Date
July 22, 2025, 5:13 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 30.104316] ================================================================== [ 30.104396] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 30.104458] Free of addr fff00000c9ae4001 by task kunit_try_catch/181 [ 30.104502] [ 30.104532] CPU: 1 UID: 0 PID: 181 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc7-next-20250722 #1 PREEMPT [ 30.104617] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 30.104646] Hardware name: linux,dummy-virt (DT) [ 30.104676] Call trace: [ 30.104696] show_stack+0x20/0x38 (C) [ 30.104743] dump_stack_lvl+0x8c/0xd0 [ 30.104787] print_report+0x118/0x5e8 [ 30.104875] kasan_report_invalid_free+0xc0/0xe8 [ 30.105026] __kasan_kfree_large+0x5c/0xa8 [ 30.105150] free_large_kmalloc+0x68/0x150 [ 30.105337] kfree+0x270/0x3c8 [ 30.105446] kmalloc_large_invalid_free+0x108/0x270 [ 30.105515] kunit_try_run_case+0x170/0x3f0 [ 30.105561] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.105631] kthread+0x328/0x630 [ 30.105672] ret_from_fork+0x10/0x20 [ 30.105717] [ 30.105736] The buggy address belongs to the physical page: [ 30.105769] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109ae4 [ 30.105829] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 30.105873] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 30.106141] page_type: f8(unknown) [ 30.106192] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 30.106240] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 30.106293] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 30.106350] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 30.106396] head: 0bfffe0000000002 ffffc1ffc326b901 00000000ffffffff 00000000ffffffff [ 30.106443] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 30.106481] page dumped because: kasan: bad access detected [ 30.106517] [ 30.106596] Memory state around the buggy address: [ 30.106638] fff00000c9ae3f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.106680] fff00000c9ae3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.106722] >fff00000c9ae4000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.106757] ^ [ 30.106792] fff00000c9ae4080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.106843] fff00000c9ae4100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.107193] ==================================================================
[ 24.678536] ================================================================== [ 24.679162] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 24.679442] Free of addr ffff888104ab8001 by task kunit_try_catch/198 [ 24.679766] [ 24.679888] CPU: 1 UID: 0 PID: 198 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7-next-20250722 #1 PREEMPT(voluntary) [ 24.679935] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.679948] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.679968] Call Trace: [ 24.679980] <TASK> [ 24.679994] dump_stack_lvl+0x73/0xb0 [ 24.680023] print_report+0xd1/0x640 [ 24.680046] ? __virt_addr_valid+0x1db/0x2d0 [ 24.680070] ? kasan_addr_to_slab+0x11/0xa0 [ 24.680090] ? kfree+0x274/0x3f0 [ 24.680114] kasan_report_invalid_free+0x10a/0x130 [ 24.680138] ? kfree+0x274/0x3f0 [ 24.680162] ? kfree+0x274/0x3f0 [ 24.680183] __kasan_kfree_large+0x86/0xd0 [ 24.680205] free_large_kmalloc+0x52/0x110 [ 24.680229] kfree+0x274/0x3f0 [ 24.680254] kmalloc_large_invalid_free+0x120/0x2b0 [ 24.680277] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 24.680300] ? __schedule+0x10da/0x2b60 [ 24.680327] ? __pfx_read_tsc+0x10/0x10 [ 24.680348] ? ktime_get_ts64+0x86/0x230 [ 24.680372] kunit_try_run_case+0x1a5/0x480 [ 24.680397] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.680419] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.680444] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.680483] ? __kthread_parkme+0x82/0x180 [ 24.680503] ? preempt_count_sub+0x50/0x80 [ 24.680526] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.680550] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.680574] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.680597] kthread+0x337/0x6f0 [ 24.680617] ? trace_preempt_on+0x20/0xc0 [ 24.680641] ? __pfx_kthread+0x10/0x10 [ 24.680661] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.680685] ? calculate_sigpending+0x7b/0xa0 [ 24.680708] ? __pfx_kthread+0x10/0x10 [ 24.680730] ret_from_fork+0x116/0x1d0 [ 24.680750] ? __pfx_kthread+0x10/0x10 [ 24.680771] ret_from_fork_asm+0x1a/0x30 [ 24.680802] </TASK> [ 24.680814] [ 24.688633] The buggy address belongs to the physical page: [ 24.688908] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104ab8 [ 24.689284] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 24.689686] flags: 0x200000000000040(head|node=0|zone=2) [ 24.689907] page_type: f8(unknown) [ 24.690083] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 24.690507] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 24.690768] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 24.691155] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 24.691431] head: 0200000000000002 ffffea000412ae01 00000000ffffffff 00000000ffffffff [ 24.691665] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 24.691903] page dumped because: kasan: bad access detected [ 24.692073] [ 24.692138] Memory state around the buggy address: [ 24.692292] ffff888104ab7f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.692507] ffff888104ab7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.692737] >ffff888104ab8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.693067] ^ [ 24.693277] ffff888104ab8080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.693631] ffff888104ab8100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.693947] ==================================================================