Date
July 4, 2025, 3:11 p.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 67.016865] ================================================================== [ 67.016994] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 67.016994] [ 67.017144] Use-after-free read at 0x(____ptrval____) (in kfence-#121): [ 67.017616] test_use_after_free_read+0x114/0x248 [ 67.022304] kunit_try_run_case+0x170/0x3f0 [ 67.026470] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 67.031939] kthread+0x328/0x630 [ 67.035151] ret_from_fork+0x10/0x20 [ 67.038709] [ 67.040189] kfence-#121: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 67.040189] [ 67.049302] allocated by task 346 on cpu 7 at 67.016811s (0.032489s ago): [ 67.056089] test_alloc+0x230/0x628 [ 67.059543] test_use_after_free_read+0xd0/0x248 [ 67.064144] kunit_try_run_case+0x170/0x3f0 [ 67.068310] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 67.073779] kthread+0x328/0x630 [ 67.076990] ret_from_fork+0x10/0x20 [ 67.080551] [ 67.082026] freed by task 346 on cpu 7 at 67.016826s (0.065198s ago): [ 67.088459] test_use_after_free_read+0xf0/0x248 [ 67.093049] kunit_try_run_case+0x170/0x3f0 [ 67.097216] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 67.102684] kthread+0x328/0x630 [ 67.105896] ret_from_fork+0x10/0x20 [ 67.109457] [ 67.110942] CPU: 7 UID: 0 PID: 346 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc2 #1 PREEMPT [ 67.120838] Tainted: [B]=BAD_PAGE, [N]=TEST [ 67.124995] Hardware name: WinLink E850-96 board (DT) [ 67.130031] ================================================================== [ 66.792863] ================================================================== [ 66.792999] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 66.792999] [ 66.793152] Use-after-free read at 0x(____ptrval____) (in kfence-#119): [ 66.793620] test_use_after_free_read+0x114/0x248 [ 66.798307] kunit_try_run_case+0x170/0x3f0 [ 66.802474] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 66.807943] kthread+0x328/0x630 [ 66.811155] ret_from_fork+0x10/0x20 [ 66.814713] [ 66.816193] kfence-#119: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 66.816193] [ 66.825827] allocated by task 344 on cpu 5 at 66.792809s (0.033016s ago): [ 66.832611] test_alloc+0x29c/0x628 [ 66.836067] test_use_after_free_read+0xd0/0x248 [ 66.840668] kunit_try_run_case+0x170/0x3f0 [ 66.844836] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 66.850303] kthread+0x328/0x630 [ 66.853515] ret_from_fork+0x10/0x20 [ 66.857075] [ 66.858552] freed by task 344 on cpu 5 at 66.792824s (0.065725s ago): [ 66.864985] test_use_after_free_read+0x1c0/0x248 [ 66.869661] kunit_try_run_case+0x170/0x3f0 [ 66.873827] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 66.879296] kthread+0x328/0x630 [ 66.882508] ret_from_fork+0x10/0x20 [ 66.886068] [ 66.887554] CPU: 5 UID: 0 PID: 344 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc2 #1 PREEMPT [ 66.897448] Tainted: [B]=BAD_PAGE, [N]=TEST [ 66.901606] Hardware name: WinLink E850-96 board (DT) [ 66.906643] ==================================================================
[ 19.952898] ================================================================== [ 19.952967] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 19.952967] [ 19.953047] Use-after-free read at 0x00000000a845f17d (in kfence-#89): [ 19.953196] test_use_after_free_read+0x114/0x248 [ 19.953350] kunit_try_run_case+0x170/0x3f0 [ 19.953491] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.953536] kthread+0x328/0x630 [ 19.953622] ret_from_fork+0x10/0x20 [ 19.953675] [ 19.953798] kfence-#89: 0x00000000a845f17d-0x0000000096ac0eee, size=32, cache=kmalloc-32 [ 19.953798] [ 19.954112] allocated by task 300 on cpu 1 at 19.952325s (0.001725s ago): [ 19.954182] test_alloc+0x29c/0x628 [ 19.954273] test_use_after_free_read+0xd0/0x248 [ 19.954328] kunit_try_run_case+0x170/0x3f0 [ 19.954370] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.954415] kthread+0x328/0x630 [ 19.954546] ret_from_fork+0x10/0x20 [ 19.954723] [ 19.954801] freed by task 300 on cpu 1 at 19.952410s (0.002380s ago): [ 19.954874] test_use_after_free_read+0x1c0/0x248 [ 19.955013] kunit_try_run_case+0x170/0x3f0 [ 19.955068] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.955113] kthread+0x328/0x630 [ 19.955152] ret_from_fork+0x10/0x20 [ 19.955296] [ 19.955427] CPU: 1 UID: 0 PID: 300 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc2 #1 PREEMPT [ 19.955515] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.955543] Hardware name: linux,dummy-virt (DT) [ 19.955675] ================================================================== [ 20.061211] ================================================================== [ 20.061343] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 20.061343] [ 20.061420] Use-after-free read at 0x000000003ca692f6 (in kfence-#90): [ 20.061470] test_use_after_free_read+0x114/0x248 [ 20.061514] kunit_try_run_case+0x170/0x3f0 [ 20.061598] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.061738] kthread+0x328/0x630 [ 20.061781] ret_from_fork+0x10/0x20 [ 20.061841] [ 20.061881] kfence-#90: 0x000000003ca692f6-0x00000000ce1b73df, size=32, cache=test [ 20.061881] [ 20.061997] allocated by task 302 on cpu 1 at 20.060986s (0.000942s ago): [ 20.062064] test_alloc+0x230/0x628 [ 20.062127] test_use_after_free_read+0xd0/0x248 [ 20.062179] kunit_try_run_case+0x170/0x3f0 [ 20.062220] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.062273] kthread+0x328/0x630 [ 20.062321] ret_from_fork+0x10/0x20 [ 20.062361] [ 20.062383] freed by task 302 on cpu 1 at 20.061040s (0.001340s ago): [ 20.062478] test_use_after_free_read+0xf0/0x248 [ 20.062519] kunit_try_run_case+0x170/0x3f0 [ 20.062559] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.062603] kthread+0x328/0x630 [ 20.062910] ret_from_fork+0x10/0x20 [ 20.062968] [ 20.063158] CPU: 1 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc2 #1 PREEMPT [ 20.063344] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.063377] Hardware name: linux,dummy-virt (DT) [ 20.063412] ==================================================================
[ 22.005099] ================================================================== [ 22.005577] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 22.005577] [ 22.005953] Use-after-free read at 0x(____ptrval____) (in kfence-#108): [ 22.006583] test_use_after_free_read+0x129/0x270 [ 22.007737] kunit_try_run_case+0x1a5/0x480 [ 22.008292] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.008661] kthread+0x337/0x6f0 [ 22.008933] ret_from_fork+0x41/0x80 [ 22.009353] ret_from_fork_asm+0x1a/0x30 [ 22.009646] [ 22.009849] kfence-#108: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 22.009849] [ 22.010373] allocated by task 318 on cpu 1 at 22.004859s (0.005508s ago): [ 22.010864] test_alloc+0x2a6/0x10f0 [ 22.011090] test_use_after_free_read+0xdc/0x270 [ 22.011571] kunit_try_run_case+0x1a5/0x480 [ 22.011791] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.012022] kthread+0x337/0x6f0 [ 22.012226] ret_from_fork+0x41/0x80 [ 22.012415] ret_from_fork_asm+0x1a/0x30 [ 22.012599] [ 22.012716] freed by task 318 on cpu 1 at 22.004955s (0.007756s ago): [ 22.013373] test_use_after_free_read+0xfb/0x270 [ 22.013793] kunit_try_run_case+0x1a5/0x480 [ 22.014145] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.014410] kthread+0x337/0x6f0 [ 22.014639] ret_from_fork+0x41/0x80 [ 22.014980] ret_from_fork_asm+0x1a/0x30 [ 22.015378] [ 22.015635] CPU: 1 UID: 0 PID: 318 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc2 #1 PREEMPT(voluntary) [ 22.016329] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.016547] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.017251] ================================================================== [ 21.901321] ================================================================== [ 21.901826] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 21.901826] [ 21.902507] Use-after-free read at 0x(____ptrval____) (in kfence-#107): [ 21.902870] test_use_after_free_read+0x129/0x270 [ 21.903218] kunit_try_run_case+0x1a5/0x480 [ 21.903603] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.903826] kthread+0x337/0x6f0 [ 21.904176] ret_from_fork+0x41/0x80 [ 21.904497] ret_from_fork_asm+0x1a/0x30 [ 21.904695] [ 21.904821] kfence-#107: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 21.904821] [ 21.905439] allocated by task 316 on cpu 1 at 21.900937s (0.004497s ago): [ 21.906003] test_alloc+0x364/0x10f0 [ 21.906287] test_use_after_free_read+0xdc/0x270 [ 21.906703] kunit_try_run_case+0x1a5/0x480 [ 21.906963] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.907193] kthread+0x337/0x6f0 [ 21.907380] ret_from_fork+0x41/0x80 [ 21.907597] ret_from_fork_asm+0x1a/0x30 [ 21.908062] [ 21.908303] freed by task 316 on cpu 1 at 21.901047s (0.007251s ago): [ 21.908834] test_use_after_free_read+0x1e7/0x270 [ 21.909101] kunit_try_run_case+0x1a5/0x480 [ 21.909449] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.909768] kthread+0x337/0x6f0 [ 21.910069] ret_from_fork+0x41/0x80 [ 21.910354] ret_from_fork_asm+0x1a/0x30 [ 21.910575] [ 21.910801] CPU: 1 UID: 0 PID: 316 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc2 #1 PREEMPT(voluntary) [ 21.911442] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.911701] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.912015] ==================================================================