Date
July 19, 2025, 11:12 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 49.821981] ================================================================== [ 49.822083] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 49.822083] [ 49.822180] Use-after-free read at 0x00000000ca67a30f (in kfence-#152): [ 49.822235] test_krealloc+0x51c/0x830 [ 49.822282] kunit_try_run_case+0x170/0x3f0 [ 49.822328] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 49.822374] kthread+0x328/0x630 [ 49.822416] ret_from_fork+0x10/0x20 [ 49.822457] [ 49.822481] kfence-#152: 0x00000000ca67a30f-0x000000001d64a8f4, size=32, cache=kmalloc-32 [ 49.822481] [ 49.822537] allocated by task 337 on cpu 1 at 49.821278s (0.001254s ago): [ 49.822608] test_alloc+0x29c/0x628 [ 49.822647] test_krealloc+0xc0/0x830 [ 49.822702] kunit_try_run_case+0x170/0x3f0 [ 49.822743] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 49.822786] kthread+0x328/0x630 [ 49.822823] ret_from_fork+0x10/0x20 [ 49.822864] [ 49.822889] freed by task 337 on cpu 1 at 49.821544s (0.001341s ago): [ 49.822953] krealloc_noprof+0x148/0x360 [ 49.822992] test_krealloc+0x1dc/0x830 [ 49.823031] kunit_try_run_case+0x170/0x3f0 [ 49.823071] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 49.823114] kthread+0x328/0x630 [ 49.823150] ret_from_fork+0x10/0x20 [ 49.823189] [ 49.823237] CPU: 1 UID: 0 PID: 337 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 49.823317] Tainted: [B]=BAD_PAGE, [N]=TEST [ 49.823349] Hardware name: linux,dummy-virt (DT) [ 49.823384] ==================================================================
[ 50.557251] ================================================================== [ 50.557758] BUG: KFENCE: use-after-free read in test_krealloc+0x6fc/0xbe0 [ 50.557758] [ 50.558126] Use-after-free read at 0x(____ptrval____) (in kfence-#146): [ 50.558446] test_krealloc+0x6fc/0xbe0 [ 50.558599] kunit_try_run_case+0x1a5/0x480 [ 50.558790] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 50.559032] kthread+0x337/0x6f0 [ 50.559178] ret_from_fork+0x116/0x1d0 [ 50.559321] ret_from_fork_asm+0x1a/0x30 [ 50.559523] [ 50.559623] kfence-#146: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 50.559623] [ 50.560036] allocated by task 355 on cpu 0 at 50.556635s (0.003398s ago): [ 50.560361] test_alloc+0x364/0x10f0 [ 50.560518] test_krealloc+0xad/0xbe0 [ 50.560649] kunit_try_run_case+0x1a5/0x480 [ 50.561387] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 50.561675] kthread+0x337/0x6f0 [ 50.561855] ret_from_fork+0x116/0x1d0 [ 50.562034] ret_from_fork_asm+0x1a/0x30 [ 50.562245] [ 50.562344] freed by task 355 on cpu 0 at 50.556848s (0.005493s ago): [ 50.563000] krealloc_noprof+0x108/0x340 [ 50.563284] test_krealloc+0x226/0xbe0 [ 50.563523] kunit_try_run_case+0x1a5/0x480 [ 50.563716] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 50.563949] kthread+0x337/0x6f0 [ 50.564114] ret_from_fork+0x116/0x1d0 [ 50.564281] ret_from_fork_asm+0x1a/0x30 [ 50.564761] [ 50.564887] CPU: 0 UID: 0 PID: 355 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 50.565456] Tainted: [B]=BAD_PAGE, [N]=TEST [ 50.565724] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 50.566150] ==================================================================