Hay
Date
June 23, 2025, 7:07 a.m.

Environment
qemu-arm64

[   32.978970] ==================================================================
[   32.979255] BUG: KFENCE: memory corruption in kmalloc_oob_memset_4+0x170/0x300
[   32.979255] 
[   32.979559] Corrupted memory at 0x0000000025034bd4 [ ! . . . . . . . . . . . . . . . ] (in kfence-#81):
[   32.983127]  kmalloc_oob_memset_4+0x170/0x300
[   32.983359]  kunit_try_run_case+0x170/0x3f0
[   32.983564]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   32.983797]  kthread+0x328/0x630
[   32.983908]  ret_from_fork+0x10/0x20
[   32.984130] 
[   32.984598] kfence-#81: 0x000000004d816a72-0x00000000243d6fd4, size=120, cache=kmalloc-128
[   32.984598] 
[   32.985070] allocated by task 186 on cpu 1 at 32.973465s (0.011386s ago):
[   32.985618]  kmalloc_oob_memset_4+0xb0/0x300
[   32.985775]  kunit_try_run_case+0x170/0x3f0
[   32.986076]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   32.986206]  kthread+0x328/0x630
[   32.986285]  ret_from_fork+0x10/0x20
[   32.986448] 
[   32.986770] freed by task 186 on cpu 1 at 32.977198s (0.009333s ago):
[   32.986986]  kmalloc_oob_memset_4+0x170/0x300
[   32.987155]  kunit_try_run_case+0x170/0x3f0
[   32.987264]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   32.987381]  kthread+0x328/0x630
[   32.987621]  ret_from_fork+0x10/0x20
[   32.987815] 
[   32.988212] CPU: 1 UID: 0 PID: 186 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc3-next-20250623 #1 PREEMPT 
[   32.989169] Tainted: [B]=BAD_PAGE, [N]=TEST
[   32.989266] Hardware name: linux,dummy-virt (DT)
[   32.989739] ==================================================================