Date
June 8, 2025, 11:09 p.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 | |
| rk3399-rock-pi-4b |
[ 28.548604] ================================================================== [ 28.558185] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x154/0x2e0 [ 28.565734] Read of size 18446744073709551614 at addr ffff000800c2e904 by task kunit_try_catch/227 [ 28.574674] [ 28.576161] CPU: 5 UID: 0 PID: 227 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT [ 28.576214] Tainted: [B]=BAD_PAGE, [N]=TEST [ 28.576229] Hardware name: WinLink E850-96 board (DT) [ 28.576249] Call trace: [ 28.576264] show_stack+0x20/0x38 (C) [ 28.576301] dump_stack_lvl+0x8c/0xd0 [ 28.576339] print_report+0x118/0x608 [ 28.576372] kasan_report+0xdc/0x128 [ 28.576403] kasan_check_range+0x100/0x1a8 [ 28.576439] __asan_memmove+0x3c/0x98 [ 28.576465] kmalloc_memmove_negative_size+0x154/0x2e0 [ 28.576499] kunit_try_run_case+0x170/0x3f0 [ 28.576535] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.576571] kthread+0x328/0x630 [ 28.576601] ret_from_fork+0x10/0x20 [ 28.576636] [ 28.642901] Allocated by task 227: [ 28.646290] kasan_save_stack+0x3c/0x68 [ 28.650109] kasan_save_track+0x20/0x40 [ 28.653927] kasan_save_alloc_info+0x40/0x58 [ 28.658179] __kasan_kmalloc+0xd4/0xd8 [ 28.661913] __kmalloc_cache_noprof+0x16c/0x3c0 [ 28.666426] kmalloc_memmove_negative_size+0xb0/0x2e0 [ 28.671459] kunit_try_run_case+0x170/0x3f0 [ 28.675627] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 28.681097] kthread+0x328/0x630 [ 28.684307] ret_from_fork+0x10/0x20 [ 28.687866] [ 28.689344] The buggy address belongs to the object at ffff000800c2e900 [ 28.689344] which belongs to the cache kmalloc-64 of size 64 [ 28.701671] The buggy address is located 4 bytes inside of [ 28.701671] 64-byte region [ffff000800c2e900, ffff000800c2e940) [ 28.713126] [ 28.714606] The buggy address belongs to the physical page: [ 28.720162] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x880c2e [ 28.728145] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 28.734656] page_type: f5(slab) [ 28.737793] raw: 0bfffe0000000000 ffff0008000028c0 dead000000000122 0000000000000000 [ 28.745511] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 28.753231] page dumped because: kasan: bad access detected [ 28.758785] [ 28.760260] Memory state around the buggy address: [ 28.765042] ffff000800c2e800: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 28.772244] ffff000800c2e880: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 28.779448] >ffff000800c2e900: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 28.786649] ^ [ 28.789865] ffff000800c2e980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.797071] ffff000800c2ea00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 28.804273] ==================================================================
[ 25.481988] ================================================================== [ 25.483026] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x154/0x2e0 [ 25.483406] Read of size 18446744073709551614 at addr fff00000c6418084 by task kunit_try_catch/180 [ 25.483599] [ 25.483676] CPU: 0 UID: 0 PID: 180 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT [ 25.483868] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.483951] Hardware name: linux,dummy-virt (DT) [ 25.484029] Call trace: [ 25.484093] show_stack+0x20/0x38 (C) [ 25.484252] dump_stack_lvl+0x8c/0xd0 [ 25.484567] print_report+0x118/0x608 [ 25.484688] kasan_report+0xdc/0x128 [ 25.484800] kasan_check_range+0x100/0x1a8 [ 25.484988] __asan_memmove+0x3c/0x98 [ 25.485160] kmalloc_memmove_negative_size+0x154/0x2e0 [ 25.485358] kunit_try_run_case+0x170/0x3f0 [ 25.485629] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.485786] kthread+0x328/0x630 [ 25.485924] ret_from_fork+0x10/0x20 [ 25.486435] [ 25.486820] Allocated by task 180: [ 25.486915] kasan_save_stack+0x3c/0x68 [ 25.487317] kasan_save_track+0x20/0x40 [ 25.487426] kasan_save_alloc_info+0x40/0x58 [ 25.487807] __kasan_kmalloc+0xd4/0xd8 [ 25.488090] __kmalloc_cache_noprof+0x16c/0x3c0 [ 25.488216] kmalloc_memmove_negative_size+0xb0/0x2e0 [ 25.488691] kunit_try_run_case+0x170/0x3f0 [ 25.489354] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.489468] kthread+0x328/0x630 [ 25.489556] ret_from_fork+0x10/0x20 [ 25.491245] [ 25.491743] The buggy address belongs to the object at fff00000c6418080 [ 25.491743] which belongs to the cache kmalloc-64 of size 64 [ 25.492476] The buggy address is located 4 bytes inside of [ 25.492476] 64-byte region [fff00000c6418080, fff00000c64180c0) [ 25.493181] [ 25.493255] The buggy address belongs to the physical page: [ 25.493366] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106418 [ 25.493715] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 25.493859] page_type: f5(slab) [ 25.494023] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 25.494214] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 25.494339] page dumped because: kasan: bad access detected [ 25.494552] [ 25.494599] Memory state around the buggy address: [ 25.494670] fff00000c6417f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.495638] fff00000c6418000: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 25.495800] >fff00000c6418080: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 25.495901] ^ [ 25.495991] fff00000c6418100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.496140] fff00000c6418180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.496309] ==================================================================
[ 25.720407] ================================================================== [ 25.720541] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x154/0x2e0 [ 25.720653] Read of size 18446744073709551614 at addr fff00000c7742d04 by task kunit_try_catch/180 [ 25.720853] [ 25.720933] CPU: 0 UID: 0 PID: 180 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT [ 25.721425] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.721495] Hardware name: linux,dummy-virt (DT) [ 25.721575] Call trace: [ 25.721637] show_stack+0x20/0x38 (C) [ 25.722120] dump_stack_lvl+0x8c/0xd0 [ 25.722261] print_report+0x118/0x608 [ 25.722386] kasan_report+0xdc/0x128 [ 25.722514] kasan_check_range+0x100/0x1a8 [ 25.722689] __asan_memmove+0x3c/0x98 [ 25.722808] kmalloc_memmove_negative_size+0x154/0x2e0 [ 25.723374] kunit_try_run_case+0x170/0x3f0 [ 25.723715] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.723997] kthread+0x328/0x630 [ 25.724225] ret_from_fork+0x10/0x20 [ 25.724356] [ 25.724423] Allocated by task 180: [ 25.724563] kasan_save_stack+0x3c/0x68 [ 25.724668] kasan_save_track+0x20/0x40 [ 25.724763] kasan_save_alloc_info+0x40/0x58 [ 25.724894] __kasan_kmalloc+0xd4/0xd8 [ 25.725008] __kmalloc_cache_noprof+0x16c/0x3c0 [ 25.725515] kmalloc_memmove_negative_size+0xb0/0x2e0 [ 25.726099] kunit_try_run_case+0x170/0x3f0 [ 25.726339] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.726454] kthread+0x328/0x630 [ 25.726714] ret_from_fork+0x10/0x20 [ 25.726816] [ 25.726884] The buggy address belongs to the object at fff00000c7742d00 [ 25.726884] which belongs to the cache kmalloc-64 of size 64 [ 25.727312] The buggy address is located 4 bytes inside of [ 25.727312] 64-byte region [fff00000c7742d00, fff00000c7742d40) [ 25.727507] [ 25.727557] The buggy address belongs to the physical page: [ 25.727629] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107742 [ 25.727769] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 25.728098] page_type: f5(slab) [ 25.728377] raw: 0bfffe0000000000 fff00000c00018c0 dead000000000122 0000000000000000 [ 25.728599] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 25.728769] page dumped because: kasan: bad access detected [ 25.728945] [ 25.728990] Memory state around the buggy address: [ 25.729066] fff00000c7742c00: 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc fc [ 25.730097] fff00000c7742c80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 25.730232] >fff00000c7742d00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 25.730442] ^ [ 25.730637] fff00000c7742d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.730810] fff00000c7742e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.731169] ==================================================================
[ 19.138865] ================================================================== [ 19.139905] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x171/0x330 [ 19.141536] Read of size 18446744073709551614 at addr ffff888102b89e04 by task kunit_try_catch/198 [ 19.142722] [ 19.143008] CPU: 0 UID: 0 PID: 198 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT(voluntary) [ 19.143133] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.143169] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.143222] Call Trace: [ 19.143426] <TASK> [ 19.143483] dump_stack_lvl+0x73/0xb0 [ 19.143717] print_report+0xd1/0x650 [ 19.143757] ? __virt_addr_valid+0x1db/0x2d0 [ 19.143793] ? kmalloc_memmove_negative_size+0x171/0x330 [ 19.143829] ? kasan_complete_mode_report_info+0x2a/0x200 [ 19.143860] ? kmalloc_memmove_negative_size+0x171/0x330 [ 19.143928] kasan_report+0x141/0x180 [ 19.143968] ? kmalloc_memmove_negative_size+0x171/0x330 [ 19.144012] kasan_check_range+0x10c/0x1c0 [ 19.144047] __asan_memmove+0x27/0x70 [ 19.144075] kmalloc_memmove_negative_size+0x171/0x330 [ 19.144111] ? __pfx_kmalloc_memmove_negative_size+0x10/0x10 [ 19.144151] ? __pfx_kmalloc_memmove_negative_size+0x10/0x10 [ 19.144193] kunit_try_run_case+0x1a5/0x480 [ 19.144253] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.144303] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 19.144341] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 19.144377] ? __kthread_parkme+0x82/0x180 [ 19.144406] ? preempt_count_sub+0x50/0x80 [ 19.144437] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.144474] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.144541] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 19.144867] kthread+0x337/0x6f0 [ 19.144902] ? trace_preempt_on+0x20/0xc0 [ 19.144939] ? __pfx_kthread+0x10/0x10 [ 19.144969] ? _raw_spin_unlock_irq+0x47/0x80 [ 19.145000] ? calculate_sigpending+0x7b/0xa0 [ 19.145035] ? __pfx_kthread+0x10/0x10 [ 19.145065] ret_from_fork+0x116/0x1d0 [ 19.145091] ? __pfx_kthread+0x10/0x10 [ 19.145119] ret_from_fork_asm+0x1a/0x30 [ 19.145161] </TASK> [ 19.145178] [ 19.166371] Allocated by task 198: [ 19.167195] kasan_save_stack+0x45/0x70 [ 19.167997] kasan_save_track+0x18/0x40 [ 19.168782] kasan_save_alloc_info+0x3b/0x50 [ 19.168990] __kasan_kmalloc+0xb7/0xc0 [ 19.169154] __kmalloc_cache_noprof+0x189/0x420 [ 19.169567] kmalloc_memmove_negative_size+0xac/0x330 [ 19.169967] kunit_try_run_case+0x1a5/0x480 [ 19.170323] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.172375] kthread+0x337/0x6f0 [ 19.173050] ret_from_fork+0x116/0x1d0 [ 19.173782] ret_from_fork_asm+0x1a/0x30 [ 19.174209] [ 19.174471] The buggy address belongs to the object at ffff888102b89e00 [ 19.174471] which belongs to the cache kmalloc-64 of size 64 [ 19.175678] The buggy address is located 4 bytes inside of [ 19.175678] 64-byte region [ffff888102b89e00, ffff888102b89e40) [ 19.176459] [ 19.176907] The buggy address belongs to the physical page: [ 19.177701] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b89 [ 19.178773] flags: 0x200000000000000(node=0|zone=2) [ 19.179706] page_type: f5(slab) [ 19.180513] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 19.181457] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 19.182148] page dumped because: kasan: bad access detected [ 19.182671] [ 19.182889] Memory state around the buggy address: [ 19.183318] ffff888102b89d00: 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc fc [ 19.184867] ffff888102b89d80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 19.185124] >ffff888102b89e00: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 19.185559] ^ [ 19.185857] ffff888102b89e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.186310] ffff888102b89f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.186843] ==================================================================
[ 18.192303] ================================================================== [ 18.193522] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x171/0x330 [ 18.194057] Read of size 18446744073709551614 at addr ffff888103302304 by task kunit_try_catch/198 [ 18.195669] [ 18.195969] CPU: 0 UID: 0 PID: 198 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT(voluntary) [ 18.196079] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.196101] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.196152] Call Trace: [ 18.196169] <TASK> [ 18.196189] dump_stack_lvl+0x73/0xb0 [ 18.196232] print_report+0xd1/0x650 [ 18.196264] ? __virt_addr_valid+0x1db/0x2d0 [ 18.196295] ? kmalloc_memmove_negative_size+0x171/0x330 [ 18.196330] ? kasan_complete_mode_report_info+0x2a/0x200 [ 18.196361] ? kmalloc_memmove_negative_size+0x171/0x330 [ 18.196420] kasan_report+0x141/0x180 [ 18.196455] ? kmalloc_memmove_negative_size+0x171/0x330 [ 18.196497] kasan_check_range+0x10c/0x1c0 [ 18.196928] __asan_memmove+0x27/0x70 [ 18.197073] kmalloc_memmove_negative_size+0x171/0x330 [ 18.197222] ? __pfx_kmalloc_memmove_negative_size+0x10/0x10 [ 18.197268] ? __schedule+0x10cc/0x2b60 [ 18.197304] ? __pfx_read_tsc+0x10/0x10 [ 18.197333] ? ktime_get_ts64+0x86/0x230 [ 18.197367] kunit_try_run_case+0x1a5/0x480 [ 18.197403] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.197436] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 18.197468] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 18.197501] ? __kthread_parkme+0x82/0x180 [ 18.197654] ? preempt_count_sub+0x50/0x80 [ 18.197695] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.197732] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.197766] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 18.197800] kthread+0x337/0x6f0 [ 18.197827] ? trace_preempt_on+0x20/0xc0 [ 18.197859] ? __pfx_kthread+0x10/0x10 [ 18.197915] ? _raw_spin_unlock_irq+0x47/0x80 [ 18.197949] ? calculate_sigpending+0x7b/0xa0 [ 18.197984] ? __pfx_kthread+0x10/0x10 [ 18.198013] ret_from_fork+0x116/0x1d0 [ 18.198038] ? __pfx_kthread+0x10/0x10 [ 18.198066] ret_from_fork_asm+0x1a/0x30 [ 18.198116] </TASK> [ 18.198150] [ 18.217745] Allocated by task 198: [ 18.218496] kasan_save_stack+0x45/0x70 [ 18.219026] kasan_save_track+0x18/0x40 [ 18.219469] kasan_save_alloc_info+0x3b/0x50 [ 18.219957] __kasan_kmalloc+0xb7/0xc0 [ 18.220390] __kmalloc_cache_noprof+0x189/0x420 [ 18.220748] kmalloc_memmove_negative_size+0xac/0x330 [ 18.222016] kunit_try_run_case+0x1a5/0x480 [ 18.222562] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.223046] kthread+0x337/0x6f0 [ 18.223419] ret_from_fork+0x116/0x1d0 [ 18.224017] ret_from_fork_asm+0x1a/0x30 [ 18.224463] [ 18.224862] The buggy address belongs to the object at ffff888103302300 [ 18.224862] which belongs to the cache kmalloc-64 of size 64 [ 18.226338] The buggy address is located 4 bytes inside of [ 18.226338] 64-byte region [ffff888103302300, ffff888103302340) [ 18.227239] [ 18.227456] The buggy address belongs to the physical page: [ 18.228195] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103302 [ 18.228995] flags: 0x200000000000000(node=0|zone=2) [ 18.229355] page_type: f5(slab) [ 18.229841] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000 [ 18.230972] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 18.231918] page dumped because: kasan: bad access detected [ 18.232750] [ 18.233015] Memory state around the buggy address: [ 18.233787] ffff888103302200: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 18.234304] ffff888103302280: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 18.235264] >ffff888103302300: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 18.235986] ^ [ 18.236845] ffff888103302380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.237451] ffff888103302400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.238141] ==================================================================
[ 20.646950] ================================================================== [ 20.648011] BUG: KASAN: out-of-bounds in kmalloc_memmove_negative_size+0x154/0x2e0 [ 20.648720] Read of size 18446744073709551614 at addr ffff00000e2e8a84 by task kunit_try_catch/233 [ 20.649551] [ 20.649719] CPU: 3 UID: 0 PID: 233 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT [ 20.649770] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.649786] Hardware name: Radxa ROCK Pi 4B (DT) [ 20.649803] Call trace: [ 20.649814] show_stack+0x20/0x38 (C) [ 20.649852] dump_stack_lvl+0x8c/0xd0 [ 20.649888] print_report+0x118/0x608 [ 20.649923] kasan_report+0xdc/0x128 [ 20.649954] kasan_check_range+0x100/0x1a8 [ 20.649990] __asan_memmove+0x3c/0x98 [ 20.650016] kmalloc_memmove_negative_size+0x154/0x2e0 [ 20.650050] kunit_try_run_case+0x170/0x3f0 [ 20.650084] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.650121] kthread+0x328/0x630 [ 20.650148] ret_from_fork+0x10/0x20 [ 20.650179] [ 20.656109] Allocated by task 233: [ 20.656435] kasan_save_stack+0x3c/0x68 [ 20.656814] kasan_save_track+0x20/0x40 [ 20.657189] kasan_save_alloc_info+0x40/0x58 [ 20.657605] __kasan_kmalloc+0xd4/0xd8 [ 20.657971] __kmalloc_cache_noprof+0x16c/0x3c0 [ 20.658408] kmalloc_memmove_negative_size+0xb0/0x2e0 [ 20.658890] kunit_try_run_case+0x170/0x3f0 [ 20.659297] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.659820] kthread+0x328/0x630 [ 20.660136] ret_from_fork+0x10/0x20 [ 20.660488] [ 20.660641] The buggy address belongs to the object at ffff00000e2e8a80 [ 20.660641] which belongs to the cache kmalloc-64 of size 64 [ 20.661758] The buggy address is located 4 bytes inside of [ 20.661758] 64-byte region [ffff00000e2e8a80, ffff00000e2e8ac0) [ 20.662801] [ 20.662956] The buggy address belongs to the physical page: [ 20.663470] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xe2e8 [ 20.664196] flags: 0x3fffe0000000000(node=0|zone=0|lastcpupid=0x1ffff) [ 20.664807] page_type: f5(slab) [ 20.665119] raw: 03fffe0000000000 ffff0000004028c0 dead000000000122 0000000000000000 [ 20.665835] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 20.666542] page dumped because: kasan: bad access detected [ 20.667056] [ 20.667210] Memory state around the buggy address: [ 20.667658] ffff00000e2e8980: 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc fc [ 20.668323] ffff00000e2e8a00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 20.668989] >ffff00000e2e8a80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 20.669650] ^ [ 20.669960] ffff00000e2e8b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.670625] ffff00000e2e8b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.671286] ==================================================================