Date
March 19, 2025, 10:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 33.598337] ================================================================== [ 33.598572] BUG: KASAN: invalid-free in kfree+0x270/0x3c8 [ 33.598749] Free of addr fff00000c7748001 by task kunit_try_catch/152 [ 33.598887] [ 33.598988] CPU: 1 UID: 0 PID: 152 Comm: kunit_try_catch Tainted: G B N 6.14.0-rc7-next-20250319 #1 PREEMPT [ 33.599564] Tainted: [B]=BAD_PAGE, [N]=TEST [ 33.599684] Hardware name: linux,dummy-virt (DT) [ 33.599792] Call trace: [ 33.599905] show_stack+0x20/0x38 (C) [ 33.600099] dump_stack_lvl+0x8c/0xd0 [ 33.600248] print_report+0x118/0x5f0 [ 33.600393] kasan_report_invalid_free+0xb0/0xd8 [ 33.600611] __kasan_kfree_large+0x5c/0xa8 [ 33.600766] free_large_kmalloc+0x64/0x190 [ 33.600927] kfree+0x270/0x3c8 [ 33.601119] kmalloc_large_invalid_free+0x108/0x270 [ 33.601684] kunit_try_run_case+0x14c/0x3d0 [ 33.601930] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 33.602147] kthread+0x318/0x618 [ 33.602296] ret_from_fork+0x10/0x20 [ 33.602785] [ 33.603043] The buggy address belongs to the physical page: [ 33.603320] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107748 [ 33.603816] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 33.604223] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 33.604417] page_type: f8(unknown) [ 33.604538] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 33.604753] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 33.604921] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 33.605088] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 33.605270] head: 0bfffe0000000002 ffffc1ffc31dd201 00000000ffffffff 00000000ffffffff [ 33.605506] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 33.605722] page dumped because: kasan: bad access detected [ 33.605883] [ 33.605977] Memory state around the buggy address: [ 33.606151] fff00000c7747f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.606372] fff00000c7747f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 33.606619] >fff00000c7748000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.607029] ^ [ 33.607143] fff00000c7748080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.607615] fff00000c7748100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.608160] ==================================================================
[ 20.762954] ================================================================== [ 20.765185] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 20.765868] Free of addr ffff888102690001 by task kunit_try_catch/171 [ 20.766235] [ 20.766474] CPU: 1 UID: 0 PID: 171 Comm: kunit_try_catch Tainted: G B N 6.14.0-rc7-next-20250319 #1 PREEMPT(voluntary) [ 20.766599] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.766635] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 20.766675] Call Trace: [ 20.766696] <TASK> [ 20.766729] dump_stack_lvl+0x73/0xb0 [ 20.766775] print_report+0xd1/0x660 [ 20.766828] ? __virt_addr_valid+0x1db/0x2d0 [ 20.766904] ? kasan_addr_to_slab+0x11/0xa0 [ 20.766936] ? kfree+0x274/0x3f0 [ 20.766962] kasan_report_invalid_free+0xce/0x100 [ 20.766998] ? kfree+0x274/0x3f0 [ 20.767029] ? kfree+0x274/0x3f0 [ 20.767056] __kasan_kfree_large+0x86/0xd0 [ 20.767087] free_large_kmalloc+0x4b/0x130 [ 20.767165] kfree+0x274/0x3f0 [ 20.767225] kmalloc_large_invalid_free+0x120/0x2b0 [ 20.767288] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 20.767352] ? __schedule+0xd46/0x29c0 [ 20.767415] ? __pfx_read_tsc+0x10/0x10 [ 20.767475] ? ktime_get_ts64+0x86/0x240 [ 20.767636] kunit_try_run_case+0x1b2/0x490 [ 20.767697] ? __pfx_kunit_try_run_case+0x10/0x10 [ 20.768450] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 20.768493] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 20.768527] ? __kthread_parkme+0x82/0x160 [ 20.768560] ? preempt_count_sub+0x50/0x80 [ 20.768597] ? __pfx_kunit_try_run_case+0x10/0x10 [ 20.768631] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 20.768666] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 20.768765] kthread+0x323/0x710 [ 20.768833] ? trace_preempt_on+0x20/0xc0 [ 20.768896] ? __pfx_kthread+0x10/0x10 [ 20.768930] ? _raw_spin_unlock_irq+0x47/0x80 [ 20.768960] ? calculate_sigpending+0x7b/0xa0 [ 20.768992] ? __pfx_kthread+0x10/0x10 [ 20.769024] ret_from_fork+0x41/0x80 [ 20.769056] ? __pfx_kthread+0x10/0x10 [ 20.769088] ret_from_fork_asm+0x1a/0x30 [ 20.769159] </TASK> [ 20.769176] [ 20.789984] The buggy address belongs to the physical page: [ 20.790803] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102690 [ 20.791224] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 20.791559] flags: 0x200000000000040(head|node=0|zone=2) [ 20.791789] page_type: f8(unknown) [ 20.791942] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 20.793416] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 20.794439] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 20.795286] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 20.795700] head: 0200000000000002 ffffea000409a401 00000000ffffffff 00000000ffffffff [ 20.797193] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 20.797840] page dumped because: kasan: bad access detected [ 20.799330] [ 20.799488] Memory state around the buggy address: [ 20.799885] ffff88810268ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.801089] ffff88810268ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.801562] >ffff888102690000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.802574] ^ [ 20.803455] ffff888102690080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.803931] ffff888102690100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.805505] ==================================================================