linux-user mode does not support memfd_create syscall

Bug #1734792 reported by Timothy Pearson
16
This bug affects 2 people
Affects Status Importance Assigned to Milestone
QEMU
Fix Released
Undecided
Unassigned

Bug Description

qemu-x86_66 GIT HEAD fails on a userspace application that requires memfd_create with:

"qemu: Unsupported syscall: 319".

memfd_create support needs to be implemented in QEMU.

Tags: linux-user
Revision history for this message
Gonzalo (gnzlbg) wrote :

Not only qemu-x86_64, but also:

qemu-aarch64 => qemu: Unsupported syscall: 279
qemu-arm => qemu: Unsupported syscall: 385
qemu-mips => qemu: Unsupported syscall: 4354
qemu-mips64 => qemu: Unsupported syscall: 5314
qemu-powerpc => qemu: Unsupported syscall: 360
qemu-powerpc64 => qemu: Unsupported syscall: 360

Peter Maydell (pmaydell)
summary: - qemu-x86_64 fails with unsupported syscall 319
+ linux-user mode does not support memfd_create syscall
Changed in qemu:
status: New → Confirmed
tags: added: linux-user
Revision history for this message
Laurent Vivier (laurent-vivier) wrote :

9bdfa4d23f43 linux-user: add memfd_create

Changed in qemu:
status: Confirmed → Fix Committed
Thomas Huth (th-huth)
Changed in qemu:
status: Fix Committed → Fix Released
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