Date
July 8, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.333825] ================================================================== [ 19.333904] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 19.333957] Write of size 16 at addr fff00000c58c2ac0 by task kunit_try_catch/166 [ 19.334172] [ 19.334509] CPU: 1 UID: 0 PID: 166 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT [ 19.334748] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.334784] Hardware name: linux,dummy-virt (DT) [ 19.334842] Call trace: [ 19.334867] show_stack+0x20/0x38 (C) [ 19.334933] dump_stack_lvl+0x8c/0xd0 [ 19.334980] print_report+0x118/0x608 [ 19.335181] kasan_report+0xdc/0x128 [ 19.335255] __asan_report_store16_noabort+0x20/0x30 [ 19.335448] kmalloc_oob_16+0x3a0/0x3f8 [ 19.335650] kunit_try_run_case+0x170/0x3f0 [ 19.335858] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.336027] kthread+0x328/0x630 [ 19.336092] ret_from_fork+0x10/0x20 [ 19.336279] [ 19.336320] Allocated by task 166: [ 19.336438] kasan_save_stack+0x3c/0x68 [ 19.336709] kasan_save_track+0x20/0x40 [ 19.336810] kasan_save_alloc_info+0x40/0x58 [ 19.336850] __kasan_kmalloc+0xd4/0xd8 [ 19.337031] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.337263] kmalloc_oob_16+0xb4/0x3f8 [ 19.337381] kunit_try_run_case+0x170/0x3f0 [ 19.337528] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.337574] kthread+0x328/0x630 [ 19.337766] ret_from_fork+0x10/0x20 [ 19.337942] [ 19.337975] The buggy address belongs to the object at fff00000c58c2ac0 [ 19.337975] which belongs to the cache kmalloc-16 of size 16 [ 19.338193] The buggy address is located 0 bytes inside of [ 19.338193] allocated 13-byte region [fff00000c58c2ac0, fff00000c58c2acd) [ 19.338376] [ 19.338427] The buggy address belongs to the physical page: [ 19.338469] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058c2 [ 19.338999] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.339216] page_type: f5(slab) [ 19.339372] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 19.339508] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 19.339907] page dumped because: kasan: bad access detected [ 19.339980] [ 19.339999] Memory state around the buggy address: [ 19.340044] fff00000c58c2980: fa fb fc fc 00 02 fc fc fa fb fc fc fa fb fc fc [ 19.340097] fff00000c58c2a00: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 19.340195] >fff00000c58c2a80: 00 04 fc fc fa fb fc fc 00 05 fc fc 00 00 fc fc [ 19.340249] ^ [ 19.340284] fff00000c58c2b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.340450] fff00000c58c2b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.340616] ==================================================================
[ 12.487747] ================================================================== [ 12.488226] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 12.488641] Write of size 16 at addr ffff888102626060 by task kunit_try_catch/184 [ 12.488911] [ 12.489121] CPU: 1 UID: 0 PID: 184 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5 #1 PREEMPT(voluntary) [ 12.489170] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.489182] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.489202] Call Trace: [ 12.489214] <TASK> [ 12.489232] dump_stack_lvl+0x73/0xb0 [ 12.489263] print_report+0xd1/0x650 [ 12.489286] ? __virt_addr_valid+0x1db/0x2d0 [ 12.489310] ? kmalloc_oob_16+0x452/0x4a0 [ 12.489330] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.489366] ? kmalloc_oob_16+0x452/0x4a0 [ 12.489386] kasan_report+0x141/0x180 [ 12.489408] ? kmalloc_oob_16+0x452/0x4a0 [ 12.489445] __asan_report_store16_noabort+0x1b/0x30 [ 12.489471] kmalloc_oob_16+0x452/0x4a0 [ 12.489491] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 12.489513] ? __schedule+0x10cc/0x2b60 [ 12.489535] ? __pfx_read_tsc+0x10/0x10 [ 12.489556] ? ktime_get_ts64+0x86/0x230 [ 12.489582] kunit_try_run_case+0x1a5/0x480 [ 12.489623] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.489646] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.489680] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.489707] ? __kthread_parkme+0x82/0x180 [ 12.489728] ? preempt_count_sub+0x50/0x80 [ 12.489752] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.489776] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.489800] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.489834] kthread+0x337/0x6f0 [ 12.489852] ? trace_preempt_on+0x20/0xc0 [ 12.489877] ? __pfx_kthread+0x10/0x10 [ 12.489907] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.489971] ? calculate_sigpending+0x7b/0xa0 [ 12.489998] ? __pfx_kthread+0x10/0x10 [ 12.490019] ret_from_fork+0x116/0x1d0 [ 12.490038] ? __pfx_kthread+0x10/0x10 [ 12.490058] ret_from_fork_asm+0x1a/0x30 [ 12.490090] </TASK> [ 12.490100] [ 12.498038] Allocated by task 184: [ 12.498219] kasan_save_stack+0x45/0x70 [ 12.498644] kasan_save_track+0x18/0x40 [ 12.498847] kasan_save_alloc_info+0x3b/0x50 [ 12.499105] __kasan_kmalloc+0xb7/0xc0 [ 12.499244] __kmalloc_cache_noprof+0x189/0x420 [ 12.499453] kmalloc_oob_16+0xa8/0x4a0 [ 12.499667] kunit_try_run_case+0x1a5/0x480 [ 12.499930] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.500165] kthread+0x337/0x6f0 [ 12.500284] ret_from_fork+0x116/0x1d0 [ 12.500474] ret_from_fork_asm+0x1a/0x30 [ 12.500729] [ 12.500855] The buggy address belongs to the object at ffff888102626060 [ 12.500855] which belongs to the cache kmalloc-16 of size 16 [ 12.501391] The buggy address is located 0 bytes inside of [ 12.501391] allocated 13-byte region [ffff888102626060, ffff88810262606d) [ 12.502135] [ 12.502249] The buggy address belongs to the physical page: [ 12.502485] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102626 [ 12.502854] flags: 0x200000000000000(node=0|zone=2) [ 12.503076] page_type: f5(slab) [ 12.503198] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 12.503425] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 12.503718] page dumped because: kasan: bad access detected [ 12.504140] [ 12.504384] Memory state around the buggy address: [ 12.504698] ffff888102625f00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.505014] ffff888102625f80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc [ 12.505249] >ffff888102626000: fa fb fc fc fa fb fc fc fa fb fc fc 00 05 fc fc [ 12.505459] ^ [ 12.505872] ffff888102626080: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.506372] ffff888102626100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.506755] ==================================================================