Date
June 18, 2025, 6:43 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.906824] ================================================================== [ 19.907117] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 19.907337] Free of addr fff00000c76cc001 by task kunit_try_catch/160 [ 19.907463] [ 19.907557] CPU: 0 UID: 0 PID: 160 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250618 #1 PREEMPT [ 19.907772] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.907824] Hardware name: linux,dummy-virt (DT) [ 19.907881] Call trace: [ 19.907928] show_stack+0x20/0x38 (C) [ 19.908037] dump_stack_lvl+0x8c/0xd0 [ 19.908169] print_report+0x118/0x608 [ 19.908264] kasan_report_invalid_free+0xc0/0xe8 [ 19.908356] __kasan_kfree_large+0x5c/0xa8 [ 19.908447] free_large_kmalloc+0x68/0x150 [ 19.908551] kfree+0x270/0x3c8 [ 19.908649] kmalloc_large_invalid_free+0x108/0x270 [ 19.909052] kunit_try_run_case+0x170/0x3f0 [ 19.909176] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.909474] kthread+0x328/0x630 [ 19.909585] ret_from_fork+0x10/0x20 [ 19.909712] [ 19.909821] The buggy address belongs to the physical page: [ 19.909891] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1076cc [ 19.910478] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.910594] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 19.910716] page_type: f8(unknown) [ 19.910807] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.910909] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 19.910995] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.911088] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 19.911181] head: 0bfffe0000000002 ffffc1ffc31db301 00000000ffffffff 00000000ffffffff [ 19.911277] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 19.911367] page dumped because: kasan: bad access detected [ 19.911431] [ 19.911466] Memory state around the buggy address: [ 19.911542] fff00000c76cbf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.911632] fff00000c76cbf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.911726] >fff00000c76cc000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.911808] ^ [ 19.911874] fff00000c76cc080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.911984] fff00000c76cc100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.912107] ==================================================================
[ 10.691384] ================================================================== [ 10.692116] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 10.693055] Free of addr ffff888103ab0001 by task kunit_try_catch/176 [ 10.693749] [ 10.694079] CPU: 1 UID: 0 PID: 176 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) [ 10.694131] Tainted: [B]=BAD_PAGE, [N]=TEST [ 10.694143] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 10.694163] Call Trace: [ 10.694295] <TASK> [ 10.694312] dump_stack_lvl+0x73/0xb0 [ 10.694343] print_report+0xd1/0x650 [ 10.694364] ? __virt_addr_valid+0x1db/0x2d0 [ 10.694386] ? kasan_addr_to_slab+0x11/0xa0 [ 10.694404] ? kfree+0x274/0x3f0 [ 10.694433] kasan_report_invalid_free+0x10a/0x130 [ 10.694455] ? kfree+0x274/0x3f0 [ 10.694476] ? kfree+0x274/0x3f0 [ 10.694495] __kasan_kfree_large+0x86/0xd0 [ 10.694515] free_large_kmalloc+0x52/0x110 [ 10.694536] kfree+0x274/0x3f0 [ 10.694559] kmalloc_large_invalid_free+0x120/0x2b0 [ 10.694580] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 10.694602] ? __schedule+0x10cc/0x2b60 [ 10.694622] ? __pfx_read_tsc+0x10/0x10 [ 10.694642] ? ktime_get_ts64+0x86/0x230 [ 10.694714] kunit_try_run_case+0x1a5/0x480 [ 10.694739] ? __pfx_kunit_try_run_case+0x10/0x10 [ 10.694759] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 10.694781] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 10.694801] ? __kthread_parkme+0x82/0x180 [ 10.694821] ? preempt_count_sub+0x50/0x80 [ 10.694843] ? __pfx_kunit_try_run_case+0x10/0x10 [ 10.694864] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 10.694885] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 10.694907] kthread+0x337/0x6f0 [ 10.694925] ? trace_preempt_on+0x20/0xc0 [ 10.694947] ? __pfx_kthread+0x10/0x10 [ 10.694966] ? _raw_spin_unlock_irq+0x47/0x80 [ 10.694984] ? calculate_sigpending+0x7b/0xa0 [ 10.695007] ? __pfx_kthread+0x10/0x10 [ 10.695027] ret_from_fork+0x116/0x1d0 [ 10.695044] ? __pfx_kthread+0x10/0x10 [ 10.695063] ret_from_fork_asm+0x1a/0x30 [ 10.695092] </TASK> [ 10.695102] [ 10.707119] The buggy address belongs to the physical page: [ 10.707653] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103ab0 [ 10.708098] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 10.708628] flags: 0x200000000000040(head|node=0|zone=2) [ 10.709152] page_type: f8(unknown) [ 10.709536] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 10.709917] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 10.710142] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 10.710851] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 10.711659] head: 0200000000000002 ffffea00040eac01 00000000ffffffff 00000000ffffffff [ 10.712395] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 10.712922] page dumped because: kasan: bad access detected [ 10.713094] [ 10.713157] Memory state around the buggy address: [ 10.713365] ffff888103aaff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 10.713722] ffff888103aaff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 10.713986] >ffff888103ab0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 10.714383] ^ [ 10.714498] ffff888103ab0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 10.714738] ffff888103ab0100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 10.715068] ==================================================================