Date
July 25, 2025, 3:13 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 36.969861] ================================================================== [ 36.970020] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 36.970020] [ 36.970129] Use-after-free read at 0x000000002149d620 (in kfence-#130): [ 36.970420] test_use_after_free_read+0x114/0x248 [ 36.970487] kunit_try_run_case+0x170/0x3f0 [ 36.970724] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.970818] kthread+0x328/0x630 [ 36.970865] ret_from_fork+0x10/0x20 [ 36.970997] [ 36.971055] kfence-#130: 0x000000002149d620-0x0000000020883beb, size=32, cache=test [ 36.971055] [ 36.971185] allocated by task 329 on cpu 0 at 36.969069s (0.002099s ago): [ 36.971381] test_alloc+0x230/0x628 [ 36.971538] test_use_after_free_read+0xd0/0x248 [ 36.971895] kunit_try_run_case+0x170/0x3f0 [ 36.971981] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.972029] kthread+0x328/0x630 [ 36.972100] ret_from_fork+0x10/0x20 [ 36.972164] [ 36.972199] freed by task 329 on cpu 0 at 36.969663s (0.002532s ago): [ 36.972627] test_use_after_free_read+0xf0/0x248 [ 36.972729] kunit_try_run_case+0x170/0x3f0 [ 36.972775] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.972950] kthread+0x328/0x630 [ 36.973163] ret_from_fork+0x10/0x20 [ 36.973455] [ 36.973636] CPU: 0 UID: 0 PID: 329 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc7-next-20250725 #1 PREEMPT [ 36.974130] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 36.974197] Hardware name: linux,dummy-virt (DT) [ 36.974258] ================================================================== [ 36.865249] ================================================================== [ 36.865376] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 36.865376] [ 36.865490] Use-after-free read at 0x0000000015bad9b4 (in kfence-#129): [ 36.865548] test_use_after_free_read+0x114/0x248 [ 36.865594] kunit_try_run_case+0x170/0x3f0 [ 36.865652] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.865700] kthread+0x328/0x630 [ 36.865740] ret_from_fork+0x10/0x20 [ 36.865783] [ 36.865818] kfence-#129: 0x0000000015bad9b4-0x000000002ebecb11, size=32, cache=kmalloc-32 [ 36.865818] [ 36.865877] allocated by task 327 on cpu 0 at 36.864412s (0.001460s ago): [ 36.865952] test_alloc+0x29c/0x628 [ 36.865998] test_use_after_free_read+0xd0/0x248 [ 36.866040] kunit_try_run_case+0x170/0x3f0 [ 36.866087] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.866134] kthread+0x328/0x630 [ 36.866172] ret_from_fork+0x10/0x20 [ 36.866212] [ 36.866245] freed by task 327 on cpu 0 at 36.864922s (0.001310s ago): [ 36.866313] test_use_after_free_read+0x1c0/0x248 [ 36.866355] kunit_try_run_case+0x170/0x3f0 [ 36.866395] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 36.866439] kthread+0x328/0x630 [ 36.866476] ret_from_fork+0x10/0x20 [ 36.866517] [ 36.866575] CPU: 0 UID: 0 PID: 327 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc7-next-20250725 #1 PREEMPT [ 36.866679] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 36.866712] Hardware name: linux,dummy-virt (DT) [ 36.866749] ==================================================================
[ 31.124290] ================================================================== [ 31.124743] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 31.124743] [ 31.125321] Use-after-free read at 0x(____ptrval____) (in kfence-#92): [ 31.125582] test_use_after_free_read+0x129/0x270 [ 31.125789] kunit_try_run_case+0x1a5/0x480 [ 31.125954] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 31.126271] kthread+0x337/0x6f0 [ 31.126455] ret_from_fork+0x116/0x1d0 [ 31.126599] ret_from_fork_asm+0x1a/0x30 [ 31.126764] [ 31.126862] kfence-#92: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 31.126862] [ 31.127288] allocated by task 344 on cpu 1 at 31.124076s (0.003209s ago): [ 31.127595] test_alloc+0x364/0x10f0 [ 31.127741] test_use_after_free_read+0xdc/0x270 [ 31.127900] kunit_try_run_case+0x1a5/0x480 [ 31.128119] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 31.128558] kthread+0x337/0x6f0 [ 31.128732] ret_from_fork+0x116/0x1d0 [ 31.128890] ret_from_fork_asm+0x1a/0x30 [ 31.129131] [ 31.129327] freed by task 344 on cpu 1 at 31.124137s (0.005111s ago): [ 31.129618] test_use_after_free_read+0x1e7/0x270 [ 31.129856] kunit_try_run_case+0x1a5/0x480 [ 31.130044] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 31.130270] kthread+0x337/0x6f0 [ 31.130473] ret_from_fork+0x116/0x1d0 [ 31.130608] ret_from_fork_asm+0x1a/0x30 [ 31.130761] [ 31.130854] CPU: 1 UID: 0 PID: 344 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7-next-20250725 #1 PREEMPT(voluntary) [ 31.131390] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.131566] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 31.131842] ================================================================== [ 31.228202] ================================================================== [ 31.228592] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 31.228592] [ 31.229064] Use-after-free read at 0x(____ptrval____) (in kfence-#93): [ 31.229533] test_use_after_free_read+0x129/0x270 [ 31.229787] kunit_try_run_case+0x1a5/0x480 [ 31.229967] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 31.230332] kthread+0x337/0x6f0 [ 31.230894] ret_from_fork+0x116/0x1d0 [ 31.231075] ret_from_fork_asm+0x1a/0x30 [ 31.231280] [ 31.231445] kfence-#93: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 31.231445] [ 31.231977] allocated by task 346 on cpu 1 at 31.228095s (0.003879s ago): [ 31.232471] test_alloc+0x2a6/0x10f0 [ 31.232619] test_use_after_free_read+0xdc/0x270 [ 31.232989] kunit_try_run_case+0x1a5/0x480 [ 31.233313] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 31.233555] kthread+0x337/0x6f0 [ 31.233700] ret_from_fork+0x116/0x1d0 [ 31.233874] ret_from_fork_asm+0x1a/0x30 [ 31.234293] [ 31.234402] freed by task 346 on cpu 1 at 31.228135s (0.006265s ago): [ 31.234774] test_use_after_free_read+0xfb/0x270 [ 31.234989] kunit_try_run_case+0x1a5/0x480 [ 31.235337] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 31.235582] kthread+0x337/0x6f0 [ 31.235869] ret_from_fork+0x116/0x1d0 [ 31.236072] ret_from_fork_asm+0x1a/0x30 [ 31.236373] [ 31.236482] CPU: 1 UID: 0 PID: 346 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7-next-20250725 #1 PREEMPT(voluntary) [ 31.237006] Tainted: [B]=BAD_PAGE, [N]=TEST [ 31.237445] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 31.237879] ==================================================================