Radix cross Linux

Index: test/sqpoll-cancel-hang.c
===================================================================
--- test/sqpoll-cancel-hang.c	(nonexistent)
+++ test/sqpoll-cancel-hang.c	(revision 5)
@@ -0,0 +1,157 @@
+#include <fcntl.h>
+#include <signal.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mman.h>
+#include <sys/syscall.h>
+#include <sys/wait.h>
+#include <time.h>
+#include <unistd.h>
+#include "liburing.h"
+#include "../src/syscall.h"
+
+static uint64_t current_time_ms(void)
+{
+    struct timespec ts;
+    if (clock_gettime(CLOCK_MONOTONIC, &ts))
+        exit(1);
+    return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
+}
+
+#define SIZEOF_IO_URING_SQE 64
+#define SIZEOF_IO_URING_CQE 16
+#define SQ_TAIL_OFFSET 64
+#define SQ_RING_MASK_OFFSET 256
+#define SQ_RING_ENTRIES_OFFSET 264
+#define CQ_RING_ENTRIES_OFFSET 268
+#define CQ_CQES_OFFSET 320
+
+#define IORING_OFF_SQES 0x10000000ULL
+
+static void kill_and_wait(int pid, int* status)
+{
+    kill(-pid, SIGKILL);
+    kill(pid, SIGKILL);
+    while (waitpid(-1, status, __WALL) != pid) {
+    }
+}
+
+#define WAIT_FLAGS __WALL
+
+uint64_t r[3] = {0xffffffffffffffff, 0x0, 0x0};
+
+static long syz_io_uring_setup(volatile long a0, volatile long a1,
+volatile long a2, volatile long a3, volatile long a4, volatile long
+a5)
+{
+    uint32_t entries = (uint32_t)a0;
+    struct io_uring_params* setup_params = (struct io_uring_params*)a1;
+    void* vma1 = (void*)a2;
+    void* vma2 = (void*)a3;
+    void** ring_ptr_out = (void**)a4;
+    void** sqes_ptr_out = (void**)a5;
+    uint32_t fd_io_uring = __sys_io_uring_setup(entries, setup_params);
+    uint32_t sq_ring_sz = setup_params->sq_off.array +
+setup_params->sq_entries * sizeof(uint32_t);
+    uint32_t cq_ring_sz = setup_params->cq_off.cqes +
+setup_params->cq_entries * SIZEOF_IO_URING_CQE;
+    uint32_t ring_sz = sq_ring_sz > cq_ring_sz ? sq_ring_sz : cq_ring_sz;
+    *ring_ptr_out = mmap(vma1, ring_sz, PROT_READ | PROT_WRITE,
+MAP_SHARED | MAP_POPULATE | MAP_FIXED, fd_io_uring,
+IORING_OFF_SQ_RING);
+    uint32_t sqes_sz = setup_params->sq_entries * SIZEOF_IO_URING_SQE;
+    *sqes_ptr_out = mmap(vma2, sqes_sz, PROT_READ | PROT_WRITE,
+MAP_SHARED | MAP_POPULATE | MAP_FIXED, fd_io_uring, IORING_OFF_SQES);
+    return fd_io_uring;
+}
+
+static long syz_io_uring_submit(volatile long a0, volatile long a1,
+volatile long a2, volatile long a3)
+{
+    char* ring_ptr = (char*)a0;
+    char* sqes_ptr = (char*)a1;
+    char* sqe = (char*)a2;
+    uint32_t sqes_index = (uint32_t)a3;
+    uint32_t sq_ring_entries = *(uint32_t*)(ring_ptr + SQ_RING_ENTRIES_OFFSET);
+    uint32_t cq_ring_entries = *(uint32_t*)(ring_ptr + CQ_RING_ENTRIES_OFFSET);
+    uint32_t sq_array_off = (CQ_CQES_OFFSET + cq_ring_entries *
+SIZEOF_IO_URING_CQE + 63) & ~63;
+    if (sq_ring_entries)
+        sqes_index %= sq_ring_entries;
+    char* sqe_dest = sqes_ptr + sqes_index * SIZEOF_IO_URING_SQE;
+    memcpy(sqe_dest, sqe, SIZEOF_IO_URING_SQE);
+    uint32_t sq_ring_mask = *(uint32_t*)(ring_ptr + SQ_RING_MASK_OFFSET);
+    uint32_t* sq_tail_ptr = (uint32_t*)(ring_ptr + SQ_TAIL_OFFSET);
+    uint32_t sq_tail = *sq_tail_ptr & sq_ring_mask;
+    uint32_t sq_tail_next = *sq_tail_ptr + 1;
+    uint32_t* sq_array = (uint32_t*)(ring_ptr + sq_array_off);
+    *(sq_array + sq_tail) = sqes_index;
+    __atomic_store_n(sq_tail_ptr, sq_tail_next, __ATOMIC_RELEASE);
+    return 0;
+}
+
+
+void trigger_bug(void)
+{
+    intptr_t res = 0;
+    *(uint32_t*)0x20000204 = 0;
+    *(uint32_t*)0x20000208 = 2;
+    *(uint32_t*)0x2000020c = 0;
+    *(uint32_t*)0x20000210 = 0;
+    *(uint32_t*)0x20000218 = -1;
+    memset((void*)0x2000021c, 0, 12);
+    res = -1;
+    res = syz_io_uring_setup(0x7987, 0x20000200, 0x20400000, 0x20ffd000, 0x200000c0, 0x200001c0);
+    if (res != -1) {
+        r[0] = res;
+        r[1] = *(uint64_t*)0x200000c0;
+        r[2] = *(uint64_t*)0x200001c0;
+    }
+    *(uint8_t*)0x20000180 = 0xb;
+    *(uint8_t*)0x20000181 = 1;
+    *(uint16_t*)0x20000182 = 0;
+    *(uint32_t*)0x20000184 = 0;
+    *(uint64_t*)0x20000188 = 4;
+    *(uint64_t*)0x20000190 = 0x20000140;
+    *(uint64_t*)0x20000140 = 0x77359400;
+    *(uint64_t*)0x20000148 = 0;
+    *(uint32_t*)0x20000198 = 1;
+    *(uint32_t*)0x2000019c = 0;
+    *(uint64_t*)0x200001a0 = 0;
+    *(uint16_t*)0x200001a8 = 0;
+    *(uint16_t*)0x200001aa = 0;
+    memset((void*)0x200001ac, 0, 20);
+    syz_io_uring_submit(r[1], r[2], 0x20000180, 1);
+    *(uint32_t*)0x20000544 = 0;
+    *(uint32_t*)0x20000548 = 0x36;
+    *(uint32_t*)0x2000054c = 0;
+    *(uint32_t*)0x20000550 = 0;
+    *(uint32_t*)0x20000558 = r[0];
+    memset((void*)0x2000055c, 0, 12);
+
+}
+int main(void)
+{
+    mmap((void *)0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
+    int pid = fork();
+    if (pid < 0)
+        exit(1);
+    if (pid == 0) {
+        trigger_bug();
+        exit(0);
+    }
+    int status = 0;
+    uint64_t start = current_time_ms();
+    for (;;) {
+        if (current_time_ms() - start < 1000) {
+            continue;
+        }
+        kill_and_wait(pid, &status);
+        break;
+    }
+    return 0;
+}
+
+
+
Index: test
===================================================================
--- test	(nonexistent)
+++ test	(revision 5)

Property changes on: test
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: .
===================================================================
--- .	(nonexistent)
+++ .	(revision 5)

Property changes on: .
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~