Timerfd_ctx

Author: flln

August undefined, 2024

Webstruct timerfd_ctx *ctx = container_of(htmr, struct timerfd_ctx, 77: t.tmr); 78: timerfd_triggered; 79: return HRTIMER_NORESTART; 80} 81: 82: static enum … WebMay 12, 2024 · [CUCTF 2024] Hotrod: Exploiting timerfd_ctx Objects In The Linux Kernel. Hotrod is a kernel exploitation challenge created by my friend FizzBuzz101 for CUCTF …

timerfd: Use ktime_mono_to_real() (53cc7bad) · Commits · Phil …

WebAnother solution would be to add a new flag to timerfd_settime() to indicate that the timer value is irrelevant, but I considered it an unnecessary waste of a flag-bit. Tested on a … http://www.bricktou.com/fs/timerfdtimerfd_setup_en.html tiny 73

[PATCH 35/36] timerfd: convert to ->poll_mask

Web70 struct timerfd_ctx *ctx = file->private_data; 71. 72 hrtimer_cancel(&ctx->tmr); 73 kfree(ctx); 74 return 0; 75} 76. 77 static unsigned int timerfd_poll(struct file *file, poll_table *wait) 78 ... http://www.bricktou.com/fs/timerfdtimerfd_setup_cancel_en.html Weblinux/fs/timerfd.c. * Thanks to Thomas Gleixner for code reviews and useful comments. * This gets called when the timer event triggers. We set the "expired". * tintv != 0) until the … tiny 75q

timerfd: Use ktime_mono_to_real() (53cc7bad) · Commits · Phil …

[patch 3/4] timerfd: Implement timerfd_ioctl method to restore …

WebTo take control of RIP, we can create a uaf by the race condition upon edit, where you then free the chunk, allocate a useful kernel structure, and then have edit finish copying its data … Web>> fdinfo to sys_timerfd_settime, but this will be incorrect, because AFAIU >> the it_value you report here is always relative to the current time, no >> matter whether … tiny7 download isoWebTime%Bomb%:% Universal%Root%Is%Coming! Tong%Lin,Jun%Yao C0RE%Team tiny70monitor mount

"WebChanged associated to use deduced return types for all two-argument get functions. Fixed spawn implementation to catch unhandled exceptions and rethrow them outside of the spawned "thread". Fixed cleanup of of terminal-state spawn "thread" objects. Changed semantics of 'dispatch' to mean the executor is used as-is. " - Timerfd_ctx

Timerfd_ctx

[RESEND] timerfd: Allow TFD_TIMER_CANCEL_ON_SET with relative tim…

WebOct 9, 2015 · However, timerfd uses time_t for configuration, and the maximum value on a 32bit time_t system is actually a valid time (near 2038-01-19 03:14) in the 64bit ktime_t … Web[prev in list] [next in list] [prev in thread] [next in thread] List: linux-api Subject: [PATCH] timerfd: add TFD_NOTIFY_CLOCK_SET to watch for clock changes From: Alexander …

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WebLinux debugging, tracing, profiling & perf. analysis. Check our new training course. with Creative Commons CC-BY-SA. lecture and lab materials WebExample 1: Read-mostly list: Deferred Destruction. A widely used usecase for RCU lists in the kernel is lockless iteration over all processes in the system. task_struct::tasks represents the list node that links all the processes. The list can be traversed in parallel to any list additions or removals. The traversal of the list is done using ...

WebWe set the "expired". * flag, but we do not re-arm the timer (in case it's necessary, * tintv.tv64 != 0) until the timer is accessed. */. static enum hrtimer_restart timerfd_tmrproc (struct … Web#include #include struct timerfd_ctx {struct hrtimer tmr; ktime_t tintv; wait_queue_head_t wqh; u64 ticks; int expired; int clockid;}; /* * This gets …

WebOct 16, 2024 · Considering struct timerfd_ctx can also be used for obtaining PC-control [1][2], I decided to use it to occupy the invalid slot. I used other objects for heap fengshui. … http://visa.lab.asu.edu/gitlab/fstrace/android-kernel-msm-hammerhead-3.4-marshmallow-mr3/blob/76369470b7e5f97fc1a8af83c45b9ff739b08cb6/fs/timerfd.c

WebExample 1: Read-mostly list: Deferred Destruction ¶. A widely used usecase for RCU lists in the kernel is lockless iteration over all processes in the system. task_struct::tasks …

WebFeb 13, 2014 · @CL. I am multi-threading several threads that are created through pthread. I want one thread behaves like a periodic thread. Thus, I use timerfd to create a timer … past 20 super bowlsWebApr 19, 1998 · We set the "expired" * flag, but we do not re-arm the timer (in case it's necessary, * tintv != 0) until the timer is accessed. */ static void timerfd_triggered (struct … past 20 super bowl matchupsWebSep 4, 2024 · There are certainly plenty of objects to choose from, timerfd_ctx is one such object. A timerfd is basically a timer backed by a file descriptor. When a timerfd is armed … past 20 years average inflationWeb70 struct timerfd_ctx *ctx = file->private_data; 71. 72 hrtimer_cancel(&ctx->tmr); 73 kfree(ctx); 74 return 0; 75} 76. 77 static unsigned int timerfd_poll(struct file *file, poll_table … past 10 world cup winnersWebThe timerfd_gettime() API returns the next expiration time of the timer, or {0, 0} if the timerfd has not been set yet. Like the previous timerfd API implementation, read(2) and poll(2) are supported (with the same interface). Here's a simple test program I used to exercise the new timerfd APIs: ... tiny 70qWebLinux kernel for Nexus 5 (hammerhead) Toggle navigation Toggle navigation pinning past 10 years or last 10 yearsWebThis patch implements conditional cancellation for timerfd timers. Similarly to clock_nanosleep, users who want to be woken up when. system time changes have to use … past 10 world series winners