Date
July 5, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 51.873024] ================================================================== [ 51.873119] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 51.873119] [ 51.873231] Use-after-free read at 0x0000000026d4fdb3 (in kfence-#150): [ 51.873285] test_krealloc+0x51c/0x830 [ 51.873329] kunit_try_run_case+0x170/0x3f0 [ 51.873375] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 51.873419] kthread+0x328/0x630 [ 51.873457] ret_from_fork+0x10/0x20 [ 51.873496] [ 51.873521] kfence-#150: 0x0000000026d4fdb3-0x000000000f86fc8d, size=32, cache=kmalloc-32 [ 51.873521] [ 51.873574] allocated by task 337 on cpu 0 at 51.872332s (0.001238s ago): [ 51.873641] test_alloc+0x29c/0x628 [ 51.873681] test_krealloc+0xc0/0x830 [ 51.873719] kunit_try_run_case+0x170/0x3f0 [ 51.873759] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 51.873803] kthread+0x328/0x630 [ 51.873839] ret_from_fork+0x10/0x20 [ 51.873878] [ 51.873900] freed by task 337 on cpu 0 at 51.872614s (0.001282s ago): [ 51.873960] krealloc_noprof+0x148/0x360 [ 51.874000] test_krealloc+0x1dc/0x830 [ 51.874039] kunit_try_run_case+0x170/0x3f0 [ 51.874078] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 51.874121] kthread+0x328/0x630 [ 51.874166] ret_from_fork+0x10/0x20 [ 51.874205] [ 51.874253] CPU: 0 UID: 0 PID: 337 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 51.874331] Tainted: [B]=BAD_PAGE, [N]=TEST [ 51.874360] Hardware name: linux,dummy-virt (DT) [ 51.874398] ==================================================================
[ 51.384340] ================================================================== [ 51.384805] BUG: KFENCE: use-after-free read in test_krealloc+0x6fc/0xbe0 [ 51.384805] [ 51.385307] Use-after-free read at 0x(____ptrval____) (in kfence-#153): [ 51.385897] test_krealloc+0x6fc/0xbe0 [ 51.386202] kunit_try_run_case+0x1a5/0x480 [ 51.386466] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 51.386837] kthread+0x337/0x6f0 [ 51.387183] ret_from_fork+0x116/0x1d0 [ 51.387668] ret_from_fork_asm+0x1a/0x30 [ 51.388140] [ 51.388262] kfence-#153: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 51.388262] [ 51.388729] allocated by task 355 on cpu 1 at 51.383524s (0.005203s ago): [ 51.389054] test_alloc+0x364/0x10f0 [ 51.389310] test_krealloc+0xad/0xbe0 [ 51.389510] kunit_try_run_case+0x1a5/0x480 [ 51.389748] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 51.390075] kthread+0x337/0x6f0 [ 51.390264] ret_from_fork+0x116/0x1d0 [ 51.390707] ret_from_fork_asm+0x1a/0x30 [ 51.390949] [ 51.391061] freed by task 355 on cpu 1 at 51.383850s (0.007208s ago): [ 51.391744] krealloc_noprof+0x108/0x340 [ 51.391964] test_krealloc+0x226/0xbe0 [ 51.392201] kunit_try_run_case+0x1a5/0x480 [ 51.392466] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 51.392743] kthread+0x337/0x6f0 [ 51.392955] ret_from_fork+0x116/0x1d0 [ 51.393146] ret_from_fork_asm+0x1a/0x30 [ 51.393419] [ 51.393567] CPU: 1 UID: 0 PID: 355 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 51.394075] Tainted: [B]=BAD_PAGE, [N]=TEST [ 51.394280] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 51.394680] ==================================================================