Hay
Date
Dec. 3, 2024, 11:38 p.m.

Environment
qemu-arm64
qemu-x86_64

[   33.333663] ==================================================================
[   33.335240] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x230/0x268
[   33.337309] Read of size 1 at addr ffff800080a67cba by task kunit_try_catch/238
[   33.338190] 
[   33.338638] CPU: 0 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc1-next-20241203 #1
[   33.340199] Tainted: [B]=BAD_PAGE, [N]=TEST
[   33.340799] Hardware name: linux,dummy-virt (DT)
[   33.341652] Call trace:
[   33.342289]  show_stack+0x20/0x38 (C)
[   33.343343]  dump_stack_lvl+0x8c/0xd0
[   33.343971]  print_report+0x2fc/0x5e0
[   33.344584]  kasan_report+0xc8/0x118
[   33.345142]  __asan_report_load1_noabort+0x20/0x30
[   33.345721]  kasan_stack_oob+0x230/0x268
[   33.346502]  kunit_try_run_case+0x14c/0x3d0
[   33.347158]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   33.348221]  kthread+0x24c/0x2d0
[   33.348979]  ret_from_fork+0x10/0x20
[   33.349616] 
[   33.350088] The buggy address belongs to stack of task kunit_try_catch/238
[   33.351353]  and is located at offset 138 in frame:
[   33.351990]  kasan_stack_oob+0x0/0x268
[   33.352853] 
[   33.353268] This frame has 4 objects:
[   33.353917]  [48, 49) '__assertion'
[   33.354063]  [64, 72) 'array'
[   33.354572]  [96, 112) '__assertion'
[   33.355075]  [128, 138) 'stack_array'
[   33.356789] 
[   33.357605] The buggy address belongs to the virtual mapping at
[   33.357605]  [ffff800080a60000, ffff800080a69000) created by:
[   33.357605]  kernel_clone+0x140/0x788
[   33.359354] 
[   33.359794] The buggy address belongs to the physical page:
[   33.360885] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105942
[   33.361992] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   33.362839] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   33.363992] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   33.364911] page dumped because: kasan: bad access detected
[   33.365620] 
[   33.365971] Memory state around the buggy address:
[   33.366593]  ffff800080a67b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   33.367862]  ffff800080a67c00: 00 00 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2
[   33.368923] >ffff800080a67c80: f2 f2 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00
[   33.369924]                                         ^
[   33.370596]  ffff800080a67d00: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00
[   33.371759]  ffff800080a67d80: f2 f2 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00
[   33.372745] ==================================================================

[   28.643240] ==================================================================
[   28.644464] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2ae/0x300
[   28.646547] Read of size 1 at addr ffff888102b57d72 by task kunit_try_catch/258
[   28.647366] 
[   28.647840] CPU: 1 UID: 0 PID: 258 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc1-next-20241203 #1
[   28.649070] Tainted: [B]=BAD_PAGE, [N]=TEST
[   28.649371] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   28.650649] Call Trace:
[   28.651142]  <TASK>
[   28.651420]  dump_stack_lvl+0x73/0xb0
[   28.652146]  print_report+0xd1/0x640
[   28.652465]  ? __virt_addr_valid+0x1db/0x2d0
[   28.652800]  ? kasan_addr_to_slab+0x11/0xa0
[   28.653274]  kasan_report+0x102/0x140
[   28.653988]  ? kasan_stack_oob+0x2ae/0x300
[   28.654728]  ? kasan_stack_oob+0x2ae/0x300
[   28.655366]  __asan_report_load1_noabort+0x18/0x20
[   28.655905]  kasan_stack_oob+0x2ae/0x300
[   28.656327]  ? __pfx_kasan_stack_oob+0x10/0x10
[   28.656742]  ? finish_task_switch.isra.0+0x153/0x700
[   28.657344]  ? __switch_to+0x5d9/0xf60
[   28.658210]  ? __schedule+0xc3e/0x2790
[   28.658487]  ? __pfx_read_tsc+0x10/0x10
[   28.659388]  ? ktime_get_ts64+0x86/0x230
[   28.660216]  kunit_try_run_case+0x1b3/0x490
[   28.660644]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.661124]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   28.661493]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   28.661980]  ? __kthread_parkme+0x82/0x160
[   28.662542]  ? preempt_count_sub+0x50/0x80
[   28.662822]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.663795]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   28.664361]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   28.665370]  kthread+0x257/0x310
[   28.665744]  ? __pfx_kthread+0x10/0x10
[   28.666049]  ret_from_fork+0x41/0x80
[   28.666455]  ? __pfx_kthread+0x10/0x10
[   28.667397]  ret_from_fork_asm+0x1a/0x30
[   28.667840]  </TASK>
[   28.668111] 
[   28.668455] The buggy address belongs to stack of task kunit_try_catch/258
[   28.670084]  and is located at offset 138 in frame:
[   28.670459]  kasan_stack_oob+0x0/0x300
[   28.671208] 
[   28.671411] This frame has 4 objects:
[   28.671891]  [48, 49) '__assertion'
[   28.671967]  [64, 72) 'array'
[   28.672360]  [96, 112) '__assertion'
[   28.672745]  [128, 138) 'stack_array'
[   28.673184] 
[   28.673615] The buggy address belongs to the physical page:
[   28.674304] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b57
[   28.675262] flags: 0x200000000000000(node=0|zone=2)
[   28.675751] raw: 0200000000000000 ffffea00040ad5c8 ffffea00040ad5c8 0000000000000000
[   28.676621] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[   28.677102] page dumped because: kasan: bad access detected
[   28.677689] 
[   28.678855] Memory state around the buggy address:
[   28.679371]  ffff888102b57c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   28.680131]  ffff888102b57c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1
[   28.680805] >ffff888102b57d00: f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 02 f3
[   28.681886]                                                              ^
[   28.682490]  ffff888102b57d80: f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1
[   28.683117]  ffff888102b57e00: f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 00 00
[   28.684373] ==================================================================