Date
April 20, 2025, 11:09 p.m.
Environment | |
---|---|
x86 |
[ 16.746483] ================================================================== [ 16.757466] BUG: KASAN: invalid-free in kfree+0x274/0x3f0 [ 16.762871] Free of addr ffff888105eb8001 by task kunit_try_catch/193 [ 16.769312] [ 16.770812] CPU: 2 UID: 0 PID: 193 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc3 #1 PREEMPT(voluntary) [ 16.770821] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.770823] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.7 12/07/2021 [ 16.770826] Call Trace: [ 16.770827] <TASK> [ 16.770829] dump_stack_lvl+0x73/0xb0 [ 16.770833] print_report+0xd1/0x650 [ 16.770837] ? __virt_addr_valid+0x1db/0x2d0 [ 16.770841] ? kasan_addr_to_slab+0x11/0xa0 [ 16.770845] ? kfree+0x274/0x3f0 [ 16.770848] kasan_report_invalid_free+0x10a/0x130 [ 16.770853] ? kfree+0x274/0x3f0 [ 16.770856] ? kfree+0x274/0x3f0 [ 16.770859] __kasan_kfree_large+0x86/0xd0 [ 16.770863] free_large_kmalloc+0x4b/0x110 [ 16.770868] kfree+0x274/0x3f0 [ 16.770871] kmalloc_large_invalid_free+0x120/0x2b0 [ 16.770876] ? __pfx_kmalloc_large_invalid_free+0x10/0x10 [ 16.770880] ? __schedule+0x10cc/0x2b30 [ 16.770885] ? ktime_get_ts64+0x83/0x230 [ 16.770889] kunit_try_run_case+0x1a2/0x480 [ 16.770894] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.770898] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 16.770902] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.770907] ? __kthread_parkme+0x82/0x180 [ 16.770911] ? preempt_count_sub+0x50/0x80 [ 16.770915] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.770919] kunit_generic_run_threadfn_adapter+0x82/0xf0 [ 16.770923] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.770927] kthread+0x334/0x6f0 [ 16.770931] ? trace_preempt_on+0x20/0xc0 [ 16.770936] ? __pfx_kthread+0x10/0x10 [ 16.770940] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.770944] ? calculate_sigpending+0x7b/0xa0 [ 16.770948] ? __pfx_kthread+0x10/0x10 [ 16.770952] ret_from_fork+0x3e/0x80 [ 16.770956] ? __pfx_kthread+0x10/0x10 [ 16.770960] ret_from_fork_asm+0x1a/0x30 [ 16.770965] </TASK> [ 16.770967] [ 16.938615] The buggy address belongs to the physical page: [ 16.944188] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105eb8 [ 16.952194] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.959846] flags: 0x200000000000040(head|node=0|zone=2) [ 16.965160] page_type: f8(unknown) [ 16.968568] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.976313] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.984054] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.991886] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.999736] head: 0200000000000002 ffffea000417ae01 00000000ffffffff 00000000ffffffff [ 17.007565] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 17.015398] page dumped because: kasan: bad access detected [ 17.020971] [ 17.022470] Memory state around the buggy address: [ 17.027262] ffff888105eb7f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.034483] ffff888105eb7f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.041707] >ffff888105eb8000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.048954] ^ [ 17.052186] ffff888105eb8080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.059406] ffff888105eb8100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 17.066625] ==================================================================