[   24.725342] ==================================================================
[   24.726446] BUG: KASAN: alloca-out-of-bounds in kasan_alloca_oob_right+0x326/0x390
[   24.726784] Read of size 1 at addr ffff8881038d7c4a by task kunit_try_catch/274
[   24.727668] 
[   24.728021] CPU: 0 UID: 0 PID: 274 Comm: kunit_try_catch Tainted: G    B            N  6.14.0-rc7-next-20250319 #1 PREEMPT(voluntary) 
[   24.728173] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.728214] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   24.728266] Call Trace:
[   24.728426]  <TASK>
[   24.728471]  dump_stack_lvl+0x73/0xb0
[   24.728548]  print_report+0xd1/0x660
[   24.728586]  ? __virt_addr_valid+0x1db/0x2d0
[   24.728651]  ? kasan_addr_to_slab+0x11/0xa0
[   24.728686]  kasan_report+0x104/0x140
[   24.728776]  ? kasan_alloca_oob_right+0x326/0x390
[   24.728853]  ? kasan_alloca_oob_right+0x326/0x390
[   24.729255]  __asan_report_load1_noabort+0x18/0x20
[   24.729353]  kasan_alloca_oob_right+0x326/0x390
[   24.729437]  ? finish_task_switch.isra.0+0x153/0x730
[   24.729485]  ? pci_mmcfg_reserved+0xf0/0x440
[   24.729519]  ? trace_hardirqs_on+0x37/0xe0
[   24.729557]  ? __pfx_kasan_alloca_oob_right+0x10/0x10
[   24.729597]  ? __schedule+0xd46/0x29c0
[   24.729628]  ? __pfx_read_tsc+0x10/0x10
[   24.729658]  ? ktime_get_ts64+0x86/0x240
[   24.729695]  kunit_try_run_case+0x1b2/0x490
[   24.729771]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.729806]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   24.729838]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   24.729871]  ? __kthread_parkme+0x82/0x160
[   24.729902]  ? preempt_count_sub+0x50/0x80
[   24.729938]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.729972]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.730006]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   24.730041]  kthread+0x323/0x710
[   24.730071]  ? trace_preempt_on+0x20/0xc0
[   24.730104]  ? __pfx_kthread+0x10/0x10
[   24.730166]  ? _raw_spin_unlock_irq+0x47/0x80
[   24.730196]  ? calculate_sigpending+0x7b/0xa0
[   24.730227]  ? __pfx_kthread+0x10/0x10
[   24.730260]  ret_from_fork+0x41/0x80
[   24.730292]  ? __pfx_kthread+0x10/0x10
[   24.730322]  ret_from_fork_asm+0x1a/0x30
[   24.730369]  </TASK>
[   24.730385] 
[   24.743790] The buggy address belongs to stack of task kunit_try_catch/274
[   24.744419] 
[   24.744582] The buggy address belongs to the physical page:
[   24.745314] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1038d7
[   24.745879] flags: 0x200000000000000(node=0|zone=2)
[   24.746456] raw: 0200000000000000 ffffea00040e35c8 ffffea00040e35c8 0000000000000000
[   24.746999] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[   24.747628] page dumped because: kasan: bad access detected
[   24.748377] 
[   24.748604] Memory state around the buggy address:
[   24.749090]  ffff8881038d7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   24.749487]  ffff8881038d7b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   24.749863] >ffff8881038d7c00: 00 00 00 00 ca ca ca ca 00 02 cb cb cb cb cb cb
[   24.750417]                                               ^
[   24.750983]  ffff8881038d7c80: 00 00 00 f1 f1 f1 f1 01 f2 04 f2 00 f2 f2 f2 00
[   24.751666]  ffff8881038d7d00: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 f1
[   24.752342] ==================================================================