Date
July 6, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.273473] ================================================================== [ 18.273536] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x618/0x740 [ 18.273623] Read of size 1 at addr fff00000c1cf4f78 by task kunit_try_catch/194 [ 18.273699] [ 18.273730] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.274085] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.274143] Hardware name: linux,dummy-virt (DT) [ 18.274175] Call trace: [ 18.274278] show_stack+0x20/0x38 (C) [ 18.274460] dump_stack_lvl+0x8c/0xd0 [ 18.274509] print_report+0x118/0x608 [ 18.274555] kasan_report+0xdc/0x128 [ 18.274662] __asan_report_load1_noabort+0x20/0x30 [ 18.274762] ksize_unpoisons_memory+0x618/0x740 [ 18.274885] kunit_try_run_case+0x170/0x3f0 [ 18.275000] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.275076] kthread+0x328/0x630 [ 18.275119] ret_from_fork+0x10/0x20 [ 18.275165] [ 18.275463] Allocated by task 194: [ 18.275584] kasan_save_stack+0x3c/0x68 [ 18.275683] kasan_save_track+0x20/0x40 [ 18.275786] kasan_save_alloc_info+0x40/0x58 [ 18.275863] __kasan_kmalloc+0xd4/0xd8 [ 18.276074] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.276152] ksize_unpoisons_memory+0xc0/0x740 [ 18.276291] kunit_try_run_case+0x170/0x3f0 [ 18.276327] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.276418] kthread+0x328/0x630 [ 18.276627] ret_from_fork+0x10/0x20 [ 18.276783] [ 18.276813] The buggy address belongs to the object at fff00000c1cf4f00 [ 18.276813] which belongs to the cache kmalloc-128 of size 128 [ 18.276871] The buggy address is located 5 bytes to the right of [ 18.276871] allocated 115-byte region [fff00000c1cf4f00, fff00000c1cf4f73) [ 18.276936] [ 18.276965] The buggy address belongs to the physical page: [ 18.277003] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101cf4 [ 18.277054] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.277111] page_type: f5(slab) [ 18.277213] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.277567] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.277640] page dumped because: kasan: bad access detected [ 18.277841] [ 18.278046] Memory state around the buggy address: [ 18.278086] fff00000c1cf4e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.278133] fff00000c1cf4e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.278176] >fff00000c1cf4f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 18.278354] ^ [ 18.278469] fff00000c1cf4f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.278644] fff00000c1cf5000: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 18.278785] ================================================================== [ 18.280476] ================================================================== [ 18.281441] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x690/0x740 [ 18.281525] Read of size 1 at addr fff00000c1cf4f7f by task kunit_try_catch/194 [ 18.281602] [ 18.281680] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.281772] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.282069] Hardware name: linux,dummy-virt (DT) [ 18.282364] Call trace: [ 18.282414] show_stack+0x20/0x38 (C) [ 18.282578] dump_stack_lvl+0x8c/0xd0 [ 18.282928] print_report+0x118/0x608 [ 18.283064] kasan_report+0xdc/0x128 [ 18.283276] __asan_report_load1_noabort+0x20/0x30 [ 18.283451] ksize_unpoisons_memory+0x690/0x740 [ 18.283583] kunit_try_run_case+0x170/0x3f0 [ 18.283665] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.283848] kthread+0x328/0x630 [ 18.283921] ret_from_fork+0x10/0x20 [ 18.283988] [ 18.284007] Allocated by task 194: [ 18.284043] kasan_save_stack+0x3c/0x68 [ 18.284095] kasan_save_track+0x20/0x40 [ 18.284132] kasan_save_alloc_info+0x40/0x58 [ 18.284174] __kasan_kmalloc+0xd4/0xd8 [ 18.284221] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.284264] ksize_unpoisons_memory+0xc0/0x740 [ 18.284317] kunit_try_run_case+0x170/0x3f0 [ 18.284359] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.284409] kthread+0x328/0x630 [ 18.284440] ret_from_fork+0x10/0x20 [ 18.284475] [ 18.284493] The buggy address belongs to the object at fff00000c1cf4f00 [ 18.284493] which belongs to the cache kmalloc-128 of size 128 [ 18.284550] The buggy address is located 12 bytes to the right of [ 18.284550] allocated 115-byte region [fff00000c1cf4f00, fff00000c1cf4f73) [ 18.284613] [ 18.284644] The buggy address belongs to the physical page: [ 18.284676] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101cf4 [ 18.284728] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.284795] page_type: f5(slab) [ 18.284833] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.284891] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.284944] page dumped because: kasan: bad access detected [ 18.284984] [ 18.285002] Memory state around the buggy address: [ 18.285033] fff00000c1cf4e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.285099] fff00000c1cf4e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.285141] >fff00000c1cf4f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 18.285198] ^ [ 18.285238] fff00000c1cf4f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.285940] fff00000c1cf5000: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 18.285987] ================================================================== [ 18.268745] ================================================================== [ 18.268829] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x628/0x740 [ 18.268905] Read of size 1 at addr fff00000c1cf4f73 by task kunit_try_catch/194 [ 18.268956] [ 18.269010] CPU: 1 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.269117] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.269164] Hardware name: linux,dummy-virt (DT) [ 18.269212] Call trace: [ 18.269234] show_stack+0x20/0x38 (C) [ 18.269329] dump_stack_lvl+0x8c/0xd0 [ 18.269440] print_report+0x118/0x608 [ 18.269487] kasan_report+0xdc/0x128 [ 18.269531] __asan_report_load1_noabort+0x20/0x30 [ 18.269807] ksize_unpoisons_memory+0x628/0x740 [ 18.269882] kunit_try_run_case+0x170/0x3f0 [ 18.269932] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.269986] kthread+0x328/0x630 [ 18.270029] ret_from_fork+0x10/0x20 [ 18.270154] [ 18.270213] Allocated by task 194: [ 18.270243] kasan_save_stack+0x3c/0x68 [ 18.270337] kasan_save_track+0x20/0x40 [ 18.270498] kasan_save_alloc_info+0x40/0x58 [ 18.270608] __kasan_kmalloc+0xd4/0xd8 [ 18.270647] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.270710] ksize_unpoisons_memory+0xc0/0x740 [ 18.270767] kunit_try_run_case+0x170/0x3f0 [ 18.270805] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.270848] kthread+0x328/0x630 [ 18.270880] ret_from_fork+0x10/0x20 [ 18.270916] [ 18.270936] The buggy address belongs to the object at fff00000c1cf4f00 [ 18.270936] which belongs to the cache kmalloc-128 of size 128 [ 18.270990] The buggy address is located 0 bytes to the right of [ 18.270990] allocated 115-byte region [fff00000c1cf4f00, fff00000c1cf4f73) [ 18.271170] [ 18.271247] The buggy address belongs to the physical page: [ 18.271367] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101cf4 [ 18.271442] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.271492] page_type: f5(slab) [ 18.271530] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.271580] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.271812] page dumped because: kasan: bad access detected [ 18.271846] [ 18.271863] Memory state around the buggy address: [ 18.271899] fff00000c1cf4e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.271941] fff00000c1cf4e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.272012] >fff00000c1cf4f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 18.272093] ^ [ 18.272132] fff00000c1cf4f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.272243] fff00000c1cf5000: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc [ 18.272280] ==================================================================
[ 12.032922] ================================================================== [ 12.033645] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x7b6/0x9b0 [ 12.034001] Read of size 1 at addr ffff888102b0ea7f by task kunit_try_catch/211 [ 12.034688] [ 12.034813] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 12.035051] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.035067] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.035089] Call Trace: [ 12.035117] <TASK> [ 12.035136] dump_stack_lvl+0x73/0xb0 [ 12.035169] print_report+0xd1/0x650 [ 12.035191] ? __virt_addr_valid+0x1db/0x2d0 [ 12.035213] ? ksize_unpoisons_memory+0x7b6/0x9b0 [ 12.035236] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.035258] ? ksize_unpoisons_memory+0x7b6/0x9b0 [ 12.035281] kasan_report+0x141/0x180 [ 12.035303] ? ksize_unpoisons_memory+0x7b6/0x9b0 [ 12.035331] __asan_report_load1_noabort+0x18/0x20 [ 12.035354] ksize_unpoisons_memory+0x7b6/0x9b0 [ 12.035378] ? __pfx_ksize_unpoisons_memory+0x10/0x10 [ 12.035400] ? finish_task_switch.isra.0+0x153/0x700 [ 12.035422] ? __switch_to+0x47/0xf50 [ 12.035447] ? __schedule+0x10cc/0x2b60 [ 12.035509] ? __pfx_read_tsc+0x10/0x10 [ 12.035531] ? ktime_get_ts64+0x86/0x230 [ 12.035555] kunit_try_run_case+0x1a5/0x480 [ 12.035579] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.035601] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.035624] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.035646] ? __kthread_parkme+0x82/0x180 [ 12.035666] ? preempt_count_sub+0x50/0x80 [ 12.035688] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.035711] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.035733] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.035756] kthread+0x337/0x6f0 [ 12.035775] ? trace_preempt_on+0x20/0xc0 [ 12.035798] ? __pfx_kthread+0x10/0x10 [ 12.035818] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.035838] ? calculate_sigpending+0x7b/0xa0 [ 12.035862] ? __pfx_kthread+0x10/0x10 [ 12.035883] ret_from_fork+0x116/0x1d0 [ 12.035901] ? __pfx_kthread+0x10/0x10 [ 12.035921] ret_from_fork_asm+0x1a/0x30 [ 12.035964] </TASK> [ 12.035976] [ 12.047966] Allocated by task 211: [ 12.048228] kasan_save_stack+0x45/0x70 [ 12.048574] kasan_save_track+0x18/0x40 [ 12.048748] kasan_save_alloc_info+0x3b/0x50 [ 12.049183] __kasan_kmalloc+0xb7/0xc0 [ 12.049387] __kmalloc_cache_noprof+0x189/0x420 [ 12.049884] ksize_unpoisons_memory+0xc7/0x9b0 [ 12.050124] kunit_try_run_case+0x1a5/0x480 [ 12.050411] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.050722] kthread+0x337/0x6f0 [ 12.051032] ret_from_fork+0x116/0x1d0 [ 12.051395] ret_from_fork_asm+0x1a/0x30 [ 12.051757] [ 12.051856] The buggy address belongs to the object at ffff888102b0ea00 [ 12.051856] which belongs to the cache kmalloc-128 of size 128 [ 12.052866] The buggy address is located 12 bytes to the right of [ 12.052866] allocated 115-byte region [ffff888102b0ea00, ffff888102b0ea73) [ 12.053632] [ 12.053876] The buggy address belongs to the physical page: [ 12.054209] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b0e [ 12.054777] flags: 0x200000000000000(node=0|zone=2) [ 12.055125] page_type: f5(slab) [ 12.055322] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.055917] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.056380] page dumped because: kasan: bad access detected [ 12.056747] [ 12.056835] Memory state around the buggy address: [ 12.057239] ffff888102b0e900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.057882] ffff888102b0e980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.058214] >ffff888102b0ea00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 12.058735] ^ [ 12.059025] ffff888102b0ea80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.059456] ffff888102b0eb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.060152] ================================================================== [ 12.002318] ================================================================== [ 12.003363] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x7e9/0x9b0 [ 12.004829] Read of size 1 at addr ffff888102b0ea78 by task kunit_try_catch/211 [ 12.005259] [ 12.005363] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 12.005408] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.005420] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.005441] Call Trace: [ 12.005464] <TASK> [ 12.005483] dump_stack_lvl+0x73/0xb0 [ 12.005515] print_report+0xd1/0x650 [ 12.005539] ? __virt_addr_valid+0x1db/0x2d0 [ 12.005564] ? ksize_unpoisons_memory+0x7e9/0x9b0 [ 12.005587] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.005608] ? ksize_unpoisons_memory+0x7e9/0x9b0 [ 12.005631] kasan_report+0x141/0x180 [ 12.005653] ? ksize_unpoisons_memory+0x7e9/0x9b0 [ 12.005681] __asan_report_load1_noabort+0x18/0x20 [ 12.005705] ksize_unpoisons_memory+0x7e9/0x9b0 [ 12.005728] ? __pfx_ksize_unpoisons_memory+0x10/0x10 [ 12.005750] ? finish_task_switch.isra.0+0x153/0x700 [ 12.005773] ? __switch_to+0x47/0xf50 [ 12.005799] ? __schedule+0x10cc/0x2b60 [ 12.005821] ? __pfx_read_tsc+0x10/0x10 [ 12.005842] ? ktime_get_ts64+0x86/0x230 [ 12.005866] kunit_try_run_case+0x1a5/0x480 [ 12.005891] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.005912] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.005949] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.005971] ? __kthread_parkme+0x82/0x180 [ 12.005992] ? preempt_count_sub+0x50/0x80 [ 12.006014] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.006036] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.006058] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.006080] kthread+0x337/0x6f0 [ 12.006100] ? trace_preempt_on+0x20/0xc0 [ 12.006123] ? __pfx_kthread+0x10/0x10 [ 12.006143] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.006163] ? calculate_sigpending+0x7b/0xa0 [ 12.006187] ? __pfx_kthread+0x10/0x10 [ 12.006208] ret_from_fork+0x116/0x1d0 [ 12.006226] ? __pfx_kthread+0x10/0x10 [ 12.006246] ret_from_fork_asm+0x1a/0x30 [ 12.006276] </TASK> [ 12.006287] [ 12.019444] Allocated by task 211: [ 12.020058] kasan_save_stack+0x45/0x70 [ 12.020282] kasan_save_track+0x18/0x40 [ 12.020490] kasan_save_alloc_info+0x3b/0x50 [ 12.021056] __kasan_kmalloc+0xb7/0xc0 [ 12.021256] __kmalloc_cache_noprof+0x189/0x420 [ 12.021489] ksize_unpoisons_memory+0xc7/0x9b0 [ 12.021893] kunit_try_run_case+0x1a5/0x480 [ 12.022276] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.022711] kthread+0x337/0x6f0 [ 12.022852] ret_from_fork+0x116/0x1d0 [ 12.023075] ret_from_fork_asm+0x1a/0x30 [ 12.023280] [ 12.023368] The buggy address belongs to the object at ffff888102b0ea00 [ 12.023368] which belongs to the cache kmalloc-128 of size 128 [ 12.024223] The buggy address is located 5 bytes to the right of [ 12.024223] allocated 115-byte region [ffff888102b0ea00, ffff888102b0ea73) [ 12.025258] [ 12.025367] The buggy address belongs to the physical page: [ 12.025621] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b0e [ 12.025981] flags: 0x200000000000000(node=0|zone=2) [ 12.026643] page_type: f5(slab) [ 12.026922] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.027421] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.027921] page dumped because: kasan: bad access detected [ 12.028422] [ 12.028652] Memory state around the buggy address: [ 12.028965] ffff888102b0e900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.029435] ffff888102b0e980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.029995] >ffff888102b0ea00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 12.030475] ^ [ 12.030981] ffff888102b0ea80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.031558] ffff888102b0eb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.031926] ================================================================== [ 11.968379] ================================================================== [ 11.969788] BUG: KASAN: slab-out-of-bounds in ksize_unpoisons_memory+0x81c/0x9b0 [ 11.970439] Read of size 1 at addr ffff888102b0ea73 by task kunit_try_catch/211 [ 11.971676] [ 11.971816] CPU: 0 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.971864] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.971877] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.971897] Call Trace: [ 11.971910] <TASK> [ 11.971942] dump_stack_lvl+0x73/0xb0 [ 11.971974] print_report+0xd1/0x650 [ 11.971996] ? __virt_addr_valid+0x1db/0x2d0 [ 11.972020] ? ksize_unpoisons_memory+0x81c/0x9b0 [ 11.972042] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.972255] ? ksize_unpoisons_memory+0x81c/0x9b0 [ 11.972303] kasan_report+0x141/0x180 [ 11.972327] ? ksize_unpoisons_memory+0x81c/0x9b0 [ 11.972355] __asan_report_load1_noabort+0x18/0x20 [ 11.972419] ksize_unpoisons_memory+0x81c/0x9b0 [ 11.972443] ? __pfx_ksize_unpoisons_memory+0x10/0x10 [ 11.972484] ? finish_task_switch.isra.0+0x153/0x700 [ 11.972506] ? __switch_to+0x47/0xf50 [ 11.972533] ? __schedule+0x10cc/0x2b60 [ 11.972555] ? __pfx_read_tsc+0x10/0x10 [ 11.972576] ? ktime_get_ts64+0x86/0x230 [ 11.972599] kunit_try_run_case+0x1a5/0x480 [ 11.972623] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.972644] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.972667] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.972689] ? __kthread_parkme+0x82/0x180 [ 11.972709] ? preempt_count_sub+0x50/0x80 [ 11.972732] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.972755] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.972777] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.972799] kthread+0x337/0x6f0 [ 11.972818] ? trace_preempt_on+0x20/0xc0 [ 11.972841] ? __pfx_kthread+0x10/0x10 [ 11.972861] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.972882] ? calculate_sigpending+0x7b/0xa0 [ 11.972905] ? __pfx_kthread+0x10/0x10 [ 11.972926] ret_from_fork+0x116/0x1d0 [ 11.972954] ? __pfx_kthread+0x10/0x10 [ 11.972973] ret_from_fork_asm+0x1a/0x30 [ 11.973003] </TASK> [ 11.973015] [ 11.987885] Allocated by task 211: [ 11.988311] kasan_save_stack+0x45/0x70 [ 11.988650] kasan_save_track+0x18/0x40 [ 11.988921] kasan_save_alloc_info+0x3b/0x50 [ 11.989305] __kasan_kmalloc+0xb7/0xc0 [ 11.989646] __kmalloc_cache_noprof+0x189/0x420 [ 11.990004] ksize_unpoisons_memory+0xc7/0x9b0 [ 11.990431] kunit_try_run_case+0x1a5/0x480 [ 11.990859] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.991156] kthread+0x337/0x6f0 [ 11.991438] ret_from_fork+0x116/0x1d0 [ 11.991864] ret_from_fork_asm+0x1a/0x30 [ 11.992067] [ 11.992374] The buggy address belongs to the object at ffff888102b0ea00 [ 11.992374] which belongs to the cache kmalloc-128 of size 128 [ 11.993082] The buggy address is located 0 bytes to the right of [ 11.993082] allocated 115-byte region [ffff888102b0ea00, ffff888102b0ea73) [ 11.993660] [ 11.993769] The buggy address belongs to the physical page: [ 11.994319] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b0e [ 11.994809] flags: 0x200000000000000(node=0|zone=2) [ 11.995182] page_type: f5(slab) [ 11.995471] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.995974] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.996399] page dumped because: kasan: bad access detected [ 11.996813] [ 11.996899] Memory state around the buggy address: [ 11.997335] ffff888102b0e900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.997941] ffff888102b0e980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.998493] >ffff888102b0ea00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 11.998904] ^ [ 11.999316] ffff888102b0ea80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.999818] ffff888102b0eb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.000468] ==================================================================