Date
June 2, 2025, 2:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.084760] ================================================================== [ 19.085616] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x310/0x348 [ 19.086463] Read of size 1 at addr fff00000c6b25000 by task kunit_try_catch/129 [ 19.087545] [ 19.087920] CPU: 1 UID: 0 PID: 129 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 19.088381] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.088456] Hardware name: linux,dummy-virt (DT) [ 19.088543] Call trace: [ 19.088622] dump_backtrace+0x9c/0x128 [ 19.088748] show_stack+0x20/0x38 [ 19.088833] dump_stack_lvl+0x8c/0xd0 [ 19.088904] print_report+0x118/0x5f0 [ 19.088948] kasan_report+0xdc/0x128 [ 19.088989] __asan_report_load1_noabort+0x20/0x30 [ 19.089035] kmalloc_node_oob_right+0x310/0x348 [ 19.089082] kunit_try_run_case+0x170/0x3f0 [ 19.089127] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.089174] kthread+0x24c/0x2d0 [ 19.089216] ret_from_fork+0x10/0x20 [ 19.089289] [ 19.095313] Allocated by task 129: [ 19.095750] kasan_save_stack+0x3c/0x68 [ 19.096288] kasan_save_track+0x20/0x40 [ 19.096759] kasan_save_alloc_info+0x40/0x58 [ 19.097646] __kasan_kmalloc+0xd4/0xd8 [ 19.097993] __kmalloc_cache_node_noprof+0x174/0x348 [ 19.098410] kmalloc_node_oob_right+0xbc/0x348 [ 19.098954] kunit_try_run_case+0x170/0x3f0 [ 19.099569] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.099904] kthread+0x24c/0x2d0 [ 19.100375] ret_from_fork+0x10/0x20 [ 19.100799] [ 19.101013] The buggy address belongs to the object at fff00000c6b24000 [ 19.101013] which belongs to the cache kmalloc-4k of size 4096 [ 19.102032] The buggy address is located 0 bytes to the right of [ 19.102032] allocated 4096-byte region [fff00000c6b24000, fff00000c6b25000) [ 19.102999] [ 19.103346] The buggy address belongs to the physical page: [ 19.104385] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106b20 [ 19.105436] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.106178] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 19.106780] page_type: f5(slab) [ 19.107138] raw: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000 [ 19.107899] raw: 0000000000000000 0000000080040004 00000001f5000000 0000000000000000 [ 19.108742] head: 0bfffe0000000040 fff00000c0002140 dead000000000122 0000000000000000 [ 19.109337] head: 0000000000000000 0000000080040004 00000001f5000000 0000000000000000 [ 19.110055] head: 0bfffe0000000003 ffffc1ffc31ac801 ffffffffffffffff 0000000000000000 [ 19.110709] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 19.111664] page dumped because: kasan: bad access detected [ 19.112339] [ 19.112497] Memory state around the buggy address: [ 19.112749] fff00000c6b24f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.113083] fff00000c6b24f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.113416] >fff00000c6b25000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.113743] ^ [ 19.113945] fff00000c6b25080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.115209] fff00000c6b25100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.116007] ==================================================================
[ 11.406849] ================================================================== [ 11.407670] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x36b/0x3d0 [ 11.408612] Read of size 1 at addr ffff888102a59000 by task kunit_try_catch/147 [ 11.408948] [ 11.409114] CPU: 1 UID: 0 PID: 147 Comm: kunit_try_catch Tainted: G B N 6.12.32-rc1 #1 [ 11.409196] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.409219] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.409403] Call Trace: [ 11.409441] <TASK> [ 11.409473] dump_stack_lvl+0x73/0xb0 [ 11.409530] print_report+0xd1/0x640 [ 11.409576] ? __virt_addr_valid+0x1db/0x2d0 [ 11.409621] ? kmalloc_node_oob_right+0x36b/0x3d0 [ 11.409668] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.409705] ? kmalloc_node_oob_right+0x36b/0x3d0 [ 11.409730] kasan_report+0x140/0x180 [ 11.409752] ? kmalloc_node_oob_right+0x36b/0x3d0 [ 11.409775] __asan_report_load1_noabort+0x18/0x20 [ 11.409794] kmalloc_node_oob_right+0x36b/0x3d0 [ 11.409814] ? __pfx_kmalloc_node_oob_right+0x10/0x10 [ 11.409834] ? __schedule+0xc49/0x27a0 [ 11.409854] ? __pfx_read_tsc+0x10/0x10 [ 11.409872] ? ktime_get_ts64+0x84/0x230 [ 11.409910] kunit_try_run_case+0x1a6/0x480 [ 11.409932] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.409951] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 11.409970] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.409994] ? __kthread_parkme+0x82/0x160 [ 11.410013] ? preempt_count_sub+0x50/0x80 [ 11.410035] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.410075] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.410144] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.410185] kthread+0x257/0x310 [ 11.410207] ? __pfx_kthread+0x10/0x10 [ 11.410226] ret_from_fork+0x41/0x80 [ 11.410244] ? __pfx_kthread+0x10/0x10 [ 11.410261] ret_from_fork_asm+0x1a/0x30 [ 11.410289] </TASK> [ 11.410301] [ 11.419059] Allocated by task 147: [ 11.419353] kasan_save_stack+0x45/0x70 [ 11.419776] kasan_save_track+0x18/0x40 [ 11.420350] kasan_save_alloc_info+0x3b/0x50 [ 11.420588] __kasan_kmalloc+0xb7/0xc0 [ 11.420770] __kmalloc_cache_node_noprof+0x187/0x370 [ 11.420965] kmalloc_node_oob_right+0xac/0x3d0 [ 11.421155] kunit_try_run_case+0x1a6/0x480 [ 11.421327] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.421693] kthread+0x257/0x310 [ 11.421957] ret_from_fork+0x41/0x80 [ 11.422244] ret_from_fork_asm+0x1a/0x30 [ 11.422547] [ 11.422728] The buggy address belongs to the object at ffff888102a58000 [ 11.422728] which belongs to the cache kmalloc-4k of size 4096 [ 11.423954] The buggy address is located 0 bytes to the right of [ 11.423954] allocated 4096-byte region [ffff888102a58000, ffff888102a59000) [ 11.425427] [ 11.425591] The buggy address belongs to the physical page: [ 11.425914] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a58 [ 11.426488] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 11.426927] flags: 0x200000000000040(head|node=0|zone=2) [ 11.427745] page_type: f5(slab) [ 11.428333] raw: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000 [ 11.428770] raw: 0000000000000000 0000000080040004 00000001f5000000 0000000000000000 [ 11.429382] head: 0200000000000040 ffff888100042140 dead000000000122 0000000000000000 [ 11.429750] head: 0000000000000000 0000000080040004 00000001f5000000 0000000000000000 [ 11.430374] head: 0200000000000003 ffffea00040a9601 ffffffffffffffff 0000000000000000 [ 11.430771] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 11.431542] page dumped because: kasan: bad access detected [ 11.431856] [ 11.432016] Memory state around the buggy address: [ 11.432309] ffff888102a58f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.432744] ffff888102a58f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 11.433217] >ffff888102a59000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.433486] ^ [ 11.433760] ffff888102a59080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.434136] ffff888102a59100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.434603] ==================================================================