Date
July 16, 2025, 12:11 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 30.372813] ================================================================== [ 30.372878] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 30.372953] Write of size 1 at addr fff00000c9a0a00a by task kunit_try_catch/177 [ 30.373002] [ 30.373032] CPU: 0 UID: 0 PID: 177 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT [ 30.373121] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.373147] Hardware name: linux,dummy-virt (DT) [ 30.373177] Call trace: [ 30.373198] show_stack+0x20/0x38 (C) [ 30.373243] dump_stack_lvl+0x8c/0xd0 [ 30.373289] print_report+0x118/0x5d0 [ 30.373361] kasan_report+0xdc/0x128 [ 30.373402] __asan_report_store1_noabort+0x20/0x30 [ 30.373449] kmalloc_large_oob_right+0x278/0x2b8 [ 30.373497] kunit_try_run_case+0x170/0x3f0 [ 30.373554] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.373621] kthread+0x328/0x630 [ 30.373679] ret_from_fork+0x10/0x20 [ 30.373725] [ 30.373790] The buggy address belongs to the physical page: [ 30.373857] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109a08 [ 30.373909] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 30.373981] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 30.374075] page_type: f8(unknown) [ 30.374171] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 30.374226] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 30.374280] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 30.374328] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 30.374419] head: 0bfffe0000000002 ffffc1ffc3268201 00000000ffffffff 00000000ffffffff [ 30.374484] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 30.374595] page dumped because: kasan: bad access detected [ 30.374645] [ 30.374671] Memory state around the buggy address: [ 30.374704] fff00000c9a09f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.374747] fff00000c9a09f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 30.374887] >fff00000c9a0a000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 30.374947] ^ [ 30.375030] fff00000c9a0a080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 30.375126] fff00000c9a0a100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 30.375163] ==================================================================
[ 22.763455] ================================================================== [ 22.764481] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 22.765124] Write of size 1 at addr ffff8881050ee00a by task kunit_try_catch/195 [ 22.765448] [ 22.765533] CPU: 0 UID: 0 PID: 195 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6-next-20250716 #1 PREEMPT(voluntary) [ 22.765662] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.765674] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.765936] Call Trace: [ 22.765951] <TASK> [ 22.765967] dump_stack_lvl+0x73/0xb0 [ 22.765999] print_report+0xd1/0x610 [ 22.766020] ? __virt_addr_valid+0x1db/0x2d0 [ 22.766042] ? kmalloc_large_oob_right+0x2e9/0x330 [ 22.766063] ? kasan_addr_to_slab+0x11/0xa0 [ 22.766082] ? kmalloc_large_oob_right+0x2e9/0x330 [ 22.766104] kasan_report+0x141/0x180 [ 22.766125] ? kmalloc_large_oob_right+0x2e9/0x330 [ 22.766151] __asan_report_store1_noabort+0x1b/0x30 [ 22.766174] kmalloc_large_oob_right+0x2e9/0x330 [ 22.766196] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 22.766218] ? __schedule+0x10c6/0x2b60 [ 22.766239] ? __pfx_read_tsc+0x10/0x10 [ 22.766275] ? ktime_get_ts64+0x86/0x230 [ 22.766300] kunit_try_run_case+0x1a5/0x480 [ 22.766322] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.766344] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 22.766365] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 22.766387] ? __kthread_parkme+0x82/0x180 [ 22.766407] ? preempt_count_sub+0x50/0x80 [ 22.766429] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.766453] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.766480] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 22.766505] kthread+0x337/0x6f0 [ 22.766524] ? trace_preempt_on+0x20/0xc0 [ 22.766734] ? __pfx_kthread+0x10/0x10 [ 22.766757] ? _raw_spin_unlock_irq+0x47/0x80 [ 22.766777] ? calculate_sigpending+0x7b/0xa0 [ 22.766801] ? __pfx_kthread+0x10/0x10 [ 22.766822] ret_from_fork+0x116/0x1d0 [ 22.766841] ? __pfx_kthread+0x10/0x10 [ 22.766861] ret_from_fork_asm+0x1a/0x30 [ 22.766946] </TASK> [ 22.766956] [ 22.778304] The buggy address belongs to the physical page: [ 22.778556] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1050ec [ 22.779225] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 22.779750] flags: 0x200000000000040(head|node=0|zone=2) [ 22.780166] page_type: f8(unknown) [ 22.780418] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 22.780657] raw: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 22.780877] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 22.781096] head: 0000000000000000 0000000000000000 00000000f8000000 0000000000000000 [ 22.781346] head: 0200000000000002 ffffea0004143b01 00000000ffffffff 00000000ffffffff [ 22.781688] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 22.782192] page dumped because: kasan: bad access detected [ 22.782633] [ 22.782795] Memory state around the buggy address: [ 22.783220] ffff8881050edf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.783447] ffff8881050edf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 22.784029] >ffff8881050ee000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 22.784673] ^ [ 22.785098] ffff8881050ee080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 22.785464] ffff8881050ee100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 22.786103] ==================================================================