Date
May 29, 2025, 7:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 27.484611] ================================================================== [ 27.484852] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 27.484852] [ 27.485088] Use-after-free read at 0x000000000d181f01 (in kfence-#119): [ 27.485476] test_use_after_free_read+0x114/0x248 [ 27.485634] kunit_try_run_case+0x170/0x3f0 [ 27.485742] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.486674] kthread+0x328/0x630 [ 27.486803] ret_from_fork+0x10/0x20 [ 27.486926] [ 27.486989] kfence-#119: 0x000000000d181f01-0x00000000b6c70eb9, size=32, cache=kmalloc-32 [ 27.486989] [ 27.487825] allocated by task 295 on cpu 1 at 27.483662s (0.004064s ago): [ 27.488909] test_alloc+0x29c/0x628 [ 27.489037] test_use_after_free_read+0xd0/0x248 [ 27.489585] kunit_try_run_case+0x170/0x3f0 [ 27.490099] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.490984] kthread+0x328/0x630 [ 27.491299] ret_from_fork+0x10/0x20 [ 27.491490] [ 27.492823] freed by task 295 on cpu 1 at 27.483803s (0.008717s ago): [ 27.493106] test_use_after_free_read+0x1c0/0x248 [ 27.493223] kunit_try_run_case+0x170/0x3f0 [ 27.493320] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.493449] kthread+0x328/0x630 [ 27.493539] ret_from_fork+0x10/0x20 [ 27.494441] [ 27.495291] CPU: 1 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT [ 27.496079] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.496413] Hardware name: linux,dummy-virt (DT) [ 27.496504] ================================================================== [ 27.589789] ================================================================== [ 27.590256] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 27.590256] [ 27.590485] Use-after-free read at 0x00000000d66fab2b (in kfence-#120): [ 27.590649] test_use_after_free_read+0x114/0x248 [ 27.590906] kunit_try_run_case+0x170/0x3f0 [ 27.591236] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.591463] kthread+0x328/0x630 [ 27.591575] ret_from_fork+0x10/0x20 [ 27.591672] [ 27.591760] kfence-#120: 0x00000000d66fab2b-0x0000000001f9cdaa, size=32, cache=test [ 27.591760] [ 27.591878] allocated by task 297 on cpu 1 at 27.589020s (0.002850s ago): [ 27.592042] test_alloc+0x230/0x628 [ 27.592148] test_use_after_free_read+0xd0/0x248 [ 27.592254] kunit_try_run_case+0x170/0x3f0 [ 27.592337] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.592690] kthread+0x328/0x630 [ 27.592836] ret_from_fork+0x10/0x20 [ 27.592986] [ 27.593045] freed by task 297 on cpu 1 at 27.589283s (0.003754s ago): [ 27.593366] test_use_after_free_read+0xf0/0x248 [ 27.593538] kunit_try_run_case+0x170/0x3f0 [ 27.593660] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.593780] kthread+0x328/0x630 [ 27.593909] ret_from_fork+0x10/0x20 [ 27.594029] [ 27.594153] CPU: 1 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT [ 27.594947] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.595018] Hardware name: linux,dummy-virt (DT) [ 27.595066] ==================================================================
[ 16.474146] ================================================================== [ 16.474557] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.474557] [ 16.474995] Use-after-free read at 0x(____ptrval____) (in kfence-#72): [ 16.475296] test_use_after_free_read+0x129/0x270 [ 16.475539] kunit_try_run_case+0x1a5/0x480 [ 16.475713] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.476160] kthread+0x337/0x6f0 [ 16.476299] ret_from_fork+0x116/0x1d0 [ 16.476461] ret_from_fork_asm+0x1a/0x30 [ 16.476675] [ 16.476789] kfence-#72: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 16.476789] [ 16.477106] allocated by task 314 on cpu 0 at 16.474036s (0.003068s ago): [ 16.477440] test_alloc+0x2a6/0x10f0 [ 16.477647] test_use_after_free_read+0xdc/0x270 [ 16.477910] kunit_try_run_case+0x1a5/0x480 [ 16.478062] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.478304] kthread+0x337/0x6f0 [ 16.478478] ret_from_fork+0x116/0x1d0 [ 16.478690] ret_from_fork_asm+0x1a/0x30 [ 16.478887] [ 16.478989] freed by task 314 on cpu 0 at 16.474081s (0.004906s ago): [ 16.479256] test_use_after_free_read+0xfb/0x270 [ 16.479451] kunit_try_run_case+0x1a5/0x480 [ 16.479676] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.480134] kthread+0x337/0x6f0 [ 16.480279] ret_from_fork+0x116/0x1d0 [ 16.480464] ret_from_fork_asm+0x1a/0x30 [ 16.480621] [ 16.480720] CPU: 0 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT(voluntary) [ 16.481236] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.481384] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.481672] ================================================================== [ 16.370303] ================================================================== [ 16.370769] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.370769] [ 16.371290] Use-after-free read at 0x(____ptrval____) (in kfence-#71): [ 16.371555] test_use_after_free_read+0x129/0x270 [ 16.371919] kunit_try_run_case+0x1a5/0x480 [ 16.372168] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.372392] kthread+0x337/0x6f0 [ 16.372570] ret_from_fork+0x116/0x1d0 [ 16.372723] ret_from_fork_asm+0x1a/0x30 [ 16.373177] [ 16.373385] kfence-#71: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 16.373385] [ 16.373841] allocated by task 312 on cpu 0 at 16.370084s (0.003755s ago): [ 16.374090] test_alloc+0x364/0x10f0 [ 16.374227] test_use_after_free_read+0xdc/0x270 [ 16.374501] kunit_try_run_case+0x1a5/0x480 [ 16.374930] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.375224] kthread+0x337/0x6f0 [ 16.375348] ret_from_fork+0x116/0x1d0 [ 16.375678] ret_from_fork_asm+0x1a/0x30 [ 16.376005] [ 16.376109] freed by task 312 on cpu 0 at 16.370150s (0.005956s ago): [ 16.376461] test_use_after_free_read+0x1e7/0x270 [ 16.376667] kunit_try_run_case+0x1a5/0x480 [ 16.377007] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.377341] kthread+0x337/0x6f0 [ 16.377524] ret_from_fork+0x116/0x1d0 [ 16.377695] ret_from_fork_asm+0x1a/0x30 [ 16.378002] [ 16.378195] CPU: 0 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT(voluntary) [ 16.378756] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.379010] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.379456] ==================================================================