Date
July 12, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.711981] ================================================================== [ 21.712093] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.712093] [ 21.712226] Use-after-free read at 0x0000000077cadbe0 (in kfence-#96): [ 21.712279] test_use_after_free_read+0x114/0x248 [ 21.712330] kunit_try_run_case+0x170/0x3f0 [ 21.712376] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.712420] kthread+0x328/0x630 [ 21.712461] ret_from_fork+0x10/0x20 [ 21.712500] [ 21.712525] kfence-#96: 0x0000000077cadbe0-0x0000000057cd61f1, size=32, cache=kmalloc-32 [ 21.712525] [ 21.712579] allocated by task 295 on cpu 0 at 21.711672s (0.000903s ago): [ 21.712649] test_alloc+0x29c/0x628 [ 21.712691] test_use_after_free_read+0xd0/0x248 [ 21.712732] kunit_try_run_case+0x170/0x3f0 [ 21.712772] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.712814] kthread+0x328/0x630 [ 21.712851] ret_from_fork+0x10/0x20 [ 21.712893] [ 21.713018] freed by task 295 on cpu 0 at 21.711746s (0.001194s ago): [ 21.713126] test_use_after_free_read+0x1c0/0x248 [ 21.713168] kunit_try_run_case+0x170/0x3f0 [ 21.713222] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.713264] kthread+0x328/0x630 [ 21.713301] ret_from_fork+0x10/0x20 [ 21.713354] [ 21.713405] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 21.713484] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.713515] Hardware name: linux,dummy-virt (DT) [ 21.713548] ================================================================== [ 21.815794] ================================================================== [ 21.815899] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.815899] [ 21.815995] Use-after-free read at 0x00000000f3e8baca (in kfence-#97): [ 21.816049] test_use_after_free_read+0x114/0x248 [ 21.816098] kunit_try_run_case+0x170/0x3f0 [ 21.816142] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.816204] kthread+0x328/0x630 [ 21.816245] ret_from_fork+0x10/0x20 [ 21.816287] [ 21.816312] kfence-#97: 0x00000000f3e8baca-0x0000000048a361ae, size=32, cache=test [ 21.816312] [ 21.816364] allocated by task 297 on cpu 0 at 21.815608s (0.000752s ago): [ 21.816436] test_alloc+0x230/0x628 [ 21.816476] test_use_after_free_read+0xd0/0x248 [ 21.816518] kunit_try_run_case+0x170/0x3f0 [ 21.816559] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.816603] kthread+0x328/0x630 [ 21.816640] ret_from_fork+0x10/0x20 [ 21.816681] [ 21.816708] freed by task 297 on cpu 0 at 21.815667s (0.001037s ago): [ 21.816811] test_use_after_free_read+0xf0/0x248 [ 21.816855] kunit_try_run_case+0x170/0x3f0 [ 21.816895] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.816939] kthread+0x328/0x630 [ 21.816974] ret_from_fork+0x10/0x20 [ 21.817014] [ 21.817060] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 21.817139] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.817167] Hardware name: linux,dummy-virt (DT) [ 21.817213] ==================================================================
[ 17.616539] ================================================================== [ 17.616949] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.616949] [ 17.617434] Use-after-free read at 0x(____ptrval____) (in kfence-#68): [ 17.617759] test_use_after_free_read+0x129/0x270 [ 17.617932] kunit_try_run_case+0x1a5/0x480 [ 17.618151] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.618419] kthread+0x337/0x6f0 [ 17.618586] ret_from_fork+0x116/0x1d0 [ 17.618784] ret_from_fork_asm+0x1a/0x30 [ 17.618978] [ 17.619102] kfence-#68: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.619102] [ 17.619526] allocated by task 312 on cpu 0 at 17.616326s (0.003197s ago): [ 17.619806] test_alloc+0x364/0x10f0 [ 17.619996] test_use_after_free_read+0xdc/0x270 [ 17.620192] kunit_try_run_case+0x1a5/0x480 [ 17.620428] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.620708] kthread+0x337/0x6f0 [ 17.620878] ret_from_fork+0x116/0x1d0 [ 17.621058] ret_from_fork_asm+0x1a/0x30 [ 17.621317] [ 17.621548] freed by task 312 on cpu 0 at 17.616376s (0.005090s ago): [ 17.621866] test_use_after_free_read+0x1e7/0x270 [ 17.622039] kunit_try_run_case+0x1a5/0x480 [ 17.622237] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.622555] kthread+0x337/0x6f0 [ 17.622761] ret_from_fork+0x116/0x1d0 [ 17.622989] ret_from_fork_asm+0x1a/0x30 [ 17.623254] [ 17.623398] CPU: 0 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 17.623789] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.623959] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.624398] ================================================================== [ 17.720437] ================================================================== [ 17.720836] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.720836] [ 17.721321] Use-after-free read at 0x(____ptrval____) (in kfence-#69): [ 17.721579] test_use_after_free_read+0x129/0x270 [ 17.721816] kunit_try_run_case+0x1a5/0x480 [ 17.721992] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.722247] kthread+0x337/0x6f0 [ 17.722420] ret_from_fork+0x116/0x1d0 [ 17.722588] ret_from_fork_asm+0x1a/0x30 [ 17.722770] [ 17.722846] kfence-#69: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 17.722846] [ 17.723225] allocated by task 314 on cpu 0 at 17.720313s (0.002910s ago): [ 17.723527] test_alloc+0x2a6/0x10f0 [ 17.723693] test_use_after_free_read+0xdc/0x270 [ 17.723892] kunit_try_run_case+0x1a5/0x480 [ 17.724040] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.724307] kthread+0x337/0x6f0 [ 17.724481] ret_from_fork+0x116/0x1d0 [ 17.724678] ret_from_fork_asm+0x1a/0x30 [ 17.724836] [ 17.724938] freed by task 314 on cpu 0 at 17.720358s (0.004577s ago): [ 17.725184] test_use_after_free_read+0xfb/0x270 [ 17.725374] kunit_try_run_case+0x1a5/0x480 [ 17.725585] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.725844] kthread+0x337/0x6f0 [ 17.725995] ret_from_fork+0x116/0x1d0 [ 17.726154] ret_from_fork_asm+0x1a/0x30 [ 17.726306] [ 17.726405] CPU: 0 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 17.726902] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.727111] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.727497] ==================================================================