Date
July 5, 2025, 5:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.727928] ================================================================== [ 22.728044] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.728044] [ 22.728216] Use-after-free read at 0x0000000023756843 (in kfence-#92): [ 22.728270] test_use_after_free_read+0x114/0x248 [ 22.728346] kunit_try_run_case+0x170/0x3f0 [ 22.728614] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.728694] kthread+0x328/0x630 [ 22.728743] ret_from_fork+0x10/0x20 [ 22.728845] [ 22.728936] kfence-#92: 0x0000000023756843-0x000000004382e9bf, size=32, cache=test [ 22.728936] [ 22.729024] allocated by task 297 on cpu 0 at 22.727439s (0.001574s ago): [ 22.729148] test_alloc+0x230/0x628 [ 22.729381] test_use_after_free_read+0xd0/0x248 [ 22.729500] kunit_try_run_case+0x170/0x3f0 [ 22.729544] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.729588] kthread+0x328/0x630 [ 22.729624] ret_from_fork+0x10/0x20 [ 22.729682] [ 22.729811] freed by task 297 on cpu 0 at 22.727513s (0.002246s ago): [ 22.730170] test_use_after_free_read+0xf0/0x248 [ 22.730266] kunit_try_run_case+0x170/0x3f0 [ 22.730309] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.730353] kthread+0x328/0x630 [ 22.730390] ret_from_fork+0x10/0x20 [ 22.730471] [ 22.730557] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 22.731015] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.731049] Hardware name: linux,dummy-virt (DT) [ 22.731108] ================================================================== [ 22.620049] ================================================================== [ 22.620147] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.620147] [ 22.620342] Use-after-free read at 0x000000004458ae5c (in kfence-#91): [ 22.620398] test_use_after_free_read+0x114/0x248 [ 22.620447] kunit_try_run_case+0x170/0x3f0 [ 22.620738] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.620893] kthread+0x328/0x630 [ 22.620937] ret_from_fork+0x10/0x20 [ 22.621023] [ 22.621048] kfence-#91: 0x000000004458ae5c-0x0000000020e3dcf9, size=32, cache=kmalloc-32 [ 22.621048] [ 22.621165] allocated by task 295 on cpu 0 at 22.619458s (0.001685s ago): [ 22.621237] test_alloc+0x29c/0x628 [ 22.621367] test_use_after_free_read+0xd0/0x248 [ 22.621413] kunit_try_run_case+0x170/0x3f0 [ 22.621467] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.621512] kthread+0x328/0x630 [ 22.621683] ret_from_fork+0x10/0x20 [ 22.621735] [ 22.621947] freed by task 295 on cpu 0 at 22.619743s (0.002085s ago): [ 22.622095] test_use_after_free_read+0x1c0/0x248 [ 22.622171] kunit_try_run_case+0x170/0x3f0 [ 22.622239] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.622358] kthread+0x328/0x630 [ 22.622395] ret_from_fork+0x10/0x20 [ 22.622673] [ 22.622767] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 22.622988] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.623039] Hardware name: linux,dummy-virt (DT) [ 22.623101] ==================================================================
[ 17.346667] ================================================================== [ 17.347063] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.347063] [ 17.347436] Use-after-free read at 0x(____ptrval____) (in kfence-#75): [ 17.348171] test_use_after_free_read+0x129/0x270 [ 17.348392] kunit_try_run_case+0x1a5/0x480 [ 17.348626] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.349178] kthread+0x337/0x6f0 [ 17.349355] ret_from_fork+0x116/0x1d0 [ 17.349552] ret_from_fork_asm+0x1a/0x30 [ 17.349741] [ 17.350073] kfence-#75: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 17.350073] [ 17.350518] allocated by task 316 on cpu 0 at 17.346549s (0.003966s ago): [ 17.351027] test_alloc+0x2a6/0x10f0 [ 17.351207] test_use_after_free_read+0xdc/0x270 [ 17.351420] kunit_try_run_case+0x1a5/0x480 [ 17.351624] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.352092] kthread+0x337/0x6f0 [ 17.352326] ret_from_fork+0x116/0x1d0 [ 17.352573] ret_from_fork_asm+0x1a/0x30 [ 17.352780] [ 17.352994] freed by task 316 on cpu 0 at 17.346602s (0.006389s ago): [ 17.353339] test_use_after_free_read+0xfb/0x270 [ 17.353541] kunit_try_run_case+0x1a5/0x480 [ 17.353938] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.354249] kthread+0x337/0x6f0 [ 17.354420] ret_from_fork+0x116/0x1d0 [ 17.354616] ret_from_fork_asm+0x1a/0x30 [ 17.354952] [ 17.355083] CPU: 0 UID: 0 PID: 316 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 17.355622] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.355949] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.356381] ================================================================== [ 17.242741] ================================================================== [ 17.243164] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.243164] [ 17.243634] Use-after-free read at 0x(____ptrval____) (in kfence-#74): [ 17.244296] test_use_after_free_read+0x129/0x270 [ 17.244545] kunit_try_run_case+0x1a5/0x480 [ 17.244941] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.245179] kthread+0x337/0x6f0 [ 17.245339] ret_from_fork+0x116/0x1d0 [ 17.245527] ret_from_fork_asm+0x1a/0x30 [ 17.245960] [ 17.246066] kfence-#74: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.246066] [ 17.246580] allocated by task 314 on cpu 0 at 17.242535s (0.004042s ago): [ 17.246992] test_alloc+0x364/0x10f0 [ 17.247159] test_use_after_free_read+0xdc/0x270 [ 17.247499] kunit_try_run_case+0x1a5/0x480 [ 17.247837] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.248142] kthread+0x337/0x6f0 [ 17.248277] ret_from_fork+0x116/0x1d0 [ 17.248481] ret_from_fork_asm+0x1a/0x30 [ 17.248684] [ 17.249160] freed by task 314 on cpu 0 at 17.242599s (0.006477s ago): [ 17.249506] test_use_after_free_read+0x1e7/0x270 [ 17.249834] kunit_try_run_case+0x1a5/0x480 [ 17.250101] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.250305] kthread+0x337/0x6f0 [ 17.250598] ret_from_fork+0x116/0x1d0 [ 17.250791] ret_from_fork_asm+0x1a/0x30 [ 17.250987] [ 17.251098] CPU: 0 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 17.251485] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.251687] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.252140] ==================================================================