Date
June 19, 2025, 12:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 36.316587] ================================================================== [ 36.316758] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 36.316758] [ 36.316869] Use-after-free read at 0x0000000084d5b522 (in kfence-#123): [ 36.317003] test_use_after_free_read+0x114/0x248 [ 36.317138] kunit_try_run_case+0x170/0x3f0 [ 36.317275] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.317445] kthread+0x328/0x630 [ 36.317730] ret_from_fork+0x10/0x20 [ 36.317847] [ 36.318034] kfence-#123: 0x0000000084d5b522-0x0000000052d2ee76, size=32, cache=test [ 36.318034] [ 36.318218] allocated by task 308 on cpu 0 at 36.316022s (0.002187s ago): [ 36.318358] test_alloc+0x230/0x628 [ 36.318446] test_use_after_free_read+0xd0/0x248 [ 36.318519] kunit_try_run_case+0x170/0x3f0 [ 36.318592] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.318695] kthread+0x328/0x630 [ 36.319805] ret_from_fork+0x10/0x20 [ 36.320372] [ 36.320471] freed by task 308 on cpu 0 at 36.316140s (0.004309s ago): [ 36.321127] test_use_after_free_read+0xf0/0x248 [ 36.321443] kunit_try_run_case+0x170/0x3f0 [ 36.321644] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.321802] kthread+0x328/0x630 [ 36.322088] ret_from_fork+0x10/0x20 [ 36.322236] [ 36.322345] CPU: 0 UID: 0 PID: 308 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT [ 36.322970] Tainted: [B]=BAD_PAGE, [N]=TEST [ 36.323089] Hardware name: linux,dummy-virt (DT) [ 36.323176] ================================================================== [ 36.209865] ================================================================== [ 36.210089] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 36.210089] [ 36.210290] Use-after-free read at 0x00000000b080261e (in kfence-#122): [ 36.210412] test_use_after_free_read+0x114/0x248 [ 36.210527] kunit_try_run_case+0x170/0x3f0 [ 36.210631] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.210737] kthread+0x328/0x630 [ 36.210832] ret_from_fork+0x10/0x20 [ 36.210936] [ 36.211013] kfence-#122: 0x00000000b080261e-0x0000000098823f00, size=32, cache=kmalloc-32 [ 36.211013] [ 36.211149] allocated by task 306 on cpu 0 at 36.208427s (0.002713s ago): [ 36.211313] test_alloc+0x29c/0x628 [ 36.211396] test_use_after_free_read+0xd0/0x248 [ 36.211482] kunit_try_run_case+0x170/0x3f0 [ 36.211570] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.212001] kthread+0x328/0x630 [ 36.212134] ret_from_fork+0x10/0x20 [ 36.212448] [ 36.213219] freed by task 306 on cpu 0 at 36.208724s (0.003999s ago): [ 36.213680] test_use_after_free_read+0x1c0/0x248 [ 36.214144] kunit_try_run_case+0x170/0x3f0 [ 36.214544] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.214773] kthread+0x328/0x630 [ 36.215145] ret_from_fork+0x10/0x20 [ 36.215349] [ 36.215531] CPU: 0 UID: 0 PID: 306 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT [ 36.215809] Tainted: [B]=BAD_PAGE, [N]=TEST [ 36.215972] Hardware name: linux,dummy-virt (DT) [ 36.216059] ==================================================================
[ 32.724881] ================================================================== [ 32.725468] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 32.725468] [ 32.725987] Use-after-free read at 0x(____ptrval____) (in kfence-#113): [ 32.726552] test_use_after_free_read+0x129/0x270 [ 32.726836] kunit_try_run_case+0x1a5/0x480 [ 32.727358] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 32.727665] kthread+0x337/0x6f0 [ 32.727900] ret_from_fork+0x116/0x1d0 [ 32.728257] ret_from_fork_asm+0x1a/0x30 [ 32.728670] [ 32.728890] kfence-#113: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 32.728890] [ 32.729449] allocated by task 326 on cpu 0 at 32.724652s (0.004791s ago): [ 32.730136] test_alloc+0x2a6/0x10f0 [ 32.730449] test_use_after_free_read+0xdc/0x270 [ 32.730872] kunit_try_run_case+0x1a5/0x480 [ 32.731257] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 32.731699] kthread+0x337/0x6f0 [ 32.732089] ret_from_fork+0x116/0x1d0 [ 32.732459] ret_from_fork_asm+0x1a/0x30 [ 32.732659] [ 32.732768] freed by task 326 on cpu 0 at 32.724726s (0.008037s ago): [ 32.733390] test_use_after_free_read+0xfb/0x270 [ 32.733820] kunit_try_run_case+0x1a5/0x480 [ 32.734286] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 32.734693] kthread+0x337/0x6f0 [ 32.734904] ret_from_fork+0x116/0x1d0 [ 32.735350] ret_from_fork_asm+0x1a/0x30 [ 32.735730] [ 32.735980] CPU: 0 UID: 0 PID: 326 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT(voluntary) [ 32.736565] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.736955] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 32.737596] ================================================================== [ 32.621055] ================================================================== [ 32.621635] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 32.621635] [ 32.622399] Use-after-free read at 0x(____ptrval____) (in kfence-#112): [ 32.622738] test_use_after_free_read+0x129/0x270 [ 32.623167] kunit_try_run_case+0x1a5/0x480 [ 32.623410] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 32.623872] kthread+0x337/0x6f0 [ 32.624140] ret_from_fork+0x116/0x1d0 [ 32.624339] ret_from_fork_asm+0x1a/0x30 [ 32.624542] [ 32.624722] kfence-#112: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 32.624722] [ 32.625691] allocated by task 324 on cpu 1 at 32.620669s (0.005016s ago): [ 32.626389] test_alloc+0x364/0x10f0 [ 32.626795] test_use_after_free_read+0xdc/0x270 [ 32.627081] kunit_try_run_case+0x1a5/0x480 [ 32.627530] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 32.627958] kthread+0x337/0x6f0 [ 32.628332] ret_from_fork+0x116/0x1d0 [ 32.628681] ret_from_fork_asm+0x1a/0x30 [ 32.629026] [ 32.629184] freed by task 324 on cpu 1 at 32.620797s (0.008382s ago): [ 32.629702] test_use_after_free_read+0x1e7/0x270 [ 32.630250] kunit_try_run_case+0x1a5/0x480 [ 32.630647] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 32.631097] kthread+0x337/0x6f0 [ 32.631458] ret_from_fork+0x116/0x1d0 [ 32.631778] ret_from_fork_asm+0x1a/0x30 [ 32.632262] [ 32.632466] CPU: 1 UID: 0 PID: 324 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250619 #1 PREEMPT(voluntary) [ 32.633320] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.633728] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 32.634467] ==================================================================