Date
July 10, 2025, 6:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.039040] ================================================================== [ 21.039366] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.039366] [ 21.039488] Use-after-free read at 0x00000000dd1da1bb (in kfence-#88): [ 21.039567] test_use_after_free_read+0x114/0x248 [ 21.039658] kunit_try_run_case+0x170/0x3f0 [ 21.039723] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.039798] kthread+0x328/0x630 [ 21.039839] ret_from_fork+0x10/0x20 [ 21.039913] [ 21.039938] kfence-#88: 0x00000000dd1da1bb-0x00000000b559433e, size=32, cache=test [ 21.039938] [ 21.040015] allocated by task 297 on cpu 0 at 21.038836s (0.001168s ago): [ 21.040137] test_alloc+0x230/0x628 [ 21.040180] test_use_after_free_read+0xd0/0x248 [ 21.040223] kunit_try_run_case+0x170/0x3f0 [ 21.040283] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.040571] kthread+0x328/0x630 [ 21.040648] ret_from_fork+0x10/0x20 [ 21.040718] [ 21.040836] freed by task 297 on cpu 0 at 21.038904s (0.001891s ago): [ 21.040945] test_use_after_free_read+0xf0/0x248 [ 21.040991] kunit_try_run_case+0x170/0x3f0 [ 21.041043] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.041089] kthread+0x328/0x630 [ 21.041127] ret_from_fork+0x10/0x20 [ 21.041165] [ 21.041222] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 21.041304] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.041331] Hardware name: linux,dummy-virt (DT) [ 21.041373] ================================================================== [ 20.937580] ================================================================== [ 20.937683] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 20.937683] [ 20.938094] Use-after-free read at 0x00000000ec98d562 (in kfence-#87): [ 20.938385] test_use_after_free_read+0x114/0x248 [ 20.938472] kunit_try_run_case+0x170/0x3f0 [ 20.938540] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.938593] kthread+0x328/0x630 [ 20.938633] ret_from_fork+0x10/0x20 [ 20.938675] [ 20.938700] kfence-#87: 0x00000000ec98d562-0x00000000733f52d9, size=32, cache=kmalloc-32 [ 20.938700] [ 20.938985] allocated by task 295 on cpu 0 at 20.936617s (0.002336s ago): [ 20.939098] test_alloc+0x29c/0x628 [ 20.939247] test_use_after_free_read+0xd0/0x248 [ 20.939288] kunit_try_run_case+0x170/0x3f0 [ 20.939349] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.939576] kthread+0x328/0x630 [ 20.939612] ret_from_fork+0x10/0x20 [ 20.939652] [ 20.939964] freed by task 295 on cpu 0 at 20.936862s (0.003086s ago): [ 20.940051] test_use_after_free_read+0x1c0/0x248 [ 20.940319] kunit_try_run_case+0x170/0x3f0 [ 20.940411] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.940458] kthread+0x328/0x630 [ 20.940495] ret_from_fork+0x10/0x20 [ 20.940560] [ 20.940640] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 20.940955] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.940990] Hardware name: linux,dummy-virt (DT) [ 20.941125] ==================================================================
[ 18.004223] ================================================================== [ 18.004659] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.004659] [ 18.005187] Use-after-free read at 0x(____ptrval____) (in kfence-#71): [ 18.005423] test_use_after_free_read+0x129/0x270 [ 18.005663] kunit_try_run_case+0x1a5/0x480 [ 18.005823] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.006111] kthread+0x337/0x6f0 [ 18.006303] ret_from_fork+0x116/0x1d0 [ 18.006491] ret_from_fork_asm+0x1a/0x30 [ 18.006635] [ 18.006711] kfence-#71: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 18.006711] [ 18.007292] allocated by task 314 on cpu 0 at 18.004094s (0.003196s ago): [ 18.007589] test_alloc+0x2a6/0x10f0 [ 18.007732] test_use_after_free_read+0xdc/0x270 [ 18.007891] kunit_try_run_case+0x1a5/0x480 [ 18.008112] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.008438] kthread+0x337/0x6f0 [ 18.008590] ret_from_fork+0x116/0x1d0 [ 18.008724] ret_from_fork_asm+0x1a/0x30 [ 18.008903] [ 18.009089] freed by task 314 on cpu 0 at 18.004140s (0.004947s ago): [ 18.009407] test_use_after_free_read+0xfb/0x270 [ 18.009605] kunit_try_run_case+0x1a5/0x480 [ 18.009782] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.009972] kthread+0x337/0x6f0 [ 18.010163] ret_from_fork+0x116/0x1d0 [ 18.010409] ret_from_fork_asm+0x1a/0x30 [ 18.010647] [ 18.010742] CPU: 0 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 18.011345] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.011509] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.011776] ================================================================== [ 17.900356] ================================================================== [ 17.900779] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.900779] [ 17.901354] Use-after-free read at 0x(____ptrval____) (in kfence-#70): [ 17.901638] test_use_after_free_read+0x129/0x270 [ 17.901866] kunit_try_run_case+0x1a5/0x480 [ 17.902183] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.902424] kthread+0x337/0x6f0 [ 17.902589] ret_from_fork+0x116/0x1d0 [ 17.902747] ret_from_fork_asm+0x1a/0x30 [ 17.902961] [ 17.903079] kfence-#70: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.903079] [ 17.903462] allocated by task 312 on cpu 1 at 17.900149s (0.003311s ago): [ 17.903799] test_alloc+0x364/0x10f0 [ 17.903983] test_use_after_free_read+0xdc/0x270 [ 17.904447] kunit_try_run_case+0x1a5/0x480 [ 17.904639] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.904870] kthread+0x337/0x6f0 [ 17.905512] ret_from_fork+0x116/0x1d0 [ 17.905725] ret_from_fork_asm+0x1a/0x30 [ 17.906025] [ 17.906374] freed by task 312 on cpu 1 at 17.900203s (0.006088s ago): [ 17.906712] test_use_after_free_read+0x1e7/0x270 [ 17.906953] kunit_try_run_case+0x1a5/0x480 [ 17.907145] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.907353] kthread+0x337/0x6f0 [ 17.907522] ret_from_fork+0x116/0x1d0 [ 17.907680] ret_from_fork_asm+0x1a/0x30 [ 17.907858] [ 17.907997] CPU: 1 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 17.908426] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.908560] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.908935] ==================================================================