Date
July 16, 2025, 3:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.128024] ================================================================== [ 22.128145] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.128145] [ 22.128261] Use-after-free read at 0x0000000000e49ab7 (in kfence-#99): [ 22.128316] test_use_after_free_read+0x114/0x248 [ 22.128365] kunit_try_run_case+0x170/0x3f0 [ 22.128409] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.128452] kthread+0x328/0x630 [ 22.128494] ret_from_fork+0x10/0x20 [ 22.128534] [ 22.128558] kfence-#99: 0x0000000000e49ab7-0x00000000a77ea623, size=32, cache=kmalloc-32 [ 22.128558] [ 22.128612] allocated by task 295 on cpu 0 at 22.127697s (0.000911s ago): [ 22.128684] test_alloc+0x29c/0x628 [ 22.128742] test_use_after_free_read+0xd0/0x248 [ 22.128784] kunit_try_run_case+0x170/0x3f0 [ 22.128824] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.128866] kthread+0x328/0x630 [ 22.128903] ret_from_fork+0x10/0x20 [ 22.128955] [ 22.129080] freed by task 295 on cpu 0 at 22.127788s (0.001214s ago): [ 22.129187] test_use_after_free_read+0x1c0/0x248 [ 22.129228] kunit_try_run_case+0x170/0x3f0 [ 22.129269] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.129311] kthread+0x328/0x630 [ 22.129348] ret_from_fork+0x10/0x20 [ 22.129399] [ 22.129451] CPU: 0 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 22.129532] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.129562] Hardware name: linux,dummy-virt (DT) [ 22.129596] ================================================================== [ 22.231819] ================================================================== [ 22.231913] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 22.231913] [ 22.232001] Use-after-free read at 0x000000009ac1888e (in kfence-#100): [ 22.232055] test_use_after_free_read+0x114/0x248 [ 22.232103] kunit_try_run_case+0x170/0x3f0 [ 22.232147] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.232192] kthread+0x328/0x630 [ 22.232230] ret_from_fork+0x10/0x20 [ 22.232271] [ 22.232295] kfence-#100: 0x000000009ac1888e-0x00000000a3b6211d, size=32, cache=test [ 22.232295] [ 22.232347] allocated by task 297 on cpu 0 at 22.231617s (0.000726s ago): [ 22.232418] test_alloc+0x230/0x628 [ 22.232459] test_use_after_free_read+0xd0/0x248 [ 22.232501] kunit_try_run_case+0x170/0x3f0 [ 22.232541] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.232586] kthread+0x328/0x630 [ 22.232622] ret_from_fork+0x10/0x20 [ 22.232661] [ 22.232686] freed by task 297 on cpu 0 at 22.231677s (0.001005s ago): [ 22.232799] test_use_after_free_read+0xf0/0x248 [ 22.232843] kunit_try_run_case+0x170/0x3f0 [ 22.232883] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.232935] kthread+0x328/0x630 [ 22.232970] ret_from_fork+0x10/0x20 [ 22.233009] [ 22.233053] CPU: 0 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 22.233134] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.233162] Hardware name: linux,dummy-virt (DT) [ 22.233196] ==================================================================
[ 19.044547] ================================================================== [ 19.044991] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 19.044991] [ 19.045408] Use-after-free read at 0x(____ptrval____) (in kfence-#82): [ 19.046581] test_use_after_free_read+0x129/0x270 [ 19.046811] kunit_try_run_case+0x1a5/0x480 [ 19.047017] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.047205] kthread+0x337/0x6f0 [ 19.047332] ret_from_fork+0x116/0x1d0 [ 19.047706] ret_from_fork_asm+0x1a/0x30 [ 19.048002] [ 19.048108] kfence-#82: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 19.048108] [ 19.048385] allocated by task 314 on cpu 1 at 19.044379s (0.004004s ago): [ 19.048616] test_alloc+0x2a6/0x10f0 [ 19.048748] test_use_after_free_read+0xdc/0x270 [ 19.049362] kunit_try_run_case+0x1a5/0x480 [ 19.049662] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.050814] kthread+0x337/0x6f0 [ 19.051000] ret_from_fork+0x116/0x1d0 [ 19.051149] ret_from_fork_asm+0x1a/0x30 [ 19.051295] [ 19.051369] freed by task 314 on cpu 1 at 19.044421s (0.006946s ago): [ 19.051607] test_use_after_free_read+0xfb/0x270 [ 19.051765] kunit_try_run_case+0x1a5/0x480 [ 19.052610] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.053255] kthread+0x337/0x6f0 [ 19.053621] ret_from_fork+0x116/0x1d0 [ 19.054048] ret_from_fork_asm+0x1a/0x30 [ 19.054208] [ 19.054312] CPU: 1 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 19.055619] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.056111] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.056688] ================================================================== [ 18.940458] ================================================================== [ 18.940879] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.940879] [ 18.941430] Use-after-free read at 0x(____ptrval____) (in kfence-#81): [ 18.941657] test_use_after_free_read+0x129/0x270 [ 18.941927] kunit_try_run_case+0x1a5/0x480 [ 18.942138] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.942387] kthread+0x337/0x6f0 [ 18.942532] ret_from_fork+0x116/0x1d0 [ 18.942672] ret_from_fork_asm+0x1a/0x30 [ 18.942903] [ 18.943005] kfence-#81: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 18.943005] [ 18.943417] allocated by task 312 on cpu 0 at 18.940251s (0.003164s ago): [ 18.943670] test_alloc+0x364/0x10f0 [ 18.943872] test_use_after_free_read+0xdc/0x270 [ 18.944095] kunit_try_run_case+0x1a5/0x480 [ 18.944246] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.944518] kthread+0x337/0x6f0 [ 18.944760] ret_from_fork+0x116/0x1d0 [ 18.944931] ret_from_fork_asm+0x1a/0x30 [ 18.945099] [ 18.945316] freed by task 312 on cpu 0 at 18.940310s (0.004924s ago): [ 18.945779] test_use_after_free_read+0x1e7/0x270 [ 18.945979] kunit_try_run_case+0x1a5/0x480 [ 18.946162] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.946344] kthread+0x337/0x6f0 [ 18.946600] ret_from_fork+0x116/0x1d0 [ 18.946804] ret_from_fork_asm+0x1a/0x30 [ 18.947023] [ 18.947127] CPU: 0 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 18.947585] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.947848] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.948216] ==================================================================