Date
May 29, 2025, 7:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.036669] ================================================================== [ 22.036865] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x628/0x740 [ 22.037031] Read of size 1 at addr fff00000c5d6ef73 by task kunit_try_catch/194 [ 22.037156] [ 22.037248] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT [ 22.038534] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.038807] Hardware name: linux,dummy-virt (DT) [ 22.038975] Call trace: [ 22.039037] show_stack+0x20/0x38 (C) [ 22.039198] dump_stack_lvl+0x8c/0xd0 [ 22.039304] print_report+0x118/0x608 [ 22.039674] kasan_report+0xdc/0x128 [ 22.039913] __asan_report_load1_noabort+0x20/0x30 [ 22.040121] ksize_unpoisons_memory+0x628/0x740 [ 22.040458] kunit_try_run_case+0x170/0x3f0 [ 22.040716] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.041093] kthread+0x328/0x630 [ 22.041297] ret_from_fork+0x10/0x20 [ 22.041433] [ 22.041869] Allocated by task 194: [ 22.042452] kasan_save_stack+0x3c/0x68 [ 22.042673] kasan_save_track+0x20/0x40 [ 22.042762] kasan_save_alloc_info+0x40/0x58 [ 22.042923] __kasan_kmalloc+0xd4/0xd8 [ 22.043173] __kmalloc_cache_noprof+0x15c/0x3c0 [ 22.043408] ksize_unpoisons_memory+0xc0/0x740 [ 22.043615] kunit_try_run_case+0x170/0x3f0 [ 22.043776] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.043873] kthread+0x328/0x630 [ 22.043938] ret_from_fork+0x10/0x20 [ 22.044320] [ 22.044462] The buggy address belongs to the object at fff00000c5d6ef00 [ 22.044462] which belongs to the cache kmalloc-128 of size 128 [ 22.044756] The buggy address is located 0 bytes to the right of [ 22.044756] allocated 115-byte region [fff00000c5d6ef00, fff00000c5d6ef73) [ 22.044939] [ 22.045068] The buggy address belongs to the physical page: [ 22.045159] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105d6e [ 22.045312] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.045445] page_type: f5(slab) [ 22.045967] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 22.046149] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.046388] page dumped because: kasan: bad access detected [ 22.046573] [ 22.046875] Memory state around the buggy address: [ 22.046969] fff00000c5d6ee00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.047080] fff00000c5d6ee80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.047266] >fff00000c5d6ef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 22.047551] ^ [ 22.047789] fff00000c5d6ef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.047955] fff00000c5d6f000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.048057] ================================================================== [ 22.051619] ================================================================== [ 22.051743] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x618/0x740 [ 22.051886] Read of size 1 at addr fff00000c5d6ef78 by task kunit_try_catch/194 [ 22.052009] [ 22.052093] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT [ 22.052302] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.052369] Hardware name: linux,dummy-virt (DT) [ 22.052926] Call trace: [ 22.054474] show_stack+0x20/0x38 (C) [ 22.054691] dump_stack_lvl+0x8c/0xd0 [ 22.054892] print_report+0x118/0x608 [ 22.055022] kasan_report+0xdc/0x128 [ 22.055150] __asan_report_load1_noabort+0x20/0x30 [ 22.055426] ksize_unpoisons_memory+0x618/0x740 [ 22.055685] kunit_try_run_case+0x170/0x3f0 [ 22.055925] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.056049] kthread+0x328/0x630 [ 22.056134] ret_from_fork+0x10/0x20 [ 22.056242] [ 22.056285] Allocated by task 194: [ 22.056888] kasan_save_stack+0x3c/0x68 [ 22.057111] kasan_save_track+0x20/0x40 [ 22.057217] kasan_save_alloc_info+0x40/0x58 [ 22.057324] __kasan_kmalloc+0xd4/0xd8 [ 22.057429] __kmalloc_cache_noprof+0x15c/0x3c0 [ 22.057530] ksize_unpoisons_memory+0xc0/0x740 [ 22.057629] kunit_try_run_case+0x170/0x3f0 [ 22.057793] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.058024] kthread+0x328/0x630 [ 22.058122] ret_from_fork+0x10/0x20 [ 22.058275] [ 22.058660] The buggy address belongs to the object at fff00000c5d6ef00 [ 22.058660] which belongs to the cache kmalloc-128 of size 128 [ 22.058921] The buggy address is located 5 bytes to the right of [ 22.058921] allocated 115-byte region [fff00000c5d6ef00, fff00000c5d6ef73) [ 22.059141] [ 22.059314] The buggy address belongs to the physical page: [ 22.059393] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105d6e [ 22.059678] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.059949] page_type: f5(slab) [ 22.060062] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 22.060193] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.060290] page dumped because: kasan: bad access detected [ 22.060372] [ 22.061169] Memory state around the buggy address: [ 22.061493] fff00000c5d6ee00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.061621] fff00000c5d6ee80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.061744] >fff00000c5d6ef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 22.061843] ^ [ 22.062423] fff00000c5d6ef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.062599] fff00000c5d6f000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.062707] ================================================================== [ 22.066086] ================================================================== [ 22.066225] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x690/0x740 [ 22.066715] Read of size 1 at addr fff00000c5d6ef7f by task kunit_try_catch/194 [ 22.066874] [ 22.066958] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT [ 22.067138] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.067201] Hardware name: linux,dummy-virt (DT) [ 22.067278] Call trace: [ 22.067855] show_stack+0x20/0x38 (C) [ 22.068019] dump_stack_lvl+0x8c/0xd0 [ 22.068200] print_report+0x118/0x608 [ 22.068320] kasan_report+0xdc/0x128 [ 22.068773] __asan_report_load1_noabort+0x20/0x30 [ 22.068949] ksize_unpoisons_memory+0x690/0x740 [ 22.069455] kunit_try_run_case+0x170/0x3f0 [ 22.069778] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.070024] kthread+0x328/0x630 [ 22.071582] ret_from_fork+0x10/0x20 [ 22.071723] [ 22.071749] Allocated by task 194: [ 22.071784] kasan_save_stack+0x3c/0x68 [ 22.071841] kasan_save_track+0x20/0x40 [ 22.071884] kasan_save_alloc_info+0x40/0x58 [ 22.071925] __kasan_kmalloc+0xd4/0xd8 [ 22.071969] __kmalloc_cache_noprof+0x15c/0x3c0 [ 22.072015] ksize_unpoisons_memory+0xc0/0x740 [ 22.072058] kunit_try_run_case+0x170/0x3f0 [ 22.072103] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.072150] kthread+0x328/0x630 [ 22.072188] ret_from_fork+0x10/0x20 [ 22.072229] [ 22.072255] The buggy address belongs to the object at fff00000c5d6ef00 [ 22.072255] which belongs to the cache kmalloc-128 of size 128 [ 22.072321] The buggy address is located 12 bytes to the right of [ 22.072321] allocated 115-byte region [fff00000c5d6ef00, fff00000c5d6ef73) [ 22.072393] [ 22.072442] The buggy address belongs to the physical page: [ 22.072480] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105d6e [ 22.072542] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.072601] page_type: f5(slab) [ 22.072651] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 22.072708] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.072754] page dumped because: kasan: bad access detected [ 22.072790] [ 22.072810] Memory state around the buggy address: [ 22.072849] fff00000c5d6ee00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.072898] fff00000c5d6ee80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.072946] >fff00000c5d6ef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 22.072989] ^ [ 22.073035] fff00000c5d6ef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.073080] fff00000c5d6f000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.073123] ==================================================================
[ 11.301548] ================================================================== [ 11.302251] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x7b6/0x9b0 [ 11.302584] Read of size 1 at addr ffff888102f9617f by task kunit_try_catch/211 [ 11.303065] [ 11.303164] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT(voluntary) [ 11.303209] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.303221] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.303241] Call Trace: [ 11.303255] <TASK> [ 11.303270] dump_stack_lvl+0x73/0xb0 [ 11.303295] print_report+0xd1/0x650 [ 11.303318] ? __virt_addr_valid+0x1db/0x2d0 [ 11.303539] ? ksize_unpoisons_memory+0x7b6/0x9b0 [ 11.303563] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.303585] ? ksize_unpoisons_memory+0x7b6/0x9b0 [ 11.303620] kasan_report+0x141/0x180 [ 11.303643] ? ksize_unpoisons_memory+0x7b6/0x9b0 [ 11.303671] __asan_report_load1_noabort+0x18/0x20 [ 11.303691] ksize_unpoisons_memory+0x7b6/0x9b0 [ 11.303715] ? __pfx_ksize_unpoisons_memory+0x10/0x10 [ 11.303738] ? finish_task_switch.isra.0+0x153/0x700 [ 11.303823] ? __switch_to+0x47/0xf50 [ 11.303848] ? __schedule+0x10cc/0x2b60 [ 11.303871] ? __pfx_read_tsc+0x10/0x10 [ 11.303893] ? ktime_get_ts64+0x86/0x230 [ 11.303917] kunit_try_run_case+0x1a5/0x480 [ 11.303939] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.303959] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.303982] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.304006] ? __kthread_parkme+0x82/0x180 [ 11.304027] ? preempt_count_sub+0x50/0x80 [ 11.304049] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.304070] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.304093] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.304118] kthread+0x337/0x6f0 [ 11.304137] ? trace_preempt_on+0x20/0xc0 [ 11.304159] ? __pfx_kthread+0x10/0x10 [ 11.304180] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.304202] ? calculate_sigpending+0x7b/0xa0 [ 11.304225] ? __pfx_kthread+0x10/0x10 [ 11.304246] ret_from_fork+0x116/0x1d0 [ 11.304264] ? __pfx_kthread+0x10/0x10 [ 11.304285] ret_from_fork_asm+0x1a/0x30 [ 11.304315] </TASK> [ 11.304325] [ 11.314687] Allocated by task 211: [ 11.315157] kasan_save_stack+0x45/0x70 [ 11.315353] kasan_save_track+0x18/0x40 [ 11.315551] kasan_save_alloc_info+0x3b/0x50 [ 11.315760] __kasan_kmalloc+0xb7/0xc0 [ 11.316205] __kmalloc_cache_noprof+0x189/0x420 [ 11.316433] ksize_unpoisons_memory+0xc7/0x9b0 [ 11.316654] kunit_try_run_case+0x1a5/0x480 [ 11.317268] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.317547] kthread+0x337/0x6f0 [ 11.317728] ret_from_fork+0x116/0x1d0 [ 11.317910] ret_from_fork_asm+0x1a/0x30 [ 11.318201] [ 11.318291] The buggy address belongs to the object at ffff888102f96100 [ 11.318291] which belongs to the cache kmalloc-128 of size 128 [ 11.318808] The buggy address is located 12 bytes to the right of [ 11.318808] allocated 115-byte region [ffff888102f96100, ffff888102f96173) [ 11.319724] [ 11.319885] The buggy address belongs to the physical page: [ 11.320477] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102f96 [ 11.321111] flags: 0x200000000000000(node=0|zone=2) [ 11.321338] page_type: f5(slab) [ 11.321680] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.322164] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.322507] page dumped because: kasan: bad access detected [ 11.322766] [ 11.322846] Memory state around the buggy address: [ 11.323503] ffff888102f96000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.323935] ffff888102f96080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.324418] >ffff888102f96100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 11.324964] ^ [ 11.325302] ffff888102f96180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.325620] ffff888102f96200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.325941] ================================================================== [ 11.244931] ================================================================== [ 11.245593] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x81c/0x9b0 [ 11.246133] Read of size 1 at addr ffff888102f96173 by task kunit_try_catch/211 [ 11.246539] [ 11.246942] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT(voluntary) [ 11.247013] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.247026] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.247046] Call Trace: [ 11.247058] <TASK> [ 11.247073] dump_stack_lvl+0x73/0xb0 [ 11.247100] print_report+0xd1/0x650 [ 11.247122] ? __virt_addr_valid+0x1db/0x2d0 [ 11.247143] ? ksize_unpoisons_memory+0x81c/0x9b0 [ 11.247166] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.247189] ? ksize_unpoisons_memory+0x81c/0x9b0 [ 11.247212] kasan_report+0x141/0x180 [ 11.247234] ? ksize_unpoisons_memory+0x81c/0x9b0 [ 11.247263] __asan_report_load1_noabort+0x18/0x20 [ 11.247283] ksize_unpoisons_memory+0x81c/0x9b0 [ 11.247307] ? __pfx_ksize_unpoisons_memory+0x10/0x10 [ 11.247330] ? finish_task_switch.isra.0+0x153/0x700 [ 11.247352] ? __switch_to+0x47/0xf50 [ 11.247378] ? __schedule+0x10cc/0x2b60 [ 11.247401] ? __pfx_read_tsc+0x10/0x10 [ 11.247421] ? ktime_get_ts64+0x86/0x230 [ 11.247446] kunit_try_run_case+0x1a5/0x480 [ 11.247466] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.247486] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.247510] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.247534] ? __kthread_parkme+0x82/0x180 [ 11.247554] ? preempt_count_sub+0x50/0x80 [ 11.247576] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.247597] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.247635] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.247659] kthread+0x337/0x6f0 [ 11.247678] ? trace_preempt_on+0x20/0xc0 [ 11.247701] ? __pfx_kthread+0x10/0x10 [ 11.247721] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.247744] ? calculate_sigpending+0x7b/0xa0 [ 11.247767] ? __pfx_kthread+0x10/0x10 [ 11.247789] ret_from_fork+0x116/0x1d0 [ 11.247806] ? __pfx_kthread+0x10/0x10 [ 11.247890] ret_from_fork_asm+0x1a/0x30 [ 11.247924] </TASK> [ 11.247934] [ 11.261910] Allocated by task 211: [ 11.262295] kasan_save_stack+0x45/0x70 [ 11.262697] kasan_save_track+0x18/0x40 [ 11.263024] kasan_save_alloc_info+0x3b/0x50 [ 11.263178] __kasan_kmalloc+0xb7/0xc0 [ 11.263316] __kmalloc_cache_noprof+0x189/0x420 [ 11.263475] ksize_unpoisons_memory+0xc7/0x9b0 [ 11.263641] kunit_try_run_case+0x1a5/0x480 [ 11.263861] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.264377] kthread+0x337/0x6f0 [ 11.264725] ret_from_fork+0x116/0x1d0 [ 11.265377] ret_from_fork_asm+0x1a/0x30 [ 11.265852] [ 11.266029] The buggy address belongs to the object at ffff888102f96100 [ 11.266029] which belongs to the cache kmalloc-128 of size 128 [ 11.267260] The buggy address is located 0 bytes to the right of [ 11.267260] allocated 115-byte region [ffff888102f96100, ffff888102f96173) [ 11.268475] [ 11.268665] The buggy address belongs to the physical page: [ 11.269250] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102f96 [ 11.269508] flags: 0x200000000000000(node=0|zone=2) [ 11.269699] page_type: f5(slab) [ 11.269846] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.270602] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.271062] page dumped because: kasan: bad access detected [ 11.271308] [ 11.271405] Memory state around the buggy address: [ 11.271621] ffff888102f96000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.272226] ffff888102f96080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.272496] >ffff888102f96100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 11.273217] ^ [ 11.273691] ffff888102f96180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.274182] ffff888102f96200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.274655] ================================================================== [ 11.276033] ================================================================== [ 11.276358] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x7e9/0x9b0 [ 11.276770] Read of size 1 at addr ffff888102f96178 by task kunit_try_catch/211 [ 11.277307] [ 11.277564] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.15.0-next-20250529 #1 PREEMPT(voluntary) [ 11.277624] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.277636] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.277657] Call Trace: [ 11.277670] <TASK> [ 11.277687] dump_stack_lvl+0x73/0xb0 [ 11.277715] print_report+0xd1/0x650 [ 11.277737] ? __virt_addr_valid+0x1db/0x2d0 [ 11.277938] ? ksize_unpoisons_memory+0x7e9/0x9b0 [ 11.277966] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.277990] ? ksize_unpoisons_memory+0x7e9/0x9b0 [ 11.278015] kasan_report+0x141/0x180 [ 11.278038] ? ksize_unpoisons_memory+0x7e9/0x9b0 [ 11.278066] __asan_report_load1_noabort+0x18/0x20 [ 11.278087] ksize_unpoisons_memory+0x7e9/0x9b0 [ 11.278111] ? __pfx_ksize_unpoisons_memory+0x10/0x10 [ 11.278134] ? finish_task_switch.isra.0+0x153/0x700 [ 11.278157] ? __switch_to+0x47/0xf50 [ 11.278183] ? __schedule+0x10cc/0x2b60 [ 11.278207] ? __pfx_read_tsc+0x10/0x10 [ 11.278229] ? ktime_get_ts64+0x86/0x230 [ 11.278253] kunit_try_run_case+0x1a5/0x480 [ 11.278276] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.278296] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.278320] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.278344] ? __kthread_parkme+0x82/0x180 [ 11.278364] ? preempt_count_sub+0x50/0x80 [ 11.278386] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.278406] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.278430] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.278454] kthread+0x337/0x6f0 [ 11.278473] ? trace_preempt_on+0x20/0xc0 [ 11.278496] ? __pfx_kthread+0x10/0x10 [ 11.278516] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.278543] ? calculate_sigpending+0x7b/0xa0 [ 11.278567] ? __pfx_kthread+0x10/0x10 [ 11.278588] ret_from_fork+0x116/0x1d0 [ 11.278605] ? __pfx_kthread+0x10/0x10 [ 11.278635] ret_from_fork_asm+0x1a/0x30 [ 11.278666] </TASK> [ 11.278676] [ 11.289740] Allocated by task 211: [ 11.290237] kasan_save_stack+0x45/0x70 [ 11.290450] kasan_save_track+0x18/0x40 [ 11.290657] kasan_save_alloc_info+0x3b/0x50 [ 11.291088] __kasan_kmalloc+0xb7/0xc0 [ 11.291276] __kmalloc_cache_noprof+0x189/0x420 [ 11.291595] ksize_unpoisons_memory+0xc7/0x9b0 [ 11.291852] kunit_try_run_case+0x1a5/0x480 [ 11.292249] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.292514] kthread+0x337/0x6f0 [ 11.292696] ret_from_fork+0x116/0x1d0 [ 11.293240] ret_from_fork_asm+0x1a/0x30 [ 11.293460] [ 11.293543] The buggy address belongs to the object at ffff888102f96100 [ 11.293543] which belongs to the cache kmalloc-128 of size 128 [ 11.294305] The buggy address is located 5 bytes to the right of [ 11.294305] allocated 115-byte region [ffff888102f96100, ffff888102f96173) [ 11.295164] [ 11.295259] The buggy address belongs to the physical page: [ 11.295500] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102f96 [ 11.296089] flags: 0x200000000000000(node=0|zone=2) [ 11.296320] page_type: f5(slab) [ 11.296485] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.297220] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.297532] page dumped because: kasan: bad access detected [ 11.297788] [ 11.298037] Memory state around the buggy address: [ 11.298233] ffff888102f96000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.298548] ffff888102f96080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.299126] >ffff888102f96100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 11.299508] ^ [ 11.299985] ffff888102f96180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.300378] ffff888102f96200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.300734] ==================================================================