Date
June 2, 2025, 2:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 26.408253] ================================================================== [ 26.408904] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 26.408904] [ 26.409674] Use-after-free read at 0x00000000adb4cf78 (in kfence-#109): [ 26.410128] test_use_after_free_read+0x114/0x248 [ 26.410786] kunit_try_run_case+0x170/0x3f0 [ 26.411348] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.412182] kthread+0x24c/0x2d0 [ 26.412752] ret_from_fork+0x10/0x20 [ 26.413302] [ 26.413710] kfence-#109: 0x00000000adb4cf78-0x000000006474594f, size=32, cache=test [ 26.413710] [ 26.414428] allocated by task 280 on cpu 0 at 26.407895s (0.006521s ago): [ 26.415195] test_alloc+0x230/0x628 [ 26.415565] test_use_after_free_read+0xd0/0x248 [ 26.416041] kunit_try_run_case+0x170/0x3f0 [ 26.416434] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.417013] kthread+0x24c/0x2d0 [ 26.417402] ret_from_fork+0x10/0x20 [ 26.417876] [ 26.418136] freed by task 280 on cpu 0 at 26.407994s (0.010130s ago): [ 26.418931] test_use_after_free_read+0xf0/0x248 [ 26.419412] kunit_try_run_case+0x170/0x3f0 [ 26.419784] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.420315] kthread+0x24c/0x2d0 [ 26.420703] ret_from_fork+0x10/0x20 [ 26.421101] [ 26.421410] CPU: 0 UID: 0 PID: 280 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 26.422249] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.422709] Hardware name: linux,dummy-virt (DT) [ 26.423127] ================================================================== [ 26.304467] ================================================================== [ 26.305083] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 26.305083] [ 26.305873] Use-after-free read at 0x00000000a0dc4f83 (in kfence-#108): [ 26.306601] test_use_after_free_read+0x114/0x248 [ 26.307129] kunit_try_run_case+0x170/0x3f0 [ 26.307700] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.308252] kthread+0x24c/0x2d0 [ 26.308700] ret_from_fork+0x10/0x20 [ 26.309031] [ 26.309341] kfence-#108: 0x00000000a0dc4f83-0x000000006d46ef31, size=32, cache=kmalloc-32 [ 26.309341] [ 26.310218] allocated by task 278 on cpu 0 at 26.303994s (0.006211s ago): [ 26.310969] test_alloc+0x29c/0x628 [ 26.311399] test_use_after_free_read+0xd0/0x248 [ 26.311775] kunit_try_run_case+0x170/0x3f0 [ 26.312262] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.312856] kthread+0x24c/0x2d0 [ 26.313313] ret_from_fork+0x10/0x20 [ 26.313825] [ 26.314371] freed by task 278 on cpu 0 at 26.304119s (0.010055s ago): [ 26.315168] test_use_after_free_read+0x1c0/0x248 [ 26.315710] kunit_try_run_case+0x170/0x3f0 [ 26.316068] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.316639] kthread+0x24c/0x2d0 [ 26.317099] ret_from_fork+0x10/0x20 [ 26.317619] [ 26.317960] CPU: 0 UID: 0 PID: 278 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 26.318788] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.319130] Hardware name: linux,dummy-virt (DT) [ 26.319532] ==================================================================
[ 17.430925] ================================================================== [ 17.431344] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x12a/0x270 [ 17.431344] [ 17.431635] Use-after-free read at 0x(____ptrval____) (in kfence-#76): [ 17.431995] test_use_after_free_read+0x12a/0x270 [ 17.432454] kunit_try_run_case+0x1a6/0x480 [ 17.432642] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.432855] kthread+0x257/0x310 [ 17.433060] ret_from_fork+0x41/0x80 [ 17.433361] ret_from_fork_asm+0x1a/0x30 [ 17.433683] [ 17.433933] kfence-#76: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.433933] [ 17.434768] allocated by task 296 on cpu 1 at 17.430646s (0.004117s ago): [ 17.435050] test_alloc+0x365/0x10f0 [ 17.435280] test_use_after_free_read+0xdd/0x270 [ 17.435662] kunit_try_run_case+0x1a6/0x480 [ 17.436056] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.436445] kthread+0x257/0x310 [ 17.436607] ret_from_fork+0x41/0x80 [ 17.436786] ret_from_fork_asm+0x1a/0x30 [ 17.436981] [ 17.437143] freed by task 296 on cpu 1 at 17.430758s (0.006361s ago): [ 17.437629] test_use_after_free_read+0x1e9/0x270 [ 17.437997] kunit_try_run_case+0x1a6/0x480 [ 17.438252] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.438503] kthread+0x257/0x310 [ 17.438810] ret_from_fork+0x41/0x80 [ 17.439109] ret_from_fork_asm+0x1a/0x30 [ 17.439532] [ 17.439738] CPU: 1 UID: 0 PID: 296 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 17.440396] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.440628] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.441087] ================================================================== [ 17.534889] ================================================================== [ 17.535300] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x12a/0x270 [ 17.535300] [ 17.535619] Use-after-free read at 0x(____ptrval____) (in kfence-#77): [ 17.536058] test_use_after_free_read+0x12a/0x270 [ 17.536461] kunit_try_run_case+0x1a6/0x480 [ 17.536746] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.536972] kthread+0x257/0x310 [ 17.537894] ret_from_fork+0x41/0x80 [ 17.538374] ret_from_fork_asm+0x1a/0x30 [ 17.538724] [ 17.538855] kfence-#77: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 17.538855] [ 17.539414] allocated by task 298 on cpu 0 at 17.534660s (0.004748s ago): [ 17.539907] test_alloc+0x2a7/0x10f0 [ 17.540258] test_use_after_free_read+0xdd/0x270 [ 17.540636] kunit_try_run_case+0x1a6/0x480 [ 17.541015] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.541438] kthread+0x257/0x310 [ 17.541718] ret_from_fork+0x41/0x80 [ 17.541937] ret_from_fork_asm+0x1a/0x30 [ 17.542176] [ 17.542366] freed by task 298 on cpu 0 at 17.534762s (0.007599s ago): [ 17.542779] test_use_after_free_read+0xfc/0x270 [ 17.543134] kunit_try_run_case+0x1a6/0x480 [ 17.543433] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.543815] kthread+0x257/0x310 [ 17.544092] ret_from_fork+0x41/0x80 [ 17.544410] ret_from_fork_asm+0x1a/0x30 [ 17.544732] [ 17.544929] CPU: 0 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 17.545375] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.545728] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.546202] ==================================================================