Date
July 5, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 24.413990] ================================================================== [ 24.414173] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 24.414173] [ 24.414504] Use-after-free read at 0x0000000014b2c949 (in kfence-#117): [ 24.414608] test_use_after_free_read+0x114/0x248 [ 24.414992] kunit_try_run_case+0x170/0x3f0 [ 24.415493] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.415844] kthread+0x328/0x630 [ 24.416285] ret_from_fork+0x10/0x20 [ 24.416404] [ 24.416458] kfence-#117: 0x0000000014b2c949-0x000000009713ff7d, size=32, cache=kmalloc-32 [ 24.416458] [ 24.416993] allocated by task 296 on cpu 1 at 24.413530s (0.003452s ago): [ 24.417885] test_alloc+0x29c/0x628 [ 24.418045] test_use_after_free_read+0xd0/0x248 [ 24.418167] kunit_try_run_case+0x170/0x3f0 [ 24.418437] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.418618] kthread+0x328/0x630 [ 24.418904] ret_from_fork+0x10/0x20 [ 24.419052] [ 24.419107] freed by task 296 on cpu 1 at 24.413646s (0.005453s ago): [ 24.419506] test_use_after_free_read+0x1c0/0x248 [ 24.419838] kunit_try_run_case+0x170/0x3f0 [ 24.420299] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.420421] kthread+0x328/0x630 [ 24.420503] ret_from_fork+0x10/0x20 [ 24.420941] [ 24.421384] CPU: 1 UID: 0 PID: 296 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 24.421660] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.421893] Hardware name: linux,dummy-virt (DT) [ 24.422162] ================================================================== [ 24.516944] ================================================================== [ 24.517301] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 24.517301] [ 24.517668] Use-after-free read at 0x00000000b01fdd1e (in kfence-#118): [ 24.517967] test_use_after_free_read+0x114/0x248 [ 24.518114] kunit_try_run_case+0x170/0x3f0 [ 24.518257] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.518381] kthread+0x328/0x630 [ 24.518470] ret_from_fork+0x10/0x20 [ 24.518548] [ 24.518614] kfence-#118: 0x00000000b01fdd1e-0x00000000981370e1, size=32, cache=test [ 24.518614] [ 24.518722] allocated by task 298 on cpu 1 at 24.516690s (0.002025s ago): [ 24.518980] test_alloc+0x230/0x628 [ 24.519075] test_use_after_free_read+0xd0/0x248 [ 24.519341] kunit_try_run_case+0x170/0x3f0 [ 24.519576] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.519852] kthread+0x328/0x630 [ 24.519943] ret_from_fork+0x10/0x20 [ 24.520033] [ 24.520085] freed by task 298 on cpu 1 at 24.516774s (0.003304s ago): [ 24.520235] test_use_after_free_read+0xf0/0x248 [ 24.520350] kunit_try_run_case+0x170/0x3f0 [ 24.520500] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 24.520642] kthread+0x328/0x630 [ 24.520731] ret_from_fork+0x10/0x20 [ 24.520829] [ 24.520954] CPU: 1 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 24.521202] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.521293] Hardware name: linux,dummy-virt (DT) [ 24.521399] ==================================================================
[ 19.652410] ================================================================== [ 19.652915] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 19.652915] [ 19.653455] Use-after-free read at 0x(____ptrval____) (in kfence-#79): [ 19.653771] test_use_after_free_read+0x129/0x270 [ 19.654109] kunit_try_run_case+0x1a5/0x480 [ 19.654390] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.654658] kthread+0x337/0x6f0 [ 19.654927] ret_from_fork+0x116/0x1d0 [ 19.655157] ret_from_fork_asm+0x1a/0x30 [ 19.655393] [ 19.655497] kfence-#79: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 19.655497] [ 19.655963] allocated by task 315 on cpu 0 at 19.652183s (0.003777s ago): [ 19.656237] test_alloc+0x2a6/0x10f0 [ 19.656488] test_use_after_free_read+0xdc/0x270 [ 19.656800] kunit_try_run_case+0x1a5/0x480 [ 19.657221] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.657552] kthread+0x337/0x6f0 [ 19.657778] ret_from_fork+0x116/0x1d0 [ 19.657967] ret_from_fork_asm+0x1a/0x30 [ 19.658138] [ 19.658284] freed by task 315 on cpu 0 at 19.652232s (0.006050s ago): [ 19.658719] test_use_after_free_read+0xfb/0x270 [ 19.659078] kunit_try_run_case+0x1a5/0x480 [ 19.659336] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.659653] kthread+0x337/0x6f0 [ 19.659886] ret_from_fork+0x116/0x1d0 [ 19.660072] ret_from_fork_asm+0x1a/0x30 [ 19.660340] [ 19.660518] CPU: 0 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 19.661078] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.661338] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.661795] ================================================================== [ 19.548451] ================================================================== [ 19.548996] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 19.548996] [ 19.549523] Use-after-free read at 0x(____ptrval____) (in kfence-#78): [ 19.549847] test_use_after_free_read+0x129/0x270 [ 19.550132] kunit_try_run_case+0x1a5/0x480 [ 19.550318] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.550626] kthread+0x337/0x6f0 [ 19.551085] ret_from_fork+0x116/0x1d0 [ 19.551319] ret_from_fork_asm+0x1a/0x30 [ 19.551524] [ 19.551630] kfence-#78: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 19.551630] [ 19.552684] allocated by task 313 on cpu 1 at 19.548209s (0.004472s ago): [ 19.553199] test_alloc+0x364/0x10f0 [ 19.553502] test_use_after_free_read+0xdc/0x270 [ 19.553816] kunit_try_run_case+0x1a5/0x480 [ 19.554242] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.554464] kthread+0x337/0x6f0 [ 19.554610] ret_from_fork+0x116/0x1d0 [ 19.554793] ret_from_fork_asm+0x1a/0x30 [ 19.555302] [ 19.555577] freed by task 313 on cpu 1 at 19.548268s (0.007208s ago): [ 19.556151] test_use_after_free_read+0x1e7/0x270 [ 19.556514] kunit_try_run_case+0x1a5/0x480 [ 19.556847] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.557130] kthread+0x337/0x6f0 [ 19.557321] ret_from_fork+0x116/0x1d0 [ 19.557517] ret_from_fork_asm+0x1a/0x30 [ 19.558063] [ 19.558201] CPU: 1 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 19.558970] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.559293] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.559853] ==================================================================