 492.028127] oom_reaper: reaped process 9502 (syz-executor.2), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB 13:36:30 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x0, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:36:30 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:30 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:30 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:30 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:30 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x201414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:31 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:31 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x211414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:31 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:31 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:31 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 493.590518] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 13:36:31 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 493.910913] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 493.937962] CPU: 0 PID: 14442 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 493.945998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 493.955458] Call Trace: [ 493.958099] dump_stack+0x197/0x210 [ 493.961869] dump_header+0x15e/0xa55 [ 493.965703] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 493.970930] ? ___ratelimit+0x60/0x595 [ 493.974895] ? do_raw_spin_unlock+0x178/0x270 [ 493.979414] oom_kill_process.cold+0x10/0x6ef [ 493.983938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 493.989630] ? task_will_free_mem+0x139/0x6e0 [ 493.994332] ? find_held_lock+0x35/0x130 [ 493.998437] out_of_memory+0x362/0x1330 [ 494.002486] ? lock_downgrade+0x880/0x880 [ 494.006664] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 494.011793] ? oom_killer_disable+0x280/0x280 [ 494.016322] ? find_held_lock+0x35/0x130 [ 494.020413] mem_cgroup_out_of_memory+0x1d2/0x240 [ 494.025293] ? memcg_event_wake+0x230/0x230 [ 494.029650] ? do_raw_spin_unlock+0x178/0x270 [ 494.034349] ? _raw_spin_unlock+0x2d/0x50 [ 494.038617] try_charge+0xec5/0x1490 [ 494.042388] ? lock_downgrade+0x880/0x880 [ 494.046570] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 494.051432] ? rcu_read_unlock+0x33/0x60 [ 494.055968] ? get_mem_cgroup_from_mm+0x185/0x510 [ 494.061717] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 494.067816] ? mark_held_locks+0x100/0x100 [ 494.072281] mem_cgroup_try_charge+0x259/0x6b0 [ 494.077426] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 494.082388] __handle_mm_fault+0x1e50/0x3f80 [ 494.086830] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 494.091716] ? count_memcg_event_mm+0x2b1/0x4d0 [ 494.096638] handle_mm_fault+0x1b5/0x690 [ 494.100735] __get_user_pages+0x609/0x17a0 [ 494.105008] ? follow_page_mask+0x19d0/0x19d0 [ 494.109536] ? lock_acquire+0x16f/0x3f0 [ 494.113628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 494.119290] populate_vma_page_range+0x20d/0x2a0 [ 494.124084] __mm_populate+0x204/0x380 [ 494.128092] ? populate_vma_page_range+0x2a0/0x2a0 [ 494.133232] __x64_sys_mlockall+0x35c/0x520 [ 494.137585] do_syscall_64+0xfd/0x620 [ 494.141675] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 494.147025] RIP: 0033:0x45a639 [ 494.150681] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 494.171089] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 494.178925] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000045a639 [ 494.186219] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 [ 494.193512] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 494.200891] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 494.208315] R13: 00000000004c708b R14: 00000000004dca60 R15: 00000000ffffffff [ 494.227610] Task in /syz2 killed as a result of limit of /syz2 [ 494.236407] memory: usage 307200kB, limit 307200kB, failcnt 1706 [ 494.251958] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 494.264068] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 494.270648] Memory cgroup stats for /syz2: cache:0KB rss:300796KB rss_huge:266240KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:264824KB active_anon:7108KB inactive_file:4KB active_file:0KB unevictable:28960KB [ 494.292539] Memory cgroup out of memory: Kill process 9569 (syz-executor.2) score 1162 or sacrifice child [ 494.303100] Killed process 9569 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB 13:36:32 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, 0x0) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:36:32 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x221414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:32 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:32 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:32 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:32 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:33 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 495.540952] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 495.561016] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 495.602124] CPU: 1 PID: 14526 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 495.610088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 495.619548] Call Trace: [ 495.622143] dump_stack+0x197/0x210 [ 495.625853] dump_header+0x15e/0xa55 [ 495.629571] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 495.634667] ? ___ratelimit+0x60/0x595 [ 495.638545] ? do_raw_spin_unlock+0x178/0x270 [ 495.643040] oom_kill_process.cold+0x10/0x6ef [ 495.647534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 495.653149] ? task_will_free_mem+0x139/0x6e0 [ 495.657641] ? find_held_lock+0x35/0x130 [ 495.662046] out_of_memory+0x362/0x1330 [ 495.666016] ? lock_downgrade+0x880/0x880 [ 495.670165] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 495.675391] ? oom_killer_disable+0x280/0x280 [ 495.679887] ? find_held_lock+0x35/0x130 [ 495.684049] mem_cgroup_out_of_memory+0x1d2/0x240 [ 495.688897] ? memcg_event_wake+0x230/0x230 [ 495.693235] ? do_raw_spin_unlock+0x178/0x270 [ 495.697744] ? _raw_spin_unlock+0x2d/0x50 [ 495.701900] try_charge+0xec5/0x1490 [ 495.705617] ? lock_downgrade+0x880/0x880 [ 495.709768] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 495.714603] ? rcu_read_unlock+0x33/0x60 [ 495.718743] ? get_mem_cgroup_from_mm+0x185/0x510 [ 495.723683] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 495.729914] ? mark_held_locks+0x100/0x100 [ 495.734167] mem_cgroup_try_charge+0x259/0x6b0 [ 495.738761] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 495.743694] __handle_mm_fault+0x1e50/0x3f80 [ 495.748113] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 495.753061] ? count_memcg_event_mm+0x2b1/0x4d0 [ 495.757730] handle_mm_fault+0x1b5/0x690 [ 495.761804] __get_user_pages+0x609/0x17a0 [ 495.766203] ? follow_page_mask+0x19d0/0x19d0 [ 495.770732] ? lock_acquire+0x16f/0x3f0 [ 495.775235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 495.780861] populate_vma_page_range+0x20d/0x2a0 [ 495.785707] __mm_populate+0x204/0x380 [ 495.789592] ? populate_vma_page_range+0x2a0/0x2a0 [ 495.794523] __x64_sys_mlockall+0x35c/0x520 [ 495.798966] do_syscall_64+0xfd/0x620 [ 495.802764] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 495.808301] RIP: 0033:0x45a639 [ 495.811488] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 495.830773] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000097 [ 495.838488] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 000000000045a639 [ 495.845841] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001 13:36:33 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:33 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 495.853245] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 495.860713] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 495.868099] R13: 00000000004c708b R14: 00000000004dca60 R15: 00000000ffffffff 13:36:33 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) [ 495.907933] Task in /syz2 killed as a result of limit of /syz2 13:36:33 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x231414ac, @ipv4={[], [], @local}}, 0x1c) [ 495.957108] memory: usage 307200kB, limit 307200kB, failcnt 1747 [ 495.987581] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 496.026854] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 496.054789] Memory cgroup stats for /syz2: cache:0KB rss:300796KB rss_huge:264192KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:266876KB active_anon:7104KB inactive_file:4KB active_file:0KB unevictable:26916KB 13:36:33 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 496.315420] Memory cgroup out of memory: Kill process 9629 (syz-executor.2) score 1162 or sacrifice child [ 496.360487] Killed process 9629 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB [ 496.453130] oom_reaper: reaped process 9629 (syz-executor.2), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 497.009581] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 497.024511] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 497.034951] CPU: 0 PID: 14526 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 497.044212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 497.054582] Call Trace: [ 497.057447] dump_stack+0x197/0x210 [ 497.061163] dump_header+0x15e/0xa55 [ 497.065437] ? oom_kill_process+0x136/0x150 [ 497.069967] oom_kill_process.cold+0x10/0x6ef [ 497.075546] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 497.082792] ? task_will_free_mem+0x139/0x6e0 [ 497.088726] ? find_held_lock+0x35/0x130 [ 497.093284] out_of_memory+0x362/0x1330 [ 497.097733] ? lock_downgrade+0x880/0x880 [ 497.102359] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 497.107855] ? oom_killer_disable+0x280/0x280 [ 497.112638] ? find_held_lock+0x35/0x130 [ 497.117760] mem_cgroup_out_of_memory+0x1d2/0x240 [ 497.123781] ? memcg_event_wake+0x230/0x230 [ 497.128527] ? do_raw_spin_unlock+0x178/0x270 [ 497.133350] ? _raw_spin_unlock+0x2d/0x50 [ 497.138097] try_charge+0xec5/0x1490 [ 497.141843] ? lock_downgrade+0x880/0x880 [ 497.146446] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 497.151987] ? rcu_read_unlock+0x33/0x60 [ 497.156077] ? get_mem_cgroup_from_mm+0x185/0x510 [ 497.161252] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 497.168230] ? mark_held_locks+0x100/0x100 [ 497.173313] mem_cgroup_try_charge+0x259/0x6b0 [ 497.178452] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 497.184685] __handle_mm_fault+0x1e50/0x3f80 [ 497.189654] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 497.195007] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 497.200866] handle_mm_fault+0x1b5/0x690 [ 497.205276] __get_user_pages+0x609/0x17a0 [ 497.209792] ? follow_page_mask+0x19d0/0x19d0 [ 497.214818] ? retint_kernel+0x2d/0x2d [ 497.220307] populate_vma_page_range+0x20d/0x2a0 [ 497.226653] __mm_populate+0x204/0x380 [ 497.230609] ? populate_vma_page_range+0x2a0/0x2a0 [ 497.236194] ? call_rwsem_wake+0x1b/0x30 [ 497.244428] __x64_sys_mremap+0x8de/0xaa0 [ 497.249146] ? mremap_to+0x6e0/0x6e0 [ 497.253302] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 497.258271] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 497.263364] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 497.269042] ? do_syscall_64+0x26/0x620 [ 497.273490] ? lockdep_hardirqs_on+0x415/0x5d0 [ 497.278616] ? trace_hardirqs_on+0x67/0x220 [ 497.283541] do_syscall_64+0xfd/0x620 [ 497.287509] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 497.293176] RIP: 0033:0x45a639 [ 497.296879] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 497.320011] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 497.329946] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 497.339174] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 497.347038] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 497.357705] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 497.365768] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 497.376762] Task in /syz2 killed as a result of limit of /syz2 [ 497.384053] memory: usage 307200kB, limit 307200kB, failcnt 1814 [ 497.391528] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 497.398918] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 497.405762] Memory cgroup stats for /syz2: cache:0KB rss:300664KB rss_huge:262144KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:261852KB active_anon:7096KB inactive_file:0KB active_file:0KB unevictable:31868KB [ 497.430808] Memory cgroup out of memory: Kill process 14524 (syz-executor.2) score 1206 or sacrifice child [ 497.441961] Killed process 14576 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB [ 497.458233] oom_reaper: reaped process 14576 (syz-executor.2), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB 13:36:35 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:35 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:35 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x241414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:35 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:35 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, 0x0) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(0x0, 0x6, 0x2) 13:36:35 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:35 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x251414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:35 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:35 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:35 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:35 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:36 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x261414ac, @ipv4={[], [], @local}}, 0x1c) [ 498.599584] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 13:36:36 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:36 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) dup2(r1, r3) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 498.670520] syz-executor.2 cpuset=syz2 mems_allowed=0-1 13:36:36 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) [ 498.804838] CPU: 1 PID: 14596 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 498.816590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 498.826640] Call Trace: [ 498.829976] dump_stack+0x197/0x210 [ 498.834001] dump_header+0x15e/0xa55 [ 498.838183] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 498.843604] ? ___ratelimit+0x60/0x595 [ 498.847542] ? do_raw_spin_unlock+0x178/0x270 [ 498.852409] oom_kill_process.cold+0x10/0x6ef [ 498.857331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 498.863175] ? task_will_free_mem+0x139/0x6e0 [ 498.868322] ? find_held_lock+0x35/0x130 [ 498.872514] out_of_memory+0x362/0x1330 [ 498.876666] ? lock_downgrade+0x880/0x880 [ 498.881274] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 498.887516] ? oom_killer_disable+0x280/0x280 [ 498.892440] ? find_held_lock+0x35/0x130 [ 498.896778] mem_cgroup_out_of_memory+0x1d2/0x240 [ 498.902259] ? memcg_event_wake+0x230/0x230 [ 498.907146] ? do_raw_spin_unlock+0x178/0x270 [ 498.911776] ? _raw_spin_unlock+0x2d/0x50 [ 498.916476] try_charge+0xec5/0x1490 [ 498.920371] ? lock_downgrade+0x880/0x880 [ 498.924933] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 498.929936] ? rcu_read_unlock+0x33/0x60 [ 498.934228] ? get_mem_cgroup_from_mm+0x185/0x510 [ 498.939652] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 498.946146] ? mark_held_locks+0x100/0x100 [ 498.951948] mem_cgroup_try_charge+0x259/0x6b0 [ 498.957303] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 498.962914] __handle_mm_fault+0x1e50/0x3f80 [ 498.967766] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 498.973120] ? count_memcg_event_mm+0x2b1/0x4d0 [ 498.978279] handle_mm_fault+0x1b5/0x690 [ 498.982849] __get_user_pages+0x609/0x17a0 [ 498.987718] ? follow_page_mask+0x19d0/0x19d0 [ 498.992633] ? memset+0x32/0x40 [ 498.995962] populate_vma_page_range+0x20d/0x2a0 [ 499.001255] __mm_populate+0x204/0x380 [ 499.005448] ? populate_vma_page_range+0x2a0/0x2a0 [ 499.010773] ? call_rwsem_wake+0x1b/0x30 [ 499.015148] __x64_sys_mremap+0x8de/0xaa0 [ 499.019871] ? mremap_to+0x6e0/0x6e0 [ 499.023619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 499.029612] ? __do_page_fault+0x484/0xe90 [ 499.033974] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 499.039067] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 499.043944] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 499.049697] ? do_syscall_64+0x26/0x620 [ 499.054181] ? lockdep_hardirqs_on+0x415/0x5d0 [ 499.059835] ? trace_hardirqs_on+0x67/0x220 [ 499.064685] do_syscall_64+0xfd/0x620 [ 499.068569] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 499.074371] RIP: 0033:0x45a639 [ 499.078282] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 13:36:36 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) dup2(r1, r3) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 499.099329] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 499.108324] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 499.116579] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 499.124768] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 499.133016] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 499.140887] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 499.157977] Task in /syz2 killed as a result of limit of /syz2 [ 499.169012] memory: usage 307104kB, limit 307200kB, failcnt 1850 [ 499.194611] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 499.242306] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 499.275172] Memory cgroup stats for /syz2: cache:0KB rss:300724KB rss_huge:264192KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:263088KB active_anon:7088KB inactive_file:0KB active_file:0KB unevictable:30608KB [ 499.314857] Memory cgroup out of memory: Kill process 14593 (syz-executor.2) score 1205 or sacrifice child [ 499.327087] Killed process 14636 (syz-executor.2) total-vm:72720kB, anon-rss:18348kB, file-rss:34816kB, shmem-rss:0kB 13:36:36 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, 0x0) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(0x0, 0x6, 0x2) 13:36:36 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, 0x0) r1 = socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) dup2(r1, r3) socket$inet_udplite(0x2, 0x2, 0x88) r4 = userfaultfd(0x0) ioctl$UFFDIO_API(r4, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r4, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r5 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r5, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r5, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:36 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:36 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:36 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x271414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:36 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:37 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:37 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x281414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:37 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x0, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:37 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:37 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:37 executing program 1: sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 499.834465] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 499.867296] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 499.905871] CPU: 0 PID: 14679 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 499.914500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 499.923899] Call Trace: [ 499.926882] dump_stack+0x197/0x210 [ 499.930754] dump_header+0x15e/0xa55 [ 499.934893] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 499.940297] ? ___ratelimit+0x60/0x595 [ 499.944320] ? do_raw_spin_unlock+0x178/0x270 [ 499.949179] oom_kill_process.cold+0x10/0x6ef [ 499.949201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 499.961703] ? task_will_free_mem+0x139/0x6e0 [ 499.961721] ? find_held_lock+0x35/0x130 [ 499.961738] out_of_memory+0x362/0x1330 [ 499.961754] ? lock_downgrade+0x880/0x880 [ 499.961771] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 499.961782] ? oom_killer_disable+0x280/0x280 [ 499.961793] ? find_held_lock+0x35/0x130 [ 499.961813] mem_cgroup_out_of_memory+0x1d2/0x240 [ 499.961825] ? memcg_event_wake+0x230/0x230 [ 499.961845] ? do_raw_spin_unlock+0x178/0x270 [ 499.961864] ? _raw_spin_unlock+0x2d/0x50 [ 499.961882] try_charge+0xec5/0x1490 [ 499.972474] ? lock_downgrade+0x880/0x880 [ 499.972498] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 499.972509] ? rcu_read_unlock+0x33/0x60 [ 499.972521] ? get_mem_cgroup_from_mm+0x185/0x510 [ 499.972537] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 499.972549] ? mark_held_locks+0x100/0x100 [ 499.972575] mem_cgroup_try_charge+0x259/0x6b0 [ 499.981283] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 499.981300] __handle_mm_fault+0x1e50/0x3f80 [ 499.981316] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 499.981334] ? retint_kernel+0x2d/0x2d [ 499.981364] ? count_memcg_event_mm+0x2b1/0x4d0 [ 499.991632] handle_mm_fault+0x1b5/0x690 [ 499.991654] __get_user_pages+0x609/0x17a0 [ 499.991675] ? follow_page_mask+0x19d0/0x19d0 [ 499.991695] ? vmacache_update+0x16/0x140 [ 499.991709] ? __sanitizer_cov_trace_pc+0x44/0x50 [ 499.991725] populate_vma_page_range+0x20d/0x2a0 [ 499.991744] __mm_populate+0x204/0x380 [ 500.001474] ? populate_vma_page_range+0x2a0/0x2a0 [ 500.001497] __x64_sys_mremap+0x8de/0xaa0 [ 500.001515] ? mremap_to+0x6e0/0x6e0 [ 500.001535] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 500.001548] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 500.001564] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 500.001575] ? do_syscall_64+0x26/0x620 [ 500.001590] ? lockdep_hardirqs_on+0x415/0x5d0 [ 500.001608] ? trace_hardirqs_on+0x67/0x220 [ 500.010921] do_syscall_64+0xfd/0x620 [ 500.010938] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 500.010950] RIP: 0033:0x45a639 [ 500.010965] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 500.010972] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 500.010985] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 500.010996] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 500.019920] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 500.031698] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 500.031706] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 500.247209] Task in /syz2 killed as a result of limit of /syz2 [ 500.254298] memory: usage 307200kB, limit 307200kB, failcnt 1870 [ 500.261106] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 500.268886] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 500.275671] Memory cgroup stats for /syz2: cache:0KB rss:300784KB rss_huge:266240KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:263064KB active_anon:7092KB inactive_file:4KB active_file:0KB unevictable:30648KB [ 500.301016] Memory cgroup out of memory: Kill process 14678 (syz-executor.2) score 1199 or sacrifice child [ 500.320125] Killed process 14686 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB [ 500.520880] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 500.552238] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 500.580150] CPU: 1 PID: 14685 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 500.588289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 500.598221] Call Trace: [ 500.601220] dump_stack+0x197/0x210 [ 500.604991] dump_header+0x15e/0xa55 [ 500.609094] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 500.614719] ? ___ratelimit+0x60/0x595 [ 500.619090] ? do_raw_spin_unlock+0x178/0x270 [ 500.624066] oom_kill_process.cold+0x10/0x6ef [ 500.628806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 500.634624] ? task_will_free_mem+0x139/0x6e0 [ 500.639304] out_of_memory+0x362/0x1330 [ 500.643487] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 500.648632] ? oom_killer_disable+0x280/0x280 [ 500.653166] ? find_held_lock+0x35/0x130 [ 500.657438] mem_cgroup_out_of_memory+0x1d2/0x240 [ 500.664427] ? memcg_event_wake+0x230/0x230 [ 500.668966] ? do_raw_spin_unlock+0x178/0x270 [ 500.673748] ? _raw_spin_unlock+0x2d/0x50 [ 500.680654] try_charge+0xc6e/0x1490 [ 500.684492] ? lock_downgrade+0x880/0x880 [ 500.689546] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 500.694632] ? rcu_read_unlock+0x33/0x60 [ 500.699103] ? get_mem_cgroup_from_mm+0x185/0x510 [ 500.704486] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 500.711282] ? futex_wait_queue_me+0x414/0x600 [ 500.716084] ? handle_futex_death.part.0+0x250/0x250 [ 500.722938] mem_cgroup_try_charge+0x259/0x6b0 [ 500.727915] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 500.733164] wp_page_copy+0x430/0x16a0 [ 500.737220] ? pmd_pfn+0x1d0/0x1d0 [ 500.740882] ? do_raw_spin_unlock+0x178/0x270 [ 500.745414] do_wp_page+0x57d/0x10b0 [ 500.749250] ? finish_mkwrite_fault+0x4f0/0x4f0 [ 500.754521] ? kasan_check_write+0x14/0x20 [ 500.759312] ? do_raw_spin_lock+0xc8/0x240 [ 500.764424] __handle_mm_fault+0x2305/0x3f80 [ 500.769430] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 500.774838] ? count_memcg_event_mm+0x2b1/0x4d0 [ 500.779640] handle_mm_fault+0x1b5/0x690 [ 500.783827] __do_page_fault+0x62a/0xe90 [ 500.788025] ? vmalloc_fault+0x740/0x740 [ 500.792302] ? trace_hardirqs_off_caller+0x65/0x220 [ 500.797534] ? trace_hardirqs_on_caller+0x6a/0x220 [ 500.802603] ? page_fault+0x8/0x30 [ 500.806354] do_page_fault+0x71/0x57d [ 500.810371] ? page_fault+0x8/0x30 [ 500.814033] page_fault+0x1e/0x30 [ 500.817682] RIP: 0033:0x4041d9 [ 500.822107] Code: 66 00 39 45 24 0f 84 a6 01 00 00 80 3d a8 e4 66 00 00 74 0e 48 8b 85 90 00 00 00 48 c7 00 00 00 00 00 e8 0a 0c 01 00 49 89 c4 00 00 00 00 00 49 8b 46 10 48 85 c0 0f 84 3c 01 00 00 48 83 ec [ 500.843603] RSP: 002b:00007f7b097aac90 EFLAGS: 00010207 [ 500.850073] RAX: 00007f7b097ab6d4 RBX: 0000000000000003 RCX: 0000000000000003 [ 500.857697] RDX: 000000000002b4e2 RSI: 0000000000000000 RDI: 00000000004bf0ce [ 500.865382] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 500.872983] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f7b097ab6d4 [ 500.880779] R13: 00000000004c368b R14: 00000000004d7ac8 R15: 00000000ffffffff [ 500.889598] Task in /syz2 killed as a result of limit of /syz2 [ 500.896506] memory: usage 306940kB, limit 307200kB, failcnt 1870 [ 500.903142] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 500.910433] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 500.917571] Memory cgroup stats for /syz2: cache:0KB rss:300416KB rss_huge:264192KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:256848KB active_anon:7088KB inactive_file:0KB active_file:0KB unevictable:36648KB [ 500.939518] Memory cgroup out of memory: Kill process 14678 (syz-executor.2) score 1202 or sacrifice child [ 500.950100] Killed process 14678 (syz-executor.2) total-vm:72716kB, anon-rss:18012kB, file-rss:54352kB, shmem-rss:0kB [ 500.962806] oom_reaper: reaped process 14678 (syz-executor.2), now anon-rss:18004kB, file-rss:54344kB, shmem-rss:0kB 13:36:38 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, 0x0) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(0x0, 0x6, 0x2) 13:36:38 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x291414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:38 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:38 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x0, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:38 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:38 executing program 1: sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:38 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x0, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:38 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x2c010000, @ipv4={[], [], @local}}, 0x1c) 13:36:38 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:38 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:39 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:39 executing program 1: sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 501.821031] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 501.845338] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 501.854277] CPU: 0 PID: 14728 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 501.863444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 501.863452] Call Trace: [ 501.863484] dump_stack+0x197/0x210 [ 501.863504] dump_header+0x15e/0xa55 [ 501.863525] oom_kill_process.cold+0x10/0x6ef [ 501.863542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 501.863554] ? task_will_free_mem+0x139/0x6e0 [ 501.863568] ? trace_hardirqs_on_caller+0x6a/0x220 [ 501.863583] out_of_memory+0x362/0x1330 [ 501.863601] ? retint_kernel+0x2d/0x2d [ 501.863614] ? oom_killer_disable+0x280/0x280 [ 501.863639] mem_cgroup_out_of_memory+0x1d2/0x240 [ 501.863653] ? memcg_event_wake+0x230/0x230 [ 501.863674] ? do_raw_spin_unlock+0x178/0x270 [ 501.863690] ? _raw_spin_unlock+0x2d/0x50 [ 501.863708] try_charge+0xec5/0x1490 [ 501.863724] ? lock_downgrade+0x880/0x880 [ 501.863746] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 501.863759] ? rcu_read_unlock+0x33/0x60 [ 501.863777] ? get_mem_cgroup_from_mm+0x185/0x510 [ 501.863793] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 501.863812] ? retint_kernel+0x2d/0x2d [ 501.977232] mem_cgroup_try_charge+0x259/0x6b0 [ 501.982200] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 501.982218] __handle_mm_fault+0x1e50/0x3f80 [ 501.982234] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 501.982253] ? retint_kernel+0x2d/0x2d [ 501.982278] ? __sanitizer_cov_trace_pc+0x3b/0x50 [ 501.982297] ? count_memcg_event_mm+0x2b1/0x4d0 [ 501.982313] handle_mm_fault+0x1b5/0x690 [ 501.982324] ? __get_user_pages+0x5bd/0x17a0 [ 501.982347] __get_user_pages+0x609/0x17a0 [ 501.992632] ? follow_page_mask+0x19d0/0x19d0 [ 501.992651] ? retint_kernel+0x2d/0x2d [ 501.992675] populate_vma_page_range+0x20d/0x2a0 [ 501.992692] __mm_populate+0x204/0x380 [ 501.992711] ? populate_vma_page_range+0x2a0/0x2a0 [ 501.992727] ? call_rwsem_wake+0x1b/0x30 [ 501.992747] __x64_sys_mremap+0x8de/0xaa0 [ 501.992767] ? mremap_to+0x6e0/0x6e0 [ 502.020747] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 502.020760] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 502.020778] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 502.020790] ? do_syscall_64+0x26/0x620 [ 502.020807] ? lockdep_hardirqs_on+0x415/0x5d0 [ 502.020822] ? trace_hardirqs_on+0x67/0x220 [ 502.020839] do_syscall_64+0xfd/0x620 [ 502.020857] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 502.020869] RIP: 0033:0x45a639 [ 502.020884] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 502.020891] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 502.020905] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 502.020912] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 502.020924] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 502.034512] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 502.034522] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 502.187482] Task in /syz2 killed as a result of limit of /syz2 [ 502.197228] memory: usage 307200kB, limit 307200kB, failcnt 1899 [ 502.211447] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 502.219358] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 502.227152] Memory cgroup stats for /syz2: cache:0KB rss:300600KB rss_huge:264192KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:263064KB active_anon:7096KB inactive_file:0KB active_file:0KB unevictable:30644KB [ 502.290687] Memory cgroup out of memory: Kill process 14725 (syz-executor.2) score 1206 or sacrifice child [ 502.460967] Killed process 14738 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB [ 502.505532] oom_reaper: reaped process 14738 (syz-executor.2), now anon-rss:0kB, file-rss:34688kB, shmem-rss:0kB 13:36:40 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:40 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, 0x0) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x0, 0x2) 13:36:40 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x3f000000, @ipv4={[], [], @local}}, 0x1c) 13:36:40 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:40 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:40 executing program 1: prlimit64(0x0, 0x0, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:40 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x40000000, @ipv4={[], [], @local}}, 0x1c) 13:36:40 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:40 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:40 executing program 1: prlimit64(0x0, 0x0, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:40 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x60000000, @ipv4={[], [], @local}}, 0x1c) 13:36:40 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:41 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) [ 503.667771] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 503.699416] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 503.718101] CPU: 0 PID: 14800 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 503.725971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 503.735347] Call Trace: [ 503.737969] dump_stack+0x197/0x210 [ 503.741633] dump_header+0x15e/0xa55 [ 503.745378] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 503.750515] ? ___ratelimit+0x60/0x595 [ 503.754427] ? do_raw_spin_unlock+0x178/0x270 [ 503.758950] oom_kill_process.cold+0x10/0x6ef [ 503.763958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 503.769522] ? task_will_free_mem+0x139/0x6e0 [ 503.774042] ? find_held_lock+0x35/0x130 [ 503.778230] out_of_memory+0x362/0x1330 [ 503.782233] ? lock_downgrade+0x880/0x880 [ 503.786412] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 503.791528] ? oom_killer_disable+0x280/0x280 [ 503.791544] ? find_held_lock+0x35/0x130 [ 503.791565] mem_cgroup_out_of_memory+0x1d2/0x240 [ 503.791578] ? memcg_event_wake+0x230/0x230 [ 503.791598] ? do_raw_spin_unlock+0x178/0x270 [ 503.791615] ? _raw_spin_unlock+0x2d/0x50 [ 503.791632] try_charge+0xec5/0x1490 [ 503.791645] ? lock_downgrade+0x880/0x880 [ 503.791666] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 503.791677] ? rcu_read_unlock+0x33/0x60 [ 503.791689] ? get_mem_cgroup_from_mm+0x185/0x510 [ 503.791702] ? trace_hardirqs_on_caller+0x6a/0x220 [ 503.791717] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 503.791733] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 503.791755] mem_cgroup_try_charge+0x259/0x6b0 [ 503.800330] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 503.826198] __handle_mm_fault+0x1e50/0x3f80 [ 503.844909] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 503.844947] ? count_memcg_event_mm+0x2b1/0x4d0 [ 503.844962] handle_mm_fault+0x1b5/0x690 [ 503.844978] __get_user_pages+0x609/0x17a0 [ 503.844999] ? follow_page_mask+0x19d0/0x19d0 [ 503.892501] ? retint_kernel+0x2d/0x2d [ 503.896427] ? populate_vma_page_range+0xcf/0x2a0 [ 503.901308] populate_vma_page_range+0x20d/0x2a0 [ 503.906100] __mm_populate+0x204/0x380 [ 503.910117] ? populate_vma_page_range+0x2a0/0x2a0 [ 503.915050] __x64_sys_mremap+0x8de/0xaa0 [ 503.919203] ? mremap_to+0x6e0/0x6e0 [ 503.922913] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 503.927834] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 503.932599] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 503.937966] ? do_syscall_64+0x26/0x620 [ 503.942160] ? lockdep_hardirqs_on+0x415/0x5d0 [ 503.946743] ? trace_hardirqs_on+0x67/0x220 [ 503.951190] do_syscall_64+0xfd/0x620 [ 503.954991] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 503.960173] RIP: 0033:0x45a639 [ 503.963474] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 503.982390] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 503.990216] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 503.997666] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 504.005085] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 504.012552] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 504.020449] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 504.029803] Task in /syz2 killed as a result of limit of /syz2 [ 504.039634] memory: usage 307200kB, limit 307200kB, failcnt 1934 [ 504.046145] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 504.053290] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 504.059611] Memory cgroup stats for /syz2: cache:0KB rss:300700KB rss_huge:264192KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:263064KB active_anon:7096KB inactive_file:0KB active_file:0KB unevictable:30620KB [ 504.082400] Memory cgroup out of memory: Kill process 14799 (syz-executor.2) score 1206 or sacrifice child [ 504.095509] Killed process 14808 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB [ 504.109611] oom_reaper: reaped process 14808 (syz-executor.2), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB 13:36:41 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, 0x0) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x0, 0x2) 13:36:41 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:41 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:41 executing program 5: sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:41 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x61000000, @ipv4={[], [], @local}}, 0x1c) 13:36:41 executing program 1: prlimit64(0x0, 0x0, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:41 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:42 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x78000000, @ipv4={[], [], @local}}, 0x1c) 13:36:42 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:42 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x7c010000, @ipv4={[], [], @local}}, 0x1c) 13:36:42 executing program 5: sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:42 executing program 1: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 505.049086] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 505.172206] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 505.210581] CPU: 0 PID: 14849 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 505.218450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 505.227825] Call Trace: [ 505.230438] dump_stack+0x197/0x210 [ 505.234087] dump_header+0x15e/0xa55 [ 505.237821] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 505.242946] ? ___ratelimit+0x60/0x595 [ 505.246880] ? do_raw_spin_unlock+0x178/0x270 [ 505.251483] oom_kill_process.cold+0x10/0x6ef [ 505.256001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 505.261875] ? task_will_free_mem+0x139/0x6e0 [ 505.266402] ? trace_hardirqs_on_caller+0x6a/0x220 [ 505.271363] out_of_memory+0x362/0x1330 [ 505.275376] ? retint_kernel+0x2d/0x2d [ 505.279295] ? oom_killer_disable+0x280/0x280 [ 505.283821] mem_cgroup_out_of_memory+0x1d2/0x240 [ 505.288678] ? memcg_event_wake+0x230/0x230 [ 505.293086] ? do_raw_spin_unlock+0x178/0x270 [ 505.297604] ? _raw_spin_unlock+0x2d/0x50 [ 505.301779] try_charge+0xec5/0x1490 [ 505.305513] ? lock_downgrade+0x880/0x880 [ 505.309690] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 505.314554] ? rcu_read_unlock+0x33/0x60 [ 505.318639] ? get_mem_cgroup_from_mm+0x185/0x510 [ 505.323497] ? trace_hardirqs_on_caller+0x6a/0x220 [ 505.328493] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 505.334582] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 505.339381] mem_cgroup_try_charge+0x259/0x6b0 [ 505.344000] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 505.348957] __handle_mm_fault+0x1e50/0x3f80 [ 505.353402] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 505.358286] ? count_memcg_event_mm+0x2b1/0x4d0 [ 505.362978] handle_mm_fault+0x1b5/0x690 [ 505.367068] __get_user_pages+0x609/0x17a0 [ 505.371332] ? follow_page_mask+0x19d0/0x19d0 [ 505.375849] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 505.380634] ? retint_kernel+0x2d/0x2d [ 505.384566] populate_vma_page_range+0x20d/0x2a0 [ 505.389355] __mm_populate+0x204/0x380 [ 505.393273] ? populate_vma_page_range+0x2a0/0x2a0 [ 505.398230] ? call_rwsem_wake+0x1b/0x30 [ 505.402329] __x64_sys_mremap+0x8de/0xaa0 [ 505.406497] ? retint_kernel+0x2d/0x2d [ 505.410405] ? trace_hardirqs_on_caller+0x6a/0x220 [ 505.415358] ? mremap_to+0x6e0/0x6e0 [ 505.419101] ? retint_kernel+0x2d/0x2d [ 505.423188] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 505.427972] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 505.432784] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 505.438175] ? do_syscall_64+0x26/0x620 [ 505.442444] ? lockdep_hardirqs_on+0x415/0x5d0 [ 505.447055] ? trace_hardirqs_on+0x67/0x220 [ 505.451409] do_syscall_64+0xfd/0x620 [ 505.455243] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 505.460449] RIP: 0033:0x45a639 [ 505.463662] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 505.482713] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 505.490459] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 505.497786] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 505.505084] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 505.512380] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 505.519676] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 505.658542] Task in /syz2 killed as a result of limit of /syz2 [ 505.669811] memory: usage 307200kB, limit 307200kB, failcnt 1965 [ 505.677485] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 505.688700] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 505.695407] Memory cgroup stats for /syz2: cache:0KB rss:300648KB rss_huge:266240KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:263076KB active_anon:7104KB inactive_file:0KB active_file:0KB unevictable:30556KB [ 505.723893] Memory cgroup out of memory: Kill process 14848 (syz-executor.2) score 1199 or sacrifice child [ 505.736671] Killed process 14888 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB 13:36:43 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, 0x0) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x0, 0x2) 13:36:43 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:43 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:43 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x8c010000, @ipv4={[], [], @local}}, 0x1c) 13:36:43 executing program 5: sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:43 executing program 1: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:43 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xaa1414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:43 executing program 5: prlimit64(0x0, 0x0, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:43 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:43 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:43 executing program 1: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:44 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac14140a, @ipv4={[], [], @local}}, 0x1c) [ 507.308483] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 507.330831] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 507.336680] CPU: 0 PID: 14925 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 507.344834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 507.354206] Call Trace: [ 507.356862] dump_stack+0x197/0x210 [ 507.360694] dump_header+0x15e/0xa55 [ 507.364444] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 507.369683] ? ___ratelimit+0x60/0x595 [ 507.373606] ? do_raw_spin_unlock+0x178/0x270 [ 507.378155] oom_kill_process.cold+0x10/0x6ef [ 507.382685] out_of_memory+0x362/0x1330 [ 507.386690] ? lock_downgrade+0x880/0x880 [ 507.390868] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 507.395994] ? oom_killer_disable+0x280/0x280 [ 507.400507] ? find_held_lock+0x35/0x130 [ 507.404686] mem_cgroup_out_of_memory+0x1d2/0x240 [ 507.409559] ? memcg_event_wake+0x230/0x230 [ 507.413909] ? do_raw_spin_unlock+0x178/0x270 [ 507.418429] ? _raw_spin_unlock+0x2d/0x50 [ 507.422704] try_charge+0xec5/0x1490 [ 507.426442] ? lock_downgrade+0x880/0x880 [ 507.430622] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 507.435484] ? rcu_read_unlock+0x33/0x60 [ 507.439569] ? get_mem_cgroup_from_mm+0x185/0x510 [ 507.444438] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 507.450531] mem_cgroup_try_charge+0x259/0x6b0 [ 507.455148] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 507.460105] __handle_mm_fault+0x1e50/0x3f80 [ 507.464542] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 507.469528] ? count_memcg_event_mm+0x2b1/0x4d0 [ 507.474222] handle_mm_fault+0x1b5/0x690 [ 507.478304] __get_user_pages+0x609/0x17a0 [ 507.482565] ? follow_page_mask+0x19d0/0x19d0 [ 507.487696] ? memset+0x32/0x40 [ 507.491003] populate_vma_page_range+0x20d/0x2a0 [ 507.495872] __mm_populate+0x204/0x380 [ 507.499784] ? populate_vma_page_range+0x2a0/0x2a0 [ 507.504736] ? call_rwsem_wake+0x1b/0x30 [ 507.508872] __x64_sys_mremap+0x8de/0xaa0 [ 507.513037] ? retint_kernel+0x2d/0x2d [ 507.516954] ? trace_hardirqs_on_caller+0x6a/0x220 [ 507.521911] ? mremap_to+0x6e0/0x6e0 [ 507.525649] ? retint_kernel+0x2d/0x2d [ 507.529578] do_syscall_64+0xfd/0x620 [ 507.533497] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 507.539136] RIP: 0033:0x45a639 [ 507.542349] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 507.561389] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 507.569132] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 507.576443] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 507.583928] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 507.591231] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 507.598735] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 507.610539] Task in /syz2 killed as a result of limit of /syz2 [ 507.617248] memory: usage 307200kB, limit 307200kB, failcnt 1995 [ 507.624192] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 507.631318] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 507.637870] Memory cgroup stats for /syz2: cache:0KB rss:300620KB rss_huge:264192KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:263064KB active_anon:7096KB inactive_file:0KB active_file:0KB unevictable:30540KB [ 507.664414] Memory cgroup out of memory: Kill process 14924 (syz-executor.2) score 1205 or sacrifice child [ 507.675902] Killed process 14976 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB [ 507.692013] oom_reaper: reaped process 14976 (syz-executor.2), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB 13:36:45 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, 0x0) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x0, 0x0) 13:36:45 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:45 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:45 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:45 executing program 5: prlimit64(0x0, 0x0, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:45 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac14140b, @ipv4={[], [], @local}}, 0x1c) 13:36:45 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac14140c, @ipv4={[], [], @local}}, 0x1c) 13:36:45 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac14140d, @ipv4={[], [], @local}}, 0x1c) 13:36:45 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:45 executing program 5: prlimit64(0x0, 0x0, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:46 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:46 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) [ 509.155549] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 509.181521] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 509.187168] CPU: 0 PID: 15001 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 509.194990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 509.204379] Call Trace: [ 509.207005] dump_stack+0x197/0x210 [ 509.210821] dump_header+0x15e/0xa55 [ 509.214658] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 509.219793] ? ___ratelimit+0x60/0x595 [ 509.223702] ? do_raw_spin_unlock+0x178/0x270 [ 509.228227] oom_kill_process.cold+0x10/0x6ef [ 509.232756] out_of_memory+0x362/0x1330 [ 509.236755] ? lock_downgrade+0x880/0x880 [ 509.240934] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 509.246087] ? oom_killer_disable+0x280/0x280 [ 509.250615] ? find_held_lock+0x35/0x130 [ 509.254704] mem_cgroup_out_of_memory+0x1d2/0x240 [ 509.259595] ? memcg_event_wake+0x230/0x230 [ 509.264094] ? do_raw_spin_unlock+0x178/0x270 [ 509.268618] ? _raw_spin_unlock+0x2d/0x50 [ 509.272795] try_charge+0xec5/0x1490 [ 509.276528] ? lock_downgrade+0x880/0x880 [ 509.280706] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 509.285577] ? rcu_read_unlock+0x33/0x60 [ 509.289839] ? get_mem_cgroup_from_mm+0x185/0x510 [ 509.294708] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 509.300809] mem_cgroup_try_charge+0x259/0x6b0 [ 509.305421] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 509.310375] __handle_mm_fault+0x1e50/0x3f80 [ 509.314986] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 509.319871] ? count_memcg_event_mm+0x2b1/0x4d0 [ 509.324698] handle_mm_fault+0x1b5/0x690 [ 509.328788] __get_user_pages+0x609/0x17a0 [ 509.333062] ? follow_page_mask+0x19d0/0x19d0 [ 509.337598] ? retint_kernel+0x2d/0x2d [ 509.341633] populate_vma_page_range+0x20d/0x2a0 [ 509.346653] __mm_populate+0x204/0x380 [ 509.350611] ? populate_vma_page_range+0x2a0/0x2a0 [ 509.355617] ? call_rwsem_wake+0x1b/0x30 [ 509.359683] __x64_sys_mremap+0x8de/0xaa0 [ 509.363921] ? lockdep_hardirqs_on+0x415/0x5d0 [ 509.368497] ? retint_kernel+0x2d/0x2d [ 509.372538] ? mremap_to+0x6e0/0x6e0 [ 509.376268] ? retint_kernel+0x2d/0x2d [ 509.380179] do_syscall_64+0xfd/0x620 [ 509.384032] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 509.389331] RIP: 0033:0x45a639 [ 509.392624] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 509.411614] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 509.419335] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 509.426602] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 509.433965] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 509.441321] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 509.448678] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 509.458541] Task in /syz2 killed as a result of limit of /syz2 [ 509.467187] memory: usage 307200kB, limit 307200kB, failcnt 2048 [ 509.475374] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 509.482738] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 509.489049] Memory cgroup stats for /syz2: cache:0KB rss:300604KB rss_huge:264192KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:263064KB active_anon:7096KB inactive_file:0KB active_file:0KB unevictable:30528KB [ 509.516151] Memory cgroup out of memory: Kill process 15000 (syz-executor.2) score 1202 or sacrifice child [ 509.528397] Killed process 15035 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB [ 509.543751] oom_reaper: reaped process 15035 (syz-executor.2), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB 13:36:47 executing program 5: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:47 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac14140e, @ipv4={[], [], @local}}, 0x1c) 13:36:47 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:47 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:47 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:47 executing program 2: 13:36:47 executing program 2: 13:36:47 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac14140f, @ipv4={[], [], @local}}, 0x1c) 13:36:47 executing program 2: 13:36:47 executing program 5: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:47 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:47 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:47 executing program 0: sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:47 executing program 2: getpid() r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_SET_GSI_ROUTING(r1, 0x4008ae6a, &(0x7f00000005c0)=ANY=[@ANYBLOB="0100000000000000000000000400000000000000"]) 13:36:47 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141410, @ipv4={[], [], @local}}, 0x1c) 13:36:48 executing program 2: r0 = syz_open_dev$mice(&(0x7f00000000c0)='/dev/input/mice\x00', 0x0, 0x0) read(r0, 0x0, 0x0) 13:36:48 executing program 5: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:48 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:48 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141411, @ipv4={[], [], @local}}, 0x1c) 13:36:48 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:48 executing program 0: sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:48 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141412, @ipv4={[], [], @local}}, 0x1c) 13:36:48 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:48 executing program 2: r0 = socket$inet6(0xa, 0x2, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x0, 0x0, 0x0) r1 = socket$inet6(0xa, 0x80003, 0x6b) ioctl(r1, 0x21000008912, &(0x7f0000000000)="0815b5055e0bcfe87b3071") connect$inet6(r0, &(0x7f0000000180)={0xa, 0x0, 0x0, @ipv4={[], [], @dev}}, 0x1c) 13:36:48 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:48 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141413, @ipv4={[], [], @local}}, 0x1c) 13:36:48 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, 0x0) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x0, 0x0) 13:36:48 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:48 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:48 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141414, @ipv4={[], [], @local}}, 0x1c) 13:36:48 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:48 executing program 0: sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:49 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141415, @ipv4={[], [], @local}}, 0x1c) 13:36:49 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:49 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:49 executing program 0: prlimit64(0x0, 0x0, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:49 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:49 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141416, @ipv4={[], [], @local}}, 0x1c) [ 512.155567] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 512.196863] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 512.225334] CPU: 1 PID: 15146 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 512.233364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 512.242823] Call Trace: [ 512.245478] dump_stack+0x197/0x210 [ 512.249313] dump_header+0x15e/0xa55 [ 512.253157] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 512.258296] ? ___ratelimit+0x60/0x595 [ 512.262227] ? do_raw_spin_unlock+0x178/0x270 [ 512.266986] oom_kill_process.cold+0x10/0x6ef [ 512.271523] ? out_of_memory+0x14a/0x1330 [ 512.275971] out_of_memory+0x362/0x1330 [ 512.280153] ? retint_kernel+0x2d/0x2d [ 512.284178] ? oom_killer_disable+0x280/0x280 [ 512.288812] mem_cgroup_out_of_memory+0x1d2/0x240 [ 512.293868] ? memcg_event_wake+0x230/0x230 [ 512.298230] ? do_raw_spin_unlock+0x178/0x270 [ 512.302761] ? _raw_spin_unlock+0x2d/0x50 [ 512.306947] try_charge+0xec5/0x1490 [ 512.310822] ? lock_downgrade+0x880/0x880 [ 512.315470] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 512.320370] ? rcu_read_unlock+0x33/0x60 [ 512.324628] ? get_mem_cgroup_from_mm+0x185/0x510 [ 512.329502] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 512.335588] ? retint_kernel+0x2d/0x2d [ 512.339516] mem_cgroup_try_charge+0x259/0x6b0 [ 512.344227] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 512.353859] __handle_mm_fault+0x1e50/0x3f80 [ 512.361359] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 512.366543] ? count_memcg_event_mm+0x2b1/0x4d0 [ 512.371382] handle_mm_fault+0x1b5/0x690 [ 512.375490] __get_user_pages+0x609/0x17a0 [ 512.380551] ? follow_page_mask+0x19d0/0x19d0 [ 512.385179] ? retint_kernel+0x2d/0x2d [ 512.389114] ? memset+0x32/0x40 [ 512.392437] populate_vma_page_range+0x20d/0x2a0 [ 512.397240] __mm_populate+0x204/0x380 [ 512.401156] ? populate_vma_page_range+0x2a0/0x2a0 [ 512.406146] __x64_sys_mremap+0x8de/0xaa0 [ 512.406175] ? mremap_to+0x6e0/0x6e0 [ 512.406198] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 512.414141] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 512.414166] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 512.414181] ? do_syscall_64+0x26/0x620 [ 512.414197] ? lockdep_hardirqs_on+0x415/0x5d0 [ 512.414216] ? trace_hardirqs_on+0x67/0x220 [ 512.443023] do_syscall_64+0xfd/0x620 [ 512.448091] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 512.453373] RIP: 0033:0x45a639 [ 512.456571] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 512.476112] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 512.483830] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 512.491228] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 512.499223] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 512.507383] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 512.515184] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 512.553255] Task in /syz2 killed as a result of limit of /syz2 [ 512.572762] memory: usage 307200kB, limit 307200kB, failcnt 2068 [ 512.591672] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 512.609914] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 512.617376] Memory cgroup stats for /syz2: cache:0KB rss:300380KB rss_huge:264192KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:263064KB active_anon:7096KB inactive_file:0KB active_file:0KB unevictable:30316KB [ 512.645833] Memory cgroup out of memory: Kill process 15144 (syz-executor.2) score 1205 or sacrifice child [ 512.706402] Killed process 15164 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB 13:36:50 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:50 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:50 executing program 0: prlimit64(0x0, 0x0, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:50 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141417, @ipv4={[], [], @local}}, 0x1c) 13:36:50 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:50 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:50 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141418, @ipv4={[], [], @local}}, 0x1c) 13:36:51 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:51 executing program 2: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, 0x0) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(0x0, 0x6, 0x2) 13:36:51 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:51 executing program 0: prlimit64(0x0, 0x0, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:51 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:51 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141419, @ipv4={[], [], @local}}, 0x1c) 13:36:51 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:51 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:51 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac14141a, @ipv4={[], [], @local}}, 0x1c) 13:36:51 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:51 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x0, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:51 executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:52 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 515.009877] syz-executor.2 invoked oom-killer: gfp_mask=0x6000c0(GFP_KERNEL), nodemask=(null), order=0, oom_score_adj=1000 [ 515.022379] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 515.028007] CPU: 0 PID: 15248 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 515.036324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 515.045865] Call Trace: [ 515.048474] dump_stack+0x197/0x210 [ 515.052244] dump_header+0x15e/0xa55 [ 515.056576] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 515.062060] ? ___ratelimit+0x60/0x595 [ 515.065978] ? do_raw_spin_unlock+0x178/0x270 [ 515.070972] oom_kill_process.cold+0x10/0x6ef [ 515.075595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 515.081981] ? task_will_free_mem+0x139/0x6e0 [ 515.086498] out_of_memory+0x362/0x1330 [ 515.090598] ? lock_downgrade+0x880/0x880 [ 515.094799] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 515.099898] ? oom_killer_disable+0x280/0x280 [ 515.104413] ? find_held_lock+0x35/0x130 [ 515.108502] mem_cgroup_out_of_memory+0x1d2/0x240 [ 515.113350] ? memcg_event_wake+0x230/0x230 [ 515.117664] ? do_raw_spin_unlock+0x178/0x270 [ 515.122162] ? _raw_spin_unlock+0x2d/0x50 [ 515.126318] try_charge+0xec5/0x1490 [ 515.130032] ? lock_downgrade+0x880/0x880 [ 515.135224] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 515.140067] ? rcu_read_unlock+0x33/0x60 [ 515.144311] ? get_mem_cgroup_from_mm+0x185/0x510 [ 515.149719] ? __mem_cgroup_largest_soft_limit_node+0x500/0x500 [ 515.155821] ? retint_kernel+0x2d/0x2d [ 515.159729] mem_cgroup_try_charge+0x259/0x6b0 [ 515.165102] mem_cgroup_try_charge_delay+0x1f/0xa0 [ 515.170058] __handle_mm_fault+0x1e50/0x3f80 [ 515.174575] ? vmf_insert_mixed_mkwrite+0x90/0x90 [ 515.179521] ? count_memcg_event_mm+0x2b1/0x4d0 [ 515.184208] handle_mm_fault+0x1b5/0x690 [ 515.188278] __get_user_pages+0x609/0x17a0 [ 515.192525] ? follow_page_mask+0x19d0/0x19d0 [ 515.197026] ? memset+0x32/0x40 [ 515.200301] populate_vma_page_range+0x20d/0x2a0 [ 515.205157] __mm_populate+0x204/0x380 [ 515.209848] ? populate_vma_page_range+0x2a0/0x2a0 [ 515.214779] __x64_sys_mremap+0x8de/0xaa0 [ 515.218923] ? mremap_to+0x6e0/0x6e0 [ 515.222766] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 515.227593] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 515.232589] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 515.238392] ? do_syscall_64+0x26/0x620 [ 515.242401] ? lockdep_hardirqs_on+0x415/0x5d0 [ 515.247085] ? trace_hardirqs_on+0x67/0x220 [ 515.251408] do_syscall_64+0xfd/0x620 [ 515.255344] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 515.260534] RIP: 0033:0x45a639 [ 515.263743] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 515.282923] RSP: 002b:00007f7b097cbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 515.290750] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a639 [ 515.298126] RDX: 0000000000800000 RSI: 0000000000000002 RDI: 0000000020a94000 [ 515.305404] RBP: 000000000075bf20 R08: 0000000020130000 R09: 0000000000000000 [ 515.312923] R10: 0000000000000003 R11: 0000000000000246 R12: 00007f7b097cc6d4 [ 515.320459] R13: 00000000004c7250 R14: 00000000004dcda8 R15: 00000000ffffffff [ 515.329956] Task in /syz2 killed as a result of limit of /syz2 [ 515.337952] memory: usage 307200kB, limit 307200kB, failcnt 2093 [ 515.344479] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 515.351721] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 515.358040] Memory cgroup stats for /syz2: cache:0KB rss:300196KB rss_huge:264192KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:263064KB active_anon:7096KB inactive_file:0KB active_file:0KB unevictable:30284KB [ 515.381773] Memory cgroup out of memory: Kill process 15246 (syz-executor.2) score 1204 or sacrifice child [ 515.392686] Killed process 15280 (syz-executor.2) total-vm:72720kB, anon-rss:18228kB, file-rss:34816kB, shmem-rss:0kB [ 515.405345] oom_reaper: reaped process 15280 (syz-executor.2), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB [ 515.518539] syz-executor.2 invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=1000 [ 515.532758] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 515.538707] CPU: 0 PID: 15246 Comm: syz-executor.2 Not tainted 4.19.85-syzkaller #0 [ 515.546559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 515.556046] Call Trace: [ 515.558645] dump_stack+0x197/0x210 [ 515.562335] dump_header+0x15e/0xa55 [ 515.566232] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 515.571348] ? ___ratelimit+0x60/0x595 [ 515.575248] ? do_raw_spin_unlock+0x178/0x270 [ 515.579936] oom_kill_process.cold+0x10/0x6ef [ 515.584453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 515.590021] ? task_will_free_mem+0x139/0x6e0 [ 515.594544] out_of_memory+0x362/0x1330 [ 515.598531] ? lock_downgrade+0x880/0x880 [ 515.602850] ? mem_cgroup_unmark_under_oom+0x8d/0xb0 [ 515.608369] ? oom_killer_disable+0x280/0x280 [ 515.612879] ? find_held_lock+0x35/0x130 [ 515.616971] mem_cgroup_out_of_memory+0x1d2/0x240 [ 515.621986] ? memcg_event_wake+0x230/0x230 [ 515.626306] ? do_raw_spin_unlock+0x178/0x270 [ 515.630807] ? _raw_spin_unlock+0x2d/0x50 [ 515.634969] try_charge+0xec5/0x1490 [ 515.638691] ? mem_cgroup_oom_trylock+0x1a0/0x1a0 [ 515.643675] ? lock_downgrade+0x880/0x880 [ 515.647920] ? kasan_check_read+0x11/0x20 [ 515.652272] memcg_kmem_charge_memcg+0x83/0x170 [ 515.656995] ? memcg_kmem_put_cache+0xb0/0xb0 [ 515.661667] ? __isolate_free_page+0x4c0/0x4c0 [ 515.666557] memcg_kmem_charge+0x136/0x370 [ 515.670999] __alloc_pages_nodemask+0x3c3/0x750 [ 515.675707] ? __alloc_pages_slowpath+0x2870/0x2870 [ 515.682270] ? lockdep_hardirqs_on+0x415/0x5d0 [ 515.686911] ? trace_hardirqs_on+0x67/0x220 [ 515.691260] copy_process.part.0+0x3e0/0x7a30 [ 515.695773] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 515.701046] ? delayacct_end+0x5c/0x100 [ 515.705018] ? __delayacct_freepages_end+0xe0/0x140 [ 515.710031] ? __lock_acquire+0x6ee/0x49c0 [ 515.714299] ? __cleanup_sighand+0x70/0x70 [ 515.718578] ? mark_held_locks+0x100/0x100 [ 515.722923] _do_fork+0x257/0xfd0 [ 515.726444] ? fork_idle+0x1d0/0x1d0 [ 515.730223] ? blkg_prfill_rwstat_field_recursive+0x100/0x100 [ 515.736118] ? kasan_check_read+0x11/0x20 [ 515.740263] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 515.745009] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 515.749758] ? do_syscall_64+0x26/0x620 [ 515.753753] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 515.759126] ? do_syscall_64+0x26/0x620 [ 515.763126] __x64_sys_clone+0xbf/0x150 [ 515.767126] do_syscall_64+0xfd/0x620 [ 515.771063] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 515.776263] RIP: 0033:0x45d009 [ 515.779968] Code: ff 48 85 f6 0f 84 d7 8c fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8c fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 515.799488] RSP: 002b:00007ffc3dd3deb8 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 515.807201] RAX: ffffffffffffffda RBX: 00007f7b0978a700 RCX: 000000000045d009 [ 515.814478] RDX: 00007f7b0978a9d0 RSI: 00007f7b09789db0 RDI: 00000000003d0f00 [ 515.821853] RBP: 00007ffc3dd3e0d0 R08: 00007f7b0978a700 R09: 00007f7b0978a700 [ 515.829212] R10: 00007f7b0978a9d0 R11: 0000000000000202 R12: 0000000000000000 [ 515.836498] R13: 00007ffc3dd3df6f R14: 00007f7b0978a9c0 R15: 000000000075c07c [ 515.845274] Task in /syz2 killed as a result of limit of /syz2 [ 515.851603] memory: usage 307176kB, limit 307200kB, failcnt 2105 [ 515.857762] memory+swap: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 515.864674] kmem: usage 0kB, limit 9007199254740988kB, failcnt 0 [ 515.870937] Memory cgroup stats for /syz2: cache:0KB rss:300560KB rss_huge:262144KB shmem:0KB mapped_file:0KB dirty:0KB writeback:0KB swap:0KB inactive_anon:256848KB active_anon:7088KB inactive_file:0KB active_file:0KB unevictable:36652KB [ 515.892849] Memory cgroup out of memory: Kill process 15246 (syz-executor.2) score 1225 or sacrifice child [ 515.903847] Killed process 15246 (syz-executor.2) total-vm:72848kB, anon-rss:18080kB, file-rss:54352kB, shmem-rss:0kB [ 515.916931] oom_reaper: reaped process 15246 (syz-executor.2), now anon-rss:18208kB, file-rss:54344kB, shmem-rss:0kB 13:36:53 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:53 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac14141b, @ipv4={[], [], @local}}, 0x1c) 13:36:53 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x0, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:53 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:53 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:53 executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:53 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac14141c, @ipv4={[], [], @local}}, 0x1c) 13:36:53 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac14141d, @ipv4={[], [], @local}}, 0x1c) 13:36:53 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:53 executing program 0: prlimit64(0x0, 0xe, 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:53 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:53 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x0, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:54 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:54 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac14141e, @ipv4={[], [], @local}}, 0x1c) 13:36:54 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac14141f, @ipv4={[], [], @local}}, 0x1c) 13:36:54 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:54 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141420, @ipv4={[], [], @local}}, 0x1c) 13:36:54 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:54 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:54 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:54 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141421, @ipv4={[], [], @local}}, 0x1c) 13:36:54 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:54 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:54 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141422, @ipv4={[], [], @local}}, 0x1c) 13:36:54 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141423, @ipv4={[], [], @local}}, 0x1c) 13:36:54 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141424, @ipv4={[], [], @local}}, 0x1c) 13:36:54 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:54 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x0, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:55 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:55 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:55 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141425, @ipv4={[], [], @local}}, 0x1c) 13:36:55 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:55 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:55 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141426, @ipv4={[], [], @local}}, 0x1c) 13:36:55 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141427, @ipv4={[], [], @local}}, 0x1c) 13:36:55 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x0, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:55 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:55 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:55 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x0, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:55 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:55 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141428, @ipv4={[], [], @local}}, 0x1c) 13:36:55 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x0, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:55 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:55 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac141429, @ipv4={[], [], @local}}, 0x1c) 13:36:55 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:55 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:55 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xac1414aa, @ipv4={[], [], @local}}, 0x1c) 13:36:56 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:56 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:56 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:56 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xb0010000, @ipv4={[], [], @local}}, 0x1c) 13:36:56 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:56 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:56 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:56 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xc1414ac, @ipv4={[], [], @local}}, 0x1c) 13:36:56 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:56 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xe0ffffff, @ipv4={[], [], @local}}, 0x1c) 13:36:56 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:56 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:56 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:56 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:57 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xe8030000, @ipv4={[], [], @local}}, 0x1c) 13:36:57 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:57 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:57 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:57 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:57 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:57 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:57 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xec030000, @ipv4={[], [], @local}}, 0x1c) 13:36:57 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:58 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xf4010000, @ipv4={[], [], @local}}, 0x1c) 13:36:58 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:58 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:58 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:58 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:58 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xf5ffffff, @ipv4={[], [], @local}}, 0x1c) 13:36:58 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:58 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:58 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:58 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:59 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xf9030000, @ipv4={[], [], @local}}, 0x1c) 13:36:59 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:59 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:59 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:59 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:36:59 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x0, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:36:59 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xfa030000, @ipv4={[], [], @local}}, 0x1c) 13:37:00 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xfc000000, @ipv4={[], [], @local}}, 0x1c) 13:37:00 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:00 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r1) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:00 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:00 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:00 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x0, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:01 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:01 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xfcff0000, @ipv4={[], [], @local}}, 0x1c) 13:37:01 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:01 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r1) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:01 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x0, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:01 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:02 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xfe800000, @ipv4={[], [], @local}}, 0x1c) 13:37:02 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r1) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:02 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:02 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:02 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:02 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:02 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:02 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xfec00000, @ipv4={[], [], @local}}, 0x1c) 13:37:03 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) 13:37:03 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:03 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:03 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:03 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:03 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xfeffffff, @ipv4={[], [], @local}}, 0x1c) 13:37:03 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) 13:37:04 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:04 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:04 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:04 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xff000000, @ipv4={[], [], @local}}, 0x1c) 13:37:04 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:04 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) 13:37:05 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xffffffe0, @ipv4={[], [], @local}}, 0x1c) 13:37:05 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:05 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:05 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:05 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x0, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:05 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:05 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:06 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:06 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xfffffff5, @ipv4={[], [], @local}}, 0x1c) 13:37:06 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:06 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x0, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:06 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:06 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:06 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:07 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:07 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:07 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:08 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x0, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:08 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:08 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xfffffffe, @ipv4={[], [], @local}}, 0x1c) 13:37:08 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:08 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:09 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:09 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:09 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0xffffffff, @ipv4={[], [], @local}}, 0x1c) 13:37:09 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:09 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:09 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:10 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:10 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:10 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[], [], @local}}, 0x1c) 13:37:10 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:10 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:10 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:11 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:11 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:11 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:11 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x2], [], @local}}, 0x1c) 13:37:11 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:11 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:12 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:12 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:12 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:12 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:12 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, 0x0, &(0x7f0000002000)) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:12 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:12 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x3], [], @local}}, 0x1c) 13:37:13 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:13 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, 0x0, &(0x7f0000002000)) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:13 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:14 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:14 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:14 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x4], [], @local}}, 0x1c) 13:37:14 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:14 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:14 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, 0x0, &(0x7f0000002000)) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:15 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:15 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:15 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x5], [], @local}}, 0x1c) 13:37:15 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:16 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:16 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) userfaultfd(0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:16 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:16 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, 0x0) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:16 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:16 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x6], [], @local}}, 0x1c) 13:37:17 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) userfaultfd(0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:17 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:17 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, 0x0) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:17 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:17 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:18 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:18 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:18 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x7], [], @local}}, 0x1c) 13:37:18 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:18 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) userfaultfd(0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:19 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:19 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:19 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:19 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, 0x0) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:19 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x8], [], @local}}, 0x1c) 13:37:19 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:20 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:20 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:20 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x9], [], @local}}, 0x1c) 13:37:20 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:20 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) socket$inet6_sctp(0xa, 0x1, 0x84) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:21 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:21 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:21 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:21 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:21 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:22 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:22 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0xa], [], @local}}, 0x1c) 13:37:22 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:22 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:23 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:23 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:23 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:23 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:23 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:23 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:23 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0xe], [], @local}}, 0x1c) 13:37:24 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:24 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:24 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:24 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:24 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:24 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:25 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:25 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:25 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x10], [], @local}}, 0x1c) 13:37:25 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:26 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:26 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:26 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:26 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x60], [], @local}}, 0x1c) 13:37:26 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:27 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:27 executing program 1: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000400)='./cgroup.cpu\x00E\xab\xcbw\x83.\xf3\x8a\xf6\xb3\xac\xfe\x9ek9\xcd\"\x84\x18/~[{\xfb\xc2\t}\xaaCSM^Z\x98\x0eZ\xfca5b\xd6\x92\a\xd6*\xd8v\xd0\xb1\x00=k|\xf1P\xbf\x17\x1b\x8f\xd6LT`V\\\xaeuJ[:\xcd<\xa1L\xec\x9fU\xe9\x14_g=\xfc\x7f\xbd-\xb2\xfa\xee\xe3\a~\x90\xd4\x90\a\x83\x81\xac\x1bWE_\x05;\xefk\x1e\xed:\x90\xc1\xba\x96\xde\xfac\xf0\'&:dn`\xe8\xa6-\x1dh\xb07#T\xa6\xa3\x9c\x91_jM@\x06\x8c\xf5\xbb\x81G\xb9\xa9\x8b\xf3\x8f\xa2\xee', 0x200002, 0x0) r1 = openat$cgroup_int(r0, &(0x7f0000000000)='cpuset.sched_load_balance\x00', 0x2, 0x0) write$cgroup_int(r1, &(0x7f00000003c0), 0x7ffff) 13:37:27 executing program 1: 13:37:27 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:27 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:27 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:28 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x61], [], @local}}, 0x1c) 13:37:28 executing program 1: 13:37:28 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:28 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:28 executing program 1: 13:37:29 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:29 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:29 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x78], [], @local}}, 0x1c) 13:37:29 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:29 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:29 executing program 1: 13:37:29 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:29 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:30 executing program 1: 13:37:30 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:30 executing program 1: 13:37:30 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:30 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0xe0], [], @local}}, 0x1c) 13:37:31 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:31 executing program 1: clone(0x7fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = gettid() wait4(0x0, 0x0, 0x80000000, 0x0) io_submit(0x0, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)]) sendmsg$nl_netfilter(0xffffffffffffffff, &(0x7f00000021c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000280)=ANY=[@ANYBLOB="00d3bb0500000014660f3422"], 0xc}}, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000380)={0xffffffffffffffff, 0xffffffffffffffff}) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup2(r1, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ptrace$setopts(0x4206, r0, 0x0, 0x0) tkill(r0, 0x40020000000c) ioctl$EVIOCSFF(0xffffffffffffffff, 0x40304580, &(0x7f0000000080)={0x0, 0x0, 0x0, {}, {}, @cond=[{}, {0x0, 0x0, 0x0, 0x40}]}) ptrace$setregs(0xd, r0, 0x0, &(0x7f0000000080)) ptrace$cont(0x7, r0, 0x0, 0x0) 13:37:31 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:31 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 554.351748] ptrace attach of "/root/syz-executor.1"[17131] was attempted by "/root/syz-executor.1"[17132] 13:37:32 executing program 1: openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000004c0)='/dev/kvm\x00', 0x0, 0x0) openat$tun(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TUNGETFILTER(0xffffffffffffffff, 0x801054db, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$KVM_CREATE_IRQCHIP(r2, 0xae60) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) openat$vga_arbiter(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = socket$packet(0x11, 0x0, 0x300) ioctl$sock_SIOCGIFINDEX(r4, 0x8933, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r3, &(0x7f0000fe8000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$KVM_SET_LAPIC(r3, 0x4400ae8f, &(0x7f00000000c0)={"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"}) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, &(0x7f0000000000)=0x100005) 13:37:32 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0xfc], [], @local}}, 0x1c) 13:37:32 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:32 executing program 1: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c0, 0x0, 0x0, 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, @perf_config_ext}, 0x0, 0xffefffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$packet_int(0xffffffffffffffff, 0x107, 0x0, 0x0, 0x0) openat$md(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/md0\x00', 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) 13:37:32 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:32 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:33 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:33 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0xff], [], @local}}, 0x1c) 13:37:33 executing program 1: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c0, 0x0, 0x0, 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, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) openat$md(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/md0\x00', 0x80000, 0x0) 13:37:34 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:34 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:34 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[], [], @local}}, 0x1c) 13:37:34 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:34 executing program 1: sysinfo(&(0x7f0000000000)=""/22) sendmsg(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000040)="2b0055a65fec389a71", 0x9}], 0x1}, 0x0) r0 = socket$inet(0x10, 0x2, 0x0) sendmsg$TIPC_NL_BEARER_ADD(0xffffffffffffffff, 0x0, 0x0) ioctl$sock_ifreq(r0, 0x89f1, &(0x7f0000000180)={'ip6_vti0\x00\x14\xea:\x01\x00=\x00', @ifru_flags}) 13:37:34 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:35 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:35 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:35 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:35 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:35 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:35 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0x2], [], @local}}, 0x1c) 13:37:36 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:36 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:36 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:36 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:36 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:36 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:36 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:37 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:37 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:37 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0x3], [], @local}}, 0x1c) 13:37:37 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r3) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:37 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:37 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:37 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:37 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:38 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:38 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0x4], [], @local}}, 0x1c) 13:37:38 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) socket$inet_udplite(0x2, 0x2, 0x88) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(r2, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r3, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r3, 0x84, 0x1f, 0x0, 0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:38 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:38 executing program 2: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:38 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:38 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:39 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0x5], [], @local}}, 0x1c) 13:37:39 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) 13:37:40 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:40 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:40 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:40 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:40 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0x6], [], @local}}, 0x1c) 13:37:41 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) 13:37:41 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:41 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:41 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:42 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0x7], [], @local}}, 0x1c) 13:37:42 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:42 executing program 3: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:42 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:42 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:43 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:43 executing program 1: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:37:43 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:43 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0x8], [], @local}}, 0x1c) 13:37:44 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:44 executing program 3: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x1}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:37:44 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:44 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:45 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:45 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:45 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0x9], [], @local}}, 0x1c) 13:37:45 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:45 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:47 executing program 1: unshare(0x6c060000) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = openat$cachefiles(0xffffffffffffff9c, 0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 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, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) write$binfmt_elf64(0xffffffffffffffff, 0x0, 0x0) ioctl(0xffffffffffffffff, 0x20c2604111, &(0x7f0000000000)) ioctl$KVM_GET_FPU(r0, 0x81a0ae8c, &(0x7f0000000040)) setsockopt$XDP_UMEM_FILL_RING(0xffffffffffffffff, 0x11b, 0x5, &(0x7f0000000000)=0x200008, 0x4) pipe2(0x0, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) syz_open_dev$sndpcmc(0x0, 0x0, 0x181801) open(&(0x7f0000000200)='./file0\x00', 0x282101, 0xc) getsockopt$IP6T_SO_GET_INFO(r1, 0x29, 0x40, &(0x7f0000000340)={'mangle\x00'}, &(0x7f00000003c0)=0x54) 13:37:47 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:47 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) r2 = userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(r2, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:47 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 569.806860] IPVS: ftp: loaded support on port[0] = 21 13:37:48 executing program 3: ioctl$VHOST_VSOCK_SET_GUEST_CID(0xffffffffffffffff, 0x4008af60, 0x0) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x42, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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={0x1}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) gettid() mlockall(0x1) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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) mremap(&(0x7f0000a94000/0x2000)=nil, 0x2, 0x800000, 0x3, &(0x7f0000130000/0x800000)=nil) ioctl$KDGETKEYCODE(0xffffffffffffffff, 0x4b4c, &(0x7f00000000c0)={0x8, 0x1f}) socket$inet6(0xa, 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000100)='/dev/admmidi#\x00', 0x6, 0x2) 13:37:48 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0xa], [], @local}}, 0x1c) 13:37:48 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:48 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:48 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:48 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:48 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, 0x0) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:48 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:48 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:48 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:49 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:49 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0xe], [], @local}}, 0x1c) 13:37:50 executing program 3 (fault-call:4 fault-nth:0): prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:50 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, 0x0) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:50 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:50 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:50 executing program 1 (fault-call:5 fault-nth:0): prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:50 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0x10], [], @local}}, 0x1c) [ 573.060617] FAULT_INJECTION: forcing a failure. [ 573.060617] name failslab, interval 1, probability 0, space 0, times 0 [ 573.072430] CPU: 0 PID: 17912 Comm: syz-executor.1 Not tainted 4.19.85-syzkaller #0 [ 573.080349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 573.089726] Call Trace: [ 573.092354] dump_stack+0x197/0x210 [ 573.096028] should_fail.cold+0xa/0x1b [ 573.099954] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 573.107464] ? lock_downgrade+0x880/0x880 [ 573.111745] __should_failslab+0x121/0x190 [ 573.116072] should_failslab+0x9/0x14 [ 573.120346] kmem_cache_alloc_node+0x26c/0x710 [ 573.125147] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 573.130026] __alloc_skb+0xd5/0x5f0 [ 573.133774] ? skb_scrub_packet+0x490/0x490 [ 573.138253] inet_netconf_notify_devconf+0xea/0x250 [ 573.143340] __devinet_sysctl_unregister.isra.0+0x85/0xb0 [ 573.148928] devinet_sysctl_unregister+0x92/0xf0 [ 573.153732] inetdev_event+0xa02/0x1230 [ 573.157769] ? retint_kernel+0x2d/0x2d [ 573.161702] ? inetdev_init+0x470/0x470 [ 573.165871] notifier_call_chain+0xc2/0x230 [ 573.170257] ? notifier_call_chain+0xc2/0x230 [ 573.174798] raw_notifier_call_chain+0x2e/0x40 [ 573.179506] call_netdevice_notifiers_info+0x3f/0x90 [ 573.185400] rollback_registered_many+0x894/0xda0 [ 573.190397] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 573.195163] ? generic_xdp_install+0x3d0/0x3d0 [ 573.199849] ? rollback_registered+0xab/0x1d0 [ 573.204428] rollback_registered+0x109/0x1d0 [ 573.208834] ? rollback_registered_many+0xda0/0xda0 [ 573.214032] unregister_netdevice_queue+0x1ee/0x2c0 [ 573.219045] unregister_netdev+0x1d/0x30 [ 573.223183] slip_close+0x16d/0x1d0 [ 573.226802] ? slip_compat_ioctl+0x90/0x90 [ 573.231129] tty_ldisc_close.isra.0+0xaf/0xe0 [ 573.235628] tty_set_ldisc+0x204/0x690 [ 573.239522] tty_ioctl+0x65e/0x1510 [ 573.243178] ? tty_vhangup+0x30/0x30 [ 573.246894] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 573.251672] ? retint_kernel+0x2d/0x2d [ 573.255746] ? tty_vhangup+0x30/0x30 [ 573.259455] ? tty_vhangup+0x30/0x30 [ 573.263240] do_vfs_ioctl+0xd5f/0x1380 [ 573.267193] ? selinux_file_ioctl+0x46f/0x5e0 [ 573.271684] ? selinux_file_ioctl+0x125/0x5e0 [ 573.276437] ? ioctl_preallocate+0x210/0x210 [ 573.280945] ? selinux_file_mprotect+0x620/0x620 [ 573.285721] ? iterate_fd+0x360/0x360 [ 573.289528] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 573.294303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 573.299983] ? security_file_ioctl+0x8d/0xc0 [ 573.304408] ksys_ioctl+0xab/0xd0 [ 573.307860] __x64_sys_ioctl+0x73/0xb0 [ 573.311744] ? do_syscall_64+0x5b/0x620 [ 573.315799] do_syscall_64+0xfd/0x620 [ 573.319744] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 573.324927] RIP: 0033:0x45a639 [ 573.329601] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 573.348592] RSP: 002b:00007f575d17ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 573.356520] RAX: ffffffffffffffda RBX: 00007f575d17ec90 RCX: 000000000045a639 [ 573.363960] RDX: 00000000200001c0 RSI: 0000000000005423 RDI: 0000000000000004 [ 573.371320] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 573.378773] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f575d17f6d4 [ 573.386046] R13: 00000000004c52d0 R14: 00000000004da3f0 R15: 0000000000000005 [ 573.457047] FAULT_INJECTION: forcing a failure. [ 573.457047] name failslab, interval 1, probability 0, space 0, times 0 [ 573.468539] CPU: 1 PID: 17927 Comm: syz-executor.3 Not tainted 4.19.85-syzkaller #0 [ 573.476621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 573.486613] Call Trace: [ 573.489276] dump_stack+0x197/0x210 [ 573.492950] should_fail.cold+0xa/0x1b [ 573.496879] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 573.502243] ? lock_downgrade+0x880/0x880 [ 573.506435] __should_failslab+0x121/0x190 [ 573.510951] should_failslab+0x9/0x14 [ 573.514963] kmem_cache_alloc_node_trace+0x274/0x720 [ 573.520234] ? mutex_trylock+0x1e0/0x1e0 [ 573.524343] __kmalloc_node+0x3d/0x80 [ 573.528191] kvmalloc_node+0x68/0x100 [ 573.532034] alloc_netdev_mqs+0x98/0xd40 [ 573.536215] ? sl_free_netdev+0x70/0x70 [ 573.540591] slip_open+0x38e/0x1175 [ 573.544257] ? sl_change_mtu+0x5c0/0x5c0 [ 573.548348] ? lock_downgrade+0x880/0x880 [ 573.552540] ? sl_change_mtu+0x5c0/0x5c0 [ 573.556654] tty_ldisc_open.isra.0+0x89/0xd0 [ 573.561096] tty_set_ldisc+0x2e3/0x690 [ 573.565036] tty_ioctl+0x65e/0x1510 [ 573.568677] ? tty_vhangup+0x30/0x30 [ 573.572390] ? mark_held_locks+0x100/0x100 [ 573.576858] ? proc_cwd_link+0x1d0/0x1d0 [ 573.580917] ? __fget+0x340/0x540 [ 573.584422] ? __might_sleep+0x95/0x190 [ 573.588397] ? tty_vhangup+0x30/0x30 [ 573.592112] do_vfs_ioctl+0xd5f/0x1380 [ 573.596033] ? selinux_file_ioctl+0x46f/0x5e0 [ 573.600553] ? selinux_file_ioctl+0x125/0x5e0 [ 573.605051] ? ioctl_preallocate+0x210/0x210 [ 573.609461] ? selinux_file_mprotect+0x620/0x620 [ 573.614227] ? iterate_fd+0x360/0x360 [ 573.618026] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 573.623552] ? fput+0x128/0x1a0 [ 573.626825] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 573.633312] ? security_file_ioctl+0x8d/0xc0 [ 573.637736] ksys_ioctl+0xab/0xd0 [ 573.641194] __x64_sys_ioctl+0x73/0xb0 [ 573.645161] do_syscall_64+0xfd/0x620 [ 573.648965] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 573.654579] RIP: 0033:0x45a639 [ 573.657977] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 573.677229] RSP: 002b:00007f34c60dec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 573.685208] RAX: ffffffffffffffda RBX: 00007f34c60dec90 RCX: 000000000045a639 [ 573.692469] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000003 [ 573.699726] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 573.706993] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34c60df6d4 [ 573.714950] R13: 00000000004c52d0 R14: 00000000004da3f0 R15: 0000000000000004 13:37:51 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:51 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, 0x0) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:51 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:51 executing program 3 (fault-call:4 fault-nth:1): prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:51 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:51 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0x60], [], @local}}, 0x1c) [ 574.364284] FAULT_INJECTION: forcing a failure. [ 574.364284] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 574.376928] CPU: 0 PID: 17976 Comm: syz-executor.3 Not tainted 4.19.85-syzkaller #0 [ 574.384767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 574.394410] Call Trace: [ 574.397054] dump_stack+0x197/0x210 [ 574.400730] should_fail.cold+0xa/0x1b [ 574.404665] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 574.409945] ? mark_held_locks+0x100/0x100 [ 574.414224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 574.420206] __alloc_pages_nodemask+0x1ee/0x750 [ 574.425238] ? __alloc_pages_slowpath+0x2870/0x2870 [ 574.430296] cache_grow_begin+0x91/0x8c0 [ 574.434382] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 574.439957] kmem_cache_alloc_node_trace+0x655/0x720 [ 574.445295] ? mutex_trylock+0x1e0/0x1e0 [ 574.449480] __kmalloc_node+0x3d/0x80 [ 574.453432] kvmalloc_node+0x68/0x100 [ 574.457271] alloc_netdev_mqs+0x98/0xd40 [ 574.461368] ? sl_free_netdev+0x70/0x70 [ 574.465473] slip_open+0x38e/0x1175 [ 574.469190] ? sl_change_mtu+0x5c0/0x5c0 [ 574.473378] ? lock_downgrade+0x880/0x880 [ 574.477555] ? sl_change_mtu+0x5c0/0x5c0 [ 574.481656] tty_ldisc_open.isra.0+0x89/0xd0 [ 574.486101] tty_set_ldisc+0x2e3/0x690 [ 574.490065] tty_ioctl+0x65e/0x1510 [ 574.493728] ? tty_vhangup+0x30/0x30 [ 574.497468] ? mark_held_locks+0x100/0x100 [ 574.501817] ? proc_cwd_link+0x1d0/0x1d0 [ 574.505918] ? __fget+0x340/0x540 [ 574.509413] ? __might_sleep+0x95/0x190 [ 574.513428] ? tty_vhangup+0x30/0x30 [ 574.517167] do_vfs_ioctl+0xd5f/0x1380 [ 574.521097] ? selinux_file_ioctl+0x46f/0x5e0 [ 574.525682] ? selinux_file_ioctl+0x125/0x5e0 [ 574.531394] ? ioctl_preallocate+0x210/0x210 [ 574.536144] ? selinux_file_mprotect+0x620/0x620 [ 574.541031] ? iterate_fd+0x360/0x360 [ 574.544862] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 574.550441] ? fput+0x128/0x1a0 [ 574.553760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 574.559466] ? security_file_ioctl+0x8d/0xc0 [ 574.564132] ksys_ioctl+0xab/0xd0 [ 574.567783] __x64_sys_ioctl+0x73/0xb0 [ 574.571708] do_syscall_64+0xfd/0x620 [ 574.575560] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 574.580994] RIP: 0033:0x45a639 [ 574.584209] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 574.603705] RSP: 002b:00007f34c60dec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 574.611561] RAX: ffffffffffffffda RBX: 00007f34c60dec90 RCX: 000000000045a639 [ 574.618960] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000003 [ 574.626268] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 574.634517] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34c60df6d4 [ 574.641998] R13: 00000000004c52d0 R14: 00000000004da3f0 R15: 0000000000000004 13:37:52 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0x61], [], @local}}, 0x1c) 13:37:53 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x2, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:53 executing program 3 (fault-call:4 fault-nth:2): prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:53 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:53 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:53 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x1, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:53 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 576.270705] FAULT_INJECTION: forcing a failure. [ 576.270705] name failslab, interval 1, probability 0, space 0, times 0 [ 576.284203] CPU: 0 PID: 18042 Comm: syz-executor.3 Not tainted 4.19.85-syzkaller #0 [ 576.292046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 576.301596] Call Trace: [ 576.304230] dump_stack+0x197/0x210 [ 576.307908] should_fail.cold+0xa/0x1b [ 576.311847] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 576.316997] ? lock_downgrade+0x880/0x880 [ 576.321366] __should_failslab+0x121/0x190 [ 576.325635] should_failslab+0x9/0x14 [ 576.329466] kmem_cache_alloc_node_trace+0x274/0x720 [ 576.334600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 576.340175] ? dev_addr_init+0x17f/0x200 [ 576.344273] __kmalloc_node+0x3d/0x80 [ 576.348104] kvmalloc_node+0x68/0x100 [ 576.351949] alloc_netdev_mqs+0x67c/0xd40 [ 576.356138] ? sl_free_netdev+0x70/0x70 [ 576.360235] slip_open+0x38e/0x1175 [ 576.363895] ? sl_change_mtu+0x5c0/0x5c0 [ 576.367995] ? lock_downgrade+0x880/0x880 [ 576.372278] ? sl_change_mtu+0x5c0/0x5c0 [ 576.376387] tty_ldisc_open.isra.0+0x89/0xd0 [ 576.380836] tty_set_ldisc+0x2e3/0x690 [ 576.384840] tty_ioctl+0x65e/0x1510 [ 576.388496] ? tty_vhangup+0x30/0x30 [ 576.392238] ? mark_held_locks+0x100/0x100 [ 576.396493] ? proc_cwd_link+0x1d0/0x1d0 [ 576.400581] ? __fget+0x340/0x540 [ 576.404164] ? __might_sleep+0x95/0x190 [ 576.408171] ? tty_vhangup+0x30/0x30 [ 576.411911] do_vfs_ioctl+0xd5f/0x1380 [ 576.415829] ? selinux_file_ioctl+0x46f/0x5e0 [ 576.420358] ? selinux_file_ioctl+0x125/0x5e0 [ 576.424933] ? ioctl_preallocate+0x210/0x210 [ 576.429454] ? selinux_file_mprotect+0x620/0x620 [ 576.434255] ? iterate_fd+0x360/0x360 [ 576.438090] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 576.443657] ? fput+0x128/0x1a0 [ 576.446974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 576.452633] ? security_file_ioctl+0x8d/0xc0 [ 576.457165] ksys_ioctl+0xab/0xd0 [ 576.460656] __x64_sys_ioctl+0x73/0xb0 [ 576.464577] do_syscall_64+0xfd/0x620 [ 576.468516] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 576.473941] RIP: 0033:0x45a639 [ 576.477154] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 576.496075] RSP: 002b:00007f34c60dec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 576.503816] RAX: ffffffffffffffda RBX: 00007f34c60dec90 RCX: 000000000045a639 [ 576.511386] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000003 [ 576.518700] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 576.526165] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34c60df6d4 [ 576.533470] R13: 00000000004c52d0 R14: 00000000004da3f0 R15: 0000000000000004 13:37:54 executing program 3 (fault-call:4 fault-nth:3): prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:54 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0x78], [], @local}}, 0x1c) 13:37:54 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 577.162946] FAULT_INJECTION: forcing a failure. [ 577.162946] name failslab, interval 1, probability 0, space 0, times 0 [ 577.175093] CPU: 1 PID: 18082 Comm: syz-executor.3 Not tainted 4.19.85-syzkaller #0 [ 577.182923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 577.192305] Call Trace: [ 577.194932] dump_stack+0x197/0x210 [ 577.198596] should_fail.cold+0xa/0x1b [ 577.202654] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 577.208013] ? lock_downgrade+0x880/0x880 [ 577.212216] __should_failslab+0x121/0x190 [ 577.216700] should_failslab+0x9/0x14 [ 577.220535] kmem_cache_alloc_node_trace+0x274/0x720 [ 577.226021] ? __lockdep_init_map+0x10c/0x5b0 [ 577.230665] __kmalloc_node+0x3d/0x80 [ 577.234589] kvmalloc_node+0x68/0x100 [ 577.238429] alloc_netdev_mqs+0x822/0xd40 [ 577.242613] slip_open+0x38e/0x1175 [ 577.246277] ? sl_change_mtu+0x5c0/0x5c0 [ 577.250366] ? lock_downgrade+0x880/0x880 [ 577.255257] ? sl_change_mtu+0x5c0/0x5c0 [ 577.259380] tty_ldisc_open.isra.0+0x89/0xd0 [ 577.264069] tty_set_ldisc+0x2e3/0x690 [ 577.268075] tty_ioctl+0x65e/0x1510 [ 577.271738] ? tty_vhangup+0x30/0x30 [ 577.275482] ? mark_held_locks+0x100/0x100 [ 577.279748] ? proc_cwd_link+0x1d0/0x1d0 [ 577.283853] ? __fget+0x340/0x540 [ 577.287460] ? __might_sleep+0x95/0x190 [ 577.291461] ? tty_vhangup+0x30/0x30 [ 577.295196] do_vfs_ioctl+0xd5f/0x1380 [ 577.299114] ? selinux_file_ioctl+0x46f/0x5e0 [ 577.303651] ? selinux_file_ioctl+0x125/0x5e0 [ 577.308181] ? ioctl_preallocate+0x210/0x210 [ 577.312624] ? selinux_file_mprotect+0x620/0x620 [ 577.317409] ? iterate_fd+0x360/0x360 [ 577.321240] ? retint_kernel+0x2d/0x2d [ 577.325216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 577.330897] ? security_file_ioctl+0x8d/0xc0 [ 577.335339] ksys_ioctl+0xab/0xd0 [ 577.338822] __x64_sys_ioctl+0x73/0xb0 [ 577.342741] do_syscall_64+0xfd/0x620 [ 577.346573] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 577.351793] RIP: 0033:0x45a639 [ 577.355001] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 577.373918] RSP: 002b:00007f34c60dec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 577.381659] RAX: ffffffffffffffda RBX: 00007f34c60dec90 RCX: 000000000045a639 [ 577.388953] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000003 [ 577.396385] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 577.404041] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34c60df6d4 [ 577.411508] R13: 00000000004c52d0 R14: 00000000004da3f0 R15: 0000000000000004 13:37:55 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) 13:37:55 executing program 3 (fault-call:4 fault-nth:4): prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:55 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x4b47, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:55 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:55 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0xe0], [], @local}}, 0x1c) [ 577.997926] FAULT_INJECTION: forcing a failure. [ 577.997926] name failslab, interval 1, probability 0, space 0, times 0 [ 578.010415] CPU: 1 PID: 18128 Comm: syz-executor.3 Not tainted 4.19.85-syzkaller #0 [ 578.018260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 578.027674] Call Trace: [ 578.030302] dump_stack+0x197/0x210 [ 578.040108] should_fail.cold+0xa/0x1b [ 578.044341] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 578.049521] ? lock_downgrade+0x880/0x880 [ 578.053719] __should_failslab+0x121/0x190 [ 578.058075] should_failslab+0x9/0x14 [ 578.062003] kmem_cache_alloc_node_trace+0x274/0x720 [ 578.067149] ? __lockdep_init_map+0x10c/0x5b0 [ 578.071689] __kmalloc_node+0x3d/0x80 [ 578.075701] kvmalloc_node+0x68/0x100 [ 578.079804] alloc_netdev_mqs+0x822/0xd40 [ 578.084530] slip_open+0x38e/0x1175 [ 578.088308] ? sl_change_mtu+0x5c0/0x5c0 [ 578.092946] ? lock_downgrade+0x880/0x880 [ 578.097756] ? sl_change_mtu+0x5c0/0x5c0 [ 578.101859] tty_ldisc_open.isra.0+0x89/0xd0 [ 578.106306] tty_set_ldisc+0x2e3/0x690 [ 578.110234] tty_ioctl+0x65e/0x1510 [ 578.114637] ? tty_vhangup+0x30/0x30 [ 578.118407] ? mark_held_locks+0x100/0x100 [ 578.122693] ? proc_cwd_link+0x1d0/0x1d0 [ 578.126776] ? __fget+0x340/0x540 [ 578.130229] ? __might_sleep+0x95/0x190 [ 578.134205] ? tty_vhangup+0x30/0x30 [ 578.137926] do_vfs_ioctl+0xd5f/0x1380 [ 578.141996] ? selinux_file_ioctl+0x46f/0x5e0 [ 578.146507] ? selinux_file_ioctl+0x125/0x5e0 [ 578.151008] ? ioctl_preallocate+0x210/0x210 [ 578.155512] ? selinux_file_mprotect+0x620/0x620 [ 578.160278] ? iterate_fd+0x360/0x360 [ 578.164234] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 578.169805] ? fput+0x128/0x1a0 [ 578.173391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 578.179005] ? security_file_ioctl+0x8d/0xc0 [ 578.183433] ksys_ioctl+0xab/0xd0 [ 578.186897] __x64_sys_ioctl+0x73/0xb0 [ 578.190786] do_syscall_64+0xfd/0x620 [ 578.194599] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 578.199927] RIP: 0033:0x45a639 [ 578.203140] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 578.222270] RSP: 002b:00007f34c60dec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 578.230145] RAX: ffffffffffffffda RBX: 00007f34c60dec90 RCX: 000000000045a639 [ 578.237541] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000003 [ 578.244835] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 578.252305] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34c60df6d4 [ 578.260986] R13: 00000000004c52d0 R14: 00000000004da3f0 R15: 0000000000000004 13:37:55 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:55 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x4b49, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:56 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}}) r4 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:56 executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x0, 0x84) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) 13:37:56 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r2, &(0x7f00000000c0)={0xa, 0x4e21, 0x0, @empty}, 0x1c) connect$inet6(r2, &(0x7f0000000100)={0xa, 0x404e21, 0x0, @ipv4={[0x0, 0xfc], [], @local}}, 0x1c) 13:37:56 executing program 3 (fault-call:4 fault-nth:5): prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r1, 0xc020aa00, 0x0) dup2(0xffffffffffffffff, 0xffffffffffffffff) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:56 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 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, 0x0, 0x0, 0x0, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5409, &(0x7f00000001c0)) userfaultfd(0x0) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, &(0x7f0000000480)) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r2, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) dup2(0xffffffffffffffff, r2) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) 13:37:56 executing program 2 (fault-call:1 fault-nth:0): r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 579.421351] FAULT_INJECTION: forcing a failure. [ 579.421351] name failslab, interval 1, probability 0, space 0, times 0 13:37:57 executing program 5: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000080)={0x30, 0x2, 0x0, 0x0, 0x3}, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000001c0)) socket$inet6_tcp(0xa, 0x1, 0x0) r1 = userfaultfd(0x0) ioctl$UFFDIO_API(r1, 0xc018aa3f, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) r2 = socket$inet_udplite(0x2, 0x2, 0x88) r3 = userfaultfd(0x0) ioctl$UFFDIO_API(r3, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r3, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r4 = socket$inet6_sctp(0xa, 0x0, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r4, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r4, 0x84, 0x1f, 0x0, 0x0) dup2(r2, r4) socket$inet_udplite(0x2, 0x2, 0x88) r5 = userfaultfd(0x0) ioctl$UFFDIO_API(r5, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(r5, 0xc020aa00, &(0x7f0000000300)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r6 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r6, 0x84, 0xf, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0xff0a) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(r6, 0x84, 0x1f, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 579.718981] CPU: 1 PID: 18192 Comm: syz-executor.3 Not tainted 4.19.85-syzkaller #0 [ 579.726850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 579.737074] Call Trace: [ 579.739703] dump_stack+0x197/0x210 [ 579.743456] should_fail.cold+0xa/0x1b [ 579.747496] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 579.752649] ? lock_downgrade+0x880/0x880 [ 579.756846] __should_failslab+0x121/0x190 [ 579.761109] should_failslab+0x9/0x14 [ 579.764939] kmem_cache_alloc_trace+0x2cc/0x760 [ 579.769642] ? lockdep_init_map+0x9/0x10 [ 579.773796] ? init_timer_key+0x122/0x360 [ 579.777992] slip_open+0x933/0x1175 [ 579.781655] ? sl_change_mtu+0x5c0/0x5c0 [ 579.785745] ? lock_downgrade+0x880/0x880 [ 579.789931] ? sl_change_mtu+0x5c0/0x5c0 [ 579.794381] tty_ldisc_open.isra.0+0x89/0xd0 [ 579.798825] tty_set_ldisc+0x2e3/0x690 [ 579.802843] tty_ioctl+0x65e/0x1510 [ 579.806583] ? tty_vhangup+0x30/0x30 [ 579.810324] ? mark_held_locks+0x100/0x100 [ 579.814590] ? proc_cwd_link+0x1d0/0x1d0 [ 579.818691] ? __fget+0x340/0x540 [ 579.822276] ? __might_sleep+0x95/0x190 [ 579.826280] ? tty_vhangup+0x30/0x30 [ 579.830022] do_vfs_ioctl+0xd5f/0x1380 [ 579.833936] ? selinux_file_ioctl+0x46f/0x5e0 [ 579.838580] ? selinux_file_ioctl+0x125/0x5e0 [ 579.843109] ? ioctl_preallocate+0x210/0x210 [ 579.847653] ? selinux_file_mprotect+0x620/0x620 [ 579.852535] ? iterate_fd+0x360/0x360 [ 579.856716] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 579.863093] ? fput+0x128/0x1a0 [ 579.866768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 579.872523] ? security_file_ioctl+0x8d/0xc0 [ 579.877056] ksys_ioctl+0xab/0xd0 [ 579.880550] __x64_sys_ioctl+0x73/0xb0 [ 579.884910] do_syscall_64+0xfd/0x620 [ 579.888771] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 579.894089] RIP: 0033:0x45a639 [ 579.897624] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 13:37:57 executing program 2: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000300)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000003c0)=0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, 0x0) userfaultfd(0x0) socket$inet_udplite(0x2, 0x2, 0x88) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000480)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) setsockopt$inet_sctp6_SCTP_PEER_ADDR_THLDS(0xffffffffffffffff, 0x84, 0x1f, 0x0, 0x0) [ 579.918836] RSP: 002b:00007f34c60dec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 579.927286] RAX: ffffffffffffffda RBX: 00007f34c60dec90 RCX: 000000000045a639 [ 579.934985] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000003 [ 579.942975] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 579.950359] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f34c60df6d4 [ 579.957772] R13: 00000000004c52d0 R14: 00000000004da3f0 R15: 0000000000000004 [ 580.357241] ================================================================== [ 580.365072] BUG: KASAN: use-after-free in slip_open+0xe92/0x1175 [ 580.371228] Read of size 8 at addr ffff88802d255688 by task syz-executor.1/18217 [ 580.378752] [ 580.380385] CPU: 1 PID: 18217 Comm: syz-executor.1 Not tainted 4.19.85-syzkaller #0 [ 580.388173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 580.397537] Call Trace: [ 580.400237] dump_stack+0x197/0x210 [ 580.403948] ? slip_open+0xe92/0x1175 [ 580.407834] print_address_description.cold+0x7c/0x20d [ 580.413101] ? slip_open+0xe92/0x1175 [ 580.416896] kasan_report.cold+0x8c/0x2ba [ 580.421039] __asan_report_load8_noabort+0x14/0x20 [ 580.425969] slip_open+0xe92/0x1175 [ 580.429592] ? sl_change_mtu+0x5c0/0x5c0 [ 580.433650] ? lock_downgrade+0x880/0x880 [ 580.437882] ? sl_change_mtu+0x5c0/0x5c0 [ 580.441939] tty_ldisc_open.isra.0+0x89/0xd0 [ 580.446693] tty_set_ldisc+0x2e3/0x690 [ 580.450836] tty_ioctl+0x65e/0x1510 [ 580.454635] ? tty_vhangup+0x30/0x30 [ 580.458342] ? mark_held_locks+0x100/0x100 [ 580.462581] ? __fget+0x340/0x540 [ 580.466123] ? __might_sleep+0x95/0x190 [ 580.470092] ? tty_vhangup+0x30/0x30 [ 580.473825] do_vfs_ioctl+0xd5f/0x1380 [ 580.477709] ? selinux_file_ioctl+0x46f/0x5e0 [ 580.482392] ? selinux_file_ioctl+0x125/0x5e0 [ 580.486883] ? ioctl_preallocate+0x210/0x210 [ 580.491498] ? selinux_file_mprotect+0x620/0x620 [ 580.496247] ? iterate_fd+0x360/0x360 [ 580.500050] ? nsecs_to_jiffies+0x30/0x30 [ 580.504197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 580.509737] ? security_file_ioctl+0x8d/0xc0 [ 580.514167] ksys_ioctl+0xab/0xd0 [ 580.517627] __x64_sys_ioctl+0x73/0xb0 [ 580.521511] do_syscall_64+0xfd/0x620 [ 580.525327] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 580.530507] RIP: 0033:0x45a639 [ 580.533956] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 580.553323] RSP: 002b:00007f575d17ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 580.561126] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a639 [ 580.568485] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000004 [ 580.575746] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 580.583105] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f575d17f6d4 [ 580.590711] R13: 00000000004c52d0 R14: 00000000004da3f0 R15: 00000000ffffffff [ 580.598615] [ 580.600238] Allocated by task 18192: [ 580.603954] save_stack+0x45/0xd0 [ 580.607395] kasan_kmalloc+0xce/0xf0 [ 580.611106] __kmalloc_node+0x51/0x80 [ 580.614901] kvmalloc_node+0x68/0x100 [ 580.618689] alloc_netdev_mqs+0x98/0xd40 [ 580.622737] slip_open+0x38e/0x1175 [ 580.626358] tty_ldisc_open.isra.0+0x89/0xd0 [ 580.630841] tty_set_ldisc+0x2e3/0x690 [ 580.634719] tty_ioctl+0x65e/0x1510 [ 580.638332] do_vfs_ioctl+0xd5f/0x1380 [ 580.642209] ksys_ioctl+0xab/0xd0 [ 580.645650] __x64_sys_ioctl+0x73/0xb0 [ 580.649631] do_syscall_64+0xfd/0x620 [ 580.653445] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 580.658618] [ 580.660241] Freed by task 18192: [ 580.663601] save_stack+0x45/0xd0 [ 580.667045] __kasan_slab_free+0x102/0x150 [ 580.671266] kasan_slab_free+0xe/0x10 [ 580.675053] kfree+0xcf/0x220 [ 580.678150] kvfree+0x61/0x70 [ 580.681247] free_netdev+0x384/0x430 [ 580.684958] slip_open+0xd2a/0x1175 [ 580.688584] tty_ldisc_open.isra.0+0x89/0xd0 [ 580.693078] tty_set_ldisc+0x2e3/0x690 [ 580.696951] tty_ioctl+0x65e/0x1510 [ 580.700567] do_vfs_ioctl+0xd5f/0x1380 [ 580.704445] ksys_ioctl+0xab/0xd0 [ 580.707998] __x64_sys_ioctl+0x73/0xb0 [ 580.711893] do_syscall_64+0xfd/0x620 [ 580.715778] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 580.720951] [ 580.722580] The buggy address belongs to the object at ffff88802d254bc0 [ 580.722580] which belongs to the cache kmalloc-4096 of size 4096 [ 580.735934] The buggy address is located 2760 bytes inside of [ 580.735934] 4096-byte region [ffff88802d254bc0, ffff88802d255bc0) [ 580.747981] The buggy address belongs to the page: [ 580.753098] page:ffffea0000b49500 count:1 mapcount:0 mapping:ffff88812c3f0dc0 index:0x0 compound_mapcount: 0 [ 580.763083] flags: 0x1fffc0000008100(slab|head) [ 580.767841] raw: 01fffc0000008100 ffffea000104cd08 ffffea00011fcc88 ffff88812c3f0dc0 [ 580.776757] raw: 0000000000000000 ffff88802d254bc0 0000000100000001 0000000000000000 [ 580.784893] page dumped because: kasan: bad access detected [ 580.790597] [ 580.792218] Memory state around the buggy address: [ 580.797151] ffff88802d255580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 580.804587] ffff88802d255600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 580.811977] >ffff88802d255680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 580.819514] ^ [ 580.823228] ffff88802d255700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 580.830754] ffff88802d255780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 580.838299] ================================================================== [ 580.845650] Disabling lock debugging due to kernel taint [ 580.852028] Kernel panic - not syncing: panic_on_warn set ... [ 580.852028] [ 580.859517] CPU: 1 PID: 18217 Comm: syz-executor.1 Tainted: G B 4.19.85-syzkaller #0 [ 580.868711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 580.878190] Call Trace: [ 580.880786] dump_stack+0x197/0x210 [ 580.884410] ? slip_open+0xe92/0x1175 [ 580.888197] panic+0x26a/0x50e [ 580.891378] ? __warn_printk+0xf3/0xf3 [ 580.895250] ? slip_open+0xe92/0x1175 [ 580.899141] ? trace_hardirqs_on+0x5e/0x220 [ 580.904338] ? trace_hardirqs_on+0x5e/0x220 [ 580.908845] ? slip_open+0xe92/0x1175 [ 580.912672] kasan_end_report+0x47/0x4f [ 580.916645] kasan_report.cold+0xa9/0x2ba [ 580.920793] __asan_report_load8_noabort+0x14/0x20 [ 580.925717] slip_open+0xe92/0x1175 [ 580.929431] ? sl_change_mtu+0x5c0/0x5c0 [ 580.933493] ? lock_downgrade+0x880/0x880 [ 580.937645] ? sl_change_mtu+0x5c0/0x5c0 [ 580.941697] tty_ldisc_open.isra.0+0x89/0xd0 [ 580.946203] tty_set_ldisc+0x2e3/0x690 [ 580.950256] tty_ioctl+0x65e/0x1510 [ 580.953873] ? tty_vhangup+0x30/0x30 [ 580.957686] ? mark_held_locks+0x100/0x100 [ 580.961922] ? __fget+0x340/0x540 [ 580.965400] ? __might_sleep+0x95/0x190 [ 580.969376] ? tty_vhangup+0x30/0x30 [ 580.973078] do_vfs_ioctl+0xd5f/0x1380 [ 580.976963] ? selinux_file_ioctl+0x46f/0x5e0 [ 580.981536] ? selinux_file_ioctl+0x125/0x5e0 [ 580.986115] ? ioctl_preallocate+0x210/0x210 [ 580.990521] ? selinux_file_mprotect+0x620/0x620 [ 580.995269] ? iterate_fd+0x360/0x360 [ 580.999114] ? nsecs_to_jiffies+0x30/0x30 [ 581.003523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 581.009055] ? security_file_ioctl+0x8d/0xc0 [ 581.013454] ksys_ioctl+0xab/0xd0 [ 581.016924] __x64_sys_ioctl+0x73/0xb0 [ 581.020899] do_syscall_64+0xfd/0x620 [ 581.024710] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 581.029979] RIP: 0033:0x45a639 [ 581.033172] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 581.052074] RSP: 002b:00007f575d17ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 581.059786] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a639 [ 581.067077] RDX: 00000000200003c0 RSI: 0000000000005423 RDI: 0000000000000004 [ 581.074607] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 581.082415] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f575d17f6d4 [ 581.089820] R13: 00000000004c52d0 R14: 00000000004da3f0 R15: 00000000ffffffff [ 581.097986] Kernel Offset: disabled [ 581.101626] Rebooting in 86400 seconds..