Date
July 24, 2025, 4:41 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 32.446791] ================================================================== [ 32.446862] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 32.446922] Write of size 16 at addr fff00000c8683460 by task kunit_try_catch/197 [ 32.447387] [ 32.447447] CPU: 0 UID: 0 PID: 197 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7-next-20250724 #1 PREEMPT [ 32.447696] Tainted: [B]=BAD_PAGE, [N]=TEST [ 32.447744] Hardware name: linux,dummy-virt (DT) [ 32.447788] Call trace: [ 32.447812] show_stack+0x20/0x38 (C) [ 32.447892] dump_stack_lvl+0x8c/0xd0 [ 32.447939] print_report+0x118/0x5e8 [ 32.447983] kasan_report+0xdc/0x128 [ 32.448648] __asan_report_store16_noabort+0x20/0x30 [ 32.448768] kmalloc_oob_16+0x3a0/0x3f8 [ 32.448896] kunit_try_run_case+0x170/0x3f0 [ 32.449182] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.449264] kthread+0x328/0x630 [ 32.449415] ret_from_fork+0x10/0x20 [ 32.449480] [ 32.449499] Allocated by task 197: [ 32.449675] kasan_save_stack+0x3c/0x68 [ 32.449789] kasan_save_track+0x20/0x40 [ 32.449837] kasan_save_alloc_info+0x40/0x58 [ 32.449878] __kasan_kmalloc+0xd4/0xd8 [ 32.449919] __kmalloc_cache_noprof+0x16c/0x3c0 [ 32.449959] kmalloc_oob_16+0xb4/0x3f8 [ 32.450033] kunit_try_run_case+0x170/0x3f0 [ 32.450091] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 32.450137] kthread+0x328/0x630 [ 32.450180] ret_from_fork+0x10/0x20 [ 32.450236] [ 32.450261] The buggy address belongs to the object at fff00000c8683460 [ 32.450261] which belongs to the cache kmalloc-16 of size 16 [ 32.450342] The buggy address is located 0 bytes inside of [ 32.450342] allocated 13-byte region [fff00000c8683460, fff00000c868346d) [ 32.450403] [ 32.450432] The buggy address belongs to the physical page: [ 32.450471] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x108683 [ 32.450525] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 32.450583] page_type: f5(slab) [ 32.450631] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 32.450688] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 32.450736] page dumped because: kasan: bad access detected [ 32.450785] [ 32.450803] Memory state around the buggy address: [ 32.450855] fff00000c8683300: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 32.450909] fff00000c8683380: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 32.451189] >fff00000c8683400: fa fb fc fc fa fb fc fc fa fb fc fc 00 05 fc fc [ 32.451237] ^ [ 32.451695] fff00000c8683480: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.451754] fff00000c8683500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 32.451977] ==================================================================
[ 26.857365] ================================================================== [ 26.857821] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 26.858242] Write of size 16 at addr ffff8881046259a0 by task kunit_try_catch/214 [ 26.858514] [ 26.858635] CPU: 1 UID: 0 PID: 214 Comm: kunit_try_catch Tainted: G B W N 6.16.0-rc7-next-20250724 #1 PREEMPT(voluntary) [ 26.858687] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 26.858700] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 26.858721] Call Trace: [ 26.858735] <TASK> [ 26.858755] dump_stack_lvl+0x73/0xb0 [ 26.858787] print_report+0xd1/0x640 [ 26.858811] ? __virt_addr_valid+0x1db/0x2d0 [ 26.858837] ? kmalloc_oob_16+0x452/0x4a0 [ 26.858857] ? kasan_complete_mode_report_info+0x2a/0x200 [ 26.858883] ? kmalloc_oob_16+0x452/0x4a0 [ 26.858904] kasan_report+0x141/0x180 [ 26.859030] ? kmalloc_oob_16+0x452/0x4a0 [ 26.859063] __asan_report_store16_noabort+0x1b/0x30 [ 26.859089] kmalloc_oob_16+0x452/0x4a0 [ 26.859110] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 26.859132] ? __schedule+0x10da/0x2b60 [ 26.859157] ? __pfx_read_tsc+0x10/0x10 [ 26.859190] ? ktime_get_ts64+0x86/0x230 [ 26.859216] kunit_try_run_case+0x1a5/0x480 [ 26.859242] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.859281] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 26.859306] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 26.859331] ? __kthread_parkme+0x82/0x180 [ 26.859352] ? preempt_count_sub+0x50/0x80 [ 26.859386] ? __pfx_kunit_try_run_case+0x10/0x10 [ 26.859409] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.859433] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 26.859466] kthread+0x337/0x6f0 [ 26.859486] ? trace_preempt_on+0x20/0xc0 [ 26.859511] ? __pfx_kthread+0x10/0x10 [ 26.859531] ? _raw_spin_unlock_irq+0x47/0x80 [ 26.859554] ? calculate_sigpending+0x7b/0xa0 [ 26.859587] ? __pfx_kthread+0x10/0x10 [ 26.859608] ret_from_fork+0x116/0x1d0 [ 26.859627] ? __pfx_kthread+0x10/0x10 [ 26.859647] ret_from_fork_asm+0x1a/0x30 [ 26.859679] </TASK> [ 26.859690] [ 26.867366] Allocated by task 214: [ 26.867590] kasan_save_stack+0x45/0x70 [ 26.867745] kasan_save_track+0x18/0x40 [ 26.868146] kasan_save_alloc_info+0x3b/0x50 [ 26.868370] __kasan_kmalloc+0xb7/0xc0 [ 26.868549] __kmalloc_cache_noprof+0x189/0x420 [ 26.868766] kmalloc_oob_16+0xa8/0x4a0 [ 26.869025] kunit_try_run_case+0x1a5/0x480 [ 26.869233] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 26.869458] kthread+0x337/0x6f0 [ 26.869584] ret_from_fork+0x116/0x1d0 [ 26.869798] ret_from_fork_asm+0x1a/0x30 [ 26.870072] [ 26.870163] The buggy address belongs to the object at ffff8881046259a0 [ 26.870163] which belongs to the cache kmalloc-16 of size 16 [ 26.870590] The buggy address is located 0 bytes inside of [ 26.870590] allocated 13-byte region [ffff8881046259a0, ffff8881046259ad) [ 26.871226] [ 26.871305] The buggy address belongs to the physical page: [ 26.871480] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104625 [ 26.871731] flags: 0x200000000000000(node=0|zone=2) [ 26.871913] page_type: f5(slab) [ 26.872078] raw: 0200000000000000 ffff888100041640 dead000000000100 dead000000000122 [ 26.872597] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 26.872923] page dumped because: kasan: bad access detected [ 26.873164] [ 26.873249] Memory state around the buggy address: [ 26.873557] ffff888104625880: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 26.873777] ffff888104625900: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 26.873984] >ffff888104625980: 00 00 fc fc 00 05 fc fc fa fb fc fc fa fb fc fc [ 26.874783] ^ [ 26.875181] ffff888104625a00: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 26.875425] ffff888104625a80: 00 00 fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 26.875654] ==================================================================