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Date
July 4, 2025, 3:11 p.m.

Environment
e850-96
qemu-x86_64
x86 

[   18.670968] ==================================================================
[   18.693704] BUG: KFENCE: memory corruption in kmalloc_track_caller_oob_right+0x224/0x488
[   18.693704] 
[   18.703250] Corrupted memory at 0x(____ptrval____) [ ! . . . . . . . . . . . . . . . ] (in kfence-#37):
[   18.712627]  kmalloc_track_caller_oob_right+0x224/0x488
[   18.717833]  kunit_try_run_case+0x170/0x3f0
[   18.722000]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.727469]  kthread+0x328/0x630
[   18.730681]  ret_from_fork+0x10/0x20
[   18.734239] 
[   18.735719] kfence-#37: 0x(____ptrval____)-0x(____ptrval____), size=120, cache=kmalloc-128
[   18.735719] 
[   18.745440] allocated by task 191 on cpu 2 at 18.670620s (0.074817s ago):
[   18.752225]  kmalloc_track_caller_oob_right+0x184/0x488
[   18.757416]  kunit_try_run_case+0x170/0x3f0
[   18.761583]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.767052]  kthread+0x328/0x630
[   18.770263]  ret_from_fork+0x10/0x20
[   18.773822] 
[   18.775301] freed by task 191 on cpu 2 at 18.670936s (0.104361s ago):
[   18.781733]  kmalloc_track_caller_oob_right+0x224/0x488
[   18.786929]  kunit_try_run_case+0x170/0x3f0
[   18.791096]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.796565]  kthread+0x328/0x630
[   18.799777]  ret_from_fork+0x10/0x20
[   18.803337] 
[   18.804821] CPU: 2 UID: 0 PID: 191 Comm: kunit_try_catch Tainted: G    B            N  6.15.5-rc2 #1 PREEMPT 
[   18.814717] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.818875] Hardware name: WinLink E850-96 board (DT)
[   18.823911] ==================================================================
Metadata Full log Test run details 

[   13.391703] ==================================================================
[   13.393465] BUG: KFENCE: memory corruption in kmalloc_track_caller_oob_right+0x288/0x520
[   13.393465] 
[   13.393929] Corrupted memory at 0x(____ptrval____) [ ! . . . . . . . . . . . . . . . ] (in kfence-#53):
[   13.395721]  kmalloc_track_caller_oob_right+0x288/0x520
[   13.396021]  kunit_try_run_case+0x1a5/0x480
[   13.396511]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.397068]  kthread+0x337/0x6f0
[   13.397405]  ret_from_fork+0x41/0x80
[   13.398124]  ret_from_fork_asm+0x1a/0x30
[   13.398414] 
[   13.398827] kfence-#53: 0x(____ptrval____)-0x(____ptrval____), size=120, cache=kmalloc-128
[   13.398827] 
[   13.399560] allocated by task 163 on cpu 1 at 13.388747s (0.010725s ago):
[   13.400078]  kmalloc_track_caller_oob_right+0x19a/0x520
[   13.400989]  kunit_try_run_case+0x1a5/0x480
[   13.401603]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.402118]  kthread+0x337/0x6f0
[   13.402623]  ret_from_fork+0x41/0x80
[   13.402962]  ret_from_fork_asm+0x1a/0x30
[   13.403623] 
[   13.403984] freed by task 163 on cpu 1 at 13.391032s (0.012805s ago):
[   13.404708]  kmalloc_track_caller_oob_right+0x288/0x520
[   13.405070]  kunit_try_run_case+0x1a5/0x480
[   13.405648]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.406406]  kthread+0x337/0x6f0
[   13.406715]  ret_from_fork+0x41/0x80
[   13.406877]  ret_from_fork_asm+0x1a/0x30
[   13.407634] 
[   13.407924] CPU: 1 UID: 0 PID: 163 Comm: kunit_try_catch Tainted: G    B            N  6.15.5-rc2 #1 PREEMPT(voluntary) 
[   13.408667] Tainted: [B]=BAD_PAGE, [N]=TEST
[   13.408961] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   13.409737] ==================================================================
Metadata Full log Test run details 

[   20.050708] ==================================================================
[   20.074186] BUG: KFENCE: memory corruption in kmalloc_track_caller_oob_right+0x288/0x520
[   20.074186] 
[   20.083755] Corrupted memory at 0x00000000963ab715 [ ! . . . . . . . . . . . . . . . ] (in kfence-#67):
[   20.093182]  kmalloc_track_caller_oob_right+0x288/0x520
[   20.098410]  kunit_try_run_case+0x1a2/0x480
[   20.102603]  kunit_generic_run_threadfn_adapter+0x82/0xf0
[   20.108004]  kthread+0x334/0x6f0
[   20.111236]  ret_from_fork+0x3e/0x80
[   20.114814]  ret_from_fork_asm+0x1a/0x30
[   20.118742] 
[   20.120240] kfence-#67: 0x000000005ac0b4d5-0x000000001558ad24, size=120, cache=kmalloc-128
[   20.120240] 
[   20.129983] allocated by task 185 on cpu 1 at 20.050649s (0.079333s ago):
[   20.136777]  kmalloc_track_caller_oob_right+0x19a/0x520
[   20.142010]  kunit_try_run_case+0x1a2/0x480
[   20.146195]  kunit_generic_run_threadfn_adapter+0x82/0xf0
[   20.151595]  kthread+0x334/0x6f0
[   20.154830]  ret_from_fork+0x3e/0x80
[   20.158410]  ret_from_fork_asm+0x1a/0x30
[   20.162334] 
[   20.163834] freed by task 185 on cpu 1 at 20.050703s (0.113131s ago):
[   20.170283]  kmalloc_track_caller_oob_right+0x288/0x520
[   20.175515]  kunit_try_run_case+0x1a2/0x480
[   20.179704]  kunit_generic_run_threadfn_adapter+0x82/0xf0
[   20.185111]  kthread+0x334/0x6f0
[   20.188341]  ret_from_fork+0x3e/0x80
[   20.191929]  ret_from_fork_asm+0x1a/0x30
[   20.195882] 
[   20.197385] CPU: 1 UID: 0 PID: 185 Comm: kunit_try_catch Tainted: G    B            N  6.15.5-rc2 #1 PREEMPT(voluntary) 
[   20.208261] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.212454] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.7 12/07/2021
[   20.219848] ==================================================================
Metadata Full log Test run details