Date
Dec. 5, 2024, 2:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.600271] ================================================================== [ 32.601506] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e0 [ 32.602168] Free of addr fff00000c6567300 by task kunit_try_catch/224 [ 32.603023] [ 32.603850] CPU: 0 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241205 #1 [ 32.604995] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.605620] Hardware name: linux,dummy-virt (DT) [ 32.606221] Call trace: [ 32.606631] show_stack+0x20/0x38 (C) [ 32.607147] dump_stack_lvl+0x8c/0xd0 [ 32.608014] print_report+0x118/0x5e0 [ 32.608515] kasan_report_invalid_free+0xb0/0xd8 [ 32.609282] check_slab_allocation+0xd4/0x108 [ 32.609949] __kasan_mempool_poison_object+0x78/0x150 [ 32.610735] mempool_free+0x28c/0x328 [ 32.611411] mempool_double_free_helper+0x150/0x2e0 [ 32.612072] mempool_kmalloc_double_free+0xb8/0x110 [ 32.612808] kunit_try_run_case+0x14c/0x3d0 [ 32.613481] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.614285] kthread+0x24c/0x2d0 [ 32.614763] ret_from_fork+0x10/0x20 [ 32.615475] [ 32.615841] Allocated by task 224: [ 32.616300] kasan_save_stack+0x3c/0x68 [ 32.617175] kasan_save_track+0x20/0x40 [ 32.617652] kasan_save_alloc_info+0x40/0x58 [ 32.618300] __kasan_mempool_unpoison_object+0x11c/0x180 [ 32.619073] remove_element+0x130/0x1f8 [ 32.619639] mempool_alloc_preallocated+0x58/0xc0 [ 32.620275] mempool_double_free_helper+0x94/0x2e0 [ 32.621387] mempool_kmalloc_double_free+0xb8/0x110 [ 32.622193] kunit_try_run_case+0x14c/0x3d0 [ 32.622861] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.623489] kthread+0x24c/0x2d0 [ 32.624385] ret_from_fork+0x10/0x20 [ 32.624912] [ 32.625232] Freed by task 224: [ 32.625727] kasan_save_stack+0x3c/0x68 [ 32.626295] kasan_save_track+0x20/0x40 [ 32.626855] kasan_save_free_info+0x4c/0x78 [ 32.627679] __kasan_mempool_poison_object+0xc0/0x150 [ 32.628535] mempool_free+0x28c/0x328 [ 32.628986] mempool_double_free_helper+0x100/0x2e0 [ 32.629722] mempool_kmalloc_double_free+0xb8/0x110 [ 32.630469] kunit_try_run_case+0x14c/0x3d0 [ 32.631090] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.632142] kthread+0x24c/0x2d0 [ 32.633063] ret_from_fork+0x10/0x20 [ 32.633531] [ 32.633812] The buggy address belongs to the object at fff00000c6567300 [ 32.633812] which belongs to the cache kmalloc-128 of size 128 [ 32.635550] The buggy address is located 0 bytes inside of [ 32.635550] 128-byte region [fff00000c6567300, fff00000c6567380) [ 32.637010] [ 32.637355] The buggy address belongs to the physical page: [ 32.638025] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106567 [ 32.639010] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.640360] page_type: f5(slab) [ 32.640915] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 32.642146] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 32.643476] page dumped because: kasan: bad access detected [ 32.644258] [ 32.644601] Memory state around the buggy address: [ 32.645412] fff00000c6567200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.646463] fff00000c6567280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.647687] >fff00000c6567300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 32.648771] ^ [ 32.649488] fff00000c6567380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.650524] fff00000c6567400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.651347] ================================================================== [ 32.661507] ================================================================== [ 32.662682] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e0 [ 32.663823] Free of addr fff00000c660c000 by task kunit_try_catch/226 [ 32.665355] [ 32.666005] CPU: 1 UID: 0 PID: 226 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241205 #1 [ 32.667277] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.667867] Hardware name: linux,dummy-virt (DT) [ 32.668746] Call trace: [ 32.669271] show_stack+0x20/0x38 (C) [ 32.670002] dump_stack_lvl+0x8c/0xd0 [ 32.670700] print_report+0x118/0x5e0 [ 32.671137] kasan_report_invalid_free+0xb0/0xd8 [ 32.672418] __kasan_mempool_poison_object+0x14c/0x150 [ 32.673114] mempool_free+0x28c/0x328 [ 32.673664] mempool_double_free_helper+0x150/0x2e0 [ 32.674620] mempool_kmalloc_large_double_free+0xb8/0x110 [ 32.675625] kunit_try_run_case+0x14c/0x3d0 [ 32.676172] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.676926] kthread+0x24c/0x2d0 [ 32.677407] ret_from_fork+0x10/0x20 [ 32.678055] [ 32.678438] The buggy address belongs to the physical page: [ 32.679018] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10660c [ 32.680642] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 32.681727] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 32.682764] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 32.683829] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 32.684796] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 32.685688] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 32.686626] head: 0bfffe0000000002 ffffc1ffc3198301 ffffffffffffffff 0000000000000000 [ 32.688343] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 32.689029] page dumped because: kasan: bad access detected [ 32.689591] [ 32.689977] Memory state around the buggy address: [ 32.690544] fff00000c660bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 32.691422] fff00000c660bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 32.692428] >fff00000c660c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 32.693454] ^ [ 32.693907] fff00000c660c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 32.694732] fff00000c660c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 32.695765] ================================================================== [ 32.705798] ================================================================== [ 32.707028] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e0 [ 32.707863] Free of addr fff00000c65d0000 by task kunit_try_catch/228 [ 32.708551] [ 32.709027] CPU: 0 UID: 0 PID: 228 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241205 #1 [ 32.709982] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.710644] Hardware name: linux,dummy-virt (DT) [ 32.711804] Call trace: [ 32.712230] show_stack+0x20/0x38 (C) [ 32.712954] dump_stack_lvl+0x8c/0xd0 [ 32.713591] print_report+0x118/0x5e0 [ 32.714310] kasan_report_invalid_free+0xb0/0xd8 [ 32.715004] __kasan_mempool_poison_pages+0xe0/0xe8 [ 32.715951] mempool_free+0x24c/0x328 [ 32.716460] mempool_double_free_helper+0x150/0x2e0 [ 32.717266] mempool_page_alloc_double_free+0xb4/0x110 [ 32.717999] kunit_try_run_case+0x14c/0x3d0 [ 32.718555] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.719476] kthread+0x24c/0x2d0 [ 32.720054] ret_from_fork+0x10/0x20 [ 32.720669] [ 32.721272] The buggy address belongs to the physical page: [ 32.721982] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065d0 [ 32.723010] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.724220] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 32.725154] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 32.726042] page dumped because: kasan: bad access detected [ 32.726671] [ 32.727038] Memory state around the buggy address: [ 32.727972] fff00000c65cff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.728888] fff00000c65cff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.729753] >fff00000c65d0000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 32.730637] ^ [ 32.731125] fff00000c65d0080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 32.732141] fff00000c65d0100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 32.732548] ==================================================================
[ 30.377914] ================================================================== [ 30.378792] BUG: KASAN: double-free in mempool_double_free_helper+0x185/0x370 [ 30.380111] Free of addr ffff888102a0f400 by task kunit_try_catch/242 [ 30.380650] [ 30.380903] CPU: 1 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241205 #1 [ 30.382908] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.383662] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 30.384824] Call Trace: [ 30.385180] <TASK> [ 30.385565] dump_stack_lvl+0x73/0xb0 [ 30.386091] print_report+0xd1/0x640 [ 30.386732] ? __virt_addr_valid+0x1db/0x2d0 [ 30.387492] ? mempool_double_free_helper+0x185/0x370 [ 30.388510] ? kasan_complete_mode_report_info+0x64/0x200 [ 30.389285] ? mempool_double_free_helper+0x185/0x370 [ 30.389921] kasan_report_invalid_free+0xc0/0xf0 [ 30.390622] ? mempool_double_free_helper+0x185/0x370 [ 30.391067] ? mempool_double_free_helper+0x185/0x370 [ 30.391883] ? mempool_double_free_helper+0x185/0x370 [ 30.392719] check_slab_allocation+0x101/0x130 [ 30.393322] __kasan_mempool_poison_object+0x91/0x1d0 [ 30.394145] mempool_free+0x2ec/0x380 [ 30.394506] mempool_double_free_helper+0x185/0x370 [ 30.395058] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 30.395819] ? finish_task_switch.isra.0+0x153/0x700 [ 30.396457] mempool_kmalloc_double_free+0xb1/0x100 [ 30.397014] ? __pfx_mempool_kmalloc_double_free+0x10/0x10 [ 30.397637] ? __switch_to+0x5d9/0xf60 [ 30.398360] ? __pfx_mempool_kmalloc+0x10/0x10 [ 30.398766] ? __pfx_mempool_kfree+0x10/0x10 [ 30.399297] ? __pfx_read_tsc+0x10/0x10 [ 30.399932] ? ktime_get_ts64+0x86/0x230 [ 30.400434] kunit_try_run_case+0x1b3/0x490 [ 30.401224] ? __pfx_kunit_try_run_case+0x10/0x10 [ 30.401623] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 30.402529] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 30.403142] ? __kthread_parkme+0x82/0x160 [ 30.403633] ? preempt_count_sub+0x50/0x80 [ 30.404297] ? __pfx_kunit_try_run_case+0x10/0x10 [ 30.404770] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 30.405600] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.406251] kthread+0x257/0x310 [ 30.406809] ? __pfx_kthread+0x10/0x10 [ 30.407485] ret_from_fork+0x41/0x80 [ 30.407894] ? __pfx_kthread+0x10/0x10 [ 30.408432] ret_from_fork_asm+0x1a/0x30 [ 30.409087] </TASK> [ 30.409561] [ 30.409805] Allocated by task 242: [ 30.410286] kasan_save_stack+0x3d/0x60 [ 30.410742] kasan_save_track+0x18/0x40 [ 30.411287] kasan_save_alloc_info+0x3b/0x50 [ 30.412047] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 30.412484] remove_element+0x11e/0x190 [ 30.413270] mempool_alloc_preallocated+0x4d/0x90 [ 30.413803] mempool_double_free_helper+0x8b/0x370 [ 30.414429] mempool_kmalloc_double_free+0xb1/0x100 [ 30.415166] kunit_try_run_case+0x1b3/0x490 [ 30.415572] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.416289] kthread+0x257/0x310 [ 30.416768] ret_from_fork+0x41/0x80 [ 30.417329] ret_from_fork_asm+0x1a/0x30 [ 30.417802] [ 30.418201] Freed by task 242: [ 30.418465] kasan_save_stack+0x3d/0x60 [ 30.419015] kasan_save_track+0x18/0x40 [ 30.419531] kasan_save_free_info+0x3f/0x60 [ 30.420848] __kasan_mempool_poison_object+0x131/0x1d0 [ 30.422304] mempool_free+0x2ec/0x380 [ 30.422727] mempool_double_free_helper+0x10a/0x370 [ 30.423476] mempool_kmalloc_double_free+0xb1/0x100 [ 30.424325] kunit_try_run_case+0x1b3/0x490 [ 30.424986] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.425697] kthread+0x257/0x310 [ 30.426111] ret_from_fork+0x41/0x80 [ 30.426926] ret_from_fork_asm+0x1a/0x30 [ 30.427448] [ 30.427743] The buggy address belongs to the object at ffff888102a0f400 [ 30.427743] which belongs to the cache kmalloc-128 of size 128 [ 30.429217] The buggy address is located 0 bytes inside of [ 30.429217] 128-byte region [ffff888102a0f400, ffff888102a0f480) [ 30.431229] [ 30.431340] The buggy address belongs to the physical page: [ 30.431563] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a0f [ 30.432010] flags: 0x200000000000000(node=0|zone=2) [ 30.433560] page_type: f5(slab) [ 30.434002] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 30.434769] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.435658] page dumped because: kasan: bad access detected [ 30.436274] [ 30.436528] Memory state around the buggy address: [ 30.437235] ffff888102a0f300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.438078] ffff888102a0f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.438739] >ffff888102a0f400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.439945] ^ [ 30.440180] ffff888102a0f480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.441178] ffff888102a0f500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.441894] ================================================================== [ 30.450540] ================================================================== [ 30.451739] BUG: KASAN: double-free in mempool_double_free_helper+0x185/0x370 [ 30.452654] Free of addr ffff888102d60000 by task kunit_try_catch/244 [ 30.453262] [ 30.453447] CPU: 0 UID: 0 PID: 244 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241205 #1 [ 30.455573] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.456056] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 30.457245] Call Trace: [ 30.457582] <TASK> [ 30.457818] dump_stack_lvl+0x73/0xb0 [ 30.458485] print_report+0xd1/0x640 [ 30.458829] ? __virt_addr_valid+0x1db/0x2d0 [ 30.459443] ? mempool_double_free_helper+0x185/0x370 [ 30.460120] ? kasan_addr_to_slab+0x11/0xa0 [ 30.460624] ? mempool_double_free_helper+0x185/0x370 [ 30.461276] kasan_report_invalid_free+0xc0/0xf0 [ 30.461708] ? mempool_double_free_helper+0x185/0x370 [ 30.462421] ? mempool_double_free_helper+0x185/0x370 [ 30.462959] __kasan_mempool_poison_object+0x1b3/0x1d0 [ 30.463771] mempool_free+0x2ec/0x380 [ 30.464150] mempool_double_free_helper+0x185/0x370 [ 30.464672] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 30.465216] ? finish_task_switch.isra.0+0x153/0x700 [ 30.465634] mempool_kmalloc_large_double_free+0xb1/0x100 [ 30.466271] ? __pfx_mempool_kmalloc_large_double_free+0x10/0x10 [ 30.467117] ? __switch_to+0x5d9/0xf60 [ 30.467581] ? __pfx_mempool_kmalloc+0x10/0x10 [ 30.468210] ? __pfx_mempool_kfree+0x10/0x10 [ 30.468544] ? __pfx_read_tsc+0x10/0x10 [ 30.469174] ? ktime_get_ts64+0x86/0x230 [ 30.469630] kunit_try_run_case+0x1b3/0x490 [ 30.470500] ? __pfx_kunit_try_run_case+0x10/0x10 [ 30.470875] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 30.471548] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 30.472193] ? __kthread_parkme+0x82/0x160 [ 30.472615] ? preempt_count_sub+0x50/0x80 [ 30.473143] ? __pfx_kunit_try_run_case+0x10/0x10 [ 30.473598] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 30.474275] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.474906] kthread+0x257/0x310 [ 30.475550] ? __pfx_kthread+0x10/0x10 [ 30.476225] ret_from_fork+0x41/0x80 [ 30.476565] ? __pfx_kthread+0x10/0x10 [ 30.477316] ret_from_fork_asm+0x1a/0x30 [ 30.477979] </TASK> [ 30.478218] [ 30.478663] The buggy address belongs to the physical page: [ 30.478946] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102d60 [ 30.480535] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 30.481417] flags: 0x200000000000040(head|node=0|zone=2) [ 30.481928] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 30.482631] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 30.483853] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 30.484745] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 30.486483] head: 0200000000000002 ffffea00040b5801 ffffffffffffffff 0000000000000000 [ 30.487416] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 30.487757] page dumped because: kasan: bad access detected [ 30.488644] [ 30.489219] Memory state around the buggy address: [ 30.489713] ffff888102d5ff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.490501] ffff888102d5ff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.491270] >ffff888102d60000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.491939] ^ [ 30.492611] ffff888102d60080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.493395] ffff888102d60100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.494352] ================================================================== [ 30.500317] ================================================================== [ 30.501579] BUG: KASAN: double-free in mempool_double_free_helper+0x185/0x370 [ 30.502627] Free of addr ffff888102d60000 by task kunit_try_catch/246 [ 30.503339] [ 30.503562] CPU: 0 UID: 0 PID: 246 Comm: kunit_try_catch Tainted: G B N 6.13.0-rc1-next-20241205 #1 [ 30.505472] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.506283] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 30.507279] Call Trace: [ 30.507510] <TASK> [ 30.508215] dump_stack_lvl+0x73/0xb0 [ 30.508507] print_report+0xd1/0x640 [ 30.509003] ? __virt_addr_valid+0x1db/0x2d0 [ 30.509803] ? mempool_double_free_helper+0x185/0x370 [ 30.510371] ? kasan_addr_to_slab+0x11/0xa0 [ 30.511379] ? mempool_double_free_helper+0x185/0x370 [ 30.512195] kasan_report_invalid_free+0xc0/0xf0 [ 30.512629] ? mempool_double_free_helper+0x185/0x370 [ 30.513343] ? mempool_double_free_helper+0x185/0x370 [ 30.514355] __kasan_mempool_poison_pages+0x115/0x130 [ 30.514830] mempool_free+0x290/0x380 [ 30.515543] mempool_double_free_helper+0x185/0x370 [ 30.516742] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 30.517296] mempool_page_alloc_double_free+0xac/0x100 [ 30.518006] ? __pfx_mempool_page_alloc_double_free+0x10/0x10 [ 30.518673] ? __switch_to+0x5d9/0xf60 [ 30.519224] ? __pfx_mempool_alloc_pages+0x10/0x10 [ 30.520290] ? __pfx_mempool_free_pages+0x10/0x10 [ 30.520783] ? __pfx_read_tsc+0x10/0x10 [ 30.521451] ? ktime_get_ts64+0x86/0x230 [ 30.522251] kunit_try_run_case+0x1b3/0x490 [ 30.523208] ? __pfx_kunit_try_run_case+0x10/0x10 [ 30.523715] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 30.524411] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 30.525411] ? __kthread_parkme+0x82/0x160 [ 30.525925] ? preempt_count_sub+0x50/0x80 [ 30.526306] ? __pfx_kunit_try_run_case+0x10/0x10 [ 30.526758] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 30.527207] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 30.528280] kthread+0x257/0x310 [ 30.528709] ? __pfx_kthread+0x10/0x10 [ 30.529319] ret_from_fork+0x41/0x80 [ 30.529735] ? __pfx_kthread+0x10/0x10 [ 30.530717] ret_from_fork_asm+0x1a/0x30 [ 30.531210] </TASK> [ 30.531562] [ 30.531813] The buggy address belongs to the physical page: [ 30.532766] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102d60 [ 30.533971] flags: 0x200000000000000(node=0|zone=2) [ 30.534496] raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000 [ 30.535749] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 30.536557] page dumped because: kasan: bad access detected [ 30.537429] [ 30.537937] Memory state around the buggy address: [ 30.538398] ffff888102d5ff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.539542] ffff888102d5ff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.540807] >ffff888102d60000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.541338] ^ [ 30.542197] ffff888102d60080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.542774] ffff888102d60100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 30.543475] ==================================================================