Warning: Permanently added '10.128.0.15' (ECDSA) to the list of known hosts. 2020/08/01 18:57:00 fuzzer started 2020/08/01 18:57:04 dialing manager at 10.128.15.235:31493 2020/08/01 18:57:04 syscalls: 381 2020/08/01 18:57:04 code coverage: enabled 2020/08/01 18:57:04 comparison tracing: enabled 2020/08/01 18:57:04 extra coverage: support is not implemented in syzkaller 2020/08/01 18:57:04 setuid sandbox: enabled 2020/08/01 18:57:04 namespace sandbox: support is not implemented in syzkaller 2020/08/01 18:57:04 Android sandbox: support is not implemented in syzkaller 2020/08/01 18:57:04 fault injection: support is not implemented in syzkaller 2020/08/01 18:57:04 leak checking: support is not implemented in syzkaller 2020/08/01 18:57:04 net packet injection: enabled 2020/08/01 18:57:04 net device setup: support is not implemented in syzkaller 2020/08/01 18:57:04 concurrency sanitizer: support is not implemented in syzkaller 2020/08/01 18:57:04 devlink PCI setup: support is not implemented in syzkaller 2020/08/01 18:57:04 USB emulation: support is not implemented in syzkaller 2020/08/01 18:57:04 hci packet injection: support is not implemented in syzkaller 18:57:15 executing program 0: r0 = open(&(0x7f0000000000)='./file0\x00', 0x400, 0x80) openat$wskbd(0xffffffffffffff9c, &(0x7f0000000040)='/dev/wskbd0\x00', 0x20, 0x0) mlock(&(0x7f0000ffd000/0x3000)=nil, 0x3000) ioctl$TIOCNXCL(0xffffffffffffff9c, 0x2000740e) ioctl$VT_GETSTATE(r0, 0x40067664, &(0x7f0000000080)) symlink(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='./file0\x00') r1 = openat$null(0xffffffffffffff9c, &(0x7f0000000140)='/dev/null\x00', 0x400, 0x0) ioctl$TIOCSTAT(r1, 0x20007465, &(0x7f0000000180)) munlock(&(0x7f0000fff000/0x1000)=nil, 0x1000) shmget$private(0x0, 0x3000, 0x2, &(0x7f0000ffd000/0x3000)=nil) ioctl$WSDISPLAYIO_USEFONT(r1, 0x80585750, &(0x7f00000001c0)={'./file0\x00', 0x0, 0x8, 0x0, 0x0, 0x80000001, 0x1, 0x4, 0x1, 0x1, 0x8}) ioctl$VT_GETSTATE(r1, 0x40067664, &(0x7f0000000240)) r2 = open(&(0x7f0000000280)='./file0\x00', 0x200, 0x40) ioctl$BIOCSDIRFILT(r2, 0x8004427d, &(0x7f00000002c0)=0x5) ioctl$TIOCSPGRP(r2, 0x40047477, &(0x7f0000000300)) ioctl$FIOASYNC(0xffffffffffffff9c, 0x8004667d, &(0x7f0000000340)=0x1ff) ioctl$TIOCDRAIN(0xffffffffffffffff, 0x2000745e) geteuid() open(&(0x7f0000000380)='./file0\x00', 0x10, 0x150) open(&(0x7f00000003c0)='./file0\x00', 0x800, 0x0) 18:57:15 executing program 1: pipe2(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}, 0x10000) ioctl$PCIOCREAD(r0, 0xc0107002, &(0x7f0000000040)) r1 = getpid() socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sysctl$net_mpls(&(0x7f00000000c0)={0x4, 0x21, 0x3}, 0x3, &(0x7f0000000100)="da699fc85ee165688c631d7a25ad2df782936be4b769ee681908a23155831141fcde85578a980fdc62f3f469896d22ce48686ee71603ead672b57cabd1b58acff5387052a69f8c9baadf841501e7a100572d9b989fb52975d32e1cdb4fef7968555a642493ac89b54addc12f72eab9cf321c5c8a5121202ec8d3e540eb0122a68f47f1102ae8d7c40e72f7f59e20b8784cf29cfc366253932ed15517638048b34383f9ca1508939460c2b3763c4587befc89eb88f0b83c34c40659990814198f0886b3c60cf11b6d3daffbd97d701d64d3f96e8b47f11f66559f03203d250bddfb6aa5eaef03f5ca126a9e90", &(0x7f0000000200)=0xec, &(0x7f0000000240)="ae642d713f2cd2c007c012f6ba83412f61f6171002fa8dbcbf9f06ea995883862cb143af4c7805e09d66eef1bb7ebfe759f5041c1cd4794652d267a2", 0x3c) r4 = openat$wsmuxmouse(0xffffffffffffff9c, &(0x7f0000000280)='/dev/wsmouse\x00', 0x40, 0x0) r5 = dup2(r3, r4) r6 = dup2(r5, 0xffffffffffffffff) ioctl$TIOCSETVERAUTH(r6, 0x8004741c, &(0x7f00000002c0)=0x8) ioctl$TIOCSETVERAUTH(0xffffffffffffff9c, 0x8004741c, &(0x7f0000000300)=0x9) r7 = dup(0xffffffffffffffff) getsockopt$SO_PEERCRED(r5, 0xffff, 0x1022, &(0x7f00000004c0)={0x0, 0x0}, 0xc) getsockopt$sock_cred(r0, 0xffff, 0x1022, &(0x7f0000000500)={0x0, 0x0, 0x0}, &(0x7f0000000540)=0xc) r10 = openat(0xffffffffffffffff, &(0x7f0000000580)='./file0\x00', 0x2, 0x48) r11 = accept(r0, &(0x7f00000005c0)=@in, &(0x7f0000000600)=0xc) r12 = socket$inet6(0x18, 0x8000, 0x1) r13 = open$dir(&(0x7f0000000640)='./file0\x00', 0x8000, 0x81) r14 = dup2(0xffffffffffffffff, r2) sendmsg$unix(r7, &(0x7f0000000700)={&(0x7f0000000340)=@file={0x0, './file0\x00'}, 0xa, &(0x7f0000000480)=[{&(0x7f0000000380)="f6b65c7e31015ae3332997af2642662ab83b8f6f709b08a49dd639da884066d485037abb4dc6b445fac7d449d5abb5f62209d082415c13c7f127c0c075904eb1ab2b416d6d10b80a2a2bde49d79a7f07505b88947fb356f3e928b9802ece61fbf9cb7674f0b832dba681a2f5525cd801a05a24b8e0616ea4fc6f34d89e05c2d8d97a56f6a01bdb152ab21a48cffa9d0d5000b95369cc1e90214f68044b0f25ff2005cf8044fcf0dc636bda379ab29078a4156efc57171938d3a644b3b7077cb485cc1eb867c02dc5779bc306a1e384c00b822ff7367ec0d3489e7ebe7d9278d6dd116d32", 0xe4}], 0x1, &(0x7f0000000680)=[@cred={0x20, 0xffff, 0x0, r1, r8, r9}, @rights={0x20, 0xffff, 0x1, [r2, r5, r10]}, @rights={0x38, 0xffff, 0x1, [r11, 0xffffffffffffff9c, r6, r6, r12, r13, r3, r14, r5, r5]}], 0x78, 0xe}, 0x2) pipe2(&(0x7f0000000740), 0x20000) 18:57:16 executing program 0: r0 = open$dir(&(0x7f0000000040)='./file0\x00', 0x0, 0x0) ioctl$FIONREAD(r0, 0x4004667f, &(0x7f0000000080)) unlinkat(r0, &(0x7f0000000000)='./file0\x00', 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000026ff8)={0xffffffffffffffff, 0xffffffffffffffff}) write(r1, &(0x7f00000000c0)="8aaaee8700000000000000000000000000fa7e58961e0e12890c0a952d43ede0bc4cca25ea446ccf65735839b5edaa31d3d9d7f0b63ab101031bfde8147e", 0x3e) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000026ff8)={0xffffffffffffffff, 0xffffffffffffffff}) write(r2, &(0x7f0000000000)="87", 0x1) close(r2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000026ff8)={0xffffffffffffffff}) recvmsg(r3, &(0x7f0000002700)={0x0, 0x0, &(0x7f0000002580)=[{&(0x7f0000000100)=""/66, 0x42}, {&(0x7f00000004c0)=""/4096, 0x1000}], 0x2, 0x0}, 0x840) recvmsg(r3, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000026ff8)={0xffffffffffffffff, 0xffffffffffffffff}) write(r4, &(0x7f0000000000)="87", 0x1) close(r4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000026ff8)={0xffffffffffffffff}) recvmsg(r5, &(0x7f0000002700)={0x0, 0x0, &(0x7f0000002580)=[{&(0x7f0000000100)=""/66, 0x42}, {&(0x7f00000004c0)=""/4096, 0x1000}], 0x2, 0x0}, 0x840) recvmsg(r5, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, 0x0) close(r5) lseek(r1, 0x0, 0x9, 0x1) setitimer(0x0, &(0x7f0000000080)={{0x0, 0x8001}, {0x0, 0x5}}, 0x0) 18:57:16 executing program 1: mknod(&(0x7f0000000000)='./bus\x00', 0x2001, 0x86134) sysctl$hw(&(0x7f0000000080)={0x6, 0xe}, 0x2, &(0x7f0000000100)="8d06939db1741cd56bacb0937c3a8b77c09dbcf4f89515edeaea95bd6289dd01d23e6579efa3773b760066bd099aebd00cb49a892f71f9612113d691e7b58bbe56e089f3b6023068bd411fb0f5f861a31de53677e8297c52ba98489b533cca113363139f3a5a76a295a83a4d606405c9ec328fc3743a04f7c32e9a710b6f7d3a", &(0x7f00000001c0)=0x80, &(0x7f0000000300)="879f09dd0e524ed453f7ecf72e3c3c39c38a341dd4d3b3283d49eaa87fe13565516dd6e40bd3dd190068bef265b981aea7aa1a25e88b8eb27013a150c70335c9a986c64365c960d9aa04e92c53fa0ce2d2a5828d9e148fe32cb7a59ce3440b04b296d38c3938934aa8aeef607fe4ecd68dd7d924abd0901c6fcfec15ee60573a66ac0d0c8123506baee1a5f47fae0b621ef6700db1cf188bca16ec1cf064b32af14fad2e25be91da7019915ab6580a83315663a501ed9c2ac4ab7d70901836c98165efb934", 0xc5) ioctl$TIOCSETAF(0xffffffffffffffff, 0x802c7416, &(0x7f0000000180)={0xfffffffd, 0x0, 0x0, 0x0, "0000df00010000062000000200", 0x7fffffff, 0x8}) setsockopt$inet6_MRT6_ADD_MFC(0xffffffffffffffff, 0x29, 0x68, &(0x7f0000000180)={{0x18, 0x1}, {0x18, 0x2, 0x0, 0x190000}, 0x8010, [0x2, 0x0, 0x0, 0x0, 0x10000]}, 0x3c) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x5, 0x0) write(r0, &(0x7f0000000040)="670dc3", 0x3) pwritev(r0, &(0x7f00000002c0)=[{&(0x7f0000000180), 0xff20}], 0x100000000000005e, 0x0, 0x0) 18:57:17 executing program 1: syz_emit_ethernet(0x47, &(0x7f00000000c0)={@broadcast, @remote, [], {@ipv6={0x86dd, {0x0, 0x6, '\x00', 0x11, 0x3a, 0xff, @rand_addr="00fe0700", @mcast2, {[], @icmpv6=@ndisc_rs={0x85, 0x0, 0x0, [], [{0x3, 0x1, "ed838b2fd683ed"}]}}}}}}) r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000000)='/dev/zero\x00', 0x800, 0x0) ioctl$BIOCSETWF(r0, 0x80104277, &(0x7f0000000080)={0x1, &(0x7f0000000040)=[{0x100, 0x20, 0x8e, 0x9}]}) 18:57:17 executing program 1: ioctl$VMM_IOC_WRITEREGS(0xffffffffffffffff, 0x82485608, &(0x7f0000000240)={0x0, 0x0, 0x0, {[0x10000000000, 0x4, 0x0, 0x1, 0x0, 0x4], [0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0xfffffffffffffffb], [0x0, 0x0, 0x0, 0x9, 0xfffffffffff3ffff], [0x0, 0x0, 0x401], [{0x0, 0x0, 0x0, 0x25a}, {}, {}, {}, {}, {}, {}, {0x200, 0x0, 0x200}]}}) ioctl$BIOCSETIF(0xffffffffffffffff, 0x8020426c, &(0x7f0000000300)={'tap', 0x0}) sysctl$net_inet_etherip(&(0x7f0000000000)={0x4, 0x2, 0x61, 0x2}, 0x4, &(0x7f00000004c0)="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", &(0x7f0000000040)=0x1000, &(0x7f0000000080)="826fa94300a43ade4bd387ad69d1a51fbd50e26e950483b1d7b914e327cb6a784115060ba370d710715f843d", 0x2c) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) r0 = socket(0x18, 0x2, 0x0) truncate(&(0x7f00000000c0)='./file0\x00', 0x0, 0x20) r1 = fcntl$dupfd(r0, 0x0, r0) shmget$private(0x0, 0x1000, 0x24, &(0x7f0000ffe000/0x1000)=nil) ioctl$TIOCFLUSH(r1, 0x8080691a, &(0x7f0000000300)) 18:57:17 executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000026ff8)={0xffffffffffffffff, 0xffffffffffffffff}) write(r0, &(0x7f0000000000)="87", 0x1) setsockopt$sock_int(0xffffffffffffffff, 0xffff, 0x1, &(0x7f0000000040)=0xb1, 0x4) r1 = getuid() setreuid(0x0, 0x0) socket(0x18, 0x1, 0x0) getsockopt$SO_PEERCRED(r0, 0xffff, 0x1022, &(0x7f0000000300)={0x0, 0x0, 0x0}, 0x7) getsockopt$SO_PEERCRED(0xffffffffffffffff, 0xffff, 0x1022, &(0x7f00000002c0)={0x0, 0x0}, 0xffe8) semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000000340)={{0x47f, 0x0, r2, r3, 0x0, 0x16d, 0x1005}, 0x6, 0x5, 0x5}) setsockopt$sock_cred(0xffffffffffffffff, 0xffff, 0x1022, &(0x7f0000000200)={0x0, r1, r2}, 0xc) seteuid(r1) close(0xffffffffffffffff) getsockopt$sock_int(r0, 0xffff, 0x1004, &(0x7f00000001c0), &(0x7f0000000200)=0x4) pipe2(&(0x7f0000000000), 0x10000) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) pwrite(0xffffffffffffffff, &(0x7f0000000280)="0995d51b04f7bfaea334483952a8a3f82a2a0b4882b1aba97e5cb9c9afb851d20f1d27c06f070c", 0x27, 0x0, 0x2) close(r5) poll(&(0x7f0000000040)=[{r5, 0x80}], 0x1, 0x5) sysctl$kern(&(0x7f0000000180)={0x1, 0x1a}, 0x2, &(0x7f0000000540)="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"/288, &(0x7f0000000500)=0x120, &(0x7f0000000680)="6f21a18d40cae438b096db800f6e0f187e4d8064e11d79f84346a9be6dfbf7012e77bc32dfcef691eaa3edfd47cb97f2224e910b01005e567aa1b919d25afc8f7844aecb14863b0cc84b171ee8ba4b6f0afe75d402bfb14a03eda0e5d2c85f9cf3a34459ccb3ab906973acfbe3df9647e7b273727700000000000000000000000000a76b9e4122cc6ddf7a89b9b6f4", 0x8f) write(r4, &(0x7f0000000080)="4a69af1dc3920251e003d8ae4d964d70dad671c76a4e5b209602af17dd6fc9f6812e6caa25794b93b0f188d6e5a135fcc77f04c0a46bd8cacbbe95d7c5827872824ca5fc964f0d74db36179858f48ca4592b6aea14492d89a59ac21a3fa9e963c1b72c57cc8ab69cb7db8e15dbe9495ca47c20de744b2d63397f32113c3df2c0c9e078affdd2ea3851148ad4d0a186becb5613d44c25318327656a5a091a9e254be46effc94bde9c23b5f4e4371dfce8934eac9e5d0d4f23fe77006261f5a48afb0a937556c8c06aad3db3d8c4f59718153c411458e00a8ebcc0e4ce", 0xdc) panic: tcp_output: template len != hdrlen - optlen Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 395034 41126 0 0x2 0x4000000 0K syz-fuzzer *296458 6115 0 0x12 0 1 sshd db_enter() at db_enter+0x18 panic(ffffffff82421839) at panic+0x164 tcp_output(ffff800000adb280) at tcp_output+0x2c4b tcp_usrreq(fffffd806eae7c88,9,fffffd806d428e00,0,0,ffff8000fffffb38) at tcp_usrreq+0xa55 sosend(fffffd806eae7c88,0,ffff800020e042c8,0,0,80) at sosend+0x671 dofilewritev(ffff8000fffffb38,4,ffff800020e042c8,0,ffff800020e043b0) at dofilewritev+0x1b6 sys_write(ffff8000fffffb38,ffff800020e04360,ffff800020e043b0) at sys_write+0x83 syscall(ffff800020e04430) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe2850, count: 6 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb{1}> ddb{1}> set $lines = 0 ddb{1}> set $maxwidth = 0 ddb{1}> show panic tcp_output: template len != hdrlen - optlen ddb{1}> trace db_enter() at db_enter+0x18 panic(ffffffff82421839) at panic+0x164 tcp_output(ffff800000adb280) at tcp_output+0x2c4b tcp_usrreq(fffffd806eae7c88,9,fffffd806d428e00,0,0,ffff8000fffffb38) at tcp_usrreq+0xa55 sosend(fffffd806eae7c88,0,ffff800020e042c8,0,0,80) at sosend+0x671 dofilewritev(ffff8000fffffb38,4,ffff800020e042c8,0,ffff800020e043b0) at dofilewritev+0x1b6 sys_write(ffff8000fffffb38,ffff800020e04360,ffff800020e043b0) at sys_write+0x83 syscall(ffff800020e04430) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe2850, count: -9 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff800020e03e30 rbx 0xffff800020e03ee0 rdx 0x8b rcx 0x2 rax 0x1 r8 0xffff800020e03df0 r9 0xffffffff814bc41f kprintf+0x16f r10 0x1 r11 0x91dcd582fc94b1e2 r12 0x3000000008 r13 0xffff800020e03e40 r14 0x100 r15 0x1 rip 0xffffffff81c991c8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800020e03e20 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{1}> show proc PROC (sshd) pid=296458 stat=onproc flags process=12 proc=0 pri=50, usrpri=51, nice=20 forw=0xffffffffffffffff, list=0xffff8000ffffe778,0xffff8000ffffe020 process=0xffff8000ffffc7e0 user=0xffff800020dff000, vmspace=0xfffffd806e9068a8 estcpu=1, cpticks=3, pctcpu=0.0 user=0, sys=3, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 30777 108080 41126 0 2 0x482 syz-executor.1 15090 267754 41126 0 2 0x2 syz-executor.0 41126 496153 71889 0 3 0x82 thrsleep syz-fuzzer 41126 269208 71889 0 2 0x4000482 syz-fuzzer 41126 91069 71889 0 3 0x4000082 thrsleep syz-fuzzer 41126 122417 71889 0 3 0x4000082 thrsleep syz-fuzzer 41126 270232 71889 0 2 0x4000482 syz-fuzzer 41126 216762 71889 0 3 0x4000082 thrsleep syz-fuzzer 41126 395034 71889 0 7 0x4000002 syz-fuzzer 41126 158974 71889 0 3 0x4000082 thrsleep syz-fuzzer 71889 159578 6115 0 3 0x10008a pause ksh * 6115 296458 59229 0 7 0x12 sshd 71665 301508 1 0 3 0x100083 ttyin getty 59229 412211 1 0 3 0x80 select sshd 12012 86529 32807 74 3 0x100092 bpf pflogd 32807 490359 1 0 3 0x80 netio pflogd 61666 384596 50992 73 3 0x100090 kqread syslogd 50992 415408 1 0 3 0x100082 netio syslogd 14197 306483 1 77 3 0x100090 poll dhclient 49343 311447 1 0 3 0x80 poll dhclient 84276 15933 0 0 3 0x14200 bored smr 88973 76513 0 0 3 0x14200 pgzero zerothread 56603 484266 0 0 3 0x14200 aiodoned aiodoned 87288 180477 0 0 3 0x14200 syncer update 3211 493446 0 0 3 0x14200 cleaner cleaner 52964 283484 0 0 3 0x14200 reaper reaper 36131 158557 0 0 3 0x14200 pgdaemon pagedaemon 14731 487942 0 0 3 0x14200 bored crynlk 44342 448606 0 0 3 0x14200 bored crypto 41823 30537 0 0 3 0x40014200 acpi0 acpi0 87154 486946 0 0 3 0x40014200 idle1 89250 458928 0 0 3 0x14200 bored softnet 2227 298640 0 0 3 0x14200 bored systqmp 35968 411606 0 0 3 0x14200 bored systq 32011 322271 0 0 3 0x40014200 bored softclock 79337 201033 0 0 3 0x40014200 idle0 1 407853 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 15090 (syz-executor.0) thread 0xffff800020dd69e8 (267754) exclusive rrwlock inode r = 0 (0xfffffd80680955f0) #0 witness_lock+0x4c7 #1 rw_enter+0x453 #2 rrw_enter+0x88 #3 ufs_ihashins+0x45 #4 ffs_vget+0x13e #5 ffs_inode_alloc+0x1e2 #6 ufs_mkdir+0xf4 #7 VOP_MKDIR+0xc6 #8 domkdirat+0x121 #9 syscall+0x4a4 #10 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd8068095a30) #0 witness_lock+0x4c7 #1 rw_enter+0x453 #2 rrw_enter+0x88 #3 VOP_LOCK+0x4b #4 vn_lock+0x81 #5 vfs_lookup+0xe6 #6 namei+0x63c #7 domkdirat+0x75 #8 syscall+0x4a4 #9 Xsyscall+0x128 Process 41126 (syz-fuzzer) thread 0xffff800020dd7640 (158974) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff828dd3d0) #0 witness_lock+0x4c7 #1 uvm_map_inentry+0xbe #2 syscall+0x397 #3 Xsyscall+0x128 Process 6115 (sshd) thread 0xffff8000fffffb38 (296458) exclusive rwlock netlock r = 0 (0xffffffff827a6120) #0 witness_lock+0x4c7 #1 solock+0x5a #2 sosend+0x559 #3 dofilewritev+0x1b6 #4 sys_write+0x83 #5 syscall+0x4a4 #6 Xsyscall+0x128 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9474 6399K 6404K 78643K 10571 0 pcb 13 8K 8K 78643K 13 0 rtable 105 3K 3K 78643K 201 0 ifaddr 49 11K 11K 78643K 52 0 counters 43 33K 33K 78643K 43 0 ioctlops 0 0K 4K 78643K 1469 0 iov 0 0K 2K 78643K 2 0 mount 1 1K 1K 78643K 1 0 vnodes 1217 77K 77K 78643K 1223 0 UFS quota 1 32K 32K 78643K 1 0 UFS mount 5 36K 36K 78643K 5 0 shm 2 1K 1K 78643K 2 0 VM map 2 1K 1K 78643K 2 0 sem 2 0K 0K 78643K 2 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1824 197K 290K 78643K 13058 0 file desc 4 9K 25K 78643K 41 0 proc 59 63K 95K 78643K 438 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 in_multi 33 2K 2K 78643K 33 0 ether_multi 1 0K 0K 78643K 1 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 19 95K 95K 78643K 19 0 exec 0 0K 1K 78643K 207 0 pagedep 1 8K 8K 78643K 1 0 inodedep 1 32K 32K 78643K 1 0 newblk 1 0K 0K 78643K 1 0 VM swap 7 26K 26K 78643K 7 0 UVM amap 188 30K 30K 78643K 1114 0 UVM aobj 7 2K 2K 78643K 7 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 NDP 7 0K 0K 78643K 11 0 temp 72 3860K 3924K 78643K 2029 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 6 0 0 1 0 1 1 0 8 0 plcache 128 20 0 0 1 0 1 1 0 8 0 rtpcb 88 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 43 0 33 1 0 1 1 0 8 0 syncache 272 4 0 4 1 1 0 1 0 8 0 tcpqe 32 148 0 148 2 1 1 1 0 8 1 tcpcb 592 11 0 6 1 0 1 1 0 8 0 inpcb 296 42 0 35 1 0 1 1 0 8 0 nd6 48 6 0 0 1 0 1 1 0 8 0 pfosfp 40 846 0 423 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 12 0 2 1 0 1 1 0 8 0 pfstkey 112 12 0 2 1 0 1 1 0 8 0 pfstate 328 12 0 2 1 0 1 1 0 8 0 pfrule 1360 21 0 16 2 1 1 2 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 187 0 0 12 0 12 12 0 8 0 art_table 32 188 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 shmpl 112 4 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1435 0 31 88 0 88 88 0 8 0 ffsino 272 1435 0 31 95 1 94 94 0 8 0 nchpl 144 1665 0 59 60 0 60 60 0 8 0 uvmvnodes 72 1479 0 0 27 0 27 27 0 8 0 vnodes 208 1479 0 0 78 0 78 78 0 8 0 namei 1024 4361 0 4360 2 1 1 1 0 8 0 percpumem 16 32 0 0 1 0 1 1 0 8 0 scxspl 200 4921 0 4921 8 1 7 7 0 8 7 plimitpl 152 15 0 7 1 0 1 1 0 8 0 sigapl 424 256 0 226 4 0 4 4 0 8 0 futexpl 56 115 0 115 1 0 1 1 0 8 1 knotepl 112 62 0 42 1 0 1 1 0 8 0 kqueuepl 152 2 0 0 1 0 1 1 0 8 0 pipepl 304 79 0 68 2 0 2 2 0 8 1 fdescpl 496 241 0 226 3 0 3 3 0 8 0 filepl 152 1186 0 1084 6 1 5 5 0 8 0 lockfpl 104 7 0 6 1 0 1 1 0 8 0 lockfspl 48 4 0 3 1 0 1 1 0 8 0 sessionpl 120 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 53 0 44 1 0 1 1 0 8 0 zombiepl 144 226 0 225 2 1 1 1 0 8 0 processpl 1008 256 0 225 6 1 5 5 0 8 0 procpl 632 277 0 239 5 1 4 4 0 8 0 sockpl 400 104 0 85 4 1 3 3 0 8 1 mcl9k 9216 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 2 0 0 1 0 1 1 0 8 0 mcl2k 2048 156 0 0 19 0 19 19 0 8 0 mtagpl 96 1 0 0 1 0 1 1 0 8 0 mbufpl 256 178 0 0 11 0 11 11 0 8 0 mbufpl: pool(0xffffffff828ce6d0:mbufpl): free list modified: page 0xfffffd806b7e6000; item ordinal 13; addr 0xfffffd806b7e6f00 (p 0xfffffd807eb44000); offset 0x0=0x0 pool(mbufpl): free list modified: page 0xfffffd806b7e6000; item ordinal 13; addr 0xfffffd806b7e6f00 (p 0xfffffd807eb44000); offset 0x0=0x0 mbufpl: pool(0xffffffff828ce6d0:mbufpl): page inconsistency: page 0xfffffd806b7e6000; item ordinal 14; addr 0x549aae57cab10b bufpl 280 3318 0 127 228 0 228 228 0 8 0 anonpl 16 39433 0 23050 67 1 66 66 0 124 0 amapchunkpl 152 1357 0 1033 15 0 15 15 0 158 0 amappl16 192 849 0 147 36 0 36 36 0 8 0 amappl15 184 2 0 0 1 0 1 1 0 8 0 amappl14 176 11 0 7 1 0 1 1 0 8 0 amappl13 168 29 0 26 1 0 1 1 0 8 0 amappl12 160 24 0 19 1 0 1 1 0 8 0 amappl11 152 63 0 46 1 0 1 1 0 8 0 amappl10 144 17 0 12 1 0 1 1 0 8 0 amappl9 136 232 0 231 1 0 1 1 0 8 0 amappl8 128 392 0 329 3 0 3 3 0 8 0 amappl7 120 115 0 104 1 0 1 1 0 8 0 amappl6 112 35 0 27 1 0 1 1 0 8 0 amappl5 104 395 0 380 1 0 1 1 0 8 0 amappl4 96 492 0 464 1 0 1 1 0 8 0 amappl3 88 123 0 112 1 0 1 1 0 8 0 amappl2 80 987 0 925 2 0 2 2 0 8 0 amappl1 72 15454 0 15029 24 11 13 18 0 8 3 amappl 80 575 0 488 2 0 2 2 0 84 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 64 6 0 0 1 0 1 1 0 8 0 uaddrrnd 24 241 0 226 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 241 0 226 1 0 1 1 0 8 0 vmmpekpl 168 6020 0 5989 2 0 2 2 0 8 0 vmmpepl 168 37333 0 35496 130 12 118 118 0 357 33 vmsppl 368 240 0 226 2 0 2 2 0 8 0 pdppl 4096 489 0 452 7 1 6 6 0 8 0 pvpl 32 135993 0 116589 160 0 160 160 0 265 2 pmappl 232 240 0 226 2 0 2 2 0 8 1 extentpl 40 53 0 36 1 0 1 1 0 8 0 phpool 112 250 0 8 7 0 7 7 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x1a: addq $0x8,%rsp x86_ipi_db(ffffffff827b4ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 spllower(d) at spllower+0x46 tsleep(fffffd806e8cde40,118,ffffffff8246f490,50) at tsleep+0x1aa kqueue_sleep(fffffd806e8cde40,ffff800020ea2220) at kqueue_sleep+0x101 kqueue_scan(fffffd806e8cde40,40,c000201638,ffff800020ea2220,ffff800020dd64f8,ffff800020ea226c) at kqueue_scan+0x2b6 sys_kevent(ffff800020dd64f8,ffff800020ea22e0,ffff800020ea2330) at sys_kevent+0x464 syscall(ffff800020ea23b0) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc000201e38, count: 5 ddb{0}> trace x86_ipi_db(ffffffff827b4ff0) at x86_ipi_db+0x1a x86_ipi_handler() at x86_ipi_handler+0xc6 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x23 spllower(d) at spllower+0x46 tsleep(fffffd806e8cde40,118,ffffffff8246f490,50) at tsleep+0x1aa kqueue_sleep(fffffd806e8cde40,ffff800020ea2220) at kqueue_sleep+0x101 kqueue_scan(fffffd806e8cde40,40,c000201638,ffff800020ea2220,ffff800020dd64f8,ffff800020ea226c) at kqueue_scan+0x2b6 sys_kevent(ffff800020dd64f8,ffff800020ea22e0,ffff800020ea2330) at sys_kevent+0x464 syscall(ffff800020ea23b0) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xc000201e38, count: -10 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x18: addq $0x8,%rsp db_enter() at db_enter+0x18 panic(ffffffff82421839) at panic+0x164 tcp_output(ffff800000adb280) at tcp_output+0x2c4b tcp_usrreq(fffffd806eae7c88,9,fffffd806d428e00,0,0,ffff8000fffffb38) at tcp_usrreq+0xa55 sosend(fffffd806eae7c88,0,ffff800020e042c8,0,0,80) at sosend+0x671 dofilewritev(ffff8000fffffb38,4,ffff800020e042c8,0,ffff800020e043b0) at dofilewritev+0x1b6 sys_write(ffff8000fffffb38,ffff800020e04360,ffff800020e043b0) at sys_write+0x83 syscall(ffff800020e04430) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe2850, count: 6 ddb{1}> trace db_enter() at db_enter+0x18 panic(ffffffff82421839) at panic+0x164 tcp_output(ffff800000adb280) at tcp_output+0x2c4b tcp_usrreq(fffffd806eae7c88,9,fffffd806d428e00,0,0,ffff8000fffffb38) at tcp_usrreq+0xa55 sosend(fffffd806eae7c88,0,ffff800020e042c8,0,0,80) at sosend+0x671 dofilewritev(ffff8000fffffb38,4,ffff800020e042c8,0,ffff800020e043b0) at dofilewritev+0x1b6 sys_write(ffff8000fffffb38,ffff800020e04360,ffff800020e043b0) at sys_write+0x83 syscall(ffff800020e04430) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7f7ffffe2850, count: -9