Date
June 2, 2025, 2:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.058571] ================================================================== [ 18.059625] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 18.059992] Free of addr fff00000c6068001 by task kunit_try_catch/140 [ 18.060390] [ 18.060586] CPU: 0 UID: 0 PID: 140 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 18.060676] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.060704] Hardware name: linux,dummy-virt (DT) [ 18.060740] Call trace: [ 18.060764] show_stack+0x20/0x38 (C) [ 18.060822] dump_stack_lvl+0x8c/0xd0 [ 18.060875] print_report+0x118/0x608 [ 18.060926] kasan_report_invalid_free+0xc0/0xe8 [ 18.060979] __kasan_kfree_large+0x5c/0xa8 [ 18.061028] free_large_kmalloc+0x58/0x140 [ 18.061077] kfree+0x270/0x3c8 [ 18.061122] kmalloc_large_invalid_free+0x108/0x270 [ 18.061223] kunit_try_run_case+0x170/0x3f0 [ 18.061354] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.061520] kthread+0x318/0x620 [ 18.061772] ret_from_fork+0x10/0x20 [ 18.061904] [ 18.066626] The buggy address belongs to the physical page: [ 18.066906] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106068 [ 18.067752] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 18.068237] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 18.068607] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.068954] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 18.069812] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 18.070307] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 18.070637] head: 0bfffe0000000002 ffffc1ffc3181a01 ffffffffffffffff 0000000000000000 [ 18.070965] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 18.071722] page dumped because: kasan: bad access detected [ 18.072344] [ 18.072495] Memory state around the buggy address: [ 18.072735] fff00000c6067f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.073052] fff00000c6067f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.073372] >fff00000c6068000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.073693] ^ [ 18.073893] fff00000c6068080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.074878] fff00000c6068100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.075635] ==================================================================
[ 12.265870] ================================================================== [ 12.266407] BUG: KASAN: invalid-free in kfree+0x276/0x3f0 [ 12.266836] Free of addr ffff888102ac4001 by task kunit_try_catch/158 [ 12.267119] [ 12.267239] CPU: 0 UID: 0 PID: 158 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 12.267276] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.267289] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.267308] Call Trace: [ 12.267319] <TASK> [ 12.267332] dump_stack_lvl+0x73/0xb0 [ 12.267370] print_report+0xd1/0x650 [ 12.267394] ? __virt_addr_valid+0x1db/0x2d0 [ 12.267419] ? kasan_addr_to_slab+0x11/0xa0 [ 12.267452] ? kfree+0x276/0x3f0 [ 12.267475] kasan_report_invalid_free+0xfc/0x120 [ 12.267501] ? kfree+0x276/0x3f0 [ 12.267527] ? kfree+0x276/0x3f0 [ 12.267558] __kasan_kfree_large+0x86/0xd0 [ 12.267646] free_large_kmalloc+0x3b/0xd0 [ 12.267674] kfree+0x276/0x3f0 [ 12.267701] kmalloc_large_invalid_free+0x121/0x2b0 [ 12.267725] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 12.267759] ? __schedule+0xce8/0x2840 [ 12.267785] ? __pfx_read_tsc+0x10/0x10 [ 12.267809] ? ktime_get_ts64+0x86/0x230 [ 12.267846] kunit_try_run_case+0x1a6/0x480 [ 12.267872] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.267895] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 12.267929] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.267955] ? __kthread_parkme+0x82/0x160 [ 12.267979] ? preempt_count_sub+0x50/0x80 [ 12.268027] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.268052] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.268081] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.268109] kthread+0x324/0x6e0 [ 12.268132] ? trace_preempt_on+0x20/0xc0 [ 12.268158] ? __pfx_kthread+0x10/0x10 [ 12.268183] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.268208] ? calculate_sigpending+0x7b/0xa0 [ 12.268232] ? __pfx_kthread+0x10/0x10 [ 12.268257] ret_from_fork+0x41/0x80 [ 12.268278] ? __pfx_kthread+0x10/0x10 [ 12.268302] ret_from_fork_asm+0x1a/0x30 [ 12.268336] </TASK> [ 12.268347] [ 12.276206] The buggy address belongs to the physical page: [ 12.276490] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ac4 [ 12.276891] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.277272] flags: 0x200000000000040(head|node=0|zone=2) [ 12.277528] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.278158] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 12.278486] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.279115] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 12.279434] head: 0200000000000002 ffffea00040ab101 ffffffffffffffff 0000000000000000 [ 12.279820] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 12.280160] page dumped because: kasan: bad access detected [ 12.280397] [ 12.280469] Memory state around the buggy address: [ 12.280626] ffff888102ac3f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.281034] ffff888102ac3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.281325] >ffff888102ac4000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.281848] ^ [ 12.281987] ffff888102ac4080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.282218] ffff888102ac4100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.282575] ==================================================================