Warning: Permanently added '10.128.1.15' (ECDSA) to the list of known hosts. 2023/02/17 13:24:57 fuzzer started 2023/02/17 13:24:57 dialing manager at 10.128.0.248:64432 2023/02/17 13:24:57 syscalls: 853 2023/02/17 13:24:57 code coverage: enabled 2023/02/17 13:24:57 comparison tracing: enabled 2023/02/17 13:24:57 extra coverage: support is not implemented in syzkaller 2023/02/17 13:24:57 delay kcov mmap: enabled 2023/02/17 13:24:57 setuid sandbox: support is not implemented in syzkaller 2023/02/17 13:24:57 namespace sandbox: support is not implemented in syzkaller 2023/02/17 13:24:57 Android sandbox: support is not implemented in syzkaller 2023/02/17 13:24:57 fault injection: support is not implemented in syzkaller 2023/02/17 13:24:57 leak checking: support is not implemented in syzkaller 2023/02/17 13:24:57 net packet injection: enabled 2023/02/17 13:24:57 net device setup: support is not implemented in syzkaller 2023/02/17 13:24:57 concurrency sanitizer: support is not implemented in syzkaller 2023/02/17 13:24:57 devlink PCI setup: support is not implemented in syzkaller 2023/02/17 13:24:57 NIC VF setup: support is not implemented in syzkaller 2023/02/17 13:24:57 USB emulation: support is not implemented in syzkaller 2023/02/17 13:24:57 hci packet injection: support is not implemented in syzkaller 2023/02/17 13:24:57 wifi device emulation: support is not implemented in syzkaller 2023/02/17 13:24:57 802.15.4 emulation: support is not implemented in syzkaller 2023/02/17 13:24:57 fetching corpus: 0, signal 0/2000 (executing program) 2023/02/17 13:24:57 fetching corpus: 50, signal 24888/28646 (executing program) 2023/02/17 13:24:57 fetching corpus: 100, signal 35733/41218 (executing program) 2023/02/17 13:24:57 fetching corpus: 150, signal 47698/54770 (executing program) 2023/02/17 13:24:57 fetching corpus: 200, signal 58658/67236 (executing program) 2023/02/17 13:24:57 fetching corpus: 250, signal 73863/83711 (executing program) 2023/02/17 13:24:58 fetching corpus: 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program) 2023/02/17 13:25:04 fetching corpus: 2976, signal 376927/411983 (executing program) 2023/02/17 13:25:04 fetching corpus: 2976, signal 376927/412159 (executing program) 2023/02/17 13:25:04 fetching corpus: 2976, signal 376927/412338 (executing program) 2023/02/17 13:25:04 fetching corpus: 2976, signal 376927/412533 (executing program) 2023/02/17 13:25:04 fetching corpus: 2976, signal 376927/412724 (executing program) 2023/02/17 13:25:04 fetching corpus: 2976, signal 376927/412778 (executing program) 2023/02/17 13:25:04 fetching corpus: 2976, signal 376927/412778 (executing program) 2023/02/17 13:25:04 starting 4 fuzzer processes 13:25:04 executing program 0: r0 = socket(0x2, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000180)=@in={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x0) sysarch$I386_CLEAR_PKRU(0xb, &(0x7f0000000340)={0x379003, 0xb}) sendto$inet6(r0, 0x0, 0x0, 0x18c, 0x0, 0x0) r1 = socket(0x1c, 0x10000001, 0x0) dup2(r1, r0) 13:25:04 executing program 1: r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f0000000100)=0x4, 0x4) sendmsg$inet6_sctp(r0, &(0x7f0000000440)={&(0x7f00000001c0)=@in6={0x1c, 0x1c, 0x1, 0x0, @mcast1}, 0x1c, 0x0}, 0x0) 13:25:04 executing program 2: kmq_open(0x0, 0x200, 0x0, &(0x7f0000000080)) 13:25:04 executing program 3: r0 = socket(0x1c, 0x1, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000680)=@in6={0x1c, 0x1c, 0x2, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c, 0x0}, 0x0) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0x101, &(0x7f0000000580)={@in6={{0x1c, 0x1c, 0x2, 0x0, @mcast1, 0x9}}}, &(0x7f0000000640)=0x98) [fib_algo] inet.0 (bsearch4#26) rebuild_fd_flm: switching algo to radix4_lockless 13:25:05 executing program 0: r0 = socket(0x2, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000180)=@in={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x0) sysarch$I386_CLEAR_PKRU(0xb, &(0x7f0000000340)={0x379003, 0xb}) sendto$inet6(r0, 0x0, 0x0, 0x18c, 0x0, 0x0) r1 = socket(0x1c, 0x10000001, 0x0) dup2(r1, r0) 13:25:05 executing program 3: r0 = socket(0x1c, 0x1, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000680)=@in6={0x1c, 0x1c, 0x2, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c, 0x0}, 0x0) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0x101, &(0x7f0000000580)={@in6={{0x1c, 0x1c, 0x2, 0x0, @mcast1, 0x9}}}, &(0x7f0000000640)=0x98) 13:25:05 executing program 3: r0 = socket(0x1c, 0x1, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000680)=@in6={0x1c, 0x1c, 0x2, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c, 0x0}, 0x0) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0x101, &(0x7f0000000580)={@in6={{0x1c, 0x1c, 0x2, 0x0, @mcast1, 0x9}}}, &(0x7f0000000640)=0x98) 13:25:05 executing program 0: r0 = socket(0x2, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000180)=@in={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x0) sysarch$I386_CLEAR_PKRU(0xb, &(0x7f0000000340)={0x379003, 0xb}) sendto$inet6(r0, 0x0, 0x0, 0x18c, 0x0, 0x0) r1 = socket(0x1c, 0x10000001, 0x0) dup2(r1, r0) 13:25:05 executing program 3: r0 = socket(0x1c, 0x1, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000680)=@in6={0x1c, 0x1c, 0x2, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c, 0x0}, 0x0) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0x101, &(0x7f0000000580)={@in6={{0x1c, 0x1c, 0x2, 0x0, @mcast1, 0x9}}}, &(0x7f0000000640)=0x98) 13:25:06 executing program 1: r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f0000000100)=0x4, 0x4) sendmsg$inet6_sctp(r0, &(0x7f0000000440)={&(0x7f00000001c0)=@in6={0x1c, 0x1c, 0x1, 0x0, @mcast1}, 0x1c, 0x0}, 0x0) 13:25:06 executing program 3: r0 = socket(0x1c, 0x1, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000680)=@in6={0x1c, 0x1c, 0x2, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c, 0x0}, 0x0) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0x101, &(0x7f0000000580)={@in6={{0x1c, 0x1c, 0x2, 0x0, @mcast1, 0x9}}}, &(0x7f0000000640)=0x98) 13:25:06 executing program 0: r0 = socket(0x2, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000180)=@in={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x0) sysarch$I386_CLEAR_PKRU(0xb, &(0x7f0000000340)={0x379003, 0xb}) sendto$inet6(r0, 0x0, 0x0, 0x18c, 0x0, 0x0) r1 = socket(0x1c, 0x10000001, 0x0) dup2(r1, r0) 13:25:06 executing program 2: r0 = socket(0x1c, 0x1, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000680)=@in6={0x1c, 0x1c, 0x2, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c, 0x0}, 0x0) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0x101, &(0x7f0000000580)={@in6={{0x1c, 0x1c, 0x2, 0x0, @mcast1, 0x9}}}, &(0x7f0000000640)=0x98) 13:25:06 executing program 3: r0 = socket(0x1c, 0x1, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000680)=@in6={0x1c, 0x1c, 0x2, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c, 0x0}, 0x0) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0x101, &(0x7f0000000580)={@in6={{0x1c, 0x1c, 0x2, 0x0, @mcast1, 0x9}}}, &(0x7f0000000640)=0x98) 13:25:06 executing program 3: r0 = socket(0x1c, 0x1, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000680)=@in6={0x1c, 0x1c, 0x2, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c, 0x0}, 0x0) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0x101, &(0x7f0000000580)={@in6={{0x1c, 0x1c, 0x2, 0x0, @mcast1, 0x9}}}, &(0x7f0000000640)=0x98) 13:25:06 executing program 0: r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f0000000100)=0x4, 0x4) sendmsg$inet6_sctp(r0, &(0x7f0000000440)={&(0x7f00000001c0)=@in6={0x1c, 0x1c, 0x1, 0x0, @mcast1}, 0x1c, 0x0}, 0x0) 13:25:06 executing program 3: r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f0000000100)=0x4, 0x4) sendmsg$inet6_sctp(r0, &(0x7f0000000440)={&(0x7f00000001c0)=@in6={0x1c, 0x1c, 0x1, 0x0, @mcast1}, 0x1c, 0x0}, 0x0) 13:25:07 executing program 1: r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f0000000100)=0x4, 0x4) sendmsg$inet6_sctp(r0, &(0x7f0000000440)={&(0x7f00000001c0)=@in6={0x1c, 0x1c, 0x1, 0x0, @mcast1}, 0x1c, 0x0}, 0x0) 13:25:07 executing program 2: r0 = socket(0x1c, 0x1, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000680)=@in6={0x1c, 0x1c, 0x2, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c, 0x0}, 0x0) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0x101, &(0x7f0000000580)={@in6={{0x1c, 0x1c, 0x2, 0x0, @mcast1, 0x9}}}, &(0x7f0000000640)=0x98) 13:25:07 executing program 2: r0 = socket(0x1c, 0x1, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000680)=@in6={0x1c, 0x1c, 0x2, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c, 0x0}, 0x0) getsockopt$inet6_sctp_SCTP_GET_PEER_ADDR_INFO(r0, 0x84, 0x101, &(0x7f0000000580)={@in6={{0x1c, 0x1c, 0x2, 0x0, @mcast1, 0x9}}}, &(0x7f0000000640)=0x98) 13:25:07 executing program 2: r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f0000000100)=0x4, 0x4) sendmsg$inet6_sctp(r0, &(0x7f0000000440)={&(0x7f00000001c0)=@in6={0x1c, 0x1c, 0x1, 0x0, @mcast1}, 0x1c, 0x0}, 0x0) 13:25:07 executing program 0: r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f0000000100)=0x4, 0x4) sendmsg$inet6_sctp(r0, &(0x7f0000000440)={&(0x7f00000001c0)=@in6={0x1c, 0x1c, 0x1, 0x0, @mcast1}, 0x1c, 0x0}, 0x0) 13:25:07 executing program 3: r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f0000000100)=0x4, 0x4) sendmsg$inet6_sctp(r0, &(0x7f0000000440)={&(0x7f00000001c0)=@in6={0x1c, 0x1c, 0x1, 0x0, @mcast1}, 0x1c, 0x0}, 0x0) 13:25:07 executing program 1: r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f0000000100)=0x4, 0x4) sendmsg$inet6_sctp(r0, &(0x7f0000000440)={&(0x7f00000001c0)=@in6={0x1c, 0x1c, 0x1, 0x0, @mcast1}, 0x1c, 0x0}, 0x0) 13:25:07 executing program 2: r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f0000000100)=0x4, 0x4) sendmsg$inet6_sctp(r0, &(0x7f0000000440)={&(0x7f00000001c0)=@in6={0x1c, 0x1c, 0x1, 0x0, @mcast1}, 0x1c, 0x0}, 0x0) 13:25:08 executing program 3: r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f0000000100)=0x4, 0x4) sendmsg$inet6_sctp(r0, &(0x7f0000000440)={&(0x7f00000001c0)=@in6={0x1c, 0x1c, 0x1, 0x0, @mcast1}, 0x1c, 0x0}, 0x0) 13:25:08 executing program 0: r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f0000000100)=0x4, 0x4) sendmsg$inet6_sctp(r0, &(0x7f0000000440)={&(0x7f00000001c0)=@in6={0x1c, 0x1c, 0x1, 0x0, @mcast1}, 0x1c, 0x0}, 0x0) 13:25:08 executing program 1: r0 = socket(0x2, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000180)=@in={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x0) sysarch$I386_CLEAR_PKRU(0xb, &(0x7f0000000340)={0x379003, 0xb}) sendto$inet6(r0, 0x0, 0x0, 0x18c, 0x0, 0x0) r1 = socket(0x1c, 0x10000001, 0x0) dup2(r1, r0) 13:25:08 executing program 1: r0 = socket(0x2, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000180)=@in={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x0) sysarch$I386_CLEAR_PKRU(0xb, &(0x7f0000000340)={0x379003, 0xb}) sendto$inet6(r0, 0x0, 0x0, 0x18c, 0x0, 0x0) r1 = socket(0x1c, 0x10000001, 0x0) dup2(r1, r0) 13:25:08 executing program 1: r0 = socket(0x2, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000180)=@in={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x0) sysarch$I386_CLEAR_PKRU(0xb, &(0x7f0000000340)={0x379003, 0xb}) sendto$inet6(r0, 0x0, 0x0, 0x18c, 0x0, 0x0) r1 = socket(0x1c, 0x10000001, 0x0) dup2(r1, r0) 13:25:08 executing program 1: r0 = socket(0x2, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000180)=@in={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x0) sysarch$I386_CLEAR_PKRU(0xb, &(0x7f0000000340)={0x379003, 0xb}) sendto$inet6(r0, 0x0, 0x0, 0x18c, 0x0, 0x0) r1 = socket(0x1c, 0x10000001, 0x0) dup2(r1, r0) 13:25:08 executing program 2: r0 = socket(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x22, &(0x7f0000000200)=0x3, 0x4) connect$inet(r0, &(0x7f0000000240)={0x10, 0x2, 0x2, @remote={0xac, 0x14, 0x0}}, 0x10) setsockopt$inet_tcp_int(r0, 0x6, 0x8, &(0x7f0000000100)=0x4, 0x4) sendmsg$inet6_sctp(r0, &(0x7f0000000440)={&(0x7f00000001c0)=@in6={0x1c, 0x1c, 0x1, 0x0, @mcast1}, 0x1c, 0x0}, 0x0) 13:25:08 executing program 1: r0 = socket(0x2, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000180)=@in={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x0) sysarch$I386_CLEAR_PKRU(0xb, &(0x7f0000000340)={0x379003, 0xb}) sendto$inet6(r0, 0x0, 0x0, 0x18c, 0x0, 0x0) r1 = socket(0x1c, 0x10000001, 0x0) dup2(r1, r0) 13:25:08 executing program 1: r0 = socket(0x2, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000180)=@in={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x0) sysarch$I386_CLEAR_PKRU(0xb, &(0x7f0000000340)={0x379003, 0xb}) sendto$inet6(r0, 0x0, 0x0, 0x18c, 0x0, 0x0) r1 = socket(0x1c, 0x10000001, 0x0) dup2(r1, r0) 13:25:08 executing program 3: r0 = socket(0x2, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000180)=@in={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x0) sysarch$I386_CLEAR_PKRU(0xb, &(0x7f0000000340)={0x379003, 0xb}) sendto$inet6(r0, 0x0, 0x0, 0x18c, 0x0, 0x0) r1 = socket(0x1c, 0x10000001, 0x0) dup2(r1, r0) 13:25:08 executing program 0: socket$inet6_sctp(0x1c, 0x1, 0x84) r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) bind(r0, &(0x7f0000000200)=@in6={0x1c, 0x1c, 0x2, 0x0, @empty}, 0x1c) r1 = socket(0x2, 0x1, 0x0) socket$inet6_sctp(0x1c, 0x1, 0x84) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r1, 0x6, 0x2000, &(0x7f0000000080)={'bbr\x00'}, 0x24) setsockopt$inet_tcp_int(r1, 0x6, 0x1, &(0x7f0000000040)=0x7, 0x4) connect$inet(r1, &(0x7f00000000c0)={0x34, 0x2, 0x2, @rand_addr=0xfffffffe}, 0x10) sendmsg$inet6_sctp(r1, &(0x7f0000000740)={&(0x7f0000000280)=@in={0x10, 0x2, 0x1, @broadcast}, 0x10, &(0x7f0000000480)=[{&(0x7f0000000380)="ca1b3b5c422ca65675e274c42923889a63f250f3618af3499af18ae3b738b9b6b5428e18e8a6f70a1fad05f03388e5d7fcc796fa874a4c850fc114d59d7d095f07c3338b7653ed756e08fc8325e69831de6411138839053b1a7b32636f2e05fcbcada2375bde92ed0ac706042efe8a3bcd095a7ab57ac9ddbdc94f155bf7e75926505845f59d15ada6e76061b7834bf5c7d501f26c2752d451ca96b5f61b34c88865cfe25dfb939a9fcbb914576b327536774e0c58a39e0a1439a32fb837ba6dfe9ea43cb51008fcaeec67663ce77bfbc50affa69135c938", 0xd8}, {&(0x7f00000001c0)="47708aa26f004be1789c08aeb40d0c8246c888898f0571d10a001857ac20db0cd8e062f24824e76802848efb21e6aef453c46fb7d90652475b614ae803fa435214362114349b82946677d9fd142aa6bb617033770a391dbfca5781c270e368983e8716559650762d28e7aa65c9d1c963d21f590d25", 0x75}], 0x2, 0x0, 0x0, 0x81}, 0x0) r2 = socket$inet_sctp(0x2, 0x1, 0x84) setsockopt$inet_sctp_SCTP_RECVRCVINFO(r2, 0x84, 0x1f, &(0x7f0000000080)=0xfffffff8, 0x4) recvmsg(r2, &(0x7f0000002640)={0x0, 0x0, 0x0, 0x0, &(0x7f0000002580)=""/175, 0xaf}, 0x87cf3d02b949a599) sendmsg$inet_sctp(r2, &(0x7f0000000900)={&(0x7f0000000140)=@in={0x10, 0x2, 0x3, @multicast1}, 0x10, &(0x7f0000000880)=[{0x0}, {&(0x7f0000000780)="88addb8be42a62db9ced34267e666ac50adf367d779b306882a57af11815e4e38daa98c2041873e0239b3a78db701020263988abaa5b22", 0x37}, {&(0x7f00000007c0)="d1fa53ecd33a952a5d49ce4315eef6c4a1c0f54fd6bd1ec0d6cb3acf597d664eb648c07b9b3e0131243aea666a37537e2467c3bb5f1293ae2133df11a43beebae96c3ba8cbdc2c4a6a2d18ac0449bb76cf026303c645", 0x56}, {&(0x7f0000000840)="74dc77b904d4f1331451b421d2", 0xd}], 0x4}, 0x0) bindat(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0) setsockopt$inet6_sctp_SCTP_DEFAULT_SNDINFO(r0, 0x84, 0x1203, &(0x7f0000000040)={0x0, 0x0, 0x2}, 0x10) connect$inet6(r0, &(0x7f00000000c0)={0x1c, 0x1c, 0x2, 0x0, @loopback}, 0x1c) sendto$inet6(r0, &(0x7f00000002c0)="b1", 0x1, 0x0, 0x0, 0x0) 13:25:08 executing program 1: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) r1 = dup(r0) sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f0000000100)={0x1c, 0x1c, 0x0, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x28, &(0x7f0000000040)={0x1, [0x0]}, &(0x7f00000002c0)=0x8) 13:25:08 executing program 3: r0 = socket(0x2, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000180)=@in={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x0) sysarch$I386_CLEAR_PKRU(0xb, &(0x7f0000000340)={0x379003, 0xb}) sendto$inet6(r0, 0x0, 0x0, 0x18c, 0x0, 0x0) r1 = socket(0x1c, 0x10000001, 0x0) dup2(r1, r0) 13:25:08 executing program 3: r0 = socket(0x2, 0x10000001, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000080)={&(0x7f0000000180)=@in={0x10, 0x2, 0x3, @remote={0xac, 0x14, 0x0}}, 0x10, 0x0}, 0x0) sysarch$I386_CLEAR_PKRU(0xb, &(0x7f0000000340)={0x379003, 0xb}) sendto$inet6(r0, 0x0, 0x0, 0x18c, 0x0, 0x0) r1 = socket(0x1c, 0x10000001, 0x0) dup2(r1, r0) 13:25:09 executing program 3: r0 = socket$inet_sctp(0x2, 0x5, 0x84) getsockopt$inet_sctp_SCTP_FRAGMENT_INTERLEAVE(r0, 0x84, 0x10, &(0x7f0000000200), &(0x7f0000000240)=0x4) 13:25:09 executing program 1: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) r1 = dup(r0) sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f0000000100)={0x1c, 0x1c, 0x0, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x28, &(0x7f0000000040)={0x1, [0x0]}, &(0x7f00000002c0)=0x8) 13:25:09 executing program 2: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) r1 = dup(r0) sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f0000000100)={0x1c, 0x1c, 0x0, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x28, &(0x7f0000000040)={0x1, [0x0]}, &(0x7f00000002c0)=0x8) 13:25:09 executing program 2: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) r1 = dup(r0) sendto$inet6(r1, 0x0, 0x0, 0x0, &(0x7f0000000100)={0x1c, 0x1c, 0x0, 0x0, @local={0xfe, 0x80, '\x00', 0x0}}, 0x1c) getsockopt$inet_sctp_SCTP_GET_ASSOC_ID_LIST(r1, 0x84, 0x28, &(0x7f0000000040)={0x1, [0x0]}, &(0x7f00000002c0)=0x8) Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex so_rcv (so_rcv) r = 0 (0xfffffe008fe8f1a0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctputil.c:4861 exclusive sleep mutex sctp-read (inpr) r = 0 (0xfffffe0099720288) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctputil.c:4889 exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe00997b2bf0) locked @ /syzkaller/managers/main/kernel/sys/netinet/sctp_pcb.c:2138 stack backtrace: #0 0xffffffff8175bc77 at witness_debugger+0x167 #1 0xffffffff8175e1e3 at witness_warn+0x893 #2 0xffffffff8218475e at trap_pfault+0x15e #3 0xffffffff82182f11 at trap+0x5e1 #4 0xffffffff8212e298 at calltrap+0x8 #5 0xffffffff817d13f6 at sorwakeup_locked+0x36 #6 0xffffffff84488e77 at sctp_add_to_readq+0x717 #7 0xffffffff843cdcee at sctp_queue_data_to_stream+0x74e #8 0xffffffff843bded9 at sctp_process_data+0x2b59 #9 0xffffffff843d761d at sctp_common_input_processing+0x169d #10 0xffffffff8447bf08 at sctp6_input_with_port+0x598 #11 0xffffffff8447c01f at sctp6_input+0x1f #12 0xffffffff81b54a5c at ip6_input+0x219c #13 0xffffffff819534ed at swi_net+0x2ed #14 0xffffffff815ad3fe at ithread_loop+0x4ee #15 0xffffffff815a5e10 at fork_exit+0xd0 #16 0xffffffff8212f2fe at fork_trampoline+0xe Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x1b8 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff815f4594 stack pointer = 0x28:0xfffffe0053f32cb0 frame pointer = 0x28:0xfffffe0053f32cf0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 12 (swi1: netisr 0) rdi: 1b8 rsi: 1 rdx: 0 rcx: fffffe00033eee30 r8: 0 r9: 20000000000 rax: fffffe00033eee30 rbx: 1a0 rbp: fffffe0053f32cf0 r10: 0 r11: bf r12: 1a0 r13: 4 r14: 1b8 r15: fffffe0007aa33a0 trap number = 12