Date
July 3, 2025, 3:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.466720] ================================================================== [ 20.466818] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 20.466818] [ 20.466906] Use-after-free read at 0x00000000055fc2f0 (in kfence-#96): [ 20.466973] test_use_after_free_read+0x114/0x248 [ 20.467019] kunit_try_run_case+0x170/0x3f0 [ 20.467064] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.467108] kthread+0x328/0x630 [ 20.467149] ret_from_fork+0x10/0x20 [ 20.467189] [ 20.467215] kfence-#96: 0x00000000055fc2f0-0x000000004776c689, size=32, cache=test [ 20.467215] [ 20.467265] allocated by task 300 on cpu 1 at 20.466544s (0.000717s ago): [ 20.467336] test_alloc+0x230/0x628 [ 20.467375] test_use_after_free_read+0xd0/0x248 [ 20.467420] kunit_try_run_case+0x170/0x3f0 [ 20.467462] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.467507] kthread+0x328/0x630 [ 20.467545] ret_from_fork+0x10/0x20 [ 20.467584] [ 20.467608] freed by task 300 on cpu 1 at 20.466602s (0.001003s ago): [ 20.467704] test_use_after_free_read+0xf0/0x248 [ 20.467746] kunit_try_run_case+0x170/0x3f0 [ 20.467787] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.467832] kthread+0x328/0x630 [ 20.467869] ret_from_fork+0x10/0x20 [ 20.467908] [ 20.467962] CPU: 1 UID: 0 PID: 300 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT [ 20.468039] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.468069] Hardware name: linux,dummy-virt (DT) [ 20.468101] ================================================================== [ 20.362914] ================================================================== [ 20.363049] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 20.363049] [ 20.363156] Use-after-free read at 0x00000000f15cdb58 (in kfence-#95): [ 20.363210] test_use_after_free_read+0x114/0x248 [ 20.363256] kunit_try_run_case+0x170/0x3f0 [ 20.363303] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.363346] kthread+0x328/0x630 [ 20.363389] ret_from_fork+0x10/0x20 [ 20.363429] [ 20.363454] kfence-#95: 0x00000000f15cdb58-0x00000000a6f5e360, size=32, cache=kmalloc-32 [ 20.363454] [ 20.363506] allocated by task 298 on cpu 1 at 20.362606s (0.000896s ago): [ 20.363578] test_alloc+0x29c/0x628 [ 20.363617] test_use_after_free_read+0xd0/0x248 [ 20.363656] kunit_try_run_case+0x170/0x3f0 [ 20.363699] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.363744] kthread+0x328/0x630 [ 20.363782] ret_from_fork+0x10/0x20 [ 20.363826] [ 20.363976] freed by task 298 on cpu 1 at 20.362682s (0.001204s ago): [ 20.364085] test_use_after_free_read+0x1c0/0x248 [ 20.364126] kunit_try_run_case+0x170/0x3f0 [ 20.364167] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.364212] kthread+0x328/0x630 [ 20.364250] ret_from_fork+0x10/0x20 [ 20.364303] [ 20.364351] CPU: 1 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT [ 20.364429] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.364459] Hardware name: linux,dummy-virt (DT) [ 20.364494] ==================================================================
[ 16.681729] ================================================================== [ 16.682108] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.682108] [ 16.682875] Use-after-free read at 0x(____ptrval____) (in kfence-#73): [ 16.683563] test_use_after_free_read+0x129/0x270 [ 16.683791] kunit_try_run_case+0x1a5/0x480 [ 16.684269] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.684591] kthread+0x337/0x6f0 [ 16.684769] ret_from_fork+0x41/0x80 [ 16.685068] ret_from_fork_asm+0x1a/0x30 [ 16.685210] [ 16.685297] kfence-#73: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 16.685297] [ 16.685566] allocated by task 317 on cpu 0 at 16.681598s (0.003965s ago): [ 16.686194] test_alloc+0x2a6/0x10f0 [ 16.686579] test_use_after_free_read+0xdc/0x270 [ 16.686853] kunit_try_run_case+0x1a5/0x480 [ 16.687067] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.687336] kthread+0x337/0x6f0 [ 16.687576] ret_from_fork+0x41/0x80 [ 16.687777] ret_from_fork_asm+0x1a/0x30 [ 16.687974] [ 16.688085] freed by task 317 on cpu 0 at 16.681641s (0.006442s ago): [ 16.688428] test_use_after_free_read+0xfb/0x270 [ 16.688703] kunit_try_run_case+0x1a5/0x480 [ 16.688922] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.689144] kthread+0x337/0x6f0 [ 16.689359] ret_from_fork+0x41/0x80 [ 16.689547] ret_from_fork_asm+0x1a/0x30 [ 16.689709] [ 16.689832] CPU: 0 UID: 0 PID: 317 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT(voluntary) [ 16.690263] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.690476] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.690910] ================================================================== [ 16.577814] ================================================================== [ 16.578262] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.578262] [ 16.579033] Use-after-free read at 0x(____ptrval____) (in kfence-#72): [ 16.579345] test_use_after_free_read+0x129/0x270 [ 16.579566] kunit_try_run_case+0x1a5/0x480 [ 16.580171] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.580433] kthread+0x337/0x6f0 [ 16.580606] ret_from_fork+0x41/0x80 [ 16.580979] ret_from_fork_asm+0x1a/0x30 [ 16.581177] [ 16.581276] kfence-#72: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 16.581276] [ 16.581675] allocated by task 315 on cpu 1 at 16.577609s (0.004064s ago): [ 16.581984] test_alloc+0x364/0x10f0 [ 16.582151] test_use_after_free_read+0xdc/0x270 [ 16.582376] kunit_try_run_case+0x1a5/0x480 [ 16.582570] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.583340] kthread+0x337/0x6f0 [ 16.583504] ret_from_fork+0x41/0x80 [ 16.583688] ret_from_fork_asm+0x1a/0x30 [ 16.584126] [ 16.584358] freed by task 315 on cpu 1 at 16.577658s (0.006615s ago): [ 16.584845] test_use_after_free_read+0x1e7/0x270 [ 16.585159] kunit_try_run_case+0x1a5/0x480 [ 16.585374] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.585765] kthread+0x337/0x6f0 [ 16.586000] ret_from_fork+0x41/0x80 [ 16.586147] ret_from_fork_asm+0x1a/0x30 [ 16.586534] [ 16.586671] CPU: 1 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT(voluntary) [ 16.587228] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.587495] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.587936] ==================================================================