Date
July 15, 2025, 11:35 a.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 85.924874] ================================================================== [ 85.925009] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 85.925009] [ 85.925172] Use-after-free read at 0x(____ptrval____) (in kfence-#142): [ 85.925631] test_use_after_free_read+0x114/0x248 [ 85.930317] kunit_try_run_case+0x170/0x3f0 [ 85.934484] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 85.939952] kthread+0x328/0x630 [ 85.943164] ret_from_fork+0x10/0x20 [ 85.946723] [ 85.948203] kfence-#142: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 85.948203] [ 85.957836] allocated by task 376 on cpu 3 at 85.924814s (0.033020s ago): [ 85.964625] test_alloc+0x29c/0x628 [ 85.968077] test_use_after_free_read+0xd0/0x248 [ 85.972678] kunit_try_run_case+0x170/0x3f0 [ 85.976844] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 85.982313] kthread+0x328/0x630 [ 85.985525] ret_from_fork+0x10/0x20 [ 85.989085] [ 85.990563] freed by task 376 on cpu 3 at 85.924831s (0.065728s ago): [ 85.997002] test_use_after_free_read+0x1c0/0x248 [ 86.001670] kunit_try_run_case+0x170/0x3f0 [ 86.005837] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 86.011306] kthread+0x328/0x630 [ 86.014517] ret_from_fork+0x10/0x20 [ 86.018078] [ 86.019564] CPU: 3 UID: 0 PID: 376 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 86.030675] Tainted: [B]=BAD_PAGE, [N]=TEST [ 86.034831] Hardware name: WinLink E850-96 board (DT) [ 86.039866] ================================================================== [ 86.148882] ================================================================== [ 86.149024] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 86.149024] [ 86.149184] Use-after-free read at 0x(____ptrval____) (in kfence-#144): [ 86.149646] test_use_after_free_read+0x114/0x248 [ 86.154332] kunit_try_run_case+0x170/0x3f0 [ 86.158499] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 86.163967] kthread+0x328/0x630 [ 86.167179] ret_from_fork+0x10/0x20 [ 86.170738] [ 86.172218] kfence-#144: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 86.172218] [ 86.181331] allocated by task 378 on cpu 4 at 86.148822s (0.032507s ago): [ 86.188119] test_alloc+0x230/0x628 [ 86.191572] test_use_after_free_read+0xd0/0x248 [ 86.196172] kunit_try_run_case+0x170/0x3f0 [ 86.200338] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 86.205807] kthread+0x328/0x630 [ 86.209019] ret_from_fork+0x10/0x20 [ 86.212580] [ 86.214056] freed by task 378 on cpu 4 at 86.148838s (0.065216s ago): [ 86.220497] test_use_after_free_read+0xf0/0x248 [ 86.225078] kunit_try_run_case+0x170/0x3f0 [ 86.229245] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 86.234713] kthread+0x328/0x630 [ 86.237924] ret_from_fork+0x10/0x20 [ 86.241485] [ 86.242970] CPU: 4 UID: 0 PID: 378 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 86.254078] Tainted: [B]=BAD_PAGE, [N]=TEST [ 86.258238] Hardware name: WinLink E850-96 board (DT) [ 86.263274] ==================================================================
[ 35.078617] ================================================================== [ 35.078721] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 35.078721] [ 35.078816] Use-after-free read at 0x0000000085cab558 (in kfence-#129): [ 35.079043] test_use_after_free_read+0x114/0x248 [ 35.079119] kunit_try_run_case+0x170/0x3f0 [ 35.079170] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.079215] kthread+0x328/0x630 [ 35.079273] ret_from_fork+0x10/0x20 [ 35.079346] [ 35.079371] kfence-#129: 0x0000000085cab558-0x000000005b8915e4, size=32, cache=kmalloc-32 [ 35.079371] [ 35.079457] allocated by task 327 on cpu 1 at 35.078261s (0.001191s ago): [ 35.079529] test_alloc+0x29c/0x628 [ 35.079570] test_use_after_free_read+0xd0/0x248 [ 35.079740] kunit_try_run_case+0x170/0x3f0 [ 35.079808] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.079853] kthread+0x328/0x630 [ 35.079905] ret_from_fork+0x10/0x20 [ 35.079956] [ 35.080119] freed by task 327 on cpu 1 at 35.078332s (0.001704s ago): [ 35.080504] test_use_after_free_read+0x1c0/0x248 [ 35.080574] kunit_try_run_case+0x170/0x3f0 [ 35.080664] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.080707] kthread+0x328/0x630 [ 35.080742] ret_from_fork+0x10/0x20 [ 35.080839] [ 35.080907] CPU: 1 UID: 0 PID: 327 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 35.080990] Tainted: [B]=BAD_PAGE, [N]=TEST [ 35.081019] Hardware name: linux,dummy-virt (DT) [ 35.081053] ================================================================== [ 35.187552] ================================================================== [ 35.187666] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 35.187666] [ 35.187753] Use-after-free read at 0x00000000c231628f (in kfence-#130): [ 35.187829] test_use_after_free_read+0x114/0x248 [ 35.187896] kunit_try_run_case+0x170/0x3f0 [ 35.187953] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.187997] kthread+0x328/0x630 [ 35.188074] ret_from_fork+0x10/0x20 [ 35.188150] [ 35.188176] kfence-#130: 0x00000000c231628f-0x00000000f7edd4a8, size=32, cache=test [ 35.188176] [ 35.188252] allocated by task 329 on cpu 1 at 35.187364s (0.000867s ago): [ 35.188352] test_alloc+0x230/0x628 [ 35.188420] test_use_after_free_read+0xd0/0x248 [ 35.188497] kunit_try_run_case+0x170/0x3f0 [ 35.188694] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.188741] kthread+0x328/0x630 [ 35.188910] ret_from_fork+0x10/0x20 [ 35.188964] [ 35.189098] freed by task 329 on cpu 1 at 35.187422s (0.001644s ago): [ 35.189232] test_use_after_free_read+0xf0/0x248 [ 35.189319] kunit_try_run_case+0x170/0x3f0 [ 35.189363] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.189492] kthread+0x328/0x630 [ 35.189542] ret_from_fork+0x10/0x20 [ 35.189598] [ 35.189656] CPU: 1 UID: 0 PID: 329 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT [ 35.189822] Tainted: [B]=BAD_PAGE, [N]=TEST [ 35.189862] Hardware name: linux,dummy-virt (DT) [ 35.189894] ==================================================================
[ 29.357997] ================================================================== [ 29.358433] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 29.358433] [ 29.359272] Use-after-free read at 0x(____ptrval____) (in kfence-#97): [ 29.359567] test_use_after_free_read+0x129/0x270 [ 29.360104] kunit_try_run_case+0x1a5/0x480 [ 29.360301] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.360610] kthread+0x337/0x6f0 [ 29.360788] ret_from_fork+0x116/0x1d0 [ 29.360982] ret_from_fork_asm+0x1a/0x30 [ 29.361286] [ 29.361389] kfence-#97: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 29.361389] [ 29.361822] allocated by task 345 on cpu 0 at 29.357898s (0.003922s ago): [ 29.362156] test_alloc+0x2a6/0x10f0 [ 29.362360] test_use_after_free_read+0xdc/0x270 [ 29.362607] kunit_try_run_case+0x1a5/0x480 [ 29.362823] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.363027] kthread+0x337/0x6f0 [ 29.363223] ret_from_fork+0x116/0x1d0 [ 29.363404] ret_from_fork_asm+0x1a/0x30 [ 29.363605] [ 29.363697] freed by task 345 on cpu 0 at 29.357933s (0.005762s ago): [ 29.364024] test_use_after_free_read+0xfb/0x270 [ 29.364262] kunit_try_run_case+0x1a5/0x480 [ 29.364480] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.364768] kthread+0x337/0x6f0 [ 29.364941] ret_from_fork+0x116/0x1d0 [ 29.365215] ret_from_fork_asm+0x1a/0x30 [ 29.365377] [ 29.365472] CPU: 0 UID: 0 PID: 345 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT(voluntary) [ 29.366202] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.366364] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.366794] ================================================================== [ 29.254086] ================================================================== [ 29.254560] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 29.254560] [ 29.255035] Use-after-free read at 0x(____ptrval____) (in kfence-#96): [ 29.255283] test_use_after_free_read+0x129/0x270 [ 29.255464] kunit_try_run_case+0x1a5/0x480 [ 29.255667] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.255990] kthread+0x337/0x6f0 [ 29.256136] ret_from_fork+0x116/0x1d0 [ 29.256268] ret_from_fork_asm+0x1a/0x30 [ 29.256468] [ 29.256572] kfence-#96: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 29.256572] [ 29.257059] allocated by task 343 on cpu 1 at 29.253868s (0.003188s ago): [ 29.257341] test_alloc+0x364/0x10f0 [ 29.257520] test_use_after_free_read+0xdc/0x270 [ 29.257764] kunit_try_run_case+0x1a5/0x480 [ 29.257961] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.258175] kthread+0x337/0x6f0 [ 29.258290] ret_from_fork+0x116/0x1d0 [ 29.258458] ret_from_fork_asm+0x1a/0x30 [ 29.258676] [ 29.258954] freed by task 343 on cpu 1 at 29.253929s (0.004946s ago): [ 29.259270] test_use_after_free_read+0x1e7/0x270 [ 29.259492] kunit_try_run_case+0x1a5/0x480 [ 29.259720] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.259892] kthread+0x337/0x6f0 [ 29.260020] ret_from_fork+0x116/0x1d0 [ 29.260204] ret_from_fork_asm+0x1a/0x30 [ 29.260416] [ 29.260509] CPU: 1 UID: 0 PID: 343 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250715 #1 PREEMPT(voluntary) [ 29.260957] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.261155] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.261508] ==================================================================