Hay
Date
June 7, 2025, 10:40 a.m.

Environment
qemu-arm64

[   22.589133] ==================================================================
[   22.589424] BUG: KFENCE: memory corruption in kmalloc_oob_memset_4+0x170/0x300
[   22.589424] 
[   22.589785] Corrupted memory at 0x0000000099e520c3 [ ! . . . . . . . ] (in kfence-#91):
[   22.597496]  kmalloc_oob_memset_4+0x170/0x300
[   22.597936]  kunit_try_run_case+0x170/0x3f0
[   22.598068]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   22.598457]  kthread+0x328/0x630
[   22.598556]  ret_from_fork+0x10/0x20
[   22.598648] 
[   22.598975] kfence-#91: 0x00000000a201e9df-0x00000000f8781c12, size=120, cache=kmalloc-128
[   22.598975] 
[   22.599394] allocated by task 178 on cpu 1 at 22.581619s (0.017764s ago):
[   22.599568]  kmalloc_oob_memset_4+0xb0/0x300
[   22.599810]  kunit_try_run_case+0x170/0x3f0
[   22.600020]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   22.600278]  kthread+0x328/0x630
[   22.600822]  ret_from_fork+0x10/0x20
[   22.600987] 
[   22.601747] freed by task 178 on cpu 1 at 22.587933s (0.013152s ago):
[   22.602349]  kmalloc_oob_memset_4+0x170/0x300
[   22.602603]  kunit_try_run_case+0x170/0x3f0
[   22.602928]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   22.603044]  kthread+0x328/0x630
[   22.603126]  ret_from_fork+0x10/0x20
[   22.603530] 
[   22.603652] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G    B            N  6.15.2-rc1 #1 PREEMPT 
[   22.603862] Tainted: [B]=BAD_PAGE, [N]=TEST
[   22.603928] Hardware name: linux,dummy-virt (DT)
[   22.604004] ==================================================================