Date
May 15, 2025, 10:38 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.027856] ================================================================== [ 22.027936] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.027936] [ 22.028291] Use-after-free read at 0x0000000015d6621c (in kfence-#88): [ 22.028383] test_use_after_free_read+0x114/0x248 [ 22.028437] kunit_try_run_case+0x170/0x3f0 [ 22.028483] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.028526] kthread+0x328/0x630 [ 22.028569] ret_from_fork+0x10/0x20 [ 22.028608] [ 22.028633] kfence-#88: 0x0000000015d6621c-0x0000000020ccf0e5, size=32, cache=test [ 22.028633] [ 22.028682] allocated by task 297 on cpu 0 at 22.027399s (0.001280s ago): [ 22.028759] test_alloc+0x230/0x628 [ 22.028802] test_use_after_free_read+0xd0/0x248 [ 22.028843] kunit_try_run_case+0x170/0x3f0 [ 22.028881] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.028922] kthread+0x328/0x630 [ 22.028964] ret_from_fork+0x10/0x20 [ 22.029004] [ 22.029038] freed by task 297 on cpu 0 at 22.027697s (0.001337s ago): [ 22.029140] test_use_after_free_read+0xf0/0x248 [ 22.029197] kunit_try_run_case+0x170/0x3f0 [ 22.029235] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.029276] kthread+0x328/0x630 [ 22.029314] ret_from_fork+0x10/0x20 [ 22.029354] [ 22.029399] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250515 #1 PREEMPT [ 22.029492] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.029531] Hardware name: linux,dummy-virt (DT) [ 22.029566] ================================================================== [ 21.919797] ================================================================== [ 21.919877] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.919877] [ 21.920031] Use-after-free read at 0x000000000d27104c (in kfence-#87): [ 21.920086] test_use_after_free_read+0x114/0x248 [ 21.920481] kunit_try_run_case+0x170/0x3f0 [ 21.920560] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.920606] kthread+0x328/0x630 [ 21.920649] ret_from_fork+0x10/0x20 [ 21.920771] [ 21.920800] kfence-#87: 0x000000000d27104c-0x000000001071f8e7, size=32, cache=kmalloc-32 [ 21.920800] [ 21.920903] allocated by task 295 on cpu 0 at 21.919069s (0.001786s ago): [ 21.921315] test_alloc+0x29c/0x628 [ 21.921368] test_use_after_free_read+0xd0/0x248 [ 21.921417] kunit_try_run_case+0x170/0x3f0 [ 21.921793] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.921896] kthread+0x328/0x630 [ 21.921937] ret_from_fork+0x10/0x20 [ 21.922211] [ 21.922908] freed by task 295 on cpu 0 at 21.919144s (0.003453s ago): [ 21.923064] test_use_after_free_read+0x1c0/0x248 [ 21.923429] kunit_try_run_case+0x170/0x3f0 [ 21.923728] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.923923] kthread+0x328/0x630 [ 21.924295] ret_from_fork+0x10/0x20 [ 21.924383] [ 21.924448] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250515 #1 PREEMPT [ 21.924536] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.924566] Hardware name: linux,dummy-virt (DT) [ 21.924602] ==================================================================
[ 19.251191] ================================================================== [ 19.251602] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 19.251602] [ 19.251823] Use-after-free read at 0x(____ptrval____) (in kfence-#86): [ 19.252108] test_use_after_free_read+0x129/0x270 [ 19.252238] kunit_try_run_case+0x1a5/0x480 [ 19.252403] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.252594] kthread+0x337/0x6f0 [ 19.252687] ret_from_fork+0x116/0x1d0 [ 19.252870] ret_from_fork_asm+0x1a/0x30 [ 19.253112] [ 19.253250] kfence-#86: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 19.253250] [ 19.253470] allocated by task 315 on cpu 0 at 19.251042s (0.002425s ago): [ 19.253716] test_alloc+0x2a6/0x10f0 [ 19.253880] test_use_after_free_read+0xdc/0x270 [ 19.253987] kunit_try_run_case+0x1a5/0x480 [ 19.254084] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.254256] kthread+0x337/0x6f0 [ 19.254495] ret_from_fork+0x116/0x1d0 [ 19.254705] ret_from_fork_asm+0x1a/0x30 [ 19.254965] [ 19.255092] freed by task 315 on cpu 0 at 19.251094s (0.003994s ago): [ 19.255332] test_use_after_free_read+0xfb/0x270 [ 19.255494] kunit_try_run_case+0x1a5/0x480 [ 19.255595] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.255707] kthread+0x337/0x6f0 [ 19.255925] ret_from_fork+0x116/0x1d0 [ 19.256148] ret_from_fork_asm+0x1a/0x30 [ 19.256374] [ 19.256517] CPU: 0 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250515 #1 PREEMPT(voluntary) [ 19.256771] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.256867] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.257083] ================================================================== [ 19.147373] ================================================================== [ 19.147783] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 19.147783] [ 19.148026] Use-after-free read at 0x(____ptrval____) (in kfence-#85): [ 19.148246] test_use_after_free_read+0x129/0x270 [ 19.148543] kunit_try_run_case+0x1a5/0x480 [ 19.148651] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.148766] kthread+0x337/0x6f0 [ 19.149006] ret_from_fork+0x116/0x1d0 [ 19.149265] ret_from_fork_asm+0x1a/0x30 [ 19.149525] [ 19.149612] kfence-#85: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 19.149612] [ 19.149794] allocated by task 313 on cpu 1 at 19.147056s (0.002736s ago): [ 19.150192] test_alloc+0x364/0x10f0 [ 19.150301] test_use_after_free_read+0xdc/0x270 [ 19.150421] kunit_try_run_case+0x1a5/0x480 [ 19.150572] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.150867] kthread+0x337/0x6f0 [ 19.151083] ret_from_fork+0x116/0x1d0 [ 19.151354] ret_from_fork_asm+0x1a/0x30 [ 19.151528] [ 19.151753] freed by task 313 on cpu 1 at 19.147152s (0.004500s ago): [ 19.152166] test_use_after_free_read+0x1e7/0x270 [ 19.152344] kunit_try_run_case+0x1a5/0x480 [ 19.152571] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.152778] kthread+0x337/0x6f0 [ 19.152868] ret_from_fork+0x116/0x1d0 [ 19.153102] ret_from_fork_asm+0x1a/0x30 [ 19.153267] [ 19.153353] CPU: 1 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250515 #1 PREEMPT(voluntary) [ 19.153843] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.153997] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.154158] ==================================================================