Linaro-mm-sig May 2026

linaro-mm-sig@lists.linaro.org

107 participants
351 discussions

Unleash Your Inner Blade: A Guide to the Satisfying World of Slice Master

by profound.cheetah.kect＠hidingmail.net

Ever found yourself in a moment of boredom, scrolling aimlessly, and wishing for something simple yet utterly satisfying to engage your mind? Look no further than the delightful genre of slicing games, and specifically, the incredibly addictive Slice Master. These games offer a unique blend of precision, timing, and visual gratification, making them a perfect pick-up-and-play experience for anyone looking to unwind. https://slicemasterfree.com What is Slice Master, and Why Should You Try It? At its core, Slice Master is a game about, well, slicing! Imagine a canvas filled with various shapes and objects, and your goal is to meticulously cut them into smaller, designated pieces using a virtual blade. It sounds deceptively simple, but the genius lies in its execution. The game's intuitive controls and satisfying physics make each slice feel impactful, and the challenge gradually increases, keeping you hooked. Think of it as a digital meditation, where the act of carefully dissecting objects becomes a strangely calming and rewarding experience. The visual feedback of cleanly cut shapes, often accompanied by satisfying sound effects, creates a positive loop that encourages you to keep playing. Getting Started: A Glimpse into the Gameplay Playing Slice Master is incredibly straightforward, making it accessible to gamers of all ages and skill levels. Here's a basic rundown of what you can expect: The Objective: Each level presents you with a set of objects. Your goal is to slice them into a specific number of smaller pieces, often along indicated lines or into particular shapes. The Blade: You control a virtual blade, usually by dragging your finger or mouse across the screen. The key is to make smooth, precise movements to achieve clean cuts. Precision is Key: Hitting the target lines perfectly often yields higher scores or unlocks bonus points. Messy cuts might mean restarting a section or losing points. Varying Challenges: As you progress, you'll encounter different materials that require more careful slicing, moving objects, or even time limits, adding layers of complexity to the core mechanic. Tips for Becoming a Slice Master While the game is easy to pick up, mastering it requires a bit of finesse. Here are a few friendly tips to enhance your slicing skills: Practice Makes Perfect: Don't be discouraged by imperfect cuts at first. The more you play, the better your hand-eye coordination and precision will become. Observe the Target: Before you make your first cut, take a moment to analyze the object and the desired outcome. Visualize your cut path. Smooth and Steady Wins the Race: Avoid jerky movements. A slow, deliberate drag of your blade is often more effective than a quick, frantic swipe. Utilize the Edges: Sometimes, using the edges of the object as a guide for your cuts can help you achieve straighter and more accurate slices. Don't Be Afraid to Restart: If a cut goes horribly wrong, many levels allow you to restart that particular segment. It's better to restart and achieve a perfect score than to muddle through with a subpar cut. Conclusion: A Simple Joy Slice Master and similar slicing games offer a delightful escape from the hustle and bustle of everyday life. Their uncomplicated yet engaging gameplay provides a sense of accomplishment and a unique form of digital satisfaction. Whether you have five minutes to spare or an hour to unwind, diving into the world of precise cuts and satisfying visuals is a worthwhile endeavor. So, grab your virtual blade and prepare to experience the quiet joy of becoming a true Slice Master!

1 month, 4 weeks

[PATCH v2] dma-buf: set SB_I_NOEXEC and SB_I_NODEV on the pseudo filesystem

by John Hubbard

The dma-buf pseudo filesystem dispenses S_ANON_INODE inodes via alloc_anon_inode() but never sets SB_I_NOEXEC on its superblock. Since commit 1e7ab6f67824 ("anon_inode: rework assertions") in 6.17, path_noexec() warns on exactly that combination, so an mmap() on any dma-buf fd trips the warning: WARNING: CPU: 11 PID: 121813 at fs/exec.c:118 path_noexec+0x47/0x50 do_mmap+0x2b5/0x680 vm_mmap_pgoff+0x129/0x210 ksys_mmap_pgoff+0x177/0x240 __x64_sys_mmap+0x33/0x70 dma-bufs have no business being executable, which is the invariant that the new assertion is enforcing. Set SB_I_NOEXEC. Also set SB_I_NODEV, since the pseudo filesystem creates no device nodes. Reproducer on a CONFIG_DEBUG_VFS=y kernel: make -C tools/testing/selftests/dmabuf-heaps sudo ./tools/testing/selftests/dmabuf-heaps/dmabuf-heap -t system The selftest allocates from /dev/dma_heap/system and mmaps the returned fd, which trips the warning without this patch. Fixes: 1e7ab6f67824 ("anon_inode: rework assertions") Cc: stable(a)vger.kernel.org Reviewed-by: Christian Brauner (Amutable) <brauner(a)kernel.org> Signed-off-by: John Hubbard <jhubbard(a)nvidia.com> --- Changes since v1: * Also set SB_I_NODEV (suggested by Christian Brauner). * Added Christian Brauner's Reviewed-by tag (thanks!) drivers/dma-buf/dma-buf.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index 71f37544a5c6..ea1ddd4293b2 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -216,6 +216,8 @@ static int dma_buf_fs_init_context(struct fs_context *fc) if (!ctx) return -ENOMEM; ctx->dops = &dma_buf_dentry_ops; + fc->s_iflags |= SB_I_NOEXEC; + fc->s_iflags |= SB_I_NODEV; return 0; } base-commit: 6779b50faa562e6cca1aa6a4649a4d764c6c7e28 -- 2.54.0

1 month, 4 weeks

[PATCH v2] dma-buf: Fix silent overflow for phys vec to sgt

by David Hu

In case MMIO size is bigger than 4G and peer2peer DMA goes through host bridge, we trigger a code path that assigns the total linked IOVA (which is greater than 4G) to mapped_len. Previously, `mapped_len` was declared as 32-bit `unsigned int`. When accumulating `size_t` lengths, this leads to a silent wrap-around. This truncation causes truncated lengths to be passed to functions like `fill_sg_entry()`. Fix this by changing `mapped_len` to `size_t` (64-bit). While at it, fix similar potential overflow issues in `calc_sg_nents` by using `size_t` for `nents` and checking against `UINT_MAX` and using `unsigned int` for the loop iterator in `fill_sg_entry` to match. to mapped_len, and leading to a silent overflow Fixes: 3aa31a8bb11e ("dma-buf: provide phys_vec to scatter-gather mapping routine") Cc: stable(a)vger.kernel.org Cc: iommu(a)lists.linux.dev Reviewed-by: Pranjal Shrivastava <praan(a)google.com> Signed-off-by: David Hu <xuehaohu(a)google.com> --- Changes in v2: Fixed 'IVOA' -> 'IOVA' typo and expanded commit message (Claude Bot). Added Reverse Xmas tree formatting (Pranjal). Folded in extra bounds checking for calc_sg_nents() (Pranjal). Folded in type consistency fix for fill_sg_entry() (Pranjal). Droped unnecessary `nents = 0` initialization (Claude Bot). drivers/dma-buf/dma-buf-mapping.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/dma-buf/dma-buf-mapping.c b/drivers/dma-buf/dma-buf-mapping.c index 794acff2546a..5bc769fc42ea 100644 --- a/drivers/dma-buf/dma-buf-mapping.c +++ b/drivers/dma-buf/dma-buf-mapping.c @@ -10,7 +10,7 @@ static struct scatterlist *fill_sg_entry(struct scatterlist *sgl, size_t length, dma_addr_t addr) { unsigned int len, nents; - int i; + unsigned int i; nents = DIV_ROUND_UP(length, UINT_MAX); for (i = 0; i < nents; i++) { @@ -36,7 +36,7 @@ static unsigned int calc_sg_nents(struct dma_iova_state *state, struct phys_vec *phys_vec, size_t nr_ranges, size_t size) { - unsigned int nents = 0; + size_t nents = 0; size_t i; if (!state || !dma_use_iova(state)) { @@ -51,6 +51,9 @@ static unsigned int calc_sg_nents(struct dma_iova_state *state, nents = DIV_ROUND_UP(size, UINT_MAX); } + if (nents > UINT_MAX) + return 0; + return nents; } @@ -95,9 +98,10 @@ struct sg_table *dma_buf_phys_vec_to_sgt(struct dma_buf_attachment *attach, size_t nr_ranges, size_t size, enum dma_data_direction dir) { - unsigned int nents, mapped_len = 0; struct dma_buf_dma *dma; struct scatterlist *sgl; + size_t mapped_len = 0; + unsigned int nents; dma_addr_t addr; size_t i; int ret; -- 2.54.0.794.g4f17f83d09-goog

1 month, 4 weeks

[PATCH] dma-buf: Fix silent overflow for phys vec to sgt

by David Hu

In case MMIO size is bigger than 4G, and peer2peer dma goes through host bridge, we trigger the code path to assign total linked IVOA, greater than 4G to mapped_len, and leading to a silent overflow Fixes: 3aa31a8bb11e ("dma-buf: provide phys_vec to scatter-gather mapping routine") Signed-off-by: David Hu <xuehaohu(a)google.com> --- drivers/dma-buf/dma-buf-mapping.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/dma-buf/dma-buf-mapping.c b/drivers/dma-buf/dma-buf-mapping.c index 794acff2546a..658064140357 100644 --- a/drivers/dma-buf/dma-buf-mapping.c +++ b/drivers/dma-buf/dma-buf-mapping.c @@ -95,7 +95,8 @@ struct sg_table *dma_buf_phys_vec_to_sgt(struct dma_buf_attachment *attach, size_t nr_ranges, size_t size, enum dma_data_direction dir) { - unsigned int nents, mapped_len = 0; + unsigned int nents = 0; + size_t mapped_len = 0; struct dma_buf_dma *dma; struct scatterlist *sgl; dma_addr_t addr; -- 2.54.0.563.g4f69b47b94-goog

1 month, 4 weeks

[PATCH v14 0/6] rust: drm: gem: shmem: Add sg_table() function

by Lyude Paul

(was previously Rust bindings for gem shmem) Most of this patch series has already been pushed upstream, this is just the second half of the patch series that has not been pushed yet + some additional changes which were required to implement changes requested by the mailing list. This patch series is originally from Asahi, previously posted by Daniel Almeida. The previous version of the patch series can be found here: https://patchwork.freedesktop.org/series/164580/ Branch with patches applied available here: https://gitlab.freedesktop.org/lyudess/linux/-/commits/rust/gem-shmem This patch series applies on top of drm-rust-next with the following dependencies applied: https://lkml.org/lkml/2026/5/26/1960 Lyude Paul (6): rust: faux: Allow retrieving a bound Device rust: gem: shmem: Fix Default implementation for ObjectConfig rust: drm: gem: s/device::Device/Device/ for shmem.rs drm/gem/shmem: Introduce __drm_gem_shmem_free_sgt_locked() rust: drm: gem/shmem: Add DmaResvGuard helper rust: drm: gem: Introduce shmem::Object::sg_table() drivers/gpu/drm/drm_gem_shmem_helper.c | 32 ++- include/drm/drm_gem_shmem_helper.h | 1 + rust/kernel/drm/gem/shmem.rs | 264 +++++++++++++++++++++++-- rust/kernel/faux.rs | 7 +- 4 files changed, 279 insertions(+), 25 deletions(-) base-commit: 2cf1840b0fa7637b6731fd554529f8d57ea34c04 prerequisite-patch-id: c8ade07eec6e9c9e875800b114137c459d362e4e prerequisite-patch-id: dc4f750bc885b867842587b994261f43602bc6a8 -- 2.54.0

1 month, 4 weeks

[PATCH] dma-buf: Move dma_resv_assert_held() after input validation

by lirongqing

From: Li RongQing <lirongqing(a)baidu.com> Move dma_resv_assert_held() after the validation of 'attach' and 'attach->dmabuf' to avoid a potential null pointer dereference if the function is ever called with invalid arguments. Signed-off-by: Li RongQing <lirongqing(a)baidu.com> --- drivers/dma-buf/dma-buf-mapping.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/dma-buf/dma-buf-mapping.c b/drivers/dma-buf/dma-buf-mapping.c index 794acff..e6ecd6c 100644 --- a/drivers/dma-buf/dma-buf-mapping.c +++ b/drivers/dma-buf/dma-buf-mapping.c @@ -102,12 +102,12 @@ struct sg_table *dma_buf_phys_vec_to_sgt(struct dma_buf_attachment *attach, size_t i; int ret; - dma_resv_assert_held(attach->dmabuf->resv); - if (WARN_ON(!attach || !attach->dmabuf || !provider)) /* This function is supposed to work on MMIO memory only */ return ERR_PTR(-EINVAL); + dma_resv_assert_held(attach->dmabuf->resv); + dma = kzalloc_obj(*dma); if (!dma) return ERR_PTR(-ENOMEM); -- 2.9.4

2 months

Basketball Stars: Rule the Court and Become the MVP

by joeytribuani0＠gmail.com

Basketball Stars is the perfect game for anyone who loves fast-paced street basketball action! From smooth dribble moves and ankle-breaking crossovers to clutch shots and powerful dunks, every match feels intense and competitive. The game’s easy controls make it simple to start playing, but mastering the timing, defense, and shooting mechanics takes real skill. Whether you’re playing quick one-on-one matches or climbing the ranked leaderboard, Basketball Stars keeps every game exciting. One of the best parts is the character customization. You can unlock new outfits, courts, basketballs, and upgrades to create your own unique style on the court. Playing against real opponents online also adds a fun challenge because every player has a different strategy. If you enjoy basketball games with arcade-style gameplay and nonstop action, Basketball Stars is definitely worth checking out. Step onto the court and show everyone who the real MVP is! WEB: https://basketballstars2026.io

2 months

Geometry Dash Lite – A Challenging Rhythm Game That Keeps Players Hooked

by christabbati＠gmail.com

Mobile games come and go, but some titles remain popular for years because of their addictive gameplay and unique style. One of those games is Geometry Dash Lite, the free version of the famous rhythm-based platformer developed by RobTop Games. Even with its simple controls and minimalist design, the game continues to attract millions of players worldwide. Easy to Play, Difficult to Master The gameplay of Geometry Dash Lite is very straightforward. Players control a geometric icon that automatically moves forward through obstacle-filled levels. The main objective is to jump at the correct time to avoid spikes, traps, and dangerous platforms. The controls only require a single tap or click, making the game easy for anyone to pick up. However, the real challenge comes from mastering timing and memorizing level patterns. One small mistake sends you back to the beginning, which can be frustrating but also highly motivating. Rhythm and Music Create the Experience What truly makes Geometry Dash Lite stand out is its connection between gameplay and music. Every level is synchronized with energetic electronic soundtracks that guide the player through obstacles and jumps. The rhythm helps create a fast-paced and immersive experience that feels both exciting and satisfying. As the music intensifies, so does the gameplay. Players must stay focused and react quickly to survive increasingly difficult sections. Colorful Graphics and Creative Design Although the game uses simple geometric visuals, the design is stylish and memorable. Bright neon colors, smooth animations, and creative level layouts give each stage its own personality. Different gameplay mechanics are introduced as players progress, keeping the experience fresh and challenging. Why Players Keep Coming Back One of the biggest strengths of Geometry Dash Lite is the sense of achievement it provides. Completing a difficult level after dozens of failed attempts feels incredibly rewarding. This balance between frustration and satisfaction is what makes the game so addictive. The game is also perfect for short gaming sessions, allowing players to quickly retry levels and improve their skills over time. Final Thoughts Geometry Dash Lite proves that a game does not need complicated mechanics or realistic graphics to become successful. Its combination of rhythm-based gameplay, challenging obstacles, and energetic music creates an experience that is simple, fun, and highly addictive. Whether you are a beginner looking for a fun mobile game or a competitive player seeking a difficult challenge, Geometry Dash Lite offers an exciting adventure that is hard to put down. SITE: https://geometrylite22.io

2 months

Navigating the Unpredictable: A Dive into Level Devil

by profound.cheetah.kect＠hidingmail.net

If you’re looking for a fun way to spend an evening, trying an interesting game is a great option—especially one that makes you think, explore, or improve your skills without feeling overwhelming. One example that many players enjoy is Level Devil. Even if you’ve never played before, you can approach it like a puzzle: learn the rules, watch what works, and gradually build confidence as levels start to feel more predictable. https://leveldevilfull.com In this article, I’ll walk you through how to experience a game like Level Devil in a friendly, practical way—focusing on what to do first, how to play, and what habits can make the experience smoother. Gameplay When you start Level Devil, your first goal is simply to understand how the game responds to you. Pay attention to the basics: movement controls, timing, and what happens when you try different approaches. Many players get stuck by rushing. Instead, try a short “experiment run” where your only objective is to learn mechanics—no pressure to win quickly. As you progress, the game tends to reward pattern recognition. Levels may ask you to manage obstacles, plan routes, or react under time constraints. A helpful mindset is to think in small steps: What’s the next safe action? What’s the easiest section to master first? If a section feels difficult, pause and observe. Look for consistent cues—visual hints, recurring enemy behavior, or environmental timing. Often, you don’t need a “perfect” run; you need a reliable one. For another way to explore the experience, some players prefer to review the broader game details here: Level Devil. Tips Start with calm attempts. If you’re on your first run, prioritize learning over scoring. Try not to restart too many times in anger—give yourself time to understand the rhythm of a level. Use “fail data.” Each time you die, ask a simple question: Did I misread timing, misjudge distance, or panic too early? That answer helps you choose a better strategy next attempt. Practice the hardest segment, not the whole level. If the game allows repetition, focus on the portion that blocks you. Clearing smaller checkpoints builds momentum. Keep your controls consistent. Sudden changes in how you press buttons or time actions can make you worse temporarily. Once you find a comfortable method, stick with it for a few attempts. Take breaks when you’re frustrated. A five-minute pause can reset your focus. When you return, you’ll often spot a solution you missed before. Conclusion Playing a game like Level Devil is less about having “elite” reflexes and more about learning the game’s patterns and improving step by step. Start by experimenting, approach challenges with curiosity, and use your failures as feedback. With a calm routine—short sessions, focused practice, and mindful breaks—you can enjoy the puzzle-like satisfaction that makes many levels rewarding.

2 months

Cybersecurity Experts Helping You Stay One Step Ahead Lee Ultimate Hacker

by ludolftom64＠gmail.com

Leeultimatehacker @ a o l . c o m) whatspp +1 ( 7 1 5 ) 3 1 4 - 9 2 4 8 Lee Ultimate Hacker is a professional cybersecurity platform specializing in advanced digital protection, ethical hacking services, cyber risk assessment, and online security solutions for businesses, entrepreneurs, and individuals seeking stronger protection against modern cyber threats. As cybercrime continues to rise globally, securing websites, networks, databases, and online accounts has become a critical priority. Lee Ultimate Hacker delivers reliable cybersecurity services designed to help clients strengthen their digital infrastructure, prevent unauthorized access, and protect valuable information from hackers, malware, phishing attacks, ransomware, and data breaches. With a strong reputation for professionalism and technical expertise, Lee Ultimate Hacker provides customized cybersecurity solutions tailored to the needs of each client. The platform focuses on ethical hacking practices, vulnerability testing, penetration testing, and cybersecurity consulting to identify weaknesses before cybercriminals can exploit them. By using modern security techniques and industry-standard methodologies, clients receive effective protection strategies that improve online safety and long-term digital resilience. Businesses today depend heavily on digital technology for communication, e-commerce, financial transactions, and customer engagement. Without proper cybersecurity protection, organizations face serious risks that can lead to financial losses, damaged reputations, and operational disruptions. Lee Ultimate Hacker helps businesses reduce these risks through proactive cybersecurity measures, security monitoring, and strategic defense planning. From website security optimization to network protection and cyber threat analysis, every solution is designed to maintain secure and stable digital operations. Lee Ultimate Hacker also supports individuals who want stronger personal cybersecurity and privacy protection. Cybercriminals often target personal accounts, online wallets, and private information through scams, phishing emails, and malicious software. Through cybersecurity consultation and digital protection guidance, clients can improve password security, strengthen account protection, and reduce exposure to online threats. The platform promotes cybersecurity awareness and encourages safer online practices to help users protect their digital identity and sensitive information. What sets Lee Ultimate Hacker apart is a commitment to confidentiality, ethical standards, and customer satisfaction. Every project is handled with professionalism, discretion, and attention to detail to ensure clients receive trustworthy cybersecurity support. The platform continuously stays updated with the latest cybersecurity trends, hacking techniques, and threat intelligence to provide modern and effective security solutions in a constantly evolving digital landscape. Search engines value websites that provide authoritative, relevant, and high-quality cybersecurity content. Lee Ultimate Hacker is focused on delivering informative and reliable cybersecurity services that align with modern digital protection standards. By combining technical expertise with practical security solutions, the platform continues to build credibility as a dependable source for ethical hacking, cyber defense, and online security consulting. Whether you are looking for website security services, vulnerability assessment, penetration testing, ethical hacking consultation, network security support, or advanced digital protection, Lee Ultimate Hacker provides professional cybersecurity solutions designed to protect your online presence and secure your digital assets. The goal is to help businesses and individuals operate with greater confidence, knowing their systems and information are protected by modern cybersecurity strategies.

2 months

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Linaro-mm-sig May 2026