Date
July 15, 2025, 2:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-i386 | |
| qemu-x86_64 |
[ 109.382310] ================================================================== [ 109.383115] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x10c/0x1a0 [ 109.383115] [ 109.384038] Use-after-free read at 0x00000000abb0795d (in kfence-#144): [ 109.384713] test_use_after_free_read+0x10c/0x1a0 [ 109.385377] kunit_try_run_case+0x8c/0x124 [ 109.385908] kunit_generic_run_threadfn_adapter+0x38/0x54 [ 109.386528] kthread+0x15c/0x170 [ 109.386978] ret_from_fork+0x10/0x20 [ 109.387414] [ 109.387640] kfence-#144: 0x00000000abb0795d-0x00000000339a965f, size=32, cache=kmalloc-128 [ 109.387640] [ 109.388455] allocated by task 263 on cpu 1 at 109.381175s: [ 109.389136] test_alloc+0x1e8/0x3b4 [ 109.389520] test_use_after_free_read+0xdc/0x1a0 [ 109.390029] kunit_try_run_case+0x8c/0x124 [ 109.390500] kunit_generic_run_threadfn_adapter+0x38/0x54 [ 109.391117] kthread+0x15c/0x170 [ 109.391544] ret_from_fork+0x10/0x20 [ 109.391963] [ 109.392196] freed by task 263 on cpu 1 at 109.381704s: [ 109.392871] test_use_after_free_read+0x104/0x1a0 [ 109.393366] kunit_try_run_case+0x8c/0x124 [ 109.393853] kunit_generic_run_threadfn_adapter+0x38/0x54 [ 109.394434] kthread+0x15c/0x170 [ 109.394876] ret_from_fork+0x10/0x20 [ 109.395293] [ 109.395531] CPU: 1 PID: 263 Comm: kunit_try_catch Tainted: G B N 6.1.146-rc1 #1 [ 109.396285] Hardware name: linux,dummy-virt (DT) [ 109.396727] ================================================================== [ 109.486270] ================================================================== [ 109.487003] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x10c/0x1a0 [ 109.487003] [ 109.487884] Use-after-free read at 0x000000008f8528c3 (in kfence-#145): [ 109.488558] test_use_after_free_read+0x10c/0x1a0 [ 109.489093] kunit_try_run_case+0x8c/0x124 [ 109.489583] kunit_generic_run_threadfn_adapter+0x38/0x54 [ 109.490186] kthread+0x15c/0x170 [ 109.490608] ret_from_fork+0x10/0x20 [ 109.491053] [ 109.491270] kfence-#145: 0x000000008f8528c3-0x000000007223424f, size=32, cache=test [ 109.491270] [ 109.492085] allocated by task 264 on cpu 1 at 109.485170s: [ 109.492715] test_alloc+0x1d8/0x3b4 [ 109.493160] test_use_after_free_read+0xdc/0x1a0 [ 109.493637] kunit_try_run_case+0x8c/0x124 [ 109.494124] kunit_generic_run_threadfn_adapter+0x38/0x54 [ 109.494703] kthread+0x15c/0x170 [ 109.495124] ret_from_fork+0x10/0x20 [ 109.495573] [ 109.495802] freed by task 264 on cpu 1 at 109.485673s: [ 109.496493] test_use_after_free_read+0xfc/0x1a0 [ 109.497011] kunit_try_run_case+0x8c/0x124 [ 109.497473] kunit_generic_run_threadfn_adapter+0x38/0x54 [ 109.498075] kthread+0x15c/0x170 [ 109.498478] ret_from_fork+0x10/0x20 [ 109.498950] [ 109.499193] CPU: 1 PID: 264 Comm: kunit_try_catch Tainted: G B N 6.1.146-rc1 #1 [ 109.499941] Hardware name: linux,dummy-virt (DT) [ 109.500392] ==================================================================
[ 15.651254] ================================================================== [ 15.651571] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x75/0xc4 [ 15.651571] [ 15.651894] Use-after-free read at 0x(ptrval) (in kfence-#29): [ 15.652158] test_use_after_free_read+0x75/0xc4 [ 15.652794] kunit_try_run_case+0x52/0x80 [ 15.653044] kunit_generic_run_threadfn_adapter+0x16/0x20 [ 15.653226] kthread+0xda/0x100 [ 15.653586] ret_from_fork+0x1c/0x28 [ 15.653719] [ 15.653769] kfence-#29: 0x(ptrval)-0x(ptrval), size=32, cache=kmalloc-32 [ 15.653769] [ 15.654272] allocated by task 203 on cpu 0 at 15.651109s: [ 15.654602] test_alloc+0xc2/0x224 [ 15.654800] test_use_after_free_read+0x56/0xc4 [ 15.654990] kunit_try_run_case+0x52/0x80 [ 15.655255] kunit_generic_run_threadfn_adapter+0x16/0x20 [ 15.655435] kthread+0xda/0x100 [ 15.655627] ret_from_fork+0x1c/0x28 [ 15.655816] [ 15.655937] freed by task 203 on cpu 0 at 15.651149s: [ 15.656315] test_use_after_free_read+0x75/0xc4 [ 15.656492] kunit_try_run_case+0x52/0x80 [ 15.656750] kunit_generic_run_threadfn_adapter+0x16/0x20 [ 15.657019] kthread+0xda/0x100 [ 15.657135] ret_from_fork+0x1c/0x28 [ 15.657270] [ 15.657450] CPU: 0 PID: 203 Comm: kunit_try_catch Tainted: G B N 6.1.146-rc1 #1 [ 15.657905] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.658290] ================================================================== [ 15.755243] ================================================================== [ 15.755540] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x75/0xc4 [ 15.755540] [ 15.755820] Use-after-free read at 0x(ptrval) (in kfence-#30): [ 15.756369] test_use_after_free_read+0x75/0xc4 [ 15.756541] kunit_try_run_case+0x52/0x80 [ 15.756760] kunit_generic_run_threadfn_adapter+0x16/0x20 [ 15.756962] kthread+0xda/0x100 [ 15.757104] ret_from_fork+0x1c/0x28 [ 15.757249] [ 15.757301] kfence-#30: 0x(ptrval)-0x(ptrval), size=32, cache=test [ 15.757301] [ 15.757563] allocated by task 204 on cpu 0 at 15.755139s: [ 15.757805] test_alloc+0xb7/0x224 [ 15.758461] test_use_after_free_read+0x56/0xc4 [ 15.758627] kunit_try_run_case+0x52/0x80 [ 15.758782] kunit_generic_run_threadfn_adapter+0x16/0x20 [ 15.759041] kthread+0xda/0x100 [ 15.759278] ret_from_fork+0x1c/0x28 [ 15.759471] [ 15.759604] freed by task 204 on cpu 0 at 15.755193s: [ 15.759893] test_use_after_free_read+0x6c/0xc4 [ 15.760055] kunit_try_run_case+0x52/0x80 [ 15.760304] kunit_generic_run_threadfn_adapter+0x16/0x20 [ 15.760560] kthread+0xda/0x100 [ 15.760684] ret_from_fork+0x1c/0x28 [ 15.760856] [ 15.760996] CPU: 0 PID: 204 Comm: kunit_try_catch Tainted: G B N 6.1.146-rc1 #1 [ 15.761365] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.761687] ==================================================================
[ 34.034197] ================================================================== [ 34.034717] BUG: KFENCE: use-after-free read in test_use_after_free_read+0xf8/0x174 [ 34.034717] [ 34.035238] Use-after-free read at 0x(____ptrval____) (in kfence-#90): [ 34.036050] test_use_after_free_read+0xf8/0x174 [ 34.036585] kunit_try_run_case+0x8f/0xd0 [ 34.036838] kunit_generic_run_threadfn_adapter+0x2f/0x50 [ 34.037128] kthread+0x17b/0x1b0 [ 34.037344] ret_from_fork+0x22/0x30 [ 34.037650] [ 34.037784] kfence-#90: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 34.037784] [ 34.038236] allocated by task 283 on cpu 0 at 34.033796s: [ 34.038629] test_alloc+0x21e/0x7f3 [ 34.038875] test_use_after_free_read+0xc7/0x174 [ 34.039126] kunit_try_run_case+0x8f/0xd0 [ 34.039784] kunit_generic_run_threadfn_adapter+0x2f/0x50 [ 34.040039] kthread+0x17b/0x1b0 [ 34.040216] ret_from_fork+0x22/0x30 [ 34.040411] [ 34.040555] freed by task 283 on cpu 0 at 34.033963s: [ 34.040872] test_use_after_free_read+0xec/0x174 [ 34.041094] kunit_try_run_case+0x8f/0xd0 [ 34.041424] kunit_generic_run_threadfn_adapter+0x2f/0x50 [ 34.041724] kthread+0x17b/0x1b0 [ 34.041940] ret_from_fork+0x22/0x30 [ 34.042195] [ 34.042335] CPU: 0 PID: 283 Comm: kunit_try_catch Tainted: G B N 6.1.146-rc1 #1 [ 34.043678] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 34.044137] ================================================================== [ 34.138142] ================================================================== [ 34.138770] BUG: KFENCE: use-after-free read in test_use_after_free_read+0xf8/0x174 [ 34.138770] [ 34.139282] Use-after-free read at 0x(____ptrval____) (in kfence-#91): [ 34.139566] test_use_after_free_read+0xf8/0x174 [ 34.139869] kunit_try_run_case+0x8f/0xd0 [ 34.140112] kunit_generic_run_threadfn_adapter+0x2f/0x50 [ 34.140406] kthread+0x17b/0x1b0 [ 34.140692] ret_from_fork+0x22/0x30 [ 34.140898] [ 34.141019] kfence-#91: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 34.141019] [ 34.141527] allocated by task 284 on cpu 1 at 34.137819s: [ 34.141793] test_alloc+0x20d/0x7f3 [ 34.142025] test_use_after_free_read+0xc7/0x174 [ 34.142302] kunit_try_run_case+0x8f/0xd0 [ 34.142553] kunit_generic_run_threadfn_adapter+0x2f/0x50 [ 34.142843] kthread+0x17b/0x1b0 [ 34.143012] ret_from_fork+0x22/0x30 [ 34.143236] [ 34.143365] freed by task 284 on cpu 1 at 34.137963s: [ 34.143715] test_use_after_free_read+0xe2/0x174 [ 34.143929] kunit_try_run_case+0x8f/0xd0 [ 34.144130] kunit_generic_run_threadfn_adapter+0x2f/0x50 [ 34.144556] kthread+0x17b/0x1b0 [ 34.144768] ret_from_fork+0x22/0x30 [ 34.144968] [ 34.145101] CPU: 1 PID: 284 Comm: kunit_try_catch Tainted: G B N 6.1.146-rc1 #1 [ 34.145542] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 34.145987] ==================================================================