mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
synced 2024-11-28 20:11:00 +01:00
85 lines
2.6 KiB
Bash
Executable File
85 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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# panic: to_ticks == 0 for timer type 2
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# cpuid = 1
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# time = 1585113958
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# KDB: stack backtrace:
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# db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0024a54420
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# vpanic() at vpanic+0x1c7/frame 0xfffffe0024a54480
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# panic() at panic+0x43/frame 0xfffffe0024a544e0
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# sctp_timer_start() at sctp_timer_start+0xc7f/frame 0xfffffe0024a54540
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# sctp_send_initiate() at sctp_send_initiate+0x10b/frame 0xfffffe0024a545d0
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# sctp_lower_sosend() at sctp_lower_sosend+0x3f54/frame 0xfffffe0024a547b0
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# sctp_sosend() at sctp_sosend+0x501/frame 0xfffffe0024a548e0
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# sosend() at sosend+0xc6/frame 0xfffffe0024a54950
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# kern_sendit() at kern_sendit+0x33d/frame 0xfffffe0024a54a00
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# sendit() at sendit+0x224/frame 0xfffffe0024a54a60
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# sys_sendto() at sys_sendto+0x5c/frame 0xfffffe0024a54ac0
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# amd64_syscall() at amd64_syscall+0x2f4/frame 0xfffffe0024a54bf0
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# fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe0024a54bf0
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# Fixed by r359405
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[ `uname -p` = "i386" ] && exit 0
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. ../default.cfg
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kldstat -v | grep -q sctp || kldload sctp.ko
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cat > /tmp/syzkaller6.c <<EOF
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// https://syzkaller.appspot.com/bug?id=86fc212419e315473f7db833b9c835be21f17029
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// autogenerated by syzkaller (https://github.com/google/syzkaller)
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#define _GNU_SOURCE
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#include <pwd.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/endian.h>
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#include <sys/syscall.h>
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#include <unistd.h>
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uint64_t r[1] = {0xffffffffffffffff};
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int main(void)
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{
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syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x1012ul, -1, 0ul);
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intptr_t res = 0;
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res = syscall(SYS_socket, 0x1cul, 5ul, 0x84);
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if (res != -1)
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r[0] = res;
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*(uint32_t*)0x20000200 = 0;
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*(uint32_t*)0x20000204 = 0xfffffff9;
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*(uint32_t*)0x20000208 = 0xfffffffb;
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*(uint32_t*)0x2000020c = 0;
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syscall(SYS_setsockopt, r[0], 0x84, 1, 0x20000200ul, 0x39eul);
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memcpy((void*)0x20000040, "\x11", 1);
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*(uint8_t*)0x20000100 = 0x10;
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*(uint8_t*)0x20000101 = 2;
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*(uint16_t*)0x20000102 = htobe16(0x4e21);
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*(uint8_t*)0x20000104 = 0xac;
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*(uint8_t*)0x20000105 = 0x14;
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*(uint8_t*)0x20000106 = 0;
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*(uint8_t*)0x20000107 = 0xbb;
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*(uint8_t*)0x20000108 = 0;
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*(uint8_t*)0x20000109 = 0;
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*(uint8_t*)0x2000010a = 0;
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*(uint8_t*)0x2000010b = 0;
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*(uint8_t*)0x2000010c = 0;
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*(uint8_t*)0x2000010d = 0;
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*(uint8_t*)0x2000010e = 0;
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*(uint8_t*)0x2000010f = 0;
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syscall(SYS_sendto, r[0], 0x20000040ul, 1ul, 0ul, 0x20000100ul, 0x10ul);
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return 0;
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}
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EOF
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mycc -o /tmp/syzkaller6 -Wall -Wextra -O2 /tmp/syzkaller6.c -lpthread ||
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exit 1
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(cd /tmp; ./syzkaller6)
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rm /tmp/syzkaller6 /tmp/syzkaller6.c
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exit 0
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