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

Environment
e850-96
qemu-arm64
qemu-x86_64 

[   37.180037] ==================================================================
[   37.189376] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x2f4/0x330
[   37.196746] Read of size 1 at addr ffff00080806b000 by task kunit_try_catch/224
[   37.204036] 
[   37.205522] CPU: 3 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250714 #1 PREEMPT 
[   37.205575] Tainted: [B]=BAD_PAGE, [N]=TEST
[   37.205593] Hardware name: WinLink E850-96 board (DT)
[   37.205610] Call trace:
[   37.205623]  show_stack+0x20/0x38 (C)
[   37.205660]  dump_stack_lvl+0x8c/0xd0
[   37.205693]  print_report+0x118/0x5d0
[   37.205722]  kasan_report+0xdc/0x128
[   37.205747]  __asan_report_load1_noabort+0x20/0x30
[   37.205779]  kmalloc_node_oob_right+0x2f4/0x330
[   37.205813]  kunit_try_run_case+0x170/0x3f0
[   37.205852]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   37.205883]  kthread+0x328/0x630
[   37.205911]  ret_from_fork+0x10/0x20
[   37.205946] 
[   37.269922] Allocated by task 224:
[   37.273309]  kasan_save_stack+0x3c/0x68
[   37.277125]  kasan_save_track+0x20/0x40
[   37.280944]  kasan_save_alloc_info+0x40/0x58
[   37.285198]  __kasan_kmalloc+0xd4/0xd8
[   37.288932]  __kmalloc_cache_node_noprof+0x178/0x3d0
[   37.293878]  kmalloc_node_oob_right+0xbc/0x330
[   37.298305]  kunit_try_run_case+0x170/0x3f0
[   37.302472]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   37.307941]  kthread+0x328/0x630
[   37.311152]  ret_from_fork+0x10/0x20
[   37.314711] 
[   37.316190] The buggy address belongs to the object at ffff00080806a000
[   37.316190]  which belongs to the cache kmalloc-4k of size 4096
[   37.328690] The buggy address is located 0 bytes to the right of
[   37.328690]  allocated 4096-byte region [ffff00080806a000, ffff00080806b000)
[   37.341707] 
[   37.343186] The buggy address belongs to the physical page:
[   37.348744] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x888068
[   37.356726] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   37.364365] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   37.371309] page_type: f5(slab)
[   37.374446] raw: 0bfffe0000000040 ffff000800003040 dead000000000122 0000000000000000
[   37.382165] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   37.389891] head: 0bfffe0000000040 ffff000800003040 dead000000000122 0000000000000000
[   37.397702] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   37.405516] head: 0bfffe0000000003 fffffdffe0201a01 00000000ffffffff 00000000ffffffff
[   37.413327] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   37.421133] page dumped because: kasan: bad access detected
[   37.426690] 
[   37.428166] Memory state around the buggy address:
[   37.432945]  ffff00080806af00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   37.440147]  ffff00080806af80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   37.447354] >ffff00080806b000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   37.454554]                    ^
[   37.457768]  ffff00080806b080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   37.464973]  ffff00080806b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   37.472174] ==================================================================
Metadata Full log Test run details 

[   29.310269] ==================================================================
[   29.310332] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x2f4/0x330
[   29.310386] Read of size 1 at addr fff00000c8f19000 by task kunit_try_catch/171
[   29.310481] 
[   29.310515] CPU: 0 UID: 0 PID: 171 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250714 #1 PREEMPT 
[   29.310857] Tainted: [B]=BAD_PAGE, [N]=TEST
[   29.310958] Hardware name: linux,dummy-virt (DT)
[   29.310994] Call trace:
[   29.311110]  show_stack+0x20/0x38 (C)
[   29.311164]  dump_stack_lvl+0x8c/0xd0
[   29.311212]  print_report+0x118/0x5d0
[   29.311253]  kasan_report+0xdc/0x128
[   29.311294]  __asan_report_load1_noabort+0x20/0x30
[   29.311543]  kmalloc_node_oob_right+0x2f4/0x330
[   29.311617]  kunit_try_run_case+0x170/0x3f0
[   29.311719]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   29.311808]  kthread+0x328/0x630
[   29.311909]  ret_from_fork+0x10/0x20
[   29.311974] 
[   29.312013] Allocated by task 171:
[   29.312099]  kasan_save_stack+0x3c/0x68
[   29.312144]  kasan_save_track+0x20/0x40
[   29.312190]  kasan_save_alloc_info+0x40/0x58
[   29.312257]  __kasan_kmalloc+0xd4/0xd8
[   29.312375]  __kmalloc_cache_node_noprof+0x178/0x3d0
[   29.312435]  kmalloc_node_oob_right+0xbc/0x330
[   29.312540]  kunit_try_run_case+0x170/0x3f0
[   29.312598]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   29.312676]  kthread+0x328/0x630
[   29.312707]  ret_from_fork+0x10/0x20
[   29.312741] 
[   29.312759] The buggy address belongs to the object at fff00000c8f18000
[   29.312759]  which belongs to the cache kmalloc-4k of size 4096
[   29.312960] The buggy address is located 0 bytes to the right of
[   29.312960]  allocated 4096-byte region [fff00000c8f18000, fff00000c8f19000)
[   29.313023] 
[   29.313043] The buggy address belongs to the physical page:
[   29.313127] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x108f18
[   29.313621] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   29.313689] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   29.313862] page_type: f5(slab)
[   29.314013] raw: 0bfffe0000000040 fff00000c0002140 dead000000000100 dead000000000122
[   29.314160] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   29.314236] head: 0bfffe0000000040 fff00000c0002140 dead000000000100 dead000000000122
[   29.314332] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   29.314426] head: 0bfffe0000000003 ffffc1ffc323c601 00000000ffffffff 00000000ffffffff
[   29.314476] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   29.314556] page dumped because: kasan: bad access detected
[   29.314585] 
[   29.314603] Memory state around the buggy address:
[   29.314633]  fff00000c8f18f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   29.314718]  fff00000c8f18f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   29.314761] >fff00000c8f19000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   29.314796]                    ^
[   29.314823]  fff00000c8f19080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   29.314892]  fff00000c8f19100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   29.314966] ==================================================================
Metadata Full log Test run details 

[   23.607163] ==================================================================
[   23.608219] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x369/0x3c0
[   23.608483] Read of size 1 at addr ffff888105ff5000 by task kunit_try_catch/189
[   23.608711] 
[   23.609005] CPU: 0 UID: 0 PID: 189 Comm: kunit_try_catch Tainted: G    B   W        N  6.16.0-rc6-next-20250714 #1 PREEMPT(voluntary) 
[   23.609078] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
[   23.609090] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   23.609115] Call Trace:
[   23.609129]  <TASK>
[   23.609150]  dump_stack_lvl+0x73/0xb0
[   23.609220]  print_report+0xd1/0x610
[   23.609242]  ? __virt_addr_valid+0x1db/0x2d0
[   23.609278]  ? kmalloc_node_oob_right+0x369/0x3c0
[   23.609300]  ? kasan_complete_mode_report_info+0x2a/0x200
[   23.609325]  ? kmalloc_node_oob_right+0x369/0x3c0
[   23.609347]  kasan_report+0x141/0x180
[   23.609368]  ? kmalloc_node_oob_right+0x369/0x3c0
[   23.609395]  __asan_report_load1_noabort+0x18/0x20
[   23.609418]  kmalloc_node_oob_right+0x369/0x3c0
[   23.609470]  ? __pfx_kmalloc_node_oob_right+0x10/0x10
[   23.609495]  ? __pfx_kmalloc_node_oob_right+0x10/0x10
[   23.609521]  kunit_try_run_case+0x1a5/0x480
[   23.609555]  ? __pfx_kunit_try_run_case+0x10/0x10
[   23.609575]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   23.609600]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   23.609623]  ? __kthread_parkme+0x82/0x180
[   23.609645]  ? preempt_count_sub+0x50/0x80
[   23.609677]  ? __pfx_kunit_try_run_case+0x10/0x10
[   23.609698]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   23.609722]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   23.609794]  kthread+0x337/0x6f0
[   23.609814]  ? trace_preempt_on+0x20/0xc0
[   23.609851]  ? __pfx_kthread+0x10/0x10
[   23.609873]  ? _raw_spin_unlock_irq+0x47/0x80
[   23.609894]  ? calculate_sigpending+0x7b/0xa0
[   23.609964]  ? __pfx_kthread+0x10/0x10
[   23.609985]  ret_from_fork+0x116/0x1d0
[   23.610016]  ? __pfx_kthread+0x10/0x10
[   23.610037]  ret_from_fork_asm+0x1a/0x30
[   23.610087]  </TASK>
[   23.610107] 
[   23.622233] Allocated by task 189:
[   23.622422]  kasan_save_stack+0x45/0x70
[   23.622613]  kasan_save_track+0x18/0x40
[   23.622898]  kasan_save_alloc_info+0x3b/0x50
[   23.623056]  __kasan_kmalloc+0xb7/0xc0
[   23.623344]  __kmalloc_cache_node_noprof+0x188/0x420
[   23.623508]  kmalloc_node_oob_right+0xab/0x3c0
[   23.623653]  kunit_try_run_case+0x1a5/0x480
[   23.623826]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   23.624108]  kthread+0x337/0x6f0
[   23.624274]  ret_from_fork+0x116/0x1d0
[   23.624457]  ret_from_fork_asm+0x1a/0x30
[   23.624651] 
[   23.624814] The buggy address belongs to the object at ffff888105ff4000
[   23.624814]  which belongs to the cache kmalloc-4k of size 4096
[   23.625348] The buggy address is located 0 bytes to the right of
[   23.625348]  allocated 4096-byte region [ffff888105ff4000, ffff888105ff5000)
[   23.626077] 
[   23.626254] The buggy address belongs to the physical page:
[   23.626618] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105ff0
[   23.627407] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   23.627815] flags: 0x200000000000040(head|node=0|zone=2)
[   23.628151] page_type: f5(slab)
[   23.628357] raw: 0200000000000040 ffff888100042140 ffffea0004180000 dead000000000002
[   23.628597] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   23.629122] head: 0200000000000040 ffff888100042140 ffffea0004180000 dead000000000002
[   23.629426] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   23.629806] head: 0200000000000003 ffffea000417fc01 00000000ffffffff 00000000ffffffff
[   23.630189] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   23.630490] page dumped because: kasan: bad access detected
[   23.630846] 
[   23.631008] Memory state around the buggy address:
[   23.631248]  ffff888105ff4f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   23.631589]  ffff888105ff4f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   23.631836] >ffff888105ff5000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   23.632098]                    ^
[   23.632259]  ffff888105ff5080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   23.632620]  ffff888105ff5100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   23.633044] ==================================================================
Metadata Full log Test run details