Date
July 11, 2025, 10:11 a.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 86.253100] ================================================================== [ 86.253235] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 86.253235] [ 86.253392] Use-after-free read at 0x(____ptrval____) (in kfence-#144): [ 86.253859] test_use_after_free_read+0x114/0x248 [ 86.258544] kunit_try_run_case+0x170/0x3f0 [ 86.262710] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 86.268179] kthread+0x328/0x630 [ 86.271391] ret_from_fork+0x10/0x20 [ 86.274950] [ 86.276428] kfence-#144: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 86.276428] [ 86.286062] allocated by task 379 on cpu 6 at 86.253045s (0.033015s ago): [ 86.292850] test_alloc+0x29c/0x628 [ 86.296304] test_use_after_free_read+0xd0/0x248 [ 86.300905] kunit_try_run_case+0x170/0x3f0 [ 86.305071] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 86.310539] kthread+0x328/0x630 [ 86.313751] ret_from_fork+0x10/0x20 [ 86.317310] [ 86.318788] freed by task 379 on cpu 6 at 86.253060s (0.065726s ago): [ 86.325230] test_use_after_free_read+0x1c0/0x248 [ 86.329897] kunit_try_run_case+0x170/0x3f0 [ 86.334063] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 86.339532] kthread+0x328/0x630 [ 86.342744] ret_from_fork+0x10/0x20 [ 86.346304] [ 86.347790] CPU: 6 UID: 0 PID: 379 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250711 #1 PREEMPT [ 86.358898] Tainted: [B]=BAD_PAGE, [N]=TEST [ 86.363057] Hardware name: WinLink E850-96 board (DT) [ 86.368095] ================================================================== [ 86.477109] ================================================================== [ 86.477238] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 86.477238] [ 86.477398] Use-after-free read at 0x(____ptrval____) (in kfence-#146): [ 86.477859] test_use_after_free_read+0x114/0x248 [ 86.482546] kunit_try_run_case+0x170/0x3f0 [ 86.486713] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 86.492181] kthread+0x328/0x630 [ 86.495394] ret_from_fork+0x10/0x20 [ 86.498952] [ 86.500431] kfence-#146: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 86.500431] [ 86.509545] allocated by task 381 on cpu 4 at 86.477048s (0.032495s ago): [ 86.516331] test_alloc+0x230/0x628 [ 86.519785] test_use_after_free_read+0xd0/0x248 [ 86.524386] kunit_try_run_case+0x170/0x3f0 [ 86.528553] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 86.534021] kthread+0x328/0x630 [ 86.537233] ret_from_fork+0x10/0x20 [ 86.540792] [ 86.542272] freed by task 381 on cpu 4 at 86.477063s (0.065205s ago): [ 86.548714] test_use_after_free_read+0xf0/0x248 [ 86.553292] kunit_try_run_case+0x170/0x3f0 [ 86.557459] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 86.562927] kthread+0x328/0x630 [ 86.566139] ret_from_fork+0x10/0x20 [ 86.569699] [ 86.571183] CPU: 4 UID: 0 PID: 381 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250711 #1 PREEMPT [ 86.582292] Tainted: [B]=BAD_PAGE, [N]=TEST [ 86.586453] Hardware name: WinLink E850-96 board (DT) [ 86.591490] ==================================================================
[ 34.618749] ================================================================== [ 34.618826] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 34.618826] [ 34.618938] Use-after-free read at 0x0000000014593da9 (in kfence-#132): [ 34.619010] test_use_after_free_read+0x114/0x248 [ 34.619073] kunit_try_run_case+0x170/0x3f0 [ 34.619140] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.619181] kthread+0x328/0x630 [ 34.619221] ret_from_fork+0x10/0x20 [ 34.619259] [ 34.619454] kfence-#132: 0x0000000014593da9-0x0000000024053a75, size=32, cache=kmalloc-32 [ 34.619454] [ 34.619534] allocated by task 326 on cpu 0 at 34.618442s (0.001081s ago): [ 34.619687] test_alloc+0x29c/0x628 [ 34.619749] test_use_after_free_read+0xd0/0x248 [ 34.619793] kunit_try_run_case+0x170/0x3f0 [ 34.619838] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.619896] kthread+0x328/0x630 [ 34.619948] ret_from_fork+0x10/0x20 [ 34.620013] [ 34.620037] freed by task 326 on cpu 0 at 34.618534s (0.001499s ago): [ 34.620102] test_use_after_free_read+0x1c0/0x248 [ 34.620147] kunit_try_run_case+0x170/0x3f0 [ 34.620283] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.620332] kthread+0x328/0x630 [ 34.620387] ret_from_fork+0x10/0x20 [ 34.620445] [ 34.620512] CPU: 0 UID: 0 PID: 326 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250711 #1 PREEMPT [ 34.620606] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.620656] Hardware name: linux,dummy-virt (DT) [ 34.620720] ================================================================== [ 34.726614] ================================================================== [ 34.726710] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 34.726710] [ 34.726858] Use-after-free read at 0x000000006e4a0e1c (in kfence-#133): [ 34.726911] test_use_after_free_read+0x114/0x248 [ 34.726979] kunit_try_run_case+0x170/0x3f0 [ 34.727049] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.727109] kthread+0x328/0x630 [ 34.727167] ret_from_fork+0x10/0x20 [ 34.727210] [ 34.727242] kfence-#133: 0x000000006e4a0e1c-0x00000000a9991e0b, size=32, cache=test [ 34.727242] [ 34.727371] allocated by task 328 on cpu 0 at 34.726369s (0.000980s ago): [ 34.727442] test_alloc+0x230/0x628 [ 34.727494] test_use_after_free_read+0xd0/0x248 [ 34.727558] kunit_try_run_case+0x170/0x3f0 [ 34.727748] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.727819] kthread+0x328/0x630 [ 34.727856] ret_from_fork+0x10/0x20 [ 34.727966] [ 34.728051] freed by task 328 on cpu 0 at 34.726432s (0.001597s ago): [ 34.728172] test_use_after_free_read+0xf0/0x248 [ 34.728224] kunit_try_run_case+0x170/0x3f0 [ 34.728292] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.728350] kthread+0x328/0x630 [ 34.728407] ret_from_fork+0x10/0x20 [ 34.728447] [ 34.728492] CPU: 0 UID: 0 PID: 328 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250711 #1 PREEMPT [ 34.728592] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.728631] Hardware name: linux,dummy-virt (DT) [ 34.728680] ==================================================================
[ 29.167875] ================================================================== [ 29.168417] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 29.168417] [ 29.168842] Use-after-free read at 0x(____ptrval____) (in kfence-#98): [ 29.169109] test_use_after_free_read+0x129/0x270 [ 29.169324] kunit_try_run_case+0x1a5/0x480 [ 29.170004] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.170380] kthread+0x337/0x6f0 [ 29.170637] ret_from_fork+0x116/0x1d0 [ 29.170804] ret_from_fork_asm+0x1a/0x30 [ 29.171076] [ 29.171172] kfence-#98: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 29.171172] [ 29.171760] allocated by task 345 on cpu 0 at 29.167624s (0.004133s ago): [ 29.172224] test_alloc+0x364/0x10f0 [ 29.172489] test_use_after_free_read+0xdc/0x270 [ 29.172785] kunit_try_run_case+0x1a5/0x480 [ 29.172960] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.173317] kthread+0x337/0x6f0 [ 29.173482] ret_from_fork+0x116/0x1d0 [ 29.173775] ret_from_fork_asm+0x1a/0x30 [ 29.173990] [ 29.174194] freed by task 345 on cpu 0 at 29.167702s (0.006406s ago): [ 29.174704] test_use_after_free_read+0x1e7/0x270 [ 29.175033] kunit_try_run_case+0x1a5/0x480 [ 29.175226] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.175633] kthread+0x337/0x6f0 [ 29.175785] ret_from_fork+0x116/0x1d0 [ 29.176082] ret_from_fork_asm+0x1a/0x30 [ 29.176302] [ 29.176417] CPU: 0 UID: 0 PID: 345 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250711 #1 PREEMPT(voluntary) [ 29.176928] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.177105] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.177727] ================================================================== [ 29.271750] ================================================================== [ 29.272097] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 29.272097] [ 29.272551] Use-after-free read at 0x(____ptrval____) (in kfence-#99): [ 29.272828] test_use_after_free_read+0x129/0x270 [ 29.273524] kunit_try_run_case+0x1a5/0x480 [ 29.273708] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.273956] kthread+0x337/0x6f0 [ 29.274127] ret_from_fork+0x116/0x1d0 [ 29.274295] ret_from_fork_asm+0x1a/0x30 [ 29.274869] [ 29.274962] kfence-#99: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 29.274962] [ 29.275325] allocated by task 347 on cpu 1 at 29.271591s (0.003732s ago): [ 29.275697] test_alloc+0x2a6/0x10f0 [ 29.275853] test_use_after_free_read+0xdc/0x270 [ 29.276246] kunit_try_run_case+0x1a5/0x480 [ 29.276443] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.276630] kthread+0x337/0x6f0 [ 29.277011] ret_from_fork+0x116/0x1d0 [ 29.277185] ret_from_fork_asm+0x1a/0x30 [ 29.277436] [ 29.277598] freed by task 347 on cpu 1 at 29.271649s (0.005947s ago): [ 29.278036] test_use_after_free_read+0xfb/0x270 [ 29.278212] kunit_try_run_case+0x1a5/0x480 [ 29.278375] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 29.278572] kthread+0x337/0x6f0 [ 29.278689] ret_from_fork+0x116/0x1d0 [ 29.278911] ret_from_fork_asm+0x1a/0x30 [ 29.279393] [ 29.279516] CPU: 1 UID: 0 PID: 347 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250711 #1 PREEMPT(voluntary) [ 29.280142] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.280411] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 29.280875] ==================================================================