Hay
Date
April 20, 2025, 11:09 p.m.

Environment
qemu-arm64
qemu-x86_64
rk3399-rock-pi-4b

[   23.289667] ==================================================================
[   23.289791] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300
[   23.289903] Write of size 4 at addr fff00000c413cf75 by task kunit_try_catch/176
[   23.290071] 
[   23.290147] CPU: 0 UID: 0 PID: 176 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   23.290338] Tainted: [B]=BAD_PAGE, [N]=TEST
[   23.290445] Hardware name: linux,dummy-virt (DT)
[   23.290527] Call trace:
[   23.290580]  show_stack+0x20/0x38 (C)
[   23.290697]  dump_stack_lvl+0x8c/0xd0
[   23.290804]  print_report+0x118/0x608
[   23.290908]  kasan_report+0xdc/0x128
[   23.291032]  kasan_check_range+0x100/0x1a8
[   23.291146]  __asan_memset+0x34/0x78
[   23.291255]  kmalloc_oob_memset_4+0x150/0x300
[   23.291368]  kunit_try_run_case+0x170/0x3f0
[   23.291502]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   23.291704]  kthread+0x328/0x630
[   23.291834]  ret_from_fork+0x10/0x20
[   23.291987] 
[   23.292045] Allocated by task 176:
[   23.292121]  kasan_save_stack+0x3c/0x68
[   23.292234]  kasan_save_track+0x20/0x40
[   23.292350]  kasan_save_alloc_info+0x40/0x58
[   23.293022]  __kasan_kmalloc+0xd4/0xd8
[   23.293247]  __kmalloc_cache_noprof+0x15c/0x3c0
[   23.293350]  kmalloc_oob_memset_4+0xb0/0x300
[   23.293446]  kunit_try_run_case+0x170/0x3f0
[   23.295042]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   23.295420]  kthread+0x328/0x630
[   23.296131]  ret_from_fork+0x10/0x20
[   23.296247] 
[   23.296768] The buggy address belongs to the object at fff00000c413cf00
[   23.296768]  which belongs to the cache kmalloc-128 of size 128
[   23.296905] The buggy address is located 117 bytes inside of
[   23.296905]  allocated 120-byte region [fff00000c413cf00, fff00000c413cf78)
[   23.297785] 
[   23.298677] The buggy address belongs to the physical page:
[   23.298794] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10413c
[   23.299101] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   23.299679] page_type: f5(slab)
[   23.299881] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   23.300096] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   23.300224] page dumped because: kasan: bad access detected
[   23.300304] 
[   23.300371] Memory state around the buggy address:
[   23.300786]  fff00000c413ce00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   23.300913]  fff00000c413ce80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   23.301244] >fff00000c413cf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   23.301422]                                                                 ^
[   23.301559]  fff00000c413cf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   23.301700]  fff00000c413d000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   23.301846] ==================================================================

[   11.608661] ==================================================================
[   11.609076] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x166/0x330
[   11.609374] Write of size 4 at addr ffff888102b31c75 by task kunit_try_catch/194
[   11.609666] 
[   11.609778] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   11.609821] Tainted: [B]=BAD_PAGE, [N]=TEST
[   11.609831] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   11.609850] Call Trace:
[   11.609861]  <TASK>
[   11.609874]  dump_stack_lvl+0x73/0xb0
[   11.609898]  print_report+0xd1/0x650
[   11.609919]  ? __virt_addr_valid+0x1db/0x2d0
[   11.609941]  ? kmalloc_oob_memset_4+0x166/0x330
[   11.609962]  ? kasan_complete_mode_report_info+0x2a/0x200
[   11.609984]  ? kmalloc_oob_memset_4+0x166/0x330
[   11.610006]  kasan_report+0x141/0x180
[   11.610028]  ? kmalloc_oob_memset_4+0x166/0x330
[   11.610055]  kasan_check_range+0x10c/0x1c0
[   11.610078]  __asan_memset+0x27/0x50
[   11.610098]  kmalloc_oob_memset_4+0x166/0x330
[   11.610120]  ? __pfx_kmalloc_oob_memset_4+0x10/0x10
[   11.610145]  ? __pfx_kmalloc_oob_memset_4+0x10/0x10
[   11.610171]  kunit_try_run_case+0x1a5/0x480
[   11.610194]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.610215]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   11.610263]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   11.610286]  ? __kthread_parkme+0x82/0x180
[   11.610307]  ? preempt_count_sub+0x50/0x80
[   11.610343]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.610365]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.610387]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   11.610408]  kthread+0x337/0x6f0
[   11.610428]  ? trace_preempt_on+0x20/0xc0
[   11.610450]  ? __pfx_kthread+0x10/0x10
[   11.610472]  ? _raw_spin_unlock_irq+0x47/0x80
[   11.610493]  ? calculate_sigpending+0x7b/0xa0
[   11.610513]  ? __pfx_kthread+0x10/0x10
[   11.610535]  ret_from_fork+0x41/0x80
[   11.610555]  ? __pfx_kthread+0x10/0x10
[   11.610576]  ret_from_fork_asm+0x1a/0x30
[   11.610607]  </TASK>
[   11.610616] 
[   11.617725] Allocated by task 194:
[   11.617956]  kasan_save_stack+0x45/0x70
[   11.618192]  kasan_save_track+0x18/0x40
[   11.618470]  kasan_save_alloc_info+0x3b/0x50
[   11.618697]  __kasan_kmalloc+0xb7/0xc0
[   11.618868]  __kmalloc_cache_noprof+0x189/0x420
[   11.619018]  kmalloc_oob_memset_4+0xac/0x330
[   11.619162]  kunit_try_run_case+0x1a5/0x480
[   11.619434]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.619680]  kthread+0x337/0x6f0
[   11.620015]  ret_from_fork+0x41/0x80
[   11.620236]  ret_from_fork_asm+0x1a/0x30
[   11.620437] 
[   11.620538] The buggy address belongs to the object at ffff888102b31c00
[   11.620538]  which belongs to the cache kmalloc-128 of size 128
[   11.621040] The buggy address is located 117 bytes inside of
[   11.621040]  allocated 120-byte region [ffff888102b31c00, ffff888102b31c78)
[   11.621566] 
[   11.621668] The buggy address belongs to the physical page:
[   11.621922] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b31
[   11.622225] flags: 0x200000000000000(node=0|zone=2)
[   11.622455] page_type: f5(slab)
[   11.622684] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   11.623002] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   11.623344] page dumped because: kasan: bad access detected
[   11.623725] 
[   11.623820] Memory state around the buggy address:
[   11.623976]  ffff888102b31b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   11.624189]  ffff888102b31b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.624468] >ffff888102b31c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   11.624833]                                                                 ^
[   11.625142]  ffff888102b31c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.625552]  ffff888102b31d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.625758] ==================================================================

[   21.497493] ==================================================================
[   21.498571] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300
[   21.499261] Write of size 4 at addr ffff00000df93575 by task kunit_try_catch/228
[   21.499945] 
[   21.500110] CPU: 2 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   21.500158] Tainted: [B]=BAD_PAGE, [N]=TEST
[   21.500172] Hardware name: Radxa ROCK Pi 4B (DT)
[   21.500189] Call trace:
[   21.500201]  show_stack+0x20/0x38 (C)
[   21.500234]  dump_stack_lvl+0x8c/0xd0
[   21.500265]  print_report+0x118/0x608
[   21.500294]  kasan_report+0xdc/0x128
[   21.500321]  kasan_check_range+0x100/0x1a8
[   21.500352]  __asan_memset+0x34/0x78
[   21.500382]  kmalloc_oob_memset_4+0x150/0x300
[   21.500416]  kunit_try_run_case+0x170/0x3f0
[   21.500451]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   21.500490]  kthread+0x328/0x630
[   21.500524]  ret_from_fork+0x10/0x20
[   21.500556] 
[   21.506409] Allocated by task 228:
[   21.506735]  kasan_save_stack+0x3c/0x68
[   21.507108]  kasan_save_track+0x20/0x40
[   21.507479]  kasan_save_alloc_info+0x40/0x58
[   21.507892]  __kasan_kmalloc+0xd4/0xd8
[   21.508254]  __kmalloc_cache_noprof+0x15c/0x3c0
[   21.508695]  kmalloc_oob_memset_4+0xb0/0x300
[   21.509110]  kunit_try_run_case+0x170/0x3f0
[   21.509516]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   21.510039]  kthread+0x328/0x630
[   21.510362]  ret_from_fork+0x10/0x20
[   21.510711] 
[   21.510866] The buggy address belongs to the object at ffff00000df93500
[   21.510866]  which belongs to the cache kmalloc-128 of size 128
[   21.511999] The buggy address is located 117 bytes inside of
[   21.511999]  allocated 120-byte region [ffff00000df93500, ffff00000df93578)
[   21.513143] 
[   21.513297] The buggy address belongs to the physical page:
[   21.513814] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xdf93
[   21.514541] flags: 0x3fffe0000000000(node=0|zone=0|lastcpupid=0x1ffff)
[   21.515154] page_type: f5(slab)
[   21.515469] raw: 03fffe0000000000 ffff000000402a00 dead000000000122 0000000000000000
[   21.516184] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   21.516892] page dumped because: kasan: bad access detected
[   21.517408] 
[   21.517560] Memory state around the buggy address:
[   21.518009]  ffff00000df93400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   21.518677]  ffff00000df93480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   21.519344] >ffff00000df93500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   21.520006]                                                                 ^
[   21.520663]  ffff00000df93580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   21.521329]  ffff00000df93600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   21.521992] ==================================================================