// https://syzkaller.appspot.com/bug?id=706c16afc2fea6b4735c8a009071f61037a2b811 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_quotactl_fd #define __NR_quotactl_fd 443 #endif uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); intptr_t res = 0; memcpy((void*)0x20000440, "./file1\000", 8); syscall(__NR_mkdir, /*path=*/0x20000440ul, /*mode=*/0ul); memcpy((void*)0x20000240, "./file1\000", 8); memcpy((void*)0x20000000, "tmpfs\000", 6); memcpy((void*)0x20000300, "usrquota", 8); syscall(__NR_mount, /*src=*/0ul, /*dst=*/0x20000240ul, /*type=*/0x20000000ul, /*flags=*/0ul, /*data=*/0x20000300ul); memcpy((void*)0x20000080, "./file1\000", 8); syscall(__NR_chdir, /*dir=*/0x20000080ul); memcpy((void*)0x20000040, "net_prio.prioidx\000", 17); res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000040ul, /*flags=*/0x275aul, /*mode=*/0ul); if (res != -1) r[0] = res; syscall(__NR_quotactl_fd, /*fd=*/r[0], /*cmd=Q_GETNEXTQUOTA_GRP*/ 0xffffffff80000901ul, /*id=*/0, /*addr=*/0ul); return 0; }