Date
Feb. 5, 2025, 2:09 p.m.
| Environment | |
|---|---|
| qemu-armv7 | |
| qemu-x86_64 |
[ 144.414014] ================================================================== [ 144.415174] BUG: KASAN: slab-out-of-bounds in kmalloc_pagealloc_oob_right+0xb4/0x1bc [ 144.415900] Write of size 1 at addr c4ffe00a by task kunit_try_catch/117 [ 144.416714] [ 144.417012] CPU: 0 PID: 117 Comm: kunit_try_catch Tainted: G B N 6.6.76-rc1 #1 [ 144.417861] Hardware name: Generic DT based system [ 144.418597] unwind_backtrace from show_stack+0x18/0x1c [ 144.419322] show_stack from dump_stack_lvl+0x58/0x70 [ 144.419986] dump_stack_lvl from print_report+0x164/0x51c [ 144.420850] print_report from kasan_report+0xc8/0x104 [ 144.421475] kasan_report from kmalloc_pagealloc_oob_right+0xb4/0x1bc [ 144.422450] kmalloc_pagealloc_oob_right from kunit_try_run_case+0x11c/0x2e4 [ 144.423354] kunit_try_run_case from kunit_generic_run_threadfn_adapter+0x2c/0x48 [ 144.424305] kunit_generic_run_threadfn_adapter from kthread+0x184/0x1a8 [ 144.425152] kthread from ret_from_fork+0x14/0x30 [ 144.425744] Exception stack(0xf9ec3fb0 to 0xf9ec3ff8) [ 144.426330] 3fa0: 00000000 00000000 00000000 00000000 [ 144.427236] 3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 144.428158] 3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 144.428869] [ 144.429164] The buggy address belongs to the physical page: [ 144.429865] page:a8595845 refcount:1 mapcount:0 mapping:00000000 index:0x0 pfn:0x44ffc [ 144.430729] head:a8595845 order:2 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 144.431558] flags: 0x40(head|zone=0) [ 144.432069] page_type: 0xffffffff() [ 144.432677] raw: 00000040 00000000 00000122 00000000 00000000 00000000 ffffffff 00000001 [ 144.433508] raw: 00000000 [ 144.433889] page dumped because: kasan: bad access detected [ 144.434493] [ 144.434813] Memory state around the buggy address: [ 144.435424] c4ffdf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 144.436217] c4ffdf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 144.437018] >c4ffe000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 144.437674] ^ [ 144.438081] c4ffe080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 144.438801] c4ffe100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 144.439485] ==================================================================
[ 46.834440] ================================================================== [ 46.835983] BUG: KASAN: slab-out-of-bounds in kmalloc_pagealloc_oob_right+0xab/0x1c0 [ 46.836777] Write of size 1 at addr ffff88810207a00a by task kunit_try_catch/140 [ 46.837474] [ 46.837719] CPU: 0 PID: 140 Comm: kunit_try_catch Tainted: G B N 6.6.76-rc1 #1 [ 46.838943] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 46.840519] Call Trace: [ 46.840913] <TASK> [ 46.841284] dump_stack_lvl+0x4e/0x90 [ 46.841883] print_report+0xd2/0x660 [ 46.842463] ? __virt_addr_valid+0x156/0x1e0 [ 46.843100] ? kasan_addr_to_slab+0x11/0xb0 [ 46.844084] kasan_report+0xff/0x140 [ 46.844976] ? kmalloc_pagealloc_oob_right+0xab/0x1c0 [ 46.845528] ? kmalloc_pagealloc_oob_right+0xab/0x1c0 [ 46.846254] __asan_store1+0x69/0x70 [ 46.846774] kmalloc_pagealloc_oob_right+0xab/0x1c0 [ 46.847364] ? __pfx_kmalloc_pagealloc_oob_right+0x10/0x10 [ 46.847893] ? __pfx_kmalloc_pagealloc_oob_right+0x10/0x10 [ 46.848804] ? kunit_try_run_case+0x11b/0x290 [ 46.849610] kunit_try_run_case+0x126/0x290 [ 46.850274] ? __pfx_kunit_try_run_case+0x10/0x10 [ 46.851182] ? __kasan_check_write+0x18/0x20 [ 46.851982] ? trace_preempt_on+0x20/0xa0 [ 46.852532] ? __kthread_parkme+0x4f/0xd0 [ 46.853134] ? preempt_count_sub+0x50/0x80 [ 46.853711] ? __pfx_kunit_try_run_case+0x10/0x10 [ 46.854348] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 46.855253] kunit_generic_run_threadfn_adapter+0x33/0x50 [ 46.856255] kthread+0x19e/0x1e0 [ 46.856837] ? __pfx_kthread+0x10/0x10 [ 46.857370] ret_from_fork+0x41/0x70 [ 46.857930] ? __pfx_kthread+0x10/0x10 [ 46.858505] ret_from_fork_asm+0x1b/0x30 [ 46.859208] </TASK> [ 46.859999] [ 46.860334] The buggy address belongs to the physical page: [ 46.861402] page:(____ptrval____) refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102078 [ 46.862300] head:(____ptrval____) order:2 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 46.863487] flags: 0x200000000000040(head|node=0|zone=2) [ 46.864130] page_type: 0xffffffff() [ 46.864672] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 46.865461] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 46.866199] page dumped because: kasan: bad access detected [ 46.866837] [ 46.867293] Memory state around the buggy address: [ 46.867778] ffff888102079f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 46.869172] ffff888102079f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 46.869914] >ffff88810207a000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 46.870643] ^ [ 46.871074] ffff88810207a080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 46.872377] ffff88810207a100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 46.873010] ==================================================================