diff options
Diffstat (limited to 'sys/linux/test')
| -rw-r--r-- | sys/linux/test/io_uring | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sys/linux/test/io_uring b/sys/linux/test/io_uring new file mode 100644 index 000000000..3e28259d1 --- /dev/null +++ b/sys/linux/test/io_uring @@ -0,0 +1,22 @@ +# Create an io_uring instance +r0 = io_uring_setup(0x1, &AUTO={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, [0x0, 0x0, 0x0], [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0], [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}) + +# mmap the ring and the sqes +r1 = mmap$IORING_OFF_SQ_RING(&(0x7f00000a0000)=nil, 0x184, 0x3, 0x8001, r0, AUTO) +r2 = mmap$IORING_OFF_SQES(&(0x7f00000b0000)=nil, 0x40, 0x3, 0x8001, r0, AUTO) + +# Set IORING_CQ_EVENTFD_DISABLED. Has no side-effect for the test, +# only tests syz_memcpy_off(). +syz_memcpy_off$IO_URING_METADATA_FLAGS(r1, 0x114, &AUTO=0x1, 0x0, AUTO) + +# Write an openat2 operation to the submission queue +syz_io_uring_submit(r1, r2, &AUTO=@IORING_OP_OPENAT2={AUTO, 0x0, AUTO, 0xffffffffffffff9c, &AUTO={0x42, 0x0, 0x0}, &AUTO='./file1\x00', AUTO, AUTO, 0x12345, {AUTO, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]} }, 0x0) + +# Notify the kernel about the submission and wait until completion +io_uring_enter(r0, 0x1, 0x1, 0x1, 0x0, 0x0) + +# Get the resulting fd from the completion queue +r3 = syz_io_uring_complete(r1) + +# Close the file +close(r3) |