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Date
July 20, 2025, 11:12 p.m.

Environment
qemu-arm64
qemu-x86_64 

[   20.827111] ==================================================================
[   20.827192] BUG: KFENCE: out-of-bounds write in test_out_of_bounds_write+0x100/0x240
[   20.827192] 
[   20.827281] Out-of-bounds write at 0x00000000d1804bd9 (1B left of kfence-#86):
[   20.827547]  test_out_of_bounds_write+0x100/0x240
[   20.827723]  kunit_try_run_case+0x170/0x3f0
[   20.827818]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.827863]  kthread+0x328/0x630
[   20.827971]  ret_from_fork+0x10/0x20
[   20.828048] 
[   20.828074] kfence-#86: 0x00000000a6ba867a-0x0000000014214f71, size=32, cache=kmalloc-32
[   20.828074] 
[   20.828127] allocated by task 291 on cpu 1 at 20.826908s (0.001215s ago):
[   20.828283]  test_alloc+0x29c/0x628
[   20.828535]  test_out_of_bounds_write+0xc8/0x240
[   20.828621]  kunit_try_run_case+0x170/0x3f0
[   20.828666]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.828708]  kthread+0x328/0x630
[   20.828745]  ret_from_fork+0x10/0x20
[   20.828976] 
[   20.829035] CPU: 1 UID: 0 PID: 291 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7 #1 PREEMPT 
[   20.829120] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.829258] Hardware name: linux,dummy-virt (DT)
[   20.829301] ==================================================================
[   20.936720] ==================================================================
[   20.936827] BUG: KFENCE: out-of-bounds write in test_out_of_bounds_write+0x100/0x240
[   20.936827] 
[   20.936926] Out-of-bounds write at 0x0000000033a12ffc (1B left of kfence-#87):
[   20.937258]  test_out_of_bounds_write+0x100/0x240
[   20.937621]  kunit_try_run_case+0x170/0x3f0
[   20.937754]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.938029]  kthread+0x328/0x630
[   20.938153]  ret_from_fork+0x10/0x20
[   20.938528] 
[   20.938665] kfence-#87: 0x00000000d3945794-0x00000000e043237d, size=32, cache=test
[   20.938665] 
[   20.939043] allocated by task 293 on cpu 1 at 20.935999s (0.003028s ago):
[   20.939233]  test_alloc+0x230/0x628
[   20.939372]  test_out_of_bounds_write+0xc8/0x240
[   20.939542]  kunit_try_run_case+0x170/0x3f0
[   20.940046]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.940315]  kthread+0x328/0x630
[   20.940955]  ret_from_fork+0x10/0x20
[   20.941159] 
[   20.941275] CPU: 1 UID: 0 PID: 293 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7 #1 PREEMPT 
[   20.941362] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.941719] Hardware name: linux,dummy-virt (DT)
[   20.941944] ==================================================================
Metadata Full log Test run details 

[   20.935149] ==================================================================
[   20.935257] BUG: KFENCE: out-of-bounds write in test_out_of_bounds_write+0x100/0x240
[   20.935257] 
[   20.935499] Out-of-bounds write at 0x00000000e41faff5 (1B left of kfence-#87):
[   20.935573]  test_out_of_bounds_write+0x100/0x240
[   20.935826]  kunit_try_run_case+0x170/0x3f0
[   20.935923]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.935968]  kthread+0x328/0x630
[   20.936016]  ret_from_fork+0x10/0x20
[   20.936237] 
[   20.936423] kfence-#87: 0x000000004e791da3-0x00000000ceb66601, size=32, cache=test
[   20.936423] 
[   20.936537] allocated by task 293 on cpu 1 at 20.934524s (0.001962s ago):
[   20.936701]  test_alloc+0x230/0x628
[   20.936749]  test_out_of_bounds_write+0xc8/0x240
[   20.936816]  kunit_try_run_case+0x170/0x3f0
[   20.936973]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.937167]  kthread+0x328/0x630
[   20.937403]  ret_from_fork+0x10/0x20
[   20.937811] 
[   20.937955] CPU: 1 UID: 0 PID: 293 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7 #1 PREEMPT 
[   20.938165] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.938315] Hardware name: linux,dummy-virt (DT)
[   20.938397] ==================================================================
[   20.830094] ==================================================================
[   20.830192] BUG: KFENCE: out-of-bounds write in test_out_of_bounds_write+0x100/0x240
[   20.830192] 
[   20.830289] Out-of-bounds write at 0x000000001e116e64 (1B left of kfence-#86):
[   20.830376]  test_out_of_bounds_write+0x100/0x240
[   20.830424]  kunit_try_run_case+0x170/0x3f0
[   20.830490]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.830536]  kthread+0x328/0x630
[   20.830575]  ret_from_fork+0x10/0x20
[   20.830633] 
[   20.830759] kfence-#86: 0x000000008039d51e-0x00000000adcd27a3, size=32, cache=kmalloc-32
[   20.830759] 
[   20.830820] allocated by task 291 on cpu 1 at 20.829796s (0.001013s ago):
[   20.831066]  test_alloc+0x29c/0x628
[   20.831106]  test_out_of_bounds_write+0xc8/0x240
[   20.831148]  kunit_try_run_case+0x170/0x3f0
[   20.831187]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.831236]  kthread+0x328/0x630
[   20.831404]  ret_from_fork+0x10/0x20
[   20.831629] 
[   20.831678] CPU: 1 UID: 0 PID: 291 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7 #1 PREEMPT 
[   20.831758] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.831786] Hardware name: linux,dummy-virt (DT)
[   20.831820] ==================================================================
Metadata Full log Test run details 

[   18.091383] ==================================================================
[   18.091839] BUG: KFENCE: out-of-bounds write in test_out_of_bounds_write+0x10d/0x260
[   18.091839] 
[   18.092308] Out-of-bounds write at 0x(____ptrval____) (1B left of kfence-#72):
[   18.092740]  test_out_of_bounds_write+0x10d/0x260
[   18.092929]  kunit_try_run_case+0x1a5/0x480
[   18.093102]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.093361]  kthread+0x337/0x6f0
[   18.093547]  ret_from_fork+0x116/0x1d0
[   18.093773]  ret_from_fork_asm+0x1a/0x30
[   18.093949] 
[   18.094050] kfence-#72: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test
[   18.094050] 
[   18.094449] allocated by task 311 on cpu 1 at 18.091321s (0.003126s ago):
[   18.094772]  test_alloc+0x2a6/0x10f0
[   18.094944]  test_out_of_bounds_write+0xd4/0x260
[   18.095138]  kunit_try_run_case+0x1a5/0x480
[   18.095348]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.095614]  kthread+0x337/0x6f0
[   18.095742]  ret_from_fork+0x116/0x1d0
[   18.095877]  ret_from_fork_asm+0x1a/0x30
[   18.096021] 
[   18.096135] CPU: 1 UID: 0 PID: 311 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7 #1 PREEMPT(voluntary) 
[   18.096632] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.096966] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   18.097352] ==================================================================
[   17.779465] ==================================================================
[   17.779934] BUG: KFENCE: out-of-bounds write in test_out_of_bounds_write+0x10d/0x260
[   17.779934] 
[   17.780504] Out-of-bounds write at 0x(____ptrval____) (1B left of kfence-#69):
[   17.780811]  test_out_of_bounds_write+0x10d/0x260
[   17.781059]  kunit_try_run_case+0x1a5/0x480
[   17.781276]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   17.782029]  kthread+0x337/0x6f0
[   17.782181]  ret_from_fork+0x116/0x1d0
[   17.782323]  ret_from_fork_asm+0x1a/0x30
[   17.782483] 
[   17.782565] kfence-#69: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32
[   17.782565] 
[   17.782879] allocated by task 309 on cpu 0 at 17.779341s (0.003536s ago):
[   17.783111]  test_alloc+0x364/0x10f0
[   17.783245]  test_out_of_bounds_write+0xd4/0x260
[   17.783414]  kunit_try_run_case+0x1a5/0x480
[   17.783566]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   17.784263]  kthread+0x337/0x6f0
[   17.784619]  ret_from_fork+0x116/0x1d0
[   17.784795]  ret_from_fork_asm+0x1a/0x30
[   17.785034] 
[   17.785170] CPU: 0 UID: 0 PID: 309 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7 #1 PREEMPT(voluntary) 
[   17.785658] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.785812] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   17.786225] ==================================================================
Metadata Full log Test run details 

[   17.785271] ==================================================================
[   17.785683] BUG: KFENCE: out-of-bounds write in test_out_of_bounds_write+0x10d/0x260
[   17.785683] 
[   17.786061] Out-of-bounds write at 0x(____ptrval____) (1B left of kfence-#69):
[   17.786449]  test_out_of_bounds_write+0x10d/0x260
[   17.786685]  kunit_try_run_case+0x1a5/0x480
[   17.786842]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   17.787092]  kthread+0x337/0x6f0
[   17.787285]  ret_from_fork+0x116/0x1d0
[   17.787472]  ret_from_fork_asm+0x1a/0x30
[   17.787673] 
[   17.787757] kfence-#69: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=kmalloc-32
[   17.787757] 
[   17.788056] allocated by task 309 on cpu 1 at 17.785135s (0.002918s ago):
[   17.788398]  test_alloc+0x364/0x10f0
[   17.788594]  test_out_of_bounds_write+0xd4/0x260
[   17.788827]  kunit_try_run_case+0x1a5/0x480
[   17.788988]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   17.789200]  kthread+0x337/0x6f0
[   17.789419]  ret_from_fork+0x116/0x1d0
[   17.789609]  ret_from_fork_asm+0x1a/0x30
[   17.789811] 
[   17.789929] CPU: 1 UID: 0 PID: 309 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7 #1 PREEMPT(voluntary) 
[   17.790394] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.790583] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   17.790930] ==================================================================
[   17.889222] ==================================================================
[   17.889616] BUG: KFENCE: out-of-bounds write in test_out_of_bounds_write+0x10d/0x260
[   17.889616] 
[   17.890013] Out-of-bounds write at 0x(____ptrval____) (1B left of kfence-#70):
[   17.890417]  test_out_of_bounds_write+0x10d/0x260
[   17.890644]  kunit_try_run_case+0x1a5/0x480
[   17.890856]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   17.891051]  kthread+0x337/0x6f0
[   17.891240]  ret_from_fork+0x116/0x1d0
[   17.891449]  ret_from_fork_asm+0x1a/0x30
[   17.891685] 
[   17.891766] kfence-#70: 0x(____ptrval____)-0x(____ptrval____), size=32, cache=test
[   17.891766] 
[   17.892213] allocated by task 311 on cpu 1 at 17.889166s (0.003045s ago):
[   17.892582]  test_alloc+0x2a6/0x10f0
[   17.892752]  test_out_of_bounds_write+0xd4/0x260
[   17.892908]  kunit_try_run_case+0x1a5/0x480
[   17.893054]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   17.893348]  kthread+0x337/0x6f0
[   17.893527]  ret_from_fork+0x116/0x1d0
[   17.893753]  ret_from_fork_asm+0x1a/0x30
[   17.893973] 
[   17.894107] CPU: 1 UID: 0 PID: 311 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7 #1 PREEMPT(voluntary) 
[   17.894556] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.894709] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   17.895128] ==================================================================
Metadata Full log Test run details