Date
July 9, 2025, 12:11 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.378102] ================================================================== [ 19.378317] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 19.378445] Free of addr fff00000c76b4001 by task kunit_try_catch/151 [ 19.378490] [ 19.378520] CPU: 1 UID: 0 PID: 151 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.378601] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.378627] Hardware name: linux,dummy-virt (DT) [ 19.378658] Call trace: [ 19.378680] show_stack+0x20/0x38 (C) [ 19.378727] dump_stack_lvl+0x8c/0xd0 [ 19.378783] print_report+0x118/0x608 [ 19.378830] kasan_report_invalid_free+0xc0/0xe8 [ 19.378917] __kasan_kfree_large+0x5c/0xa8 [ 19.378971] free_large_kmalloc+0x64/0x190 [ 19.379044] kfree+0x270/0x3c8 [ 19.379093] kmalloc_large_invalid_free+0x108/0x270 [ 19.379177] kunit_try_run_case+0x170/0x3f0 [ 19.379331] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.379393] kthread+0x328/0x630 [ 19.379453] ret_from_fork+0x10/0x20 [ 19.379624] [ 19.379652] The buggy address belongs to the physical page: [ 19.379733] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1076b4 [ 19.379787] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.379838] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 19.380078] page_type: f8(unknown) [ 19.380119] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.380208] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.380259] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.380332] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.380386] head: 0bfffe0000000002 ffffc1ffc31dad01 00000000ffffffff 00000000ffffffff [ 19.380443] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 19.380507] page dumped because: kasan: bad access detected [ 19.380538] [ 19.380556] Memory state around the buggy address: [ 19.380589] fff00000c76b3f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.380630] fff00000c76b3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.380672] >fff00000c76b4000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.380710] ^ [ 19.380737] fff00000c76b4080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.380777] fff00000c76b4100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.380959] ==================================================================
[ 12.164553] ================================================================== [ 12.165086] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 12.165390] Free of addr ffff88810a5d8001 by task kunit_try_catch/167 [ 12.165822] [ 12.165941] CPU: 1 UID: 0 PID: 167 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.165987] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.165998] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.166018] Call Trace: [ 12.166033] <TASK> [ 12.166050] dump_stack_lvl+0x73/0xb0 [ 12.166083] print_report+0xd1/0x650 [ 12.166106] ? __virt_addr_valid+0x1db/0x2d0 [ 12.166131] ? kasan_addr_to_slab+0x11/0xa0 [ 12.166151] ? kfree+0x274/0x3f0 [ 12.166172] kasan_report_invalid_free+0x10a/0x130 [ 12.166197] ? kfree+0x274/0x3f0 [ 12.166219] ? kfree+0x274/0x3f0 [ 12.166238] __kasan_kfree_large+0x86/0xd0 [ 12.166332] free_large_kmalloc+0x4b/0x110 [ 12.166357] kfree+0x274/0x3f0 [ 12.166381] kmalloc_large_invalid_free+0x120/0x2b0 [ 12.166404] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 12.166429] ? __schedule+0x10cc/0x2b60 [ 12.166451] ? __pfx_read_tsc+0x10/0x10 [ 12.166472] ? ktime_get_ts64+0x86/0x230 [ 12.166497] kunit_try_run_case+0x1a5/0x480 [ 12.166521] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.166544] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.166569] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.166592] ? __kthread_parkme+0x82/0x180 [ 12.166613] ? preempt_count_sub+0x50/0x80 [ 12.166637] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.166661] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.166685] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.166717] kthread+0x337/0x6f0 [ 12.166735] ? trace_preempt_on+0x20/0xc0 [ 12.166759] ? __pfx_kthread+0x10/0x10 [ 12.166779] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.166801] ? calculate_sigpending+0x7b/0xa0 [ 12.166826] ? __pfx_kthread+0x10/0x10 [ 12.166846] ret_from_fork+0x116/0x1d0 [ 12.166865] ? __pfx_kthread+0x10/0x10 [ 12.166885] ret_from_fork_asm+0x1a/0x30 [ 12.166915] </TASK> [ 12.166937] [ 12.174776] The buggy address belongs to the physical page: [ 12.174976] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10a5d8 [ 12.175796] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.176102] flags: 0x200000000000040(head|node=0|zone=2) [ 12.176406] page_type: f8(unknown) [ 12.176577] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.176835] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.177444] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.177706] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.177963] head: 0200000000000002 ffffea0004297601 00000000ffffffff 00000000ffffffff [ 12.178306] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 12.178636] page dumped because: kasan: bad access detected [ 12.178891] [ 12.179040] Memory state around the buggy address: [ 12.179212] ffff88810a5d7f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.179529] ffff88810a5d7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.179795] >ffff88810a5d8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.180017] ^ [ 12.180134] ffff88810a5d8080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.180406] ffff88810a5d8100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.181200] ==================================================================