// https://syzkaller.appspot.com/bug?id=03ee8f5c7a5d055b02c44d629076816966a81b8a // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // openat$auto_tracing_buffers_fops_trace arguments: [ // fd: const = 0xffffffffffffff9c (8 bytes) // file: ptr[in, buffer] { // buffer: {2f 73 79 73 2f 6b 65 72 6e 65 6c 2f 74 72 61 63 69 6e 67 2f // 70 65 72 5f 63 70 75 2f 63 70 75 30 2f 74 72 61 63 65 5f 70 69 70 65 // 5f 72 61 77 00} (length 0x30) // } // flags: open_flags = 0x1000 (4 bytes) // mode: const = 0x0 (2 bytes) // ] // returns fd_tracing_buffers_fops_trace memcpy((void*)0x200000000080, "/sys/kernel/tracing/per_cpu/cpu0/trace_pipe_raw\000", 48); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000000080ul, /*flags=*/0x1000, /*mode=*/0); if (res != -1) r[0] = res; // mmap$auto_tracing_buffers_fops_trace arguments: [ // addr: VMA[0x4000] // len: len = 0x4000 (8 bytes) // prot: mmap_prot = 0x1 (8 bytes) // flags: mmap_flags = 0x8e051 (8 bytes) // fd: fd_tracing_buffers_fops_trace (resource) // offset: intptr = 0x0 (8 bytes) // ] syscall( __NR_mmap, /*addr=*/0x200000ffc000ul, /*len=*/0x4000ul, /*prot=PROT_READ*/ 1ul, /*flags=MAP_SYNC|MAP_POPULATE|MAP_NORESERVE|MAP_LOCKED|MAP_FIXED|0x41*/ 0x8e051ul, /*fd=*/r[0], /*offset=*/0ul); // openat$auto_vmwgfx_driver_fops_vmwgfx_drv arguments: [ // fd: const = 0xffffffffffffff9c (8 bytes) // file: ptr[in, buffer] { // buffer: {2f 64 65 76 2f 64 72 69 2f 63 61 72 64 31 00} (length 0xf) // } // flags: open_flags = 0x40000 (4 bytes) // mode: const = 0x0 (2 bytes) // ] // returns fd_vmwgfx_driver_fops_vmwgfx_drv memcpy((void*)0x200000000000, "/dev/dri/card1\000", 15); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000000000ul, /*flags=O_NOATIME*/ 0x40000, /*mode=*/0); if (res != -1) r[1] = res; // mmap$auto_vmwgfx_driver_fops_vmwgfx_drv arguments: [ // addr: VMA[0x3000] // len: len = 0x3000 (8 bytes) // prot: mmap_prot = 0x0 (8 bytes) // flags: mmap_flags = 0x11 (8 bytes) // fd: fd_vmwgfx_driver_fops_vmwgfx_drv (resource) // offset: intptr = 0x100000000 (8 bytes) // ] syscall(__NR_mmap, /*addr=*/0x200000ffa000ul, /*len=*/0x3000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_SHARED*/ 0x11ul, /*fd=*/r[1], /*offset=*/0x100000000ul); return 0; }