Hay
Date
June 3, 2025, 7:38 a.m.

Environment
qemu-arm64
qemu-x86_64
x86

[   18.082069] ==================================================================
[   18.084446] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x2f4/0x330
[   18.084538] Read of size 1 at addr fff00000c668b000 by task kunit_try_catch/140
[   18.084590] 
[   18.084627] CPU: 1 UID: 0 PID: 140 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250603 #1 PREEMPT 
[   18.084713] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.084738] Hardware name: linux,dummy-virt (DT)
[   18.084770] Call trace:
[   18.084793]  show_stack+0x20/0x38 (C)
[   18.084851]  dump_stack_lvl+0x8c/0xd0
[   18.084900]  print_report+0x118/0x608
[   18.084947]  kasan_report+0xdc/0x128
[   18.084992]  __asan_report_load1_noabort+0x20/0x30
[   18.085038]  kmalloc_node_oob_right+0x2f4/0x330
[   18.085086]  kunit_try_run_case+0x170/0x3f0
[   18.085134]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.085186]  kthread+0x328/0x630
[   18.085229]  ret_from_fork+0x10/0x20
[   18.085277] 
[   18.085295] Allocated by task 140:
[   18.085323]  kasan_save_stack+0x3c/0x68
[   18.085363]  kasan_save_track+0x20/0x40
[   18.085399]  kasan_save_alloc_info+0x40/0x58
[   18.085446]  __kasan_kmalloc+0xd4/0xd8
[   18.085481]  __kmalloc_cache_node_noprof+0x178/0x3d0
[   18.085522]  kmalloc_node_oob_right+0xbc/0x330
[   18.085559]  kunit_try_run_case+0x170/0x3f0
[   18.085595]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.085637]  kthread+0x328/0x630
[   18.085667]  ret_from_fork+0x10/0x20
[   18.085702] 
[   18.085721] The buggy address belongs to the object at fff00000c668a000
[   18.085721]  which belongs to the cache kmalloc-4k of size 4096
[   18.085776] The buggy address is located 0 bytes to the right of
[   18.085776]  allocated 4096-byte region [fff00000c668a000, fff00000c668b000)
[   18.085838] 
[   18.085858] The buggy address belongs to the physical page:
[   18.085932] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106688
[   18.086090] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   18.086136] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   18.086202] page_type: f5(slab)
[   18.086242] raw: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000
[   18.086291] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   18.086345] head: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000
[   18.086393] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   18.086452] head: 0bfffe0000000003 ffffc1ffc319a201 00000000ffffffff 00000000ffffffff
[   18.086500] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   18.086543] page dumped because: kasan: bad access detected
[   18.086572] 
[   18.086590] Memory state around the buggy address:
[   18.086622]  fff00000c668af00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.086663]  fff00000c668af80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.086703] >fff00000c668b000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.086739]                    ^
[   18.086766]  fff00000c668b080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.086805]  fff00000c668b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.086842] ==================================================================


[   13.526273] ==================================================================
[   13.526887] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x369/0x3c0
[   13.527125] Read of size 1 at addr ffff8881038d1000 by task kunit_try_catch/157
[   13.527635] 
[   13.528316] CPU: 0 UID: 0 PID: 157 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250603 #1 PREEMPT(voluntary) 
[   13.528403] Tainted: [B]=BAD_PAGE, [N]=TEST
[   13.528422] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   13.528450] Call Trace:
[   13.528480]  <TASK>
[   13.528509]  dump_stack_lvl+0x73/0xb0
[   13.528553]  print_report+0xd1/0x650
[   13.528580]  ? __virt_addr_valid+0x1db/0x2d0
[   13.528609]  ? kmalloc_node_oob_right+0x369/0x3c0
[   13.528635]  ? kasan_complete_mode_report_info+0x2a/0x200
[   13.528660]  ? kmalloc_node_oob_right+0x369/0x3c0
[   13.528686]  kasan_report+0x141/0x180
[   13.528710]  ? kmalloc_node_oob_right+0x369/0x3c0
[   13.528741]  __asan_report_load1_noabort+0x18/0x20
[   13.529147]  kmalloc_node_oob_right+0x369/0x3c0
[   13.529178]  ? __pfx_kmalloc_node_oob_right+0x10/0x10
[   13.529207]  ? __schedule+0x10cc/0x2b60
[   13.529422]  ? __pfx_read_tsc+0x10/0x10
[   13.529520]  ? ktime_get_ts64+0x86/0x230
[   13.529553]  kunit_try_run_case+0x1a5/0x480
[   13.529583]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.529604]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   13.529632]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   13.529660]  ? __kthread_parkme+0x82/0x180
[   13.529687]  ? preempt_count_sub+0x50/0x80
[   13.529877]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.529905]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.529934]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   13.529962]  kthread+0x337/0x6f0
[   13.529985]  ? trace_preempt_on+0x20/0xc0
[   13.530012]  ? __pfx_kthread+0x10/0x10
[   13.530035]  ? _raw_spin_unlock_irq+0x47/0x80
[   13.530061]  ? calculate_sigpending+0x7b/0xa0
[   13.530089]  ? __pfx_kthread+0x10/0x10
[   13.530113]  ret_from_fork+0x116/0x1d0
[   13.530135]  ? __pfx_kthread+0x10/0x10
[   13.530158]  ret_from_fork_asm+0x1a/0x30
[   13.530195]  </TASK>
[   13.530218] 
[   13.545598] Allocated by task 157:
[   13.546151]  kasan_save_stack+0x45/0x70
[   13.546626]  kasan_save_track+0x18/0x40
[   13.547091]  kasan_save_alloc_info+0x3b/0x50
[   13.547398]  __kasan_kmalloc+0xb7/0xc0
[   13.548115]  __kmalloc_cache_node_noprof+0x188/0x420
[   13.548638]  kmalloc_node_oob_right+0xab/0x3c0
[   13.549139]  kunit_try_run_case+0x1a5/0x480
[   13.549992]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.550375]  kthread+0x337/0x6f0
[   13.550836]  ret_from_fork+0x116/0x1d0
[   13.551125]  ret_from_fork_asm+0x1a/0x30
[   13.551596] 
[   13.551842] The buggy address belongs to the object at ffff8881038d0000
[   13.551842]  which belongs to the cache kmalloc-4k of size 4096
[   13.552926] The buggy address is located 0 bytes to the right of
[   13.552926]  allocated 4096-byte region [ffff8881038d0000, ffff8881038d1000)
[   13.553821] 
[   13.554188] The buggy address belongs to the physical page:
[   13.555068] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1038d0
[   13.555865] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   13.556525] flags: 0x200000000000040(head|node=0|zone=2)
[   13.557133] page_type: f5(slab)
[   13.557321] raw: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000
[   13.557886] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   13.558620] head: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000
[   13.559143] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   13.560118] head: 0200000000000003 ffffea00040e3401 00000000ffffffff 00000000ffffffff
[   13.560614] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   13.561376] page dumped because: kasan: bad access detected
[   13.561917] 
[   13.562051] Memory state around the buggy address:
[   13.562513]  ffff8881038d0f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   13.562979]  ffff8881038d0f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   13.563385] >ffff8881038d1000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   13.563935]                    ^
[   13.564207]  ffff8881038d1080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   13.564745]  ffff8881038d1100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   13.565345] ==================================================================


[   18.132769] ==================================================================
[   18.143656] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x369/0x3c0
[   18.151058] Read of size 1 at addr ffff888105873000 by task kunit_try_catch/180
[   18.158410] 
[   18.159933] CPU: 1 UID: 0 PID: 180 Comm: kunit_try_catch Tainted: G S  B            N  6.15.0-next-20250603 #1 PREEMPT(voluntary) 
[   18.159943] Tainted: [S]=CPU_OUT_OF_SPEC, [B]=BAD_PAGE, [N]=TEST
[   18.159945] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.7 12/07/2021
[   18.159949] Call Trace:
[   18.159950]  <TASK>
[   18.159952]  dump_stack_lvl+0x73/0xb0
[   18.159956]  print_report+0xd1/0x650
[   18.159960]  ? __virt_addr_valid+0x1db/0x2d0
[   18.159964]  ? kmalloc_node_oob_right+0x369/0x3c0
[   18.159969]  ? kasan_complete_mode_report_info+0x2a/0x200
[   18.159973]  ? kmalloc_node_oob_right+0x369/0x3c0
[   18.159977]  kasan_report+0x141/0x180
[   18.159981]  ? kmalloc_node_oob_right+0x369/0x3c0
[   18.159987]  __asan_report_load1_noabort+0x18/0x20
[   18.159990]  kmalloc_node_oob_right+0x369/0x3c0
[   18.159995]  ? __pfx_kmalloc_node_oob_right+0x10/0x10
[   18.160000]  ? __schedule+0x10cc/0x2b60
[   18.160004]  ? ktime_get_ts64+0x83/0x230
[   18.160008]  kunit_try_run_case+0x1a2/0x480
[   18.160012]  ? __pfx_kunit_try_run_case+0x10/0x10
[   18.160015]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   18.160020]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   18.160025]  ? __kthread_parkme+0x82/0x180
[   18.160028]  ? preempt_count_sub+0x50/0x80
[   18.160032]  ? __pfx_kunit_try_run_case+0x10/0x10
[   18.160036]  kunit_generic_run_threadfn_adapter+0x82/0xf0
[   18.160040]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   18.160045]  kthread+0x334/0x6f0
[   18.160048]  ? trace_preempt_on+0x20/0xc0
[   18.160052]  ? __pfx_kthread+0x10/0x10
[   18.160056]  ? _raw_spin_unlock_irq+0x47/0x80
[   18.160060]  ? calculate_sigpending+0x7b/0xa0
[   18.160065]  ? __pfx_kthread+0x10/0x10
[   18.160068]  ret_from_fork+0x113/0x1d0
[   18.160072]  ? __pfx_kthread+0x10/0x10
[   18.160075]  ret_from_fork_asm+0x1a/0x30
[   18.160081]  </TASK>
[   18.160082] 
[   18.327975] Allocated by task 180:
[   18.331388]  kasan_save_stack+0x45/0x70
[   18.335249]  kasan_save_track+0x18/0x40
[   18.339086]  kasan_save_alloc_info+0x3b/0x50
[   18.343399]  __kasan_kmalloc+0xb7/0xc0
[   18.347182]  __kmalloc_cache_node_noprof+0x188/0x420
[   18.352156]  kmalloc_node_oob_right+0xab/0x3c0
[   18.356601]  kunit_try_run_case+0x1a2/0x480
[   18.360786]  kunit_generic_run_threadfn_adapter+0x82/0xf0
[   18.366188]  kthread+0x334/0x6f0
[   18.369421]  ret_from_fork+0x113/0x1d0
[   18.373171]  ret_from_fork_asm+0x1a/0x30
[   18.377098] 
[   18.378597] The buggy address belongs to the object at ffff888105872000
[   18.378597]  which belongs to the cache kmalloc-4k of size 4096
[   18.391112] The buggy address is located 0 bytes to the right of
[   18.391112]  allocated 4096-byte region [ffff888105872000, ffff888105873000)
[   18.404148] 
[   18.405646] The buggy address belongs to the physical page:
[   18.411220] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105870
[   18.419225] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   18.426878] flags: 0x200000000000040(head|node=0|zone=2)
[   18.432192] page_type: f5(slab)
[   18.435339] raw: 0200000000000040 ffff888100043040 dead000000000122 0000000000000000
[   18.443111] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   18.450852] head: 0200000000000040 ffff888100043040 dead000000000122 0000000000000000
[   18.458686] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   18.466521] head: 0200000000000003 ffffea0004161c01 00000000ffffffff 00000000ffffffff
[   18.474370] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   18.482231] page dumped because: kasan: bad access detected
[   18.487804] 
[   18.489302] Memory state around the buggy address:
[   18.494097]  ffff888105872f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.501315]  ffff888105872f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   18.508533] >ffff888105873000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.515754]                    ^
[   18.518985]  ffff888105873080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.526207]  ffff888105873100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.533437] ==================================================================