Date
July 11, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.709886] ================================================================== [ 20.710157] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 20.710157] [ 20.710279] Use-after-free read at 0x00000000454d10b2 (in kfence-#90): [ 20.710635] test_use_after_free_read+0x114/0x248 [ 20.710710] kunit_try_run_case+0x170/0x3f0 [ 20.710917] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.710965] kthread+0x328/0x630 [ 20.711003] ret_from_fork+0x10/0x20 [ 20.711374] [ 20.711421] kfence-#90: 0x00000000454d10b2-0x00000000d91a6a87, size=32, cache=kmalloc-32 [ 20.711421] [ 20.711478] allocated by task 296 on cpu 1 at 20.708908s (0.002567s ago): [ 20.711583] test_alloc+0x29c/0x628 [ 20.711633] test_use_after_free_read+0xd0/0x248 [ 20.711674] kunit_try_run_case+0x170/0x3f0 [ 20.711714] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.711759] kthread+0x328/0x630 [ 20.711804] ret_from_fork+0x10/0x20 [ 20.711878] [ 20.712077] freed by task 296 on cpu 1 at 20.709478s (0.002471s ago): [ 20.712200] test_use_after_free_read+0x1c0/0x248 [ 20.712263] kunit_try_run_case+0x170/0x3f0 [ 20.712311] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.712361] kthread+0x328/0x630 [ 20.712397] ret_from_fork+0x10/0x20 [ 20.712457] [ 20.712533] CPU: 1 UID: 0 PID: 296 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 20.712635] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.712664] Hardware name: linux,dummy-virt (DT) [ 20.712719] ================================================================== [ 20.814139] ================================================================== [ 20.814270] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 20.814270] [ 20.814364] Use-after-free read at 0x000000006cc31829 (in kfence-#91): [ 20.814433] test_use_after_free_read+0x114/0x248 [ 20.814915] kunit_try_run_case+0x170/0x3f0 [ 20.815074] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.815121] kthread+0x328/0x630 [ 20.815395] ret_from_fork+0x10/0x20 [ 20.816100] [ 20.816169] kfence-#91: 0x000000006cc31829-0x000000009221e2b0, size=32, cache=test [ 20.816169] [ 20.816429] allocated by task 298 on cpu 1 at 20.813600s (0.002825s ago): [ 20.816538] test_alloc+0x230/0x628 [ 20.816886] test_use_after_free_read+0xd0/0x248 [ 20.817018] kunit_try_run_case+0x170/0x3f0 [ 20.817286] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.817462] kthread+0x328/0x630 [ 20.817550] ret_from_fork+0x10/0x20 [ 20.817653] [ 20.817708] freed by task 298 on cpu 1 at 20.813784s (0.003921s ago): [ 20.818267] test_use_after_free_read+0xf0/0x248 [ 20.818382] kunit_try_run_case+0x170/0x3f0 [ 20.818903] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.819016] kthread+0x328/0x630 [ 20.819258] ret_from_fork+0x10/0x20 [ 20.819413] [ 20.819763] CPU: 1 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 20.819877] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.819946] Hardware name: linux,dummy-virt (DT) [ 20.819985] ==================================================================
[ 18.583482] ================================================================== [ 18.584066] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.584066] [ 18.584429] Use-after-free read at 0x(____ptrval____) (in kfence-#77): [ 18.584744] test_use_after_free_read+0x129/0x270 [ 18.584928] kunit_try_run_case+0x1a5/0x480 [ 18.585179] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.585449] kthread+0x337/0x6f0 [ 18.585577] ret_from_fork+0x116/0x1d0 [ 18.585765] ret_from_fork_asm+0x1a/0x30 [ 18.585968] [ 18.586070] kfence-#77: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 18.586070] [ 18.586432] allocated by task 314 on cpu 0 at 18.583340s (0.003089s ago): [ 18.586665] test_alloc+0x2a6/0x10f0 [ 18.586985] test_use_after_free_read+0xdc/0x270 [ 18.587254] kunit_try_run_case+0x1a5/0x480 [ 18.587493] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.587750] kthread+0x337/0x6f0 [ 18.587932] ret_from_fork+0x116/0x1d0 [ 18.588091] ret_from_fork_asm+0x1a/0x30 [ 18.588294] [ 18.588399] freed by task 314 on cpu 0 at 18.583392s (0.005004s ago): [ 18.588689] test_use_after_free_read+0xfb/0x270 [ 18.589113] kunit_try_run_case+0x1a5/0x480 [ 18.589270] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.589448] kthread+0x337/0x6f0 [ 18.589583] ret_from_fork+0x116/0x1d0 [ 18.589782] ret_from_fork_asm+0x1a/0x30 [ 18.590003] [ 18.590125] CPU: 0 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 18.590549] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.590758] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.591183] ================================================================== [ 18.479591] ================================================================== [ 18.480215] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.480215] [ 18.480562] Use-after-free read at 0x(____ptrval____) (in kfence-#76): [ 18.480952] test_use_after_free_read+0x129/0x270 [ 18.481185] kunit_try_run_case+0x1a5/0x480 [ 18.481491] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.481724] kthread+0x337/0x6f0 [ 18.481859] ret_from_fork+0x116/0x1d0 [ 18.482062] ret_from_fork_asm+0x1a/0x30 [ 18.482235] [ 18.482334] kfence-#76: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 18.482334] [ 18.482722] allocated by task 312 on cpu 0 at 18.479365s (0.003355s ago): [ 18.483023] test_alloc+0x364/0x10f0 [ 18.483212] test_use_after_free_read+0xdc/0x270 [ 18.483404] kunit_try_run_case+0x1a5/0x480 [ 18.483588] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.483864] kthread+0x337/0x6f0 [ 18.484042] ret_from_fork+0x116/0x1d0 [ 18.484231] ret_from_fork_asm+0x1a/0x30 [ 18.484401] [ 18.484497] freed by task 312 on cpu 0 at 18.479435s (0.005060s ago): [ 18.484763] test_use_after_free_read+0x1e7/0x270 [ 18.484980] kunit_try_run_case+0x1a5/0x480 [ 18.485180] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.485368] kthread+0x337/0x6f0 [ 18.485490] ret_from_fork+0x116/0x1d0 [ 18.485622] ret_from_fork_asm+0x1a/0x30 [ 18.485828] [ 18.485960] CPU: 0 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 18.486387] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.486537] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.486973] ==================================================================