Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 29.256301] ================================================================== [ 29.256986] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 29.256986] [ 29.257859] Use-after-free read at 0x00000000afc7ef0e (in kfence-#124): [ 29.258517] test_use_after_free_read+0x114/0x248 [ 29.259350] kunit_try_run_case+0x170/0x3f0 [ 29.260115] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.260729] kthread+0x24c/0x2d0 [ 29.261330] ret_from_fork+0x10/0x20 [ 29.261895] [ 29.262216] kfence-#124: 0x00000000afc7ef0e-0x00000000d637a397, size=32, cache=test [ 29.262216] [ 29.263094] allocated by task 281 on cpu 1 at 29.256000s (0.007082s ago): [ 29.263871] test_alloc+0x230/0x628 [ 29.264386] test_use_after_free_read+0xd0/0x248 [ 29.265027] kunit_try_run_case+0x170/0x3f0 [ 29.265647] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.266219] kthread+0x24c/0x2d0 [ 29.266777] ret_from_fork+0x10/0x20 [ 29.267258] [ 29.267575] freed by task 281 on cpu 1 at 29.256081s (0.011481s ago): [ 29.268338] test_use_after_free_read+0xf0/0x248 [ 29.268974] kunit_try_run_case+0x170/0x3f0 [ 29.269553] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.270133] kthread+0x24c/0x2d0 [ 29.270628] ret_from_fork+0x10/0x20 [ 29.271149] [ 29.271508] CPU: 1 UID: 0 PID: 281 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 29.272407] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.272927] Hardware name: linux,dummy-virt (DT) [ 29.273559] ================================================================== [ 29.152616] ================================================================== [ 29.153283] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 29.153283] [ 29.154193] Use-after-free read at 0x00000000168ec30a (in kfence-#123): [ 29.154882] test_use_after_free_read+0x114/0x248 [ 29.155609] kunit_try_run_case+0x170/0x3f0 [ 29.156228] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.156989] kthread+0x24c/0x2d0 [ 29.157553] ret_from_fork+0x10/0x20 [ 29.158207] [ 29.158542] kfence-#123: 0x00000000168ec30a-0x00000000e8bd9b7c, size=32, cache=kmalloc-32 [ 29.158542] [ 29.159485] allocated by task 279 on cpu 0 at 29.152272s (0.007200s ago): [ 29.160328] test_alloc+0x29c/0x628 [ 29.160934] test_use_after_free_read+0xd0/0x248 [ 29.161561] kunit_try_run_case+0x170/0x3f0 [ 29.162195] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.162871] kthread+0x24c/0x2d0 [ 29.163409] ret_from_fork+0x10/0x20 [ 29.163973] [ 29.164318] freed by task 279 on cpu 0 at 29.152382s (0.011924s ago): [ 29.165144] test_use_after_free_read+0x1c0/0x248 [ 29.165780] kunit_try_run_case+0x170/0x3f0 [ 29.166323] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.167086] kthread+0x24c/0x2d0 [ 29.167601] ret_from_fork+0x10/0x20 [ 29.168171] [ 29.168575] CPU: 0 UID: 0 PID: 279 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 29.169610] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.170170] Hardware name: linux,dummy-virt (DT) [ 29.170747] ==================================================================
[ 25.991371] ================================================================== [ 25.992003] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x12a/0x270 [ 25.992003] [ 25.992745] Use-after-free read at 0x(____ptrval____) (in kfence-#99): [ 25.993301] test_use_after_free_read+0x12a/0x270 [ 25.993646] kunit_try_run_case+0x1a6/0x480 [ 25.994206] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.994748] kthread+0x257/0x310 [ 25.995133] ret_from_fork+0x41/0x80 [ 25.995540] ret_from_fork_asm+0x1a/0x30 [ 25.995867] [ 25.996053] kfence-#99: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 25.996053] [ 25.996862] allocated by task 298 on cpu 0 at 25.991103s (0.005753s ago): [ 25.997660] test_alloc+0x2a7/0x10f0 [ 25.998087] test_use_after_free_read+0xdd/0x270 [ 25.998466] kunit_try_run_case+0x1a6/0x480 [ 25.998913] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.999466] kthread+0x257/0x310 [ 25.999852] ret_from_fork+0x41/0x80 [ 26.000273] ret_from_fork_asm+0x1a/0x30 [ 26.000679] [ 26.000865] freed by task 298 on cpu 0 at 25.991193s (0.009666s ago): [ 26.001677] test_use_after_free_read+0xfc/0x270 [ 26.002145] kunit_try_run_case+0x1a6/0x480 [ 26.002496] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.003031] kthread+0x257/0x310 [ 26.003456] ret_from_fork+0x41/0x80 [ 26.003894] ret_from_fork_asm+0x1a/0x30 [ 26.004269] [ 26.004502] CPU: 0 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 26.005614] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.006019] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.006844] ================================================================== [ 25.887475] ================================================================== [ 25.888219] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x12a/0x270 [ 25.888219] [ 25.888980] Use-after-free read at 0x(____ptrval____) (in kfence-#98): [ 25.890805] test_use_after_free_read+0x12a/0x270 [ 25.891351] kunit_try_run_case+0x1a6/0x480 [ 25.891794] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.892195] kthread+0x257/0x310 [ 25.892641] ret_from_fork+0x41/0x80 [ 25.893287] ret_from_fork_asm+0x1a/0x30 [ 25.893659] [ 25.894316] kfence-#98: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 25.894316] [ 25.895499] allocated by task 296 on cpu 1 at 25.887088s (0.008405s ago): [ 25.896352] test_alloc+0x365/0x10f0 [ 25.896880] test_use_after_free_read+0xdd/0x270 [ 25.897348] kunit_try_run_case+0x1a6/0x480 [ 25.897785] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.898596] kthread+0x257/0x310 [ 25.899216] ret_from_fork+0x41/0x80 [ 25.899760] ret_from_fork_asm+0x1a/0x30 [ 25.900222] [ 25.900673] freed by task 296 on cpu 1 at 25.887174s (0.013391s ago): [ 25.901475] test_use_after_free_read+0x1e9/0x270 [ 25.901903] kunit_try_run_case+0x1a6/0x480 [ 25.902352] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 25.903285] kthread+0x257/0x310 [ 25.903670] ret_from_fork+0x41/0x80 [ 25.904076] ret_from_fork_asm+0x1a/0x30 [ 25.904995] [ 25.905266] CPU: 1 UID: 0 PID: 296 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 25.906221] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.906727] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 25.907413] ==================================================================