Date
July 17, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 50.896901] ================================================================== [ 50.896964] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 50.896964] [ 50.897049] Use-after-free read at 0x00000000da9c1692 (in kfence-#162): [ 50.897101] test_krealloc+0x51c/0x830 [ 50.897148] kunit_try_run_case+0x170/0x3f0 [ 50.897193] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 50.897238] kthread+0x328/0x630 [ 50.897276] ret_from_fork+0x10/0x20 [ 50.897317] [ 50.897340] kfence-#162: 0x00000000da9c1692-0x000000007ba9f0bd, size=32, cache=kmalloc-32 [ 50.897340] [ 50.897393] allocated by task 337 on cpu 0 at 50.896198s (0.001192s ago): [ 50.897460] test_alloc+0x29c/0x628 [ 50.897500] test_krealloc+0xc0/0x830 [ 50.897540] kunit_try_run_case+0x170/0x3f0 [ 50.897579] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 50.897622] kthread+0x328/0x630 [ 50.897658] ret_from_fork+0x10/0x20 [ 50.897697] [ 50.897722] freed by task 337 on cpu 0 at 50.896487s (0.001231s ago): [ 50.897784] krealloc_noprof+0x148/0x360 [ 50.897824] test_krealloc+0x1dc/0x830 [ 50.897873] kunit_try_run_case+0x170/0x3f0 [ 50.897913] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 50.897957] kthread+0x328/0x630 [ 50.897993] ret_from_fork+0x10/0x20 [ 50.898032] [ 50.898073] CPU: 0 UID: 0 PID: 337 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 50.898150] Tainted: [B]=BAD_PAGE, [N]=TEST [ 50.898181] Hardware name: linux,dummy-virt (DT) [ 50.898216] ==================================================================
[ 48.419844] ================================================================== [ 48.420276] BUG: KFENCE: use-after-free read in test_krealloc+0x6fc/0xbe0 [ 48.420276] [ 48.420647] Use-after-free read at 0x(____ptrval____) (in kfence-#131): [ 48.420927] test_krealloc+0x6fc/0xbe0 [ 48.421136] kunit_try_run_case+0x1a5/0x480 [ 48.421364] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.421568] kthread+0x337/0x6f0 [ 48.421735] ret_from_fork+0x116/0x1d0 [ 48.422020] ret_from_fork_asm+0x1a/0x30 [ 48.422206] [ 48.422309] kfence-#131: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 48.422309] [ 48.422703] allocated by task 354 on cpu 1 at 48.419152s (0.003549s ago): [ 48.422970] test_alloc+0x364/0x10f0 [ 48.423148] test_krealloc+0xad/0xbe0 [ 48.423334] kunit_try_run_case+0x1a5/0x480 [ 48.423484] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.423769] kthread+0x337/0x6f0 [ 48.424065] ret_from_fork+0x116/0x1d0 [ 48.424205] ret_from_fork_asm+0x1a/0x30 [ 48.424390] [ 48.424488] freed by task 354 on cpu 1 at 48.419439s (0.005045s ago): [ 48.425025] krealloc_noprof+0x108/0x340 [ 48.425219] test_krealloc+0x226/0xbe0 [ 48.425357] kunit_try_run_case+0x1a5/0x480 [ 48.425562] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 48.426358] kthread+0x337/0x6f0 [ 48.426556] ret_from_fork+0x116/0x1d0 [ 48.426906] ret_from_fork_asm+0x1a/0x30 [ 48.427122] [ 48.427256] CPU: 1 UID: 0 PID: 354 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 48.428036] Tainted: [B]=BAD_PAGE, [N]=TEST [ 48.428317] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 48.428711] ==================================================================