Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 28.647634] ================================================================== [ 28.647796] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 28.647796] [ 28.648002] Use-after-free read at 0x00000000a27834e6 (in kfence-#137): [ 28.648125] test_use_after_free_read+0x114/0x248 [ 28.648257] kunit_try_run_case+0x170/0x3f0 [ 28.648379] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.648517] kthread+0x328/0x630 [ 28.648617] ret_from_fork+0x10/0x20 [ 28.648713] [ 28.648774] kfence-#137: 0x00000000a27834e6-0x00000000a2206f7a, size=32, cache=test [ 28.648774] [ 28.648902] allocated by task 301 on cpu 1 at 28.644161s (0.004733s ago): [ 28.649067] test_alloc+0x230/0x628 [ 28.649164] test_use_after_free_read+0xd0/0x248 [ 28.649269] kunit_try_run_case+0x170/0x3f0 [ 28.649373] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.649483] kthread+0x328/0x630 [ 28.649568] ret_from_fork+0x10/0x20 [ 28.649656] [ 28.649711] freed by task 301 on cpu 1 at 28.644270s (0.005432s ago): [ 28.649863] test_use_after_free_read+0xf0/0x248 [ 28.650451] kunit_try_run_case+0x170/0x3f0 [ 28.650966] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.651086] kthread+0x328/0x630 [ 28.651180] ret_from_fork+0x10/0x20 [ 28.651311] [ 28.651448] CPU: 1 UID: 0 PID: 301 Comm: kunit_try_catch Tainted: G B N 6.15.2-rc1 #1 PREEMPT [ 28.652273] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.652500] Hardware name: linux,dummy-virt (DT) [ 28.652601] ================================================================== [ 28.543586] ================================================================== [ 28.543753] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 28.543753] [ 28.543963] Use-after-free read at 0x000000003deb452f (in kfence-#136): [ 28.544084] test_use_after_free_read+0x114/0x248 [ 28.544216] kunit_try_run_case+0x170/0x3f0 [ 28.544338] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.544469] kthread+0x328/0x630 [ 28.544578] ret_from_fork+0x10/0x20 [ 28.544689] [ 28.544751] kfence-#136: 0x000000003deb452f-0x00000000a086436e, size=32, cache=kmalloc-32 [ 28.544751] [ 28.544950] allocated by task 299 on cpu 1 at 28.541824s (0.003117s ago): [ 28.545112] test_alloc+0x29c/0x628 [ 28.545214] test_use_after_free_read+0xd0/0x248 [ 28.545319] kunit_try_run_case+0x170/0x3f0 [ 28.547109] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.547837] kthread+0x328/0x630 [ 28.548007] ret_from_fork+0x10/0x20 [ 28.548104] [ 28.548399] freed by task 299 on cpu 1 at 28.541957s (0.006429s ago): [ 28.548614] test_use_after_free_read+0x1c0/0x248 [ 28.549001] kunit_try_run_case+0x170/0x3f0 [ 28.549474] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.549607] kthread+0x328/0x630 [ 28.550182] ret_from_fork+0x10/0x20 [ 28.550349] [ 28.550876] CPU: 1 UID: 0 PID: 299 Comm: kunit_try_catch Tainted: G B N 6.15.2-rc1 #1 PREEMPT [ 28.551358] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.551449] Hardware name: linux,dummy-virt (DT) [ 28.551529] ==================================================================
[ 19.976403] ================================================================== [ 19.976999] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 19.976999] [ 19.977410] Use-after-free read at 0x(____ptrval____) (in kfence-#94): [ 19.977744] test_use_after_free_read+0x129/0x270 [ 19.977882] kunit_try_run_case+0x1a5/0x480 [ 19.977992] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.978289] kthread+0x337/0x6f0 [ 19.978501] ret_from_fork+0x41/0x80 [ 19.978766] ret_from_fork_asm+0x1a/0x30 [ 19.979059] [ 19.979329] kfence-#94: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 19.979329] [ 19.979581] allocated by task 315 on cpu 1 at 19.976143s (0.003435s ago): [ 19.980183] test_alloc+0x364/0x10f0 [ 19.980438] test_use_after_free_read+0xdc/0x270 [ 19.980809] kunit_try_run_case+0x1a5/0x480 [ 19.980949] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.981067] kthread+0x337/0x6f0 [ 19.981294] ret_from_fork+0x41/0x80 [ 19.981533] ret_from_fork_asm+0x1a/0x30 [ 19.981951] [ 19.982310] freed by task 315 on cpu 1 at 19.976230s (0.005885s ago): [ 19.982670] test_use_after_free_read+0x1e7/0x270 [ 19.982938] kunit_try_run_case+0x1a5/0x480 [ 19.983170] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.983424] kthread+0x337/0x6f0 [ 19.983654] ret_from_fork+0x41/0x80 [ 19.983864] ret_from_fork_asm+0x1a/0x30 [ 19.984002] [ 19.984531] CPU: 1 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.15.2-rc1 #1 PREEMPT(voluntary) [ 19.984871] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.985107] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.985361] ================================================================== [ 20.080285] ================================================================== [ 20.080651] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 20.080651] [ 20.081051] Use-after-free read at 0x(____ptrval____) (in kfence-#95): [ 20.081182] test_use_after_free_read+0x129/0x270 [ 20.081371] kunit_try_run_case+0x1a5/0x480 [ 20.082112] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 20.082413] kthread+0x337/0x6f0 [ 20.082547] ret_from_fork+0x41/0x80 [ 20.082774] ret_from_fork_asm+0x1a/0x30 [ 20.082946] [ 20.083424] kfence-#95: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 20.083424] [ 20.083659] allocated by task 317 on cpu 0 at 20.080116s (0.003540s ago): [ 20.084174] test_alloc+0x2a6/0x10f0 [ 20.084312] test_use_after_free_read+0xdc/0x270 [ 20.084500] kunit_try_run_case+0x1a5/0x480 [ 20.084671] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 20.085109] kthread+0x337/0x6f0 [ 20.085251] ret_from_fork+0x41/0x80 [ 20.085462] ret_from_fork_asm+0x1a/0x30 [ 20.085729] [ 20.085826] freed by task 317 on cpu 0 at 20.080189s (0.005634s ago): [ 20.086255] test_use_after_free_read+0xfb/0x270 [ 20.086489] kunit_try_run_case+0x1a5/0x480 [ 20.086736] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 20.086940] kthread+0x337/0x6f0 [ 20.087089] ret_from_fork+0x41/0x80 [ 20.087225] ret_from_fork_asm+0x1a/0x30 [ 20.087390] [ 20.087503] CPU: 0 UID: 0 PID: 317 Comm: kunit_try_catch Tainted: G B N 6.15.2-rc1 #1 PREEMPT(voluntary) [ 20.088275] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.088444] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 20.088680] ==================================================================