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Date
July 13, 2025, 11:09 p.m.

Environment
qemu-arm64
qemu-x86_64 

[   18.028496] ==================================================================
[   18.028559] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x230/0x270
[   18.028607] Read of size 1 at addr ffff9fe24554f58d by task kunit_try_catch/246
[   18.028658] 
[   18.028692] CPU: 0 UID: 0 PID: 246 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   18.028773] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.028800] Hardware name: linux,dummy-virt (DT)
[   18.028830] Call trace:
[   18.028851]  show_stack+0x20/0x38 (C)
[   18.029307]  dump_stack_lvl+0x8c/0xd0
[   18.029681]  print_report+0x310/0x5d0
[   18.029871]  kasan_report+0xdc/0x128
[   18.029916]  __asan_report_load1_noabort+0x20/0x30
[   18.030467]  kasan_global_oob_right+0x230/0x270
[   18.030620]  kunit_try_run_case+0x170/0x3f0
[   18.030762]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.030879]  kthread+0x328/0x630
[   18.030953]  ret_from_fork+0x10/0x20
[   18.031085] 
[   18.031213] The buggy address belongs to the variable:
[   18.031246]  global_array+0xd/0x40
[   18.031295] 
[   18.031348] The buggy address ffff9fe24554f58d belongs to a vmalloc virtual mapping
[   18.031641] The buggy address belongs to the physical page:
[   18.031697] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47d4f
[   18.031754] flags: 0x3fffe0000002000(reserved|node=0|zone=0|lastcpupid=0x1ffff)
[   18.032048] raw: 03fffe0000002000 ffffc1ffc01f53c8 ffffc1ffc01f53c8 0000000000000000
[   18.032280] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   18.032405] page dumped because: kasan: bad access detected
[   18.032463] 
[   18.032482] Memory state around the buggy address:
[   18.032515]  ffff9fe24554f480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.032559]  ffff9fe24554f500: 00 00 00 00 00 00 00 00 02 f9 f9 f9 f9 f9 f9 f9
[   18.032603] >ffff9fe24554f580: 00 02 f9 f9 f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9
[   18.032641]                       ^
[   18.032670]  ffff9fe24554f600: 00 f9 f9 f9 f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9
[   18.032715]  ffff9fe24554f680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.032755] ==================================================================
Metadata Full log Test run details 

[   18.790381] ==================================================================
[   18.790576] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x230/0x270
[   18.790958] Read of size 1 at addr ffff94699bf4f58d by task kunit_try_catch/246
[   18.791174] 
[   18.791232] CPU: 1 UID: 0 PID: 246 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   18.791623] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.791672] Hardware name: linux,dummy-virt (DT)
[   18.791735] Call trace:
[   18.791847]  show_stack+0x20/0x38 (C)
[   18.791945]  dump_stack_lvl+0x8c/0xd0
[   18.792049]  print_report+0x310/0x5d0
[   18.792097]  kasan_report+0xdc/0x128
[   18.792143]  __asan_report_load1_noabort+0x20/0x30
[   18.792231]  kasan_global_oob_right+0x230/0x270
[   18.792279]  kunit_try_run_case+0x170/0x3f0
[   18.792349]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.792780]  kthread+0x328/0x630
[   18.792833]  ret_from_fork+0x10/0x20
[   18.792988] 
[   18.793082] The buggy address belongs to the variable:
[   18.793227]  global_array+0xd/0x40
[   18.793279] 
[   18.793370] The buggy address ffff94699bf4f58d belongs to a vmalloc virtual mapping
[   18.793619] The buggy address belongs to the physical page:
[   18.793745] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47d4f
[   18.793800] flags: 0x3fffe0000002000(reserved|node=0|zone=0|lastcpupid=0x1ffff)
[   18.793866] raw: 03fffe0000002000 ffffc1ffc01f53c8 ffffc1ffc01f53c8 0000000000000000
[   18.793916] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   18.793956] page dumped because: kasan: bad access detected
[   18.793986] 
[   18.794008] Memory state around the buggy address:
[   18.794040]  ffff94699bf4f480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.794084]  ffff94699bf4f500: 00 00 00 00 00 00 00 00 02 f9 f9 f9 f9 f9 f9 f9
[   18.794192] >ffff94699bf4f580: 00 02 f9 f9 f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9
[   18.794233]                       ^
[   18.794262]  ffff94699bf4f600: 00 f9 f9 f9 f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9
[   18.794340]  ffff94699bf4f680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.794380] ==================================================================
Metadata Full log Test run details 

[   14.418726] ==================================================================
[   14.419256] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x286/0x2d0
[   14.419648] Read of size 1 at addr ffffffffa3263e8d by task kunit_try_catch/263
[   14.419919] 
[   14.420049] CPU: 1 UID: 0 PID: 263 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   14.420097] Tainted: [B]=BAD_PAGE, [N]=TEST
[   14.420109] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   14.420131] Call Trace:
[   14.420144]  <TASK>
[   14.420160]  dump_stack_lvl+0x73/0xb0
[   14.420191]  print_report+0xd1/0x610
[   14.420214]  ? __virt_addr_valid+0x1db/0x2d0
[   14.420238]  ? kasan_global_oob_right+0x286/0x2d0
[   14.420261]  ? kasan_addr_to_slab+0x11/0xa0
[   14.420288]  ? kasan_global_oob_right+0x286/0x2d0
[   14.420311]  kasan_report+0x141/0x180
[   14.420333]  ? kasan_global_oob_right+0x286/0x2d0
[   14.420361]  __asan_report_load1_noabort+0x18/0x20
[   14.420386]  kasan_global_oob_right+0x286/0x2d0
[   14.420409]  ? __pfx_kasan_global_oob_right+0x10/0x10
[   14.420437]  ? __pfx_kasan_global_oob_right+0x10/0x10
[   14.420478]  kunit_try_run_case+0x1a5/0x480
[   14.420503]  ? __pfx_kunit_try_run_case+0x10/0x10
[   14.420527]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   14.420698]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   14.420728]  ? __kthread_parkme+0x82/0x180
[   14.420753]  ? preempt_count_sub+0x50/0x80
[   14.420777]  ? __pfx_kunit_try_run_case+0x10/0x10
[   14.420803]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   14.420830]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   14.420856]  kthread+0x337/0x6f0
[   14.420876]  ? trace_preempt_on+0x20/0xc0
[   14.420902]  ? __pfx_kthread+0x10/0x10
[   14.420923]  ? _raw_spin_unlock_irq+0x47/0x80
[   14.420945]  ? calculate_sigpending+0x7b/0xa0
[   14.420971]  ? __pfx_kthread+0x10/0x10
[   14.420993]  ret_from_fork+0x116/0x1d0
[   14.421014]  ? __pfx_kthread+0x10/0x10
[   14.421035]  ret_from_fork_asm+0x1a/0x30
[   14.421067]  </TASK>
[   14.421077] 
[   14.428561] The buggy address belongs to the variable:
[   14.428877]  global_array+0xd/0x40
[   14.429042] 
[   14.429156] The buggy address belongs to the physical page:
[   14.429368] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11463
[   14.429708] flags: 0x100000000002000(reserved|node=0|zone=1)
[   14.430041] raw: 0100000000002000 ffffea00004518c8 ffffea00004518c8 0000000000000000
[   14.430363] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   14.430664] page dumped because: kasan: bad access detected
[   14.430914] 
[   14.431006] Memory state around the buggy address:
[   14.431274]  ffffffffa3263d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   14.431799]  ffffffffa3263e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   14.432119] >ffffffffa3263e80: 00 02 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9
[   14.432336]                       ^
[   14.432499]  ffffffffa3263f00: 04 f9 f9 f9 f9 f9 f9 f9 02 f9 f9 f9 f9 f9 f9 f9
[   14.432889]  ffffffffa3263f80: 01 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00
[   14.433238] ==================================================================
Metadata Full log Test run details 

[   14.641551] ==================================================================
[   14.642111] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x286/0x2d0
[   14.642422] Read of size 1 at addr ffffffffb4463e8d by task kunit_try_catch/263
[   14.642725] 
[   14.642842] CPU: 0 UID: 0 PID: 263 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   14.642890] Tainted: [B]=BAD_PAGE, [N]=TEST
[   14.642902] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   14.642925] Call Trace:
[   14.642939]  <TASK>
[   14.642956]  dump_stack_lvl+0x73/0xb0
[   14.642987]  print_report+0xd1/0x610
[   14.643009]  ? __virt_addr_valid+0x1db/0x2d0
[   14.643034]  ? kasan_global_oob_right+0x286/0x2d0
[   14.643101]  ? kasan_addr_to_slab+0x11/0xa0
[   14.643144]  ? kasan_global_oob_right+0x286/0x2d0
[   14.643190]  kasan_report+0x141/0x180
[   14.643213]  ? kasan_global_oob_right+0x286/0x2d0
[   14.643240]  __asan_report_load1_noabort+0x18/0x20
[   14.643267]  kasan_global_oob_right+0x286/0x2d0
[   14.643290]  ? __pfx_kasan_global_oob_right+0x10/0x10
[   14.643316]  ? __schedule+0x10cc/0x2b60
[   14.643340]  ? __pfx_read_tsc+0x10/0x10
[   14.643364]  ? ktime_get_ts64+0x86/0x230
[   14.643406]  kunit_try_run_case+0x1a5/0x480
[   14.643434]  ? __pfx_kunit_try_run_case+0x10/0x10
[   14.643458]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   14.643496]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   14.643521]  ? __kthread_parkme+0x82/0x180
[   14.643543]  ? preempt_count_sub+0x50/0x80
[   14.643576]  ? __pfx_kunit_try_run_case+0x10/0x10
[   14.643601]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   14.643649]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   14.643676]  kthread+0x337/0x6f0
[   14.643708]  ? trace_preempt_on+0x20/0xc0
[   14.643742]  ? __pfx_kthread+0x10/0x10
[   14.643763]  ? _raw_spin_unlock_irq+0x47/0x80
[   14.643786]  ? calculate_sigpending+0x7b/0xa0
[   14.643812]  ? __pfx_kthread+0x10/0x10
[   14.643834]  ret_from_fork+0x116/0x1d0
[   14.643855]  ? __pfx_kthread+0x10/0x10
[   14.643876]  ret_from_fork_asm+0x1a/0x30
[   14.643909]  </TASK>
[   14.643919] 
[   14.657929] The buggy address belongs to the variable:
[   14.658333]  global_array+0xd/0x40
[   14.658998] 
[   14.659124] The buggy address belongs to the physical page:
[   14.659306] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x16b063
[   14.659555] flags: 0x200000000002000(reserved|node=0|zone=2)
[   14.660710] raw: 0200000000002000 ffffea0005ac18c8 ffffea0005ac18c8 0000000000000000
[   14.662114] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   14.662980] page dumped because: kasan: bad access detected
[   14.663983] 
[   14.664389] Memory state around the buggy address:
[   14.664580]  ffffffffb4463d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   14.664911]  ffffffffb4463e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   14.665179] >ffffffffb4463e80: 00 02 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9
[   14.665481]                       ^
[   14.665652]  ffffffffb4463f00: 04 f9 f9 f9 f9 f9 f9 f9 02 f9 f9 f9 f9 f9 f9 f9
[   14.665936]  ffffffffb4463f80: 01 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00
[   14.666296] ==================================================================
Metadata Full log Test run details