Date
May 26, 2025, 9:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.770350] ================================================================== [ 22.770505] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.770505] [ 22.771022] Use-after-free read at 0x000000000ccb60a1 (in kfence-#106): [ 22.771162] test_use_after_free_read+0x114/0x248 [ 22.771774] kunit_try_run_case+0x170/0x3f0 [ 22.771886] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.771991] kthread+0x328/0x630 [ 22.772422] ret_from_fork+0x10/0x20 [ 22.772598] [ 22.772673] kfence-#106: 0x000000000ccb60a1-0x000000006644583e, size=32, cache=test [ 22.772673] [ 22.773204] allocated by task 297 on cpu 0 at 22.768672s (0.004521s ago): [ 22.773368] test_alloc+0x230/0x628 [ 22.773809] test_use_after_free_read+0xd0/0x248 [ 22.773908] kunit_try_run_case+0x170/0x3f0 [ 22.773989] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.774476] kthread+0x328/0x630 [ 22.774578] ret_from_fork+0x10/0x20 [ 22.774961] [ 22.775059] freed by task 297 on cpu 0 at 22.768773s (0.006277s ago): [ 22.775502] test_use_after_free_read+0xf0/0x248 [ 22.775610] kunit_try_run_case+0x170/0x3f0 [ 22.775700] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.776131] kthread+0x328/0x630 [ 22.776219] ret_from_fork+0x10/0x20 [ 22.776302] [ 22.776892] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7-next-20250526 #1 PREEMPT [ 22.777262] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.777458] Hardware name: linux,dummy-virt (DT) [ 22.777883] ================================================================== [ 22.665748] ================================================================== [ 22.666238] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.666238] [ 22.666859] Use-after-free read at 0x00000000fa56cf99 (in kfence-#105): [ 22.667007] test_use_after_free_read+0x114/0x248 [ 22.667118] kunit_try_run_case+0x170/0x3f0 [ 22.667198] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.667270] kthread+0x328/0x630 [ 22.667349] ret_from_fork+0x10/0x20 [ 22.667410] [ 22.667454] kfence-#105: 0x00000000fa56cf99-0x000000003c485cfb, size=32, cache=kmalloc-32 [ 22.667454] [ 22.667557] allocated by task 295 on cpu 0 at 22.664487s (0.003062s ago): [ 22.667701] test_alloc+0x29c/0x628 [ 22.667786] test_use_after_free_read+0xd0/0x248 [ 22.668212] kunit_try_run_case+0x170/0x3f0 [ 22.668338] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.668708] kthread+0x328/0x630 [ 22.668791] ret_from_fork+0x10/0x20 [ 22.668884] [ 22.668936] freed by task 295 on cpu 0 at 22.664940s (0.003988s ago): [ 22.669074] test_use_after_free_read+0x1c0/0x248 [ 22.669165] kunit_try_run_case+0x170/0x3f0 [ 22.669259] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.670105] kthread+0x328/0x630 [ 22.670209] ret_from_fork+0x10/0x20 [ 22.670403] [ 22.670559] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7-next-20250526 #1 PREEMPT [ 22.670968] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.671118] Hardware name: linux,dummy-virt (DT) [ 22.671202] ==================================================================
[ 16.403454] ================================================================== [ 16.403943] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.403943] [ 16.404366] Use-after-free read at 0x(____ptrval____) (in kfence-#72): [ 16.404958] test_use_after_free_read+0x129/0x270 [ 16.405196] kunit_try_run_case+0x1a5/0x480 [ 16.405400] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.405634] kthread+0x337/0x6f0 [ 16.406163] ret_from_fork+0x116/0x1d0 [ 16.406344] ret_from_fork_asm+0x1a/0x30 [ 16.406565] [ 16.406732] kfence-#72: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 16.406732] [ 16.407281] allocated by task 315 on cpu 0 at 16.403312s (0.003966s ago): [ 16.407760] test_alloc+0x2a6/0x10f0 [ 16.408006] test_use_after_free_read+0xdc/0x270 [ 16.408207] kunit_try_run_case+0x1a5/0x480 [ 16.408417] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.408657] kthread+0x337/0x6f0 [ 16.409022] ret_from_fork+0x116/0x1d0 [ 16.409210] ret_from_fork_asm+0x1a/0x30 [ 16.409593] [ 16.409692] freed by task 315 on cpu 0 at 16.403364s (0.006326s ago): [ 16.410237] test_use_after_free_read+0xfb/0x270 [ 16.410543] kunit_try_run_case+0x1a5/0x480 [ 16.410756] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.411136] kthread+0x337/0x6f0 [ 16.411296] ret_from_fork+0x116/0x1d0 [ 16.411589] ret_from_fork_asm+0x1a/0x30 [ 16.411782] [ 16.411928] CPU: 0 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7-next-20250526 #1 PREEMPT(voluntary) [ 16.412425] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.412611] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.413301] ================================================================== [ 16.299544] ================================================================== [ 16.300016] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.300016] [ 16.300482] Use-after-free read at 0x(____ptrval____) (in kfence-#71): [ 16.300734] test_use_after_free_read+0x129/0x270 [ 16.300976] kunit_try_run_case+0x1a5/0x480 [ 16.301312] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.301529] kthread+0x337/0x6f0 [ 16.301671] ret_from_fork+0x116/0x1d0 [ 16.301860] ret_from_fork_asm+0x1a/0x30 [ 16.302155] [ 16.302245] kfence-#71: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 16.302245] [ 16.302574] allocated by task 313 on cpu 1 at 16.299326s (0.003246s ago): [ 16.303080] test_alloc+0x364/0x10f0 [ 16.303260] test_use_after_free_read+0xdc/0x270 [ 16.303496] kunit_try_run_case+0x1a5/0x480 [ 16.303716] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.303926] kthread+0x337/0x6f0 [ 16.304099] ret_from_fork+0x116/0x1d0 [ 16.304300] ret_from_fork_asm+0x1a/0x30 [ 16.304495] [ 16.304755] freed by task 313 on cpu 1 at 16.299372s (0.005284s ago): [ 16.305102] test_use_after_free_read+0x1e7/0x270 [ 16.305361] kunit_try_run_case+0x1a5/0x480 [ 16.305605] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.305890] kthread+0x337/0x6f0 [ 16.306084] ret_from_fork+0x116/0x1d0 [ 16.306285] ret_from_fork_asm+0x1a/0x30 [ 16.306508] [ 16.306634] CPU: 1 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc7-next-20250526 #1 PREEMPT(voluntary) [ 16.307267] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.307475] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.308347] ==================================================================