Date
July 19, 2025, 11:12 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.412293] ================================================================== [ 17.412359] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 17.412416] Free of addr fff00000c790e101 by task kunit_try_catch/241 [ 17.412471] [ 17.412504] CPU: 0 UID: 0 PID: 241 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.412612] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.412948] Hardware name: linux,dummy-virt (DT) [ 17.413043] Call trace: [ 17.413089] show_stack+0x20/0x38 (C) [ 17.413139] dump_stack_lvl+0x8c/0xd0 [ 17.413197] print_report+0x118/0x5d0 [ 17.413359] kasan_report_invalid_free+0xc0/0xe8 [ 17.413427] check_slab_allocation+0xfc/0x108 [ 17.413488] __kasan_mempool_poison_object+0x78/0x150 [ 17.413703] mempool_free+0x28c/0x328 [ 17.413749] mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 17.413801] mempool_kmalloc_invalid_free+0xc0/0x118 [ 17.413871] kunit_try_run_case+0x170/0x3f0 [ 17.414089] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.414204] kthread+0x328/0x630 [ 17.414309] ret_from_fork+0x10/0x20 [ 17.414533] [ 17.414607] Allocated by task 241: [ 17.414638] kasan_save_stack+0x3c/0x68 [ 17.414938] kasan_save_track+0x20/0x40 [ 17.415127] kasan_save_alloc_info+0x40/0x58 [ 17.415168] __kasan_mempool_unpoison_object+0x11c/0x180 [ 17.415210] remove_element+0x130/0x1f8 [ 17.415245] mempool_alloc_preallocated+0x58/0xc0 [ 17.415283] mempool_kmalloc_invalid_free_helper+0x94/0x2a8 [ 17.415325] mempool_kmalloc_invalid_free+0xc0/0x118 [ 17.415460] kunit_try_run_case+0x170/0x3f0 [ 17.415500] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.415542] kthread+0x328/0x630 [ 17.416032] ret_from_fork+0x10/0x20 [ 17.416245] [ 17.416301] The buggy address belongs to the object at fff00000c790e100 [ 17.416301] which belongs to the cache kmalloc-128 of size 128 [ 17.416361] The buggy address is located 1 bytes inside of [ 17.416361] 128-byte region [fff00000c790e100, fff00000c790e180) [ 17.416420] [ 17.416441] The buggy address belongs to the physical page: [ 17.416521] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10790e [ 17.416767] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.416820] page_type: f5(slab) [ 17.417008] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.417077] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.417119] page dumped because: kasan: bad access detected [ 17.417152] [ 17.417169] Memory state around the buggy address: [ 17.417201] fff00000c790e000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.417244] fff00000c790e080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.417348] >fff00000c790e100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.417432] ^ [ 17.417506] fff00000c790e180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.417583] fff00000c790e200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.418195] ================================================================== [ 17.427304] ================================================================== [ 17.427368] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 17.427422] Free of addr fff00000c78e8001 by task kunit_try_catch/243 [ 17.427463] [ 17.427492] CPU: 0 UID: 0 PID: 243 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 17.427653] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.427679] Hardware name: linux,dummy-virt (DT) [ 17.427722] Call trace: [ 17.427743] show_stack+0x20/0x38 (C) [ 17.427793] dump_stack_lvl+0x8c/0xd0 [ 17.428119] print_report+0x118/0x5d0 [ 17.428245] kasan_report_invalid_free+0xc0/0xe8 [ 17.428302] __kasan_mempool_poison_object+0xfc/0x150 [ 17.428372] mempool_free+0x28c/0x328 [ 17.428417] mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 17.428469] mempool_kmalloc_large_invalid_free+0xc0/0x118 [ 17.428543] kunit_try_run_case+0x170/0x3f0 [ 17.428593] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.428645] kthread+0x328/0x630 [ 17.428696] ret_from_fork+0x10/0x20 [ 17.428988] [ 17.429011] The buggy address belongs to the physical page: [ 17.429044] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1078e8 [ 17.429098] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 17.429155] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 17.429208] page_type: f8(unknown) [ 17.429270] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.429611] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.429665] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.429726] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.429776] head: 0bfffe0000000002 ffffc1ffc31e3a01 00000000ffffffff 00000000ffffffff [ 17.429965] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 17.430028] page dumped because: kasan: bad access detected [ 17.430130] [ 17.430172] Memory state around the buggy address: [ 17.430272] fff00000c78e7f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.430401] fff00000c78e7f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 17.430515] >fff00000c78e8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.430554] ^ [ 17.430612] fff00000c78e8080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.430779] fff00000c78e8100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.430896] ==================================================================
[ 13.720182] ================================================================== [ 13.721289] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.721842] Free of addr ffff888102fd1a01 by task kunit_try_catch/258 [ 13.722122] [ 13.722230] CPU: 0 UID: 0 PID: 258 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.722273] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.722284] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.722304] Call Trace: [ 13.722315] <TASK> [ 13.722329] dump_stack_lvl+0x73/0xb0 [ 13.722359] print_report+0xd1/0x610 [ 13.722380] ? __virt_addr_valid+0x1db/0x2d0 [ 13.722402] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.722423] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.722448] kasan_report_invalid_free+0x10a/0x130 [ 13.722471] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.722497] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.722520] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.722543] check_slab_allocation+0x11f/0x130 [ 13.722564] __kasan_mempool_poison_object+0x91/0x1d0 [ 13.722587] mempool_free+0x2ec/0x380 [ 13.722613] mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.722638] ? __pfx_mempool_kmalloc_invalid_free_helper+0x10/0x10 [ 13.722663] ? __kasan_check_write+0x18/0x20 [ 13.722682] ? __pfx_sched_clock_cpu+0x10/0x10 [ 13.722702] ? finish_task_switch.isra.0+0x153/0x700 [ 13.722727] mempool_kmalloc_invalid_free+0xed/0x140 [ 13.722749] ? __pfx_mempool_kmalloc_invalid_free+0x10/0x10 [ 13.722775] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.722796] ? __pfx_mempool_kfree+0x10/0x10 [ 13.722820] ? __pfx_read_tsc+0x10/0x10 [ 13.722840] ? ktime_get_ts64+0x86/0x230 [ 13.722863] kunit_try_run_case+0x1a5/0x480 [ 13.722887] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.722909] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.722932] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.722955] ? __kthread_parkme+0x82/0x180 [ 13.722974] ? preempt_count_sub+0x50/0x80 [ 13.722996] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.723031] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.723053] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.723077] kthread+0x337/0x6f0 [ 13.723096] ? trace_preempt_on+0x20/0xc0 [ 13.723119] ? __pfx_kthread+0x10/0x10 [ 13.723139] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.723159] ? calculate_sigpending+0x7b/0xa0 [ 13.723183] ? __pfx_kthread+0x10/0x10 [ 13.723203] ret_from_fork+0x116/0x1d0 [ 13.723221] ? __pfx_kthread+0x10/0x10 [ 13.723240] ret_from_fork_asm+0x1a/0x30 [ 13.723270] </TASK> [ 13.723280] [ 13.732510] Allocated by task 258: [ 13.732696] kasan_save_stack+0x45/0x70 [ 13.732903] kasan_save_track+0x18/0x40 [ 13.733114] kasan_save_alloc_info+0x3b/0x50 [ 13.733298] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 13.733602] remove_element+0x11e/0x190 [ 13.733796] mempool_alloc_preallocated+0x4d/0x90 [ 13.733970] mempool_kmalloc_invalid_free_helper+0x83/0x2e0 [ 13.734210] mempool_kmalloc_invalid_free+0xed/0x140 [ 13.734597] kunit_try_run_case+0x1a5/0x480 [ 13.734798] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.735034] kthread+0x337/0x6f0 [ 13.735193] ret_from_fork+0x116/0x1d0 [ 13.735423] ret_from_fork_asm+0x1a/0x30 [ 13.735602] [ 13.735702] The buggy address belongs to the object at ffff888102fd1a00 [ 13.735702] which belongs to the cache kmalloc-128 of size 128 [ 13.736183] The buggy address is located 1 bytes inside of [ 13.736183] 128-byte region [ffff888102fd1a00, ffff888102fd1a80) [ 13.736700] [ 13.736802] The buggy address belongs to the physical page: [ 13.737045] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102fd1 [ 13.737350] flags: 0x200000000000000(node=0|zone=2) [ 13.737513] page_type: f5(slab) [ 13.737632] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 13.737862] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 13.738137] page dumped because: kasan: bad access detected [ 13.738387] [ 13.738499] Memory state around the buggy address: [ 13.738720] ffff888102fd1900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 13.739043] ffff888102fd1980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.739258] >ffff888102fd1a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.739803] ^ [ 13.739980] ffff888102fd1a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.740309] ffff888102fd1b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.740761] ================================================================== [ 13.745938] ================================================================== [ 13.746419] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.746960] Free of addr ffff8881039f8001 by task kunit_try_catch/260 [ 13.747223] [ 13.747333] CPU: 1 UID: 0 PID: 260 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 13.747375] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.747386] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.747407] Call Trace: [ 13.747418] <TASK> [ 13.747431] dump_stack_lvl+0x73/0xb0 [ 13.747458] print_report+0xd1/0x610 [ 13.747479] ? __virt_addr_valid+0x1db/0x2d0 [ 13.747514] ? kasan_addr_to_slab+0x11/0xa0 [ 13.747533] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.747558] kasan_report_invalid_free+0x10a/0x130 [ 13.747581] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.747608] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.747631] __kasan_mempool_poison_object+0x102/0x1d0 [ 13.747654] mempool_free+0x2ec/0x380 [ 13.747679] mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 13.747704] ? __pfx_mempool_kmalloc_invalid_free_helper+0x10/0x10 [ 13.747730] ? __pfx_sched_clock_cpu+0x10/0x10 [ 13.747751] ? finish_task_switch.isra.0+0x153/0x700 [ 13.747775] mempool_kmalloc_large_invalid_free+0xed/0x140 [ 13.747799] ? __pfx_mempool_kmalloc_large_invalid_free+0x10/0x10 [ 13.747826] ? __pfx_mempool_kmalloc+0x10/0x10 [ 13.747848] ? __pfx_mempool_kfree+0x10/0x10 [ 13.747873] ? __pfx_read_tsc+0x10/0x10 [ 13.747893] ? ktime_get_ts64+0x86/0x230 [ 13.747916] kunit_try_run_case+0x1a5/0x480 [ 13.747939] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.747960] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.747982] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.748014] ? __kthread_parkme+0x82/0x180 [ 13.748042] ? preempt_count_sub+0x50/0x80 [ 13.748064] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.748107] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.748129] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.748152] kthread+0x337/0x6f0 [ 13.748170] ? trace_preempt_on+0x20/0xc0 [ 13.748193] ? __pfx_kthread+0x10/0x10 [ 13.748212] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.748232] ? calculate_sigpending+0x7b/0xa0 [ 13.748254] ? __pfx_kthread+0x10/0x10 [ 13.748274] ret_from_fork+0x116/0x1d0 [ 13.748291] ? __pfx_kthread+0x10/0x10 [ 13.748311] ret_from_fork_asm+0x1a/0x30 [ 13.748340] </TASK> [ 13.748351] [ 13.757354] The buggy address belongs to the physical page: [ 13.757772] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039f8 [ 13.758139] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 13.758367] flags: 0x200000000000040(head|node=0|zone=2) [ 13.758622] page_type: f8(unknown) [ 13.758803] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.759157] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.759528] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 13.759775] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 13.760055] head: 0200000000000002 ffffea00040e7e01 00000000ffffffff 00000000ffffffff [ 13.760391] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 13.761042] page dumped because: kasan: bad access detected [ 13.761216] [ 13.761285] Memory state around the buggy address: [ 13.761439] ffff8881039f7f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.761674] ffff8881039f7f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 13.761988] >ffff8881039f8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.762313] ^ [ 13.762477] ffff8881039f8080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.762776] ffff8881039f8100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.762991] ==================================================================