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Date
Nov. 26, 2024, 6:09 a.m.

Environment
qemu-arm64
qemu-x86_64 

[   38.101697] ==================================================================
[   38.103164] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250
[   38.103994] Read of size 8 at addr fff00000c596c878 by task kunit_try_catch/270
[   38.104847] 
[   38.106099] CPU: 0 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241126 #1
[   38.107618] Tainted: [B]=BAD_PAGE, [N]=TEST
[   38.108165] Hardware name: linux,dummy-virt (DT)
[   38.109371] Call trace:
[   38.109882]  show_stack+0x20/0x38 (C)
[   38.110565]  dump_stack_lvl+0x8c/0xd0
[   38.111243]  print_report+0x118/0x5e0
[   38.111777]  kasan_report+0xc8/0x118
[   38.112716]  __asan_report_load8_noabort+0x20/0x30
[   38.113615]  copy_to_kernel_nofault+0x204/0x250
[   38.114235]  copy_to_kernel_nofault_oob+0x158/0x418
[   38.114578]  kunit_try_run_case+0x14c/0x3d0
[   38.114873]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   38.115228]  kthread+0x24c/0x2d0
[   38.115526]  ret_from_fork+0x10/0x20
[   38.115802] 
[   38.116083] Allocated by task 270:
[   38.117331]  kasan_save_stack+0x3c/0x68
[   38.118330]  kasan_save_track+0x20/0x40
[   38.119003]  kasan_save_alloc_info+0x40/0x58
[   38.119475]  __kasan_kmalloc+0xd4/0xd8
[   38.119932]  __kmalloc_cache_noprof+0x15c/0x3c8
[   38.120566]  copy_to_kernel_nofault_oob+0xc8/0x418
[   38.121329]  kunit_try_run_case+0x14c/0x3d0
[   38.122547]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   38.123231]  kthread+0x24c/0x2d0
[   38.123795]  ret_from_fork+0x10/0x20
[   38.124359] 
[   38.124978] The buggy address belongs to the object at fff00000c596c800
[   38.124978]  which belongs to the cache kmalloc-128 of size 128
[   38.126221] The buggy address is located 0 bytes to the right of
[   38.126221]  allocated 120-byte region [fff00000c596c800, fff00000c596c878)
[   38.128211] 
[   38.128842] The buggy address belongs to the physical page:
[   38.129620] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10596c
[   38.130629] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   38.131397] page_type: f5(slab)
[   38.131917] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   38.132983] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   38.134106] page dumped because: kasan: bad access detected
[   38.134771] 
[   38.135540] Memory state around the buggy address:
[   38.136142]  fff00000c596c700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
[   38.137001]  fff00000c596c780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   38.138287] >fff00000c596c800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   38.139049]                                                                 ^
[   38.139845]  fff00000c596c880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   38.140943]  fff00000c596c900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   38.141865] ==================================================================
[   38.144723] ==================================================================
[   38.145622] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250
[   38.146635] Write of size 8 at addr fff00000c596c878 by task kunit_try_catch/270
[   38.147422] 
[   38.147790] CPU: 0 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241126 #1
[   38.148819] Tainted: [B]=BAD_PAGE, [N]=TEST
[   38.149439] Hardware name: linux,dummy-virt (DT)
[   38.150695] Call trace:
[   38.151292]  show_stack+0x20/0x38 (C)
[   38.151846]  dump_stack_lvl+0x8c/0xd0
[   38.152737]  print_report+0x118/0x5e0
[   38.153564]  kasan_report+0xc8/0x118
[   38.154152]  kasan_check_range+0x100/0x1a8
[   38.154824]  __kasan_check_write+0x20/0x30
[   38.155429]  copy_to_kernel_nofault+0x8c/0x250
[   38.156114]  copy_to_kernel_nofault_oob+0x1bc/0x418
[   38.157484]  kunit_try_run_case+0x14c/0x3d0
[   38.158048]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   38.158778]  kthread+0x24c/0x2d0
[   38.159329]  ret_from_fork+0x10/0x20
[   38.159897] 
[   38.160287] Allocated by task 270:
[   38.160828]  kasan_save_stack+0x3c/0x68
[   38.161438]  kasan_save_track+0x20/0x40
[   38.162424]  kasan_save_alloc_info+0x40/0x58
[   38.163116]  __kasan_kmalloc+0xd4/0xd8
[   38.163658]  __kmalloc_cache_noprof+0x15c/0x3c8
[   38.165062]  copy_to_kernel_nofault_oob+0xc8/0x418
[   38.165785]  kunit_try_run_case+0x14c/0x3d0
[   38.166412]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   38.167292]  kthread+0x24c/0x2d0
[   38.167769]  ret_from_fork+0x10/0x20
[   38.168569] 
[   38.168947] The buggy address belongs to the object at fff00000c596c800
[   38.168947]  which belongs to the cache kmalloc-128 of size 128
[   38.170499] The buggy address is located 0 bytes to the right of
[   38.170499]  allocated 120-byte region [fff00000c596c800, fff00000c596c878)
[   38.171746] 
[   38.172234] The buggy address belongs to the physical page:
[   38.173850] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10596c
[   38.174697] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   38.175470] page_type: f5(slab)
[   38.176049] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   38.177270] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   38.178093] page dumped because: kasan: bad access detected
[   38.178713] 
[   38.179195] Memory state around the buggy address:
[   38.179764]  fff00000c596c700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
[   38.180941]  fff00000c596c780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   38.181952] >fff00000c596c800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   38.182776]                                                                 ^
[   38.183553]  fff00000c596c880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   38.184367]  fff00000c596c900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   38.185157] ==================================================================
Metadata Full log Test run details 

[   38.208399] ==================================================================
[   38.209788] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250
[   38.210617] Read of size 8 at addr fff00000c5efa578 by task kunit_try_catch/270
[   38.211387] 
[   38.211853] CPU: 0 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241126 #1
[   38.213038] Tainted: [B]=BAD_PAGE, [N]=TEST
[   38.213552] Hardware name: linux,dummy-virt (DT)
[   38.214507] Call trace:
[   38.215052]  show_stack+0x20/0x38 (C)
[   38.216149]  dump_stack_lvl+0x8c/0xd0
[   38.216845]  print_report+0x118/0x5e0
[   38.217787]  kasan_report+0xc8/0x118
[   38.218628]  __asan_report_load8_noabort+0x20/0x30
[   38.219347]  copy_to_kernel_nofault+0x204/0x250
[   38.220172]  copy_to_kernel_nofault_oob+0x158/0x418
[   38.220926]  kunit_try_run_case+0x14c/0x3d0
[   38.221569]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   38.222358]  kthread+0x24c/0x2d0
[   38.222890]  ret_from_fork+0x10/0x20
[   38.223505] 
[   38.223860] Allocated by task 270:
[   38.224435]  kasan_save_stack+0x3c/0x68
[   38.225007]  kasan_save_track+0x20/0x40
[   38.225941]  kasan_save_alloc_info+0x40/0x58
[   38.226515]  __kasan_kmalloc+0xd4/0xd8
[   38.227343]  __kmalloc_cache_noprof+0x15c/0x3c8
[   38.228114]  copy_to_kernel_nofault_oob+0xc8/0x418
[   38.228909]  kunit_try_run_case+0x14c/0x3d0
[   38.229569]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   38.230699]  kthread+0x24c/0x2d0
[   38.231261]  ret_from_fork+0x10/0x20
[   38.231850] 
[   38.232225] The buggy address belongs to the object at fff00000c5efa500
[   38.232225]  which belongs to the cache kmalloc-128 of size 128
[   38.233596] The buggy address is located 0 bytes to the right of
[   38.233596]  allocated 120-byte region [fff00000c5efa500, fff00000c5efa578)
[   38.235665] 
[   38.236050] The buggy address belongs to the physical page:
[   38.236720] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105efa
[   38.237577] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   38.238657] page_type: f5(slab)
[   38.239168] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   38.240049] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   38.241040] page dumped because: kasan: bad access detected
[   38.241996] 
[   38.242401] Memory state around the buggy address:
[   38.242990]  fff00000c5efa400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
[   38.243861]  fff00000c5efa480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   38.244653] >fff00000c5efa500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   38.245598]                                                                 ^
[   38.246615]  fff00000c5efa580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   38.247814]  fff00000c5efa600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   38.248675] ==================================================================
[   38.250511] ==================================================================
[   38.251301] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250
[   38.252250] Write of size 8 at addr fff00000c5efa578 by task kunit_try_catch/270
[   38.254585] 
[   38.255586] CPU: 0 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241126 #1
[   38.257470] Tainted: [B]=BAD_PAGE, [N]=TEST
[   38.258402] Hardware name: linux,dummy-virt (DT)
[   38.258929] Call trace:
[   38.259319]  show_stack+0x20/0x38 (C)
[   38.260426]  dump_stack_lvl+0x8c/0xd0
[   38.261123]  print_report+0x118/0x5e0
[   38.262118]  kasan_report+0xc8/0x118
[   38.262841]  kasan_check_range+0x100/0x1a8
[   38.263653]  __kasan_check_write+0x20/0x30
[   38.264461]  copy_to_kernel_nofault+0x8c/0x250
[   38.265150]  copy_to_kernel_nofault_oob+0x1bc/0x418
[   38.266149]  kunit_try_run_case+0x14c/0x3d0
[   38.266712]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   38.267357]  kthread+0x24c/0x2d0
[   38.267886]  ret_from_fork+0x10/0x20
[   38.268569] 
[   38.268956] Allocated by task 270:
[   38.269617]  kasan_save_stack+0x3c/0x68
[   38.270287]  kasan_save_track+0x20/0x40
[   38.271028]  kasan_save_alloc_info+0x40/0x58
[   38.271689]  __kasan_kmalloc+0xd4/0xd8
[   38.272350]  __kmalloc_cache_noprof+0x15c/0x3c8
[   38.273106]  copy_to_kernel_nofault_oob+0xc8/0x418
[   38.273724]  kunit_try_run_case+0x14c/0x3d0
[   38.274448]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   38.275303]  kthread+0x24c/0x2d0
[   38.275958]  ret_from_fork+0x10/0x20
[   38.276630] 
[   38.277014] The buggy address belongs to the object at fff00000c5efa500
[   38.277014]  which belongs to the cache kmalloc-128 of size 128
[   38.278563] The buggy address is located 0 bytes to the right of
[   38.278563]  allocated 120-byte region [fff00000c5efa500, fff00000c5efa578)
[   38.279927] 
[   38.280323] The buggy address belongs to the physical page:
[   38.280946] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105efa
[   38.281987] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   38.282900] page_type: f5(slab)
[   38.283356] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   38.284512] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   38.285342] page dumped because: kasan: bad access detected
[   38.286096] 
[   38.286513] Memory state around the buggy address:
[   38.287119]  fff00000c5efa400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   38.288070]  fff00000c5efa480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   38.288774] >fff00000c5efa500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   38.289773]                                                                 ^
[   38.290689]  fff00000c5efa580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   38.291661]  fff00000c5efa600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   38.292594] ==================================================================
Metadata Full log Test run details 

[   32.552991] ==================================================================
[   32.553258] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260
[   32.553258] Read of size 8 at addr ffff88810294dd78 by task kunit_try_catch/290
[   32.553258] 
[   32.553258] CPU: 1 UID: 0 PID: 290 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241126 #1
[   32.553258] Tainted: [B]=BAD_PAGE, [N]=TEST
[   32.553258] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   32.553258] Call Trace:
[   32.553258]  <TASK>
[   32.553258]  dump_stack_lvl+0x73/0xb0
[   32.553258]  print_report+0xd1/0x640
[   32.553258]  ? __virt_addr_valid+0x1db/0x2d0
[   32.553258]  ? kasan_complete_mode_report_info+0x2a/0x200
[   32.553258]  kasan_report+0x102/0x140
[   32.553258]  ? copy_to_kernel_nofault+0x225/0x260
[   32.553258]  ? copy_to_kernel_nofault+0x225/0x260
[   32.553258]  __asan_report_load8_noabort+0x18/0x20
[   32.553258]  copy_to_kernel_nofault+0x225/0x260
[   32.553258]  copy_to_kernel_nofault_oob+0x179/0x4e0
[   32.553258]  ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10
[   32.553258]  ? trace_hardirqs_on+0x37/0xe0
[   32.553258]  ? read_hpet+0x1f0/0x230
[   32.553258]  ? __pfx_read_hpet+0x10/0x10
[   32.553258]  ? ktime_get_ts64+0x84/0x230
[   32.553258]  kunit_try_run_case+0x1b3/0x490
[   32.553258]  ? __pfx_kunit_try_run_case+0x10/0x10
[   32.553258]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   32.553258]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   32.553258]  ? __kthread_parkme+0x82/0x160
[   32.553258]  ? preempt_count_sub+0x50/0x80
[   32.553258]  ? __pfx_kunit_try_run_case+0x10/0x10
[   32.553258]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   32.553258]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   32.553258]  kthread+0x257/0x310
[   32.553258]  ? __pfx_kthread+0x10/0x10
[   32.553258]  ret_from_fork+0x41/0x80
[   32.553258]  ? __pfx_kthread+0x10/0x10
[   32.553258]  ret_from_fork_asm+0x1a/0x30
[   32.553258]  </TASK>
[   32.553258] 
[   32.553258] Allocated by task 290:
[   32.553258]  kasan_save_stack+0x3d/0x60
[   32.553258]  kasan_save_track+0x18/0x40
[   32.553258]  kasan_save_alloc_info+0x3b/0x50
[   32.553258]  __kasan_kmalloc+0xb7/0xc0
[   32.553258]  __kmalloc_cache_noprof+0x184/0x410
[   32.553258]  copy_to_kernel_nofault_oob+0xc5/0x4e0
[   32.553258]  kunit_try_run_case+0x1b3/0x490
[   32.553258]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   32.553258]  kthread+0x257/0x310
[   32.553258]  ret_from_fork+0x41/0x80
[   32.553258]  ret_from_fork_asm+0x1a/0x30
[   32.553258] 
[   32.553258] The buggy address belongs to the object at ffff88810294dd00
[   32.553258]  which belongs to the cache kmalloc-128 of size 128
[   32.553258] The buggy address is located 0 bytes to the right of
[   32.553258]  allocated 120-byte region [ffff88810294dd00, ffff88810294dd78)
[   32.553258] 
[   32.553258] The buggy address belongs to the physical page:
[   32.553258] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10294d
[   32.553258] flags: 0x200000000000000(node=0|zone=2)
[   32.553258] page_type: f5(slab)
[   32.553258] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   32.553258] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   32.553258] page dumped because: kasan: bad access detected
[   32.553258] 
[   32.553258] Memory state around the buggy address:
[   32.553258]  ffff88810294dc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   32.553258]  ffff88810294dc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   32.553258] >ffff88810294dd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   32.553258]                                                                 ^
[   32.553258]  ffff88810294dd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   32.553258]  ffff88810294de00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   32.553258] ==================================================================
[   32.592191] ==================================================================
[   32.592191] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260
[   32.592191] Write of size 8 at addr ffff88810294dd78 by task kunit_try_catch/290
[   32.592191] 
[   32.592191] CPU: 1 UID: 0 PID: 290 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241126 #1
[   32.592191] Tainted: [B]=BAD_PAGE, [N]=TEST
[   32.592191] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   32.592191] Call Trace:
[   32.592191]  <TASK>
[   32.592191]  dump_stack_lvl+0x73/0xb0
[   32.592191]  print_report+0xd1/0x640
[   32.592191]  ? __virt_addr_valid+0x1db/0x2d0
[   32.592191]  ? kasan_complete_mode_report_info+0x2a/0x200
[   32.592191]  kasan_report+0x102/0x140
[   32.592191]  ? copy_to_kernel_nofault+0x99/0x260
[   32.592191]  ? copy_to_kernel_nofault+0x99/0x260
[   32.592191]  kasan_check_range+0x10c/0x1c0
[   32.592191]  __kasan_check_write+0x18/0x20
[   32.592191]  copy_to_kernel_nofault+0x99/0x260
[   32.592191]  copy_to_kernel_nofault_oob+0x214/0x4e0
[   32.592191]  ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10
[   32.592191]  ? trace_hardirqs_on+0x37/0xe0
[   32.592191]  ? read_hpet+0x1f0/0x230
[   32.592191]  ? __pfx_read_hpet+0x10/0x10
[   32.592191]  ? ktime_get_ts64+0x84/0x230
[   32.592191]  kunit_try_run_case+0x1b3/0x490
[   32.592191]  ? __pfx_kunit_try_run_case+0x10/0x10
[   32.592191]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   32.592191]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   32.592191]  ? __kthread_parkme+0x82/0x160
[   32.592191]  ? preempt_count_sub+0x50/0x80
[   32.592191]  ? __pfx_kunit_try_run_case+0x10/0x10
[   32.592191]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   32.592191]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   32.592191]  kthread+0x257/0x310
[   32.592191]  ? __pfx_kthread+0x10/0x10
[   32.592191]  ret_from_fork+0x41/0x80
[   32.592191]  ? __pfx_kthread+0x10/0x10
[   32.592191]  ret_from_fork_asm+0x1a/0x30
[   32.592191]  </TASK>
[   32.592191] 
[   32.592191] Allocated by task 290:
[   32.592191]  kasan_save_stack+0x3d/0x60
[   32.592191]  kasan_save_track+0x18/0x40
[   32.592191]  kasan_save_alloc_info+0x3b/0x50
[   32.592191]  __kasan_kmalloc+0xb7/0xc0
[   32.592191]  __kmalloc_cache_noprof+0x184/0x410
[   32.592191]  copy_to_kernel_nofault_oob+0xc5/0x4e0
[   32.592191]  kunit_try_run_case+0x1b3/0x490
[   32.592191]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   32.592191]  kthread+0x257/0x310
[   32.592191]  ret_from_fork+0x41/0x80
[   32.592191]  ret_from_fork_asm+0x1a/0x30
[   32.592191] 
[   32.592191] The buggy address belongs to the object at ffff88810294dd00
[   32.592191]  which belongs to the cache kmalloc-128 of size 128
[   32.592191] The buggy address is located 0 bytes to the right of
[   32.592191]  allocated 120-byte region [ffff88810294dd00, ffff88810294dd78)
[   32.592191] 
[   32.592191] The buggy address belongs to the physical page:
[   32.592191] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10294d
[   32.592191] flags: 0x200000000000000(node=0|zone=2)
[   32.592191] page_type: f5(slab)
[   32.592191] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   32.592191] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   32.592191] page dumped because: kasan: bad access detected
[   32.592191] 
[   32.592191] Memory state around the buggy address:
[   32.592191]  ffff88810294dc00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   32.592191]  ffff88810294dc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   32.592191] >ffff88810294dd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   32.592191]                                                                 ^
[   32.592191]  ffff88810294dd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   32.592191]  ffff88810294de00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   32.592191] ==================================================================
Metadata Full log Test run details 

[   27.260785] ==================================================================
[   27.262570] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260
[   27.263512] Read of size 8 at addr ffff8881028c8d78 by task kunit_try_catch/288
[   27.264972] 
[   27.265232] CPU: 0 UID: 0 PID: 288 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241126 #1
[   27.266318] Tainted: [B]=BAD_PAGE, [N]=TEST
[   27.266791] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   27.267926] Call Trace:
[   27.268118]  <TASK>
[   27.268390]  dump_stack_lvl+0x73/0xb0
[   27.269439]  print_report+0xd1/0x640
[   27.269878]  ? __virt_addr_valid+0x1db/0x2d0
[   27.270297]  ? kasan_complete_mode_report_info+0x2a/0x200
[   27.270759]  kasan_report+0x102/0x140
[   27.271139]  ? copy_to_kernel_nofault+0x225/0x260
[   27.272143]  ? copy_to_kernel_nofault+0x225/0x260
[   27.272587]  __asan_report_load8_noabort+0x18/0x20
[   27.273622]  copy_to_kernel_nofault+0x225/0x260
[   27.274051]  copy_to_kernel_nofault_oob+0x179/0x4e0
[   27.274509]  ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10
[   27.275292]  ? finish_task_switch.isra.0+0x153/0x700
[   27.275940]  ? __schedule+0xc3e/0x2790
[   27.276302]  ? trace_hardirqs_on+0x37/0xe0
[   27.276703]  ? __pfx_read_tsc+0x10/0x10
[   27.277017]  ? ktime_get_ts64+0x84/0x230
[   27.277464]  kunit_try_run_case+0x1b3/0x490
[   27.278551]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.279308]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   27.279790]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   27.280524]  ? __kthread_parkme+0x82/0x160
[   27.281089]  ? preempt_count_sub+0x50/0x80
[   27.281794]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.282152]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   27.282396]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.282885]  kthread+0x257/0x310
[   27.283413]  ? __pfx_kthread+0x10/0x10
[   27.283887]  ret_from_fork+0x41/0x80
[   27.284305]  ? __pfx_kthread+0x10/0x10
[   27.284753]  ret_from_fork_asm+0x1a/0x30
[   27.285230]  </TASK>
[   27.285677] 
[   27.286249] Allocated by task 288:
[   27.287019]  kasan_save_stack+0x3d/0x60
[   27.287354]  kasan_save_track+0x18/0x40
[   27.287695]  kasan_save_alloc_info+0x3b/0x50
[   27.288064]  __kasan_kmalloc+0xb7/0xc0
[   27.288503]  __kmalloc_cache_noprof+0x184/0x410
[   27.288919]  copy_to_kernel_nofault_oob+0xc5/0x4e0
[   27.289414]  kunit_try_run_case+0x1b3/0x490
[   27.290076]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.290506]  kthread+0x257/0x310
[   27.291141]  ret_from_fork+0x41/0x80
[   27.291465]  ret_from_fork_asm+0x1a/0x30
[   27.292421] 
[   27.292623] The buggy address belongs to the object at ffff8881028c8d00
[   27.292623]  which belongs to the cache kmalloc-128 of size 128
[   27.293999] The buggy address is located 0 bytes to the right of
[   27.293999]  allocated 120-byte region [ffff8881028c8d00, ffff8881028c8d78)
[   27.295065] 
[   27.295237] The buggy address belongs to the physical page:
[   27.295828] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1028c8
[   27.296459] flags: 0x200000000000000(node=0|zone=2)
[   27.297096] page_type: f5(slab)
[   27.297418] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   27.298419] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   27.299576] page dumped because: kasan: bad access detected
[   27.300167] 
[   27.300517] Memory state around the buggy address:
[   27.301018]  ffff8881028c8c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   27.301644]  ffff8881028c8c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.302085] >ffff8881028c8d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   27.302836]                                                                 ^
[   27.303288]  ffff8881028c8d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.304014]  ffff8881028c8e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.304700] ==================================================================
[   27.308385] ==================================================================
[   27.309333] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260
[   27.309803] Write of size 8 at addr ffff8881028c8d78 by task kunit_try_catch/288
[   27.310466] 
[   27.311743] CPU: 0 UID: 0 PID: 288 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241126 #1
[   27.312440] Tainted: [B]=BAD_PAGE, [N]=TEST
[   27.313103] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   27.314059] Call Trace:
[   27.314627]  <TASK>
[   27.315220]  dump_stack_lvl+0x73/0xb0
[   27.315955]  print_report+0xd1/0x640
[   27.316329]  ? __virt_addr_valid+0x1db/0x2d0
[   27.316770]  ? kasan_complete_mode_report_info+0x2a/0x200
[   27.317265]  kasan_report+0x102/0x140
[   27.318520]  ? copy_to_kernel_nofault+0x99/0x260
[   27.318850]  ? copy_to_kernel_nofault+0x99/0x260
[   27.319627]  kasan_check_range+0x10c/0x1c0
[   27.320038]  __kasan_check_write+0x18/0x20
[   27.320426]  copy_to_kernel_nofault+0x99/0x260
[   27.320917]  copy_to_kernel_nofault_oob+0x214/0x4e0
[   27.321374]  ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10
[   27.322356]  ? finish_task_switch.isra.0+0x153/0x700
[   27.322725]  ? __schedule+0xc3e/0x2790
[   27.323752]  ? trace_hardirqs_on+0x37/0xe0
[   27.324242]  ? __pfx_read_tsc+0x10/0x10
[   27.324960]  ? ktime_get_ts64+0x84/0x230
[   27.325566]  kunit_try_run_case+0x1b3/0x490
[   27.326284]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.326718]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   27.327210]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   27.328312]  ? __kthread_parkme+0x82/0x160
[   27.328885]  ? preempt_count_sub+0x50/0x80
[   27.329475]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.330105]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   27.330610]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.331539]  kthread+0x257/0x310
[   27.332240]  ? __pfx_kthread+0x10/0x10
[   27.332845]  ret_from_fork+0x41/0x80
[   27.333458]  ? __pfx_kthread+0x10/0x10
[   27.334178]  ret_from_fork_asm+0x1a/0x30
[   27.334629]  </TASK>
[   27.334861] 
[   27.335092] Allocated by task 288:
[   27.335390]  kasan_save_stack+0x3d/0x60
[   27.336392]  kasan_save_track+0x18/0x40
[   27.336809]  kasan_save_alloc_info+0x3b/0x50
[   27.337515]  __kasan_kmalloc+0xb7/0xc0
[   27.337793]  __kmalloc_cache_noprof+0x184/0x410
[   27.338292]  copy_to_kernel_nofault_oob+0xc5/0x4e0
[   27.338797]  kunit_try_run_case+0x1b3/0x490
[   27.339992]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.340385]  kthread+0x257/0x310
[   27.341039]  ret_from_fork+0x41/0x80
[   27.341625]  ret_from_fork_asm+0x1a/0x30
[   27.342060] 
[   27.342783] The buggy address belongs to the object at ffff8881028c8d00
[   27.342783]  which belongs to the cache kmalloc-128 of size 128
[   27.343861] The buggy address is located 0 bytes to the right of
[   27.343861]  allocated 120-byte region [ffff8881028c8d00, ffff8881028c8d78)
[   27.345197] 
[   27.345443] The buggy address belongs to the physical page:
[   27.347026] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1028c8
[   27.347686] flags: 0x200000000000000(node=0|zone=2)
[   27.348256] page_type: f5(slab)
[   27.348755] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   27.349433] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
[   27.349915] page dumped because: kasan: bad access detected
[   27.350474] 
[   27.350769] Memory state around the buggy address:
[   27.351153]  ffff8881028c8c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   27.351818]  ffff8881028c8c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.352374] >ffff8881028c8d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   27.353074]                                                                 ^
[   27.353518]  ffff8881028c8d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.354255]  ffff8881028c8e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.354895] ==================================================================
Metadata Full log Test run details