Date
Nov. 20, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 35.359921] ================================================================== [ 35.361524] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x5a4/0x660 [ 35.363675] Write of size 1 at addr fff00000c1bea573 by task kunit_try_catch/125 [ 35.364499] [ 35.366419] CPU: 1 UID: 0 PID: 125 Comm: kunit_try_catch Tainted: G N 6.12.0-next-20241120 #1 [ 35.367784] Tainted: [N]=TEST [ 35.368255] Hardware name: linux,dummy-virt (DT) [ 35.369497] Call trace: [ 35.370295] show_stack+0x20/0x38 (C) [ 35.371148] dump_stack_lvl+0x8c/0xd0 [ 35.371705] print_report+0x118/0x5e0 [ 35.372339] kasan_report+0xc8/0x118 [ 35.372950] __asan_report_store1_noabort+0x20/0x30 [ 35.373888] kmalloc_oob_right+0x5a4/0x660 [ 35.374424] kunit_try_run_case+0x14c/0x3d0 [ 35.375068] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.375816] kthread+0x24c/0x2d0 [ 35.376371] ret_from_fork+0x10/0x20 [ 35.377462] [ 35.377892] Allocated by task 125: [ 35.378748] kasan_save_stack+0x3c/0x68 [ 35.379460] kasan_save_track+0x20/0x40 [ 35.379896] kasan_save_alloc_info+0x40/0x58 [ 35.380326] __kasan_kmalloc+0xd4/0xd8 [ 35.380775] __kmalloc_cache_noprof+0x15c/0x3c8 [ 35.381452] kmalloc_oob_right+0xb0/0x660 [ 35.382144] kunit_try_run_case+0x14c/0x3d0 [ 35.382771] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.383494] kthread+0x24c/0x2d0 [ 35.384023] ret_from_fork+0x10/0x20 [ 35.384805] [ 35.385389] The buggy address belongs to the object at fff00000c1bea500 [ 35.385389] which belongs to the cache kmalloc-128 of size 128 [ 35.387195] The buggy address is located 0 bytes to the right of [ 35.387195] allocated 115-byte region [fff00000c1bea500, fff00000c1bea573) [ 35.388531] [ 35.389173] The buggy address belongs to the physical page: [ 35.390656] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101bea [ 35.391841] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 35.393079] page_type: f5(slab) [ 35.394575] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 35.395321] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 35.396311] page dumped because: kasan: bad access detected [ 35.396967] [ 35.397325] Memory state around the buggy address: [ 35.398430] fff00000c1bea400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 35.399312] fff00000c1bea480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 35.401657] >fff00000c1bea500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 35.402507] ^ [ 35.403385] fff00000c1bea580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 35.404112] fff00000c1bea600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 35.404943] ================================================================== [ 35.409275] ================================================================== [ 35.410088] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x538/0x660 [ 35.410862] Write of size 1 at addr fff00000c1bea578 by task kunit_try_catch/125 [ 35.412724] [ 35.412979] CPU: 1 UID: 0 PID: 125 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 35.414304] Tainted: [B]=BAD_PAGE, [N]=TEST [ 35.414750] Hardware name: linux,dummy-virt (DT) [ 35.415328] Call trace: [ 35.415766] show_stack+0x20/0x38 (C) [ 35.416383] dump_stack_lvl+0x8c/0xd0 [ 35.416917] print_report+0x118/0x5e0 [ 35.417841] kasan_report+0xc8/0x118 [ 35.418338] __asan_report_store1_noabort+0x20/0x30 [ 35.418974] kmalloc_oob_right+0x538/0x660 [ 35.419461] kunit_try_run_case+0x14c/0x3d0 [ 35.420064] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.420794] kthread+0x24c/0x2d0 [ 35.421287] ret_from_fork+0x10/0x20 [ 35.421805] [ 35.422118] Allocated by task 125: [ 35.422576] kasan_save_stack+0x3c/0x68 [ 35.423096] kasan_save_track+0x20/0x40 [ 35.424059] kasan_save_alloc_info+0x40/0x58 [ 35.424697] __kasan_kmalloc+0xd4/0xd8 [ 35.425135] __kmalloc_cache_noprof+0x15c/0x3c8 [ 35.426177] kmalloc_oob_right+0xb0/0x660 [ 35.426700] kunit_try_run_case+0x14c/0x3d0 [ 35.427261] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.427901] kthread+0x24c/0x2d0 [ 35.428426] ret_from_fork+0x10/0x20 [ 35.428929] [ 35.429648] The buggy address belongs to the object at fff00000c1bea500 [ 35.429648] which belongs to the cache kmalloc-128 of size 128 [ 35.430847] The buggy address is located 5 bytes to the right of [ 35.430847] allocated 115-byte region [fff00000c1bea500, fff00000c1bea573) [ 35.432748] [ 35.433086] The buggy address belongs to the physical page: [ 35.433813] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101bea [ 35.434701] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 35.435598] page_type: f5(slab) [ 35.435967] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 35.436894] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 35.437604] page dumped because: kasan: bad access detected [ 35.438276] [ 35.438644] Memory state around the buggy address: [ 35.439217] fff00000c1bea400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc [ 35.440097] fff00000c1bea480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 35.440818] >fff00000c1bea500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 35.442000] ^ [ 35.442714] fff00000c1bea580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 35.443554] fff00000c1bea600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 35.444223] ================================================================== [ 35.447224] ================================================================== [ 35.447932] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x5d0/0x660 [ 35.448648] Read of size 1 at addr fff00000c1bea580 by task kunit_try_catch/125 [ 35.449852] [ 35.450237] CPU: 1 UID: 0 PID: 125 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 35.451480] Tainted: [B]=BAD_PAGE, [N]=TEST [ 35.452106] Hardware name: linux,dummy-virt (DT) [ 35.452817] Call trace: [ 35.453295] show_stack+0x20/0x38 (C) [ 35.454048] dump_stack_lvl+0x8c/0xd0 [ 35.454622] print_report+0x118/0x5e0 [ 35.455341] kasan_report+0xc8/0x118 [ 35.455978] __asan_report_load1_noabort+0x20/0x30 [ 35.456641] kmalloc_oob_right+0x5d0/0x660 [ 35.457181] kunit_try_run_case+0x14c/0x3d0 [ 35.458149] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.458806] kthread+0x24c/0x2d0 [ 35.459321] ret_from_fork+0x10/0x20 [ 35.459951] [ 35.460268] Allocated by task 125: [ 35.460928] kasan_save_stack+0x3c/0x68 [ 35.461813] kasan_save_track+0x20/0x40 [ 35.462411] kasan_save_alloc_info+0x40/0x58 [ 35.463077] __kasan_kmalloc+0xd4/0xd8 [ 35.463590] __kmalloc_cache_noprof+0x15c/0x3c8 [ 35.464209] kmalloc_oob_right+0xb0/0x660 [ 35.464605] kunit_try_run_case+0x14c/0x3d0 [ 35.465196] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 35.466122] kthread+0x24c/0x2d0 [ 35.466604] ret_from_fork+0x10/0x20 [ 35.467152] [ 35.467511] The buggy address belongs to the object at fff00000c1bea500 [ 35.467511] which belongs to the cache kmalloc-128 of size 128 [ 35.468655] The buggy address is located 13 bytes to the right of [ 35.468655] allocated 115-byte region [fff00000c1bea500, fff00000c1bea573) [ 35.469980] [ 35.470629] The buggy address belongs to the physical page: [ 35.471311] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101bea [ 35.471930] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 35.472528] page_type: f5(slab) [ 35.473822] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 35.474600] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 35.475354] page dumped because: kasan: bad access detected [ 35.476037] [ 35.476371] Memory state around the buggy address: [ 35.476917] fff00000c1bea480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 35.478200] fff00000c1bea500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 35.479085] >fff00000c1bea580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 35.479714] ^ [ 35.480204] fff00000c1bea600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 35.481025] fff00000c1bea680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 35.482174] ==================================================================
[ 26.569274] ================================================================== [ 26.570367] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x6f2/0x7f0 [ 26.571561] Write of size 1 at addr ffff888101abf673 by task kunit_try_catch/143 [ 26.572293] [ 26.573852] CPU: 0 UID: 0 PID: 143 Comm: kunit_try_catch Tainted: G N 6.12.0-next-20241120 #1 [ 26.574845] Tainted: [N]=TEST [ 26.575190] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.576397] Call Trace: [ 26.576780] <TASK> [ 26.577224] dump_stack_lvl+0x73/0xb0 [ 26.577834] print_report+0xd1/0x640 [ 26.578176] ? __virt_addr_valid+0x1db/0x2d0 [ 26.578647] ? kasan_complete_mode_report_info+0x2a/0x200 [ 26.579064] kasan_report+0x102/0x140 [ 26.579498] ? kmalloc_oob_right+0x6f2/0x7f0 [ 26.579992] ? kmalloc_oob_right+0x6f2/0x7f0 [ 26.580421] __asan_report_store1_noabort+0x1b/0x30 [ 26.580783] kmalloc_oob_right+0x6f2/0x7f0 [ 26.581274] ? __pfx_kmalloc_oob_right+0x10/0x10 [ 26.581807] ? __schedule+0xc3e/0x2790 [ 26.582183] ? __pfx_read_tsc+0x10/0x10 [ 26.582464] ? ktime_get_ts64+0x84/0x230 [ 26.582975] kunit_try_run_case+0x1b3/0x490 [ 26.583604] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.583960] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.584484] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.585014] ? __kthread_parkme+0x82/0x160 [ 26.585310] ? preempt_count_sub+0x50/0x80 [ 26.585737] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.586263] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.586892] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.587347] kthread+0x257/0x310 [ 26.587780] ? __pfx_kthread+0x10/0x10 [ 26.588065] ret_from_fork+0x41/0x80 [ 26.588463] ? __pfx_kthread+0x10/0x10 [ 26.588943] ret_from_fork_asm+0x1a/0x30 [ 26.589325] </TASK> [ 26.589869] [ 26.590198] Allocated by task 143: [ 26.590775] kasan_save_stack+0x3d/0x60 [ 26.591300] kasan_save_track+0x18/0x40 [ 26.591836] kasan_save_alloc_info+0x3b/0x50 [ 26.592214] __kasan_kmalloc+0xb7/0xc0 [ 26.592503] __kmalloc_cache_noprof+0x184/0x410 [ 26.592831] kmalloc_oob_right+0xaa/0x7f0 [ 26.593491] kunit_try_run_case+0x1b3/0x490 [ 26.594098] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.594467] kthread+0x257/0x310 [ 26.594809] ret_from_fork+0x41/0x80 [ 26.595312] ret_from_fork_asm+0x1a/0x30 [ 26.595818] [ 26.596175] The buggy address belongs to the object at ffff888101abf600 [ 26.596175] which belongs to the cache kmalloc-128 of size 128 [ 26.597186] The buggy address is located 0 bytes to the right of [ 26.597186] allocated 115-byte region [ffff888101abf600, ffff888101abf673) [ 26.598281] [ 26.598716] The buggy address belongs to the physical page: [ 26.599633] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101abf [ 26.602029] flags: 0x200000000000000(node=0|zone=2) [ 26.603267] page_type: f5(slab) [ 26.604528] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 26.605965] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 26.607557] page dumped because: kasan: bad access detected [ 26.608111] [ 26.608347] Memory state around the buggy address: [ 26.610261] ffff888101abf500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.611332] ffff888101abf580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.612268] >ffff888101abf600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 26.613007] ^ [ 26.614292] ffff888101abf680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.615169] ffff888101abf700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.616011] ================================================================== [ 26.618593] ================================================================== [ 26.620921] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x6bf/0x7f0 [ 26.621479] Write of size 1 at addr ffff888101abf678 by task kunit_try_catch/143 [ 26.623213] [ 26.623494] CPU: 0 UID: 0 PID: 143 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 26.624491] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.625048] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.625823] Call Trace: [ 26.626148] <TASK> [ 26.626445] dump_stack_lvl+0x73/0xb0 [ 26.626845] print_report+0xd1/0x640 [ 26.627177] ? __virt_addr_valid+0x1db/0x2d0 [ 26.627778] ? kasan_complete_mode_report_info+0x2a/0x200 [ 26.628153] kasan_report+0x102/0x140 [ 26.628660] ? kmalloc_oob_right+0x6bf/0x7f0 [ 26.629043] ? kmalloc_oob_right+0x6bf/0x7f0 [ 26.629571] __asan_report_store1_noabort+0x1b/0x30 [ 26.630080] kmalloc_oob_right+0x6bf/0x7f0 [ 26.630656] ? __pfx_kmalloc_oob_right+0x10/0x10 [ 26.631068] ? __schedule+0xc3e/0x2790 [ 26.631576] ? __pfx_read_tsc+0x10/0x10 [ 26.632013] ? ktime_get_ts64+0x84/0x230 [ 26.632544] kunit_try_run_case+0x1b3/0x490 [ 26.633003] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.633389] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.634025] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.634657] ? __kthread_parkme+0x82/0x160 [ 26.635132] ? preempt_count_sub+0x50/0x80 [ 26.635750] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.636199] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.636869] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.637424] kthread+0x257/0x310 [ 26.637887] ? __pfx_kthread+0x10/0x10 [ 26.638384] ret_from_fork+0x41/0x80 [ 26.638895] ? __pfx_kthread+0x10/0x10 [ 26.639354] ret_from_fork_asm+0x1a/0x30 [ 26.639948] </TASK> [ 26.640276] [ 26.640531] Allocated by task 143: [ 26.641001] kasan_save_stack+0x3d/0x60 [ 26.641469] kasan_save_track+0x18/0x40 [ 26.641925] kasan_save_alloc_info+0x3b/0x50 [ 26.642285] __kasan_kmalloc+0xb7/0xc0 [ 26.642820] __kmalloc_cache_noprof+0x184/0x410 [ 26.643278] kmalloc_oob_right+0xaa/0x7f0 [ 26.643862] kunit_try_run_case+0x1b3/0x490 [ 26.644240] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.644901] kthread+0x257/0x310 [ 26.645311] ret_from_fork+0x41/0x80 [ 26.645722] ret_from_fork_asm+0x1a/0x30 [ 26.646228] [ 26.646493] The buggy address belongs to the object at ffff888101abf600 [ 26.646493] which belongs to the cache kmalloc-128 of size 128 [ 26.647656] The buggy address is located 5 bytes to the right of [ 26.647656] allocated 115-byte region [ffff888101abf600, ffff888101abf673) [ 26.648855] [ 26.649098] The buggy address belongs to the physical page: [ 26.649708] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101abf [ 26.650389] flags: 0x200000000000000(node=0|zone=2) [ 26.650946] page_type: f5(slab) [ 26.651373] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 26.652111] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 26.652905] page dumped because: kasan: bad access detected [ 26.653337] [ 26.653652] Memory state around the buggy address: [ 26.654120] ffff888101abf500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.654746] ffff888101abf580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.655382] >ffff888101abf600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 26.656081] ^ [ 26.656767] ffff888101abf680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.657408] ffff888101abf700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.658079] ================================================================== [ 26.659345] ================================================================== [ 26.659794] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_right+0x68c/0x7f0 [ 26.660484] Read of size 1 at addr ffff888101abf680 by task kunit_try_catch/143 [ 26.661301] [ 26.661548] CPU: 0 UID: 0 PID: 143 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241120 #1 [ 26.662649] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.662996] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.664352] Call Trace: [ 26.664722] <TASK> [ 26.664912] dump_stack_lvl+0x73/0xb0 [ 26.665410] print_report+0xd1/0x640 [ 26.665880] ? __virt_addr_valid+0x1db/0x2d0 [ 26.666203] ? kasan_complete_mode_report_info+0x2a/0x200 [ 26.666930] kasan_report+0x102/0x140 [ 26.667465] ? kmalloc_oob_right+0x68c/0x7f0 [ 26.668084] ? kmalloc_oob_right+0x68c/0x7f0 [ 26.668486] __asan_report_load1_noabort+0x18/0x20 [ 26.669076] kmalloc_oob_right+0x68c/0x7f0 [ 26.669402] ? __pfx_kmalloc_oob_right+0x10/0x10 [ 26.670083] ? __schedule+0xc3e/0x2790 [ 26.670493] ? __pfx_read_tsc+0x10/0x10 [ 26.670988] ? ktime_get_ts64+0x84/0x230 [ 26.671478] kunit_try_run_case+0x1b3/0x490 [ 26.671874] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.672484] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 26.672992] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.673642] ? __kthread_parkme+0x82/0x160 [ 26.673973] ? preempt_count_sub+0x50/0x80 [ 26.674508] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.675100] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.675761] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.676398] kthread+0x257/0x310 [ 26.676839] ? __pfx_kthread+0x10/0x10 [ 26.677280] ret_from_fork+0x41/0x80 [ 26.677800] ? __pfx_kthread+0x10/0x10 [ 26.678114] ret_from_fork_asm+0x1a/0x30 [ 26.678766] </TASK> [ 26.679005] [ 26.679156] Allocated by task 143: [ 26.679721] kasan_save_stack+0x3d/0x60 [ 26.680096] kasan_save_track+0x18/0x40 [ 26.680561] kasan_save_alloc_info+0x3b/0x50 [ 26.681094] __kasan_kmalloc+0xb7/0xc0 [ 26.681506] __kmalloc_cache_noprof+0x184/0x410 [ 26.681974] kmalloc_oob_right+0xaa/0x7f0 [ 26.682579] kunit_try_run_case+0x1b3/0x490 [ 26.683199] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.683778] kthread+0x257/0x310 [ 26.684095] ret_from_fork+0x41/0x80 [ 26.684511] ret_from_fork_asm+0x1a/0x30 [ 26.685027] [ 26.685280] The buggy address belongs to the object at ffff888101abf600 [ 26.685280] which belongs to the cache kmalloc-128 of size 128 [ 26.686273] The buggy address is located 13 bytes to the right of [ 26.686273] allocated 115-byte region [ffff888101abf600, ffff888101abf673) [ 26.687458] [ 26.687797] The buggy address belongs to the physical page: [ 26.688172] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101abf [ 26.689030] flags: 0x200000000000000(node=0|zone=2) [ 26.689385] page_type: f5(slab) [ 26.689916] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 26.690634] raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000 [ 26.691404] page dumped because: kasan: bad access detected [ 26.691937] [ 26.692233] Memory state around the buggy address: [ 26.692805] ffff888101abf580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.693816] ffff888101abf600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 26.694443] >ffff888101abf680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.695182] ^ [ 26.695430] ffff888101abf700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.696261] ffff888101abf780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.696846] ==================================================================