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Date
July 2, 2025, 11:10 a.m.

Environment
qemu-arm64
qemu-x86_64 

[   40.716205] ==================================================================
[   40.716289] BUG: KFENCE: memory corruption in test_kmalloc_aligned_oob_write+0x214/0x2c0
[   40.716289] 
[   40.716351] Corrupted memory at 0x000000008c5b98f3 [ ! . . . . . . . . . . . . . . . ] (in kfence-#178):
[   40.716672]  test_kmalloc_aligned_oob_write+0x214/0x2c0
[   40.716722]  kunit_try_run_case+0x170/0x3f0
[   40.716767]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   40.716812]  kthread+0x328/0x630
[   40.716851]  ret_from_fork+0x10/0x20
[   40.716891] 
[   40.716917] kfence-#178: 0x0000000013cb0c2b-0x00000000141f9852, size=73, cache=kmalloc-96
[   40.716917] 
[   40.716990] allocated by task 358 on cpu 0 at 40.715978s (0.001008s ago):
[   40.717057]  test_alloc+0x29c/0x628
[   40.717099]  test_kmalloc_aligned_oob_write+0xbc/0x2c0
[   40.717144]  kunit_try_run_case+0x170/0x3f0
[   40.717186]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   40.717233]  kthread+0x328/0x630
[   40.717270]  ret_from_fork+0x10/0x20
[   40.717312] 
[   40.717336] freed by task 358 on cpu 0 at 40.716120s (0.001212s ago):
[   40.717401]  test_kmalloc_aligned_oob_write+0x214/0x2c0
[   40.717446]  kunit_try_run_case+0x170/0x3f0
[   40.717488]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   40.717532]  kthread+0x328/0x630
[   40.717570]  ret_from_fork+0x10/0x20
[   40.717611] 
[   40.717652] CPU: 0 UID: 0 PID: 358 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4-next-20250702 #1 PREEMPT 
[   40.717736] Tainted: [B]=BAD_PAGE, [N]=TEST
[   40.717767] Hardware name: linux,dummy-virt (DT)
[   40.717801] ==================================================================
Metadata Full log Test run details 

[   44.164545] ==================================================================
[   44.164642] BUG: KFENCE: memory corruption in test_kmalloc_aligned_oob_write+0x214/0x2c0
[   44.164642] 
[   44.164708] Corrupted memory at 0x00000000f1fd5dd6 [ ! . . . . . . . . . . . . . . . ] (in kfence-#196):
[   44.165029]  test_kmalloc_aligned_oob_write+0x214/0x2c0
[   44.165080]  kunit_try_run_case+0x170/0x3f0
[   44.165126]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   44.165188]  kthread+0x328/0x630
[   44.165227]  ret_from_fork+0x10/0x20
[   44.165269] 
[   44.165296] kfence-#196: 0x0000000055defe1e-0x000000006634942d, size=73, cache=kmalloc-96
[   44.165296] 
[   44.165351] allocated by task 356 on cpu 0 at 44.164307s (0.001040s ago):
[   44.165416]  test_alloc+0x29c/0x628
[   44.165458]  test_kmalloc_aligned_oob_write+0xbc/0x2c0
[   44.165510]  kunit_try_run_case+0x170/0x3f0
[   44.165551]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   44.165596]  kthread+0x328/0x630
[   44.165634]  ret_from_fork+0x10/0x20
[   44.165674] 
[   44.165699] freed by task 356 on cpu 0 at 44.164448s (0.001246s ago):
[   44.165763]  test_kmalloc_aligned_oob_write+0x214/0x2c0
[   44.165808]  kunit_try_run_case+0x170/0x3f0
[   44.165849]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   44.165894]  kthread+0x328/0x630
[   44.165931]  ret_from_fork+0x10/0x20
[   44.165972] 
[   44.166017] CPU: 0 UID: 0 PID: 356 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4-next-20250702 #1 PREEMPT 
[   44.166100] Tainted: [B]=BAD_PAGE, [N]=TEST
[   44.166131] Hardware name: linux,dummy-virt (DT)
[   44.166176] ==================================================================
Metadata Full log Test run details 

[   34.458152] ==================================================================
[   34.458614] BUG: KFENCE: memory corruption in test_kmalloc_aligned_oob_write+0x24f/0x340
[   34.458614] 
[   34.458977] Corrupted memory at 0x(____ptrval____) [ ! . . . . . . . . . . . . . . . ] (in kfence-#152):
[   34.459615]  test_kmalloc_aligned_oob_write+0x24f/0x340
[   34.459814]  kunit_try_run_case+0x1a5/0x480
[   34.460163]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   34.460371]  kthread+0x337/0x6f0
[   34.460511]  ret_from_fork+0x116/0x1d0
[   34.460799]  ret_from_fork_asm+0x1a/0x30
[   34.460939] 
[   34.461009] kfence-#152: 0x(____ptrval____)-0x(____ptrval____), size=73, cache=kmalloc-96
[   34.461009] 
[   34.461448] allocated by task 373 on cpu 1 at 34.457898s (0.003547s ago):
[   34.461830]  test_alloc+0x364/0x10f0
[   34.462017]  test_kmalloc_aligned_oob_write+0xc8/0x340
[   34.462227]  kunit_try_run_case+0x1a5/0x480
[   34.462425]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   34.462641]  kthread+0x337/0x6f0
[   34.462803]  ret_from_fork+0x116/0x1d0
[   34.462961]  ret_from_fork_asm+0x1a/0x30
[   34.463133] 
[   34.463217] freed by task 373 on cpu 1 at 34.458036s (0.005179s ago):
[   34.463468]  test_kmalloc_aligned_oob_write+0x24f/0x340
[   34.463634]  kunit_try_run_case+0x1a5/0x480
[   34.463799]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   34.464092]  kthread+0x337/0x6f0
[   34.464257]  ret_from_fork+0x116/0x1d0
[   34.464402]  ret_from_fork_asm+0x1a/0x30
[   34.464690] 
[   34.464808] CPU: 1 UID: 0 PID: 373 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) 
[   34.465259] Tainted: [B]=BAD_PAGE, [N]=TEST
[   34.465417] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   34.465771] ==================================================================
Metadata Full log Test run details 

[   33.795860] ==================================================================
[   33.796324] BUG: KFENCE: memory corruption in test_kmalloc_aligned_oob_write+0x24f/0x340
[   33.796324] 
[   33.796755] Corrupted memory at 0x(____ptrval____) [ ! . . . . . . . . . . . . . . . ] (in kfence-#145):
[   33.797354]  test_kmalloc_aligned_oob_write+0x24f/0x340
[   33.797530]  kunit_try_run_case+0x1a5/0x480
[   33.797947]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   33.798209]  kthread+0x337/0x6f0
[   33.798400]  ret_from_fork+0x116/0x1d0
[   33.798559]  ret_from_fork_asm+0x1a/0x30
[   33.798692] 
[   33.798762] kfence-#145: 0x(____ptrval____)-0x(____ptrval____), size=73, cache=kmalloc-96
[   33.798762] 
[   33.799471] allocated by task 374 on cpu 1 at 33.795572s (0.003897s ago):
[   33.799770]  test_alloc+0x364/0x10f0
[   33.799963]  test_kmalloc_aligned_oob_write+0xc8/0x340
[   33.800207]  kunit_try_run_case+0x1a5/0x480
[   33.800379]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   33.800572]  kthread+0x337/0x6f0
[   33.800753]  ret_from_fork+0x116/0x1d0
[   33.800962]  ret_from_fork_asm+0x1a/0x30
[   33.801157] 
[   33.801225] freed by task 374 on cpu 1 at 33.795733s (0.005489s ago):
[   33.801430]  test_kmalloc_aligned_oob_write+0x24f/0x340
[   33.801649]  kunit_try_run_case+0x1a5/0x480
[   33.801856]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   33.802226]  kthread+0x337/0x6f0
[   33.802351]  ret_from_fork+0x116/0x1d0
[   33.802473]  ret_from_fork_asm+0x1a/0x30
[   33.802602] 
[   33.802695] CPU: 1 UID: 0 PID: 374 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4-next-20250702 #1 PREEMPT(voluntary) 
[   33.803364] Tainted: [B]=BAD_PAGE, [N]=TEST
[   33.803568] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   33.803995] ==================================================================
Metadata Full log Test run details