Attachment 225431 Details for Bug 256296 – Bug reproducer

Bug reproducer

libusbbug.c (text/plain), 1.10 KB, created by Sergii on 2021-05-31 21:10:30 UTC

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Creator: Sergii

Created: 2021-05-31 21:10:30 UTC

Size: 1.10 KB

patch

obsolete

>#include <stdio.h>
>#include <libusb.h>
>#include <pthread.h>
>#include <unistd.h>
>
>// (gdb) b libusb10_io.c:162
>// (gdb) b libusb_close()
>// (gdb) c
>// (gdb) c
>// at this point should see that device is being marked as gone
>
>static void *
>thread_start(void *arg)
>{
>        struct timeval tv = {
>                .tv_usec = 0,
>                .tv_sec = 2,
>        };
>        libusb_context *ctx = arg;
>
>        while (1)
>                libusb_handle_events_timeout_completed (ctx, &tv, NULL);
>
>        return NULL;
>}
>
>void
>libusb_transfer_cb(struct libusb_transfer *transfer)
>{
>}
>
>int main () {
>        ssize_t dev_num;
>
>        libusb_context *ctx;
>        libusb_device **list;
>        libusb_device *dev;
>        libusb_device_handle *devh;
>
>        pthread_t thread_id;
>
>        libusb_init (&ctx);
>
>        pthread_create(&thread_id, NULL, &thread_start, ctx);
>        sleep(1);
>
>        dev_num = libusb_get_device_list (ctx, &list);
>
>        dev = list[3];
>
>        int code = libusb_open (dev, &devh);
>        if (code != 0)
>                return 1;
>        libusb_close (devh);
>
>        sleep(5);
>
>        return 0;
>}

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Attachments on bug 256296: 225431 | 225579 | 225640