Date
July 9, 2025, 11:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 50.940914] ================================================================== [ 50.940986] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 50.940986] [ 50.941078] Use-after-free read at 0x0000000050c404f4 (in kfence-#159): [ 50.941156] test_krealloc+0x51c/0x830 [ 50.941207] kunit_try_run_case+0x170/0x3f0 [ 50.941259] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 50.941304] kthread+0x328/0x630 [ 50.941343] ret_from_fork+0x10/0x20 [ 50.941386] [ 50.941410] kfence-#159: 0x0000000050c404f4-0x00000000e680bbe0, size=32, cache=kmalloc-32 [ 50.941410] [ 50.941465] allocated by task 337 on cpu 0 at 50.940284s (0.001177s ago): [ 50.941539] test_alloc+0x29c/0x628 [ 50.941580] test_krealloc+0xc0/0x830 [ 50.941620] kunit_try_run_case+0x170/0x3f0 [ 50.941661] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 50.941705] kthread+0x328/0x630 [ 50.941740] ret_from_fork+0x10/0x20 [ 50.941780] [ 50.941804] freed by task 337 on cpu 0 at 50.940513s (0.001287s ago): [ 50.941866] krealloc_noprof+0x148/0x360 [ 50.941906] test_krealloc+0x1dc/0x830 [ 50.941945] kunit_try_run_case+0x170/0x3f0 [ 50.941984] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 50.942029] kthread+0x328/0x630 [ 50.942063] ret_from_fork+0x10/0x20 [ 50.942102] [ 50.942174] CPU: 0 UID: 0 PID: 337 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 50.942254] Tainted: [B]=BAD_PAGE, [N]=TEST [ 50.942285] Hardware name: linux,dummy-virt (DT) [ 50.942321] ==================================================================
[ 49.004029] ================================================================== [ 49.004411] BUG: KFENCE: use-after-free read in test_krealloc+0x6fc/0xbe0 [ 49.004411] [ 49.004860] Use-after-free read at 0x(____ptrval____) (in kfence-#133): [ 49.005193] test_krealloc+0x6fc/0xbe0 [ 49.005420] kunit_try_run_case+0x1a5/0x480 [ 49.005580] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 49.005901] kthread+0x337/0x6f0 [ 49.006086] ret_from_fork+0x116/0x1d0 [ 49.006308] ret_from_fork_asm+0x1a/0x30 [ 49.006541] [ 49.006675] kfence-#133: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 49.006675] [ 49.007031] allocated by task 354 on cpu 1 at 49.003331s (0.003698s ago): [ 49.007483] test_alloc+0x364/0x10f0 [ 49.007613] test_krealloc+0xad/0xbe0 [ 49.007809] kunit_try_run_case+0x1a5/0x480 [ 49.008014] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 49.008248] kthread+0x337/0x6f0 [ 49.008372] ret_from_fork+0x116/0x1d0 [ 49.008563] ret_from_fork_asm+0x1a/0x30 [ 49.008826] [ 49.008923] freed by task 354 on cpu 1 at 49.003599s (0.005321s ago): [ 49.009234] krealloc_noprof+0x108/0x340 [ 49.009463] test_krealloc+0x226/0xbe0 [ 49.009636] kunit_try_run_case+0x1a5/0x480 [ 49.009868] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 49.010134] kthread+0x337/0x6f0 [ 49.010325] ret_from_fork+0x116/0x1d0 [ 49.010517] ret_from_fork_asm+0x1a/0x30 [ 49.010735] [ 49.010886] CPU: 1 UID: 0 PID: 354 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 49.011418] Tainted: [B]=BAD_PAGE, [N]=TEST [ 49.011616] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 49.012027] ==================================================================