Hay
Date
April 20, 2025, 11:09 p.m.

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

[   22.645980] ==================================================================
[   22.646117] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x2f4/0x330
[   22.646245] Read of size 1 at addr fff00000c679f000 by task kunit_try_catch/142
[   22.646374] 
[   22.646453] CPU: 0 UID: 0 PID: 142 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   22.646787] Tainted: [B]=BAD_PAGE, [N]=TEST
[   22.646964] Hardware name: linux,dummy-virt (DT)
[   22.647052] Call trace:
[   22.647198]  show_stack+0x20/0x38 (C)
[   22.647335]  dump_stack_lvl+0x8c/0xd0
[   22.647844]  print_report+0x118/0x608
[   22.648010]  kasan_report+0xdc/0x128
[   22.649164]  __asan_report_load1_noabort+0x20/0x30
[   22.649323]  kmalloc_node_oob_right+0x2f4/0x330
[   22.649464]  kunit_try_run_case+0x170/0x3f0
[   22.649645]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   22.649964]  kthread+0x328/0x630
[   22.650276]  ret_from_fork+0x10/0x20
[   22.650859] 
[   22.650917] Allocated by task 142:
[   22.651016]  kasan_save_stack+0x3c/0x68
[   22.651355]  kasan_save_track+0x20/0x40
[   22.651675]  kasan_save_alloc_info+0x40/0x58
[   22.651846]  __kasan_kmalloc+0xd4/0xd8
[   22.652920]  __kmalloc_cache_node_noprof+0x168/0x3d0
[   22.653335]  kmalloc_node_oob_right+0xbc/0x330
[   22.653796]  kunit_try_run_case+0x170/0x3f0
[   22.654010]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   22.654116]  kthread+0x328/0x630
[   22.654648]  ret_from_fork+0x10/0x20
[   22.654771] 
[   22.654826] The buggy address belongs to the object at fff00000c679e000
[   22.654826]  which belongs to the cache kmalloc-4k of size 4096
[   22.654985] The buggy address is located 0 bytes to the right of
[   22.654985]  allocated 4096-byte region [fff00000c679e000, fff00000c679f000)
[   22.655889] 
[   22.655954] The buggy address belongs to the physical page:
[   22.656790] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106798
[   22.657203] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   22.657436] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   22.658084] page_type: f5(slab)
[   22.658412] raw: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000
[   22.658545] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   22.659181] head: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000
[   22.659651] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   22.660093] head: 0bfffe0000000003 ffffc1ffc319e601 00000000ffffffff 00000000ffffffff
[   22.660247] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   22.660378] page dumped because: kasan: bad access detected
[   22.660685] 
[   22.660784] Memory state around the buggy address:
[   22.660857]  fff00000c679ef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   22.660975]  fff00000c679ef80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   22.661077] >fff00000c679f000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   22.661614]                    ^
[   22.661797]  fff00000c679f080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   22.662207]  fff00000c679f100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   22.662310] ==================================================================

[   10.940878] ==================================================================
[   10.942416] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x369/0x3c0
[   10.943733] Read of size 1 at addr ffff888102ba3000 by task kunit_try_catch/160
[   10.944754] 
[   10.945184] CPU: 1 UID: 0 PID: 160 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   10.945459] Tainted: [B]=BAD_PAGE, [N]=TEST
[   10.945479] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   10.945509] Call Trace:
[   10.945522]  <TASK>
[   10.945561]  dump_stack_lvl+0x73/0xb0
[   10.945593]  print_report+0xd1/0x650
[   10.945616]  ? __virt_addr_valid+0x1db/0x2d0
[   10.945639]  ? kmalloc_node_oob_right+0x369/0x3c0
[   10.945663]  ? kasan_complete_mode_report_info+0x2a/0x200
[   10.945686]  ? kmalloc_node_oob_right+0x369/0x3c0
[   10.945710]  kasan_report+0x141/0x180
[   10.945732]  ? kmalloc_node_oob_right+0x369/0x3c0
[   10.945761]  __asan_report_load1_noabort+0x18/0x20
[   10.945787]  kmalloc_node_oob_right+0x369/0x3c0
[   10.945811]  ? __pfx_kmalloc_node_oob_right+0x10/0x10
[   10.945836]  ? __schedule+0x10cc/0x2b30
[   10.945860]  ? __pfx_read_tsc+0x10/0x10
[   10.945880]  ? ktime_get_ts64+0x86/0x230
[   10.945906]  kunit_try_run_case+0x1a5/0x480
[   10.945931]  ? __pfx_kunit_try_run_case+0x10/0x10
[   10.945953]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   10.945976]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   10.945999]  ? __kthread_parkme+0x82/0x180
[   10.946021]  ? preempt_count_sub+0x50/0x80
[   10.946046]  ? __pfx_kunit_try_run_case+0x10/0x10
[   10.946069]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   10.946091]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   10.946120]  kthread+0x337/0x6f0
[   10.946141]  ? trace_preempt_on+0x20/0xc0
[   10.946164]  ? __pfx_kthread+0x10/0x10
[   10.946186]  ? _raw_spin_unlock_irq+0x47/0x80
[   10.946208]  ? calculate_sigpending+0x7b/0xa0
[   10.946229]  ? __pfx_kthread+0x10/0x10
[   10.946251]  ret_from_fork+0x41/0x80
[   10.946271]  ? __pfx_kthread+0x10/0x10
[   10.946293]  ret_from_fork_asm+0x1a/0x30
[   10.946365]  </TASK>
[   10.946377] 
[   10.961724] Allocated by task 160:
[   10.962032]  kasan_save_stack+0x45/0x70
[   10.962524]  kasan_save_track+0x18/0x40
[   10.962667]  kasan_save_alloc_info+0x3b/0x50
[   10.962812]  __kasan_kmalloc+0xb7/0xc0
[   10.962943]  __kmalloc_cache_node_noprof+0x188/0x420
[   10.963108]  kmalloc_node_oob_right+0xab/0x3c0
[   10.963549]  kunit_try_run_case+0x1a5/0x480
[   10.964092]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   10.964758]  kthread+0x337/0x6f0
[   10.965089]  ret_from_fork+0x41/0x80
[   10.965538]  ret_from_fork_asm+0x1a/0x30
[   10.965927] 
[   10.966087] The buggy address belongs to the object at ffff888102ba2000
[   10.966087]  which belongs to the cache kmalloc-4k of size 4096
[   10.967148] The buggy address is located 0 bytes to the right of
[   10.967148]  allocated 4096-byte region [ffff888102ba2000, ffff888102ba3000)
[   10.967804] 
[   10.967881] The buggy address belongs to the physical page:
[   10.968120] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ba0
[   10.969170] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   10.969935] flags: 0x200000000000040(head|node=0|zone=2)
[   10.970630] page_type: f5(slab)
[   10.970970] raw: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000
[   10.971698] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   10.972258] head: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000
[   10.973019] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   10.973361] head: 0200000000000003 ffffea00040ae801 00000000ffffffff 00000000ffffffff
[   10.974089] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   10.974824] page dumped because: kasan: bad access detected
[   10.974999] 
[   10.975068] Memory state around the buggy address:
[   10.975260]  ffff888102ba2f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   10.975994]  ffff888102ba2f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   10.976785] >ffff888102ba3000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.977551]                    ^
[   10.978010]  ffff888102ba3080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.978677]  ffff888102ba3100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   10.978978] ==================================================================

[   20.748153] ==================================================================
[   20.749196] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x2f4/0x330
[   20.749903] Read of size 1 at addr ffff00000f447000 by task kunit_try_catch/194
[   20.750584] 
[   20.750752] CPU: 3 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   20.750803] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.750817] Hardware name: Radxa ROCK Pi 4B (DT)
[   20.750835] Call trace:
[   20.750847]  show_stack+0x20/0x38 (C)
[   20.750883]  dump_stack_lvl+0x8c/0xd0
[   20.750915]  print_report+0x118/0x608
[   20.750944]  kasan_report+0xdc/0x128
[   20.750972]  __asan_report_load1_noabort+0x20/0x30
[   20.751005]  kmalloc_node_oob_right+0x2f4/0x330
[   20.751042]  kunit_try_run_case+0x170/0x3f0
[   20.751077]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.751116]  kthread+0x328/0x630
[   20.751150]  ret_from_fork+0x10/0x20
[   20.751183] 
[   20.756796] Allocated by task 194:
[   20.757121]  kasan_save_stack+0x3c/0x68
[   20.757494]  kasan_save_track+0x20/0x40
[   20.757866]  kasan_save_alloc_info+0x40/0x58
[   20.758280]  __kasan_kmalloc+0xd4/0xd8
[   20.758643]  __kmalloc_cache_node_noprof+0x168/0x3d0
[   20.759116]  kmalloc_node_oob_right+0xbc/0x330
[   20.759547]  kunit_try_run_case+0x170/0x3f0
[   20.759954]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.760479]  kthread+0x328/0x630
[   20.760803]  ret_from_fork+0x10/0x20
[   20.761153] 
[   20.761306] The buggy address belongs to the object at ffff00000f446000
[   20.761306]  which belongs to the cache kmalloc-4k of size 4096
[   20.762439] The buggy address is located 0 bytes to the right of
[   20.762439]  allocated 4096-byte region [ffff00000f446000, ffff00000f447000)
[   20.763620] 
[   20.763774] The buggy address belongs to the physical page:
[   20.764291] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xf440
[   20.765015] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   20.765720] flags: 0x3fffe0000000040(head|node=0|zone=0|lastcpupid=0x1ffff)
[   20.766371] page_type: f5(slab)
[   20.766683] raw: 03fffe0000000040 ffff000000403040 dead000000000122 0000000000000000
[   20.767398] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   20.768114] head: 03fffe0000000040 ffff000000403040 dead000000000122 0000000000000000
[   20.768836] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000
[   20.769559] head: 03fffe0000000003 fffffdffc03d1001 00000000ffffffff 00000000ffffffff
[   20.770282] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
[   20.770996] page dumped because: kasan: bad access detected
[   20.771511] 
[   20.771663] Memory state around the buggy address:
[   20.772111]  ffff00000f446f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   20.772777]  ffff00000f446f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   20.773443] >ffff00000f447000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.774104]                    ^
[   20.774414]  ffff00000f447080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.775079]  ffff00000f447100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.775740] ==================================================================