Date
June 17, 2025, 3:39 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 91.538644] ================================================================== [ 91.540293] BUG: KASAN: slab-out-of-bounds in kmalloc_pagealloc_oob_right+0xac/0x1c0 [ 91.541447] Write of size 1 at addr ffff0000c5fa200a by task kunit_try_catch/123 [ 91.542530] [ 91.543026] CPU: 1 PID: 123 Comm: kunit_try_catch Tainted: G B N 6.6.94-rc1 #1 [ 91.544587] Hardware name: linux,dummy-virt (DT) [ 91.545457] Call trace: [ 91.546033] dump_backtrace+0x9c/0x128 [ 91.546907] show_stack+0x20/0x38 [ 91.547706] dump_stack_lvl+0x60/0xb0 [ 91.548622] print_report+0xf8/0x5e8 [ 91.549489] kasan_report+0xdc/0x128 [ 91.550299] __asan_store1+0x60/0x70 [ 91.551135] kmalloc_pagealloc_oob_right+0xac/0x1c0 [ 91.552245] kunit_try_run_case+0x114/0x298 [ 91.553183] kunit_generic_run_threadfn_adapter+0x38/0x60 [ 91.554201] kthread+0x18c/0x1a8 [ 91.555128] ret_from_fork+0x10/0x20 [ 91.555694] [ 91.556284] The buggy address belongs to the physical page: [ 91.557348] page:00000000fbc828a4 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105fa0 [ 91.558513] head:00000000fbc828a4 order:2 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 91.559596] flags: 0xbfffc0000000040(head|node=0|zone=2|lastcpupid=0xffff) [ 91.560742] page_type: 0xffffffff() [ 91.561522] raw: 0bfffc0000000040 0000000000000000 dead000000000122 0000000000000000 [ 91.562498] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 91.563844] page dumped because: kasan: bad access detected [ 91.564973] [ 91.565445] Memory state around the buggy address: [ 91.566330] ffff0000c5fa1f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 91.567446] ffff0000c5fa1f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 91.568643] >ffff0000c5fa2000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 91.569723] ^ [ 91.570488] ffff0000c5fa2080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 91.571786] ffff0000c5fa2100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 91.572927] ==================================================================
[ 33.203515] ================================================================== [ 33.204229] BUG: KASAN: slab-out-of-bounds in kmalloc_pagealloc_oob_right+0xab/0x1c0 [ 33.204634] Write of size 1 at addr ffff88810207200a by task kunit_try_catch/138 [ 33.206016] [ 33.206406] CPU: 0 PID: 138 Comm: kunit_try_catch Tainted: G B N 6.6.94-rc1 #1 [ 33.207535] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 33.208615] Call Trace: [ 33.208997] <TASK> [ 33.209358] dump_stack_lvl+0x4e/0x90 [ 33.209921] print_report+0xd2/0x650 [ 33.210414] ? __virt_addr_valid+0x156/0x1e0 [ 33.210878] ? kmalloc_pagealloc_oob_right+0xab/0x1c0 [ 33.211147] ? kasan_addr_to_slab+0x11/0xb0 [ 33.211368] ? kmalloc_pagealloc_oob_right+0xab/0x1c0 [ 33.211619] kasan_report+0x147/0x180 [ 33.212142] ? kmalloc_pagealloc_oob_right+0xab/0x1c0 [ 33.212770] __asan_store1+0x69/0x70 [ 33.213245] kmalloc_pagealloc_oob_right+0xab/0x1c0 [ 33.213832] ? __pfx_kmalloc_pagealloc_oob_right+0x10/0x10 [ 33.214464] ? __schedule+0x715/0x11a0 [ 33.214951] ? ktime_get_ts64+0x118/0x140 [ 33.215437] kunit_try_run_case+0x120/0x290 [ 33.215988] ? __pfx_kunit_try_run_case+0x10/0x10 [ 33.216519] ? __kasan_check_write+0x18/0x20 [ 33.217076] ? trace_preempt_on+0x20/0xa0 [ 33.217553] ? __kthread_parkme+0x4f/0xd0 [ 33.218063] ? preempt_count_sub+0x50/0x80 [ 33.218528] ? __pfx_kunit_try_run_case+0x10/0x10 [ 33.218796] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 33.219102] kunit_generic_run_threadfn_adapter+0x33/0x50 [ 33.219369] kthread+0x19e/0x1e0 [ 33.219566] ? __pfx_kthread+0x10/0x10 [ 33.219901] ret_from_fork+0x41/0x70 [ 33.220329] ? __pfx_kthread+0x10/0x10 [ 33.220810] ret_from_fork_asm+0x1b/0x30 [ 33.221333] </TASK> [ 33.221632] [ 33.221948] The buggy address belongs to the physical page: [ 33.222703] page:(____ptrval____) refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102070 [ 33.223652] head:(____ptrval____) order:2 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 33.224512] flags: 0x200000000000040(head|node=0|zone=2) [ 33.225219] page_type: 0xffffffff() [ 33.225707] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 33.226444] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 33.226852] page dumped because: kasan: bad access detected [ 33.227467] [ 33.227657] Memory state around the buggy address: [ 33.228256] ffff888102071f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.229052] ffff888102071f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 33.229652] >ffff888102072000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 33.230412] ^ [ 33.230672] ffff888102072080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 33.231482] ffff888102072100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 33.232039] ==================================================================