Date
July 2, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.699190] ================================================================== [ 22.699296] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.699296] [ 22.699531] Use-after-free read at 0x0000000061140d50 (in kfence-#90): [ 22.699821] test_use_after_free_read+0x114/0x248 [ 22.700052] kunit_try_run_case+0x170/0x3f0 [ 22.700165] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.700453] kthread+0x328/0x630 [ 22.700561] ret_from_fork+0x10/0x20 [ 22.700664] [ 22.700731] kfence-#90: 0x0000000061140d50-0x0000000004351b86, size=32, cache=kmalloc-32 [ 22.700731] [ 22.701105] allocated by task 295 on cpu 0 at 22.698160s (0.002926s ago): [ 22.701317] test_alloc+0x29c/0x628 [ 22.701413] test_use_after_free_read+0xd0/0x248 [ 22.701693] kunit_try_run_case+0x170/0x3f0 [ 22.701836] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.701923] kthread+0x328/0x630 [ 22.701960] ret_from_fork+0x10/0x20 [ 22.702048] [ 22.702246] freed by task 295 on cpu 0 at 22.698244s (0.003892s ago): [ 22.702403] test_use_after_free_read+0x1c0/0x248 [ 22.702495] kunit_try_run_case+0x170/0x3f0 [ 22.702545] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.702609] kthread+0x328/0x630 [ 22.702665] ret_from_fork+0x10/0x20 [ 22.702721] [ 22.702788] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 22.702893] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.702924] Hardware name: linux,dummy-virt (DT) [ 22.702968] ================================================================== [ 22.803755] ================================================================== [ 22.803921] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.803921] [ 22.804056] Use-after-free read at 0x0000000013865890 (in kfence-#91): [ 22.804131] test_use_after_free_read+0x114/0x248 [ 22.804182] kunit_try_run_case+0x170/0x3f0 [ 22.804561] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.804673] kthread+0x328/0x630 [ 22.804772] ret_from_fork+0x10/0x20 [ 22.804939] [ 22.805038] kfence-#91: 0x0000000013865890-0x0000000025de78f4, size=32, cache=test [ 22.805038] [ 22.805464] allocated by task 297 on cpu 0 at 22.803212s (0.002245s ago): [ 22.805592] test_alloc+0x230/0x628 [ 22.805895] test_use_after_free_read+0xd0/0x248 [ 22.806026] kunit_try_run_case+0x170/0x3f0 [ 22.806116] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.806221] kthread+0x328/0x630 [ 22.806294] ret_from_fork+0x10/0x20 [ 22.806672] [ 22.806801] freed by task 297 on cpu 0 at 22.803328s (0.003453s ago): [ 22.807139] test_use_after_free_read+0xf0/0x248 [ 22.807517] kunit_try_run_case+0x170/0x3f0 [ 22.807700] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.807808] kthread+0x328/0x630 [ 22.807936] ret_from_fork+0x10/0x20 [ 22.808031] [ 22.808084] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 22.808491] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.808570] Hardware name: linux,dummy-virt (DT) [ 22.808927] ==================================================================
[ 16.926086] ================================================================== [ 16.926511] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.926511] [ 16.926958] Use-after-free read at 0x(____ptrval____) (in kfence-#72): [ 16.927239] test_use_after_free_read+0x129/0x270 [ 16.927483] kunit_try_run_case+0x1a5/0x480 [ 16.927706] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.927971] kthread+0x337/0x6f0 [ 16.928103] ret_from_fork+0x116/0x1d0 [ 16.928317] ret_from_fork_asm+0x1a/0x30 [ 16.928526] [ 16.928630] kfence-#72: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 16.928630] [ 16.929041] allocated by task 316 on cpu 1 at 16.925940s (0.003098s ago): [ 16.929289] test_alloc+0x2a6/0x10f0 [ 16.929449] test_use_after_free_read+0xdc/0x270 [ 16.929672] kunit_try_run_case+0x1a5/0x480 [ 16.929904] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.930126] kthread+0x337/0x6f0 [ 16.930250] ret_from_fork+0x116/0x1d0 [ 16.930393] ret_from_fork_asm+0x1a/0x30 [ 16.930592] [ 16.930687] freed by task 316 on cpu 1 at 16.926000s (0.004684s ago): [ 16.931053] test_use_after_free_read+0xfb/0x270 [ 16.931285] kunit_try_run_case+0x1a5/0x480 [ 16.931505] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.931756] kthread+0x337/0x6f0 [ 16.931913] ret_from_fork+0x116/0x1d0 [ 16.932103] ret_from_fork_asm+0x1a/0x30 [ 16.932282] [ 16.932419] CPU: 1 UID: 0 PID: 316 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 16.932908] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.933076] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.933362] ================================================================== [ 16.822159] ================================================================== [ 16.822636] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.822636] [ 16.823378] Use-after-free read at 0x(____ptrval____) (in kfence-#71): [ 16.824043] test_use_after_free_read+0x129/0x270 [ 16.824277] kunit_try_run_case+0x1a5/0x480 [ 16.824503] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.824911] kthread+0x337/0x6f0 [ 16.825188] ret_from_fork+0x116/0x1d0 [ 16.825451] ret_from_fork_asm+0x1a/0x30 [ 16.825690] [ 16.825898] kfence-#71: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 16.825898] [ 16.826271] allocated by task 314 on cpu 0 at 16.821940s (0.004328s ago): [ 16.826604] test_alloc+0x364/0x10f0 [ 16.827048] test_use_after_free_read+0xdc/0x270 [ 16.827345] kunit_try_run_case+0x1a5/0x480 [ 16.827635] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.828023] kthread+0x337/0x6f0 [ 16.828297] ret_from_fork+0x116/0x1d0 [ 16.828509] ret_from_fork_asm+0x1a/0x30 [ 16.828947] [ 16.829382] freed by task 314 on cpu 0 at 16.822002s (0.007274s ago): [ 16.829742] test_use_after_free_read+0x1e7/0x270 [ 16.829964] kunit_try_run_case+0x1a5/0x480 [ 16.830311] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.830671] kthread+0x337/0x6f0 [ 16.830946] ret_from_fork+0x116/0x1d0 [ 16.831149] ret_from_fork_asm+0x1a/0x30 [ 16.831498] [ 16.831732] CPU: 0 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 16.832204] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.832550] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.833038] ==================================================================