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

Environment
qemu-arm64
qemu-x86_64

[   16.684329] ==================================================================
[   16.684411] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0
[   16.684476] Write of size 128 at addr fff00000c5aae100 by task kunit_try_catch/171
[   16.684584] 
[   16.684642] CPU: 1 UID: 0 PID: 171 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   16.684723] Tainted: [B]=BAD_PAGE, [N]=TEST
[   16.684749] Hardware name: linux,dummy-virt (DT)
[   16.684823] Call trace:
[   16.684851]  show_stack+0x20/0x38 (C)
[   16.684959]  dump_stack_lvl+0x8c/0xd0
[   16.685005]  print_report+0x118/0x5d0
[   16.685059]  kasan_report+0xdc/0x128
[   16.685103]  kasan_check_range+0x100/0x1a8
[   16.685149]  __asan_memset+0x34/0x78
[   16.685409]  kmalloc_oob_in_memset+0x144/0x2d0
[   16.685504]  kunit_try_run_case+0x170/0x3f0
[   16.685552]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   16.685660]  kthread+0x328/0x630
[   16.685706]  ret_from_fork+0x10/0x20
[   16.685777] 
[   16.685795] Allocated by task 171:
[   16.685822]  kasan_save_stack+0x3c/0x68
[   16.685907]  kasan_save_track+0x20/0x40
[   16.685961]  kasan_save_alloc_info+0x40/0x58
[   16.686053]  __kasan_kmalloc+0xd4/0xd8
[   16.686138]  __kmalloc_cache_noprof+0x16c/0x3c0
[   16.686189]  kmalloc_oob_in_memset+0xb0/0x2d0
[   16.686226]  kunit_try_run_case+0x170/0x3f0
[   16.686263]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   16.686306]  kthread+0x328/0x630
[   16.686338]  ret_from_fork+0x10/0x20
[   16.686372] 
[   16.686390] The buggy address belongs to the object at fff00000c5aae100
[   16.686390]  which belongs to the cache kmalloc-128 of size 128
[   16.686591] The buggy address is located 0 bytes inside of
[   16.686591]  allocated 120-byte region [fff00000c5aae100, fff00000c5aae178)
[   16.686664] 
[   16.686683] The buggy address belongs to the physical page:
[   16.686751] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105aae
[   16.686832] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   16.686917] page_type: f5(slab)
[   16.686988] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   16.687076] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   16.687133] page dumped because: kasan: bad access detected
[   16.687211] 
[   16.687280] Memory state around the buggy address:
[   16.687338]  fff00000c5aae000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   16.687413]  fff00000c5aae080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.687466] >fff00000c5aae100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   16.687573]                                                                 ^
[   16.687613]  fff00000c5aae180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.687655]  fff00000c5aae200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.687711] ==================================================================

[   12.649276] ==================================================================
[   12.650882] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320
[   12.651851] Write of size 128 at addr ffff8881026b2a00 by task kunit_try_catch/187
[   12.652636] 
[   12.653004] CPU: 0 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   12.653055] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.653067] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.653090] Call Trace:
[   12.653105]  <TASK>
[   12.653220]  dump_stack_lvl+0x73/0xb0
[   12.653262]  print_report+0xd1/0x610
[   12.653287]  ? __virt_addr_valid+0x1db/0x2d0
[   12.653312]  ? kmalloc_oob_in_memset+0x15f/0x320
[   12.653335]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.653358]  ? kmalloc_oob_in_memset+0x15f/0x320
[   12.653381]  kasan_report+0x141/0x180
[   12.653418]  ? kmalloc_oob_in_memset+0x15f/0x320
[   12.653457]  kasan_check_range+0x10c/0x1c0
[   12.653481]  __asan_memset+0x27/0x50
[   12.653501]  kmalloc_oob_in_memset+0x15f/0x320
[   12.653524]  ? __pfx_kmalloc_oob_in_memset+0x10/0x10
[   12.653548]  ? __schedule+0x10cc/0x2b60
[   12.653573]  ? __pfx_read_tsc+0x10/0x10
[   12.653596]  ? ktime_get_ts64+0x86/0x230
[   12.653623]  kunit_try_run_case+0x1a5/0x480
[   12.653649]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.653672]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.653699]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.653723]  ? __kthread_parkme+0x82/0x180
[   12.653746]  ? preempt_count_sub+0x50/0x80
[   12.653771]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.653796]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.653821]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.653846]  kthread+0x337/0x6f0
[   12.653865]  ? trace_preempt_on+0x20/0xc0
[   12.653889]  ? __pfx_kthread+0x10/0x10
[   12.653909]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.653931]  ? calculate_sigpending+0x7b/0xa0
[   12.653956]  ? __pfx_kthread+0x10/0x10
[   12.653978]  ret_from_fork+0x116/0x1d0
[   12.653997]  ? __pfx_kthread+0x10/0x10
[   12.654018]  ret_from_fork_asm+0x1a/0x30
[   12.654049]  </TASK>
[   12.654059] 
[   12.669627] Allocated by task 187:
[   12.670062]  kasan_save_stack+0x45/0x70
[   12.670480]  kasan_save_track+0x18/0x40
[   12.670845]  kasan_save_alloc_info+0x3b/0x50
[   12.671316]  __kasan_kmalloc+0xb7/0xc0
[   12.671828]  __kmalloc_cache_noprof+0x189/0x420
[   12.671999]  kmalloc_oob_in_memset+0xac/0x320
[   12.672150]  kunit_try_run_case+0x1a5/0x480
[   12.672305]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.672955]  kthread+0x337/0x6f0
[   12.673284]  ret_from_fork+0x116/0x1d0
[   12.673831]  ret_from_fork_asm+0x1a/0x30
[   12.674466] 
[   12.674736] The buggy address belongs to the object at ffff8881026b2a00
[   12.674736]  which belongs to the cache kmalloc-128 of size 128
[   12.676062] The buggy address is located 0 bytes inside of
[   12.676062]  allocated 120-byte region [ffff8881026b2a00, ffff8881026b2a78)
[   12.676464] 
[   12.676904] The buggy address belongs to the physical page:
[   12.677528] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026b2
[   12.678358] flags: 0x200000000000000(node=0|zone=2)
[   12.679100] page_type: f5(slab)
[   12.679232] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   12.679755] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   12.680755] page dumped because: kasan: bad access detected
[   12.681241] 
[   12.681481] Memory state around the buggy address:
[   12.682062]  ffff8881026b2900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.682287]  ffff8881026b2980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.682858] >ffff8881026b2a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   12.683682]                                                                 ^
[   12.684380]  ffff8881026b2a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.685215]  ffff8881026b2b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.685700] ==================================================================

[   12.926349] ==================================================================
[   12.926846] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320
[   12.927371] Write of size 128 at addr ffff888102b2e500 by task kunit_try_catch/188
[   12.927680] 
[   12.927799] CPU: 1 UID: 0 PID: 188 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   12.927851] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.927863] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.927882] Call Trace:
[   12.927893]  <TASK>
[   12.927949]  dump_stack_lvl+0x73/0xb0
[   12.927996]  print_report+0xd1/0x610
[   12.928020]  ? __virt_addr_valid+0x1db/0x2d0
[   12.928044]  ? kmalloc_oob_in_memset+0x15f/0x320
[   12.928079]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.928111]  ? kmalloc_oob_in_memset+0x15f/0x320
[   12.928145]  kasan_report+0x141/0x180
[   12.928178]  ? kmalloc_oob_in_memset+0x15f/0x320
[   12.928205]  kasan_check_range+0x10c/0x1c0
[   12.928229]  __asan_memset+0x27/0x50
[   12.928249]  kmalloc_oob_in_memset+0x15f/0x320
[   12.928270]  ? __kasan_check_write+0x18/0x20
[   12.928290]  ? __pfx_kmalloc_oob_in_memset+0x10/0x10
[   12.928315]  ? __pfx_queued_spin_lock_slowpath+0x10/0x10
[   12.928342]  ? __pfx_read_tsc+0x10/0x10
[   12.928363]  ? ktime_get_ts64+0x86/0x230
[   12.928388]  kunit_try_run_case+0x1a5/0x480
[   12.928412]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.928436]  ? _raw_spin_lock_irqsave+0xf9/0x100
[   12.928461]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.928485]  ? __kthread_parkme+0x82/0x180
[   12.928505]  ? preempt_count_sub+0x50/0x80
[   12.928529]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.928563]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.928588]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.928614]  kthread+0x337/0x6f0
[   12.928643]  ? trace_preempt_on+0x20/0xc0
[   12.928667]  ? __pfx_kthread+0x10/0x10
[   12.928687]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.928745]  ? calculate_sigpending+0x7b/0xa0
[   12.928771]  ? __pfx_kthread+0x10/0x10
[   12.928792]  ret_from_fork+0x116/0x1d0
[   12.928812]  ? __pfx_kthread+0x10/0x10
[   12.928832]  ret_from_fork_asm+0x1a/0x30
[   12.928863]  </TASK>
[   12.928873] 
[   12.937137] Allocated by task 188:
[   12.937267]  kasan_save_stack+0x45/0x70
[   12.937595]  kasan_save_track+0x18/0x40
[   12.937914]  kasan_save_alloc_info+0x3b/0x50
[   12.938363]  __kasan_kmalloc+0xb7/0xc0
[   12.938582]  __kmalloc_cache_noprof+0x189/0x420
[   12.939634]  kmalloc_oob_in_memset+0xac/0x320
[   12.940132]  kunit_try_run_case+0x1a5/0x480
[   12.940408]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.940843]  kthread+0x337/0x6f0
[   12.941012]  ret_from_fork+0x116/0x1d0
[   12.941509]  ret_from_fork_asm+0x1a/0x30
[   12.942047] 
[   12.942456] The buggy address belongs to the object at ffff888102b2e500
[   12.942456]  which belongs to the cache kmalloc-128 of size 128
[   12.943516] The buggy address is located 0 bytes inside of
[   12.943516]  allocated 120-byte region [ffff888102b2e500, ffff888102b2e578)
[   12.944813] 
[   12.944918] The buggy address belongs to the physical page:
[   12.945348] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b2e
[   12.945876] flags: 0x200000000000000(node=0|zone=2)
[   12.946273] page_type: f5(slab)
[   12.946553] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   12.947478] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   12.948084] page dumped because: kasan: bad access detected
[   12.948367] 
[   12.948473] Memory state around the buggy address:
[   12.948701]  ffff888102b2e400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.949098]  ffff888102b2e480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.949402] >ffff888102b2e500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   12.949672]                                                                 ^
[   12.950096]  ffff888102b2e580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.950484]  ffff888102b2e600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.950801] ==================================================================