Date
June 17, 2025, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.615365] ================================================================== [ 21.615443] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.615443] [ 21.615552] Use-after-free read at 0x000000007aaff54e (in kfence-#90): [ 21.615604] test_use_after_free_read+0x114/0x248 [ 21.615671] kunit_try_run_case+0x170/0x3f0 [ 21.615733] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.615779] kthread+0x328/0x630 [ 21.615819] ret_from_fork+0x10/0x20 [ 21.615885] [ 21.615911] kfence-#90: 0x000000007aaff54e-0x000000007f946e6b, size=32, cache=test [ 21.615911] [ 21.616237] allocated by task 306 on cpu 1 at 21.615050s (0.001110s ago): [ 21.616482] test_alloc+0x230/0x628 [ 21.616532] test_use_after_free_read+0xd0/0x248 [ 21.616717] kunit_try_run_case+0x170/0x3f0 [ 21.616778] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.616824] kthread+0x328/0x630 [ 21.616861] ret_from_fork+0x10/0x20 [ 21.616920] [ 21.617018] freed by task 306 on cpu 1 at 21.615130s (0.001841s ago): [ 21.617142] test_use_after_free_read+0xf0/0x248 [ 21.617206] kunit_try_run_case+0x170/0x3f0 [ 21.617248] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.617309] kthread+0x328/0x630 [ 21.617366] ret_from_fork+0x10/0x20 [ 21.617411] [ 21.617495] CPU: 1 UID: 0 PID: 306 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250617 #1 PREEMPT [ 21.617587] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.617617] Hardware name: linux,dummy-virt (DT) [ 21.617651] ================================================================== [ 21.507982] ================================================================== [ 21.508134] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.508134] [ 21.508241] Use-after-free read at 0x0000000077b01c1b (in kfence-#89): [ 21.508291] test_use_after_free_read+0x114/0x248 [ 21.508358] kunit_try_run_case+0x170/0x3f0 [ 21.508405] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.508473] kthread+0x328/0x630 [ 21.508530] ret_from_fork+0x10/0x20 [ 21.508588] [ 21.508613] kfence-#89: 0x0000000077b01c1b-0x0000000084b7c886, size=32, cache=kmalloc-32 [ 21.508613] [ 21.508683] allocated by task 304 on cpu 1 at 21.507322s (0.001340s ago): [ 21.508776] test_alloc+0x29c/0x628 [ 21.508826] test_use_after_free_read+0xd0/0x248 [ 21.508870] kunit_try_run_case+0x170/0x3f0 [ 21.508943] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.508988] kthread+0x328/0x630 [ 21.509025] ret_from_fork+0x10/0x20 [ 21.509072] [ 21.509214] freed by task 304 on cpu 1 at 21.507400s (0.001728s ago): [ 21.509326] test_use_after_free_read+0x1c0/0x248 [ 21.509557] kunit_try_run_case+0x170/0x3f0 [ 21.509615] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.509661] kthread+0x328/0x630 [ 21.509744] ret_from_fork+0x10/0x20 [ 21.509806] [ 21.509855] CPU: 1 UID: 0 PID: 304 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250617 #1 PREEMPT [ 21.510133] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.510312] Hardware name: linux,dummy-virt (DT) [ 21.510379] ==================================================================
[ 26.796106] ================================================================== [ 26.796738] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 26.796738] [ 26.797507] Use-after-free read at 0x(____ptrval____) (in kfence-#111): [ 26.798130] test_use_after_free_read+0x129/0x270 [ 26.798454] kunit_try_run_case+0x1a5/0x480 [ 26.798922] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.799441] kthread+0x337/0x6f0 [ 26.799928] ret_from_fork+0x116/0x1d0 [ 26.800367] ret_from_fork_asm+0x1a/0x30 [ 26.800669] [ 26.800872] kfence-#111: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 26.800872] [ 26.801992] allocated by task 322 on cpu 1 at 26.795754s (0.006232s ago): [ 26.802581] test_alloc+0x364/0x10f0 [ 26.802955] test_use_after_free_read+0xdc/0x270 [ 26.803501] kunit_try_run_case+0x1a5/0x480 [ 26.804018] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.804506] kthread+0x337/0x6f0 [ 26.804764] ret_from_fork+0x116/0x1d0 [ 26.805186] ret_from_fork_asm+0x1a/0x30 [ 26.805605] [ 26.805861] freed by task 322 on cpu 1 at 26.795882s (0.009973s ago): [ 26.806553] test_use_after_free_read+0x1e7/0x270 [ 26.807073] kunit_try_run_case+0x1a5/0x480 [ 26.807583] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.808026] kthread+0x337/0x6f0 [ 26.808296] ret_from_fork+0x116/0x1d0 [ 26.808581] ret_from_fork_asm+0x1a/0x30 [ 26.809010] [ 26.809279] CPU: 1 UID: 0 PID: 322 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250617 #1 PREEMPT(voluntary) [ 26.810347] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.810624] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.811773] ================================================================== [ 26.899955] ================================================================== [ 26.900525] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 26.900525] [ 26.901311] Use-after-free read at 0x(____ptrval____) (in kfence-#112): [ 26.901899] test_use_after_free_read+0x129/0x270 [ 26.902251] kunit_try_run_case+0x1a5/0x480 [ 26.902708] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.903261] kthread+0x337/0x6f0 [ 26.903608] ret_from_fork+0x116/0x1d0 [ 26.904000] ret_from_fork_asm+0x1a/0x30 [ 26.904637] [ 26.904894] kfence-#112: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 26.904894] [ 26.905532] allocated by task 324 on cpu 1 at 26.899735s (0.005792s ago): [ 26.906205] test_alloc+0x2a6/0x10f0 [ 26.906625] test_use_after_free_read+0xdc/0x270 [ 26.907075] kunit_try_run_case+0x1a5/0x480 [ 26.907529] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.908039] kthread+0x337/0x6f0 [ 26.908418] ret_from_fork+0x116/0x1d0 [ 26.908844] ret_from_fork_asm+0x1a/0x30 [ 26.909199] [ 26.909478] freed by task 324 on cpu 1 at 26.899820s (0.009652s ago): [ 26.910039] test_use_after_free_read+0xfb/0x270 [ 26.910670] kunit_try_run_case+0x1a5/0x480 [ 26.911107] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.911613] kthread+0x337/0x6f0 [ 26.911984] ret_from_fork+0x116/0x1d0 [ 26.912386] ret_from_fork_asm+0x1a/0x30 [ 26.913064] [ 26.913325] CPU: 1 UID: 0 PID: 324 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250617 #1 PREEMPT(voluntary) [ 26.914493] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.914770] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.915757] ==================================================================