Hay
Date
June 2, 2025, 2:13 p.m.

Environment
qemu-arm64
qemu-x86_64

[   18.739116] ==================================================================
[   18.739872] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0
[   18.740773] Write of size 128 at addr fff00000c5a72900 by task kunit_try_catch/160
[   18.741914] 
[   18.742395] CPU: 1 UID: 0 PID: 160 Comm: kunit_try_catch Tainted: G    B            N 6.14.10-rc1 #1
[   18.742604] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.742660] Hardware name: linux,dummy-virt (DT)
[   18.742729] Call trace:
[   18.742774]  show_stack+0x20/0x38 (C)
[   18.742895]  dump_stack_lvl+0x8c/0xd0
[   18.742988]  print_report+0x118/0x608
[   18.743085]  kasan_report+0xdc/0x128
[   18.743405]  kasan_check_range+0x100/0x1a8
[   18.743474]  __asan_memset+0x34/0x78
[   18.743523]  kmalloc_oob_in_memset+0x144/0x2d0
[   18.743574]  kunit_try_run_case+0x170/0x3f0
[   18.743627]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.743682]  kthread+0x318/0x620
[   18.743732]  ret_from_fork+0x10/0x20
[   18.743786] 
[   18.749580] Allocated by task 160:
[   18.749876]  kasan_save_stack+0x3c/0x68
[   18.750781]  kasan_save_track+0x20/0x40
[   18.751427]  kasan_save_alloc_info+0x40/0x58
[   18.751849]  __kasan_kmalloc+0xd4/0xd8
[   18.752440]  __kmalloc_cache_noprof+0x16c/0x3c0
[   18.753025]  kmalloc_oob_in_memset+0xb0/0x2d0
[   18.753539]  kunit_try_run_case+0x170/0x3f0
[   18.753879]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.754558]  kthread+0x318/0x620
[   18.755115]  ret_from_fork+0x10/0x20
[   18.755715] 
[   18.756127] The buggy address belongs to the object at fff00000c5a72900
[   18.756127]  which belongs to the cache kmalloc-128 of size 128
[   18.757081] The buggy address is located 0 bytes inside of
[   18.757081]  allocated 120-byte region [fff00000c5a72900, fff00000c5a72978)
[   18.758612] 
[   18.759089] The buggy address belongs to the physical page:
[   18.759482] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a72
[   18.759759] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   18.759964] page_type: f5(slab)
[   18.760113] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   18.760360] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   18.760572] page dumped because: kasan: bad access detected
[   18.760745] 
[   18.760842] Memory state around the buggy address:
[   18.761001]  fff00000c5a72800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   18.761274]  fff00000c5a72880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.761594] >fff00000c5a72900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   18.761918]                                                                 ^
[   18.762265]  fff00000c5a72980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.762853]  fff00000c5a72a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.763423] ==================================================================

[   12.744757] ==================================================================
[   12.745206] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x160/0x320
[   12.745496] Write of size 128 at addr ffff888101bd1900 by task kunit_try_catch/178
[   12.745885] 
[   12.746000] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G    B            N 6.14.10-rc1 #1
[   12.746051] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.746062] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.746082] Call Trace:
[   12.746094]  <TASK>
[   12.746110]  dump_stack_lvl+0x73/0xb0
[   12.746134]  print_report+0xd1/0x650
[   12.746155]  ? __virt_addr_valid+0x1db/0x2d0
[   12.746177]  ? kmalloc_oob_in_memset+0x160/0x320
[   12.746197]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.746221]  ? kmalloc_oob_in_memset+0x160/0x320
[   12.746242]  kasan_report+0x140/0x180
[   12.746262]  ? kmalloc_oob_in_memset+0x160/0x320
[   12.746288]  kasan_check_range+0x10c/0x1c0
[   12.746312]  __asan_memset+0x27/0x50
[   12.746335]  kmalloc_oob_in_memset+0x160/0x320
[   12.746357]  ? __pfx_kmalloc_oob_in_memset+0x10/0x10
[   12.746381]  ? __pfx_kmalloc_oob_in_memset+0x10/0x10
[   12.746406]  kunit_try_run_case+0x1a6/0x480
[   12.746429]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.746450]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   12.746474]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.746498]  ? __kthread_parkme+0x82/0x160
[   12.746519]  ? preempt_count_sub+0x50/0x80
[   12.746544]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.746568]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.746596]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.746621]  kthread+0x324/0x6e0
[   12.746641]  ? trace_preempt_on+0x20/0xc0
[   12.746663]  ? __pfx_kthread+0x10/0x10
[   12.746685]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.746706]  ? calculate_sigpending+0x7b/0xa0
[   12.746727]  ? __pfx_kthread+0x10/0x10
[   12.746748]  ret_from_fork+0x41/0x80
[   12.746766]  ? __pfx_kthread+0x10/0x10
[   12.746788]  ret_from_fork_asm+0x1a/0x30
[   12.746818]  </TASK>
[   12.746828] 
[   12.753217] Allocated by task 178:
[   12.753353]  kasan_save_stack+0x45/0x70
[   12.753551]  kasan_save_track+0x18/0x40
[   12.753750]  kasan_save_alloc_info+0x3b/0x50
[   12.753958]  __kasan_kmalloc+0xb7/0xc0
[   12.754165]  __kmalloc_cache_noprof+0x18a/0x420
[   12.754392]  kmalloc_oob_in_memset+0xad/0x320
[   12.754685]  kunit_try_run_case+0x1a6/0x480
[   12.754895]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.755130]  kthread+0x324/0x6e0
[   12.755250]  ret_from_fork+0x41/0x80
[   12.755430]  ret_from_fork_asm+0x1a/0x30
[   12.755904] 
[   12.756027] The buggy address belongs to the object at ffff888101bd1900
[   12.756027]  which belongs to the cache kmalloc-128 of size 128
[   12.756507] The buggy address is located 0 bytes inside of
[   12.756507]  allocated 120-byte region [ffff888101bd1900, ffff888101bd1978)
[   12.757006] 
[   12.757089] The buggy address belongs to the physical page:
[   12.757613] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101bd1
[   12.757953] flags: 0x200000000000000(node=0|zone=2)
[   12.758167] page_type: f5(slab)
[   12.758340] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   12.759706] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   12.760056] page dumped because: kasan: bad access detected
[   12.760291] 
[   12.760372] Memory state around the buggy address:
[   12.760935]  ffff888101bd1800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.761233]  ffff888101bd1880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.761534] >ffff888101bd1900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   12.761904]                                                                 ^
[   12.762218]  ffff888101bd1980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.762509]  ffff888101bd1a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.763308] ==================================================================