Date
July 15, 2025, 11:35 a.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 117.548904] ================================================================== [ 117.549024] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 117.549024] [ 117.549170] Use-after-free read at 0x(____ptrval____) (in kfence-#221): [ 117.554172] test_krealloc+0x51c/0x830 [ 117.557904] kunit_try_run_case+0x170/0x3f0 [ 117.562071] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 117.567539] kthread+0x328/0x630 [ 117.570751] ret_from_fork+0x10/0x20 [ 117.574310] [ 117.575789] kfence-#221: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 117.575789] [ 117.585426] allocated by task 418 on cpu 5 at 117.548811s (0.036611s ago): [ 117.592300] test_alloc+0x29c/0x628 [ 117.595750] test_krealloc+0xc0/0x830 [ 117.599396] kunit_try_run_case+0x170/0x3f0 [ 117.603563] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 117.609031] kthread+0x328/0x630 [ 117.612246] ret_from_fork+0x10/0x20 [ 117.615804] [ 117.617280] freed by task 418 on cpu 5 at 117.548840s (0.068438s ago): [ 117.623810] krealloc_noprof+0x148/0x360 [ 117.627696] test_krealloc+0x1dc/0x830 [ 117.631427] kunit_try_run_case+0x170/0x3f0 [ 117.635594] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 117.641062] kthread+0x328/0x630 [ 117.644274] ret_from_fork+0x10/0x20 [ 117.647834] [ 117.649320] CPU: 5 UID: 0 PID: 418 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 117.660433] Tainted: [B]=BAD_PAGE, [N]=TEST [ 117.664587] Hardware name: WinLink E850-96 board (DT) [ 117.669624] ==================================================================
[ 65.471425] ================================================================== [ 65.471513] BUG: KFENCE: use-after-free read in test_krealloc+0x51c/0x830 [ 65.471513] [ 65.471609] Use-after-free read at 0x000000005e76e40e (in kfence-#204): [ 65.471661] test_krealloc+0x51c/0x830 [ 65.471710] kunit_try_run_case+0x170/0x3f0 [ 65.471756] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 65.471800] kthread+0x328/0x630 [ 65.471840] ret_from_fork+0x10/0x20 [ 65.471882] [ 65.471905] kfence-#204: 0x000000005e76e40e-0x00000000ed53f551, size=32, cache=kmalloc-32 [ 65.471905] [ 65.471957] allocated by task 369 on cpu 0 at 65.470771s (0.001182s ago): [ 65.472029] test_alloc+0x29c/0x628 [ 65.472071] test_krealloc+0xc0/0x830 [ 65.472112] kunit_try_run_case+0x170/0x3f0 [ 65.472152] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 65.472195] kthread+0x328/0x630 [ 65.472231] ret_from_fork+0x10/0x20 [ 65.472270] [ 65.472294] freed by task 369 on cpu 0 at 65.471018s (0.001272s ago): [ 65.472355] krealloc_noprof+0x148/0x360 [ 65.472397] test_krealloc+0x1dc/0x830 [ 65.472448] kunit_try_run_case+0x170/0x3f0 [ 65.472487] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 65.472530] kthread+0x328/0x630 [ 65.472565] ret_from_fork+0x10/0x20 [ 65.472603] [ 65.472649] CPU: 0 UID: 0 PID: 369 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 65.472726] Tainted: [B]=BAD_PAGE, [N]=TEST [ 65.472756] Hardware name: linux,dummy-virt (DT) [ 65.472790] ==================================================================
[ 60.766473] ================================================================== [ 60.766906] BUG: KFENCE: use-after-free read in test_krealloc+0x6fc/0xbe0 [ 60.766906] [ 60.767258] Use-after-free read at 0x(____ptrval____) (in kfence-#163): [ 60.767525] test_krealloc+0x6fc/0xbe0 [ 60.767717] kunit_try_run_case+0x1a5/0x480 [ 60.768296] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 60.768535] kthread+0x337/0x6f0 [ 60.768704] ret_from_fork+0x116/0x1d0 [ 60.768887] ret_from_fork_asm+0x1a/0x30 [ 60.769410] [ 60.769504] kfence-#163: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 60.769504] [ 60.770054] allocated by task 385 on cpu 1 at 60.765874s (0.004178s ago): [ 60.770424] test_alloc+0x364/0x10f0 [ 60.770590] test_krealloc+0xad/0xbe0 [ 60.770757] kunit_try_run_case+0x1a5/0x480 [ 60.771141] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 60.771443] kthread+0x337/0x6f0 [ 60.771578] ret_from_fork+0x116/0x1d0 [ 60.771842] ret_from_fork_asm+0x1a/0x30 [ 60.772129] [ 60.772221] freed by task 385 on cpu 1 at 60.766089s (0.006130s ago): [ 60.772623] krealloc_noprof+0x108/0x340 [ 60.772887] test_krealloc+0x226/0xbe0 [ 60.773145] kunit_try_run_case+0x1a5/0x480 [ 60.773399] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 60.773602] kthread+0x337/0x6f0 [ 60.773761] ret_from_fork+0x116/0x1d0 [ 60.773967] ret_from_fork_asm+0x1a/0x30 [ 60.774447] [ 60.774548] CPU: 1 UID: 0 PID: 385 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT(voluntary) [ 60.775297] Tainted: [B]=BAD_PAGE, [N]=TEST [ 60.775555] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 60.776008] ==================================================================