Date
July 19, 2025, 11:11 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.235983] ================================================================== [ 17.236058] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 17.236131] Read of size 1 at addr fff00000c6e65473 by task kunit_try_catch/222 [ 17.236179] [ 17.236220] CPU: 1 UID: 0 PID: 222 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.236308] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.236337] Hardware name: linux,dummy-virt (DT) [ 17.236370] Call trace: [ 17.236395] show_stack+0x20/0x38 (C) [ 17.236446] dump_stack_lvl+0x8c/0xd0 [ 17.236496] print_report+0x118/0x5d0 [ 17.236558] kasan_report+0xdc/0x128 [ 17.236604] __asan_report_load1_noabort+0x20/0x30 [ 17.236654] mempool_oob_right_helper+0x2ac/0x2f0 [ 17.236702] mempool_kmalloc_oob_right+0xc4/0x120 [ 17.236751] kunit_try_run_case+0x170/0x3f0 [ 17.236800] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.236853] kthread+0x328/0x630 [ 17.236897] ret_from_fork+0x10/0x20 [ 17.236946] [ 17.236964] Allocated by task 222: [ 17.236995] kasan_save_stack+0x3c/0x68 [ 17.237036] kasan_save_track+0x20/0x40 [ 17.237074] kasan_save_alloc_info+0x40/0x58 [ 17.237113] __kasan_mempool_unpoison_object+0x11c/0x180 [ 17.237158] remove_element+0x130/0x1f8 [ 17.237195] mempool_alloc_preallocated+0x58/0xc0 [ 17.237235] mempool_oob_right_helper+0x98/0x2f0 [ 17.237274] mempool_kmalloc_oob_right+0xc4/0x120 [ 17.237313] kunit_try_run_case+0x170/0x3f0 [ 17.237352] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.237396] kthread+0x328/0x630 [ 17.237427] ret_from_fork+0x10/0x20 [ 17.237463] [ 17.237484] The buggy address belongs to the object at fff00000c6e65400 [ 17.237484] which belongs to the cache kmalloc-128 of size 128 [ 17.237556] The buggy address is located 0 bytes to the right of [ 17.237556] allocated 115-byte region [fff00000c6e65400, fff00000c6e65473) [ 17.237620] [ 17.237642] The buggy address belongs to the physical page: [ 17.237675] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106e65 [ 17.237833] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.237889] page_type: f5(slab) [ 17.237933] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.237983] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.238025] page dumped because: kasan: bad access detected [ 17.238055] [ 17.238073] Memory state around the buggy address: [ 17.238108] fff00000c6e65300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.238152] fff00000c6e65380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.238195] >fff00000c6e65400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 17.238234] ^ [ 17.238275] fff00000c6e65480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.238318] fff00000c6e65500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 17.238356] ================================================================== [ 17.253511] ================================================================== [ 17.253587] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 17.253643] Read of size 1 at addr fff00000c7766001 by task kunit_try_catch/224 [ 17.254036] [ 17.254329] CPU: 1 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.254589] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.254645] Hardware name: linux,dummy-virt (DT) [ 17.254845] Call trace: [ 17.254878] show_stack+0x20/0x38 (C) [ 17.255181] dump_stack_lvl+0x8c/0xd0 [ 17.255378] print_report+0x118/0x5d0 [ 17.255448] kasan_report+0xdc/0x128 [ 17.255635] __asan_report_load1_noabort+0x20/0x30 [ 17.255870] mempool_oob_right_helper+0x2ac/0x2f0 [ 17.256012] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 17.256066] kunit_try_run_case+0x170/0x3f0 [ 17.256551] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.256616] kthread+0x328/0x630 [ 17.256661] ret_from_fork+0x10/0x20 [ 17.256707] [ 17.256728] The buggy address belongs to the physical page: [ 17.256761] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107764 [ 17.257086] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 17.257384] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 17.257448] page_type: f8(unknown) [ 17.257614] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.257772] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.258128] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.258195] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.258294] head: 0bfffe0000000002 ffffc1ffc31dd901 00000000ffffffff 00000000ffffffff [ 17.258354] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 17.258401] page dumped because: kasan: bad access detected [ 17.258441] [ 17.258459] Memory state around the buggy address: [ 17.258492] fff00000c7765f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.258547] fff00000c7765f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.258589] >fff00000c7766000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 17.258627] ^ [ 17.258655] fff00000c7766080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 17.258696] fff00000c7766100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 17.258734] ================================================================== [ 17.268126] ================================================================== [ 17.268373] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 17.268572] Read of size 1 at addr fff00000c6e882bb by task kunit_try_catch/226 [ 17.268797] [ 17.268983] CPU: 1 UID: 0 PID: 226 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.269257] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.269291] Hardware name: linux,dummy-virt (DT) [ 17.269321] Call trace: [ 17.269343] show_stack+0x20/0x38 (C) [ 17.269392] dump_stack_lvl+0x8c/0xd0 [ 17.269437] print_report+0x118/0x5d0 [ 17.269684] kasan_report+0xdc/0x128 [ 17.269901] __asan_report_load1_noabort+0x20/0x30 [ 17.270024] mempool_oob_right_helper+0x2ac/0x2f0 [ 17.270113] mempool_slab_oob_right+0xc0/0x118 [ 17.270160] kunit_try_run_case+0x170/0x3f0 [ 17.270208] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.270260] kthread+0x328/0x630 [ 17.270301] ret_from_fork+0x10/0x20 [ 17.270362] [ 17.270381] Allocated by task 226: [ 17.270409] kasan_save_stack+0x3c/0x68 [ 17.270481] kasan_save_track+0x20/0x40 [ 17.270520] kasan_save_alloc_info+0x40/0x58 [ 17.270571] __kasan_mempool_unpoison_object+0xbc/0x180 [ 17.270616] remove_element+0x16c/0x1f8 [ 17.270654] mempool_alloc_preallocated+0x58/0xc0 [ 17.270692] mempool_oob_right_helper+0x98/0x2f0 [ 17.270732] mempool_slab_oob_right+0xc0/0x118 [ 17.270935] kunit_try_run_case+0x170/0x3f0 [ 17.270997] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.271053] kthread+0x328/0x630 [ 17.271086] ret_from_fork+0x10/0x20 [ 17.271183] [ 17.271275] The buggy address belongs to the object at fff00000c6e88240 [ 17.271275] which belongs to the cache test_cache of size 123 [ 17.271336] The buggy address is located 0 bytes to the right of [ 17.271336] allocated 123-byte region [fff00000c6e88240, fff00000c6e882bb) [ 17.271400] [ 17.271419] The buggy address belongs to the physical page: [ 17.271450] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106e88 [ 17.271510] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.271569] page_type: f5(slab) [ 17.271630] raw: 0bfffe0000000000 fff00000c5b79a00 dead000000000122 0000000000000000 [ 17.272040] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 17.272092] page dumped because: kasan: bad access detected [ 17.272211] [ 17.272292] Memory state around the buggy address: [ 17.272325] fff00000c6e88180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.272368] fff00000c6e88200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 17.272410] >fff00000c6e88280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 17.272447] ^ [ 17.272481] fff00000c6e88300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.272522] fff00000c6e88380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.272570] ==================================================================
[ 13.521152] ================================================================== [ 13.521665] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 13.521974] Read of size 1 at addr ffff8881039f62bb by task kunit_try_catch/243 [ 13.522395] [ 13.522526] CPU: 1 UID: 0 PID: 243 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.522575] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.522586] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.522609] Call Trace: [ 13.522622] <TASK> [ 13.522639] dump_stack_lvl+0x73/0xb0 [ 13.522672] print_report+0xd1/0x610 [ 13.522697] ? __virt_addr_valid+0x1db/0x2d0 [ 13.522721] ? mempool_oob_right_helper+0x318/0x380 [ 13.522745] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.522767] ? mempool_oob_right_helper+0x318/0x380 [ 13.522791] kasan_report+0x141/0x180 [ 13.522812] ? mempool_oob_right_helper+0x318/0x380 [ 13.522841] __asan_report_load1_noabort+0x18/0x20 [ 13.522865] mempool_oob_right_helper+0x318/0x380 [ 13.522890] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 13.522916] ? __pfx_sched_clock_cpu+0x10/0x10 [ 13.522938] ? finish_task_switch.isra.0+0x153/0x700 [ 13.522964] mempool_slab_oob_right+0xed/0x140 [ 13.522989] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 13.523016] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 13.523041] ? __pfx_mempool_free_slab+0x10/0x10 [ 13.523078] ? __pfx_read_tsc+0x10/0x10 [ 13.523100] ? ktime_get_ts64+0x86/0x230 [ 13.523124] kunit_try_run_case+0x1a5/0x480 [ 13.523150] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.523226] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.523252] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.523275] ? __kthread_parkme+0x82/0x180 [ 13.523296] ? preempt_count_sub+0x50/0x80 [ 13.523319] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.523342] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.523366] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.523390] kthread+0x337/0x6f0 [ 13.523409] ? trace_preempt_on+0x20/0xc0 [ 13.523432] ? __pfx_kthread+0x10/0x10 [ 13.523452] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.523474] ? calculate_sigpending+0x7b/0xa0 [ 13.523509] ? __pfx_kthread+0x10/0x10 [ 13.523530] ret_from_fork+0x116/0x1d0 [ 13.523549] ? __pfx_kthread+0x10/0x10 [ 13.523569] ret_from_fork_asm+0x1a/0x30 [ 13.523601] </TASK> [ 13.523611] [ 13.532613] Allocated by task 243: [ 13.532775] kasan_save_stack+0x45/0x70 [ 13.532953] kasan_save_track+0x18/0x40 [ 13.533145] kasan_save_alloc_info+0x3b/0x50 [ 13.533685] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 13.533903] remove_element+0x11e/0x190 [ 13.534090] mempool_alloc_preallocated+0x4d/0x90 [ 13.534318] mempool_oob_right_helper+0x8a/0x380 [ 13.534574] mempool_slab_oob_right+0xed/0x140 [ 13.534764] kunit_try_run_case+0x1a5/0x480 [ 13.534969] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.535232] kthread+0x337/0x6f0 [ 13.535392] ret_from_fork+0x116/0x1d0 [ 13.535555] ret_from_fork_asm+0x1a/0x30 [ 13.535751] [ 13.535848] The buggy address belongs to the object at ffff8881039f6240 [ 13.535848] which belongs to the cache test_cache of size 123 [ 13.536285] The buggy address is located 0 bytes to the right of [ 13.536285] allocated 123-byte region [ffff8881039f6240, ffff8881039f62bb) [ 13.536915] [ 13.536992] The buggy address belongs to the physical page: [ 13.537166] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039f6 [ 13.537408] flags: 0x200000000000000(node=0|zone=2) [ 13.537622] page_type: f5(slab) [ 13.537788] raw: 0200000000000000 ffff8881018a9b40 dead000000000122 0000000000000000 [ 13.538322] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 13.538607] page dumped because: kasan: bad access detected [ 13.538780] [ 13.538873] Memory state around the buggy address: [ 13.539214] ffff8881039f6180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.539548] ffff8881039f6200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 13.539854] >ffff8881039f6280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 13.540177] ^ [ 13.540378] ffff8881039f6300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.540689] ffff8881039f6380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.540947] ================================================================== [ 13.499392] ================================================================== [ 13.499867] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 13.500220] Read of size 1 at addr ffff88810395e001 by task kunit_try_catch/241 [ 13.500517] [ 13.500608] CPU: 0 UID: 0 PID: 241 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.500655] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.500666] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.500688] Call Trace: [ 13.500700] <TASK> [ 13.500715] dump_stack_lvl+0x73/0xb0 [ 13.500746] print_report+0xd1/0x610 [ 13.500768] ? __virt_addr_valid+0x1db/0x2d0 [ 13.500789] ? mempool_oob_right_helper+0x318/0x380 [ 13.500812] ? kasan_addr_to_slab+0x11/0xa0 [ 13.500832] ? mempool_oob_right_helper+0x318/0x380 [ 13.500856] kasan_report+0x141/0x180 [ 13.500876] ? mempool_oob_right_helper+0x318/0x380 [ 13.500905] __asan_report_load1_noabort+0x18/0x20 [ 13.500928] mempool_oob_right_helper+0x318/0x380 [ 13.500953] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 13.500979] ? irqentry_exit+0x2a/0x60 [ 13.501001] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 13.501026] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 13.501051] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 13.501078] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.501101] ? __pfx_mempool_kfree+0x10/0x10 [ 13.501124] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 13.501151] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 13.501178] kunit_try_run_case+0x1a5/0x480 [ 13.501202] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.501224] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.501249] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.501272] ? __kthread_parkme+0x82/0x180 [ 13.501291] ? preempt_count_sub+0x50/0x80 [ 13.501384] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.501408] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.501432] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.501455] kthread+0x337/0x6f0 [ 13.501474] ? trace_preempt_on+0x20/0xc0 [ 13.501509] ? __pfx_kthread+0x10/0x10 [ 13.501528] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.501550] ? calculate_sigpending+0x7b/0xa0 [ 13.501574] ? __pfx_kthread+0x10/0x10 [ 13.501595] ret_from_fork+0x116/0x1d0 [ 13.501615] ? __pfx_kthread+0x10/0x10 [ 13.501634] ret_from_fork_asm+0x1a/0x30 [ 13.501664] </TASK> [ 13.501675] [ 13.510132] The buggy address belongs to the physical page: [ 13.510405] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10395c [ 13.510752] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 13.511027] flags: 0x200000000000040(head|node=0|zone=2) [ 13.511414] page_type: f8(unknown) [ 13.511592] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.511880] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.512273] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.512561] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.512867] head: 0200000000000002 ffffea00040e5701 00000000ffffffff 00000000ffffffff [ 13.513272] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 13.513558] page dumped because: kasan: bad access detected [ 13.513770] [ 13.513862] Memory state around the buggy address: [ 13.514068] ffff88810395df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.514372] ffff88810395df80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.514642] >ffff88810395e000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 13.514853] ^ [ 13.514968] ffff88810395e080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 13.515188] ffff88810395e100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 13.515504] ================================================================== [ 13.468400] ================================================================== [ 13.468857] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 13.469319] Read of size 1 at addr ffff8881027e4873 by task kunit_try_catch/239 [ 13.469599] [ 13.469768] CPU: 0 UID: 0 PID: 239 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.469833] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.469846] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.469869] Call Trace: [ 13.469882] <TASK> [ 13.469900] dump_stack_lvl+0x73/0xb0 [ 13.469934] print_report+0xd1/0x610 [ 13.469957] ? __virt_addr_valid+0x1db/0x2d0 [ 13.469982] ? mempool_oob_right_helper+0x318/0x380 [ 13.470037] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.470060] ? mempool_oob_right_helper+0x318/0x380 [ 13.470084] kasan_report+0x141/0x180 [ 13.470139] ? mempool_oob_right_helper+0x318/0x380 [ 13.470187] __asan_report_load1_noabort+0x18/0x20 [ 13.470239] mempool_oob_right_helper+0x318/0x380 [ 13.470264] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 13.470288] ? __kasan_check_write+0x18/0x20 [ 13.470308] ? __pfx_sched_clock_cpu+0x10/0x10 [ 13.470330] ? finish_task_switch.isra.0+0x153/0x700 [ 13.470358] mempool_kmalloc_oob_right+0xf2/0x150 [ 13.470390] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 13.470418] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.470442] ? __pfx_mempool_kfree+0x10/0x10 [ 13.470467] ? __pfx_read_tsc+0x10/0x10 [ 13.470519] ? ktime_get_ts64+0x86/0x230 [ 13.470555] kunit_try_run_case+0x1a5/0x480 [ 13.470582] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.470631] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.470667] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.470690] ? __kthread_parkme+0x82/0x180 [ 13.470711] ? preempt_count_sub+0x50/0x80 [ 13.470744] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.470768] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.470792] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.470815] kthread+0x337/0x6f0 [ 13.470834] ? trace_preempt_on+0x20/0xc0 [ 13.470857] ? __pfx_kthread+0x10/0x10 [ 13.470877] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.470899] ? calculate_sigpending+0x7b/0xa0 [ 13.470924] ? __pfx_kthread+0x10/0x10 [ 13.470944] ret_from_fork+0x116/0x1d0 [ 13.470962] ? __pfx_kthread+0x10/0x10 [ 13.470982] ret_from_fork_asm+0x1a/0x30 [ 13.471013] </TASK> [ 13.471024] [ 13.483491] Allocated by task 239: [ 13.483736] kasan_save_stack+0x45/0x70 [ 13.484251] kasan_save_track+0x18/0x40 [ 13.484415] kasan_save_alloc_info+0x3b/0x50 [ 13.484721] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 13.485242] remove_element+0x11e/0x190 [ 13.485418] mempool_alloc_preallocated+0x4d/0x90 [ 13.485802] mempool_oob_right_helper+0x8a/0x380 [ 13.486055] mempool_kmalloc_oob_right+0xf2/0x150 [ 13.486515] kunit_try_run_case+0x1a5/0x480 [ 13.486803] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.487062] kthread+0x337/0x6f0 [ 13.487370] ret_from_fork+0x116/0x1d0 [ 13.487575] ret_from_fork_asm+0x1a/0x30 [ 13.487764] [ 13.487852] The buggy address belongs to the object at ffff8881027e4800 [ 13.487852] which belongs to the cache kmalloc-128 of size 128 [ 13.488744] The buggy address is located 0 bytes to the right of [ 13.488744] allocated 115-byte region [ffff8881027e4800, ffff8881027e4873) [ 13.489461] [ 13.489584] The buggy address belongs to the physical page: [ 13.490040] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027e4 [ 13.490525] flags: 0x200000000000000(node=0|zone=2) [ 13.490906] page_type: f5(slab) [ 13.491287] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.491640] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.492275] page dumped because: kasan: bad access detected [ 13.492538] [ 13.492630] Memory state around the buggy address: [ 13.492984] ffff8881027e4700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.493450] ffff8881027e4780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.493914] >ffff8881027e4800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 13.494402] ^ [ 13.494871] ffff8881027e4880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.495432] ffff8881027e4900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 13.495947] ==================================================================