diff options
Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/mmap2.patch')
-rw-r--r-- | meta/recipes-devtools/qemu/qemu/mmap2.patch | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/mmap2.patch b/meta/recipes-devtools/qemu/qemu/mmap2.patch new file mode 100644 index 0000000000..9d40565938 --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu/mmap2.patch @@ -0,0 +1,26 @@ +When using qemu-i386 to build qemux86 webkitgtk on musl, it sits in an +infinite loop of mremap calls of ever decreasing/increasing addresses. + +I suspect something in the musl memory allocation code loops indefinitely +if it only sees ENOMEM and only exits when it hits EFAULT. + +According to the docs, trying to mremap outside the address space +can/should return EFAULT and changing this allows the build to succeed. +Whether this should be fixed in qemu and/or musl, not sure. + +Upstream-Status: Pending +Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org + +Index: qemu-5.2.0/linux-user/mmap.c +=================================================================== +--- qemu-5.2.0.orig/linux-user/mmap.c ++++ qemu-5.2.0/linux-user/mmap.c +@@ -727,7 +727,7 @@ abi_long target_mremap(abi_ulong old_add + !guest_range_valid(new_addr, new_size)) || + ((flags & MREMAP_MAYMOVE) == 0 && + !guest_range_valid(old_addr, new_size))) { +- errno = ENOMEM; ++ errno = EFAULT; + return -1; + } + |