Date
May 13, 2025, 12:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.057718] ================================================================== [ 19.057916] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 19.058037] Free of addr fff00000c655c001 by task kunit_try_catch/150 [ 19.058277] [ 19.058335] CPU: 1 UID: 0 PID: 150 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT [ 19.058485] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.058530] Hardware name: linux,dummy-virt (DT) [ 19.058649] Call trace: [ 19.058693] show_stack+0x20/0x38 (C) [ 19.058772] dump_stack_lvl+0x8c/0xd0 [ 19.058939] print_report+0x118/0x608 [ 19.059217] kasan_report_invalid_free+0xc0/0xe8 [ 19.059774] __kasan_kfree_large+0x5c/0xa8 [ 19.059856] free_large_kmalloc+0x64/0x190 [ 19.060173] kfree+0x270/0x3c8 [ 19.060591] kmalloc_large_invalid_free+0x108/0x270 [ 19.060687] kunit_try_run_case+0x170/0x3f0 [ 19.060951] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.061395] kthread+0x328/0x630 [ 19.061472] ret_from_fork+0x10/0x20 [ 19.061532] [ 19.061682] The buggy address belongs to the physical page: [ 19.061743] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10655c [ 19.062067] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.062152] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 19.062307] page_type: f8(unknown) [ 19.062609] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.062676] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.062735] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.062789] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.062842] head: 0bfffe0000000002 ffffc1ffc3195701 00000000ffffffff 00000000ffffffff [ 19.062895] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 19.062938] page dumped because: kasan: bad access detected [ 19.062986] [ 19.063008] Memory state around the buggy address: [ 19.063047] fff00000c655bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.063091] fff00000c655bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.063135] >fff00000c655c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.063172] ^ [ 19.063203] fff00000c655c080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.063244] fff00000c655c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.063305] ==================================================================
[ 10.612330] ================================================================== [ 10.613026] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 10.613982] Free of addr ffff888102aa0001 by task kunit_try_catch/167 [ 10.614323] [ 10.614418] CPU: 1 UID: 0 PID: 167 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250513 #1 PREEMPT(voluntary) [ 10.614466] Tainted: [B]=BAD_PAGE, [N]=TEST [ 10.614477] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 10.614498] Call Trace: [ 10.614510] <TASK> [ 10.614524] dump_stack_lvl+0x73/0xb0 [ 10.614579] print_report+0xd1/0x650 [ 10.614680] ? __virt_addr_valid+0x1db/0x2d0 [ 10.614709] ? kasan_addr_to_slab+0x11/0xa0 [ 10.614730] ? kfree+0x274/0x3f0 [ 10.614748] kasan_report_invalid_free+0x10a/0x130 [ 10.614773] ? kfree+0x274/0x3f0 [ 10.614793] ? kfree+0x274/0x3f0 [ 10.614810] __kasan_kfree_large+0x86/0xd0 [ 10.614831] free_large_kmalloc+0x4b/0x110 [ 10.614856] kfree+0x274/0x3f0 [ 10.614878] kmalloc_large_invalid_free+0x120/0x2b0 [ 10.614900] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 10.614925] ? __schedule+0x10cc/0x2b60 [ 10.614946] ? __pfx_read_tsc+0x10/0x10 [ 10.614967] ? ktime_get_ts64+0x86/0x230 [ 10.614990] kunit_try_run_case+0x1a5/0x480 [ 10.615013] ? __pfx_kunit_try_run_case+0x10/0x10 [ 10.615035] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 10.615056] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 10.615078] ? __kthread_parkme+0x82/0x180 [ 10.615097] ? preempt_count_sub+0x50/0x80 [ 10.615121] ? __pfx_kunit_try_run_case+0x10/0x10 [ 10.615144] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 10.615166] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 10.615198] kthread+0x337/0x6f0 [ 10.615218] ? trace_preempt_on+0x20/0xc0 [ 10.615241] ? __pfx_kthread+0x10/0x10 [ 10.615262] ? _raw_spin_unlock_irq+0x47/0x80 [ 10.615282] ? calculate_sigpending+0x7b/0xa0 [ 10.615304] ? __pfx_kthread+0x10/0x10 [ 10.615326] ret_from_fork+0x116/0x1d0 [ 10.615343] ? __pfx_kthread+0x10/0x10 [ 10.615364] ret_from_fork_asm+0x1a/0x30 [ 10.615394] </TASK> [ 10.615404] [ 10.624734] The buggy address belongs to the physical page: [ 10.625050] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102aa0 [ 10.625449] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 10.625913] flags: 0x200000000000040(head|node=0|zone=2) [ 10.626354] page_type: f8(unknown) [ 10.626543] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 10.627113] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 10.627472] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 10.627934] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 10.628322] head: 0200000000000002 ffffea00040aa801 00000000ffffffff 00000000ffffffff [ 10.628786] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 10.629100] page dumped because: kasan: bad access detected [ 10.629379] [ 10.629497] Memory state around the buggy address: [ 10.629744] ffff888102a9ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 10.630373] ffff888102a9ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 10.630842] >ffff888102aa0000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 10.631148] ^ [ 10.631340] ffff888102aa0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 10.631641] ffff888102aa0100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 10.632032] ==================================================================