The breakage is on: 1. page_set_flags calls assert_memory_lock(); 2. that is defined as tcg_debug_assert(have_mmap_lock()) 3. That is just 25 static __thread int mmap_lock_count; ... 41 bool have_mmap_lock(void) 42 { 43 return mmap_lock_count > 0 ? true : false; 44 } 4. if that returns false then this will with the config qemu has for qemu-user-static turn into 242 do { if (!(X)) { __builtin_unreachable(); } } while (0)
That is our segfault. So we are actually looking at a lack of an expected mmap lock. We didn't mess with the locking or MM of qmeu-user-static. The non-wrong linking should - if anything - in that regard only help. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1912605 Title: /usr/bin/qemu- aarch64-static:11:have_mmap_lock:page_set_flags:target_mmap:load_elf_image:load_elf_binary To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qemu/+bug/1912605/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs