Hay
Date
April 22, 2025, 11:09 a.m.

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

[   17.712970] ==================================================================
[   17.713151] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0
[   17.713303] Write of size 128 at addr fff00000c62d4700 by task kunit_try_catch/172
[   17.713453] 
[   17.713559] CPU: 1 UID: 0 PID: 172 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   17.713722] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.713782] Hardware name: linux,dummy-virt (DT)
[   17.713851] Call trace:
[   17.713898]  show_stack+0x20/0x38 (C)
[   17.714077]  dump_stack_lvl+0x8c/0xd0
[   17.714291]  print_report+0x118/0x608
[   17.714563]  kasan_report+0xdc/0x128
[   17.714850]  kasan_check_range+0x100/0x1a8
[   17.715006]  __asan_memset+0x34/0x78
[   17.715099]  kmalloc_oob_in_memset+0x144/0x2d0
[   17.715192]  kunit_try_run_case+0x170/0x3f0
[   17.715627]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.715754]  kthread+0x328/0x630
[   17.715859]  ret_from_fork+0x10/0x20
[   17.715961] 
[   17.716176] Allocated by task 172:
[   17.716269]  kasan_save_stack+0x3c/0x68
[   17.716360]  kasan_save_track+0x20/0x40
[   17.716443]  kasan_save_alloc_info+0x40/0x58
[   17.716541]  __kasan_kmalloc+0xd4/0xd8
[   17.716651]  __kmalloc_cache_noprof+0x15c/0x3c0
[   17.716761]  kmalloc_oob_in_memset+0xb0/0x2d0
[   17.716861]  kunit_try_run_case+0x170/0x3f0
[   17.716955]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.717080]  kthread+0x328/0x630
[   17.717155]  ret_from_fork+0x10/0x20
[   17.717493] 
[   17.717548] The buggy address belongs to the object at fff00000c62d4700
[   17.717548]  which belongs to the cache kmalloc-128 of size 128
[   17.717722] The buggy address is located 0 bytes inside of
[   17.717722]  allocated 120-byte region [fff00000c62d4700, fff00000c62d4778)
[   17.717912] 
[   17.717956] The buggy address belongs to the physical page:
[   17.718024] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1062d4
[   17.718150] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   17.718258] page_type: f5(slab)
[   17.718342] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   17.718474] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   17.718609] page dumped because: kasan: bad access detected
[   17.718709] 
[   17.718760] Memory state around the buggy address:
[   17.718856]  fff00000c62d4600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   17.718984]  fff00000c62d4680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.719111] >fff00000c62d4700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   17.719226]                                                                 ^
[   17.719405]  fff00000c62d4780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.719491]  fff00000c62d4800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.719581] ==================================================================

[   18.075903] ==================================================================
[   18.077096] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320
[   18.077793] Write of size 128 at addr ffff888103199800 by task kunit_try_catch/190
[   18.078398] 
[   18.079124] CPU: 0 UID: 0 PID: 190 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   18.079250] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.079288] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   18.079346] Call Trace:
[   18.079385]  <TASK>
[   18.079518]  dump_stack_lvl+0x73/0xb0
[   18.079608]  print_report+0xd1/0x650
[   18.079680]  ? __virt_addr_valid+0x1db/0x2d0
[   18.079754]  ? kmalloc_oob_in_memset+0x15f/0x320
[   18.079824]  ? kasan_complete_mode_report_info+0x2a/0x200
[   18.079902]  ? kmalloc_oob_in_memset+0x15f/0x320
[   18.079979]  kasan_report+0x141/0x180
[   18.080017]  ? kmalloc_oob_in_memset+0x15f/0x320
[   18.080059]  kasan_check_range+0x10c/0x1c0
[   18.080094]  __asan_memset+0x27/0x50
[   18.080122]  kmalloc_oob_in_memset+0x15f/0x320
[   18.080155]  ? __pfx_kmalloc_oob_in_memset+0x10/0x10
[   18.080192]  ? __pfx_kmalloc_oob_in_memset+0x10/0x10
[   18.080229]  kunit_try_run_case+0x1a5/0x480
[   18.080266]  ? __pfx_kunit_try_run_case+0x10/0x10
[   18.080297]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   18.080332]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   18.080366]  ? __kthread_parkme+0x82/0x180
[   18.080397]  ? preempt_count_sub+0x50/0x80
[   18.080459]  ? __pfx_kunit_try_run_case+0x10/0x10
[   18.080561]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.080606]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   18.080638]  kthread+0x337/0x6f0
[   18.080671]  ? trace_preempt_on+0x20/0xc0
[   18.080707]  ? __pfx_kthread+0x10/0x10
[   18.080739]  ? _raw_spin_unlock_irq+0x47/0x80
[   18.080771]  ? calculate_sigpending+0x7b/0xa0
[   18.080802]  ? __pfx_kthread+0x10/0x10
[   18.080833]  ret_from_fork+0x41/0x80
[   18.080865]  ? __pfx_kthread+0x10/0x10
[   18.080895]  ret_from_fork_asm+0x1a/0x30
[   18.080939]  </TASK>
[   18.080953] 
[   18.103253] Allocated by task 190:
[   18.103765]  kasan_save_stack+0x45/0x70
[   18.104239]  kasan_save_track+0x18/0x40
[   18.104608]  kasan_save_alloc_info+0x3b/0x50
[   18.105026]  __kasan_kmalloc+0xb7/0xc0
[   18.105444]  __kmalloc_cache_noprof+0x189/0x420
[   18.106000]  kmalloc_oob_in_memset+0xac/0x320
[   18.106374]  kunit_try_run_case+0x1a5/0x480
[   18.107802]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.108346]  kthread+0x337/0x6f0
[   18.108886]  ret_from_fork+0x41/0x80
[   18.109286]  ret_from_fork_asm+0x1a/0x30
[   18.109808] 
[   18.110043] The buggy address belongs to the object at ffff888103199800
[   18.110043]  which belongs to the cache kmalloc-128 of size 128
[   18.110990] The buggy address is located 0 bytes inside of
[   18.110990]  allocated 120-byte region [ffff888103199800, ffff888103199878)
[   18.112538] 
[   18.112760] The buggy address belongs to the physical page:
[   18.113398] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103199
[   18.114157] flags: 0x200000000000000(node=0|zone=2)
[   18.114649] page_type: f5(slab)
[   18.115030] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   18.115929] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   18.116773] page dumped because: kasan: bad access detected
[   18.117244] 
[   18.117601] Memory state around the buggy address:
[   18.118076]  ffff888103199700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   18.119601]  ffff888103199780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.120290] >ffff888103199800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   18.121004]                                                                 ^
[   18.121550]  ffff888103199880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.122250]  ffff888103199900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.122907] ==================================================================

[   19.750798] ==================================================================
[   19.751835] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0
[   19.752533] Write of size 128 at addr ffff00000c98e600 by task kunit_try_catch/228
[   19.753232] 
[   19.753396] CPU: 1 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   19.753444] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.753461] Hardware name: Radxa ROCK Pi 4B (DT)
[   19.753479] Call trace:
[   19.753492]  show_stack+0x20/0x38 (C)
[   19.753524]  dump_stack_lvl+0x8c/0xd0
[   19.753556]  print_report+0x118/0x608
[   19.753586]  kasan_report+0xdc/0x128
[   19.753614]  kasan_check_range+0x100/0x1a8
[   19.753645]  __asan_memset+0x34/0x78
[   19.753675]  kmalloc_oob_in_memset+0x144/0x2d0
[   19.753709]  kunit_try_run_case+0x170/0x3f0
[   19.753745]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.753792]  kthread+0x328/0x630
[   19.753839]  ret_from_fork+0x10/0x20
[   19.753880] 
[   19.759786] Allocated by task 228:
[   19.760122]  kasan_save_stack+0x3c/0x68
[   19.760508]  kasan_save_track+0x20/0x40
[   19.760889]  kasan_save_alloc_info+0x40/0x58
[   19.761311]  __kasan_kmalloc+0xd4/0xd8
[   19.761683]  __kmalloc_cache_noprof+0x15c/0x3c0
[   19.762136]  kmalloc_oob_in_memset+0xb0/0x2d0
[   19.762569]  kunit_try_run_case+0x170/0x3f0
[   19.762985]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.763522]  kthread+0x328/0x630
[   19.763853]  ret_from_fork+0x10/0x20
[   19.764214] 
[   19.764372] The buggy address belongs to the object at ffff00000c98e600
[   19.764372]  which belongs to the cache kmalloc-128 of size 128
[   19.765516] The buggy address is located 0 bytes inside of
[   19.765516]  allocated 120-byte region [ffff00000c98e600, ffff00000c98e678)
[   19.766655] 
[   19.766815] The buggy address belongs to the physical page:
[   19.767339] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xc98e
[   19.768075] flags: 0x3fffe0000000000(node=0|zone=0|lastcpupid=0x1ffff)
[   19.768695] page_type: f5(slab)
[   19.769017] raw: 03fffe0000000000 ffff000000402a00 dead000000000122 0000000000000000
[   19.769743] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   19.770458] page dumped because: kasan: bad access detected
[   19.770980] 
[   19.771137] Memory state around the buggy address:
[   19.771592]  ffff00000c98e500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   19.772267]  ffff00000c98e580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.772942] >ffff00000c98e600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   19.773611]                                                                 ^
[   19.774275]  ffff00000c98e680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.774951]  ffff00000c98e700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.775621] ==================================================================