Date
July 25, 2025, 3:13 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 34.252320] ================================================================== [ 34.252397] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 34.252476] Read of size 1 at addr fff00000c8636873 by task kunit_try_catch/253 [ 34.252527] [ 34.252569] CPU: 0 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc7-next-20250725 #1 PREEMPT [ 34.252681] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 34.252713] Hardware name: linux,dummy-virt (DT) [ 34.252746] Call trace: [ 34.252774] show_stack+0x20/0x38 (C) [ 34.252826] dump_stack_lvl+0x8c/0xd0 [ 34.252876] print_report+0x118/0x5e8 [ 34.252921] kasan_report+0xdc/0x128 [ 34.252964] __asan_report_load1_noabort+0x20/0x30 [ 34.253013] mempool_oob_right_helper+0x2ac/0x2f0 [ 34.253065] mempool_kmalloc_oob_right+0xc4/0x120 [ 34.253113] kunit_try_run_case+0x170/0x3f0 [ 34.253162] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.253215] kthread+0x328/0x630 [ 34.253258] ret_from_fork+0x10/0x20 [ 34.253309] [ 34.253329] Allocated by task 253: [ 34.253359] kasan_save_stack+0x3c/0x68 [ 34.253398] kasan_save_track+0x20/0x40 [ 34.253434] kasan_save_alloc_info+0x40/0x58 [ 34.253470] __kasan_mempool_unpoison_object+0x11c/0x180 [ 34.253515] remove_element+0x130/0x1f8 [ 34.253553] mempool_alloc_preallocated+0x58/0xc0 [ 34.253594] mempool_oob_right_helper+0x98/0x2f0 [ 34.253634] mempool_kmalloc_oob_right+0xc4/0x120 [ 34.253684] kunit_try_run_case+0x170/0x3f0 [ 34.253721] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.253764] kthread+0x328/0x630 [ 34.253795] ret_from_fork+0x10/0x20 [ 34.253831] [ 34.253851] The buggy address belongs to the object at fff00000c8636800 [ 34.253851] which belongs to the cache kmalloc-128 of size 128 [ 34.253909] The buggy address is located 0 bytes to the right of [ 34.253909] allocated 115-byte region [fff00000c8636800, fff00000c8636873) [ 34.253973] [ 34.253996] The buggy address belongs to the physical page: [ 34.254034] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x108636 [ 34.254093] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.254146] page_type: f5(slab) [ 34.254189] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 34.254239] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 34.254280] page dumped because: kasan: bad access detected [ 34.254311] [ 34.254331] Memory state around the buggy address: [ 34.254366] fff00000c8636700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.254410] fff00000c8636780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.254456] >fff00000c8636800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 34.254495] ^ [ 34.254536] fff00000c8636880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.254578] fff00000c8636900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 34.254618] ================================================================== [ 34.269082] ================================================================== [ 34.269147] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 34.269208] Read of size 1 at addr fff00000c99fe001 by task kunit_try_catch/255 [ 34.269257] [ 34.269291] CPU: 0 UID: 0 PID: 255 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc7-next-20250725 #1 PREEMPT [ 34.269383] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 34.269413] Hardware name: linux,dummy-virt (DT) [ 34.269443] Call trace: [ 34.269468] show_stack+0x20/0x38 (C) [ 34.269514] dump_stack_lvl+0x8c/0xd0 [ 34.269987] print_report+0x118/0x5e8 [ 34.270058] kasan_report+0xdc/0x128 [ 34.270101] __asan_report_load1_noabort+0x20/0x30 [ 34.270659] mempool_oob_right_helper+0x2ac/0x2f0 [ 34.270791] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 34.270849] kunit_try_run_case+0x170/0x3f0 [ 34.270899] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.271341] kthread+0x328/0x630 [ 34.271401] ret_from_fork+0x10/0x20 [ 34.272073] [ 34.272127] The buggy address belongs to the physical page: [ 34.272560] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1099fc [ 34.273070] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 34.273525] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 34.274084] page_type: f8(unknown) [ 34.274193] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 34.274244] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 34.274787] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 34.274911] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 34.274960] head: 0bfffe0000000002 ffffc1ffc3267f01 00000000ffffffff 00000000ffffffff [ 34.275531] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 34.275580] page dumped because: kasan: bad access detected [ 34.275613] [ 34.275632] Memory state around the buggy address: [ 34.276010] fff00000c99fdf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 34.276828] fff00000c99fdf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 34.277185] >fff00000c99fe000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 34.277467] ^ [ 34.277503] fff00000c99fe080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 34.277950] fff00000c99fe100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 34.278006] ================================================================== [ 34.297527] ================================================================== [ 34.297938] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 34.298022] Read of size 1 at addr fff00000c9a902bb by task kunit_try_catch/257 [ 34.298073] [ 34.298108] CPU: 0 UID: 0 PID: 257 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc7-next-20250725 #1 PREEMPT [ 34.298202] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 34.298232] Hardware name: linux,dummy-virt (DT) [ 34.298265] Call trace: [ 34.298289] show_stack+0x20/0x38 (C) [ 34.299693] dump_stack_lvl+0x8c/0xd0 [ 34.299771] print_report+0x118/0x5e8 [ 34.300055] kasan_report+0xdc/0x128 [ 34.300116] __asan_report_load1_noabort+0x20/0x30 [ 34.300223] mempool_oob_right_helper+0x2ac/0x2f0 [ 34.300274] mempool_slab_oob_right+0xc0/0x118 [ 34.300323] kunit_try_run_case+0x170/0x3f0 [ 34.300373] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.300608] kthread+0x328/0x630 [ 34.300677] ret_from_fork+0x10/0x20 [ 34.300724] [ 34.300746] Allocated by task 257: [ 34.300831] kasan_save_stack+0x3c/0x68 [ 34.300938] kasan_save_track+0x20/0x40 [ 34.301017] kasan_save_alloc_info+0x40/0x58 [ 34.301095] __kasan_mempool_unpoison_object+0xbc/0x180 [ 34.301175] remove_element+0x16c/0x1f8 [ 34.301229] mempool_alloc_preallocated+0x58/0xc0 [ 34.301317] mempool_oob_right_helper+0x98/0x2f0 [ 34.301357] mempool_slab_oob_right+0xc0/0x118 [ 34.301397] kunit_try_run_case+0x170/0x3f0 [ 34.301434] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.301696] kthread+0x328/0x630 [ 34.301736] ret_from_fork+0x10/0x20 [ 34.301921] [ 34.301946] The buggy address belongs to the object at fff00000c9a90240 [ 34.301946] which belongs to the cache test_cache of size 123 [ 34.302226] The buggy address is located 0 bytes to the right of [ 34.302226] allocated 123-byte region [fff00000c9a90240, fff00000c9a902bb) [ 34.302356] [ 34.302375] The buggy address belongs to the physical page: [ 34.302409] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109a90 [ 34.302465] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.302515] page_type: f5(slab) [ 34.302565] raw: 0bfffe0000000000 fff00000c4517780 dead000000000122 0000000000000000 [ 34.302614] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 34.303055] page dumped because: kasan: bad access detected [ 34.303131] [ 34.303169] Memory state around the buggy address: [ 34.303295] fff00000c9a90180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.303349] fff00000c9a90200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 34.303397] >fff00000c9a90280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 34.303459] ^ [ 34.303495] fff00000c9a90300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.303536] fff00000c9a90380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 34.303574] ==================================================================
[ 27.234646] ================================================================== [ 27.235140] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 27.235475] Read of size 1 at addr ffff888105800873 by task kunit_try_catch/270 [ 27.235963] [ 27.236142] CPU: 0 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7-next-20250725 #1 PREEMPT(voluntary) [ 27.236201] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.236214] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.236238] Call Trace: [ 27.236252] <TASK> [ 27.236274] dump_stack_lvl+0x73/0xb0 [ 27.236308] print_report+0xd1/0x640 [ 27.236334] ? __virt_addr_valid+0x1db/0x2d0 [ 27.236362] ? mempool_oob_right_helper+0x318/0x380 [ 27.236386] ? kasan_complete_mode_report_info+0x2a/0x200 [ 27.236414] ? mempool_oob_right_helper+0x318/0x380 [ 27.236438] kasan_report+0x141/0x180 [ 27.236462] ? mempool_oob_right_helper+0x318/0x380 [ 27.236491] __asan_report_load1_noabort+0x18/0x20 [ 27.236516] mempool_oob_right_helper+0x318/0x380 [ 27.236542] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 27.236568] ? dequeue_entities+0x23f/0x1630 [ 27.236594] ? __kasan_check_write+0x18/0x20 [ 27.236619] ? __pfx_sched_clock_cpu+0x10/0x10 [ 27.236642] ? finish_task_switch.isra.0+0x153/0x700 [ 27.236670] mempool_kmalloc_oob_right+0xf2/0x150 [ 27.236694] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 27.236722] ? __pfx_mempool_kmalloc+0x10/0x10 [ 27.236748] ? __pfx_mempool_kfree+0x10/0x10 [ 27.236774] ? __pfx_read_tsc+0x10/0x10 [ 27.237314] ? ktime_get_ts64+0x86/0x230 [ 27.237345] kunit_try_run_case+0x1a5/0x480 [ 27.237376] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.237402] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 27.237427] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.237455] ? __kthread_parkme+0x82/0x180 [ 27.237477] ? preempt_count_sub+0x50/0x80 [ 27.237502] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.237527] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.237553] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.237578] kthread+0x337/0x6f0 [ 27.237600] ? trace_preempt_on+0x20/0xc0 [ 27.237626] ? __pfx_kthread+0x10/0x10 [ 27.237647] ? _raw_spin_unlock_irq+0x47/0x80 [ 27.237675] ? calculate_sigpending+0x7b/0xa0 [ 27.237701] ? __pfx_kthread+0x10/0x10 [ 27.237723] ret_from_fork+0x116/0x1d0 [ 27.237745] ? __pfx_kthread+0x10/0x10 [ 27.237766] ret_from_fork_asm+0x1a/0x30 [ 27.237855] </TASK> [ 27.237869] [ 27.249782] Allocated by task 270: [ 27.250330] kasan_save_stack+0x45/0x70 [ 27.250517] kasan_save_track+0x18/0x40 [ 27.250691] kasan_save_alloc_info+0x3b/0x50 [ 27.251176] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 27.251657] remove_element+0x11e/0x190 [ 27.251827] mempool_alloc_preallocated+0x4d/0x90 [ 27.252282] mempool_oob_right_helper+0x8a/0x380 [ 27.252481] mempool_kmalloc_oob_right+0xf2/0x150 [ 27.252660] kunit_try_run_case+0x1a5/0x480 [ 27.252971] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.253156] kthread+0x337/0x6f0 [ 27.253320] ret_from_fork+0x116/0x1d0 [ 27.253609] ret_from_fork_asm+0x1a/0x30 [ 27.253775] [ 27.253907] The buggy address belongs to the object at ffff888105800800 [ 27.253907] which belongs to the cache kmalloc-128 of size 128 [ 27.254414] The buggy address is located 0 bytes to the right of [ 27.254414] allocated 115-byte region [ffff888105800800, ffff888105800873) [ 27.254858] [ 27.254960] The buggy address belongs to the physical page: [ 27.255363] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105800 [ 27.255662] flags: 0x200000000000000(node=0|zone=2) [ 27.255831] page_type: f5(slab) [ 27.256050] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 27.256365] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 27.256622] page dumped because: kasan: bad access detected [ 27.256995] [ 27.257081] Memory state around the buggy address: [ 27.257288] ffff888105800700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.257544] ffff888105800780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.257971] >ffff888105800800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 27.258256] ^ [ 27.258561] ffff888105800880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.258853] ffff888105800900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 27.259140] ================================================================== [ 27.263766] ================================================================== [ 27.264339] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 27.264659] Read of size 1 at addr ffff88810636e001 by task kunit_try_catch/272 [ 27.265558] [ 27.265677] CPU: 0 UID: 0 PID: 272 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7-next-20250725 #1 PREEMPT(voluntary) [ 27.265732] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.265745] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.265768] Call Trace: [ 27.265782] <TASK> [ 27.265801] dump_stack_lvl+0x73/0xb0 [ 27.266019] print_report+0xd1/0x640 [ 27.266045] ? __virt_addr_valid+0x1db/0x2d0 [ 27.266086] ? mempool_oob_right_helper+0x318/0x380 [ 27.266110] ? kasan_addr_to_slab+0x11/0xa0 [ 27.266132] ? mempool_oob_right_helper+0x318/0x380 [ 27.266156] kasan_report+0x141/0x180 [ 27.266180] ? mempool_oob_right_helper+0x318/0x380 [ 27.266209] __asan_report_load1_noabort+0x18/0x20 [ 27.266234] mempool_oob_right_helper+0x318/0x380 [ 27.266259] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 27.266286] ? dequeue_entities+0x23f/0x1630 [ 27.266313] ? __pfx_sched_clock_cpu+0x10/0x10 [ 27.266335] ? finish_task_switch.isra.0+0x153/0x700 [ 27.266362] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 27.266388] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 27.266417] ? __pfx_mempool_kmalloc+0x10/0x10 [ 27.266441] ? __pfx_mempool_kfree+0x10/0x10 [ 27.266467] ? __pfx_read_tsc+0x10/0x10 [ 27.266490] ? ktime_get_ts64+0x86/0x230 [ 27.266515] kunit_try_run_case+0x1a5/0x480 [ 27.266540] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.266565] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 27.266590] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.266617] ? __kthread_parkme+0x82/0x180 [ 27.266639] ? preempt_count_sub+0x50/0x80 [ 27.266663] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.266688] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.266714] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.266739] kthread+0x337/0x6f0 [ 27.266759] ? trace_preempt_on+0x20/0xc0 [ 27.266794] ? __pfx_kthread+0x10/0x10 [ 27.266817] ? _raw_spin_unlock_irq+0x47/0x80 [ 27.266842] ? calculate_sigpending+0x7b/0xa0 [ 27.266868] ? __pfx_kthread+0x10/0x10 [ 27.266891] ret_from_fork+0x116/0x1d0 [ 27.266911] ? __pfx_kthread+0x10/0x10 [ 27.266933] ret_from_fork_asm+0x1a/0x30 [ 27.266977] </TASK> [ 27.266990] [ 27.278228] The buggy address belongs to the physical page: [ 27.278595] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10636c [ 27.279101] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 27.279415] flags: 0x200000000000040(head|node=0|zone=2) [ 27.279645] page_type: f8(unknown) [ 27.279890] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 27.280229] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 27.280506] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 27.280762] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 27.281186] head: 0200000000000002 ffffea000418db01 00000000ffffffff 00000000ffffffff [ 27.281650] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 27.282039] page dumped because: kasan: bad access detected [ 27.282369] [ 27.282440] Memory state around the buggy address: [ 27.282637] ffff88810636df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.283057] ffff88810636df80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 27.283322] >ffff88810636e000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 27.283599] ^ [ 27.283781] ffff88810636e080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 27.284032] ffff88810636e100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 27.284469] ================================================================== [ 27.288603] ================================================================== [ 27.289467] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 27.289795] Read of size 1 at addr ffff8881062632bb by task kunit_try_catch/274 [ 27.290530] [ 27.290634] CPU: 1 UID: 0 PID: 274 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7-next-20250725 #1 PREEMPT(voluntary) [ 27.290689] Tainted: [B]=BAD_PAGE, [N]=TEST [ 27.290702] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 27.290727] Call Trace: [ 27.290741] <TASK> [ 27.290874] dump_stack_lvl+0x73/0xb0 [ 27.290986] print_report+0xd1/0x640 [ 27.291013] ? __virt_addr_valid+0x1db/0x2d0 [ 27.291040] ? mempool_oob_right_helper+0x318/0x380 [ 27.291065] ? kasan_complete_mode_report_info+0x2a/0x200 [ 27.291156] ? mempool_oob_right_helper+0x318/0x380 [ 27.291183] kasan_report+0x141/0x180 [ 27.291206] ? mempool_oob_right_helper+0x318/0x380 [ 27.291236] __asan_report_load1_noabort+0x18/0x20 [ 27.291260] mempool_oob_right_helper+0x318/0x380 [ 27.291286] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 27.291313] ? __pfx_sched_clock_cpu+0x10/0x10 [ 27.291337] ? finish_task_switch.isra.0+0x153/0x700 [ 27.291365] mempool_slab_oob_right+0xed/0x140 [ 27.291390] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 27.291417] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 27.291444] ? __pfx_mempool_free_slab+0x10/0x10 [ 27.291471] ? __pfx_read_tsc+0x10/0x10 [ 27.291494] ? ktime_get_ts64+0x86/0x230 [ 27.291520] kunit_try_run_case+0x1a5/0x480 [ 27.291548] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.291572] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 27.291595] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 27.291623] ? __kthread_parkme+0x82/0x180 [ 27.291646] ? preempt_count_sub+0x50/0x80 [ 27.291670] ? __pfx_kunit_try_run_case+0x10/0x10 [ 27.291694] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.291719] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 27.291744] kthread+0x337/0x6f0 [ 27.291765] ? trace_preempt_on+0x20/0xc0 [ 27.291809] ? __pfx_kthread+0x10/0x10 [ 27.291831] ? _raw_spin_unlock_irq+0x47/0x80 [ 27.291856] ? calculate_sigpending+0x7b/0xa0 [ 27.291882] ? __pfx_kthread+0x10/0x10 [ 27.291904] ret_from_fork+0x116/0x1d0 [ 27.291923] ? __pfx_kthread+0x10/0x10 [ 27.291957] ret_from_fork_asm+0x1a/0x30 [ 27.291990] </TASK> [ 27.292002] [ 27.307836] Allocated by task 274: [ 27.308008] kasan_save_stack+0x45/0x70 [ 27.308705] kasan_save_track+0x18/0x40 [ 27.309099] kasan_save_alloc_info+0x3b/0x50 [ 27.309724] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 27.310417] remove_element+0x11e/0x190 [ 27.310580] mempool_alloc_preallocated+0x4d/0x90 [ 27.310750] mempool_oob_right_helper+0x8a/0x380 [ 27.311278] mempool_slab_oob_right+0xed/0x140 [ 27.311720] kunit_try_run_case+0x1a5/0x480 [ 27.312258] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 27.312896] kthread+0x337/0x6f0 [ 27.313400] ret_from_fork+0x116/0x1d0 [ 27.313768] ret_from_fork_asm+0x1a/0x30 [ 27.314103] [ 27.314179] The buggy address belongs to the object at ffff888106263240 [ 27.314179] which belongs to the cache test_cache of size 123 [ 27.314567] The buggy address is located 0 bytes to the right of [ 27.314567] allocated 123-byte region [ffff888106263240, ffff8881062632bb) [ 27.314999] [ 27.315078] The buggy address belongs to the physical page: [ 27.315554] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106263 [ 27.315873] flags: 0x200000000000000(node=0|zone=2) [ 27.316362] page_type: f5(slab) [ 27.316553] raw: 0200000000000000 ffff8881062583c0 dead000000000122 0000000000000000 [ 27.317104] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 27.317395] page dumped because: kasan: bad access detected [ 27.317756] [ 27.317955] Memory state around the buggy address: [ 27.318155] ffff888106263180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 27.318621] ffff888106263200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 27.318958] >ffff888106263280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 27.319221] ^ [ 27.319522] ffff888106263300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.319933] ffff888106263380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 27.320362] ==================================================================