Date
Nov. 22, 2024, 6:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.362683] ================================================================== [ 32.364186] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 32.365679] Write of size 1 at addr fff00000c699600a by task kunit_try_catch/135 [ 32.367217] [ 32.368068] CPU: 0 UID: 0 PID: 135 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241122 #1 [ 32.370384] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.371274] Hardware name: linux,dummy-virt (DT) [ 32.371915] Call trace: [ 32.372303] show_stack+0x20/0x38 (C) [ 32.373325] dump_stack_lvl+0x8c/0xd0 [ 32.373985] print_report+0x118/0x5e0 [ 32.374555] kasan_report+0xc8/0x118 [ 32.375103] __asan_report_store1_noabort+0x20/0x30 [ 32.375921] kmalloc_large_oob_right+0x278/0x2b8 [ 32.376578] kunit_try_run_case+0x14c/0x3d0 [ 32.377653] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.378534] kthread+0x24c/0x2d0 [ 32.379188] ret_from_fork+0x10/0x20 [ 32.379851] [ 32.380239] The buggy address belongs to the physical page: [ 32.381045] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106994 [ 32.382152] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 32.383400] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 32.384199] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 32.385650] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 32.386788] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 32.388853] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 32.389977] head: 0bfffe0000000002 ffffc1ffc31a6501 ffffffffffffffff 0000000000000000 [ 32.391103] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 32.391996] page dumped because: kasan: bad access detected [ 32.393299] [ 32.393693] Memory state around the buggy address: [ 32.394071] fff00000c6995f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.394570] fff00000c6995f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 32.395668] >fff00000c6996000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 32.396805] ^ [ 32.397321] fff00000c6996080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 32.398563] fff00000c6996100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 32.399818] ==================================================================
[ 24.021494] ================================================================== [ 24.022372] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2eb/0x340 [ 24.023256] Write of size 1 at addr ffff8881023b200a by task kunit_try_catch/154 [ 24.024897] [ 24.025499] CPU: 1 UID: 0 PID: 154 Comm: kunit_try_catch Tainted: G B N 6.12.0-next-20241122 #1 [ 24.026622] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.027045] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.027843] Call Trace: [ 24.028130] <TASK> [ 24.028566] dump_stack_lvl+0x73/0xb0 [ 24.029134] print_report+0xd1/0x640 [ 24.030115] ? __virt_addr_valid+0x1db/0x2d0 [ 24.030789] ? kasan_addr_to_slab+0x11/0xa0 [ 24.031262] kasan_report+0x102/0x140 [ 24.031620] ? kmalloc_large_oob_right+0x2eb/0x340 [ 24.032062] ? kmalloc_large_oob_right+0x2eb/0x340 [ 24.033377] __asan_report_store1_noabort+0x1b/0x30 [ 24.034138] kmalloc_large_oob_right+0x2eb/0x340 [ 24.034588] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 24.035019] ? __schedule+0xc3e/0x2790 [ 24.035697] ? __pfx_read_tsc+0x10/0x10 [ 24.036165] ? ktime_get_ts64+0x84/0x230 [ 24.036688] kunit_try_run_case+0x1b3/0x490 [ 24.037042] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.037860] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 24.038403] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.039240] ? __kthread_parkme+0x82/0x160 [ 24.039661] ? preempt_count_sub+0x50/0x80 [ 24.040331] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.040712] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.041688] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.042170] kthread+0x257/0x310 [ 24.042757] ? __pfx_kthread+0x10/0x10 [ 24.043159] ret_from_fork+0x41/0x80 [ 24.043968] ? __pfx_kthread+0x10/0x10 [ 24.044296] ret_from_fork_asm+0x1a/0x30 [ 24.044910] </TASK> [ 24.045323] [ 24.045560] The buggy address belongs to the physical page: [ 24.046185] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1023b0 [ 24.046581] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 24.047226] flags: 0x200000000000040(head|node=0|zone=2) [ 24.048088] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 24.048857] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 24.049635] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 24.050083] head: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 24.052089] head: 0200000000000002 ffffea000408ec01 ffffffffffffffff 0000000000000000 [ 24.053304] head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 24.054195] page dumped because: kasan: bad access detected [ 24.054696] [ 24.055079] Memory state around the buggy address: [ 24.055534] ffff8881023b1f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.056333] ffff8881023b1f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 24.056858] >ffff8881023b2000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 24.057757] ^ [ 24.058216] ffff8881023b2080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 24.058873] ffff8881023b2100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 24.059392] ==================================================================