Date
July 9, 2025, 12:11 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.357701] ================================================================== [ 19.358126] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x278/0x2b8 [ 19.358629] Write of size 1 at addr fff00000c76b600a by task kunit_try_catch/147 [ 19.358687] [ 19.358721] CPU: 1 UID: 0 PID: 147 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.358804] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.359225] Hardware name: linux,dummy-virt (DT) [ 19.359267] Call trace: [ 19.359304] show_stack+0x20/0x38 (C) [ 19.359356] dump_stack_lvl+0x8c/0xd0 [ 19.359412] print_report+0x118/0x608 [ 19.359458] kasan_report+0xdc/0x128 [ 19.359502] __asan_report_store1_noabort+0x20/0x30 [ 19.359575] kmalloc_large_oob_right+0x278/0x2b8 [ 19.359741] kunit_try_run_case+0x170/0x3f0 [ 19.359849] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.359962] kthread+0x328/0x630 [ 19.360306] ret_from_fork+0x10/0x20 [ 19.360367] [ 19.360413] The buggy address belongs to the physical page: [ 19.360445] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1076b4 [ 19.360549] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.360596] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 19.360684] page_type: f8(unknown) [ 19.360723] raw: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.360796] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.360884] head: 0bfffe0000000040 0000000000000000 dead000000000122 0000000000000000 [ 19.361095] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 19.361328] head: 0bfffe0000000002 ffffc1ffc31dad01 00000000ffffffff 00000000ffffffff [ 19.361376] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 19.362421] page dumped because: kasan: bad access detected [ 19.362455] [ 19.363103] Memory state around the buggy address: [ 19.363162] fff00000c76b5f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.363318] fff00000c76b5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.363359] >fff00000c76b6000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 19.363415] ^ [ 19.363448] fff00000c76b6080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 19.363496] fff00000c76b6100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 19.363541] ==================================================================
[ 12.119897] ================================================================== [ 12.120613] BUG: KASAN: slab-out-of-bounds in kmalloc_large_oob_right+0x2e9/0x330 [ 12.120935] Write of size 1 at addr ffff88810a5d600a by task kunit_try_catch/163 [ 12.121419] [ 12.121557] CPU: 1 UID: 0 PID: 163 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.121603] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.121615] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.121636] Call Trace: [ 12.121648] <TASK> [ 12.121666] dump_stack_lvl+0x73/0xb0 [ 12.121699] print_report+0xd1/0x650 [ 12.121721] ? __virt_addr_valid+0x1db/0x2d0 [ 12.121744] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.121765] ? kasan_addr_to_slab+0x11/0xa0 [ 12.121785] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.121807] kasan_report+0x141/0x180 [ 12.121828] ? kmalloc_large_oob_right+0x2e9/0x330 [ 12.121855] __asan_report_store1_noabort+0x1b/0x30 [ 12.121879] kmalloc_large_oob_right+0x2e9/0x330 [ 12.121901] ? __pfx_kmalloc_large_oob_right+0x10/0x10 [ 12.121938] ? __schedule+0x10cc/0x2b60 [ 12.122018] ? __pfx_read_tsc+0x10/0x10 [ 12.122040] ? ktime_get_ts64+0x86/0x230 [ 12.122065] kunit_try_run_case+0x1a5/0x480 [ 12.122089] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.122113] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.122137] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.122160] ? __kthread_parkme+0x82/0x180 [ 12.122181] ? preempt_count_sub+0x50/0x80 [ 12.122205] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.122229] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.122253] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.122277] kthread+0x337/0x6f0 [ 12.122296] ? trace_preempt_on+0x20/0xc0 [ 12.122333] ? __pfx_kthread+0x10/0x10 [ 12.122353] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.122374] ? calculate_sigpending+0x7b/0xa0 [ 12.122398] ? __pfx_kthread+0x10/0x10 [ 12.122419] ret_from_fork+0x116/0x1d0 [ 12.122436] ? __pfx_kthread+0x10/0x10 [ 12.122456] ret_from_fork_asm+0x1a/0x30 [ 12.122486] </TASK> [ 12.122497] [ 12.129608] The buggy address belongs to the physical page: [ 12.129800] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10a5d4 [ 12.130258] head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 12.130638] flags: 0x200000000000040(head|node=0|zone=2) [ 12.130898] page_type: f8(unknown) [ 12.131092] raw: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.131472] raw: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.131723] head: 0200000000000040 0000000000000000 dead000000000122 0000000000000000 [ 12.132080] head: 0000000000000000 0000000000000000 00000001f8000000 0000000000000000 [ 12.132312] head: 0200000000000002 ffffea0004297501 00000000ffffffff 00000000ffffffff [ 12.133049] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004 [ 12.133335] page dumped because: kasan: bad access detected [ 12.133507] [ 12.133575] Memory state around the buggy address: [ 12.134075] ffff88810a5d5f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.134377] ffff88810a5d5f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 12.134593] >ffff88810a5d6000: 00 02 fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.134810] ^ [ 12.135043] ffff88810a5d6080: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.135504] ffff88810a5d6100: fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 12.135837] ==================================================================