// https://syzkaller.appspot.com/bug?id=230369ae4ebfc5ff69b611abf18668602f7cfb12 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_close #define __NR_close 6 #endif #ifndef __NR_getpid #define __NR_getpid 20 #endif #ifndef __NR_io_setup #define __NR_io_setup 245 #endif #ifndef __NR_io_submit #define __NR_io_submit 248 #endif #ifndef __NR_mmap #define __NR_mmap 192 #endif #ifndef __NR_pidfd_open #define __NR_pidfd_open 434 #endif #ifndef __NR_socketpair #define __NR_socketpair 360 #endif #undef __NR_mmap #define __NR_mmap __NR_mmap2 uint64_t r[3] = {0xffffffffffffffff, 0x0, 0x0}; int main(void) { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); intptr_t res = 0; res = syscall(__NR_socketpair, 1, 1, 0, 0x20000080); if (res != -1) r[0] = *(uint32_t*)0x20000080; syscall(__NR_close, (intptr_t)r[0]); res = syscall(__NR_getpid); if (res != -1) r[1] = res; syscall(__NR_pidfd_open, (intptr_t)r[1], 0); res = syscall(__NR_io_setup, 0x7ff, 0x200006c0); if (res != -1) r[2] = *(uint32_t*)0x200006c0; *(uint32_t*)0x20000040 = 0x200000c0; *(uint64_t*)0x200000c0 = 0; *(uint32_t*)0x200000c8 = 0; *(uint32_t*)0x200000cc = 0; *(uint16_t*)0x200000d0 = 5; *(uint16_t*)0x200000d2 = 0; *(uint32_t*)0x200000d4 = r[0]; *(uint64_t*)0x200000d8 = 0; *(uint64_t*)0x200000e0 = 0; *(uint64_t*)0x200000e8 = 0; *(uint64_t*)0x200000f0 = 0; *(uint32_t*)0x200000f8 = 0; *(uint32_t*)0x200000fc = -1; syscall(__NR_io_submit, (intptr_t)r[2], 0x22, 0x20000040); return 0; }