kern.securelevel: 0 -> 1 creating runtime link editor directory cache. preserving editor files. starting network daemons: sshd. starting local daemons:. Thu May 7 02:19:00 PDT 2020 OpenBSD/amd64 (ci-openbsd-main-8.c.syzkaller.internal) (tty00) Warning: Permanently added '10.128.1.40' (ECDSA) to the list of known hosts. 2020/05/07 02:19:12 fuzzer started 2020/05/07 02:19:14 dialing manager at 10.128.15.235:40934 2020/05/07 02:19:14 syscalls: 338 2020/05/07 02:19:14 code coverage: enabled 2020/05/07 02:19:14 comparison tracing: enabled 2020/05/07 02:19:14 extra coverage: support is not implemented in syzkaller 2020/05/07 02:19:14 setuid sandbox: enabled 2020/05/07 02:19:14 namespace sandbox: support is not implemented in syzkaller 2020/05/07 02:19:14 Android sandbox: support is not implemented in syzkaller 2020/05/07 02:19:14 fault injection: support is not implemented in syzkaller 2020/05/07 02:19:14 leak checking: support is not implemented in syzkaller 2020/05/07 02:19:14 net packet injection: enabled 2020/05/07 02:19:14 net device setup: support is not implemented in syzkaller 2020/05/07 02:19:14 concurrency sanitizer: support is not implemented in syzkaller 2020/05/07 02:19:14 devlink PCI setup: support is not implemented in syzkaller 2020/05/07 02:19:14 USB emulation: support is not implemented in syzkaller 02:19:20 executing program 1: r0 = dup2(0xffffffffffffffff, 0xffffffffffffff9c) ioctl$TIOCSTOP(r0, 0x2000746f) r1 = socket$inet(0x2, 0x0, 0x1) write(r1, &(0x7f0000000000)="74c70e66dbd49ec9f89a469fd84a03859c1f134018d6b7bf6ffe0069a278aa14944350cf2603642134c11dc5f4e04761c6a1ac7801165b5092374f22debc34dae0e346bfc394dc0c0a546c316da30dca5ce10c7bab04bfa84082933a5566b42815b26879893e99929b", 0x69) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000080)='/dev/zero\x00', 0xb6252aaeff5e4a79, 0x0) ioctl$TIOCSCTTY(r2, 0x20007461) r3 = accept$unix(0xffffffffffffffff, &(0x7f00000000c0)=@file={0x0, ""/4096}, &(0x7f0000001100)=0x1002) fcntl$dupfd(r3, 0xa, r1) connect$inet(r1, &(0x7f0000001140)={0x2, 0x2}, 0xc) r4 = syz_open_pts() ioctl$TIOCEXCL(r4, 0x2000740d) clock_getres(0x2, &(0x7f0000001180)) r5 = syz_open_pts() ioctl$TIOCSETA(r5, 0x802c7414, &(0x7f00000011c0)={0xffff, 0x675, 0x200, 0x8001, "9887dbc8745e2685212564bca17a55dce2a834ce", 0xc000, 0x9}) r6 = openat$klog(0xffffffffffffff9c, &(0x7f0000001200)='/dev/klog\x00', 0x40, 0x0) write(r6, &(0x7f0000001240)="fa19d5e9b921211bbeb35a76661c3d1bc2ecbafe2c68f9a7d3877916a240757ac4e7236e74a2055c5368b09a5624a8f8f016c6116963b4a37054909679e205a7071fbebafe538fdfd33599268861", 0x4e) r7 = accept$unix(0xffffffffffffff9c, &(0x7f00000012c0)=@abs, &(0x7f0000001300)=0x8) getpeername$unix(r7, &(0x7f0000001340)=@file={0x0, ""/108}, &(0x7f00000013c0)=0x6e) openat$tty(0xffffffffffffff9c, &(0x7f0000001400)='/dev/tty\x00', 0x8, 0x0) ioctl$TIOCGFLAGS(0xffffffffffffffff, 0x4004745d, &(0x7f0000001440)) 02:19:20 executing program 0: r0 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000000)='/dev/bpf\x00', 0x80, 0x0) ioctl$BIOCGDIRFILT(r0, 0x4004427c, &(0x7f0000000040)) r1 = open(&(0x7f0000000080)='./file0\x00', 0x10, 0x8) ioctl$BIOCPROMISC(r1, 0x20004269) ioctl$BIOCIMMEDIATE(r0, 0x80044270, &(0x7f00000000c0)=0xfffffbff) r2 = openat$speaker(0xffffffffffffff9c, &(0x7f0000000100)='/dev/speaker\x00', 0x8, 0x0) fsync(r2) shmget(0x2, 0x4000, 0x4, &(0x7f0000ffb000/0x4000)=nil) getsockopt$sock_cred(r1, 0xffff, 0x1022, &(0x7f0000000180)={0x0, 0x0}, &(0x7f00000001c0)=0xc) r4 = getegid() chown(&(0x7f0000000140)='./file0\x00', r3, r4) r5 = open(&(0x7f0000000200)='./file0\x00', 0x100, 0xa) ioctl$BIOCFLUSH(r5, 0x20004268) r6 = socket$unix(0x1, 0x1, 0x0) r7 = socket$inet6(0x18, 0x0, 0xff) getsockopt$SO_PEERCRED(r7, 0xffff, 0x1022, &(0x7f0000000240), 0xc) open$dir(&(0x7f0000000280)='./file0\x00', 0x0, 0x90) r8 = fcntl$dupfd(0xffffffffffffffff, 0xa, r6) ioctl$BIOCSETWF(r8, 0x80104277, &(0x7f0000000300)={0x1, &(0x7f00000002c0)=[{0x101, 0xff, 0x86, 0x36fe}]}) ioctl$BIOCSBLEN(0xffffffffffffffff, 0xc0044266, &(0x7f0000000380)=0x80) 02:19:20 executing program 1: ioctl$VMM_IOC_WRITEREGS(0xffffffffffffffff, 0x82485608, &(0x7f0000000240)={0x0, 0x0, 0x0, {[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1], [], [0x80000000ff, 0x0, 0x0, 0x0, 0x4], [], [{0x6, 0x0, 0x0, 0x10000}]}}) ioctl$BIOCSETIF(0xffffffffffffffff, 0x8020426c, &(0x7f0000000300)={'tap', 0x0}) r0 = open(&(0x7f0000000000)='./bus\x00', 0x400000003fd, 0x0) fcntl$lock(r0, 0x7, &(0x7f0000000040)) ioctl$BIOCGSTATS(r0, 0x4008426f, &(0x7f0000000000)) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$KDSETMODE(r1, 0x20004b0a, &(0x7f00000000c0)) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) socket(0x20, 0x4000, 0x20) r2 = socket(0x2, 0x3, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$TIOCFLUSH(r3, 0x8040691a, &(0x7f0000000300)) 02:19:20 executing program 0: ioctl$WSMUXIO_INJECTEVENT(0xffffffffffffffff, 0x80185760, &(0x7f0000000000)={0x0, 0x0, {0x0, 0x10000000000001}}) ioctl$TIOCSETA(0xffffffffffffffff, 0x802c7414, &(0x7f00000000c0)={0x0, 0x0, 0xffffffffffffffff, 0x0, "00000000000000000000f2ffffffffffffff4000"}) connect$unix(0xffffffffffffffff, &(0x7f00000000c0)=@abs={0x682eb13985c518e6, 0x7}, 0x1c) ioctl$TIOCSETAF(0xffffffffffffffff, 0x802c7416, &(0x7f0000000140)={0xffffffffffffffff, 0x0, 0x0, 0x0, "010000000000000000ffffff7f00"}) r0 = msgget$private(0x0, 0x0) msgrcv(r0, 0x0, 0x0, 0x0, 0x0) msgrcv(r0, &(0x7f00000001c0)={0x0, ""/31}, 0x27, 0x1, 0x1000) msgsnd(r0, &(0x7f00000002c0)=ANY=[@ANYBLOB="01000000000000000fced6a458dbc1d790464ed3d2ef2f5b116de840feada4ca7cc52eb50da369e13cc93b7afcce176eca0e59f53c71d50e81f5d550feb1f75d8f029c5a38434ceb5cb9380ce7b4844d61adb107c223a97a80ce069481651d73eb893e6da868ffd37e990798779ec2d951c10a012136f9bac3b4dd3ed6b035f332d140000000656d040da1b36db7a1ab23e6d974deba058bcee0352b69458b49368e0169b9bf3565f5921648e1a53b395457fa1107a091dc2eb961cd6a66f21d8bb3c59b564f1e7500cfa14229db5b1d67de2f1cc2c07e931acda4e7152fe70c8f7aa96109cfffd4024e0b6511ea4e5fe45d510a2c66314bf34406f26b96"], 0xeb, 0x0) msgsnd(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="db5b2a35c9a58e37f9dfcd2e641e468fa8d9c4bafde83a3f167c52fe8935ef671c1139e465ff609045755b7e85d1"], 0x1, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) r1 = socket(0x18, 0x1, 0x0) setsockopt(r1, 0x29, 0xc, &(0x7f0000000140)="ebffcbff13b9fd812eaa4e713048e69931929648", 0x14) r2 = socket(0x18, 0x1, 0x0) close(r2) r3 = socket(0x18, 0x2, 0x0) close(r3) socket(0x400000000018, 0x3, 0x3a) setsockopt(r3, 0x1000000029, 0x2e, &(0x7f0000000000)="ebffcbff13b9fd812eaa4e713048e69931929648", 0x14) connect$unix(r2, &(0x7f00000000c0)=@abs={0x0, 0x7}, 0x1c) write(r3, &(0x7f0000000040)="100a2956b9223776", 0x14a) 02:19:20 executing program 1: ioctl$BIOCSETF(0xffffffffffffffff, 0x80104267, &(0x7f00000000c0)={0x0, &(0x7f0000000300)}) r0 = socket(0x2, 0x1, 0x0) r1 = socket(0x18, 0x2, 0x0) r2 = fcntl$dupfd(r1, 0x0, r1) ioctl$TIOCFLUSH(r2, 0x8080691a, &(0x7f0000000300)) bind$unix(r2, &(0x7f0000000040)=@abs={0x0, 0x0, 0x3}, 0x8) r3 = fcntl$dupfd(r0, 0x0, r0) ioctl$TIOCFLUSH(r3, 0xc0106924, &(0x7f00000000c0)=0xee) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) r4 = socket(0x11, 0x3, 0x0) r5 = socket(0x800000018, 0x1, 0x0) r6 = fcntl$dupfd(r5, 0x0, r4) setrlimit(0x1, &(0x7f0000000000)={0x800, 0x7}) ioctl$TIOCFLUSH(r6, 0x81206919, &(0x7f0000000300)) r7 = socket(0x18, 0x2, 0x0) r8 = fcntl$dupfd(r7, 0x14, r0) ioctl$TIOCFLUSH(r8, 0x8080691a, &(0x7f0000000300)) r9 = socket(0x18, 0x2, 0x0) r10 = fcntl$dupfd(r9, 0x0, r9) ioctl$TIOCFLUSH(r10, 0x8080691a, &(0x7f0000000300)) 02:19:20 executing program 1: r0 = open(&(0x7f00000000c0)='./bus\x00', 0x5, 0x0) write(r0, &(0x7f0000000040)="670dc3", 0x3) pwritev(r0, &(0x7f00000002c0)=[{&(0x7f0000000180), 0xff20}], 0x100000000000005e, 0x0, 0x0) recvfrom$unix(r0, &(0x7f0000000080)=""/82, 0x52, 0x1, &(0x7f0000000000)=@abs={0x0, 0x0, 0x1}, 0x8) mknod(&(0x7f0000000200)='./bus\x00', 0x2080002002, 0x28a9) r1 = open(&(0x7f0000000040)='./bus\x00', 0x400, 0x1a0) writev(r1, &(0x7f0000000140)=[{&(0x7f0000000840)="00000018", 0x4}], 0x1) 02:19:20 executing program 0: ioctl$VMM_IOC_WRITEREGS(0xffffffffffffffff, 0x82485608, &(0x7f0000000240)={0x0, 0x0, 0x0, {[], [], [0x0, 0x0, 0x0, 0x10000002, 0xffff], [0x0, 0x0, 0x8]}}) ioctl$BIOCSETIF(0xffffffffffffffff, 0x8020426c, &(0x7f0000000300)={'tap', 0x0}) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) r0 = socket(0x18, 0x2, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) mprotect(&(0x7f00004ed000/0x2000)=nil, 0x2000, 0x4) ioctl$TIOCFLUSH(r1, 0x8080691a, &(0x7f0000000300)) 02:19:21 executing program 0: r0 = open$dir(&(0x7f0000000000)='./file0\x00', 0x10202, 0x0) mmap(&(0x7f0000002000/0x3000)=nil, 0x3000, 0x1, 0x10, r0, 0x0, 0x0) pwritev(r0, &(0x7f0000000200)=[{&(0x7f0000000140)="04", 0x1}], 0x1, 0x0, 0x0) mlock(&(0x7f0000000000/0x3000)=nil, 0x3000) socket(0x2, 0x3, 0x1) r1 = open(&(0x7f0000000040)='./file0\x00', 0x70e, 0x0) mmap(&(0x7f0000000000/0x13000)=nil, 0x13000, 0x0, 0x10, r1, 0x0, 0x0) 02:19:21 executing program 0: r0 = socket(0x2, 0x8000, 0x0) r1 = open(&(0x7f0000000040)='./bus\x00', 0x0, 0x0) ioctl$TIOCSPGRP(r1, 0x40047477, &(0x7f0000000840)) connect$unix(r0, &(0x7f0000000080)=ANY=[@ANYBLOB="82022ea31ffbfd2f66696c653000"], 0x10) close(r0) execve(0x0, 0x0, 0x0) 02:19:21 executing program 1: r0 = openat$speaker(0xffffffffffffff9c, &(0x7f0000000040)='/dev/speaker\x00', 0x8901, 0x0) r1 = open(&(0x7f00000000c0)='./bus\x00', 0x5, 0x0) write(r1, &(0x7f0000000040)="670dc3", 0x3) pwritev(r1, &(0x7f00000002c0)=[{&(0x7f0000000180), 0xff20}], 0x100000000000005e, 0x0, 0x0) ioctl$WSMUXIO_INJECTEVENT(r1, 0x80185760, &(0x7f0000000080)={0x80, 0x8, {0x8, 0x8}}) r2 = dup(r0) writev(r2, &(0x7f0000000000)=[{&(0x7f0000000100)="057be3dcddd5d9094270efd42f0693ff3091ad3bca04df6e372e7d68d766ea84ff59d84e0eb23a070de6d857205390e9dbd6950931cf0440f13c0a5bfd3dc114a9319fa546ee8f5a6808a17fa34d63282d2fd056ab24bfe5a4c408d17090d3d371a29286b119cc25d27d8a45c8166902c874b2f0d33fe905dd868f7674", 0x19}], 0x1) execve(0x0, 0x0, 0x0) 02:19:21 executing program 0: ktrace(&(0x7f00000001c0)='./file0\x00', 0x2, 0x110a, 0x0) r0 = open(&(0x7f0000000040)='./file0\x00', 0x0, 0x0) r1 = open$dir(&(0x7f00000000c0)='.\x00', 0x0, 0x0) symlinkat(&(0x7f0000000040)='./file0\x00', r1, &(0x7f0000000080)='./file0\x00') linkat(r0, &(0x7f0000000080)='./bus\x00', r1, &(0x7f0000000100)='./bus\x00', 0xe46fb5ad1bffeb55) r2 = open(&(0x7f0000000040)='./file0\x00', 0x615, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x2, 0x10, r2, 0x0, 0x0) getsockopt$sock_linger(0xffffffffffffffff, 0xffff, 0x80, 0x0, &(0x7f00000000c0)) r3 = open(&(0x7f00000000c0)='./bus\x00', 0x5, 0x0) write(r3, &(0x7f0000000040)="670dc3", 0x3) setreuid(0xee00, 0x0) r4 = getuid() setreuid(0xee00, r4) r5 = socket(0x2, 0x2, 0x0) setsockopt$inet_opts(r5, 0x0, 0x1d, &(0x7f0000000040), 0x4) pwritev(r3, &(0x7f00000002c0)=[{&(0x7f0000000180), 0xff20}], 0x100000000000005e, 0x0, 0x0) ioctl$BIOCGETIF(r3, 0x4020426b, &(0x7f0000000000)={""/16, @ifru_metric}) mmap(&(0x7f0000004000/0x1000)=nil, 0x1000, 0x5, 0x10, r0, 0x0, 0x0) unveil(&(0x7f0000000180)='./file0\x00', &(0x7f00000013c0)='x\x00') 02:19:21 executing program 0: r0 = socket(0x2, 0x8001, 0x0) setsockopt$sock_int(r0, 0xffff, 0x1001, &(0x7f0000000040)=0x200000, 0x4) read(r0, &(0x7f0000000080)=""/4096, 0x1000) connect$unix(r0, &(0x7f0000000000)=@file={0xbd5699bc1ec0282, './file0\x00'}, 0x10) shutdown(r0, 0x1) 02:19:21 executing program 0: ioctl$VMM_IOC_WRITEREGS(0xffffffffffffffff, 0x82485608, &(0x7f0000000240)={0x0, 0x0, 0x0, {[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1], [], [0x80000000ff, 0x0, 0x0, 0x0, 0x4], [], [{0x6, 0x0, 0x0, 0x10000}]}}) ioctl$BIOCSETIF(0xffffffffffffffff, 0x8020426c, &(0x7f0000000300)={'tap', 0x0}) r0 = open(&(0x7f0000000000)='./bus\x00', 0x400000003fd, 0x0) fcntl$lock(r0, 0x7, &(0x7f0000000040)) ioctl$BIOCGSTATS(r0, 0x4008426f, &(0x7f0000000000)) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$KDSETMODE(r1, 0x20004b0a, &(0x7f00000000c0)) r2 = open(&(0x7f00000000c0)='./bus\x00', 0x5, 0x0) write(r2, &(0x7f0000000040)="670dc3", 0x3) pwritev(r2, &(0x7f00000002c0)=[{&(0x7f0000000180), 0xff20}], 0x100000000000005e, 0x0, 0x0) ioctl$TIOCEXCL(r2, 0x2000740d) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) r3 = socket(0x2, 0x3, 0x0) r4 = fcntl$dupfd(r3, 0x0, r3) ioctl$TIOCFLUSH(r4, 0x8040691a, &(0x7f0000000300)) 02:19:21 executing program 1: r0 = socket(0x2, 0x8001, 0x0) socket(0x18, 0x5, 0x3f) setsockopt$sock_int(r0, 0xffff, 0x1001, &(0x7f0000000040)=0x200000, 0x4) setsockopt$sock_int(r0, 0xffff, 0x1, &(0x7f0000000080)=0x4, 0x4) connect$unix(r0, &(0x7f0000000000)=@file={0xbd5699bc1ec0282, './file0\x00'}, 0x10) shutdown(r0, 0x1) r1 = open$dir(&(0x7f00000000c0)='./bus\x00', 0x1000000381, 0x0) openat(r1, &(0x7f00000000c0)='./file0\x00', 0x200, 0x30c) r2 = open(&(0x7f0000000100)='./file0\x00', 0x5, 0x10) socket(0x20, 0x5, 0x1) write(r2, &(0x7f0000000040)="670dc3", 0x3) pwritev(r2, &(0x7f00000002c0)=[{&(0x7f0000000180), 0xff20}], 0x100000000000005e, 0x0, 0x0) shutdown(r2, 0x0) 02:19:21 executing program 0: r0 = socket(0x2, 0x1, 0x0) poll(&(0x7f0000000000), 0x0, 0x7f) shutdown(r0, 0x0) 02:19:21 executing program 1: r0 = open(&(0x7f00000000c0)='./bus\x00', 0x5, 0x0) write(r0, &(0x7f0000000040)="670dc3", 0x3) pwritev(r0, &(0x7f00000002c0)=[{&(0x7f0000000180), 0xff20}], 0x100000000000005e, 0x0, 0x0) sendmsg$unix(r0, &(0x7f0000000000)={0x0, 0x0, 0xfffffffffffffffe, 0x0, 0x0, 0x0, 0x7}, 0x2) ftruncate(r0, 0x0, 0x8000) 02:19:21 executing program 1: connect$unix(0xffffffffffffffff, &(0x7f0000000040)=ANY=[@ANYBLOB="6b0800800000b53c708a5820bd8a6ae26c98ceccbd5c00e5372f6a79c1f1c766763e"], 0x1) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) r0 = socket(0x2, 0x1, 0x0) bind(r0, &(0x7f0000000000)=@un=@abs={0x0, 0xd}, 0x10) r1 = socket(0x2, 0x2, 0x0) dup2(r0, r1) connect$unix(r1, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x10) 02:19:21 executing program 1: preadv(0xffffffffffffffff, &(0x7f00000004c0)=[{&(0x7f0000001640)=""/247, 0xffffffcc}], 0x1, 0x0, 0x0) r0 = open(&(0x7f0000000040)='./file0\x00', 0x611, 0x0) pwritev(r0, &(0x7f00000003c0), 0x273, 0x0, 0x0) mmap(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x2, 0x11, r0, 0x0, 0x0) preadv(0xffffffffffffffff, &(0x7f0000000000)=[{0x0}], 0x1, 0x0, 0x0) madvise(&(0x7f0000000000/0x3000)=nil, 0x3000, 0x4) mlock(&(0x7f0000000000/0x1000)=nil, 0x1000) munmap(&(0x7f0000000000/0x4000)=nil, 0x4000) 02:19:21 executing program 0: ioctl$TIOCSETAF(0xffffffffffffffff, 0x802c7416, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x5, "d730c15b00f4ff0000747beffde400"}) ioctl$WSMUXIO_INJECTEVENT(0xffffffffffffffff, 0x80185760, &(0x7f0000000000)={0x0, 0x0, {0x0, 0x1}}) r0 = socket(0x18, 0x1, 0x0) close(r0) r1 = socket(0x18, 0x400000002, 0x0) connect$unix(0xffffffffffffffff, &(0x7f00000000c0)=@abs={0x682eb13985c518e6, 0x7}, 0x1c) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) close(r1) r2 = socket(0x18, 0x3, 0x0) setsockopt(r2, 0x29, 0x200000037, &(0x7f0000000000)="04000000", 0x4) setsockopt(r1, 0x1000000029, 0x2e, &(0x7f0000000000)="ebffcbff13b9fd812eaa4e713048e69931929648", 0x14) connect$unix(r0, &(0x7f00000000c0)=@abs={0x0, 0x7}, 0x1c) sendmsg$unix(r1, &(0x7f0000001640)={0x0, 0x0, 0x0}, 0x0) close(r1) 02:19:21 executing program 1: sendmsg(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000140)=ANY=[@ANYBLOB="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"], 0x39}, 0x0) r0 = open$dir(&(0x7f00000000c0)='.\x00', 0x0, 0x0) symlinkat(&(0x7f0000000040)='./file0\x00', r0, &(0x7f0000000080)='./file0\x00') r1 = openat(r0, &(0x7f0000000000)='./file0\x00', 0x0, 0x4) ioctl$VT_ACTIVATE(r1, 0x20007605, &(0x7f0000000040)=0x9) r2 = socket(0x18, 0x4003, 0x0) connect$unix(r2, &(0x7f00000000c0)=@abs={0x682eb13985c518e6, 0x7}, 0x1c) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) sendmsg(r2, &(0x7f0000000100)={0x0, 0x0, 0x0, 0x59, 0x0}, 0x0) 02:19:21 executing program 1: ioctl$VMM_IOC_WRITEREGS(0xffffffffffffffff, 0x82485608, &(0x7f0000000240)={0x0, 0x0, 0x0, {[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd], [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200], [0x0, 0x0, 0x0, 0x9, 0xfffffffbffdfffff], [0x7f, 0x0, 0x401], [{}, {}, {}, {}, {0x0, 0xfffffffe}]}}) ioctl$BIOCSETIF(0xffffffffffffffff, 0x8020426c, &(0x7f0000000300)={'tap', 0x0}) getsockopt$SO_PEERCRED(0xffffffffffffffff, 0xffff, 0x1022, &(0x7f0000000000)={0x0, 0x0}, 0xc) setreuid(r0, 0xee01) r1 = getgid() r2 = getuid() semctl$IPC_SET(0x0, 0x0, 0x1, &(0x7f0000000280)={{0x2, r0, r1, r2, 0x0, 0x4, 0x8001}, 0xf2b2, 0x800, 0x7}) r3 = semget$private(0x0, 0x5, 0x46) semctl$GETVAL(r3, 0x1, 0x5, &(0x7f0000000340)=""/192) r4 = socket(0x18, 0x1, 0x0) getsockopt$SO_PEERCRED(r4, 0xffff, 0x1022, &(0x7f0000000000)={0x0, 0x0}, 0xc) setreuid(r5, 0xee01) r6 = getgid() r7 = getuid() semctl$IPC_SET(r3, 0x0, 0x1, &(0x7f0000000280)={{0x2, r5, r6, r7, 0x0, 0x4, 0x8001}, 0xf2b2, 0x800, 0x7}) setregid(r1, r6) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) r8 = socket(0x18, 0x2, 0x0) r9 = fcntl$dupfd(r8, 0x0, r8) ioctl$TIOCFLUSH(r9, 0x8080691a, &(0x7f0000000300)) 02:19:21 executing program 0: preadv(0xffffffffffffffff, &(0x7f00000004c0)=[{&(0x7f0000001640)=""/247, 0xffffffcc}], 0x10000221, 0x0, 0x0) r0 = openat$vmm(0xffffffffffffff9c, &(0x7f0000000480)='/dev/vmm\x00', 0x0, 0x0) ioctl$VMM_IOC_WRITEREGS(r0, 0xc5005601, &(0x7f0000000580)={0x1, 0x0, 0x1, {[0x0, 0x0, 0x0, 0x20000000, 0x1200000], [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffd, 0x1000], [], [], [{}, {}, {}, {}, {0x0, 0x0, 0x0, 0x4000000000000000}, {}, {0x0, 0x0, 0x0, 0x2}, {0x0, 0x80}], {0x7}}}) r1 = open(&(0x7f00000002c0)='./file0\x00', 0x611, 0x0) pwritev(r1, &(0x7f00000003c0), 0x273, 0x0, 0x0) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x0, 0x800000000009031, 0xffffffffffffffff, 0x0, 0x0) 02:19:21 executing program 1: setsockopt$inet_opts(0xffffffffffffffff, 0x0, 0x0, &(0x7f00000000c0)="20af48b4", 0x4) connect$unix(0xffffffffffffffff, &(0x7f00000000c0)=@abs={0x0, 0x7}, 0x1c) pwritev(0xffffffffffffffff, &(0x7f0000000180)=[{&(0x7f00000000c0)="4412", 0xffffffc3}], 0x1, 0x0, 0x0) connect$unix(0xffffffffffffffff, &(0x7f0000000000)=ANY=[@ANYBLOB="8202e480ffffffff"], 0x1) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x5, 0x0) write(r0, &(0x7f0000000040)="670dc3", 0x3) pipe(&(0x7f0000000100)) pwritev(r0, &(0x7f00000002c0)=[{&(0x7f0000000180), 0xff20}], 0x100000000000005e, 0x0, 0x0) connect$unix(r0, &(0x7f0000000080)=@abs={0x1, 0x0, 0x0}, 0x8) r1 = socket(0x2, 0x2, 0x0) connect$unix(r1, &(0x7f0000000140)=@abs={0x0, 0x0, 0x3}, 0x8) r2 = open(&(0x7f00000000c0)='./bus\x00', 0x5, 0x0) write(r2, &(0x7f0000000040)="670dc3", 0x3) pwritev(r2, &(0x7f00000002c0)=[{&(0x7f0000000180), 0xff20}], 0x100000000000005e, 0x0, 0x0) connect$unix(r2, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x10) setsockopt$inet_opts(r1, 0x0, 0x1, &(0x7f00000000c0)="071400000f370025ff149b33ff0f000000000000", 0x14) pwritev(0xffffffffffffffff, &(0x7f00000002c0)=[{&(0x7f0000000180), 0xff20}], 0x100000000000005e, 0x0, 0x0) ioctl$BIOCSBLEN(0xffffffffffffffff, 0xc0044266, &(0x7f00000001c0)=0x20) write(0xffffffffffffffff, 0x0, 0x0) 02:19:21 executing program 1: r0 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000040)='/dev/bpf\x00', 0x0, 0x0) ioctl$BIOCSETIF(r0, 0x8020426c, &(0x7f0000000000)={'tap', 0x0}) ioctl$BIOCSETF(r0, 0x80104267, &(0x7f0000000080)={0x2, &(0x7f00000000c0)=[{0x8000, 0xde, 0x1, 0x8}, {0x53, 0x2, 0x7, 0x100}]}) syz_emit_ethernet(0x28d, &(0x7f0000000340)) socket$inet(0x2, 0x4, 0x0) 02:19:21 executing program 0: socket(0x40000000011, 0x3, 0x0) pipe2(&(0x7f0000001500)={0xffffffffffffffff}, 0x10000) recvfrom$inet(r0, &(0x7f0000001540)=""/43, 0x2b, 0x803, &(0x7f0000001580)={0x2, 0x1}, 0xc) r1 = open(&(0x7f00000000c0)='./bus\x00', 0x5, 0x0) write(r1, &(0x7f0000000040)="670dc3", 0x3) pwritev(r1, &(0x7f00000002c0)=[{&(0x7f0000000180), 0xff20}], 0x100000000000005e, 0x0, 0x0) r2 = open(&(0x7f00000018c0)='./bus\x00', 0x5, 0x0) r3 = open(&(0x7f00000000c0)='./bus\x00', 0x5, 0x0) write(r3, &(0x7f0000000040)="670dc3", 0x3) pwritev(r3, &(0x7f00000002c0)=[{&(0x7f0000000180), 0xff20}], 0x100000000000005e, 0x0, 0x0) ioctl$VMM_IOC_RUN(r3, 0xc0205602, &(0x7f0000001880)={0x10000006, 0x4, 0x5, 0x100, &(0x7f0000001600)={{0x9, 0x8, 0x3, 0x8, 0x7, 0xc00, 0x401}, {[0x30, 0x0, 0x65b6, 0x7d, 0x101, 0x7, 0x5, 0x5, 0x80, 0x5, 0x800, 0x6, 0x9, 0x4, 0x8000, 0x5186, 0xaed, 0x101], [0x101, 0x20, 0x9, 0x4, 0x425f1f84, 0x9, 0x6593, 0x3f, 0x5, 0x5], [0x4137cfec, 0x7, 0x7, 0x400, 0x5, 0x80000001, 0x1f], [0x5, 0x5, 0x5, 0x80000000, 0x0, 0x400], [{0x7, 0x200, 0x2, 0x1}, {0x622, 0x5, 0x4, 0x856}, {0xfffb, 0xfffffffd, 0x8001, 0x8b8}, {0x4, 0x7f, 0x0, 0xfffffffffffffff9}, {0x4353, 0x4, 0x2, 0x4}, {0x3ff, 0xfff, 0x5, 0x9c0}, {0x5b8, 0x2, 0x7, 0xf896}, {0x0, 0xff, 0x1, 0x20}], {0x68, 0x3, 0x1, 0x9}, {0x6, 0x1, 0x5, 0xfffffffffffffffc}}}, 0x1, 0x6}) write(r2, &(0x7f0000000040)="670dc3", 0x3) pwritev(r2, &(0x7f00000002c0)=[{&(0x7f0000001940)="8bfc9e5fa04c945693266590d79cad3ffd5f3f20902e2989c76b63499c86a59c7fed244488e7ebf67616a07ff8499c4248eb315cc112fb46cddfe59594eb97c7618abef51927c93696857d45abebc89fb49f5e64308a84c343e2111ad3e53f5e5634aea7f4aeb0670c578528714f7f644d751a99ba8b4414e15a1ca1d50115126480a3643695f5035ef4fa7c05abb0b58aa59d9e354dcf855b51d47097f67a1bbd1be80befcb8943af2f9975bde1167a55349e13678e0dd7bab3e88424dcd0d9c5d1878786d46aac949f6460d8aa26defd7ef7010627ef47381c3016c5afb1d0672c328cacba46e7ffbd9266d22a2b8d7fdbae29bf1bd6c6", 0xf8}], 0x1, 0x0, 0x3) sendto$unix(r1, &(0x7f00000000c0)="b100050160000000000008000701000000000000ce2894bc0fe62e18443fd3357af96caa0416c74f376336acf00a6804be781e4991f7c8df5f882b297be1aa5b23ed00f4c8b2ca3ebbc257699a1f132e27acb5d602010d7d026ba86baf8e8c282902e4fd8972c53c894303b22f310b404f36a00a90006ee013e657ae00000002000000000000000000000072ba2ebe1b080000000000d3c883b400"/177, 0xb1, 0x403, 0x0, 0x0) ioctl$VT_ACTIVATE(0xffffffffffffffff, 0x20007605, &(0x7f0000001900)=0x401) r4 = open(&(0x7f00000015c0)='./bus\x00', 0x5, 0x0) write(r4, &(0x7f0000000040)="670dc3", 0x3) pwritev(r4, &(0x7f00000002c0)=[{&(0x7f0000001a40)="31b03ad8be144e8728fad5cbc503f1855f2e5928d3bcb8abbe57cdb70baa28f282076d77654e9767b645dce727ac298aca2d8eda2862f5d6910dd2568ebaaaae3987473c0b9b25acc719d172eb641f448518a2d7bca17efbb7df723900000000000000", 0x63}], 0x1, 0x0, 0x1) recvmsg(r4, &(0x7f0000001480)={0x0, 0x0, &(0x7f00000013c0)=[{&(0x7f0000000180)=""/4096, 0x1000}, {&(0x7f0000000000)=""/102, 0x66}, {&(0x7f0000001180)=""/204, 0xcc}, {&(0x7f0000001ac0)=""/102400, 0x19000}, {&(0x7f0000001280)=""/113, 0x71}, {&(0x7f0000001300)=""/15, 0xf}, {&(0x7f0000001340)=""/68, 0x44}], 0x7, &(0x7f0000001440)=""/31, 0x1f}, 0x840) getrlimit(0x3, &(0x7f00000014c0)) 02:19:21 executing program 1: ioctl$VMM_IOC_WRITEREGS(0xffffffffffffffff, 0x82485608, &(0x7f0000000240)={0x0, 0x0, 0x0, {[], [], [0x0, 0x0, 0x0, 0x9, 0xffffffffffffffff, 0xbfffffffffffffff], [0x0, 0x0, 0x8]}}) ioctl$BIOCSETIF(0xffffffffffffffff, 0x8020426c, &(0x7f0000000300)={'tap', 0x0}) r0 = socket(0x18, 0x2, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$TIOCFLUSH(r1, 0x8080691a, &(0x7f0000000300)) login: vm_impl_init_vmx: uvm_share failed (22) failed to init arch-specific features for vm 0x0xffff800020a376b0 02:19:21 executing program 0: mknod(&(0x7f0000000080)='./bus\x00', 0x2000, 0x0) r0 = open(&(0x7f00000000c0)='./bus\x00', 0x5, 0x0) write(r0, &(0x7f0000000040)="670dc3", 0x3) mknod$loop(&(0x7f0000000100)='./bus\x00', 0x40, 0x0) r1 = semget$private(0x0, 0x4, 0x50) semctl$GETZCNT(r1, 0xecd36670e3ce36b6, 0x7, &(0x7f00000004c0)=""/235) semctl$SETALL(r1, 0x0, 0x9, &(0x7f0000000140)=[0x1, 0x4, 0xfff, 0x6, 0x0, 0x4]) semctl$GETPID(r1, 0x3, 0x4, &(0x7f0000000240)=""/127) semop(0x0, &(0x7f0000000180)=[{0x3, 0x349b, 0x800}], 0x2aaaaaaaaaaaab0b) semctl$GETPID(r1, 0x3, 0x4, &(0x7f0000000300)=""/178) pwritev(r0, &(0x7f0000000480)=[{&(0x7f0000000180)}], 0x1, 0x0, 0x0) ioctl$WSMUXIO_ADD_DEVICE(r0, 0x80085761, &(0x7f00000000c0)={0x2, 0x1}) r2 = open(&(0x7f0000000000)='./bus\x00', 0x1, 0x0) write(r2, &(0x7f00000001c0)="54b2df084589f2228c956bb6435ce7f84a8ecc1827e57c2059831eeb511fe15889e97dd95fe5e85c361ab9c7fd69faacafd8ccaf52c428e50662cf8a23097a57dd3c4c97f7ee33721bc9f9b2232fef21785581750ece6b450e59e4f0048e9b5a75f6c8de5248378de01e2fbc69e19544b31a4a4879b4a10a0be2e745369d7c49dc5a2334a01c0a9bfcde9474b7e363eb58887c2c0a79f5c6550144d8b6fd900375ed940684d817ae00dd00000c5dbd2f11d525216f4d15e84e0cb470ef84d35c1b03bd379bd4", 0xfffffeed) r3 = semget$private(0x0, 0x4, 0x50) semctl$GETZCNT(r3, 0xecd36670e3ce36b6, 0x7, &(0x7f00000004c0)=""/235) semctl$GETPID(r3, 0x3, 0x4, &(0x7f0000000240)=""/127) semop(r3, &(0x7f0000000080)=[{0x3, 0x5, 0x800}, {0x4, 0x8, 0x2000}, {0x1, 0x8, 0x1000}], 0x3) semctl$IPC_STAT(r3, 0x0, 0x2, &(0x7f00000003c0)=""/192) unlink(&(0x7f0000000040)='./bus\x00') 02:19:21 executing program 1: ioctl$TIOCSETAF(0xffffffffffffffff, 0x802c7416, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, "d730c16d00f4ff0000747beffde400"}) ioctl$WSMUXIO_INJECTEVENT(0xffffffffffffffff, 0x80185760, &(0x7f0000000000)={0x0, 0x0, {0x0, 0x1}}) r0 = socket(0x18, 0x1, 0x0) close(r0) r1 = socket(0x18, 0x400000002, 0x0) connect$unix(0xffffffffffffffff, &(0x7f0000000140)=@abs={0x1, 0x7}, 0x8) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) r2 = open$dir(&(0x7f00000000c0)='.\x00', 0x0, 0x0) fchmodat(r2, &(0x7f0000000000)='./file0\x00', 0xa, 0x0) ioctl$FIOSETOWN(r2, 0x8004667c, &(0x7f0000000040)) write(0xffffffffffffffff, &(0x7f0000000040)="670dc3", 0x3) pwritev(0xffffffffffffffff, &(0x7f00000002c0)=[{&(0x7f0000000180), 0xff20}], 0x100000000000005e, 0x0, 0x0) ioctl$TIOCMGET(0xffffffffffffffff, 0x4004746a, &(0x7f0000000080)) close(r1) r3 = socket(0x18, 0x2, 0x0) socket(0x18, 0x2, 0x7) setsockopt(r3, 0x27, 0x103, &(0x7f0000000100)="a93beead", 0x4) setsockopt(r1, 0x1000000029, 0x2e, &(0x7f0000000000)="ebffcbff13b9fd812eaa4e713048e69931929648", 0x14) connect$unix(r0, &(0x7f00000000c0)=@abs={0x0, 0x7}, 0x1c) sendmsg$unix(r1, &(0x7f0000001640)={0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffe9f}, 0x0) 02:19:21 executing program 1: connect(0xffffffffffffffff, &(0x7f0000000040)=@in6={0x18, 0x1, 0xd27, 0xffffffff}, 0xc) ioctl$WSMUXIO_INJECTEVENT(0xffffffffffffffff, 0x80185760, &(0x7f0000000000)={0x0, 0x0, {0x0, 0x10000000000001}}) ioctl$TIOCSETA(0xffffffffffffffff, 0x802c7414, &(0x7f00000000c0)={0x0, 0x0, 0xffffffffffffffff, 0x0, "00000000000000000000f2ffffffffffffff4000"}) connect$unix(0xffffffffffffffff, &(0x7f00000000c0)=@abs={0x682eb13985c518e6, 0x7}, 0x1c) connect$unix(0xffffffffffffffff, &(0x7f0000000040)=ANY=[@ANYBLOB="82"], 0x1) ioctl$TIOCSETAF(0xffffffffffffffff, 0x802c7416, &(0x7f0000000140)={0xffffffffffffffff, 0x0, 0x0, 0x0, "010000000000000000ffffff7f00"}) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) r0 = socket(0x18, 0x1, 0x0) setsockopt(r0, 0x29, 0x80000000000000c, &(0x7f0000000140)="ebffcbff13b9fd812eaa4e713048e69931929648", 0x14) mprotect(&(0x7f0000ffb000/0x2000)=nil, 0x2000, 0x2) r1 = socket(0x18, 0x1, 0x0) close(r1) r2 = socket(0x18, 0x2, 0x0) close(r2) socket(0x400000000018, 0x3, 0x3a) getgid() setsockopt(r2, 0x1000000029, 0x2e, &(0x7f0000000000)="ebffcbff13b9fd812eaa4e713048e69931929648", 0x14) connect$unix(r1, &(0x7f00000000c0)=@abs={0x0, 0x7}, 0x1c) write(r2, &(0x7f0000000040)="100a2956b9223776", 0x21d) g TE"kC\J'| YQX}_\6i̯R(bϊ# zW0xffffffffffffffff}) getsockopt$sock_cred(r1, 0xffff, 0x1022, &(0x7f0000000000)={0x0, 0x0, 0x0}, &(0x7f0000000200)=0xfffffcda) chown(&(0x7f0000000040)='.\x00', 0x0, r2) setsockopt$sock_cred(0xffffffffffffffff, 0xffff, 0x1022, &(0x7f0000000100)={0x0, r0, r2}, 0xc) open(&(0x7f0000000180)='./file0\x00', 0x1, 0x5) ktrace(&(0x7f0000000000)='./file0\x00', 0x4, 0x10, 0x0) ktrace(&(0x7f0000000040)='./file0\x00', 0x1, 0x40000000, 0xffffffffffffffff) pipe(&(0x7f00000003c0)={0xffffffffffffffff, 0xffffffffffffffff}) write(r3, &(0x7f0000000340), 0x10000014c) r4 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080)='/dev/bpf\x00', 0x0, 0x0) dup2(r4, r3) execve(0x0, 0x0, 0x0) r5 = socket(0x11, 0x3, 0x0) recvmsg(r5, &(0x7f0000000080)={&(0x7f0000000000)=@in6, 0xc, &(0x7f0000001700), 0x8, 0x0}, 0x0) yUDضu ]/%!oMN p\7 panic: pool_do_get: mbufpl free list modified: page 0xfffffd805d39e000; item addr 0xfffffd805d39e900; offset 0x0=0x0 != 0x5bfc7c78bf733507 Stopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *153418 16568 0 0 0x4000000 0 syz-executor.1 db_enter() at db_enter+0x18 panic(ffffffff82250235) at panic+0x15c pool_do_get(ffffffff8259e668,2,ffff80001d81e098) at pool_do_get+0x42a pool_get(ffffffff8259e668,2) at pool_get+0xb5 m_get(2,3) at m_get+0x4c rt_ifa_del(ffff800000a0c500,800100,ffff800000a0c540,0) at rt_ifa_del+0xa1 in6_unlink_ifa(ffff800000a0c500,ffff8000009f7800) at in6_unlink_ifa+0x571 in6_update_ifa(ffff8000009f7800,ffff80001d81e630,0) at in6_update_ifa+0x13f7 in6_ioctl_change_ifaddr(8080691a,ffff80001d81e630,ffff8000009f7800) at in6_ioctl_change_ifaddr+0x40c ifioctl(fffffd805dad3e18,8080691a,ffff80001d81e630,ffff80001d73a5f8) at ifioctl+0xe60 sys_ioctl(ffff80001d73a5f8,ffff80001d81e748,ffff80001d81e790) at sys_ioctl+0x4a1 syscall(ffff80001d81e810) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2baf438d770, count: 2 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> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic pool_do_get: mbufpl free list modified: page 0xfffffd805d39e000; item addr 0xfffffd805d39e900; offset 0x0=0x0 != 0x5bfc7c78bf733507 ddb> trace db_enter() at db_enter+0x18 panic(ffffffff82250235) at panic+0x15c pool_do_get(ffffffff8259e668,2,ffff80001d81e098) at pool_do_get+0x42a pool_get(ffffffff8259e668,2) at pool_get+0xb5 m_get(2,3) at m_get+0x4c rt_ifa_del(ffff800000a0c500,800100,ffff800000a0c540,0) at rt_ifa_del+0xa1 in6_unlink_ifa(ffff800000a0c500,ffff8000009f7800) at in6_unlink_ifa+0x571 in6_update_ifa(ffff8000009f7800,ffff80001d81e630,0) at in6_update_ifa+0x13f7 in6_ioctl_change_ifaddr(8080691a,ffff80001d81e630,ffff8000009f7800) at in6_ioctl_change_ifaddr+0x40c ifioctl(fffffd805dad3e18,8080691a,ffff80001d81e630,ffff80001d73a5f8) at ifioctl+0xe60 sys_ioctl(ffff80001d73a5f8,ffff80001d81e748,ffff80001d81e790) at sys_ioctl+0x4a1 syscall(ffff80001d81e810) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2baf438d770, count: -13 ddb> show registers rdi 0 rsi 0x3ffff acpi_pdirpa+0x2be67 rbp 0xffff80001d81df00 rbx 0xffff80001d81dfb0 rdx 0x40000 acpi_pdirpa+0x2be68 rcx 0xffff80001fa27000 rax 0xffff8000009fa380 r8 0xffff80001d81dec0 r9 0x1 r10 0xffff8000009fa380 r11 0x95c9b18c81d28e91 r12 0x3000000008 r13 0xffff80001d81df10 r14 0x100 r15 0x1 rip 0xffffffff812ce6e8 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff80001d81def0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb> show proc PROC (syz-executor.1) pid=153418 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=65, nice=20 forw=0xffffffffffffffff, list=0xffff80001d7394e8,0xffffffff82595198 process=0xffff8000ffffae70 user=0xffff80001d819000, vmspace=0xfffffd806bc09660 estcpu=15, cpticks=22, pctcpu=0.0 user=0, sys=18, intr=4 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 16568 472488 95545 0 2 0 syz-executor.1 *16568 153418 95545 0 7 0x4000000 syz-executor.1 95545 23568 63171 0 3 0x82 nanosleep syz-executor.1 36741 457875 63171 0 3 0x2 biowait syz-executor.0 63171 135059 57846 0 3 0x82 thrsleep syz-fuzzer 63171 275119 57846 0 3 0x4000082 nanosleep syz-fuzzer 63171 485970 57846 0 3 0x4000082 thrsleep syz-fuzzer 63171 149518 57846 0 3 0x4000082 thrsleep syz-fuzzer 63171 507654 57846 0 3 0x4000082 kqread syz-fuzzer 63171 426544 57846 0 3 0x4000082 thrsleep syz-fuzzer 63171 391483 57846 0 3 0x4000082 thrsleep syz-fuzzer 57846 136296 76178 0 3 0x10008a pause ksh 76178 36361 99530 0 3 0x92 select sshd 80467 44771 1 0 3 0x100083 ttyin getty 99530 334276 1 0 3 0x80 select sshd 83168 18344 6079 73 3 0x100090 kqread syslogd 6079 482387 1 0 3 0x100082 netio syslogd 86677 126675 1 77 3 0x100090 poll dhclient 72312 373663 1 0 3 0x80 poll dhclient 92352 207759 0 0 3 0x14200 bored smr 13686 498217 0 0 2 0x14200 zerothread 87905 426596 0 0 3 0x14200 aiodoned aiodoned 9706 19705 0 0 3 0x14200 syncer update 9213 19448 0 0 3 0x14200 cleaner cleaner 51501 301414 0 0 3 0x14200 reaper reaper 38173 15566 0 0 3 0x14200 pgdaemon pagedaemon 13936 141675 0 0 3 0x14200 bored crynlk 70394 303118 0 0 3 0x14200 bored crypto 46260 104273 0 0 3 0x40014200 acpi0 acpi0 8725 347564 0 0 3 0x14200 bored softnet 82696 277816 0 0 3 0x14200 bored systqmp 76613 125445 0 0 3 0x14200 bored systq 96348 177634 0 0 3 0x40014200 bored softclock 78169 174538 0 0 3 0x40014200 idle0 1 19812 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9472 6585K 6585K 78643K 10594 0 pcb 13 8K 8K 78643K 27 0 rtable 85 2K 3K 78643K 247 0 ifaddr 45 10K 10K 78643K 55 0 counters 21 16K 16K 78643K 22 0 ioctlops 0 0K 2K 78643K 19 0 iov 0 0K 12K 78643K 32 0 mount 1 1K 1K 78643K 1 0 vnodes 1219 77K 77K 78643K 1238 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 0K 0K 78643K 2 0 sem 8 0K 0K 78643K 8 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1794 195K 288K 78643K 12646 0 file desc 5 13K 25K 78643K 68 0 proc 48 38K 63K 78643K 361 0 subproc 32 2K 2K 78643K 34 0 NFS srvsock 1 0K 0K 78643K 1 0 NFS daemon 1 16K 16K 78643K 1 0 ip_moptions 0 0K 0K 78643K 3 0 in_multi 33 2K 2K 78643K 44 0 ether_multi 1 0K 0K 78643K 3 0 ISOFS mount 1 32K 32K 78643K 1 0 MSDOSFS mount 1 16K 16K 78643K 1 0 ttys 31 148K 148K 78643K 31 0 exec 0 0K 1K 78643K 185 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 115 22K 42K 78643K 1020 0 UVM aobj 2 2K 2K 78643K 2 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 16 0 NDP 6 0K 0K 78643K 11 0 temp 68 3032K 3096K 78643K 1973 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle arp 64 10 0 4 1 0 1 1 0 8 0 rtpcb 80 23 0 21 1 0 1 1 0 8 0 rtentry 112 59 0 25 2 0 2 2 0 8 0 unpcb 120 25 0 17 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 64 0 64 1 0 1 1 0 8 1 tcpcb 544 36 0 32 1 0 1 1 0 8 0 inpcb 280 104 0 95 2 0 2 2 0 8 1 nd6 48 6 0 0 1 0 1 1 0 8 0 art_heap8 4096 1 0 0 1 0 1 1 0 8 0 art_heap4 256 267 0 84 13 0 13 13 0 8 1 art_table 32 268 0 84 2 0 2 2 0 8 0 art_node 16 58 0 30 1 0 1 1 0 8 0 sysvmsgpl 40 4 0 2 1 0 1 1 0 8 0 semapl 112 6 0 0 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1470 0 72 88 0 88 88 0 8 0 ffsino 240 1470 0 72 83 0 83 83 0 8 0 nchpl 144 1745 0 146 60 0 60 60 0 8 0 uvmvnodes 72 1524 0 0 28 0 28 28 0 8 0 vnodes 208 1524 0 0 81 0 81 81 0 8 0 namei 1024 4272 0 4272 1 0 1 1 0 8 1 vmpool 528 1 0 1 1 0 1 1 0 8 1 scxspl 192 4337 0 4336 1 0 1 1 0 8 0 plimitpl 152 16 0 9 1 0 1 1 0 8 0 sigapl 424 254 0 226 4 0 4 4 0 8 0 futexpl 56 818 0 818 1 0 1 1 0 8 1 knotepl 112 61 0 42 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipelkpl 16 76 0 66 1 0 1 1 0 8 0 pipepl 120 152 0 133 1 0 1 1 0 8 0 fdescpl 432 240 0 226 2 0 2 2 0 8 0 filepl 120 1223 0 1124 4 0 4 4 0 8 1 lockfpl 104 19 0 18 1 0 1 1 0 8 0 lockfspl 48 7 0 6 1 0 1 1 0 8 0 sessionpl 112 17 0 7 1 0 1 1 0 8 0 pgrppl 48 17 0 7 1 0 1 1 0 8 0 ucredpl 96 66 0 59 1 0 1 1 0 8 0 zombiepl 144 226 0 226 1 0 1 1 0 8 1 processpl 920 254 0 226 4 0 4 4 0 8 0 procpl 624 303 0 268 4 0 4 4 0 8 1 sockpl 400 152 0 133 4 0 4 4 0 8 2 mcl4k 4096 10 0 10 2 1 1 1 0 8 1 mcl2k 2048 62296 0 62245 17 2 15 15 0 8 7 mtagpl 80 5 0 2 2 1 1 1 0 8 0 mbufpl 256 99305 0 99212 12 1 11 11 0 8 1 mbufpl: pool(0xffffffff8259e668:mbufpl): free list modified: page 0xfffffd805d39e000; item ordinal 0; addr 0xfffffd805d39e900 (p 0xfffffd805dd94000); offset 0x0=0x0 mbufpl: pool(0xffffffff8259e668:mbufpl): page inconsistency: page 0xfffffd805d39e000; item ordinal 1; addr 0x50598211341cad07 bufpl 280 3318 0 126 228 0 228 228 0 8 0 anonpl 16 37804 0 24832 54 1 53 53 0 107 0 amapchunkpl 152 1672 0 1538 19 0 19 19 0 158 13 amappl16 192 959 0 271 35 0 35 35 0 8 0 amappl15 184 17 0 15 1 0 1 1 0 8 0 amappl14 176 23 0 18 1 0 1 1 0 8 0 amappl13 168 23 0 22 1 0 1 1 0 8 0 amappl12 160 12 0 9 2 1 1 1 0 8 0 amappl11 152 44 0 34 1 0 1 1 0 8 0 amappl10 144 15 0 10 1 0 1 1 0 8 0 amappl9 136 368 0 366 1 0 1 1 0 8 0 amappl8 128 318 0 282 2 0 2 2 0 8 0 amappl7 120 115 0 101 1 0 1 1 0 8 0 amappl6 112 27 0 19 1 0 1 1 0 8 0 amappl5 104 186 0 176 1 0 1 1 0 8 0 amappl4 96 419 0 395 1 0 1 1 0 8 0 amappl3 88 101 0 94 1 0 1 1 0 8 0 amappl2 80 1111 0 1044 2 0 2 2 0 8 0 amappl1 72 14017 0 13613 24 8 16 17 0 8 7 amappl 80 555 0 513 1 0 1 1 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 1 0 0 1 0 1 1 0 8 0 uaddrrnd 24 241 0 227 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 241 0 227 1 0 1 1 0 8 0 vmmpekpl 168 5836 0 5812 2 0 2 2 0 8 0 vmmpepl 168 35453 0 33701 104 7 97 97 0 357 20 vmsppl 272 240 0 227 2 0 2 2 0 8 1 pdppl 4096 488 0 454 6 0 6 6 0 8 1 pvpl 32 130439 0 114524 130 0 130 130 0 265 1 pmappl 200 240 0 227 1 0 1 1 0 8 0 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 239 0 6 7 0 7 7 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace db_enter() at db_enter+0x18 panic(ffffffff82250235) at panic+0x15c pool_do_get(ffffffff8259e668,2,ffff80001d81e098) at pool_do_get+0x42a pool_get(ffffffff8259e668,2) at pool_get+0xb5 m_get(2,3) at m_get+0x4c rt_ifa_del(ffff800000a0c500,800100,ffff800000a0c540,0) at rt_ifa_del+0xa1 in6_unlink_ifa(ffff800000a0c500,ffff8000009f7800) at in6_unlink_ifa+0x571 in6_update_ifa(ffff8000009f7800,ffff80001d81e630,0) at in6_update_ifa+0x13f7 in6_ioctl_change_ifaddr(8080691a,ffff80001d81e630,ffff8000009f7800) at in6_ioctl_change_ifaddr+0x40c ifioctl(fffffd805dad3e18,8080691a,ffff80001d81e630,ffff80001d73a5f8) at ifioctl+0xe60 sys_ioctl(ffff80001d73a5f8,ffff80001d81e748,ffff80001d81e790) at sys_ioctl+0x4a1 syscall(ffff80001d81e810) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2baf438d770, count: -13 ddb> machine ddbcpu 1 No such command ddb> trace db_enter() at db_enter+0x18 panic(ffffffff82250235) at panic+0x15c pool_do_get(ffffffff8259e668,2,ffff80001d81e098) at pool_do_get+0x42a pool_get(ffffffff8259e668,2) at pool_get+0xb5 m_get(2,3) at m_get+0x4c rt_ifa_del(ffff800000a0c500,800100,ffff800000a0c540,0) at rt_ifa_del+0xa1 in6_unlink_ifa(ffff800000a0c500,ffff8000009f7800) at in6_unlink_ifa+0x571 in6_update_ifa(ffff8000009f7800,ffff80001d81e630,0) at in6_update_ifa+0x13f7 in6_ioctl_change_ifaddr(8080691a,ffff80001d81e630,ffff8000009f7800) at in6_ioctl_change_ifaddr+0x40c ifioctl(fffffd805dad3e18,8080691a,ffff80001d81e630,ffff80001d73a5f8) at ifioctl+0xe60 sys_ioctl(ffff80001d73a5f8,ffff80001d81e748,ffff80001d81e790) at sys_ioctl+0x4a1 syscall(ffff80001d81e810) at syscall+0x507 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x2baf438d770, count: -13