Date
July 8, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.126120] ================================================================== [ 19.126301] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 19.126420] Free of addr fff00000c64bc001 by task kunit_try_catch/150 [ 19.126807] [ 19.126853] CPU: 1 UID: 0 PID: 150 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.127091] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.127121] Hardware name: linux,dummy-virt (DT) [ 19.127150] Call trace: [ 19.127335] show_stack+0x20/0x38 (C) [ 19.127508] dump_stack_lvl+0x8c/0xd0 [ 19.127561] print_report+0x118/0x608 [ 19.127743] kasan_report_invalid_free+0xc0/0xe8 [ 19.127802] __kasan_kfree_large+0x5c/0xa8 [ 19.127868] free_large_kmalloc+0x64/0x190 [ 19.128022] kfree+0x270/0x3c8 [ 19.128194] kmalloc_large_invalid_free+0x108/0x270 [ 19.128288] kunit_try_run_case+0x170/0x3f0 [ 19.128479] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.128541] kthread+0x328/0x630 [ 19.128733] ret_from_fork+0x10/0x20 [ 19.129024] [ 19.129070] The buggy address belongs to the physical page: [ 19.129442] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064bc [ 19.129520] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.129567] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 19.129742] page_type: f8(unknown) [ 19.129896] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.130033] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.130103] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.130181] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.130232] head: 0bfffe0000000002 ffffc1ffc3192f01 00000000ffffffff 00000000ffffffff [ 19.130289] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 19.130336] page dumped because: kasan: bad access detected [ 19.130367] [ 19.130385] Memory state around the buggy address: [ 19.130424] fff00000c64bbf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.130466] fff00000c64bbf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.130511] >fff00000c64bc000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.130549] ^ [ 19.130576] fff00000c64bc080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.130618] fff00000c64bc100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.130679] ==================================================================
[ 12.022474] ================================================================== [ 12.023010] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 12.023223] Free of addr ffff888102974001 by task kunit_try_catch/168 [ 12.023423] [ 12.023510] CPU: 0 UID: 0 PID: 168 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.023554] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.023565] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.023584] Call Trace: [ 12.023610] <TASK> [ 12.023625] dump_stack_lvl+0x73/0xb0 [ 12.023653] print_report+0xd1/0x650 [ 12.023674] ? __virt_addr_valid+0x1db/0x2d0 [ 12.023697] ? kasan_addr_to_slab+0x11/0xa0 [ 12.023716] ? kfree+0x274/0x3f0 [ 12.023736] kasan_report_invalid_free+0x10a/0x130 [ 12.023759] ? kfree+0x274/0x3f0 [ 12.023781] ? kfree+0x274/0x3f0 [ 12.023799] __kasan_kfree_large+0x86/0xd0 [ 12.023819] free_large_kmalloc+0x4b/0x110 [ 12.023842] kfree+0x274/0x3f0 [ 12.023866] kmalloc_large_invalid_free+0x120/0x2b0 [ 12.023889] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 12.023912] ? __schedule+0x10cc/0x2b60 [ 12.023932] ? __pfx_read_tsc+0x10/0x10 [ 12.023952] ? ktime_get_ts64+0x86/0x230 [ 12.023976] kunit_try_run_case+0x1a5/0x480 [ 12.023999] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.024020] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.024042] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.024064] ? __kthread_parkme+0x82/0x180 [ 12.024084] ? preempt_count_sub+0x50/0x80 [ 12.024109] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.024132] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.024154] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.024177] kthread+0x337/0x6f0 [ 12.024194] ? trace_preempt_on+0x20/0xc0 [ 12.024217] ? __pfx_kthread+0x10/0x10 [ 12.024236] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.024259] ? calculate_sigpending+0x7b/0xa0 [ 12.024282] ? __pfx_kthread+0x10/0x10 [ 12.024302] ret_from_fork+0x116/0x1d0 [ 12.024319] ? __pfx_kthread+0x10/0x10 [ 12.024338] ret_from_fork_asm+0x1a/0x30 [ 12.024369] </TASK> [ 12.024378] [ 12.040003] The buggy address belongs to the physical page: [ 12.040233] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102974 [ 12.041097] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.041838] flags: 0x200000000000040(head|node=0|zone=2) [ 12.042045] page_type: f8(unknown) [ 12.042173] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.042404] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.042885] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.043606] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.044338] head: 0200000000000002 ffffea00040a5d01 00000000ffffffff 00000000ffffffff [ 12.045100] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 12.045861] page dumped because: kasan: bad access detected [ 12.046327] [ 12.046487] Memory state around the buggy address: [ 12.046961] ffff888102973f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.047675] ffff888102973f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.048109] >ffff888102974000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.048854] ^ [ 12.049200] ffff888102974080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.049795] ffff888102974100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.050428] ==================================================================