Date
Feb. 5, 2025, 2:09 p.m.
Environment | |
---|---|
qemu-arm64 |
[ 177.598467] ================================================================== [ 177.600812] BUG: KASAN: invalid-free in kfree+0x12c/0x138 [ 177.602089] Free of addr ffff0000c6020001 by task kunit_try_catch/126 [ 177.603967] [ 177.604709] CPU: 0 PID: 126 Comm: kunit_try_catch Tainted: G B N 6.6.76-rc1 #1 [ 177.607730] Hardware name: linux,dummy-virt (DT) [ 177.609047] Call trace: [ 177.610722] dump_backtrace+0x9c/0x128 [ 177.611726] show_stack+0x20/0x38 [ 177.612661] dump_stack_lvl+0x60/0xb0 [ 177.613932] print_report+0xf8/0x5d8 [ 177.615136] kasan_report_invalid_free+0xb0/0xd8 [ 177.616473] __kasan_kfree_large+0x54/0xa0 [ 177.617756] free_large_kmalloc+0x5c/0x100 [ 177.619212] kfree+0x12c/0x138 [ 177.620101] kmalloc_pagealloc_invalid_free+0xa8/0x1a8 [ 177.622080] kunit_try_run_case+0xf8/0x260 [ 177.623318] kunit_generic_run_threadfn_adapter+0x38/0x60 [ 177.624784] kthread+0x18c/0x1a8 [ 177.625771] ret_from_fork+0x10/0x20 [ 177.627051] [ 177.627732] The buggy address belongs to the physical page: [ 177.629124] page:00000000dc26f172 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106020 [ 177.631164] head:00000000dc26f172 order:2 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 177.633114] flags: 0xbfffc0000000040(head|node=0|zone=2|lastcpupid=0xffff) [ 177.634723] page_type: 0xffffffff() [ 177.635773] raw: 0bfffc0000000040 0000000000000000 dead000000000122 0000000000000000 [ 177.637619] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 177.639866] page dumped because: kasan: bad access detected [ 177.641671] [ 177.642180] Memory state around the buggy address: [ 177.643306] ffff0000c601ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 177.644898] ffff0000c601ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 177.646601] >ffff0000c6020000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 177.648339] ^ [ 177.649412] ffff0000c6020080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 177.650986] ffff0000c6020100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 177.652530] ==================================================================