Hay
Date
Dec. 6, 2024, 3:11 p.m.

Environment
qemu-arm64
qemu-x86_64

[   33.948789] ==================================================================
[   33.950884] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x230/0x268
[   33.951582] Read of size 1 at addr ffff800080c27cba by task kunit_try_catch/238
[   33.953255] 
[   33.953724] CPU: 1 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc1-next-20241206 #1
[   33.955265] Tainted: [B]=BAD_PAGE, [N]=TEST
[   33.955958] Hardware name: linux,dummy-virt (DT)
[   33.956642] Call trace:
[   33.957063]  show_stack+0x20/0x38 (C)
[   33.957695]  dump_stack_lvl+0x8c/0xd0
[   33.958431]  print_report+0x2fc/0x5e0
[   33.959447]  kasan_report+0xc8/0x118
[   33.960127]  __asan_report_load1_noabort+0x20/0x30
[   33.960998]  kasan_stack_oob+0x230/0x268
[   33.961610]  kunit_try_run_case+0x14c/0x3d0
[   33.962369]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   33.963120]  kthread+0x24c/0x2d0
[   33.964128]  ret_from_fork+0x10/0x20
[   33.964707] 
[   33.965331] The buggy address belongs to stack of task kunit_try_catch/238
[   33.966349]  and is located at offset 138 in frame:
[   33.967255]  kasan_stack_oob+0x0/0x268
[   33.968051] 
[   33.968472] This frame has 4 objects:
[   33.969184]  [48, 49) '__assertion'
[   33.969376]  [64, 72) 'array'
[   33.969914]  [96, 112) '__assertion'
[   33.970423]  [128, 138) 'stack_array'
[   33.971237] 
[   33.971970] The buggy address belongs to the virtual mapping at
[   33.971970]  [ffff800080c20000, ffff800080c29000) created by:
[   33.971970]  kernel_clone+0x140/0x788
[   33.973723] 
[   33.974098] The buggy address belongs to the physical page:
[   33.975208] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106b61
[   33.976163] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   33.977034] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   33.977921] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   33.979187] page dumped because: kasan: bad access detected
[   33.979860] 
[   33.980222] Memory state around the buggy address:
[   33.980763]  ffff800080c27b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   33.981684]  ffff800080c27c00: 00 00 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2
[   33.982906] >ffff800080c27c80: f2 f2 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00
[   33.983640]                                         ^
[   33.984351]  ffff800080c27d00: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00
[   33.985119]  ffff800080c27d80: f2 f2 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00
[   33.985976] ==================================================================

[   26.826460] ==================================================================
[   26.827685] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2ae/0x300
[   26.828447] Read of size 1 at addr ffff888102b8fd72 by task kunit_try_catch/257
[   26.829033] 
[   26.829235] CPU: 0 UID: 0 PID: 257 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc1-next-20241206 #1
[   26.831021] Tainted: [B]=BAD_PAGE, [N]=TEST
[   26.831895] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   26.832712] Call Trace:
[   26.833042]  <TASK>
[   26.833326]  dump_stack_lvl+0x73/0xb0
[   26.833726]  print_report+0xd1/0x640
[   26.834893]  ? __virt_addr_valid+0x1db/0x2d0
[   26.835990]  ? kasan_addr_to_slab+0x11/0xa0
[   26.836479]  kasan_report+0x102/0x140
[   26.837155]  ? kasan_stack_oob+0x2ae/0x300
[   26.837962]  ? kasan_stack_oob+0x2ae/0x300
[   26.838479]  __asan_report_load1_noabort+0x18/0x20
[   26.839390]  kasan_stack_oob+0x2ae/0x300
[   26.839605]  ? __pfx_kasan_stack_oob+0x10/0x10
[   26.839824]  ? finish_task_switch.isra.0+0x153/0x700
[   26.840161]  ? __switch_to+0x5d9/0xf60
[   26.841145]  ? __schedule+0xc70/0x27e0
[   26.841542]  ? __pfx_read_tsc+0x10/0x10
[   26.843104]  ? ktime_get_ts64+0x86/0x230
[   26.843550]  kunit_try_run_case+0x1b3/0x490
[   26.844242]  ? __pfx_kunit_try_run_case+0x10/0x10
[   26.844896]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   26.845588]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   26.846292]  ? __kthread_parkme+0x82/0x160
[   26.846971]  ? preempt_count_sub+0x50/0x80
[   26.847756]  ? __pfx_kunit_try_run_case+0x10/0x10
[   26.848685]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   26.849346]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   26.849701]  kthread+0x257/0x310
[   26.850166]  ? __pfx_kthread+0x10/0x10
[   26.850594]  ret_from_fork+0x41/0x80
[   26.850898]  ? __pfx_kthread+0x10/0x10
[   26.851415]  ret_from_fork_asm+0x1a/0x30
[   26.852838]  </TASK>
[   26.853151] 
[   26.853411] The buggy address belongs to stack of task kunit_try_catch/257
[   26.854763]  and is located at offset 138 in frame:
[   26.855258]  kasan_stack_oob+0x0/0x300
[   26.855983] 
[   26.856722] This frame has 4 objects:
[   26.857274]  [48, 49) '__assertion'
[   26.857352]  [64, 72) 'array'
[   26.857628]  [96, 112) '__assertion'
[   26.858057]  [128, 138) 'stack_array'
[   26.859054] 
[   26.859599] The buggy address belongs to the physical page:
[   26.860770] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b8f
[   26.861746] flags: 0x200000000000000(node=0|zone=2)
[   26.862352] raw: 0200000000000000 ffffea00040ae3c8 ffffea00040ae3c8 0000000000000000
[   26.863016] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[   26.864080] page dumped because: kasan: bad access detected
[   26.864792] 
[   26.864970] Memory state around the buggy address:
[   26.866022]  ffff888102b8fc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   26.866879]  ffff888102b8fc80: 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1
[   26.867627] >ffff888102b8fd00: f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 02 f3
[   26.868221]                                                              ^
[   26.869415]  ffff888102b8fd80: f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1
[   26.870199]  ffff888102b8fe00: f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 00 00
[   26.871108] ==================================================================