Date
July 4, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.215850] ================================================================== [ 22.215961] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.215961] [ 22.216060] Use-after-free read at 0x00000000bc2391a5 (in kfence-#86): [ 22.216760] test_use_after_free_read+0x114/0x248 [ 22.217076] kunit_try_run_case+0x170/0x3f0 [ 22.217215] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.217267] kthread+0x328/0x630 [ 22.217307] ret_from_fork+0x10/0x20 [ 22.217348] [ 22.217686] kfence-#86: 0x00000000bc2391a5-0x000000008ed0e063, size=32, cache=kmalloc-32 [ 22.217686] [ 22.217912] allocated by task 295 on cpu 1 at 22.215463s (0.002357s ago): [ 22.218124] test_alloc+0x29c/0x628 [ 22.218174] test_use_after_free_read+0xd0/0x248 [ 22.218543] kunit_try_run_case+0x170/0x3f0 [ 22.218610] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.218657] kthread+0x328/0x630 [ 22.218989] ret_from_fork+0x10/0x20 [ 22.219152] [ 22.219363] freed by task 295 on cpu 1 at 22.215579s (0.003744s ago): [ 22.219602] test_use_after_free_read+0x1c0/0x248 [ 22.219672] kunit_try_run_case+0x170/0x3f0 [ 22.219712] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.220570] kthread+0x328/0x630 [ 22.220815] ret_from_fork+0x10/0x20 [ 22.220861] [ 22.221255] CPU: 1 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 22.221466] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.221714] Hardware name: linux,dummy-virt (DT) [ 22.222039] ================================================================== [ 22.324361] ================================================================== [ 22.324436] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.324436] [ 22.324935] Use-after-free read at 0x000000003e14ec0c (in kfence-#87): [ 22.325070] test_use_after_free_read+0x114/0x248 [ 22.325218] kunit_try_run_case+0x170/0x3f0 [ 22.325297] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.325484] kthread+0x328/0x630 [ 22.325721] ret_from_fork+0x10/0x20 [ 22.325781] [ 22.325834] kfence-#87: 0x000000003e14ec0c-0x000000008b8ec671, size=32, cache=test [ 22.325834] [ 22.326129] allocated by task 297 on cpu 1 at 22.324093s (0.002031s ago): [ 22.326513] test_alloc+0x230/0x628 [ 22.326593] test_use_after_free_read+0xd0/0x248 [ 22.326726] kunit_try_run_case+0x170/0x3f0 [ 22.326883] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.326930] kthread+0x328/0x630 [ 22.327050] ret_from_fork+0x10/0x20 [ 22.327091] [ 22.327114] freed by task 297 on cpu 1 at 22.324155s (0.002956s ago): [ 22.327228] test_use_after_free_read+0xf0/0x248 [ 22.327273] kunit_try_run_case+0x170/0x3f0 [ 22.327648] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.327836] kthread+0x328/0x630 [ 22.328007] ret_from_fork+0x10/0x20 [ 22.328163] [ 22.328227] CPU: 1 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 22.328670] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.328777] Hardware name: linux,dummy-virt (DT) [ 22.328848] ==================================================================
[ 17.898794] ================================================================== [ 17.899280] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.899280] [ 17.899688] Use-after-free read at 0x(____ptrval____) (in kfence-#80): [ 17.899974] test_use_after_free_read+0x129/0x270 [ 17.900187] kunit_try_run_case+0x1a5/0x480 [ 17.900367] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.900586] kthread+0x337/0x6f0 [ 17.900714] ret_from_fork+0x116/0x1d0 [ 17.900859] ret_from_fork_asm+0x1a/0x30 [ 17.901203] [ 17.901316] kfence-#80: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.901316] [ 17.901724] allocated by task 312 on cpu 1 at 17.898579s (0.003143s ago): [ 17.901952] test_alloc+0x364/0x10f0 [ 17.902352] test_use_after_free_read+0xdc/0x270 [ 17.902552] kunit_try_run_case+0x1a5/0x480 [ 17.902740] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.902915] kthread+0x337/0x6f0 [ 17.903038] ret_from_fork+0x116/0x1d0 [ 17.903206] ret_from_fork_asm+0x1a/0x30 [ 17.903670] [ 17.903974] freed by task 312 on cpu 1 at 17.898634s (0.005221s ago): [ 17.904643] test_use_after_free_read+0x1e7/0x270 [ 17.905434] kunit_try_run_case+0x1a5/0x480 [ 17.905663] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.905927] kthread+0x337/0x6f0 [ 17.906303] ret_from_fork+0x116/0x1d0 [ 17.906506] ret_from_fork_asm+0x1a/0x30 [ 17.906863] [ 17.907020] CPU: 1 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 17.907745] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.908067] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.908558] ================================================================== [ 18.002741] ================================================================== [ 18.003173] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.003173] [ 18.003933] Use-after-free read at 0x(____ptrval____) (in kfence-#81): [ 18.004145] test_use_after_free_read+0x129/0x270 [ 18.004354] kunit_try_run_case+0x1a5/0x480 [ 18.004509] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.004683] kthread+0x337/0x6f0 [ 18.004817] ret_from_fork+0x116/0x1d0 [ 18.004953] ret_from_fork_asm+0x1a/0x30 [ 18.005094] [ 18.005172] kfence-#81: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 18.005172] [ 18.005525] allocated by task 314 on cpu 0 at 18.002596s (0.002927s ago): [ 18.005761] test_alloc+0x2a6/0x10f0 [ 18.005895] test_use_after_free_read+0xdc/0x270 [ 18.006051] kunit_try_run_case+0x1a5/0x480 [ 18.006200] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.006652] kthread+0x337/0x6f0 [ 18.006949] ret_from_fork+0x116/0x1d0 [ 18.007306] ret_from_fork_asm+0x1a/0x30 [ 18.007657] [ 18.007817] freed by task 314 on cpu 0 at 18.002655s (0.005160s ago): [ 18.008454] test_use_after_free_read+0xfb/0x270 [ 18.008867] kunit_try_run_case+0x1a5/0x480 [ 18.009288] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.009658] kthread+0x337/0x6f0 [ 18.009783] ret_from_fork+0x116/0x1d0 [ 18.009917] ret_from_fork_asm+0x1a/0x30 [ 18.010057] [ 18.010166] CPU: 0 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 18.010638] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.010812] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.011167] ==================================================================