[   26.901810] ==================================================================
[   26.903135] BUG: KFENCE: memory corruption in kasan_bitops_generic+0x129/0x1c0
[   26.903135] 
[   26.903959] Corrupted memory at 0x(____ptrval____) [ ! . . . . . . . . . . . . . . . ] (in kfence-#78):
[   26.905262]  kasan_bitops_generic+0x129/0x1c0
[   26.905709]  kunit_try_run_case+0x1a5/0x480
[   26.906114]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   26.906571]  kthread+0x337/0x6f0
[   26.906699]  ret_from_fork+0x116/0x1d0
[   26.906828]  ret_from_fork_asm+0x1a/0x30
[   26.906974] 
[   26.907190] kfence-#78: 0x(____ptrval____)-0x(____ptrval____), size=9, cache=kmalloc-16
[   26.907190] 
[   26.908167] allocated by task 309 on cpu 1 at 26.874061s (0.034034s ago):
[   26.908891]  kasan_bitops_generic+0x92/0x1c0
[   26.909329]  kunit_try_run_case+0x1a5/0x480
[   26.909726]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   26.910207]  kthread+0x337/0x6f0
[   26.910529]  ret_from_fork+0x116/0x1d0
[   26.910888]  ret_from_fork_asm+0x1a/0x30
[   26.911259] 
[   26.911436] freed by task 309 on cpu 1 at 26.901353s (0.010013s ago):
[   26.911663]  kasan_bitops_generic+0x129/0x1c0
[   26.911807]  kunit_try_run_case+0x1a5/0x480
[   26.911944]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   26.912116]  kthread+0x337/0x6f0
[   26.912232]  ret_from_fork+0x116/0x1d0
[   26.912620]  ret_from_fork_asm+0x1a/0x30
[   26.913007] 
[   26.913211] CPU: 1 UID: 0 PID: 309 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250718 #1 PREEMPT(voluntary) 
[   26.914255] Tainted: [B]=BAD_PAGE, [N]=TEST
[   26.914638] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   26.915431] ==================================================================