Date
July 5, 2025, 5:09 p.m.
Environment | |
---|---|
qemu-arm64 | |
qemu-x86_64 |
[ 18.079356] ================================================================== [ 18.079486] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 18.079566] Free of addr fff00000c65c0001 by task kunit_try_catch/150 [ 18.079610] [ 18.079736] CPU: 1 UID: 0 PID: 150 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.079814] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.079900] Hardware name: linux,dummy-virt (DT) [ 18.079948] Call trace: [ 18.079986] show_stack+0x20/0x38 (C) [ 18.080040] dump_stack_lvl+0x8c/0xd0 [ 18.080084] print_report+0x118/0x608 [ 18.080128] kasan_report_invalid_free+0xc0/0xe8 [ 18.080203] __kasan_kfree_large+0x5c/0xa8 [ 18.080249] free_large_kmalloc+0x64/0x190 [ 18.080293] kfree+0x270/0x3c8 [ 18.080333] kmalloc_large_invalid_free+0x108/0x270 [ 18.080380] kunit_try_run_case+0x170/0x3f0 [ 18.080424] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.080494] kthread+0x328/0x630 [ 18.080534] ret_from_fork+0x10/0x20 [ 18.080613] [ 18.080692] The buggy address belongs to the physical page: [ 18.080803] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1065c0 [ 18.080855] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 18.080911] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 18.081241] page_type: f8(unknown) [ 18.081296] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.081361] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 18.081468] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.081533] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 18.081598] head: 0bfffe0000000002 ffffc1ffc3197001 00000000ffffffff 00000000ffffffff [ 18.081676] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 18.081742] page dumped because: kasan: bad access detected [ 18.081834] [ 18.081913] Memory state around the buggy address: [ 18.081961] fff00000c65bff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.082218] fff00000c65bff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.082259] >fff00000c65c0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.082295] ^ [ 18.082321] fff00000c65c0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.082360] fff00000c65c0100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.082407] ==================================================================
[ 11.126268] ================================================================== [ 11.127424] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 11.127695] Free of addr ffff88810390c001 by task kunit_try_catch/168 [ 11.128292] [ 11.128408] CPU: 1 UID: 0 PID: 168 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.128478] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.128490] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.128521] Call Trace: [ 11.128533] <TASK> [ 11.128549] dump_stack_lvl+0x73/0xb0 [ 11.128576] print_report+0xd1/0x650 [ 11.128606] ? __virt_addr_valid+0x1db/0x2d0 [ 11.128628] ? kasan_addr_to_slab+0x11/0xa0 [ 11.128647] ? kfree+0x274/0x3f0 [ 11.128693] kasan_report_invalid_free+0x10a/0x130 [ 11.128718] ? kfree+0x274/0x3f0 [ 11.128741] ? kfree+0x274/0x3f0 [ 11.128761] __kasan_kfree_large+0x86/0xd0 [ 11.128782] free_large_kmalloc+0x4b/0x110 [ 11.128804] kfree+0x274/0x3f0 [ 11.128830] kmalloc_large_invalid_free+0x120/0x2b0 [ 11.128852] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 11.128875] ? __schedule+0x10cc/0x2b60 [ 11.128896] ? __pfx_read_tsc+0x10/0x10 [ 11.128916] ? ktime_get_ts64+0x86/0x230 [ 11.128939] kunit_try_run_case+0x1a5/0x480 [ 11.128962] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.128983] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.129006] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.129028] ? __kthread_parkme+0x82/0x180 [ 11.129046] ? preempt_count_sub+0x50/0x80 [ 11.129069] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.129091] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.129113] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.129134] kthread+0x337/0x6f0 [ 11.129153] ? trace_preempt_on+0x20/0xc0 [ 11.129174] ? __pfx_kthread+0x10/0x10 [ 11.129212] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.129233] ? calculate_sigpending+0x7b/0xa0 [ 11.129255] ? __pfx_kthread+0x10/0x10 [ 11.129276] ret_from_fork+0x116/0x1d0 [ 11.129293] ? __pfx_kthread+0x10/0x10 [ 11.129312] ret_from_fork_asm+0x1a/0x30 [ 11.129342] </TASK> [ 11.129353] [ 11.142898] The buggy address belongs to the physical page: [ 11.143388] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10390c [ 11.143654] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 11.144433] flags: 0x200000000000040(head|node=0|zone=2) [ 11.144993] page_type: f8(unknown) [ 11.145370] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.145790] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 11.146517] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.147298] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 11.147802] head: 0200000000000002 ffffea00040e4301 00000000ffffffff 00000000ffffffff [ 11.148149] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 11.148833] page dumped because: kasan: bad access detected [ 11.149407] [ 11.149518] Memory state around the buggy address: [ 11.149914] ffff88810390bf00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 11.150134] ffff88810390bf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 11.150887] >ffff88810390c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.151637] ^ [ 11.151992] ffff88810390c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.152674] ffff88810390c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.152949] ==================================================================