Date
June 25, 2025, 8:08 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 26.353754] ================================================================== [ 26.353945] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 26.354119] Write of size 1 at addr fff00000c667600a by task kunit_try_catch/158 [ 26.354186] [ 26.354248] CPU: 1 UID: 0 PID: 158 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250625 #1 PREEMPT [ 26.354334] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.354666] Hardware name: linux,dummy-virt (DT) [ 26.354708] Call trace: [ 26.354802] show_stack+0x20/0x38 (C) [ 26.354852] dump_stack_lvl+0x8c/0xd0 [ 26.354899] print_report+0x118/0x608 [ 26.354945] kasan_report+0xdc/0x128 [ 26.354989] __asan_report_store1_noabort+0x20/0x30 [ 26.355035] kmalloc_large_oob_right+0x278/0x2b8 [ 26.355080] kunit_try_run_case+0x170/0x3f0 [ 26.355129] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.355180] kthread+0x328/0x630 [ 26.355220] ret_from_fork+0x10/0x20 [ 26.355273] [ 26.355480] The buggy address belongs to the physical page: [ 26.355655] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106674 [ 26.355733] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 26.355956] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 26.356017] page_type: f8(unknown) [ 26.356484] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 26.356733] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 26.356786] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 26.356832] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 26.356878] head: 0bfffe0000000002 ffffc1ffc3199d01 00000000ffffffff 00000000ffffffff [ 26.356925] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 26.356963] page dumped because: kasan: bad access detected [ 26.356993] [ 26.357411] Memory state around the buggy address: [ 26.357538] fff00000c6675f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.357646] fff00000c6675f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.357716] >fff00000c6676000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 26.357752] ^ [ 26.357780] fff00000c6676080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 26.357821] fff00000c6676100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 26.358012] ==================================================================
[ 21.381411] ================================================================== [ 21.382445] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 21.382686] Write of size 1 at addr ffff888102cce00a by task kunit_try_catch/175 [ 21.382901] [ 21.383006] CPU: 1 UID: 0 PID: 175 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc3-next-20250625 #1 PREEMPT(voluntary) [ 21.383079] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.383111] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.383132] Call Trace: [ 21.383145] <TASK> [ 21.383162] dump_stack_lvl+0x73/0xb0 [ 21.383188] print_report+0xd1/0x650 [ 21.383209] ? __virt_addr_valid+0x1db/0x2d0 [ 21.383232] ? kmalloc_large_oob_right+0x2e9/0x330 [ 21.383253] ? kasan_addr_to_slab+0x11/0xa0 [ 21.383272] ? kmalloc_large_oob_right+0x2e9/0x330 [ 21.383345] kasan_report+0x141/0x180 [ 21.383396] ? kmalloc_large_oob_right+0x2e9/0x330 [ 21.383424] __asan_report_store1_noabort+0x1b/0x30 [ 21.383447] kmalloc_large_oob_right+0x2e9/0x330 [ 21.383468] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 21.383490] ? __schedule+0x10cc/0x2b60 [ 21.383515] ? __pfx_read_tsc+0x10/0x10 [ 21.383535] ? ktime_get_ts64+0x86/0x230 [ 21.383561] kunit_try_run_case+0x1a5/0x480 [ 21.383587] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.383609] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 21.383628] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 21.383652] ? __kthread_parkme+0x82/0x180 [ 21.383673] ? preempt_count_sub+0x50/0x80 [ 21.383731] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.383756] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.383779] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 21.383847] kthread+0x337/0x6f0 [ 21.383866] ? trace_preempt_on+0x20/0xc0 [ 21.383889] ? __pfx_kthread+0x10/0x10 [ 21.383946] ? _raw_spin_unlock_irq+0x47/0x80 [ 21.383969] ? calculate_sigpending+0x7b/0xa0 [ 21.383992] ? __pfx_kthread+0x10/0x10 [ 21.384013] ret_from_fork+0x116/0x1d0 [ 21.384032] ? __pfx_kthread+0x10/0x10 [ 21.384053] ret_from_fork_asm+0x1a/0x30 [ 21.384089] </TASK> [ 21.384100] [ 21.394348] The buggy address belongs to the physical page: [ 21.394766] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102ccc [ 21.395364] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 21.396008] flags: 0x200000000000040(head|node=0|zone=2) [ 21.396277] page_type: f8(unknown) [ 21.396571] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.397116] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 21.397544] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.398434] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 21.399473] head: 0200000000000002 ffffea00040b3301 00000000ffffffff 00000000ffffffff [ 21.400412] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 21.400978] page dumped because: kasan: bad access detected [ 21.401588] [ 21.402024] Memory state around the buggy address: [ 21.402208] ffff888102ccdf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.402420] ffff888102ccdf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.402626] >ffff888102cce000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.403133] ^ [ 21.403613] ffff888102cce080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.404418] ffff888102cce100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.405265] ==================================================================