Hay
Date
June 3, 2025, 7:38 a.m.

Environment
qemu-arm64
qemu-x86_64
x86

[   18.319382] ==================================================================
[   18.319551] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8
[   18.319642] Write of size 16 at addr fff00000c4473b40 by task kunit_try_catch/166
[   18.319702] 
[   18.319735] CPU: 1 UID: 0 PID: 166 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250603 #1 PREEMPT 
[   18.319831] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.319894] Hardware name: linux,dummy-virt (DT)
[   18.319934] Call trace:
[   18.319957]  show_stack+0x20/0x38 (C)
[   18.320006]  dump_stack_lvl+0x8c/0xd0
[   18.320073]  print_report+0x118/0x608
[   18.320121]  kasan_report+0xdc/0x128
[   18.320167]  __asan_report_store16_noabort+0x20/0x30
[   18.320224]  kmalloc_oob_16+0x3a0/0x3f8
[   18.320283]  kunit_try_run_case+0x170/0x3f0
[   18.320330]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.320401]  kthread+0x328/0x630
[   18.320468]  ret_from_fork+0x10/0x20
[   18.320526] 
[   18.320549] Allocated by task 166:
[   18.320577]  kasan_save_stack+0x3c/0x68
[   18.320630]  kasan_save_track+0x20/0x40
[   18.320667]  kasan_save_alloc_info+0x40/0x58
[   18.320701]  __kasan_kmalloc+0xd4/0xd8
[   18.320751]  __kmalloc_cache_noprof+0x16c/0x3c0
[   18.320789]  kmalloc_oob_16+0xb4/0x3f8
[   18.320828]  kunit_try_run_case+0x170/0x3f0
[   18.320866]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.320907]  kthread+0x328/0x630
[   18.320947]  ret_from_fork+0x10/0x20
[   18.320980] 
[   18.320999] The buggy address belongs to the object at fff00000c4473b40
[   18.320999]  which belongs to the cache kmalloc-16 of size 16
[   18.321063] The buggy address is located 0 bytes inside of
[   18.321063]  allocated 13-byte region [fff00000c4473b40, fff00000c4473b4d)
[   18.321122] 
[   18.321141] The buggy address belongs to the physical page:
[   18.321188] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104473
[   18.321247] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   18.321310] page_type: f5(slab)
[   18.321357] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000
[   18.321413] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   18.322008] page dumped because: kasan: bad access detected
[   18.322114] 
[   18.322155] Memory state around the buggy address:
[   18.322266]  fff00000c4473a00: fa fb fc fc fa fb fc fc 00 02 fc fc fa fb fc fc
[   18.322339]  fff00000c4473a80: fa fb fc fc 00 01 fc fc fa fb fc fc fa fb fc fc
[   18.322400] >fff00000c4473b00: fa fb fc fc fa fb fc fc 00 05 fc fc 00 00 fc fc
[   18.322488]                                               ^
[   18.322543]  fff00000c4473b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.322634]  fff00000c4473c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.322704] ==================================================================


[   14.442491] ==================================================================
[   14.443118] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0
[   14.444174] Write of size 16 at addr ffff888101c20600 by task kunit_try_catch/183
[   14.444937] 
[   14.445364] CPU: 1 UID: 0 PID: 183 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250603 #1 PREEMPT(voluntary) 
[   14.445487] Tainted: [B]=BAD_PAGE, [N]=TEST
[   14.445518] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   14.445563] Call Trace:
[   14.445592]  <TASK>
[   14.445633]  dump_stack_lvl+0x73/0xb0
[   14.445716]  print_report+0xd1/0x650
[   14.445767]  ? __virt_addr_valid+0x1db/0x2d0
[   14.445816]  ? kmalloc_oob_16+0x452/0x4a0
[   14.445853]  ? kasan_complete_mode_report_info+0x2a/0x200
[   14.445882]  ? kmalloc_oob_16+0x452/0x4a0
[   14.445904]  kasan_report+0x141/0x180
[   14.445926]  ? kmalloc_oob_16+0x452/0x4a0
[   14.445953]  __asan_report_store16_noabort+0x1b/0x30
[   14.445974]  kmalloc_oob_16+0x452/0x4a0
[   14.445996]  ? __pfx_kmalloc_oob_16+0x10/0x10
[   14.446020]  ? __schedule+0x10cc/0x2b60
[   14.446046]  ? __pfx_read_tsc+0x10/0x10
[   14.446070]  ? ktime_get_ts64+0x86/0x230
[   14.446098]  kunit_try_run_case+0x1a5/0x480
[   14.446124]  ? __pfx_kunit_try_run_case+0x10/0x10
[   14.446144]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   14.446170]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   14.446195]  ? __kthread_parkme+0x82/0x180
[   14.446218]  ? preempt_count_sub+0x50/0x80
[   14.446243]  ? __pfx_kunit_try_run_case+0x10/0x10
[   14.446265]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   14.446290]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   14.446315]  kthread+0x337/0x6f0
[   14.446335]  ? trace_preempt_on+0x20/0xc0
[   14.446361]  ? __pfx_kthread+0x10/0x10
[   14.446383]  ? _raw_spin_unlock_irq+0x47/0x80
[   14.446406]  ? calculate_sigpending+0x7b/0xa0
[   14.446431]  ? __pfx_kthread+0x10/0x10
[   14.446473]  ret_from_fork+0x116/0x1d0
[   14.446531]  ? __pfx_kthread+0x10/0x10
[   14.446555]  ret_from_fork_asm+0x1a/0x30
[   14.446589]  </TASK>
[   14.446603] 
[   14.459870] Allocated by task 183:
[   14.460299]  kasan_save_stack+0x45/0x70
[   14.462753]  kasan_save_track+0x18/0x40
[   14.463013]  kasan_save_alloc_info+0x3b/0x50
[   14.463207]  __kasan_kmalloc+0xb7/0xc0
[   14.463397]  __kmalloc_cache_noprof+0x189/0x420
[   14.463677]  kmalloc_oob_16+0xa8/0x4a0
[   14.463998]  kunit_try_run_case+0x1a5/0x480
[   14.464299]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   14.466058]  kthread+0x337/0x6f0
[   14.466433]  ret_from_fork+0x116/0x1d0
[   14.466874]  ret_from_fork_asm+0x1a/0x30
[   14.467055] 
[   14.467156] The buggy address belongs to the object at ffff888101c20600
[   14.467156]  which belongs to the cache kmalloc-16 of size 16
[   14.467594] The buggy address is located 0 bytes inside of
[   14.467594]  allocated 13-byte region [ffff888101c20600, ffff888101c2060d)
[   14.468085] 
[   14.468632] The buggy address belongs to the physical page:
[   14.470055] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101c20
[   14.470841] flags: 0x200000000000000(node=0|zone=2)
[   14.471170] page_type: f5(slab)
[   14.471490] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000
[   14.472200] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   14.472551] page dumped because: kasan: bad access detected
[   14.472915] 
[   14.473045] Memory state around the buggy address:
[   14.473463]  ffff888101c20500: fa fb fc fc fa fb fc fc fa fb fc fc 00 01 fc fc
[   14.474838]  ffff888101c20580: 00 01 fc fc fa fb fc fc 00 05 fc fc fa fb fc fc
[   14.475531] >ffff888101c20600: 00 05 fc fc 00 00 fc fc fc fc fc fc fc fc fc fc
[   14.477169]                       ^
[   14.481786]  ffff888101c20680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   14.482353]  ffff888101c20700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   14.482781] ==================================================================


[   27.026253] ==================================================================
[   27.036891] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0
[   27.043598] Write of size 16 at addr ffff888100aa5480 by task kunit_try_catch/206
[   27.051085] 
[   27.052588] CPU: 1 UID: 0 PID: 206 Comm: kunit_try_catch Tainted: G S  B            N  6.15.0-next-20250603 #1 PREEMPT(voluntary) 
[   27.052597] Tainted: [S]=CPU_OUT_OF_SPEC, [B]=BAD_PAGE, [N]=TEST
[   27.052600] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.7 12/07/2021
[   27.052603] Call Trace:
[   27.052605]  <TASK>
[   27.052606]  dump_stack_lvl+0x73/0xb0
[   27.052610]  print_report+0xd1/0x650
[   27.052614]  ? __virt_addr_valid+0x1db/0x2d0
[   27.052618]  ? kmalloc_oob_16+0x452/0x4a0
[   27.052622]  ? kasan_complete_mode_report_info+0x2a/0x200
[   27.052626]  ? kmalloc_oob_16+0x452/0x4a0
[   27.052630]  kasan_report+0x141/0x180
[   27.052634]  ? kmalloc_oob_16+0x452/0x4a0
[   27.052639]  __asan_report_store16_noabort+0x1b/0x30
[   27.052643]  kmalloc_oob_16+0x452/0x4a0
[   27.052647]  ? __pfx_kmalloc_oob_16+0x10/0x10
[   27.052651]  ? __schedule+0x10cc/0x2b60
[   27.052655]  ? ktime_get_ts64+0x83/0x230
[   27.052659]  kunit_try_run_case+0x1a2/0x480
[   27.052663]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.052666]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   27.052671]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   27.052675]  ? __kthread_parkme+0x82/0x180
[   27.052679]  ? preempt_count_sub+0x50/0x80
[   27.052683]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.052686]  kunit_generic_run_threadfn_adapter+0x82/0xf0
[   27.052691]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   27.052696]  kthread+0x334/0x6f0
[   27.052699]  ? trace_preempt_on+0x20/0xc0
[   27.052703]  ? __pfx_kthread+0x10/0x10
[   27.052707]  ? _raw_spin_unlock_irq+0x47/0x80
[   27.052711]  ? calculate_sigpending+0x7b/0xa0
[   27.052715]  ? __pfx_kthread+0x10/0x10
[   27.052719]  ret_from_fork+0x113/0x1d0
[   27.052722]  ? __pfx_kthread+0x10/0x10
[   27.052726]  ret_from_fork_asm+0x1a/0x30
[   27.052731]  </TASK>
[   27.052733] 
[   27.217310] Allocated by task 206:
[   27.220715]  kasan_save_stack+0x45/0x70
[   27.224556]  kasan_save_track+0x18/0x40
[   27.228395]  kasan_save_alloc_info+0x3b/0x50
[   27.232692]  __kasan_kmalloc+0xb7/0xc0
[   27.236447]  __kmalloc_cache_noprof+0x189/0x420
[   27.240979]  kmalloc_oob_16+0xa8/0x4a0
[   27.244738]  kunit_try_run_case+0x1a2/0x480
[   27.248926]  kunit_generic_run_threadfn_adapter+0x82/0xf0
[   27.254326]  kthread+0x334/0x6f0
[   27.257556]  ret_from_fork+0x113/0x1d0
[   27.261309]  ret_from_fork_asm+0x1a/0x30
[   27.265235] 
[   27.266736] The buggy address belongs to the object at ffff888100aa5480
[   27.266736]  which belongs to the cache kmalloc-16 of size 16
[   27.279078] The buggy address is located 0 bytes inside of
[   27.279078]  allocated 13-byte region [ffff888100aa5480, ffff888100aa548d)
[   27.291430] 
[   27.292925] The buggy address belongs to the physical page:
[   27.298498] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x100aa5
[   27.306506] flags: 0x200000000000000(node=0|zone=2)
[   27.311386] page_type: f5(slab)
[   27.314533] raw: 0200000000000000 ffff888100042640 dead000000000122 0000000000000000
[   27.322281] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   27.330026] page dumped because: kasan: bad access detected
[   27.335598] 
[   27.337098] Memory state around the buggy address:
[   27.341893]  ffff888100aa5380: fa fb fc fc fa fb fc fc 00 06 fc fc 00 06 fc fc
[   27.349118]  ffff888100aa5400: 00 06 fc fc 00 00 fc fc 00 05 fc fc fa fb fc fc
[   27.356338] >ffff888100aa5480: 00 05 fc fc 00 00 fc fc fc fc fc fc fc fc fc fc
[   27.363584]                       ^
[   27.367076]  ffff888100aa5500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.374296]  ffff888100aa5580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.381515] ==================================================================