Date
Nov. 27, 2024, 3:37 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 46.519172] ================================================================== [ 46.520065] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x5d0/0x660 [ 46.520919] Read of size 1 at addr fff00000c60f1880 by task kunit_try_catch/125 [ 46.522589] [ 46.523050] CPU: 0 UID: 0 PID: 125 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241127 #1 [ 46.524408] Tainted: [B]=BAD_PAGE, [N]=TEST [ 46.524934] Hardware name: linux,dummy-virt (DT) [ 46.525743] Call trace: [ 46.526214] show_stack+0x20/0x38 (C) [ 46.526713] dump_stack_lvl+0x8c/0xd0 [ 46.527168] print_report+0x118/0x5e0 [ 46.527793] kasan_report+0xc8/0x118 [ 46.528247] __asan_report_load1_noabort+0x20/0x30 [ 46.528999] kmalloc_oob_right+0x5d0/0x660 [ 46.529658] kunit_try_run_case+0x14c/0x3d0 [ 46.530319] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 46.531574] kthread+0x24c/0x2d0 [ 46.532142] ret_from_fork+0x10/0x20 [ 46.532814] [ 46.533430] Allocated by task 125: [ 46.534772] kasan_save_stack+0x3c/0x68 [ 46.535377] kasan_save_track+0x20/0x40 [ 46.535979] kasan_save_alloc_info+0x40/0x58 [ 46.536799] __kasan_kmalloc+0xd4/0xd8 [ 46.537443] __kmalloc_cache_noprof+0x15c/0x3c0 [ 46.538143] kmalloc_oob_right+0xb0/0x660 [ 46.538718] kunit_try_run_case+0x14c/0x3d0 [ 46.539547] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 46.540425] kthread+0x24c/0x2d0 [ 46.541000] ret_from_fork+0x10/0x20 [ 46.541511] [ 46.541925] The buggy address belongs to the object at fff00000c60f1800 [ 46.541925] which belongs to the cache kmalloc-128 of size 128 [ 46.543892] The buggy address is located 13 bytes to the right of [ 46.543892] allocated 115-byte region [fff00000c60f1800, fff00000c60f1873) [ 46.545154] [ 46.545539] The buggy address belongs to the physical page: [ 46.546543] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1060f1 [ 46.547458] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 46.548494] page_type: f5(slab) [ 46.548938] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 46.550189] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 46.551716] page dumped because: kasan: bad access detected [ 46.552243] [ 46.552837] Memory state around the buggy address: [ 46.553860] fff00000c60f1780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.555228] fff00000c60f1800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 46.556333] >fff00000c60f1880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.557650] ^ [ 46.558019] fff00000c60f1900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.559032] fff00000c60f1980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.559811] ================================================================== [ 46.474735] ================================================================== [ 46.475501] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x538/0x660 [ 46.476260] Write of size 1 at addr fff00000c60f1878 by task kunit_try_catch/125 [ 46.477008] [ 46.478001] CPU: 0 UID: 0 PID: 125 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241127 #1 [ 46.479508] Tainted: [B]=BAD_PAGE, [N]=TEST [ 46.480055] Hardware name: linux,dummy-virt (DT) [ 46.480559] Call trace: [ 46.480979] show_stack+0x20/0x38 (C) [ 46.482318] dump_stack_lvl+0x8c/0xd0 [ 46.482907] print_report+0x118/0x5e0 [ 46.483556] kasan_report+0xc8/0x118 [ 46.483988] __asan_report_store1_noabort+0x20/0x30 [ 46.484375] kmalloc_oob_right+0x538/0x660 [ 46.484840] kunit_try_run_case+0x14c/0x3d0 [ 46.485458] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 46.486572] kthread+0x24c/0x2d0 [ 46.487010] ret_from_fork+0x10/0x20 [ 46.487936] [ 46.488393] Allocated by task 125: [ 46.488896] kasan_save_stack+0x3c/0x68 [ 46.489586] kasan_save_track+0x20/0x40 [ 46.490668] kasan_save_alloc_info+0x40/0x58 [ 46.491117] __kasan_kmalloc+0xd4/0xd8 [ 46.491768] __kmalloc_cache_noprof+0x15c/0x3c0 [ 46.492629] kmalloc_oob_right+0xb0/0x660 [ 46.493321] kunit_try_run_case+0x14c/0x3d0 [ 46.493952] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 46.495157] kthread+0x24c/0x2d0 [ 46.495789] ret_from_fork+0x10/0x20 [ 46.496513] [ 46.496745] The buggy address belongs to the object at fff00000c60f1800 [ 46.496745] which belongs to the cache kmalloc-128 of size 128 [ 46.498683] The buggy address is located 5 bytes to the right of [ 46.498683] allocated 115-byte region [fff00000c60f1800, fff00000c60f1873) [ 46.500143] [ 46.500438] The buggy address belongs to the physical page: [ 46.500909] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1060f1 [ 46.502620] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 46.503403] page_type: f5(slab) [ 46.504067] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 46.504945] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 46.506281] page dumped because: kasan: bad access detected [ 46.507354] [ 46.507702] Memory state around the buggy address: [ 46.508247] fff00000c60f1700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 46.508957] fff00000c60f1780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.509918] >fff00000c60f1800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 46.511316] ^ [ 46.512583] fff00000c60f1880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.513106] fff00000c60f1900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.515452] ================================================================== [ 46.424202] ================================================================== [ 46.426189] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x5a4/0x660 [ 46.428256] Write of size 1 at addr fff00000c60f1873 by task kunit_try_catch/125 [ 46.428976] [ 46.430717] CPU: 0 UID: 0 PID: 125 Comm: kunit_try_catch Tainted: G N 6.12.0-next-20241127 #1 [ 46.432107] Tainted: [N]=TEST [ 46.432573] Hardware name: linux,dummy-virt (DT) [ 46.433631] Call trace: [ 46.434574] show_stack+0x20/0x38 (C) [ 46.435238] dump_stack_lvl+0x8c/0xd0 [ 46.435836] print_report+0x118/0x5e0 [ 46.436432] kasan_report+0xc8/0x118 [ 46.436886] __asan_report_store1_noabort+0x20/0x30 [ 46.437694] kmalloc_oob_right+0x5a4/0x660 [ 46.438237] kunit_try_run_case+0x14c/0x3d0 [ 46.439268] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 46.440178] kthread+0x24c/0x2d0 [ 46.440667] ret_from_fork+0x10/0x20 [ 46.441431] [ 46.441781] Allocated by task 125: [ 46.442429] kasan_save_stack+0x3c/0x68 [ 46.443380] kasan_save_track+0x20/0x40 [ 46.444087] kasan_save_alloc_info+0x40/0x58 [ 46.444573] __kasan_kmalloc+0xd4/0xd8 [ 46.445103] __kmalloc_cache_noprof+0x15c/0x3c0 [ 46.445667] kmalloc_oob_right+0xb0/0x660 [ 46.446439] kunit_try_run_case+0x14c/0x3d0 [ 46.447128] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 46.447749] kthread+0x24c/0x2d0 [ 46.448440] ret_from_fork+0x10/0x20 [ 46.448904] [ 46.449341] The buggy address belongs to the object at fff00000c60f1800 [ 46.449341] which belongs to the cache kmalloc-128 of size 128 [ 46.451475] The buggy address is located 0 bytes to the right of [ 46.451475] allocated 115-byte region [fff00000c60f1800, fff00000c60f1873) [ 46.452808] [ 46.453643] The buggy address belongs to the physical page: [ 46.454709] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1060f1 [ 46.455575] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 46.456881] page_type: f5(slab) [ 46.458161] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 46.459647] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 46.460925] page dumped because: kasan: bad access detected [ 46.461913] [ 46.462395] Memory state around the buggy address: [ 46.463570] fff00000c60f1700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 46.464516] fff00000c60f1780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.465601] >fff00000c60f1800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 46.467114] ^ [ 46.468177] fff00000c60f1880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.469066] fff00000c60f1900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 46.470025] ==================================================================
[ 23.587181] ================================================================== [ 23.587588] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x68c/0x7f0 [ 23.589035] Read of size 1 at addr ffff888101a9d180 by task kunit_try_catch/144 [ 23.590605] [ 23.591325] CPU: 1 UID: 0 PID: 144 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241127 #1 [ 23.591898] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.592694] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.593642] Call Trace: [ 23.593773] <TASK> [ 23.593893] dump_stack_lvl+0x73/0xb0 [ 23.594455] print_report+0xd1/0x640 [ 23.594660] ? __virt_addr_valid+0x1db/0x2d0 [ 23.594862] ? kasan_complete_mode_report_info+0x2a/0x200 [ 23.596431] kasan_report+0x102/0x140 [ 23.597066] ? kmalloc_oob_right+0x68c/0x7f0 [ 23.598120] ? kmalloc_oob_right+0x68c/0x7f0 [ 23.598597] __asan_report_load1_noabort+0x18/0x20 [ 23.599587] kmalloc_oob_right+0x68c/0x7f0 [ 23.600302] ? __pfx_kmalloc_oob_right+0x10/0x10 [ 23.601031] ? __schedule+0xc3e/0x2790 [ 23.601431] ? __pfx_read_tsc+0x10/0x10 [ 23.602221] ? ktime_get_ts64+0x84/0x230 [ 23.603029] kunit_try_run_case+0x1b3/0x490 [ 23.603684] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.604399] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 23.604892] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.606081] ? __kthread_parkme+0x82/0x160 [ 23.606630] ? preempt_count_sub+0x50/0x80 [ 23.607784] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.608673] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.609359] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.609882] kthread+0x257/0x310 [ 23.610840] ? __pfx_kthread+0x10/0x10 [ 23.611585] ret_from_fork+0x41/0x80 [ 23.612182] ? __pfx_kthread+0x10/0x10 [ 23.612831] ret_from_fork_asm+0x1a/0x30 [ 23.613467] </TASK> [ 23.613774] [ 23.614423] Allocated by task 144: [ 23.614906] kasan_save_stack+0x3d/0x60 [ 23.615749] kasan_save_track+0x18/0x40 [ 23.616146] kasan_save_alloc_info+0x3b/0x50 [ 23.617303] __kasan_kmalloc+0xb7/0xc0 [ 23.617807] __kmalloc_cache_noprof+0x184/0x410 [ 23.619038] kmalloc_oob_right+0xaa/0x7f0 [ 23.619442] kunit_try_run_case+0x1b3/0x490 [ 23.620232] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.620921] kthread+0x257/0x310 [ 23.621676] ret_from_fork+0x41/0x80 [ 23.622645] ret_from_fork_asm+0x1a/0x30 [ 23.623020] [ 23.623303] The buggy address belongs to the object at ffff888101a9d100 [ 23.623303] which belongs to the cache kmalloc-128 of size 128 [ 23.624668] The buggy address is located 13 bytes to the right of [ 23.624668] allocated 115-byte region [ffff888101a9d100, ffff888101a9d173) [ 23.625325] [ 23.626325] The buggy address belongs to the physical page: [ 23.626781] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101a9d [ 23.628053] flags: 0x200000000000000(node=0|zone=2) [ 23.629055] page_type: f5(slab) [ 23.629657] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 23.630919] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 23.631942] page dumped because: kasan: bad access detected [ 23.632743] [ 23.632933] Memory state around the buggy address: [ 23.633678] ffff888101a9d080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.634872] ffff888101a9d100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 23.635880] >ffff888101a9d180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.636682] ^ [ 23.637044] ffff888101a9d200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.638440] ffff888101a9d280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.639363] ================================================================== [ 23.471866] ================================================================== [ 23.473262] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x6f2/0x7f0 [ 23.474582] Write of size 1 at addr ffff888101a9d173 by task kunit_try_catch/144 [ 23.475396] [ 23.477362] CPU: 1 UID: 0 PID: 144 Comm: kunit_try_catch Tainted: G N 6.12.0-next-20241127 #1 [ 23.478765] Tainted: [N]=TEST [ 23.479557] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.481402] Call Trace: [ 23.481781] <TASK> [ 23.482892] dump_stack_lvl+0x73/0xb0 [ 23.483550] print_report+0xd1/0x640 [ 23.483951] ? __virt_addr_valid+0x1db/0x2d0 [ 23.484519] ? kasan_complete_mode_report_info+0x2a/0x200 [ 23.485097] kasan_report+0x102/0x140 [ 23.485494] ? kmalloc_oob_right+0x6f2/0x7f0 [ 23.485973] ? kmalloc_oob_right+0x6f2/0x7f0 [ 23.486375] __asan_report_store1_noabort+0x1b/0x30 [ 23.487323] kmalloc_oob_right+0x6f2/0x7f0 [ 23.487685] ? __pfx_kmalloc_oob_right+0x10/0x10 [ 23.488548] ? __schedule+0xc3e/0x2790 [ 23.488938] ? __pfx_read_tsc+0x10/0x10 [ 23.489590] ? ktime_get_ts64+0x84/0x230 [ 23.490244] kunit_try_run_case+0x1b3/0x490 [ 23.491261] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.491655] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 23.492471] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.493043] ? __kthread_parkme+0x82/0x160 [ 23.493474] ? preempt_count_sub+0x50/0x80 [ 23.493971] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.494682] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.495668] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.496487] kthread+0x257/0x310 [ 23.496976] ? __pfx_kthread+0x10/0x10 [ 23.497431] ret_from_fork+0x41/0x80 [ 23.497950] ? __pfx_kthread+0x10/0x10 [ 23.498336] ret_from_fork_asm+0x1a/0x30 [ 23.499410] </TASK> [ 23.499755] [ 23.500122] Allocated by task 144: [ 23.500792] kasan_save_stack+0x3d/0x60 [ 23.501686] kasan_save_track+0x18/0x40 [ 23.502076] kasan_save_alloc_info+0x3b/0x50 [ 23.502767] __kasan_kmalloc+0xb7/0xc0 [ 23.503178] __kmalloc_cache_noprof+0x184/0x410 [ 23.504459] kmalloc_oob_right+0xaa/0x7f0 [ 23.504810] kunit_try_run_case+0x1b3/0x490 [ 23.505428] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.505915] kthread+0x257/0x310 [ 23.506332] ret_from_fork+0x41/0x80 [ 23.506948] ret_from_fork_asm+0x1a/0x30 [ 23.507813] [ 23.508382] The buggy address belongs to the object at ffff888101a9d100 [ 23.508382] which belongs to the cache kmalloc-128 of size 128 [ 23.509961] The buggy address is located 0 bytes to the right of [ 23.509961] allocated 115-byte region [ffff888101a9d100, ffff888101a9d173) [ 23.511532] [ 23.512045] The buggy address belongs to the physical page: [ 23.513255] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101a9d [ 23.514903] flags: 0x200000000000000(node=0|zone=2) [ 23.516468] page_type: f5(slab) [ 23.517445] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 23.518511] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 23.520114] page dumped because: kasan: bad access detected [ 23.520663] [ 23.520878] Memory state around the buggy address: [ 23.522487] ffff888101a9d000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 23.523330] ffff888101a9d080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.524399] >ffff888101a9d100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 23.525208] ^ [ 23.526306] ffff888101a9d180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.527040] ffff888101a9d200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.527740] ================================================================== [ 23.531490] ================================================================== [ 23.532149] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x6bf/0x7f0 [ 23.532810] Write of size 1 at addr ffff888101a9d178 by task kunit_try_catch/144 [ 23.534528] [ 23.535127] CPU: 1 UID: 0 PID: 144 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241127 #1 [ 23.536147] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.537312] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.538115] Call Trace: [ 23.538336] <TASK> [ 23.538900] dump_stack_lvl+0x73/0xb0 [ 23.539607] print_report+0xd1/0x640 [ 23.540442] ? __virt_addr_valid+0x1db/0x2d0 [ 23.541344] ? kasan_complete_mode_report_info+0x2a/0x200 [ 23.541899] kasan_report+0x102/0x140 [ 23.542739] ? kmalloc_oob_right+0x6bf/0x7f0 [ 23.543507] ? kmalloc_oob_right+0x6bf/0x7f0 [ 23.544374] __asan_report_store1_noabort+0x1b/0x30 [ 23.544917] kmalloc_oob_right+0x6bf/0x7f0 [ 23.546038] ? __pfx_kmalloc_oob_right+0x10/0x10 [ 23.546620] ? __schedule+0xc3e/0x2790 [ 23.547621] ? __pfx_read_tsc+0x10/0x10 [ 23.547977] ? ktime_get_ts64+0x84/0x230 [ 23.548518] kunit_try_run_case+0x1b3/0x490 [ 23.549631] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.550520] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 23.551282] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.551743] ? __kthread_parkme+0x82/0x160 [ 23.552692] ? preempt_count_sub+0x50/0x80 [ 23.553331] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.553812] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.554828] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.555661] kthread+0x257/0x310 [ 23.556372] ? __pfx_kthread+0x10/0x10 [ 23.557275] ret_from_fork+0x41/0x80 [ 23.557662] ? __pfx_kthread+0x10/0x10 [ 23.558715] ret_from_fork_asm+0x1a/0x30 [ 23.559266] </TASK> [ 23.559874] [ 23.560288] Allocated by task 144: [ 23.560603] kasan_save_stack+0x3d/0x60 [ 23.561086] kasan_save_track+0x18/0x40 [ 23.561766] kasan_save_alloc_info+0x3b/0x50 [ 23.562354] __kasan_kmalloc+0xb7/0xc0 [ 23.563372] __kmalloc_cache_noprof+0x184/0x410 [ 23.563779] kmalloc_oob_right+0xaa/0x7f0 [ 23.564596] kunit_try_run_case+0x1b3/0x490 [ 23.565199] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.565906] kthread+0x257/0x310 [ 23.566437] ret_from_fork+0x41/0x80 [ 23.566825] ret_from_fork_asm+0x1a/0x30 [ 23.567830] [ 23.567977] The buggy address belongs to the object at ffff888101a9d100 [ 23.567977] which belongs to the cache kmalloc-128 of size 128 [ 23.570119] The buggy address is located 5 bytes to the right of [ 23.570119] allocated 115-byte region [ffff888101a9d100, ffff888101a9d173) [ 23.572247] [ 23.572840] The buggy address belongs to the physical page: [ 23.573465] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101a9d [ 23.575162] flags: 0x200000000000000(node=0|zone=2) [ 23.575767] page_type: f5(slab) [ 23.576322] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 23.577328] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 23.578499] page dumped because: kasan: bad access detected [ 23.579275] [ 23.579446] Memory state around the buggy address: [ 23.579845] ffff888101a9d000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 23.581267] ffff888101a9d080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.581884] >ffff888101a9d100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 23.583382] ^ [ 23.583930] ffff888101a9d180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.585027] ffff888101a9d200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.585802] ==================================================================