Date
July 20, 2025, 11:12 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.041632] ================================================================== [ 21.042064] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.042064] [ 21.042506] Use-after-free read at 0x000000000c979f89 (in kfence-#88): [ 21.042573] test_use_after_free_read+0x114/0x248 [ 21.043015] kunit_try_run_case+0x170/0x3f0 [ 21.043424] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.043651] kthread+0x328/0x630 [ 21.043912] ret_from_fork+0x10/0x20 [ 21.043992] [ 21.044028] kfence-#88: 0x000000000c979f89-0x000000002ba62501, size=32, cache=kmalloc-32 [ 21.044028] [ 21.044092] allocated by task 295 on cpu 1 at 21.040633s (0.003455s ago): [ 21.044163] test_alloc+0x29c/0x628 [ 21.044221] test_use_after_free_read+0xd0/0x248 [ 21.044274] kunit_try_run_case+0x170/0x3f0 [ 21.044328] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.044377] kthread+0x328/0x630 [ 21.044413] ret_from_fork+0x10/0x20 [ 21.044494] [ 21.044720] freed by task 295 on cpu 1 at 21.040990s (0.003604s ago): [ 21.044874] test_use_after_free_read+0x1c0/0x248 [ 21.044946] kunit_try_run_case+0x170/0x3f0 [ 21.044997] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.045046] kthread+0x328/0x630 [ 21.045089] ret_from_fork+0x10/0x20 [ 21.045164] [ 21.045221] CPU: 1 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT [ 21.045322] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.045367] Hardware name: linux,dummy-virt (DT) [ 21.045405] ================================================================== [ 21.145049] ================================================================== [ 21.145138] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.145138] [ 21.145605] Use-after-free read at 0x00000000b0120860 (in kfence-#89): [ 21.145707] test_use_after_free_read+0x114/0x248 [ 21.145839] kunit_try_run_case+0x170/0x3f0 [ 21.145892] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.145961] kthread+0x328/0x630 [ 21.146306] ret_from_fork+0x10/0x20 [ 21.146475] [ 21.146521] kfence-#89: 0x00000000b0120860-0x0000000072f17572, size=32, cache=test [ 21.146521] [ 21.147002] allocated by task 297 on cpu 1 at 21.144258s (0.002711s ago): [ 21.147359] test_alloc+0x230/0x628 [ 21.147470] test_use_after_free_read+0xd0/0x248 [ 21.147560] kunit_try_run_case+0x170/0x3f0 [ 21.147933] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.148038] kthread+0x328/0x630 [ 21.148205] ret_from_fork+0x10/0x20 [ 21.148270] [ 21.148607] freed by task 297 on cpu 1 at 21.144348s (0.004225s ago): [ 21.149084] test_use_after_free_read+0xf0/0x248 [ 21.149149] kunit_try_run_case+0x170/0x3f0 [ 21.149384] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.149878] kthread+0x328/0x630 [ 21.150221] ret_from_fork+0x10/0x20 [ 21.150655] [ 21.150742] CPU: 1 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT [ 21.150958] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.150988] Hardware name: linux,dummy-virt (DT) [ 21.151201] ==================================================================
[ 21.039030] ================================================================== [ 21.039143] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.039143] [ 21.039244] Use-after-free read at 0x000000009d0676a5 (in kfence-#88): [ 21.039296] test_use_after_free_read+0x114/0x248 [ 21.039344] kunit_try_run_case+0x170/0x3f0 [ 21.039387] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.039431] kthread+0x328/0x630 [ 21.039472] ret_from_fork+0x10/0x20 [ 21.040129] [ 21.040172] kfence-#88: 0x000000009d0676a5-0x00000000e82d3958, size=32, cache=kmalloc-32 [ 21.040172] [ 21.040249] allocated by task 295 on cpu 1 at 21.038416s (0.001812s ago): [ 21.040472] test_alloc+0x29c/0x628 [ 21.040524] test_use_after_free_read+0xd0/0x248 [ 21.040579] kunit_try_run_case+0x170/0x3f0 [ 21.040941] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.041218] kthread+0x328/0x630 [ 21.041362] ret_from_fork+0x10/0x20 [ 21.041560] [ 21.042261] freed by task 295 on cpu 1 at 21.038707s (0.003016s ago): [ 21.042760] test_use_after_free_read+0x1c0/0x248 [ 21.043204] kunit_try_run_case+0x170/0x3f0 [ 21.043316] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.043380] kthread+0x328/0x630 [ 21.043686] ret_from_fork+0x10/0x20 [ 21.043911] [ 21.044080] CPU: 1 UID: 0 PID: 295 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT [ 21.044168] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.044567] Hardware name: linux,dummy-virt (DT) [ 21.044682] ================================================================== [ 21.142515] ================================================================== [ 21.142594] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x114/0x248 [ 21.142594] [ 21.142693] Use-after-free read at 0x0000000032ae1fdd (in kfence-#89): [ 21.143013] test_use_after_free_read+0x114/0x248 [ 21.143150] kunit_try_run_case+0x170/0x3f0 [ 21.143204] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.143249] kthread+0x328/0x630 [ 21.143578] ret_from_fork+0x10/0x20 [ 21.143658] [ 21.143684] kfence-#89: 0x0000000032ae1fdd-0x00000000dc4876fa, size=32, cache=test [ 21.143684] [ 21.143936] allocated by task 297 on cpu 1 at 21.142147s (0.001779s ago): [ 21.144712] test_alloc+0x230/0x628 [ 21.144787] test_use_after_free_read+0xd0/0x248 [ 21.144833] kunit_try_run_case+0x170/0x3f0 [ 21.145153] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.145614] kthread+0x328/0x630 [ 21.145805] ret_from_fork+0x10/0x20 [ 21.146253] [ 21.146363] freed by task 297 on cpu 1 at 21.142304s (0.004027s ago): [ 21.146585] test_use_after_free_read+0xf0/0x248 [ 21.146770] kunit_try_run_case+0x170/0x3f0 [ 21.146859] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.146959] kthread+0x328/0x630 [ 21.147226] ret_from_fork+0x10/0x20 [ 21.147479] [ 21.147534] CPU: 1 UID: 0 PID: 297 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT [ 21.147978] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.148074] Hardware name: linux,dummy-virt (DT) [ 21.148151] ==================================================================
[ 18.299480] ================================================================== [ 18.299890] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.299890] [ 18.300338] Use-after-free read at 0x(____ptrval____) (in kfence-#74): [ 18.300857] test_use_after_free_read+0x129/0x270 [ 18.301078] kunit_try_run_case+0x1a5/0x480 [ 18.301293] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.301540] kthread+0x337/0x6f0 [ 18.302246] ret_from_fork+0x116/0x1d0 [ 18.302472] ret_from_fork_asm+0x1a/0x30 [ 18.302882] [ 18.303080] kfence-#74: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 18.303080] [ 18.303490] allocated by task 315 on cpu 1 at 18.299339s (0.004148s ago): [ 18.303999] test_alloc+0x2a6/0x10f0 [ 18.304286] test_use_after_free_read+0xdc/0x270 [ 18.304523] kunit_try_run_case+0x1a5/0x480 [ 18.304950] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.305300] kthread+0x337/0x6f0 [ 18.305558] ret_from_fork+0x116/0x1d0 [ 18.305813] ret_from_fork_asm+0x1a/0x30 [ 18.306126] [ 18.306252] freed by task 315 on cpu 1 at 18.299404s (0.006845s ago): [ 18.306732] test_use_after_free_read+0xfb/0x270 [ 18.307064] kunit_try_run_case+0x1a5/0x480 [ 18.307277] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.307680] kthread+0x337/0x6f0 [ 18.307935] ret_from_fork+0x116/0x1d0 [ 18.308209] ret_from_fork_asm+0x1a/0x30 [ 18.308434] [ 18.308754] CPU: 1 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT(voluntary) [ 18.309214] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.309440] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.309979] ================================================================== [ 18.195610] ================================================================== [ 18.196043] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.196043] [ 18.196547] Use-after-free read at 0x(____ptrval____) (in kfence-#73): [ 18.197078] test_use_after_free_read+0x129/0x270 [ 18.197312] kunit_try_run_case+0x1a5/0x480 [ 18.197534] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.198035] kthread+0x337/0x6f0 [ 18.198358] ret_from_fork+0x116/0x1d0 [ 18.198668] ret_from_fork_asm+0x1a/0x30 [ 18.199010] [ 18.199117] kfence-#73: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 18.199117] [ 18.199624] allocated by task 313 on cpu 0 at 18.195389s (0.004233s ago): [ 18.200038] test_alloc+0x364/0x10f0 [ 18.200211] test_use_after_free_read+0xdc/0x270 [ 18.200432] kunit_try_run_case+0x1a5/0x480 [ 18.200617] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.201108] kthread+0x337/0x6f0 [ 18.201255] ret_from_fork+0x116/0x1d0 [ 18.201583] ret_from_fork_asm+0x1a/0x30 [ 18.201819] [ 18.202181] freed by task 313 on cpu 0 at 18.195456s (0.006632s ago): [ 18.202638] test_use_after_free_read+0x1e7/0x270 [ 18.202962] kunit_try_run_case+0x1a5/0x480 [ 18.203226] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.203556] kthread+0x337/0x6f0 [ 18.203827] ret_from_fork+0x116/0x1d0 [ 18.204004] ret_from_fork_asm+0x1a/0x30 [ 18.204218] [ 18.204324] CPU: 0 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT(voluntary) [ 18.205052] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.205313] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.205806] ==================================================================
[ 18.097446] ================================================================== [ 18.097842] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 18.097842] [ 18.098263] Use-after-free read at 0x(____ptrval____) (in kfence-#72): [ 18.098664] test_use_after_free_read+0x129/0x270 [ 18.098907] kunit_try_run_case+0x1a5/0x480 [ 18.099104] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.099334] kthread+0x337/0x6f0 [ 18.099530] ret_from_fork+0x116/0x1d0 [ 18.099728] ret_from_fork_asm+0x1a/0x30 [ 18.099901] [ 18.099975] kfence-#72: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test [ 18.099975] [ 18.100478] allocated by task 315 on cpu 0 at 18.097339s (0.003137s ago): [ 18.100795] test_alloc+0x2a6/0x10f0 [ 18.101000] test_use_after_free_read+0xdc/0x270 [ 18.101236] kunit_try_run_case+0x1a5/0x480 [ 18.101440] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.101674] kthread+0x337/0x6f0 [ 18.101824] ret_from_fork+0x116/0x1d0 [ 18.102014] ret_from_fork_asm+0x1a/0x30 [ 18.102285] [ 18.102417] freed by task 315 on cpu 0 at 18.097376s (0.005038s ago): [ 18.102808] test_use_after_free_read+0xfb/0x270 [ 18.103016] kunit_try_run_case+0x1a5/0x480 [ 18.103274] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.103547] kthread+0x337/0x6f0 [ 18.103724] ret_from_fork+0x116/0x1d0 [ 18.103903] ret_from_fork_asm+0x1a/0x30 [ 18.104129] [ 18.104298] CPU: 0 UID: 0 PID: 315 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT(voluntary) [ 18.104740] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.104966] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.105379] ================================================================== [ 17.993370] ================================================================== [ 17.993779] BUG: KFENCE: use-after-free read in test_use_after_free_read+0x129/0x270 [ 17.993779] [ 17.994230] Use-after-free read at 0x(____ptrval____) (in kfence-#71): [ 17.994544] test_use_after_free_read+0x129/0x270 [ 17.994761] kunit_try_run_case+0x1a5/0x480 [ 17.994983] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.995243] kthread+0x337/0x6f0 [ 17.995446] ret_from_fork+0x116/0x1d0 [ 17.995618] ret_from_fork_asm+0x1a/0x30 [ 17.995768] [ 17.995844] kfence-#71: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32 [ 17.995844] [ 17.996333] allocated by task 313 on cpu 0 at 17.993200s (0.003130s ago): [ 17.996690] test_alloc+0x364/0x10f0 [ 17.996896] test_use_after_free_read+0xdc/0x270 [ 17.997116] kunit_try_run_case+0x1a5/0x480 [ 17.997359] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.997579] kthread+0x337/0x6f0 [ 17.997744] ret_from_fork+0x116/0x1d0 [ 17.997929] ret_from_fork_asm+0x1a/0x30 [ 17.998099] [ 17.998212] freed by task 313 on cpu 0 at 17.993247s (0.004962s ago): [ 17.998510] test_use_after_free_read+0x1e7/0x270 [ 17.998719] kunit_try_run_case+0x1a5/0x480 [ 17.998864] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.999356] kthread+0x337/0x6f0 [ 17.999528] ret_from_fork+0x116/0x1d0 [ 17.999731] ret_from_fork_asm+0x1a/0x30 [ 17.999930] [ 18.000031] CPU: 0 UID: 0 PID: 313 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT(voluntary) [ 18.000669] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.000882] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.001422] ==================================================================