Date
July 4, 2025, 11:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.829711] ================================================================== [ 17.829835] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 17.829992] Free of addr fff00000c64bc001 by task kunit_try_catch/150 [ 17.830044] [ 17.830134] CPU: 0 UID: 0 PID: 150 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 17.830637] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.830765] Hardware name: linux,dummy-virt (DT) [ 17.830801] Call trace: [ 17.830949] show_stack+0x20/0x38 (C) [ 17.831152] dump_stack_lvl+0x8c/0xd0 [ 17.831219] print_report+0x118/0x608 [ 17.831266] kasan_report_invalid_free+0xc0/0xe8 [ 17.831475] __kasan_kfree_large+0x5c/0xa8 [ 17.831547] free_large_kmalloc+0x64/0x190 [ 17.831717] kfree+0x270/0x3c8 [ 17.831850] kmalloc_large_invalid_free+0x108/0x270 [ 17.831962] kunit_try_run_case+0x170/0x3f0 [ 17.832139] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.832361] kthread+0x328/0x630 [ 17.832416] ret_from_fork+0x10/0x20 [ 17.832476] [ 17.832498] The buggy address belongs to the physical page: [ 17.832560] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1064bc [ 17.832612] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 17.832656] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 17.832707] page_type: f8(unknown) [ 17.832752] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.832799] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.832858] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 17.832904] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 17.832951] head: 0bfffe0000000002 ffffc1ffc3192f01 00000000ffffffff 00000000ffffffff [ 17.832996] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 17.833033] page dumped because: kasan: bad access detected [ 17.833073] [ 17.833100] Memory state around the buggy address: [ 17.833131] fff00000c64bbf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.833171] fff00000c64bbf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.833212] >fff00000c64bc000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.833263] ^ [ 17.833290] fff00000c64bc080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.833339] fff00000c64bc100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.833408] ==================================================================
[ 11.388570] ================================================================== [ 11.390051] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 11.390863] Free of addr ffff888102a44001 by task kunit_try_catch/167 [ 11.391764] [ 11.392110] CPU: 0 UID: 0 PID: 167 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.392166] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.392178] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.392208] Call Trace: [ 11.392234] <TASK> [ 11.392254] dump_stack_lvl+0x73/0xb0 [ 11.392294] print_report+0xd1/0x650 [ 11.392317] ? __virt_addr_valid+0x1db/0x2d0 [ 11.392340] ? kasan_addr_to_slab+0x11/0xa0 [ 11.392360] ? kfree+0x274/0x3f0 [ 11.392382] kasan_report_invalid_free+0x10a/0x130 [ 11.392404] ? kfree+0x274/0x3f0 [ 11.392426] ? kfree+0x274/0x3f0 [ 11.392445] __kasan_kfree_large+0x86/0xd0 [ 11.392465] free_large_kmalloc+0x4b/0x110 [ 11.392487] kfree+0x274/0x3f0 [ 11.392510] kmalloc_large_invalid_free+0x120/0x2b0 [ 11.392532] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 11.392554] ? __schedule+0x10cc/0x2b60 [ 11.392575] ? __pfx_read_tsc+0x10/0x10 [ 11.392595] ? ktime_get_ts64+0x86/0x230 [ 11.392619] kunit_try_run_case+0x1a5/0x480 [ 11.392643] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.392664] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.392686] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.392708] ? __kthread_parkme+0x82/0x180 [ 11.392727] ? preempt_count_sub+0x50/0x80 [ 11.392750] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.392771] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.392801] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.392822] kthread+0x337/0x6f0 [ 11.392840] ? trace_preempt_on+0x20/0xc0 [ 11.392863] ? __pfx_kthread+0x10/0x10 [ 11.392881] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.392902] ? calculate_sigpending+0x7b/0xa0 [ 11.392924] ? __pfx_kthread+0x10/0x10 [ 11.392944] ret_from_fork+0x116/0x1d0 [ 11.392961] ? __pfx_kthread+0x10/0x10 [ 11.392979] ret_from_fork_asm+0x1a/0x30 [ 11.393009] </TASK> [ 11.393020] [ 11.408643] The buggy address belongs to the physical page: [ 11.408916] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a44 [ 11.409397] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 11.410134] flags: 0x200000000000040(head|node=0|zone=2) [ 11.410510] page_type: f8(unknown) [ 11.411290] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.411797] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 11.412160] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.412576] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 11.413250] head: 0200000000000002 ffffea00040a9101 00000000ffffffff 00000000ffffffff [ 11.413625] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 11.413952] page dumped because: kasan: bad access detected [ 11.414190] [ 11.414610] Memory state around the buggy address: [ 11.414831] ffff888102a43f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.415193] ffff888102a43f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.415612] >ffff888102a44000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.415899] ^ [ 11.416174] ffff888102a44080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.416567] ffff888102a44100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.417064] ==================================================================