Helpful, but I figured I'd keep the message light with just the kasan I can attach whatever's needed and try out whatever you think might be Installations came with by default on the two systems. Parameters myself: they are whatever the two respective GRUB So it must be specific to the kernel configuration + kernel System I boot it on), while the former only complains on the bad The latter does *not* spit out the trace in dmesg (regardless of which The system that doesn't crash on the same machine. Incidentally, I've compiled two kernels with kasan on: one using theīad system's config (with make oldconfig), and one using the one on I'll follow up on the crashes when they happen, but I thought this Disabling lock debugging due to kernel taint ffff88080b390100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff

ffff88080b390080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff >ffff88080b390000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff page dumped because: kasan: bad access detected ? perf_event_create_kernel_counter+0x15a/0x190 Hardware name: Notebook N24_25BU/N24_25BU, BIOS 5.12 CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.15.0-rc5-x-void #1 Write of size 4096 at addr ffff88080b390000 by task swapper/0/1 BUG: KASAN: use-after-free in kernel_poison_pages+0xa6/0x140 Kasan distress signals on bootup (dmesg attached):

I don't yet have aĬrash, but on the system that has been crashing I have the following

Messages sorted by: Ĭompiled a couple of kernels with kasan enabled.

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Linux-Kernel Archive: Re: PROBLEM: i915 causes complete desktop freezes in 4.15-rc5 Re: PROBLEM: i915 causes complete desktop freezes in 4.15-rc5 From: Alexandru Chirvasitu

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