Date
July 3, 2025, 3:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.821545] ================================================================== [ 15.821595] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x690/0x740 [ 15.821685] Read of size 1 at addr fff00000c781167f by task kunit_try_catch/197 [ 15.821737] [ 15.821766] CPU: 1 UID: 0 PID: 197 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT [ 15.821848] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.821913] Hardware name: linux,dummy-virt (DT) [ 15.821943] Call trace: [ 15.821978] show_stack+0x20/0x38 (C) [ 15.822024] dump_stack_lvl+0x8c/0xd0 [ 15.822075] print_report+0x118/0x608 [ 15.822119] kasan_report+0xdc/0x128 [ 15.822164] __asan_report_load1_noabort+0x20/0x30 [ 15.822212] ksize_unpoisons_memory+0x690/0x740 [ 15.822265] kunit_try_run_case+0x170/0x3f0 [ 15.822322] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.822385] kthread+0x328/0x630 [ 15.822441] ret_from_fork+0x10/0x20 [ 15.822486] [ 15.822512] Allocated by task 197: [ 15.822541] kasan_save_stack+0x3c/0x68 [ 15.822577] kasan_save_track+0x20/0x40 [ 15.822621] kasan_save_alloc_info+0x40/0x58 [ 15.822666] __kasan_kmalloc+0xd4/0xd8 [ 15.822710] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.822747] ksize_unpoisons_memory+0xc0/0x740 [ 15.822786] kunit_try_run_case+0x170/0x3f0 [ 15.822824] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.822867] kthread+0x328/0x630 [ 15.822900] ret_from_fork+0x10/0x20 [ 15.822933] [ 15.823387] The buggy address belongs to the object at fff00000c7811600 [ 15.823387] which belongs to the cache kmalloc-128 of size 128 [ 15.823763] The buggy address is located 12 bytes to the right of [ 15.823763] allocated 115-byte region [fff00000c7811600, fff00000c7811673) [ 15.823879] [ 15.824037] The buggy address belongs to the physical page: [ 15.824357] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107811 [ 15.824445] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.824700] page_type: f5(slab) [ 15.824808] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.824942] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.825057] page dumped because: kasan: bad access detected [ 15.825125] [ 15.825144] Memory state around the buggy address: [ 15.825428] fff00000c7811500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.825673] fff00000c7811580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.825767] >fff00000c7811600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 15.825920] ^ [ 15.826006] fff00000c7811680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.826341] fff00000c7811700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.826497] ================================================================== [ 15.803291] ================================================================== [ 15.803354] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x628/0x740 [ 15.803534] Read of size 1 at addr fff00000c7811673 by task kunit_try_catch/197 [ 15.803585] [ 15.803663] CPU: 1 UID: 0 PID: 197 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT [ 15.803784] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.803989] Hardware name: linux,dummy-virt (DT) [ 15.804137] Call trace: [ 15.804250] show_stack+0x20/0x38 (C) [ 15.804321] dump_stack_lvl+0x8c/0xd0 [ 15.804440] print_report+0x118/0x608 [ 15.804535] kasan_report+0xdc/0x128 [ 15.804582] __asan_report_load1_noabort+0x20/0x30 [ 15.804836] ksize_unpoisons_memory+0x628/0x740 [ 15.804908] kunit_try_run_case+0x170/0x3f0 [ 15.804968] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.805022] kthread+0x328/0x630 [ 15.805217] ret_from_fork+0x10/0x20 [ 15.805280] [ 15.805297] Allocated by task 197: [ 15.805355] kasan_save_stack+0x3c/0x68 [ 15.805732] kasan_save_track+0x20/0x40 [ 15.805896] kasan_save_alloc_info+0x40/0x58 [ 15.805940] __kasan_kmalloc+0xd4/0xd8 [ 15.806006] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.806140] ksize_unpoisons_memory+0xc0/0x740 [ 15.806271] kunit_try_run_case+0x170/0x3f0 [ 15.806482] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.806752] kthread+0x328/0x630 [ 15.806814] ret_from_fork+0x10/0x20 [ 15.807549] [ 15.807620] The buggy address belongs to the object at fff00000c7811600 [ 15.807620] which belongs to the cache kmalloc-128 of size 128 [ 15.807726] The buggy address is located 0 bytes to the right of [ 15.807726] allocated 115-byte region [fff00000c7811600, fff00000c7811673) [ 15.807866] [ 15.807887] The buggy address belongs to the physical page: [ 15.808133] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107811 [ 15.808254] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.808514] page_type: f5(slab) [ 15.808564] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.808729] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.809447] page dumped because: kasan: bad access detected [ 15.809534] [ 15.809636] Memory state around the buggy address: [ 15.809734] fff00000c7811500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.810059] fff00000c7811580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.810351] >fff00000c7811600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 15.810591] ^ [ 15.810667] fff00000c7811680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.810722] fff00000c7811700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.810759] ================================================================== [ 15.812357] ================================================================== [ 15.812657] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x618/0x740 [ 15.812726] Read of size 1 at addr fff00000c7811678 by task kunit_try_catch/197 [ 15.812934] [ 15.813098] CPU: 1 UID: 0 PID: 197 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT [ 15.813191] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.813415] Hardware name: linux,dummy-virt (DT) [ 15.813616] Call trace: [ 15.813652] show_stack+0x20/0x38 (C) [ 15.813728] dump_stack_lvl+0x8c/0xd0 [ 15.813778] print_report+0x118/0x608 [ 15.813822] kasan_report+0xdc/0x128 [ 15.813864] __asan_report_load1_noabort+0x20/0x30 [ 15.813913] ksize_unpoisons_memory+0x618/0x740 [ 15.813987] kunit_try_run_case+0x170/0x3f0 [ 15.814035] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.814088] kthread+0x328/0x630 [ 15.814132] ret_from_fork+0x10/0x20 [ 15.814384] [ 15.814583] Allocated by task 197: [ 15.815267] kasan_save_stack+0x3c/0x68 [ 15.815448] kasan_save_track+0x20/0x40 [ 15.815487] kasan_save_alloc_info+0x40/0x58 [ 15.815559] __kasan_kmalloc+0xd4/0xd8 [ 15.815983] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.816083] ksize_unpoisons_memory+0xc0/0x740 [ 15.816185] kunit_try_run_case+0x170/0x3f0 [ 15.816471] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.816641] kthread+0x328/0x630 [ 15.816970] ret_from_fork+0x10/0x20 [ 15.817108] [ 15.817198] The buggy address belongs to the object at fff00000c7811600 [ 15.817198] which belongs to the cache kmalloc-128 of size 128 [ 15.817328] The buggy address is located 5 bytes to the right of [ 15.817328] allocated 115-byte region [fff00000c7811600, fff00000c7811673) [ 15.817682] [ 15.817821] The buggy address belongs to the physical page: [ 15.818049] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107811 [ 15.818298] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.818677] page_type: f5(slab) [ 15.818879] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.819204] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.819279] page dumped because: kasan: bad access detected [ 15.819422] [ 15.819442] Memory state around the buggy address: [ 15.819661] fff00000c7811500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.819756] fff00000c7811580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.820092] >fff00000c7811600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 15.820177] ^ [ 15.820325] fff00000c7811680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.820416] fff00000c7811700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.820573] ==================================================================
[ 11.621249] ================================================================== [ 11.621871] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x7b6/0x9b0 [ 11.622198] Read of size 1 at addr ffff888103138f7f by task kunit_try_catch/213 [ 11.622632] [ 11.622744] CPU: 0 UID: 0 PID: 213 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT(voluntary) [ 11.622788] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.622799] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.622818] Call Trace: [ 11.622830] <TASK> [ 11.622844] dump_stack_lvl+0x73/0xb0 [ 11.622869] print_report+0xd1/0x650 [ 11.622891] ? __virt_addr_valid+0x1db/0x2d0 [ 11.622912] ? ksize_unpoisons_memory+0x7b6/0x9b0 [ 11.622931] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.622953] ? ksize_unpoisons_memory+0x7b6/0x9b0 [ 11.622973] kasan_report+0x141/0x180 [ 11.622995] ? ksize_unpoisons_memory+0x7b6/0x9b0 [ 11.623020] __asan_report_load1_noabort+0x18/0x20 [ 11.623040] ksize_unpoisons_memory+0x7b6/0x9b0 [ 11.623060] ? __pfx_ksize_unpoisons_memory+0x10/0x10 [ 11.623079] ? finish_task_switch.isra.0+0x153/0x700 [ 11.623102] ? __switch_to+0x5d9/0xf60 [ 11.623122] ? dequeue_task_fair+0x166/0x4e0 [ 11.623146] ? __schedule+0x10cc/0x2b60 [ 11.623168] ? __pfx_read_tsc+0x10/0x10 [ 11.623187] ? ktime_get_ts64+0x86/0x230 [ 11.623212] kunit_try_run_case+0x1a5/0x480 [ 11.623249] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.623271] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.623294] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.623317] ? __kthread_parkme+0x82/0x180 [ 11.623338] ? preempt_count_sub+0x50/0x80 [ 11.623362] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.623385] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.623408] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.623431] kthread+0x337/0x6f0 [ 11.623448] ? trace_preempt_on+0x20/0xc0 [ 11.623470] ? __pfx_kthread+0x10/0x10 [ 11.623488] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.623509] ? calculate_sigpending+0x7b/0xa0 [ 11.623530] ? __pfx_kthread+0x10/0x10 [ 11.623548] ret_from_fork+0x41/0x80 [ 11.623568] ? __pfx_kthread+0x10/0x10 [ 11.623586] ret_from_fork_asm+0x1a/0x30 [ 11.623615] </TASK> [ 11.623624] [ 11.631705] Allocated by task 213: [ 11.631905] kasan_save_stack+0x45/0x70 [ 11.632057] kasan_save_track+0x18/0x40 [ 11.632190] kasan_save_alloc_info+0x3b/0x50 [ 11.632347] __kasan_kmalloc+0xb7/0xc0 [ 11.632479] __kmalloc_cache_noprof+0x189/0x420 [ 11.632628] ksize_unpoisons_memory+0xc7/0x9b0 [ 11.632909] kunit_try_run_case+0x1a5/0x480 [ 11.633114] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.633521] kthread+0x337/0x6f0 [ 11.633742] ret_from_fork+0x41/0x80 [ 11.633927] ret_from_fork_asm+0x1a/0x30 [ 11.634125] [ 11.634222] The buggy address belongs to the object at ffff888103138f00 [ 11.634222] which belongs to the cache kmalloc-128 of size 128 [ 11.634753] The buggy address is located 12 bytes to the right of [ 11.634753] allocated 115-byte region [ffff888103138f00, ffff888103138f73) [ 11.635392] [ 11.635488] The buggy address belongs to the physical page: [ 11.635742] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103138 [ 11.636045] flags: 0x200000000000000(node=0|zone=2) [ 11.636228] page_type: f5(slab) [ 11.636594] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.636927] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.637159] page dumped because: kasan: bad access detected [ 11.637345] [ 11.637416] Memory state around the buggy address: [ 11.637577] ffff888103138e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.638153] ffff888103138e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.638486] >ffff888103138f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 11.638804] ^ [ 11.639118] ffff888103138f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.639569] ffff888103139000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.639920] ================================================================== [ 11.582724] ================================================================== [ 11.583193] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x81c/0x9b0 [ 11.583608] Read of size 1 at addr ffff888103138f73 by task kunit_try_catch/213 [ 11.583917] [ 11.584039] CPU: 0 UID: 0 PID: 213 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT(voluntary) [ 11.584084] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.584095] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.584117] Call Trace: [ 11.584128] <TASK> [ 11.584143] dump_stack_lvl+0x73/0xb0 [ 11.584167] print_report+0xd1/0x650 [ 11.584190] ? __virt_addr_valid+0x1db/0x2d0 [ 11.584211] ? ksize_unpoisons_memory+0x81c/0x9b0 [ 11.584230] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.584265] ? ksize_unpoisons_memory+0x81c/0x9b0 [ 11.584285] kasan_report+0x141/0x180 [ 11.584308] ? ksize_unpoisons_memory+0x81c/0x9b0 [ 11.584377] __asan_report_load1_noabort+0x18/0x20 [ 11.584402] ksize_unpoisons_memory+0x81c/0x9b0 [ 11.584423] ? __pfx_ksize_unpoisons_memory+0x10/0x10 [ 11.584443] ? finish_task_switch.isra.0+0x153/0x700 [ 11.584466] ? __switch_to+0x5d9/0xf60 [ 11.584488] ? dequeue_task_fair+0x166/0x4e0 [ 11.584512] ? __schedule+0x10cc/0x2b60 [ 11.584535] ? __pfx_read_tsc+0x10/0x10 [ 11.584554] ? ktime_get_ts64+0x86/0x230 [ 11.584578] kunit_try_run_case+0x1a5/0x480 [ 11.584601] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.584623] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.584646] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.584682] ? __kthread_parkme+0x82/0x180 [ 11.584704] ? preempt_count_sub+0x50/0x80 [ 11.584728] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.584751] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.584774] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.584796] kthread+0x337/0x6f0 [ 11.584813] ? trace_preempt_on+0x20/0xc0 [ 11.584836] ? __pfx_kthread+0x10/0x10 [ 11.584854] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.584875] ? calculate_sigpending+0x7b/0xa0 [ 11.584897] ? __pfx_kthread+0x10/0x10 [ 11.584915] ret_from_fork+0x41/0x80 [ 11.584935] ? __pfx_kthread+0x10/0x10 [ 11.584952] ret_from_fork_asm+0x1a/0x30 [ 11.584982] </TASK> [ 11.584992] [ 11.592645] Allocated by task 213: [ 11.592834] kasan_save_stack+0x45/0x70 [ 11.593032] kasan_save_track+0x18/0x40 [ 11.593196] kasan_save_alloc_info+0x3b/0x50 [ 11.593495] __kasan_kmalloc+0xb7/0xc0 [ 11.593680] __kmalloc_cache_noprof+0x189/0x420 [ 11.593869] ksize_unpoisons_memory+0xc7/0x9b0 [ 11.594079] kunit_try_run_case+0x1a5/0x480 [ 11.594273] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.594511] kthread+0x337/0x6f0 [ 11.594678] ret_from_fork+0x41/0x80 [ 11.594831] ret_from_fork_asm+0x1a/0x30 [ 11.595010] [ 11.595101] The buggy address belongs to the object at ffff888103138f00 [ 11.595101] which belongs to the cache kmalloc-128 of size 128 [ 11.595564] The buggy address is located 0 bytes to the right of [ 11.595564] allocated 115-byte region [ffff888103138f00, ffff888103138f73) [ 11.596250] [ 11.596457] The buggy address belongs to the physical page: [ 11.596710] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103138 [ 11.596951] flags: 0x200000000000000(node=0|zone=2) [ 11.597114] page_type: f5(slab) [ 11.597245] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.597635] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.598217] page dumped because: kasan: bad access detected [ 11.598510] [ 11.598581] Memory state around the buggy address: [ 11.598735] ffff888103138e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.598946] ffff888103138e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.599157] >ffff888103138f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 11.599784] ^ [ 11.600102] ffff888103138f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.600441] ffff888103139000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.600809] ================================================================== [ 11.601471] ================================================================== [ 11.601829] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x7e9/0x9b0 [ 11.602164] Read of size 1 at addr ffff888103138f78 by task kunit_try_catch/213 [ 11.602548] [ 11.602659] CPU: 0 UID: 0 PID: 213 Comm: kunit_try_catch Tainted: G B N 6.15.5-rc1 #1 PREEMPT(voluntary) [ 11.602700] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.602711] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.602730] Call Trace: [ 11.602743] <TASK> [ 11.602757] dump_stack_lvl+0x73/0xb0 [ 11.602780] print_report+0xd1/0x650 [ 11.602801] ? __virt_addr_valid+0x1db/0x2d0 [ 11.602822] ? ksize_unpoisons_memory+0x7e9/0x9b0 [ 11.602841] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.602863] ? ksize_unpoisons_memory+0x7e9/0x9b0 [ 11.602883] kasan_report+0x141/0x180 [ 11.602906] ? ksize_unpoisons_memory+0x7e9/0x9b0 [ 11.602930] __asan_report_load1_noabort+0x18/0x20 [ 11.602951] ksize_unpoisons_memory+0x7e9/0x9b0 [ 11.602971] ? __pfx_ksize_unpoisons_memory+0x10/0x10 [ 11.602991] ? finish_task_switch.isra.0+0x153/0x700 [ 11.603013] ? __switch_to+0x5d9/0xf60 [ 11.603033] ? dequeue_task_fair+0x166/0x4e0 [ 11.603056] ? __schedule+0x10cc/0x2b60 [ 11.603079] ? __pfx_read_tsc+0x10/0x10 [ 11.603098] ? ktime_get_ts64+0x86/0x230 [ 11.603122] kunit_try_run_case+0x1a5/0x480 [ 11.603146] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.603167] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.603231] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.603265] ? __kthread_parkme+0x82/0x180 [ 11.603286] ? preempt_count_sub+0x50/0x80 [ 11.603311] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.603334] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.603356] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.603379] kthread+0x337/0x6f0 [ 11.603396] ? trace_preempt_on+0x20/0xc0 [ 11.603418] ? __pfx_kthread+0x10/0x10 [ 11.603436] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.603457] ? calculate_sigpending+0x7b/0xa0 [ 11.603479] ? __pfx_kthread+0x10/0x10 [ 11.603720] ret_from_fork+0x41/0x80 [ 11.603752] ? __pfx_kthread+0x10/0x10 [ 11.603770] ret_from_fork_asm+0x1a/0x30 [ 11.603800] </TASK> [ 11.603810] [ 11.611922] Allocated by task 213: [ 11.612113] kasan_save_stack+0x45/0x70 [ 11.612508] kasan_save_track+0x18/0x40 [ 11.612769] kasan_save_alloc_info+0x3b/0x50 [ 11.612980] __kasan_kmalloc+0xb7/0xc0 [ 11.613145] __kmalloc_cache_noprof+0x189/0x420 [ 11.613449] ksize_unpoisons_memory+0xc7/0x9b0 [ 11.613614] kunit_try_run_case+0x1a5/0x480 [ 11.613804] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.614058] kthread+0x337/0x6f0 [ 11.614218] ret_from_fork+0x41/0x80 [ 11.614438] ret_from_fork_asm+0x1a/0x30 [ 11.614688] [ 11.614785] The buggy address belongs to the object at ffff888103138f00 [ 11.614785] which belongs to the cache kmalloc-128 of size 128 [ 11.615257] The buggy address is located 5 bytes to the right of [ 11.615257] allocated 115-byte region [ffff888103138f00, ffff888103138f73) [ 11.615748] [ 11.615847] The buggy address belongs to the physical page: [ 11.616071] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103138 [ 11.616472] flags: 0x200000000000000(node=0|zone=2) [ 11.616640] page_type: f5(slab) [ 11.616790] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.617155] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.617487] page dumped because: kasan: bad access detected [ 11.617742] [ 11.617812] Memory state around the buggy address: [ 11.617967] ffff888103138e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.618186] ffff888103138e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.618901] >ffff888103138f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 11.619231] ^ [ 11.619903] ffff888103138f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.620123] ffff888103139000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.620687] ==================================================================