Starting background file system checks in 60 seconds. Mon Sep 27 18:35:29 UTC 2021 FreeBSD/amd64 (ci-freebsd-i386-2.c.syzkaller.internal) (ttyu0) Warning: Permanently added '10.128.1.57' (ECDSA) to the list of known hosts. 2021/09/27 18:35:41 fuzzer started 2021/09/27 18:35:41 dialing manager at 10.128.0.248:25795 2021/09/27 18:35:41 syscalls: 828 2021/09/27 18:35:41 code coverage: enabled 2021/09/27 18:35:41 comparison tracing: enabled 2021/09/27 18:35:41 extra coverage: support is not implemented in syzkaller 2021/09/27 18:35:41 setuid sandbox: support is not implemented in syzkaller 2021/09/27 18:35:41 namespace sandbox: support is not implemented in syzkaller 2021/09/27 18:35:41 Android sandbox: support is not implemented in syzkaller 2021/09/27 18:35:41 fault injection: support is not implemented in syzkaller 2021/09/27 18:35:41 leak checking: support is not implemented in syzkaller 2021/09/27 18:35:41 net packet injection: enabled 2021/09/27 18:35:41 net device setup: support is not implemented in syzkaller 2021/09/27 18:35:41 concurrency sanitizer: support is not implemented in syzkaller 2021/09/27 18:35:41 devlink PCI setup: support is not implemented in syzkaller 2021/09/27 18:35:41 USB emulation: support is not implemented in syzkaller 2021/09/27 18:35:41 hci packet injection: support is not implemented in syzkaller 2021/09/27 18:35:41 wifi device emulation: support is not implemented in syzkaller 2021/09/27 18:35:41 802.15.4 emulation: support is not implemented in syzkaller 2021/09/27 18:35:41 fetching corpus: 0, signal 0/2000 (executing program) 2021/09/27 18:35:41 fetching corpus: 50, signal 11934/15894 (executing program) 2021/09/27 18:35:41 fetching corpus: 100, signal 21817/27683 (executing program) 2021/09/27 18:35:41 fetching corpus: 150, signal 27786/35540 (executing program) 2021/09/27 18:35:41 fetching corpus: 200, signal 38899/48473 (executing program) 2021/09/27 18:35:41 fetching corpus: 250, signal 47616/58991 (executing program) 2021/09/27 18:35:41 fetching corpus: 300, signal 52069/65284 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"0465aa7ac7f0098b0020080000107f00"}, 0x14) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24) 18:36:07 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) ioctl$DIOCOSFPADD(r0, 0xc088444f, &(0x7f0000000040)="74498596ec9efbb3a0f94c7a887419619129087cf4b74a8cf01e8dc51f0e9485a445be0621db62305b120d57d1e1330838c258e29f68a83b9944214a148d00397ff0920ccbb7059778a5ff8316111ed454fad09909fc671d8a8a5f9f628afe952faa833c3f46d22bf9941c5317d81ecb22db01a652f7cf8e9dd35b3b0226dc") 18:36:07 executing program 2: r0 = socket(0x1c, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f00000000c0)={'bbr\x00'}, 0x24) setsockopt$inet6_tcp_int(r0, 0x6, 0x48, &(0x7f0000000080), 0x4) 18:36:07 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$DIOCGETTIMEOUT(r1, 0xc008441e, &(0x7f0000000180)={0x1ff}) [fib_algo] inet.0 (bsearch4#26) rebuild_fd_flm: switching algo to radix4_lockless 18:36:08 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x41f, &(0x7f0000000100)=0xe76d, 0x4) setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x45e, &(0x7f0000000000)={0x0, "0465aa7ac7f0098b0020080000107f00"}, 0x14) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24) 18:36:08 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) ioctl$DIOCOSFPADD(r0, 0xc088444f, &(0x7f0000000040)="74498596ec9efbb3a0f94c7a887419619129087cf4b74a8cf01e8dc51f0e9485a445be0621db62305b120d57d1e1330838c258e29f68a83b9944214a148d00397ff0920ccbb7059778a5ff8316111ed454fad09909fc671d8a8a5f9f628afe952faa833c3f46d22bf9941c5317d81ecb22db01a652f7cf8e9dd35b3b0226dc") 18:36:08 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$DIOCGETTIMEOUT(r1, 0xc008441e, &(0x7f0000000180)={0x1ff}) 18:36:08 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x41f, &(0x7f0000000100)=0xe76d, 0x4) setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x45e, &(0x7f0000000000)={0x0, "0465aa7ac7f0098b0020080000107f00"}, 0x14) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24) 18:36:08 executing program 2: r0 = socket(0x1c, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f00000000c0)={'bbr\x00'}, 0x24) setsockopt$inet6_tcp_int(r0, 0x6, 0x48, &(0x7f0000000080), 0x4) 18:36:08 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x41f, &(0x7f0000000100)=0xe76d, 0x4) setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x45e, &(0x7f0000000000)={0x0, "0465aa7ac7f0098b0020080000107f00"}, 0x14) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24) 18:36:08 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$DIOCGETTIMEOUT(r1, 0xc008441e, &(0x7f0000000180)={0x1ff}) 18:36:08 executing program 3: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100), 0x0, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$DIOCGETTIMEOUT(r1, 0xc008441e, &(0x7f0000000180)={0x1ff}) 18:36:08 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) ioctl$DIOCOSFPADD(r0, 0xc088444f, &(0x7f0000000040)="74498596ec9efbb3a0f94c7a887419619129087cf4b74a8cf01e8dc51f0e9485a445be0621db62305b120d57d1e1330838c258e29f68a83b9944214a148d00397ff0920ccbb7059778a5ff8316111ed454fad09909fc671d8a8a5f9f628afe952faa833c3f46d22bf9941c5317d81ecb22db01a652f7cf8e9dd35b3b0226dc") 18:36:08 executing program 2: r0 = socket(0x1c, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f00000000c0)={'bbr\x00'}, 0x24) setsockopt$inet6_tcp_int(r0, 0x6, 0x48, &(0x7f0000000080), 0x4) 18:36:08 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x41f, &(0x7f0000000100)=0xe76d, 0x4) setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x45e, &(0x7f0000000000)={0x0, "0465aa7ac7f0098b0020080000107f00"}, 0x14) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24) 18:36:08 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x41f, &(0x7f0000000100)=0xe76d, 0x4) setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x45e, &(0x7f0000000000)={0x0, "0465aa7ac7f0098b0020080000107f00"}, 0x14) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24) 18:36:08 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x41f, &(0x7f0000000100)=0xe76d, 0x4) setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x45e, &(0x7f0000000000)={0x0, "0465aa7ac7f0098b0020080000107f00"}, 0x14) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24) 18:36:08 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) ioctl$DIOCOSFPADD(r0, 0xc088444f, &(0x7f0000000040)="74498596ec9efbb3a0f94c7a887419619129087cf4b74a8cf01e8dc51f0e9485a445be0621db62305b120d57d1e1330838c258e29f68a83b9944214a148d00397ff0920ccbb7059778a5ff8316111ed454fad09909fc671d8a8a5f9f628afe952faa833c3f46d22bf9941c5317d81ecb22db01a652f7cf8e9dd35b3b0226dc") 18:36:08 executing program 2: r0 = socket(0x1c, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f00000000c0)={'bbr\x00'}, 0x24) setsockopt$inet6_tcp_int(r0, 0x6, 0x48, &(0x7f0000000080), 0x4) 18:36:08 executing program 3: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x41f, &(0x7f0000000100)=0xe76d, 0x4) setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x45e, &(0x7f0000000000)={0x0, "0465aa7ac7f0098b0020080000107f00"}, 0x14) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24) 18:36:08 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x41f, &(0x7f0000000100)=0xe76d, 0x4) setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x45e, &(0x7f0000000000)={0x0, "0465aa7ac7f0098b0020080000107f00"}, 0x14) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24) 18:36:08 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x41f, &(0x7f0000000100)=0xe76d, 0x4) setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x45e, &(0x7f0000000000)={0x0, "0465aa7ac7f0098b0020080000107f00"}, 0x14) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24) 18:36:08 executing program 1: msgsnd(0x0, &(0x7f0000000000)={0x0, "9e379513ce88726f342ccef4900ac6d16fe446b6534564e42618ecc7138fd6d151f7ed0cd1de359d74ea1a690172d92b89fc6ce360b1ca574374f9bada2bee6abf53941a67253c34c43986caa46f80cffdaea6f098dde014348e8eb5fc140082d5bec6c2d6ebe4ad3b49ebd32954406bf664fc77d3479cded16e6461e0cb0c277c42d3235f19a4c4eb661b62ce721b7c4c41ecdc64393ccfe094061e177cf835131a42cf54db936b76afbbec7edaacc35069050c450f09d7d7195a297cc9cf72af0fff158e60d9e939f67a6dc9ac08ede8af96a87239669db10020ff955a5e"}, 0xe7, 0x800) r0 = msgget(0x2, 0x410) msgrcv(r0, &(0x7f0000000100)={0x0, ""/125}, 0x85, 0x3, 0x800) msgrcv(r0, &(0x7f00000001c0)={0x0, ""/85}, 0x5d, 0x3, 0x1000) r1 = msgget$private(0x0, 0x420) msgrcv(r1, &(0x7f0000000240)={0x0, ""/170}, 0xb2, 0x1, 0x1000) msgsnd(r1, &(0x7f0000000300)={0x2}, 0x8, 0x0) r2 = msgget$private(0x0, 0x500) msgsnd(r2, &(0x7f0000000340)={0x0, "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"}, 0x1008, 0x800) r3 = msgget$private(0x0, 0x80) msgsnd(r3, &(0x7f0000001380)={0x0, "f0bd0671c499e7003332e1"}, 0x13, 0x800) r4 = msgget$private(0x0, 0x140) msgrcv(r4, &(0x7f00000013c0)={0x0, ""/143}, 0x97, 0x3, 0x1000) msgsnd(r1, &(0x7f0000001480)={0x2, "f2931a7b1394572ccfdaa29031a3a0329e10efffd449742f6c790707a590a4101942d41d04cd9b8f94"}, 0x31, 0x0) msgctl$IPC_STAT(r1, 0x2, &(0x7f0000001640)=""/23) 18:36:08 executing program 3: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) sendmsg$inet6_sctp(r0, &(0x7f0000000400)={&(0x7f0000000040)=@in6={0x1c, 0x1c, 0x3, 0x0, @remote={0xfe, 0x80, '\x00', 0x0}}, 0x1c, &(0x7f00000001c0)=[{&(0x7f00000000c0)='T', 0x1}], 0x1}, 0x0) setsockopt$inet6_sctp_SCTP_EXPLICIT_EOR(r0, 0x84, 0x1b, &(0x7f00000002c0)=0x1010001, 0x4) setsockopt$inet6_sctp_SCTP_MAXSEG(r0, 0x84, 0xe, &(0x7f0000000080)={0x0, 0x5}, 0x8) sendto$inet6(r0, &(0x7f0000000200)="bd", 0x1, 0x0, 0x0, 0x0) sendmsg$inet6_sctp(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000240)=[{&(0x7f0000000100)="48dd2945", 0x4}], 0x1}, 0x0) sendmsg$inet6_sctp(r0, &(0x7f0000000cc0)={0x0, 0x0, &(0x7f0000000540)=[{&(0x7f0000000700)='<', 0x1a}], 0x1}, 0x180) shutdown(r0, 0x1) 18:36:08 executing program 0: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x41f, &(0x7f0000000100)=0xe76d, 0x4) setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x45e, &(0x7f0000000000)={0x0, "0465aa7ac7f0098b0020080000107f00"}, 0x14) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24) 18:36:08 executing program 0: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) bind(r0, &(0x7f0000000240)=@in6={0x1c, 0x1c, 0x2, 0x0, @loopback}, 0x1c) connect$inet6(r0, &(0x7f0000000040)={0x1c, 0x1c, 0x2, 0x0, @loopback}, 0x1c) setsockopt$inet6_sctp_SCTP_RESET_ASSOC(r0, 0x84, 0x902, &(0x7f0000000000), 0x4) setsockopt$inet6_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x901, &(0x7f00000002c0)={0x0, 0x9}, 0x8) Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex sctp-tcb (tcb) r = 0 (0xfffffe009eac3c70) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_usrreq.c:897 exclusive sleep mutex sctp-inp (inp) r = 0 (0xfffffe009eabfe50) locked @ /syzkaller/managers/i386/kernel/sys/netinet/sctp_usrreq.c:857 stack backtrace: #0 0xffffffff817fc1c3 at witness_debugger+0x173 #1 0xffffffff817fe633 at witness_warn+0x893 #2 0xffffffff821dc522 at trap_pfault+0x162 18:36:08 executing program 0: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) bind(r0, &(0x7f0000000240)=@in6={0x1c, 0x1c, 0x2, 0x0, @loopback}, 0x1c) connect$inet6(r0, &(0x7f0000000040)={0x1c, 0x1c, 0x2, 0x0, @loopback}, 0x1c) setsockopt$inet6_sctp_SCTP_RESET_ASSOC(r0, 0x84, 0x902, &(0x7f0000000000), 0x4) setsockopt$inet6_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x901, &(0x7f00000002c0)={0x0, 0x9}, 0x8) 18:36:08 executing program 0: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) bind(r0, &(0x7f0000000240)=@in6={0x1c, 0x1c, 0x2, 0x0, @loopback}, 0x1c) connect$inet6(r0, &(0x7f0000000040)={0x1c, 0x1c, 0x2, 0x0, @loopback}, 0x1c) setsockopt$inet6_sctp_SCTP_RESET_ASSOC(r0, 0x84, 0x902, &(0x7f0000000000), 0x4) setsockopt$inet6_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x901, &(0x7f00000002c0)={0x0, 0x9}, 0x8) 18:36:08 executing program 0: r0 = socket$inet6_sctp(0x1c, 0x1, 0x84) bind(r0, &(0x7f0000000240)=@in6={0x1c, 0x1c, 0x2, 0x0, @loopback}, 0x1c) connect$inet6(r0, &(0x7f0000000040)={0x1c, 0x1c, 0x2, 0x0, @loopback}, 0x1c) setsockopt$inet6_sctp_SCTP_RESET_ASSOC(r0, 0x84, 0x902, &(0x7f0000000000), 0x4) setsockopt$inet6_sctp_SCTP_RESET_STREAMS(r0, 0x84, 0x901, &(0x7f00000002c0)={0x0, 0x9}, 0x8) 18:36:09 executing program 2: r0 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000200)={'rack\x00'}, 0x24) setsockopt$inet_tcp_int(r0, 0x6, 0x41f, &(0x7f0000000100)=0xe76d, 0x4) setsockopt$inet_tcp_TCP_FASTOPEN(r0, 0x6, 0x45e, &(0x7f0000000000)={0x0, "0465aa7ac7f0098b0020080000107f00"}, 0x14) setsockopt$inet_tcp_TCP_FUNCTION_BLK(r0, 0x6, 0x2000, &(0x7f0000000040)={'bbr\x00'}, 0x24) #3 0xffffffff821dad17 at trap+0x5e7 #4 0xffffffff82181548 at calltrap+0x8 #5 0xffffffff84a19ddc at sctp_med_chunk_output+0x190c #6 0xffffffff84a15935 at sctp_chunk_output+0x2b25 #7 0xffffffff84a70cd9 at sctp_shutdown+0x4f9 #8 0xffffffff81880fa2 at soshutdown+0x2d2 #9 0xffffffff8188e5e2 at kern_shutdown+0x112 #10 0xffffffff82355caf at ia32_syscall+0x41f #11 0xffffffff821826ef at int0x80_syscall_common+0x9c Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0xffffffffffffffff fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff84a57c92 stack pointer = 0x0:0xfffffe00577e0300 frame pointer = 0x0:0xfffffe00577e0330 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 = 896 (syz-executor.3) trap number = 12