last executing test programs: 307.195886ms ago: executing program 1 (id=2): chmod(&(0x7f0000000040)='.\x00', 0x35e) mkdir(&(0x7f0000000140)='./file2\x00', 0x8) r0 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000100), 0x100, 0x0) r1 = socket(0x18, 0x2, 0x0) kqueue() ioctl$WSMUXIO_LIST_DEVICES(0xffffffffffffffff, 0x80047476, &(0x7f0000000080)={0x401, [{0x2, 0x101}, {0x1, 0x5}, {0x2, 0x800}, {0x3, 0x5}, {0x3, 0xd98}, {0x2, 0x4}, {0x2}, {0x2, 0x8}, {0x1, 0x5}, {0x2, 0x80000000}, {0x1, 0x7f}, {0x1, 0x6}, {0x3, 0x3}, {0x3}, {0x2, 0x200}, {0x1, 0xa224}, {0x3, 0xf1}, {0x3, 0xb4}, {0x2, 0xdc}, {0x3, 0x8}, {0x3, 0x7}, {0x2, 0x1}, {0x3, 0x9f5}, {0x3, 0x40}, {0x1, 0x10000}, {0x2, 0xaec}, {0x2, 0xffff}, {0x3, 0x5}, {0x1, 0x3e33}, {0x3, 0x372002ea}, {0x1, 0x83ff}, {0x1, 0x4}]}) pipe2(0x0, 0x30000) r2 = socket(0x18, 0x3, 0x0) setsockopt(r2, 0x1000000029, 0x2e, &(0x7f0000000000)="ebffcbff964800"/20, 0x14) openat$null(0xffffffffffffff9c, &(0x7f00000001c0), 0x20, 0x0) r3 = socket(0x2, 0x2, 0x0) openat$zero(0xffffffffffffff9c, &(0x7f0000000800), 0x0, 0x0) socket(0x2, 0x2, 0x0) connect$inet(r3, &(0x7f0000000000)={0x10, 0x2, 0x2}, 0x10) setsockopt$sock_int(r3, 0xffff, 0x1023, &(0x7f0000000040)=0x6, 0x4d) sendto(r2, 0x0, 0x0, 0x0, &(0x7f0000000040)=@in6={0x1c, 0x18, 0x1, 0x4, "0000fe00000001700024000000000010", 0xffffffc0}, 0x1c) r4 = socket(0x2, 0x8002, 0x0) mknod(&(0x7f0000000200)='./file0\x00', 0x2000, 0x4287e) r5 = open(&(0x7f0000000300)='./file0\x00', 0x80000000000206, 0x4ebfac6bbaf7815) ioctl$FIONREAD(r5, 0x800474c4, &(0x7f0000000080)) writev(r5, &(0x7f0000000340)=[{&(0x7f0000000140)="f4f3ba678a000000020000000000", 0x1}, {&(0x7f0000000240)="b842b322a8690e488b0183204b3c20c30f0d28bb25774fe35ecf87321f6b542a89530d740106bd7b58d0bbe3f22844695f310921397d3bcf021999b59811be03ab0cefdc7ef18f623f7e4d55f8f4d39e52b848137e2713f0c4a7cb75abd5b45f4d263ab1e775ff91e53e9a09080000003edc9e4c2f5c0546dcef9fb4bbad65c054dcaef0998651dd02fc43389c1cc5d8d4084359c7bf6479662202ed1215590f818317ad452b", 0xa6}], 0x2) r6 = fcntl$dupfd(r4, 0x2, 0xffffffffffffffff) closefrom(r6) dup(r4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$unix(r7, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000100)=ANY=[@ANYBLOB="28000000ffff000001"], 0x28}, 0x0) connect$inet6(r1, &(0x7f0000000100)={0x1c, 0x18, 0x2, 0x280d, "00000000000000000000000000000080", 0x5}, 0x1c) ioctl$BIOCSETF(r0, 0x80104267, &(0x7f00000001c0)={0x1, &(0x7f0000000000)=[{0xa3bc, 0x43, 0x0, 0x83f}]}) setresuid(0x0, 0xee00, 0x0) getuid() 306.26705ms ago: executing program 0 (id=1): ioctl$TIOCSETA(0xffffffffffffffff, 0x802c7414, &(0x7f0000000040)={0x27ff9, 0x4b6b, 0x200, 0x21d8b78b, "0700a460190d070a7f00000004002fcaaed20500", 0x3db, 0x40}) syz_emit_ethernet(0x5a, &(0x7f0000000000)={@local, @remote, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0x4c, 0x0, 0x2000, 0x0, 0x0, 0x0, @remote={0xac, 0x14, 0x0}, @broadcast}, @udp={{0x1, 0x2, 0x8}, {"b76bf11d5d4ff88eab4e7d94dcf5288151f250627b0e1fb09303834ed31912d28c8b0c85e066cffa0341de445bbf0423"}}}}}}) syz_emit_ethernet(0x1000e, &(0x7f0000000080)={@random="b905f0ffffff", @empty, [], {@ipv4={0x800, {{0x5, 0x4, 0x0, 0x0, 0xffb0, 0x0, 0x1, 0x0, 0x0, 0x0, @remote={0xac, 0x14, 0x0}, @broadcast}, @icmp=@info_request={0xf, 0x0, 0x0, 0x205c, 0x3}}}}}) sysctl$net_inet_divert(&(0x7f0000000040)={0x4, 0x1e, 0x2, 0x2}, 0x4, 0x0, 0x0, 0x0, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) sysctl$vfs_ffs(&(0x7f0000000140)={0xa, 0x1, 0x7}, 0x3, &(0x7f0000000180)="5c65a6c1059c8748bc483e77b2577b9a51ccf03ebe57036977cc82a1a8b05b31507dbf96c2f443596ac1da1bd8553eaff3ae", &(0x7f00000001c0)=0x32, &(0x7f0000000200)="b8defb5cecaf6d827195964cdeb0df9d12bca4d75073aa00e08167ad7508590f92e0e11e08f091b17118df54a2ede082b7", 0x31) ioctl$WSMOUSEIO_SETPARAMS(0xffffffffffffffff, 0x80105728, &(0x7f00000000c0)={&(0x7f0000000bc0)=[{0x1a0, 0x9}, {0x100, 0x4}], 0x2}) sysctl$kern(&(0x7f00000000c0)={0x1, 0x33}, 0x3, &(0x7f0000000100)="71f91e3471ac0058bc5a91501d94a34b8e5f84cf71b59c7afec37082", &(0x7f0000000080)=0x3414, 0x0, 0xffffffffffffffb8) setuid(0xffffffffffffffff) r0 = socket$inet(0x2, 0x1, 0x0) bind$inet(r0, &(0x7f0000000000)={0x10, 0x2, 0x3}, 0x10) sysctl$net_inet_ip(&(0x7f0000000040)={0x4, 0x11}, 0x6, &(0x7f0000000080)="ae215599fed2fce97f573b9c553a0e622d29cd093849cd4fe42e0f5d2d06a4e744f0713d1fcaa1b8274dffd067d413ef9d2224d3fddc171f73a295b6ed18b3d0588be75e78a1d734e15bfe", 0x0, 0x0, 0xfffffffffffffd37) 295.152739ms ago: executing program 3 (id=4): socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) getsockopt(r0, 0xffff, 0x1004, &(0x7f00000003c0)=""/176, &(0x7f0000000000)=0xb0) 281.782814ms ago: executing program 5 (id=6): sendto$unix(0xffffffffffffffff, &(0x7f0000000140)="b100050300000400000008b307000000331c13fecea10500fef96ec0c72fd3357ae30200004e3039d2d236acf20b7804be38164991f7c8cf5f882b297be1aa0500000051e2f0ad09000000000000009b67404d335c223e7d0c032bfa896443a42102000000720fd18bfbb670c1f5a872c881ea6e2ec5890400000000008000361b1257aea8c500002022fbfe0c2300008abfba0900000008e371a3f8343712051eeab71d1889e0", 0xa7, 0x40e, 0x0, 0x0) ioctl$BIOCSETIF(0xffffffffffffffff, 0x8020426c, &(0x7f00000001c0)={'tap', 0x0}) r0 = socket(0x2, 0x3, 0x0) mknod(&(0x7f0000000280)='./file0\x00', 0x2000, 0x33b9) r1 = open(&(0x7f0000000480)='./file0\x00', 0x800, 0x4ebfac6bbaf7900) openat$pf(0xffffffffffffff9c, &(0x7f0000000200), 0x2, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) ioctl$VNDIOCCLR(r1, 0xc0a86b07, &(0x7f0000000200)={0x0, 0x10000, 0x0}) ioctl$FIONREAD(r0, 0x80286987, &(0x7f00000001c0)) r2 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) mknod(&(0x7f0000000100)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x2000, 0x0) mknod(&(0x7f0000001040)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x2000, 0xd02) mknod$loop(&(0x7f0000000000)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x2000, 0x1) mmap(&(0x7f0000000000/0x400000)=nil, 0x400000, 0x3, 0x5012, 0xffffffffffffffff, 0x0) mknod(&(0x7f0000000540)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x2000, 0x0) symlink(&(0x7f0000000700)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', &(0x7f0000000600)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00') rename(&(0x7f00000003c0)='.\x00', 0x0) poll(&(0x7f0000000080)=[{r2, 0x10}, {r0, 0x40}, {r0, 0x2}, {r0, 0xa2}], 0x4, 0x7f) setitimer(0x0, &(0x7f0000000000)={{0xcc3f, 0x80000001}, {0x80000000, 0x7dff}}, 0x0) 240.395867ms ago: executing program 3 (id=9): r0 = openat$bpf(0xffffffffffffff9c, &(0x7f00000001c0), 0x40000, 0x0) ioctl$BIOCSETIF(r0, 0x8020426c, &(0x7f00000000c0)={'tap', 0x0}) ioctl$BIOCSETF(r0, 0x80104267, &(0x7f0000000140)={0x3, &(0x7f0000000000)=[{0x24, 0x0, 0x2, 0x4}, {0x2, 0x9, 0xf7, 0x6}, {0x9b1e, 0x2, 0xf4, 0x4000800}]}) (async) sysctl$net_inet_etherip(&(0x7f0000000040)={0x4, 0x2, 0x61, 0x2}, 0x4, 0x0, 0x0, 0x0, 0x0) (async) syz_emit_ethernet(0x36, &(0x7f0000000100)={@broadcast, @random="e04b1c561ac4", [], {@ipv6={0x86dd, {0x0, 0x6, "36e282", 0x0, 0x3b, 0x2, @rand_addr="0182c124b80eaba90c00d6ea67b400", @local={0xfe, 0x80, '\x00', 0x0}}}}}) 160.228006ms ago: executing program 2 (id=3): ioctl$BIOCSETWF(0xffffffffffffffff, 0x80104277, &(0x7f0000000000)={0x3, &(0x7f00000000c0)=[{0x2, 0x0, 0x0, 0x8000003}, {0x0, 0x0, 0x40}, {0x46, 0x0, 0x0, 0x37f}]}) sysctl$kern(&(0x7f00000000c0)={0x1, 0x42}, 0x6, &(0x7f0000000100)="71f91e3471ac0058bc5a91501d94a34b8e5f84cf71b59c7afec37082", &(0x7f0000000080)=0x1918, 0x0, 0xffac) r0 = openat$pf(0xffffffffffffff9c, &(0x7f0000000700), 0x200, 0x0) sysctl$net_inet_udp(&(0x7f0000000040)={0x4, 0x2, 0x11, 0x2}, 0x4, &(0x7f00000003c0)="94f69cf170d69e9d2c829623ce443bbaef5f2af0c8a3a67b7aaa20a01275d766ae76de297889ee773b21dce7da7e1901311d58b1d549277bd6532e4626257266cb4fd0b97dbbb4410246b214933b8bce729d6cf1c8f49f64cee47964a3ceffeca0aee60b91574d711e24adb9ea06dcc9916c69153cc5f7bf", &(0x7f0000000440)=0x78, &(0x7f0000000480)="a5dfe85e14763366ee08db6a943c4856198a3640925f36ff9cce2a7803f50724693e2e7caaa828d21557946406748c453cb4682d4674c22a9a374e61679f66847c6987b51f5b7649376a65b71e9ed7779af3ea1d017d0b3abb960be3d12bf965ea34e39b1807fdc5752fe3c20a4b1354ed112520ee4fcb5fdc0c25f02483ed8c4d80c58462d8c0f15c46adb403a3d9152c17b83142c070a1d39da6104e990691f47e97fdbacf034b7e044d11cc4a83772aa44e8ad2e2042d6d3fa2ac1e8798fd7866c876177792356c11fed6ba06", 0xce) sendmsg$unix(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)=[{&(0x7f0000000b40)="825a4f47c21e6ed7eda0f58f10939603ad903abf65b18d01000000000000000000000001000000af776665d4cd12c60034", 0x31}], 0x1, 0x0, 0x2, 0x2}, 0x40d) select(0x40, &(0x7f0000000180)={0xfffffffffffffff9, 0x44809e9d, 0xffffffffffffffff, 0xfffffffffffffffd, 0x2800000000000000, 0x181c, 0x8, 0x2000000000000004}, 0x0, 0x0, 0x0) mknod(&(0x7f00000000c0)='./file1\x00', 0x2000, 0x637d) pipe2(&(0x7f0000000240)={0xffffffffffffffff}, 0x10004) r2 = kqueue() sysctl$net_inet_udp(&(0x7f0000000200)={0x4, 0x2, 0x11, 0x1}, 0x4, &(0x7f0000000580)="3441d711145a0d2ab2369e6e48e81d95e1256859fd8e534030905a3ac79b3e7d37ab8a841aee03e86e9726882be2a173165604a93a8aab9676528362b118e3f1e02e237f29ca70b2fe78e328d2b0ff60417744232035714c4483113b62240b84d05ad31b6768862e69a855480f33408e5e6f687be37d7c349384043e355cefb1c8a280a6753233eeb3aac4d37f02d41b04871102585e1d11ea56cc957bf549349d2e1830491f3720c5d060edca9a85038659e2121c7589e1176deb3b4a9c86d2cd19050fad927e", &(0x7f0000000680)=0xc7, &(0x7f0000000b80)="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0x1000) kevent(r2, &(0x7f00000000c0), 0x8, &(0x7f00000001c0), 0x15, 0x0) r3 = open(&(0x7f0000000080)='./file1\x00', 0x40, 0x132) writev(0xffffffffffffffff, &(0x7f0000000140)=[{&(0x7f00000000c0)="bf30e56f81ea65f2f48172e98e56de47", 0x10}], 0x1) kevent(0xffffffffffffffff, 0x0, 0x7fff, &(0x7f00000002c0)=[{{}, 0xfffffffffffffffb, 0x44, 0x0, 0x0, 0x8000005}, {{}, 0xfffffffffffffffa, 0xc1, 0xf0000000, 0xe6ac, 0x46ad}, {{}, 0xfffffffffffffffc, 0x1, 0xf0000000, 0x1, 0x4}, {{}, 0xfffffffffffffffc, 0x20, 0x10, 0x7, 0x400}, {{}, 0xfffffffffffffffb, 0x40, 0x20000000, 0x9, 0x3}, {{}, 0xfffffffffffffffc, 0x6, 0x2, 0xe, 0x10000}, {{}, 0xfffffffffffffffa, 0x1c, 0x1, 0x1, 0xfffffffffffffffd}, {{}, 0xfffffffffffffffd, 0x28, 0x4, 0x4000100, 0xfffffffffffffffb}], 0xb19, 0x0) ioctl$FIONBIO(r3, 0x82907003, &(0x7f0000000140)=0x2) madvise(&(0x7f0000000000/0x14000)=nil, 0x14000, 0x2) recvmmsg(0xffffffffffffffff, &(0x7f0000000140)={{0x0, 0x0, 0x0, 0x1c, 0x0}, 0x3}, 0x38, 0x2041, &(0x7f0000003d80)={0x22008, 0x9}) closefrom(r1) ioctl$TIOCSETA(r0, 0xc4504449, &(0x7f0000000740)={0x0, 0x2, 0x2f00, 0xf, "3901224200", 0x2007, 0x10}) 142.846624ms ago: executing program 6 (id=7): r0 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000100), 0xbe, 0x0) ioctl$BIOCSETIF(r0, 0x8020426c, &(0x7f0000000080)={'tap', 0x0}) ioctl$BIOCSETF(0xffffffffffffffff, 0x80104267, &(0x7f0000000040)={0x3, &(0x7f0000000180)=[{0x84, 0xc, 0x7, 0x9}, {0x50, 0xd1, 0xd, 0x7}, {0x6, 0x5, 0x30, 0xfffff802}]}) syz_emit_ethernet(0x3e, &(0x7f00000001c0)=ANY=[@ANYBLOB="ffff4400ffffaaaa019078ac0000bbe0dbd8010cff0f0000080000456cfffc00000000080100f0e0000001e0000001000000000203000000000000000000f62cccfdc7acea75fbd3a31c123fcba6774d03e33d92de7693be7908002459840ed24e40e3461d7a7a3632d2"]) ioctl$BIOCSHDRCMPLT(r0, 0x80044275, &(0x7f0000000000)=0x2) 87.73072ms ago: executing program 6 (id=10): mknod(&(0x7f0000000180)='./bus\x00', 0x2000, 0xd01) r0 = open(&(0x7f0000000000)='./bus\x00', 0x10000, 0x1) ioctl$VMM_IOC_CREATE(0xffffffffffffffff, 0xc5005601, &(0x7f0000000000)={0x10, 0x0, [{&(0x7f0000ffb000/0x2000)=nil, &(0x7f0000663000/0x4000)=nil, 0xfffffffffffff801}, {&(0x7f00006ac000/0x4000)=nil, 0x0, 0x3}, {&(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffe000/0x2000)=nil}, {0x0, &(0x7f0000515000/0x4000)=nil}, {&(0x7f00000f2000/0x11000)=nil, &(0x7f0000ffb000/0x1000)=nil}, {&(0x7f0000000000/0x2000)=nil, &(0x7f0000ffd000/0x1000)=nil}, {0x0, 0x0, 0x80000000}, {&(0x7f0000727000/0x3000)=nil, &(0x7f0000ffe000/0x2000)=nil}, {&(0x7f0000ad4000/0x2000)=nil, &(0x7f0000826000/0x1000)=nil}, {&(0x7f0000110000/0x2000)=nil, &(0x7f0000ffc000/0x4000)=nil}, {0x0, &(0x7f000065d000/0x2000)=nil, 0xdc9}, {&(0x7f0000ffb000/0x2000)=nil, &(0x7f0000ffd000/0x2000)=nil, 0xfffffffffffffffc}, {0x0, &(0x7f0000ffd000/0x3000)=nil}, {&(0x7f00004c1000/0x2000)=nil}, {&(0x7f00001cf000/0x4000)=nil}, {&(0x7f0000355000/0x13000)=nil, &(0x7f0000358000/0x2000)=nil, 0x80}], './file0\x00', 0x7, 0x0, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ff, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x63, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xc87, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x4000000, 0x2000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x0, 0x20000000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x800000, 0x0, 0xfffffffc, 0x20000000, 0x0, 0x0, 0x0, 0x0, 0x80, 0x0, 0xfffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000, 0x0, 0x0, 0x0, 0xfe7d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x0, 0x0, 0x6]}) (async) r1 = open(&(0x7f0000000240)='./bus\x00', 0x2, 0x111) (async) ioctl$WSMUXIO_INJECTEVENT(0xffffffffffffffff, 0x80185760, &(0x7f0000000000)={0xffffffff, 0xb, {0x0, 0x1}}) (async, rerun: 32) r2 = socket(0x18, 0x3, 0x0) (rerun: 32) getsockopt(r2, 0x3a, 0x12, 0x0, 0x0) (async) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5) ioctl$VNDIOCSET(r1, 0x84946467, &(0x7f0000000000)={0x0, 0xffffffffffffffba, 0x0}) (async, rerun: 32) ioctl$VNDIOCGET(r0, 0x20006473, 0x0) (async, rerun: 32) r3 = socket(0x2, 0x400000000002, 0x0) setsockopt(r3, 0x0, 0x5, &(0x7f0000000080)='\x00\x00\x00\x00', 0x4) (async, rerun: 64) r4 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080), 0x100, 0x0) (rerun: 64) ioctl$BIOCSETIF(r4, 0x8020426c, &(0x7f00000000c0)={'tap', 0x0}) (async) r5 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080), 0x8, 0x0) (async) r6 = socket(0x11, 0x3, 0x0) fchflags(r6, 0x0) (async) ioctl$BIOCSETIF(r5, 0x8020426c, &(0x7f0000000200)={'tap', 0x0}) (async) ioctl$BIOCSDIRFILT(r5, 0x8004427d, &(0x7f0000000000)=0x7) (async, rerun: 32) syz_emit_ethernet(0x2a, &(0x7f0000000040)=ANY=[@ANYBLOB="b905f0ffffff00000000000008004500001c00000001000046b2706dd92a64bfc306901f089078ac0400bbffffff1a10009078205e0003"]) (rerun: 32) 39.379671ms ago: executing program 5 (id=11): setuid(0xee01) sysctl$kern(&(0x7f0000000040)={0x1, 0x55}, 0x2, &(0x7f0000000000)="71f91e3471ac0058bc5a91501d94a34b8e5f84cf71b59c7afec37082", &(0x7f00000000c0)=0xfffffffffffffd56, 0x0, 0x0) (async) sysctl$kern(&(0x7f0000000040)={0x1, 0x55}, 0x2, &(0x7f0000000000)="71f91e3471ac0058bc5a91501d94a34b8e5f84cf71b59c7afec37082", &(0x7f00000000c0)=0xfffffffffffffd56, 0x0, 0x0) 2.135045ms ago: executing program 1 (id=12): r0 = openat$wskbd(0xffffffffffffff9c, &(0x7f0000000000), 0x80, 0x0) ioctl$WSKBDIO_SETBACKLIGHT(r0, 0x800c5712, &(0x7f0000000040)={0x4, 0x4, 0x26}) r1 = openat$bpf(0xffffffffffffff9c, &(0x7f0000000080), 0x40, 0x0) ioctl$BIOCGRTIMEOUT(r1, 0x4010426e, &(0x7f00000000c0)) preadv(0xffffffffffffffff, &(0x7f00000003c0)=[{&(0x7f0000000100)=""/46, 0x2e}, {&(0x7f0000000140)=""/126, 0x7e}, {&(0x7f00000001c0)=""/117, 0x75}, {&(0x7f0000000240)=""/253, 0xfd}, {&(0x7f0000000340)=""/35, 0x23}, {&(0x7f0000000380)=""/31, 0x1f}], 0x6, 0x8) r2 = openat$diskmap(0xffffffffffffff9c, &(0x7f0000000440), 0x8000, 0x0) r3 = fcntl$dupfd(r2, 0x0, r0) ioctl$AUDIO_GETDEV(r3, 0x4030411b, &(0x7f0000000480)) fchdir(r1) closefrom(r0) ioctl$VNDIOCSET(r3, 0xc0384600, &(0x7f0000000540)={&(0x7f00000004c0)='./file0\x00', 0xffffffffffffffff, &(0x7f0000000500)='./file0\x00', 0x8}) ioctl$BIOCGDIRFILT(r3, 0x4004427c, &(0x7f0000000580)) madvise(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x2) setsockopt$sock_int(r3, 0xffff, 0x1, &(0x7f00000005c0)=0xf93, 0x4) ioctl$TIOCSTART(r3, 0x2000746e) mkdir(&(0x7f0000000600)='./file0\x00', 0xe1) r4 = openat$diskmap(0xffffffffffffff9c, &(0x7f0000000640), 0x400, 0x0) sysctl$net_inet_ipcomp(&(0x7f0000000680), 0x4, &(0x7f00000006c0)="5179b19448ec5ce2acfe83c38ee9b697617182cbb2de4db06bf67b651025be5ea1830cb5694523d1ad164b9971118cbc443e9fb2d1c3b4cd481f7df87d3bad86a15f41f61770274380ac9a433a4400681ebc9255a52a19d52a85b52deeb46dec5b754ae1dd47c835", &(0x7f0000000740)=0x68, &(0x7f0000000780)="edc59b09b3eb7f5041d71bdfdc1f6a1fbdc623bb7f3e4ee75b356c941de68e836d80b3b224d557e0ccb7418b505fd563bf4a8810cce6bc03b2e1297c5f3d5f9facdf512841ed40832cda2afb1c5e232cc65993795aa53eeda8dfd298", 0x5c) r5 = shmget$private(0x0, 0x12000, 0x4, &(0x7f0000feb000/0x12000)=nil) shmctl$SHM_UNLOCK(r5, 0x4) ioctl$VNDIOCSET(r3, 0xc0384600, &(0x7f0000000880)={&(0x7f0000000800)='./file0\x00', 0x1, &(0x7f0000000840)='./file0\x00', 0x8}) ioctl$TIOCMBIS(r3, 0x8004746c, &(0x7f00000008c0)=0x2) ioctl$AUDIO_GETPOS(r3, 0x40104123, &(0x7f0000000900)) ioctl$AUDIO_GETSTATUS(r3, 0x40204128, &(0x7f0000000940)) mkdirat(r3, &(0x7f0000000980)='./file0\x00', 0x4) mprotect(&(0x7f0000ffb000/0x3000)=nil, 0x3000, 0x0) ioctl$WSKBDIO_COMPLEXBELL(r3, 0x80105702, &(0x7f00000009c0)={0xa2, 0x1, 0xffffff80, 0x9}) r6 = openat$pf(0xffffffffffffff9c, &(0x7f0000000a00), 0x8000, 0x0) r7 = accept(r3, &(0x7f0000000a40)=@in, &(0x7f0000000a80)=0x10) kevent(r3, &(0x7f0000000ac0)=[{{r6}, 0xfffffffffffffff8, 0x80, 0x2, 0x9e, 0x3}, {{r2}, 0xfffffffffffffff6, 0x3, 0xb00fffcb, 0x3, 0x435}, {{r0}, 0xfffffffffffffff8, 0x30, 0x4, 0x5, 0x3}, {{r7}, 0xfffffffffffffffc, 0x7, 0x20, 0x7, 0x8}, {{r2}, 0xffffffffffffffff, 0xc0, 0xfffff, 0x4c, 0x9}, {{r0}, 0xfffffffffffffff9, 0x22, 0x400fffea, 0x5, 0x6}, {{r6}, 0xfffffffffffffffc, 0x0, 0x1, 0xcd, 0x4}, {{r0}, 0xfffffffffffffffc, 0x62, 0x10, 0x8, 0x37dac3e0}, {{r4}, 0xfffffffffffffffa, 0x10, 0x2, 0x7, 0x6a}], 0x4, &(0x7f0000000c00)=[{{r1}, 0xfffffffffffffffa, 0xe0, 0x20, 0x6, 0x1}], 0x3, &(0x7f0000000c40)={0x381, 0x3}) 0s ago: executing program 7 (id=8): r0 = socket(0x18, 0x1, 0x0) mknod(0x0, 0x40, 0xffffffff) setsockopt(r0, 0x1000000000029, 0x9, &(0x7f0000000040)="03000000", 0x4) getpeername$unix(r0, &(0x7f0000000100)=@abs, &(0x7f0000000140)=0x8) setsockopt(r0, 0x1000000000029, 0xb, 0x0, 0x0) symlink(&(0x7f0000000180)='./file0\x00', &(0x7f0000000640)='./file0\x00') r1 = open(&(0x7f0000000080)='./bus\x00', 0x0, 0x0) readv(r1, &(0x7f0000000040)=[{&(0x7f0000002140)=""/4112, 0x1000}, {&(0x7f0000001140)=""/4092, 0x1000}], 0x1000000000000037) setsid() setpgid(0x0, 0x0) mkdirat(r1, &(0x7f0000000000)='./file0\x00', 0x3) ioctl$BIOCSDIRFILT(r1, 0x8004427d, &(0x7f00000000c0)=0x6) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.159' (ED25519) to the list of known hosts. mode = 020000, inum = 26202, fs = / panic: ffs_valloc: dup alloc Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND *397427 81653 0 0x2 0 1 syz-executor 389345 96748 0 0x14000 0x200 0 zerothread db_enter() at db_enter+0x25 panic(ffffffff83499291) at panic+0x1e5 ffs_inode_alloc(fffffd806d108268,41ed,fffffd80097fd410,ffff80002a323be8) at ffs_inode_alloc+0x94e ufs_mkdir(ffff80002a323c50) at ufs_mkdir+0xfc VOP_MKDIR(fffffd806cb42118,ffff80002a323db0,ffff80002a323de0,ffff80002a323ce0) at VOP_MKDIR+0x101 domkdirat(ffff8000fffefca0,ffffff9c,7785df7221f0,1ff) at domkdirat+0x179 syscall(ffff80002a323f60) at syscall+0xb17 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7785df722290, count: 7 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 *cpu1: ffs_valloc: dup alloc ddb{1}> trace db_enter() at db_enter+0x25 panic(ffffffff83499291) at panic+0x1e5 ffs_inode_alloc(fffffd806d108268,41ed,fffffd80097fd410,ffff80002a323be8) at ffs_inode_alloc+0x94e ufs_mkdir(ffff80002a323c50) at ufs_mkdir+0xfc VOP_MKDIR(fffffd806cb42118,ffff80002a323db0,ffff80002a323de0,ffff80002a323ce0) at VOP_MKDIR+0x101 domkdirat(ffff8000fffefca0,ffffff9c,7785df7221f0,1ff) at domkdirat+0x179 syscall(ffff80002a323f60) at syscall+0xb17 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7785df722290, count: -8 ddb{1}> show registers rdi 0 rsi 0x1 rbp 0xffff80002a323960 rbx 0xffff80002999ee07 rdx 0 rcx 0xffff8000fffefca0 rax 0xffff80002999dff0 r8 0x101010101010101 r9 0x8080808080808080 r10 0x8214145f2e163c78 r11 0x42e16ecea4df8778 r12 0xffff80002999ec08 r13 0 r14 0 r15 0x1 rip 0xffffffff82a35e95 db_enter+0x25 cs 0x8 rflags 0x246 rsp 0xffff80002a323950 ss 0x10 db_enter+0x25: addq $0x8,%rsp ddb{1}> show proc PROC (syz-executor) tid=397427 pid=81653 tcnt=1 stat=onproc flags process=2 proc=0 runpri=51, usrpri=86, slppri=32, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff8000ffffca68,0xffff8000fffefa18 process=0xffff8000ffff4008 user=0xffff80002a31f000, vmspace=0xfffffd800b0635b8 estcpu=36, cpticks=8, pctcpu=0.4, user=0, sys=8, intr=0 ddb{1}> ps PID TID PPID UID S FLAGS WAIT COMMAND 82016 51014 85601 0 3 0x80 nanoslp syz-executor 82016 189876 85601 0 3 0x4000080 fsleep syz-executor 82016 17355 85601 0 3 0x4000080 fsleep syz-executor 82016 95280 85601 0 3 0x4000080 fsleep syz-executor 85601 316595 69584 0 3 0x82 nanoslp syz-executor *81653 397427 69584 0 7 0x2 syz-executor 69584 24831 67943 0 3 0x82 wait syz-executor 67943 175680 85850 0 3 0x10008a sigsusp ksh 85850 210962 81980 0 3 0x98 kqread sshd-session 81980 209213 75729 0 3 0x92 kqread sshd-session 48252 248641 1 0 3 0x100083 ttyin getty 75729 38601 1 0 3 0x88 kqread sshd 34389 181162 22041 74 3 0x1100092 bpf pflogd 22041 29081 1 0 3 0x80 sbwait pflogd 26615 215228 42532 73 3 0x1100090 kqread syslogd 42532 23015 1 0 3 0x100082 sbwait syslogd 42179 293948 1 0 3 0x100080 kqread resolvd 2185 4174 45618 77 3 0x100092 kqread dhcpleased 77230 247032 45618 77 3 0x100092 kqread dhcpleased 45618 45289 1 0 3 0x80 kqread dhcpleased 61008 308369 0 0 3 0x14200 bored smr 96748 389345 0 0 7 0x14200 zerothread 32761 385027 0 0 3 0x14200 aiodoned aiodoned 19530 34313 0 0 3 0x14200 syncer update 40112 263942 0 0 3 0x14200 cleaner cleaner 44129 214419 0 0 3 0x14200 reaper reaper 17585 358337 0 0 3 0x14200 pgdaemon pagedaemon 10199 457357 0 0 3 0x14200 bored viomb 64797 397344 0 0 3 0x40014200 acpi0 acpi0 43288 515064 0 0 3 0x40014200 idle1 30169 89060 0 0 3 0x14200 bored softnet1 22756 302654 0 0 3 0x14200 bored softnet0 70219 11588 0 0 3 0x14200 smrbar systqmp 17683 342597 0 0 3 0x14200 bored systq 22116 137109 0 0 3 0x14200 tmoslp softclockmp 68123 159546 0 0 3 0x40014200 tmoslp softclock 2149 356407 0 0 3 0x40014200 idle0 1 410320 0 0 3 0x82 wait init 0 0 -1 0 3 0x10200 scheduler swapper ddb{1}> show all locks Process 81653 (syz-executor) thread 0xffff8000fffefca0 (397427) exclusive rrwlock inode r = 0 (0xfffffd806c603a08) #0 witness_lock+0x5f1 #1 rw_do_enter_write+0x419 #2 rrw_enter+0xc6 #3 VOP_LOCK+0xbd #4 ufs_ihashins+0x4f #5 ffs_vget+0x187 #6 ffs_inode_alloc+0x279 #7 ufs_mkdir+0xfc #8 VOP_MKDIR+0x101 #9 domkdirat+0x179 #10 syscall+0xb17 #11 Xsyscall+0x128 exclusive rrwlock inode r = 0 (0xfffffd806d108308) #0 witness_lock+0x5f1 #1 rw_do_enter_write+0x419 #2 rrw_enter+0xc6 #3 VOP_LOCK+0xbd #4 vn_lock+0xa4 #5 vfs_lookup+0x10f #6 namei+0x7c5 #7 domkdirat+0x8b #8 syscall+0xb17 #9 Xsyscall+0x128 exclusive kernel_lock &kernel_lock r = 0 (0xffffffff83a52ec0) #0 witness_lock+0x5f1 #1 syscall+0xaf4 #2 Xsyscall+0x128 Process 70219 (systqmp) thread 0xffff8000ffffe7c8 (11588) shared rwlock systqmp r = 0 (0xffffffff83992ef8) #0 witness_lock+0x5f1 #1 taskq_thread+0x12a #2 proc_trampoline+0x10 ddb{1}> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 11050 12082K 12156K 166960K 12216 0 pcb 50 14K 14K 166960K 63 0 rtable 217 6K 7K 166960K 359 0 pf 32 17K 18K 166960K 51 0 ifaddr 41 7K 7K 166960K 47 0 ifgroup 51 2K 2K 166960K 65 0 sysctl 1 1K 9K 166960K 6 0 counters 68 36K 37K 166960K 76 0 ioctlops 0 0K 4K 166960K 1519 0 iov 0 0K 0K 166960K 1 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1293 81K 81K 166960K 1367 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 1K 166960K 2 0 VM map 2 1K 1K 166960K 2 0 sem 2 0K 0K 166960K 2 0 dirhash 12 2K 2K 166960K 12 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 11 37K 89K 166960K 138 0 proc 70 115K 164K 166960K 552 0 subproc 72 4K 4K 166960K 72 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 in_multi 88 6K 7K 166960K 99 0 ether_multi 1 0K 0K 166960K 1 0 mrt 0 0K 0K 166960K 2 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 25 122K 122K 166960K 25 0 exec 0 0K 1K 166960K 387 0 fusefs mount 1 32K 32K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 188 173K 185K 166960K 3104 0 UVM aobj 3 2K 2K 166960K 3 0 pinsyscall 36 72K 108K 166960K 1305 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 2 0 NDP 27 2K 2K 166960K 30 0 temp 33 9110K 9176K 166960K 4178 0 kqueue 13 20K 24K 166960K 24 0 SYN cache 2 16K 16K 166960K 2 0 ddb{1}> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle plcache 128 26 0 0 1 0 1 1 0 8 0 rtpcb 120 37 0 33 1 0 1 1 0 8 0 rtentry 176 111 0 12 5 0 5 5 0 8 0 unpcb 144 37 0 20 1 0 1 1 0 8 0 syncache 336 3 0 3 1 0 1 1 0 8 1 tcpcb 736 8 0 4 1 0 1 1 0 8 0 arp 136 18 0 2 1 0 1 1 0 8 0 inpcb 328 105 0 64 4 0 4 4 0 8 0 nd6 152 24 0 3 1 0 1 1 0 8 0 kcovpl 48 8 0 0 1 0 1 1 0 8 0 mppekey 1024 1 0 1 1 0 1 1 0 8 1 ppxss 1192 2 0 2 1 0 1 1 0 8 1 pffrag 232 1 0 1 1 0 1 1 0 482 1 pffrnode 88 1 0 1 1 0 1 1 0 8 1 pffrent 40 2 0 2 1 0 1 1 0 8 1 pfosfp 40 1428 0 1005 5 0 5 5 0 8 0 pfosfpen 112 1428 0 714 21 0 21 21 0 8 0 pfstitem 24 18 0 0 1 0 1 1 0 8 0 pfstkey 128 18 0 0 1 0 1 1 0 8 0 pfstate 448 18 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 256 452 0 0 29 0 29 29 0 8 0 art_table 40 453 0 0 5 0 5 5 0 8 0 art_node 32 111 0 11 1 0 1 1 0 8 0 dirhash 1024 17 0 0 3 0 3 3 0 8 0 dino2pl 256 1574 0 104 93 0 93 93 0 8 0 ffsino 296 1574 0 104 114 0 114 114 0 8 0 nchpl 144 1766 0 64 64 0 64 64 0 8 0 vnodes 216 1665 0 0 93 0 93 93 0 8 0 namei 1024 5474 0 5473 2 0 2 2 0 8 1 percpumem 16 53 0 4 1 0 1 1 0 8 0 kstatmem 264 31 0 6 3 0 3 3 0 8 1 scxspl 216 6179 0 6179 4 1 3 3 1 8 3 plimitpl 152 27 0 10 1 0 1 1 0 8 0 sigapl 424 459 0 418 7 0 7 7 0 8 1 knotepl 120 55 0 0 2 0 2 2 0 8 0 kqueuepl 224 22 0 13 1 0 1 1 0 8 0 pipepl 344 126 0 99 3 0 3 3 0 8 0 fdescpl 528 443 0 418 3 0 3 3 0 8 0 filepl 160 1661 0 1423 11 0 11 11 0 8 0 lockfpl 104 10 0 8 1 0 1 1 0 8 0 lockfspl 48 6 0 4 1 0 1 1 0 8 0 sessionpl 144 22 0 13 1 0 1 1 0 8 0 pgrppl 48 30 0 13 1 0 1 1 0 8 0 ucredpl 104 70 0 57 1 0 1 1 0 8 0 zombiepl 144 424 0 418 1 0 1 1 0 8 0 processpl 1232 459 0 418 5 0 5 5 0 8 0 procpl 664 473 0 429 5 0 5 5 0 8 0 sockpl 752 179 0 117 7 0 7 7 0 8 0 mcl64k 65536 3 0 0 1 0 1 1 0 8 0 mcl16k 16384 2 0 0 1 0 1 1 0 8 0 mcl8k 8192 2 0 0 1 0 1 1 0 8 0 mcl4k 4096 121 0 0 16 0 16 16 0 8 0 mcl2k 2048 15 0 0 2 0 2 2 0 8 0 mtagpl 96 2 0 0 1 0 1 1 0 8 0 mbufpl 256 139 0 0 9 0 9 9 0 8 0 bufpl 280 2391 0 105 164 0 164 164 0 8 0 anonpl 32 3561 0 0 29 0 29 29 0 246 0 amapchunkpl 152 8005 0 7682 19 0 19 19 0 158 2 amappl16 200 381 0 367 3 0 3 3 0 8 2 amappl15 192 1 0 1 1 0 1 1 0 8 1 amappl14 184 437 0 435 1 0 1 1 0 8 0 amappl13 176 120 0 108 1 0 1 1 0 8 0 amappl12 168 708 0 684 2 0 2 2 0 8 0 amappl11 160 4 0 4 1 0 1 1 0 8 1 amappl10 152 66 0 52 1 0 1 1 0 8 0 amappl9 144 270 0 270 1 0 1 1 0 8 1 amappl8 136 104 0 102 1 0 1 1 0 8 0 amappl7 128 147 0 133 1 0 1 1 0 8 0 amappl6 120 151 0 150 1 0 1 1 0 8 0 amappl5 112 88 0 78 1 0 1 1 0 8 0 amappl4 104 288 0 268 1 0 1 1 0 8 0 amappl3 96 1460 0 1385 3 0 3 3 0 8 0 amappl2 88 534 0 470 2 0 2 2 0 8 0 amappl1 80 9353 0 8776 15 0 15 15 0 8 1 amappl 88 2368 0 2253 4 0 4 4 0 92 0 uvmvnodes 80 100 0 0 3 0 3 3 0 8 0 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 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 72 2 0 0 1 0 1 1 0 8 0 uaddrrnd 24 443 0 418 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 443 0 418 1 0 1 1 0 8 0 vmmpekpl 168 5417 0 5371 3 0 3 3 0 8 0 vmmpepl 168 34924 0 33348 87 0 87 87 0 357 5 vmsppl 488 442 0 418 5 0 5 5 0 8 1 rwobjpl 80 12253 0 11288 25 0 25 25 0 8 2 pdppl 4096 893 0 836 99 16 83 83 0 8 26 pvpl 32 9381 0 0 77 0 77 77 0 265 1 pmappl 256 442 0 418 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 270 0 19 8 0 8 8 0 8 0 ddb{1}> machine ddbcpu 0 Stopped at x86_ipi_db+0x27: addq $0x8,%rsp x86_ipi_db(ffffffff839c1ff0) at x86_ipi_db+0x27 x86_ipi_handler() at x86_ipi_handler+0xd9 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83a526c0) at __mp_lock+0x192 softintr_dispatch(0) at softintr_dispatch+0x125 dosoftint(0) at dosoftint+0x54 Xsoftclock() at Xsoftclock+0x27 uvm_pagezero_thread(ffff8000ffffcd00) at uvm_pagezero_thread+0x19b end trace frame: 0x0, count: 7 ddb{0}> trace x86_ipi_db(ffffffff839c1ff0) at x86_ipi_db+0x27 x86_ipi_handler() at x86_ipi_handler+0xd9 Xresume_lapic_ipi() at Xresume_lapic_ipi+0x27 __mp_lock(ffffffff83a526c0) at __mp_lock+0x192 softintr_dispatch(0) at softintr_dispatch+0x125 dosoftint(0) at dosoftint+0x54 Xsoftclock() at Xsoftclock+0x27 uvm_pagezero_thread(ffff8000ffffcd00) at uvm_pagezero_thread+0x19b end trace frame: 0x0, count: -8 ddb{0}> machine ddbcpu 1 Stopped at db_enter+0x25: addq $0x8,%rsp db_enter() at db_enter+0x25 panic(ffffffff83499291) at panic+0x1e5 ffs_inode_alloc(fffffd806d108268,41ed,fffffd80097fd410,ffff80002a323be8) at ffs_inode_alloc+0x94e ufs_mkdir(ffff80002a323c50) at ufs_mkdir+0xfc VOP_MKDIR(fffffd806cb42118,ffff80002a323db0,ffff80002a323de0,ffff80002a323ce0) at VOP_MKDIR+0x101 domkdirat(ffff8000fffefca0,ffffff9c,7785df7221f0,1ff) at domkdirat+0x179 syscall(ffff80002a323f60) at syscall+0xb17 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7785df722290, count: 7 ddb{1}> trace db_enter() at db_enter+0x25 panic(ffffffff83499291) at panic+0x1e5 ffs_inode_alloc(fffffd806d108268,41ed,fffffd80097fd410,ffff80002a323be8) at ffs_inode_alloc+0x94e ufs_mkdir(ffff80002a323c50) at ufs_mkdir+0xfc VOP_MKDIR(fffffd806cb42118,ffff80002a323db0,ffff80002a323de0,ffff80002a323ce0) at VOP_MKDIR+0x101 domkdirat(ffff8000fffefca0,ffffff9c,7785df7221f0,1ff) at domkdirat+0x179 syscall(ffff80002a323f60) at syscall+0xb17 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7785df722290, count: -8