Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.204606] ================================================================== [ 21.205621] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a8/0x400 [ 21.206370] Write of size 16 at addr fff00000c662ad00 by task kunit_try_catch/154 [ 21.207261] [ 21.207630] CPU: 1 UID: 0 PID: 154 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 21.207845] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.207986] Hardware name: linux,dummy-virt (DT) [ 21.208079] Call trace: [ 21.208146] dump_backtrace+0x9c/0x128 [ 21.208260] show_stack+0x20/0x38 [ 21.208364] dump_stack_lvl+0x8c/0xd0 [ 21.208475] print_report+0x118/0x5f0 [ 21.208537] kasan_report+0xdc/0x128 [ 21.208584] __asan_report_store16_noabort+0x20/0x30 [ 21.208635] kmalloc_oob_16+0x3a8/0x400 [ 21.208680] kunit_try_run_case+0x170/0x3f0 [ 21.208726] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.208790] kthread+0x24c/0x2d0 [ 21.208837] ret_from_fork+0x10/0x20 [ 21.208885] [ 21.214864] Allocated by task 154: [ 21.215431] kasan_save_stack+0x3c/0x68 [ 21.216080] kasan_save_track+0x20/0x40 [ 21.216507] kasan_save_alloc_info+0x40/0x58 [ 21.216998] __kasan_kmalloc+0xd4/0xd8 [ 21.217608] __kmalloc_cache_noprof+0x154/0x320 [ 21.218313] kmalloc_oob_16+0xb4/0x400 [ 21.218954] kunit_try_run_case+0x170/0x3f0 [ 21.219564] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.220313] kthread+0x24c/0x2d0 [ 21.220870] ret_from_fork+0x10/0x20 [ 21.221413] [ 21.221754] The buggy address belongs to the object at fff00000c662ad00 [ 21.221754] which belongs to the cache kmalloc-16 of size 16 [ 21.222926] The buggy address is located 0 bytes inside of [ 21.222926] allocated 13-byte region [fff00000c662ad00, fff00000c662ad0d) [ 21.224133] [ 21.224492] The buggy address belongs to the physical page: [ 21.225139] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10662a [ 21.225988] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.226754] page_type: f5(slab) [ 21.227214] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 21.227979] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 21.229009] page dumped because: kasan: bad access detected [ 21.229618] [ 21.229996] Memory state around the buggy address: [ 21.230579] fff00000c662ac00: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 21.231256] fff00000c662ac80: fa fb fc fc 00 04 fc fc 00 05 fc fc fa fb fc fc [ 21.232090] >fff00000c662ad00: 00 05 fc fc 00 00 fc fc fc fc fc fc fc fc fc fc [ 21.232869] ^ [ 21.233405] fff00000c662ad80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.234213] fff00000c662ae00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.234986] ==================================================================
[ 17.488638] ================================================================== [ 17.489555] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x454/0x4a0 [ 17.491159] Write of size 16 at addr ffff888101f801a0 by task kunit_try_catch/171 [ 17.491696] [ 17.493246] CPU: 1 UID: 0 PID: 171 Comm: kunit_try_catch Tainted: G B N 6.12.33-rc1 #1 [ 17.493344] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.493379] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 17.493440] Call Trace: [ 17.493480] <TASK> [ 17.493582] dump_stack_lvl+0x73/0xb0 [ 17.493735] print_report+0xd1/0x640 [ 17.493821] ? __virt_addr_valid+0x1db/0x2d0 [ 17.494021] ? kmalloc_oob_16+0x454/0x4a0 [ 17.494055] ? kasan_complete_mode_report_info+0x2a/0x200 [ 17.494088] ? kmalloc_oob_16+0x454/0x4a0 [ 17.494118] kasan_report+0x140/0x180 [ 17.494152] ? kmalloc_oob_16+0x454/0x4a0 [ 17.494190] __asan_report_store16_noabort+0x1b/0x30 [ 17.494252] kmalloc_oob_16+0x454/0x4a0 [ 17.494287] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 17.494320] ? __schedule+0xc49/0x27a0 [ 17.494349] ? __pfx_read_tsc+0x10/0x10 [ 17.494376] ? ktime_get_ts64+0x84/0x230 [ 17.494412] kunit_try_run_case+0x1a6/0x480 [ 17.494452] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.494555] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 17.494600] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 17.494635] ? __kthread_parkme+0x82/0x160 [ 17.494663] ? preempt_count_sub+0x50/0x80 [ 17.494693] ? __pfx_kunit_try_run_case+0x10/0x10 [ 17.494720] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 17.494755] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.494791] kthread+0x257/0x310 [ 17.494846] ? __pfx_kthread+0x10/0x10 [ 17.494883] ret_from_fork+0x41/0x80 [ 17.494912] ? __pfx_kthread+0x10/0x10 [ 17.494936] ret_from_fork_asm+0x1a/0x30 [ 17.494978] </TASK> [ 17.494992] [ 17.513075] Allocated by task 171: [ 17.513878] kasan_save_stack+0x45/0x70 [ 17.514369] kasan_save_track+0x18/0x40 [ 17.515055] kasan_save_alloc_info+0x3b/0x50 [ 17.516369] __kasan_kmalloc+0xb7/0xc0 [ 17.516751] __kmalloc_cache_noprof+0x168/0x350 [ 17.517227] kmalloc_oob_16+0xa9/0x4a0 [ 17.517909] kunit_try_run_case+0x1a6/0x480 [ 17.518385] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 17.519184] kthread+0x257/0x310 [ 17.519601] ret_from_fork+0x41/0x80 [ 17.520717] ret_from_fork_asm+0x1a/0x30 [ 17.521305] [ 17.521527] The buggy address belongs to the object at ffff888101f801a0 [ 17.521527] which belongs to the cache kmalloc-16 of size 16 [ 17.523187] The buggy address is located 0 bytes inside of [ 17.523187] allocated 13-byte region [ffff888101f801a0, ffff888101f801ad) [ 17.524784] [ 17.525045] The buggy address belongs to the physical page: [ 17.525543] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101f80 [ 17.526358] flags: 0x200000000000000(node=0|zone=2) [ 17.528181] page_type: f5(slab) [ 17.528947] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 17.529717] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000 [ 17.530348] page dumped because: kasan: bad access detected [ 17.531269] [ 17.531863] Memory state around the buggy address: [ 17.532605] ffff888101f80080: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 17.533305] ffff888101f80100: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 17.534052] >ffff888101f80180: fa fb fc fc 00 05 fc fc 00 00 fc fc fc fc fc fc [ 17.534809] ^ [ 17.535232] ffff888101f80200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.535906] ffff888101f80280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.536392] ==================================================================