Hay
Date
July 5, 2025, 11:11 p.m.

Environment
qemu-arm64
qemu-x86_64

[   17.843898] ==================================================================
[   17.844039] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x40c/0x488
[   17.844093] Write of size 1 at addr fff00000c5a07f78 by task kunit_try_catch/142
[   17.844361] 
[   17.844437] CPU: 0 UID: 0 PID: 142 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4 #1 PREEMPT 
[   17.844591] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.844661] Hardware name: linux,dummy-virt (DT)
[   17.844722] Call trace:
[   17.844795]  show_stack+0x20/0x38 (C)
[   17.844914]  dump_stack_lvl+0x8c/0xd0
[   17.845033]  print_report+0x118/0x608
[   17.845078]  kasan_report+0xdc/0x128
[   17.845143]  __asan_report_store1_noabort+0x20/0x30
[   17.845202]  kmalloc_track_caller_oob_right+0x40c/0x488
[   17.845527]  kunit_try_run_case+0x170/0x3f0
[   17.845621]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.845871]  kthread+0x328/0x630
[   17.846074]  ret_from_fork+0x10/0x20
[   17.846345] 
[   17.846482] Allocated by task 142:
[   17.846594]  kasan_save_stack+0x3c/0x68
[   17.846635]  kasan_save_track+0x20/0x40
[   17.846726]  kasan_save_alloc_info+0x40/0x58
[   17.846999]  __kasan_kmalloc+0xd4/0xd8
[   17.847111]  __kmalloc_node_track_caller_noprof+0x194/0x4b8
[   17.847189]  kmalloc_track_caller_oob_right+0xa8/0x488
[   17.847240]  kunit_try_run_case+0x170/0x3f0
[   17.847276]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.847317]  kthread+0x328/0x630
[   17.847357]  ret_from_fork+0x10/0x20
[   17.847401] 
[   17.847426] The buggy address belongs to the object at fff00000c5a07f00
[   17.847426]  which belongs to the cache kmalloc-128 of size 128
[   17.847481] The buggy address is located 0 bytes to the right of
[   17.847481]  allocated 120-byte region [fff00000c5a07f00, fff00000c5a07f78)
[   17.847541] 
[   17.847560] The buggy address belongs to the physical page:
[   17.847588] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a07
[   17.847640] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   17.847685] page_type: f5(slab)
[   17.847730] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   17.847795] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   17.847833] page dumped because: kasan: bad access detected
[   17.847861] 
[   17.847905] Memory state around the buggy address:
[   17.847936]  fff00000c5a07e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   17.847977]  fff00000c5a07e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.848017] >fff00000c5a07f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   17.848052]                                                                 ^
[   17.848347]  fff00000c5a07f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.848417]  fff00000c5a08000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   17.848543] ==================================================================
[   17.849759] ==================================================================
[   17.849807] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x418/0x488
[   17.849893] Write of size 1 at addr fff00000c3ec0078 by task kunit_try_catch/142
[   17.849942] 
[   17.849989] CPU: 0 UID: 0 PID: 142 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4 #1 PREEMPT 
[   17.850066] Tainted: [B]=BAD_PAGE, [N]=TEST
[   17.850378] Hardware name: linux,dummy-virt (DT)
[   17.850463] Call trace:
[   17.850501]  show_stack+0x20/0x38 (C)
[   17.850582]  dump_stack_lvl+0x8c/0xd0
[   17.850666]  print_report+0x118/0x608
[   17.850721]  kasan_report+0xdc/0x128
[   17.850804]  __asan_report_store1_noabort+0x20/0x30
[   17.850889]  kmalloc_track_caller_oob_right+0x418/0x488
[   17.850939]  kunit_try_run_case+0x170/0x3f0
[   17.851015]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.851066]  kthread+0x328/0x630
[   17.851205]  ret_from_fork+0x10/0x20
[   17.851289] 
[   17.851308] Allocated by task 142:
[   17.851334]  kasan_save_stack+0x3c/0x68
[   17.851378]  kasan_save_track+0x20/0x40
[   17.851444]  kasan_save_alloc_info+0x40/0x58
[   17.851689]  __kasan_kmalloc+0xd4/0xd8
[   17.851749]  __kmalloc_node_track_caller_noprof+0x194/0x4b8
[   17.851793]  kmalloc_track_caller_oob_right+0x184/0x488
[   17.851832]  kunit_try_run_case+0x170/0x3f0
[   17.851891]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   17.851934]  kthread+0x328/0x630
[   17.852122]  ret_from_fork+0x10/0x20
[   17.852222] 
[   17.852275] The buggy address belongs to the object at fff00000c3ec0000
[   17.852275]  which belongs to the cache kmalloc-128 of size 128
[   17.852332] The buggy address is located 0 bytes to the right of
[   17.852332]  allocated 120-byte region [fff00000c3ec0000, fff00000c3ec0078)
[   17.852408] 
[   17.852702] The buggy address belongs to the physical page:
[   17.852827] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103ec0
[   17.852881] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   17.853210] page_type: f5(slab)
[   17.853351] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000
[   17.853473] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   17.853582] page dumped because: kasan: bad access detected
[   17.853692] 
[   17.853755] Memory state around the buggy address:
[   17.853784]  fff00000c3ebff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   17.853844]  fff00000c3ebff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[   17.854205] >fff00000c3ec0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   17.854349]                                                                 ^
[   17.854465]  fff00000c3ec0080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.854576]  fff00000c3ec0100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   17.854646] ==================================================================

[   12.835502] ==================================================================
[   12.836090] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4c8/0x520
[   12.836770] Write of size 1 at addr ffff8881029e8d78 by task kunit_try_catch/160
[   12.837202] 
[   12.837669] CPU: 1 UID: 0 PID: 160 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4 #1 PREEMPT(voluntary) 
[   12.837727] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.837741] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.837766] Call Trace:
[   12.837934]  <TASK>
[   12.837966]  dump_stack_lvl+0x73/0xb0
[   12.838006]  print_report+0xd1/0x650
[   12.838033]  ? __virt_addr_valid+0x1db/0x2d0
[   12.838059]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   12.838097]  ? kasan_complete_mode_report_info+0x2a/0x200
[   12.838121]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   12.838150]  kasan_report+0x141/0x180
[   12.838175]  ? kmalloc_track_caller_oob_right+0x4c8/0x520
[   12.838207]  __asan_report_store1_noabort+0x1b/0x30
[   12.838230]  kmalloc_track_caller_oob_right+0x4c8/0x520
[   12.838256]  ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10
[   12.838284]  ? __schedule+0x10cc/0x2b60
[   12.838308]  ? __pfx_read_tsc+0x10/0x10
[   12.838332]  ? ktime_get_ts64+0x86/0x230
[   12.838359]  kunit_try_run_case+0x1a5/0x480
[   12.838388]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.838412]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.838437]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.838461]  ? __kthread_parkme+0x82/0x180
[   12.838484]  ? preempt_count_sub+0x50/0x80
[   12.838510]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.838536]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.838560]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.838585]  kthread+0x337/0x6f0
[   12.838606]  ? trace_preempt_on+0x20/0xc0
[   12.838632]  ? __pfx_kthread+0x10/0x10
[   12.838654]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.838676]  ? calculate_sigpending+0x7b/0xa0
[   12.838703]  ? __pfx_kthread+0x10/0x10
[   12.838726]  ret_from_fork+0x116/0x1d0
[   12.838746]  ? __pfx_kthread+0x10/0x10
[   12.838768]  ret_from_fork_asm+0x1a/0x30
[   12.838815]  </TASK>
[   12.838829] 
[   12.849622] Allocated by task 160:
[   12.849797]  kasan_save_stack+0x45/0x70
[   12.849968]  kasan_save_track+0x18/0x40
[   12.850691]  kasan_save_alloc_info+0x3b/0x50
[   12.851683]  __kasan_kmalloc+0xb7/0xc0
[   12.852410]  __kmalloc_node_track_caller_noprof+0x1cb/0x500
[   12.853300]  kmalloc_track_caller_oob_right+0x99/0x520
[   12.853999]  kunit_try_run_case+0x1a5/0x480
[   12.854675]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.855359]  kthread+0x337/0x6f0
[   12.855506]  ret_from_fork+0x116/0x1d0
[   12.855653]  ret_from_fork_asm+0x1a/0x30
[   12.855818] 
[   12.855898] The buggy address belongs to the object at ffff8881029e8d00
[   12.855898]  which belongs to the cache kmalloc-128 of size 128
[   12.857443] The buggy address is located 0 bytes to the right of
[   12.857443]  allocated 120-byte region [ffff8881029e8d00, ffff8881029e8d78)
[   12.857992] 
[   12.858419] The buggy address belongs to the physical page:
[   12.858679] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029e8
[   12.859252] flags: 0x200000000000000(node=0|zone=2)
[   12.859659] page_type: f5(slab)
[   12.859977] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   12.860541] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   12.860941] page dumped because: kasan: bad access detected
[   12.861449] 
[   12.861533] Memory state around the buggy address:
[   12.861797]  ffff8881029e8c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.862668]  ffff8881029e8c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.863062] >ffff8881029e8d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   12.863632]                                                                 ^
[   12.863987]  ffff8881029e8d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.864588]  ffff8881029e8e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.865051] ==================================================================