Date
July 17, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.145213] ================================================================== [ 21.145417] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.145417] [ 21.145818] Use-after-free read at 0x00000000c6575446 (in kfence-#93): [ 21.145899] test_use_after_free_read+0x114/0x248 [ 21.146071] kunit_try_run_case+0x170/0x3f0 [ 21.146270] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.146317] kthread+0x328/0x630 [ 21.146353] ret_from_fork+0x10/0x20 [ 21.146393] [ 21.146419] kfence-#93: 0x00000000c6575446-0x0000000006181b44, size=32, cache=test [ 21.146419] [ 21.146468] allocated by task 297 on cpu 0 at 21.144781s (0.001683s ago): [ 21.146537] test_alloc+0x230/0x628 [ 21.146588] test_use_after_free_read+0xd0/0x248 [ 21.146630] kunit_try_run_case+0x170/0x3f0 [ 21.146669] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.146724] kthread+0x328/0x630 [ 21.146759] ret_from_fork+0x10/0x20 [ 21.146905] [ 21.147028] freed by task 297 on cpu 0 at 21.144872s (0.002138s ago): [ 21.147443] test_use_after_free_read+0xf0/0x248 [ 21.147488] kunit_try_run_case+0x170/0x3f0 [ 21.147528] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.147582] kthread+0x328/0x630 [ 21.147618] ret_from_fork+0x10/0x20 [ 21.147769] [ 21.147857] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 21.147997] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.148042] Hardware name: linux,dummy-virt (DT) [ 21.148074] ================================================================== [ 21.040970] ================================================================== [ 21.041097] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.041097] [ 21.041199] Use-after-free read at 0x00000000d02ba65c (in kfence-#92): [ 21.041258] test_use_after_free_read+0x114/0x248 [ 21.041361] kunit_try_run_case+0x170/0x3f0 [ 21.041408] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.041450] kthread+0x328/0x630 [ 21.041489] ret_from_fork+0x10/0x20 [ 21.041536] [ 21.041657] kfence-#92: 0x00000000d02ba65c-0x000000006aa22cad, size=32, cache=kmalloc-32 [ 21.041657] [ 21.041924] allocated by task 295 on cpu 0 at 21.040413s (0.001493s ago): [ 21.042087] test_alloc+0x29c/0x628 [ 21.042223] test_use_after_free_read+0xd0/0x248 [ 21.042265] kunit_try_run_case+0x170/0x3f0 [ 21.042303] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.042345] kthread+0x328/0x630 [ 21.042385] ret_from_fork+0x10/0x20 [ 21.042596] [ 21.042726] freed by task 295 on cpu 0 at 21.040487s (0.002158s ago): [ 21.043151] test_use_after_free_read+0x1c0/0x248 [ 21.043218] kunit_try_run_case+0x170/0x3f0 [ 21.043310] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.043354] kthread+0x328/0x630 [ 21.043403] ret_from_fork+0x10/0x20 [ 21.043459] [ 21.043615] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 21.043886] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.043999] Hardware name: linux,dummy-virt (DT) [ 21.044040] ==================================================================
[ 17.739335] ================================================================== [ 17.739890] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.739890] [ 17.740323] Use-after-free read at 0x(____ptrval____) (in kfence-#75): [ 17.740682] test_use_after_free_read+0x129/0x270 [ 17.740905] kunit_try_run_case+0x1a5/0x480 [ 17.741098] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.741273] kthread+0x337/0x6f0 [ 17.741415] ret_from_fork+0x116/0x1d0 [ 17.741659] ret_from_fork_asm+0x1a/0x30 [ 17.741884] [ 17.742215] kfence-#75: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.742215] [ 17.743031] allocated by task 312 on cpu 0 at 17.739112s (0.003917s ago): [ 17.743377] test_alloc+0x364/0x10f0 [ 17.743546] test_use_after_free_read+0xdc/0x270 [ 17.743797] kunit_try_run_case+0x1a5/0x480 [ 17.743954] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.744139] kthread+0x337/0x6f0 [ 17.744338] ret_from_fork+0x116/0x1d0 [ 17.744532] ret_from_fork_asm+0x1a/0x30 [ 17.744759] [ 17.745043] freed by task 312 on cpu 0 at 17.739178s (0.005862s ago): [ 17.745356] test_use_after_free_read+0x1e7/0x270 [ 17.746000] kunit_try_run_case+0x1a5/0x480 [ 17.746219] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.746566] kthread+0x337/0x6f0 [ 17.746852] ret_from_fork+0x116/0x1d0 [ 17.747020] ret_from_fork_asm+0x1a/0x30 [ 17.747244] [ 17.747554] CPU: 0 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 17.748062] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.748417] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.748955] ================================================================== [ 17.843403] ================================================================== [ 17.843993] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.843993] [ 17.844408] Use-after-free read at 0x(____ptrval____) (in kfence-#76): [ 17.844737] test_use_after_free_read+0x129/0x270 [ 17.844949] kunit_try_run_case+0x1a5/0x480 [ 17.845140] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.845400] kthread+0x337/0x6f0 [ 17.845578] ret_from_fork+0x116/0x1d0 [ 17.845746] ret_from_fork_asm+0x1a/0x30 [ 17.845942] [ 17.846034] kfence-#76: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 17.846034] [ 17.846419] allocated by task 314 on cpu 1 at 17.843219s (0.003198s ago): [ 17.846697] test_alloc+0x2a6/0x10f0 [ 17.846908] test_use_after_free_read+0xdc/0x270 [ 17.847099] kunit_try_run_case+0x1a5/0x480 [ 17.847248] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.847476] kthread+0x337/0x6f0 [ 17.847647] ret_from_fork+0x116/0x1d0 [ 17.847812] ret_from_fork_asm+0x1a/0x30 [ 17.848022] [ 17.848107] freed by task 314 on cpu 1 at 17.843267s (0.004837s ago): [ 17.848334] test_use_after_free_read+0xfb/0x270 [ 17.848559] kunit_try_run_case+0x1a5/0x480 [ 17.848780] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.849037] kthread+0x337/0x6f0 [ 17.849219] ret_from_fork+0x116/0x1d0 [ 17.849411] ret_from_fork_asm+0x1a/0x30 [ 17.849596] [ 17.849709] CPU: 1 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 17.850142] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.850289] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.850680] ==================================================================