Hay
Date
Nov. 22, 2024, 6:35 a.m.

Environment
qemu-arm64
qemu-x86_64

[   36.905728] ==================================================================
[   36.907308] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x230/0x268
[   36.908413] Read of size 1 at addr ffff800080b27cba by task kunit_try_catch/238
[   36.909265] 
[   36.909839] CPU: 0 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241122 #1
[   36.912093] Tainted: [B]=BAD_PAGE, [N]=TEST
[   36.913196] Hardware name: linux,dummy-virt (DT)
[   36.913980] Call trace:
[   36.914836]  show_stack+0x20/0x38 (C)
[   36.915573]  dump_stack_lvl+0x8c/0xd0
[   36.916734]  print_report+0x2fc/0x5e0
[   36.917577]  kasan_report+0xc8/0x118
[   36.918133]  __asan_report_load1_noabort+0x20/0x30
[   36.918833]  kasan_stack_oob+0x230/0x268
[   36.919412]  kunit_try_run_case+0x14c/0x3d0
[   36.920948]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   36.921896]  kthread+0x24c/0x2d0
[   36.922725]  ret_from_fork+0x10/0x20
[   36.923352] 
[   36.923788] The buggy address belongs to stack of task kunit_try_catch/238
[   36.925139]  and is located at offset 138 in frame:
[   36.926851]  kasan_stack_oob+0x0/0x268
[   36.927660] 
[   36.928133] This frame has 4 objects:
[   36.929471]  [48, 49) '__assertion'
[   36.929629]  [64, 72) 'array'
[   36.930312]  [96, 112) '__assertion'
[   36.931124]  [128, 138) 'stack_array'
[   36.931837] 
[   36.933329] The buggy address belongs to the virtual mapping at
[   36.933329]  [ffff800080b20000, ffff800080b29000) created by:
[   36.933329]  kernel_clone+0x140/0x790
[   36.935037] 
[   36.935488] The buggy address belongs to the physical page:
[   36.936185] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106a77
[   36.938259] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   36.939151] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   36.940080] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   36.941053] page dumped because: kasan: bad access detected
[   36.942964] 
[   36.943518] Memory state around the buggy address:
[   36.944181]  ffff800080b27b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   36.945779]  ffff800080b27c00: 00 00 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2
[   36.947039] >ffff800080b27c80: f2 f2 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00
[   36.947963]                                         ^
[   36.948692]  ffff800080b27d00: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00
[   36.950351]  ffff800080b27d80: f2 f2 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00
[   36.951358] ==================================================================

[   27.848501] ==================================================================
[   27.850581] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2ae/0x300
[   27.851232] Read of size 1 at addr ffff888102ca7d72 by task kunit_try_catch/257
[   27.851851] 
[   27.852089] CPU: 1 UID: 0 PID: 257 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241122 #1
[   27.853838] Tainted: [B]=BAD_PAGE, [N]=TEST
[   27.854373] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   27.855165] Call Trace:
[   27.856388]  <TASK>
[   27.856698]  dump_stack_lvl+0x73/0xb0
[   27.857333]  print_report+0xd1/0x640
[   27.857688]  ? __virt_addr_valid+0x1db/0x2d0
[   27.858760]  ? kasan_addr_to_slab+0x11/0xa0
[   27.859403]  kasan_report+0x102/0x140
[   27.859762]  ? kasan_stack_oob+0x2ae/0x300
[   27.860643]  ? kasan_stack_oob+0x2ae/0x300
[   27.861931]  __asan_report_load1_noabort+0x18/0x20
[   27.862319]  kasan_stack_oob+0x2ae/0x300
[   27.862710]  ? __pfx_kasan_stack_oob+0x10/0x10
[   27.863063]  ? sysvec_apic_timer_interrupt+0x50/0x90
[   27.864019]  ? __pfx_kasan_stack_oob+0x10/0x10
[   27.864678]  kunit_try_run_case+0x1b3/0x490
[   27.865100]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.866051]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   27.866576]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   27.867102]  ? __kthread_parkme+0x82/0x160
[   27.868103]  ? preempt_count_sub+0x50/0x80
[   27.869291]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.869689]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   27.870612]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.871376]  kthread+0x257/0x310
[   27.872135]  ? __pfx_kthread+0x10/0x10
[   27.872568]  ret_from_fork+0x41/0x80
[   27.872929]  ? __pfx_kthread+0x10/0x10
[   27.873351]  ret_from_fork_asm+0x1a/0x30
[   27.874140]  </TASK>
[   27.874472] 
[   27.874895] The buggy address belongs to stack of task kunit_try_catch/257
[   27.875748]  and is located at offset 138 in frame:
[   27.876580]  kasan_stack_oob+0x0/0x300
[   27.877529] 
[   27.877871] This frame has 4 objects:
[   27.878728]  [48, 49) '__assertion'
[   27.878856]  [64, 72) 'array'
[   27.879449]  [96, 112) '__assertion'
[   27.880237]  [128, 138) 'stack_array'
[   27.880713] 
[   27.881850] The buggy address belongs to the physical page:
[   27.882813] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ca7
[   27.883848] flags: 0x200000000000000(node=0|zone=2)
[   27.884595] raw: 0200000000000000 ffffea00040b29c8 ffffea00040b29c8 0000000000000000
[   27.885698] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[   27.886085] page dumped because: kasan: bad access detected
[   27.886706] 
[   27.886942] Memory state around the buggy address:
[   27.887419]  ffff888102ca7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   27.888645]  ffff888102ca7c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1
[   27.889066] >ffff888102ca7d00: f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 02 f3
[   27.890147]                                                              ^
[   27.890943]  ffff888102ca7d80: f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1
[   27.891653]  ffff888102ca7e00: f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 00 00
[   27.892540] ==================================================================