Date
July 12, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 25.613989] ================================================================== [ 25.614091] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 25.614091] [ 25.614203] Use-after-free read at 0x00000000a87746b8 (in kfence-#133): [ 25.614264] test_use_after_free_read+0x114/0x248 [ 25.614325] kunit_try_run_case+0x170/0x3f0 [ 25.614377] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.614427] kthread+0x328/0x630 [ 25.614471] ret_from_fork+0x10/0x20 [ 25.614517] [ 25.614561] kfence-#133: 0x00000000a87746b8-0x00000000410a09a1, size=32, cache=test [ 25.614561] [ 25.614623] allocated by task 298 on cpu 1 at 25.611663s (0.002955s ago): [ 25.614709] test_alloc+0x230/0x628 [ 25.614759] test_use_after_free_read+0xd0/0x248 [ 25.614805] kunit_try_run_case+0x170/0x3f0 [ 25.614873] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.614924] kthread+0x328/0x630 [ 25.614966] ret_from_fork+0x10/0x20 [ 25.615011] [ 25.615038] freed by task 298 on cpu 1 at 25.611784s (0.003249s ago): [ 25.615112] test_use_after_free_read+0xf0/0x248 [ 25.615160] kunit_try_run_case+0x170/0x3f0 [ 25.615205] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.615255] kthread+0x328/0x630 [ 25.615296] ret_from_fork+0x10/0x20 [ 25.615339] [ 25.615390] CPU: 1 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 25.615483] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.615516] Hardware name: linux,dummy-virt (DT) [ 25.615556] ================================================================== [ 25.507014] ================================================================== [ 25.507199] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 25.507199] [ 25.507389] Use-after-free read at 0x00000000b0219fa1 (in kfence-#132): [ 25.507550] test_use_after_free_read+0x114/0x248 [ 25.507726] kunit_try_run_case+0x170/0x3f0 [ 25.507897] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.508049] kthread+0x328/0x630 [ 25.508177] ret_from_fork+0x10/0x20 [ 25.508319] [ 25.508383] kfence-#132: 0x00000000b0219fa1-0x00000000575235aa, size=32, cache=kmalloc-32 [ 25.508383] [ 25.508521] allocated by task 296 on cpu 1 at 25.506339s (0.002169s ago): [ 25.508754] test_alloc+0x29c/0x628 [ 25.509143] test_use_after_free_read+0xd0/0x248 [ 25.509271] kunit_try_run_case+0x170/0x3f0 [ 25.509376] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.509577] kthread+0x328/0x630 [ 25.509683] ret_from_fork+0x10/0x20 [ 25.509762] [ 25.509807] freed by task 296 on cpu 1 at 25.506502s (0.003298s ago): [ 25.509981] test_use_after_free_read+0x1c0/0x248 [ 25.510101] kunit_try_run_case+0x170/0x3f0 [ 25.510188] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.510285] kthread+0x328/0x630 [ 25.510363] ret_from_fork+0x10/0x20 [ 25.510445] [ 25.510608] CPU: 1 UID: 0 PID: 296 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 25.510898] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.510995] Hardware name: linux,dummy-virt (DT) [ 25.511101] ==================================================================
[ 18.217084] ================================================================== [ 18.217468] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.217468] [ 18.217972] Use-after-free read at 0x(____ptrval____) (in kfence-#70): [ 18.219040] test_use_after_free_read+0x129/0x270 [ 18.219275] kunit_try_run_case+0x1a5/0x480 [ 18.219480] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.220025] kthread+0x337/0x6f0 [ 18.220197] ret_from_fork+0x116/0x1d0 [ 18.220535] ret_from_fork_asm+0x1a/0x30 [ 18.220857] [ 18.220955] kfence-#70: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 18.220955] [ 18.221468] allocated by task 313 on cpu 1 at 18.216902s (0.004563s ago): [ 18.221953] test_alloc+0x364/0x10f0 [ 18.222222] test_use_after_free_read+0xdc/0x270 [ 18.222459] kunit_try_run_case+0x1a5/0x480 [ 18.222890] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.223231] kthread+0x337/0x6f0 [ 18.223489] ret_from_fork+0x116/0x1d0 [ 18.223674] ret_from_fork_asm+0x1a/0x30 [ 18.223887] [ 18.223961] freed by task 313 on cpu 1 at 18.216970s (0.006988s ago): [ 18.224259] test_use_after_free_read+0x1e7/0x270 [ 18.224464] kunit_try_run_case+0x1a5/0x480 [ 18.225036] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.225288] kthread+0x337/0x6f0 [ 18.225531] ret_from_fork+0x116/0x1d0 [ 18.225857] ret_from_fork_asm+0x1a/0x30 [ 18.226145] [ 18.226292] CPU: 1 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 18.226912] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.227199] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.227582] ================================================================== [ 18.321139] ================================================================== [ 18.321595] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.321595] [ 18.322029] Use-after-free read at 0x(____ptrval____) (in kfence-#71): [ 18.322305] test_use_after_free_read+0x129/0x270 [ 18.322477] kunit_try_run_case+0x1a5/0x480 [ 18.322691] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.323058] kthread+0x337/0x6f0 [ 18.323244] ret_from_fork+0x116/0x1d0 [ 18.323414] ret_from_fork_asm+0x1a/0x30 [ 18.323605] [ 18.323758] kfence-#71: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 18.323758] [ 18.324040] allocated by task 315 on cpu 0 at 18.320994s (0.003044s ago): [ 18.324367] test_alloc+0x2a6/0x10f0 [ 18.324553] test_use_after_free_read+0xdc/0x270 [ 18.324939] kunit_try_run_case+0x1a5/0x480 [ 18.325103] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.325324] kthread+0x337/0x6f0 [ 18.325448] ret_from_fork+0x116/0x1d0 [ 18.325605] ret_from_fork_asm+0x1a/0x30 [ 18.325830] [ 18.325927] freed by task 315 on cpu 0 at 18.321051s (0.004874s ago): [ 18.326247] test_use_after_free_read+0xfb/0x270 [ 18.326415] kunit_try_run_case+0x1a5/0x480 [ 18.326629] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.326913] kthread+0x337/0x6f0 [ 18.327079] ret_from_fork+0x116/0x1d0 [ 18.327244] ret_from_fork_asm+0x1a/0x30 [ 18.327395] [ 18.327520] CPU: 0 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 18.327918] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.328056] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.328816] ==================================================================