** Changed in: qemu (Debian)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1726394
Title:
Passes through prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER, address)
Status in QEMU:
Fix Released
Status in qemu package in Ubuntu:
Fix Released
Status in qemu source package in Xenial:
Won't Fix
Status in qemu source package in Zesty:
Won't Fix
Status in qemu source package in Artful:
Won't Fix
Status in qemu package in Debian:
Fix Released
Bug description:
qemu-user passes through prctl(PR_SET_SECCOMP, SECCOMP_MODE_FILTER,
address) unmodified, but the third argument is an address to a BPF
filter, causing an EFAULT. Now, the filter is architecture-specifc, so
you can't just rewrite the addresses, so the safest bet is to just
return an error here.
I guess you should just return EINVAL, but not sure. I'd really like
something that can be identified, so seccomp errors can be ignored
when it's not supported.
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