Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 20.406623] ================================================================== [ 20.407711] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x28c/0x2d0 [ 20.408475] Write of size 1 at addr fff00000c695e00a by task kunit_try_catch/134 [ 20.410091] [ 20.410449] CPU: 0 UID: 0 PID: 134 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 20.410654] Tainted: [B]=BAD_PAGE, [N]=TEST [ 20.410726] Hardware name: linux,dummy-virt (DT) [ 20.410809] Call trace: [ 20.410873] dump_backtrace+0x9c/0x128 [ 20.411011] show_stack+0x20/0x38 [ 20.411118] dump_stack_lvl+0x8c/0xd0 [ 20.411231] print_report+0x118/0x5f0 [ 20.411340] kasan_report+0xdc/0x128 [ 20.411678] __asan_report_store1_noabort+0x20/0x30 [ 20.411755] kmalloc_large_oob_right+0x28c/0x2d0 [ 20.411806] kunit_try_run_case+0x170/0x3f0 [ 20.411852] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 20.411904] kthread+0x24c/0x2d0 [ 20.411949] ret_from_fork+0x10/0x20 [ 20.412047] [ 20.419229] The buggy address belongs to the physical page: [ 20.420295] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10695c [ 20.421093] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 20.421871] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 20.422693] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 20.424332] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.425089] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 20.425870] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 20.426752] head: 0bfffe0000000002 ffffc1ffc31a5701 ffffffffffffffff 0000000000000000 [ 20.427517] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 20.428647] page dumped because: kasan: bad access detected [ 20.429367] [ 20.429659] Memory state around the buggy address: [ 20.430190] fff00000c695df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.430975] fff00000c695df80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 20.431631] >fff00000c695e000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 20.433179] ^ [ 20.433699] fff00000c695e080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 20.434422] fff00000c695e100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 20.435119] ==================================================================
[ 16.509815] ================================================================== [ 16.510580] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2eb/0x340 [ 16.512773] Write of size 1 at addr ffff888102bde00a by task kunit_try_catch/151 [ 16.513338] [ 16.513820] CPU: 0 UID: 0 PID: 151 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 16.514003] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.514042] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.514098] Call Trace: [ 16.514146] <TASK> [ 16.514187] dump_stack_lvl+0x73/0xb0 [ 16.514256] print_report+0xd1/0x640 [ 16.514294] ? __virt_addr_valid+0x1db/0x2d0 [ 16.514329] ? kmalloc_large_oob_right+0x2eb/0x340 [ 16.514362] ? kasan_addr_to_slab+0x11/0xa0 [ 16.514393] ? kmalloc_large_oob_right+0x2eb/0x340 [ 16.514427] kasan_report+0x140/0x180 [ 16.514490] ? kmalloc_large_oob_right+0x2eb/0x340 [ 16.514574] __asan_report_store1_noabort+0x1b/0x30 [ 16.514610] kmalloc_large_oob_right+0x2eb/0x340 [ 16.514647] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 16.514686] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 16.514726] kunit_try_run_case+0x1a6/0x480 [ 16.514759] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.514787] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 16.514839] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.514883] ? __kthread_parkme+0x82/0x160 [ 16.514912] ? preempt_count_sub+0x50/0x80 [ 16.514944] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.514972] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.515009] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.515046] kthread+0x257/0x310 [ 16.515072] ? __pfx_kthread+0x10/0x10 [ 16.515099] ret_from_fork+0x41/0x80 [ 16.515128] ? __pfx_kthread+0x10/0x10 [ 16.515154] ret_from_fork_asm+0x1a/0x30 [ 16.515196] </TASK> [ 16.515229] [ 16.534288] The buggy address belongs to the physical page: [ 16.535094] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102bdc [ 16.535812] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.536456] flags: 0x200000000000040(head|node=0|zone=2) [ 16.537374] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.538139] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 16.539342] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.539915] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 16.540412] head: 0200000000000002 ffffea00040af701 ffffffffffffffff 0000000000000000 [ 16.541389] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 16.542279] page dumped because: kasan: bad access detected [ 16.542701] [ 16.542910] Memory state around the buggy address: [ 16.543720] ffff888102bddf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.544423] ffff888102bddf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.545104] >ffff888102bde000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.545792] ^ [ 16.546420] ffff888102bde080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.547065] ffff888102bde100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.547648] ==================================================================