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SubjectPossible regression in drm/i915 driver: memleak
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
--
System engineer
Faculty of Graphic Arts | Academy of Fine Arts
University of Zagreb, Republic of Croatiaunreferenced object 0xffff888106801200 (size 16):
comm "kworker/u12:6", pid 353, jiffies 4294902874 (age 15169.560s)
hex dump (first 16 bytes):
6d 65 6d 73 74 69 63 6b 30 00 00 00 00 00 00 00 memstick0.......
backtrace:
[<ffffffff9e9b5542>] slab_post_alloc_hook+0xb2/0x340
[<ffffffff9e9bbf5f>] __kmem_cache_alloc_node+0x1bf/0x2c0
[<ffffffff9e8f8175>] __kmalloc_node_track_caller+0x55/0x160
[<ffffffff9e8e34a6>] kstrdup+0x36/0x60
[<ffffffff9e8e3508>] kstrdup_const+0x28/0x30
[<ffffffff9eed0757>] kvasprintf_const+0x97/0xd0
[<ffffffff9fa9cdf4>] kobject_set_name_vargs+0x34/0xc0
[<ffffffff9f30289b>] dev_set_name+0x9b/0xd0
[<ffffffffc11a1201>] memstick_check+0x181/0x639 [memstick]
[<ffffffff9e56e1d6>] process_one_work+0x4e6/0x7e0
[<ffffffff9e56e556>] worker_thread+0x76/0x770
[<ffffffff9e57b468>] kthread+0x168/0x1a0
[<ffffffff9e404c99>] ret_from_fork+0x29/0x50
unreferenced object 0xffff888106801480 (size 16):
comm "kworker/u12:6", pid 353, jiffies 4294902879 (age 15169.540s)
hex dump (first 16 bytes):
6d 65 6d 73 74 69 63 6b 30 00 00 00 00 00 00 00 memstick0.......
backtrace:
[<ffffffff9e9b5542>] slab_post_alloc_hook+0xb2/0x340
[<ffffffff9e9bbf5f>] __kmem_cache_alloc_node+0x1bf/0x2c0
[<ffffffff9e8f8175>] __kmalloc_node_track_caller+0x55/0x160
[<ffffffff9e8e34a6>] kstrdup+0x36/0x60
[<ffffffff9e8e3508>] kstrdup_const+0x28/0x30
[<ffffffff9eed0757>] kvasprintf_const+0x97/0xd0
[<ffffffff9fa9cdf4>] kobject_set_name_vargs+0x34/0xc0
[<ffffffff9f30289b>] dev_set_name+0x9b/0xd0
[<ffffffffc11a1201>] memstick_check+0x181/0x639 [memstick]
[<ffffffff9e56e1d6>] process_one_work+0x4e6/0x7e0
[<ffffffff9e56e556>] worker_thread+0x76/0x770
[<ffffffff9e57b468>] kthread+0x168/0x1a0
[<ffffffff9e404c99>] ret_from_fork+0x29/0x50
unreferenced object 0xffff888125a4b080 (size 64):
comm "chrome", pid 13058, jiffies 4296358343 (age 9347.816s)
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
unreferenced object 0xffff888110e67b80 (size 64):
comm "chrome", pid 13058, jiffies 4296360724 (age 9338.296s)
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
unreferenced object 0xffff88812c4aa880 (size 64):
comm "chrome", pid 13058, jiffies 4296363186 (age 9328.504s)
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
unreferenced object 0xffff8882cf8e6980 (size 64):
comm "chrome", pid 13058, jiffies 4296364091 (age 9324.888s)
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
unreferenced object 0xffff888348679780 (size 64):
comm "chrome", pid 13058, jiffies 4296364716 (age 9322.388s)
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
unreferenced object 0xffff8881296f0980 (size 64):
comm "chrome", pid 13058, jiffies 4296364730 (age 9322.336s)
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
unreferenced object 0xffff888184070e00 (size 64):
comm "chrome", pid 13058, jiffies 4296369494 (age 9303.340s)
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
unreferenced object 0xffff888118adde80 (size 64):
comm "chrome", pid 13058, jiffies 4296369636 (age 9302.772s)
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
unreferenced object 0xffff888112a4f100 (size 64):
comm "chrome", pid 13058, jiffies 4296369649 (age 9302.720s)
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
unreferenced object 0xffff88826d5af280 (size 64):
comm "chrome", pid 13058, jiffies 4296403460 (age 9167.480s)
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
unreferenced object 0xffff88819c897580 (size 64):
comm "chrome", pid 13058, jiffies 4296405918 (age 9157.708s)
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
unreferenced object 0xffff888158992e00 (size 64):
comm "chrome", pid 13058, jiffies 4296413631 (age 9126.860s)
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
unreferenced object 0xffff8881aa860c00 (size 64):
comm "chrome", pid 13058, jiffies 4296489224 (age 8824.488s)
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
unreferenced object 0xffff88815e52c380 (size 64):
comm "chrome", pid 13058, jiffies 4296496255 (age 8796.368s)
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
unreferenced object 0xffff88801024fb80 (size 64):
comm "chrome", pid 13058, jiffies 4296497014 (age 8793.392s)
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
unreferenced object 0xffff8881309b4a80 (size 64):
comm "chrome", pid 13058, jiffies 4296506150 (age 8756.848s)
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
unreferenced object 0xffff888003918600 (size 64):
comm "chrome", pid 13058, jiffies 4296508245 (age 8748.472s)
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
unreferenced object 0xffff88833a40f680 (size 64):
comm "chrome", pid 13058, jiffies 4296535101 (age 8641.048s)
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
unreferenced object 0xffff888339826f00 (size 64):
comm "chrome", pid 13058, jiffies 4297560865 (age 4538.084s)
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
unreferenced object 0xffff888339826080 (size 64):
comm "chrome", pid 13058, jiffies 4297560865 (age 4538.084s)
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
unreferenced object 0xffff888129064400 (size 64):
comm "chrome", pid 13058, jiffies 4297582297 (age 4452.360s)
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
unreferenced object 0xffff8881120e0a00 (size 64):
comm "chrome", pid 13058, jiffies 4297818388 (age 3508.020s)
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
unreferenced object 0xffff88828d467080 (size 64):
comm "chrome", pid 13058, jiffies 4297864465 (age 3323.796s)
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
unreferenced object 0xffff8880024bcd80 (size 64):
comm "chrome", pid 13058, jiffies 4297869778 (age 3302.544s)
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
unreferenced object 0xffff88825f3dd500 (size 64):
comm "chrome", pid 13058, jiffies 4297887950 (age 3229.860s)
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
unreferenced object 0xffff888134770980 (size 64):
comm "chrome", pid 13058, jiffies 4297899648 (age 3183.068s)
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
unreferenced object 0xffff88807d624d00 (size 64):
comm "chrome", pid 13058, jiffies 4297989777 (age 2822.632s)
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
unreferenced object 0xffff888103ce3b00 (size 64):
comm "chrome", pid 13058, jiffies 4298005178 (age 2761.032s)
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
unreferenced object 0xffff888129650e00 (size 64):
comm "chrome", pid 13058, jiffies 4298008798 (age 2746.552s)
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
unreferenced object 0xffff88828124a780 (size 64):
comm "chrome", pid 13058, jiffies 4298022534 (age 2691.608s)
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
[unhandled content-type:application/x-xz][unhandled content-type:application/x-xz]
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