Hay
Date
May 26, 2025, 9:10 a.m.

Environment
qemu-arm64

[   17.595904] ==================================================================
[   17.596962] BUG: KFENCE: memory corruption in kmalloc_oob_memset_8+0x170/0x2f8
[   17.596962] 
[   17.597146] Corrupted memory at 0x000000007b463737 [ ! . . . . . . . ] (in kfence-#66):
[   17.602679]  kmalloc_oob_memset_8+0x170/0x2f8
[   17.602829]  kunit_try_run_case+0x170/0x3f0
[   17.602949]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.603069]  kthread+0x328/0x630
[   17.603165]  ret_from_fork+0x10/0x20
[   17.603264] 
[   17.603330] kfence-#66: 0x00000000e20515be-0x00000000aec0dc85, size=120, cache=kmalloc-128
[   17.603330] 
[   17.603442] allocated by task 176 on cpu 0 at 17.588262s (0.015172s ago):
[   17.603564]  kmalloc_oob_memset_8+0xb0/0x2f8
[   17.603645]  kunit_try_run_case+0x170/0x3f0
[   17.604118]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.604311]  kthread+0x328/0x630
[   17.604476]  ret_from_fork+0x10/0x20
[   17.604574] 
[   17.605118] freed by task 176 on cpu 0 at 17.595267s (0.009408s ago):
[   17.605404]  kmalloc_oob_memset_8+0x170/0x2f8
[   17.605528]  kunit_try_run_case+0x170/0x3f0
[   17.605619]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.605704]  kthread+0x328/0x630
[   17.605802]  ret_from_fork+0x10/0x20
[   17.605945] 
[   17.606067] CPU: 0 UID: 0 PID: 176 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc7-next-20250526 #1 PREEMPT 
[   17.606315] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.606372] Hardware name: linux,dummy-virt (DT)
[   17.606434] ==================================================================