Hay
Date
July 13, 2025, 11:09 p.m.

Environment
qemu-arm64
qemu-x86_64

[   25.288850] ==================================================================
[   25.288940] BUG: KFENCE: memory corruption in test_kmalloc_aligned_oob_write+0x214/0x2c0
[   25.288940] 
[   25.289001] Corrupted memory at 0x00000000879a41a6 [ ! . . . . . . . . . . . . . . . ] (in kfence-#137):
[   25.289333]  test_kmalloc_aligned_oob_write+0x214/0x2c0
[   25.289383]  kunit_try_run_case+0x170/0x3f0
[   25.289427]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   25.289472]  kthread+0x328/0x630
[   25.289510]  ret_from_fork+0x10/0x20
[   25.289548] 
[   25.289572] kfence-#137: 0x000000005c77673a-0x000000009a67c093, size=73, cache=kmalloc-96
[   25.289572] 
[   25.289626] allocated by task 326 on cpu 1 at 25.288625s (0.000997s ago):
[   25.289689]  test_alloc+0x29c/0x628
[   25.289731]  test_kmalloc_aligned_oob_write+0xbc/0x2c0
[   25.289774]  kunit_try_run_case+0x170/0x3f0
[   25.289813]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   25.289857]  kthread+0x328/0x630
[   25.289892]  ret_from_fork+0x10/0x20
[   25.289931] 
[   25.289954] freed by task 326 on cpu 1 at 25.288767s (0.001183s ago):
[   25.290015]  test_kmalloc_aligned_oob_write+0x214/0x2c0
[   25.290059]  kunit_try_run_case+0x170/0x3f0
[   25.290099]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   25.290141]  kthread+0x328/0x630
[   25.290178]  ret_from_fork+0x10/0x20
[   25.290231] 
[   25.290274] CPU: 1 UID: 0 PID: 326 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   25.290352] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.290379] Hardware name: linux,dummy-virt (DT)
[   25.290414] ==================================================================

[   26.680100] ==================================================================
[   26.680214] BUG: KFENCE: memory corruption in test_kmalloc_aligned_oob_write+0x214/0x2c0
[   26.680214] 
[   26.680278] Corrupted memory at 0x00000000e4e5b11e [ ! . . . . . . . . . . . . . . . ] (in kfence-#143):
[   26.680593]  test_kmalloc_aligned_oob_write+0x214/0x2c0
[   26.680642]  kunit_try_run_case+0x170/0x3f0
[   26.680686]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   26.680731]  kthread+0x328/0x630
[   26.680771]  ret_from_fork+0x10/0x20
[   26.680810] 
[   26.680833] kfence-#143: 0x0000000004e2389b-0x000000003f7ea85e, size=73, cache=kmalloc-96
[   26.680833] 
[   26.680888] allocated by task 326 on cpu 0 at 26.679855s (0.001029s ago):
[   26.680950]  test_alloc+0x29c/0x628
[   26.680992]  test_kmalloc_aligned_oob_write+0xbc/0x2c0
[   26.681035]  kunit_try_run_case+0x170/0x3f0
[   26.681074]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   26.681117]  kthread+0x328/0x630
[   26.681152]  ret_from_fork+0x10/0x20
[   26.681202] 
[   26.681225] freed by task 326 on cpu 0 at 26.680003s (0.001218s ago):
[   26.681286]  test_kmalloc_aligned_oob_write+0x214/0x2c0
[   26.681329]  kunit_try_run_case+0x170/0x3f0
[   26.681369]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   26.681411]  kthread+0x328/0x630
[   26.681447]  ret_from_fork+0x10/0x20
[   26.681486] 
[   26.681529] CPU: 0 UID: 0 PID: 326 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   26.681607] Tainted: [B]=BAD_PAGE, [N]=TEST
[   26.681635] Hardware name: linux,dummy-virt (DT)
[   26.681669] ==================================================================

[   24.613109] ==================================================================
[   24.613497] BUG: KFENCE: memory corruption in test_kmalloc_aligned_oob_write+0x24f/0x340
[   24.613497] 
[   24.613894] Corrupted memory at 0x(____ptrval____) [ ! . . . . . . . . . . . . . . . ] (in kfence-#137):
[   24.614498]  test_kmalloc_aligned_oob_write+0x24f/0x340
[   24.614813]  kunit_try_run_case+0x1a5/0x480
[   24.615011]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.615235]  kthread+0x337/0x6f0
[   24.615424]  ret_from_fork+0x116/0x1d0
[   24.615597]  ret_from_fork_asm+0x1a/0x30
[   24.615803] 
[   24.615892] kfence-#137: 0x(____ptrval____)-0x(____ptrval____), size=73, cache=kmalloc-96
[   24.615892] 
[   24.616275] allocated by task 343 on cpu 1 at 24.612889s (0.003384s ago):
[   24.616598]  test_alloc+0x364/0x10f0
[   24.616768]  test_kmalloc_aligned_oob_write+0xc8/0x340
[   24.617007]  kunit_try_run_case+0x1a5/0x480
[   24.617190]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.617369]  kthread+0x337/0x6f0
[   24.617505]  ret_from_fork+0x116/0x1d0
[   24.617698]  ret_from_fork_asm+0x1a/0x30
[   24.617908] 
[   24.618000] freed by task 343 on cpu 1 at 24.612998s (0.005000s ago):
[   24.618210]  test_kmalloc_aligned_oob_write+0x24f/0x340
[   24.618493]  kunit_try_run_case+0x1a5/0x480
[   24.618707]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.618966]  kthread+0x337/0x6f0
[   24.619132]  ret_from_fork+0x116/0x1d0
[   24.619305]  ret_from_fork_asm+0x1a/0x30
[   24.619530] 
[   24.619644] CPU: 1 UID: 0 PID: 343 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   24.620046] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.620246] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   24.620622] ==================================================================

[   24.081199] ==================================================================
[   24.081608] BUG: KFENCE: memory corruption in test_kmalloc_aligned_oob_write+0x24f/0x340
[   24.081608] 
[   24.082037] Corrupted memory at 0x(____ptrval____) [ ! . . . . . . . . . . . . . . . ] (in kfence-#128):
[   24.082795]  test_kmalloc_aligned_oob_write+0x24f/0x340
[   24.083076]  kunit_try_run_case+0x1a5/0x480
[   24.083266]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.083652]  kthread+0x337/0x6f0
[   24.083823]  ret_from_fork+0x116/0x1d0
[   24.083991]  ret_from_fork_asm+0x1a/0x30
[   24.084176] 
[   24.084277] kfence-#128: 0x(____ptrval____)-0x(____ptrval____), size=73, cache=kmalloc-96
[   24.084277] 
[   24.084831] allocated by task 344 on cpu 0 at 24.080936s (0.003893s ago):
[   24.085190]  test_alloc+0x364/0x10f0
[   24.085361]  test_kmalloc_aligned_oob_write+0xc8/0x340
[   24.085625]  kunit_try_run_case+0x1a5/0x480
[   24.085835]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.086108]  kthread+0x337/0x6f0
[   24.086354]  ret_from_fork+0x116/0x1d0
[   24.086488]  ret_from_fork_asm+0x1a/0x30
[   24.086685] 
[   24.086788] freed by task 344 on cpu 0 at 24.081079s (0.005707s ago):
[   24.087083]  test_kmalloc_aligned_oob_write+0x24f/0x340
[   24.087387]  kunit_try_run_case+0x1a5/0x480
[   24.087569]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.087845]  kthread+0x337/0x6f0
[   24.088016]  ret_from_fork+0x116/0x1d0
[   24.088249]  ret_from_fork_asm+0x1a/0x30
[   24.088428] 
[   24.088570] CPU: 0 UID: 0 PID: 344 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   24.089000] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.089150] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   24.089533] ==================================================================