Hay
Date
July 23, 2025, 3:10 a.m.

Environment
qemu-x86_64

[   24.523928] ==================================================================
[   24.525436] BUG: KFENCE: memory corruption in kmalloc_track_caller_oob_right+0x288/0x520
[   24.525436] 
[   24.525861] Corrupted memory at 0x(____ptrval____) [ ! . . . . . . . . . . . . . . . ] (in kfence-#56):
[   24.526988]  kmalloc_track_caller_oob_right+0x288/0x520
[   24.527267]  kunit_try_run_case+0x1a5/0x480
[   24.527672]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.527886]  kthread+0x337/0x6f0
[   24.528064]  ret_from_fork+0x116/0x1d0
[   24.528213]  ret_from_fork_asm+0x1a/0x30
[   24.528552] 
[   24.528911] kfence-#56: 0x(____ptrval____)-0x(____ptrval____), size=120, cache=kmalloc-128
[   24.528911] 
[   24.529493] allocated by task 191 on cpu 1 at 24.521988s (0.007439s ago):
[   24.529896]  kmalloc_track_caller_oob_right+0x19a/0x520
[   24.530295]  kunit_try_run_case+0x1a5/0x480
[   24.530486]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.530728]  kthread+0x337/0x6f0
[   24.530885]  ret_from_fork+0x116/0x1d0
[   24.531185]  ret_from_fork_asm+0x1a/0x30
[   24.531407] 
[   24.531761] freed by task 191 on cpu 1 at 24.523381s (0.008134s ago):
[   24.532094]  kmalloc_track_caller_oob_right+0x288/0x520
[   24.532467]  kunit_try_run_case+0x1a5/0x480
[   24.532621]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.532829]  kthread+0x337/0x6f0
[   24.532987]  ret_from_fork+0x116/0x1d0
[   24.533161]  ret_from_fork_asm+0x1a/0x30
[   24.533340] 
[   24.533577] CPU: 1 UID: 0 PID: 191 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7-next-20250723 #1 PREEMPT(voluntary) 
[   24.534160] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.534348] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   24.534678] ==================================================================