Date
July 9, 2025, 11:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.447958] ================================================================== [ 18.448043] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 18.448138] Read of size 1 at addr fff00000c6cb4173 by task kunit_try_catch/221 [ 18.448187] [ 18.448231] CPU: 1 UID: 0 PID: 221 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 18.448320] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.448348] Hardware name: linux,dummy-virt (DT) [ 18.448382] Call trace: [ 18.448408] show_stack+0x20/0x38 (C) [ 18.448461] dump_stack_lvl+0x8c/0xd0 [ 18.448512] print_report+0x118/0x608 [ 18.448562] kasan_report+0xdc/0x128 [ 18.448606] __asan_report_load1_noabort+0x20/0x30 [ 18.448657] mempool_oob_right_helper+0x2ac/0x2f0 [ 18.448705] mempool_kmalloc_oob_right+0xc4/0x120 [ 18.448754] kunit_try_run_case+0x170/0x3f0 [ 18.448804] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.448857] kthread+0x328/0x630 [ 18.448900] ret_from_fork+0x10/0x20 [ 18.448949] [ 18.448967] Allocated by task 221: [ 18.448997] kasan_save_stack+0x3c/0x68 [ 18.449038] kasan_save_track+0x20/0x40 [ 18.449076] kasan_save_alloc_info+0x40/0x58 [ 18.449125] __kasan_mempool_unpoison_object+0x11c/0x180 [ 18.449169] remove_element+0x130/0x1f8 [ 18.449206] mempool_alloc_preallocated+0x58/0xc0 [ 18.449244] mempool_oob_right_helper+0x98/0x2f0 [ 18.449283] mempool_kmalloc_oob_right+0xc4/0x120 [ 18.449324] kunit_try_run_case+0x170/0x3f0 [ 18.449362] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.449405] kthread+0x328/0x630 [ 18.449437] ret_from_fork+0x10/0x20 [ 18.449472] [ 18.449493] The buggy address belongs to the object at fff00000c6cb4100 [ 18.449493] which belongs to the cache kmalloc-128 of size 128 [ 18.449554] The buggy address is located 0 bytes to the right of [ 18.449554] allocated 115-byte region [fff00000c6cb4100, fff00000c6cb4173) [ 18.449618] [ 18.449639] The buggy address belongs to the physical page: [ 18.449672] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106cb4 [ 18.449727] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.449779] page_type: f5(slab) [ 18.449823] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.449873] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.449914] page dumped because: kasan: bad access detected [ 18.449944] [ 18.449962] Memory state around the buggy address: [ 18.449996] fff00000c6cb4000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.450040] fff00000c6cb4080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.450082] >fff00000c6cb4100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 18.450130] ^ [ 18.450170] fff00000c6cb4180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.450214] fff00000c6cb4200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 18.450252] ================================================================== [ 18.486808] ================================================================== [ 18.488862] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 18.489788] Read of size 1 at addr fff00000c76af2bb by task kunit_try_catch/225 [ 18.490044] [ 18.490110] CPU: 1 UID: 0 PID: 225 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 18.490678] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.490712] Hardware name: linux,dummy-virt (DT) [ 18.490749] Call trace: [ 18.491017] show_stack+0x20/0x38 (C) [ 18.491535] dump_stack_lvl+0x8c/0xd0 [ 18.492531] print_report+0x118/0x608 [ 18.493048] kasan_report+0xdc/0x128 [ 18.493607] __asan_report_load1_noabort+0x20/0x30 [ 18.493663] mempool_oob_right_helper+0x2ac/0x2f0 [ 18.494614] mempool_slab_oob_right+0xc0/0x118 [ 18.494715] kunit_try_run_case+0x170/0x3f0 [ 18.494770] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.494822] kthread+0x328/0x630 [ 18.495766] ret_from_fork+0x10/0x20 [ 18.496718] [ 18.496865] Allocated by task 225: [ 18.496899] kasan_save_stack+0x3c/0x68 [ 18.497430] kasan_save_track+0x20/0x40 [ 18.497639] kasan_save_alloc_info+0x40/0x58 [ 18.498348] __kasan_mempool_unpoison_object+0xbc/0x180 [ 18.498393] remove_element+0x16c/0x1f8 [ 18.498435] mempool_alloc_preallocated+0x58/0xc0 [ 18.499244] mempool_oob_right_helper+0x98/0x2f0 [ 18.500004] mempool_slab_oob_right+0xc0/0x118 [ 18.500064] kunit_try_run_case+0x170/0x3f0 [ 18.500105] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.500987] kthread+0x328/0x630 [ 18.501033] ret_from_fork+0x10/0x20 [ 18.501070] [ 18.502315] The buggy address belongs to the object at fff00000c76af240 [ 18.502315] which belongs to the cache test_cache of size 123 [ 18.502917] The buggy address is located 0 bytes to the right of [ 18.502917] allocated 123-byte region [fff00000c76af240, fff00000c76af2bb) [ 18.503446] [ 18.503632] The buggy address belongs to the physical page: [ 18.503965] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1076af [ 18.504450] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.504632] page_type: f5(slab) [ 18.504676] raw: 0bfffe0000000000 fff00000c6475140 dead000000000122 0000000000000000 [ 18.504727] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 18.505750] page dumped because: kasan: bad access detected [ 18.505868] [ 18.506159] Memory state around the buggy address: [ 18.506199] fff00000c76af180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.506245] fff00000c76af200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 18.507068] >fff00000c76af280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 18.507554] ^ [ 18.507939] fff00000c76af300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.508456] fff00000c76af380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.508740] ================================================================== [ 18.461759] ================================================================== [ 18.461821] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 18.461881] Read of size 1 at addr fff00000c77d2001 by task kunit_try_catch/223 [ 18.461931] [ 18.461966] CPU: 1 UID: 0 PID: 223 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 18.462053] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.462078] Hardware name: linux,dummy-virt (DT) [ 18.462111] Call trace: [ 18.462150] show_stack+0x20/0x38 (C) [ 18.462203] dump_stack_lvl+0x8c/0xd0 [ 18.462250] print_report+0x118/0x608 [ 18.462297] kasan_report+0xdc/0x128 [ 18.462343] __asan_report_load1_noabort+0x20/0x30 [ 18.462394] mempool_oob_right_helper+0x2ac/0x2f0 [ 18.462818] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 18.462893] kunit_try_run_case+0x170/0x3f0 [ 18.463010] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.463073] kthread+0x328/0x630 [ 18.463132] ret_from_fork+0x10/0x20 [ 18.463182] [ 18.463204] The buggy address belongs to the physical page: [ 18.463454] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1077d0 [ 18.463523] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 18.463641] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 18.463747] page_type: f8(unknown) [ 18.463787] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.463837] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 18.463886] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.464132] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 18.464257] head: 0bfffe0000000002 ffffc1ffc31df401 00000000ffffffff 00000000ffffffff [ 18.464400] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 18.464461] page dumped because: kasan: bad access detected [ 18.464493] [ 18.464519] Memory state around the buggy address: [ 18.464588] fff00000c77d1f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.464631] fff00000c77d1f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.464673] >fff00000c77d2000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 18.464711] ^ [ 18.464776] fff00000c77d2080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 18.464853] fff00000c77d2100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 18.464970] ==================================================================
[ 14.019152] ================================================================== [ 14.019566] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.019840] Read of size 1 at addr ffff8881032002bb by task kunit_try_catch/242 [ 14.020152] [ 14.020414] CPU: 0 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.020460] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.020472] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.020493] Call Trace: [ 14.020505] <TASK> [ 14.020520] dump_stack_lvl+0x73/0xb0 [ 14.020553] print_report+0xd1/0x650 [ 14.020575] ? __virt_addr_valid+0x1db/0x2d0 [ 14.020599] ? mempool_oob_right_helper+0x318/0x380 [ 14.020639] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.020663] ? mempool_oob_right_helper+0x318/0x380 [ 14.020687] kasan_report+0x141/0x180 [ 14.020720] ? mempool_oob_right_helper+0x318/0x380 [ 14.020749] __asan_report_load1_noabort+0x18/0x20 [ 14.020774] mempool_oob_right_helper+0x318/0x380 [ 14.020798] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.020827] ? irqentry_exit+0x2a/0x60 [ 14.020854] mempool_slab_oob_right+0xed/0x140 [ 14.020879] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 14.020905] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 14.020931] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 14.020957] ? __pfx_mempool_free_slab+0x10/0x10 [ 14.020984] ? __pfx_read_tsc+0x10/0x10 [ 14.021008] ? ktime_get_ts64+0x86/0x230 [ 14.021064] kunit_try_run_case+0x1a5/0x480 [ 14.021090] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.021114] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.021152] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.021219] ? __kthread_parkme+0x82/0x180 [ 14.021567] ? preempt_count_sub+0x50/0x80 [ 14.021592] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.021616] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.021660] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.021686] kthread+0x337/0x6f0 [ 14.021718] ? trace_preempt_on+0x20/0xc0 [ 14.021744] ? __pfx_kthread+0x10/0x10 [ 14.021765] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.021788] ? calculate_sigpending+0x7b/0xa0 [ 14.021811] ? __pfx_kthread+0x10/0x10 [ 14.021833] ret_from_fork+0x116/0x1d0 [ 14.021852] ? __pfx_kthread+0x10/0x10 [ 14.021873] ret_from_fork_asm+0x1a/0x30 [ 14.021903] </TASK> [ 14.021914] [ 14.035409] Allocated by task 242: [ 14.035538] kasan_save_stack+0x45/0x70 [ 14.035679] kasan_save_track+0x18/0x40 [ 14.036064] kasan_save_alloc_info+0x3b/0x50 [ 14.036500] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 14.037081] remove_element+0x11e/0x190 [ 14.037471] mempool_alloc_preallocated+0x4d/0x90 [ 14.037926] mempool_oob_right_helper+0x8a/0x380 [ 14.038449] mempool_slab_oob_right+0xed/0x140 [ 14.038920] kunit_try_run_case+0x1a5/0x480 [ 14.039393] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.039879] kthread+0x337/0x6f0 [ 14.039999] ret_from_fork+0x116/0x1d0 [ 14.040175] ret_from_fork_asm+0x1a/0x30 [ 14.040624] [ 14.040795] The buggy address belongs to the object at ffff888103200240 [ 14.040795] which belongs to the cache test_cache of size 123 [ 14.041895] The buggy address is located 0 bytes to the right of [ 14.041895] allocated 123-byte region [ffff888103200240, ffff8881032002bb) [ 14.042381] [ 14.042612] The buggy address belongs to the physical page: [ 14.042889] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103200 [ 14.043389] flags: 0x200000000000000(node=0|zone=2) [ 14.043894] page_type: f5(slab) [ 14.044252] raw: 0200000000000000 ffff8881031f2500 dead000000000122 0000000000000000 [ 14.044658] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 14.044890] page dumped because: kasan: bad access detected [ 14.045085] [ 14.045244] Memory state around the buggy address: [ 14.045697] ffff888103200180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.046371] ffff888103200200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 14.047019] >ffff888103200280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 14.047649] ^ [ 14.048065] ffff888103200300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.048457] ffff888103200380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.048666] ================================================================== [ 13.961794] ================================================================== [ 13.962284] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 13.962639] Read of size 1 at addr ffff8881031dbf73 by task kunit_try_catch/238 [ 13.962947] [ 13.963073] CPU: 0 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.963123] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.963188] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.963212] Call Trace: [ 13.963227] <TASK> [ 13.963246] dump_stack_lvl+0x73/0xb0 [ 13.963279] print_report+0xd1/0x650 [ 13.963302] ? __virt_addr_valid+0x1db/0x2d0 [ 13.963329] ? mempool_oob_right_helper+0x318/0x380 [ 13.963352] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.963376] ? mempool_oob_right_helper+0x318/0x380 [ 13.963401] kasan_report+0x141/0x180 [ 13.963422] ? mempool_oob_right_helper+0x318/0x380 [ 13.963451] __asan_report_load1_noabort+0x18/0x20 [ 13.963477] mempool_oob_right_helper+0x318/0x380 [ 13.963502] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 13.963528] ? ret_from_fork+0x116/0x1d0 [ 13.963548] ? kthread+0x337/0x6f0 [ 13.963569] ? ret_from_fork_asm+0x1a/0x30 [ 13.963594] ? mempool_alloc_preallocated+0x5b/0x90 [ 13.963622] mempool_kmalloc_oob_right+0xf2/0x150 [ 13.963646] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 13.963673] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.963697] ? __pfx_mempool_kfree+0x10/0x10 [ 13.963737] ? __pfx_read_tsc+0x10/0x10 [ 13.963758] ? ktime_get_ts64+0x86/0x230 [ 13.963785] kunit_try_run_case+0x1a5/0x480 [ 13.963811] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.963834] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.963860] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.963883] ? __kthread_parkme+0x82/0x180 [ 13.963903] ? preempt_count_sub+0x50/0x80 [ 13.963928] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.963952] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.963977] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.964002] kthread+0x337/0x6f0 [ 13.964021] ? trace_preempt_on+0x20/0xc0 [ 13.964046] ? __pfx_kthread+0x10/0x10 [ 13.964066] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.964145] ? calculate_sigpending+0x7b/0xa0 [ 13.964172] ? __pfx_kthread+0x10/0x10 [ 13.964193] ret_from_fork+0x116/0x1d0 [ 13.964212] ? __pfx_kthread+0x10/0x10 [ 13.964233] ret_from_fork_asm+0x1a/0x30 [ 13.964264] </TASK> [ 13.964276] [ 13.973899] Allocated by task 238: [ 13.974737] kasan_save_stack+0x45/0x70 [ 13.974928] kasan_save_track+0x18/0x40 [ 13.975119] kasan_save_alloc_info+0x3b/0x50 [ 13.975438] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 13.975679] remove_element+0x11e/0x190 [ 13.975874] mempool_alloc_preallocated+0x4d/0x90 [ 13.976167] mempool_oob_right_helper+0x8a/0x380 [ 13.976361] mempool_kmalloc_oob_right+0xf2/0x150 [ 13.976604] kunit_try_run_case+0x1a5/0x480 [ 13.976808] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.977095] kthread+0x337/0x6f0 [ 13.977284] ret_from_fork+0x116/0x1d0 [ 13.977439] ret_from_fork_asm+0x1a/0x30 [ 13.977636] [ 13.977722] The buggy address belongs to the object at ffff8881031dbf00 [ 13.977722] which belongs to the cache kmalloc-128 of size 128 [ 13.978832] The buggy address is located 0 bytes to the right of [ 13.978832] allocated 115-byte region [ffff8881031dbf00, ffff8881031dbf73) [ 13.980189] [ 13.980292] The buggy address belongs to the physical page: [ 13.980627] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1031db [ 13.981119] flags: 0x200000000000000(node=0|zone=2) [ 13.981316] page_type: f5(slab) [ 13.981493] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.981950] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 [ 13.982428] page dumped because: kasan: bad access detected [ 13.982646] [ 13.982759] Memory state around the buggy address: [ 13.982972] ffff8881031dbe00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.983601] ffff8881031dbe80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.983971] >ffff8881031dbf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 13.984365] ^ [ 13.984753] ffff8881031dbf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.985178] ffff8881031dc000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.985526] ================================================================== [ 13.988555] ================================================================== [ 13.989489] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 13.989841] Read of size 1 at addr ffff88810398e001 by task kunit_try_catch/240 [ 13.990619] [ 13.990748] CPU: 0 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 13.990970] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.990987] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.991010] Call Trace: [ 13.991146] <TASK> [ 13.991165] dump_stack_lvl+0x73/0xb0 [ 13.991199] print_report+0xd1/0x650 [ 13.991221] ? __virt_addr_valid+0x1db/0x2d0 [ 13.991243] ? mempool_oob_right_helper+0x318/0x380 [ 13.991266] ? kasan_addr_to_slab+0x11/0xa0 [ 13.991287] ? mempool_oob_right_helper+0x318/0x380 [ 13.991311] kasan_report+0x141/0x180 [ 13.991333] ? mempool_oob_right_helper+0x318/0x380 [ 13.991361] __asan_report_load1_noabort+0x18/0x20 [ 13.991386] mempool_oob_right_helper+0x318/0x380 [ 13.991411] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 13.991438] ? __pfx_sched_clock_cpu+0x10/0x10 [ 13.991462] ? finish_task_switch.isra.0+0x153/0x700 [ 13.991489] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 13.991514] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 13.991543] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.991567] ? __pfx_mempool_kfree+0x10/0x10 [ 13.991591] ? __pfx_read_tsc+0x10/0x10 [ 13.991612] ? ktime_get_ts64+0x86/0x230 [ 13.991636] kunit_try_run_case+0x1a5/0x480 [ 13.991661] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.991683] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.991722] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.991746] ? __kthread_parkme+0x82/0x180 [ 13.991767] ? preempt_count_sub+0x50/0x80 [ 13.991790] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.991814] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.991838] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.991863] kthread+0x337/0x6f0 [ 13.991883] ? trace_preempt_on+0x20/0xc0 [ 13.991907] ? __pfx_kthread+0x10/0x10 [ 13.991927] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.991948] ? calculate_sigpending+0x7b/0xa0 [ 13.991972] ? __pfx_kthread+0x10/0x10 [ 13.991994] ret_from_fork+0x116/0x1d0 [ 13.992012] ? __pfx_kthread+0x10/0x10 [ 13.992043] ret_from_fork_asm+0x1a/0x30 [ 13.992074] </TASK> [ 13.992084] [ 14.004204] The buggy address belongs to the physical page: [ 14.004479] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10398c [ 14.005237] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 14.005567] flags: 0x200000000000040(head|node=0|zone=2) [ 14.005983] page_type: f8(unknown) [ 14.006267] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.006744] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.007254] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.007565] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.008099] head: 0200000000000002 ffffea00040e6301 00000000ffffffff 00000000ffffffff [ 14.008567] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 14.009047] page dumped because: kasan: bad access detected [ 14.009450] [ 14.009576] Memory state around the buggy address: [ 14.009777] ffff88810398df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.010580] ffff88810398df80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.011021] >ffff88810398e000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.011369] ^ [ 14.011716] ffff88810398e080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.012168] ffff88810398e100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.012643] ==================================================================