Hay
Sign in
Date
July 15, 2025, 11:35 a.m.

Environment
e850-96
qemu-arm64
qemu-x86_64 

[   37.120237] ==================================================================
[   37.129501] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x2f4/0x330
[   37.136872] Read of size 1 at addr ffff0008080fd000 by task kunit_try_catch/221
[   37.144162] 
[   37.145649] CPU: 2 UID: 0 PID: 221 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250715 #1 PREEMPT 
[   37.145706] Tainted: [B]=BAD_PAGE, [N]=TEST
[   37.145723] Hardware name: WinLink E850-96 board (DT)
[   37.145743] Call trace:
[   37.145757]  show_stack+0x20/0x38 (C)
[   37.145794]  dump_stack_lvl+0x8c/0xd0
[   37.145826]  print_report+0x118/0x5d0
[   37.145854]  kasan_report+0xdc/0x128
[   37.145880]  __asan_report_load1_noabort+0x20/0x30
[   37.145913]  kmalloc_node_oob_right+0x2f4/0x330
[   37.145944]  kunit_try_run_case+0x170/0x3f0
[   37.145974]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   37.146009]  kthread+0x328/0x630
[   37.146037]  ret_from_fork+0x10/0x20
[   37.146070] 
[   37.210047] Allocated by task 221:
[   37.213435]  kasan_save_stack+0x3c/0x68
[   37.217251]  kasan_save_track+0x20/0x40
[   37.221071]  kasan_save_alloc_info+0x40/0x58
[   37.225324]  __kasan_kmalloc+0xd4/0xd8
[   37.229056]  __kmalloc_cache_node_noprof+0x178/0x3d0
[   37.234004]  kmalloc_node_oob_right+0xbc/0x330
[   37.238431]  kunit_try_run_case+0x170/0x3f0
[   37.242598]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   37.248066]  kthread+0x328/0x630
[   37.251278]  ret_from_fork+0x10/0x20
[   37.254837] 
[   37.256315] The buggy address belongs to the object at ffff0008080fc000
[   37.256315]  which belongs to the cache kmalloc-4k of size 4096
[   37.268816] The buggy address is located 0 bytes to the right of
[   37.268816]  allocated 4096-byte region [ffff0008080fc000, ffff0008080fd000)
[   37.281833] 
[   37.283312] The buggy address belongs to the physical page:
[   37.288870] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8880f8
[   37.296852] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   37.304493] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   37.311435] page_type: f5(slab)
[   37.314572] raw: 0bfffe0000000040 ffff000800003040 dead000000000122 0000000000000000
[   37.322291] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   37.330019] head: 0bfffe0000000040 ffff000800003040 dead000000000122 0000000000000000
[   37.337828] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   37.345642] head: 0bfffe0000000003 fffffdffe0203e01 00000000ffffffff 00000000ffffffff
[   37.353453] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   37.361260] page dumped because: kasan: bad access detected
[   37.366815] 
[   37.368290] Memory state around the buggy address:
[   37.373072]  ffff0008080fcf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   37.380273]  ffff0008080fcf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   37.387479] >ffff0008080fd000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   37.394679]                    ^
[   37.397894]  ffff0008080fd080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   37.405099]  ffff0008080fd100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   37.412301] ==================================================================
Metadata Full log Test run details 

[   30.296498] ==================================================================
[   30.296629] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x2f4/0x330
[   30.296699] Read of size 1 at addr fff00000c9a07000 by task kunit_try_catch/172
[   30.296813] 
[   30.297196] CPU: 0 UID: 0 PID: 172 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250715 #1 PREEMPT 
[   30.297287] Tainted: [B]=BAD_PAGE, [N]=TEST
[   30.297313] Hardware name: linux,dummy-virt (DT)
[   30.297413] Call trace:
[   30.297456]  show_stack+0x20/0x38 (C)
[   30.297509]  dump_stack_lvl+0x8c/0xd0
[   30.297558]  print_report+0x118/0x5d0
[   30.297601]  kasan_report+0xdc/0x128
[   30.297765]  __asan_report_load1_noabort+0x20/0x30
[   30.297991]  kmalloc_node_oob_right+0x2f4/0x330
[   30.298099]  kunit_try_run_case+0x170/0x3f0
[   30.298188]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   30.298269]  kthread+0x328/0x630
[   30.298366]  ret_from_fork+0x10/0x20
[   30.298502] 
[   30.298550] Allocated by task 172:
[   30.298615]  kasan_save_stack+0x3c/0x68
[   30.298669]  kasan_save_track+0x20/0x40
[   30.298708]  kasan_save_alloc_info+0x40/0x58
[   30.298744]  __kasan_kmalloc+0xd4/0xd8
[   30.298781]  __kmalloc_cache_node_noprof+0x178/0x3d0
[   30.298830]  kmalloc_node_oob_right+0xbc/0x330
[   30.298869]  kunit_try_run_case+0x170/0x3f0
[   30.298904]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   30.298945]  kthread+0x328/0x630
[   30.298976]  ret_from_fork+0x10/0x20
[   30.299012] 
[   30.299032] The buggy address belongs to the object at fff00000c9a06000
[   30.299032]  which belongs to the cache kmalloc-4k of size 4096
[   30.299088] The buggy address is located 0 bytes to the right of
[   30.299088]  allocated 4096-byte region [fff00000c9a06000, fff00000c9a07000)
[   30.299307] 
[   30.299353] The buggy address belongs to the physical page:
[   30.299472] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109a00
[   30.299753] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   30.299831] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   30.299955] page_type: f5(slab)
[   30.300014] raw: 0bfffe0000000040 fff00000c0002140 dead000000000100 dead000000000122
[   30.300086] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   30.300142] head: 0bfffe0000000040 fff00000c0002140 dead000000000100 dead000000000122
[   30.300201] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   30.300702] head: 0bfffe0000000003 ffffc1ffc3268001 00000000ffffffff 00000000ffffffff
[   30.300759] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   30.300808] page dumped because: kasan: bad access detected
[   30.300838] 
[   30.300855] Memory state around the buggy address:
[   30.301063]  fff00000c9a06f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   30.301138]  fff00000c9a06f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   30.301181] >fff00000c9a07000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.301262]                    ^
[   30.301345]  fff00000c9a07080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.301428]  fff00000c9a07100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.301494] ==================================================================
Metadata Full log Test run details 

[   23.477106] ==================================================================
[   23.477562] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x369/0x3c0
[   23.478424] Read of size 1 at addr ffff8881054d7000 by task kunit_try_catch/188
[   23.479293] 
[   23.479430] CPU: 0 UID: 0 PID: 188 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250715 #1 PREEMPT(voluntary) 
[   23.479489] Tainted: [B]=BAD_PAGE, [N]=TEST
[   23.479505] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   23.479539] Call Trace:
[   23.479557]  <TASK>
[   23.479576]  dump_stack_lvl+0x73/0xb0
[   23.479632]  print_report+0xd1/0x610
[   23.479660]  ? __virt_addr_valid+0x1db/0x2d0
[   23.479691]  ? kmalloc_node_oob_right+0x369/0x3c0
[   23.479719]  ? kasan_complete_mode_report_info+0x2a/0x200
[   23.479749]  ? kmalloc_node_oob_right+0x369/0x3c0
[   23.479778]  kasan_report+0x141/0x180
[   23.479863]  ? kmalloc_node_oob_right+0x369/0x3c0
[   23.479913]  __asan_report_load1_noabort+0x18/0x20
[   23.479943]  kmalloc_node_oob_right+0x369/0x3c0
[   23.479972]  ? __pfx_kmalloc_node_oob_right+0x10/0x10
[   23.480001]  ? __schedule+0x10cc/0x2b60
[   23.480028]  ? __pfx_read_tsc+0x10/0x10
[   23.480055]  ? ktime_get_ts64+0x86/0x230
[   23.480087]  kunit_try_run_case+0x1a5/0x480
[   23.480117]  ? __pfx_kunit_try_run_case+0x10/0x10
[   23.480144]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   23.480172]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   23.480200]  ? __kthread_parkme+0x82/0x180
[   23.480226]  ? preempt_count_sub+0x50/0x80
[   23.480255]  ? __pfx_kunit_try_run_case+0x10/0x10
[   23.480283]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   23.480314]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   23.480345]  kthread+0x337/0x6f0
[   23.480369]  ? trace_preempt_on+0x20/0xc0
[   23.480399]  ? __pfx_kthread+0x10/0x10
[   23.480424]  ? _raw_spin_unlock_irq+0x47/0x80
[   23.480453]  ? calculate_sigpending+0x7b/0xa0
[   23.480482]  ? __pfx_kthread+0x10/0x10
[   23.480509]  ret_from_fork+0x116/0x1d0
[   23.480553]  ? __pfx_kthread+0x10/0x10
[   23.480579]  ret_from_fork_asm+0x1a/0x30
[   23.480620]  </TASK>
[   23.480633] 
[   23.490338] Allocated by task 188:
[   23.490480]  kasan_save_stack+0x45/0x70
[   23.490684]  kasan_save_track+0x18/0x40
[   23.490942]  kasan_save_alloc_info+0x3b/0x50
[   23.491160]  __kasan_kmalloc+0xb7/0xc0
[   23.491305]  __kmalloc_cache_node_noprof+0x188/0x420
[   23.491730]  kmalloc_node_oob_right+0xab/0x3c0
[   23.492012]  kunit_try_run_case+0x1a5/0x480
[   23.492158]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   23.492363]  kthread+0x337/0x6f0
[   23.492591]  ret_from_fork+0x116/0x1d0
[   23.493068]  ret_from_fork_asm+0x1a/0x30
[   23.493274] 
[   23.493416] The buggy address belongs to the object at ffff8881054d6000
[   23.493416]  which belongs to the cache kmalloc-4k of size 4096
[   23.494038] The buggy address is located 0 bytes to the right of
[   23.494038]  allocated 4096-byte region [ffff8881054d6000, ffff8881054d7000)
[   23.494789] 
[   23.494882] The buggy address belongs to the physical page:
[   23.495247] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1054d0
[   23.495967] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   23.496293] flags: 0x200000000000040(head|node=0|zone=2)
[   23.496664] page_type: f5(slab)
[   23.496850] raw: 0200000000000040 ffff888100042140 dead000000000100 dead000000000122
[   23.497180] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   23.497534] head: 0200000000000040 ffff888100042140 dead000000000100 dead000000000122
[   23.497974] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   23.498319] head: 0200000000000003 ffffea0004153401 00000000ffffffff 00000000ffffffff
[   23.498819] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   23.499139] page dumped because: kasan: bad access detected
[   23.499411] 
[   23.499528] Memory state around the buggy address:
[   23.499812]  ffff8881054d6f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   23.500140]  ffff8881054d6f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   23.500499] >ffff8881054d7000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   23.500811]                    ^
[   23.501022]  ffff8881054d7080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   23.501376]  ffff8881054d7100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   23.501773] ==================================================================
Metadata Full log Test run details