Date
June 3, 2025, 7:38 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.517582] ================================================================== [ 22.518012] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.518012] [ 22.518202] Use-after-free read at 0x00000000a14afa81 (in kfence-#87): [ 22.518520] test_use_after_free_read+0x114/0x248 [ 22.518714] kunit_try_run_case+0x170/0x3f0 [ 22.518862] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.519157] kthread+0x328/0x630 [ 22.519303] ret_from_fork+0x10/0x20 [ 22.519710] [ 22.519797] kfence-#87: 0x00000000a14afa81-0x00000000646ee562, size=32, cache=kmalloc-32 [ 22.519797] [ 22.519901] allocated by task 295 on cpu 1 at 22.516773s (0.003102s ago): [ 22.519974] test_alloc+0x29c/0x628 [ 22.520013] test_use_after_free_read+0xd0/0x248 [ 22.520055] kunit_try_run_case+0x170/0x3f0 [ 22.520095] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.520242] kthread+0x328/0x630 [ 22.520282] ret_from_fork+0x10/0x20 [ 22.520550] [ 22.521118] freed by task 295 on cpu 1 at 22.516867s (0.003986s ago): [ 22.521323] test_use_after_free_read+0x1c0/0x248 [ 22.521736] kunit_try_run_case+0x170/0x3f0 [ 22.521931] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.521984] kthread+0x328/0x630 [ 22.522020] ret_from_fork+0x10/0x20 [ 22.522080] [ 22.522132] CPU: 1 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT [ 22.522406] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.522590] Hardware name: linux,dummy-virt (DT) [ 22.522671] ================================================================== [ 22.622144] ================================================================== [ 22.622227] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.622227] [ 22.622606] Use-after-free read at 0x00000000e86ddff5 (in kfence-#88): [ 22.622669] test_use_after_free_read+0x114/0x248 [ 22.622771] kunit_try_run_case+0x170/0x3f0 [ 22.622816] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.622860] kthread+0x328/0x630 [ 22.623162] ret_from_fork+0x10/0x20 [ 22.623295] [ 22.623323] kfence-#88: 0x00000000e86ddff5-0x00000000516e3525, size=32, cache=test [ 22.623323] [ 22.623396] allocated by task 297 on cpu 1 at 22.621548s (0.001834s ago): [ 22.623817] test_alloc+0x230/0x628 [ 22.623884] test_use_after_free_read+0xd0/0x248 [ 22.623953] kunit_try_run_case+0x170/0x3f0 [ 22.624112] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.624219] kthread+0x328/0x630 [ 22.624316] ret_from_fork+0x10/0x20 [ 22.624601] [ 22.624782] freed by task 297 on cpu 1 at 22.621613s (0.003135s ago): [ 22.625223] test_use_after_free_read+0xf0/0x248 [ 22.625330] kunit_try_run_case+0x170/0x3f0 [ 22.625589] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.625759] kthread+0x328/0x630 [ 22.626073] ret_from_fork+0x10/0x20 [ 22.626272] [ 22.626465] CPU: 1 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT [ 22.626579] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.627022] Hardware name: linux,dummy-virt (DT) [ 22.627194] ==================================================================
[ 21.197528] ================================================================== [ 21.197991] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 21.197991] [ 21.198371] Use-after-free read at 0x(____ptrval____) (in kfence-#94): [ 21.198914] test_use_after_free_read+0x129/0x270 [ 21.199212] kunit_try_run_case+0x1a5/0x480 [ 21.199713] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.200094] kthread+0x337/0x6f0 [ 21.200463] ret_from_fork+0x116/0x1d0 [ 21.200743] ret_from_fork_asm+0x1a/0x30 [ 21.201021] [ 21.201180] kfence-#94: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 21.201180] [ 21.201893] allocated by task 314 on cpu 1 at 21.197287s (0.004601s ago): [ 21.202663] test_alloc+0x2a6/0x10f0 [ 21.202894] test_use_after_free_read+0xdc/0x270 [ 21.203118] kunit_try_run_case+0x1a5/0x480 [ 21.203544] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.204019] kthread+0x337/0x6f0 [ 21.204307] ret_from_fork+0x116/0x1d0 [ 21.204573] ret_from_fork_asm+0x1a/0x30 [ 21.204993] [ 21.205188] freed by task 314 on cpu 1 at 21.197388s (0.007795s ago): [ 21.205656] test_use_after_free_read+0xfb/0x270 [ 21.205926] kunit_try_run_case+0x1a5/0x480 [ 21.206294] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.206736] kthread+0x337/0x6f0 [ 21.207161] ret_from_fork+0x116/0x1d0 [ 21.207480] ret_from_fork_asm+0x1a/0x30 [ 21.207699] [ 21.207939] CPU: 1 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT(voluntary) [ 21.209074] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.209409] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.209943] ================================================================== [ 21.094659] ================================================================== [ 21.095328] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 21.095328] [ 21.096005] Use-after-free read at 0x(____ptrval____) (in kfence-#93): [ 21.096571] test_use_after_free_read+0x129/0x270 [ 21.096965] kunit_try_run_case+0x1a5/0x480 [ 21.097184] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.097865] kthread+0x337/0x6f0 [ 21.098443] ret_from_fork+0x116/0x1d0 [ 21.099133] ret_from_fork_asm+0x1a/0x30 [ 21.099681] [ 21.099846] kfence-#93: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 21.099846] [ 21.101158] allocated by task 312 on cpu 1 at 21.094266s (0.006886s ago): [ 21.101569] test_alloc+0x364/0x10f0 [ 21.101938] test_use_after_free_read+0xdc/0x270 [ 21.102385] kunit_try_run_case+0x1a5/0x480 [ 21.102805] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.103052] kthread+0x337/0x6f0 [ 21.103468] ret_from_fork+0x116/0x1d0 [ 21.103832] ret_from_fork_asm+0x1a/0x30 [ 21.104055] [ 21.104184] freed by task 312 on cpu 1 at 21.094392s (0.009789s ago): [ 21.104444] test_use_after_free_read+0x1e7/0x270 [ 21.104723] kunit_try_run_case+0x1a5/0x480 [ 21.104950] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.105903] kthread+0x337/0x6f0 [ 21.106271] ret_from_fork+0x116/0x1d0 [ 21.106737] ret_from_fork_asm+0x1a/0x30 [ 21.107333] [ 21.107539] CPU: 1 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250603 #1 PREEMPT(voluntary) [ 21.108214] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.108504] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.109053] ==================================================================