+Added DRM mailing list and maintainers On Tue, 2022-12-20 at 15:33 +0100, Mirsad Todorovac wrote: > Hi all, > > I have been unsuccessful to find any particular Intel i915 maintainer > emails, so my best bet is to post here, as you will must assuredly > already know them. > > The problem is a kernel memory leak that is repeatedly occurring > triggered during the execution of Chrome browser under the latest > 6.1.0+ > kernel of this morning and Almalinux 8.6 on a Lenovo desktop box > with Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz CPU. > > The build is with KMEMLEAK, KASAN and MGLRU turned on during the > build, > on a vanilla mainline kernel from Mr. Torvalds' tree. > > The leaks look like this one: > > unreferenced object 0xffff888131754880 (size 64): > comm "chrome", pid 13058, jiffies 4298568878 (age 3708.084s) > hex dump (first 32 bytes): > 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > ................ > 00 00 00 00 00 00 00 00 00 80 1e 3e 83 88 ff ff > ...........>.... > backtrace: > [<ffffffff9e9b5542>] slab_post_alloc_hook+0xb2/0x340 > [<ffffffff9e9bbf5f>] __kmem_cache_alloc_node+0x1bf/0x2c0 > [<ffffffff9e8f767a>] kmalloc_trace+0x2a/0xb0 > [<ffffffffc08dfde5>] drm_vma_node_allow+0x45/0x150 [drm] > [<ffffffffc0b33315>] __assign_mmap_offset_handle+0x615/0x820 > [i915] > [<ffffffffc0b34057>] i915_gem_mmap_offset_ioctl+0x77/0x110 > [i915] > [<ffffffffc08bc5e1>] drm_ioctl_kernel+0x181/0x280 [drm] > [<ffffffffc08bc9cd>] drm_ioctl+0x2dd/0x6a0 [drm] > [<ffffffff9ea54744>] __x64_sys_ioctl+0xc4/0x100 > [<ffffffff9fbc0178>] do_syscall_64+0x58/0x80 > [<ffffffff9fc000aa>] entry_SYSCALL_64_after_hwframe+0x72/0xdc > > The complete list of leaks in attachment, but they seem similar or > the same. > > Please find attached lshw and kernel build config file. > > I will probably check the same parms on my laptop at home, which is > also > Lenovo, but a different hw config and Ubuntu 22.10. > > Thanks, > Mirsad > > -- > Mirsad Goran Todorovac > Sistem inženjer > Grafički fakultet | Akademija likovnih umjetnosti > Sveučilište u Zagrebu