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Date
May 30, 2025, 4:14 a.m.

Environment
e850-96
qemu-arm64
qemu-x86_64
x15 

[   21.289224] ==================================================================
[   21.298685] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8
[   21.306147] Write of size 1 at addr ffff000804b0e00a by task kunit_try_catch/190
[   21.313525] 
[   21.315011] CPU: 2 UID: 0 PID: 190 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250530 #1 PREEMPT 
[   21.315065] Tainted: [B]=BAD_PAGE, [N]=TEST
[   21.315082] Hardware name: WinLink E850-96 board (DT)
[   21.315103] Call trace:
[   21.315121]  show_stack+0x20/0x38 (C)
[   21.315156]  dump_stack_lvl+0x8c/0xd0
[   21.315196]  print_report+0x118/0x608
[   21.315232]  kasan_report+0xdc/0x128
[   21.315263]  __asan_report_store1_noabort+0x20/0x30
[   21.315295]  kmalloc_large_oob_right+0x278/0x2b8
[   21.315326]  kunit_try_run_case+0x170/0x3f0
[   21.315362]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   21.315400]  kthread+0x328/0x630
[   21.315427]  ret_from_fork+0x10/0x20
[   21.315461] 
[   21.379237] The buggy address belongs to the physical page:
[   21.384796] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x884b0c
[   21.392780] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   21.400419] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   21.407362] page_type: f8(unknown)
[   21.410757] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   21.418477] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   21.426204] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   21.434015] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   21.441828] head: 0bfffe0000000002 fffffdffe012c301 00000000ffffffff 00000000ffffffff
[   21.449640] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
[   21.457446] page dumped because: kasan: bad access detected
[   21.463003] 
[   21.464477] Memory state around the buggy address:
[   21.469259]  ffff000804b0df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   21.476460]  ffff000804b0df80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   21.483666] >ffff000804b0e000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   21.490866]                       ^
[   21.494341]  ffff000804b0e080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   21.501546]  ffff000804b0e100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   21.508748] ==================================================================
Metadata Full log Test run details 

[   24.201510] ==================================================================
[   24.201699] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8
[   24.202247] Write of size 1 at addr fff00000c77b200a by task kunit_try_catch/147
[   24.202788] 
[   24.202907] CPU: 0 UID: 0 PID: 147 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250530 #1 PREEMPT 
[   24.203114] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.203183] Hardware name: linux,dummy-virt (DT)
[   24.203259] Call trace:
[   24.203318]  show_stack+0x20/0x38 (C)
[   24.203446]  dump_stack_lvl+0x8c/0xd0
[   24.203835]  print_report+0x118/0x608
[   24.204165]  kasan_report+0xdc/0x128
[   24.204500]  __asan_report_store1_noabort+0x20/0x30
[   24.205233]  kmalloc_large_oob_right+0x278/0x2b8
[   24.205389]  kunit_try_run_case+0x170/0x3f0
[   24.205603]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.206169]  kthread+0x328/0x630
[   24.206414]  ret_from_fork+0x10/0x20
[   24.206909] 
[   24.207047] The buggy address belongs to the physical page:
[   24.207400] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1077b0
[   24.208353] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   24.208640] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   24.209463] page_type: f8(unknown)
[   24.209725] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   24.211022] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   24.211775] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000
[   24.211926] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   24.213161] head: 0bfffe0000000002 ffffc1ffc31dec01 00000000ffffffff 00000000ffffffff
[   24.213338] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
[   24.214197] page dumped because: kasan: bad access detected
[   24.214816] 
[   24.215344] Memory state around the buggy address:
[   24.215594]  fff00000c77b1f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   24.216033]  fff00000c77b1f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   24.216728] >fff00000c77b2000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   24.216832]                       ^
[   24.216932]  fff00000c77b2080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   24.217374]  fff00000c77b2100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   24.217881] ==================================================================
Metadata Full log Test run details 

[   16.984744] ==================================================================
[   16.985902] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330
[   16.986880] Write of size 1 at addr ffff8881024ce00a by task kunit_try_catch/163
[   16.987749] 
[   16.988669] CPU: 1 UID: 0 PID: 163 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250530 #1 PREEMPT(voluntary) 
[   16.988959] Tainted: [B]=BAD_PAGE, [N]=TEST
[   16.988998] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   16.989046] Call Trace:
[   16.989088]  <TASK>
[   16.989112]  dump_stack_lvl+0x73/0xb0
[   16.989152]  print_report+0xd1/0x650
[   16.989317]  ? __virt_addr_valid+0x1db/0x2d0
[   16.989358]  ? kmalloc_large_oob_right+0x2e9/0x330
[   16.989390]  ? kasan_addr_to_slab+0x11/0xa0
[   16.989419]  ? kmalloc_large_oob_right+0x2e9/0x330
[   16.989451]  kasan_report+0x141/0x180
[   16.989482]  ? kmalloc_large_oob_right+0x2e9/0x330
[   16.989519]  __asan_report_store1_noabort+0x1b/0x30
[   16.989548]  kmalloc_large_oob_right+0x2e9/0x330
[   16.989579]  ? __pfx_kmalloc_large_oob_right+0x10/0x10
[   16.989611]  ? sysvec_apic_timer_interrupt+0x50/0x90
[   16.989651]  ? trace_hardirqs_on+0x37/0xe0
[   16.989683]  ? __pfx_read_tsc+0x10/0x10
[   16.989712]  ? ktime_get_ts64+0x86/0x230
[   16.989745]  kunit_try_run_case+0x1a5/0x480
[   16.989777]  ? __pfx_kunit_try_run_case+0x10/0x10
[   16.989836]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   16.989874]  ? __kthread_parkme+0x82/0x180
[   16.989903]  ? preempt_count_sub+0x50/0x80
[   16.989935]  ? __pfx_kunit_try_run_case+0x10/0x10
[   16.989964]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   16.989998]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   16.990033]  kthread+0x337/0x6f0
[   16.990084]  ? trace_preempt_on+0x20/0xc0
[   16.990119]  ? __pfx_kthread+0x10/0x10
[   16.990148]  ? _raw_spin_unlock_irq+0x47/0x80
[   16.990268]  ? calculate_sigpending+0x7b/0xa0
[   16.990323]  ? __pfx_kthread+0x10/0x10
[   16.990354]  ret_from_fork+0x116/0x1d0
[   16.990380]  ? __pfx_kthread+0x10/0x10
[   16.990408]  ret_from_fork_asm+0x1a/0x30
[   16.990449]  </TASK>
[   16.990464] 
[   17.011375] The buggy address belongs to the physical page:
[   17.011849] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1024cc
[   17.012548] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   17.013744] flags: 0x200000000000040(head|node=0|zone=2)
[   17.014333] page_type: f8(unknown)
[   17.014944] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000
[   17.015925] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   17.016887] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000
[   17.017666] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000
[   17.018424] head: 0200000000000002 ffffea0004093301 00000000ffffffff 00000000ffffffff
[   17.019122] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
[   17.020005] page dumped because: kasan: bad access detected
[   17.020665] 
[   17.020960] Memory state around the buggy address:
[   17.021403]  ffff8881024cdf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   17.022129]  ffff8881024cdf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   17.022934] >ffff8881024ce000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   17.023707]                       ^
[   17.024148]  ffff8881024ce080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   17.024949]  ffff8881024ce100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   17.025589] ==================================================================
Metadata Full log Test run details 

[   47.654663] ==================================================================
[   47.666046] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e8/0x330
[   47.673583] Write of size 1 at addr cc74e00a by task kunit_try_catch/198
[   47.680328] 
[   47.681823] CPU: 0 UID: 0 PID: 198 Comm: kunit_try_catch Tainted: G    B   W        N  6.15.0-next-20250530 #1 NONE 
[   47.681854] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
[   47.681884] Hardware name: Generic DRA74X (Flattened Device Tree)
[   47.681884] Call trace: 
[   47.681884]  unwind_backtrace from show_stack+0x18/0x1c
[   47.681915]  show_stack from dump_stack_lvl+0x70/0x90
[   47.681945]  dump_stack_lvl from print_report+0x158/0x528
[   47.681976]  print_report from kasan_report+0xdc/0x118
[   47.681976]  kasan_report from kmalloc_large_oob_right+0x2e8/0x330
[   47.682006]  kmalloc_large_oob_right from kunit_try_run_case+0x22c/0x5a8
[   47.682037]  kunit_try_run_case from kunit_generic_run_threadfn_adapter+0xc4/0x128
[   47.682067]  kunit_generic_run_threadfn_adapter from kthread+0x464/0x810
[   47.682098]  kthread from ret_from_fork+0x14/0x20
[   47.682098] Exception stack(0xf21d3fb0 to 0xf21d3ff8)
[   47.682128] 3fa0:                                     00000000 00000000 00000000 00000000
[   47.682128] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[   47.682159] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[   47.682159] 
[   47.788940] The buggy address belongs to the physical page:
[   47.794555] page: refcount:1 mapcount:0 mapping:00000000 index:0x0 pfn:0x8c74c
[   47.801818] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   47.809539] flags: 0x40(head|zone=0)
[   47.813140] page_type: f8(unknown)
[   47.816558] raw: 00000040 00000000 00000122 00000000 00000000 00000000 f8000000 00000001
[   47.824707] raw: 00000000
[   47.827362] head: 00000040 00000000 00000122 00000000 00000000 00000000 f8000000 00000001
[   47.835601] head: 00000000 00000002 eebbf6b1 ffffffff 00000000 ffffffff 00000000 ffffffff
[   47.843811] head: 00000000 00000004
[   47.847320] page dumped because: kasan: bad access detected
[   47.852935] 
[   47.854431] Memory state around the buggy address:
[   47.859252]  cc74df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   47.865844]  cc74df80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   47.872406] >cc74e000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   47.878967]               ^
[   47.881774]  cc74e080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   47.888366]  cc74e100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe
[   47.894927] ==================================================================
Metadata Full log Test run details