Date
July 19, 2025, 11:12 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.656847] ================================================================== [ 19.657012] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 19.657012] [ 19.657186] Use-after-free read at 0x0000000017c6b58f (in kfence-#85): [ 19.657240] test_use_after_free_read+0x114/0x248 [ 19.657304] kunit_try_run_case+0x170/0x3f0 [ 19.657350] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.657394] kthread+0x328/0x630 [ 19.657702] ret_from_fork+0x10/0x20 [ 19.657780] [ 19.657808] kfence-#85: 0x0000000017c6b58f-0x000000007bf89467, size=32, cache=test [ 19.657808] [ 19.657918] allocated by task 297 on cpu 1 at 19.656431s (0.001477s ago): [ 19.657989] test_alloc+0x230/0x628 [ 19.658047] test_use_after_free_read+0xd0/0x248 [ 19.658090] kunit_try_run_case+0x170/0x3f0 [ 19.658195] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.658281] kthread+0x328/0x630 [ 19.658337] ret_from_fork+0x10/0x20 [ 19.658447] [ 19.658494] freed by task 297 on cpu 1 at 19.656492s (0.001984s ago): [ 19.658604] test_use_after_free_read+0xf0/0x248 [ 19.658870] kunit_try_run_case+0x170/0x3f0 [ 19.658986] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.659129] kthread+0x328/0x630 [ 19.659205] ret_from_fork+0x10/0x20 [ 19.659248] [ 19.659300] CPU: 1 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 19.659383] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.659412] Hardware name: linux,dummy-virt (DT) [ 19.659705] ================================================================== [ 19.555092] ================================================================== [ 19.555583] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 19.555583] [ 19.555703] Use-after-free read at 0x000000006f375039 (in kfence-#84): [ 19.555758] test_use_after_free_read+0x114/0x248 [ 19.555805] kunit_try_run_case+0x170/0x3f0 [ 19.555933] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.555995] kthread+0x328/0x630 [ 19.556046] ret_from_fork+0x10/0x20 [ 19.556100] [ 19.556136] kfence-#84: 0x000000006f375039-0x00000000c083ec5a, size=32, cache=kmalloc-32 [ 19.556136] [ 19.556197] allocated by task 295 on cpu 1 at 19.554203s (0.001990s ago): [ 19.556278] test_alloc+0x29c/0x628 [ 19.556337] test_use_after_free_read+0xd0/0x248 [ 19.556390] kunit_try_run_case+0x170/0x3f0 [ 19.556428] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.556480] kthread+0x328/0x630 [ 19.556516] ret_from_fork+0x10/0x20 [ 19.556556] [ 19.556594] freed by task 295 on cpu 1 at 19.554346s (0.002243s ago): [ 19.556674] test_use_after_free_read+0x1c0/0x248 [ 19.556747] kunit_try_run_case+0x170/0x3f0 [ 19.556794] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.556847] kthread+0x328/0x630 [ 19.556897] ret_from_fork+0x10/0x20 [ 19.556936] [ 19.556990] CPU: 1 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 19.557095] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.557124] Hardware name: linux,dummy-virt (DT) [ 19.557160] ==================================================================
[ 17.796879] ================================================================== [ 17.797366] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.797366] [ 17.797776] Use-after-free read at 0x(____ptrval____) (in kfence-#72): [ 17.798104] test_use_after_free_read+0x129/0x270 [ 17.798292] kunit_try_run_case+0x1a5/0x480 [ 17.798442] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.798697] kthread+0x337/0x6f0 [ 17.798997] ret_from_fork+0x116/0x1d0 [ 17.799171] ret_from_fork_asm+0x1a/0x30 [ 17.799462] [ 17.799599] kfence-#72: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.799599] [ 17.800061] allocated by task 313 on cpu 0 at 17.796658s (0.003400s ago): [ 17.800387] test_alloc+0x364/0x10f0 [ 17.800610] test_use_after_free_read+0xdc/0x270 [ 17.800836] kunit_try_run_case+0x1a5/0x480 [ 17.801038] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.801207] kthread+0x337/0x6f0 [ 17.801329] ret_from_fork+0x116/0x1d0 [ 17.801774] ret_from_fork_asm+0x1a/0x30 [ 17.801981] [ 17.802224] freed by task 313 on cpu 0 at 17.796723s (0.005406s ago): [ 17.803255] test_use_after_free_read+0x1e7/0x270 [ 17.803633] kunit_try_run_case+0x1a5/0x480 [ 17.804107] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.804378] kthread+0x337/0x6f0 [ 17.804553] ret_from_fork+0x116/0x1d0 [ 17.804722] ret_from_fork_asm+0x1a/0x30 [ 17.804939] [ 17.805061] CPU: 0 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 17.805533] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.805723] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.806099] ================================================================== [ 17.900813] ================================================================== [ 17.901239] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.901239] [ 17.901677] Use-after-free read at 0x(____ptrval____) (in kfence-#73): [ 17.901959] test_use_after_free_read+0x129/0x270 [ 17.902185] kunit_try_run_case+0x1a5/0x480 [ 17.902382] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.903220] kthread+0x337/0x6f0 [ 17.903378] ret_from_fork+0x116/0x1d0 [ 17.903582] ret_from_fork_asm+0x1a/0x30 [ 17.903880] [ 17.903965] kfence-#73: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 17.903965] [ 17.904347] allocated by task 315 on cpu 1 at 17.900694s (0.003651s ago): [ 17.904974] test_alloc+0x2a6/0x10f0 [ 17.905239] test_use_after_free_read+0xdc/0x270 [ 17.905495] kunit_try_run_case+0x1a5/0x480 [ 17.905857] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.906191] kthread+0x337/0x6f0 [ 17.906337] ret_from_fork+0x116/0x1d0 [ 17.906635] ret_from_fork_asm+0x1a/0x30 [ 17.906789] [ 17.906889] freed by task 315 on cpu 1 at 17.900731s (0.006155s ago): [ 17.907220] test_use_after_free_read+0xfb/0x270 [ 17.907410] kunit_try_run_case+0x1a5/0x480 [ 17.907893] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.908240] kthread+0x337/0x6f0 [ 17.908381] ret_from_fork+0x116/0x1d0 [ 17.908588] ret_from_fork_asm+0x1a/0x30 [ 17.908934] [ 17.909063] CPU: 1 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 17.909684] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.909955] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.910445] ==================================================================