Date
May 29, 2025, 7:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 55.056140] ================================================================== [ 55.056266] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 55.056266] [ 55.056395] Use-after-free read at 0x000000006cecd953 (in kfence-#175): [ 55.056479] test_krealloc+0x51c/0x830 [ 55.056534] kunit_try_run_case+0x170/0x3f0 [ 55.056586] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 55.056637] kthread+0x328/0x630 [ 55.056681] ret_from_fork+0x10/0x20 [ 55.056729] [ 55.056758] kfence-#175: 0x000000006cecd953-0x0000000038064440, size=32, cache=kmalloc-32 [ 55.056758] [ 55.056822] allocated by task 337 on cpu 0 at 55.055311s (0.001506s ago): [ 55.056903] test_alloc+0x29c/0x628 [ 55.056953] test_krealloc+0xc0/0x830 [ 55.056998] kunit_try_run_case+0x170/0x3f0 [ 55.057044] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 55.057092] kthread+0x328/0x630 [ 55.057134] ret_from_fork+0x10/0x20 [ 55.057176] [ 55.057206] freed by task 337 on cpu 0 at 55.055626s (0.001575s ago): [ 55.057275] krealloc_noprof+0x148/0x360 [ 55.057326] test_krealloc+0x1dc/0x830 [ 55.057370] kunit_try_run_case+0x170/0x3f0 [ 55.057426] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 55.057480] kthread+0x328/0x630 [ 55.057522] ret_from_fork+0x10/0x20 [ 55.057569] [ 55.057630] CPU: 0 UID: 0 PID: 337 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT [ 55.057726] Tainted: [B]=BAD_PAGE, [N]=TEST [ 55.057761] Hardware name: linux,dummy-virt (DT) [ 55.057805] ==================================================================
[ 48.402618] ================================================================== [ 48.403485] BUG: KFENCE: use-after-free read in test_krealloc+0x6fc/0xbe0 [ 48.403485] [ 48.403927] Use-after-free read at 0x(____ptrval____) (in kfence-#140): [ 48.404225] test_krealloc+0x6fc/0xbe0 [ 48.404397] kunit_try_run_case+0x1a5/0x480 [ 48.404632] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.405461] kthread+0x337/0x6f0 [ 48.405666] ret_from_fork+0x116/0x1d0 [ 48.405847] ret_from_fork_asm+0x1a/0x30 [ 48.406149] [ 48.406244] kfence-#140: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 48.406244] [ 48.406667] allocated by task 354 on cpu 0 at 48.402025s (0.004639s ago): [ 48.407344] test_alloc+0x364/0x10f0 [ 48.407528] test_krealloc+0xad/0xbe0 [ 48.407852] kunit_try_run_case+0x1a5/0x480 [ 48.408067] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.408411] kthread+0x337/0x6f0 [ 48.408734] ret_from_fork+0x116/0x1d0 [ 48.409054] ret_from_fork_asm+0x1a/0x30 [ 48.409221] [ 48.409469] freed by task 354 on cpu 0 at 48.402239s (0.007227s ago): [ 48.409889] krealloc_noprof+0x108/0x340 [ 48.410184] test_krealloc+0x226/0xbe0 [ 48.410449] kunit_try_run_case+0x1a5/0x480 [ 48.410778] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.411117] kthread+0x337/0x6f0 [ 48.411390] ret_from_fork+0x116/0x1d0 [ 48.411548] ret_from_fork_asm+0x1a/0x30 [ 48.411986] [ 48.412137] CPU: 0 UID: 0 PID: 354 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT(voluntary) [ 48.412638] Tainted: [B]=BAD_PAGE, [N]=TEST [ 48.412853] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 48.413211] ==================================================================