Date
July 9, 2025, 1:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 29.025535] ================================================================== [ 29.025596] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x2f4/0x330 [ 29.025748] Read of size 1 at addr fff00000c9a0b000 by task kunit_try_catch/172 [ 29.025799] [ 29.025877] CPU: 0 UID: 0 PID: 172 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250709 #1 PREEMPT [ 29.025969] Tainted: [B]=BAD_PAGE, [N]=TEST [ 29.025995] Hardware name: linux,dummy-virt (DT) [ 29.026252] Call trace: [ 29.026286] show_stack+0x20/0x38 (C) [ 29.026339] dump_stack_lvl+0x8c/0xd0 [ 29.026457] print_report+0x118/0x5d0 [ 29.026502] kasan_report+0xdc/0x128 [ 29.026564] __asan_report_load1_noabort+0x20/0x30 [ 29.026618] kmalloc_node_oob_right+0x2f4/0x330 [ 29.026673] kunit_try_run_case+0x170/0x3f0 [ 29.026788] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.026842] kthread+0x328/0x630 [ 29.026929] ret_from_fork+0x10/0x20 [ 29.026978] [ 29.026996] Allocated by task 172: [ 29.027023] kasan_save_stack+0x3c/0x68 [ 29.027105] kasan_save_track+0x20/0x40 [ 29.027306] kasan_save_alloc_info+0x40/0x58 [ 29.027391] __kasan_kmalloc+0xd4/0xd8 [ 29.027429] __kmalloc_cache_node_noprof+0x178/0x3d0 [ 29.027488] kmalloc_node_oob_right+0xbc/0x330 [ 29.027544] kunit_try_run_case+0x170/0x3f0 [ 29.027600] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 29.027674] kthread+0x328/0x630 [ 29.027706] ret_from_fork+0x10/0x20 [ 29.027767] [ 29.027896] The buggy address belongs to the object at fff00000c9a0a000 [ 29.027896] which belongs to the cache kmalloc-4k of size 4096 [ 29.028094] The buggy address is located 0 bytes to the right of [ 29.028094] allocated 4096-byte region [fff00000c9a0a000, fff00000c9a0b000) [ 29.028241] [ 29.028337] The buggy address belongs to the physical page: [ 29.028677] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109a08 [ 29.028992] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 29.029042] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff) [ 29.029264] page_type: f5(slab) [ 29.029309] raw: 0bfffe0000000040 fff00000c0002140 dead000000000100 dead000000000122 [ 29.029358] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 29.029507] head: 0bfffe0000000040 fff00000c0002140 dead000000000100 dead000000000122 [ 29.029623] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 29.029922] head: 0bfffe0000000003 ffffc1ffc3268201 00000000ffffffff 00000000ffffffff [ 29.030116] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 29.030287] page dumped because: kasan: bad access detected [ 29.030468] [ 29.030550] Memory state around the buggy address: [ 29.030583] fff00000c9a0af00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.031072] fff00000c9a0af80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 29.031256] >fff00000c9a0b000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.031483] ^ [ 29.031577] fff00000c9a0b080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.031618] fff00000c9a0b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 29.031987] ==================================================================
[ 23.520571] ================================================================== [ 23.521301] BUG: KASAN: slab-out-of-bounds in kmalloc_node_oob_right+0x369/0x3c0 [ 23.522118] Read of size 1 at addr ffff888106087000 by task kunit_try_catch/190 [ 23.522836] [ 23.523108] CPU: 0 UID: 0 PID: 190 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) [ 23.523169] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 23.523183] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 23.523206] Call Trace: [ 23.523219] <TASK> [ 23.523240] dump_stack_lvl+0x73/0xb0 [ 23.523275] print_report+0xd1/0x610 [ 23.523298] ? __virt_addr_valid+0x1db/0x2d0 [ 23.523343] ? kmalloc_node_oob_right+0x369/0x3c0 [ 23.523367] ? kasan_complete_mode_report_info+0x2a/0x200 [ 23.523392] ? kmalloc_node_oob_right+0x369/0x3c0 [ 23.523414] kasan_report+0x141/0x180 [ 23.523436] ? kmalloc_node_oob_right+0x369/0x3c0 [ 23.523462] __asan_report_load1_noabort+0x18/0x20 [ 23.523485] kmalloc_node_oob_right+0x369/0x3c0 [ 23.523508] ? __pfx_kmalloc_node_oob_right+0x10/0x10 [ 23.523531] ? __schedule+0x10cc/0x2b60 [ 23.523555] ? __pfx_read_tsc+0x10/0x10 [ 23.523578] ? ktime_get_ts64+0x86/0x230 [ 23.523604] kunit_try_run_case+0x1a5/0x480 [ 23.523626] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.523646] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 23.523669] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 23.523703] ? __kthread_parkme+0x82/0x180 [ 23.523725] ? preempt_count_sub+0x50/0x80 [ 23.523748] ? __pfx_kunit_try_run_case+0x10/0x10 [ 23.523775] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.523800] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 23.523828] kthread+0x337/0x6f0 [ 23.523847] ? trace_preempt_on+0x20/0xc0 [ 23.523871] ? __pfx_kthread+0x10/0x10 [ 23.523891] ? _raw_spin_unlock_irq+0x47/0x80 [ 23.523912] ? calculate_sigpending+0x7b/0xa0 [ 23.523936] ? __pfx_kthread+0x10/0x10 [ 23.523957] ret_from_fork+0x116/0x1d0 [ 23.523975] ? __pfx_kthread+0x10/0x10 [ 23.523995] ret_from_fork_asm+0x1a/0x30 [ 23.524026] </TASK> [ 23.524038] [ 23.534646] Allocated by task 190: [ 23.534912] kasan_save_stack+0x45/0x70 [ 23.535423] kasan_save_track+0x18/0x40 [ 23.535610] kasan_save_alloc_info+0x3b/0x50 [ 23.536189] __kasan_kmalloc+0xb7/0xc0 [ 23.536450] __kmalloc_cache_node_noprof+0x188/0x420 [ 23.536675] kmalloc_node_oob_right+0xab/0x3c0 [ 23.537062] kunit_try_run_case+0x1a5/0x480 [ 23.537242] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 23.537619] kthread+0x337/0x6f0 [ 23.537860] ret_from_fork+0x116/0x1d0 [ 23.538091] ret_from_fork_asm+0x1a/0x30 [ 23.538347] [ 23.538436] The buggy address belongs to the object at ffff888106086000 [ 23.538436] which belongs to the cache kmalloc-4k of size 4096 [ 23.539204] The buggy address is located 0 bytes to the right of [ 23.539204] allocated 4096-byte region [ffff888106086000, ffff888106087000) [ 23.539909] [ 23.540010] The buggy address belongs to the physical page: [ 23.540448] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106080 [ 23.541233] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 23.541547] flags: 0x200000000000040(head|node=0|zone=2) [ 23.541872] page_type: f5(slab) [ 23.542004] raw: 0200000000000040 ffff888100042140 ffffea0004112a00 dead000000000002 [ 23.542316] raw: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 23.542920] head: 0200000000000040 ffff888100042140 ffffea0004112a00 dead000000000002 [ 23.543758] head: 0000000000000000 0000000080040004 00000000f5000000 0000000000000000 [ 23.544615] head: 0200000000000003 ffffea0004182001 00000000ffffffff 00000000ffffffff [ 23.545267] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008 [ 23.546181] page dumped because: kasan: bad access detected [ 23.546498] [ 23.546837] Memory state around the buggy address: [ 23.547427] ffff888106086f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.547646] ffff888106086f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 23.548444] >ffff888106087000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.549240] ^ [ 23.549608] ffff888106087080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.550113] ffff888106087100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.550800] ==================================================================