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37bd738b78
The setres{u,g}id and the gete{u,g}id system calls on arm use 16 bit
values for uid_t and gid_t. This causes the kernel to interpret a
uid/gid of 65535 as -1, which means do nothing.
Use the 32-bit variants of these system calls instead so that we can use
32-bit values. Normally, libc would take care of hiding these kinds of
implementation details but since we can't use the libc wrappers for
these system calls, we have to do it ourselves.
BUG=b:136128319
TEST=`tast run vm.Virtiofs` on kevin
Change-Id: I6c0fda42c131e059139000828b3a53d4a73f340c
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1923569
Tested-by: Chirantan Ekbote <chirantan@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Commit-Queue: Chirantan Ekbote <chirantan@chromium.org>
Reviewed-by: Stephen Barber <smbarber@chromium.org>
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| .. | ||
| 9p_device.policy | ||
| balloon_device.policy | ||
| block_device.policy | ||
| common_device.policy | ||
| cras_audio_device.policy | ||
| fs_device.policy | ||
| gpu_device.policy | ||
| input_device.policy | ||
| net_device.policy | ||
| null_audio_device.policy | ||
| pmem_device.policy | ||
| rng_device.policy | ||
| serial.policy | ||
| tpm_device.policy | ||
| vhost_net_device.policy | ||
| vhost_vsock_device.policy | ||
| wl_device.policy | ||
| xhci.policy | ||