Date
July 12, 2025, 11:09 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 22.116120] ================================================================== [ 22.116259] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 22.116388] Free of addr fff00000c79b8001 by task kunit_try_catch/244 [ 22.116489] [ 22.116568] CPU: 1 UID: 0 PID: 244 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 22.116764] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.117231] Hardware name: linux,dummy-virt (DT) [ 22.117331] Call trace: [ 22.117404] show_stack+0x20/0x38 (C) [ 22.117525] dump_stack_lvl+0x8c/0xd0 [ 22.117648] print_report+0x118/0x608 [ 22.117795] kasan_report_invalid_free+0xc0/0xe8 [ 22.118187] __kasan_mempool_poison_object+0xfc/0x150 [ 22.118291] mempool_free+0x28c/0x328 [ 22.118595] mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 22.118803] mempool_kmalloc_large_invalid_free+0xc0/0x118 [ 22.118952] kunit_try_run_case+0x170/0x3f0 [ 22.119055] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.119172] kthread+0x328/0x630 [ 22.119270] ret_from_fork+0x10/0x20 [ 22.119375] [ 22.119419] The buggy address belongs to the physical page: [ 22.119490] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1079b8 [ 22.119615] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 22.119732] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 22.119858] page_type: f8(unknown) [ 22.120302] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 22.120415] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 22.120530] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 22.120639] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 22.120752] head: 0bfffe0000000002 ffffc1ffc31e6e01 00000000ffffffff 00000000ffffffff [ 22.120874] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 22.120954] page dumped because: kasan: bad access detected [ 22.121175] [ 22.121220] Memory state around the buggy address: [ 22.121867] fff00000c79b7f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 22.121967] fff00000c79b7f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 22.122064] >fff00000c79b8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.122146] ^ [ 22.122185] fff00000c79b8080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.122231] fff00000c79b8100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.122270] ================================================================== [ 22.095129] ================================================================== [ 22.095259] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 22.095376] Free of addr fff00000c5942501 by task kunit_try_catch/242 [ 22.095476] [ 22.095544] CPU: 1 UID: 0 PID: 242 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 22.095739] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.095805] Hardware name: linux,dummy-virt (DT) [ 22.096436] Call trace: [ 22.096505] show_stack+0x20/0x38 (C) [ 22.096633] dump_stack_lvl+0x8c/0xd0 [ 22.096746] print_report+0x118/0x608 [ 22.096871] kasan_report_invalid_free+0xc0/0xe8 [ 22.096984] check_slab_allocation+0xfc/0x108 [ 22.097105] __kasan_mempool_poison_object+0x78/0x150 [ 22.097270] mempool_free+0x28c/0x328 [ 22.097619] mempool_kmalloc_invalid_free_helper+0x118/0x2a8 [ 22.097795] mempool_kmalloc_invalid_free+0xc0/0x118 [ 22.097970] kunit_try_run_case+0x170/0x3f0 [ 22.098089] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.098333] kthread+0x328/0x630 [ 22.098427] ret_from_fork+0x10/0x20 [ 22.098549] [ 22.098595] Allocated by task 242: [ 22.098723] kasan_save_stack+0x3c/0x68 [ 22.098922] kasan_save_track+0x20/0x40 [ 22.099041] kasan_save_alloc_info+0x40/0x58 [ 22.099216] __kasan_mempool_unpoison_object+0x11c/0x180 [ 22.099582] remove_element+0x130/0x1f8 [ 22.099713] mempool_alloc_preallocated+0x58/0xc0 [ 22.099974] mempool_kmalloc_invalid_free_helper+0x94/0x2a8 [ 22.100089] mempool_kmalloc_invalid_free+0xc0/0x118 [ 22.100187] kunit_try_run_case+0x170/0x3f0 [ 22.100277] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 22.100753] kthread+0x328/0x630 [ 22.100963] ret_from_fork+0x10/0x20 [ 22.101109] [ 22.101275] The buggy address belongs to the object at fff00000c5942500 [ 22.101275] which belongs to the cache kmalloc-128 of size 128 [ 22.101693] The buggy address is located 1 bytes inside of [ 22.101693] 128-byte region [fff00000c5942500, fff00000c5942580) [ 22.102042] [ 22.102107] The buggy address belongs to the physical page: [ 22.102397] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105942 [ 22.102768] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 22.102923] page_type: f5(slab) [ 22.103010] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 22.103137] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.103239] page dumped because: kasan: bad access detected [ 22.103429] [ 22.103480] Memory state around the buggy address: [ 22.103797] fff00000c5942400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.104029] fff00000c5942480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.104127] >fff00000c5942500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.104319] ^ [ 22.104412] fff00000c5942580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.104961] fff00000c5942600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.105283] ==================================================================
[ 14.363091] ================================================================== [ 14.363795] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.364343] Free of addr ffff88810266c001 by task kunit_try_catch/259 [ 14.364621] [ 14.364766] CPU: 1 UID: 0 PID: 259 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.364809] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.364820] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.364860] Call Trace: [ 14.364873] <TASK> [ 14.364888] dump_stack_lvl+0x73/0xb0 [ 14.364988] print_report+0xd1/0x650 [ 14.365013] ? __virt_addr_valid+0x1db/0x2d0 [ 14.365039] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.365063] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.365090] kasan_report_invalid_free+0x10a/0x130 [ 14.365116] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.365145] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.365172] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.365198] check_slab_allocation+0x11f/0x130 [ 14.365243] __kasan_mempool_poison_object+0x91/0x1d0 [ 14.365268] mempool_free+0x2ec/0x380 [ 14.365313] mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.365340] ? __pfx_mempool_kmalloc_invalid_free_helper+0x10/0x10 [ 14.365369] ? __kasan_check_write+0x18/0x20 [ 14.365389] ? __pfx_sched_clock_cpu+0x10/0x10 [ 14.365412] ? finish_task_switch.isra.0+0x153/0x700 [ 14.365439] mempool_kmalloc_invalid_free+0xed/0x140 [ 14.365464] ? __pfx_mempool_kmalloc_invalid_free+0x10/0x10 [ 14.365492] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.365515] ? __pfx_mempool_kfree+0x10/0x10 [ 14.365540] ? __pfx_read_tsc+0x10/0x10 [ 14.365563] ? ktime_get_ts64+0x86/0x230 [ 14.365588] kunit_try_run_case+0x1a5/0x480 [ 14.365614] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.365637] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.365703] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.365728] ? __kthread_parkme+0x82/0x180 [ 14.365762] ? preempt_count_sub+0x50/0x80 [ 14.365786] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.365811] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.365836] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.365862] kthread+0x337/0x6f0 [ 14.365881] ? trace_preempt_on+0x20/0xc0 [ 14.365904] ? __pfx_kthread+0x10/0x10 [ 14.365925] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.365947] ? calculate_sigpending+0x7b/0xa0 [ 14.365973] ? __pfx_kthread+0x10/0x10 [ 14.365995] ret_from_fork+0x116/0x1d0 [ 14.366015] ? __pfx_kthread+0x10/0x10 [ 14.366035] ret_from_fork_asm+0x1a/0x30 [ 14.366067] </TASK> [ 14.366077] [ 14.378269] Allocated by task 259: [ 14.378452] kasan_save_stack+0x45/0x70 [ 14.378642] kasan_save_track+0x18/0x40 [ 14.379567] kasan_save_alloc_info+0x3b/0x50 [ 14.379969] __kasan_mempool_unpoison_object+0x1a9/0x200 [ 14.380221] remove_element+0x11e/0x190 [ 14.380411] mempool_alloc_preallocated+0x4d/0x90 [ 14.380628] mempool_kmalloc_invalid_free_helper+0x83/0x2e0 [ 14.381246] mempool_kmalloc_invalid_free+0xed/0x140 [ 14.381873] kunit_try_run_case+0x1a5/0x480 [ 14.382163] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.382421] kthread+0x337/0x6f0 [ 14.382584] ret_from_fork+0x116/0x1d0 [ 14.383166] ret_from_fork_asm+0x1a/0x30 [ 14.383375] [ 14.383469] The buggy address belongs to the object at ffff88810266c000 [ 14.383469] which belongs to the cache kmalloc-128 of size 128 [ 14.384644] The buggy address is located 1 bytes inside of [ 14.384644] 128-byte region [ffff88810266c000, ffff88810266c080) [ 14.385298] [ 14.385395] The buggy address belongs to the physical page: [ 14.385633] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10266c [ 14.386345] flags: 0x200000000000000(node=0|zone=2) [ 14.386782] page_type: f5(slab) [ 14.386948] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 14.387264] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 14.387571] page dumped because: kasan: bad access detected [ 14.388197] [ 14.388390] Memory state around the buggy address: [ 14.388924] ffff88810266bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.389449] ffff88810266bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.390336] >ffff88810266c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.390824] ^ [ 14.391086] ffff88810266c080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.391608] ffff88810266c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.392121] ================================================================== [ 14.395098] ================================================================== [ 14.395912] BUG: KASAN: invalid-free in mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.396393] Free of addr ffff888103b74001 by task kunit_try_catch/261 [ 14.396825] [ 14.397156] CPU: 1 UID: 0 PID: 261 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 14.397210] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.397222] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.397244] Call Trace: [ 14.397257] <TASK> [ 14.397275] dump_stack_lvl+0x73/0xb0 [ 14.397344] print_report+0xd1/0x650 [ 14.397367] ? __virt_addr_valid+0x1db/0x2d0 [ 14.397392] ? kasan_addr_to_slab+0x11/0xa0 [ 14.397413] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.397440] kasan_report_invalid_free+0x10a/0x130 [ 14.397465] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.397494] ? mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.397520] __kasan_mempool_poison_object+0x102/0x1d0 [ 14.397546] mempool_free+0x2ec/0x380 [ 14.397572] mempool_kmalloc_invalid_free_helper+0x132/0x2e0 [ 14.397599] ? __pfx_mempool_kmalloc_invalid_free_helper+0x10/0x10 [ 14.397630] ? finish_task_switch.isra.0+0x153/0x700 [ 14.397673] mempool_kmalloc_large_invalid_free+0xed/0x140 [ 14.397700] ? __pfx_mempool_kmalloc_large_invalid_free+0x10/0x10 [ 14.397729] ? __pfx_mempool_kmalloc+0x10/0x10 [ 14.397764] ? __pfx_mempool_kfree+0x10/0x10 [ 14.397790] ? __pfx_read_tsc+0x10/0x10 [ 14.397812] ? ktime_get_ts64+0x86/0x230 [ 14.397836] kunit_try_run_case+0x1a5/0x480 [ 14.397860] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.397883] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.397907] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.397932] ? __kthread_parkme+0x82/0x180 [ 14.397952] ? preempt_count_sub+0x50/0x80 [ 14.397975] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.398000] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.398025] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.398050] kthread+0x337/0x6f0 [ 14.398069] ? trace_preempt_on+0x20/0xc0 [ 14.398093] ? __pfx_kthread+0x10/0x10 [ 14.398113] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.398134] ? calculate_sigpending+0x7b/0xa0 [ 14.398158] ? __pfx_kthread+0x10/0x10 [ 14.398179] ret_from_fork+0x116/0x1d0 [ 14.398198] ? __pfx_kthread+0x10/0x10 [ 14.398219] ret_from_fork_asm+0x1a/0x30 [ 14.398248] </TASK> [ 14.398259] [ 14.410402] The buggy address belongs to the physical page: [ 14.410859] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103b74 [ 14.411281] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 14.411597] flags: 0x200000000000040(head|node=0|zone=2) [ 14.412062] page_type: f8(unknown) [ 14.412247] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.412564] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.413473] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 14.414088] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 14.414551] head: 0200000000000002 ffffea00040edd01 00000000ffffffff 00000000ffffffff [ 14.415055] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 14.415614] page dumped because: kasan: bad access detected [ 14.416128] [ 14.416235] Memory state around the buggy address: [ 14.416454] ffff888103b73f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 14.417073] ffff888103b73f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 14.417495] >ffff888103b74000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.418214] ^ [ 14.418472] ffff888103b74080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.419024] ffff888103b74100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.419327] ==================================================================