Date
June 7, 2025, 10:40 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.587858] ================================================================== [ 21.588878] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x2ec/0x320 [ 21.589512] Read of size 1 at addr fff00000c596b6ff by task kunit_try_catch/127 [ 21.590119] [ 21.590402] CPU: 0 UID: 0 PID: 127 Comm: kunit_try_catch Tainted: G B N 6.14.11-rc1 #1 [ 21.590581] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.590644] Hardware name: linux,dummy-virt (DT) [ 21.590717] Call trace: [ 21.590766] show_stack+0x20/0x38 (C) [ 21.591038] dump_stack_lvl+0x8c/0xd0 [ 21.593124] print_report+0x118/0x608 [ 21.593251] kasan_report+0xdc/0x128 [ 21.593414] __asan_report_load1_noabort+0x20/0x30 [ 21.593532] kmalloc_oob_left+0x2ec/0x320 [ 21.593647] kunit_try_run_case+0x170/0x3f0 [ 21.593771] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.593913] kthread+0x318/0x620 [ 21.594029] ret_from_fork+0x10/0x20 [ 21.594150] [ 21.605615] Allocated by task 10: [ 21.606038] kasan_save_stack+0x3c/0x68 [ 21.606768] kasan_save_track+0x20/0x40 [ 21.607759] kasan_save_alloc_info+0x40/0x58 [ 21.609285] __kasan_kmalloc+0xd4/0xd8 [ 21.609868] __kmalloc_node_track_caller_noprof+0x194/0x4b8 [ 21.610614] kvasprintf+0xe0/0x180 [ 21.611216] __kthread_create_on_node+0x16c/0x350 [ 21.611753] kthread_create_on_node+0xe4/0x130 [ 21.612293] create_worker+0x380/0x6b8 [ 21.612912] worker_thread+0x71c/0xf18 [ 21.613362] kthread+0x318/0x620 [ 21.613872] ret_from_fork+0x10/0x20 [ 21.614426] [ 21.614794] The buggy address belongs to the object at fff00000c596b6e0 [ 21.614794] which belongs to the cache kmalloc-16 of size 16 [ 21.617367] The buggy address is located 19 bytes to the right of [ 21.617367] allocated 12-byte region [fff00000c596b6e0, fff00000c596b6ec) [ 21.618522] [ 21.618806] The buggy address belongs to the physical page: [ 21.619439] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10596b [ 21.620372] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.621063] page_type: f5(slab) [ 21.621996] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 21.622822] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 21.623748] page dumped because: kasan: bad access detected [ 21.624357] [ 21.624669] Memory state around the buggy address: [ 21.625756] fff00000c596b580: 00 02 fc fc 00 02 fc fc 00 02 fc fc 00 05 fc fc [ 21.626571] fff00000c596b600: fa fb fc fc 00 02 fc fc fa fb fc fc fa fb fc fc [ 21.627319] >fff00000c596b680: fa fb fc fc fa fb fc fc fa fb fc fc 00 04 fc fc [ 21.628076] ^ [ 21.628865] fff00000c596b700: 00 07 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.629658] fff00000c596b780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.630682] ==================================================================
[ 16.460027] ================================================================== [ 16.460744] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x363/0x3c0 [ 16.462431] Read of size 1 at addr ffff8881024b00df by task kunit_try_catch/146 [ 16.463846] [ 16.464123] CPU: 0 UID: 0 PID: 146 Comm: kunit_try_catch Tainted: G B N 6.14.11-rc1 #1 [ 16.464193] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.464216] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 16.464261] Call Trace: [ 16.464301] <TASK> [ 16.464344] dump_stack_lvl+0x73/0xb0 [ 16.464496] print_report+0xd1/0x650 [ 16.464554] ? __virt_addr_valid+0x1db/0x2d0 [ 16.464612] ? kmalloc_oob_left+0x363/0x3c0 [ 16.464647] ? kasan_complete_mode_report_info+0x64/0x200 [ 16.464691] ? kmalloc_oob_left+0x363/0x3c0 [ 16.464730] kasan_report+0x140/0x180 [ 16.464769] ? kmalloc_oob_left+0x363/0x3c0 [ 16.464812] __asan_report_load1_noabort+0x18/0x20 [ 16.464855] kmalloc_oob_left+0x363/0x3c0 [ 16.464911] ? __pfx_kmalloc_oob_left+0x10/0x10 [ 16.464950] ? __schedule+0xce8/0x2840 [ 16.464997] ? __pfx_read_tsc+0x10/0x10 [ 16.465038] ? ktime_get_ts64+0x86/0x230 [ 16.465086] kunit_try_run_case+0x1a6/0x480 [ 16.465136] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.465179] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 16.465238] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 16.465297] ? __kthread_parkme+0x82/0x160 [ 16.465368] ? preempt_count_sub+0x50/0x80 [ 16.465417] ? __pfx_kunit_try_run_case+0x10/0x10 [ 16.465466] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 16.465521] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 16.465568] kthread+0x324/0x6e0 [ 16.465598] ? trace_preempt_on+0x20/0xc0 [ 16.465631] ? __pfx_kthread+0x10/0x10 [ 16.465659] ? _raw_spin_unlock_irq+0x47/0x80 [ 16.465687] ? calculate_sigpending+0x7b/0xa0 [ 16.465715] ? __pfx_kthread+0x10/0x10 [ 16.465743] ret_from_fork+0x41/0x80 [ 16.465767] ? __pfx_kthread+0x10/0x10 [ 16.465795] ret_from_fork_asm+0x1a/0x30 [ 16.465836] </TASK> [ 16.465852] [ 16.481479] Allocated by task 1: [ 16.481860] kasan_save_stack+0x45/0x70 [ 16.482239] kasan_save_track+0x18/0x40 [ 16.483621] kasan_save_alloc_info+0x3b/0x50 [ 16.484089] __kasan_kmalloc+0xb7/0xc0 [ 16.484639] __kmalloc_noprof+0x1ca/0x500 [ 16.485063] kobject_get_path+0xa7/0x1f0 [ 16.485640] kobject_uevent_env+0x1f9/0xff0 [ 16.486081] kobject_uevent+0xf/0x20 [ 16.486854] param_sysfs_builtin_init+0x28c/0x3a0 [ 16.487532] do_one_initcall+0xd9/0x370 [ 16.487855] kernel_init_freeable+0x425/0x6f0 [ 16.488186] kernel_init+0x23/0x1e0 [ 16.488546] ret_from_fork+0x41/0x80 [ 16.489067] ret_from_fork_asm+0x1a/0x30 [ 16.489640] [ 16.489928] Freed by task 1: [ 16.490235] kasan_save_stack+0x45/0x70 [ 16.491264] kasan_save_track+0x18/0x40 [ 16.491845] kasan_save_free_info+0x3f/0x60 [ 16.492227] __kasan_slab_free+0x56/0x70 [ 16.492671] kfree+0x224/0x3f0 [ 16.493034] kobject_uevent_env+0x233/0xff0 [ 16.493483] kobject_uevent+0xf/0x20 [ 16.493845] param_sysfs_builtin_init+0x28c/0x3a0 [ 16.494183] do_one_initcall+0xd9/0x370 [ 16.494468] kernel_init_freeable+0x425/0x6f0 [ 16.494791] kernel_init+0x23/0x1e0 [ 16.495093] ret_from_fork+0x41/0x80 [ 16.495387] ret_from_fork_asm+0x1a/0x30 [ 16.495742] [ 16.496917] The buggy address belongs to the object at ffff8881024b00c0 [ 16.496917] which belongs to the cache kmalloc-16 of size 16 [ 16.497728] The buggy address is located 15 bytes to the right of [ 16.497728] allocated 16-byte region [ffff8881024b00c0, ffff8881024b00d0) [ 16.498737] [ 16.498959] The buggy address belongs to the physical page: [ 16.499286] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1024b0 [ 16.500730] flags: 0x200000000000000(node=0|zone=2) [ 16.501201] page_type: f5(slab) [ 16.501527] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 16.502105] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 16.502762] page dumped because: kasan: bad access detected [ 16.503601] [ 16.503753] Memory state around the buggy address: [ 16.504026] ffff8881024aff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.504526] ffff8881024b0000: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 16.505899] >ffff8881024b0080: fa fb fc fc fa fb fc fc fa fb fc fc 00 07 fc fc [ 16.506427] ^ [ 16.506933] ffff8881024b0100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.507357] ffff8881024b0180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.508107] ==================================================================