Date
July 9, 2025, 1:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 29.063509] ================================================================== [ 29.063576] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 29.063703] Write of size 1 at addr fff00000c9afa00a by task kunit_try_catch/178 [ 29.063823] [ 29.063856] CPU: 0 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250709 #1 PREEMPT [ 29.064749] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.064785] Hardware name: linux,dummy-virt (DT) [ 29.064869] Call trace: [ 29.064892] show_stack+0x20/0x38 (C) [ 29.065206] dump_stack_lvl+0x8c/0xd0 [ 29.065306] print_report+0x118/0x5d0 [ 29.065368] kasan_report+0xdc/0x128 [ 29.065558] __asan_report_store1_noabort+0x20/0x30 [ 29.065652] kmalloc_large_oob_right+0x278/0x2b8 [ 29.065805] kunit_try_run_case+0x170/0x3f0 [ 29.065855] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.066091] kthread+0x328/0x630 [ 29.066148] ret_from_fork+0x10/0x20 [ 29.066448] [ 29.066544] The buggy address belongs to the physical page: [ 29.066577] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109af8 [ 29.066627] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 29.066682] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 29.066824] page_type: f8(unknown) [ 29.067116] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 29.067475] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 29.067592] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 29.067700] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 29.067971] head: 0bfffe0000000002 ffffc1ffc326be01 00000000ffffffff 00000000ffffffff [ 29.068215] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 29.068257] page dumped because: kasan: bad access detected [ 29.068340] [ 29.068413] Memory state around the buggy address: [ 29.068486] fff00000c9af9f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.068527] fff00000c9af9f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.068588] >fff00000c9afa000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 29.068627] ^ [ 29.068656] fff00000c9afa080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 29.068695] fff00000c9afa100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 29.068731] ==================================================================
[ 23.641289] ================================================================== [ 23.641774] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 23.642224] Write of size 1 at addr ffff88810616e00a by task kunit_try_catch/196 [ 23.642544] [ 23.642652] CPU: 0 UID: 0 PID: 196 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) [ 23.642718] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 23.642732] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.642754] Call Trace: [ 23.642769] <TASK> [ 23.642808] dump_stack_lvl+0x73/0xb0 [ 23.642843] print_report+0xd1/0x610 [ 23.642866] ? __virt_addr_valid+0x1db/0x2d0 [ 23.642892] ? kmalloc_large_oob_right+0x2e9/0x330 [ 23.642914] ? kasan_addr_to_slab+0x11/0xa0 [ 23.642934] ? kmalloc_large_oob_right+0x2e9/0x330 [ 23.642955] kasan_report+0x141/0x180 [ 23.643030] ? kmalloc_large_oob_right+0x2e9/0x330 [ 23.643060] __asan_report_store1_noabort+0x1b/0x30 [ 23.643084] kmalloc_large_oob_right+0x2e9/0x330 [ 23.643105] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 23.643127] ? __schedule+0x10cc/0x2b60 [ 23.643151] ? __pfx_read_tsc+0x10/0x10 [ 23.643174] ? ktime_get_ts64+0x86/0x230 [ 23.643200] kunit_try_run_case+0x1a5/0x480 [ 23.643223] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.643242] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 23.643265] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.643289] ? __kthread_parkme+0x82/0x180 [ 23.643310] ? preempt_count_sub+0x50/0x80 [ 23.643334] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.643354] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.643379] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.643403] kthread+0x337/0x6f0 [ 23.643422] ? trace_preempt_on+0x20/0xc0 [ 23.643446] ? __pfx_kthread+0x10/0x10 [ 23.643466] ? _raw_spin_unlock_irq+0x47/0x80 [ 23.643487] ? calculate_sigpending+0x7b/0xa0 [ 23.643511] ? __pfx_kthread+0x10/0x10 [ 23.643532] ret_from_fork+0x116/0x1d0 [ 23.643550] ? __pfx_kthread+0x10/0x10 [ 23.643570] ret_from_fork_asm+0x1a/0x30 [ 23.643601] </TASK> [ 23.643613] [ 23.652807] The buggy address belongs to the physical page: [ 23.653408] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10616c [ 23.654092] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 23.654326] flags: 0x200000000000040(head|node=0|zone=2) [ 23.654520] page_type: f8(unknown) [ 23.654648] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 23.654928] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 23.655157] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 23.655379] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 23.656620] head: 0200000000000002 ffffea0004185b01 00000000ffffffff 00000000ffffffff [ 23.657759] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 23.658584] page dumped because: kasan: bad access detected [ 23.658998] [ 23.659128] Memory state around the buggy address: [ 23.659288] ffff88810616df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.659497] ffff88810616df80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.659718] >ffff88810616e000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 23.659931] ^ [ 23.660050] ffff88810616e080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 23.660257] ffff88810616e100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 23.660462] ==================================================================