Date
June 25, 2025, 8:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 31.504415] ================================================================== [ 31.504512] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 31.504512] [ 31.504603] Use-after-free read at 0x00000000844f01de (in kfence-#92): [ 31.504654] test_use_after_free_read+0x114/0x248 [ 31.504701] kunit_try_run_case+0x170/0x3f0 [ 31.504745] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.504791] kthread+0x328/0x630 [ 31.504829] ret_from_fork+0x10/0x20 [ 31.504870] [ 31.504894] kfence-#92: 0x00000000844f01de-0x00000000093164be, size=32, cache=test [ 31.504894] [ 31.504942] allocated by task 309 on cpu 1 at 31.504221s (0.000718s ago): [ 31.505012] test_alloc+0x230/0x628 [ 31.505051] test_use_after_free_read+0xd0/0x248 [ 31.505095] kunit_try_run_case+0x170/0x3f0 [ 31.505134] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.505178] kthread+0x328/0x630 [ 31.505213] ret_from_fork+0x10/0x20 [ 31.505252] [ 31.505275] freed by task 309 on cpu 1 at 31.504280s (0.000991s ago): [ 31.505375] test_use_after_free_read+0xf0/0x248 [ 31.505429] kunit_try_run_case+0x170/0x3f0 [ 31.505470] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.505513] kthread+0x328/0x630 [ 31.505549] ret_from_fork+0x10/0x20 [ 31.505589] [ 31.505633] CPU: 1 UID: 0 PID: 309 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250625 #1 PREEMPT [ 31.505708] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.505737] Hardware name: linux,dummy-virt (DT) [ 31.505771] ================================================================== [ 31.400641] ================================================================== [ 31.400754] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 31.400754] [ 31.400859] Use-after-free read at 0x00000000fade0144 (in kfence-#91): [ 31.400912] test_use_after_free_read+0x114/0x248 [ 31.400960] kunit_try_run_case+0x170/0x3f0 [ 31.401005] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.401049] kthread+0x328/0x630 [ 31.401087] ret_from_fork+0x10/0x20 [ 31.401128] [ 31.401152] kfence-#91: 0x00000000fade0144-0x0000000061ee8479, size=32, cache=kmalloc-32 [ 31.401152] [ 31.401204] allocated by task 307 on cpu 1 at 31.400318s (0.000882s ago): [ 31.401273] test_alloc+0x29c/0x628 [ 31.401314] test_use_after_free_read+0xd0/0x248 [ 31.401356] kunit_try_run_case+0x170/0x3f0 [ 31.401411] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.401456] kthread+0x328/0x630 [ 31.401491] ret_from_fork+0x10/0x20 [ 31.401531] [ 31.401554] freed by task 307 on cpu 1 at 31.400391s (0.001159s ago): [ 31.401617] test_use_after_free_read+0x1c0/0x248 [ 31.401658] kunit_try_run_case+0x170/0x3f0 [ 31.401697] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 31.401740] kthread+0x328/0x630 [ 31.401777] ret_from_fork+0x10/0x20 [ 31.401817] [ 31.401865] CPU: 1 UID: 0 PID: 307 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250625 #1 PREEMPT [ 31.401943] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.401973] Hardware name: linux,dummy-virt (DT) [ 31.402008] ==================================================================
[ 27.356416] ================================================================== [ 27.356820] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 27.356820] [ 27.357182] Use-after-free read at 0x(____ptrval____) (in kfence-#77): [ 27.357454] test_use_after_free_read+0x129/0x270 [ 27.357684] kunit_try_run_case+0x1a5/0x480 [ 27.357920] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.358096] kthread+0x337/0x6f0 [ 27.358278] ret_from_fork+0x116/0x1d0 [ 27.358465] ret_from_fork_asm+0x1a/0x30 [ 27.358668] [ 27.358759] kfence-#77: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 27.358759] [ 27.359035] allocated by task 326 on cpu 0 at 27.356261s (0.002771s ago): [ 27.359345] test_alloc+0x2a6/0x10f0 [ 27.359569] test_use_after_free_read+0xdc/0x270 [ 27.359751] kunit_try_run_case+0x1a5/0x480 [ 27.359889] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.360116] kthread+0x337/0x6f0 [ 27.360292] ret_from_fork+0x116/0x1d0 [ 27.360514] ret_from_fork_asm+0x1a/0x30 [ 27.360739] [ 27.360820] freed by task 326 on cpu 0 at 27.356322s (0.004495s ago): [ 27.361114] test_use_after_free_read+0xfb/0x270 [ 27.361355] kunit_try_run_case+0x1a5/0x480 [ 27.361550] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.361755] kthread+0x337/0x6f0 [ 27.361929] ret_from_fork+0x116/0x1d0 [ 27.362086] ret_from_fork_asm+0x1a/0x30 [ 27.362338] [ 27.362455] CPU: 0 UID: 0 PID: 326 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250625 #1 PREEMPT(voluntary) [ 27.362809] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.362947] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.363336] ================================================================== [ 27.252487] ================================================================== [ 27.252919] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 27.252919] [ 27.253526] Use-after-free read at 0x(____ptrval____) (in kfence-#76): [ 27.253768] test_use_after_free_read+0x129/0x270 [ 27.254127] kunit_try_run_case+0x1a5/0x480 [ 27.254373] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.254585] kthread+0x337/0x6f0 [ 27.254797] ret_from_fork+0x116/0x1d0 [ 27.255048] ret_from_fork_asm+0x1a/0x30 [ 27.255257] [ 27.255378] kfence-#76: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 27.255378] [ 27.255797] allocated by task 324 on cpu 1 at 27.252235s (0.003560s ago): [ 27.256025] test_alloc+0x364/0x10f0 [ 27.256145] test_use_after_free_read+0xdc/0x270 [ 27.256325] kunit_try_run_case+0x1a5/0x480 [ 27.256576] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.256901] kthread+0x337/0x6f0 [ 27.257181] ret_from_fork+0x116/0x1d0 [ 27.257450] ret_from_fork_asm+0x1a/0x30 [ 27.257682] [ 27.257923] freed by task 324 on cpu 1 at 27.252318s (0.005508s ago): [ 27.258890] test_use_after_free_read+0x1e7/0x270 [ 27.259586] kunit_try_run_case+0x1a5/0x480 [ 27.259787] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.259997] kthread+0x337/0x6f0 [ 27.260160] ret_from_fork+0x116/0x1d0 [ 27.260374] ret_from_fork_asm+0x1a/0x30 [ 27.260634] [ 27.260766] CPU: 1 UID: 0 PID: 324 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250625 #1 PREEMPT(voluntary) [ 27.261271] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.261457] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.261860] ==================================================================