Hay
Date
Dec. 3, 2024, 11:38 p.m.

Environment
qemu-arm64
qemu-x86_64

[   37.359989] ==================================================================
[   37.361063] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x8c/0x250
[   37.361968] Write of size 8 at addr fff00000c594be78 by task kunit_try_catch/270
[   37.362861] 
[   37.364272] CPU: 0 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc1-next-20241203 #1
[   37.365722] Tainted: [B]=BAD_PAGE, [N]=TEST
[   37.366276] Hardware name: linux,dummy-virt (DT)
[   37.367242] Call trace:
[   37.367692]  show_stack+0x20/0x38 (C)
[   37.368391]  dump_stack_lvl+0x8c/0xd0
[   37.368933]  print_report+0x118/0x5e0
[   37.369546]  kasan_report+0xc8/0x118
[   37.370122]  kasan_check_range+0x100/0x1a8
[   37.370772]  __kasan_check_write+0x20/0x30
[   37.371739]  copy_to_kernel_nofault+0x8c/0x250
[   37.372401]  copy_to_kernel_nofault_oob+0x1bc/0x418
[   37.373110]  kunit_try_run_case+0x14c/0x3d0
[   37.373785]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   37.374651]  kthread+0x24c/0x2d0
[   37.375445]  ret_from_fork+0x10/0x20
[   37.376018] 
[   37.376428] Allocated by task 270:
[   37.376924]  kasan_save_stack+0x3c/0x68
[   37.377543]  kasan_save_track+0x20/0x40
[   37.378217]  kasan_save_alloc_info+0x40/0x58
[   37.378876]  __kasan_kmalloc+0xd4/0xd8
[   37.380430]  __kmalloc_cache_noprof+0x15c/0x3c0
[   37.381113]  copy_to_kernel_nofault_oob+0xc8/0x418
[   37.381878]  kunit_try_run_case+0x14c/0x3d0
[   37.382519]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   37.383374]  kthread+0x24c/0x2d0
[   37.384167]  ret_from_fork+0x10/0x20
[   37.384918] 
[   37.385253] The buggy address belongs to the object at fff00000c594be00
[   37.385253]  which belongs to the cache kmalloc-128 of size 128
[   37.386729] The buggy address is located 0 bytes to the right of
[   37.386729]  allocated 120-byte region [fff00000c594be00, fff00000c594be78)
[   37.388799] 
[   37.389145] The buggy address belongs to the physical page:
[   37.389944] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10594b
[   37.390934] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   37.391936] page_type: f5(slab)
[   37.392614] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   37.393551] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   37.394515] page dumped because: kasan: bad access detected
[   37.395189] 
[   37.395845] Memory state around the buggy address:
[   37.396790]  fff00000c594bd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
[   37.397785]  fff00000c594bd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   37.398719] >fff00000c594be00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   37.399911]                                                                 ^
[   37.400984]  fff00000c594be80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   37.402148]  fff00000c594bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   37.402823] ==================================================================
[   37.314807] ==================================================================
[   37.316901] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x204/0x250
[   37.317766] Read of size 8 at addr fff00000c594be78 by task kunit_try_catch/270
[   37.318636] 
[   37.319077] CPU: 0 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc1-next-20241203 #1
[   37.320633] Tainted: [B]=BAD_PAGE, [N]=TEST
[   37.321204] Hardware name: linux,dummy-virt (DT)
[   37.321848] Call trace:
[   37.322284]  show_stack+0x20/0x38 (C)
[   37.322915]  dump_stack_lvl+0x8c/0xd0
[   37.323593]  print_report+0x118/0x5e0
[   37.324294]  kasan_report+0xc8/0x118
[   37.324832]  __asan_report_load8_noabort+0x20/0x30
[   37.325627]  copy_to_kernel_nofault+0x204/0x250
[   37.326355]  copy_to_kernel_nofault_oob+0x158/0x418
[   37.327159]  kunit_try_run_case+0x14c/0x3d0
[   37.327842]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   37.328920]  kthread+0x24c/0x2d0
[   37.329429]  ret_from_fork+0x10/0x20
[   37.330029] 
[   37.330399] Allocated by task 270:
[   37.330862]  kasan_save_stack+0x3c/0x68
[   37.331632]  kasan_save_track+0x20/0x40
[   37.332732]  kasan_save_alloc_info+0x40/0x58
[   37.333529]  __kasan_kmalloc+0xd4/0xd8
[   37.334293]  __kmalloc_cache_noprof+0x15c/0x3c0
[   37.335058]  copy_to_kernel_nofault_oob+0xc8/0x418
[   37.335980]  kunit_try_run_case+0x14c/0x3d0
[   37.336708]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   37.337647]  kthread+0x24c/0x2d0
[   37.338399]  ret_from_fork+0x10/0x20
[   37.338893] 
[   37.339073] The buggy address belongs to the object at fff00000c594be00
[   37.339073]  which belongs to the cache kmalloc-128 of size 128
[   37.340943] The buggy address is located 0 bytes to the right of
[   37.340943]  allocated 120-byte region [fff00000c594be00, fff00000c594be78)
[   37.342593] 
[   37.343056] The buggy address belongs to the physical page:
[   37.344164] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10594b
[   37.345054] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   37.345860] page_type: f5(slab)
[   37.346478] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   37.347533] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   37.348762] page dumped because: kasan: bad access detected
[   37.349622] 
[   37.349941] Memory state around the buggy address:
[   37.350576]  fff00000c594bd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
[   37.351630]  fff00000c594bd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   37.353243] >fff00000c594be00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   37.354659]                                                                 ^
[   37.356107]  fff00000c594be80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   37.357014]  fff00000c594bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   37.358530] ==================================================================

[   32.393789] ==================================================================
[   32.396092] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x225/0x260
[   32.396756] Read of size 8 at addr ffff88810299ad78 by task kunit_try_catch/290
[   32.397205] 
[   32.397449] CPU: 0 UID: 0 PID: 290 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc1-next-20241203 #1
[   32.398310] Tainted: [B]=BAD_PAGE, [N]=TEST
[   32.399418] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   32.400410] Call Trace:
[   32.400971]  <TASK>
[   32.401182]  dump_stack_lvl+0x73/0xb0
[   32.401753]  print_report+0xd1/0x640
[   32.402540]  ? __virt_addr_valid+0x1db/0x2d0
[   32.403001]  ? kasan_complete_mode_report_info+0x2a/0x200
[   32.403558]  kasan_report+0x102/0x140
[   32.404180]  ? copy_to_kernel_nofault+0x225/0x260
[   32.404821]  ? copy_to_kernel_nofault+0x225/0x260
[   32.405335]  __asan_report_load8_noabort+0x18/0x20
[   32.406153]  copy_to_kernel_nofault+0x225/0x260
[   32.406570]  copy_to_kernel_nofault_oob+0x179/0x4e0
[   32.407351]  ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10
[   32.408031]  ? finish_task_switch.isra.0+0x153/0x700
[   32.408835]  ? __schedule+0xc3e/0x2790
[   32.409542]  ? trace_hardirqs_on+0x37/0xe0
[   32.410283]  ? __pfx_read_tsc+0x10/0x10
[   32.410829]  ? ktime_get_ts64+0x86/0x230
[   32.411616]  kunit_try_run_case+0x1b3/0x490
[   32.412050]  ? __pfx_kunit_try_run_case+0x10/0x10
[   32.412520]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   32.413338]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   32.414018]  ? __kthread_parkme+0x82/0x160
[   32.414588]  ? preempt_count_sub+0x50/0x80
[   32.415093]  ? __pfx_kunit_try_run_case+0x10/0x10
[   32.415965]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   32.416455]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   32.416954]  kthread+0x257/0x310
[   32.417280]  ? __pfx_kthread+0x10/0x10
[   32.418132]  ret_from_fork+0x41/0x80
[   32.418489]  ? __pfx_kthread+0x10/0x10
[   32.419144]  ret_from_fork_asm+0x1a/0x30
[   32.419806]  </TASK>
[   32.420011] 
[   32.420174] Allocated by task 290:
[   32.421114]  kasan_save_stack+0x3d/0x60
[   32.421418]  kasan_save_track+0x18/0x40
[   32.421809]  kasan_save_alloc_info+0x3b/0x50
[   32.422551]  __kasan_kmalloc+0xb7/0xc0
[   32.423066]  __kmalloc_cache_noprof+0x184/0x410
[   32.423589]  copy_to_kernel_nofault_oob+0xc5/0x4e0
[   32.424228]  kunit_try_run_case+0x1b3/0x490
[   32.424755]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   32.425257]  kthread+0x257/0x310
[   32.425736]  ret_from_fork+0x41/0x80
[   32.426118]  ret_from_fork_asm+0x1a/0x30
[   32.426392] 
[   32.426682] The buggy address belongs to the object at ffff88810299ad00
[   32.426682]  which belongs to the cache kmalloc-128 of size 128
[   32.427957] The buggy address is located 0 bytes to the right of
[   32.427957]  allocated 120-byte region [ffff88810299ad00, ffff88810299ad78)
[   32.428766] 
[   32.428986] The buggy address belongs to the physical page:
[   32.429727] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10299a
[   32.430622] flags: 0x200000000000000(node=0|zone=2)
[   32.431234] page_type: f5(slab)
[   32.431793] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   32.432710] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   32.433494] page dumped because: kasan: bad access detected
[   32.434318] 
[   32.434735] Memory state around the buggy address:
[   32.435121]  ffff88810299ac00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
[   32.436025]  ffff88810299ac80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   32.436963] >ffff88810299ad00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   32.438164]                                                                 ^
[   32.438623]  ffff88810299ad80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   32.439287]  ffff88810299ae00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   32.440128] ==================================================================
[   32.441745] ==================================================================
[   32.442971] BUG: KASAN: slab-out-of-bounds in copy_to_kernel_nofault+0x99/0x260
[   32.443757] Write of size 8 at addr ffff88810299ad78 by task kunit_try_catch/290
[   32.444732] 
[   32.445421] CPU: 0 UID: 0 PID: 290 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc1-next-20241203 #1
[   32.446535] Tainted: [B]=BAD_PAGE, [N]=TEST
[   32.446921] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   32.447959] Call Trace:
[   32.448181]  <TASK>
[   32.448643]  dump_stack_lvl+0x73/0xb0
[   32.449107]  print_report+0xd1/0x640
[   32.449545]  ? __virt_addr_valid+0x1db/0x2d0
[   32.450243]  ? kasan_complete_mode_report_info+0x2a/0x200
[   32.450647]  kasan_report+0x102/0x140
[   32.451917]  ? copy_to_kernel_nofault+0x99/0x260
[   32.452413]  ? copy_to_kernel_nofault+0x99/0x260
[   32.453076]  kasan_check_range+0x10c/0x1c0
[   32.453426]  __kasan_check_write+0x18/0x20
[   32.453970]  copy_to_kernel_nofault+0x99/0x260
[   32.454428]  copy_to_kernel_nofault_oob+0x214/0x4e0
[   32.455150]  ? __pfx_copy_to_kernel_nofault_oob+0x10/0x10
[   32.455599]  ? finish_task_switch.isra.0+0x153/0x700
[   32.455918]  ? __schedule+0xc3e/0x2790
[   32.456810]  ? trace_hardirqs_on+0x37/0xe0
[   32.457457]  ? __pfx_read_tsc+0x10/0x10
[   32.458247]  ? ktime_get_ts64+0x86/0x230
[   32.458812]  kunit_try_run_case+0x1b3/0x490
[   32.459257]  ? __pfx_kunit_try_run_case+0x10/0x10
[   32.460104]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   32.460782]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   32.461154]  ? __kthread_parkme+0x82/0x160
[   32.461515]  ? preempt_count_sub+0x50/0x80
[   32.462608]  ? __pfx_kunit_try_run_case+0x10/0x10
[   32.463294]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   32.463985]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   32.464766]  kthread+0x257/0x310
[   32.465152]  ? __pfx_kthread+0x10/0x10
[   32.465782]  ret_from_fork+0x41/0x80
[   32.466325]  ? __pfx_kthread+0x10/0x10
[   32.466560]  ret_from_fork_asm+0x1a/0x30
[   32.467511]  </TASK>
[   32.468031] 
[   32.468218] Allocated by task 290:
[   32.468580]  kasan_save_stack+0x3d/0x60
[   32.469737]  kasan_save_track+0x18/0x40
[   32.470072]  kasan_save_alloc_info+0x3b/0x50
[   32.470619]  __kasan_kmalloc+0xb7/0xc0
[   32.470883]  __kmalloc_cache_noprof+0x184/0x410
[   32.471299]  copy_to_kernel_nofault_oob+0xc5/0x4e0
[   32.472234]  kunit_try_run_case+0x1b3/0x490
[   32.472501]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   32.472769]  kthread+0x257/0x310
[   32.473697]  ret_from_fork+0x41/0x80
[   32.474322]  ret_from_fork_asm+0x1a/0x30
[   32.474986] 
[   32.475195] The buggy address belongs to the object at ffff88810299ad00
[   32.475195]  which belongs to the cache kmalloc-128 of size 128
[   32.477270] The buggy address is located 0 bytes to the right of
[   32.477270]  allocated 120-byte region [ffff88810299ad00, ffff88810299ad78)
[   32.478246] 
[   32.478482] The buggy address belongs to the physical page:
[   32.479412] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10299a
[   32.480270] flags: 0x200000000000000(node=0|zone=2)
[   32.481220] page_type: f5(slab)
[   32.481844] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   32.482913] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   32.483389] page dumped because: kasan: bad access detected
[   32.483771] 
[   32.483981] Memory state around the buggy address:
[   32.484403]  ffff88810299ac00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   32.484955]  ffff88810299ac80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   32.485745] >ffff88810299ad00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   32.486686]                                                                 ^
[   32.487721]  ffff88810299ad80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   32.488546]  ffff88810299ae00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   32.489532] ==================================================================