Date
July 3, 2025, 6:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.458332] ================================================================== [ 21.458427] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.458427] [ 21.458520] Use-after-free read at 0x00000000c1b5c335 (in kfence-#88): [ 21.458568] test_use_after_free_read+0x114/0x248 [ 21.458617] kunit_try_run_case+0x170/0x3f0 [ 21.458660] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.458703] kthread+0x328/0x630 [ 21.458740] ret_from_fork+0x10/0x20 [ 21.458779] [ 21.458802] kfence-#88: 0x00000000c1b5c335-0x00000000adeb2697, size=32, cache=kmalloc-32 [ 21.458802] [ 21.458879] allocated by task 295 on cpu 1 at 21.458068s (0.000806s ago): [ 21.458947] test_alloc+0x29c/0x628 [ 21.458985] test_use_after_free_read+0xd0/0x248 [ 21.459026] kunit_try_run_case+0x170/0x3f0 [ 21.459506] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.460236] kthread+0x328/0x630 [ 21.460296] ret_from_fork+0x10/0x20 [ 21.460431] [ 21.460823] freed by task 295 on cpu 1 at 21.458142s (0.002355s ago): [ 21.461456] test_use_after_free_read+0x1c0/0x248 [ 21.461619] kunit_try_run_case+0x170/0x3f0 [ 21.461731] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.461893] kthread+0x328/0x630 [ 21.462014] ret_from_fork+0x10/0x20 [ 21.462341] [ 21.462641] CPU: 1 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 21.462857] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.462914] Hardware name: linux,dummy-virt (DT) [ 21.462957] ================================================================== [ 21.566323] ================================================================== [ 21.566413] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.566413] [ 21.566684] Use-after-free read at 0x000000007a378c48 (in kfence-#89): [ 21.566796] test_use_after_free_read+0x114/0x248 [ 21.566935] kunit_try_run_case+0x170/0x3f0 [ 21.567172] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.567287] kthread+0x328/0x630 [ 21.567375] ret_from_fork+0x10/0x20 [ 21.567431] [ 21.567482] kfence-#89: 0x000000007a378c48-0x00000000f4fff264, size=32, cache=test [ 21.567482] [ 21.567581] allocated by task 297 on cpu 1 at 21.565964s (0.001596s ago): [ 21.567653] test_alloc+0x230/0x628 [ 21.567694] test_use_after_free_read+0xd0/0x248 [ 21.567734] kunit_try_run_case+0x170/0x3f0 [ 21.567802] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.567846] kthread+0x328/0x630 [ 21.567880] ret_from_fork+0x10/0x20 [ 21.567918] [ 21.567988] freed by task 297 on cpu 1 at 21.566026s (0.001952s ago): [ 21.568107] test_use_after_free_read+0xf0/0x248 [ 21.568161] kunit_try_run_case+0x170/0x3f0 [ 21.568202] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.568378] kthread+0x328/0x630 [ 21.568563] ret_from_fork+0x10/0x20 [ 21.568739] [ 21.568860] CPU: 1 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 21.568960] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.569005] Hardware name: linux,dummy-virt (DT) [ 21.569077] ==================================================================
[ 16.624672] ================================================================== [ 16.625112] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.625112] [ 16.625673] Use-after-free read at 0x(____ptrval____) (in kfence-#70): [ 16.625915] test_use_after_free_read+0x129/0x270 [ 16.626143] kunit_try_run_case+0x1a5/0x480 [ 16.626422] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.626616] kthread+0x337/0x6f0 [ 16.626798] ret_from_fork+0x116/0x1d0 [ 16.626992] ret_from_fork_asm+0x1a/0x30 [ 16.627173] [ 16.627276] kfence-#70: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 16.627276] [ 16.627575] allocated by task 313 on cpu 0 at 16.624453s (0.003120s ago): [ 16.627938] test_alloc+0x364/0x10f0 [ 16.628168] test_use_after_free_read+0xdc/0x270 [ 16.628352] kunit_try_run_case+0x1a5/0x480 [ 16.628562] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.628785] kthread+0x337/0x6f0 [ 16.628908] ret_from_fork+0x116/0x1d0 [ 16.629079] ret_from_fork_asm+0x1a/0x30 [ 16.629295] [ 16.629476] freed by task 313 on cpu 0 at 16.624518s (0.004956s ago): [ 16.629740] test_use_after_free_read+0x1e7/0x270 [ 16.629957] kunit_try_run_case+0x1a5/0x480 [ 16.630144] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.630326] kthread+0x337/0x6f0 [ 16.630449] ret_from_fork+0x116/0x1d0 [ 16.630638] ret_from_fork_asm+0x1a/0x30 [ 16.630875] [ 16.631050] CPU: 0 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 16.631516] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.631660] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.632061] ================================================================== [ 16.728565] ================================================================== [ 16.729053] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.729053] [ 16.729493] Use-after-free read at 0x(____ptrval____) (in kfence-#71): [ 16.729723] test_use_after_free_read+0x129/0x270 [ 16.730388] kunit_try_run_case+0x1a5/0x480 [ 16.730587] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.730830] kthread+0x337/0x6f0 [ 16.730997] ret_from_fork+0x116/0x1d0 [ 16.731191] ret_from_fork_asm+0x1a/0x30 [ 16.731891] [ 16.732141] kfence-#71: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 16.732141] [ 16.732674] allocated by task 315 on cpu 1 at 16.728429s (0.004242s ago): [ 16.732982] test_alloc+0x2a6/0x10f0 [ 16.733151] test_use_after_free_read+0xdc/0x270 [ 16.733337] kunit_try_run_case+0x1a5/0x480 [ 16.733531] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.733884] kthread+0x337/0x6f0 [ 16.734039] ret_from_fork+0x116/0x1d0 [ 16.734224] ret_from_fork_asm+0x1a/0x30 [ 16.734382] [ 16.734479] freed by task 315 on cpu 1 at 16.728482s (0.005995s ago): [ 16.734790] test_use_after_free_read+0xfb/0x270 [ 16.734965] kunit_try_run_case+0x1a5/0x480 [ 16.735190] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.735471] kthread+0x337/0x6f0 [ 16.735651] ret_from_fork+0x116/0x1d0 [ 16.735809] ret_from_fork_asm+0x1a/0x30 [ 16.735972] [ 16.736071] CPU: 1 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 16.736589] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.736737] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.737066] ==================================================================