Date
July 18, 2025, 2:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.810805] ================================================================== [ 21.810945] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.810945] [ 21.811066] Use-after-free read at 0x00000000cf0f9903 (in kfence-#94): [ 21.811412] test_use_after_free_read+0x114/0x248 [ 21.811578] kunit_try_run_case+0x170/0x3f0 [ 21.811703] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.811810] kthread+0x328/0x630 [ 21.811959] ret_from_fork+0x10/0x20 [ 21.812002] [ 21.812030] kfence-#94: 0x00000000cf0f9903-0x000000006e0a7c27, size=32, cache=test [ 21.812030] [ 21.812244] allocated by task 297 on cpu 0 at 21.809767s (0.002472s ago): [ 21.812529] test_alloc+0x230/0x628 [ 21.812828] test_use_after_free_read+0xd0/0x248 [ 21.813097] kunit_try_run_case+0x170/0x3f0 [ 21.813237] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.813288] kthread+0x328/0x630 [ 21.813644] ret_from_fork+0x10/0x20 [ 21.813801] [ 21.813983] freed by task 297 on cpu 0 at 21.810250s (0.003703s ago): [ 21.814096] test_use_after_free_read+0xf0/0x248 [ 21.814201] kunit_try_run_case+0x170/0x3f0 [ 21.814282] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.814476] kthread+0x328/0x630 [ 21.814682] ret_from_fork+0x10/0x20 [ 21.814821] [ 21.814978] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 21.815120] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.815432] Hardware name: linux,dummy-virt (DT) [ 21.815961] ================================================================== [ 21.705784] ================================================================== [ 21.705922] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.705922] [ 21.706028] Use-after-free read at 0x00000000eb213f03 (in kfence-#93): [ 21.706081] test_use_after_free_read+0x114/0x248 [ 21.706129] kunit_try_run_case+0x170/0x3f0 [ 21.706619] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.706970] kthread+0x328/0x630 [ 21.707060] ret_from_fork+0x10/0x20 [ 21.707169] [ 21.707227] kfence-#93: 0x00000000eb213f03-0x00000000448c44ab, size=32, cache=kmalloc-32 [ 21.707227] [ 21.707285] allocated by task 295 on cpu 0 at 21.704866s (0.002414s ago): [ 21.707672] test_alloc+0x29c/0x628 [ 21.707764] test_use_after_free_read+0xd0/0x248 [ 21.707888] kunit_try_run_case+0x170/0x3f0 [ 21.707933] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.708245] kthread+0x328/0x630 [ 21.708341] ret_from_fork+0x10/0x20 [ 21.708478] [ 21.708590] freed by task 295 on cpu 0 at 21.704957s (0.003602s ago): [ 21.708747] test_use_after_free_read+0x1c0/0x248 [ 21.709198] kunit_try_run_case+0x170/0x3f0 [ 21.709530] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.709736] kthread+0x328/0x630 [ 21.709938] ret_from_fork+0x10/0x20 [ 21.709980] [ 21.710395] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 21.710607] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.711013] Hardware name: linux,dummy-virt (DT) [ 21.711105] ==================================================================
[ 20.737497] ================================================================== [ 20.737765] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 20.737765] [ 20.737884] Use-after-free read at 0x000000006f0e0a37 (in kfence-#85): [ 20.738277] test_use_after_free_read+0x114/0x248 [ 20.738415] kunit_try_run_case+0x170/0x3f0 [ 20.738466] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.738513] kthread+0x328/0x630 [ 20.738586] ret_from_fork+0x10/0x20 [ 20.738634] [ 20.738662] kfence-#85: 0x000000006f0e0a37-0x00000000db2193bf, size=32, cache=kmalloc-32 [ 20.738662] [ 20.738716] allocated by task 295 on cpu 0 at 20.736893s (0.001818s ago): [ 20.738784] test_alloc+0x29c/0x628 [ 20.738826] test_use_after_free_read+0xd0/0x248 [ 20.738876] kunit_try_run_case+0x170/0x3f0 [ 20.738917] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.738959] kthread+0x328/0x630 [ 20.738995] ret_from_fork+0x10/0x20 [ 20.739344] [ 20.739948] freed by task 295 on cpu 0 at 20.736983s (0.002439s ago): [ 20.740108] test_use_after_free_read+0x1c0/0x248 [ 20.740461] kunit_try_run_case+0x170/0x3f0 [ 20.740656] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.740702] kthread+0x328/0x630 [ 20.740786] ret_from_fork+0x10/0x20 [ 20.740849] [ 20.740898] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 20.741345] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.741473] Hardware name: linux,dummy-virt (DT) [ 20.742008] ================================================================== [ 20.842471] ================================================================== [ 20.842585] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 20.842585] [ 20.842804] Use-after-free read at 0x000000004ed1a66a (in kfence-#86): [ 20.842962] test_use_after_free_read+0x114/0x248 [ 20.843277] kunit_try_run_case+0x170/0x3f0 [ 20.843406] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.843457] kthread+0x328/0x630 [ 20.843625] ret_from_fork+0x10/0x20 [ 20.843680] [ 20.843964] kfence-#86: 0x000000004ed1a66a-0x0000000044fd3c6d, size=32, cache=test [ 20.843964] [ 20.844125] allocated by task 297 on cpu 0 at 20.841843s (0.002249s ago): [ 20.844211] test_alloc+0x230/0x628 [ 20.844508] test_use_after_free_read+0xd0/0x248 [ 20.844767] kunit_try_run_case+0x170/0x3f0 [ 20.844973] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.845226] kthread+0x328/0x630 [ 20.845421] ret_from_fork+0x10/0x20 [ 20.845531] [ 20.845556] freed by task 297 on cpu 0 at 20.842108s (0.003444s ago): [ 20.845833] test_use_after_free_read+0xf0/0x248 [ 20.846073] kunit_try_run_case+0x170/0x3f0 [ 20.846132] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.846516] kthread+0x328/0x630 [ 20.846638] ret_from_fork+0x10/0x20 [ 20.846701] [ 20.847213] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 20.847604] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.847667] Hardware name: linux,dummy-virt (DT) [ 20.847783] ==================================================================
[ 20.842197] ================================================================== [ 20.842534] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 20.842534] [ 20.842763] Use-after-free read at 0x00000000cb867e08 (in kfence-#88): [ 20.842826] test_use_after_free_read+0x114/0x248 [ 20.843193] kunit_try_run_case+0x170/0x3f0 [ 20.843296] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.843342] kthread+0x328/0x630 [ 20.843383] ret_from_fork+0x10/0x20 [ 20.843424] [ 20.844022] kfence-#88: 0x00000000cb867e08-0x000000007cd1d3e3, size=32, cache=test [ 20.844022] [ 20.844150] allocated by task 297 on cpu 1 at 20.841981s (0.002163s ago): [ 20.844263] test_alloc+0x230/0x628 [ 20.844609] test_use_after_free_read+0xd0/0x248 [ 20.844692] kunit_try_run_case+0x170/0x3f0 [ 20.845123] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.845563] kthread+0x328/0x630 [ 20.845764] ret_from_fork+0x10/0x20 [ 20.845866] [ 20.845973] freed by task 297 on cpu 1 at 20.842066s (0.003878s ago): [ 20.846780] test_use_after_free_read+0xf0/0x248 [ 20.846895] kunit_try_run_case+0x170/0x3f0 [ 20.847066] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.847304] kthread+0x328/0x630 [ 20.847433] ret_from_fork+0x10/0x20 [ 20.847586] [ 20.847651] CPU: 1 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 20.848010] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.848072] Hardware name: linux,dummy-virt (DT) [ 20.848486] ================================================================== [ 20.737190] ================================================================== [ 20.737606] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 20.737606] [ 20.737774] Use-after-free read at 0x00000000ef0997c5 (in kfence-#87): [ 20.738187] test_use_after_free_read+0x114/0x248 [ 20.738262] kunit_try_run_case+0x170/0x3f0 [ 20.738318] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.738678] kthread+0x328/0x630 [ 20.738760] ret_from_fork+0x10/0x20 [ 20.739063] [ 20.739251] kfence-#87: 0x00000000ef0997c5-0x00000000d78feb9e, size=32, cache=kmalloc-32 [ 20.739251] [ 20.739348] allocated by task 295 on cpu 1 at 20.736151s (0.003194s ago): [ 20.739671] test_alloc+0x29c/0x628 [ 20.739797] test_use_after_free_read+0xd0/0x248 [ 20.739903] kunit_try_run_case+0x170/0x3f0 [ 20.740178] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.740330] kthread+0x328/0x630 [ 20.740389] ret_from_fork+0x10/0x20 [ 20.740497] [ 20.741451] freed by task 295 on cpu 1 at 20.736224s (0.004798s ago): [ 20.742011] test_use_after_free_read+0x1c0/0x248 [ 20.742104] kunit_try_run_case+0x170/0x3f0 [ 20.742255] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.742324] kthread+0x328/0x630 [ 20.742695] ret_from_fork+0x10/0x20 [ 20.742844] [ 20.742915] CPU: 1 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 20.743404] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.743584] Hardware name: linux,dummy-virt (DT) [ 20.743640] ==================================================================
[ 16.978999] ================================================================== [ 16.979457] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 16.979457] [ 16.979887] Use-after-free read at 0x(____ptrval____) (in kfence-#70): [ 16.980159] test_use_after_free_read+0x129/0x270 [ 16.980395] kunit_try_run_case+0x1a5/0x480 [ 16.980673] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.980887] kthread+0x337/0x6f0 [ 16.981029] ret_from_fork+0x116/0x1d0 [ 16.981229] ret_from_fork_asm+0x1a/0x30 [ 16.981423] [ 16.981519] kfence-#70: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 16.981519] [ 16.981910] allocated by task 313 on cpu 0 at 16.978761s (0.003147s ago): [ 16.982242] test_alloc+0x364/0x10f0 [ 16.982421] test_use_after_free_read+0xdc/0x270 [ 16.982587] kunit_try_run_case+0x1a5/0x480 [ 16.982734] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.983032] kthread+0x337/0x6f0 [ 16.983204] ret_from_fork+0x116/0x1d0 [ 16.983390] ret_from_fork_asm+0x1a/0x30 [ 16.983622] [ 16.983703] freed by task 313 on cpu 0 at 16.978839s (0.004861s ago): [ 16.984001] test_use_after_free_read+0x1e7/0x270 [ 16.984219] kunit_try_run_case+0x1a5/0x480 [ 16.984474] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.984758] kthread+0x337/0x6f0 [ 16.984921] ret_from_fork+0x116/0x1d0 [ 16.985096] ret_from_fork_asm+0x1a/0x30 [ 16.985309] [ 16.985477] CPU: 0 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 16.985851] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.985988] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.986375] ================================================================== [ 17.082903] ================================================================== [ 17.083346] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.083346] [ 17.083789] Use-after-free read at 0x(____ptrval____) (in kfence-#71): [ 17.084075] test_use_after_free_read+0x129/0x270 [ 17.084303] kunit_try_run_case+0x1a5/0x480 [ 17.084492] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.084887] kthread+0x337/0x6f0 [ 17.085031] ret_from_fork+0x116/0x1d0 [ 17.085229] ret_from_fork_asm+0x1a/0x30 [ 17.085412] [ 17.085509] kfence-#71: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 17.085509] [ 17.085863] allocated by task 315 on cpu 1 at 17.082766s (0.003095s ago): [ 17.086146] test_alloc+0x2a6/0x10f0 [ 17.086281] test_use_after_free_read+0xdc/0x270 [ 17.086450] kunit_try_run_case+0x1a5/0x480 [ 17.086660] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.086926] kthread+0x337/0x6f0 [ 17.087092] ret_from_fork+0x116/0x1d0 [ 17.087227] ret_from_fork_asm+0x1a/0x30 [ 17.087394] [ 17.087503] freed by task 315 on cpu 1 at 17.082817s (0.004683s ago): [ 17.087844] test_use_after_free_read+0xfb/0x270 [ 17.088079] kunit_try_run_case+0x1a5/0x480 [ 17.088251] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.088518] kthread+0x337/0x6f0 [ 17.088692] ret_from_fork+0x116/0x1d0 [ 17.088826] ret_from_fork_asm+0x1a/0x30 [ 17.088968] [ 17.089065] CPU: 1 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 17.089569] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.089770] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.090116] ==================================================================
[ 17.915617] ================================================================== [ 17.916215] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.916215] [ 17.916803] Use-after-free read at 0x(____ptrval____) (in kfence-#74): [ 17.917392] test_use_after_free_read+0x129/0x270 [ 17.917733] kunit_try_run_case+0x1a5/0x480 [ 17.917922] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.918155] kthread+0x337/0x6f0 [ 17.918310] ret_from_fork+0x116/0x1d0 [ 17.918749] ret_from_fork_asm+0x1a/0x30 [ 17.919005] [ 17.919209] kfence-#74: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.919209] [ 17.919697] allocated by task 312 on cpu 1 at 17.915378s (0.004316s ago): [ 17.920115] test_alloc+0x364/0x10f0 [ 17.920351] test_use_after_free_read+0xdc/0x270 [ 17.920640] kunit_try_run_case+0x1a5/0x480 [ 17.920950] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.921197] kthread+0x337/0x6f0 [ 17.921351] ret_from_fork+0x116/0x1d0 [ 17.921510] ret_from_fork_asm+0x1a/0x30 [ 17.921946] [ 17.922275] freed by task 312 on cpu 1 at 17.915457s (0.006724s ago): [ 17.922724] test_use_after_free_read+0x1e7/0x270 [ 17.923045] kunit_try_run_case+0x1a5/0x480 [ 17.923238] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.923456] kthread+0x337/0x6f0 [ 17.923784] ret_from_fork+0x116/0x1d0 [ 17.923964] ret_from_fork_asm+0x1a/0x30 [ 17.924166] [ 17.924299] CPU: 1 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 17.924970] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.925242] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.925712] ================================================================== [ 18.019557] ================================================================== [ 18.020042] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.020042] [ 18.020450] Use-after-free read at 0x(____ptrval____) (in kfence-#75): [ 18.020774] test_use_after_free_read+0x129/0x270 [ 18.020972] kunit_try_run_case+0x1a5/0x480 [ 18.021182] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.021398] kthread+0x337/0x6f0 [ 18.021633] ret_from_fork+0x116/0x1d0 [ 18.021803] ret_from_fork_asm+0x1a/0x30 [ 18.021985] [ 18.022073] kfence-#75: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 18.022073] [ 18.022449] allocated by task 314 on cpu 0 at 18.019401s (0.003047s ago): [ 18.022767] test_alloc+0x2a6/0x10f0 [ 18.022947] test_use_after_free_read+0xdc/0x270 [ 18.023117] kunit_try_run_case+0x1a5/0x480 [ 18.023265] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.023521] kthread+0x337/0x6f0 [ 18.023691] ret_from_fork+0x116/0x1d0 [ 18.023890] ret_from_fork_asm+0x1a/0x30 [ 18.024076] [ 18.024151] freed by task 314 on cpu 0 at 18.019453s (0.004695s ago): [ 18.024436] test_use_after_free_read+0xfb/0x270 [ 18.024672] kunit_try_run_case+0x1a5/0x480 [ 18.024887] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.025133] kthread+0x337/0x6f0 [ 18.025308] ret_from_fork+0x116/0x1d0 [ 18.025519] ret_from_fork_asm+0x1a/0x30 [ 18.025703] [ 18.025811] CPU: 0 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 18.026208] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.026348] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.026637] ==================================================================
[ 17.627121] ================================================================== [ 17.627636] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.627636] [ 17.628050] Use-after-free read at 0x(____ptrval____) (in kfence-#72): [ 17.628321] test_use_after_free_read+0x129/0x270 [ 17.628566] kunit_try_run_case+0x1a5/0x480 [ 17.628769] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.629508] kthread+0x337/0x6f0 [ 17.629646] ret_from_fork+0x116/0x1d0 [ 17.630066] ret_from_fork_asm+0x1a/0x30 [ 17.630331] [ 17.630414] kfence-#72: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 17.630414] [ 17.630932] allocated by task 314 on cpu 1 at 17.626903s (0.004027s ago): [ 17.631397] test_alloc+0x2a6/0x10f0 [ 17.631576] test_use_after_free_read+0xdc/0x270 [ 17.631788] kunit_try_run_case+0x1a5/0x480 [ 17.632192] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.632500] kthread+0x337/0x6f0 [ 17.632637] ret_from_fork+0x116/0x1d0 [ 17.632911] ret_from_fork_asm+0x1a/0x30 [ 17.633253] [ 17.633340] freed by task 314 on cpu 1 at 17.626954s (0.006382s ago): [ 17.633628] test_use_after_free_read+0xfb/0x270 [ 17.633853] kunit_try_run_case+0x1a5/0x480 [ 17.634075] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.634598] kthread+0x337/0x6f0 [ 17.634749] ret_from_fork+0x116/0x1d0 [ 17.635131] ret_from_fork_asm+0x1a/0x30 [ 17.635337] [ 17.635598] CPU: 1 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 17.636196] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.636502] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.636848] ================================================================== [ 17.523080] ================================================================== [ 17.523564] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.523564] [ 17.524203] Use-after-free read at 0x(____ptrval____) (in kfence-#71): [ 17.524459] test_use_after_free_read+0x129/0x270 [ 17.525234] kunit_try_run_case+0x1a5/0x480 [ 17.525477] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.525676] kthread+0x337/0x6f0 [ 17.525845] ret_from_fork+0x116/0x1d0 [ 17.526140] ret_from_fork_asm+0x1a/0x30 [ 17.526369] [ 17.526475] kfence-#71: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.526475] [ 17.526861] allocated by task 312 on cpu 0 at 17.522833s (0.004026s ago): [ 17.527188] test_alloc+0x364/0x10f0 [ 17.527472] test_use_after_free_read+0xdc/0x270 [ 17.527719] kunit_try_run_case+0x1a5/0x480 [ 17.527879] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.528256] kthread+0x337/0x6f0 [ 17.528410] ret_from_fork+0x116/0x1d0 [ 17.528640] ret_from_fork_asm+0x1a/0x30 [ 17.529019] [ 17.529249] freed by task 312 on cpu 0 at 17.522915s (0.006243s ago): [ 17.529608] test_use_after_free_read+0x1e7/0x270 [ 17.529841] kunit_try_run_case+0x1a5/0x480 [ 17.530044] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.530303] kthread+0x337/0x6f0 [ 17.530479] ret_from_fork+0x116/0x1d0 [ 17.530666] ret_from_fork_asm+0x1a/0x30 [ 17.530884] [ 17.531030] CPU: 0 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 17.531371] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.531570] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.531932] ==================================================================