Date
July 5, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.738341] ================================================================== [ 22.738628] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.738628] [ 22.738741] Use-after-free read at 0x00000000ee9fe3b2 (in kfence-#87): [ 22.738837] test_use_after_free_read+0x114/0x248 [ 22.738891] kunit_try_run_case+0x170/0x3f0 [ 22.738935] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.739279] kthread+0x328/0x630 [ 22.739342] ret_from_fork+0x10/0x20 [ 22.739387] [ 22.739412] kfence-#87: 0x00000000ee9fe3b2-0x00000000b351db43, size=32, cache=kmalloc-32 [ 22.739412] [ 22.739634] allocated by task 295 on cpu 0 at 22.737830s (0.001772s ago): [ 22.740977] test_alloc+0x29c/0x628 [ 22.742385] test_use_after_free_read+0xd0/0x248 [ 22.743227] kunit_try_run_case+0x170/0x3f0 [ 22.743286] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.743332] kthread+0x328/0x630 [ 22.743368] ret_from_fork+0x10/0x20 [ 22.743423] [ 22.743572] freed by task 295 on cpu 0 at 22.737951s (0.005525s ago): [ 22.743688] test_use_after_free_read+0x1c0/0x248 [ 22.743735] kunit_try_run_case+0x170/0x3f0 [ 22.743773] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.743820] kthread+0x328/0x630 [ 22.743858] ret_from_fork+0x10/0x20 [ 22.743910] [ 22.745509] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 22.746255] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.746290] Hardware name: linux,dummy-virt (DT) [ 22.746326] ================================================================== [ 22.844955] ================================================================== [ 22.845036] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.845036] [ 22.845187] Use-after-free read at 0x0000000083a7e1f4 (in kfence-#88): [ 22.845283] test_use_after_free_read+0x114/0x248 [ 22.845359] kunit_try_run_case+0x170/0x3f0 [ 22.845403] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.845448] kthread+0x328/0x630 [ 22.845484] ret_from_fork+0x10/0x20 [ 22.845633] [ 22.845767] kfence-#88: 0x0000000083a7e1f4-0x000000008ef0e3f4, size=32, cache=test [ 22.845767] [ 22.845828] allocated by task 297 on cpu 0 at 22.844576s (0.001240s ago): [ 22.845899] test_alloc+0x230/0x628 [ 22.845981] test_use_after_free_read+0xd0/0x248 [ 22.846026] kunit_try_run_case+0x170/0x3f0 [ 22.846066] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.846109] kthread+0x328/0x630 [ 22.846145] ret_from_fork+0x10/0x20 [ 22.846266] [ 22.846407] freed by task 297 on cpu 0 at 22.844732s (0.001669s ago): [ 22.846515] test_use_after_free_read+0xf0/0x248 [ 22.846579] kunit_try_run_case+0x170/0x3f0 [ 22.846628] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.846671] kthread+0x328/0x630 [ 22.846708] ret_from_fork+0x10/0x20 [ 22.846849] [ 22.847004] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 22.847083] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.847111] Hardware name: linux,dummy-virt (DT) [ 22.847245] ==================================================================
[ 19.871694] ================================================================== [ 19.872201] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 19.872201] [ 19.872692] Use-after-free read at 0x(____ptrval____) (in kfence-#86): [ 19.873053] test_use_after_free_read+0x129/0x270 [ 19.873367] kunit_try_run_case+0x1a5/0x480 [ 19.873541] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.873734] kthread+0x337/0x6f0 [ 19.873948] ret_from_fork+0x116/0x1d0 [ 19.874221] ret_from_fork_asm+0x1a/0x30 [ 19.874504] [ 19.874627] kfence-#86: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 19.874627] [ 19.875235] allocated by task 315 on cpu 0 at 19.871530s (0.003701s ago): [ 19.876352] test_alloc+0x2a6/0x10f0 [ 19.876571] test_use_after_free_read+0xdc/0x270 [ 19.876871] kunit_try_run_case+0x1a5/0x480 [ 19.877111] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.877699] kthread+0x337/0x6f0 [ 19.877919] ret_from_fork+0x116/0x1d0 [ 19.878269] ret_from_fork_asm+0x1a/0x30 [ 19.878608] [ 19.878709] freed by task 315 on cpu 0 at 19.871599s (0.007107s ago): [ 19.879363] test_use_after_free_read+0xfb/0x270 [ 19.879639] kunit_try_run_case+0x1a5/0x480 [ 19.880083] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.880464] kthread+0x337/0x6f0 [ 19.880759] ret_from_fork+0x116/0x1d0 [ 19.880994] ret_from_fork_asm+0x1a/0x30 [ 19.881383] [ 19.881718] CPU: 0 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 19.882267] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.882515] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.882958] ================================================================== [ 19.767771] ================================================================== [ 19.768378] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 19.768378] [ 19.768916] Use-after-free read at 0x(____ptrval____) (in kfence-#85): [ 19.769326] test_use_after_free_read+0x129/0x270 [ 19.769549] kunit_try_run_case+0x1a5/0x480 [ 19.769722] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.770028] kthread+0x337/0x6f0 [ 19.770234] ret_from_fork+0x116/0x1d0 [ 19.770482] ret_from_fork_asm+0x1a/0x30 [ 19.770943] [ 19.771046] kfence-#85: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 19.771046] [ 19.771809] allocated by task 313 on cpu 1 at 19.767536s (0.004270s ago): [ 19.772579] test_alloc+0x364/0x10f0 [ 19.772801] test_use_after_free_read+0xdc/0x270 [ 19.773036] kunit_try_run_case+0x1a5/0x480 [ 19.773481] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.773843] kthread+0x337/0x6f0 [ 19.774008] ret_from_fork+0x116/0x1d0 [ 19.774387] ret_from_fork_asm+0x1a/0x30 [ 19.774608] [ 19.774867] freed by task 313 on cpu 1 at 19.767597s (0.007266s ago): [ 19.775247] test_use_after_free_read+0x1e7/0x270 [ 19.775498] kunit_try_run_case+0x1a5/0x480 [ 19.775717] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.776001] kthread+0x337/0x6f0 [ 19.776185] ret_from_fork+0x116/0x1d0 [ 19.776751] ret_from_fork_asm+0x1a/0x30 [ 19.776977] [ 19.777350] CPU: 1 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 19.778013] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.778706] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.779054] ==================================================================