[   35.426853] ==================================================================
[   35.427725] BUG: KASAN: slab-out-of-bounds in memchr+0x27/0x60
[   35.428323] Read of size 1 at addr ffff888102869398 by task kunit_try_catch/216
[   35.428682] 
[   35.428925] CPU: 0 PID: 216 Comm: kunit_try_catch Tainted: G    B            N 6.6.94-rc1 #1
[   35.429734] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   35.430292] Call Trace:
[   35.430518]  <TASK>
[   35.430902]  dump_stack_lvl+0x4e/0x90
[   35.431218]  print_report+0xd2/0x650
[   35.431685]  ? __virt_addr_valid+0x156/0x1e0
[   35.432052]  ? memchr+0x27/0x60
[   35.432342]  ? kasan_complete_mode_report_info+0x2a/0x200
[   35.433043]  ? memchr+0x27/0x60
[   35.433334]  kasan_report+0x147/0x180
[   35.433701]  ? memchr+0x27/0x60
[   35.434009]  __asan_load1+0x66/0x70
[   35.434332]  memchr+0x27/0x60
[   35.434731]  kasan_memchr+0xdd/0x1f0
[   35.435065]  ? __pfx_kasan_memchr+0x10/0x10
[   35.435507]  ? __schedule+0x715/0x11a0
[   35.435792]  ? ktime_get_ts64+0x118/0x140
[   35.436124]  kunit_try_run_case+0x120/0x290
[   35.436558]  ? __pfx_kunit_try_run_case+0x10/0x10
[   35.436920]  ? __kasan_check_write+0x18/0x20
[   35.437244]  ? trace_preempt_on+0x20/0xa0
[   35.437778]  ? __kthread_parkme+0x4f/0xd0
[   35.438062]  ? preempt_count_sub+0x50/0x80
[   35.438359]  ? __pfx_kunit_try_run_case+0x10/0x10
[   35.438648]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   35.439168]  kunit_generic_run_threadfn_adapter+0x33/0x50
[   35.439655]  kthread+0x19e/0x1e0
[   35.440056]  ? __pfx_kthread+0x10/0x10
[   35.440382]  ret_from_fork+0x41/0x70
[   35.440729]  ? __pfx_kthread+0x10/0x10
[   35.441152]  ret_from_fork_asm+0x1b/0x30
[   35.441605]  </TASK>
[   35.441825] 
[   35.441965] Allocated by task 216:
[   35.442231]  kasan_save_stack+0x44/0x70
[   35.442590]  kasan_set_track+0x29/0x40
[   35.443065]  kasan_save_alloc_info+0x22/0x30
[   35.443537]  __kasan_kmalloc+0xb7/0xc0
[   35.443856]  kmalloc_trace+0x4c/0xb0
[   35.444149]  kasan_memchr+0x9f/0x1f0
[   35.444434]  kunit_try_run_case+0x120/0x290
[   35.444853]  kunit_generic_run_threadfn_adapter+0x33/0x50
[   35.445258]  kthread+0x19e/0x1e0
[   35.445535]  ret_from_fork+0x41/0x70
[   35.446009]  ret_from_fork_asm+0x1b/0x30
[   35.446341] 
[   35.446557] The buggy address belongs to the object at ffff888102869380
[   35.446557]  which belongs to the cache kmalloc-32 of size 32
[   35.447430] The buggy address is located 0 bytes to the right of
[   35.447430]  allocated 24-byte region [ffff888102869380, ffff888102869398)
[   35.448642] 
[   35.448788] The buggy address belongs to the physical page:
[   35.449177] page:(____ptrval____) refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102869
[   35.449831] flags: 0x200000000000800(slab|node=0|zone=2)
[   35.450290] page_type: 0xffffffff()
[   35.450728] raw: 0200000000000800 ffff888100041500 dead000000000122 0000000000000000
[   35.451234] raw: 0000000000000000 0000000080400040 00000001ffffffff 0000000000000000
[   35.451882] page dumped because: kasan: bad access detected
[   35.452253] 
[   35.452393] Memory state around the buggy address:
[   35.452929]  ffff888102869280: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
[   35.453464]  ffff888102869300: 00 00 07 fc fc fc fc fc 00 00 07 fc fc fc fc fc
[   35.453916] >ffff888102869380: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc
[   35.454334]                             ^
[   35.454794]  ffff888102869400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   35.455230]  ffff888102869480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   35.455697] ==================================================================