Date
July 8, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.334644] ================================================================== [ 21.335082] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e8 [ 21.335274] Free of addr fff00000c7818000 by task kunit_try_catch/237 [ 21.335323] [ 21.335362] CPU: 0 UID: 0 PID: 237 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 21.335780] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.335973] Hardware name: linux,dummy-virt (DT) [ 21.336041] Call trace: [ 21.336148] show_stack+0x20/0x38 (C) [ 21.336304] dump_stack_lvl+0x8c/0xd0 [ 21.336473] print_report+0x118/0x608 [ 21.336744] kasan_report_invalid_free+0xc0/0xe8 [ 21.336906] __kasan_mempool_poison_object+0x14c/0x150 [ 21.336993] mempool_free+0x28c/0x328 [ 21.337166] mempool_double_free_helper+0x150/0x2e8 [ 21.337264] mempool_kmalloc_large_double_free+0xc0/0x118 [ 21.337360] kunit_try_run_case+0x170/0x3f0 [ 21.337562] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.337614] kthread+0x328/0x630 [ 21.337665] ret_from_fork+0x10/0x20 [ 21.337817] [ 21.337849] The buggy address belongs to the physical page: [ 21.337904] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107818 [ 21.337960] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 21.338060] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 21.338125] page_type: f8(unknown) [ 21.338183] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.338245] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 21.338309] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.338380] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 21.338438] head: 0bfffe0000000002 ffffc1ffc31e0601 00000000ffffffff 00000000ffffffff [ 21.338504] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 21.338545] page dumped because: kasan: bad access detected [ 21.338584] [ 21.338610] Memory state around the buggy address: [ 21.338649] fff00000c7817f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.338692] fff00000c7817f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.338735] >fff00000c7818000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.338773] ^ [ 21.338824] fff00000c7818080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.338879] fff00000c7818100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.338924] ================================================================== [ 21.349607] ================================================================== [ 21.349667] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e8 [ 21.349725] Free of addr fff00000c7818000 by task kunit_try_catch/239 [ 21.349768] [ 21.349799] CPU: 0 UID: 0 PID: 239 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 21.349881] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.350027] Hardware name: linux,dummy-virt (DT) [ 21.350072] Call trace: [ 21.350095] show_stack+0x20/0x38 (C) [ 21.350148] dump_stack_lvl+0x8c/0xd0 [ 21.350208] print_report+0x118/0x608 [ 21.350254] kasan_report_invalid_free+0xc0/0xe8 [ 21.350321] __kasan_mempool_poison_pages+0xe0/0xe8 [ 21.350378] mempool_free+0x24c/0x328 [ 21.350422] mempool_double_free_helper+0x150/0x2e8 [ 21.350471] mempool_page_alloc_double_free+0xbc/0x118 [ 21.350523] kunit_try_run_case+0x170/0x3f0 [ 21.350573] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.350633] kthread+0x328/0x630 [ 21.350676] ret_from_fork+0x10/0x20 [ 21.350732] [ 21.350751] The buggy address belongs to the physical page: [ 21.350782] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107818 [ 21.350842] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.350907] raw: 0bfffe0000000000 0000000000000000 dead000000000122 0000000000000000 [ 21.350957] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 21.351004] page dumped because: kasan: bad access detected [ 21.351035] [ 21.351052] Memory state around the buggy address: [ 21.351094] fff00000c7817f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.351145] fff00000c7817f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.351966] >fff00000c7818000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.352011] ^ [ 21.352041] fff00000c7818080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.352494] fff00000c7818100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 21.352562] ================================================================== [ 21.322478] ================================================================== [ 21.322536] BUG: KASAN: double-free in mempool_double_free_helper+0x150/0x2e8 [ 21.322589] Free of addr fff00000c7706a00 by task kunit_try_catch/235 [ 21.322632] [ 21.323089] CPU: 0 UID: 0 PID: 235 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 21.323196] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.323248] Hardware name: linux,dummy-virt (DT) [ 21.323352] Call trace: [ 21.323377] show_stack+0x20/0x38 (C) [ 21.323428] dump_stack_lvl+0x8c/0xd0 [ 21.323474] print_report+0x118/0x608 [ 21.323549] kasan_report_invalid_free+0xc0/0xe8 [ 21.323598] check_slab_allocation+0xd4/0x108 [ 21.323834] __kasan_mempool_poison_object+0x78/0x150 [ 21.323907] mempool_free+0x28c/0x328 [ 21.324013] mempool_double_free_helper+0x150/0x2e8 [ 21.324136] mempool_kmalloc_double_free+0xc0/0x118 [ 21.324195] kunit_try_run_case+0x170/0x3f0 [ 21.324244] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.324319] kthread+0x328/0x630 [ 21.324393] ret_from_fork+0x10/0x20 [ 21.324447] [ 21.324528] Allocated by task 235: [ 21.324584] kasan_save_stack+0x3c/0x68 [ 21.324691] kasan_save_track+0x20/0x40 [ 21.324756] kasan_save_alloc_info+0x40/0x58 [ 21.324855] __kasan_mempool_unpoison_object+0x11c/0x180 [ 21.324949] remove_element+0x130/0x1f8 [ 21.325021] mempool_alloc_preallocated+0x58/0xc0 [ 21.325104] mempool_double_free_helper+0x94/0x2e8 [ 21.325394] mempool_kmalloc_double_free+0xc0/0x118 [ 21.325438] kunit_try_run_case+0x170/0x3f0 [ 21.325476] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.325519] kthread+0x328/0x630 [ 21.325550] ret_from_fork+0x10/0x20 [ 21.325587] [ 21.325605] Freed by task 235: [ 21.325644] kasan_save_stack+0x3c/0x68 [ 21.325795] kasan_save_track+0x20/0x40 [ 21.325831] kasan_save_free_info+0x4c/0x78 [ 21.325888] __kasan_mempool_poison_object+0xc0/0x150 [ 21.325930] mempool_free+0x28c/0x328 [ 21.325964] mempool_double_free_helper+0x100/0x2e8 [ 21.326003] mempool_kmalloc_double_free+0xc0/0x118 [ 21.326043] kunit_try_run_case+0x170/0x3f0 [ 21.326079] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.326131] kthread+0x328/0x630 [ 21.326172] ret_from_fork+0x10/0x20 [ 21.326208] [ 21.326225] The buggy address belongs to the object at fff00000c7706a00 [ 21.326225] which belongs to the cache kmalloc-128 of size 128 [ 21.326487] The buggy address is located 0 bytes inside of [ 21.326487] 128-byte region [fff00000c7706a00, fff00000c7706a80) [ 21.326702] [ 21.326729] The buggy address belongs to the physical page: [ 21.326759] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107706 [ 21.326813] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.326878] page_type: f5(slab) [ 21.326921] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 21.326974] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 21.327014] page dumped because: kasan: bad access detected [ 21.327096] [ 21.327114] Memory state around the buggy address: [ 21.327256] fff00000c7706900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.327451] fff00000c7706980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.327541] >fff00000c7706a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 21.327580] ^ [ 21.327609] fff00000c7706a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.327670] fff00000c7706b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.327710] ==================================================================
[ 14.183016] ================================================================== [ 14.183571] BUG: KASAN: double-free in mempool_double_free_helper+0x184/0x370 [ 14.183965] Free of addr ffff888102b9f100 by task kunit_try_catch/253 [ 14.184211] [ 14.184396] CPU: 0 UID: 0 PID: 253 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.184443] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.184454] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.184476] Call Trace: [ 14.184487] <TASK> [ 14.184502] dump_stack_lvl+0x73/0xb0 [ 14.184572] print_report+0xd1/0x650 [ 14.184595] ? __virt_addr_valid+0x1db/0x2d0 [ 14.184635] ? kasan_complete_mode_report_info+0x64/0x200 [ 14.184676] ? mempool_double_free_helper+0x184/0x370 [ 14.184702] kasan_report_invalid_free+0x10a/0x130 [ 14.184727] ? mempool_double_free_helper+0x184/0x370 [ 14.184752] ? mempool_double_free_helper+0x184/0x370 [ 14.184776] ? mempool_double_free_helper+0x184/0x370 [ 14.184800] check_slab_allocation+0x101/0x130 [ 14.184842] __kasan_mempool_poison_object+0x91/0x1d0 [ 14.184868] mempool_free+0x2ec/0x380 [ 14.184892] ? __wake_up+0x49/0x60 [ 14.184918] mempool_double_free_helper+0x184/0x370 [ 14.184943] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 14.184967] ? update_load_avg+0x1be/0x21b0 [ 14.184990] ? update_load_avg+0x1be/0x21b0 [ 14.185089] ? update_curr+0x80/0x810 [ 14.185138] ? finish_task_switch.isra.0+0x153/0x700 [ 14.185178] mempool_kmalloc_double_free+0xed/0x140 [ 14.185203] ? __pfx_mempool_kmalloc_double_free+0x10/0x10 [ 14.185231] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.185255] ? __pfx_mempool_kfree+0x10/0x10 [ 14.185280] ? __pfx_read_tsc+0x10/0x10 [ 14.185303] ? ktime_get_ts64+0x86/0x230 [ 14.185328] kunit_try_run_case+0x1a5/0x480 [ 14.185354] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.185377] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.185402] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.185426] ? __kthread_parkme+0x82/0x180 [ 14.185447] ? preempt_count_sub+0x50/0x80 [ 14.185471] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.185495] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.185530] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.185555] kthread+0x337/0x6f0 [ 14.185574] ? trace_preempt_on+0x20/0xc0 [ 14.185610] ? __pfx_kthread+0x10/0x10 [ 14.185631] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.185652] ? calculate_sigpending+0x7b/0xa0 [ 14.185678] ? __pfx_kthread+0x10/0x10 [ 14.185699] ret_from_fork+0x116/0x1d0 [ 14.185723] ? __pfx_kthread+0x10/0x10 [ 14.185743] ret_from_fork_asm+0x1a/0x30 [ 14.185776] </TASK> [ 14.185787] [ 14.198316] Allocated by task 253: [ 14.198522] kasan_save_stack+0x45/0x70 [ 14.198702] kasan_save_track+0x18/0x40 [ 14.198890] kasan_save_alloc_info+0x3b/0x50 [ 14.199169] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 14.199393] remove_element+0x11e/0x190 [ 14.199612] mempool_alloc_preallocated+0x4d/0x90 [ 14.199771] mempool_double_free_helper+0x8a/0x370 [ 14.200058] mempool_kmalloc_double_free+0xed/0x140 [ 14.200296] kunit_try_run_case+0x1a5/0x480 [ 14.200499] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.200735] kthread+0x337/0x6f0 [ 14.200962] ret_from_fork+0x116/0x1d0 [ 14.201145] ret_from_fork_asm+0x1a/0x30 [ 14.201327] [ 14.201397] Freed by task 253: [ 14.201506] kasan_save_stack+0x45/0x70 [ 14.201872] kasan_save_track+0x18/0x40 [ 14.202242] kasan_save_free_info+0x3f/0x60 [ 14.202450] __kasan_mempool_poison_object+0x131/0x1d0 [ 14.202693] mempool_free+0x2ec/0x380 [ 14.202825] mempool_double_free_helper+0x109/0x370 [ 14.203183] mempool_kmalloc_double_free+0xed/0x140 [ 14.203426] kunit_try_run_case+0x1a5/0x480 [ 14.203642] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.204017] kthread+0x337/0x6f0 [ 14.204157] ret_from_fork+0x116/0x1d0 [ 14.204290] ret_from_fork_asm+0x1a/0x30 [ 14.204486] [ 14.204583] The buggy address belongs to the object at ffff888102b9f100 [ 14.204583] which belongs to the cache kmalloc-128 of size 128 [ 14.205151] The buggy address is located 0 bytes inside of [ 14.205151] 128-byte region [ffff888102b9f100, ffff888102b9f180) [ 14.205576] [ 14.205661] The buggy address belongs to the physical page: [ 14.205860] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b9f [ 14.206419] flags: 0x200000000000000(node=0|zone=2) [ 14.206653] page_type: f5(slab) [ 14.206780] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 14.207460] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 14.207849] page dumped because: kasan: bad access detected [ 14.208049] [ 14.208181] Memory state around the buggy address: [ 14.208440] ffff888102b9f000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.208707] ffff888102b9f080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.209077] >ffff888102b9f100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.209313] ^ [ 14.209425] ffff888102b9f180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.210195] ffff888102b9f200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.210416] ================================================================== [ 14.235437] ================================================================== [ 14.236057] BUG: KASAN: double-free in mempool_double_free_helper+0x184/0x370 [ 14.236550] Free of addr ffff88810298c000 by task kunit_try_catch/257 [ 14.236802] [ 14.236913] CPU: 0 UID: 0 PID: 257 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.237013] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.237025] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.237046] Call Trace: [ 14.237057] <TASK> [ 14.237072] dump_stack_lvl+0x73/0xb0 [ 14.237102] print_report+0xd1/0x650 [ 14.237124] ? __virt_addr_valid+0x1db/0x2d0 [ 14.237149] ? kasan_addr_to_slab+0x11/0xa0 [ 14.237169] ? mempool_double_free_helper+0x184/0x370 [ 14.237195] kasan_report_invalid_free+0x10a/0x130 [ 14.237220] ? mempool_double_free_helper+0x184/0x370 [ 14.237247] ? mempool_double_free_helper+0x184/0x370 [ 14.237271] __kasan_mempool_poison_pages+0x115/0x130 [ 14.237297] mempool_free+0x290/0x380 [ 14.237324] mempool_double_free_helper+0x184/0x370 [ 14.237348] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 14.237374] ? __kasan_check_write+0x18/0x20 [ 14.237395] ? __pfx_sched_clock_cpu+0x10/0x10 [ 14.237418] ? finish_task_switch.isra.0+0x153/0x700 [ 14.237444] mempool_page_alloc_double_free+0xe8/0x140 [ 14.237470] ? __pfx_mempool_page_alloc_double_free+0x10/0x10 [ 14.237500] ? __pfx_mempool_alloc_pages+0x10/0x10 [ 14.237524] ? __pfx_mempool_free_pages+0x10/0x10 [ 14.237551] ? __pfx_read_tsc+0x10/0x10 [ 14.237573] ? ktime_get_ts64+0x86/0x230 [ 14.237610] kunit_try_run_case+0x1a5/0x480 [ 14.237635] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.237657] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.237682] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.237709] ? __kthread_parkme+0x82/0x180 [ 14.237730] ? preempt_count_sub+0x50/0x80 [ 14.237753] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.237777] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.237802] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.237828] kthread+0x337/0x6f0 [ 14.237847] ? trace_preempt_on+0x20/0xc0 [ 14.237869] ? __pfx_kthread+0x10/0x10 [ 14.237889] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.237911] ? calculate_sigpending+0x7b/0xa0 [ 14.237945] ? __pfx_kthread+0x10/0x10 [ 14.237966] ret_from_fork+0x116/0x1d0 [ 14.237985] ? __pfx_kthread+0x10/0x10 [ 14.238005] ret_from_fork_asm+0x1a/0x30 [ 14.238037] </TASK> [ 14.238047] [ 14.246700] The buggy address belongs to the physical page: [ 14.247037] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10298c [ 14.247311] flags: 0x200000000000000(node=0|zone=2) [ 14.247487] raw: 0200000000000000 0000000000000000 dead000000000122 0000000000000000 [ 14.247846] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 14.248574] page dumped because: kasan: bad access detected [ 14.248810] [ 14.248883] Memory state around the buggy address: [ 14.249199] ffff88810298bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 14.249488] ffff88810298bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 14.249820] >ffff88810298c000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 14.250171] ^ [ 14.250312] ffff88810298c080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 14.250627] ffff88810298c100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 14.250901] ================================================================== [ 14.213902] ================================================================== [ 14.214405] BUG: KASAN: double-free in mempool_double_free_helper+0x184/0x370 [ 14.214762] Free of addr ffff888103b34000 by task kunit_try_catch/255 [ 14.215088] [ 14.215194] CPU: 1 UID: 0 PID: 255 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.215242] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.215254] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.215276] Call Trace: [ 14.215290] <TASK> [ 14.215308] dump_stack_lvl+0x73/0xb0 [ 14.215341] print_report+0xd1/0x650 [ 14.215364] ? __virt_addr_valid+0x1db/0x2d0 [ 14.215390] ? kasan_addr_to_slab+0x11/0xa0 [ 14.215410] ? mempool_double_free_helper+0x184/0x370 [ 14.215436] kasan_report_invalid_free+0x10a/0x130 [ 14.215462] ? mempool_double_free_helper+0x184/0x370 [ 14.215490] ? mempool_double_free_helper+0x184/0x370 [ 14.215530] __kasan_mempool_poison_object+0x1b3/0x1d0 [ 14.215556] mempool_free+0x2ec/0x380 [ 14.215584] mempool_double_free_helper+0x184/0x370 [ 14.215622] ? __pfx_mempool_double_free_helper+0x10/0x10 [ 14.215647] ? update_load_avg+0x1be/0x21b0 [ 14.215675] ? finish_task_switch.isra.0+0x153/0x700 [ 14.215704] mempool_kmalloc_large_double_free+0xed/0x140 [ 14.215731] ? __pfx_mempool_kmalloc_large_double_free+0x10/0x10 [ 14.215761] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.215786] ? __pfx_mempool_kfree+0x10/0x10 [ 14.215812] ? __pfx_read_tsc+0x10/0x10 [ 14.215834] ? ktime_get_ts64+0x86/0x230 [ 14.215860] kunit_try_run_case+0x1a5/0x480 [ 14.215887] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.215910] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.215947] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.215971] ? __kthread_parkme+0x82/0x180 [ 14.215992] ? preempt_count_sub+0x50/0x80 [ 14.216016] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.216042] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.216067] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.216093] kthread+0x337/0x6f0 [ 14.216112] ? trace_preempt_on+0x20/0xc0 [ 14.216137] ? __pfx_kthread+0x10/0x10 [ 14.216157] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.216179] ? calculate_sigpending+0x7b/0xa0 [ 14.216206] ? __pfx_kthread+0x10/0x10 [ 14.216229] ret_from_fork+0x116/0x1d0 [ 14.216248] ? __pfx_kthread+0x10/0x10 [ 14.216269] ret_from_fork_asm+0x1a/0x30 [ 14.216303] </TASK> [ 14.216314] [ 14.225043] The buggy address belongs to the physical page: [ 14.225310] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103b34 [ 14.225722] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 14.226096] flags: 0x200000000000040(head|node=0|zone=2) [ 14.226300] page_type: f8(unknown) [ 14.226426] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.226731] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.227144] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.227471] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.227824] head: 0200000000000002 ffffea00040ecd01 00000000ffffffff 00000000ffffffff [ 14.228288] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 14.228521] page dumped because: kasan: bad access detected [ 14.228806] [ 14.228899] Memory state around the buggy address: [ 14.229143] ffff888103b33f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 14.229460] ffff888103b33f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 14.229866] >ffff888103b34000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 14.230203] ^ [ 14.230329] ffff888103b34080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 14.230581] ffff888103b34100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 14.230962] ==================================================================