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

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

[   17.780879] ==================================================================
[   17.780995] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8
[   17.781098] Write of size 16 at addr fff00000c62d4b69 by task kunit_try_catch/180
[   17.781209] 
[   17.781282] CPU: 1 UID: 0 PID: 180 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   17.781479] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.781812] Hardware name: linux,dummy-virt (DT)
[   17.781916] Call trace:
[   17.781966]  show_stack+0x20/0x38 (C)
[   17.782082]  dump_stack_lvl+0x8c/0xd0
[   17.782296]  print_report+0x118/0x608
[   17.782398]  kasan_report+0xdc/0x128
[   17.782492]  kasan_check_range+0x100/0x1a8
[   17.782599]  __asan_memset+0x34/0x78
[   17.782693]  kmalloc_oob_memset_16+0x150/0x2f8
[   17.782802]  kunit_try_run_case+0x170/0x3f0
[   17.782910]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.783025]  kthread+0x328/0x630
[   17.783120]  ret_from_fork+0x10/0x20
[   17.783225] 
[   17.783265] Allocated by task 180:
[   17.783359]  kasan_save_stack+0x3c/0x68
[   17.783435]  kasan_save_track+0x20/0x40
[   17.783510]  kasan_save_alloc_info+0x40/0x58
[   17.783673]  __kasan_kmalloc+0xd4/0xd8
[   17.783758]  __kmalloc_cache_noprof+0x15c/0x3c0
[   17.783831]  kmalloc_oob_memset_16+0xb0/0x2f8
[   17.783911]  kunit_try_run_case+0x170/0x3f0
[   17.783985]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.784111]  kthread+0x328/0x630
[   17.784198]  ret_from_fork+0x10/0x20
[   17.784268] 
[   17.784313] The buggy address belongs to the object at fff00000c62d4b00
[   17.784313]  which belongs to the cache kmalloc-128 of size 128
[   17.784441] The buggy address is located 105 bytes inside of
[   17.784441]  allocated 120-byte region [fff00000c62d4b00, fff00000c62d4b78)
[   17.784620] 
[   17.784666] The buggy address belongs to the physical page:
[   17.784761] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1062d4
[   17.784884] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   17.784987] page_type: f5(slab)
[   17.785055] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   17.785144] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   17.785243] page dumped because: kasan: bad access detected
[   17.785309] 
[   17.785348] Memory state around the buggy address:
[   17.785460]  fff00000c62d4a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   17.785574]  fff00000c62d4a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.785656] >fff00000c62d4b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   17.785728]                                                                 ^
[   17.785799]  fff00000c62d4b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.785869]  fff00000c62d4c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.785946] ==================================================================

[   18.272340] ==================================================================
[   18.273436] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330
[   18.274312] Write of size 16 at addr ffff888102968e69 by task kunit_try_catch/198
[   18.275393] 
[   18.275971] CPU: 1 UID: 0 PID: 198 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   18.276112] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.276143] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   18.276196] Call Trace:
[   18.276238]  <TASK>
[   18.276285]  dump_stack_lvl+0x73/0xb0
[   18.276364]  print_report+0xd1/0x650
[   18.276451]  ? __virt_addr_valid+0x1db/0x2d0
[   18.276603]  ? kmalloc_oob_memset_16+0x166/0x330
[   18.276638]  ? kasan_complete_mode_report_info+0x2a/0x200
[   18.276668]  ? kmalloc_oob_memset_16+0x166/0x330
[   18.276699]  kasan_report+0x141/0x180
[   18.276729]  ? kmalloc_oob_memset_16+0x166/0x330
[   18.276767]  kasan_check_range+0x10c/0x1c0
[   18.276801]  __asan_memset+0x27/0x50
[   18.276827]  kmalloc_oob_memset_16+0x166/0x330
[   18.276858]  ? __pfx_kmalloc_oob_memset_16+0x10/0x10
[   18.276890]  ? __schedule+0x10cc/0x2b30
[   18.276924]  ? __pfx_read_tsc+0x10/0x10
[   18.276951]  ? ktime_get_ts64+0x86/0x230
[   18.276986]  kunit_try_run_case+0x1a5/0x480
[   18.277018]  ? __pfx_kunit_try_run_case+0x10/0x10
[   18.277047]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   18.277079]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   18.277111]  ? __kthread_parkme+0x82/0x180
[   18.277140]  ? preempt_count_sub+0x50/0x80
[   18.277173]  ? __pfx_kunit_try_run_case+0x10/0x10
[   18.277203]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.277233]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   18.277262]  kthread+0x337/0x6f0
[   18.277292]  ? trace_preempt_on+0x20/0xc0
[   18.277323]  ? __pfx_kthread+0x10/0x10
[   18.277352]  ? _raw_spin_unlock_irq+0x47/0x80
[   18.277381]  ? calculate_sigpending+0x7b/0xa0
[   18.277409]  ? __pfx_kthread+0x10/0x10
[   18.277517]  ret_from_fork+0x41/0x80
[   18.277602]  ? __pfx_kthread+0x10/0x10
[   18.277636]  ret_from_fork_asm+0x1a/0x30
[   18.277681]  </TASK>
[   18.277695] 
[   18.298186] Allocated by task 198:
[   18.299075]  kasan_save_stack+0x45/0x70
[   18.299910]  kasan_save_track+0x18/0x40
[   18.300702]  kasan_save_alloc_info+0x3b/0x50
[   18.301079]  __kasan_kmalloc+0xb7/0xc0
[   18.301394]  __kmalloc_cache_noprof+0x189/0x420
[   18.302284]  kmalloc_oob_memset_16+0xac/0x330
[   18.302943]  kunit_try_run_case+0x1a5/0x480
[   18.303274]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.304391]  kthread+0x337/0x6f0
[   18.304676]  ret_from_fork+0x41/0x80
[   18.305709]  ret_from_fork_asm+0x1a/0x30
[   18.306314] 
[   18.306586] The buggy address belongs to the object at ffff888102968e00
[   18.306586]  which belongs to the cache kmalloc-128 of size 128
[   18.308241] The buggy address is located 105 bytes inside of
[   18.308241]  allocated 120-byte region [ffff888102968e00, ffff888102968e78)
[   18.309478] 
[   18.310149] The buggy address belongs to the physical page:
[   18.310593] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102968
[   18.311831] flags: 0x200000000000000(node=0|zone=2)
[   18.312249] page_type: f5(slab)
[   18.312834] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   18.313436] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   18.314137] page dumped because: kasan: bad access detected
[   18.314788] 
[   18.314973] Memory state around the buggy address:
[   18.315510]  ffff888102968d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   18.316368]  ffff888102968d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.317101] >ffff888102968e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   18.317900]                                                                 ^
[   18.318597]  ffff888102968e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.319249]  ffff888102968f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.320002] ==================================================================

[   19.865412] ==================================================================
[   19.866462] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8
[   19.867146] Write of size 16 at addr ffff00000e73a369 by task kunit_try_catch/236
[   19.867826] 
[   19.867982] CPU: 2 UID: 0 PID: 236 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   19.868018] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.868030] Hardware name: Radxa ROCK Pi 4B (DT)
[   19.868043] Call trace:
[   19.868052]  show_stack+0x20/0x38 (C)
[   19.868076]  dump_stack_lvl+0x8c/0xd0
[   19.868100]  print_report+0x118/0x608
[   19.868121]  kasan_report+0xdc/0x128
[   19.868141]  kasan_check_range+0x100/0x1a8
[   19.868163]  __asan_memset+0x34/0x78
[   19.868184]  kmalloc_oob_memset_16+0x150/0x2f8
[   19.868209]  kunit_try_run_case+0x170/0x3f0
[   19.868235]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.868264]  kthread+0x328/0x630
[   19.868288]  ret_from_fork+0x10/0x20
[   19.868312] 
[   19.874129] Allocated by task 236:
[   19.874448]  kasan_save_stack+0x3c/0x68
[   19.874810]  kasan_save_track+0x20/0x40
[   19.875170]  kasan_save_alloc_info+0x40/0x58
[   19.875571]  __kasan_kmalloc+0xd4/0xd8
[   19.875922]  __kmalloc_cache_noprof+0x15c/0x3c0
[   19.876349]  kmalloc_oob_memset_16+0xb0/0x2f8
[   19.876759]  kunit_try_run_case+0x170/0x3f0
[   19.877153]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   19.877665]  kthread+0x328/0x630
[   19.877976]  ret_from_fork+0x10/0x20
[   19.878314] 
[   19.878461] The buggy address belongs to the object at ffff00000e73a300
[   19.878461]  which belongs to the cache kmalloc-128 of size 128
[   19.879580] The buggy address is located 105 bytes inside of
[   19.879580]  allocated 120-byte region [ffff00000e73a300, ffff00000e73a378)
[   19.880709] 
[   19.880856] The buggy address belongs to the physical page:
[   19.881363] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xe73a
[   19.882074] flags: 0x3fffe0000000000(node=0|zone=0|lastcpupid=0x1ffff)
[   19.882674] page_type: f5(slab)
[   19.882978] raw: 03fffe0000000000 ffff000000402a00 dead000000000122 0000000000000000
[   19.883682] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   19.884378] page dumped because: kasan: bad access detected
[   19.884884] 
[   19.885031] Memory state around the buggy address:
[   19.885469]  ffff00000e73a200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   19.886123]  ffff00000e73a280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.886778] >ffff00000e73a300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   19.887429]                                                                 ^
[   19.888075]  ffff00000e73a380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.888729]  ffff00000e73a400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.889380] ==================================================================