Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.973530] ================================================================== [ 21.973735] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 21.973897] Write of size 1 at addr fff00000c642e00a by task kunit_try_catch/150 [ 21.974026] [ 21.974118] CPU: 1 UID: 0 PID: 150 Comm: kunit_try_catch Tainted: G B N 6.15.2-rc1 #1 PREEMPT [ 21.974344] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.974427] Hardware name: linux,dummy-virt (DT) [ 21.974498] Call trace: [ 21.974556] show_stack+0x20/0x38 (C) [ 21.974816] dump_stack_lvl+0x8c/0xd0 [ 21.975239] print_report+0x118/0x608 [ 21.975524] kasan_report+0xdc/0x128 [ 21.975749] __asan_report_store1_noabort+0x20/0x30 [ 21.975853] kmalloc_large_oob_right+0x278/0x2b8 [ 21.975963] kunit_try_run_case+0x170/0x3f0 [ 21.976313] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.976478] kthread+0x328/0x630 [ 21.976594] ret_from_fork+0x10/0x20 [ 21.976716] [ 21.976809] The buggy address belongs to the physical page: [ 21.976917] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10642c [ 21.977113] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 21.977242] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 21.977420] page_type: f8(unknown) [ 21.977514] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.977662] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 21.978213] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.978386] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 21.978515] head: 0bfffe0000000002 ffffc1ffc3190b01 00000000ffffffff 00000000ffffffff [ 21.978745] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 21.978829] page dumped because: kasan: bad access detected [ 21.979008] [ 21.979084] Memory state around the buggy address: [ 21.979199] fff00000c642df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.979323] fff00000c642df80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.979476] >fff00000c642e000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.979633] ^ [ 21.979736] fff00000c642e080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.979867] fff00000c642e100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.980015] ==================================================================
[ 12.964055] ================================================================== [ 12.964625] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 12.965372] Write of size 1 at addr ffff88810227600a by task kunit_try_catch/166 [ 12.966172] [ 12.966313] CPU: 0 UID: 0 PID: 166 Comm: kunit_try_catch Tainted: G B N 6.15.2-rc1 #1 PREEMPT(voluntary) [ 12.966376] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.966390] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.966413] Call Trace: [ 12.966431] <TASK> [ 12.966454] dump_stack_lvl+0x73/0xb0 [ 12.966499] print_report+0xd1/0x650 [ 12.966526] ? __virt_addr_valid+0x1db/0x2d0 [ 12.966550] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.966603] ? kasan_addr_to_slab+0x11/0xa0 [ 12.966640] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.966681] kasan_report+0x141/0x180 [ 12.966721] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.966767] __asan_report_store1_noabort+0x1b/0x30 [ 12.966805] kmalloc_large_oob_right+0x2e9/0x330 [ 12.966850] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 12.966899] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 12.966952] kunit_try_run_case+0x1a5/0x480 [ 12.967347] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.967375] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.967402] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.967424] ? __kthread_parkme+0x82/0x180 [ 12.967448] ? preempt_count_sub+0x50/0x80 [ 12.967476] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.967501] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.967523] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.967546] kthread+0x337/0x6f0 [ 12.967578] ? trace_preempt_on+0x20/0xc0 [ 12.967610] ? __pfx_kthread+0x10/0x10 [ 12.967640] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.967674] ? calculate_sigpending+0x7b/0xa0 [ 12.967709] ? __pfx_kthread+0x10/0x10 [ 12.967737] ret_from_fork+0x41/0x80 [ 12.967772] ? __pfx_kthread+0x10/0x10 [ 12.967800] ret_from_fork_asm+0x1a/0x30 [ 12.967842] </TASK> [ 12.967856] [ 12.985471] The buggy address belongs to the physical page: [ 12.986967] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102274 [ 12.987337] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.987922] flags: 0x200000000000040(head|node=0|zone=2) [ 12.988391] page_type: f8(unknown) [ 12.988605] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.989335] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.989857] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.990397] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.991055] head: 0200000000000002 ffffea0004089d01 00000000ffffffff 00000000ffffffff [ 12.991439] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 12.992457] page dumped because: kasan: bad access detected [ 12.992773] [ 12.993292] Memory state around the buggy address: [ 12.993523] ffff888102275f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.994022] ffff888102275f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.994994] >ffff888102276000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.995514] ^ [ 12.995756] ffff888102276080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.996077] ffff888102276100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.996381] ==================================================================