Date
June 24, 2025, 12:47 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 30.457781] ================================================================== [ 30.458439] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 30.458439] [ 30.458617] Use-after-free read at 0x000000005daa90f8 (in kfence-#124): [ 30.458680] test_use_after_free_read+0x114/0x248 [ 30.458778] kunit_try_run_case+0x170/0x3f0 [ 30.458904] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.459147] kthread+0x328/0x630 [ 30.459424] ret_from_fork+0x10/0x20 [ 30.460068] [ 30.460165] kfence-#124: 0x000000005daa90f8-0x00000000926a8755, size=32, cache=kmalloc-32 [ 30.460165] [ 30.460349] allocated by task 297 on cpu 1 at 30.457033s (0.003303s ago): [ 30.461013] test_alloc+0x29c/0x628 [ 30.461116] test_use_after_free_read+0xd0/0x248 [ 30.461659] kunit_try_run_case+0x170/0x3f0 [ 30.461858] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.462414] kthread+0x328/0x630 [ 30.462517] ret_from_fork+0x10/0x20 [ 30.462960] [ 30.463017] freed by task 297 on cpu 1 at 30.457151s (0.005858s ago): [ 30.463600] test_use_after_free_read+0x1c0/0x248 [ 30.464322] kunit_try_run_case+0x170/0x3f0 [ 30.464494] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.464656] kthread+0x328/0x630 [ 30.465020] ret_from_fork+0x10/0x20 [ 30.465427] [ 30.465764] CPU: 1 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT [ 30.466076] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.466647] Hardware name: linux,dummy-virt (DT) [ 30.466779] ================================================================== [ 30.558224] ================================================================== [ 30.558555] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 30.558555] [ 30.558919] Use-after-free read at 0x0000000084f26998 (in kfence-#125): [ 30.559171] test_use_after_free_read+0x114/0x248 [ 30.559289] kunit_try_run_case+0x170/0x3f0 [ 30.559416] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.559531] kthread+0x328/0x630 [ 30.559639] ret_from_fork+0x10/0x20 [ 30.559736] [ 30.559792] kfence-#125: 0x0000000084f26998-0x000000002ac581e2, size=32, cache=test [ 30.559792] [ 30.559921] allocated by task 299 on cpu 1 at 30.557587s (0.002315s ago): [ 30.560127] test_alloc+0x230/0x628 [ 30.560280] test_use_after_free_read+0xd0/0x248 [ 30.560425] kunit_try_run_case+0x170/0x3f0 [ 30.560920] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.561527] kthread+0x328/0x630 [ 30.561722] ret_from_fork+0x10/0x20 [ 30.561842] [ 30.561901] freed by task 299 on cpu 1 at 30.557676s (0.004217s ago): [ 30.562824] test_use_after_free_read+0xf0/0x248 [ 30.563023] kunit_try_run_case+0x170/0x3f0 [ 30.563161] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.563284] kthread+0x328/0x630 [ 30.563780] ret_from_fork+0x10/0x20 [ 30.563990] [ 30.564172] CPU: 1 UID: 0 PID: 299 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT [ 30.564584] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.564681] Hardware name: linux,dummy-virt (DT) [ 30.564767] ==================================================================
[ 17.867316] ================================================================== [ 17.867881] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.867881] [ 17.868397] Use-after-free read at 0x(____ptrval____) (in kfence-#87): [ 17.868768] test_use_after_free_read+0x129/0x270 [ 17.869142] kunit_try_run_case+0x1a5/0x480 [ 17.869375] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.869786] kthread+0x337/0x6f0 [ 17.869931] ret_from_fork+0x41/0x80 [ 17.870101] ret_from_fork_asm+0x1a/0x30 [ 17.870281] [ 17.870387] kfence-#87: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.870387] [ 17.870877] allocated by task 315 on cpu 1 at 17.866915s (0.003957s ago): [ 17.871462] test_alloc+0x364/0x10f0 [ 17.871839] test_use_after_free_read+0xdc/0x270 [ 17.872251] kunit_try_run_case+0x1a5/0x480 [ 17.872605] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.872927] kthread+0x337/0x6f0 [ 17.873085] ret_from_fork+0x41/0x80 [ 17.873247] ret_from_fork_asm+0x1a/0x30 [ 17.873466] [ 17.873896] freed by task 315 on cpu 1 at 17.867033s (0.006650s ago): [ 17.874609] test_use_after_free_read+0x1e7/0x270 [ 17.874974] kunit_try_run_case+0x1a5/0x480 [ 17.875314] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.875749] kthread+0x337/0x6f0 [ 17.876017] ret_from_fork+0x41/0x80 [ 17.876293] ret_from_fork_asm+0x1a/0x30 [ 17.876726] [ 17.876996] CPU: 1 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT(voluntary) [ 17.877768] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.878063] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.878608] ================================================================== [ 17.971033] ================================================================== [ 17.971461] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.971461] [ 17.971837] Use-after-free read at 0x(____ptrval____) (in kfence-#88): [ 17.972165] test_use_after_free_read+0x129/0x270 [ 17.972524] kunit_try_run_case+0x1a5/0x480 [ 17.972829] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.973073] kthread+0x337/0x6f0 [ 17.973238] ret_from_fork+0x41/0x80 [ 17.973476] ret_from_fork_asm+0x1a/0x30 [ 17.973654] [ 17.973759] kfence-#88: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 17.973759] [ 17.974422] allocated by task 317 on cpu 1 at 17.970825s (0.003591s ago): [ 17.974950] test_alloc+0x2a6/0x10f0 [ 17.975120] test_use_after_free_read+0xdc/0x270 [ 17.975302] kunit_try_run_case+0x1a5/0x480 [ 17.975481] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.975816] kthread+0x337/0x6f0 [ 17.976067] ret_from_fork+0x41/0x80 [ 17.976311] ret_from_fork_asm+0x1a/0x30 [ 17.976595] [ 17.976772] freed by task 317 on cpu 1 at 17.970919s (0.005848s ago): [ 17.977327] test_use_after_free_read+0xfb/0x270 [ 17.977589] kunit_try_run_case+0x1a5/0x480 [ 17.977811] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.978071] kthread+0x337/0x6f0 [ 17.978324] ret_from_fork+0x41/0x80 [ 17.978496] ret_from_fork_asm+0x1a/0x30 [ 17.978686] [ 17.978850] CPU: 1 UID: 0 PID: 317 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc2 #1 PREEMPT(voluntary) [ 17.979330] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.979586] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.980124] ==================================================================