Date
July 10, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.667088] ================================================================== [ 20.667164] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 20.667164] [ 20.667249] Use-after-free read at 0x0000000022771073 (in kfence-#91): [ 20.667300] test_use_after_free_read+0x114/0x248 [ 20.667520] kunit_try_run_case+0x170/0x3f0 [ 20.667649] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.667720] kthread+0x328/0x630 [ 20.667777] ret_from_fork+0x10/0x20 [ 20.667819] [ 20.667881] kfence-#91: 0x0000000022771073-0x0000000066df7540, size=32, cache=test [ 20.667881] [ 20.668011] allocated by task 297 on cpu 0 at 20.666846s (0.001136s ago): [ 20.668226] test_alloc+0x230/0x628 [ 20.668297] test_use_after_free_read+0xd0/0x248 [ 20.668369] kunit_try_run_case+0x170/0x3f0 [ 20.668426] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.668472] kthread+0x328/0x630 [ 20.668595] ret_from_fork+0x10/0x20 [ 20.668636] [ 20.668894] freed by task 297 on cpu 0 at 20.666941s (0.001740s ago): [ 20.669029] test_use_after_free_read+0xf0/0x248 [ 20.669114] kunit_try_run_case+0x170/0x3f0 [ 20.669159] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.669210] kthread+0x328/0x630 [ 20.669333] ret_from_fork+0x10/0x20 [ 20.669373] [ 20.669419] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 20.669507] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.669535] Hardware name: linux,dummy-virt (DT) [ 20.669585] ================================================================== [ 20.567642] ================================================================== [ 20.568725] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 20.568725] [ 20.569775] Use-after-free read at 0x0000000012bec72f (in kfence-#90): [ 20.570135] test_use_after_free_read+0x114/0x248 [ 20.570355] kunit_try_run_case+0x170/0x3f0 [ 20.571234] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.571600] kthread+0x328/0x630 [ 20.572358] ret_from_fork+0x10/0x20 [ 20.572521] [ 20.573361] kfence-#90: 0x0000000012bec72f-0x0000000040966d38, size=32, cache=kmalloc-32 [ 20.573361] [ 20.573534] allocated by task 295 on cpu 0 at 20.564765s (0.008765s ago): [ 20.573973] test_alloc+0x29c/0x628 [ 20.574190] test_use_after_free_read+0xd0/0x248 [ 20.575075] kunit_try_run_case+0x170/0x3f0 [ 20.575471] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.575783] kthread+0x328/0x630 [ 20.575909] ret_from_fork+0x10/0x20 [ 20.576241] [ 20.577931] freed by task 295 on cpu 0 at 20.564855s (0.011969s ago): [ 20.578768] test_use_after_free_read+0x1c0/0x248 [ 20.579116] kunit_try_run_case+0x170/0x3f0 [ 20.579279] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.579700] kthread+0x328/0x630 [ 20.580193] ret_from_fork+0x10/0x20 [ 20.580331] [ 20.580483] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 20.581428] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.581473] Hardware name: linux,dummy-virt (DT) [ 20.581510] ==================================================================
[ 18.509821] ================================================================== [ 18.510233] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.510233] [ 18.510789] Use-after-free read at 0x(____ptrval____) (in kfence-#76): [ 18.511069] test_use_after_free_read+0x129/0x270 [ 18.511267] kunit_try_run_case+0x1a5/0x480 [ 18.511513] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.511786] kthread+0x337/0x6f0 [ 18.511987] ret_from_fork+0x116/0x1d0 [ 18.512160] ret_from_fork_asm+0x1a/0x30 [ 18.512326] [ 18.512438] kfence-#76: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 18.512438] [ 18.512870] allocated by task 313 on cpu 1 at 18.509623s (0.003245s ago): [ 18.513130] test_alloc+0x364/0x10f0 [ 18.513265] test_use_after_free_read+0xdc/0x270 [ 18.513467] kunit_try_run_case+0x1a5/0x480 [ 18.513677] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.513962] kthread+0x337/0x6f0 [ 18.514104] ret_from_fork+0x116/0x1d0 [ 18.514239] ret_from_fork_asm+0x1a/0x30 [ 18.514389] [ 18.514467] freed by task 313 on cpu 1 at 18.509674s (0.004791s ago): [ 18.514806] test_use_after_free_read+0x1e7/0x270 [ 18.515038] kunit_try_run_case+0x1a5/0x480 [ 18.515207] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.515512] kthread+0x337/0x6f0 [ 18.515634] ret_from_fork+0x116/0x1d0 [ 18.515768] ret_from_fork_asm+0x1a/0x30 [ 18.515945] [ 18.516075] CPU: 1 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 18.516872] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.517068] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.517512] ================================================================== [ 18.613787] ================================================================== [ 18.614185] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.614185] [ 18.614750] Use-after-free read at 0x(____ptrval____) (in kfence-#77): [ 18.615012] test_use_after_free_read+0x129/0x270 [ 18.615229] kunit_try_run_case+0x1a5/0x480 [ 18.615393] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.615703] kthread+0x337/0x6f0 [ 18.615881] ret_from_fork+0x116/0x1d0 [ 18.616062] ret_from_fork_asm+0x1a/0x30 [ 18.616215] [ 18.616315] kfence-#77: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 18.616315] [ 18.616701] allocated by task 315 on cpu 1 at 18.613670s (0.003029s ago): [ 18.616989] test_alloc+0x2a6/0x10f0 [ 18.617171] test_use_after_free_read+0xdc/0x270 [ 18.617507] kunit_try_run_case+0x1a5/0x480 [ 18.617707] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.617902] kthread+0x337/0x6f0 [ 18.618025] ret_from_fork+0x116/0x1d0 [ 18.618215] ret_from_fork_asm+0x1a/0x30 [ 18.618431] [ 18.618529] freed by task 315 on cpu 1 at 18.613714s (0.004813s ago): [ 18.618789] test_use_after_free_read+0xfb/0x270 [ 18.618979] kunit_try_run_case+0x1a5/0x480 [ 18.619191] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.619472] kthread+0x337/0x6f0 [ 18.619618] ret_from_fork+0x116/0x1d0 [ 18.619808] ret_from_fork_asm+0x1a/0x30 [ 18.619953] [ 18.620045] CPU: 1 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 18.620506] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.620711] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.621164] ==================================================================