Hay
Date
Dec. 5, 2024, 2:07 p.m.

Environment
qemu-arm64
qemu-x86_64

[   32.892427] ==================================================================
[   32.893930] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x230/0x268
[   32.894870] Read of size 1 at addr ffff800080be7cba by task kunit_try_catch/238
[   32.896469] 
[   32.896774] CPU: 1 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc1-next-20241205 #1
[   32.898118] Tainted: [B]=BAD_PAGE, [N]=TEST
[   32.898415] Hardware name: linux,dummy-virt (DT)
[   32.898709] Call trace:
[   32.898959]  show_stack+0x20/0x38 (C)
[   32.899511]  dump_stack_lvl+0x8c/0xd0
[   32.900309]  print_report+0x2fc/0x5e0
[   32.901676]  kasan_report+0xc8/0x118
[   32.902288]  __asan_report_load1_noabort+0x20/0x30
[   32.903029]  kasan_stack_oob+0x230/0x268
[   32.903705]  kunit_try_run_case+0x14c/0x3d0
[   32.904569]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   32.905137]  kthread+0x24c/0x2d0
[   32.906161]  ret_from_fork+0x10/0x20
[   32.906842] 
[   32.908151] The buggy address belongs to stack of task kunit_try_catch/238
[   32.909299]  and is located at offset 138 in frame:
[   32.909973]  kasan_stack_oob+0x0/0x268
[   32.910709] 
[   32.911137] This frame has 4 objects:
[   32.911791]  [48, 49) '__assertion'
[   32.911962]  [64, 72) 'array'
[   32.912929]  [96, 112) '__assertion'
[   32.913363]  [128, 138) 'stack_array'
[   32.913996] 
[   32.914698] The buggy address belongs to the virtual mapping at
[   32.914698]  [ffff800080be0000, ffff800080be9000) created by:
[   32.914698]  kernel_clone+0x140/0x788
[   32.916751] 
[   32.917053] The buggy address belongs to the physical page:
[   32.918056] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10657e
[   32.919183] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   32.919947] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000
[   32.921063] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   32.922083] page dumped because: kasan: bad access detected
[   32.922768] 
[   32.923138] Memory state around the buggy address:
[   32.924097]  ffff800080be7b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   32.924741]  ffff800080be7c00: 00 00 00 00 00 00 f1 f1 f1 f1 f1 f1 01 f2 00 f2
[   32.925410] >ffff800080be7c80: f2 f2 00 00 f2 f2 00 02 f3 f3 00 00 00 00 00 00
[   32.926396]                                         ^
[   32.927227]  ffff800080be7d00: 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00 00
[   32.928301]  ffff800080be7d80: f2 f2 00 00 f2 f2 00 00 f3 f3 00 00 00 00 00 00
[   32.929388] ==================================================================

[   30.707293] ==================================================================
[   30.708476] BUG: KASAN: stack-out-of-bounds in kasan_stack_oob+0x2ae/0x300
[   30.709078] Read of size 1 at addr ffff888102d57d72 by task kunit_try_catch/256
[   30.710454] 
[   30.710741] CPU: 1 UID: 0 PID: 256 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc1-next-20241205 #1
[   30.712474] Tainted: [B]=BAD_PAGE, [N]=TEST
[   30.712666] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   30.713349] Call Trace:
[   30.713669]  <TASK>
[   30.713889]  dump_stack_lvl+0x73/0xb0
[   30.714349]  print_report+0xd1/0x640
[   30.715284]  ? __virt_addr_valid+0x1db/0x2d0
[   30.715863]  ? kasan_addr_to_slab+0x11/0xa0
[   30.716450]  kasan_report+0x102/0x140
[   30.716938]  ? kasan_stack_oob+0x2ae/0x300
[   30.717559]  ? kasan_stack_oob+0x2ae/0x300
[   30.718123]  __asan_report_load1_noabort+0x18/0x20
[   30.718540]  kasan_stack_oob+0x2ae/0x300
[   30.719390]  ? __pfx_kasan_stack_oob+0x10/0x10
[   30.719838]  ? sysvec_apic_timer_interrupt+0x50/0x90
[   30.720406]  ? __pfx_kasan_stack_oob+0x10/0x10
[   30.721103]  kunit_try_run_case+0x1b3/0x490
[   30.721648]  ? __pfx_kunit_try_run_case+0x10/0x10
[   30.722407]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   30.723284]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   30.723716]  ? __kthread_parkme+0x82/0x160
[   30.724349]  ? preempt_count_sub+0x50/0x80
[   30.724725]  ? __pfx_kunit_try_run_case+0x10/0x10
[   30.725364]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   30.725864]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   30.726345]  kthread+0x257/0x310
[   30.726713]  ? __pfx_kthread+0x10/0x10
[   30.727175]  ret_from_fork+0x41/0x80
[   30.727816]  ? __pfx_kthread+0x10/0x10
[   30.728400]  ret_from_fork_asm+0x1a/0x30
[   30.728949]  </TASK>
[   30.729367] 
[   30.729656] The buggy address belongs to stack of task kunit_try_catch/256
[   30.730629]  and is located at offset 138 in frame:
[   30.731272]  kasan_stack_oob+0x0/0x300
[   30.731980] 
[   30.732234] This frame has 4 objects:
[   30.733061]  [48, 49) '__assertion'
[   30.733148]  [64, 72) 'array'
[   30.733567]  [96, 112) '__assertion'
[   30.734110]  [128, 138) 'stack_array'
[   30.734483] 
[   30.735271] The buggy address belongs to the physical page:
[   30.735623] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102d57
[   30.736720] flags: 0x200000000000000(node=0|zone=2)
[   30.737392] raw: 0200000000000000 ffffea00040b55c8 ffffea00040b55c8 0000000000000000
[   30.738202] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[   30.738784] page dumped because: kasan: bad access detected
[   30.739401] 
[   30.739659] Memory state around the buggy address:
[   30.740466]  ffff888102d57c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   30.741140]  ffff888102d57c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1
[   30.741664] >ffff888102d57d00: f1 f1 f1 01 f2 00 f2 f2 f2 00 00 f2 f2 00 02 f3
[   30.742422]                                                              ^
[   30.743196]  ffff888102d57d80: f3 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1
[   30.743930]  ffff888102d57e00: f1 00 00 f2 f2 00 00 f2 f2 00 00 f3 f3 00 00 00
[   30.744879] ==================================================================