Date
July 9, 2025, 2:07 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.740639] ================================================================== [ 16.740709] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 16.740764] Write of size 1 at addr fff00000c77da00a by task kunit_try_catch/146 [ 16.740853] [ 16.741022] CPU: 0 UID: 0 PID: 146 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.741134] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.741160] Hardware name: linux,dummy-virt (DT) [ 16.741215] Call trace: [ 16.741239] show_stack+0x20/0x38 (C) [ 16.741410] dump_stack_lvl+0x8c/0xd0 [ 16.741534] print_report+0x118/0x608 [ 16.741589] kasan_report+0xdc/0x128 [ 16.741885] __asan_report_store1_noabort+0x20/0x30 [ 16.741999] kmalloc_large_oob_right+0x278/0x2b8 [ 16.742107] kunit_try_run_case+0x170/0x3f0 [ 16.742207] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.742269] kthread+0x328/0x630 [ 16.742311] ret_from_fork+0x10/0x20 [ 16.742361] [ 16.742398] The buggy address belongs to the physical page: [ 16.742432] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1077d8 [ 16.742506] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.742563] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 16.742647] page_type: f8(unknown) [ 16.742693] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.742748] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.742802] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.743029] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.743121] head: 0bfffe0000000002 ffffc1ffc31df601 00000000ffffffff 00000000ffffffff [ 16.743243] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 16.743339] page dumped because: kasan: bad access detected [ 16.743465] [ 16.743541] Memory state around the buggy address: [ 16.743629] fff00000c77d9f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.743778] fff00000c77d9f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.743931] >fff00000c77da000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.744006] ^ [ 16.744471] fff00000c77da080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.744587] fff00000c77da100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.744688] ==================================================================
[ 12.237988] ================================================================== [ 12.238543] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 12.238855] Write of size 1 at addr ffff888102ab200a by task kunit_try_catch/163 [ 12.239255] [ 12.239375] CPU: 1 UID: 0 PID: 163 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.239422] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.239434] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.239454] Call Trace: [ 12.239466] <TASK> [ 12.239483] dump_stack_lvl+0x73/0xb0 [ 12.239513] print_report+0xd1/0x650 [ 12.239535] ? __virt_addr_valid+0x1db/0x2d0 [ 12.239559] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.239581] ? kasan_addr_to_slab+0x11/0xa0 [ 12.239613] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.239635] kasan_report+0x141/0x180 [ 12.239657] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.239685] __asan_report_store1_noabort+0x1b/0x30 [ 12.239709] kmalloc_large_oob_right+0x2e9/0x330 [ 12.239732] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 12.239757] ? __schedule+0x10cc/0x2b60 [ 12.239779] ? __pfx_read_tsc+0x10/0x10 [ 12.239810] ? ktime_get_ts64+0x86/0x230 [ 12.239835] kunit_try_run_case+0x1a5/0x480 [ 12.239870] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.239893] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.239917] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.239954] ? __kthread_parkme+0x82/0x180 [ 12.239986] ? preempt_count_sub+0x50/0x80 [ 12.240014] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.240039] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.240064] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.240089] kthread+0x337/0x6f0 [ 12.240117] ? trace_preempt_on+0x20/0xc0 [ 12.240141] ? __pfx_kthread+0x10/0x10 [ 12.240161] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.240193] ? calculate_sigpending+0x7b/0xa0 [ 12.240218] ? __pfx_kthread+0x10/0x10 [ 12.240239] ret_from_fork+0x116/0x1d0 [ 12.240258] ? __pfx_kthread+0x10/0x10 [ 12.240278] ret_from_fork_asm+0x1a/0x30 [ 12.240311] </TASK> [ 12.240320] [ 12.247752] The buggy address belongs to the physical page: [ 12.248178] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ab0 [ 12.248427] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.248794] flags: 0x200000000000040(head|node=0|zone=2) [ 12.249087] page_type: f8(unknown) [ 12.249265] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.249512] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.250134] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.250407] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.250659] head: 0200000000000002 ffffea00040aac01 00000000ffffffff 00000000ffffffff [ 12.250987] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 12.251386] page dumped because: kasan: bad access detected [ 12.251569] [ 12.251645] Memory state around the buggy address: [ 12.251800] ffff888102ab1f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.252467] ffff888102ab1f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.252964] >ffff888102ab2000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.253285] ^ [ 12.253410] ffff888102ab2080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.253806] ffff888102ab2100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.254393] ==================================================================