[   27.501384] ==================================================================
[   27.501874] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x329/0x390
[   27.502198] Read of size 1 at addr ffff8881061e7c4a by task kunit_try_catch/302
[   27.502548] 
[   27.502643] CPU: 0 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250717 #1 PREEMPT(voluntary) 
[   27.502692] Tainted: [B]=BAD_PAGE, [N]=TEST
[   27.502703] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   27.502724] Call Trace:
[   27.502737]  <TASK>
[   27.502752]  dump_stack_lvl+0x73/0xb0
[   27.502781]  print_report+0xd1/0x610
[   27.502803]  ? __virt_addr_valid+0x1db/0x2d0
[   27.502826]  ? kasan_alloca_oob_right+0x329/0x390
[   27.502847]  ? kasan_addr_to_slab+0x11/0xa0
[   27.502867]  ? kasan_alloca_oob_right+0x329/0x390
[   27.502889]  kasan_report+0x141/0x180
[   27.502910]  ? kasan_alloca_oob_right+0x329/0x390
[   27.502938]  __asan_report_load1_noabort+0x18/0x20
[   27.502961]  kasan_alloca_oob_right+0x329/0x390
[   27.502981]  ? __kasan_check_write+0x18/0x20
[   27.503004]  ? __pfx_sched_clock_cpu+0x10/0x10
[   27.503026]  ? finish_task_switch.isra.0+0x153/0x700
[   27.503046]  ? down_read+0x1ce/0x270
[   27.503069]  ? trace_hardirqs_on+0x37/0xe0
[   27.503104]  ? __pfx_kasan_alloca_oob_right+0x10/0x10
[   27.503129]  ? __schedule+0x10c6/0x2b60
[   27.503151]  ? __pfx_read_tsc+0x10/0x10
[   27.503171]  ? ktime_get_ts64+0x86/0x230
[   27.503194]  kunit_try_run_case+0x1a5/0x480
[   27.503218]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.503239]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   27.503261]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   27.503284]  ? __kthread_parkme+0x82/0x180
[   27.503364]  ? preempt_count_sub+0x50/0x80
[   27.503387]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.503411]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.503434]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   27.503456]  kthread+0x337/0x6f0
[   27.503475]  ? trace_preempt_on+0x20/0xc0
[   27.503496]  ? __pfx_kthread+0x10/0x10
[   27.503516]  ? _raw_spin_unlock_irq+0x47/0x80
[   27.503538]  ? calculate_sigpending+0x7b/0xa0
[   27.503560]  ? __pfx_kthread+0x10/0x10
[   27.503581]  ret_from_fork+0x116/0x1d0
[   27.503599]  ? __pfx_kthread+0x10/0x10
[   27.503619]  ret_from_fork_asm+0x1a/0x30
[   27.503649]  </TASK>
[   27.503660] 
[   27.514180] The buggy address belongs to stack of task kunit_try_catch/302
[   27.514512] 
[   27.515135] The buggy address belongs to the physical page:
[   27.515391] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1061e7
[   27.515720] flags: 0x200000000000000(node=0|zone=2)
[   27.515942] raw: 0200000000000000 ffffea00041879c8 ffffea00041879c8 0000000000000000
[   27.516272] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[   27.516580] page dumped because: kasan: bad access detected
[   27.516802] 
[   27.516875] Memory state around the buggy address:
[   27.517656]  ffff8881061e7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   27.517966]  ffff8881061e7b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   27.518293] >ffff8881061e7c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb
[   27.518779]                                               ^
[   27.519128]  ffff8881061e7c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00
[   27.519538]  ffff8881061e7d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1
[   27.519801] ==================================================================