Date
July 8, 2025, 7:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 24.028894] ================================================================== [ 24.029428] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 24.029428] [ 24.029540] Use-after-free read at 0x000000001524bf6d (in kfence-#90): [ 24.029752] test_use_after_free_read+0x114/0x248 [ 24.029871] kunit_try_run_case+0x170/0x3f0 [ 24.029936] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.029982] kthread+0x328/0x630 [ 24.030048] ret_from_fork+0x10/0x20 [ 24.030164] [ 24.030190] kfence-#90: 0x000000001524bf6d-0x00000000659b3732, size=32, cache=test [ 24.030190] [ 24.030242] allocated by task 297 on cpu 0 at 24.028578s (0.001660s ago): [ 24.030319] test_alloc+0x230/0x628 [ 24.030636] test_use_after_free_read+0xd0/0x248 [ 24.030777] kunit_try_run_case+0x170/0x3f0 [ 24.030871] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.030957] kthread+0x328/0x630 [ 24.031014] ret_from_fork+0x10/0x20 [ 24.031125] [ 24.031174] freed by task 297 on cpu 0 at 24.028652s (0.002511s ago): [ 24.031286] test_use_after_free_read+0xf0/0x248 [ 24.031332] kunit_try_run_case+0x170/0x3f0 [ 24.031503] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.031889] kthread+0x328/0x630 [ 24.032012] ret_from_fork+0x10/0x20 [ 24.032054] [ 24.032111] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 24.032529] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.032771] Hardware name: linux,dummy-virt (DT) [ 24.033013] ================================================================== [ 23.926957] ================================================================== [ 23.927037] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 23.927037] [ 23.927135] Use-after-free read at 0x00000000f33885df (in kfence-#89): [ 23.927420] test_use_after_free_read+0x114/0x248 [ 23.927590] kunit_try_run_case+0x170/0x3f0 [ 23.927807] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.927972] kthread+0x328/0x630 [ 23.928164] ret_from_fork+0x10/0x20 [ 23.928228] [ 23.928253] kfence-#89: 0x00000000f33885df-0x00000000faa50229, size=32, cache=kmalloc-32 [ 23.928253] [ 23.928307] allocated by task 295 on cpu 0 at 23.926099s (0.002204s ago): [ 23.928379] test_alloc+0x29c/0x628 [ 23.928840] test_use_after_free_read+0xd0/0x248 [ 23.929005] kunit_try_run_case+0x170/0x3f0 [ 23.929174] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.929278] kthread+0x328/0x630 [ 23.929929] ret_from_fork+0x10/0x20 [ 23.930026] [ 23.930167] freed by task 295 on cpu 0 at 23.926416s (0.003730s ago): [ 23.930353] test_use_after_free_read+0x1c0/0x248 [ 23.930486] kunit_try_run_case+0x170/0x3f0 [ 23.930703] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.931118] kthread+0x328/0x630 [ 23.931217] ret_from_fork+0x10/0x20 [ 23.931389] [ 23.931485] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 23.931733] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.931765] Hardware name: linux,dummy-virt (DT) [ 23.931799] ==================================================================
[ 18.752474] ================================================================== [ 18.752856] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.752856] [ 18.753263] Use-after-free read at 0x(____ptrval____) (in kfence-#73): [ 18.753610] test_use_after_free_read+0x129/0x270 [ 18.753781] kunit_try_run_case+0x1a5/0x480 [ 18.753997] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.754265] kthread+0x337/0x6f0 [ 18.754425] ret_from_fork+0x116/0x1d0 [ 18.754646] ret_from_fork_asm+0x1a/0x30 [ 18.754806] [ 18.754909] kfence-#73: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 18.754909] [ 18.755242] allocated by task 314 on cpu 0 at 18.752346s (0.002894s ago): [ 18.755538] test_alloc+0x2a6/0x10f0 [ 18.755728] test_use_after_free_read+0xdc/0x270 [ 18.755947] kunit_try_run_case+0x1a5/0x480 [ 18.756106] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.756305] kthread+0x337/0x6f0 [ 18.756475] ret_from_fork+0x116/0x1d0 [ 18.756711] ret_from_fork_asm+0x1a/0x30 [ 18.756914] [ 18.757014] freed by task 314 on cpu 0 at 18.752397s (0.004615s ago): [ 18.757270] test_use_after_free_read+0xfb/0x270 [ 18.757430] kunit_try_run_case+0x1a5/0x480 [ 18.757647] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.757902] kthread+0x337/0x6f0 [ 18.758088] ret_from_fork+0x116/0x1d0 [ 18.758276] ret_from_fork_asm+0x1a/0x30 [ 18.758423] [ 18.758524] CPU: 0 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 18.758957] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.759145] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.759485] ================================================================== [ 18.648563] ================================================================== [ 18.648992] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.648992] [ 18.649512] Use-after-free read at 0x(____ptrval____) (in kfence-#72): [ 18.649769] test_use_after_free_read+0x129/0x270 [ 18.649989] kunit_try_run_case+0x1a5/0x480 [ 18.650216] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.650461] kthread+0x337/0x6f0 [ 18.650867] ret_from_fork+0x116/0x1d0 [ 18.651575] ret_from_fork_asm+0x1a/0x30 [ 18.651863] [ 18.651952] kfence-#72: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 18.651952] [ 18.652443] allocated by task 312 on cpu 1 at 18.648353s (0.004087s ago): [ 18.653009] test_alloc+0x364/0x10f0 [ 18.653298] test_use_after_free_read+0xdc/0x270 [ 18.653629] kunit_try_run_case+0x1a5/0x480 [ 18.653840] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.654216] kthread+0x337/0x6f0 [ 18.654459] ret_from_fork+0x116/0x1d0 [ 18.654780] ret_from_fork_asm+0x1a/0x30 [ 18.654978] [ 18.655418] freed by task 312 on cpu 1 at 18.648409s (0.006737s ago): [ 18.655866] test_use_after_free_read+0x1e7/0x270 [ 18.656102] kunit_try_run_case+0x1a5/0x480 [ 18.656449] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.656803] kthread+0x337/0x6f0 [ 18.657076] ret_from_fork+0x116/0x1d0 [ 18.657293] ret_from_fork_asm+0x1a/0x30 [ 18.657669] [ 18.657910] CPU: 1 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 18.658382] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.658736] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.659214] ==================================================================