Date
July 2, 2025, 11:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 35.097237] ================================================================== [ 35.097315] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 35.097315] [ 35.097670] Use-after-free read at 0x000000007b04c569 (in kfence-#124): [ 35.097761] test_use_after_free_read+0x114/0x248 [ 35.097905] kunit_try_run_case+0x170/0x3f0 [ 35.097980] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.098088] kthread+0x328/0x630 [ 35.098134] ret_from_fork+0x10/0x20 [ 35.098173] [ 35.098199] kfence-#124: 0x000000007b04c569-0x0000000052c533a9, size=32, cache=test [ 35.098199] [ 35.098501] allocated by task 330 on cpu 1 at 35.096647s (0.001603s ago): [ 35.098593] test_alloc+0x230/0x628 [ 35.098637] test_use_after_free_read+0xd0/0x248 [ 35.098791] kunit_try_run_case+0x170/0x3f0 [ 35.098836] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.098896] kthread+0x328/0x630 [ 35.099022] ret_from_fork+0x10/0x20 [ 35.099065] [ 35.099104] freed by task 330 on cpu 1 at 35.096975s (0.002119s ago): [ 35.099508] test_use_after_free_read+0xf0/0x248 [ 35.099650] kunit_try_run_case+0x170/0x3f0 [ 35.099740] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.099883] kthread+0x328/0x630 [ 35.099982] ret_from_fork+0x10/0x20 [ 35.100035] [ 35.100359] CPU: 1 UID: 0 PID: 330 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT [ 35.100534] Tainted: [B]=BAD_PAGE, [N]=TEST [ 35.100613] Hardware name: linux,dummy-virt (DT) [ 35.100996] ================================================================== [ 34.997921] ================================================================== [ 34.998110] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 34.998110] [ 34.998244] Use-after-free read at 0x00000000680750e7 (in kfence-#123): [ 34.998654] test_use_after_free_read+0x114/0x248 [ 34.998728] kunit_try_run_case+0x170/0x3f0 [ 34.998782] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.998828] kthread+0x328/0x630 [ 34.998946] ret_from_fork+0x10/0x20 [ 34.999013] [ 34.999039] kfence-#123: 0x00000000680750e7-0x000000004925b434, size=32, cache=kmalloc-32 [ 34.999039] [ 34.999501] allocated by task 328 on cpu 1 at 34.997274s (0.002218s ago): [ 34.999634] test_alloc+0x29c/0x628 [ 34.999817] test_use_after_free_read+0xd0/0x248 [ 34.999896] kunit_try_run_case+0x170/0x3f0 [ 35.000045] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.000096] kthread+0x328/0x630 [ 35.000143] ret_from_fork+0x10/0x20 [ 35.000456] [ 35.001657] freed by task 328 on cpu 1 at 34.997352s (0.003423s ago): [ 35.002333] test_use_after_free_read+0x1c0/0x248 [ 35.002390] kunit_try_run_case+0x170/0x3f0 [ 35.002435] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.002482] kthread+0x328/0x630 [ 35.002596] ret_from_fork+0x10/0x20 [ 35.002704] [ 35.002821] CPU: 1 UID: 0 PID: 328 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT [ 35.002939] Tainted: [B]=BAD_PAGE, [N]=TEST [ 35.002972] Hardware name: linux,dummy-virt (DT) [ 35.003010] ==================================================================
[ 37.404015] ================================================================== [ 37.404114] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 37.404114] [ 37.404232] Use-after-free read at 0x000000009f83198a (in kfence-#131): [ 37.404287] test_use_after_free_read+0x114/0x248 [ 37.404336] kunit_try_run_case+0x170/0x3f0 [ 37.404382] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.404429] kthread+0x328/0x630 [ 37.404470] ret_from_fork+0x10/0x20 [ 37.404509] [ 37.404535] kfence-#131: 0x000000009f83198a-0x000000008126d92f, size=32, cache=test [ 37.404535] [ 37.404589] allocated by task 328 on cpu 1 at 37.403834s (0.000750s ago): [ 37.404665] test_alloc+0x230/0x628 [ 37.404707] test_use_after_free_read+0xd0/0x248 [ 37.404751] kunit_try_run_case+0x170/0x3f0 [ 37.404792] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.404836] kthread+0x328/0x630 [ 37.404873] ret_from_fork+0x10/0x20 [ 37.404911] [ 37.404937] freed by task 328 on cpu 1 at 37.403896s (0.001037s ago): [ 37.405037] test_use_after_free_read+0xf0/0x248 [ 37.405083] kunit_try_run_case+0x170/0x3f0 [ 37.405124] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.405179] kthread+0x328/0x630 [ 37.405215] ret_from_fork+0x10/0x20 [ 37.405256] [ 37.405302] CPU: 1 UID: 0 PID: 328 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT [ 37.405386] Tainted: [B]=BAD_PAGE, [N]=TEST [ 37.405415] Hardware name: linux,dummy-virt (DT) [ 37.405451] ================================================================== [ 37.300987] ================================================================== [ 37.301096] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 37.301096] [ 37.301217] Use-after-free read at 0x000000007e6e4c98 (in kfence-#130): [ 37.301274] test_use_after_free_read+0x114/0x248 [ 37.301325] kunit_try_run_case+0x170/0x3f0 [ 37.301370] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.301415] kthread+0x328/0x630 [ 37.301456] ret_from_fork+0x10/0x20 [ 37.301505] [ 37.301531] kfence-#130: 0x000000007e6e4c98-0x00000000439a16c8, size=32, cache=kmalloc-32 [ 37.301531] [ 37.301585] allocated by task 326 on cpu 1 at 37.300725s (0.000856s ago): [ 37.301655] test_alloc+0x29c/0x628 [ 37.301697] test_use_after_free_read+0xd0/0x248 [ 37.301739] kunit_try_run_case+0x170/0x3f0 [ 37.301780] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.301825] kthread+0x328/0x630 [ 37.301860] ret_from_fork+0x10/0x20 [ 37.301906] [ 37.302034] freed by task 326 on cpu 1 at 37.300794s (0.001159s ago): [ 37.302142] test_use_after_free_read+0x1c0/0x248 [ 37.302202] kunit_try_run_case+0x170/0x3f0 [ 37.302244] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 37.302289] kthread+0x328/0x630 [ 37.302327] ret_from_fork+0x10/0x20 [ 37.302382] [ 37.302429] CPU: 1 UID: 0 PID: 326 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT [ 37.302516] Tainted: [B]=BAD_PAGE, [N]=TEST [ 37.302550] Hardware name: linux,dummy-virt (DT) [ 37.302587] ==================================================================
[ 28.010223] ================================================================== [ 28.010667] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 28.010667] [ 28.011130] Use-after-free read at 0x(____ptrval____) (in kfence-#90): [ 28.011403] test_use_after_free_read+0x129/0x270 [ 28.011818] kunit_try_run_case+0x1a5/0x480 [ 28.011991] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.012215] kthread+0x337/0x6f0 [ 28.012393] ret_from_fork+0x116/0x1d0 [ 28.012600] ret_from_fork_asm+0x1a/0x30 [ 28.012737] [ 28.012849] kfence-#90: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 28.012849] [ 28.013199] allocated by task 343 on cpu 0 at 28.010016s (0.003180s ago): [ 28.013428] test_alloc+0x364/0x10f0 [ 28.013588] test_use_after_free_read+0xdc/0x270 [ 28.013815] kunit_try_run_case+0x1a5/0x480 [ 28.014034] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.014249] kthread+0x337/0x6f0 [ 28.014373] ret_from_fork+0x116/0x1d0 [ 28.014776] ret_from_fork_asm+0x1a/0x30 [ 28.015581] [ 28.015816] freed by task 343 on cpu 0 at 28.010067s (0.005664s ago): [ 28.016158] test_use_after_free_read+0x1e7/0x270 [ 28.016402] kunit_try_run_case+0x1a5/0x480 [ 28.016549] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.016861] kthread+0x337/0x6f0 [ 28.016979] ret_from_fork+0x116/0x1d0 [ 28.017159] ret_from_fork_asm+0x1a/0x30 [ 28.017356] [ 28.017477] CPU: 0 UID: 0 PID: 343 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) [ 28.017949] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.018152] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 28.018486] ================================================================== [ 28.114173] ================================================================== [ 28.114633] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 28.114633] [ 28.115020] Use-after-free read at 0x(____ptrval____) (in kfence-#91): [ 28.115273] test_use_after_free_read+0x129/0x270 [ 28.115511] kunit_try_run_case+0x1a5/0x480 [ 28.115661] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.115924] kthread+0x337/0x6f0 [ 28.116096] ret_from_fork+0x116/0x1d0 [ 28.116284] ret_from_fork_asm+0x1a/0x30 [ 28.116496] [ 28.116600] kfence-#91: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 28.116600] [ 28.116953] allocated by task 345 on cpu 1 at 28.114036s (0.002915s ago): [ 28.117181] test_alloc+0x2a6/0x10f0 [ 28.117362] test_use_after_free_read+0xdc/0x270 [ 28.117607] kunit_try_run_case+0x1a5/0x480 [ 28.117840] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.118012] kthread+0x337/0x6f0 [ 28.118129] ret_from_fork+0x116/0x1d0 [ 28.118330] ret_from_fork_asm+0x1a/0x30 [ 28.118515] [ 28.118610] freed by task 345 on cpu 1 at 28.114095s (0.004512s ago): [ 28.118841] test_use_after_free_read+0xfb/0x270 [ 28.118991] kunit_try_run_case+0x1a5/0x480 [ 28.119207] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.119475] kthread+0x337/0x6f0 [ 28.119715] ret_from_fork+0x116/0x1d0 [ 28.119894] ret_from_fork_asm+0x1a/0x30 [ 28.120073] [ 28.120185] CPU: 1 UID: 0 PID: 345 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) [ 28.120560] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.120733] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 28.121170] ==================================================================
[ 28.491710] ================================================================== [ 28.492244] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 28.492244] [ 28.492588] Use-after-free read at 0x(____ptrval____) (in kfence-#94): [ 28.492887] test_use_after_free_read+0x129/0x270 [ 28.493047] kunit_try_run_case+0x1a5/0x480 [ 28.493270] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.493557] kthread+0x337/0x6f0 [ 28.493718] ret_from_fork+0x116/0x1d0 [ 28.493853] ret_from_fork_asm+0x1a/0x30 [ 28.494026] [ 28.494131] kfence-#94: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 28.494131] [ 28.494969] allocated by task 346 on cpu 0 at 28.491563s (0.003402s ago): [ 28.495236] test_alloc+0x2a6/0x10f0 [ 28.495388] test_use_after_free_read+0xdc/0x270 [ 28.495557] kunit_try_run_case+0x1a5/0x480 [ 28.495766] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.495939] kthread+0x337/0x6f0 [ 28.496079] ret_from_fork+0x116/0x1d0 [ 28.496265] ret_from_fork_asm+0x1a/0x30 [ 28.496548] [ 28.496639] freed by task 346 on cpu 0 at 28.491621s (0.005015s ago): [ 28.496908] test_use_after_free_read+0xfb/0x270 [ 28.497164] kunit_try_run_case+0x1a5/0x480 [ 28.497358] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.497585] kthread+0x337/0x6f0 [ 28.497740] ret_from_fork+0x116/0x1d0 [ 28.497916] ret_from_fork_asm+0x1a/0x30 [ 28.498181] [ 28.498303] CPU: 0 UID: 0 PID: 346 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) [ 28.498780] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.498975] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 28.499251] ================================================================== [ 28.387833] ================================================================== [ 28.388349] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 28.388349] [ 28.389118] Use-after-free read at 0x(____ptrval____) (in kfence-#93): [ 28.389389] test_use_after_free_read+0x129/0x270 [ 28.389617] kunit_try_run_case+0x1a5/0x480 [ 28.389804] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.390476] kthread+0x337/0x6f0 [ 28.390638] ret_from_fork+0x116/0x1d0 [ 28.390827] ret_from_fork_asm+0x1a/0x30 [ 28.391287] [ 28.391389] kfence-#93: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 28.391389] [ 28.391916] allocated by task 344 on cpu 1 at 28.387561s (0.004352s ago): [ 28.392273] test_alloc+0x364/0x10f0 [ 28.392438] test_use_after_free_read+0xdc/0x270 [ 28.392641] kunit_try_run_case+0x1a5/0x480 [ 28.392822] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.393048] kthread+0x337/0x6f0 [ 28.393568] ret_from_fork+0x116/0x1d0 [ 28.393733] ret_from_fork_asm+0x1a/0x30 [ 28.394046] [ 28.394484] freed by task 344 on cpu 1 at 28.387655s (0.006659s ago): [ 28.394839] test_use_after_free_read+0x1e7/0x270 [ 28.395173] kunit_try_run_case+0x1a5/0x480 [ 28.395386] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 28.395728] kthread+0x337/0x6f0 [ 28.395961] ret_from_fork+0x116/0x1d0 [ 28.396236] ret_from_fork_asm+0x1a/0x30 [ 28.396527] [ 28.396665] CPU: 1 UID: 0 PID: 344 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) [ 28.397359] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.397545] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 28.398094] ==================================================================