Date
July 1, 2025, 3:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.085953] ================================================================== [ 22.086047] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.086047] [ 22.086132] Use-after-free read at 0x00000000b37d2e22 (in kfence-#98): [ 22.086185] test_use_after_free_read+0x114/0x248 [ 22.086232] kunit_try_run_case+0x170/0x3f0 [ 22.086275] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.086319] kthread+0x328/0x630 [ 22.086357] ret_from_fork+0x10/0x20 [ 22.086397] [ 22.086420] kfence-#98: 0x00000000b37d2e22-0x00000000675138bb, size=32, cache=test [ 22.086420] [ 22.086471] allocated by task 298 on cpu 1 at 22.085748s (0.000719s ago): [ 22.086540] test_alloc+0x230/0x628 [ 22.086593] test_use_after_free_read+0xd0/0x248 [ 22.086638] kunit_try_run_case+0x170/0x3f0 [ 22.086678] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.086721] kthread+0x328/0x630 [ 22.086758] ret_from_fork+0x10/0x20 [ 22.086797] [ 22.086820] freed by task 298 on cpu 1 at 22.085809s (0.001007s ago): [ 22.086919] test_use_after_free_read+0xf0/0x248 [ 22.086962] kunit_try_run_case+0x170/0x3f0 [ 22.087002] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.087047] kthread+0x328/0x630 [ 22.087084] ret_from_fork+0x10/0x20 [ 22.087123] [ 22.087164] CPU: 1 UID: 0 PID: 298 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 22.087242] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.087271] Hardware name: linux,dummy-virt (DT) [ 22.087306] ================================================================== [ 21.982072] ================================================================== [ 21.982166] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.982166] [ 21.982268] Use-after-free read at 0x00000000cd4da5f5 (in kfence-#97): [ 21.982321] test_use_after_free_read+0x114/0x248 [ 21.982367] kunit_try_run_case+0x170/0x3f0 [ 21.982414] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.982458] kthread+0x328/0x630 [ 21.982496] ret_from_fork+0x10/0x20 [ 21.982536] [ 21.982560] kfence-#97: 0x00000000cd4da5f5-0x00000000e4520b9a, size=32, cache=kmalloc-32 [ 21.982560] [ 21.982632] allocated by task 296 on cpu 1 at 21.981773s (0.000855s ago): [ 21.982702] test_alloc+0x29c/0x628 [ 21.982742] test_use_after_free_read+0xd0/0x248 [ 21.982783] kunit_try_run_case+0x170/0x3f0 [ 21.982823] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.982868] kthread+0x328/0x630 [ 21.982902] ret_from_fork+0x10/0x20 [ 21.982942] [ 21.982965] freed by task 296 on cpu 1 at 21.981863s (0.001098s ago): [ 21.983027] test_use_after_free_read+0x1c0/0x248 [ 21.983068] kunit_try_run_case+0x170/0x3f0 [ 21.983107] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.983151] kthread+0x328/0x630 [ 21.983187] ret_from_fork+0x10/0x20 [ 21.983225] [ 21.983272] CPU: 1 UID: 0 PID: 296 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 21.983351] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.983379] Hardware name: linux,dummy-virt (DT) [ 21.983415] ==================================================================
[ 17.639243] ================================================================== [ 17.639658] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.639658] [ 17.640035] Use-after-free read at 0x(____ptrval____) (in kfence-#78): [ 17.640324] test_use_after_free_read+0x129/0x270 [ 17.640494] kunit_try_run_case+0x1a5/0x480 [ 17.640716] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.640985] kthread+0x337/0x6f0 [ 17.641194] ret_from_fork+0x116/0x1d0 [ 17.641367] ret_from_fork_asm+0x1a/0x30 [ 17.641566] [ 17.641656] kfence-#78: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 17.641656] [ 17.642016] allocated by task 314 on cpu 0 at 17.639071s (0.002943s ago): [ 17.642315] test_alloc+0x2a6/0x10f0 [ 17.642482] test_use_after_free_read+0xdc/0x270 [ 17.642740] kunit_try_run_case+0x1a5/0x480 [ 17.642888] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.643076] kthread+0x337/0x6f0 [ 17.643222] ret_from_fork+0x116/0x1d0 [ 17.643409] ret_from_fork_asm+0x1a/0x30 [ 17.643603] [ 17.643716] freed by task 314 on cpu 0 at 17.639133s (0.004581s ago): [ 17.644055] test_use_after_free_read+0xfb/0x270 [ 17.644257] kunit_try_run_case+0x1a5/0x480 [ 17.644405] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.644601] kthread+0x337/0x6f0 [ 17.644852] ret_from_fork+0x116/0x1d0 [ 17.645055] ret_from_fork_asm+0x1a/0x30 [ 17.645253] [ 17.645381] CPU: 0 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 17.645827] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.645993] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.646336] ================================================================== [ 17.535239] ================================================================== [ 17.535697] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.535697] [ 17.536178] Use-after-free read at 0x(____ptrval____) (in kfence-#77): [ 17.536771] test_use_after_free_read+0x129/0x270 [ 17.537175] kunit_try_run_case+0x1a5/0x480 [ 17.537512] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.537803] kthread+0x337/0x6f0 [ 17.537939] ret_from_fork+0x116/0x1d0 [ 17.538094] ret_from_fork_asm+0x1a/0x30 [ 17.538243] [ 17.538320] kfence-#77: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.538320] [ 17.538606] allocated by task 312 on cpu 1 at 17.535010s (0.003594s ago): [ 17.539463] test_alloc+0x364/0x10f0 [ 17.539732] test_use_after_free_read+0xdc/0x270 [ 17.540040] kunit_try_run_case+0x1a5/0x480 [ 17.540327] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.540630] kthread+0x337/0x6f0 [ 17.540787] ret_from_fork+0x116/0x1d0 [ 17.541098] ret_from_fork_asm+0x1a/0x30 [ 17.541378] [ 17.541744] freed by task 312 on cpu 1 at 17.535082s (0.006497s ago): [ 17.542098] test_use_after_free_read+0x1e7/0x270 [ 17.542312] kunit_try_run_case+0x1a5/0x480 [ 17.542509] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.542909] kthread+0x337/0x6f0 [ 17.543098] ret_from_fork+0x116/0x1d0 [ 17.543389] ret_from_fork_asm+0x1a/0x30 [ 17.543685] [ 17.543797] CPU: 1 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 17.544405] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.544702] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.545144] ==================================================================