Warning: Permanently added '10.128.0.168' (ECDSA) to the list of known hosts. 2020/04/25 18:14:48 fuzzer started 2020/04/25 18:14:54 dialing manager at 10.128.15.235:14264 2020/04/25 18:14:54 syscalls: 338 2020/04/25 18:14:54 code coverage: enabled 2020/04/25 18:14:54 comparison tracing: enabled 2020/04/25 18:14:54 extra coverage: support is not implemented in syzkaller 2020/04/25 18:14:54 setuid sandbox: enabled 2020/04/25 18:14:54 namespace sandbox: support is not implemented in syzkaller 2020/04/25 18:14:54 Android sandbox: support is not implemented in syzkaller 2020/04/25 18:14:54 fault injection: support is not implemented in syzkaller 2020/04/25 18:14:54 leak checking: support is not implemented in syzkaller 2020/04/25 18:14:54 net packet injection: enabled 2020/04/25 18:14:54 net device setup: support is not implemented in syzkaller 2020/04/25 18:14:54 concurrency sanitizer: support is not implemented in syzkaller 2020/04/25 18:14:54 devlink PCI setup: support is not implemented in syzkaller 2020/04/25 18:14:54 USB emulation: support is not implemented in syzkaller 18:15:00 executing program 0: link(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)='./file0\x00') r0 = open$dir(&(0x7f0000000080)='./file0\x00', 0x8, 0x22) linkat(r0, &(0x7f00000000c0)='\x00', 0xffffffffffffffff, &(0x7f0000000100)='./file0\x00', 0x0) open$dir(&(0x7f0000000140)='./file0\x00', 0x400, 0x6) r1 = dup2(0xffffffffffffffff, 0xffffffffffffffff) connect$unix(r1, &(0x7f0000000180)=@file={0x1, './file0\x00'}, 0xa) r2 = openat$tty(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/tty\x00', 0x40, 0x0) fcntl$setflags(r2, 0x2, 0x0) pread(r0, &(0x7f0000000200)="d3815a5f59296edddce5f4e29b337faa6e6fa36d480a235069f436be180f7ca29b651c551fdb106f8c975a5639dc2d30fc3e9f3b3e4f8767a9516ccbfd89d9e0fd0e58387c7876853eead8f71be8561093a2b238d1e6ead6d11e5c00", 0x5c, 0x0, 0xb415) open$dir(&(0x7f0000000280)='./file0\x00', 0x10, 0x0) r3 = open(&(0x7f0000000300)='./file0\x00', 0x800, 0x0) symlinkat(&(0x7f00000002c0)='./file0\x00', r3, &(0x7f0000000340)='./file0\x00') msgget(0x2, 0x51a) fsync(r1) r4 = shmget$private(0x0, 0x1000, 0xa0, &(0x7f0000ffe000/0x1000)=nil) shmctl$IPC_RMID(r4, 0x0) r5 = openat$wsdisplay(0xffffffffffffff9c, &(0x7f0000000380)='/dev/ttyCcfg\x00', 0x2, 0x0) ioctl$VT_SETMODE(r5, 0x80087602, &(0x7f00000003c0)={0x0, 0x81, 0xa9f3, 0xe20, 0x2}) r6 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./file1\x00', 0x40, 0x80) mkdirat(r6, &(0x7f0000000440)='./file0\x00', 0x90) 18:15:00 executing program 1: r0 = openat$null(0xffffffffffffff9c, &(0x7f0000000000)='/dev/null\x00', 0x0, 0x0) ioctl$WSDISPLAYIO_SMODE(r0, 0x8004574c, &(0x7f0000000040)=0x2) r1 = openat$diskmap(0xffffffffffffff9c, &(0x7f0000000080)='/dev/diskmap\x00', 0x400, 0x0) r2 = fcntl$dupfd(r1, 0xa, r0) mprotect(&(0x7f0000ff5000/0x8000)=nil, 0x8000, 0x0) openat$diskmap(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/diskmap\x00', 0x0, 0x0) mmap(&(0x7f0000ff9000/0x1000)=nil, 0x1000, 0x0, 0x1012, r2, 0x0, 0xf400000) fcntl$getown(0xffffffffffffffff, 0x5) r3 = openat$null(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null\x00', 0x10000, 0x0) ftruncate(r3, 0x0, 0x6) semop(0x0, &(0x7f0000000140)=[{0x3, 0x8, 0x800}, {0x3, 0x0, 0x1000}, {0x1, 0x1}, {0x0, 0x88, 0x1000}, {0x3, 0x4}, {0x2, 0x0, 0x1000}, {0x4, 0x4000, 0x1800}], 0x7) r4 = open(&(0x7f0000000180)='./file0\x00', 0x0, 0x9) ioctl$PCIOCREAD(r4, 0xc0107002, &(0x7f00000001c0)) pipe(&(0x7f0000000200)) r5 = openat(r4, &(0x7f0000000240)='./file0\x00', 0x10000, 0x4) mmap(&(0x7f0000ffb000/0x1000)=nil, 0x1000, 0x0, 0x810, r5, 0x0, 0x180000000000) ioctl$KDENABIO(0xffffffffffffff9c, 0x20004b3c) fcntl$setflags(0xffffffffffffffff, 0x2, 0x1) bind$unix(r4, &(0x7f0000000280)=@abs={0x1, 0x0, 0x0}, 0x8) fcntl$setstatus(r3, 0x4, 0x40) 18:15:00 executing program 0: dup2(0xffffffffffffffff, 0xffffffffffffffff) preadv(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x5) sendto$inet6(0xffffffffffffff9c, 0x0, 0x0, 0x2, 0x0, 0x0) r0 = openat$wskbd(0xffffffffffffff9c, &(0x7f00000005c0)='/dev/wskbd0\x00', 0x0, 0x0) close(r0) semctl$GETPID(0x0, 0x4, 0x4, 0x0) r1 = socket(0x800000018, 0x1, 0x0) r2 = semget$private(0x0, 0x5, 0x400) semctl$GETPID(r2, 0x3, 0x4, &(0x7f0000000180)=""/190) semop(r2, &(0x7f00000002c0)=[{0x4, 0x1, 0x1000}, {0x3, 0x9}, {0x3, 0x1, 0x3800}, {0x3, 0xfffc, 0x800}, {0x1, 0x401, 0x1000}], 0x5) semop(r2, &(0x7f0000000140)=[{0x4, 0xffffffff, 0x1000}, {0x4, 0x3, 0x1000}], 0x2) semctl$GETZCNT(r2, 0x3, 0x7, &(0x7f0000000100)=""/66) bind$unix(r1, &(0x7f0000000080)=@abs={0x1f95d27d48731892, 0x7}, 0x1c) bind$unix(r1, &(0x7f0000000080)=@abs={0x0, 0x7}, 0x8) openat$vmm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vmm\x00', 0x1, 0x0) r3 = syz_open_pts() close(r3) ioctl$TIOCSETAF(0xffffffffffffffff, 0x802c7416, &(0x7f0000000000)={0x0, 0xe3, 0xfffffffffffffff8, 0xfc80d8c, "00fe0212420e091fe60000e4e539de00"}) writev(r3, &(0x7f0000001940)=[{&(0x7f0000000940)="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", 0x190}], 0x1) ioctl$TIOCFLUSH(r3, 0x80047410, &(0x7f0000000000)=0x3f) 18:15:01 executing program 1: mknod(&(0x7f0000000000)='./bus\x00', 0x2001, 0x4086331) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) r1 = getpid() fcntl$setown(r0, 0x6, r1) ktrace(&(0x7f0000000080)='./bus/file0\x00', 0x4, 0x1e, r1) ioctl$WSDISPLAYIO_DELFONT(0xffffffffffffffff, 0x8058574f, &(0x7f0000000140)={'./bus/file0\x00', 0xfb81, 0x0, 0x1, 0x1, 0x3a3a, 0x0, 0x0, 0x1, 0x2, 0x5, 0x5}) 18:15:01 executing program 0: r0 = open(&(0x7f0000000000)='./bus\x00', 0x400000003fd, 0x0) pwrite(r0, 0x0, 0x11, 0x0, 0x0) accept$unix(r0, &(0x7f0000000000)=@file={0x0, ""/52}, &(0x7f0000000040)=0x36) r1 = msgget$private(0x0, 0x0) msgrcv(r1, 0x0, 0x0, 0x0, 0x0) msgsnd(r1, &(0x7f0000000340)={0x3}, 0x0, 0x0) 18:15:02 executing program 1: ioctl$VMM_IOC_WRITEREGS(0xffffffffffffffff, 0x82485608, &(0x7f0000000240)={0x0, 0x0, 0x0, {[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff], [0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x1fc], [0x0, 0x0, 0x0, 0x9, 0xffff7fffffffefff, 0x80000], [0x0, 0x0, 0x482, 0x9], [{0x0, 0x4}, {}, {0x4}, {0x0, 0x0, 0x0, 0x1}, {0xfffc}], {}, {0x1ff, 0x0, 0x0, 0xff}}}) ioctl$BIOCSETIF(0xffffffffffffffff, 0x8020426c, &(0x7f0000000300)={'tap', 0x0}) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) r0 = openat$zero(0xffffffffffffff9c, &(0x7f0000000180)='/dev/zero\x00', 0x0, 0x0) ioctl$TIOCSBRK(r0, 0x2000747b) r1 = socket(0x18, 0x2, 0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, r1) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) setsockopt(r2, 0x0, 0x10001, &(0x7f0000000040)="64a78a9e5e9d4659fec8caeb559e659b5744a625744bb8231fcf6ddab74c2bcf185848c7f4bf41710a564641054660ca81d3edf0184f6193f36c03f85f0ecfa89d17d93dc85b033ef084dc2941cc8383c06a654cd2e287b690d298e1aafbe657bf637ba1a4a9fca2c31810b7c98f989ce742621d3217d24b9027219c97d3351b95c3f5e8944d3183712c341be43c049d3e00c1e986b62f818189babb8a079bd557a1a0acd7ed61c1ddd95ee7529f12dbc209a3ba3a071e3869d0af595ecf9a98f0014f237a8184ebfc4b1897d60ad4f50ac2e0eebaff570f3f57e45479a5988aae05", 0xe2) r3 = fcntl$dupfd(r1, 0x0, r1) r4 = open(&(0x7f0000000000)='./bus\x00', 0x400000003fd, 0x0) r5 = syz_open_pts() close(r5) ioctl$TIOCSETAF(r5, 0x802c7416, &(0x7f0000000000)={0x0, 0xe3, 0xfffffffffffffff8, 0xfc80d8c, "00002e518564a638fa0212420e091fe600"}) writev(r5, &(0x7f0000001940)=[{&(0x7f0000000940)="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", 0x190}], 0x1) ioctl$FIOSETOWN(r5, 0x8004667c, &(0x7f0000000140)=0xc) pwrite(r4, 0x0, 0x11, 0x0, 0x0) ioctl$VMM_IOC_WRITEREGS(r4, 0x82485608, &(0x7f00000004c0)={0x3f, 0x9, 0x400, {[0x6, 0x1000, 0x14f, 0x19d, 0x3, 0x5, 0x9, 0x6, 0x0, 0x1, 0x455, 0x101, 0x0, 0xffffffffffff607d, 0x7, 0x955f, 0x100000001, 0x6], [0x1, 0x800, 0x0, 0x5, 0xffffffff, 0x8, 0x3, 0x4, 0x0, 0x1], [0x8, 0xa5c2, 0x7f, 0x5, 0xffff, 0x12000000000, 0x81], [0x0, 0x9, 0x3, 0x9, 0x0, 0x3], [{0x2, 0x7, 0x2, 0x8001}, {0x1f, 0x3f, 0x7fffffff, 0x1000}, {0x0, 0x1e, 0x5e76, 0xd4}, {0x8, 0x3, 0x7, 0x60000}, {0x1, 0x6, 0x1f, 0x5}, {0xd77d, 0x482, 0x8, 0x8a2}, {0x9, 0x1ff, 0xc4, 0x6ba}, {0x5, 0x0, 0x8, 0x401}], {0x2009, 0xda25, 0xefa, 0xfff}, {0x4, 0x400, 0x5, 0x100000001}}}) ioctl$TIOCFLUSH(r3, 0x8080691a, &(0x7f0000000300)) poll(&(0x7f0000000000), 0x0, 0x3) 18:15:02 executing program 1: r0 = socket(0x18, 0x3, 0x0) close(r0) r1 = socket(0x800000018, 0x8003, 0x7) setsockopt$sock_int(r0, 0xffff, 0x1000, &(0x7f0000000000)=0x2008, 0x4) ioctl$TIOCSETAF(0xffffffffffffffff, 0x802c7416, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, "dc2200000000000000a10700"}) bind$unix(r1, &(0x7f0000000080)=@abs={0x1f95d27d48731892}, 0x1c) ioctl$WSMUXIO_INJECTEVENT(0xffffffffffffffff, 0x80185760, &(0x7f0000000000)={0x0, 0x0, {0x0, 0x5}}) r2 = socket(0x18, 0x1, 0x0) ioctl$TIOCSETA(0xffffffffffffffff, 0x802c7414, &(0x7f00000000c0)={0x0, 0x0, 0x1ff, 0x0, "000000000000000100008ff8a6594058b39a00", 0x0, 0x8}) openat$vmm(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vmm\x00', 0x40, 0x0) connect$unix(0xffffffffffffffff, &(0x7f00000000c0)=@abs={0x682eb13985c518e6, 0x7}, 0x1c) close(r2) r3 = socket(0x18, 0x3, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x4) dup2(r0, r2) setsockopt(r3, 0x1000000029, 0x2e, &(0x7f0000000000)="ebffcbff13f9fd812eaa4e713040e69931929648", 0x14) connect$unix(r2, &(0x7f00000000c0)=@abs={0x0, 0x7}, 0x1c) sendto$unix(r2, 0x0, 0x0, 0x0, 0x0, 0x0) 18:15:02 executing program 0: pipe2(&(0x7f0000000080), 0x0) connect$unix(0xffffffffffffffff, &(0x7f00000000c0)=@abs={0x682eb13985c518e6, 0x0, 0x2}, 0x8) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) mkdir(&(0x7f00000000c0)='./file0/file0\x00', 0x0) mkdir(&(0x7f0000000080)='./file0/file0\x00', 0x0) r0 = syz_open_pts() fchdir(r0) socketpair(0x6, 0x4000, 0x7, &(0x7f0000000100)) rename(&(0x7f0000000080)='./file0\x00', &(0x7f00000000c0)='./file0\x00') r1 = open(&(0x7f0000000140)='./file0/file0\x00', 0x8, 0x8c) ioctl$BIOCGRTIMEOUT(r1, 0x4010426e, &(0x7f0000000180)) r2 = open(&(0x7f0000000040)='./file0\x00', 0x70e, 0x0) mmap(&(0x7f0000ffc000/0x4000)=nil, 0x4000, 0x0, 0x10, r2, 0x0, 0x0) connect$unix(r2, &(0x7f0000000000)=@abs={0x0, 0x0, 0x0}, 0x8) 18:15:02 executing program 1: mkdir(&(0x7f0000000340)='./file0\x00', 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f000052fff8)='./file0\x00', 0x0, 0x0) mknodat(r0, &(0x7f0000000140)='./file0/../file0\x00', 0x80, 0x365) symlinkat(&(0x7f00000000c0)='/', r0, &(0x7f0000d06ff8)='./file0\x00') chdir(&(0x7f0000000300)='./file0\x00') chdir(&(0x7f0000000040)='./file0\x00') chdir(&(0x7f0000000240)='./file0\x00') chroot(&(0x7f0000000080)='.\x00') r1 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000340)='/dev/bpf\x00', 0x4000000001, 0x0) ioctl$BIOCSETIF(r1, 0x8020426c, &(0x7f00000000c0)={'tap', 0x0}) ioctl$BIOCSETWF(r1, 0x80104277, &(0x7f0000000280)={0x3, &(0x7f0000000000)=[{0x45}, {0x4d}, {0x6, 0x0, 0x0, 0xfd}]}) getdents(r0, &(0x7f0000000440)=""/157, 0x9d) pwrite(r1, &(0x7f0000000180)="f781ea80e21bb6f576c45af84a28", 0xe, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000400)={0xffffffffffffffff, 0xffffffffffffffff}) recvmsg(r2, &(0x7f00000002c0)={0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)=""/210, 0xd2}, 0x0) sendmsg$unix(r3, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="28000000ffff00000100000008cd7fdf03000000", @ANYRES32=r3, @ANYRES32=r3, @ANYRES32=r3, @ANYRES32=r2, @ANYRES32=r3], 0x28}, 0x0) 18:15:02 executing program 0: ioctl$BIOCSETIF(0xffffffffffffffff, 0x8020426c, &(0x7f0000000080)={'tap', 0x0}) ioctl$BIOCSETF(0xffffffffffffffff, 0x80104267, &(0x7f0000000000)={0x3, &(0x7f0000000140)=[{0x3}, {0x35, 0x0, 0x2}, {0x4000000000006, 0x70}]}) syz_emit_ethernet(0xe, &(0x7f00000000c0)=ANY=[@ANYBLOB="0000000000a8000539a9cef95600000000000000"]) 18:15:02 executing program 0: openat$wskbd(0xffffffffffffff9c, &(0x7f0000000000)='/dev/wskbd0\x00', 0x1, 0x0) r0 = syz_open_pts() close(r0) ioctl$TIOCSETAF(r0, 0x802c7416, &(0x7f0000000000)={0x0, 0xe3, 0xfffffffffffffff8, 0xfc80d8c, "00002e518564a638fa0212420e091fe600"}) writev(r0, &(0x7f0000001940)=[{&(0x7f0000000940)="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", 0x190}], 0x1) r1 = dup(r0) ioctl$WSMUXIO_INJECTEVENT(r1, 0x80045710, &(0x7f00000000c0)={0x80000000, 0x80, {0x4, 0x8}}) syz_emit_ethernet(0x1056, &(0x7f0000001980)={@empty, @local, [], {@ipv4={0x800, {{0x10, 0x4, 0x1, 0x8, 0x1048, 0x67, 0x780, 0x90, 0x0, 0x0, @local={0xac, 0x14, 0x0}, @multicast1, {[@end, @ra={0x94, 0x6, 0xffff7601}, @end, @noop, @timestamp={0x44, 0x1c, 0x4f, 0x1, 0x8, [{[@remote={0xac, 0x14, 0x0}], 0x404}, {[], 0x80000001}, {[@empty], 0x3}, {[], 0x400}]}, @ssrr={0x89, 0x7, 0x68, [@rand_addr=0x5]}]}}, @udp={{0x0, 0x3, 0x8}, {"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18:15:02 executing program 0: preadv(0xffffffffffffffff, &(0x7f0000000680)=[{&(0x7f0000000200)=""/122, 0x7a}, {&(0x7f0000000440)=""/126, 0x7e}, {&(0x7f0000000040)=""/202, 0xca}], 0x3, 0x0, 0x0) mknod(&(0x7f0000000140)='./bus\x00', 0x2003, 0xa6138) r0 = open(&(0x7f0000001ac0)='./bus\x00', 0x301, 0x0) symlinkat(&(0x7f00000000c0)='/', 0xffffffffffffffff, 0x0) r1 = open(&(0x7f0000000000)='./bus\x00', 0x400000003fd, 0x0) pwrite(r1, 0x0, 0x11, 0x0, 0x0) openat(r1, &(0x7f0000000000)='./bus\x00', 0x200, 0x15) r2 = geteuid() lchown(&(0x7f0000000280)='./bus\x00', r2, 0x0) pwritev(r0, &(0x7f00000002c0)=[{&(0x7f0000000180), 0xff20}], 0x100000000000005e, 0x0, 0x0) pwritev(r0, &(0x7f00000018c0)=[{&(0x7f0000001a40)="ff8db59eaf1c19d51327523ecbd7b87dfb4b0953aef7537c07898b2dade99c4cd745", 0x22}, {&(0x7f0000000300)="acecb03097b6905b3469cdbcb869139a25d78e77836c4107f49632bb27055c1089ac9d0bd7a55ecddd9aed938fc2cc4b8f103f57c40dd60ccbddd8ed9ca765ea5bb469cfcda2ae3a7559b3d4ba61162ffeaa59e2a252e263fbfdf361cc96cff09c03e5c0bd7afc4231f4ad1f712b90362179f2b639117579babdd6be935473ba1c4a9c551fd634ea788499c198ca928f8aa2a27186c58a9499ff0fca5ae7b2e48ae648ff7fb02951d0c3d7c36c6cdb46697e928e0c348707b422258e8baf79438541bd661914b70d82c12e51f5aa14ef3a818347aee58a35f24f4f18f48d13cce4889776dc7c4a01b414e3fa680fcef822c5", 0xf2}, {&(0x7f0000000400)="cb4005", 0x3}, {&(0x7f0000000540)="108944cffa0aa85c5171a9fc40c44bb21127ce2400c42eed0eb5491eadd30280d00ef05f2c61864b2fc63cdd2a3d20d71932cf2d31183369e4f291ecfbf29337f5e2af2d3339b782d394f922a20681ffe028883edce0a86acf934b850cdab764c0b649efd90263f4a7babb661b76d816533736da787962961d860a18f5f7a01217fe5d051d2cb6343d0f90bd5084c69b88a03d87bebd5f7c42a39625b09bf3ac6a0614aaa41ba10305c59f26bf5c890d5b119c72dcf1144d01e11ba7d738d336d600f0962fcbbc123a224d56b52ee02c75659cbe54d790959a8e964129241a9ddffb9dda33312f0df650a896b0", 0xed}, {&(0x7f0000000700)="9dca4017e0596a3a76d836264cc05463921d6587ca75560ec1619eafe362e41bfad99203019e9fbb91397e2b2518a0ece7d32d90f9e82d82028182a26cf03f4f4f38262318dd", 0x46}, {&(0x7f0000000880)="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0x1000}, {&(0x7f0000000780)="4e7f0dde63f0c55522f9aa69cf23a8f520ee4a6bb928f635e92d49295e356b1b027a7e094abff88398c0141e4b24d466e3844aa9162bc40620dbaced4d8ba803475a3ce7af03f16d7d1e3f136bc434dfe09e0c00b5b6c3c30d9c73c01783a5d824851bbce7318abe74e7ef93c1d74f8652103229cd64b27efc688814709086c5c32ae08bdba434a059f29352c24140ac743133c05a79f743c03be5e1e9a17554feefe5e4fac0b9f88a98004dc5c3eaf1", 0xb0}, {&(0x7f0000000180)="410e6c6c434a3d4892cc84333fdbe249de19c0d2ec25b3a3959640c87fd0fcd18a8bc2f0bc6eb3598596aa449cdd5dca3ccaf33f928a5df428d907000000000024c045b17a", 0x45}, {&(0x7f0000001880)="01b57cf00d266bcf1004cf", 0xb}], 0x9, 0x0, 0x0) 18:15:02 executing program 1: r0 = socket(0x2, 0x2, 0x0) connect$unix(r0, &(0x7f00000003c0)=ANY=[@ANYBLOB="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"], 0x10) r1 = socket(0x2, 0x2, 0x0) setsockopt$sock_int(r1, 0xffff, 0x1023, &(0x7f0000000080)=0x3, 0x4) connect$unix(r0, &(0x7f0000000240)=ANY=[@ANYBLOB="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"], 0xa) r2 = getuid() r3 = open(&(0x7f0000000000)='./bus\x00', 0x400000003fd, 0x0) pwrite(r3, 0x0, 0x11, 0x0, 0x0) setsockopt$sock_int(r3, 0xffff, 0x20, &(0x7f0000000040)=0x1f, 0x4) setreuid(0xee00, r2) r4 = getgid() r5 = socket(0x18, 0x1, 0x0) setsockopt(r5, 0x29, 0xa, &(0x7f0000000080)="ebffcbff13b9fd812eaa4e713048e69931929648", 0x4) setsockopt(r5, 0x80000000000029, 0xc, &(0x7f0000000000)="ebffcbff13b9fd812eaa4e713048e69931929648", 0x14) setsockopt(r5, 0x29, 0x80000000000000c, &(0x7f0000000140)="ebffcbff13b9fd812eaa4e713048e69931929648", 0x14) getsockopt$SO_PEERCRED(r5, 0xffff, 0x1022, &(0x7f00000191c0)={0x0, 0x0, 0x0}, 0x1) getgroups(0x19c, &(0x7f0000000200)=[0x0, 0x0, 0x0, r4, 0x0, 0x0, r6]) chown(&(0x7f00000000c0)='./file0\x00', r2, r6) listen(r0, 0x0) login: panic: pool_cache_item_magic_pchaencikc:: mkberunfepll dcpiuag nfroseet icl isats semordtiiofnie d":!_ kietermne ald_dlor ck0_xfheffldf(fd)8" 06ffa3il5e4cd:0 f0+il1e6 0"x/s0!yz=k0xa3l5le5rad/m7and9ag16ercs9f/maau1l ti cStopped at db_enter+0x18: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND 110145 75138 0 0 0x4000000 1 syz-executor.1 * 78837 12224 0 0 0x4000000 0 syz-executor.0 db_enter() at db_enter+0x18 panic(ffffffff821f8ccd) at panic+0x15c pool_cache_get(ffffffff82679e88) at pool_cache_get+0x323 pool_get(ffffffff82679e88,2) at pool_get+0x91 m_get(2,1) at m_get+0x4c switchwrite(a6138,ffff800023189150,1) at switchwrite+0x260 spec_write(ffff800023188f20) at spec_write+0xd4 VOP_WRITE(fffffd8063e65768,ffff800023189150,1,fffffd807f7bf840) at VOP_WRITE+0xc6 vn_write(fffffd8065bd2e58,ffff800023189150,1) at vn_write+0x198 dofilewritev(ffff800020ed9398,3,ffff800023189150,1,ffff800023189240) at dofilewritev+0x1b6 sys_pwritev(ffff800020ed9398,ffff8000231891f8,ffff800023189240) at sys_pwritev+0xb8 syscall(ffff8000231892c0) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xda80de76f40, 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{0}> ddb{0}> set $lines = 0 ddb{0}> set $maxwidth = 0 ddb{0}> show panic pool_cache_item_magic_check: mbufpl cpu free list modified: item addr 0xfffffd806f354c00+16 0x0!=0x355ad7d916c9faa1 ddb{0}> trace db_enter() at db_enter+0x18 panic(ffffffff821f8ccd) at panic+0x15c pool_cache_get(ffffffff82679e88) at pool_cache_get+0x323 pool_get(ffffffff82679e88,2) at pool_get+0x91 m_get(2,1) at m_get+0x4c switchwrite(a6138,ffff800023189150,1) at switchwrite+0x260 spec_write(ffff800023188f20) at spec_write+0xd4 VOP_WRITE(fffffd8063e65768,ffff800023189150,1,fffffd807f7bf840) at VOP_WRITE+0xc6 vn_write(fffffd8065bd2e58,ffff800023189150,1) at vn_write+0x198 dofilewritev(ffff800020ed9398,3,ffff800023189150,1,ffff800023189240) at dofilewritev+0x1b6 sys_pwritev(ffff800020ed9398,ffff8000231891f8,ffff800023189240) at sys_pwritev+0xb8 syscall(ffff8000231892c0) at syscall+0x4a4 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0xda80de76f40, count: -13 ddb{0}> show registers rdi 0xffffffff816cee17 db_enter+0x17 rsi 0x6132 __ALIGN_SIZE+0x5132 rbp 0xffff800023188be0 rbx 0xffff800023188c90 rdx 0x6133 __ALIGN_SIZE+0x5133 rcx 0xffff800020f6c000 rax 0xffff800020f6c000 r8 0xffffffff81dc909f kprintf+0x16f r9 0x1 r10 0x25 r11 0xf59fdae24c2e401e r12 0x3000000008 r13 0xffff800023188bf0 r14 0x100 r15 0x1 rip 0xffffffff816cee18 db_enter+0x18 cs 0x8 rflags 0x246 rsp 0xffff800023188bd0 ss 0x10 db_enter+0x18: addq $0x8,%rsp ddb{0}> show proc PROC (syz-executor.0) pid=78837 stat=onproc flags process=0 proc=4000000 pri=32, usrpri=86, nice=20 forw=0xffffffffffffffff, list=0xffff800020ed8018,0xffff800020ed9618 process=0xffff800020e81af8 user=0xffff800023184000, vmspace=0xfffffd807f0008a0 estcpu=36, cpticks=3, pctcpu=0.0 user=0, sys=2, intr=0 ddb{0}> ps PID TID PPID UID S FLAGS WAIT COMMAND 75138 255669 87032 0 2 0 syz-executor.1 75138 110145 87032 0 7 0x4000000 syz-executor.1 12224 498523 5693 0 2 0 syz-executor.0 *12224 78837 5693 0 7 0x4000000 syz-executor.0 87032 78964 9544 0 3 0x82 nanosleep syz-executor.1 5693 102347 9544 0 3 0x82 nanosleep syz-executor.0 9544 378382 41031 0 3 0x82 thrsleep syz-fuzzer 9544 425989 41031 0 3 0x4000082 thrsleep syz-fuzzer 9544 55497 41031 0 3 0x4000082 thrsleep syz-fuzzer 9544 210936 41031 0 3 0x4000082 thrsleep syz-fuzzer 9544 181886 41031 0 3 0x4000082 thrsleep syz-fuzzer 9544 247239 41031 0 3 0x4000082 thrsleep syz-fuzzer 9544 358875 41031 0 3 0x4000082 thrsleep syz-fuzzer 9544 407456 41031 0 3 0x4000082 thrsleep syz-fuzzer 9544 465255 41031 0 3 0x4000082 kqread syz-fuzzer 9544 265009 41031 0 3 0x4000082 thrsleep syz-fuzzer 41031 354820 86404 0 3 0x10008a pause ksh 86404 446184 43932 0 3 0x92 select sshd 56210 288681 1 0 3 0x100083 ttyin getty 43932 227756 1 0 3 0x80 select sshd 68043 220552 44132 74 3 0x100092 bpf pflogd 44132 467797 1 0 3 0x80 netio pflogd 7632 409976 38490 73 3 0x100090 kqread syslogd 38490 115497 1 0 3 0x100082 netio syslogd 33424 354317 1 77 3 0x100090 poll dhclient 79753 260254 1 0 3 0x80 poll dhclient 47967 28298 0 0 3 0x14200 bored smr 40039 176749 0 0 2 0x14200 zerothread 89805 318289 0 0 3 0x14200 aiodoned aiodoned 75202 114488 0 0 3 0x14200 syncer update 96084 185417 0 0 3 0x14200 cleaner cleaner 68835 389250 0 0 3 0x14200 reaper reaper 57403 106921 0 0 3 0x14200 pgdaemon pagedaemon 95249 257273 0 0 3 0x14200 bored crynlk 83825 460020 0 0 3 0x14200 bored crypto 13340 520370 0 0 3 0x40014200 acpi0 acpi0 22033 60755 0 0 3 0x40014200 idle1 14961 336880 0 0 3 0x14200 bored softnet 16109 395255 0 0 3 0x14200 bored systqmp 72504 229053 0 0 3 0x14200 bored systq 19360 129865 0 0 3 0x40014200 bored softclock 55347 46413 0 0 3 0x40014200 idle0 1 137931 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{0}> show all locks Process 12224 (syz-executor.0) thread 0xffff800020ed9398 (78837) exclusive kernel_lock &kernel_lock r = 0 (0xffffffff826697d8) #0 witness_lock+0x4c7 #1 vn_write+0x42 #2 dofilewritev+0x1b6 #3 sys_pwritev+0xb8 #4 syscall+0x4a4 #5 Xsyscall+0x128 ddb{0}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 9487 6466K 6466K 78643K 10579 0 pcb 13 8K 8K 78643K 23 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 1 0K 2K 78643K 2 0 mount 1 1K 1K 78643K 1 0 vnodes 1218 77K 77K 78643K 1225 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 4 0K 0K 78643K 4 0 dirhash 12 2K 2K 78643K 12 0 ACPI 1809 196K 290K 78643K 12766 0 file desc 6 17K 25K 78643K 47 0 sigio 0 0K 0K 78643K 1 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 31 148K 148K 78643K 31 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 113 22K 22K 78643K 1047 0 UVM aobj 2 2K 2K 78643K 4 0 memdesc 1 4K 4K 78643K 1 0 crypto data 1 1K 1K 78643K 1 0 ip6_options 0 0K 0K 78643K 4 0 NDP 7 0K 0K 78643K 11 0 temp 73 3036K 3100K 78643K 2098 0 kqueue 3 4K 4K 78643K 3 0 SYN cache 2 16K 16K 78643K 2 0 ddb{0}> 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 80 19 0 17 1 0 1 1 0 8 0 rtentry 112 45 0 1 2 0 2 2 0 8 0 unpcb 120 37 0 27 1 0 1 1 0 8 0 syncache 264 4 0 4 1 1 0 1 0 8 0 tcpqe 32 777 0 777 1 0 1 1 0 8 1 tcpcb 544 14 0 10 1 0 1 1 0 8 0 inpcb 280 51 0 44 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 14 0 0 1 0 1 1 0 8 0 pfstkey 112 14 0 0 1 0 1 1 0 8 0 pfstate 328 14 0 0 2 0 2 2 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 256 188 0 0 12 0 12 12 0 8 0 art_table 32 189 0 0 2 0 2 2 0 8 0 art_node 16 44 0 4 1 0 1 1 0 8 0 sysvmsgpl 40 2 0 0 1 0 1 1 0 8 0 semupl 112 1 0 1 1 0 1 1 0 8 1 semapl 112 2 0 0 1 0 1 1 0 8 0 shmpl 112 2 0 2 1 0 1 1 0 8 1 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1450 0 40 89 0 89 89 0 8 0 ffsino 272 1450 0 40 95 0 95 95 0 8 0 nchpl 144 1698 0 76 61 0 61 61 0 8 0 uvmvnodes 72 1495 0 0 28 0 28 28 0 8 0 vnodes 208 1495 0 0 79 0 79 79 0 8 0 namei 1024 4401 0 4401 1 0 1 1 0 8 1 percpumem 16 32 0 0 1 0 1 1 0 8 0 scxspl 192 4996 0 4996 2 1 1 2 0 8 1 plimitpl 152 15 0 7 1 0 1 1 0 8 0 sigapl 424 262 0 230 4 0 4 4 0 8 0 futexpl 56 278 0 278 1 0 1 1 0 8 1 knotepl 112 53 0 34 1 0 1 1 0 8 0 kqueuepl 144 2 0 0 1 0 1 1 0 8 0 pipelkpl 48 76 0 66 1 0 1 1 0 8 0 pipepl 120 152 0 133 1 0 1 1 0 8 0 fdescpl 496 247 0 230 3 0 3 3 0 8 0 filepl 152 1237 0 1136 5 0 5 5 0 8 1 lockfpl 104 8 0 7 1 0 1 1 0 8 0 lockfspl 48 4 0 3 1 0 1 1 0 8 0 sessionpl 112 18 0 7 1 0 1 1 0 8 0 pgrppl 48 18 0 7 1 0 1 1 0 8 0 ucredpl 96 77 0 68 1 0 1 1 0 8 0 zombiepl 144 230 0 230 1 0 1 1 0 8 1 processpl 984 262 0 230 5 0 5 5 0 8 1 procpl 624 294 0 251 4 0 4 4 0 8 0 sockpl 400 107 0 88 3 0 3 3 0 8 1 mcl64k 65536 1 0 0 1 0 1 1 0 8 0 mcl12k 12288 1 0 0 1 0 1 1 0 8 0 mcl8k 8192 1 0 0 1 0 1 1 0 8 0 mcl4k 4096 3 0 0 1 0 1 1 0 8 0 mcl2k 2048 224 0 0 27 0 27 27 0 8 0 mtagpl 80 2 0 0 1 0 1 1 0 8 0 mbufpl 256 215 0 0 14 1 13 13 0 8 0 bufpl 280 4152 0 190 283 0 283 283 0 8 0 anonpl 16 37502 0 23321 58 1 57 57 0 124 0 amapchunkpl 152 1099 0 965 8 0 8 8 0 158 1 amappl16 192 922 0 160 39 0 39 39 0 8 0 amappl15 184 1 0 0 1 0 1 1 0 8 0 amappl14 176 27 0 20 1 0 1 1 0 8 0 amappl13 168 42 0 37 1 0 1 1 0 8 0 amappl12 160 6 0 3 2 1 1 1 0 8 0 amappl11 152 58 0 42 1 0 1 1 0 8 0 amappl10 144 39 0 28 1 0 1 1 0 8 0 amappl9 136 392 0 391 1 0 1 1 0 8 0 amappl8 128 333 0 302 2 0 2 2 0 8 0 amappl7 120 125 0 113 1 0 1 1 0 8 0 amappl6 112 28 0 22 1 0 1 1 0 8 0 amappl5 104 146 0 129 1 0 1 1 0 8 0 amappl4 96 489 0 458 2 0 2 2 0 8 1 amappl3 88 110 0 102 1 0 1 1 0 8 0 amappl2 80 1015 0 939 3 0 3 3 0 8 1 amappl1 72 15702 0 15250 25 8 17 20 0 8 7 amappl 80 538 0 494 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 3 0 2 1 0 1 1 0 8 0 uaddrrnd 24 247 0 230 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 247 0 230 1 0 1 1 0 8 0 vmmpekpl 168 5891 0 5861 2 0 2 2 0 8 0 vmmpepl 168 37298 0 35282 115 2 113 113 0 357 25 vmsppl 368 246 0 230 2 0 2 2 0 8 0 pdppl 4096 502 0 460 6 0 6 6 0 8 0 pvpl 32 133315 0 115811 142 0 142 142 0 265 0 pmappl 232 246 0 230 2 0 2 2 0 8 1 extentpl 40 46 0 29 1 0 1 1 0 8 0 phpool 112 265 0 4 8 0 8 8 0 8 0