Date
June 23, 2025, 7:07 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 38.875906] ================================================================== [ 38.876060] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 38.876060] [ 38.876226] Use-after-free read at 0x00000000abd44aef (in kfence-#123): [ 38.876339] test_use_after_free_read+0x114/0x248 [ 38.876456] kunit_try_run_case+0x170/0x3f0 [ 38.876561] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 38.876667] kthread+0x328/0x630 [ 38.876758] ret_from_fork+0x10/0x20 [ 38.876849] [ 38.876904] kfence-#123: 0x00000000abd44aef-0x0000000056336da7, size=32, cache=test [ 38.876904] [ 38.877052] allocated by task 309 on cpu 0 at 38.875449s (0.001561s ago): [ 38.877239] test_alloc+0x230/0x628 [ 38.877363] test_use_after_free_read+0xd0/0x248 [ 38.877486] kunit_try_run_case+0x170/0x3f0 [ 38.877644] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 38.877775] kthread+0x328/0x630 [ 38.877883] ret_from_fork+0x10/0x20 [ 38.878002] [ 38.878125] freed by task 309 on cpu 0 at 38.875540s (0.002553s ago): [ 38.878530] test_use_after_free_read+0xf0/0x248 [ 38.878808] kunit_try_run_case+0x170/0x3f0 [ 38.878920] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 38.879099] kthread+0x328/0x630 [ 38.879221] ret_from_fork+0x10/0x20 [ 38.879341] [ 38.879442] CPU: 0 UID: 0 PID: 309 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT [ 38.879771] Tainted: [B]=BAD_PAGE, [N]=TEST [ 38.879854] Hardware name: linux,dummy-virt (DT) [ 38.879957] ================================================================== [ 38.773528] ================================================================== [ 38.773677] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 38.773677] [ 38.773888] Use-after-free read at 0x000000009ddcc803 (in kfence-#122): [ 38.774534] test_use_after_free_read+0x114/0x248 [ 38.774837] kunit_try_run_case+0x170/0x3f0 [ 38.774989] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 38.775313] kthread+0x328/0x630 [ 38.775599] ret_from_fork+0x10/0x20 [ 38.775883] [ 38.776009] kfence-#122: 0x000000009ddcc803-0x00000000bb47c840, size=32, cache=kmalloc-32 [ 38.776009] [ 38.776157] allocated by task 307 on cpu 0 at 38.772468s (0.003679s ago): [ 38.776923] test_alloc+0x29c/0x628 [ 38.777054] test_use_after_free_read+0xd0/0x248 [ 38.777463] kunit_try_run_case+0x170/0x3f0 [ 38.777669] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 38.777777] kthread+0x328/0x630 [ 38.778629] ret_from_fork+0x10/0x20 [ 38.779204] [ 38.779518] freed by task 307 on cpu 0 at 38.772561s (0.006947s ago): [ 38.779681] test_use_after_free_read+0x1c0/0x248 [ 38.780452] kunit_try_run_case+0x170/0x3f0 [ 38.781307] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 38.782073] kthread+0x328/0x630 [ 38.782692] ret_from_fork+0x10/0x20 [ 38.783587] [ 38.783835] CPU: 0 UID: 0 PID: 307 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT [ 38.785581] Tainted: [B]=BAD_PAGE, [N]=TEST [ 38.785698] Hardware name: linux,dummy-virt (DT) [ 38.786463] ==================================================================
[ 28.028654] ================================================================== [ 28.029075] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 28.029075] [ 28.029559] Use-after-free read at 0x(____ptrval____) (in kfence-#90): [ 28.030041] test_use_after_free_read+0x129/0x270 [ 28.030406] kunit_try_run_case+0x1a5/0x480 [ 28.030577] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.030800] kthread+0x337/0x6f0 [ 28.031042] ret_from_fork+0x116/0x1d0 [ 28.031188] ret_from_fork_asm+0x1a/0x30 [ 28.031480] [ 28.031598] kfence-#90: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 28.031598] [ 28.032061] allocated by task 324 on cpu 0 at 28.028373s (0.003683s ago): [ 28.032313] test_alloc+0x364/0x10f0 [ 28.032597] test_use_after_free_read+0xdc/0x270 [ 28.032866] kunit_try_run_case+0x1a5/0x480 [ 28.033132] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.033447] kthread+0x337/0x6f0 [ 28.033590] ret_from_fork+0x116/0x1d0 [ 28.033727] ret_from_fork_asm+0x1a/0x30 [ 28.034131] [ 28.034533] freed by task 324 on cpu 0 at 28.028470s (0.005887s ago): [ 28.035097] test_use_after_free_read+0x1e7/0x270 [ 28.035308] kunit_try_run_case+0x1a5/0x480 [ 28.035561] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.035741] kthread+0x337/0x6f0 [ 28.035877] ret_from_fork+0x116/0x1d0 [ 28.036113] ret_from_fork_asm+0x1a/0x30 [ 28.036452] [ 28.036627] CPU: 0 UID: 0 PID: 324 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT(voluntary) [ 28.037250] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.037474] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 28.037865] ================================================================== [ 28.132548] ================================================================== [ 28.132776] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 28.132776] [ 28.132983] Use-after-free read at 0x(____ptrval____) (in kfence-#91): [ 28.133167] test_use_after_free_read+0x129/0x270 [ 28.133765] kunit_try_run_case+0x1a5/0x480 [ 28.134400] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.134646] kthread+0x337/0x6f0 [ 28.135149] ret_from_fork+0x116/0x1d0 [ 28.135290] ret_from_fork_asm+0x1a/0x30 [ 28.135594] [ 28.135982] kfence-#91: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 28.135982] [ 28.136238] allocated by task 326 on cpu 0 at 28.132406s (0.003828s ago): [ 28.136855] test_alloc+0x2a6/0x10f0 [ 28.137101] test_use_after_free_read+0xdc/0x270 [ 28.137366] kunit_try_run_case+0x1a5/0x480 [ 28.137693] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.137868] kthread+0x337/0x6f0 [ 28.138103] ret_from_fork+0x116/0x1d0 [ 28.138417] ret_from_fork_asm+0x1a/0x30 [ 28.138635] [ 28.138798] freed by task 326 on cpu 0 at 28.132464s (0.006329s ago): [ 28.139102] test_use_after_free_read+0xfb/0x270 [ 28.139404] kunit_try_run_case+0x1a5/0x480 [ 28.139955] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.140227] kthread+0x337/0x6f0 [ 28.140414] ret_from_fork+0x116/0x1d0 [ 28.140589] ret_from_fork_asm+0x1a/0x30 [ 28.140766] [ 28.141324] CPU: 0 UID: 0 PID: 326 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250623 #1 PREEMPT(voluntary) [ 28.141779] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.142256] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 28.142599] ==================================================================