Date
July 9, 2025, 1:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 34.094602] ================================================================== [ 34.094743] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 34.094743] [ 34.094844] Use-after-free read at 0x000000007314f1fc (in kfence-#128): [ 34.094896] test_use_after_free_read+0x114/0x248 [ 34.094998] kunit_try_run_case+0x170/0x3f0 [ 34.095045] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.095266] kthread+0x328/0x630 [ 34.095388] ret_from_fork+0x10/0x20 [ 34.095434] [ 34.095671] kfence-#128: 0x000000007314f1fc-0x0000000094af55f6, size=32, cache=kmalloc-32 [ 34.095671] [ 34.095872] allocated by task 327 on cpu 1 at 34.093964s (0.001819s ago): [ 34.096126] test_alloc+0x29c/0x628 [ 34.096225] test_use_after_free_read+0xd0/0x248 [ 34.096344] kunit_try_run_case+0x170/0x3f0 [ 34.096385] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.096582] kthread+0x328/0x630 [ 34.096735] ret_from_fork+0x10/0x20 [ 34.096778] [ 34.096953] freed by task 327 on cpu 1 at 34.094041s (0.002792s ago): [ 34.097296] test_use_after_free_read+0x1c0/0x248 [ 34.097434] kunit_try_run_case+0x170/0x3f0 [ 34.097595] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.097693] kthread+0x328/0x630 [ 34.097846] ret_from_fork+0x10/0x20 [ 34.097977] [ 34.098121] CPU: 1 UID: 0 PID: 327 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250709 #1 PREEMPT [ 34.098296] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.098346] Hardware name: linux,dummy-virt (DT) [ 34.098381] ================================================================== [ 34.198164] ================================================================== [ 34.198453] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 34.198453] [ 34.198570] Use-after-free read at 0x000000005da92860 (in kfence-#129): [ 34.198624] test_use_after_free_read+0x114/0x248 [ 34.199094] kunit_try_run_case+0x170/0x3f0 [ 34.199173] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.199783] kthread+0x328/0x630 [ 34.199939] ret_from_fork+0x10/0x20 [ 34.200008] [ 34.200308] kfence-#129: 0x000000005da92860-0x000000006fdc1fa5, size=32, cache=test [ 34.200308] [ 34.200406] allocated by task 329 on cpu 1 at 34.197805s (0.002570s ago): [ 34.200484] test_alloc+0x230/0x628 [ 34.200986] test_use_after_free_read+0xd0/0x248 [ 34.201181] kunit_try_run_case+0x170/0x3f0 [ 34.201304] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.201458] kthread+0x328/0x630 [ 34.201514] ret_from_fork+0x10/0x20 [ 34.201881] [ 34.202031] freed by task 329 on cpu 1 at 34.197906s (0.004032s ago): [ 34.202960] test_use_after_free_read+0xf0/0x248 [ 34.203168] kunit_try_run_case+0x170/0x3f0 [ 34.203230] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.203277] kthread+0x328/0x630 [ 34.203316] ret_from_fork+0x10/0x20 [ 34.203383] [ 34.203430] CPU: 1 UID: 0 PID: 329 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250709 #1 PREEMPT [ 34.203543] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.203600] Hardware name: linux,dummy-virt (DT) [ 34.203869] ==================================================================
[ 29.460371] ================================================================== [ 29.460788] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 29.460788] [ 29.461206] Use-after-free read at 0x(____ptrval____) (in kfence-#97): [ 29.461520] test_use_after_free_read+0x129/0x270 [ 29.461727] kunit_try_run_case+0x1a5/0x480 [ 29.461923] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.462164] kthread+0x337/0x6f0 [ 29.462284] ret_from_fork+0x116/0x1d0 [ 29.462413] ret_from_fork_asm+0x1a/0x30 [ 29.462609] [ 29.462713] kfence-#97: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 29.462713] [ 29.463164] allocated by task 347 on cpu 1 at 29.460233s (0.002929s ago): [ 29.463398] test_alloc+0x2a6/0x10f0 [ 29.463570] test_use_after_free_read+0xdc/0x270 [ 29.463825] kunit_try_run_case+0x1a5/0x480 [ 29.464027] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.464214] kthread+0x337/0x6f0 [ 29.464328] ret_from_fork+0x116/0x1d0 [ 29.464479] ret_from_fork_asm+0x1a/0x30 [ 29.464675] [ 29.464789] freed by task 347 on cpu 1 at 29.460291s (0.004483s ago): [ 29.465114] test_use_after_free_read+0xfb/0x270 [ 29.465343] kunit_try_run_case+0x1a5/0x480 [ 29.465492] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.465684] kthread+0x337/0x6f0 [ 29.465942] ret_from_fork+0x116/0x1d0 [ 29.466101] ret_from_fork_asm+0x1a/0x30 [ 29.466283] [ 29.466395] CPU: 1 UID: 0 PID: 347 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) [ 29.466894] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 29.467117] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.467477] ================================================================== [ 29.356492] ================================================================== [ 29.356968] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 29.356968] [ 29.357455] Use-after-free read at 0x(____ptrval____) (in kfence-#96): [ 29.357740] test_use_after_free_read+0x129/0x270 [ 29.357952] kunit_try_run_case+0x1a5/0x480 [ 29.358160] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.358667] kthread+0x337/0x6f0 [ 29.358894] ret_from_fork+0x116/0x1d0 [ 29.359453] ret_from_fork_asm+0x1a/0x30 [ 29.359718] [ 29.359964] kfence-#96: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 29.359964] [ 29.360361] allocated by task 345 on cpu 0 at 29.356232s (0.004126s ago): [ 29.360653] test_alloc+0x364/0x10f0 [ 29.361144] test_use_after_free_read+0xdc/0x270 [ 29.361387] kunit_try_run_case+0x1a5/0x480 [ 29.361568] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.361837] kthread+0x337/0x6f0 [ 29.362134] ret_from_fork+0x116/0x1d0 [ 29.362288] ret_from_fork_asm+0x1a/0x30 [ 29.362511] [ 29.362752] freed by task 345 on cpu 0 at 29.356325s (0.006323s ago): [ 29.363406] test_use_after_free_read+0x1e7/0x270 [ 29.363732] kunit_try_run_case+0x1a5/0x480 [ 29.363978] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.364342] kthread+0x337/0x6f0 [ 29.364521] ret_from_fork+0x116/0x1d0 [ 29.364840] ret_from_fork_asm+0x1a/0x30 [ 29.365229] [ 29.365389] CPU: 0 UID: 0 PID: 345 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) [ 29.365764] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 29.366390] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.367258] ==================================================================