Hay
Date
Dec. 9, 2024, 6:35 a.m.

Environment
qemu-arm64
qemu-x86_64

[   26.796593] ==================================================================
[   26.798312] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x230/0x268
[   26.800045] Read of size 1 at addr ffff800080b37cba by task kunit_try_catch/237
[   26.800764] 
[   26.801107] CPU: 1 UID: 0 PID: 237 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc2-next-20241209 #1
[   26.802261] Tainted: [B]=BAD_PAGE, [N]=TEST
[   26.802888] Hardware name: linux,dummy-virt (DT)
[   26.803541] Call trace:
[   26.803939]  show_stack+0x20/0x38 (C)
[   26.804572]  dump_stack_lvl+0x8c/0xd0
[   26.805434]  print_report+0x2fc/0x5e0
[   26.806088]  kasan_report+0xc8/0x118
[   26.806713]  __asan_report_load1_noabort+0x20/0x30
[   26.807387]  kasan_stack_oob+0x230/0x268
[   26.808071]  kunit_try_run_case+0x14c/0x3d0
[   26.808856]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   26.809602]  kthread+0x24c/0x2d0
[   26.810228]  ret_from_fork+0x10/0x20
[   26.811123] 
[   26.811456] The buggy address belongs to stack of task kunit_try_catch/237
[   26.812399]  and is located at offset 138 in frame:
[   26.813102]  kasan_stack_oob+0x0/0x268
[   26.813935] 
[   26.814252] This frame has 4 objects:
[   26.815188]  [48, 49) '__assertion'
[   26.815289]  [64, 72) 'array'
[   26.815691]  [96, 112) '__assertion'
[   26.816227]  [128, 138) 'stack_array'
[   26.816886] 
[   26.817650] The buggy address belongs to the virtual mapping at
[   26.817650]  [ffff800080b30000, ffff800080b39000) created by:
[   26.817650]  kernel_clone+0x140/0x788
[   26.820087] 
[   26.820478] The buggy address belongs to the physical page:
[   26.821187] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1012bd
[   26.822181] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   26.823494] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   26.824321] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   26.825286] page dumped because: kasan: bad access detected
[   26.826000] 
[   26.826328] Memory state around the buggy address:
[   26.827055]  ffff800080b37b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   26.828095]  ffff800080b37c00: 00 00 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2
[   26.829022] >ffff800080b37c80: f2 f2 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00
[   26.829828]                                         ^
[   26.830527]  ffff800080b37d00: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00
[   26.831545]  ffff800080b37d80: f2 f2 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00
[   26.832361] ==================================================================

[   27.133145] ==================================================================
[   27.134570] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2ae/0x300
[   27.135178] Read of size 1 at addr ffff888102bb7d72 by task kunit_try_catch/256
[   27.136886] 
[   27.137075] CPU: 0 UID: 0 PID: 256 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc2-next-20241209 #1
[   27.138481] Tainted: [B]=BAD_PAGE, [N]=TEST
[   27.139085] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   27.139758] Call Trace:
[   27.140418]  <TASK>
[   27.140735]  dump_stack_lvl+0x73/0xb0
[   27.141549]  print_report+0xd1/0x640
[   27.142540]  ? __virt_addr_valid+0x1db/0x2d0
[   27.143260]  ? kasan_addr_to_slab+0x11/0xa0
[   27.143715]  kasan_report+0x102/0x140
[   27.144525]  ? kasan_stack_oob+0x2ae/0x300
[   27.144953]  ? kasan_stack_oob+0x2ae/0x300
[   27.145391]  __asan_report_load1_noabort+0x18/0x20
[   27.145843]  kasan_stack_oob+0x2ae/0x300
[   27.146733]  ? __pfx_kasan_stack_oob+0x10/0x10
[   27.147375]  ? finish_task_switch.isra.0+0x153/0x700
[   27.148183]  ? __switch_to+0x5d9/0xf60
[   27.148600]  ? __schedule+0xc70/0x27e0
[   27.149404]  ? __pfx_read_tsc+0x10/0x10
[   27.149768]  ? ktime_get_ts64+0x86/0x230
[   27.150799]  kunit_try_run_case+0x1b3/0x490
[   27.151154]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.151648]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   27.152981]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   27.153761]  ? __kthread_parkme+0x82/0x160
[   27.154201]  ? preempt_count_sub+0x50/0x80
[   27.154678]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.155176]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   27.155989]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.156558]  kthread+0x257/0x310
[   27.157181]  ? __pfx_kthread+0x10/0x10
[   27.158066]  ret_from_fork+0x41/0x80
[   27.158419]  ? __pfx_kthread+0x10/0x10
[   27.158719]  ret_from_fork_asm+0x1a/0x30
[   27.159249]  </TASK>
[   27.159966] 
[   27.160249] The buggy address belongs to stack of task kunit_try_catch/256
[   27.160941]  and is located at offset 138 in frame:
[   27.161373]  kasan_stack_oob+0x0/0x300
[   27.162399] 
[   27.162588] This frame has 4 objects:
[   27.163082]  [48, 49) '__assertion'
[   27.163161]  [64, 72) 'array'
[   27.163489]  [96, 112) '__assertion'
[   27.164312]  [128, 138) 'stack_array'
[   27.164668] 
[   27.165352] The buggy address belongs to the physical page:
[   27.165982] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102bb7
[   27.166388] flags: 0x200000000000000(node=0|zone=2)
[   27.166954] raw: 0200000000000000 ffffea00040aedc8 ffffea00040aedc8 0000000000000000
[   27.167692] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[   27.168535] page dumped because: kasan: bad access detected
[   27.169827] 
[   27.169991] Memory state around the buggy address:
[   27.170624]  ffff888102bb7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   27.171612]  ffff888102bb7c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1
[   27.172546] >ffff888102bb7d00: f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 02 f3
[   27.173714]                                                              ^
[   27.174256]  ffff888102bb7d80: f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1
[   27.175028]  ffff888102bb7e00: f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 00 00
[   27.175336] ==================================================================