etpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f4, 0x38}}, 0x38) 23:27:32 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0xfc], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:32 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x0, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:32 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:33 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x7c, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:33 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00!', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:33 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0xff], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:33 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3e8, 0x38}}, 0x38) 23:27:33 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x0, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:33 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "008dff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:33 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:33 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "00f5ff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:33 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x009', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:33 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x600, 0x38}}, 0x38) 23:27:33 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x0, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:33 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0x2], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:34 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x7d, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:34 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:34 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00@', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:34 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700, 0x38}}, 0x38) 23:27:34 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(0xffffffffffffffff) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:34 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0x3], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 491.144289][T18548] net_ratelimit: 13 callbacks suppressed [ 491.144301][T18548] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 491.175239][T18550] dccp_v6_rcv: dropped packet with invalid checksum 23:27:34 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0x6], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:34 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:34 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x900, 0x38}}, 0x38) 23:27:34 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00H', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:34 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(0xffffffffffffffff) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 491.333084][T18560] dccp_v6_rcv: dropped packet with invalid checksum 23:27:34 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 491.429920][T18571] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 491.478884][T18571] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 491.592967][T18576] dccp_v6_rcv: dropped packet with invalid checksum 23:27:35 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x7e, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:35 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0x7], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:35 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa00, 0x38}}, 0x38) 23:27:35 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00L', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:35 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(0xffffffffffffffff) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:35 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 492.164462][T18593] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 492.180634][T18596] dccp_v6_rcv: dropped packet with invalid checksum 23:27:35 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe00, 0x38}}, 0x38) 23:27:35 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0x8], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:35 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00`', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:35 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:35 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 492.405351][T18612] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 492.431984][T18616] dccp_v6_rcv: dropped packet with invalid checksum 23:27:35 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00h', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:36 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x82, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:36 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1100, 0x38}}, 0x38) 23:27:36 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0x60], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:36 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:36 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:36 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00l', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:36 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0xfc], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:36 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:36 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00t', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:36 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2100, 0x38}}, 0x38) 23:27:36 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:36 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0xff], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:37 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x83, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:37 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:37 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2f00, 0x38}}, 0x38) 23:27:37 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00z', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:37 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:37 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:37 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "0009ef", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:37 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0x0, 0x2], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:37 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:37 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:37 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a00, 0x38}}, 0x38) 23:27:37 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:38 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x84, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "0009f0", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:38 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0x0, 0x3], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:38 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000, 0x38}}, 0x38) 23:27:38 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:38 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:38 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0x0, 0x6], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "0000ff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:38 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:38 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe803, 0x38}}, 0x38) 23:27:38 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, 0x0, 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:38 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0x0, 0x7], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:39 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x85, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:39 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "00840f", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:39 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf401, 0x38}}, 0x38) 23:27:39 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:39 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0x0, 0x8], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:39 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, 0x0, 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:39 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:39 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0x0, 0x60], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:39 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000000, 0x38}}, 0x38) 23:27:39 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 496.300878][T18799] net_ratelimit: 20 callbacks suppressed [ 496.300890][T18799] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:39 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, 0x0, 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 496.359604][T18804] dccp_v6_rcv: dropped packet with invalid checksum 23:27:39 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0x0, 0xfc], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:40 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:40 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:40 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x86, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:40 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2000000, 0x38}}, 0x38) 23:27:40 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [0x0, 0x0, 0xff], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:40 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4), 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 497.100942][T18830] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 497.116143][T18835] dccp_v6_rcv: dropped packet with invalid checksum 23:27:40 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:40 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000000, 0x38}}, 0x38) 23:27:40 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:40 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:40 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4), 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 497.310162][T18845] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:40 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6000000, 0x38}}, 0x38) [ 497.378097][T18853] dccp_v6_rcv: dropped packet with invalid checksum 23:27:40 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:40 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x2, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 497.536168][T18860] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:41 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x87, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:41 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:41 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4), 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:41 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7000000, 0x38}}, 0x38) 23:27:41 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:41 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x3, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 498.089491][T18882] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:41 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x6, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 498.146246][T18881] dccp_v6_rcv: dropped packet with invalid checksum 23:27:41 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:41 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:41 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9000000, 0x38}}, 0x38) 23:27:41 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x0, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:41 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x7, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 498.454528][T18899] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:42 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x88, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:42 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x0, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:42 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa000000, 0x38}}, 0x38) 23:27:42 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:42 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:42 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x8, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:42 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe000000, 0x38}}, 0x38) 23:27:42 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0xf, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:42 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:42 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:42 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x0, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:42 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:43 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x89, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:43 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x2, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:43 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:43 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x11000000, 0x38}}, 0x38) 23:27:43 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:43 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:43 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x3, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:43 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x21000000, 0x38}}, 0x38) 23:27:43 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:43 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x4, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:44 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x8a, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:44 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:44 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:44 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2f000000, 0x38}}, 0x38) 23:27:44 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x5, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:44 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:44 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3a000000, 0x38}}, 0x38) 23:27:44 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:44 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x8, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:44 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:44 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:44 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0xb, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 501.329271][T19035] net_ratelimit: 19 callbacks suppressed [ 501.329280][T19035] dccp_v6_rcv: dropped packet with invalid checksum 23:27:45 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, 0x0, 0x0) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:45 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:45 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x8b, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:45 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60000000, 0x38}}, 0x38) 23:27:45 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00\v', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:45 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 501.892413][T19051] dccp_v6_rcv: dropped packet with invalid checksum [ 501.921000][T19055] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:45 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00 ', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:45 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x84ffffff, 0x38}}, 0x38) 23:27:45 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:45 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:45 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, 0x0, 0x0) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:45 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, "240240", 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 502.222706][T19072] dccp_v6_rcv: dropped packet with invalid checksum [ 502.251479][T19073] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:45 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x88ffffff, 0x38}}, 0x38) [ 502.267317][T19072] dccp_v6_rcv: dropped packet with invalid checksum 23:27:45 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 502.453789][T19086] dccp_v6_rcv: dropped packet with invalid checksum 23:27:46 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x8c, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:46 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:46 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, 0x0, 0x0) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:46 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, "240340", 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:46 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x97ffffff, 0x38}}, 0x38) 23:27:46 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "00ffff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 502.991556][T19103] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 503.003229][T19104] dccp_v6_rcv: dropped packet with invalid checksum 23:27:46 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000002", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:46 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:46 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xe8030000, 0x38}}, 0x38) 23:27:46 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, "240640", 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:46 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x0, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 503.223119][T19115] dccp_v6_rcv: dropped packet with invalid checksum 23:27:46 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000003", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:47 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x8d, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:47 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\a@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:47 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:47 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf4010000, 0x38}}, 0x38) 23:27:47 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x0, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:47 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000004", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:47 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000005", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:47 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:47 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff84, 0x38}}, 0x38) 23:27:47 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\b@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:47 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x0, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bsg\x00', 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:47 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000006", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:48 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x8e, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:48 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:48 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff88, 0x38}}, 0x38) 23:27:48 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$`@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:48 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00\a', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:48 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x900, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:48 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, "24fc40", 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:48 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffff97, 0x38}}, 0x38) 23:27:48 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:48 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00\b', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:48 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00`', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:48 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x38}}, 0x38) 23:27:49 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x8f, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:49 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000011", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:49 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000003", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:49 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00\v', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:49 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2}}, 0x38) 23:27:49 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:49 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00`', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:49 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "00ffff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:49 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00!', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:49 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4e}}, 0x38) 23:27:49 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:49 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 506.361373][T19259] net_ratelimit: 16 callbacks suppressed [ 506.361384][T19259] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:50 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x90, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:50 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5c6}}, 0x38) 23:27:50 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x009', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:50 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x2, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:50 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 507.102390][T19280] dccp_v6_rcv: dropped packet with invalid checksum [ 507.111944][T19282] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:50 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x3, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "00ffff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:50 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfdef}}, 0x38) 23:27:50 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00H', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 507.316780][T19290] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:50 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x6, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 507.441414][T19299] dccp_v6_rcv: dropped packet with invalid checksum [ 507.633113][T19306] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:51 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x91, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:51 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000238}}, 0x38) 23:27:51 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00L', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:51 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x7, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:51 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "008dff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:51 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 508.228552][T19318] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 508.248005][T19322] dccp_v6_rcv: dropped packet with invalid checksum 23:27:51 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x8, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:51 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "00f5ff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:51 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffdef}}, 0x38) 23:27:51 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00`', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 508.590052][T19339] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 508.640492][T19341] dccp_v6_rcv: dropped packet with invalid checksum 23:27:52 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x60, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:52 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:27:52 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x92, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:52 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:52 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00h', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:52 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0xfc, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:52 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x2}}, 0x38) 23:27:52 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(0x0, 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:52 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x4}}, 0x38) 23:27:52 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x300, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:52 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00l', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:52 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(0x0, 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:53 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:53 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x600, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:53 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x93, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:53 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00t', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:53 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x700, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:53 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x6}}, 0x38) 23:27:53 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(0x0, 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:53 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:53 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x4000, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:53 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00z', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:53 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x7}}, 0x38) 23:27:53 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:53 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:53 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x6000, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:54 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x94, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:54 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:54 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x9}}, 0x38) 23:27:54 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:54 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:54 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x80fe, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 511.418929][T19462] net_ratelimit: 13 callbacks suppressed [ 511.418939][T19462] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:54 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0xc0fe, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 511.459159][T19466] dccp_v6_rcv: dropped packet with invalid checksum 23:27:54 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:54 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xa}}, 0x38) 23:27:54 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:54 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 511.662861][T19480] dccp_v6_rcv: dropped packet with invalid checksum 23:27:55 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0xfc00, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 511.740027][T19484] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:55 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x95, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:55 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:55 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0xfe80, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:55 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xe}}, 0x38) 23:27:55 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:55 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00\t', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 512.340353][T19504] dccp_v6_rcv: dropped packet with invalid checksum [ 512.355037][T19508] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:55 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0xfec0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:55 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x11}}, 0x38) 23:27:55 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 512.452870][T19508] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:55 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:55 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x21}}, 0x38) [ 512.642423][T19523] dccp_v6_rcv: dropped packet with invalid checksum 23:27:56 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0xff00, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 512.780725][T19527] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:56 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x96, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:56 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00\t', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:56 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0xffff, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:56 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x2f}}, 0x38) 23:27:56 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 513.637094][T19550] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:27:57 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:57 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x3a}}, 0x38) 23:27:57 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x4, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:57 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:57 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x6, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:57 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000005", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:58 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x97, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:58 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:58 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x60}}, 0x38) 23:27:58 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000006", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:58 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0xb, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:58 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:58 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x11, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:58 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:58 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:58 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x1f4}}, 0x38) 23:27:58 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:58 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x21, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:59 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x98, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:27:59 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:59 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:59 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x3e8}}, 0x38) 23:27:59 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x29, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:27:59 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:27:59 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x600}}, 0x38) 23:27:59 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:59 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:27:59 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x2b, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 516.459241][T19663] net_ratelimit: 13 callbacks suppressed [ 516.459251][T19663] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 516.477959][T19664] dccp_v6_rcv: dropped packet with invalid checksum 23:27:59 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x700}}, 0x38) 23:27:59 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x2c, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:00 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x99, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:00 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:00 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:00 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x900}}, 0x38) 23:28:00 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x2f, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:00 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 517.444237][T19693] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 517.447953][T19694] dccp_v6_rcv: dropped packet with invalid checksum 23:28:00 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x33, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:00 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:00 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xa00}}, 0x38) 23:28:00 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 517.688443][T19708] dccp_v6_rcv: dropped packet with invalid checksum 23:28:01 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3b, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:01 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 517.819958][T19714] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 518.007372][T19720] dccp_v6_rcv: dropped packet with invalid checksum 23:28:01 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x9a, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:01 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xe00}}, 0x38) 23:28:01 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:01 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3c, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:01 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:01 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100), 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 518.751283][T19739] dccp_v6_rcv: dropped packet with invalid checksum [ 518.762079][T19742] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:02 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x1100}}, 0x38) 23:28:02 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:02 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:02 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 518.991643][T19756] dccp_v6_rcv: dropped packet with invalid checksum 23:28:02 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x2100}}, 0x38) 23:28:02 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x2, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:03 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x9b, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:03 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:03 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:03 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x2f00}}, 0x38) 23:28:03 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x3, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:03 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100), 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:03 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x3a00}}, 0x38) 23:28:03 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:03 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x6, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:03 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:03 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100), 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:03 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x6000}}, 0x38) 23:28:04 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x9c, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:04 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x7, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:04 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:04 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:04 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xe803}}, 0x38) 23:28:04 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(0xffffffffffffffff, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:04 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xf401}}, 0x38) 23:28:04 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(0xffffffffffffffff, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:04 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x8, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:04 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:04 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:04 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(0xffffffffffffffff, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:05 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x9d, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:05 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:05 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x60, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:05 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:05 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x1000000}}, 0x38) 23:28:05 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 522.003568][T19878] net_ratelimit: 11 callbacks suppressed [ 522.003577][T19878] dccp_v6_rcv: dropped packet with invalid checksum [ 522.022007][T19879] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:05 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x2000000}}, 0x38) 23:28:05 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0xfc, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:05 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:05 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:05 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:05 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0xff, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 522.272226][T19896] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 522.317360][T19902] dccp_v6_rcv: dropped packet with invalid checksum 23:28:06 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x9e, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:06 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:06 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x4000000}}, 0x38) 23:28:06 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "0000ac", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:06 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:06 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 522.959388][T19923] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 522.990516][T19927] dccp_v6_rcv: dropped packet with invalid checksum 23:28:06 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(0xffffffffffffffff, r3, 0x0, 0x80001d00c0d0) 23:28:06 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x6000000}}, 0x38) 23:28:06 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:06 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:06 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 523.236214][T19940] dccp_v6_rcv: dropped packet with invalid checksum 23:28:06 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x7000000}}, 0x38) [ 523.322139][T19947] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:07 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x9f, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:07 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:07 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:07 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(0xffffffffffffffff, r3, 0x0, 0x80001d00c0d0) 23:28:07 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:07 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x9000000}}, 0x38) [ 523.951763][T19966] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 523.954063][T19967] dccp_v6_rcv: dropped packet with invalid checksum 23:28:07 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xa000000}}, 0x38) 23:28:07 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:07 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:07 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:07 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(0xffffffffffffffff, r3, 0x0, 0x80001d00c0d0) 23:28:07 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xe000000}}, 0x38) 23:28:08 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xa0, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:08 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:08 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:08 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "00ffff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:08 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x11000000}}, 0x38) 23:28:08 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, 0xffffffffffffffff, 0x0, 0x80001d00c0d0) 23:28:08 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:08 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:08 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000002", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:08 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x21000000}}, 0x38) 23:28:08 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, 0xffffffffffffffff, 0x0, 0x80001d00c0d0) 23:28:08 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000003", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:09 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xa1, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:09 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x2f000000}}, 0x38) 23:28:09 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:09 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:09 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000004", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:09 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, 0xffffffffffffffff, 0x0, 0x80001d00c0d0) 23:28:09 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000005", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:09 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:09 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x3a000000}}, 0x38) 23:28:09 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:09 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x0) 23:28:09 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:10 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xa2, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:10 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x60000000}}, 0x38) 23:28:10 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:10 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000006", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:10 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:10 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x0) 23:28:10 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 527.117481][T20105] net_ratelimit: 11 callbacks suppressed [ 527.117491][T20105] dccp_v6_rcv: dropped packet with invalid checksum [ 527.137984][T20110] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:10 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x84ffffff}}, 0x38) 23:28:10 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:10 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00\a', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:10 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x0) 23:28:10 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 527.423168][T20126] dccp_v6_rcv: dropped packet with invalid checksum [ 527.464819][T20128] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:11 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xa3, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:11 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x88ffffff}}, 0x38) 23:28:11 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:11 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00\b', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:11 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, 0xffffffffffffffff, 0x0, 0x80001d00c0d0) 23:28:11 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 528.089175][T20151] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 528.107666][T20152] dccp_v6_rcv: dropped packet with invalid checksum 23:28:11 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:11 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:11 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00\t', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:11 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x97ffffff}}, 0x38) 23:28:11 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(0xffffffffffffffff, r3, 0x0, 0x80001d00c0d0) [ 528.340843][T20169] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 528.349533][T20173] dccp_v6_rcv: dropped packet with invalid checksum 23:28:11 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xe8030000}}, 0x38) [ 528.401336][T20169] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:12 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xa4, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:12 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:12 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:12 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000011", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:12 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xf4010000}}, 0x38) 23:28:12 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(0xffffffffffffffff, r3, 0x0, 0x80001d00c0d0) [ 529.068994][T20197] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:12 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:12 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:12 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xffffff84}}, 0x38) 23:28:12 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00!', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:12 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:12 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:13 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xa5, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:13 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:13 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x009', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:13 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xffffff88}}, 0x38) 23:28:13 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:13 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100), 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:13 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:13 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xffffff97}}, 0x38) 23:28:13 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00H', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:13 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:13 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xffffffff}}, 0x38) 23:28:13 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00L', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:14 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xa6, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:14 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:14 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:14 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:28:14 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00`', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:14 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100), 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:15 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:15 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x2}}, 0x38) 23:28:15 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:15 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00h', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:15 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:15 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, &(0x7f0000000100), 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 532.166785][T20314] net_ratelimit: 13 callbacks suppressed [ 532.166794][T20314] dccp_v6_rcv: dropped packet with invalid checksum [ 532.220878][T20314] dccp_v6_rcv: dropped packet with invalid checksum 23:28:16 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xa7, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:16 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00l', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:16 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:16 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x4}}, 0x38) 23:28:16 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:16 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 532.865351][T20335] dccp_v6_rcv: dropped packet with invalid checksum [ 532.884818][T20337] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:16 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:16 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x6}}, 0x38) [ 532.960324][T20337] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:16 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:16 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00t', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:16 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 533.158909][T20353] dccp_v6_rcv: dropped packet with invalid checksum [ 533.228982][T20357] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:16 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x7}}, 0x38) 23:28:17 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xa8, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:17 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:17 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00z', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:17 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:17 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x9}}, 0x38) 23:28:17 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 534.166879][T20385] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 534.176592][T20388] dccp_v6_rcv: dropped packet with invalid checksum [ 534.208913][T20388] dccp_v6_rcv: dropped packet with invalid checksum 23:28:17 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xa}}, 0x38) 23:28:17 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:17 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:17 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:17 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xe}}, 0x38) 23:28:17 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:18 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xa9, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:18 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:18 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:18 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x11}}, 0x38) 23:28:18 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "0000ff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:18 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:18 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:18 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:18 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:18 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x21}}, 0x38) 23:28:19 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "0000ff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:19 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:19 executing program 5: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:19 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:19 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xaa, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:19 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x2f}}, 0x38) 23:28:19 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:19 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:19 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:19 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:19 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "0000ef", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:19 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x3a}}, 0x38) 23:28:19 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "00008d", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:20 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:20 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x60}}, 0x38) 23:28:20 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "0000f0", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:20 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:20 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "0000f5", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:20 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xab, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:20 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x1f4}}, 0x38) 23:28:20 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:20 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 537.458160][T20524] net_ratelimit: 17 callbacks suppressed [ 537.458177][T20524] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 537.461803][T20525] dccp_v6_rcv: dropped packet with invalid checksum 23:28:20 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:20 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x3e8}}, 0x38) 23:28:20 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:20 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:21 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:21 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 537.730965][T20542] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 537.761910][T20544] dccp_v6_rcv: dropped packet with invalid checksum 23:28:21 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:21 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x600}}, 0x38) 23:28:21 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 537.981350][T20557] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 538.062316][T20560] dccp_v6_rcv: dropped packet with invalid checksum 23:28:21 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x700}}, 0x38) 23:28:21 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:21 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xac, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:21 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:21 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:21 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 538.600291][T20575] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 538.614449][T20578] dccp_v6_rcv: dropped packet with invalid checksum 23:28:22 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:22 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:22 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:22 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x900}}, 0x38) 23:28:22 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 538.830090][T20590] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 538.867628][T20593] dccp_v6_rcv: dropped packet with invalid checksum 23:28:22 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r2, 0x84, 0x72, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:22 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:22 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xa00}}, 0x38) 23:28:22 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xad, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:22 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:22 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:22 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:22 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xe00}}, 0x38) 23:28:22 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:23 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:23 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x1100}}, 0x38) 23:28:23 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:23 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:23 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:23 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x2100}}, 0x38) 23:28:24 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xae, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:24 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:24 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:24 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x2f00}}, 0x38) 23:28:24 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:24 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:24 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x3a00}}, 0x38) 23:28:24 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:24 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:24 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:24 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x6000}}, 0x38) 23:28:24 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:25 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xaf, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:25 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:25 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:25 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xe803}}, 0x38) 23:28:25 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:25 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:25 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xf401}}, 0x38) 23:28:25 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:25 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:25 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:26 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x1000000}}, 0x38) [ 542.688362][T20742] net_ratelimit: 16 callbacks suppressed [ 542.688373][T20742] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 542.708962][T20743] dccp_v6_rcv: dropped packet with invalid checksum [ 542.767804][T20743] dccp_v6_rcv: dropped packet with invalid checksum 23:28:26 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:26 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xb0, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:26 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:26 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00\t', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:26 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x2000000}}, 0x38) 23:28:26 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:26 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 543.676839][T20773] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 543.735297][T20780] dccp_v6_rcv: dropped packet with invalid checksum 23:28:27 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:27 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x4000000}}, 0x38) 23:28:27 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00\x00\t', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 543.787994][T20780] dccp_v6_rcv: dropped packet with invalid checksum 23:28:27 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:27 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:27 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 543.966954][T20789] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 544.030268][T20796] dccp_v6_rcv: dropped packet with invalid checksum 23:28:27 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xb1, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:27 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x6000000}}, 0x38) 23:28:27 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:27 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:27 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:27 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 544.618391][T20819] dccp_v6_rcv: dropped packet with invalid checksum [ 544.629927][T20818] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:28 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:28 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "000084", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:28 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:28 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x7000000}}, 0x38) 23:28:28 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:28 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:29 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xb2, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:29 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:29 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:29 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x9000000}}, 0x38) 23:28:29 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:29 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:29 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:29 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xa000000}}, 0x38) 23:28:29 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:29 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:29 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:29 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:30 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xb3, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:30 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xe000000}}, 0x38) 23:28:30 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:30 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:30 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:30 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:30 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:30 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:30 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:30 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x11000000}}, 0x38) 23:28:30 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(0xffffffffffffffff, 0x200004) sendfile(r1, 0xffffffffffffffff, 0x0, 0x80001d00c0d0) 23:28:30 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:31 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xb4, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:31 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:31 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:31 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(0xffffffffffffffff, 0x200004) sendfile(r1, 0xffffffffffffffff, 0x0, 0x80001d00c0d0) 23:28:31 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x21000000}}, 0x38) 23:28:31 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 548.159431][T20949] net_ratelimit: 16 callbacks suppressed [ 548.159444][T20949] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 548.164120][T20950] dccp_v6_rcv: dropped packet with invalid checksum 23:28:31 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(0xffffffffffffffff, 0x200004) sendfile(r1, 0xffffffffffffffff, 0x0, 0x80001d00c0d0) 23:28:31 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:31 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:31 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:31 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x2f000000}}, 0x38) [ 548.394383][T20966] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 548.438476][T20971] dccp_v6_rcv: dropped packet with invalid checksum 23:28:31 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:32 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xb5, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:32 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:32 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:32 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:32 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x3a000000}}, 0x38) 23:28:32 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 549.059919][T20999] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 549.067086][T21001] dccp_v6_rcv: dropped packet with invalid checksum 23:28:32 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:32 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:32 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x60000000}}, 0x38) 23:28:32 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:32 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 549.323116][T21015] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 549.332547][T21014] dccp_v6_rcv: dropped packet with invalid checksum 23:28:32 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 549.548880][T21027] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:33 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xb6, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:33 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x84ffffff}}, 0x38) 23:28:33 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:33 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:33 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:33 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 549.974921][T21042] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:33 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:33 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:33 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:33 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x88ffffff}}, 0x38) 23:28:33 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:33 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:34 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xb7, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:34 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x97ffffff}}, 0x38) 23:28:34 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:34 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:34 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:34 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:34 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:34 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:34 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:34 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xe8030000}}, 0x38) 23:28:34 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:34 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:35 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xb8, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:35 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "0000ff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:35 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:35 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xf4010000}}, 0x38) 23:28:35 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:35 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:35 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:35 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x3, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:35 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffff84}}, 0x38) 23:28:35 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:35 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:35 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:36 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xb9, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:36 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0xb, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:36 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:36 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffff88}}, 0x38) 23:28:36 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:36 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 553.229842][T21193] net_ratelimit: 14 callbacks suppressed [ 553.229851][T21193] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:36 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:36 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x10, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:36 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:36 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:36 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffff97}}, 0x38) 23:28:36 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x49, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 553.517423][T21213] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:37 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:37 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:37 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xba, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:37 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0xffffffff}}, 0x38) 23:28:37 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(r1, r2, 0x0, 0x80001d00c0d0) 23:28:37 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x4, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 554.289187][T21239] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:37 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x6, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:37 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:28:37 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:37 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:37 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(r1, r2, 0x0, 0x80001d00c0d0) 23:28:37 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x11, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 554.603217][T21258] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:38 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:38 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x2}}, 0x38) 23:28:38 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xbb, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:38 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(r1, r2, 0x0, 0x80001d00c0d0) 23:28:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "0000ff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:38 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x29, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:38 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:38 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x4}}, 0x38) [ 555.343675][T21286] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:38 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:38 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x6}}, 0x38) 23:28:38 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x2b, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:39 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x7}}, 0x38) 23:28:39 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 555.782027][T21307] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:39 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xbc, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:39 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x2c, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:39 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:39 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x9}}, 0x38) 23:28:39 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:39 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 556.504808][T21329] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:39 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:39 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0xa}}, 0x38) 23:28:39 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x2f, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:39 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "0000ff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:40 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:40 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 556.828938][T21352] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:40 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xbd, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:40 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0xe}}, 0x38) 23:28:40 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x33, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:40 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:40 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:40 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 557.565555][T21375] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:41 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x3a, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:41 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:41 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x11}}, 0x38) 23:28:41 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "00008d", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:41 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) close(0xffffffffffffffff) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(0xffffffffffffffff, r2, 0x0, 0x80001d00c0d0) 23:28:41 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x21}}, 0x38) [ 557.870911][T21394] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:41 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:41 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x3b, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:41 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xbe, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:41 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "0000f5", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:41 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) close(0xffffffffffffffff) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(0xffffffffffffffff, r2, 0x0, 0x80001d00c0d0) 23:28:41 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x2f}}, 0x38) [ 558.576364][T21420] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:41 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:41 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x3c, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:42 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x3a}}, 0x38) 23:28:42 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:42 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) close(0xffffffffffffffff) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(0xffffffffffffffff, r2, 0x0, 0x80001d00c0d0) [ 558.786078][T21434] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:42 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:42 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x49, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:42 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x60}}, 0x38) 23:28:42 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xbf, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:42 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:42 executing program 5: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(r0, r2, 0x0, 0x80001d00c0d0) 23:28:42 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:42 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:42 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x1f4}}, 0x38) [ 559.626292][T21478] dccp_v6_rcv: dropped packet with invalid checksum [ 559.636347][T21477] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:43 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:43 executing program 5: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(r0, r2, 0x0, 0x80001d00c0d0) [ 559.718547][T21477] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:43 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x3e8}}, 0x38) 23:28:43 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x2, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 559.905477][T21496] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 559.922941][T21494] dccp_v6_rcv: dropped packet with invalid checksum 23:28:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 560.102857][T21502] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:43 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x600}}, 0x38) 23:28:43 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:43 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xc0, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:43 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x3, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:43 executing program 5: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(r0, r2, 0x0, 0x80001d00c0d0) 23:28:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 560.422997][T21516] dccp_v6_rcv: dropped packet with invalid checksum [ 560.432373][T21519] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:43 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x700}}, 0x38) 23:28:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:43 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:43 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x4, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:44 executing program 5: fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(r0, r2, 0x0, 0x80001d00c0d0) 23:28:44 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x5, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:44 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:44 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x900}}, 0x38) 23:28:44 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x6, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:44 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:44 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xc1, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:44 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:44 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0xa00}}, 0x38) 23:28:44 executing program 5: fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(r0, r2, 0x0, 0x80001d00c0d0) 23:28:45 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:45 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x7, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:45 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:45 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0xe00}}, 0x38) 23:28:45 executing program 5: fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(r0, r2, 0x0, 0x80001d00c0d0) 23:28:45 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x1100}}, 0x38) 23:28:45 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:45 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x8, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:45 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xc2, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:45 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:45 executing program 5: r0 = perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:45 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:45 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x11, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:45 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x2100}}, 0x38) 23:28:46 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x21, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:46 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:46 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x2f00}}, 0x38) 23:28:46 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:46 executing program 5: r0 = perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:46 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x3a00}}, 0x38) 23:28:46 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xc3, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:46 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x39, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:46 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:46 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:46 executing program 5: r0 = perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:46 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x6000}}, 0x38) [ 563.717066][T21664] net_ratelimit: 16 callbacks suppressed [ 563.717076][T21664] dccp_v6_rcv: dropped packet with invalid checksum [ 563.738491][T21666] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:47 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 563.785433][T21666] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:47 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0xe803}}, 0x38) 23:28:47 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x48, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:47 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:47 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:47 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 563.990164][T21684] dccp_v6_rcv: dropped packet with invalid checksum [ 564.048329][T21687] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 564.112909][T21687] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:48 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xc4, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:48 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0xf401}}, 0x38) 23:28:48 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x4c, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:48 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:48 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:48 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 564.763552][T21713] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 564.771458][T21716] dccp_v6_rcv: dropped packet with invalid checksum 23:28:48 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0xffff}}, 0x38) 23:28:48 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:48 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x60, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:48 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:48 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 564.997372][T21728] dccp_v6_rcv: dropped packet with invalid checksum [ 565.035076][T21734] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:48 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x68, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:48 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xc5, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:48 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:48 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0xf5}}, 0x38) 23:28:48 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:48 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:48 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x6c, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:49 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x74, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:49 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:49 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:49 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0xf6}}, 0x38) 23:28:49 executing program 5: r0 = 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, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:49 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:49 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xc6, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:49 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x7a, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:49 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:49 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0xfff5}}, 0x38) 23:28:49 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:49 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:50 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:50 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0xff, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:50 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0xfff6}}, 0x38) 23:28:50 executing program 5: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(r0, r2, 0x0, 0x80001d00c0d0) 23:28:50 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:50 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xc7, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:50 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:50 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:28:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:50 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:50 executing program 5: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(r0, r2, 0x0, 0x80001d00c0d0) 23:28:51 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x2}}, 0x38) 23:28:51 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:51 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:51 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:51 executing program 5: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(r0, r2, 0x0, 0x80001d00c0d0) 23:28:51 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x4}}, 0x38) 23:28:51 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xc8, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:51 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:51 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:51 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:51 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x0) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:51 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x6}}, 0x38) [ 568.747420][T21894] net_ratelimit: 15 callbacks suppressed [ 568.747432][T21894] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 568.765651][T21896] dccp_v6_rcv: dropped packet with invalid checksum 23:28:52 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:52 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x7}}, 0x38) [ 568.823501][T21894] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:52 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:52 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:52 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x0) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:52 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 569.017774][T21913] dccp_v6_rcv: dropped packet with invalid checksum [ 569.079505][T21918] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:52 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xc9, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:52 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x9}}, 0x38) 23:28:52 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x49, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:52 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x0) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:52 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:52 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:53 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 569.722749][T21940] dccp_v6_rcv: dropped packet with invalid checksum [ 569.745734][T21944] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:53 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0xa}}, 0x38) [ 569.823835][T21944] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:53 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:53 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:53 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x0, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:53 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 570.019780][T21963] dccp_v6_rcv: dropped packet with invalid checksum [ 570.026936][T21964] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:28:53 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xca, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:53 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0xe}}, 0x38) 23:28:53 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:53 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:53 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:53 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x0, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:54 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:54 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, "0000ff", 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:54 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:54 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x11}}, 0x38) 23:28:54 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x0, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:54 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:54 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xcb, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:54 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x21}}, 0x38) 23:28:54 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x3, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:54 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:54 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(0xffffffffffffffff) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:54 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:55 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:55 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0xb, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:55 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x2f}}, 0x38) 23:28:55 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:55 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(0xffffffffffffffff) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:55 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:55 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xcc, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:55 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x3a}}, 0x38) 23:28:55 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x10, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:55 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:55 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:55 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(0xffffffffffffffff) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:55 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:55 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x63, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:56 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:56 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x60}}, 0x38) 23:28:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x4, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:56 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xcd, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:56 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x21, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:56 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x1f4}}, 0x38) 23:28:56 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x6, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:56 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x11, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:56 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x39, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:56 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:56 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x3e8}}, 0x38) 23:28:57 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:57 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x29, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:57 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xce, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:57 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:57 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x48, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:57 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x600}}, 0x38) 23:28:57 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x2b, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:57 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 574.562410][T22175] net_ratelimit: 17 callbacks suppressed [ 574.562419][T22175] dccp_v6_rcv: dropped packet with invalid checksum 23:28:57 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:57 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x700}}, 0x38) 23:28:57 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x4c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:57 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x2c, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 574.770553][T22190] dccp_v6_rcv: dropped packet with invalid checksum 23:28:58 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x900}}, 0x38) 23:28:58 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:58 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xcf, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:58 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x60, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:58 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:58 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x2f, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:58 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0xa00}}, 0x38) 23:28:58 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 575.506602][T22223] dccp_v6_rcv: dropped packet with invalid checksum 23:28:58 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:58 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x33, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:58 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x68, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:58 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0xe00}}, 0x38) 23:28:58 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:59 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x3a, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 575.790783][T22245] dccp_v6_rcv: dropped packet with invalid checksum 23:28:59 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xd0, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:28:59 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:59 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x1100}}, 0x38) 23:28:59 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(0xffffffffffffffff, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:59 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x6c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:59 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x3b, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 576.433370][T22270] dccp_v6_rcv: dropped packet with invalid checksum 23:28:59 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x3c, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:28:59 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x2100}}, 0x38) 23:28:59 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:28:59 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, 0x0, 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:28:59 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x74, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:00 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x63, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 576.703727][T22289] dccp_v6_rcv: dropped packet with invalid checksum [ 576.791589][T22289] dccp_v6_rcv: dropped packet with invalid checksum 23:29:00 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xd1, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:00 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:00 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x2f00}}, 0x38) 23:29:00 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, 0x0, 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:00 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x7a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:00 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 577.372765][T22309] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 577.405386][T22312] dccp_v6_rcv: dropped packet with invalid checksum 23:29:00 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:00 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x3a00}}, 0x38) 23:29:00 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:00 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x2, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 577.661183][T22326] dccp_v6_rcv: dropped packet with invalid checksum 23:29:01 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:01 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, 0x0, 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:01 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xd2, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:01 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x3, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:01 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x6000}}, 0x38) 23:29:01 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:01 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:01 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4), 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:01 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0xe803}}, 0x38) 23:29:01 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x4, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:01 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:01 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:01 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4), 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:02 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:02 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xd3, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:02 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x5, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:02 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0xf401}}, 0x38) 23:29:02 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:02 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4), 0x0) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:02 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:02 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:02 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0xffff}}, 0x38) 23:29:02 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:02 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x6, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:03 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) [ 579.702296][T22425] net_ratelimit: 8 callbacks suppressed [ 579.702304][T22425] dccp_v6_rcv: dropped packet with invalid checksum [ 579.758667][T22430] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:03 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 579.801284][T22430] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 579.931522][T22437] dccp_v6_rcv: dropped packet with invalid checksum [ 579.949413][T22437] dccp_v6_rcv: dropped packet with invalid checksum 23:29:03 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x0, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:03 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:03 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xd4, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:03 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x7, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:03 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x2}}, 0x38) 23:29:03 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:03 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x2}, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 580.426740][T22452] dccp_v6_rcv: dropped packet with invalid checksum [ 580.452949][T22455] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:03 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 580.510544][T22455] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:03 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x4}}, 0x38) 23:29:03 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x0, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:03 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x8, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 580.600213][T22467] dccp_v6_rcv: dropped packet with invalid checksum 23:29:03 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x3}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:04 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 580.757341][T22477] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:04 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x6}}, 0x38) 23:29:04 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xd5, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:04 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x0, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:04 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x6}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:04 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:04 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x9, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:04 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x7}}, 0x38) 23:29:04 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x21, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:04 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x7}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:04 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x11, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:04 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x9}}, 0x38) 23:29:05 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:05 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x8}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:05 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xd6, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:05 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x39, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:05 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x21, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:05 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0xa}}, 0x38) 23:29:05 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:05 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x60}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:05 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0xe}}, 0x38) 23:29:05 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x39, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:05 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(0xffffffffffffffff, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:06 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfc}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:06 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x48, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:06 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x11}}, 0x38) 23:29:06 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xd7, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:06 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x48, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:06 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x300}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:06 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x4c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:06 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, 0x0, 0x0) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:06 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x21}}, 0x38) 23:29:06 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x4c, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:06 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, 0x0, 0x0) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:06 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x2f}}, 0x38) 23:29:06 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x60, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:06 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x600}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:07 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, 0x0, 0x0) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:07 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xd8, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:07 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x700}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:07 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x60, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:07 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x68, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:07 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x3a}}, 0x38) 23:29:07 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x0, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:07 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x60}}, 0x38) 23:29:07 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x4000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:07 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x68, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:07 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x6c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:07 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x0, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:07 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x1f4}}, 0x38) 23:29:08 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xd9, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:08 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x6c, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:08 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x6000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:08 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x74, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:08 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x0, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:08 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x3e8}}, 0x38) [ 585.328385][T22691] net_ratelimit: 21 callbacks suppressed [ 585.328392][T22691] dccp_v6_rcv: dropped packet with invalid checksum [ 585.368669][T22694] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:08 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(0x0, 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:08 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x600}}, 0x38) 23:29:08 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x7a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:08 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x80fe}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:08 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x74, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 585.537007][T22706] dccp_v6_rcv: dropped packet with invalid checksum 23:29:08 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(0x0, 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 585.635887][T22715] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:09 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xda, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:09 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x700}}, 0x38) 23:29:09 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:09 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x7a, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:09 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xc0fe}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:09 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(0x0, 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 586.380862][T22742] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:09 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfc00}, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 586.423400][T22748] dccp_v6_rcv: dropped packet with invalid checksum 23:29:09 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x900}}, 0x38) 23:29:09 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0xff, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:09 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:09 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:09 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfe80}, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 586.591741][T22756] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 586.693674][T22763] dccp_v6_rcv: dropped packet with invalid checksum 23:29:10 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xdb, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:10 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:10 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0xa00}}, 0x38) 23:29:10 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:10 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:10 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfec0}, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 587.213991][T22792] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 587.228298][T22791] dccp_v6_rcv: dropped packet with invalid checksum 23:29:10 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x0, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:10 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xff00}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:10 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0xe00}}, 0x38) 23:29:10 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:10 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:10 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x1000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:11 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xdc, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:11 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x1100}}, 0x38) 23:29:11 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:11 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:11 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:11 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x2000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:11 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x2100}}, 0x38) 23:29:11 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:11 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x3000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:11 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:11 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:11 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x2f00}}, 0x38) 23:29:12 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xdd, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:12 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x63, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:12 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x6000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:12 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:12 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x3a00}}, 0x38) 23:29:12 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, 0x0, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:12 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:12 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:12 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x7000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:12 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x6000}}, 0x38) 23:29:12 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100), 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:12 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0xe803}}, 0x38) 23:29:13 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xde, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:13 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:13 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:13 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x8000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:13 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0xf401}}, 0x38) 23:29:13 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100), 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:13 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:13 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0xffff}}, 0x38) 23:29:13 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x11, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:13 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x40000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 590.380546][T22937] net_ratelimit: 18 callbacks suppressed [ 590.380558][T22937] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 590.399385][T22938] dccp_v6_rcv: dropped packet with invalid checksum 23:29:13 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:13 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100), 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 590.653097][T22953] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:14 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xdf, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:14 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x21, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:14 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:29:14 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x60000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:14 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:14 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(0xffffffffffffffff, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:14 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x8dffffff}, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 591.264043][T22973] dccp_v6_rcv: dropped packet with invalid checksum [ 591.301305][T22978] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:14 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x39, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 591.373860][T22978] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:14 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(0xffffffffffffffff, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:14 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x2}}, 0x38) 23:29:14 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:14 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xf5ffffff}, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 591.509454][T22989] dccp_v6_rcv: dropped packet with invalid checksum [ 591.600570][T23000] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:15 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xe0, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:15 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x48, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:15 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x4}}, 0x38) 23:29:15 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(0xffffffffffffffff, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:15 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:15 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfc000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 592.269962][T23022] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 592.283510][T23026] dccp_v6_rcv: dropped packet with invalid checksum 23:29:15 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x6}}, 0x38) 23:29:15 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:15 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfe800000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:15 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x4c, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:15 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:15 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfec00000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:16 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xe1, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:16 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x7}}, 0x38) 23:29:16 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x60, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:16 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:16 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:16 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfeffffff}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:16 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:16 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x9}}, 0x38) 23:29:16 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x68, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:16 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xff000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:16 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x0) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:16 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x21, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:17 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xe2, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:17 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x6c, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:17 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0xa}}, 0x38) 23:29:17 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xffffff8d}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:17 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(0xffffffffffffffff, r3, 0x0, 0x80001d00c0d0) 23:29:17 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x39, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:17 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfffffff5}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:17 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x48, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:17 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x74, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:17 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0xe}}, 0x38) 23:29:17 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(0xffffffffffffffff, r3, 0x0, 0x80001d00c0d0) 23:29:17 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfffffffe}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:18 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xe3, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:18 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x7a, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:18 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x4c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:18 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x11}}, 0x38) 23:29:18 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(0xffffffffffffffff, r3, 0x0, 0x80001d00c0d0) 23:29:18 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x100000000000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:18 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0xff, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:18 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x60, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:18 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x200000000000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:18 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x21}}, 0x38) 23:29:18 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, 0xffffffffffffffff, 0x0, 0x80001d00c0d0) [ 595.473420][T23176] net_ratelimit: 14 callbacks suppressed [ 595.473427][T23176] dccp_v6_rcv: dropped packet with invalid checksum [ 595.498614][T23180] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 595.559967][T23176] dccp_v6_rcv: dropped packet with invalid checksum 23:29:18 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x300000000000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:19 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xe4, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:19 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x2f}}, 0x38) 23:29:19 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, 0xffffffffffffffff, 0x0, 0x80001d00c0d0) 23:29:19 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x68, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:19 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:19 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x600000000000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 596.282473][T23210] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:19 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x700000000000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 596.331652][T23215] dccp_v6_rcv: dropped packet with invalid checksum 23:29:19 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x6c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:19 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x3a}}, 0x38) 23:29:19 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:19 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, 0xffffffffffffffff, 0x0, 0x80001d00c0d0) 23:29:19 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x74, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 596.461812][T23226] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 596.585585][T23233] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 596.602974][T23235] dccp_v6_rcv: dropped packet with invalid checksum [ 596.660068][T23235] dccp_v6_rcv: dropped packet with invalid checksum 23:29:20 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xe5, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:20 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x800000000000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:20 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x60}}, 0x38) 23:29:20 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x0) 23:29:20 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x7a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:20 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 597.293866][T23259] dccp_v6_rcv: dropped packet with invalid checksum 23:29:20 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:20 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:20 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x4000000000000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:20 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x1f4}}, 0x38) 23:29:20 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x0) 23:29:20 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:21 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xe6, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:21 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:21 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x3e8}}, 0x38) 23:29:21 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x6000000000000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:21 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x0) 23:29:21 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:21 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x8dffffff00000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:21 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:21 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:21 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x600}}, 0x38) 23:29:21 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x0) 23:29:21 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xf5ffffff00000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:22 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xe7, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:22 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:22 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:22 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x700}}, 0x38) 23:29:22 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfc00000000000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:22 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, 0xffffffffffffffff, 0x0, 0x80001d00c0d0) 23:29:22 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x11, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:22 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:22 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfe80000000000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:22 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x900}}, 0x38) 23:29:22 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(0xffffffffffffffff, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:22 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:23 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xe8, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:23 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfec0000000000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:23 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0xa00}}, 0x38) 23:29:23 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x21, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:23 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:23 executing program 5: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xde, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:23 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:23 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfeffffff00000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:23 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x39, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:23 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0xe00}}, 0x38) 23:29:23 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xff00000000000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:23 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 600.545321][T23421] net_ratelimit: 17 callbacks suppressed [ 600.545330][T23421] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:24 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xe9, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:24 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x48, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:24 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x1100}}, 0x38) 23:29:24 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xffffffff00000000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:24 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:24 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100), 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 601.333650][T23443] dccp_v6_rcv: dropped packet with invalid checksum [ 601.345700][T23447] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:24 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xffffffffffffffff}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:24 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x2100}}, 0x38) 23:29:24 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x4c, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:24 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x11, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 601.614166][T23467] dccp_v6_rcv: dropped packet with invalid checksum [ 601.627337][T23468] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:25 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x60, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:25 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x2f00}}, 0x38) [ 601.785744][T23472] dccp_v6_rcv: dropped packet with invalid checksum 23:29:25 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xea, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:25 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x0, 0x2}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:25 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x21, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:25 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100), 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:25 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x3a00}}, 0x38) 23:29:25 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x68, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 602.347769][T23497] dccp_v6_rcv: dropped packet with invalid checksum [ 602.373527][T23503] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:25 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x0, 0x3}, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 602.428329][T23497] dccp_v6_rcv: dropped packet with invalid checksum 23:29:25 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x6000}}, 0x38) 23:29:25 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x6c, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:25 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x39, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:26 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0xe803}}, 0x38) 23:29:26 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x0, 0x4}, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 602.703968][T23517] dccp_v6_rcv: dropped packet with invalid checksum 23:29:26 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xeb, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:26 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100), 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:26 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x74, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:26 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x48, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:26 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0xf401}}, 0x38) 23:29:26 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x0, 0x5}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:26 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x0, 0x6}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:26 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0xffff}}, 0x38) 23:29:26 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x7a, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:26 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x4c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:26 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x0, 0x8}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:27 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0xff, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:27 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x60, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:27 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:29:27 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x0, 0xb}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:27 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xec, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:27 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100), 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:27 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:27 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:27 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x0, 0x1b6}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:27 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x2}}, 0x38) 23:29:27 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x68, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:28 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x0, 0x30b}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:28 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x4}}, 0x38) 23:29:28 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:28 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x6c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:28 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0x0, 0xf000}, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:28 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xed, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:28 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:28 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x74, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:28 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x6}}, 0x38) 23:29:28 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "060c68dee3b1caad"}}}}}}}, 0x0) 23:29:28 executing program 5: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback={0xfc00}, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 605.666232][T23645] net_ratelimit: 14 callbacks suppressed [ 605.666241][T23645] dccp_v6_rcv: dropped packet with invalid checksum [ 605.685796][T23649] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:29 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x7a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:29 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(0x0, 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:29 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "080c68dee3b1caad"}}}}}}}, 0x0) 23:29:29 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:29 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x7}}, 0x38) [ 605.837087][T23657] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 605.890361][T23663] dccp_v6_rcv: dropped packet with invalid checksum 23:29:29 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "0b0c68dee3b1caad"}}}}}}}, 0x0) 23:29:29 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xee, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:29 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:29 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:29 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(0x0, 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:29 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x9}}, 0x38) 23:29:29 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050b68dee3b1caad"}}}}}}}, 0x0) [ 606.546031][T23685] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:29 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) recvmsg$can_bcm(r3, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000140)=[{&(0x7f0000000000)=""/153, 0x99}, {&(0x7f00000002c0)=""/4096, 0x1000}, {&(0x7f0000000100)=""/46, 0x2e}], 0x3, &(0x7f00000012c0)=""/4096, 0x1000}, 0x40000040) syz_emit_ethernet(0x4e, &(0x7f0000000240)=ANY=[@ANYBLOB="bbbbfeffffffaaaaaaaaaa0086dd60d64d4d00183a00fe8000000000000000000003000000aafc0000000000000000000000000001840090780007fcfffe801e000000000000000000000000aa00"], 0x0) [ 606.592959][T23692] dccp_v6_rcv: dropped packet with invalid checksum 23:29:30 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:30 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0xa}}, 0x38) 23:29:30 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x0, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:30 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:30 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000)='/dev/input/mice\x00', 0x103881) writev(r4, &(0x7f00000012c0)=[{&(0x7f00000002c0)="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", 0x1000}, {&(0x7f0000000080)="50750993ffc3101d9b8d1320f5ce0abc1060a2c1834efb84af01acb585e3d26af4f0c7083c10085947bc6df9836efe365e14527993a2dbf4fb", 0x39}], 0x2) r5 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000)='/dev/input/mice\x00', 0x103881) writev(r5, &(0x7f0000000040), 0x55) ioctl$NS_GET_OWNER_UID(r5, 0xb704, &(0x7f0000000140)=0x0) mount$9p_fd(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='9p\x00', 0x20000, &(0x7f0000000180)={'trans=fd,', {'rfdno', 0x3d, r4}, 0x2c, {'wfdno'}, 0x2c, {[{@cache_mmap='cache=mmap'}, {@access_uid={'access', 0x3d, r6}}, {@afid={'afid', 0x3d, 0x3}}], [{@obj_role={'obj_role', 0x3d, '%*/selinuxvmnet1:'}}, {@dont_appraise='dont_appraise'}, {@fowner_lt={'fowner<', 0xee00}}, {@uid_lt={'uid<'}}]}}) write$apparmor_exec(r4, &(0x7f0000000040)={'exec ', '\x00'}, 0x6) setsockopt$inet_IP_IPSEC_POLICY(r3, 0x0, 0x10, &(0x7f0000000100)={{{@in6=@remote, @in=@multicast2, 0x4e23, 0x0, 0x4e22, 0x1, 0xa, 0x20, 0x20, 0x2f, 0x0, r6}, {0x1, 0xfffffffffffffbff, 0xffff, 0x6, 0x9, 0x3, 0x8, 0x5}, {0x29, 0x5, 0x29bab826}, 0x41528b3b, 0x6e6bb3, 0x0, 0x1, 0x2}, {{@in6=@ipv4={[], [], @dev={0xac, 0x14, 0x14, 0x20}}, 0x4d4, 0x2b}, 0x2, @in6=@private0={0xfc, 0x0, [], 0x1}, 0x3502, 0x0, 0x1, 0x80, 0x10001, 0xfffffffb, 0x5}}, 0xe8) [ 606.817009][T23703] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 606.881103][T23703] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 606.899623][T23716] dccp_v6_rcv: dropped packet with invalid checksum 23:29:30 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xef, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:30 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:30 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:30 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0xe}}, 0x38) 23:29:30 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket$nl_rdma(0x10, 0x3, 0x14) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$VIDIOC_SUBDEV_ENUM_FRAME_SIZE(r2, 0xc040564a, &(0x7f0000000000)={0x1f, 0x0, 0x200d, 0x100, 0x3, 0x6, 0x7fff, 0x1}) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r3, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) open(&(0x7f0000000040)='./file0\x00', 0x102, 0x4) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:30 executing program 5: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 607.538992][T23734] dccp_v6_rcv: dropped packet with invalid checksum 23:29:30 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x11}}, 0x38) 23:29:31 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f00000002c0)=ANY=[@ANYBLOB="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"], 0x0) 23:29:31 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x11, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:31 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x0) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:31 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:31 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:31 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x21}}, 0x38) 23:29:31 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x7d, &(0x7f0000000000)={@broadcast, @dev={[], 0x30}, @void, {@llc_tr={0x11, {@snap={0xab, 0xaa, "cb74", "619dcc", 0x600, "304a74d0b62f45ff599bcfaf17bdfbd57adfbb7822e25c6623547b03ad51153c2bd5879c68ef7fb5cf8050621465f85b6f2c3fbfce6f46cdb6fff1c62880a10d51ff2cf4036c9fc5333a8f9b98c2254420ac63b2eae90107ab8d8381ff82440ca86bb0f59589"}}}}}, 0x0) 23:29:31 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:31 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xf0, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:31 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x21, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:31 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x0) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:31 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x2f}}, 0x38) 23:29:31 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:31 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x39, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:31 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000000)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaa046035d70ab0a83ce7572be6430086dd60d64d4d00383a00fe8000000000000000000003000000aaff02000000000000000000000000000102009078000000006024004000003a00ff00000000000000000000000000000000000000000000000000000000000001050d68dee3b1caad"], 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) dup2(r2, r1) sendmmsg(r1, &(0x7f0000000400), 0x40000000000017a, 0x0) ioctl$EXT4_IOC_SWAP_BOOT(r1, 0x6611) 23:29:32 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x48, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:32 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:32 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x3a}}, 0x38) 23:29:32 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket$nl_rdma(0x10, 0x3, 0x14) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) setsockopt$inet_sctp_SCTP_HMAC_IDENT(r2, 0x84, 0x16, &(0x7f0000000000)={0x6, [0x0, 0x1, 0x742, 0x4, 0x3, 0x8]}, 0x10) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r3, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) r4 = dup2(r1, r1) setsockopt$pppl2tp_PPPOL2TP_SO_SENDSEQ(r4, 0x111, 0x3, 0x0, 0x4) ioctl$SNDCTL_DSP_CHANNELS(r2, 0xc0045006, &(0x7f0000000080)=0x9) r5 = socket$inet6(0xa, 0x2, 0x0) r6 = socket$nl_rdma(0x10, 0x3, 0x14) r7 = dup2(r6, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) ioctl$SNDRV_PCM_IOCTL_PAUSE(r7, 0x40044145, &(0x7f0000000040)=0x8000) 23:29:32 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x60}}, 0x38) 23:29:32 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xf1, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:32 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x4c, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:32 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:32 executing program 5: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(r0, r2, 0x0, 0x80001d00c0d0) 23:29:32 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x1f4}}, 0x38) 23:29:32 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) dup2(r2, r1) r3 = pidfd_getfd(0xffffffffffffffff, r2, 0x0) ioctl$KVM_IRQ_LINE(r3, 0x4008ae61, &(0x7f0000000000)={0x4, 0xfffffff7}) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:33 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x60, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:33 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x3e8}}, 0x38) 23:29:33 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:33 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)=ANY=[@ANYBLOB="ffff07bbde9bcbe88433aa0086dd60d64d4d00383a00fe8000000000000000000003000000aaff02000000000000000000000000000102009078000000006024004000003a00ff00000000000000000000000000000000000000000000000000000000000001050c68dee3b1caad"], 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) sendmsg$AUDIT_SET_FEATURE(r3, &(0x7f0000000140)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x40000}, 0xc, &(0x7f0000000100)={&(0x7f0000000080)={0x20, 0x3fa, 0x8, 0x70bd2c, 0x25dfdbfb, {0x1, 0x0, 0x1}, ["", ""]}, 0x20}, 0x1, 0x0, 0x0, 0x20040010}, 0x48010) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvme-fabrics\x00', 0x2000, 0x0) r4 = socket$inet6(0xa, 0x2, 0x0) r5 = socket$nl_rdma(0x10, 0x3, 0x14) r6 = dup2(r5, r4) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) r7 = syz_genetlink_get_family_id$tipc2(&(0x7f00000000c0)='TIPCv2\x00') r8 = socket$nl_generic(0x10, 0x3, 0x10) sendmsg$TIPC_NL_BEARER_ENABLE(r8, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000ac0)={0x14, r7, 0xc573de0d27bdfe6f, 0x0, 0x0, {0x12}}, 0x14}}, 0x0) sendmsg$TIPC_NL_MEDIA_SET(r6, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x800}, 0xc, &(0x7f00000002c0)={&(0x7f00000001c0)={0x60, r7, 0x10, 0x70bd25, 0x25dfdbfc, {}, [@TIPC_NLA_SOCK={0x20, 0x2, 0x0, 0x1, [@TIPC_NLA_SOCK_CON={0x1c, 0x3, 0x0, 0x1, [@TIPC_NLA_CON_FLAG={0x8, 0x1, 0x101}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x8}, @TIPC_NLA_CON_FLAG={0x8, 0x1, 0x8}]}]}, @TIPC_NLA_NET={0x20, 0x7, 0x0, 0x1, [@TIPC_NLA_NET_ID={0x8, 0x1, 0x2}, @TIPC_NLA_NET_ID={0x8}, @TIPC_NLA_NET_NODEID_W1={0xc, 0x4, 0xffff}]}, @TIPC_NLA_MEDIA={0xc, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'eth\x00'}]}]}, 0x60}, 0x1, 0x0, 0x0, 0x20000004}, 0x80) 23:29:33 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x600}}, 0x38) 23:29:33 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x68, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:34 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xf2, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:34 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x11, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:34 executing program 5: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:34 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0xfffffffe, @empty}, 0x1c) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) r3 = socket$inet6(0xa, 0x2, 0x0) r4 = socket$nl_rdma(0x10, 0x3, 0x14) r5 = dup2(r4, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$TIOCNXCL(r5, 0x540d) r6 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$VFIO_GET_API_VERSION(r6, 0x3b64) openat$vfio(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vfio/vfio\x00', 0x40000, 0x0) syz_emit_ethernet(0x6e, &(0x7f0000000240)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaa0086dd60d64d4f644efd133bc562260000000000000003000000aaff0200000000000000000000000000a3cc0eaa940102009078000000016024004000003a00ff007300000000000001000000000000000c68"], 0x0) 23:29:34 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x700}}, 0x38) 23:29:34 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x6c, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 610.763069][T23884] net_ratelimit: 19 callbacks suppressed [ 610.763080][T23884] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 610.770564][T23886] dccp_v6_rcv: dropped packet with invalid checksum 23:29:34 executing program 5: r0 = 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, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:34 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x21, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:34 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) bpf$OBJ_GET_MAP(0x7, &(0x7f0000000040)={&(0x7f0000000000)='./file0\x00', 0x0, 0x8}, 0x10) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$inet6(0xa, 0x2, 0x0) r3 = socket$nl_rdma(0x10, 0x3, 0x14) r4 = dup2(r3, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) accept4$ax25(r4, 0x0, &(0x7f0000000100), 0x80000) r5 = socket$nl_rdma(0x10, 0x3, 0x14) r6 = dup2(r5, r1) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$EVIOCGPROP(r6, 0x80404509, &(0x7f00000002c0)=""/4096) syz_genetlink_get_family_id$netlbl_cipso(&(0x7f0000000080)='NLBL_CIPSOv4\x00') syz_emit_ethernet(0x6e, &(0x7f0000000240)=ANY=[@ANYBLOB="ffffffffffffabaaaaaaaa0086dd60d64d4d00383a00fe8000000001000000000003000000aaff02000000000000000000000000000102009078000000006024004000003a00ff000000000000000000000000000000000000e308003f000000000000000001050c68dee3b1caad"], 0x0) 23:29:34 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x900}}, 0x38) 23:29:34 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x74, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 611.052736][T23902] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:34 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0xa00}}, 0x38) [ 611.093045][T23907] dccp_v6_rcv: dropped packet with invalid checksum [ 611.116752][T23902] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:35 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xf3, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:35 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x7a, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:35 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000040)={r4}, &(0x7f0000000140)=0x8) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r3, 0x84, 0x76, &(0x7f0000000000)={r4, 0x1}, 0x8) 23:29:35 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x39, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:35 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:35 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0xe00}}, 0x38) 23:29:35 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = dup3(0xffffffffffffffff, r3, 0x0) read$eventfd(r4, &(0x7f0000000000), 0x8) [ 611.821806][T23933] dccp_v6_rcv: dropped packet with invalid checksum [ 611.828366][T23934] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:35 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0xff, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:35 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x1100}}, 0x38) 23:29:35 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x48, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 612.040243][T23943] dccp_v6_rcv: dropped packet with invalid checksum 23:29:35 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) dup2(r2, r1) sendmmsg(r1, &(0x7f0000000400), 0x40000000000017a, 0x0) writev(r1, &(0x7f00000012c0)=[{&(0x7f0000000080)="f1e961aa656d12627382471001ee6ac12422b7a4f684", 0x16}, {&(0x7f0000000100)="31371b763a00fbe0e07f4fafa91e056d7c6e462ef757a9eded3cb0db229da840abbd14778a3a90c3455b248e332789087e3e989c91bd8511b22b96e606c76c44e144ec6f361f87b15ded", 0x4a}, {&(0x7f00000002c0)="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", 0x1000}, {&(0x7f0000000180)="cb4723d99b1874ac879be920c84e2385953e9866251f4cf94a545611d413929c33abe0c28fa29dee0ada953b83191bcd8e5ebebb6c5799ac32794bc33e13f6294daff48d4696f5bd65697a95653fe2b366be06488ad8605d2596d5fea3ce4fc2e3f8d696759f5b89b4f283cccb0ced7397c4b4f496a41290e8f04ee6fee85dec4913e766", 0x84}], 0x4) r3 = socket$inet6(0xa, 0x2, 0x0) r4 = socket$nl_rdma(0x10, 0x3, 0x14) dup2(r4, r3) sendmmsg(r3, &(0x7f0000000400), 0x40000000000017a, 0x0) r5 = socket$inet6(0xa, 0x2, 0x0) r6 = socket$nl_rdma(0x10, 0x3, 0x14) dup2(r6, r5) sendmmsg(r5, &(0x7f0000000400), 0x40000000000017a, 0x0) setsockopt$inet_sctp6_SCTP_I_WANT_MAPPED_V4_ADDR(r5, 0x84, 0xc, &(0x7f0000000040)=0x400, 0x4) ioctl$FITRIM(r3, 0xc0185879, &(0x7f0000000000)={0x2, 0x10001, 0x8}) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:35 executing program 5: r0 = perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) [ 612.152078][T23949] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:36 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xf4, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:36 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:36 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x2100}}, 0x38) 23:29:36 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x4c, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:36 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) write$FUSE_IOCTL(r3, &(0x7f0000000000)={0x20, 0x0, 0x5, {0x84cf, 0x0, 0xa9a, 0x401}}, 0x20) 23:29:36 executing program 5: fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(0xffffffffffffffff, 0x84, 0x72, &(0x7f0000000100)={0x0, 0x0, 0x20}, 0xc) ftruncate(r2, 0x200004) sendfile(r0, r2, 0x0, 0x80001d00c0d0) [ 612.898169][T23977] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:36 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:36 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaa0086dd60d64d4d00383a00fe80000000000000000000c3ec0f5f3fdc03000000aaff02000020000000000000000000000102009078000000006024004000003a00ff00000000000000000000000000000000000000000000000000000000000001050c"], 0x0) 23:29:36 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x60, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:36 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x2f00}}, 0x38) 23:29:36 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:36 executing program 5: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:37 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xf5, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:37 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e23, 0x0, @private1}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:37 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x68, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:37 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x3a00}}, 0x38) 23:29:37 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:37 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:37 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x6c, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:37 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) connect$inet6(r0, &(0x7f0000000000)={0xa, 0x4e22, 0x10000, @private1, 0xc3}, 0x1c) syz_emit_ethernet(0x249, &(0x7f00000002c0)={@broadcast, @dev, @void, {@ipv6={0x86dd, @generic={0x8, 0x6, "0ee49c", 0x213, 0xff, 0x0, @mcast1, @initdev={0xfe, 0x88, [], 0x1, 0x0}, {[@hopopts={0x62, 0x0, [], [@generic={0x2, 0x4, "bbcdd13a"}]}, @dstopts={0x33, 0x28, [], [@generic={0xfd, 0xffffffffffffff3c, "b81460d2d1c6c32d4360c5730e9f24622061b14c2d237713dae464baa037411ecd3738b024f283b143d9d7c631948f114d245beb0a98e0717e305926f378463f7ffa862eebfa5a64bd2bd786c8f8e66b940dbede67fd8c51728ae6d16f68b0be7815e3cf47c426c4cca742ecdeccf051fc1c96451a30cefde40c560b3505d4a9b71ee88d55e7f7ec35ad7fdc623ec271fcd5f84bfe8aecd02f7b3b6898e8e39a456d4c48e83a51de9f262dc529e8e689dd8c9d35f6152ef017fbc5cdb02788d6a04bb986ab0767dfc4f6436a07b1cd68761d15e536"}, @jumbo={0xc2, 0x4, 0x80000000}, @generic={0x8, 0x64, "2e6bf218f04ddf3c95c16dbf405a471000ff9293b3dd8d796ce369e5a70d28829f39deb19998ad733ad4c2955294413fcd739bb82ae0599d4f4ad63de0dbbfab744726560e6df7f9bc2542c9bccec2db49a061e1bc687f57a1d39569d2c73c11ccc1fe9f"}]}, @dstopts={0x4, 0x0, [], [@pad1]}], "807b783bbd2a7c84882e809e49eb88d2abefed3c37a58ee3e5ff7ef4c72705a7b911d94908f6d6e8481d5ce302894b0a36f59a747745bb7eba0e6dda8f6b49b3be0c5ba5b6198c16e50b4b33c6e745b1c0972dc1cfcd67c2c8620b9fe135ccb7a9c4b7f17f5c1fcce9f04a323416bf1c58bd303eb578edafe9ea1714889b10e0d7641cb6fd5ccc198e09679f81b2e5ceb256fafcf968976bf5764796436248d2a0dfcd"}}}}}, 0x0) 23:29:37 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:37 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x6000}}, 0x38) 23:29:37 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x82, &(0x7f0000000100)={@broadcast, @local, @val={@val={0x9100, 0x1, 0x0, 0x4}, {0x8100, 0x5, 0x1, 0x3}}, {@ipv6={0x86dd, @tipc_packet={0x9, 0x6, "67a321", 0x44, 0x6, 0x0, @loopback, @dev={0xfe, 0x80, [], 0x37}, {[], @name_distributor={{0x44, 0x0, 0x0, 0x0, 0x0, 0xa, 0xb, 0x2, 0x7fff, 0x0, 0x1, 0x2, 0x0, 0x4, 0x4e24, 0x4e22, 0x4, 0x4, 0x0, 0x0, 0x1}, [{0x4, 0x0, 0x555f, 0x1, 0xfffffffd, 0xe7, 0x2, 0x8000}]}}}}}}, 0x0) r1 = openat$sequencer(0xffffffffffffff9c, &(0x7f0000000000)='/dev/sequencer\x00', 0x40000, 0x0) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000040)='bic\x00', 0x4) 23:29:37 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x74, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:38 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xf6, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:38 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:38 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0xe803}}, 0x38) 23:29:38 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) timer_create(0x0, &(0x7f0000000000)={0x0, 0x14, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000200)=0x0) timer_settime(r1, 0x0, &(0x7f0000000100)={{0x0, 0x1c9c380}, {0x0, 0x989680}}, 0x0) timer_create(0x0, &(0x7f0000000000)={0x0, 0x14, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000200)=0x0) timer_settime(r2, 0x0, &(0x7f0000000100)={{0x0, 0x1c9c380}, {0x0, 0x989680}}, 0x0) timer_settime(r2, 0x0, &(0x7f0000000040), &(0x7f0000000080)) timer_getoverrun(r1) 23:29:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x7a, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:38 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0xff, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:38 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0xf401}}, 0x38) 23:29:38 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:38 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:38 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:38 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:39 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0xffff}}, 0x38) 23:29:39 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:39 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xf7, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) [ 616.355456][T24117] net_ratelimit: 19 callbacks suppressed [ 616.355468][T24117] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 616.395124][T24117] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:41 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0xa8, &(0x7f0000000000)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x72, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad4baf0f99a3ba6edae8f3b094c7d7656a6627632a3a39e96af8133137f54fe23ce4e357fec58d62677f898ac040fa2ac3b894ee3aed9e8ab14dd3"}}}}}}}, 0x0) 23:29:41 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x11, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:41 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:41 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:41 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x2) 23:29:41 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xf8, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) [ 618.149959][T24135] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 618.212627][T24141] dccp_v6_rcv: dropped packet with invalid checksum 23:29:41 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:41 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x21, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:41 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x4e) 23:29:41 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @loopback}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaa0086dd60d64d4d00383a00fe0000000000000000000003000000aaff02000000000000000000000000000102901c780000000060244000003a00ff00000000000000000000000000000000000000a00000000000000000000001050c68dee3b1caad"], 0x0) [ 618.458665][T24150] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 618.568975][T24156] dccp_v6_rcv: dropped packet with invalid checksum 23:29:42 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:42 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x39, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:42 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x1af, &(0x7f00000001c0)={@broadcast, @dev, @void, {@ipv4={0x800, @icmp={{0x3e, 0x4, 0x2, 0x8, 0x1a1, 0x65, 0x0, 0x5, 0x1, 0x0, @broadcast, @initdev={0xac, 0x1e, 0x1, 0x0}, {[@noop, @ssrr={0x89, 0x1b, 0xca, [@broadcast, @rand_addr=0x64010102, @local, @multicast2, @multicast2, @multicast1]}, @timestamp_addr={0x44, 0x4c, 0x28, 0x1, 0x6, [{@remote, 0x9}, {@multicast1}, {@loopback, 0x10000}, {@empty, 0x5}, {@initdev={0xac, 0x1e, 0x0, 0x0}, 0x2}, {@multicast1, 0x5}, {@local, 0x6}, {@broadcast, 0xfffffff9}, {@local, 0xff}]}, @rr={0x7, 0x13, 0xc0, [@multicast2, @broadcast, @local, @initdev={0xac, 0x1e, 0x1, 0x0}]}, @timestamp={0x44, 0x28, 0x1, 0x0, 0x4, [0x4fc0, 0x2, 0x800, 0x81, 0x92, 0xfffffffc, 0x1, 0x4, 0x3]}, @timestamp_prespec={0x44, 0x1c, 0x84, 0x3, 0x9, [{@multicast1, 0x3}, {@loopback, 0x8000}, {@dev={0xac, 0x14, 0x14, 0x32}, 0xd99}]}, @rr={0x7, 0xf, 0x90, [@dev={0xac, 0x14, 0x14, 0x27}, @dev={0xac, 0x14, 0x14, 0x19}, @dev={0xac, 0x14, 0x14, 0xd}]}, @generic={0x0, 0xb, "40e6c8818b5be98da2"}, @generic={0x82, 0xa, "a7e2f6d79b5acefb"}]}}, @parameter_prob={0xc, 0x0, 0x0, 0x17, 0xa, 0x0, {0x28, 0x4, 0x0, 0x0, 0x200, 0x65, 0x4, 0xd4, 0x6c, 0x4, @initdev={0xac, 0x1e, 0x0, 0x0}, @broadcast, {[@rr={0x7, 0xf, 0x45, [@multicast1, @rand_addr=0x64010100, @multicast2]}, @timestamp_addr={0x44, 0x2c, 0x79, 0x1, 0x4, [{@local, 0x3}, {@dev={0xac, 0x14, 0x14, 0xc}, 0x400}, {@local, 0x5}, {@empty, 0xde4}, {@broadcast, 0x3}]}, @noop, @end, @timestamp_addr={0x44, 0x4c, 0x8f, 0x1, 0x0, [{@local}, {@empty, 0x3}, {@local, 0x4}, {@dev={0xac, 0x14, 0x14, 0x17}, 0x80}, {@multicast2, 0x2}, {@rand_addr=0x64010101, 0x1000}, {@broadcast}, {@rand_addr=0x64010102, 0x6}, {@remote, 0x1}]}]}}, "18"}}}}}, 0x0) 23:29:42 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x5c6) [ 618.878505][T24164] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 618.930660][T24166] dccp_v6_rcv: dropped packet with invalid checksum 23:29:42 executing program 5: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xf6, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:42 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:42 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000000)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaa2f86dd60d64d4d00383a00fe8000000000000000000003000000aafe80000000000000000000000000001302009078000000006024004000003a00fc00000100000000000000000000000100000000000000000000000000000001050c68dee3b101b0ad66caad"], 0x0) [ 619.237662][T24185] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:43 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xf9, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:43 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:43 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0xfdef) 23:29:43 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x1c9, &(0x7f00000002c0)={@broadcast, @dev, @void, {@ipv6={0x86dd, @udp={0x0, 0x6, "ab1298", 0x193, 0x11, 0x0, @loopback, @private2={0xfc, 0x2, [], 0x1}, {[@routing={0x2f, 0x4, 0x2, 0x8, 0x0, [@loopback, @local]}, @dstopts={0x0, 0xe, [], [@calipso={0x7, 0x18, {0x2, 0x4, 0x5, 0x99, [0x9, 0x800]}}, @pad1, @hao={0xc9, 0x10, @empty}, @jumbo={0xc2, 0x4, 0x401}, @padn={0x1, 0x5, [0x0, 0x0, 0x0, 0x0, 0x0]}, @calipso={0x7, 0x28, {0x0, 0x8, 0x4, 0x6, [0x1f, 0x81, 0x3, 0xff]}}, @padn={0x1, 0x8, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}, @enc_lim={0x4, 0x1, 0x1}]}], {0x4e22, 0x4e24, 0xeb, 0x0, @opaque="6561432c8de5d67f07b4f5e2cfe650ce8def0bb0afc0fe94909a0dab2ddcd70ea370a1dfc299f5be7ecb64bc6703fa16fa1e80c08f85427177fdd5eb78e6ecd130839e79a1c07bf94b58a7b8e50e4afa406b2643faf77be8c80a40fb8eaf5f20f89da328edb2bdf7572a26dd11cb07124339daf1f282c312b91c02560509f4a0a964c5ead3dee868b3b95f69b6872aa08a2ffd3e3dbdd673bd40d386350c6eedd27cce7760f1178009490e91ebeab24ed7e4aa0ac426718c4c7570717a27804d48160b4bcb9e9e1ec9b0a6a7cdbd3b8024c6ed49f6a69cf2a5446802a3d0d216dac8bc"}}}}}}, 0x0) getsockname(r0, &(0x7f0000000000)=@nfc, &(0x7f0000000080)=0x80) 23:29:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 619.776367][T24201] dccp_v6_rcv: dropped packet with invalid checksum 23:29:43 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket$nl_rdma(0x10, 0x3, 0x14) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$VIDIOC_G_AUDIO(r2, 0x80345621, &(0x7f0000000000)) r3 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r3, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:43 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x20000238) 23:29:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:43 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:43 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:43 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:43 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:44 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xfa, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:44 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = dup3(r0, r3, 0x0) ioctl$TIOCGSOFTCAR(r4, 0x5419, &(0x7f0000000000)) syz_emit_ethernet(0x6e, &(0x7f0000000040)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaa0086dd60d64d4d00383a00fe8000000000000000000003000000aaff02000000000000000000000000000102009078000000006024004000003a00ff00000000000000000000000000000000000000006680b218b2a511a5e2942a07fc08d5d00000000000000000000001050c68dee3b1caad"], 0x0) 23:29:44 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0xfffffdef) 23:29:44 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x11, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:44 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x68, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:44 executing program 5: r0 = perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) fcntl$setstatus(r0, 0x4, 0x42000) r1 = socket$inet6(0xa, 0x400000000001, 0x0) close(r1) r2 = socket$inet6_sctp(0xa, 0x801, 0x84) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r2, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) connect$inet6(r2, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) openat$bsg(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) ftruncate(r3, 0x200004) sendfile(r1, r3, 0x0, 0x80001d00c0d0) 23:29:44 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0xfffffffffffffdef) 23:29:44 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x21, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:44 executing program 4: connect$inet6(0xffffffffffffffff, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000000)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaa0086dd60d64d4d00383a00fe8000000000000000000003000000aaff06000000000000000000000000000134b0657c001337bb6b24389658003a00ff0000000000000000000000000000000071182dca67341400000000d3a03276bc8c0499784cb90000000000000000"], 0x0) 23:29:44 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6c, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:44 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) ioctl$sock_inet_SIOCRTMSG(r1, 0x890d, &(0x7f0000000140)={0x0, {0x2, 0x4e23, @local}, {0x2, 0x4e20, @private=0xa010102}, {0x2, 0x4e20, @local}, 0x12, 0x0, 0x0, 0x0, 0x4, 0x0, 0x80000001, 0x9, 0x6a}) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @initdev={0xac, 0x1e, 0x1, 0x0}}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) r3 = socket$inet6(0xa, 0x2, 0x0) r4 = socket$nl_rdma(0x10, 0x3, 0x14) r5 = dup2(r4, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$DRM_IOCTL_GET_CLIENT(r5, 0xc0286405, &(0x7f0000000240)={0x200, 0x40, {0x0}, {0xffffffffffffffff}, 0x0, 0x8}) r7 = socket$inet6(0xa, 0x2, 0x0) r8 = socket$nl_rdma(0x10, 0x3, 0x14) r9 = dup2(r8, r7) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) perf_event_open(&(0x7f00000001c0)={0x5, 0x70, 0x6, 0x0, 0x1, 0x9, 0x0, 0xfffffffffffffff8, 0x40, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x2, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x80, 0x2, @perf_config_ext={0x9, 0x63}, 0x1000, 0x2, 0xfffffff8, 0x2, 0x9, 0x800}, r6, 0xd, r9, 0x3) ioctl$DRM_IOCTL_MAP_BUFS(r1, 0xc0186419, &(0x7f00000004c0)={0x4, &(0x7f0000000280)=""/128, &(0x7f0000000440)=[{0xe0f2, 0x9e, 0x80, &(0x7f0000000300)=""/158}, {0x6, 0x1f, 0xfffffaff, &(0x7f00000003c0)=""/31}, {0x0, 0x31, 0x401, &(0x7f0000000400)=""/49}, {0x1, 0x1000, 0x1, &(0x7f0000000640)=""/4096}]}) write$binfmt_elf32(r2, &(0x7f0000000500)=ANY=[@ANYBLOB="7f454c46008000000000000000000000000000000000000000000000380000000000000000000076b0a2e734d7113debceb27bd72d1b3dea2f8800897aea2a00bc2d7b9c6fcfffe3bdff4e45822264871f208a88c4a8d412a40cb2c1e0e0920b457a481b88fd0000000000000000f2546efdd386a1e7"], 0x38) 23:29:44 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x74, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 621.383253][T24274] net_ratelimit: 10 callbacks suppressed [ 621.383262][T24274] dccp_v6_rcv: dropped packet with invalid checksum 23:29:45 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xfb, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:45 executing program 5: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x68, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:45 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x39, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:45 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x42, &(0x7f0000000380)={@broadcast, @empty, @void, {@arp={0x806, @ether_ipv6={0x1, 0x86dd, 0x6, 0x10, 0x3, @multicast, @mcast1, @random, @mcast2}}}}, 0x0) r1 = open(&(0x7f0000000000)='./file0\x00', 0x20000, 0x24) ioctl$DRM_IOCTL_MARK_BUFS(r1, 0x40206417, &(0x7f0000000040)={0x1, 0x2, 0x7, 0x1, 0x1, 0x80000001}) r2 = socket$inet6(0xa, 0x2, 0x0) socket$nl_rdma(0x10, 0x3, 0x14) r3 = syz_open_dev$vcsn(&(0x7f00000002c0)='/dev/vcs#\x00', 0x76d4, 0x88001) ioctl$sock_netrom_SIOCDELRT(r3, 0x890c, &(0x7f0000000300)={0x0, @default, @netrom={'nr', 0x0}, 0x2, 'syz0\x00', @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, 0xfffffffc, 0x7, [@null, @null, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x0}, @bcast, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}]}) r4 = dup2(r1, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket$nl_generic(0x10, 0x3, 0x10) r6 = socket$nl_generic(0x10, 0x3, 0x10) r7 = syz_genetlink_get_family_id$SEG6(&(0x7f0000000100)='SEG6\x00') sendmsg$SEG6_CMD_SETHMAC(r6, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000240)={0x30, r7, 0x5, 0x0, 0x0, {}, [@SEG6_ATTR_SECRET={0x4}, @SEG6_ATTR_SECRETLEN={0x5, 0x5, 0x9}, @SEG6_ATTR_ALGID={0x5}, @SEG6_ATTR_HMACKEYID={0x8, 0x3, 0xd97}]}, 0x30}, 0x1, 0x6c}, 0x0) sendmsg$SEG6_CMD_SETHMAC(r5, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000000)={0x2c, r7, 0x5, 0x0, 0x0, {}, [@SEG6_ATTR_SECRETLEN={0x5}, @SEG6_ATTR_ALGID={0x5}, @SEG6_ATTR_HMACKEYID={0x8, 0x3, 0xd97}]}, 0x2c}, 0x1, 0x6c}, 0x0) sendmsg$SEG6_CMD_GET_TUNSRC(r4, &(0x7f00000001c0)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x20}, 0xc, &(0x7f0000000180)={&(0x7f0000000100)={0x48, r7, 0x10, 0x70bd2d, 0x25dfdbfc, {}, [@SEG6_ATTR_SECRET={0x8, 0x4, [0x5]}, @SEG6_ATTR_DST={0x14, 0x1, @mcast2}, @SEG6_ATTR_ALGID={0x5, 0x6, 0x9}, @SEG6_ATTR_HMACKEYID={0x8, 0x3, 0xeb}, @SEG6_ATTR_HMACKEYID={0x8, 0x3, 0x7ff}]}, 0x48}, 0x1, 0x0, 0x0, 0x40}, 0x4004084) 23:29:45 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)=ANY=[@ANYBLOB="7f454c3100000000000000000000000000000000000000000000000038000000000000000000000000002000"/56], 0x38) 23:29:45 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7a, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 621.927424][T24284] dccp_v6_rcv: dropped packet with invalid checksum 23:29:45 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x4b, &(0x7f0000000100)={@remote, @random="6ccdaca463fc", @void, {@llc_tr={0x11, {@llc={0x4e, 0x6, "cb86", "9bca778eefb4806d8cdba7ec9911028500cd30c2e5158724d51de8b6030e06f68b6b9c68d291340584a8b0085b7b178c9dd1a95c7c3d18faa8"}}}}}, 0x0) [ 621.978804][T24296] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 621.980982][T24297] dccp_v6_rcv: dropped packet with invalid checksum 23:29:45 executing program 5: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xfa, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:45 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x48, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:45 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = syz_usb_connect(0x0, 0x2d, &(0x7f00000000c0)=ANY=[@ANYBLOB="12010000b884c110110f21108a80000000010902"], 0x0) syz_usb_disconnect(r1) syz_usb_ep_write$ath9k_ep1(r1, 0x82, 0x137c, &(0x7f0000000640)={[{0x65, 0x4e00, "0fa0e9a958e539081935dce7515f1cdced31711d5a87ba896834edde93865f7306bba7d65c8e263bc7f40b5f562b905081150e4de40f88fcb17d3582097272ed7c54a8e134171b100ceb5835e2a1790ec00c4040cc11e934bb4b29e3bb858dea89e919738d"}, {0x4a, 0x4e00, "dbf8ff978994090814a03adb766dddd4b9f58065ed44359b93b8280a5c96679070e9218e26323749848c486637e3a011c2c395b14449dae7d15ace8e118dc4255d64a49f1b68e5bce11f"}, {0xd3, 0x4e00, "1ce7f00867eb883d92578c890a8385ee307bac1db6c8013a5fefae3a6b9a872204a0eb14bbfd0a7290f8e835b393803821f884f7e05b2d85b132d2a7a117d95304b6e0c74e1944bdfdee0fae6f9697d43d1d77bc60dee6e71c2218adbbd7dbe36cc334b21fae88858677636919dac72a4a181a5e4cf8d372d62280e7892c6e4c8eb25c657407789d7aba8913a7b9f2b47a34ecef943031acc47bcfe9f5452ae2fe11e9a2f37ee433876de4ca65422fdab08c6f82d598005afae5bbb5aeb321ab568bd6108559cc02bcfe1217a6dff800583256"}, {0xdf, 0x4e00, "c6a220656d5417ba8e2d258a4204c9db7c4d6c25cc561150a66754e349266240fb436ae09fb67620066c2db2a9554d85adee042a4d40d9524987f15c74d8bcccbd8e9319e0ebae1151847997375c288cc1d5c2cadff0521dc6785086eefd2f59a3bfec5718dfbe00bf21aa2d66e2f33be0b09d1a0d4dc6d09ed9dd66d59751d13ad813c0256c8036815565559cc1ba3d1cab96ccde76ac0e98993c3c686d3ce05492d8fe58b97a8568e8973c4c9420c53f3784b1bf71a30a6f99931b64387699deaf469d7252888f5a92601754277a1e3125495b4f6d35f8962fd43be44af1"}, {0x28, 0x4e00, "5acc84e689c1b896b44d343847f9eb0a86dfed80452ebc6a5bf707e4b212d87a642b59e78e6398bc"}, {0x45, 0x4e00, "e467ba52755cfb252ad8e042940f370f5aa15e14d5c6d5834ec64564d25de7a821f4335a1e8c252726662da1000a20dfba07f4314584447799335655798d24fe5e3a4891b1"}, {0x1000, 0x4e00, "7cd74e7c7e663a5ce110ffc7cd12ae50fcf5012975df652caf342700c0f2ef55033631ffb019ce4d3338f28c4057df80cc06ffca2fe6ae72f5c457ddff3c59776a6a4daf7603bb7085e001b978823e560b857a19e14795bb9edd287c2939ebc623d0e68d6d0e05a00a8fc043747bf2c5e8b7836613bbe3c29d49fc2b878fdd9bad35ad20c11e272fcf7d8f1187580518416c73fc290cd37a9b986f9669a044aee144e84fa39b7fc1fe664e9793f1be7c5d026e68ce5b2bb6eaa9644926195118dee5e3fa351c8b70687ad0574e83a608c0a0fac1d587bff1352043445293bafa5cf03391aaa702379835907708f31ee71f0de21cdc5521b5766b91187a8a12870076ac4bfd34728d7d30b5fd2858546e89e92b66360c945fe62414c8a349601a75c84c137a1b47ba10f95a8941bb365a35a3eca820b785fb00dc8e3f11ee45e4aa1a46d81c786d9fcf6a9c13aabdcbec904b55fbc1c8883508bd3c2a4639580120eb76cd36a8bfe6418cda57d6ccf9d71e3cb0a48d2d2fb0cd7172b47f552c90dff5054937b194c02972e14dfdc167f05cd2a12d5643738c846c3e494ea4049be420e2200ac2a60fb60406ac77be331dad3afd63d50b8416fe4afb6f5cd329432e1c7311723ef5bed24ee2dae304c997b651376b8a90afeb88bca14b7580a9f0640f0d2fba6cb6942d1a6b35017aee867f437af449415c506cd07c8a621279fed49f5210d846b018bd5a1ea3f1f5ef3de0e8040fe4b922b771e4eb08728454799862ca6efa4643a3b98883299e691fe3693c0db1e5d803efdc042cb5a8cde15d819bd18da82ad865b608d0bf859632bd7dde709c52a99d6bfe09b32ec5f7e148c4dfc7d462fb246a4607850a3df48a54f62215ebac9cd56f1a698d9b49c521fd0d503b61bd5c7b62e9bffeb30b5ed5f996debf3530e5248a848050e08a5638d25ba981183112b3f96c8626b6cc8cfa10215f39c467a07d44edde802fe6628457ee94c86b71daab8ea6bf8e70eb4e9811fab18387cd55009308cf7a6969c0a076cc6371f98ab2bf7f6917ce29a47a98ea5cd80c373c8de6522c9db0d5d64629cfca68931d90c9035ab6ba67107b218fd7004308216c03fd9ac221a444bc420dce22c4e33a2b6f298b32423c3a8c198d141992239ff5ba3879c4fccdd5bc58647cd39dceb859e80f9b256d7c35a9c6b5006b63b7ade3c9df4fd147204b49971d33332a296dd1c4371a9cb407db8619656a32f045fee1f65a0a8e5ad028549d0f001d43359007f357e56975f2cf56802057a1faf85c1843587b3e77ff0fa151438013ddb7dcad9d85f4f42193fb9e5643c91db0a542e0b948bcb7a9b16cf0258d1bfc972c6f6c2686bfd1c73556fcdf39a2939e385698a18b790018730dc517df7707fffbba3961162905e91d772ad1b1fc486e90c83dfe3f44eba7611ccda9167d0b3ff817f9e39d9c56334927930963d60ac8cb682815df01a5b129c3e3a564bdf374557a5f61c2d0e9a4fb874885dac41f5a2f6dcbdb5ab147d48db1ba3509f22427c2dd0cac4e65942f32ce4fabdee3bf4d9118fab5387b6ca1f7df4822c589a0bd7490f493e29daaefeb124039d5fe1b38390d27f47ca9ff87bd7960da93feccfc5e3f442599139311846e927380783d2af51b680ae333ea962b9b9d38dda1f37288a086f1a80f830f3685a6d40fc05e847909864b0983fda84f58f27f9e07a8e485073e04238ec33cb4ee617b7a843d1283d90c4296a1285f637f1c1edc46f3cffff6b213037438fecc7e6c9b107556c7352ba05deb9baa56caa8cd63a30ca6ca86c2dbf1f8abcb115e2da9c8b937dc44035fb776278a7bd7622f8a1860516ad2333d42d4a485c0332115127cb65f6f76fb22d060f4ca9f630e6548e8fba7279154ba208b5ac3c815fe322b532066ca305efe6bf2fe7b0244050814797aa94b526b22e1fd0fef36d3b27300d7fac5cda8dfe094f22ea4be4f33a7554d07f7c2fe73657c507fafeb3cc24993eeefac91f09c54f97c9f5d1060e641c6f6ef54150be34e0378a608a066cbd46252384905ab206b6a66407957a45a801dc30743ea87f24bcebd66a6380483d67258ead1f8ede266fd980fb2e99365088b717b97c873a28acd6327ff171b2ebaff3d757d41eb2b183a0b8f42eb380e6ed0af1b24520ea4e2c92551e0bc3d5168fe112cc1bd4b0d667c23adaf557c7e4f5336e3b6cf09b470863e35f952b12e5f0fc3bbf4f0a328ccdfce4da49e3340e72cf1f4be5f6a303483e78afab4bcdb3836fae54415b85991b85fd0456b2a32ccdb42d02ba5c34758e1088f55ae4c6c9911784f847117bb9437c0feb5a0609795186595ed3922233e4256c21849bad67c2d2f122652f26c3e40d701c78379ed7c7f9ce013d453cda80048e1338d422f36eca5daafa2a723dd043cf412aa974614f727dcd906793b15fe4c03ea6842b69ab9f2c2227b2495193f4a66662df57ee4b10557b7cd562d278c96aca3c36e02f77b0be9b9c1bd8e0a95b096119542b6cbf2dddf69f0c98cb209e21a125222bdb442e07079a9cc172a2ed2a94f890b9644e79d18d5a643524b6b9fb270ec096be0cbcdbb21c852e2c0b31ce05e59b5314b7dec0aaec3f09adae0e24286a26ab2ad823d674a869495d1926f8234517e64a99cda078b0f9c7a3583b00b9b57ca58db949579ad70a922ffce09930a2c117bf6b172cab957a555fe68db46bee8c275a911cfc404643544f49f3621617b571f1f6429d739b7a6ac8cca9a9bcadd81ab19cf9f03ab433352389affc3e478924a44af674e26010dca05da142b2ae55c0b46ecf1eca982e65ad0072df0c2399ce90be8c1ea8420ef89116abefa52a2f03f12d2a0b2e8a769aa27a32bf4bc04aab0c8ee6b60ffc4a50c91823bb937786117181d2b26e4141034f6184a5c71b6ada3da7849235b019c17e6e89578e1540ce2099cd26e11c389aa4fe47b529c045112f651466483946addaf23da1bf77988703088f3694c99ef08d4e56f252ebfb1d8835c9e62b9582a775ff6e4503e72a3e763bac99bc5d61c03f65930606118d61aab12784b49b7241aa83d0403e6bc5b718aba6c67ba5d7f7134ccb680e4f229aaa29b068d236e9569c8db2931d61e5690551a4a6dedf2113864eb9ae006f40f4e865ba0cba86e8b8b334129547230e42b5cbcfeecc03dbda102c5d9c9cb8b7df223ac81df26cba5249c27c945397c1018173bfbe73c778d2ec9e96b857dcb906cbeafb2b3863b7511aa6f845e81ff33e09c6dc91a02a7e88210ce764d63cfbe750e3ff9042d5e502633421c35c5b36c485dcd3a6b9f7f96b556314ffca6d7d3f0930ef3893b67f0b036e6901e150a07498e023a00264123757260baecb13a2f53620e675c5a1526a112b7008177517c651a63cc180b857055a531a033d94a09e7cf01d39e410829686f960ba14c6b83b6e578cd9a149b99e5cdc51e625c9ceda6ee77c51a2aaaf75a52170e3d224fa4d62de0025013b80466fb385d5e825582ff2c3022d57c896d47b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{0x81, 0x4e00, "ad54e91135640f0faebea318496300f2da7f0a2a25658d0dc7a41bca395d35a4c8e27aca9eff39188c6cefebb738d007354c953f8a49f3da7c5f50b92aa9f440f93c6824c9efb939d7c930dbc25f758a97abc5f346603cef5545f58d1624771b3ce8baa26581a4022a3d7cef1ce7094b6bb0ed08041c17fddccf8588d5c1eca20e"}]}) r2 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket(0x2, 0x3, 0x100000001) bind$inet(r3, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r3, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r3, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r3, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:29:45 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:45 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaa0086dd60d64d4d00383a00fe80000000000000000000aaff02000000000000000000000000000102009078000000006024004000003a00ff00000000000000000000000000000000000000000000000000000000000001050c68dee3b1caad00000000"], 0x0) io_setup(0x9, &(0x7f0000000240)=0x0) r2 = socket(0x15, 0x5, 0x0) io_submit(r1, 0x1, &(0x7f0000000380)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r2, 0x0}]) io_destroy(r1) r3 = socket$inet6(0xa, 0x2, 0x0) r4 = socket$nl_rdma(0x10, 0x3, 0x14) r5 = dup2(r4, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$FBIOGET_CON2FBMAP(r5, 0x460f, &(0x7f0000000000)={0x3b}) [ 622.212889][T24308] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 622.359453][T24315] dccp_v6_rcv: dropped packet with invalid checksum [ 622.476189][T12010] usb 2-1: new high-speed USB device number 2 using dummy_hcd [ 622.606607][T12010] usb 2-1: Using ep0 maxpacket: 16 [ 622.736487][T12010] usb 2-1: config 0 has no interfaces? [ 622.742078][T12010] usb 2-1: New USB device found, idVendor=0f11, idProduct=1021, bcdDevice=80.8a [ 622.764040][T12010] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 622.813478][T12010] usb 2-1: config 0 descriptor?? [ 623.060570][ T9394] usb 2-1: USB disconnect, device number 2 23:29:46 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xfc, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:46 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x4c, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:46 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) setsockopt$inet6_opts(r0, 0x29, 0x37, &(0x7f0000000000)=@fragment={0x89, 0x0, 0x1, 0x0, 0x0, 0x6, 0x65}, 0x8) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:46 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:46 executing program 5: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff, 0x0, 0x0, 0x0, 0x0, 0xfc]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 623.379894][T24340] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 623.399305][T24339] dccp_v6_rcv: dropped packet with invalid checksum [ 623.446568][T24339] dccp_v6_rcv: dropped packet with invalid checksum 23:29:46 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) dup2(r2, r1) sendmmsg(r1, &(0x7f0000000400), 0x40000000000017a, 0x0) r3 = socket$nl_rdma(0x10, 0x3, 0x14) dup2(r3, 0xffffffffffffffff) sendmmsg(0xffffffffffffffff, &(0x7f0000000400), 0x40000000000017a, 0x0) getsockname$packet(0xffffffffffffffff, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB="480000001000050700"/20, @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=ANY=[@ANYBLOB="4c000000100001040000000000000000000000002d87d11f8a00eb2fb3c247cdd68a6e0b929da1f899bbab84e3de822c6cf0f55878e7c4c5eca786243c6fdfac33c5f25300107cf2d82e9e8170576321bd622fbed4d124d2aa933e0d852e3ac9c09a34bb785f423855ab25e783088c9564b42c45fed584d0b00e5d61926ec9fce210a4f838bc6fef8281d1093a8317a71263c048fad8df5d687e12a6412b017209769481e2309b19afb78dd7c39ef8a8dd56dc3968cf2f58705abccf87a60922714b1a1b762b53555b3f55b51c2554df1a0d354c4a92dd257e6daa08171b", @ANYRES32=0x0, @ANYBLOB="00000000000000001c0012800c0001006d6163766c616e000c000280080001000800000008000500", @ANYRES32=r4, @ANYBLOB='\b\x00\n\x00', @ANYRES32=0x0, @ANYBLOB="e62ea69f51787880b67a6c076677bd1dea5b8d"], 0x4c}}, 0x0) r5 = openat$ipvs(0xffffffffffffff9c, &(0x7f0000000000)='/proc/sys/net/ipv4/vs/expire_nodest_conn\x00', 0x2, 0x0) bind$xdp(0xffffffffffffffff, &(0x7f0000000080)={0x2c, 0x1, r4, 0x2d, r5}, 0x10) r6 = socket$inet6(0xa, 0x2, 0x0) r7 = socket$nl_rdma(0x10, 0x3, 0x14) r8 = dup2(r7, r6) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) syz_emit_ethernet(0x6e, &(0x7f0000000140)=ANY=[@ANYBLOB="2d5dfad632b1cda91185000d0b25184e349a0ec88b4b88a5f109c4e8b7c0231aafab543a21414ad0457c06000000"], 0x0) 23:29:46 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x60, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:46 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:46 executing program 5: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xfb, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) [ 623.620200][T24352] dccp_v6_rcv: dropped packet with invalid checksum [ 624.063338][T12012] usb 2-1: new high-speed USB device number 3 using dummy_hcd 23:29:47 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) r1 = openat$bsg(0xffffffffffffff9c, &(0x7f0000000000)='/dev/bsg\x00', 0x42, 0x0) ioctl$TUNSETVNETHDRSZ(r1, 0x400454d8, &(0x7f0000000040)=0x2) syz_emit_ethernet(0x6e, &(0x7f0000000100)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaa0086dd60d64d4d00383a00fe8000000000000000000003000000aaff02000000000000000000000000000102009078000000006024004000003a00ff00000000000000000000000000000000000000000000000000000000000001050c68dee3b1caadf14e9cbbcc22293b1b222b2c0c2ce502ec7a29ae9655061c6b278b7f96e09f07cb7efb9262cb5ac06f5120e4abbd7571cd6ecaea16bac46490d8feaa812570ec9605f5f005e3987bdc0ee9a9d48892e2ffd94fce77eb42"], 0x0) 23:29:47 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x68, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:47 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:47 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xfd, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:47 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = socket$l2tp(0x2, 0x2, 0x73) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r8, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @macvlan={{0xc, 0x1, 'macvlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_MACVLAN_MODE={0x8, 0x1, 0x8}]}}}, @IFLA_LINK={0x8, 0x5, r8}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x4c}}, 0x0) setsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f00000005c0)={@empty, @empty, r8}, 0xc) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, &(0x7f0000000580)={0x8, &(0x7f0000000000), &(0x7f00000004c0)=[{0x0, 0x3, 0x2, &(0x7f0000000040)=""/3}, {0x3c2c, 0x7c, 0x7, &(0x7f0000000140)=""/124}, {0x3, 0x9e, 0xd4a, &(0x7f0000000240)=""/158}, {0xf1f, 0x15, 0x8, &(0x7f00000001c0)=""/21}, {0x9, 0x1000, 0x1, &(0x7f0000000640)=""/4096}, {0x101, 0x69, 0x3, &(0x7f0000000300)=""/105}, {0xff, 0xf, 0x1, &(0x7f0000000380)=""/15}, {0x44d4, 0xee, 0x5, &(0x7f00000003c0)=""/238}]}) r9 = socket(0x2, 0x3, 0x100000001) bind$inet(r9, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r9, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r9, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r9, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:29:47 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$UI_DEV_DESTROY(r3, 0x5502) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) 23:29:47 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:47 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x6c, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 624.563260][T12012] usb 2-1: device not accepting address 3, error -71 23:29:48 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x74, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:48 executing program 4: socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket$nl_rdma(0x10, 0x3, 0x14) dup2(r1, r0) sendmmsg(r0, &(0x7f0000000400), 0x40000000000017a, 0x0) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty, 0x2}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaa0086dd60d64d4d00380004000000000000000000000003000000aaff02000f00000000000000000000000102009078000000006024004000003a00ff00000000000000000000000000000000000000000000000000000000000001050c68dee3b1caad"], 0x0) 23:29:48 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:48 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = socket$l2tp(0x2, 0x2, 0x73) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r8, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @macvlan={{0xc, 0x1, 'macvlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_MACVLAN_MODE={0x8, 0x1, 0x8}]}}}, @IFLA_LINK={0x8, 0x5, r8}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x4c}}, 0x0) setsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f00000005c0)={@empty, @empty, r8}, 0xc) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, &(0x7f0000000580)={0x8, &(0x7f0000000000), &(0x7f00000004c0)=[{0x0, 0x3, 0x2, &(0x7f0000000040)=""/3}, {0x3c2c, 0x7c, 0x7, &(0x7f0000000140)=""/124}, {0x3, 0x9e, 0xd4a, &(0x7f0000000240)=""/158}, {0xf1f, 0x15, 0x8, &(0x7f00000001c0)=""/21}, {0x9, 0x1000, 0x1, &(0x7f0000000640)=""/4096}, {0x101, 0x69, 0x3, &(0x7f0000000300)=""/105}, {0xff, 0xf, 0x1, &(0x7f0000000380)=""/15}, {0x44d4, 0xee, 0x5, &(0x7f00000003c0)=""/238}]}) r9 = socket(0x2, 0x3, 0x100000001) bind$inet(r9, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r9, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r9, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r9, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:29:48 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$sock_SIOCGIFBR(0xffffffffffffffff, 0x8940, &(0x7f0000000000)=@generic={0x0, 0x4, 0x6}) r2 = socket(0x2, 0x3, 0x100000001) setsockopt$inet_opts(r1, 0x0, 0xd, &(0x7f0000000200)="dccfaeee1bb7296a468f7d64262575287a6cd2bf8bf9b94ba69a60aa1554f90eb093248cfef00e4a93a3b7cb012ea42213c9dd5b254c7b70af539da0772b10963ecd7c198f29584543a3d74aa95794155353554bce186126cf600b4c310dd6c02ebb0a7a89264bd29192f311cf6af7b6af09ab3a0fad3495892fc9d9e30b57c2f53b2714107834b881a2f460a2908be582afca49a9a50edbdc386997bc7c9ddbe98def99f314e1aeacc6c582fdd8bfb48757061686dd4f2dc8038138466e3fef", 0xc0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) ioctl$EVIOCGBITSW(0xffffffffffffffff, 0x80404525, &(0x7f0000000400)=""/79) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) r3 = socket$inet6(0xa, 0x2, 0x0) r4 = socket$nl_rdma(0x10, 0x3, 0x14) r5 = dup2(r4, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$SNDCTL_DSP_SUBDIVIDE(r5, 0xc0045009, &(0x7f0000000040)=0x4) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000640)=ANY=[@ANYBLOB="7f454c4600000000000000000000000000000000000000000000000038000000000000000000e40020002000000000000000000000000000937ac40c79088f9739ad93babec8d3d4c9d6f3f5b87274d70fc2361029fca1d2886d359134c855efdff640dca9bfb1b1ec8eca73ecedb09cd55f184594ebd7729d14fe9b8be8583db3035ba932b17d069ab15459b62ee4ee656e829da0a56149d0f2328522ac57f42bf0fcf4cc18adb5752100b7d7ed7640ce37f8e35c41c88c1937eda200e970b2cd738599a66ea6691bd2f699e4c42e2a16a47bb2a2ad752ea5a7c1fe9611d2ae780d16ee7c896ee53cd46195357f2d2e67d97dca722ddfe4c2185660b6d0cf421f73f408d430ffb31ff4b0f912c9a2f842f06af2d3df900e4ac167a46e5c8d0157586c8ffb830a8608f311a16682744c7914c2"], 0x38) r6 = add_key$keyring(&(0x7f00000004c0)='keyring\x00', &(0x7f0000000180)={'syz', 0x1}, 0x0, 0x0, 0xfffffffffffffffe) keyctl$KEYCTL_PKEY_QUERY(0x18, r6, 0x0, &(0x7f0000000140)='-\x00', &(0x7f0000000180)) 23:29:48 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x7a, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:48 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:50 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0xff, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:50 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = socket$l2tp(0x2, 0x2, 0x73) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r8, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @macvlan={{0xc, 0x1, 'macvlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_MACVLAN_MODE={0x8, 0x1, 0x8}]}}}, @IFLA_LINK={0x8, 0x5, r8}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x4c}}, 0x0) setsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f00000005c0)={@empty, @empty, r8}, 0xc) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, &(0x7f0000000580)={0x8, &(0x7f0000000000), &(0x7f00000004c0)=[{0x0, 0x3, 0x2, &(0x7f0000000040)=""/3}, {0x3c2c, 0x7c, 0x7, &(0x7f0000000140)=""/124}, {0x3, 0x9e, 0xd4a, &(0x7f0000000240)=""/158}, {0xf1f, 0x15, 0x8, &(0x7f00000001c0)=""/21}, {0x9, 0x1000, 0x1, &(0x7f0000000640)=""/4096}, {0x101, 0x69, 0x3, &(0x7f0000000300)=""/105}, {0xff, 0xf, 0x1, &(0x7f0000000380)=""/15}, {0x44d4, 0xee, 0x5, &(0x7f00000003c0)=""/238}]}) r9 = socket(0x2, 0x3, 0x100000001) bind$inet(r9, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r9, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r9, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r9, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:29:50 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) connect$bt_rfcomm(r1, &(0x7f0000000000)={0x1f, @none, 0xf2}, 0xa) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38, 0xfffffffe}}, 0x38) [ 627.571304][T24432] net_ratelimit: 9 callbacks suppressed [ 627.571314][T24432] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:50 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:50 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$VIDIOC_QUERY_EXT_CTRL(r3, 0xc0e85667, &(0x7f0000000100)={0x80000000, 0x101, "c6b6cd9267e9a79547c65b0f13da94e10679e32e6adfea308883f695df41fe79", 0xdb5, 0x800, 0x6, 0x0, 0x9, 0x9, 0x12, 0x15fb, [0x7, 0x3f, 0x0, 0xfffffffd]}) 23:29:50 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0xfe, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) [ 629.024321][T24439] dccp_v6_rcv: dropped packet with invalid checksum [ 630.516314][T24444] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 630.535583][T24444] CPU: 0 PID: 24444 Comm: syz-executor.0 Not tainted 5.7.0-rc1-syzkaller #0 [ 630.544291][T24444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 630.554411][T24444] Call Trace: [ 630.557738][T24444] dump_stack+0x11d/0x187 [ 630.562102][T24444] dump_header+0xa7/0x399 [ 630.566425][T24444] oom_kill_process.cold+0x10/0x15 [ 630.571540][T24444] out_of_memory+0x21d/0xa30 [ 630.576228][T24444] __alloc_pages_slowpath.constprop.0+0xc81/0xd90 [ 630.582645][T24444] __alloc_pages_nodemask+0x2bd/0x300 [ 630.587995][T24444] alloc_pages_vma+0xc0/0x390 [ 630.592666][T24444] shmem_alloc_page+0x62/0xf0 [ 630.597402][T24444] shmem_alloc_and_acct_page+0x122/0x450 [ 630.603033][T24444] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 630.608919][T24444] shmem_getpage_gfp+0x30a/0x16c0 [ 630.613929][T24444] ? alloc_set_pte+0x324/0xd80 [ 630.618672][T24444] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 630.624545][T24444] shmem_fault+0x117/0x4b0 [ 630.628973][T24444] __do_fault+0xa8/0x1e0 [ 630.633211][T24444] __handle_mm_fault+0x295c/0x2da0 [ 630.638305][T24444] handle_mm_fault+0x21c/0x540 [ 630.643050][T24444] __get_user_pages+0x533/0x11c0 [ 630.648010][T24444] populate_vma_page_range+0xdc/0x100 [ 630.653376][T24444] __mm_populate+0x168/0x2b0 [ 630.657947][T24444] vm_mmap_pgoff+0x185/0x190 [ 630.662535][T24444] ksys_mmap_pgoff+0x96/0x420 [ 630.667190][T24444] ? debug_smp_processor_id+0x3f/0x129 [ 630.672629][T24444] do_syscall_64+0xc7/0x3b0 [ 630.677119][T24444] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 630.682997][T24444] RIP: 0033:0x45ca29 [ 630.686889][T24444] Code: Bad RIP value. [ 630.690930][T24444] RSP: 002b:00007f48c3439c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 630.699403][T24444] RAX: ffffffffffffffda RBX: 00000000004f5dc0 RCX: 000000000045ca29 [ 630.707476][T24444] RDX: 0000000000000003 RSI: 0000000000b36000 RDI: 0000000020000000 [ 630.715512][T24444] RBP: 000000000078bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 630.723476][T24444] R10: 0000000000008031 R11: 0000000000000246 R12: 00000000ffffffff [ 630.731563][T24444] R13: 000000000000073e R14: 00000000004ca1f5 R15: 00007f48c343a6d4 [ 630.742165][T24444] Mem-Info: [ 630.745332][T24444] active_anon:1711654 inactive_anon:6261 isolated_anon:0 [ 630.745332][T24444] active_file:141 inactive_file:165 isolated_file:0 [ 630.745332][T24444] unevictable:0 dirty:0 writeback:0 unstable:0 [ 630.745332][T24444] slab_reclaimable:10912 slab_unreclaimable:22452 [ 630.745332][T24444] mapped:353863 shmem:1492252 pagetables:15752 bounce:0 [ 630.745332][T24444] free:26505 free_pcp:240 free_cma:0 [ 630.783457][T24444] Node 0 active_anon:3149988kB inactive_anon:24328kB active_file:120kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:727248kB dirty:0kB writeback:0kB shmem:2304264kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 786432kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 630.812823][T24444] Node 1 active_anon:3696628kB inactive_anon:716kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:687204kB dirty:0kB writeback:0kB shmem:3664744kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 630.841080][T24444] Node 0 DMA free:14432kB min:188kB low:232kB high:276kB reserved_highatomic:0KB active_anon:1424kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 630.882837][T24444] lowmem_reserve[]: 0 2858 3565 3565 3565 [ 630.888654][T24444] Node 0 DMA32 free:37724kB min:34988kB low:43732kB high:52476kB reserved_highatomic:0KB active_anon:2590464kB inactive_anon:752kB active_file:188kB inactive_file:568kB unevictable:0kB writepending:0kB present:3129332kB managed:2929016kB mlocked:0kB kernel_stack:4196kB pagetables:23596kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 630.949764][T24444] lowmem_reserve[]: 0 0 707 707 707 [ 630.955851][T24444] Node 0 Normal free:8732kB min:8660kB low:10824kB high:12988kB reserved_highatomic:2048KB active_anon:558100kB inactive_anon:23576kB active_file:308kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:724516kB mlocked:0kB kernel_stack:4000kB pagetables:5424kB bounce:0kB free_pcp:392kB local_pcp:8kB free_cma:0kB [ 630.989178][T24444] lowmem_reserve[]: 0 0 0 0 0 [ 630.994199][T24444] Node 1 Normal free:46164kB min:46268kB low:57832kB high:69396kB reserved_highatomic:0KB active_anon:3696628kB inactive_anon:716kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870248kB mlocked:0kB kernel_stack:5260kB pagetables:33988kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 631.025726][T24444] lowmem_reserve[]: 0 0 0 0 0 [ 631.030464][T24444] Node 0 DMA: 2*4kB (U) 3*8kB (UE) 2*16kB (UM) 3*32kB (UME) 3*64kB (UME) 2*128kB (UE) 2*256kB (UE) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 2*4096kB (M) = 14432kB [ 631.046727][T24444] Node 0 DMA32: 151*4kB (UE) 69*8kB (UME) 36*16kB (UM) 18*32kB (UME) 13*64kB (UME) 2*128kB (M) 2*256kB (UM) 1*512kB (M) 1*1024kB (U) 4*2048kB (UME) 6*4096kB (M) = 38212kB [ 631.066355][T24444] Node 0 Normal: 283*4kB (UE) 183*8kB (UE) 82*16kB (UMEH) 35*32kB (UMEH) 31*64kB (UMEH) 5*128kB (UE) 2*256kB (ME) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8164kB [ 631.082317][T24444] Node 1 Normal: 191*4kB (UME) 45*8kB (UME) 27*16kB (UME) 10*32kB (UM) 6*64kB (UM) 3*128kB (UM) 2*256kB (UE) 2*512kB (ME) 1*1024kB (E) 0*2048kB 10*4096kB (M) = 46164kB [ 631.108567][T24444] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 631.118179][T24444] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 631.129883][T24444] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 631.139435][T24444] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 631.148750][T24444] 1492276 total pagecache pages [ 631.153620][T24444] 0 pages in swap cache [ 631.157750][T24444] Swap cache stats: add 0, delete 0, find 0/0 [ 631.163937][T24444] Free swap = 0kB [ 631.167647][T24444] Total swap = 0kB [ 631.171353][T24444] 1965979 pages RAM [ 631.175179][T24444] 0 pages HighMem/MovableOnly [ 631.179833][T24444] 81057 pages reserved [ 631.184521][T24444] 0 pages cma reserved [ 631.188575][T24444] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=11217,uid=0 [ 631.202862][T24444] Out of memory: Killed process 11217 (syz-executor.0) total-vm:74844kB, anon-rss:16536kB, file-rss:34624kB, shmem-rss:0kB, UID:0 pgtables:152kB oom_score_adj:1000 [ 631.221565][ T1928] oom_reaper: reaped process 11217 (syz-executor.0), now anon-rss:0kB, file-rss:34816kB, shmem-rss:0kB 23:29:52 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:52 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)) r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket$nl_rdma(0x10, 0x3, 0x14) dup2(r1, r0) sendmmsg(r0, &(0x7f0000000400), 0x40000000000017a, 0x0) r2 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket(0x2, 0x3, 0x100000001) bind$inet(r3, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r3, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r3, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r3, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:29:52 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = socket$l2tp(0x2, 0x2, 0x73) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r8, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @macvlan={{0xc, 0x1, 'macvlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_MACVLAN_MODE={0x8, 0x1, 0x8}]}}}, @IFLA_LINK={0x8, 0x5, r8}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x4c}}, 0x0) setsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f00000005c0)={@empty, @empty, r8}, 0xc) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, &(0x7f0000000580)={0x8, &(0x7f0000000000), &(0x7f00000004c0)=[{0x0, 0x3, 0x2, &(0x7f0000000040)=""/3}, {0x3c2c, 0x7c, 0x7, &(0x7f0000000140)=""/124}, {0x3, 0x9e, 0xd4a, &(0x7f0000000240)=""/158}, {0xf1f, 0x15, 0x8, &(0x7f00000001c0)=""/21}, {0x9, 0x1000, 0x1, &(0x7f0000000640)=""/4096}, {0x101, 0x69, 0x3, &(0x7f0000000300)=""/105}, {0xff, 0xf, 0x1, &(0x7f0000000380)=""/15}, {0x44d4, 0xee, 0x5, &(0x7f00000003c0)=""/238}]}) r9 = socket(0x2, 0x3, 0x100000001) bind$inet(r9, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r9, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r9, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r9, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:29:54 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:54 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$USBDEVFS_GETDRIVER(r3, 0x41045508, &(0x7f0000000100)={0x7fff, "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"}) syz_emit_ethernet(0x66, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x30, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x3, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback}}}}}}}, 0x0) [ 631.666438][T24454] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 631.705380][T24456] dccp_v6_rcv: dropped packet with invalid checksum 23:29:55 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x11, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:55 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = socket$l2tp(0x2, 0x2, 0x73) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r8, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @macvlan={{0xc, 0x1, 'macvlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_MACVLAN_MODE={0x8, 0x1, 0x8}]}}}, @IFLA_LINK={0x8, 0x5, r8}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x4c}}, 0x0) setsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f00000005c0)={@empty, @empty, r8}, 0xc) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, &(0x7f0000000580)={0x8, &(0x7f0000000000), &(0x7f00000004c0)=[{0x0, 0x3, 0x2, &(0x7f0000000040)=""/3}, {0x3c2c, 0x7c, 0x7, &(0x7f0000000140)=""/124}, {0x3, 0x9e, 0xd4a, &(0x7f0000000240)=""/158}, {0xf1f, 0x15, 0x8, &(0x7f00000001c0)=""/21}, {0x9, 0x1000, 0x1, &(0x7f0000000640)=""/4096}, {0x101, 0x69, 0x3, &(0x7f0000000300)=""/105}, {0xff, 0xf, 0x1, &(0x7f0000000380)=""/15}, {0x44d4, 0xee, 0x5, &(0x7f00000003c0)=""/238}]}) r9 = socket(0x2, 0x3, 0x100000001) bind$inet(r9, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r9, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r9, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) 23:29:55 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 632.184649][T24467] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:55 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x3, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000000)=ANY=[@ANYBLOB="ffffffffffffaaaaaaaaaa0086dd60d64d4d00383a00fe8000000000000000000003000000aaff02000000000000000000000000000102009078000000006024004000003a00ff00000000000000000000000000000000000000000000000000000000000001050c68dee3b1caad3ee6f8c9a3ea623c4bdb4225"], 0x0) 23:29:55 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:55 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @private=0xa010101}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) r3 = socket$inet6(0xa, 0x2, 0x0) r4 = socket$nl_rdma(0x10, 0x3, 0x14) r5 = socket$inet6(0xa, 0x2, 0x0) r6 = socket$nl_rdma(0x10, 0x3, 0x14) r7 = dup2(r6, r5) ioctl$PERF_EVENT_IOC_ENABLE(r7, 0x8912, 0x400200) sendmsg$sock(r7, &(0x7f0000000500)={&(0x7f0000000000)=@nfc_llcp={0x27, 0x0, 0x1, 0x2, 0x9, 0xcc, "2ec1c21865bf9bc4dc372a1752ce35c8c9e935b0f18058054f0e02709e8b5fd61b913a896111fc88424dbace8c70b24114a48a153b82356ce71dfa5d387a54", 0x5}, 0x80, &(0x7f0000000440)=[{&(0x7f0000000140)="e134fc91c5ce6911a5e6cbc1b6a57eceebc9f4ab8c4a1da4adc91df2f97834a73405e6f35ceec2ca990b95fbbd13cc1c9f0034e823d5629c86e78f96ccf667cecdd258483893fd515222babb291392063a279033", 0x54}, {&(0x7f00000001c0)="fd543d5b55438c96e6e5d01684850751b6", 0x11}, {&(0x7f0000000200)="13529c1a82a638676bf5a4cb611c6d20c44d19150a9d775fba9cf130e053701f79518c4aec05752ba92209d3e22b80ca68fb0590622244e95f73b1a36d6bf76a037fdc54034be5cd52b3ff53eeb8b56cdfa8d911f85505b0c888e736ba8a6ae49621c500b6e342219c60ce172f8124c850f5def5e5008bfbb5d694bea9c8e9341cb77e6a98e164a15bead4fc432f8e944872fec90d1384f5c3b3f263fac242790fe7b31bc26459e8012801fe33184eb925b01b3d3e868f8aae5ff57b00b91717bc95426458ef912c81cf68c5e664564163da66eaf52177dfeb71b33a7c6bc676f8c834f983a00c91", 0xe8}, {&(0x7f0000000300)="b46589803c68e6d483f29db0c301c592b94bb995c1f2182b53cc1bbb71991a50b2c62799bf7c85", 0x27}, {&(0x7f0000000340)="d910ff41c9cf77957738b0a2aa4df45f962bc6ab7f114e48757831a44e5848b9fa3e4714ef7651819ed3d51f2a6f793ccfd03b3da3e8289d37371a7b689d5fcada8b4777c518cc5f567c6bf76f4e9a25ff61307a344ab76ec9f4f7967cfd2483edf4ae104fa7d4f3c732afbc4e47966f308805848eceae30264331f4ded5ef23b7a2bbaba76fc9657047caebd217b611865af7cd2be2b42612280114d3c3eb45d9b6281dcaf1eb34e30ace112a002a3fae241be9857a87b58a1a281344d8901e267c01dfc2e30c50fca0d976d0c283e4535af234157dfffca02b346d20f889dab79c9e56a136385a4c55", 0xea}, {&(0x7f0000000640)="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", 0x1000}], 0x6, &(0x7f00000004c0)=[@txtime={{0x18, 0x1, 0x3d, 0x9}}], 0x18}, 0x4) r8 = dup2(r4, r3) ioctl$PERF_EVENT_IOC_ENABLE(r8, 0x8912, 0x400200) write$binfmt_elf32(r2, &(0x7f0000000000)=ANY=[], 0x38) [ 632.511483][T24465] dccp_v6_rcv: dropped packet with invalid checksum 23:29:56 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x102, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:29:56 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) r3 = socket$inet6(0xa, 0x2, 0x0) r4 = socket$nl_rdma(0x10, 0x3, 0x14) r5 = dup2(r4, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) write$P9_RMKDIR(r5, &(0x7f0000000000)={0x14, 0x49, 0x2, {0x2, 0x3, 0x5}}, 0x14) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:29:56 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = socket$l2tp(0x2, 0x2, 0x73) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r8, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @macvlan={{0xc, 0x1, 'macvlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_MACVLAN_MODE={0x8, 0x1, 0x8}]}}}, @IFLA_LINK={0x8, 0x5, r8}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x4c}}, 0x0) setsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f00000005c0)={@empty, @empty, r8}, 0xc) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, &(0x7f0000000580)={0x8, &(0x7f0000000000), &(0x7f00000004c0)=[{0x0, 0x3, 0x2, &(0x7f0000000040)=""/3}, {0x3c2c, 0x7c, 0x7, &(0x7f0000000140)=""/124}, {0x3, 0x9e, 0xd4a, &(0x7f0000000240)=""/158}, {0xf1f, 0x15, 0x8, &(0x7f00000001c0)=""/21}, {0x9, 0x1000, 0x1, &(0x7f0000000640)=""/4096}, {0x101, 0x69, 0x3, &(0x7f0000000300)=""/105}, {0xff, 0xf, 0x1, &(0x7f0000000380)=""/15}, {0x44d4, 0xee, 0x5, &(0x7f00000003c0)=""/238}]}) r9 = socket(0x2, 0x3, 0x100000001) bind$inet(r9, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r9, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) [ 632.792725][T24479] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:56 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x21, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:56 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0xaa, &(0x7f0000000240)={@broadcast, @broadcast, @void, {@ipv6={0x86dd, @tipc_packet={0x8, 0x6, '\vut', 0x0, 0x6, 0x0, @mcast2, @private2, {[@dstopts={0x11, 0x0, [], [@generic={0x6, 0x0, "11a8a0bbb06fc8159d180e8baa52eca42b7385bd91bae4eeaf838004662cc5a79c46564029424a1835569022df5ae36bd7959731c71d6810025bd699a96d590a82a95a1e41dd47d75e550c0d9c7c808c0cc9e39a654722cb70a26dff577404f9831b56c9bd46d8009355bd876065859b1432cc2aaa460110250bc58d6715d86cb44b44ce62453f771f76cdeb6486b5894d1a2c085459e9a1e9144372c860c348d358b9dca012c426c73412c8eb6cd36c6f4395fd06f3130ee63c0054da453eb664d17fcf77870cb8a5602047f6492fcf97e1cc9218f9c7765b5f6a73eb0639"}, @ra={0x5, 0x2, 0x2}]}, @srh={0x67, 0x0, 0x4, 0x0, 0xfb, 0x10, 0x2a1, [@private0, @rand_addr=' \x01\x00', @private0, @rand_addr=' \x01\x00']}, @srh={0x67, 0x0, 0x4, 0x0, 0xff, 0x0, 0x3, [@private0, @dev={0xfe, 0x80, [], 0x19}, @local, @initdev={0xfe, 0x88, [], 0x0, 0x0}, @remote, @mcast1, @rand_addr=' \x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02']}, @fragment={0x6, 0x0, 0x81, 0x1, 0x0, 0x17, 0x65}, @routing={0x33, 0x0, 0x2, 0x4, 0x0, [@private0={0xfc, 0x0, [], 0x1}, @mcast2, @dev={0xfe, 0x80, [], 0x11}, @dev={0xfe, 0x80, [], 0x3d}]}, @srh={0xff, 0x0, 0x4, 0x0, 0x20, 0x48, 0x6, [@ipv4={[], [], @private=0xa010102}]}, @routing={0x32, 0x0, 0x0, 0x80, 0x0, [@empty, @private1={0xfc, 0x1, [], 0x1}, @remote, @initdev={0xfe, 0x88, [], 0x1, 0x0}, @mcast1, @loopback, @private0]}], @payload_direct={{{{0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x2, 0x81, 0x0, 0x3, 0x6, 0x3, 0x3, 0x9b7, 0x8, 0x1, 0x4e20, 0x4e20}, 0x0, 0x3}}, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}}}}}}, 0x0) 23:29:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 632.921329][T24486] dccp_v6_rcv: dropped packet with invalid checksum 23:29:56 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = socket$l2tp(0x2, 0x2, 0x73) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r8, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @macvlan={{0xc, 0x1, 'macvlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_MACVLAN_MODE={0x8, 0x1, 0x8}]}}}, @IFLA_LINK={0x8, 0x5, r8}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x4c}}, 0x0) setsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f00000005c0)={@empty, @empty, r8}, 0xc) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, &(0x7f0000000580)={0x8, &(0x7f0000000000), &(0x7f00000004c0)=[{0x0, 0x3, 0x2, &(0x7f0000000040)=""/3}, {0x3c2c, 0x7c, 0x7, &(0x7f0000000140)=""/124}, {0x3, 0x9e, 0xd4a, &(0x7f0000000240)=""/158}, {0xf1f, 0x15, 0x8, &(0x7f00000001c0)=""/21}, {0x9, 0x1000, 0x1, &(0x7f0000000640)=""/4096}, {0x101, 0x69, 0x3, &(0x7f0000000300)=""/105}, {0xff, 0xf, 0x1, &(0x7f0000000380)=""/15}, {0x44d4, 0xee, 0x5, &(0x7f00000003c0)=""/238}]}) r9 = socket(0x2, 0x3, 0x100000001) bind$inet(r9, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) [ 632.976059][T24486] dccp_v6_rcv: dropped packet with invalid checksum [ 632.987852][T24495] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:29:56 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x249, &(0x7f00000004c0)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x213, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @pkt_toobig={0x2, 0x0, 0x0, 0x4, {0x1, 0x6, "523fd0", 0x0, 0x21, 0x0, @dev={0xfe, 0x80, [], 0x16}, @initdev={0xfe, 0x88, [], 0x1, 0x0}, [@routing={0x89, 0xe, 0x2, 0x8, 0x0, [@remote, @ipv4={[], [], @initdev={0xac, 0x1e, 0x1, 0x0}}, @remote, @loopback, @dev={0xfe, 0x80, [], 0x1a}, @loopback, @private1]}, @fragment={0x62, 0x0, 0x8, 0x0, 0x0, 0x7, 0x68}, @srh={0x73, 0x8, 0x4, 0x4, 0xff, 0x70, 0xfc00, [@remote, @loopback, @loopback, @private1]}, @dstopts={0x5c, 0xb, [], [@jumbo={0xc2, 0x4, 0xe00}, @pad1, @calipso={0x7, 0x50, {0x2, 0x12, 0x40, 0x3ff, [0xcfd, 0x3, 0x0, 0x7, 0x4, 0x4500, 0x6, 0x7fff, 0xb3ee]}}]}, @fragment={0x9f, 0x0, 0x2d, 0x0, 0x0, 0x4, 0x67}, @routing={0xc, 0x4, 0x0, 0x4, 0x0, [@empty, @mcast2]}, @routing={0x32, 0x8, 0x0, 0x40, 0x0, [@private0={0xfc, 0x0, [], 0x1}, @private1, @private0={0xfc, 0x0, [], 0x1}, @empty]}], "62ce938f7cd806b8c671eebc7c86c4a70aafe84cbb4fcf0a1ad4d3582d9a1ae616596c642c3ef7e21af0f95da216d942d189a382b1ec8e311f7e1a"}}}}}}}, 0x0) 23:29:56 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x39, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:56 executing program 1: r0 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000000)='/dev/snapshot\x00', 0x400, 0x0) ioctl$RTC_WIE_OFF(r0, 0x7010) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket(0x2, 0x3, 0x100000001) bind$inet(r3, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) r4 = socket$inet6(0xa, 0x2, 0x0) r5 = socket$nl_rdma(0x10, 0x3, 0x14) r6 = dup2(r5, r4) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) setsockopt$IP_VS_SO_SET_DEL(r6, 0x0, 0x484, &(0x7f0000000200)={0x4, @multicast2, 0x4e24, 0x4, 'dh\x00', 0x2, 0x24b67e47, 0x77}, 0x2c) connect$inet(r3, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r3, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r3, &(0x7f0000000140)=ANY=[@ANYBLOB="7f454c460000000000000000000000000000000000000000000000003800000000000000000000000000200000000000000000000000000015fe7b43b3b6671db5a26f4e179542fa79ed5bedfafd6a19415e8cf38b747e1577a1decc26954d0fa5aaae5f2ea6b401e310739368e9405e1b88c4fec49bdf378127cef6f2a94b2e7a24fbd69c5a754a9e7c6cdc"], 0x38) r7 = socket$inet6(0xa, 0x2, 0x0) r8 = socket$nl_rdma(0x10, 0x3, 0x14) r9 = dup2(r8, r7) ioctl$PERF_EVENT_IOC_ENABLE(r9, 0x8912, 0x400200) ioctl$sock_inet_SIOCSIFDSTADDR(r9, 0x8918, &(0x7f0000000040)={'team0\x00', {0x2, 0x4e21, @rand_addr=0x64010101}}) 23:29:56 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:29:56 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = socket$l2tp(0x2, 0x2, 0x73) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r8, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @macvlan={{0xc, 0x1, 'macvlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_MACVLAN_MODE={0x8, 0x1, 0x8}]}}}, @IFLA_LINK={0x8, 0x5, r8}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x4c}}, 0x0) setsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f00000005c0)={@empty, @empty, r8}, 0xc) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, &(0x7f0000000580)={0x8, &(0x7f0000000000), &(0x7f00000004c0)=[{0x0, 0x3, 0x2, &(0x7f0000000040)=""/3}, {0x3c2c, 0x7c, 0x7, &(0x7f0000000140)=""/124}, {0x3, 0x9e, 0xd4a, &(0x7f0000000240)=""/158}, {0xf1f, 0x15, 0x8, &(0x7f00000001c0)=""/21}, {0x9, 0x1000, 0x1, &(0x7f0000000640)=""/4096}, {0x101, 0x69, 0x3, &(0x7f0000000300)=""/105}, {0xff, 0xf, 0x1, &(0x7f0000000380)=""/15}, {0x44d4, 0xee, 0x5, &(0x7f00000003c0)=""/238}]}) socket(0x2, 0x3, 0x100000001) [ 633.252813][T24506] dccp_v6_rcv: dropped packet with invalid checksum [ 633.290359][T24509] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 634.837914][T24490] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=1000 [ 634.859213][T24490] CPU: 1 PID: 24490 Comm: syz-executor.0 Not tainted 5.7.0-rc1-syzkaller #0 [ 634.867897][T24490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 634.877946][T24490] Call Trace: [ 634.881248][T24490] dump_stack+0x11d/0x187 [ 634.885633][T24490] dump_header+0xa7/0x399 [ 634.889972][T24490] oom_kill_process.cold+0x10/0x15 [ 634.895083][T24490] out_of_memory+0x21d/0xa30 [ 634.899678][T24490] __alloc_pages_slowpath.constprop.0+0xc81/0xd90 [ 634.906110][T24490] __alloc_pages_nodemask+0x2bd/0x300 [ 634.911953][T24490] alloc_pages_vma+0xc0/0x390 [ 634.916643][T24490] shmem_alloc_page+0x62/0xf0 [ 634.921347][T24490] shmem_alloc_and_acct_page+0x122/0x450 [ 634.926988][T24490] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 634.932884][T24490] shmem_getpage_gfp+0x30a/0x16c0 [ 634.937927][T24490] ? alloc_set_pte+0x324/0xd80 [ 634.942693][T24490] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 634.948728][T24490] shmem_fault+0x117/0x4b0 [ 634.953162][T24490] __do_fault+0xa8/0x1e0 [ 634.957428][T24490] __handle_mm_fault+0x295c/0x2da0 [ 634.962555][T24490] handle_mm_fault+0x21c/0x540 [ 634.967324][T24490] __get_user_pages+0x533/0x11c0 [ 634.972340][T24490] populate_vma_page_range+0xdc/0x100 [ 634.977720][T24490] __mm_populate+0x168/0x2b0 [ 634.982308][T24490] vm_mmap_pgoff+0x185/0x190 [ 634.986900][T24490] ksys_mmap_pgoff+0x96/0x420 [ 634.991582][T24490] ? debug_smp_processor_id+0x3f/0x129 [ 634.997045][T24490] do_syscall_64+0xc7/0x3b0 [ 635.001554][T24490] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 635.007491][T24490] RIP: 0033:0x45ca29 [ 635.011388][T24490] Code: Bad RIP value. [ 635.015467][T24490] RSP: 002b:00007f48c3439c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 635.023898][T24490] RAX: ffffffffffffffda RBX: 00000000004f5dc0 RCX: 000000000045ca29 [ 635.031874][T24490] RDX: 0000000000000003 RSI: 0000000000b36000 RDI: 0000000020000000 [ 635.039842][T24490] RBP: 000000000078bf00 R08: ffffffffffffffff R09: 0000000000000000 [ 635.047829][T24490] R10: 0000000000008031 R11: 0000000000000246 R12: 00000000ffffffff [ 635.055794][T24490] R13: 000000000000073e R14: 00000000004ca1f5 R15: 00007f48c343a6d4 [ 635.332024][T24490] Mem-Info: [ 635.340586][T24490] active_anon:1710597 inactive_anon:7366 isolated_anon:0 [ 635.340586][T24490] active_file:31 inactive_file:20 isolated_file:0 [ 635.340586][T24490] unevictable:0 dirty:0 writeback:0 unstable:0 [ 635.340586][T24490] slab_reclaimable:10859 slab_unreclaimable:22462 [ 635.340586][T24490] mapped:355826 shmem:1496226 pagetables:15813 bounce:0 [ 635.340586][T24490] free:26577 free_pcp:315 free_cma:0 [ 635.379302][T24490] Node 0 active_anon:3145760kB inactive_anon:28956kB active_file:20kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:736008kB dirty:0kB writeback:0kB shmem:2320368kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 770048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 635.408898][T24490] Node 1 active_anon:3696628kB inactive_anon:508kB active_file:0kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:686996kB dirty:0kB writeback:0kB shmem:3664536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 635.437045][T24490] Node 0 DMA free:14432kB min:188kB low:232kB high:276kB reserved_highatomic:0KB active_anon:1424kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 635.482549][T24490] lowmem_reserve[]: 0 2858 3565 3565 3565 [ 635.488329][T24490] Node 0 DMA32 free:37700kB min:34988kB low:43732kB high:52476kB reserved_highatomic:0KB active_anon:2584428kB inactive_anon:6228kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2929016kB mlocked:0kB kernel_stack:4256kB pagetables:23968kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 635.664974][T24490] lowmem_reserve[]: 0 0 707 707 707 [ 635.670220][T24490] Node 0 Normal free:8460kB min:8660kB low:10824kB high:12988kB reserved_highatomic:0KB active_anon:559908kB inactive_anon:22728kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:724516kB mlocked:0kB kernel_stack:4008kB pagetables:5300kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 635.831617][T24490] lowmem_reserve[]: 0 0 0 0 0 [ 635.853175][T24490] Node 1 Normal free:46132kB min:46268kB low:57832kB high:69396kB reserved_highatomic:0KB active_anon:3696628kB inactive_anon:508kB active_file:0kB inactive_file:12kB unevictable:0kB writepending:0kB present:3932160kB managed:3870248kB mlocked:0kB kernel_stack:5256kB pagetables:33984kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 635.950178][T24490] lowmem_reserve[]: 0 0 0 0 0 [ 635.982498][T24490] Node 0 DMA: 2*4kB (U) 3*8kB (UE) 2*16kB (UM) 3*32kB (UME) 3*64kB (UME) 2*128kB (UE) 2*256kB (UE) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 2*4096kB (M) = 14432kB [ 636.049445][T24490] Node 0 DMA32: 58*4kB (UM) 39*8kB (UME) 37*16kB (UM) 16*32kB (UME) 11*64kB (UME) 1*128kB (M) 1*256kB (U) 1*512kB (M) 2*1024kB (UM) 2*2048kB (UE) 7*4096kB (M) = 38064kB [ 636.129817][T24490] Node 0 Normal: 307*4kB (UME) 167*8kB (UME) 87*16kB (UME) 34*32kB (UME) 36*64kB (UME) 6*128kB (UE) 2*256kB (ME) 1*512kB (E) 0*1024kB 0*2048kB 0*4096kB = 9140kB [ 636.194581][T24490] Node 1 Normal: 196*4kB (UME) 47*8kB (UME) 26*16kB (UME) 12*32kB (UM) 5*64kB (UM) 3*128kB (UM) 3*256kB (UME) 2*512kB (ME) 1*1024kB (E) 0*2048kB 10*4096kB (M) = 46440kB [ 636.262729][T24490] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 636.272321][T24490] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 636.345085][T24490] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 636.431265][T24490] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 636.495255][T24490] 1496297 total pagecache pages [ 636.500135][T24490] 0 pages in swap cache [ 636.550787][T24490] Swap cache stats: add 0, delete 0, find 0/0 [ 636.581245][T24490] Free swap = 0kB [ 636.599513][T24490] Total swap = 0kB [ 636.616789][T24490] 1965979 pages RAM [ 636.620628][T24490] 0 pages HighMem/MovableOnly [ 636.659313][T24490] 81057 pages reserved [ 636.675519][T24490] 0 pages cma reserved [ 636.679630][T24490] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=11188,uid=0 [ 636.752125][T24490] Out of memory: Killed process 11188 (syz-executor.0) total-vm:74844kB, anon-rss:16536kB, file-rss:34624kB, shmem-rss:0kB, UID:0 pgtables:152kB oom_score_adj:1000 23:30:00 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x4e22, 0x0, @ipv4={[], [], @local}, 0x2}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000100)=ANY=[@ANYBLOB="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"], 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) ioctl$DRM_IOCTL_INFO_BUFS(r3, 0xc0106418, &(0x7f0000000000)={0x7ff, 0xa, 0x800, 0x3, 0x5, 0x3ff}) 23:30:00 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) r3 = socket$inet6(0xa, 0x2, 0x0) r4 = socket$nl_rdma(0x10, 0x3, 0x14) r5 = dup2(r4, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) openat$cgroup_int(r5, &(0x7f0000000000)='cgroup.max.depth\x00', 0x2, 0x0) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:30:00 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = socket$l2tp(0x2, 0x2, 0x73) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r8, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @macvlan={{0xc, 0x1, 'macvlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_MACVLAN_MODE={0x8, 0x1, 0x8}]}}}, @IFLA_LINK={0x8, 0x5, r8}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x4c}}, 0x0) setsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f00000005c0)={@empty, @empty, r8}, 0xc) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, &(0x7f0000000580)={0x8, &(0x7f0000000000), &(0x7f00000004c0)=[{0x0, 0x3, 0x2, &(0x7f0000000040)=""/3}, {0x3c2c, 0x7c, 0x7, &(0x7f0000000140)=""/124}, {0x3, 0x9e, 0xd4a, &(0x7f0000000240)=""/158}, {0xf1f, 0x15, 0x8, &(0x7f00000001c0)=""/21}, {0x9, 0x1000, 0x1, &(0x7f0000000640)=""/4096}, {0x101, 0x69, 0x3, &(0x7f0000000300)=""/105}, {0xff, 0xf, 0x1, &(0x7f0000000380)=""/15}, {0x44d4, 0xee, 0x5, &(0x7f00000003c0)=""/238}]}) 23:30:00 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x103, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:30:00 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:00 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x48, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 637.103385][T24535] dccp_v6_rcv: dropped packet with invalid checksum [ 637.110515][T24536] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:30:00 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = socket$l2tp(0x2, 0x2, 0x73) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r8, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @macvlan={{0xc, 0x1, 'macvlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_MACVLAN_MODE={0x8, 0x1, 0x8}]}}}, @IFLA_LINK={0x8, 0x5, r8}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x4c}}, 0x0) setsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f00000005c0)={@empty, @empty, r8}, 0xc) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, &(0x7f0000000580)={0x8, &(0x7f0000000000), &(0x7f00000004c0)=[{0x0, 0x3, 0x2, &(0x7f0000000040)=""/3}, {0x3c2c, 0x7c, 0x7, &(0x7f0000000140)=""/124}, {0x3, 0x9e, 0xd4a, &(0x7f0000000240)=""/158}, {0xf1f, 0x15, 0x8, &(0x7f00000001c0)=""/21}, {0x9, 0x1000, 0x1, &(0x7f0000000640)=""/4096}, {0x101, 0x69, 0x3, &(0x7f0000000300)=""/105}, {0xff, 0xf, 0x1, &(0x7f0000000380)=""/15}, {0x44d4, 0xee, 0x5, &(0x7f00000003c0)=""/238}]}) 23:30:00 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:00 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 637.327494][T24545] dccp_v6_rcv: dropped packet with invalid checksum 23:30:00 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000040)={r3}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000040)={r4}, &(0x7f0000000440)=0x8) getsockopt$inet_sctp_SCTP_STATUS(0xffffffffffffffff, 0x84, 0xe, &(0x7f0000000340)={r3, 0x2, 0x4, 0x3f, 0x78ff, 0x7, 0x1, 0x3, {r4, @in={{0x2, 0x4e24, @initdev={0xac, 0x1e, 0x0, 0x0}}}, 0x2, 0x10000, 0x4, 0x100, 0x5}}, &(0x7f00000001c0)=0xb0) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)=ANY=[@ANYBLOB="7f454c4600000000000000000000000000000000000000000000400038000000000000000000000000002000"/56], 0x38) r5 = syz_open_dev$audion(&(0x7f0000000000)='/dev/audio#\x00', 0x3, 0x2000) accept4$x25(r5, &(0x7f0000000040), &(0x7f0000000140)=0x12, 0x80000) r6 = socket$inet6(0xa, 0x2, 0x0) r7 = socket$nl_rdma(0x10, 0x3, 0x14) dup2(r7, r6) sendmmsg(r6, &(0x7f0000000400), 0x40000000000017a, 0x0) getsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, &(0x7f0000000240)={{{@in=@multicast2, @in6=@dev}}, {{@in6=@local}}}, &(0x7f0000000180)=0xe8) 23:30:00 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000)='/dev/input/mice\x00', 0x103881) writev(r4, &(0x7f0000000040), 0x55) r5 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000)='/dev/input/mice\x00', 0x103881) writev(r5, &(0x7f0000000040), 0x55) ioctl$NS_GET_OWNER_UID(r5, 0xb704, &(0x7f0000000140)=0x0) mount$9p_fd(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='9p\x00', 0x20000, &(0x7f00000006c0)={'trans=fd,', {'rfdno', 0x3d, r4}, 0x2c, {'wfdno'}, 0x2c, {[{@cache_mmap='cache=mmap'}, {@access_uid={'access', 0x3d, r6}}, {@afid={'afid', 0x3d, 0x3}}], [{@obj_role={'obj_role', 0x3d, '%*/selinuxvmnet1:'}}, {@dont_appraise='dont_appraise'}, {@fowner_lt={'fowner<', 0xee00}}, {@uid_lt={'uid<'}}, {@pcr={'pcr', 0x3d, 0x33}}, {@fsname={'fsname', 0x3d, '/,vboxnet1'}}]}}) r7 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000)='/dev/input/mice\x00', 0x103881) writev(r7, &(0x7f0000000040), 0x55) r8 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000)='/dev/input/mice\x00', 0x103881) writev(r8, &(0x7f0000000040)=[{&(0x7f0000000480)="4b86fd965c7b3ded7427978e58cf8196d7bdcd0fabd005cd1b586bc60b97a5982bd7ed209749680e3e3625157d984db8fa98346a3da156b3034e4148e721d09bc3548ac38658ac156a5070f55f3acd084a6d616cec6a61f4d302b6e5046b5213e535c4090c2a5108cf4bb5f9c7f46ddd8340ae76948003fbd6bdc00229802c35c226c481ade42d01c333947160827df8353d80191f20b6157b7f2405990fc417ff2a80ea26201558", 0xa8}, {&(0x7f0000000380)="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", 0xfc}], 0x2) ioctl$NS_GET_OWNER_UID(r8, 0xb704, &(0x7f0000000140)=0x0) mount$9p_fd(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='9p\x00', 0x20000, &(0x7f0000000540)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r7, @ANYBLOB=',wfdno=', @ANYRESHEX, @ANYBLOB=',cache=mmap,access=', @ANYRESDEC=r9, @ANYBLOB=',afid=0x0000000000000003,obj_role=%*/selinuxvmnet1:,dont_appraise,fowner<', @ANYRESDEC=0xee00, @ANYBLOB="2d7569643cdbaa770b3d39fc222c5d55cb4858592a5196f441746a6adce27617a16e8cef968ced49a9d32d03ce4d46161a293ee6500a9cd7e301f7e1ebe779e6c9fe141024aaa6af4b28ad5bb80fae0478ab1057c7a1425d9212bc689bd3d7454be9ac8e7609c9060a4358ca4fb5cdf0643ffd3a42bbc9ec53699a527df54cd30ba7374bc5b8352bb99564b468139a9ceb4f729f7e87fd871083865a0a41c077f0996820a86dd3c8", @ANYRESDEC=0x0, @ANYBLOB=',\x00']) ioctl$TUNSETOWNER(r4, 0x400454cc, r9) [ 637.367707][T24546] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:30:00 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = socket$l2tp(0x2, 0x2, 0x73) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r8, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @macvlan={{0xc, 0x1, 'macvlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_MACVLAN_MODE={0x8, 0x1, 0x8}]}}}, @IFLA_LINK={0x8, 0x5, r8}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x4c}}, 0x0) setsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f00000005c0)={@empty, @empty, r8}, 0xc) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) ioctl$DRM_IOCTL_MAP_BUFS(r0, 0xc0186419, &(0x7f0000000580)={0x8, &(0x7f0000000000), &(0x7f00000004c0)=[{0x0, 0x3, 0x2, &(0x7f0000000040)=""/3}, {0x3c2c, 0x7c, 0x7, &(0x7f0000000140)=""/124}, {0x3, 0x9e, 0xd4a, &(0x7f0000000240)=""/158}, {0xf1f, 0x15, 0x8, &(0x7f00000001c0)=""/21}, {0x9, 0x1000, 0x1, &(0x7f0000000640)=""/4096}, {0x101, 0x69, 0x3, &(0x7f0000000300)=""/105}, {0xff, 0xf, 0x1, &(0x7f0000000380)=""/15}, {0x44d4, 0xee, 0x5, &(0x7f00000003c0)=""/238}]}) 23:30:00 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x60, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:00 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:00 executing program 1: socketpair$unix(0x1, 0xd, 0x0, &(0x7f0000000000)) r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket$nl_rdma(0x10, 0x3, 0x14) r2 = dup2(r1, r0) sendmmsg(r0, &(0x7f0000000400), 0x40000000000017a, 0x0) r3 = socket$inet6(0xa, 0x2, 0x0) r4 = socket$nl_rdma(0x10, 0x3, 0x14) dup2(r4, r3) r5 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = socket(0x2, 0x3, 0x100000001) bind$inet(r6, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000040)={r7}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r3, 0x84, 0x11, &(0x7f0000000040)={r7, 0xb238}, &(0x7f0000000100)=0x8) setsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r2, 0x84, 0x22, &(0x7f0000000140)={0x7f, 0x200, 0x8, 0x3, r8}, 0x10) connect$inet(r6, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r6, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r6, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:30:00 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) r2 = socket$l2tp(0x2, 0x2, 0x73) r3 = socket$nl_route(0x10, 0x3, 0x0) r4 = socket(0x1, 0x803, 0x0) getsockname$packet(r4, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r6 = socket$netlink(0x10, 0x3, 0x0) r7 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r7, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r7, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r6, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r8, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r3, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @macvlan={{0xc, 0x1, 'macvlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_MACVLAN_MODE={0x8, 0x1, 0x8}]}}}, @IFLA_LINK={0x8, 0x5, r8}, @IFLA_MASTER={0x8, 0xa, r5}]}, 0x4c}}, 0x0) setsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f00000005c0)={@empty, @empty, r8}, 0xc) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socket(0x2, 0x3, 0x100000001) 23:30:01 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x68, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 637.805042][T24571] net_ratelimit: 3 callbacks suppressed [ 637.805050][T24571] dccp_v6_rcv: dropped packet with invalid checksum 23:30:01 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x104, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:30:01 executing program 1: setsockopt$inet_sctp6_SCTP_AUTH_CHUNK(0xffffffffffffffff, 0x84, 0x15, &(0x7f0000000000)={0x97}, 0x1) r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket$nl_rdma(0x10, 0x3, 0x14) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) pidfd_getfd(r2, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) r5 = socket(0x2, 0x3, 0x100000001) bind$inet(r5, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r5, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r5, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r5, &(0x7f0000000200)=ANY=[@ANYBLOB="7f454c5600000000000000000000000000000000000000000000000038000000000000000000000000002000"/56], 0x38) 23:30:01 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:01 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r0) r1 = socket$l2tp(0x2, 0x2, 0x73) r2 = socket$nl_route(0x10, 0x3, 0x0) r3 = socket(0x1, 0x803, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r5 = socket$netlink(0x10, 0x3, 0x0) r6 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r6, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r6, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r5, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r7, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r2, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @macvlan={{0xc, 0x1, 'macvlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_MACVLAN_MODE={0x8, 0x1, 0x8}]}}}, @IFLA_LINK={0x8, 0x5, r7}, @IFLA_MASTER={0x8, 0xa, r4}]}, 0x4c}}, 0x0) setsockopt$inet_mreqn(r1, 0x0, 0x23, &(0x7f00000005c0)={@empty, @empty, r7}, 0xc) socket(0x2, 0x3, 0x100000001) 23:30:01 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6c, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:01 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, '\x00', 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x73, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 638.491984][T24589] dccp_v6_rcv: dropped packet with invalid checksum [ 638.521558][T24592] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:30:01 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r0) socket$l2tp(0x2, 0x2, 0x73) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = socket(0x1, 0x803, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r4 = socket$netlink(0x10, 0x3, 0x0) r5 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r5, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r5, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r4, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r6, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) sendmsg$nl_route(r1, &(0x7f0000000080)={0x0, 0x1cd80100, &(0x7f0000000000)={&(0x7f0000000300)=@newlink={0x4c, 0x10, 0x401, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @macvlan={{0xc, 0x1, 'macvlan\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_MACVLAN_MODE={0x8, 0x1, 0x8}]}}}, @IFLA_LINK={0x8, 0x5, r6}, @IFLA_MASTER={0x8, 0xa, r3}]}, 0x4c}}, 0x0) socket(0x2, 0x3, 0x100000001) 23:30:01 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000140)=ANY=[@ANYBLOB="7f454c4600000000000000000000000000000000000000000000000038000000000000000000001143547900000000000000000000000000b066f7510109958fb5cdb99dd3635e1c09c2f86ee40574e0776b26fe26886efb4489ee8917de0c1ff4b9819108e7cb9e22a95f053a7e0db14bd0098d1629eb89892a47fb1291c6a8df9f"], 0x38) r3 = socket$inet6(0xa, 0x2, 0x0) r4 = socket$nl_rdma(0x10, 0x3, 0x14) r5 = dup2(r4, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$VIDIOC_S_STD(r5, 0x40085618, &(0x7f0000000000)=0x50007) 23:30:01 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x74, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:02 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x11, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 638.831409][T24601] dccp_v6_rcv: dropped packet with invalid checksum 23:30:02 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x0) r1 = socket$nl_rdma(0x10, 0x3, 0x14) r2 = dup2(r1, r0) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) ioctl$VIDIOC_G_EXT_CTRLS(r2, 0xc0205647, &(0x7f0000000140)={0x9b0000, 0x0, 0x8, 0xffffffffffffffff, 0x0, &(0x7f0000000100)={0x9b0907, 0xf85, [], @value64=0x2}}) ioctl$LOOP_SET_DIRECT_IO(r3, 0x4c08, 0x8) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$SCSI_IOCTL_BENCHMARK_COMMAND(0xffffffffffffffff, 0x3) r4 = socket$inet6(0xa, 0x2, 0x0) r5 = socket$nl_rdma(0x10, 0x3, 0x14) r6 = dup2(r5, r4) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x9) r7 = socket$inet6(0xa, 0x2, 0x0) r8 = socket$nl_rdma(0x10, 0x3, 0x14) dup2(r8, r7) r9 = fcntl$dupfd(r6, 0x406, r8) setsockopt$inet_MCAST_LEAVE_GROUP(r9, 0x0, 0x2d, &(0x7f0000000000)={0x8000, {{0x2, 0x4e22, @multicast2}}}, 0x88) r10 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r10, &(0x7f00000000c0)={0xa, 0x0, 0x1, @private1={0xfc, 0x1, [], 0x1}}, 0x1c) syz_emit_ethernet(0x24e, &(0x7f00000002c0)=ANY=[@ANYBLOB="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"/590], 0x0) [ 638.871562][T24602] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:30:02 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7a, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 639.491657][T24618] dccp_v6_rcv: dropped packet with invalid checksum [ 639.607081][T24618] dccp_v6_rcv: dropped packet with invalid checksum [ 641.091501][ T8924] syz-executor.0 invoked oom-killer: gfp_mask=0x100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 641.119738][ T8924] CPU: 0 PID: 8924 Comm: syz-executor.0 Not tainted 5.7.0-rc1-syzkaller #0 [ 641.128353][ T8924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 641.139446][ T8924] Call Trace: [ 641.142749][ T8924] dump_stack+0x11d/0x187 [ 641.147109][ T8924] dump_header+0xa7/0x399 [ 641.151643][ T8924] oom_kill_process.cold+0x10/0x15 [ 641.156757][ T8924] out_of_memory+0x21d/0xa30 [ 641.161446][ T8924] __alloc_pages_slowpath.constprop.0+0xc81/0xd90 [ 641.167916][ T8924] __alloc_pages_nodemask+0x2bd/0x300 [ 641.173284][ T8924] alloc_pages_current+0xca/0x170 [ 641.178385][ T8924] __page_cache_alloc+0x17f/0x1a0 [ 641.183438][ T8924] pagecache_get_page+0x251/0x8c0 [ 641.188461][ T8924] filemap_fault+0xe0d/0x1410 [ 641.193144][ T8924] ext4_filemap_fault+0x5b/0x74 [ 641.198017][ T8924] __do_fault+0xa8/0x1e0 [ 641.202267][ T8924] __handle_mm_fault+0x295c/0x2da0 [ 641.207418][ T8924] handle_mm_fault+0x21c/0x540 [ 641.212230][ T8924] do_page_fault+0x48a/0xa96 [ 641.216827][ T8924] ? prepare_exit_to_usermode+0x169/0x1e0 [ 641.222542][ T8924] page_fault+0x34/0x40 [ 641.226689][ T8924] RIP: 0033:0x4105ae [ 641.230582][ T8924] Code: Bad RIP value. [ 641.234645][ T8924] RSP: 002b:00007ffff8836130 EFLAGS: 00010206 [ 641.240772][ T8924] RAX: 000000000009c785 RBX: 000000000009c70a RCX: 000000000009c400 [ 641.248735][ T8924] RDX: 0000001b31720000 RSI: 0000000000000000 RDI: 0000000000000001 [ 641.256718][ T8924] RBP: 00000000000006db R08: 0000000000000001 R09: 0000000000e1f940 [ 641.264681][ T8924] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 [ 641.272646][ T8924] R13: 00007ffff8836160 R14: 000000000009be6b R15: 00007ffff8836170 [ 641.305461][ T8924] Mem-Info: [ 641.308694][ T8924] active_anon:1712233 inactive_anon:5787 isolated_anon:0 [ 641.308694][ T8924] active_file:45 inactive_file:0 isolated_file:0 [ 641.308694][ T8924] unevictable:0 dirty:2 writeback:0 unstable:0 [ 641.308694][ T8924] slab_reclaimable:10840 slab_unreclaimable:22450 [ 641.308694][ T8924] mapped:355205 shmem:1500392 pagetables:15829 bounce:0 [ 641.308694][ T8924] free:26617 free_pcp:0 free_cma:0 [ 641.403816][ T8924] Node 0 active_anon:3152372kB inactive_anon:23228kB active_file:112kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):16kB mapped:734392kB dirty:0kB writeback:0kB shmem:2337564kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 753664kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 641.433809][ T8924] Node 1 active_anon:3696664kB inactive_anon:460kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:686972kB dirty:0kB writeback:0kB shmem:3664524kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 641.461875][ T8924] Node 0 DMA free:14432kB min:188kB low:232kB high:276kB reserved_highatomic:0KB active_anon:1424kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 641.491463][ T8924] lowmem_reserve[]: 0 2858 3565 3565 3565 [ 641.497203][ T8924] Node 0 DMA32 free:37832kB min:34988kB low:43732kB high:52476kB reserved_highatomic:0KB active_anon:2588112kB inactive_anon:2620kB active_file:16kB inactive_file:24kB unevictable:0kB writepending:0kB present:3129332kB managed:2929016kB mlocked:0kB kernel_stack:4244kB pagetables:24096kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 641.529059][ T8924] lowmem_reserve[]: 0 0 707 707 707 [ 641.534557][ T8924] Node 0 Normal free:8456kB min:8660kB low:10824kB high:12988kB reserved_highatomic:0KB active_anon:562836kB inactive_anon:20612kB active_file:4kB inactive_file:48kB unevictable:0kB writepending:0kB present:786432kB managed:724516kB mlocked:0kB kernel_stack:3936kB pagetables:5236kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 641.566478][ T8924] lowmem_reserve[]: 0 0 0 0 0 [ 641.571144][ T8924] Node 1 Normal free:46448kB min:46268kB low:57832kB high:69396kB reserved_highatomic:0KB active_anon:3696664kB inactive_anon:460kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:3870248kB mlocked:0kB kernel_stack:5260kB pagetables:33988kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 641.602614][ T8924] lowmem_reserve[]: 0 0 0 0 0 [ 641.607271][ T8924] Node 0 DMA: 2*4kB (U) 3*8kB (UE) 2*16kB (UM) 3*32kB (UME) 3*64kB (UME) 2*128kB (UE) 2*256kB (UE) 2*512kB (ME) 2*1024kB (UE) 1*2048kB (E) 2*4096kB (M) = 14432kB [ 641.623533][ T8924] Node 0 DMA32: 60*4kB (UME) 51*8kB (UM) 36*16kB (UME) 12*32kB (UM) 10*64kB (UME) 2*128kB (UM) 0*256kB 1*512kB (M) 2*1024kB (UM) 2*2048kB (UE) 7*4096kB (M) = 37832kB [ 641.640192][ T8924] Node 0 Normal: 292*4kB (UME) 195*8kB (UME) 68*16kB (UME) 25*32kB (UME) 32*64kB (UME) 6*128kB (UME) 2*256kB (ME) 1*512kB (E) 0*1024kB 0*2048kB 0*4096kB = 8456kB [ 641.656763][ T8924] Node 1 Normal: 198*4kB (UME) 47*8kB (UME) 26*16kB (UME) 12*32kB (UM) 5*64kB (UM) 3*128kB (UM) 3*256kB (UME) 2*512kB (ME) 1*1024kB (E) 0*2048kB 10*4096kB (M) = 46448kB [ 641.674228][ T8924] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 641.683875][ T8924] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 641.693418][ T8924] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 641.702970][ T8924] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 641.712269][ T8924] 1500555 total pagecache pages [ 641.717097][ T8924] 0 pages in swap cache [ 641.721260][ T8924] Swap cache stats: add 0, delete 0, find 0/0 [ 641.727342][ T8924] Free swap = 0kB [ 641.731065][ T8924] Total swap = 0kB [ 641.734784][ T8924] 1965979 pages RAM [ 641.738564][ T8924] 0 pages HighMem/MovableOnly [ 641.743245][ T8924] 81057 pages reserved [ 641.747289][ T8924] 0 pages cma reserved [ 641.751410][ T8924] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor.0,pid=11159,uid=0 [ 641.765703][ T8924] Out of memory: Killed process 11159 (syz-executor.0) total-vm:74844kB, anon-rss:16536kB, file-rss:34624kB, shmem-rss:0kB, UID:0 pgtables:152kB oom_score_adj:1000 23:30:05 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x21, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:05 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x105, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:30:05 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xff, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:05 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$inet6(0xa, 0x2, 0x0) r3 = socket$nl_rdma(0x10, 0x3, 0x14) r4 = dup2(r3, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) ioctl$BLKRAGET(r4, 0x1263, &(0x7f0000000080)) r5 = socket$nl_rdma(0x10, 0x3, 0x14) r6 = dup2(r5, r1) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$sock_inet_SIOCSIFADDR(r6, 0x8916, &(0x7f0000000000)={'team0\x00', {0x2, 0x4e24, @private=0xa010101}}) ioctl$SIOCAX25ADDFWD(r6, 0x89ea, &(0x7f0000000040)={@remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x3}, @default}) 23:30:05 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r0) socket$l2tp(0x2, 0x2, 0x73) socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x1, 0x803, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$nl_route(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000080)=ANY=[@ANYBLOB='H\x00\x00\x00', @ANYRES32=r4, @ANYBLOB="0000000000000000280012000900010076657468"], 0x48}}, 0x0) socket(0x2, 0x3, 0x100000001) 23:30:05 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) r3 = syz_open_dev$mouse(&(0x7f0000000000)='/dev/input/mouse#\x00', 0x9, 0x404100) ioctl$SG_SET_RESERVED_SIZE(r3, 0x2275, &(0x7f0000000040)=0x5) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) [ 642.107708][T24633] dccp_v6_rcv: dropped packet with invalid checksum [ 642.124034][T24636] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:30:05 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r0) socket$l2tp(0x2, 0x2, 0x73) socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x1, 0x803, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) socket(0x2, 0x3, 0x100000001) 23:30:05 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) ioctl$RTC_WKALM_RD(r1, 0x80287010, &(0x7f0000000040)) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) ioctl$sock_SIOCETHTOOL(r2, 0x8946, &(0x7f0000000180)={'ip6gretap0\x00', &(0x7f0000000140)=@ethtool_test={0x1a, 0x20, 0x34db, 0x4, [0x3, 0x8001, 0x9, 0x8000]}}) r3 = socket$inet6(0xa, 0x2, 0x0) r4 = socket$nl_rdma(0x10, 0x3, 0x14) r5 = dup2(r4, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$VIDIOC_TRY_ENCODER_CMD(r5, 0xc028564e, &(0x7f0000000000)={0x2, 0x1, [0x2, 0x4, 0x6, 0xffffffdb, 0x3, 0x7, 0x8, 0x7fff]}) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:30:05 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x39, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:05 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:05 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) r1 = socket$inet6(0xa, 0x2, 0x0) r2 = socket$nl_rdma(0x10, 0x3, 0x14) r3 = dup2(r2, r1) r4 = socket$inet6(0xa, 0x2, 0x0) r5 = socket$nl_rdma(0x10, 0x3, 0x14) r6 = dup2(r5, r4) ioctl$PERF_EVENT_IOC_ENABLE(r6, 0x8912, 0x400200) ioctl$VIDIOC_QUERYSTD(r6, 0x8008563f, &(0x7f0000000180)) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f000095dff8)={0x1, [0x0]}, 0x0) getsockopt$inet_sctp6_SCTP_SOCKOPT_PEELOFF(0xffffffffffffffff, 0x84, 0x66, &(0x7f0000000040)={r7}, &(0x7f0000000140)=0x8) getsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffffff, 0x84, 0x75, &(0x7f0000000040)={r7, 0x10000}, &(0x7f0000000080)=0x8) getsockopt$inet_sctp6_SCTP_CONTEXT(r3, 0x84, 0x11, &(0x7f0000000100)={r8, 0x6df2}, &(0x7f0000000140)=0x8) r9 = socket$inet6(0xa, 0x2, 0x0) r10 = socket$nl_rdma(0x10, 0x3, 0x14) dup2(r10, r9) syz_emit_ethernet(0x6e, &(0x7f0000000000)=ANY=[@ANYRES64=r10], 0x0) [ 642.396316][T24651] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:30:05 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = syz_open_dev$ttys(0xc, 0x2, 0x0) ioctl$KDSETMODE(r2, 0x4b3a, 0x0) r3 = socket(0x2, 0x3, 0x100000001) bind$inet(r3, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r3, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r3, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r3, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:30:05 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r0) socket$l2tp(0x2, 0x2, 0x73) socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x1, 0x803, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f0000000280)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) socket(0x2, 0x3, 0x100000001) 23:30:05 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x48, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:05 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:05 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x103e, &(0x7f00000002c0)={@broadcast, @dev={[], 0x2c}, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x1008, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @echo_reply={0x81, 0x0, 0x0, 0x100, 0x7, "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"}}}}}}, 0x0) 23:30:06 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) r3 = socket$inet6(0xa, 0x2, 0x0) r4 = socket$nl_rdma(0x10, 0x3, 0x14) r5 = dup2(r4, r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$TCXONC(r5, 0x540a, 0x3) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) 23:30:06 executing program 0: mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x3, 0x8031, 0xffffffffffffffff, 0x0) r0 = clone3(&(0x7f0000001680)={0x0, 0x0, 0x0, 0x0, {}, 0x0, 0x0, 0x0, 0x0}, 0x50) process_vm_writev(r0, &(0x7f0000002480)=[{&(0x7f00000001c0)=""/4096, 0x1000}], 0x106, &(0x7f0000003500)=[{&(0x7f0000002500)=""/4096, 0x200011c0}], 0x275, 0x0) 23:30:06 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:06 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x4c, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:06 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r0) socket$l2tp(0x2, 0x2, 0x73) socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x1, 0x803, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) socket$netlink(0x10, 0x3, 0x0) socket(0x10, 0x803, 0x0) socket(0x2, 0x3, 0x100000001) 23:30:06 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}}, 0x38) creat(&(0x7f0000000000)='./file0\x00', 0x46) 23:30:06 executing program 4: r0 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x3) r2 = dup(r1) ioctl$PERF_EVENT_IOC_SET_FILTER(r2, 0x8b1a, &(0x7f0000000040)='wlan0\x00') r3 = socket$inet6(0xa, 0x3, 0x6) r4 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r3, r4, &(0x7f0000000240)=0x202, 0x4000000000dc) r5 = socket$inet6(0xa, 0x3, 0x6) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r5, 0x29, 0x20, &(0x7f0000000000)={@initdev={0xfe, 0x88, [], 0x1, 0x0}, 0x80000000, 0x0, 0x1, 0x1, 0xfffb, 0x0, 0x400000000}, 0x20) r6 = syz_open_procfs(0x0, &(0x7f00000004c0)='net/ip6_flowlabel\x00') sendfile(r5, r6, &(0x7f0000000240)=0x202, 0x4000000000dc) r7 = dup2(r5, r3) r8 = syz_genetlink_get_family_id$smc(&(0x7f0000003740)='SMC_PNETID\x00') sendmsg$SMC_PNETID_FLUSH(r7, &(0x7f0000003800)={&(0x7f0000003700)={0x10, 0x0, 0x0, 0x4}, 0xc, &(0x7f00000037c0)={&(0x7f0000000040)=ANY=[@ANYBLOB="2800a9f6c7197b083edc5857384ed2982d0300", @ANYRES16=r8, @ANYBLOB="08002bbd7000fedbdf250400000014000200766972745f7769666930000000000000"], 0x28}, 0x1, 0x0, 0x0, 0x801}, 0x4004800) sendmsg$SMC_PNETID_GET(r2, &(0x7f0000000180)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000140)={&(0x7f0000000080)={0x90, r8, 0x1, 0x70bd28, 0x25dfdbfc, {}, [@SMC_PNETID_ETHNAME={0x14, 0x2, 'geneve1\x00'}, @SMC_PNETID_NAME={0x9, 0x1, 'syz0\x00'}, @SMC_PNETID_ETHNAME={0x14, 0x2, 'bond0\x00'}, @SMC_PNETID_IBNAME={0x9, 0x3, 'syz0\x00'}, @SMC_PNETID_NAME={0x9, 0x1, 'syz1\x00'}, @SMC_PNETID_ETHNAME={0x14, 0x2, 'macvlan0\x00'}, @SMC_PNETID_IBPORT={0x5, 0x4, 0x2}, @SMC_PNETID_NAME={0x9, 0x1, 'syz0\x00'}, @SMC_PNETID_IBPORT={0x5, 0x4, 0x1}]}, 0x90}, 0x1, 0x0, 0x0, 0x4004000}, 0xc094) sendmsg$SMC_PNETID_DEL(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x60, r8, 0xc0d, 0x70bd2b, 0x25dfdbfd, {}, [@SMC_PNETID_IBPORT={0x5, 0x4, 0x81}, @SMC_PNETID_NAME={0x9, 0x1, 'syz1\x00'}, @SMC_PNETID_IBPORT={0x5, 0x4, 0x1}, @SMC_PNETID_IBPORT={0x5, 0x4, 0x2}, @SMC_PNETID_ETHNAME={0x14, 0x2, 'veth1\x00'}, @SMC_PNETID_ETHNAME={0x14, 0x2, 'veth1_macvtap\x00'}]}, 0x60}, 0x1, 0x0, 0x0, 0x90}, 0x0) r9 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) connect$inet6(r9, &(0x7f00000000c0)={0xa, 0x0, 0x0, @empty}, 0x1c) syz_emit_ethernet(0x6e, &(0x7f0000000240)={@broadcast, @dev, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "d64d4d", 0x38, 0x3a, 0x0, @local={0xfe, 0x80, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3]}, @mcast2, {[], @dest_unreach={0x2, 0x0, 0x0, 0x0, [], {0x0, 0x6, '$\x00@', 0x0, 0x3a, 0x0, @empty={[0xff]}, @loopback, [], "050c68dee3b1caad"}}}}}}}, 0x0) [ 643.786748][T24687] net_ratelimit: 3 callbacks suppressed [ 643.786761][T24687] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 23:30:07 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r0) socket$l2tp(0x2, 0x2, 0x73) socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x1, 0x803, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) socket$netlink(0x10, 0x3, 0x0) socket(0x2, 0x3, 0x100000001) 23:30:07 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x60, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) 23:30:07 executing program 5: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) dup(r0) socket$l2tp(0x2, 0x2, 0x73) socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x1, 0x803, 0x0) getsockname$packet(r1, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) socket(0x2, 0x3, 0x100000001) [ 644.329157][T24691] dccp_v6_rcv: dropped packet with invalid checksum 23:30:07 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x2, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 644.488651][T24707] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 644.501450][T24708] dccp_v6_rcv: dropped packet with invalid checksum 23:30:07 executing program 1: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x2, 0x3, 0x100000001) setsockopt$netrom_NETROM_T1(r1, 0x103, 0x1, &(0x7f0000000000)=0x20, 0x4) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x79) connect$inet(r2, &(0x7f00000000c0)={0x2, 0x0, @multicast1}, 0x10) sendto(r2, &(0x7f0000000600)="0400", 0x2, 0x8002, 0x0, 0x0) write$binfmt_elf32(r2, &(0x7f0000000200)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x1, 0x40, 0x38, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x8}}, 0x38) 23:30:07 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) syz_emit_ethernet(0x47, &(0x7f0000000140)={@local, @empty, @void, {@ipv6={0x86dd, @dccp_packet={0x0, 0x6, '\x00', 0x11, 0x21, 0x0, @dev={0xfe, 0x80, [0x2, 0x0, 0x0, 0x0, 0x0, 0x68, 0x0, 0x0, 0x2]}, @local, {[], {{0x0, 0x0, 0x4, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, "788670", 0x0, "2c8ce2"}, "ae"}}}}}}, 0x0) [ 645.289369][T24718] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 645.339874][T24718] dccp_invalid_packet: P.type (REQUEST) not Data || [Data]Ack, while P.X == 0 [ 646.666572][ T2678] ================================================================== [ 646.674704][ T2678] BUG: KCSAN: data-race in list_lru_count_one / list_lru_del [ 646.682050][ T2678] [ 646.684377][ T2678] write to 0xffff88812ad05198 of 8 bytes by task 8909 on cpu 1: [ 646.692002][ T2678] list_lru_del+0x1dc/0x2a0 [ 646.696494][ T2678] workingset_update_node+0x9e/0x120 [ 646.701771][ T2678] xas_store+0x218/0xd10 [ 646.706005][ T2678] __add_to_page_cache_locked+0x33b/0x800 [ 646.711713][ T2678] add_to_page_cache_lru+0xc7/0x260 [ 646.716904][ T2678] ext4_mpage_readpages+0x31c/0x14d0 [ 646.722179][ T2678] ext4_readpages+0x8e/0xb0 [ 646.726678][ T2678] read_pages+0xa2/0x360 [ 646.730917][ T2678] __do_page_cache_readahead+0x358/0x380 [ 646.736545][ T2678] filemap_fault+0x1027/0x1410 [ 646.741303][ T2678] ext4_filemap_fault+0x5b/0x74 [ 646.746163][ T2678] __do_fault+0xa8/0x1e0 [ 646.750394][ T2678] __handle_mm_fault+0x295c/0x2da0 [ 646.755495][ T2678] handle_mm_fault+0x21c/0x540 [ 646.760247][ T2678] do_page_fault+0x48a/0xa96 [ 646.764826][ T2678] page_fault+0x34/0x40 [ 646.768962][ T2678] [ 646.771284][ T2678] read to 0xffff88812ad05198 of 8 bytes by task 2678 on cpu 0: [ 646.778830][ T2678] list_lru_count_one+0xb4/0x120 [ 646.783757][ T2678] count_shadow_nodes+0x4f/0x490 [ 646.788712][ T2678] do_shrink_slab+0xb3/0x5b0 [ 646.793285][ T2678] shrink_slab+0x153/0x540 [ 646.797706][ T2678] shrink_node+0x357/0x1000 [ 646.802195][ T2678] balance_pgdat+0x658/0xd20 [ 646.806772][ T2678] kswapd+0x3f3/0x8c0 [ 646.810742][ T2678] kthread+0x203/0x230 [ 646.814798][ T2678] ret_from_fork+0x1f/0x30 [ 646.819189][ T2678] [ 646.821499][ T2678] Reported by Kernel Concurrency Sanitizer on: [ 646.827644][ T2678] CPU: 0 PID: 2678 Comm: kswapd0 Not tainted 5.7.0-rc1-syzkaller #0 [ 646.835599][ T2678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 646.845659][ T2678] ================================================================== [ 646.853721][ T2678] Kernel panic - not syncing: panic_on_warn set ... [ 646.860303][ T2678] CPU: 0 PID: 2678 Comm: kswapd0 Not tainted 5.7.0-rc1-syzkaller #0 [ 646.868260][ T2678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 646.878301][ T2678] Call Trace: [ 646.881587][ T2678] dump_stack+0x11d/0x187 [ 646.885914][ T2678] panic+0x210/0x640 [ 646.889812][ T2678] ? vprintk_func+0x89/0x13a [ 646.894396][ T2678] kcsan_report.cold+0xc/0x1a [ 646.899086][ T2678] kcsan_setup_watchpoint+0x3fb/0x440 [ 646.904459][ T2678] list_lru_count_one+0xb4/0x120 [ 646.909395][ T2678] count_shadow_nodes+0x4f/0x490 [ 646.914330][ T2678] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 646.920220][ T2678] ? __read_once_size+0x7c/0x100 [ 646.925161][ T2678] do_shrink_slab+0xb3/0x5b0 [ 646.929760][ T2678] ? __sanitizer_cov_trace_switch+0x45/0x70 [ 646.935649][ T2678] shrink_slab+0x153/0x540 [ 646.940071][ T2678] shrink_node+0x357/0x1000 [ 646.944584][ T2678] balance_pgdat+0x658/0xd20 [ 646.949184][ T2678] kswapd+0x3f3/0x8c0 [ 646.953163][ T2678] ? finish_wait+0x80/0x80 [ 646.957580][ T2678] ? balance_pgdat+0xd20/0xd20 [ 646.962332][ T2678] kthread+0x203/0x230 [ 646.966394][ T2678] ? kthread_unpark+0xd0/0xd0 [ 646.971063][ T2678] ret_from_fork+0x1f/0x30 [ 646.976846][ T2678] Kernel Offset: disabled [ 646.981159][ T2678] Rebooting in 86400 seconds..