SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) kldload: can't load if_tap: module already loaded or in kernel SYZFAIL: tun: can't open device device=/dev/tap4 (errno 2: No such file or directory) SYZFAIL: repeatedly failed to execute the program proc=4 req=160 state=1 status=67 (errno 9: Bad file descriptor) FreeBSD/amd64 (ci-freebsd-main-8.us-central1-b.c.syzkaller.internal) (ttyu0) login: set $lines = 0 Password: Login incorrect login: show registers Password: Login incorrect login: kernel trap 12 with interrupts disabled Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x0 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff815b2651 stack pointer = 0x28:0xfffffe0056a617a0 frame pointer = 0x28:0xfffffe0056a618e0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = resume, IOPL = 0 current process = 11 (idle: cpu0) rdi: 0000000000000000 rsi: 0000000000000000 rdx: 0000000000000000 rcx: fffffe0002bf1850 r8: 0000000000000000 r9: 0000000000000001 rax: fffffe0000000000 rbx: fffffe0054172480 rbp: fffffe0056a618e0 r10: 6b410b41913b38ce r11: 0000000000000017 r12: 0000000000000000 r13: 0000007a6b40b5bd r14: fffffe0054172478 r15: 0000000000000000 trap number = 12 panic: page fault cpuid = 0 time = 23 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056a60fd0 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056a61130 vpanic() at vpanic+0x257/frame 0xfffffe0056a612f0 panic() at panic+0xb5/frame 0xfffffe0056a613b0 trap_pfault() at trap_pfault+0xaf2/frame 0xfffffe0056a614f0 trap() at trap+0x784/frame 0xfffffe0056a616d0 calltrap() at calltrap+0x8/frame 0xfffffe0056a616d0 --- trap 0xc, rip = 0xffffffff815b2651, rsp = 0xfffffe0056a617a0, rbp = 0xfffffe0056a618e0 --- callout_process() at callout_process+0x441/frame 0xfffffe0056a618e0 handleevents() at handleevents+0x3ee/frame 0xfffffe0056a61950 timercb() at timercb+0x3cb/frame 0xfffffe0056a61a20 lapic_handle_timer() at lapic_handle_timer+0x17f/frame 0xfffffe0056a61a60 Xtimerint() at Xtimerint+0xb1/frame 0xfffffe0056a61a60 --- interrupt, rip = 0xffffffff820f5e9b, rsp = 0xfffffe0056a61b30, rbp = 0xfffffe0056a61b30 --- acpi_cpu_c1() at acpi_cpu_c1+0xb/frame 0xfffffe0056a61b30 acpi_cpu_idle() at acpi_cpu_idle+0x4ce/frame 0xfffffe0056a61c10 cpu_idle_acpi() at cpu_idle_acpi+0x48/frame 0xfffffe0056a61c40 cpu_idle() at cpu_idle+0x199/frame 0xfffffe0056a61c70 sched_idletd() at sched_idletd+0xd25/frame 0xfffffe0056a61ef0 fork_exit() at fork_exit+0xcc/frame 0xfffffe0056a61f30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0056a61f30 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 11 tid 100003 ] Stopped at kdb_enter+0x6e: movq $0,0x258b3c7(%rip) db> ps pid ppid pgrp uid state wmesg wchan cmd 1294 1 763 0 S uwait 0xfffffe0077b8c600 syz-executor 1292 1 766 0 S uwait 0xfffffe005851c580 syz-executor 1285 1 766 0 S uwait 0xfffffe0077b8ba80 syz-executor 1284 1 765 0 S uwait 0xfffffe0077b8be00 syz-executor 1280 1 766 0 SV uwait 0xfffffe0058157480 syz-executor 1273 1 765 0 S uwait 0xfffffe006e664780 syz-executor 1272 1 765 0 S uwait 0xfffffe006e665180 syz-executor 1269 1 766 0 S uwait 0xfffffe0077b8b480 syz-executor 1267 1 766 0 S uwait 0xfffffe0077b89680 syz-executor 1263 1 765 60928 S uwait 0xfffffe006e666100 syz-executor 1259 1 765 0 S uwait 0xfffffe006e664380 syz-executor 1247 1 765 0 S uwait 0xfffffe0077b8b980 syz-executor 1246 1 766 0 S uwait 0xfffffe0077b8bc00 syz-executor 1243 0 0 0 DL mdwait 0xfffffe0077c24000 [md58027] 1242 1 765 0 S uwait 0xfffffe0058157580 syz-executor 1229 0 0 0 DL - 0xffffffff83b59520 [accounting] 1222 1 763 0 S uwait 0xfffffe006e665200 syz-executor 1216 0 0 0 DL (threaded) [KTLS] 100622 D - 0xfffffe006e620e00 [thr_0] --More-- 100677 D - 0xfffffe006e620e80 [thr_1] 100678 D - 0xffffffff83cd0628 [reclaim_0] 1200 1 766 0 S uwait 0xfffffe0077b8cc80 syz-executor 1193 1 763 0 S uwait 0xfffffe0077b8c700 syz-executor 1182 0 0 0 DL mdwait 0xfffffe0077c25000 [md0] 1169 1 763 0 S uwait 0xfffffe0077b8b880 syz-executor 1155 1 763 0 S uwait 0xfffffe0077b8c780 syz-executor 1137 1 765 0 S uwait 0xfffffe0077b8bd00 syz-executor 1136 1 765 0 S uwait 0xfffffe006e664c00 syz-executor 1134 1 765 0 S uwait 0xfffffe005851ca80 syz-executor 1133 1 763 0 S uwait 0xfffffe006e664d00 syz-executor 1127 1 1127 0 SV uwait 0xfffffe0007779780 syz-executor 1111 1 766 0 S uwait 0xfffffe0058157380 syz-executor 1101 1 764 0 S uwait 0xfffffe006e664680 syz-executor 1091 1 764 0 S uwait 0xfffffe0077b8d380 syz-executor 1075 1 763 0 S uwait 0xfffffe0058154080 syz-executor 1057 0 0 0 DL - 0xffffffff83ccee00 [soaiod4] 1056 0 0 0 DL - 0xffffffff83ccee00 [soaiod3] 1055 0 0 0 DL - 0xffffffff83ccee00 [soaiod2] 1054 0 0 0 DL - 0xffffffff83ccee00 [soaiod1] --More-- 1050 1 764 0 S uwait 0xfffffe005851cd80 syz-executor 1036 1 764 0 S uwait 0xfffffe0058519380 syz-executor 1023 1 766 0 S uwait 0xfffffe0058157280 syz-executor 1021 1 763 0 S uwait 0xfffffe005851cc80 syz-executor 1010 1 764 0 S uwait 0xfffffe0077b8ce80 syz-executor 1004 1 766 0 S uwait 0xfffffe0058157b00 syz-executor 997 983 997 0 Ss select 0xfffffe00596b6ac0 dhclient 991 1 991 0 Ss select 0xfffffe00596b4bc0 dhclient 988 1 766 0 S uwait 0xfffffe0077b8d000 syz-executor 987 1 765 0 S uwait 0xfffffe006e664a80 syz-executor 983 973 423 65 S select 0xfffffe00596b6440 dhclient 973 423 423 0 S wait 0xfffffe00540df568 sh 967 1 764 0 S uwait 0xfffffe005851b200 syz-executor 959 1 764 0 S uwait 0xfffffe0058519680 syz-executor 958 1 766 0 S uwait 0xfffffe006e716380 syz-executor 945 1 764 0 S uwait 0xfffffe0007779580 syz-executor 938 1 766 0 S uwait 0xfffffe005851c880 syz-executor 921 1 766 0 S uwait 0xfffffe006e665b00 syz-executor 920 1 765 0 S uwait 0xfffffe006e665a00 syz-executor 907 1 904 0 SV uwait 0xfffffe006e716480 syz-executor --More-- 906 0 0 0 DL (threaded) [so_splice] --More-- 100175 D - 0xfffffe005864f200 [thr_0] 100234 D - 0xfffffe005864f240 [thr_1] 900 1 763 -1 S uwait 0xfffffe006e666080 syz-executor 892 1 763 0 S uwait 0xfffffe005851b100 syz-executor 889 1 764 0 S uwait 0xfffffe006e665900 syz-executor 888 1 764 0 S uwait 0xfffffe0058519880 syz-executor 885 1 763 0 S uwait 0xfffffe006e665800 syz-executor 878 1 763 0 S uwait 0xfffffe0058519280 syz-executor 805 0 0 0 DL aiordy 0xfffffe0054112010 [aiod4] 804 0 0 0 DL aiordy 0xfffffe0054112568 [aiod3] 803 0 0 0 DL aiordy 0xfffffe0054112ac0 [aiod2] 802 0 0 0 DL aiordy 0xfffffe00540f4018 [aiod1] 747 1 747 0 Ss+ ttyin 0xfffffe00582af8b0 login 746 1 746 0 Ss+ ttyin 0xfffffe00594d28b0 getty 745 1 745 0 Ss+ ttyin 0xfffffe00594d30b0 getty 744 1 744 0 Ss+ ttyin 0xfffffe00594d38b0 getty 743 1 743 0 Ss+ ttyin 0xfffffe0053f790b0 getty 742 1 742 0 Ss+ ttyin 0xfffffe0053f798b0 getty 741 1 741 0 Ss+ ttyin 0xfffffe0053f7a0b0 getty 740 1 740 0 Ss+ ttyin 0xfffffe0053f7a8b0 getty --More-- 739 1 739 0 Ss+ ttyin 0xfffffe0053f7b0b0 getty --More-- 685 1 685 0 Ss nanslp 0xffffffff83baec40 cron 681 1 681 0 Ss select 0xfffffe00596b6c40 sshd 494 1 494 0 Ss select 0xfffffe005970a340 syslogd 423 1 423 0 Ss wait 0xfffffe0054003ab8 devd 422 1 422 65 Ss select 0xfffffe005970a540 dhclient 337 1 337 0 Ss select 0xfffffe005970ad40 dhclient 334 1 334 0 Ss select 0xfffffe005970a6c0 dhclient 16 0 0 0 DL syncer 0xffffffff83cdc820 [syncer] 15 0 0 0 DL vlruwt 0xfffffe000780a018 [vnlru] 14 0 0 0 DL (threaded) [bufdaemon] 100079 D psleep 0xffffffff83cdad60 [bufdaemon] 100082 D - 0xffffffff83001ec0 [bufspacedaemon-0] 100095 D sdflush 0xfffffe00586440e8 [/ worker] 9 0 0 0 DL psleep 0xffffffff83d1bc40 [vmdaemon] 8 0 0 0 DL (threaded) [pagedaemon] 100077 D psleep 0xffffffff83d01d08 [dom0] 100080 D launds 0xffffffff83d01d14 [laundry: dom0] 100081 D umarcl 0xffffffff81e2aff0 [uma] 7 0 0 0 DL - 0xffffffff839275f8 [rand_harvestq] 6 0 0 0 RL [pf purge] --More-- 5 0 0 0 DL waiting 0xffffffff84892700 [sctp_iterator] --More-- 4 0 0 0 DL (threaded) [cam] 100045 D - 0xffffffff838f1340 [doneq0] 100046 D - 0xffffffff838f12c0 [async] 100075 D - 0xffffffff838f1140 [scanner] 3 0 0 0 DL (threaded) [crypto] 100042 D crypto_ 0xffffffff83cfd5e0 [crypto] 100043 D crypto_ 0xfffffe0007a95330 [crypto returns 0] 100044 D crypto_ 0xfffffe0007a95380 [crypto returns 1] 13 0 0 0 DL (threaded) [geom] 100037 D - 0xffffffff83b57640 [g_event] 100038 D - 0xffffffff83b57660 [g_up] 100039 D - 0xffffffff83b57680 [g_down] 2 0 0 0 WL (threaded) [clock] 100031 I [clock (0)] 100032 I [clock (1)] 12 0 0 0 WL (threaded) [intr] 100013 I [swi6: task queue] 100014 I [swi6: Giant taskq] 100016 I [swi5: fast taskq] 100033 I [swi1: netisr 0] --More-- 100034 I [swi1: hpts] 100035 I [swi1: hpts] 100047 I [irq24: virtio_pci0] 100048 I [irq25: virtio_pci0] 100049 I [irq26: virtio_pci0] 100050 I [irq27: virtio_pci0] 100051 I [irq28: virtio_pci1] 100052 I [irq29: virtio_pci1] 100053 I [irq30: virtio_pci1] 100054 I [irq31: virtio_pci1] 100055 I [irq32: virtio_pci1] 100060 I [irq10: virtio_pci2] 100062 I [irq1: atkbd0] 100063 I [irq12: psm0] 100064 I [swi0: uart uart++] 100068 I [swi1: pf send] 11 0 0 0 RL (threaded) [idle] 100003 Run CPU 0 [idle: cpu0] 100004 Run CPU 1 [idle: cpu1] 1 0 1 0 TLs [init] --More-- 10 0 0 0 DL audit_w 0xffffffff83cfe080 [audit] --More--