v0.12.0 (Epimetheus)

We are proud to announce the latest version of Unikraft, v0.12.0 (Epimetheus)! This release comes with a bag of new exciting features and more stability to the existing ones. Here is the full updates list:

🚀 New Features#

• Expose HANDLED_CONT return value in include/event (#738) by Marc Rittinghaus
• Register mkdirat to syscall shim in lib/vfscore (#732) by Eduard Vintilă
• Fault-safe memory access in lib/uknofault (#725) by Marc Rittinghaus
• Boot code refactoring (#722) by Marc Rittinghaus
• Make TCB overlap configurable in arch/libcontext (#720) by Eduard Vintilă
• Add _SC_PHYS_PAGES and _SC_AVPHYS_PAGES to sysconf in lib/posix-sysinfo (#719) by osmten
• Add setattr function for 9pfs in lib/9pfs (#710) by Ștefan Jumărea
• Update rust version to latest nightly in lang/rust (#709) by Fabian Patraș
• Add comments to vfs.h file in lib/vfscore (#707) by Radu Nichita
• Add README.md file in lib/ramfs (#705) by Delia Pavel
• Add comments to ramfs.h file in lib/ramfs (#704) by Delia Pavel
• Update documentation of ukarch_random (#703) by Michalis Pappas
• Use ukarch_random_seed to seed MTE keys in arch/arm64 (#702) by Michalis Pappas
• Add IRQ events in plat/* (#699) by Marco Schlumpp
• Implement ukarch_random in arch/x86_64 (#695) by Michalis Pappas
• Handle error code returns from event handlers in include/event (#691) by Marco Schlumpp
• Use correct variable name for sect-strip.py tool in lib/ukdebug (#690) by Marco Schlumpp
• Use the ukarch_random API to generate PAuth keys and enable Pointer Authentication on KVM (#686) by Michalis Pappas
• 9p2000.L support in lib/{uk9p,9pfs} (#671) by Dinh Ngoc Tu
• Implement subclass matching in plat/common/pci (#624) by Marco Schlumpp
• Add additional flags for compatibility in lib/vfscore (#623) by Marco Schlumpp
• Expose rmdir/rename from nolibc in lib/nolibc (#622) by Marco Schlumpp
• Add lib/ukvmem and lib/posix-mmap (#603) by Marc Rittinghaus
• Add README.md file in lib/uktest (#555) by Ștefan Jumărea
• Upgrade musl to latest version (1.2.3) (#34) by Eduard Vintilă
• Upgrade libsqlite version (#4) by Eduard Mihăilescu
• Add configuration file for textlint in .github (#178) by Razvan Deaconescu
• Add make-based build workflow (#177) by Ștefan Jumărea
• Add CONTRIBUTING.md file referencing the website (#174) by Ștefan Jumărea
• Add instructions on contributing to documentation (#171) by Ștefan Jumărea
• Split coding style content (#162) by Ștefan Jumărea
• Port the informations on the Makefile.uk, exportsyms.uk and extra.ld files from the Unikraft old documentation (#126) by Ștefan Jumărea

🐛 Bug Fixes & Improvements#

• Fix typecast for PT_BUFP in uk_prsyscall for lib/syscall_shim (#750) by Simon Kuenzer
• Fix lstat() infinite loop in lib/vfscore (#711) by Maria Sfîrăială
• Fix gcc-ism for clang compilation in plat/pci_ecam.c (#701) by Maria Sfîrăială
• Comment out unused sysinfo buffer in lib/posix-info (#673) by Razvan Deaconescu
• Fix a memory leak in lib/ukallocbbuddy (#689) by Noureddine Taleb
• Fix race condition during context switch in lib/uksched (#694) by Eduard Vintilă
• Fix segments in ELF output images in build (#698) by Marco Schlumpp
• Align the stack to 16 bytes in arch/x86_64 (#684) by Marco Schlumpp
• Update ukrust to work alongside Cargo in lib/ukrust (#680) by Vlad Badoiu
• Use Linux-compatible stat structure in lib/nolibc (#675) by Razvan Deaconescu
• virtio-net fixes (#669) by Dinh Ngoc Tu
• Flip argument names of VOP_SYMLINK in lib/vfscore (#629) by Marco Schlumpp
• Prefer local include dirs in support/build (#625) by Marco Schlumpp
• Ensure time monotonicity for tscclock in plat/kvm (#617) by Marco Schlumpp
• 16-byte align syscall stack in plat/common/x86 (#748) by Marc Rittinghaus
• Align allocated stacks to arch requirement in lib/uksched (#747) by Simon Kuenzer
• Fix for .tdata warning (#746) by Marc Rittinghaus
• Cast initrd vbase to (void *) in lib/vfscore (#744) by Simon Kuenzer
• Fix initrd0 macro in include/uk/plat (#742) by Marc Rittinghaus
• Fix cmdline parsing in plat/kvm/x86 (#741) by Marc Rittinghaus
• Fix various warnings (#739) by Marc Rittinghaus
• Fix dependency for nanosleep() in app-helloworld (#13) by Michalis Pappas
• Adapt forced polling mode to uknetdev flag rename (#30) by Marco Schlumpp
• Adapt memory region usage in patch (#7) by Marc Rittinghaus
• Remove hash templates for pthread_t (#26) by Dinh Ngoc Tu
• Move _XOPEN_SOURCE define to library CFLAGS (#33) by Marco Schlumpp
• Remove outdated vendored features.h (#32) by Marco Schlumpp
• Fix typos in the en/docs/contributing (#179) by Radu Nichita
• Fix kraft via pip installation step (#176) by Martin Kröning
• Ignore md104 rule when inside shortcodes in github/linter (#173) by Ștefan Jumărea
• github/linter: Remove .png keyword in github/linter (#172) by Ștefan Jumărea

A big thank you also to all those who helped in the review process: Gabriel Mocanu, Alexander Jung, Cezar Crăciunoiu, Eduard Vintilă, Marc Rittinghaus, Maria Sfîrăială, Răzvan Deaconescu, Răzvan Vîrtan, Robert Kuban, Sergiu Moga, Simon Kuenzer, Ștefan Jumărea, Vlad Bădoiu, Radu Nichita, Fabian Patraș, Andra Paraschiv, Michalis Pappas, Florin Postolache, Delia Pavel and Marco Schlumpp.