Date
July 8, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 23.346105] ================================================================== [ 23.346206] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 23.346206] [ 23.346289] Use-after-free read at 0x000000006cb98fe6 (in kfence-#85): [ 23.346347] test_use_after_free_read+0x114/0x248 [ 23.346395] kunit_try_run_case+0x170/0x3f0 [ 23.346441] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.346494] kthread+0x328/0x630 [ 23.346536] ret_from_fork+0x10/0x20 [ 23.346578] [ 23.346601] kfence-#85: 0x000000006cb98fe6-0x00000000272bd303, size=32, cache=test [ 23.346601] [ 23.346664] allocated by task 297 on cpu 0 at 23.345824s (0.000835s ago): [ 23.346734] test_alloc+0x230/0x628 [ 23.346785] test_use_after_free_read+0xd0/0x248 [ 23.346831] kunit_try_run_case+0x170/0x3f0 [ 23.346878] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.346927] kthread+0x328/0x630 [ 23.346963] ret_from_fork+0x10/0x20 [ 23.347007] [ 23.347031] freed by task 297 on cpu 0 at 23.345890s (0.001137s ago): [ 23.347130] test_use_after_free_read+0xf0/0x248 [ 23.347211] kunit_try_run_case+0x170/0x3f0 [ 23.347251] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.347294] kthread+0x328/0x630 [ 23.347331] ret_from_fork+0x10/0x20 [ 23.347369] [ 23.347411] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 23.347498] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.347526] Hardware name: linux,dummy-virt (DT) [ 23.347583] ================================================================== [ 23.241217] ================================================================== [ 23.241299] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 23.241299] [ 23.241425] Use-after-free read at 0x00000000fab6fab3 (in kfence-#84): [ 23.241793] test_use_after_free_read+0x114/0x248 [ 23.241863] kunit_try_run_case+0x170/0x3f0 [ 23.241911] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.241956] kthread+0x328/0x630 [ 23.242266] ret_from_fork+0x10/0x20 [ 23.242335] [ 23.242361] kfence-#84: 0x00000000fab6fab3-0x0000000068bb32da, size=32, cache=kmalloc-32 [ 23.242361] [ 23.242492] allocated by task 295 on cpu 0 at 23.240181s (0.002279s ago): [ 23.242568] test_alloc+0x29c/0x628 [ 23.242641] test_use_after_free_read+0xd0/0x248 [ 23.242721] kunit_try_run_case+0x170/0x3f0 [ 23.242765] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.242819] kthread+0x328/0x630 [ 23.242856] ret_from_fork+0x10/0x20 [ 23.243108] [ 23.243150] freed by task 295 on cpu 0 at 23.240240s (0.002904s ago): [ 23.243235] test_use_after_free_read+0x1c0/0x248 [ 23.243280] kunit_try_run_case+0x170/0x3f0 [ 23.243547] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.243684] kthread+0x328/0x630 [ 23.243852] ret_from_fork+0x10/0x20 [ 23.244056] [ 23.244277] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 23.244408] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.244436] Hardware name: linux,dummy-virt (DT) [ 23.244478] ==================================================================
[ 17.689495] ================================================================== [ 17.689962] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.689962] [ 17.690861] Use-after-free read at 0x(____ptrval____) (in kfence-#68): [ 17.691137] test_use_after_free_read+0x129/0x270 [ 17.691376] kunit_try_run_case+0x1a5/0x480 [ 17.691628] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.691835] kthread+0x337/0x6f0 [ 17.692036] ret_from_fork+0x116/0x1d0 [ 17.692187] ret_from_fork_asm+0x1a/0x30 [ 17.692328] [ 17.692411] kfence-#68: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.692411] [ 17.692912] allocated by task 313 on cpu 1 at 17.689275s (0.003636s ago): [ 17.693381] test_alloc+0x364/0x10f0 [ 17.693617] test_use_after_free_read+0xdc/0x270 [ 17.693820] kunit_try_run_case+0x1a5/0x480 [ 17.694049] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.694293] kthread+0x337/0x6f0 [ 17.694448] ret_from_fork+0x116/0x1d0 [ 17.694664] ret_from_fork_asm+0x1a/0x30 [ 17.694923] [ 17.695165] freed by task 313 on cpu 1 at 17.689334s (0.005748s ago): [ 17.695524] test_use_after_free_read+0x1e7/0x270 [ 17.695838] kunit_try_run_case+0x1a5/0x480 [ 17.696059] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.696297] kthread+0x337/0x6f0 [ 17.696455] ret_from_fork+0x116/0x1d0 [ 17.696588] ret_from_fork_asm+0x1a/0x30 [ 17.696956] [ 17.697107] CPU: 1 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 17.697638] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.697847] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.698234] ================================================================== [ 17.793396] ================================================================== [ 17.793876] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.793876] [ 17.794371] Use-after-free read at 0x(____ptrval____) (in kfence-#69): [ 17.794722] test_use_after_free_read+0x129/0x270 [ 17.794899] kunit_try_run_case+0x1a5/0x480 [ 17.795112] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.795377] kthread+0x337/0x6f0 [ 17.795558] ret_from_fork+0x116/0x1d0 [ 17.795840] ret_from_fork_asm+0x1a/0x30 [ 17.796038] [ 17.796183] kfence-#69: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 17.796183] [ 17.796612] allocated by task 315 on cpu 0 at 17.793257s (0.003352s ago): [ 17.796953] test_alloc+0x2a6/0x10f0 [ 17.797162] test_use_after_free_read+0xdc/0x270 [ 17.797388] kunit_try_run_case+0x1a5/0x480 [ 17.797537] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.797915] kthread+0x337/0x6f0 [ 17.798052] ret_from_fork+0x116/0x1d0 [ 17.798188] ret_from_fork_asm+0x1a/0x30 [ 17.798348] [ 17.798448] freed by task 315 on cpu 0 at 17.793310s (0.005135s ago): [ 17.798936] test_use_after_free_read+0xfb/0x270 [ 17.799575] kunit_try_run_case+0x1a5/0x480 [ 17.800087] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.800305] kthread+0x337/0x6f0 [ 17.800586] ret_from_fork+0x116/0x1d0 [ 17.800903] ret_from_fork_asm+0x1a/0x30 [ 17.801206] [ 17.801334] CPU: 0 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 17.801961] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.802253] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.802852] ==================================================================