Date
July 18, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.696413] ================================================================== [ 19.696825] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 19.696825] [ 19.697222] Use-after-free read at 0x0000000092a1220c (in kfence-#85): [ 19.697295] test_use_after_free_read+0x114/0x248 [ 19.697672] kunit_try_run_case+0x170/0x3f0 [ 19.697800] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.697850] kthread+0x328/0x630 [ 19.697900] ret_from_fork+0x10/0x20 [ 19.698437] [ 19.698926] kfence-#85: 0x0000000092a1220c-0x000000000b2383d1, size=32, cache=kmalloc-32 [ 19.698926] [ 19.699499] allocated by task 295 on cpu 0 at 19.695999s (0.003453s ago): [ 19.699707] test_alloc+0x29c/0x628 [ 19.699814] test_use_after_free_read+0xd0/0x248 [ 19.700243] kunit_try_run_case+0x170/0x3f0 [ 19.700679] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.700737] kthread+0x328/0x630 [ 19.700786] ret_from_fork+0x10/0x20 [ 19.700837] [ 19.700893] freed by task 295 on cpu 0 at 19.696086s (0.004794s ago): [ 19.700971] test_use_after_free_read+0x1c0/0x248 [ 19.701024] kunit_try_run_case+0x170/0x3f0 [ 19.701082] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.701127] kthread+0x328/0x630 [ 19.701172] ret_from_fork+0x10/0x20 [ 19.701214] [ 19.701280] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 19.701502] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.701836] Hardware name: linux,dummy-virt (DT) [ 19.702121] ================================================================== [ 19.799543] ================================================================== [ 19.799626] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 19.799626] [ 19.800048] Use-after-free read at 0x000000001c04bd14 (in kfence-#86): [ 19.800128] test_use_after_free_read+0x114/0x248 [ 19.800367] kunit_try_run_case+0x170/0x3f0 [ 19.800536] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.800591] kthread+0x328/0x630 [ 19.800632] ret_from_fork+0x10/0x20 [ 19.800816] [ 19.800858] kfence-#86: 0x000000001c04bd14-0x000000001fa2beeb, size=32, cache=test [ 19.800858] [ 19.800915] allocated by task 297 on cpu 0 at 19.799268s (0.001643s ago): [ 19.800995] test_alloc+0x230/0x628 [ 19.801039] test_use_after_free_read+0xd0/0x248 [ 19.801083] kunit_try_run_case+0x170/0x3f0 [ 19.801125] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.801173] kthread+0x328/0x630 [ 19.801210] ret_from_fork+0x10/0x20 [ 19.801250] [ 19.801344] freed by task 297 on cpu 0 at 19.799401s (0.001872s ago): [ 19.801457] test_use_after_free_read+0xf0/0x248 [ 19.801503] kunit_try_run_case+0x170/0x3f0 [ 19.801545] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.801591] kthread+0x328/0x630 [ 19.801629] ret_from_fork+0x10/0x20 [ 19.801683] [ 19.801728] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 19.801807] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.801841] Hardware name: linux,dummy-virt (DT) [ 19.801874] ==================================================================
[ 17.846467] ================================================================== [ 17.846893] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.846893] [ 17.847496] Use-after-free read at 0x(____ptrval____) (in kfence-#73): [ 17.848136] test_use_after_free_read+0x129/0x270 [ 17.848374] kunit_try_run_case+0x1a5/0x480 [ 17.848812] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.849161] kthread+0x337/0x6f0 [ 17.849370] ret_from_fork+0x116/0x1d0 [ 17.849752] ret_from_fork_asm+0x1a/0x30 [ 17.849967] [ 17.850246] kfence-#73: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 17.850246] [ 17.850649] allocated by task 316 on cpu 1 at 17.846327s (0.004319s ago): [ 17.851059] test_alloc+0x2a6/0x10f0 [ 17.851405] test_use_after_free_read+0xdc/0x270 [ 17.851738] kunit_try_run_case+0x1a5/0x480 [ 17.852035] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.852288] kthread+0x337/0x6f0 [ 17.852675] ret_from_fork+0x116/0x1d0 [ 17.852948] ret_from_fork_asm+0x1a/0x30 [ 17.853231] [ 17.853359] freed by task 316 on cpu 1 at 17.846390s (0.006966s ago): [ 17.853794] test_use_after_free_read+0xfb/0x270 [ 17.854027] kunit_try_run_case+0x1a5/0x480 [ 17.854235] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.854492] kthread+0x337/0x6f0 [ 17.854916] ret_from_fork+0x116/0x1d0 [ 17.855087] ret_from_fork_asm+0x1a/0x30 [ 17.855411] [ 17.855654] CPU: 1 UID: 0 PID: 316 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 17.856183] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.856387] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.857012] ================================================================== [ 17.742541] ================================================================== [ 17.743036] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.743036] [ 17.743590] Use-after-free read at 0x(____ptrval____) (in kfence-#72): [ 17.743844] test_use_after_free_read+0x129/0x270 [ 17.744099] kunit_try_run_case+0x1a5/0x480 [ 17.744311] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.744555] kthread+0x337/0x6f0 [ 17.744744] ret_from_fork+0x116/0x1d0 [ 17.744923] ret_from_fork_asm+0x1a/0x30 [ 17.745075] [ 17.745175] kfence-#72: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.745175] [ 17.745603] allocated by task 314 on cpu 0 at 17.742309s (0.003292s ago): [ 17.746075] test_alloc+0x364/0x10f0 [ 17.746254] test_use_after_free_read+0xdc/0x270 [ 17.746492] kunit_try_run_case+0x1a5/0x480 [ 17.746711] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.747042] kthread+0x337/0x6f0 [ 17.747240] ret_from_fork+0x116/0x1d0 [ 17.747389] ret_from_fork_asm+0x1a/0x30 [ 17.747692] [ 17.747937] freed by task 314 on cpu 0 at 17.742394s (0.005431s ago): [ 17.748301] test_use_after_free_read+0x1e7/0x270 [ 17.748580] kunit_try_run_case+0x1a5/0x480 [ 17.748752] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.748929] kthread+0x337/0x6f0 [ 17.749068] ret_from_fork+0x116/0x1d0 [ 17.749278] ret_from_fork_asm+0x1a/0x30 [ 17.749496] [ 17.749616] CPU: 0 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 17.750285] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.750485] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.750867] ==================================================================