Date
July 16, 2025, 3:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.446503] ================================================================== [ 18.446630] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 18.446723] Read of size 1 at addr fff00000c780a001 by task kunit_try_catch/223 [ 18.446778] [ 18.446821] CPU: 0 UID: 0 PID: 223 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.448725] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.449294] Hardware name: linux,dummy-virt (DT) [ 18.449451] Call trace: [ 18.449487] show_stack+0x20/0x38 (C) [ 18.449556] dump_stack_lvl+0x8c/0xd0 [ 18.449610] print_report+0x118/0x5d0 [ 18.450291] kasan_report+0xdc/0x128 [ 18.450348] __asan_report_load1_noabort+0x20/0x30 [ 18.451026] mempool_oob_right_helper+0x2ac/0x2f0 [ 18.451499] mempool_kmalloc_large_oob_right+0xc4/0x120 [ 18.451575] kunit_try_run_case+0x170/0x3f0 [ 18.451626] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.451679] kthread+0x328/0x630 [ 18.452884] ret_from_fork+0x10/0x20 [ 18.453292] [ 18.453815] The buggy address belongs to the physical page: [ 18.454157] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107808 [ 18.454616] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 18.454826] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 18.454891] page_type: f8(unknown) [ 18.454939] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.454991] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 18.455042] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.455092] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 18.456563] head: 0bfffe0000000002 ffffc1ffc31e0201 00000000ffffffff 00000000ffffffff [ 18.456748] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 18.456796] page dumped because: kasan: bad access detected [ 18.457404] [ 18.457725] Memory state around the buggy address: [ 18.458380] fff00000c7809f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.458470] fff00000c7809f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.458665] >fff00000c780a000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 18.459313] ^ [ 18.459558] fff00000c780a080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 18.459742] fff00000c780a100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 18.459785] ================================================================== [ 18.418356] ================================================================== [ 18.418434] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 18.418510] Read of size 1 at addr fff00000c46f7f73 by task kunit_try_catch/221 [ 18.418563] [ 18.418605] CPU: 0 UID: 0 PID: 221 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.418695] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.418739] Hardware name: linux,dummy-virt (DT) [ 18.418774] Call trace: [ 18.418800] show_stack+0x20/0x38 (C) [ 18.418852] dump_stack_lvl+0x8c/0xd0 [ 18.418903] print_report+0x118/0x5d0 [ 18.418949] kasan_report+0xdc/0x128 [ 18.418994] __asan_report_load1_noabort+0x20/0x30 [ 18.419044] mempool_oob_right_helper+0x2ac/0x2f0 [ 18.419092] mempool_kmalloc_oob_right+0xc4/0x120 [ 18.419140] kunit_try_run_case+0x170/0x3f0 [ 18.419191] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.419521] kthread+0x328/0x630 [ 18.419575] ret_from_fork+0x10/0x20 [ 18.419628] [ 18.419695] Allocated by task 221: [ 18.419737] kasan_save_stack+0x3c/0x68 [ 18.419781] kasan_save_track+0x20/0x40 [ 18.419819] kasan_save_alloc_info+0x40/0x58 [ 18.419862] __kasan_mempool_unpoison_object+0x11c/0x180 [ 18.419905] remove_element+0x130/0x1f8 [ 18.419945] mempool_alloc_preallocated+0x58/0xc0 [ 18.419984] mempool_oob_right_helper+0x98/0x2f0 [ 18.420023] mempool_kmalloc_oob_right+0xc4/0x120 [ 18.420064] kunit_try_run_case+0x170/0x3f0 [ 18.420105] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.420150] kthread+0x328/0x630 [ 18.420182] ret_from_fork+0x10/0x20 [ 18.420219] [ 18.420239] The buggy address belongs to the object at fff00000c46f7f00 [ 18.420239] which belongs to the cache kmalloc-128 of size 128 [ 18.420301] The buggy address is located 0 bytes to the right of [ 18.420301] allocated 115-byte region [fff00000c46f7f00, fff00000c46f7f73) [ 18.420366] [ 18.420389] The buggy address belongs to the physical page: [ 18.420424] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1046f7 [ 18.420482] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.420537] page_type: f5(slab) [ 18.420580] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.420632] raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000 [ 18.420674] page dumped because: kasan: bad access detected [ 18.420718] [ 18.420736] Memory state around the buggy address: [ 18.420769] fff00000c46f7e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.420814] fff00000c46f7e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.420858] >fff00000c46f7f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 18.420898] ^ [ 18.420944] fff00000c46f7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.420988] fff00000c46f8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.421028] ================================================================== [ 18.478948] ================================================================== [ 18.479038] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x2ac/0x2f0 [ 18.479114] Read of size 1 at addr fff00000c65822bb by task kunit_try_catch/225 [ 18.479166] [ 18.479210] CPU: 1 UID: 0 PID: 225 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 18.479358] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.479385] Hardware name: linux,dummy-virt (DT) [ 18.479419] Call trace: [ 18.479445] show_stack+0x20/0x38 (C) [ 18.479497] dump_stack_lvl+0x8c/0xd0 [ 18.479549] print_report+0x118/0x5d0 [ 18.479596] kasan_report+0xdc/0x128 [ 18.479641] __asan_report_load1_noabort+0x20/0x30 [ 18.479692] mempool_oob_right_helper+0x2ac/0x2f0 [ 18.479751] mempool_slab_oob_right+0xc0/0x118 [ 18.479799] kunit_try_run_case+0x170/0x3f0 [ 18.479851] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.479903] kthread+0x328/0x630 [ 18.479946] ret_from_fork+0x10/0x20 [ 18.479994] [ 18.480012] Allocated by task 225: [ 18.480042] kasan_save_stack+0x3c/0x68 [ 18.480085] kasan_save_track+0x20/0x40 [ 18.480123] kasan_save_alloc_info+0x40/0x58 [ 18.480163] __kasan_mempool_unpoison_object+0xbc/0x180 [ 18.480207] remove_element+0x16c/0x1f8 [ 18.480246] mempool_alloc_preallocated+0x58/0xc0 [ 18.480287] mempool_oob_right_helper+0x98/0x2f0 [ 18.480325] mempool_slab_oob_right+0xc0/0x118 [ 18.480363] kunit_try_run_case+0x170/0x3f0 [ 18.480401] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.480443] kthread+0x328/0x630 [ 18.480475] ret_from_fork+0x10/0x20 [ 18.480512] [ 18.480531] The buggy address belongs to the object at fff00000c6582240 [ 18.480531] which belongs to the cache test_cache of size 123 [ 18.480590] The buggy address is located 0 bytes to the right of [ 18.480590] allocated 123-byte region [fff00000c6582240, fff00000c65822bb) [ 18.480654] [ 18.480675] The buggy address belongs to the physical page: [ 18.480720] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106582 [ 18.480776] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.480827] page_type: f5(slab) [ 18.480865] raw: 0bfffe0000000000 fff00000c3e3edc0 dead000000000122 0000000000000000 [ 18.480919] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 18.480960] page dumped because: kasan: bad access detected [ 18.480992] [ 18.481009] Memory state around the buggy address: [ 18.481041] fff00000c6582180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.481085] fff00000c6582200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 18.481129] >fff00000c6582280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 18.481167] ^ [ 18.481198] fff00000c6582300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.481241] fff00000c6582380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.481281] ==================================================================
[ 13.980440] ================================================================== [ 13.980896] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 13.981400] Read of size 1 at addr ffff88810307d273 by task kunit_try_catch/238 [ 13.982083] [ 13.982271] CPU: 0 UID: 0 PID: 238 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.982328] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.982359] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.982382] Call Trace: [ 13.982396] <TASK> [ 13.982415] dump_stack_lvl+0x73/0xb0 [ 13.982664] print_report+0xd1/0x610 [ 13.982693] ? __virt_addr_valid+0x1db/0x2d0 [ 13.982721] ? mempool_oob_right_helper+0x318/0x380 [ 13.982748] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.982789] ? mempool_oob_right_helper+0x318/0x380 [ 13.982816] kasan_report+0x141/0x180 [ 13.982840] ? mempool_oob_right_helper+0x318/0x380 [ 13.982871] __asan_report_load1_noabort+0x18/0x20 [ 13.982899] mempool_oob_right_helper+0x318/0x380 [ 13.982926] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 13.982955] ? __kasan_check_write+0x18/0x20 [ 13.982989] ? __pfx_sched_clock_cpu+0x10/0x10 [ 13.983015] ? finish_task_switch.isra.0+0x153/0x700 [ 13.983045] mempool_kmalloc_oob_right+0xf2/0x150 [ 13.983072] ? __pfx_mempool_kmalloc_oob_right+0x10/0x10 [ 13.983102] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.983131] ? __pfx_mempool_kfree+0x10/0x10 [ 13.983159] ? __pfx_read_tsc+0x10/0x10 [ 13.983187] ? ktime_get_ts64+0x86/0x230 [ 13.983214] kunit_try_run_case+0x1a5/0x480 [ 13.983243] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.983268] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.983297] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.983322] ? __kthread_parkme+0x82/0x180 [ 13.983346] ? preempt_count_sub+0x50/0x80 [ 13.983372] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.983398] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.983424] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.983450] kthread+0x337/0x6f0 [ 13.983471] ? trace_preempt_on+0x20/0xc0 [ 13.983497] ? __pfx_kthread+0x10/0x10 [ 13.983519] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.983543] ? calculate_sigpending+0x7b/0xa0 [ 13.983570] ? __pfx_kthread+0x10/0x10 [ 13.983593] ret_from_fork+0x116/0x1d0 [ 13.983613] ? __pfx_kthread+0x10/0x10 [ 13.983635] ret_from_fork_asm+0x1a/0x30 [ 13.983668] </TASK> [ 13.983680] [ 13.997061] Allocated by task 238: [ 13.997313] kasan_save_stack+0x45/0x70 [ 13.997615] kasan_save_track+0x18/0x40 [ 13.997875] kasan_save_alloc_info+0x3b/0x50 [ 13.998172] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 13.998392] remove_element+0x11e/0x190 [ 13.998809] mempool_alloc_preallocated+0x4d/0x90 [ 13.999167] mempool_oob_right_helper+0x8a/0x380 [ 13.999522] mempool_kmalloc_oob_right+0xf2/0x150 [ 13.999724] kunit_try_run_case+0x1a5/0x480 [ 14.000360] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.000790] kthread+0x337/0x6f0 [ 14.000958] ret_from_fork+0x116/0x1d0 [ 14.001300] ret_from_fork_asm+0x1a/0x30 [ 14.001573] [ 14.001655] The buggy address belongs to the object at ffff88810307d200 [ 14.001655] which belongs to the cache kmalloc-128 of size 128 [ 14.002544] The buggy address is located 0 bytes to the right of [ 14.002544] allocated 115-byte region [ffff88810307d200, ffff88810307d273) [ 14.003078] [ 14.003418] The buggy address belongs to the physical page: [ 14.003702] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10307d [ 14.004361] flags: 0x200000000000000(node=0|zone=2) [ 14.004595] page_type: f5(slab) [ 14.005055] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 14.005390] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 14.005949] page dumped because: kasan: bad access detected [ 14.006376] [ 14.006467] Memory state around the buggy address: [ 14.006813] ffff88810307d100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.007227] ffff88810307d180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.007666] >ffff88810307d200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 14.007975] ^ [ 14.008576] ffff88810307d280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.009042] ffff88810307d300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 03 fc [ 14.009417] ================================================================== [ 14.037653] ================================================================== [ 14.038817] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.039542] Read of size 1 at addr ffff88810307f2bb by task kunit_try_catch/242 [ 14.040451] [ 14.040708] CPU: 0 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 14.040769] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.040945] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.040970] Call Trace: [ 14.040983] <TASK> [ 14.041000] dump_stack_lvl+0x73/0xb0 [ 14.041036] print_report+0xd1/0x610 [ 14.041062] ? __virt_addr_valid+0x1db/0x2d0 [ 14.041088] ? mempool_oob_right_helper+0x318/0x380 [ 14.041112] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.041136] ? mempool_oob_right_helper+0x318/0x380 [ 14.041161] kasan_report+0x141/0x180 [ 14.041183] ? mempool_oob_right_helper+0x318/0x380 [ 14.041213] __asan_report_load1_noabort+0x18/0x20 [ 14.041240] mempool_oob_right_helper+0x318/0x380 [ 14.041266] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.041290] ? update_load_avg+0x1be/0x21b0 [ 14.041319] ? finish_task_switch.isra.0+0x153/0x700 [ 14.041347] mempool_slab_oob_right+0xed/0x140 [ 14.041373] ? __pfx_mempool_slab_oob_right+0x10/0x10 [ 14.041399] ? __kasan_check_write+0x18/0x20 [ 14.041420] ? __pfx_mempool_alloc_slab+0x10/0x10 [ 14.041463] ? __pfx_mempool_free_slab+0x10/0x10 [ 14.041490] ? __pfx_read_tsc+0x10/0x10 [ 14.041512] ? ktime_get_ts64+0x86/0x230 [ 14.041537] kunit_try_run_case+0x1a5/0x480 [ 14.041566] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.041589] ? _raw_spin_lock_irqsave+0xf9/0x100 [ 14.041616] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.041640] ? __kthread_parkme+0x82/0x180 [ 14.041663] ? preempt_count_sub+0x50/0x80 [ 14.041686] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.041711] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.041736] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.041774] kthread+0x337/0x6f0 [ 14.041793] ? trace_preempt_on+0x20/0xc0 [ 14.041818] ? __pfx_kthread+0x10/0x10 [ 14.041838] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.041860] ? calculate_sigpending+0x7b/0xa0 [ 14.041886] ? __pfx_kthread+0x10/0x10 [ 14.041908] ret_from_fork+0x116/0x1d0 [ 14.041927] ? __pfx_kthread+0x10/0x10 [ 14.041948] ret_from_fork_asm+0x1a/0x30 [ 14.042096] </TASK> [ 14.042107] [ 14.059802] Allocated by task 242: [ 14.059963] kasan_save_stack+0x45/0x70 [ 14.060123] kasan_save_track+0x18/0x40 [ 14.060260] kasan_save_alloc_info+0x3b/0x50 [ 14.060412] __kasan_mempool_unpoison_object+0x1bb/0x200 [ 14.061403] remove_element+0x11e/0x190 [ 14.061876] mempool_alloc_preallocated+0x4d/0x90 [ 14.062589] mempool_oob_right_helper+0x8a/0x380 [ 14.063138] mempool_slab_oob_right+0xed/0x140 [ 14.063788] kunit_try_run_case+0x1a5/0x480 [ 14.064308] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.064938] kthread+0x337/0x6f0 [ 14.065297] ret_from_fork+0x116/0x1d0 [ 14.065454] ret_from_fork_asm+0x1a/0x30 [ 14.065935] [ 14.066113] The buggy address belongs to the object at ffff88810307f240 [ 14.066113] which belongs to the cache test_cache of size 123 [ 14.067368] The buggy address is located 0 bytes to the right of [ 14.067368] allocated 123-byte region [ffff88810307f240, ffff88810307f2bb) [ 14.068457] [ 14.068542] The buggy address belongs to the physical page: [ 14.068722] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10307f [ 14.068996] flags: 0x200000000000000(node=0|zone=2) [ 14.069470] page_type: f5(slab) [ 14.069820] raw: 0200000000000000 ffff888103074500 dead000000000122 0000000000000000 [ 14.070674] raw: 0000000000000000 0000000080150015 00000000f5000000 0000000000000000 [ 14.071537] page dumped because: kasan: bad access detected [ 14.072146] [ 14.072314] Memory state around the buggy address: [ 14.072735] ffff88810307f180: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.072990] ffff88810307f200: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 [ 14.073902] >ffff88810307f280: 00 00 00 00 00 00 00 03 fc fc fc fc fc fc fc fc [ 14.074573] ^ [ 14.074822] ffff88810307f300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.075332] ffff88810307f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.076111] ================================================================== [ 14.012841] ================================================================== [ 14.013330] BUG: KASAN: slab-out-of-bounds in mempool_oob_right_helper+0x318/0x380 [ 14.014040] Read of size 1 at addr ffff888102a4e001 by task kunit_try_catch/240 [ 14.014666] [ 14.014838] CPU: 0 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 14.014889] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.014900] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.014922] Call Trace: [ 14.014935] <TASK> [ 14.014952] dump_stack_lvl+0x73/0xb0 [ 14.015023] print_report+0xd1/0x610 [ 14.015050] ? __virt_addr_valid+0x1db/0x2d0 [ 14.015077] ? mempool_oob_right_helper+0x318/0x380 [ 14.015103] ? kasan_addr_to_slab+0x11/0xa0 [ 14.015126] ? mempool_oob_right_helper+0x318/0x380 [ 14.015155] kasan_report+0x141/0x180 [ 14.015183] ? mempool_oob_right_helper+0x318/0x380 [ 14.015215] __asan_report_load1_noabort+0x18/0x20 [ 14.015243] mempool_oob_right_helper+0x318/0x380 [ 14.015282] ? __pfx_mempool_oob_right_helper+0x10/0x10 [ 14.015310] ? __kasan_check_write+0x18/0x20 [ 14.015353] ? __pfx_sched_clock_cpu+0x10/0x10 [ 14.015380] ? finish_task_switch.isra.0+0x153/0x700 [ 14.015408] mempool_kmalloc_large_oob_right+0xf2/0x150 [ 14.015445] ? __pfx_mempool_kmalloc_large_oob_right+0x10/0x10 [ 14.015478] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.015505] ? __pfx_mempool_kfree+0x10/0x10 [ 14.015532] ? __pfx_read_tsc+0x10/0x10 [ 14.015555] ? ktime_get_ts64+0x86/0x230 [ 14.015582] kunit_try_run_case+0x1a5/0x480 [ 14.015610] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.015635] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.015663] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.015688] ? __kthread_parkme+0x82/0x180 [ 14.015712] ? preempt_count_sub+0x50/0x80 [ 14.015737] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.015772] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.015798] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.015825] kthread+0x337/0x6f0 [ 14.015844] ? trace_preempt_on+0x20/0xc0 [ 14.015871] ? __pfx_kthread+0x10/0x10 [ 14.015892] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.015916] ? calculate_sigpending+0x7b/0xa0 [ 14.015942] ? __pfx_kthread+0x10/0x10 [ 14.015965] ret_from_fork+0x116/0x1d0 [ 14.015993] ? __pfx_kthread+0x10/0x10 [ 14.016014] ret_from_fork_asm+0x1a/0x30 [ 14.016047] </TASK> [ 14.016057] [ 14.026065] The buggy address belongs to the physical page: [ 14.026338] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a4c [ 14.026657] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 14.026937] flags: 0x200000000000040(head|node=0|zone=2) [ 14.027321] page_type: f8(unknown) [ 14.027564] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.027942] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.028291] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.028522] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.029292] head: 0200000000000002 ffffea00040a9301 00000000ffffffff 00000000ffffffff [ 14.029627] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 14.030096] page dumped because: kasan: bad access detected [ 14.030372] [ 14.030457] Memory state around the buggy address: [ 14.030688] ffff888102a4df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.031078] ffff888102a4df80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.031428] >ffff888102a4e000: 01 fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.031750] ^ [ 14.031962] ffff888102a4e080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.032354] ffff888102a4e100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 14.032723] ==================================================================