Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.816914] ================================================================== [ 21.818469] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 21.819239] Write of size 1 at addr fff00000c63ea00a by task kunit_try_catch/135 [ 21.820524] [ 21.820877] CPU: 0 UID: 0 PID: 135 Comm: kunit_try_catch Tainted: G B N 6.14.11-rc1 #1 [ 21.821336] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.821405] Hardware name: linux,dummy-virt (DT) [ 21.821480] Call trace: [ 21.821537] show_stack+0x20/0x38 (C) [ 21.821656] dump_stack_lvl+0x8c/0xd0 [ 21.821766] print_report+0x118/0x608 [ 21.821906] kasan_report+0xdc/0x128 [ 21.822029] __asan_report_store1_noabort+0x20/0x30 [ 21.822093] kmalloc_large_oob_right+0x278/0x2b8 [ 21.822151] kunit_try_run_case+0x170/0x3f0 [ 21.822223] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.822284] kthread+0x318/0x620 [ 21.822337] ret_from_fork+0x10/0x20 [ 21.822395] [ 21.830197] The buggy address belongs to the physical page: [ 21.831512] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063e8 [ 21.832267] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 21.833255] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 21.834446] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.835401] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 21.836282] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 21.837637] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 21.838592] head: 0bfffe0000000002 ffffc1ffc318fa01 ffffffffffffffff 0000000000000000 [ 21.839282] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 21.839872] page dumped because: kasan: bad access detected [ 21.840481] [ 21.840808] Memory state around the buggy address: [ 21.841522] fff00000c63e9f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.842583] fff00000c63e9f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 21.843446] >fff00000c63ea000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.844143] ^ [ 21.844563] fff00000c63ea080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.845711] fff00000c63ea100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 21.846319] ==================================================================
[ 16.691920] ================================================================== [ 16.693052] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2eb/0x340 [ 16.693765] Write of size 1 at addr ffff888102b5600a by task kunit_try_catch/154 [ 16.694712] [ 16.695006] CPU: 0 UID: 0 PID: 154 Comm: kunit_try_catch Tainted: G B N 6.14.11-rc1 #1 [ 16.695114] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.695146] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.695198] Call Trace: [ 16.695237] <TASK> [ 16.695279] dump_stack_lvl+0x73/0xb0 [ 16.695366] print_report+0xd1/0x650 [ 16.695456] ? __virt_addr_valid+0x1db/0x2d0 [ 16.695503] ? kmalloc_large_oob_right+0x2eb/0x340 [ 16.695544] ? kasan_addr_to_slab+0x11/0xa0 [ 16.695583] ? kmalloc_large_oob_right+0x2eb/0x340 [ 16.695626] kasan_report+0x140/0x180 [ 16.695674] ? kmalloc_large_oob_right+0x2eb/0x340 [ 16.695744] __asan_report_store1_noabort+0x1b/0x30 [ 16.695801] kmalloc_large_oob_right+0x2eb/0x340 [ 16.695845] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 16.695911] ? __schedule+0xce8/0x2840 [ 16.695974] ? __pfx_read_tsc+0x10/0x10 [ 16.696030] ? ktime_get_ts64+0x86/0x230 [ 16.696093] kunit_try_run_case+0x1a6/0x480 [ 16.696152] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.696202] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 16.696257] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.696313] ? __kthread_parkme+0x82/0x160 [ 16.696370] ? preempt_count_sub+0x50/0x80 [ 16.696427] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.696475] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.696528] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.696578] kthread+0x324/0x6e0 [ 16.696629] ? trace_preempt_on+0x20/0xc0 [ 16.696688] ? __pfx_kthread+0x10/0x10 [ 16.696742] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.696798] ? calculate_sigpending+0x7b/0xa0 [ 16.696850] ? __pfx_kthread+0x10/0x10 [ 16.697001] ret_from_fork+0x41/0x80 [ 16.697056] ? __pfx_kthread+0x10/0x10 [ 16.697108] ret_from_fork_asm+0x1a/0x30 [ 16.697189] </TASK> [ 16.697219] [ 16.713217] The buggy address belongs to the physical page: [ 16.714012] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b54 [ 16.714810] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 16.715354] flags: 0x200000000000040(head|node=0|zone=2) [ 16.716031] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.716764] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 16.717274] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 16.717883] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 16.718345] head: 0200000000000002 ffffea00040ad501 ffffffffffffffff 0000000000000000 [ 16.719014] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 16.720145] page dumped because: kasan: bad access detected [ 16.720607] [ 16.720745] Memory state around the buggy address: [ 16.721201] ffff888102b55f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.721697] ffff888102b55f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.722552] >ffff888102b56000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.723088] ^ [ 16.724068] ffff888102b56080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.724581] ffff888102b56100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.725318] ==================================================================