1*8a272653SPeter Holm#!/bin/sh 2*8a272653SPeter Holm 3*8a272653SPeter Holm# panic: to_ticks == 0 for timer type 2 4*8a272653SPeter Holm# cpuid = 1 5*8a272653SPeter Holm# time = 1585113958 6*8a272653SPeter Holm# KDB: stack backtrace: 7*8a272653SPeter Holm# db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0024a54420 8*8a272653SPeter Holm# vpanic() at vpanic+0x1c7/frame 0xfffffe0024a54480 9*8a272653SPeter Holm# panic() at panic+0x43/frame 0xfffffe0024a544e0 10*8a272653SPeter Holm# sctp_timer_start() at sctp_timer_start+0xc7f/frame 0xfffffe0024a54540 11*8a272653SPeter Holm# sctp_send_initiate() at sctp_send_initiate+0x10b/frame 0xfffffe0024a545d0 12*8a272653SPeter Holm# sctp_lower_sosend() at sctp_lower_sosend+0x3f54/frame 0xfffffe0024a547b0 13*8a272653SPeter Holm# sctp_sosend() at sctp_sosend+0x501/frame 0xfffffe0024a548e0 14*8a272653SPeter Holm# sosend() at sosend+0xc6/frame 0xfffffe0024a54950 15*8a272653SPeter Holm# kern_sendit() at kern_sendit+0x33d/frame 0xfffffe0024a54a00 16*8a272653SPeter Holm# sendit() at sendit+0x224/frame 0xfffffe0024a54a60 17*8a272653SPeter Holm# sys_sendto() at sys_sendto+0x5c/frame 0xfffffe0024a54ac0 18*8a272653SPeter Holm# amd64_syscall() at amd64_syscall+0x2f4/frame 0xfffffe0024a54bf0 19*8a272653SPeter Holm# fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0024a54bf0 20*8a272653SPeter Holm 21*8a272653SPeter Holm# Fixed by r359405 22*8a272653SPeter Holm 23*8a272653SPeter Holm[ `uname -p` = "i386" ] && exit 0 24*8a272653SPeter Holm 25*8a272653SPeter Holm. ../default.cfg 26*8a272653SPeter Holmkldstat -v | grep -q sctp || kldload sctp.ko 27*8a272653SPeter Holmcat > /tmp/syzkaller6.c <<EOF 28*8a272653SPeter Holm// https://syzkaller.appspot.com/bug?id=86fc212419e315473f7db833b9c835be21f17029 29*8a272653SPeter Holm// autogenerated by syzkaller (https://github.com/google/syzkaller) 30*8a272653SPeter Holm 31*8a272653SPeter Holm#define _GNU_SOURCE 32*8a272653SPeter Holm 33*8a272653SPeter Holm#include <pwd.h> 34*8a272653SPeter Holm#include <stdarg.h> 35*8a272653SPeter Holm#include <stdbool.h> 36*8a272653SPeter Holm#include <stdint.h> 37*8a272653SPeter Holm#include <stdio.h> 38*8a272653SPeter Holm#include <stdlib.h> 39*8a272653SPeter Holm#include <string.h> 40*8a272653SPeter Holm#include <sys/endian.h> 41*8a272653SPeter Holm#include <sys/syscall.h> 42*8a272653SPeter Holm#include <unistd.h> 43*8a272653SPeter Holm 44*8a272653SPeter Holmuint64_t r[1] = {0xffffffffffffffff}; 45*8a272653SPeter Holm 46*8a272653SPeter Holmint main(void) 47*8a272653SPeter Holm{ 48*8a272653SPeter Holm syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x1012ul, -1, 0ul); 49*8a272653SPeter Holm intptr_t res = 0; 50*8a272653SPeter Holm res = syscall(SYS_socket, 0x1cul, 5ul, 0x84); 51*8a272653SPeter Holm if (res != -1) 52*8a272653SPeter Holm r[0] = res; 53*8a272653SPeter Holm *(uint32_t*)0x20000200 = 0; 54*8a272653SPeter Holm *(uint32_t*)0x20000204 = 0xfffffff9; 55*8a272653SPeter Holm *(uint32_t*)0x20000208 = 0xfffffffb; 56*8a272653SPeter Holm *(uint32_t*)0x2000020c = 0; 57*8a272653SPeter Holm syscall(SYS_setsockopt, r[0], 0x84, 1, 0x20000200ul, 0x39eul); 58*8a272653SPeter Holm memcpy((void*)0x20000040, "\x11", 1); 59*8a272653SPeter Holm *(uint8_t*)0x20000100 = 0x10; 60*8a272653SPeter Holm *(uint8_t*)0x20000101 = 2; 61*8a272653SPeter Holm *(uint16_t*)0x20000102 = htobe16(0x4e21); 62*8a272653SPeter Holm *(uint8_t*)0x20000104 = 0xac; 63*8a272653SPeter Holm *(uint8_t*)0x20000105 = 0x14; 64*8a272653SPeter Holm *(uint8_t*)0x20000106 = 0; 65*8a272653SPeter Holm *(uint8_t*)0x20000107 = 0xbb; 66*8a272653SPeter Holm *(uint8_t*)0x20000108 = 0; 67*8a272653SPeter Holm *(uint8_t*)0x20000109 = 0; 68*8a272653SPeter Holm *(uint8_t*)0x2000010a = 0; 69*8a272653SPeter Holm *(uint8_t*)0x2000010b = 0; 70*8a272653SPeter Holm *(uint8_t*)0x2000010c = 0; 71*8a272653SPeter Holm *(uint8_t*)0x2000010d = 0; 72*8a272653SPeter Holm *(uint8_t*)0x2000010e = 0; 73*8a272653SPeter Holm *(uint8_t*)0x2000010f = 0; 74*8a272653SPeter Holm syscall(SYS_sendto, r[0], 0x20000040ul, 1ul, 0ul, 0x20000100ul, 0x10ul); 75*8a272653SPeter Holm return 0; 76*8a272653SPeter Holm} 77*8a272653SPeter HolmEOF 78*8a272653SPeter Holmmycc -o /tmp/syzkaller6 -Wall -Wextra -O2 /tmp/syzkaller6.c -lpthread || 79*8a272653SPeter Holm exit 1 80*8a272653SPeter Holm 81*8a272653SPeter Holm(cd /tmp; ./syzkaller6) 82*8a272653SPeter Holm 83*8a272653SPeter Holmrm /tmp/syzkaller6 /tmp/syzkaller6.c 84*8a272653SPeter Holmexit 0 85