Date
July 11, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.385750] ================================================================== [ 16.385924] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 16.385978] Write of size 1 at addr fff00000c651a00a by task kunit_try_catch/147 [ 16.386225] [ 16.386268] CPU: 0 UID: 0 PID: 147 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 16.386604] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.386630] Hardware name: linux,dummy-virt (DT) [ 16.386671] Call trace: [ 16.386794] show_stack+0x20/0x38 (C) [ 16.386867] dump_stack_lvl+0x8c/0xd0 [ 16.386913] print_report+0x118/0x608 [ 16.386978] kasan_report+0xdc/0x128 [ 16.387023] __asan_report_store1_noabort+0x20/0x30 [ 16.387198] kmalloc_large_oob_right+0x278/0x2b8 [ 16.387245] kunit_try_run_case+0x170/0x3f0 [ 16.387918] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.388002] kthread+0x328/0x630 [ 16.388043] ret_from_fork+0x10/0x20 [ 16.388090] [ 16.388130] The buggy address belongs to the physical page: [ 16.388234] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106518 [ 16.388881] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.388936] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 16.390703] page_type: f8(unknown) [ 16.391819] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.391891] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.392328] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.392698] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 16.394922] head: 0bfffe0000000002 ffffc1ffc3194601 00000000ffffffff 00000000ffffffff [ 16.395156] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 16.395250] page dumped because: kasan: bad access detected [ 16.395282] [ 16.395300] Memory state around the buggy address: [ 16.395339] fff00000c6519f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.395380] fff00000c6519f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.395422] >fff00000c651a000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.395459] ^ [ 16.395488] fff00000c651a080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.395528] fff00000c651a100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.395565] ==================================================================
[ 11.888023] ================================================================== [ 11.888499] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 11.888979] Write of size 1 at addr ffff888102a3a00a by task kunit_try_catch/163 [ 11.889213] [ 11.889323] CPU: 1 UID: 0 PID: 163 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 11.889364] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.889375] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.889394] Call Trace: [ 11.889471] <TASK> [ 11.889486] dump_stack_lvl+0x73/0xb0 [ 11.889530] print_report+0xd1/0x650 [ 11.889552] ? __virt_addr_valid+0x1db/0x2d0 [ 11.889575] ? kmalloc_large_oob_right+0x2e9/0x330 [ 11.889597] ? kasan_addr_to_slab+0x11/0xa0 [ 11.889618] ? kmalloc_large_oob_right+0x2e9/0x330 [ 11.889641] kasan_report+0x141/0x180 [ 11.889664] ? kmalloc_large_oob_right+0x2e9/0x330 [ 11.889694] __asan_report_store1_noabort+0x1b/0x30 [ 11.889719] kmalloc_large_oob_right+0x2e9/0x330 [ 11.889742] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 11.889767] ? __schedule+0x10cc/0x2b60 [ 11.889789] ? __pfx_read_tsc+0x10/0x10 [ 11.889810] ? ktime_get_ts64+0x86/0x230 [ 11.889834] kunit_try_run_case+0x1a5/0x480 [ 11.889858] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.889880] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.889903] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.889936] ? __kthread_parkme+0x82/0x180 [ 11.889955] ? preempt_count_sub+0x50/0x80 [ 11.889979] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.890003] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.890063] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.890088] kthread+0x337/0x6f0 [ 11.890107] ? trace_preempt_on+0x20/0xc0 [ 11.890130] ? __pfx_kthread+0x10/0x10 [ 11.890150] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.890171] ? calculate_sigpending+0x7b/0xa0 [ 11.890195] ? __pfx_kthread+0x10/0x10 [ 11.890216] ret_from_fork+0x116/0x1d0 [ 11.890234] ? __pfx_kthread+0x10/0x10 [ 11.890254] ret_from_fork_asm+0x1a/0x30 [ 11.890286] </TASK> [ 11.890295] [ 11.898730] The buggy address belongs to the physical page: [ 11.898958] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a38 [ 11.899298] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 11.899730] flags: 0x200000000000040(head|node=0|zone=2) [ 11.900078] page_type: f8(unknown) [ 11.900322] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.900544] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 11.901032] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 11.901382] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 11.901685] head: 0200000000000002 ffffea00040a8e01 00000000ffffffff 00000000ffffffff [ 11.902222] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 11.902473] page dumped because: kasan: bad access detected [ 11.902708] [ 11.902883] Memory state around the buggy address: [ 11.903295] ffff888102a39f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.903574] ffff888102a39f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.903961] >ffff888102a3a000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 11.904272] ^ [ 11.904394] ffff888102a3a080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 11.904737] ffff888102a3a100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 11.905093] ==================================================================