Date
July 20, 2025, 8:11 p.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 17.106081] ================================================================== [ 17.106415] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 17.106547] Read of size 1 at addr fff00000c64ef2bb by task kunit_try_catch/226 [ 17.106597] [ 17.106652] CPU: 0 UID: 0 PID: 226 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.107633] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.107902] Hardware name: linux,dummy-virt (DT) [ 17.107939] Call trace: [ 17.108266] show_stack+0x20/0x38 (C) [ 17.108621] dump_stack_lvl+0x8c/0xd0 [ 17.108692] print_report+0x118/0x5d0 [ 17.109225] kasan_report+0xdc/0x128 [ 17.109425] __asan_report_load1_noabort+0x20/0x30 [ 17.109737] mempool_oob_right_helper+0x2ac/0x2f0 [ 17.110148] mempool_slab_oob_right+0xc0/0x118 [ 17.110228] kunit_try_run_case+0x170/0x3f0 [ 17.110415] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.110618] kthread+0x328/0x630 [ 17.111153] ret_from_fork+0x10/0x20 [ 17.111499] [ 17.111526] Allocated by task 226: [ 17.111616] kasan_save_stack+0x3c/0x68 [ 17.111997] kasan_save_track+0x20/0x40 [ 17.112168] kasan_save_alloc_info+0x40/0x58 [ 17.112497] __kasan_mempool_unpoison_object+0xbc/0x180 [ 17.112553] remove_element+0x16c/0x1f8 [ 17.112588] mempool_alloc_preallocated+0x58/0xc0 [ 17.113089] mempool_oob_right_helper+0x98/0x2f0 [ 17.113203] mempool_slab_oob_right+0xc0/0x118 [ 17.113409] kunit_try_run_case+0x170/0x3f0 [ 17.113473] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.113518] kthread+0x328/0x630 [ 17.113982] ret_from_fork+0x10/0x20 [ 17.114048] [ 17.114249] The buggy address belongs to the object at fff00000c64ef240 [ 17.114249] which belongs to the cache test_cache of size 123 [ 17.114469] The buggy address is located 0 bytes to the right of [ 17.114469] allocated 123-byte region [fff00000c64ef240, fff00000c64ef2bb) [ 17.114759] [ 17.114874] The buggy address belongs to the physical page: [ 17.114907] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064ef [ 17.115348] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.115619] page_type: f5(slab) [ 17.115736] raw: 0bfffe0000000000 fff00000c1af1780 dead000000000122 0000000000000000 [ 17.115966] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 17.116197] page dumped because: kasan: bad access detected [ 17.116560] [ 17.116871] Memory state around the buggy address: [ 17.116998] fff00000c64ef180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.117099] fff00000c64ef200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 17.117159] >fff00000c64ef280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 17.117382] ^ [ 17.117421] fff00000c64ef300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.117788] fff00000c64ef380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.117839] ================================================================== [ 17.087166] ================================================================== [ 17.087238] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 17.087290] Read of size 1 at addr fff00000c6486001 by task kunit_try_catch/224 [ 17.087340] [ 17.087369] CPU: 0 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.087449] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.087477] Hardware name: linux,dummy-virt (DT) [ 17.087507] Call trace: [ 17.087532] show_stack+0x20/0x38 (C) [ 17.088975] dump_stack_lvl+0x8c/0xd0 [ 17.089059] print_report+0x118/0x5d0 [ 17.089107] kasan_report+0xdc/0x128 [ 17.089154] __asan_report_load1_noabort+0x20/0x30 [ 17.089214] mempool_oob_right_helper+0x2ac/0x2f0 [ 17.089264] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 17.089316] kunit_try_run_case+0x170/0x3f0 [ 17.089363] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.089413] kthread+0x328/0x630 [ 17.089459] ret_from_fork+0x10/0x20 [ 17.089509] [ 17.089530] The buggy address belongs to the physical page: [ 17.089563] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106484 [ 17.089641] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 17.089736] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 17.089941] page_type: f8(unknown) [ 17.089988] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.090038] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.090096] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.090256] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.090315] head: 0bfffe0000000002 ffffc1ffc3192101 00000000ffffffff 00000000ffffffff [ 17.090366] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 17.090407] page dumped because: kasan: bad access detected [ 17.090441] [ 17.090460] Memory state around the buggy address: [ 17.090494] fff00000c6485f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.090537] fff00000c6485f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.090580] >fff00000c6486000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 17.090618] ^ [ 17.090647] fff00000c6486080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 17.090691] fff00000c6486100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 17.090730] ================================================================== [ 17.070647] ================================================================== [ 17.070715] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 17.070791] Read of size 1 at addr fff00000c64d8073 by task kunit_try_catch/222 [ 17.070842] [ 17.070887] CPU: 0 UID: 0 PID: 222 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.070975] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.071003] Hardware name: linux,dummy-virt (DT) [ 17.071039] Call trace: [ 17.071066] show_stack+0x20/0x38 (C) [ 17.071118] dump_stack_lvl+0x8c/0xd0 [ 17.071170] print_report+0x118/0x5d0 [ 17.071231] kasan_report+0xdc/0x128 [ 17.071277] __asan_report_load1_noabort+0x20/0x30 [ 17.071326] mempool_oob_right_helper+0x2ac/0x2f0 [ 17.071375] mempool_kmalloc_oob_right+0xc4/0x120 [ 17.071423] kunit_try_run_case+0x170/0x3f0 [ 17.071473] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.071526] kthread+0x328/0x630 [ 17.071570] ret_from_fork+0x10/0x20 [ 17.071620] [ 17.071640] Allocated by task 222: [ 17.071672] kasan_save_stack+0x3c/0x68 [ 17.071712] kasan_save_track+0x20/0x40 [ 17.071751] kasan_save_alloc_info+0x40/0x58 [ 17.071790] __kasan_mempool_unpoison_object+0x11c/0x180 [ 17.071834] remove_element+0x130/0x1f8 [ 17.071873] mempool_alloc_preallocated+0x58/0xc0 [ 17.071913] mempool_oob_right_helper+0x98/0x2f0 [ 17.071951] mempool_kmalloc_oob_right+0xc4/0x120 [ 17.071990] kunit_try_run_case+0x170/0x3f0 [ 17.072029] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.072074] kthread+0x328/0x630 [ 17.072106] ret_from_fork+0x10/0x20 [ 17.072143] [ 17.072164] The buggy address belongs to the object at fff00000c64d8000 [ 17.072164] which belongs to the cache kmalloc-128 of size 128 [ 17.072232] The buggy address is located 0 bytes to the right of [ 17.072232] allocated 115-byte region [fff00000c64d8000, fff00000c64d8073) [ 17.072296] [ 17.072320] The buggy address belongs to the physical page: [ 17.072353] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064d8 [ 17.072410] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.072463] page_type: f5(slab) [ 17.072506] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.072557] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.072600] page dumped because: kasan: bad access detected [ 17.072633] [ 17.072651] Memory state around the buggy address: [ 17.072687] fff00000c64d7f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.072731] fff00000c64d7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.072775] >fff00000c64d8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 17.072814] ^ [ 17.072852] fff00000c64d8080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.072910] fff00000c64d8100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 17.072951] ==================================================================
[ 14.420405] ================================================================== [ 14.420948] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.421581] Read of size 1 at addr ffff8881032682bb by task kunit_try_catch/243 [ 14.422041] [ 14.422168] CPU: 0 UID: 0 PID: 243 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 14.422218] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.422230] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.422253] Call Trace: [ 14.422267] <TASK> [ 14.422285] dump_stack_lvl+0x73/0xb0 [ 14.422320] print_report+0xd1/0x610 [ 14.422346] ? __virt_addr_valid+0x1db/0x2d0 [ 14.422372] ? mempool_oob_right_helper+0x318/0x380 [ 14.422395] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.422418] ? mempool_oob_right_helper+0x318/0x380 [ 14.422443] kasan_report+0x141/0x180 [ 14.422465] ? mempool_oob_right_helper+0x318/0x380 [ 14.422507] __asan_report_load1_noabort+0x18/0x20 [ 14.422532] mempool_oob_right_helper+0x318/0x380 [ 14.422557] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.422584] ? __pfx_sched_clock_cpu+0x10/0x10 [ 14.422607] ? finish_task_switch.isra.0+0x153/0x700 [ 14.422634] mempool_slab_oob_right+0xed/0x140 [ 14.422658] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 14.422686] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 14.422712] ? __pfx_mempool_free_slab+0x10/0x10 [ 14.422738] ? __pfx_read_tsc+0x10/0x10 [ 14.422759] ? ktime_get_ts64+0x86/0x230 [ 14.422785] kunit_try_run_case+0x1a5/0x480 [ 14.422812] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.422835] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.422861] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.422885] ? __kthread_parkme+0x82/0x180 [ 14.422909] ? preempt_count_sub+0x50/0x80 [ 14.422932] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.422957] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.422980] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.423005] kthread+0x337/0x6f0 [ 14.423024] ? trace_preempt_on+0x20/0xc0 [ 14.423065] ? __pfx_kthread+0x10/0x10 [ 14.423086] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.423109] ? calculate_sigpending+0x7b/0xa0 [ 14.423134] ? __pfx_kthread+0x10/0x10 [ 14.423156] ret_from_fork+0x116/0x1d0 [ 14.423176] ? __pfx_kthread+0x10/0x10 [ 14.423197] ret_from_fork_asm+0x1a/0x30 [ 14.423230] </TASK> [ 14.423240] [ 14.434682] Allocated by task 243: [ 14.435201] kasan_save_stack+0x45/0x70 [ 14.435419] kasan_save_track+0x18/0x40 [ 14.435631] kasan_save_alloc_info+0x3b/0x50 [ 14.436246] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 14.436609] remove_element+0x11e/0x190 [ 14.436914] mempool_alloc_preallocated+0x4d/0x90 [ 14.437285] mempool_oob_right_helper+0x8a/0x380 [ 14.437614] mempool_slab_oob_right+0xed/0x140 [ 14.437823] kunit_try_run_case+0x1a5/0x480 [ 14.438036] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.438499] kthread+0x337/0x6f0 [ 14.438660] ret_from_fork+0x116/0x1d0 [ 14.439104] ret_from_fork_asm+0x1a/0x30 [ 14.439306] [ 14.439387] The buggy address belongs to the object at ffff888103268240 [ 14.439387] which belongs to the cache test_cache of size 123 [ 14.440205] The buggy address is located 0 bytes to the right of [ 14.440205] allocated 123-byte region [ffff888103268240, ffff8881032682bb) [ 14.440906] [ 14.441026] The buggy address belongs to the physical page: [ 14.441278] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103268 [ 14.441630] flags: 0x200000000000000(node=0|zone=2) [ 14.441896] page_type: f5(slab) [ 14.442595] raw: 0200000000000000 ffff888103260280 dead000000000122 0000000000000000 [ 14.442964] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 14.443567] page dumped because: kasan: bad access detected [ 14.443971] [ 14.444129] Memory state around the buggy address: [ 14.444328] ffff888103268180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.444654] ffff888103268200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 14.445230] >ffff888103268280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 14.445516] ^ [ 14.445964] ffff888103268300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.446520] ffff888103268380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.446868] ================================================================== [ 14.393642] ================================================================== [ 14.394343] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.394665] Read of size 1 at addr ffff8881038d6001 by task kunit_try_catch/241 [ 14.395016] [ 14.395136] CPU: 0 UID: 0 PID: 241 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 14.395187] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.395199] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.395224] Call Trace: [ 14.395236] <TASK> [ 14.395254] dump_stack_lvl+0x73/0xb0 [ 14.395287] print_report+0xd1/0x610 [ 14.395311] ? __virt_addr_valid+0x1db/0x2d0 [ 14.395356] ? mempool_oob_right_helper+0x318/0x380 [ 14.395381] ? kasan_addr_to_slab+0x11/0xa0 [ 14.395402] ? mempool_oob_right_helper+0x318/0x380 [ 14.395426] kasan_report+0x141/0x180 [ 14.395449] ? mempool_oob_right_helper+0x318/0x380 [ 14.395487] __asan_report_load1_noabort+0x18/0x20 [ 14.395513] mempool_oob_right_helper+0x318/0x380 [ 14.395537] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.395565] ? finish_task_switch.isra.0+0x153/0x700 [ 14.395593] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 14.395618] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 14.395646] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.395671] ? __pfx_mempool_kfree+0x10/0x10 [ 14.395697] ? __pfx_read_tsc+0x10/0x10 [ 14.395718] ? ktime_get_ts64+0x86/0x230 [ 14.395762] kunit_try_run_case+0x1a5/0x480 [ 14.395789] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.395812] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.395837] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.395862] ? __kthread_parkme+0x82/0x180 [ 14.395882] ? preempt_count_sub+0x50/0x80 [ 14.395905] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.395930] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.395954] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.395978] kthread+0x337/0x6f0 [ 14.395998] ? trace_preempt_on+0x20/0xc0 [ 14.396053] ? __pfx_kthread+0x10/0x10 [ 14.396075] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.396098] ? calculate_sigpending+0x7b/0xa0 [ 14.396122] ? __pfx_kthread+0x10/0x10 [ 14.396144] ret_from_fork+0x116/0x1d0 [ 14.396164] ? __pfx_kthread+0x10/0x10 [ 14.396184] ret_from_fork_asm+0x1a/0x30 [ 14.396216] </TASK> [ 14.396226] [ 14.407622] The buggy address belongs to the physical page: [ 14.407856] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1038d4 [ 14.408800] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 14.409154] flags: 0x200000000000040(head|node=0|zone=2) [ 14.409585] page_type: f8(unknown) [ 14.409830] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.410308] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.410754] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.411055] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.411668] head: 0200000000000002 ffffea00040e3501 00000000ffffffff 00000000ffffffff [ 14.412126] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 14.412556] page dumped because: kasan: bad access detected [ 14.412900] [ 14.412985] Memory state around the buggy address: [ 14.413609] ffff8881038d5f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.413973] ffff8881038d5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.414363] >ffff8881038d6000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.414703] ^ [ 14.415120] ffff8881038d6080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.415457] ffff8881038d6100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.415886] ================================================================== [ 14.363852] ================================================================== [ 14.364257] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.365294] Read of size 1 at addr ffff888103249a73 by task kunit_try_catch/239 [ 14.365592] [ 14.365701] CPU: 0 UID: 0 PID: 239 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 14.365757] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.365769] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.365794] Call Trace: [ 14.365809] <TASK> [ 14.365830] dump_stack_lvl+0x73/0xb0 [ 14.365867] print_report+0xd1/0x610 [ 14.365892] ? __virt_addr_valid+0x1db/0x2d0 [ 14.365919] ? mempool_oob_right_helper+0x318/0x380 [ 14.365945] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.365968] ? mempool_oob_right_helper+0x318/0x380 [ 14.365992] kasan_report+0x141/0x180 [ 14.366014] ? mempool_oob_right_helper+0x318/0x380 [ 14.366043] __asan_report_load1_noabort+0x18/0x20 [ 14.366084] mempool_oob_right_helper+0x318/0x380 [ 14.366113] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.366139] ? __kasan_check_write+0x18/0x20 [ 14.366158] ? __pfx_sched_clock_cpu+0x10/0x10 [ 14.366183] ? finish_task_switch.isra.0+0x153/0x700 [ 14.366210] mempool_kmalloc_oob_right+0xf2/0x150 [ 14.366234] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 14.366260] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.366288] ? __pfx_mempool_kfree+0x10/0x10 [ 14.366313] ? __pfx_read_tsc+0x10/0x10 [ 14.366336] ? ktime_get_ts64+0x86/0x230 [ 14.366361] kunit_try_run_case+0x1a5/0x480 [ 14.366390] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.366412] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.366439] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.366462] ? __kthread_parkme+0x82/0x180 [ 14.366495] ? preempt_count_sub+0x50/0x80 [ 14.366518] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.366542] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.366566] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.366589] kthread+0x337/0x6f0 [ 14.366609] ? trace_preempt_on+0x20/0xc0 [ 14.366634] ? __pfx_kthread+0x10/0x10 [ 14.366656] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.366678] ? calculate_sigpending+0x7b/0xa0 [ 14.366704] ? __pfx_kthread+0x10/0x10 [ 14.366725] ret_from_fork+0x116/0x1d0 [ 14.366745] ? __pfx_kthread+0x10/0x10 [ 14.366765] ret_from_fork_asm+0x1a/0x30 [ 14.366814] </TASK> [ 14.366825] [ 14.378039] Allocated by task 239: [ 14.378562] kasan_save_stack+0x45/0x70 [ 14.378797] kasan_save_track+0x18/0x40 [ 14.379208] kasan_save_alloc_info+0x3b/0x50 [ 14.379383] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 14.379664] remove_element+0x11e/0x190 [ 14.379858] mempool_alloc_preallocated+0x4d/0x90 [ 14.380423] mempool_oob_right_helper+0x8a/0x380 [ 14.380733] mempool_kmalloc_oob_right+0xf2/0x150 [ 14.380989] kunit_try_run_case+0x1a5/0x480 [ 14.381392] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.381747] kthread+0x337/0x6f0 [ 14.381922] ret_from_fork+0x116/0x1d0 [ 14.382091] ret_from_fork_asm+0x1a/0x30 [ 14.382414] [ 14.382530] The buggy address belongs to the object at ffff888103249a00 [ 14.382530] which belongs to the cache kmalloc-128 of size 128 [ 14.383400] The buggy address is located 0 bytes to the right of [ 14.383400] allocated 115-byte region [ffff888103249a00, ffff888103249a73) [ 14.384228] [ 14.384333] The buggy address belongs to the physical page: [ 14.384598] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103249 [ 14.385270] flags: 0x200000000000000(node=0|zone=2) [ 14.385495] page_type: f5(slab) [ 14.385670] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 14.386250] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 14.386601] page dumped because: kasan: bad access detected [ 14.386877] [ 14.387055] Memory state around the buggy address: [ 14.387306] ffff888103249900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.387743] ffff888103249980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.388260] >ffff888103249a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 14.388536] ^ [ 14.389136] ffff888103249a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.389561] ffff888103249b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 14.389899] ==================================================================