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Date
July 14, 2025, 10:38 a.m.

Environment
e850-96
qemu-arm64
qemu-x86_64 

[   54.819916] ==================================================================
[   54.830896] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x230/0x270
[   54.838444] Read of size 1 at addr ffff800087b4e6cd by task kunit_try_catch/329
[   54.845735] 
[   54.847222] CPU: 6 UID: 0 PID: 329 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250714 #1 PREEMPT 
[   54.847275] Tainted: [B]=BAD_PAGE, [N]=TEST
[   54.847292] Hardware name: WinLink E850-96 board (DT)
[   54.847315] Call trace:
[   54.847327]  show_stack+0x20/0x38 (C)
[   54.847362]  dump_stack_lvl+0x8c/0xd0
[   54.847397]  print_report+0x310/0x5d0
[   54.847429]  kasan_report+0xdc/0x128
[   54.847456]  __asan_report_load1_noabort+0x20/0x30
[   54.847490]  kasan_global_oob_right+0x230/0x270
[   54.847523]  kunit_try_run_case+0x170/0x3f0
[   54.847564]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   54.847597]  kthread+0x328/0x630
[   54.847625]  ret_from_fork+0x10/0x20
[   54.847661] 
[   54.911620] The buggy address belongs to the variable:
[   54.916741]  global_array+0xd/0x40
[   54.920126] 
[   54.921601] The buggy address ffff800087b4e6cd belongs to a vmalloc virtual mapping
[   54.929245] The buggy address belongs to the physical page:
[   54.934801] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x87b4e
[   54.942699] flags: 0x3fffe0000002000(reserved|node=0|zone=0|lastcpupid=0x1ffff)
[   54.950001] raw: 03fffe0000002000 fffffdffc01ed388 fffffdffc01ed388 0000000000000000
[   54.957720] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   54.965438] page dumped because: kasan: bad access detected
[   54.970994] 
[   54.972469] Memory state around the buggy address:
[   54.977250]  ffff800087b4e580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   54.984454]  ffff800087b4e600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   54.991657] >ffff800087b4e680: 02 f9 f9 f9 f9 f9 f9 f9 00 02 f9 f9 f9 f9 f9 f9
[   54.998858]                                               ^
[   55.004417]  ffff800087b4e700: 04 f9 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9
[   55.011622]  ffff800087b4e780: 01 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00
[   55.018823] ==================================================================
Metadata Full log Test run details 

[   31.867781] ==================================================================
[   31.868105] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x230/0x270
[   31.868451] Read of size 1 at addr ffffb0785134e6cd by task kunit_try_catch/276
[   31.868637] 
[   31.868787] CPU: 0 UID: 0 PID: 276 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250714 #1 PREEMPT 
[   31.868892] Tainted: [B]=BAD_PAGE, [N]=TEST
[   31.869156] Hardware name: linux,dummy-virt (DT)
[   31.869275] Call trace:
[   31.869567]  show_stack+0x20/0x38 (C)
[   31.869679]  dump_stack_lvl+0x8c/0xd0
[   31.869844]  print_report+0x310/0x5d0
[   31.869944]  kasan_report+0xdc/0x128
[   31.870031]  __asan_report_load1_noabort+0x20/0x30
[   31.870096]  kasan_global_oob_right+0x230/0x270
[   31.870159]  kunit_try_run_case+0x170/0x3f0
[   31.870216]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   31.870279]  kthread+0x328/0x630
[   31.870332]  ret_from_fork+0x10/0x20
[   31.870405] 
[   31.870483] The buggy address belongs to the variable:
[   31.870540]  global_array+0xd/0x40
[   31.870615] 
[   31.870673] The buggy address ffffb0785134e6cd belongs to a vmalloc virtual mapping
[   31.870781] The buggy address belongs to the physical page:
[   31.870826] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47d4e
[   31.870885] flags: 0x3fffe0000002000(reserved|node=0|zone=0|lastcpupid=0x1ffff)
[   31.870957] raw: 03fffe0000002000 ffffc1ffc01f5388 ffffc1ffc01f5388 0000000000000000
[   31.871010] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   31.871319] page dumped because: kasan: bad access detected
[   31.871641] 
[   31.871857] Memory state around the buggy address:
[   31.871936]  ffffb0785134e580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   31.872292]  ffffb0785134e600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   31.872601] >ffffb0785134e680: 02 f9 f9 f9 f9 f9 f9 f9 00 02 f9 f9 f9 f9 f9 f9
[   31.872755]                                               ^
[   31.872847]  ffffb0785134e700: 04 f9 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9
[   31.873154]  ffffb0785134e780: 01 f9 f9 f9 f9 f9 f9 f9 00 00 00 00 00 00 00 00
[   31.873283] ==================================================================
Metadata Full log Test run details 

[   26.131822] ==================================================================
[   26.132305] BUG: KASAN: global-out-of-bounds in kasan_global_oob_right+0x286/0x2d0
[   26.132561] Read of size 1 at addr ffffffff970bdf4d by task kunit_try_catch/294
[   26.132796] 
[   26.132908] CPU: 1 UID: 0 PID: 294 Comm: kunit_try_catch Tainted: G    B   W        N  6.16.0-rc6-next-20250714 #1 PREEMPT(voluntary) 
[   26.133036] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
[   26.133051] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   26.133378] Call Trace:
[   26.133398]  <TASK>
[   26.133419]  dump_stack_lvl+0x73/0xb0
[   26.133455]  print_report+0xd1/0x610
[   26.133479]  ? __virt_addr_valid+0x1db/0x2d0
[   26.133518]  ? kasan_global_oob_right+0x286/0x2d0
[   26.133540]  ? kasan_addr_to_slab+0x11/0xa0
[   26.133561]  ? kasan_global_oob_right+0x286/0x2d0
[   26.133591]  kasan_report+0x141/0x180
[   26.133613]  ? kasan_global_oob_right+0x286/0x2d0
[   26.133639]  __asan_report_load1_noabort+0x18/0x20
[   26.133673]  kasan_global_oob_right+0x286/0x2d0
[   26.133694]  ? __pfx_kasan_global_oob_right+0x10/0x10
[   26.133718]  ? __schedule+0x10cc/0x2b60
[   26.133742]  ? __pfx_read_tsc+0x10/0x10
[   26.133764]  ? ktime_get_ts64+0x86/0x230
[   26.133791]  kunit_try_run_case+0x1a5/0x480
[   26.133815]  ? __pfx_kunit_try_run_case+0x10/0x10
[   26.133835]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   26.133858]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   26.133883]  ? __kthread_parkme+0x82/0x180
[   26.133905]  ? preempt_count_sub+0x50/0x80
[   26.133928]  ? __pfx_kunit_try_run_case+0x10/0x10
[   26.134166]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   26.134192]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   26.134219]  kthread+0x337/0x6f0
[   26.134240]  ? trace_preempt_on+0x20/0xc0
[   26.134265]  ? __pfx_kthread+0x10/0x10
[   26.134287]  ? _raw_spin_unlock_irq+0x47/0x80
[   26.134309]  ? calculate_sigpending+0x7b/0xa0
[   26.134333]  ? __pfx_kthread+0x10/0x10
[   26.134355]  ret_from_fork+0x116/0x1d0
[   26.134374]  ? __pfx_kthread+0x10/0x10
[   26.134395]  ret_from_fork_asm+0x1a/0x30
[   26.134426]  </TASK>
[   26.134437] 
[   26.145921] The buggy address belongs to the variable:
[   26.146348]  global_array+0xd/0x40
[   26.146540] 
[   26.146666] The buggy address belongs to the physical page:
[   26.147232] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1622bd
[   26.147780] flags: 0x200000000002000(reserved|node=0|zone=2)
[   26.148348] raw: 0200000000002000 ffffea000588af48 ffffea000588af48 0000000000000000
[   26.148808] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   26.149400] page dumped because: kasan: bad access detected
[   26.149768] 
[   26.149869] Memory state around the buggy address:
[   26.150308]  ffffffff970bde00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   26.150947]  ffffffff970bde80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   26.151457] >ffffffff970bdf00: 00 00 00 00 00 00 00 00 00 02 f9 f9 f9 f9 f9 f9
[   26.151895]                                               ^
[   26.152299]  ffffffff970bdf80: 00 f9 f9 f9 f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9
[   26.152620]  ffffffff970be000: 02 f9 f9 f9 f9 f9 f9 f9 01 f9 f9 f9 f9 f9 f9 f9
[   26.153208] ==================================================================
Metadata Full log Test run details