Date
July 16, 2025, 12:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.638202] ================================================================== [ 32.638270] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 32.638526] Read of size 1 at addr fff00000c9bf2001 by task kunit_try_catch/254 [ 32.638578] [ 32.639161] CPU: 0 UID: 0 PID: 254 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT [ 32.639370] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.639436] Hardware name: linux,dummy-virt (DT) [ 32.639468] Call trace: [ 32.639493] show_stack+0x20/0x38 (C) [ 32.639925] dump_stack_lvl+0x8c/0xd0 [ 32.639978] print_report+0x118/0x5d0 [ 32.640023] kasan_report+0xdc/0x128 [ 32.640067] __asan_report_load1_noabort+0x20/0x30 [ 32.640114] mempool_oob_right_helper+0x2ac/0x2f0 [ 32.640388] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 32.640862] kunit_try_run_case+0x170/0x3f0 [ 32.640923] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.640976] kthread+0x328/0x630 [ 32.641392] ret_from_fork+0x10/0x20 [ 32.641488] [ 32.641529] The buggy address belongs to the physical page: [ 32.641562] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109bf0 [ 32.641920] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 32.641974] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 32.642175] page_type: f8(unknown) [ 32.642379] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 32.642435] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 32.642486] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 32.642612] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 32.642879] head: 0bfffe0000000002 ffffc1ffc326fc01 00000000ffffffff 00000000ffffffff [ 32.642967] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 32.643016] page dumped because: kasan: bad access detected [ 32.643202] [ 32.643222] Memory state around the buggy address: [ 32.643298] fff00000c9bf1f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.643373] fff00000c9bf1f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.643431] >fff00000c9bf2000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 32.643816] ^ [ 32.643951] fff00000c9bf2080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 32.643998] fff00000c9bf2100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 32.644038] ================================================================== [ 32.626891] ================================================================== [ 32.626961] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 32.627035] Read of size 1 at addr fff00000c9ba2273 by task kunit_try_catch/252 [ 32.627087] [ 32.627128] CPU: 0 UID: 0 PID: 252 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT [ 32.627219] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.627247] Hardware name: linux,dummy-virt (DT) [ 32.627282] Call trace: [ 32.627308] show_stack+0x20/0x38 (C) [ 32.627359] dump_stack_lvl+0x8c/0xd0 [ 32.627409] print_report+0x118/0x5d0 [ 32.627453] kasan_report+0xdc/0x128 [ 32.627495] __asan_report_load1_noabort+0x20/0x30 [ 32.627560] mempool_oob_right_helper+0x2ac/0x2f0 [ 32.627610] mempool_kmalloc_oob_right+0xc4/0x120 [ 32.627660] kunit_try_run_case+0x170/0x3f0 [ 32.627712] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.627775] kthread+0x328/0x630 [ 32.628026] ret_from_fork+0x10/0x20 [ 32.628076] [ 32.628096] Allocated by task 252: [ 32.628126] kasan_save_stack+0x3c/0x68 [ 32.628168] kasan_save_track+0x20/0x40 [ 32.628204] kasan_save_alloc_info+0x40/0x58 [ 32.628244] __kasan_mempool_unpoison_object+0x11c/0x180 [ 32.628291] remove_element+0x130/0x1f8 [ 32.628333] mempool_alloc_preallocated+0x58/0xc0 [ 32.628375] mempool_oob_right_helper+0x98/0x2f0 [ 32.628416] mempool_kmalloc_oob_right+0xc4/0x120 [ 32.628459] kunit_try_run_case+0x170/0x3f0 [ 32.628496] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.628555] kthread+0x328/0x630 [ 32.628588] ret_from_fork+0x10/0x20 [ 32.628623] [ 32.628644] The buggy address belongs to the object at fff00000c9ba2200 [ 32.628644] which belongs to the cache kmalloc-128 of size 128 [ 32.628705] The buggy address is located 0 bytes to the right of [ 32.628705] allocated 115-byte region [fff00000c9ba2200, fff00000c9ba2273) [ 32.628771] [ 32.628794] The buggy address belongs to the physical page: [ 32.628828] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109ba2 [ 32.628887] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.628940] page_type: f5(slab) [ 32.628987] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 32.629039] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 32.629084] page dumped because: kasan: bad access detected [ 32.629118] [ 32.629136] Memory state around the buggy address: [ 32.629172] fff00000c9ba2100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.629217] fff00000c9ba2180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.629260] >fff00000c9ba2200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 32.629301] ^ [ 32.629344] fff00000c9ba2280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.629388] fff00000c9ba2300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 32.629427] ================================================================== [ 32.654890] ================================================================== [ 32.655153] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 32.655393] Read of size 1 at addr fff00000c9b0a2bb by task kunit_try_catch/256 [ 32.655640] [ 32.655922] CPU: 0 UID: 0 PID: 256 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT [ 32.656198] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.656395] Hardware name: linux,dummy-virt (DT) [ 32.656535] Call trace: [ 32.656569] show_stack+0x20/0x38 (C) [ 32.656649] dump_stack_lvl+0x8c/0xd0 [ 32.656955] print_report+0x118/0x5d0 [ 32.657245] kasan_report+0xdc/0x128 [ 32.657483] __asan_report_load1_noabort+0x20/0x30 [ 32.657548] mempool_oob_right_helper+0x2ac/0x2f0 [ 32.657599] mempool_slab_oob_right+0xc0/0x118 [ 32.657690] kunit_try_run_case+0x170/0x3f0 [ 32.657917] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.657972] kthread+0x328/0x630 [ 32.658014] ret_from_fork+0x10/0x20 [ 32.658114] [ 32.658133] Allocated by task 256: [ 32.658184] kasan_save_stack+0x3c/0x68 [ 32.658234] kasan_save_track+0x20/0x40 [ 32.658270] kasan_save_alloc_info+0x40/0x58 [ 32.658308] __kasan_mempool_unpoison_object+0xbc/0x180 [ 32.658350] remove_element+0x16c/0x1f8 [ 32.658438] mempool_alloc_preallocated+0x58/0xc0 [ 32.658652] mempool_oob_right_helper+0x98/0x2f0 [ 32.658693] mempool_slab_oob_right+0xc0/0x118 [ 32.658734] kunit_try_run_case+0x170/0x3f0 [ 32.658810] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.659014] kthread+0x328/0x630 [ 32.659143] ret_from_fork+0x10/0x20 [ 32.659181] [ 32.659200] The buggy address belongs to the object at fff00000c9b0a240 [ 32.659200] which belongs to the cache test_cache of size 123 [ 32.659303] The buggy address is located 0 bytes to the right of [ 32.659303] allocated 123-byte region [fff00000c9b0a240, fff00000c9b0a2bb) [ 32.659461] [ 32.659481] The buggy address belongs to the physical page: [ 32.659527] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109b0a [ 32.659580] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.659627] page_type: f5(slab) [ 32.659665] raw: 0bfffe0000000000 fff00000c56a1c80 dead000000000122 0000000000000000 [ 32.659717] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 32.660016] page dumped because: kasan: bad access detected [ 32.660189] [ 32.660383] Memory state around the buggy address: [ 32.660423] fff00000c9b0a180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.660490] fff00000c9b0a200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 32.660545] >fff00000c9b0a280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 32.660584] ^ [ 32.660618] fff00000c9b0a300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.660875] fff00000c9b0a380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.660973] ==================================================================
[ 24.753112] ================================================================== [ 24.753666] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 24.754227] Read of size 1 at addr ffff8881060fe001 by task kunit_try_catch/272 [ 24.754739] [ 24.754864] CPU: 1 UID: 0 PID: 272 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT(voluntary) [ 24.754923] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.754937] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.754960] Call Trace: [ 24.754977] <TASK> [ 24.755000] dump_stack_lvl+0x73/0xb0 [ 24.755039] print_report+0xd1/0x610 [ 24.755066] ? __virt_addr_valid+0x1db/0x2d0 [ 24.755096] ? mempool_oob_right_helper+0x318/0x380 [ 24.755123] ? kasan_addr_to_slab+0x11/0xa0 [ 24.755146] ? mempool_oob_right_helper+0x318/0x380 [ 24.755171] kasan_report+0x141/0x180 [ 24.755194] ? mempool_oob_right_helper+0x318/0x380 [ 24.755224] __asan_report_load1_noabort+0x18/0x20 [ 24.755249] mempool_oob_right_helper+0x318/0x380 [ 24.755275] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 24.755315] ? dequeue_entities+0x23f/0x1630 [ 24.755344] ? __pfx_sched_clock_cpu+0x10/0x10 [ 24.755369] ? finish_task_switch.isra.0+0x153/0x700 [ 24.755397] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 24.755424] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 24.755455] ? __pfx_mempool_kmalloc+0x10/0x10 [ 24.755483] ? __pfx_mempool_kfree+0x10/0x10 [ 24.755510] ? __pfx_read_tsc+0x10/0x10 [ 24.755537] ? ktime_get_ts64+0x86/0x230 [ 24.755565] kunit_try_run_case+0x1a5/0x480 [ 24.755605] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.755628] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.755655] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.755681] ? __kthread_parkme+0x82/0x180 [ 24.755705] ? preempt_count_sub+0x50/0x80 [ 24.755730] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.755756] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.755785] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.755813] kthread+0x337/0x6f0 [ 24.755834] ? trace_preempt_on+0x20/0xc0 [ 24.755862] ? __pfx_kthread+0x10/0x10 [ 24.755884] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.755908] ? calculate_sigpending+0x7b/0xa0 [ 24.755935] ? __pfx_kthread+0x10/0x10 [ 24.755958] ret_from_fork+0x116/0x1d0 [ 24.755980] ? __pfx_kthread+0x10/0x10 [ 24.756002] ret_from_fork_asm+0x1a/0x30 [ 24.756038] </TASK> [ 24.756051] [ 24.764438] The buggy address belongs to the physical page: [ 24.764835] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1060fc [ 24.765265] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 24.765642] flags: 0x200000000000040(head|node=0|zone=2) [ 24.765869] page_type: f8(unknown) [ 24.766040] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 24.766356] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 24.766719] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 24.766946] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 24.767171] head: 0200000000000002 ffffea0004183f01 00000000ffffffff 00000000ffffffff [ 24.767509] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 24.767840] page dumped because: kasan: bad access detected [ 24.768095] [ 24.768184] Memory state around the buggy address: [ 24.768414] ffff8881060fdf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.768759] ffff8881060fdf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.769170] >ffff8881060fe000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 24.769462] ^ [ 24.769592] ffff8881060fe080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 24.769980] ffff8881060fe100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 24.770254] ================================================================== [ 24.775519] ================================================================== [ 24.776021] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 24.776367] Read of size 1 at addr ffff8881053b82bb by task kunit_try_catch/274 [ 24.776762] [ 24.776886] CPU: 0 UID: 0 PID: 274 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT(voluntary) [ 24.776941] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.776954] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.776977] Call Trace: [ 24.776993] <TASK> [ 24.777013] dump_stack_lvl+0x73/0xb0 [ 24.777045] print_report+0xd1/0x610 [ 24.777069] ? __virt_addr_valid+0x1db/0x2d0 [ 24.777095] ? mempool_oob_right_helper+0x318/0x380 [ 24.777118] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.777144] ? mempool_oob_right_helper+0x318/0x380 [ 24.777167] kasan_report+0x141/0x180 [ 24.777188] ? mempool_oob_right_helper+0x318/0x380 [ 24.777217] __asan_report_load1_noabort+0x18/0x20 [ 24.777240] mempool_oob_right_helper+0x318/0x380 [ 24.777264] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 24.777300] ? __pfx_sched_clock_cpu+0x10/0x10 [ 24.777323] ? finish_task_switch.isra.0+0x153/0x700 [ 24.777347] mempool_slab_oob_right+0xed/0x140 [ 24.777371] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 24.777396] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 24.777421] ? __pfx_mempool_free_slab+0x10/0x10 [ 24.777447] ? __pfx_read_tsc+0x10/0x10 [ 24.777469] ? ktime_get_ts64+0x86/0x230 [ 24.777494] kunit_try_run_case+0x1a5/0x480 [ 24.777519] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.777541] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.777565] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.777594] ? __kthread_parkme+0x82/0x180 [ 24.777615] ? preempt_count_sub+0x50/0x80 [ 24.777636] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.777661] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.777688] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.777714] kthread+0x337/0x6f0 [ 24.777743] ? trace_preempt_on+0x20/0xc0 [ 24.777768] ? __pfx_kthread+0x10/0x10 [ 24.777788] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.777808] ? calculate_sigpending+0x7b/0xa0 [ 24.777833] ? __pfx_kthread+0x10/0x10 [ 24.777855] ret_from_fork+0x116/0x1d0 [ 24.777894] ? __pfx_kthread+0x10/0x10 [ 24.777915] ret_from_fork_asm+0x1a/0x30 [ 24.777947] </TASK> [ 24.777958] [ 24.785947] Allocated by task 274: [ 24.786144] kasan_save_stack+0x45/0x70 [ 24.786341] kasan_save_track+0x18/0x40 [ 24.786492] kasan_save_alloc_info+0x3b/0x50 [ 24.786698] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 24.786866] remove_element+0x11e/0x190 [ 24.786998] mempool_alloc_preallocated+0x4d/0x90 [ 24.787274] mempool_oob_right_helper+0x8a/0x380 [ 24.787505] mempool_slab_oob_right+0xed/0x140 [ 24.787792] kunit_try_run_case+0x1a5/0x480 [ 24.787934] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.788105] kthread+0x337/0x6f0 [ 24.788220] ret_from_fork+0x116/0x1d0 [ 24.788356] ret_from_fork_asm+0x1a/0x30 [ 24.788529] [ 24.788617] The buggy address belongs to the object at ffff8881053b8240 [ 24.788617] which belongs to the cache test_cache of size 123 [ 24.789137] The buggy address is located 0 bytes to the right of [ 24.789137] allocated 123-byte region [ffff8881053b8240, ffff8881053b82bb) [ 24.789848] [ 24.792296] The buggy address belongs to the physical page: [ 24.792520] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1053b8 [ 24.792868] flags: 0x200000000000000(node=0|zone=2) [ 24.793066] page_type: f5(slab) [ 24.793224] raw: 0200000000000000 ffff888101a65dc0 dead000000000122 0000000000000000 [ 24.793528] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 24.794134] page dumped because: kasan: bad access detected [ 24.794380] [ 24.794446] Memory state around the buggy address: [ 24.794680] ffff8881053b8180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 24.794976] ffff8881053b8200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 24.795250] >ffff8881053b8280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 24.795545] ^ [ 24.795871] ffff8881053b8300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.796255] ffff8881053b8380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.796561] ================================================================== [ 24.724658] ================================================================== [ 24.725237] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 24.725576] Read of size 1 at addr ffff88810539fe73 by task kunit_try_catch/270 [ 24.726414] [ 24.726525] CPU: 0 UID: 0 PID: 270 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT(voluntary) [ 24.726586] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.726600] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.726624] Call Trace: [ 24.726639] <TASK> [ 24.726662] dump_stack_lvl+0x73/0xb0 [ 24.726698] print_report+0xd1/0x610 [ 24.726723] ? __virt_addr_valid+0x1db/0x2d0 [ 24.726750] ? mempool_oob_right_helper+0x318/0x380 [ 24.726772] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.726798] ? mempool_oob_right_helper+0x318/0x380 [ 24.726821] kasan_report+0x141/0x180 [ 24.726843] ? mempool_oob_right_helper+0x318/0x380 [ 24.726870] __asan_report_load1_noabort+0x18/0x20 [ 24.726894] mempool_oob_right_helper+0x318/0x380 [ 24.726918] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 24.726945] ? finish_task_switch.isra.0+0x153/0x700 [ 24.726971] mempool_kmalloc_oob_right+0xf2/0x150 [ 24.726994] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 24.727020] ? __pfx_mempool_kmalloc+0x10/0x10 [ 24.727047] ? __pfx_mempool_kfree+0x10/0x10 [ 24.727072] ? __pfx_read_tsc+0x10/0x10 [ 24.727094] ? ktime_get_ts64+0x86/0x230 [ 24.727120] kunit_try_run_case+0x1a5/0x480 [ 24.727147] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.727168] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.727192] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.727214] ? __kthread_parkme+0x82/0x180 [ 24.727235] ? preempt_count_sub+0x50/0x80 [ 24.727257] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.727279] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.727515] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.727550] kthread+0x337/0x6f0 [ 24.727573] ? trace_preempt_on+0x20/0xc0 [ 24.727598] ? __pfx_kthread+0x10/0x10 [ 24.727618] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.727639] ? calculate_sigpending+0x7b/0xa0 [ 24.727665] ? __pfx_kthread+0x10/0x10 [ 24.727687] ret_from_fork+0x116/0x1d0 [ 24.727707] ? __pfx_kthread+0x10/0x10 [ 24.727727] ret_from_fork_asm+0x1a/0x30 [ 24.727760] </TASK> [ 24.727772] [ 24.738753] Allocated by task 270: [ 24.738954] kasan_save_stack+0x45/0x70 [ 24.739278] kasan_save_track+0x18/0x40 [ 24.739467] kasan_save_alloc_info+0x3b/0x50 [ 24.739701] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 24.740232] remove_element+0x11e/0x190 [ 24.740397] mempool_alloc_preallocated+0x4d/0x90 [ 24.740556] mempool_oob_right_helper+0x8a/0x380 [ 24.740879] mempool_kmalloc_oob_right+0xf2/0x150 [ 24.741191] kunit_try_run_case+0x1a5/0x480 [ 24.741428] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.741784] kthread+0x337/0x6f0 [ 24.742081] ret_from_fork+0x116/0x1d0 [ 24.742280] ret_from_fork_asm+0x1a/0x30 [ 24.742472] [ 24.742566] The buggy address belongs to the object at ffff88810539fe00 [ 24.742566] which belongs to the cache kmalloc-128 of size 128 [ 24.742968] The buggy address is located 0 bytes to the right of [ 24.742968] allocated 115-byte region [ffff88810539fe00, ffff88810539fe73) [ 24.743785] [ 24.743939] The buggy address belongs to the physical page: [ 24.744158] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10539f [ 24.744727] flags: 0x200000000000000(node=0|zone=2) [ 24.745048] page_type: f5(slab) [ 24.745244] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 24.745565] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.745863] page dumped because: kasan: bad access detected [ 24.746027] [ 24.746185] Memory state around the buggy address: [ 24.746456] ffff88810539fd00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 24.746793] ffff88810539fd80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.747180] >ffff88810539fe00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 24.747422] ^ [ 24.747862] ffff88810539fe80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.748363] ffff88810539ff00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 24.748763] ==================================================================