Hay
Date
Nov. 26, 2024, 6:09 a.m.

Environment
qemu-x86_64

[   25.541142] ==================================================================
[   25.541142] BUG: KFENCE: memory corruption in kmalloc_oob_memset_8+0x188/0x330
[   25.541142] 
[   25.541142] Corrupted memory at 0x(____ptrval____) [ ! . . . . . . . . . . . . . . . ] (in kfence-#68):
[   25.541142]  kmalloc_oob_memset_8+0x188/0x330
[   25.541142]  kunit_try_run_case+0x1b3/0x490
[   25.541142]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.541142]  kthread+0x257/0x310
[   25.541142]  ret_from_fork+0x41/0x80
[   25.541142]  ret_from_fork_asm+0x1a/0x30
[   25.541142] 
[   25.541142] kfence-#68: 0x(____ptrval____)-0x(____ptrval____), size=120, cache=kmalloc-128
[   25.541142] 
[   25.541142] allocated by task 185 on cpu 0 at 25.536799s (0.004343s ago):
[   25.541142]  kmalloc_oob_memset_8+0xad/0x330
[   25.541142]  kunit_try_run_case+0x1b3/0x490
[   25.541142]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.541142]  kthread+0x257/0x310
[   25.541142]  ret_from_fork+0x41/0x80
[   25.541142]  ret_from_fork_asm+0x1a/0x30
[   25.541142] 
[   25.541142] freed by task 185 on cpu 0 at 25.540452s (0.000690s ago):
[   25.541142]  kmalloc_oob_memset_8+0x188/0x330
[   25.541142]  kunit_try_run_case+0x1b3/0x490
[   25.541142]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.541142]  kthread+0x257/0x310
[   25.541142]  ret_from_fork+0x41/0x80
[   25.541142]  ret_from_fork_asm+0x1a/0x30
[   25.541142] 
[   25.541142] CPU: 0 UID: 0 PID: 185 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241126 #1
[   25.541142] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.541142] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   25.541142] ==================================================================