Date
June 8, 2025, 11:09 p.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 | |
| rk3399-rock-pi-4b |
[ 33.282229] ================================================================== [ 33.291710] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 33.298389] Read of size 1 at addr ffff000802cca0c8 by task kunit_try_catch/254 [ 33.305681] [ 33.307167] CPU: 0 UID: 0 PID: 254 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT [ 33.307223] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.307241] Hardware name: WinLink E850-96 board (DT) [ 33.307265] Call trace: [ 33.307280] show_stack+0x20/0x38 (C) [ 33.307316] dump_stack_lvl+0x8c/0xd0 [ 33.307355] print_report+0x118/0x608 [ 33.307390] kasan_report+0xdc/0x128 [ 33.307426] __asan_report_load1_noabort+0x20/0x30 [ 33.307462] kmem_cache_oob+0x344/0x430 [ 33.307495] kunit_try_run_case+0x170/0x3f0 [ 33.307534] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.307573] kthread+0x328/0x630 [ 33.307602] ret_from_fork+0x10/0x20 [ 33.307638] [ 33.369657] Allocated by task 254: [ 33.373044] kasan_save_stack+0x3c/0x68 [ 33.376859] kasan_save_track+0x20/0x40 [ 33.380680] kasan_save_alloc_info+0x40/0x58 [ 33.384932] __kasan_slab_alloc+0xa8/0xb0 [ 33.388926] kmem_cache_alloc_noprof+0x10c/0x398 [ 33.393526] kmem_cache_oob+0x12c/0x430 [ 33.397345] kunit_try_run_case+0x170/0x3f0 [ 33.401512] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.406981] kthread+0x328/0x630 [ 33.410193] ret_from_fork+0x10/0x20 [ 33.413753] [ 33.415229] The buggy address belongs to the object at ffff000802cca000 [ 33.415229] which belongs to the cache test_cache of size 200 [ 33.427642] The buggy address is located 0 bytes to the right of [ 33.427642] allocated 200-byte region [ffff000802cca000, ffff000802cca0c8) [ 33.440574] [ 33.442054] The buggy address belongs to the physical page: [ 33.447609] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x882cca [ 33.455594] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 33.463233] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 33.470176] page_type: f5(slab) [ 33.473314] raw: 0bfffe0000000040 ffff00080179f900 dead000000000122 0000000000000000 [ 33.481032] raw: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000 [ 33.488761] head: 0bfffe0000000040 ffff00080179f900 dead000000000122 0000000000000000 [ 33.496569] head: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000 [ 33.504383] head: 0bfffe0000000001 fffffdffe00b3281 00000000ffffffff 00000000ffffffff [ 33.512195] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 33.520001] page dumped because: kasan: bad access detected [ 33.525555] [ 33.527031] Memory state around the buggy address: [ 33.531813] ffff000802cc9f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.539014] ffff000802cca000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.546218] >ffff000802cca080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 33.553420] ^ [ 33.558979] ffff000802cca100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.566184] ffff000802cca180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.573386] ==================================================================
[ 26.249250] ================================================================== [ 26.249711] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 26.249970] Read of size 1 at addr fff00000c64220c8 by task kunit_try_catch/207 [ 26.250114] [ 26.250218] CPU: 0 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT [ 26.251123] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.251240] Hardware name: linux,dummy-virt (DT) [ 26.251361] Call trace: [ 26.251549] show_stack+0x20/0x38 (C) [ 26.251784] dump_stack_lvl+0x8c/0xd0 [ 26.252278] print_report+0x118/0x608 [ 26.252416] kasan_report+0xdc/0x128 [ 26.252536] __asan_report_load1_noabort+0x20/0x30 [ 26.252725] kmem_cache_oob+0x344/0x430 [ 26.252845] kunit_try_run_case+0x170/0x3f0 [ 26.252995] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.253443] kthread+0x328/0x630 [ 26.253804] ret_from_fork+0x10/0x20 [ 26.253964] [ 26.254146] Allocated by task 207: [ 26.254230] kasan_save_stack+0x3c/0x68 [ 26.254473] kasan_save_track+0x20/0x40 [ 26.254688] kasan_save_alloc_info+0x40/0x58 [ 26.254809] __kasan_slab_alloc+0xa8/0xb0 [ 26.254920] kmem_cache_alloc_noprof+0x10c/0x398 [ 26.255075] kmem_cache_oob+0x12c/0x430 [ 26.255244] kunit_try_run_case+0x170/0x3f0 [ 26.255420] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.255536] kthread+0x328/0x630 [ 26.255650] ret_from_fork+0x10/0x20 [ 26.255914] [ 26.255987] The buggy address belongs to the object at fff00000c6422000 [ 26.255987] which belongs to the cache test_cache of size 200 [ 26.256463] The buggy address is located 0 bytes to the right of [ 26.256463] allocated 200-byte region [fff00000c6422000, fff00000c64220c8) [ 26.256765] [ 26.256921] The buggy address belongs to the physical page: [ 26.257023] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106422 [ 26.257163] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.257647] page_type: f5(slab) [ 26.257790] raw: 0bfffe0000000000 fff00000c569f640 dead000000000122 0000000000000000 [ 26.258299] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 26.258427] page dumped because: kasan: bad access detected [ 26.258612] [ 26.258845] Memory state around the buggy address: [ 26.259185] fff00000c6421f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.259302] fff00000c6422000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.259415] >fff00000c6422080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 26.259548] ^ [ 26.259641] fff00000c6422100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.259925] fff00000c6422180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.260063] ==================================================================
[ 26.447068] ================================================================== [ 26.447290] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 26.447513] Read of size 1 at addr fff00000c773a0c8 by task kunit_try_catch/207 [ 26.447648] [ 26.447737] CPU: 0 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT [ 26.447975] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.448237] Hardware name: linux,dummy-virt (DT) [ 26.448460] Call trace: [ 26.448538] show_stack+0x20/0x38 (C) [ 26.449014] dump_stack_lvl+0x8c/0xd0 [ 26.449802] print_report+0x118/0x608 [ 26.450046] kasan_report+0xdc/0x128 [ 26.450173] __asan_report_load1_noabort+0x20/0x30 [ 26.450369] kmem_cache_oob+0x344/0x430 [ 26.450487] kunit_try_run_case+0x170/0x3f0 [ 26.450618] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.450832] kthread+0x328/0x630 [ 26.451118] ret_from_fork+0x10/0x20 [ 26.451463] [ 26.451508] Allocated by task 207: [ 26.451579] kasan_save_stack+0x3c/0x68 [ 26.451674] kasan_save_track+0x20/0x40 [ 26.451822] kasan_save_alloc_info+0x40/0x58 [ 26.451948] __kasan_slab_alloc+0xa8/0xb0 [ 26.452065] kmem_cache_alloc_noprof+0x10c/0x398 [ 26.452690] kmem_cache_oob+0x12c/0x430 [ 26.452811] kunit_try_run_case+0x170/0x3f0 [ 26.452946] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.453198] kthread+0x328/0x630 [ 26.453320] ret_from_fork+0x10/0x20 [ 26.453421] [ 26.453476] The buggy address belongs to the object at fff00000c773a000 [ 26.453476] which belongs to the cache test_cache of size 200 [ 26.453632] The buggy address is located 0 bytes to the right of [ 26.453632] allocated 200-byte region [fff00000c773a000, fff00000c773a0c8) [ 26.453798] [ 26.453943] The buggy address belongs to the physical page: [ 26.454061] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10773a [ 26.454202] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.454346] page_type: f5(slab) [ 26.454566] raw: 0bfffe0000000000 fff00000c1725c80 dead000000000122 0000000000000000 [ 26.454938] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 26.455392] page dumped because: kasan: bad access detected [ 26.455477] [ 26.455519] Memory state around the buggy address: [ 26.455598] fff00000c7739f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 26.455708] fff00000c773a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.455827] >fff00000c773a080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 26.455944] ^ [ 26.456349] fff00000c773a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.456696] fff00000c773a180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.456797] ==================================================================
[ 20.100020] ================================================================== [ 20.101064] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 20.101956] Read of size 1 at addr ffff888101b360c8 by task kunit_try_catch/225 [ 20.102723] [ 20.103032] CPU: 1 UID: 0 PID: 225 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT(voluntary) [ 20.103150] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.103184] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 20.103246] Call Trace: [ 20.103297] <TASK> [ 20.103351] dump_stack_lvl+0x73/0xb0 [ 20.103457] print_report+0xd1/0x650 [ 20.103556] ? __virt_addr_valid+0x1db/0x2d0 [ 20.103726] ? kmem_cache_oob+0x402/0x530 [ 20.103804] ? kasan_complete_mode_report_info+0x2a/0x200 [ 20.103876] ? kmem_cache_oob+0x402/0x530 [ 20.103948] kasan_report+0x141/0x180 [ 20.104020] ? kmem_cache_oob+0x402/0x530 [ 20.104168] __asan_report_load1_noabort+0x18/0x20 [ 20.104302] kmem_cache_oob+0x402/0x530 [ 20.104378] ? trace_hardirqs_on+0x37/0xe0 [ 20.104526] ? __pfx_kmem_cache_oob+0x10/0x10 [ 20.104634] ? finish_task_switch.isra.0+0x153/0x700 [ 20.104738] ? __switch_to+0x47/0xf50 [ 20.104821] ? __pfx_read_tsc+0x10/0x10 [ 20.104854] ? ktime_get_ts64+0x86/0x230 [ 20.104891] kunit_try_run_case+0x1a5/0x480 [ 20.104930] ? __pfx_kunit_try_run_case+0x10/0x10 [ 20.104964] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 20.105001] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 20.105034] ? __kthread_parkme+0x82/0x180 [ 20.105062] ? preempt_count_sub+0x50/0x80 [ 20.105092] ? __pfx_kunit_try_run_case+0x10/0x10 [ 20.105126] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 20.105158] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 20.105191] kthread+0x337/0x6f0 [ 20.105218] ? trace_preempt_on+0x20/0xc0 [ 20.105299] ? __pfx_kthread+0x10/0x10 [ 20.105332] ? _raw_spin_unlock_irq+0x47/0x80 [ 20.105363] ? calculate_sigpending+0x7b/0xa0 [ 20.105399] ? __pfx_kthread+0x10/0x10 [ 20.105428] ret_from_fork+0x116/0x1d0 [ 20.105454] ? __pfx_kthread+0x10/0x10 [ 20.105482] ret_from_fork_asm+0x1a/0x30 [ 20.105553] </TASK> [ 20.105571] [ 20.123417] Allocated by task 225: [ 20.123874] kasan_save_stack+0x45/0x70 [ 20.124764] kasan_save_track+0x18/0x40 [ 20.125192] kasan_save_alloc_info+0x3b/0x50 [ 20.125616] __kasan_slab_alloc+0x91/0xa0 [ 20.126193] kmem_cache_alloc_noprof+0x123/0x3f0 [ 20.126862] kmem_cache_oob+0x157/0x530 [ 20.127542] kunit_try_run_case+0x1a5/0x480 [ 20.127996] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 20.128438] kthread+0x337/0x6f0 [ 20.128754] ret_from_fork+0x116/0x1d0 [ 20.129602] ret_from_fork_asm+0x1a/0x30 [ 20.130043] [ 20.130465] The buggy address belongs to the object at ffff888101b36000 [ 20.130465] which belongs to the cache test_cache of size 200 [ 20.131619] The buggy address is located 0 bytes to the right of [ 20.131619] allocated 200-byte region [ffff888101b36000, ffff888101b360c8) [ 20.133002] [ 20.133301] The buggy address belongs to the physical page: [ 20.134039] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101b36 [ 20.134759] flags: 0x200000000000000(node=0|zone=2) [ 20.135544] page_type: f5(slab) [ 20.136054] raw: 0200000000000000 ffff8881010fd3c0 dead000000000122 0000000000000000 [ 20.136651] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 20.137553] page dumped because: kasan: bad access detected [ 20.138021] [ 20.138538] Memory state around the buggy address: [ 20.139035] ffff888101b35f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.139898] ffff888101b36000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.140602] >ffff888101b36080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 20.141158] ^ [ 20.141775] ffff888101b36100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.142493] ffff888101b36180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.143078] ==================================================================
[ 19.010030] ================================================================== [ 19.011262] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 19.011809] Read of size 1 at addr ffff8881038e30c8 by task kunit_try_catch/225 [ 19.012337] [ 19.012979] CPU: 1 UID: 0 PID: 225 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT(voluntary) [ 19.013106] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.013145] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.013386] Call Trace: [ 19.013428] <TASK> [ 19.013474] dump_stack_lvl+0x73/0xb0 [ 19.013562] print_report+0xd1/0x650 [ 19.013636] ? __virt_addr_valid+0x1db/0x2d0 [ 19.013713] ? kmem_cache_oob+0x402/0x530 [ 19.013863] ? kasan_complete_mode_report_info+0x2a/0x200 [ 19.013924] ? kmem_cache_oob+0x402/0x530 [ 19.013959] kasan_report+0x141/0x180 [ 19.013991] ? kmem_cache_oob+0x402/0x530 [ 19.014030] __asan_report_load1_noabort+0x18/0x20 [ 19.014064] kmem_cache_oob+0x402/0x530 [ 19.014094] ? trace_hardirqs_on+0x37/0xe0 [ 19.014157] ? __pfx_kmem_cache_oob+0x10/0x10 [ 19.014191] ? finish_task_switch.isra.0+0x153/0x700 [ 19.014224] ? __switch_to+0x47/0xf50 [ 19.014273] ? __pfx_read_tsc+0x10/0x10 [ 19.014304] ? ktime_get_ts64+0x86/0x230 [ 19.014337] kunit_try_run_case+0x1a5/0x480 [ 19.014374] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.014407] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 19.014441] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 19.014474] ? __kthread_parkme+0x82/0x180 [ 19.014500] ? preempt_count_sub+0x50/0x80 [ 19.014585] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.014658] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.014695] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 19.014729] kthread+0x337/0x6f0 [ 19.014757] ? trace_preempt_on+0x20/0xc0 [ 19.014787] ? __pfx_kthread+0x10/0x10 [ 19.014815] ? _raw_spin_unlock_irq+0x47/0x80 [ 19.014845] ? calculate_sigpending+0x7b/0xa0 [ 19.014903] ? __pfx_kthread+0x10/0x10 [ 19.014936] ret_from_fork+0x116/0x1d0 [ 19.014962] ? __pfx_kthread+0x10/0x10 [ 19.014990] ret_from_fork_asm+0x1a/0x30 [ 19.015032] </TASK> [ 19.015047] [ 19.032828] Allocated by task 225: [ 19.033288] kasan_save_stack+0x45/0x70 [ 19.033973] kasan_save_track+0x18/0x40 [ 19.034308] kasan_save_alloc_info+0x3b/0x50 [ 19.034770] __kasan_slab_alloc+0x91/0xa0 [ 19.035749] kmem_cache_alloc_noprof+0x123/0x3f0 [ 19.036308] kmem_cache_oob+0x157/0x530 [ 19.036997] kunit_try_run_case+0x1a5/0x480 [ 19.037412] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.037832] kthread+0x337/0x6f0 [ 19.038390] ret_from_fork+0x116/0x1d0 [ 19.039143] ret_from_fork_asm+0x1a/0x30 [ 19.039526] [ 19.039793] The buggy address belongs to the object at ffff8881038e3000 [ 19.039793] which belongs to the cache test_cache of size 200 [ 19.042118] The buggy address is located 0 bytes to the right of [ 19.042118] allocated 200-byte region [ffff8881038e3000, ffff8881038e30c8) [ 19.044324] [ 19.044526] The buggy address belongs to the physical page: [ 19.045618] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1038e3 [ 19.046655] flags: 0x200000000000000(node=0|zone=2) [ 19.046994] page_type: f5(slab) [ 19.047410] raw: 0200000000000000 ffff88810111b140 dead000000000122 0000000000000000 [ 19.048280] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 19.049245] page dumped because: kasan: bad access detected [ 19.049663] [ 19.050164] Memory state around the buggy address: [ 19.050712] ffff8881038e2f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.051352] ffff8881038e3000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.051762] >ffff8881038e3080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 19.052182] ^ [ 19.052533] ffff8881038e3100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.052963] ffff8881038e3180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.054840] ==================================================================
[ 21.132613] ================================================================== [ 21.133652] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 21.134295] Read of size 1 at addr ffff00000e0b80c8 by task kunit_try_catch/260 [ 21.134972] [ 21.135136] CPU: 0 UID: 0 PID: 260 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc1 #1 PREEMPT [ 21.135186] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.135201] Hardware name: Radxa ROCK Pi 4B (DT) [ 21.135219] Call trace: [ 21.135231] show_stack+0x20/0x38 (C) [ 21.135264] dump_stack_lvl+0x8c/0xd0 [ 21.135299] print_report+0x118/0x608 [ 21.135334] kasan_report+0xdc/0x128 [ 21.135365] __asan_report_load1_noabort+0x20/0x30 [ 21.135403] kmem_cache_oob+0x344/0x430 [ 21.135432] kunit_try_run_case+0x170/0x3f0 [ 21.135466] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.135503] kthread+0x328/0x630 [ 21.135529] ret_from_fork+0x10/0x20 [ 21.135561] [ 21.141110] Allocated by task 260: [ 21.141436] kasan_save_stack+0x3c/0x68 [ 21.141815] kasan_save_track+0x20/0x40 [ 21.142190] kasan_save_alloc_info+0x40/0x58 [ 21.142607] __kasan_slab_alloc+0xa8/0xb0 [ 21.142997] kmem_cache_alloc_noprof+0x10c/0x398 [ 21.143444] kmem_cache_oob+0x12c/0x430 [ 21.143817] kunit_try_run_case+0x170/0x3f0 [ 21.144223] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.144746] kthread+0x328/0x630 [ 21.145062] ret_from_fork+0x10/0x20 [ 21.145413] [ 21.145566] The buggy address belongs to the object at ffff00000e0b8000 [ 21.145566] which belongs to the cache test_cache of size 200 [ 21.146690] The buggy address is located 0 bytes to the right of [ 21.146690] allocated 200-byte region [ffff00000e0b8000, ffff00000e0b80c8) [ 21.147864] [ 21.148017] The buggy address belongs to the physical page: [ 21.148534] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xe0b8 [ 21.149258] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 21.149964] flags: 0x3fffe0000000040(head|node=0|zone=0|lastcpupid=0x1ffff) [ 21.150614] page_type: f5(slab) [ 21.150929] raw: 03fffe0000000040 ffff000002518500 dead000000000122 0000000000000000 [ 21.151644] raw: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000 [ 21.152359] head: 03fffe0000000040 ffff000002518500 dead000000000122 0000000000000000 [ 21.153082] head: 0000000000000000 00000000801f001f 00000000f5000000 0000000000000000 [ 21.153807] head: 03fffe0000000001 fffffdffc0382e01 00000000ffffffff 00000000ffffffff [ 21.154529] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002 [ 21.155244] page dumped because: kasan: bad access detected [ 21.155758] [ 21.155912] Memory state around the buggy address: [ 21.156360] ffff00000e0b7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.157027] ffff00000e0b8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.157692] >ffff00000e0b8080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 21.158354] ^ [ 21.158872] ffff00000e0b8100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.159538] ffff00000e0b8180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.160199] ==================================================================