Date
June 8, 2025, 11:09 p.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 | |
| rk3399-rock-pi-4b |
[ 27.631526] ================================================================== [ 27.641098] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 27.648299] Write of size 4 at addr ffff000801e28275 by task kunit_try_catch/221 [ 27.655677] [ 27.657164] CPU: 7 UID: 0 PID: 221 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT [ 27.657222] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.657238] Hardware name: WinLink E850-96 board (DT) [ 27.657261] Call trace: [ 27.657276] show_stack+0x20/0x38 (C) [ 27.657313] dump_stack_lvl+0x8c/0xd0 [ 27.657352] print_report+0x118/0x608 [ 27.657387] kasan_report+0xdc/0x128 [ 27.657421] kasan_check_range+0x100/0x1a8 [ 27.657457] __asan_memset+0x34/0x78 [ 27.657483] kmalloc_oob_memset_4+0x150/0x300 [ 27.657515] kunit_try_run_case+0x170/0x3f0 [ 27.657552] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.657588] kthread+0x328/0x630 [ 27.657620] ret_from_fork+0x10/0x20 [ 27.657655] [ 27.723037] Allocated by task 221: [ 27.726427] kasan_save_stack+0x3c/0x68 [ 27.730243] kasan_save_track+0x20/0x40 [ 27.734063] kasan_save_alloc_info+0x40/0x58 [ 27.738316] __kasan_kmalloc+0xd4/0xd8 [ 27.742047] __kmalloc_cache_noprof+0x16c/0x3c0 [ 27.746560] kmalloc_oob_memset_4+0xb0/0x300 [ 27.750814] kunit_try_run_case+0x170/0x3f0 [ 27.754981] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 27.760450] kthread+0x328/0x630 [ 27.763661] ret_from_fork+0x10/0x20 [ 27.767220] [ 27.768697] The buggy address belongs to the object at ffff000801e28200 [ 27.768697] which belongs to the cache kmalloc-128 of size 128 [ 27.781197] The buggy address is located 117 bytes inside of [ 27.781197] allocated 120-byte region [ffff000801e28200, ffff000801e28278) [ 27.793782] [ 27.795261] The buggy address belongs to the physical page: [ 27.800817] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881e28 [ 27.808801] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 27.816440] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 27.823384] page_type: f5(slab) [ 27.826522] raw: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000 [ 27.834240] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 27.841966] head: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000 [ 27.849778] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000 [ 27.857591] head: 0bfffe0000000001 fffffdffe0078a01 00000000ffffffff 00000000ffffffff [ 27.865403] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 27.873208] page dumped because: kasan: bad access detected [ 27.878763] [ 27.880239] Memory state around the buggy address: [ 27.885018] ffff000801e28100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.892222] ffff000801e28180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.899428] >ffff000801e28200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 27.906628] ^ [ 27.913749] ffff000801e28280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.920954] ffff000801e28300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.928158] ==================================================================
[ 25.354136] ================================================================== [ 25.354817] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 25.355155] Write of size 4 at addr fff00000c6507675 by task kunit_try_catch/174 [ 25.355615] [ 25.355721] CPU: 0 UID: 0 PID: 174 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT [ 25.355925] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.356104] Hardware name: linux,dummy-virt (DT) [ 25.356315] Call trace: [ 25.356642] show_stack+0x20/0x38 (C) [ 25.357214] dump_stack_lvl+0x8c/0xd0 [ 25.357569] print_report+0x118/0x608 [ 25.358314] kasan_report+0xdc/0x128 [ 25.358631] kasan_check_range+0x100/0x1a8 [ 25.358824] __asan_memset+0x34/0x78 [ 25.358976] kmalloc_oob_memset_4+0x150/0x300 [ 25.359139] kunit_try_run_case+0x170/0x3f0 [ 25.359275] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.359589] kthread+0x328/0x630 [ 25.359762] ret_from_fork+0x10/0x20 [ 25.359984] [ 25.360029] Allocated by task 174: [ 25.360110] kasan_save_stack+0x3c/0x68 [ 25.360226] kasan_save_track+0x20/0x40 [ 25.360371] kasan_save_alloc_info+0x40/0x58 [ 25.360490] __kasan_kmalloc+0xd4/0xd8 [ 25.360596] __kmalloc_cache_noprof+0x16c/0x3c0 [ 25.360702] kmalloc_oob_memset_4+0xb0/0x300 [ 25.360804] kunit_try_run_case+0x170/0x3f0 [ 25.360969] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.361124] kthread+0x328/0x630 [ 25.361267] ret_from_fork+0x10/0x20 [ 25.361379] [ 25.361436] The buggy address belongs to the object at fff00000c6507600 [ 25.361436] which belongs to the cache kmalloc-128 of size 128 [ 25.361583] The buggy address is located 117 bytes inside of [ 25.361583] allocated 120-byte region [fff00000c6507600, fff00000c6507678) [ 25.361775] [ 25.361836] The buggy address belongs to the physical page: [ 25.361920] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106507 [ 25.362075] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 25.362199] page_type: f5(slab) [ 25.362297] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 25.362532] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 25.362732] page dumped because: kasan: bad access detected [ 25.362953] [ 25.363065] Memory state around the buggy address: [ 25.363868] fff00000c6507500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.364104] fff00000c6507580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.364331] >fff00000c6507600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 25.364809] ^ [ 25.365314] fff00000c6507680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.365449] fff00000c6507700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.367018] ==================================================================
[ 25.610094] ================================================================== [ 25.610217] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 25.610336] Write of size 4 at addr fff00000c7747475 by task kunit_try_catch/174 [ 25.610450] [ 25.610529] CPU: 0 UID: 0 PID: 174 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT [ 25.610722] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.610783] Hardware name: linux,dummy-virt (DT) [ 25.610875] Call trace: [ 25.614078] show_stack+0x20/0x38 (C) [ 25.614471] dump_stack_lvl+0x8c/0xd0 [ 25.614732] print_report+0x118/0x608 [ 25.615919] kasan_report+0xdc/0x128 [ 25.616627] kasan_check_range+0x100/0x1a8 [ 25.616763] __asan_memset+0x34/0x78 [ 25.616950] kmalloc_oob_memset_4+0x150/0x300 [ 25.617193] kunit_try_run_case+0x170/0x3f0 [ 25.617689] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.617872] kthread+0x328/0x630 [ 25.618165] ret_from_fork+0x10/0x20 [ 25.618344] [ 25.618653] Allocated by task 174: [ 25.618745] kasan_save_stack+0x3c/0x68 [ 25.618876] kasan_save_track+0x20/0x40 [ 25.619104] kasan_save_alloc_info+0x40/0x58 [ 25.619219] __kasan_kmalloc+0xd4/0xd8 [ 25.619485] __kmalloc_cache_noprof+0x16c/0x3c0 [ 25.619770] kmalloc_oob_memset_4+0xb0/0x300 [ 25.619896] kunit_try_run_case+0x170/0x3f0 [ 25.619994] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 25.620160] kthread+0x328/0x630 [ 25.620302] ret_from_fork+0x10/0x20 [ 25.620443] [ 25.620531] The buggy address belongs to the object at fff00000c7747400 [ 25.620531] which belongs to the cache kmalloc-128 of size 128 [ 25.620721] The buggy address is located 117 bytes inside of [ 25.620721] allocated 120-byte region [fff00000c7747400, fff00000c7747478) [ 25.621212] [ 25.621276] The buggy address belongs to the physical page: [ 25.621361] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107747 [ 25.621507] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 25.621762] page_type: f5(slab) [ 25.621902] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 25.622061] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 25.622272] page dumped because: kasan: bad access detected [ 25.622349] [ 25.622409] Memory state around the buggy address: [ 25.622578] fff00000c7747300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.622681] fff00000c7747380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.622778] >fff00000c7747400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 25.622888] ^ [ 25.622986] fff00000c7747480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.623088] fff00000c7747500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 25.623374] ==================================================================
[ 18.969030] ================================================================== [ 18.969970] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x166/0x330 [ 18.970668] Write of size 4 at addr ffff8881039c8075 by task kunit_try_catch/192 [ 18.973096] [ 18.973880] CPU: 0 UID: 0 PID: 192 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT(voluntary) [ 18.974008] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.974046] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.974104] Call Trace: [ 18.974152] <TASK> [ 18.974199] dump_stack_lvl+0x73/0xb0 [ 18.974299] print_report+0xd1/0x650 [ 18.974362] ? __virt_addr_valid+0x1db/0x2d0 [ 18.974423] ? kmalloc_oob_memset_4+0x166/0x330 [ 18.974481] ? kasan_complete_mode_report_info+0x2a/0x200 [ 18.975110] ? kmalloc_oob_memset_4+0x166/0x330 [ 18.975209] kasan_report+0x141/0x180 [ 18.975281] ? kmalloc_oob_memset_4+0x166/0x330 [ 18.975362] kasan_check_range+0x10c/0x1c0 [ 18.975439] __asan_memset+0x27/0x50 [ 18.975521] kmalloc_oob_memset_4+0x166/0x330 [ 18.975595] ? __pfx_kmalloc_oob_memset_4+0x10/0x10 [ 18.975661] ? __schedule+0x10cc/0x2b60 [ 18.975733] ? __pfx_read_tsc+0x10/0x10 [ 18.975795] ? ktime_get_ts64+0x86/0x230 [ 18.975861] kunit_try_run_case+0x1a5/0x480 [ 18.975931] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.975993] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 18.976567] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 18.976635] ? __kthread_parkme+0x82/0x180 [ 18.976694] ? preempt_count_sub+0x50/0x80 [ 18.976761] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.976847] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.976923] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 18.976983] kthread+0x337/0x6f0 [ 18.977031] ? trace_preempt_on+0x20/0xc0 [ 18.977089] ? __pfx_kthread+0x10/0x10 [ 18.977137] ? _raw_spin_unlock_irq+0x47/0x80 [ 18.977186] ? calculate_sigpending+0x7b/0xa0 [ 18.977246] ? __pfx_kthread+0x10/0x10 [ 18.977299] ret_from_fork+0x116/0x1d0 [ 18.977344] ? __pfx_kthread+0x10/0x10 [ 18.977392] ret_from_fork_asm+0x1a/0x30 [ 18.977464] </TASK> [ 18.977491] [ 19.005338] Allocated by task 192: [ 19.006558] kasan_save_stack+0x45/0x70 [ 19.007673] kasan_save_track+0x18/0x40 [ 19.008320] kasan_save_alloc_info+0x3b/0x50 [ 19.009064] __kasan_kmalloc+0xb7/0xc0 [ 19.009775] __kmalloc_cache_noprof+0x189/0x420 [ 19.010146] kmalloc_oob_memset_4+0xac/0x330 [ 19.010845] kunit_try_run_case+0x1a5/0x480 [ 19.011251] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.012361] kthread+0x337/0x6f0 [ 19.012840] ret_from_fork+0x116/0x1d0 [ 19.013904] ret_from_fork_asm+0x1a/0x30 [ 19.014748] [ 19.014989] The buggy address belongs to the object at ffff8881039c8000 [ 19.014989] which belongs to the cache kmalloc-128 of size 128 [ 19.016366] The buggy address is located 117 bytes inside of [ 19.016366] allocated 120-byte region [ffff8881039c8000, ffff8881039c8078) [ 19.017352] [ 19.017742] The buggy address belongs to the physical page: [ 19.018942] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039c8 [ 19.019809] flags: 0x200000000000000(node=0|zone=2) [ 19.020695] page_type: f5(slab) [ 19.021080] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 19.021858] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.023213] page dumped because: kasan: bad access detected [ 19.023857] [ 19.024012] Memory state around the buggy address: [ 19.024340] ffff8881039c7f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 19.025816] ffff8881039c7f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 19.026943] >ffff8881039c8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.028232] ^ [ 19.029477] ffff8881039c8080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.030229] ffff8881039c8100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.031070] ==================================================================
[ 18.039461] ================================================================== [ 18.040478] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x166/0x330 [ 18.041033] Write of size 4 at addr ffff8881032f7675 by task kunit_try_catch/192 [ 18.041559] [ 18.041744] CPU: 0 UID: 0 PID: 192 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT(voluntary) [ 18.041806] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.041822] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 18.041852] Call Trace: [ 18.041868] <TASK> [ 18.042634] dump_stack_lvl+0x73/0xb0 [ 18.042769] print_report+0xd1/0x650 [ 18.042901] ? __virt_addr_valid+0x1db/0x2d0 [ 18.042987] ? kmalloc_oob_memset_4+0x166/0x330 [ 18.043058] ? kasan_complete_mode_report_info+0x2a/0x200 [ 18.043173] ? kmalloc_oob_memset_4+0x166/0x330 [ 18.043249] kasan_report+0x141/0x180 [ 18.043322] ? kmalloc_oob_memset_4+0x166/0x330 [ 18.043406] kasan_check_range+0x10c/0x1c0 [ 18.043483] __asan_memset+0x27/0x50 [ 18.043682] kmalloc_oob_memset_4+0x166/0x330 [ 18.043759] ? __pfx_kmalloc_oob_memset_4+0x10/0x10 [ 18.043796] ? __schedule+0x10cc/0x2b60 [ 18.043832] ? __pfx_read_tsc+0x10/0x10 [ 18.043862] ? ktime_get_ts64+0x86/0x230 [ 18.043928] kunit_try_run_case+0x1a5/0x480 [ 18.043969] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.044003] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 18.044037] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 18.044071] ? __kthread_parkme+0x82/0x180 [ 18.044123] ? preempt_count_sub+0x50/0x80 [ 18.044176] ? __pfx_kunit_try_run_case+0x10/0x10 [ 18.044213] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.044246] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 18.044280] kthread+0x337/0x6f0 [ 18.044309] ? trace_preempt_on+0x20/0xc0 [ 18.044343] ? __pfx_kthread+0x10/0x10 [ 18.044371] ? _raw_spin_unlock_irq+0x47/0x80 [ 18.044401] ? calculate_sigpending+0x7b/0xa0 [ 18.044435] ? __pfx_kthread+0x10/0x10 [ 18.044464] ret_from_fork+0x116/0x1d0 [ 18.044490] ? __pfx_kthread+0x10/0x10 [ 18.044536] ret_from_fork_asm+0x1a/0x30 [ 18.044650] </TASK> [ 18.044669] [ 18.062522] Allocated by task 192: [ 18.062811] kasan_save_stack+0x45/0x70 [ 18.063257] kasan_save_track+0x18/0x40 [ 18.063684] kasan_save_alloc_info+0x3b/0x50 [ 18.064429] __kasan_kmalloc+0xb7/0xc0 [ 18.065156] __kmalloc_cache_noprof+0x189/0x420 [ 18.065572] kmalloc_oob_memset_4+0xac/0x330 [ 18.065932] kunit_try_run_case+0x1a5/0x480 [ 18.066378] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 18.067442] kthread+0x337/0x6f0 [ 18.067845] ret_from_fork+0x116/0x1d0 [ 18.068253] ret_from_fork_asm+0x1a/0x30 [ 18.069066] [ 18.069321] The buggy address belongs to the object at ffff8881032f7600 [ 18.069321] which belongs to the cache kmalloc-128 of size 128 [ 18.070448] The buggy address is located 117 bytes inside of [ 18.070448] allocated 120-byte region [ffff8881032f7600, ffff8881032f7678) [ 18.071180] [ 18.071420] The buggy address belongs to the physical page: [ 18.072015] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1032f7 [ 18.073212] flags: 0x200000000000000(node=0|zone=2) [ 18.073725] page_type: f5(slab) [ 18.074093] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 18.074604] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.075611] page dumped because: kasan: bad access detected [ 18.076527] [ 18.077025] Memory state around the buggy address: [ 18.078589] ffff8881032f7500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.079747] ffff8881032f7580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.080546] >ffff8881032f7600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.081565] ^ [ 18.082404] ffff8881032f7680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.083127] ffff8881032f7700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.084032] ==================================================================
[ 20.561416] ================================================================== [ 20.562493] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 20.563178] Write of size 4 at addr ffff00000e2f8375 by task kunit_try_catch/227 [ 20.563861] [ 20.564025] CPU: 2 UID: 0 PID: 227 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT [ 20.564074] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.564088] Hardware name: Radxa ROCK Pi 4B (DT) [ 20.564105] Call trace: [ 20.564116] show_stack+0x20/0x38 (C) [ 20.564148] dump_stack_lvl+0x8c/0xd0 [ 20.564183] print_report+0x118/0x608 [ 20.564216] kasan_report+0xdc/0x128 [ 20.564247] kasan_check_range+0x100/0x1a8 [ 20.564280] __asan_memset+0x34/0x78 [ 20.564306] kmalloc_oob_memset_4+0x150/0x300 [ 20.564335] kunit_try_run_case+0x170/0x3f0 [ 20.564369] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.564406] kthread+0x328/0x630 [ 20.564433] ret_from_fork+0x10/0x20 [ 20.564467] [ 20.570324] Allocated by task 227: [ 20.570653] kasan_save_stack+0x3c/0x68 [ 20.571032] kasan_save_track+0x20/0x40 [ 20.571406] kasan_save_alloc_info+0x40/0x58 [ 20.571822] __kasan_kmalloc+0xd4/0xd8 [ 20.572189] __kmalloc_cache_noprof+0x16c/0x3c0 [ 20.572626] kmalloc_oob_memset_4+0xb0/0x300 [ 20.573039] kunit_try_run_case+0x170/0x3f0 [ 20.573445] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.573969] kthread+0x328/0x630 [ 20.574285] ret_from_fork+0x10/0x20 [ 20.574635] [ 20.574787] The buggy address belongs to the object at ffff00000e2f8300 [ 20.574787] which belongs to the cache kmalloc-128 of size 128 [ 20.575920] The buggy address is located 117 bytes inside of [ 20.575920] allocated 120-byte region [ffff00000e2f8300, ffff00000e2f8378) [ 20.577064] [ 20.577218] The buggy address belongs to the physical page: [ 20.577734] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xe2f8 [ 20.578457] flags: 0x3fffe0000000000(node=0|zone=0|lastcpupid=0x1ffff) [ 20.579068] page_type: f5(slab) [ 20.579381] raw: 03fffe0000000000 ffff000000402a00 dead000000000122 0000000000000000 [ 20.580096] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 20.580803] page dumped because: kasan: bad access detected [ 20.581319] [ 20.581471] Memory state around the buggy address: [ 20.581920] ffff00000e2f8200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 20.582585] ffff00000e2f8280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.583252] >ffff00000e2f8300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 20.583913] ^ [ 20.584568] ffff00000e2f8380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.585233] ffff00000e2f8400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.585896] ==================================================================