Date
June 16, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 24.286530] ================================================================== [ 24.286685] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 24.286685] [ 24.286881] Use-after-free read at 0x0000000094f13ee0 (in kfence-#125): [ 24.287003] test_use_after_free_read+0x114/0x248 [ 24.287113] kunit_try_run_case+0x170/0x3f0 [ 24.287217] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.287325] kthread+0x328/0x630 [ 24.287421] ret_from_fork+0x10/0x20 [ 24.287511] [ 24.287570] kfence-#125: 0x0000000094f13ee0-0x00000000c80bc3a1, size=32, cache=test [ 24.287570] [ 24.287693] allocated by task 306 on cpu 0 at 24.285970s (0.001715s ago): [ 24.287852] test_alloc+0x230/0x628 [ 24.287956] test_use_after_free_read+0xd0/0x248 [ 24.288055] kunit_try_run_case+0x170/0x3f0 [ 24.288154] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.288265] kthread+0x328/0x630 [ 24.288352] ret_from_fork+0x10/0x20 [ 24.288435] [ 24.288751] freed by task 306 on cpu 0 at 24.286316s (0.002425s ago): [ 24.289247] test_use_after_free_read+0xf0/0x248 [ 24.289515] kunit_try_run_case+0x170/0x3f0 [ 24.289604] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.289734] kthread+0x328/0x630 [ 24.289831] ret_from_fork+0x10/0x20 [ 24.290131] [ 24.290261] CPU: 0 UID: 0 PID: 306 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT [ 24.290479] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.290561] Hardware name: linux,dummy-virt (DT) [ 24.290657] ================================================================== [ 24.183967] ================================================================== [ 24.184365] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 24.184365] [ 24.184574] Use-after-free read at 0x0000000003ad17ab (in kfence-#124): [ 24.184691] test_use_after_free_read+0x114/0x248 [ 24.185379] kunit_try_run_case+0x170/0x3f0 [ 24.185917] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.186124] kthread+0x328/0x630 [ 24.186287] ret_from_fork+0x10/0x20 [ 24.186407] [ 24.186474] kfence-#124: 0x0000000003ad17ab-0x00000000e7a88a39, size=32, cache=kmalloc-32 [ 24.186474] [ 24.186963] allocated by task 304 on cpu 0 at 24.182958s (0.003992s ago): [ 24.187212] test_alloc+0x29c/0x628 [ 24.187365] test_use_after_free_read+0xd0/0x248 [ 24.187666] kunit_try_run_case+0x170/0x3f0 [ 24.187941] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.188242] kthread+0x328/0x630 [ 24.188501] ret_from_fork+0x10/0x20 [ 24.188628] [ 24.189524] freed by task 304 on cpu 0 at 24.183096s (0.005649s ago): [ 24.189876] test_use_after_free_read+0x1c0/0x248 [ 24.190218] kunit_try_run_case+0x170/0x3f0 [ 24.190347] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.190472] kthread+0x328/0x630 [ 24.190753] ret_from_fork+0x10/0x20 [ 24.191093] [ 24.191203] CPU: 0 UID: 0 PID: 304 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT [ 24.191396] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.191466] Hardware name: linux,dummy-virt (DT) [ 24.191550] ==================================================================
[ 17.524949] ================================================================== [ 17.525350] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.525350] [ 17.525807] Use-after-free read at 0x(____ptrval____) (in kfence-#78): [ 17.526133] test_use_after_free_read+0x129/0x270 [ 17.526290] kunit_try_run_case+0x1a5/0x480 [ 17.526431] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.526675] kthread+0x337/0x6f0 [ 17.526890] ret_from_fork+0x116/0x1d0 [ 17.527087] ret_from_fork_asm+0x1a/0x30 [ 17.527323] [ 17.527433] kfence-#78: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 17.527433] [ 17.527971] allocated by task 323 on cpu 0 at 17.524774s (0.003194s ago): [ 17.528206] test_alloc+0x2a6/0x10f0 [ 17.528327] test_use_after_free_read+0xdc/0x270 [ 17.528536] kunit_try_run_case+0x1a5/0x480 [ 17.528764] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.529073] kthread+0x337/0x6f0 [ 17.529296] ret_from_fork+0x116/0x1d0 [ 17.529497] ret_from_fork_asm+0x1a/0x30 [ 17.529699] [ 17.529766] freed by task 323 on cpu 0 at 17.524831s (0.004933s ago): [ 17.529987] test_use_after_free_read+0xfb/0x270 [ 17.530173] kunit_try_run_case+0x1a5/0x480 [ 17.530379] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.530646] kthread+0x337/0x6f0 [ 17.530828] ret_from_fork+0x116/0x1d0 [ 17.531035] ret_from_fork_asm+0x1a/0x30 [ 17.531244] [ 17.531338] CPU: 0 UID: 0 PID: 323 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT(voluntary) [ 17.531965] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.532149] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.532624] ================================================================== [ 17.420846] ================================================================== [ 17.421290] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.421290] [ 17.421991] Use-after-free read at 0x(____ptrval____) (in kfence-#77): [ 17.422313] test_use_after_free_read+0x129/0x270 [ 17.422574] kunit_try_run_case+0x1a5/0x480 [ 17.422781] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.422957] kthread+0x337/0x6f0 [ 17.423072] ret_from_fork+0x116/0x1d0 [ 17.423279] ret_from_fork_asm+0x1a/0x30 [ 17.423593] [ 17.423691] kfence-#77: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.423691] [ 17.424138] allocated by task 321 on cpu 1 at 17.420634s (0.003501s ago): [ 17.424522] test_alloc+0x364/0x10f0 [ 17.424710] test_use_after_free_read+0xdc/0x270 [ 17.424938] kunit_try_run_case+0x1a5/0x480 [ 17.425164] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.425363] kthread+0x337/0x6f0 [ 17.425545] ret_from_fork+0x116/0x1d0 [ 17.425775] ret_from_fork_asm+0x1a/0x30 [ 17.426020] [ 17.426241] freed by task 321 on cpu 1 at 17.420696s (0.005463s ago): [ 17.426682] test_use_after_free_read+0x1e7/0x270 [ 17.426969] kunit_try_run_case+0x1a5/0x480 [ 17.427199] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.427452] kthread+0x337/0x6f0 [ 17.427648] ret_from_fork+0x116/0x1d0 [ 17.427846] ret_from_fork_asm+0x1a/0x30 [ 17.428073] [ 17.428197] CPU: 1 UID: 0 PID: 321 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250616 #1 PREEMPT(voluntary) [ 17.428739] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.428872] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.429311] ==================================================================