Date
June 2, 2025, 2:11 p.m.
Environment | |
---|---|
e850-96 | |
qemu-arm64 | |
qemu-x86_64 |
[ 17.726033] ================================================================== [ 17.735368] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x2ec/0x320 [ 17.742221] Read of size 1 at addr ffff000800c2e07f by task kunit_try_catch/185 [ 17.749511] [ 17.750997] CPU: 5 UID: 0 PID: 185 Comm: kunit_try_catch Tainted: G B N 6.15.1-rc1 #1 PREEMPT [ 17.751049] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.751064] Hardware name: WinLink E850-96 board (DT) [ 17.751089] Call trace: [ 17.751106] show_stack+0x20/0x38 (C) [ 17.751139] dump_stack_lvl+0x8c/0xd0 [ 17.751174] print_report+0x118/0x608 [ 17.751205] kasan_report+0xdc/0x128 [ 17.751234] __asan_report_load1_noabort+0x20/0x30 [ 17.751270] kmalloc_oob_left+0x2ec/0x320 [ 17.751301] kunit_try_run_case+0x170/0x3f0 [ 17.751338] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.751376] kthread+0x328/0x630 [ 17.751411] ret_from_fork+0x10/0x20 [ 17.751448] [ 17.813661] Allocated by task 56: [ 17.816961] kasan_save_stack+0x3c/0x68 [ 17.820779] kasan_save_track+0x20/0x40 [ 17.824598] kasan_save_alloc_info+0x40/0x58 [ 17.828850] __kasan_kmalloc+0xd4/0xd8 [ 17.832583] __kmalloc_node_track_caller_noprof+0x194/0x4b8 [ 17.838138] kstrdup+0x54/0xc8 [ 17.841177] devtmpfs_work_loop+0x6f8/0xa58 [ 17.845343] devtmpfsd+0x50/0x58 [ 17.848555] kthread+0x328/0x630 [ 17.851766] ret_from_fork+0x10/0x20 [ 17.855325] [ 17.856803] Freed by task 56: [ 17.859756] kasan_save_stack+0x3c/0x68 [ 17.863572] kasan_save_track+0x20/0x40 [ 17.867391] kasan_save_free_info+0x4c/0x78 [ 17.871558] __kasan_slab_free+0x6c/0x98 [ 17.875466] kfree+0x214/0x3c8 [ 17.878502] devtmpfs_work_loop+0x804/0xa58 [ 17.882668] devtmpfsd+0x50/0x58 [ 17.885881] kthread+0x328/0x630 [ 17.889092] ret_from_fork+0x10/0x20 [ 17.892651] [ 17.894129] The buggy address belongs to the object at ffff000800c2e060 [ 17.894129] which belongs to the cache kmalloc-16 of size 16 [ 17.906455] The buggy address is located 15 bytes to the right of [ 17.906455] allocated 16-byte region [ffff000800c2e060, ffff000800c2e070) [ 17.919387] [ 17.920865] The buggy address belongs to the physical page: [ 17.926425] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x880c2e [ 17.934408] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.940917] page_type: f5(slab) [ 17.944054] raw: 0bfffe0000000000 ffff000800002640 dead000000000122 0000000000000000 [ 17.951771] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 17.959490] page dumped because: kasan: bad access detected [ 17.965046] [ 17.966522] Memory state around the buggy address: [ 17.971303] ffff000800c2df00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.978504] ffff000800c2df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.985712] >ffff000800c2e000: 00 04 fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 17.992912] ^ [ 18.000032] ffff000800c2e080: 00 07 fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.007237] ffff000800c2e100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.014439] ==================================================================
[ 17.353221] ================================================================== [ 17.353279] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x2ec/0x320 [ 17.353368] Read of size 1 at addr fff00000c59158bf by task kunit_try_catch/141 [ 17.353884] [ 17.353967] CPU: 1 UID: 0 PID: 141 Comm: kunit_try_catch Tainted: G B N 6.15.1-rc1 #1 PREEMPT [ 17.354058] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.354111] Hardware name: linux,dummy-virt (DT) [ 17.354142] Call trace: [ 17.354198] show_stack+0x20/0x38 (C) [ 17.354277] dump_stack_lvl+0x8c/0xd0 [ 17.354329] print_report+0x118/0x608 [ 17.354387] kasan_report+0xdc/0x128 [ 17.354627] __asan_report_load1_noabort+0x20/0x30 [ 17.354695] kmalloc_oob_left+0x2ec/0x320 [ 17.354830] kunit_try_run_case+0x170/0x3f0 [ 17.355038] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.355147] kthread+0x328/0x630 [ 17.355211] ret_from_fork+0x10/0x20 [ 17.355280] [ 17.355298] Allocated by task 52: [ 17.355328] kasan_save_stack+0x3c/0x68 [ 17.355384] kasan_save_track+0x20/0x40 [ 17.355609] kasan_save_alloc_info+0x40/0x58 [ 17.355680] __kasan_kmalloc+0xd4/0xd8 [ 17.355792] __kmalloc_node_track_caller_noprof+0x194/0x4b8 [ 17.355880] kvasprintf+0xe0/0x180 [ 17.355970] __kthread_create_on_node+0x16c/0x350 [ 17.356051] kthread_create_on_node+0xe4/0x130 [ 17.356127] create_worker+0x380/0x6b8 [ 17.356200] worker_thread+0x808/0xf38 [ 17.356234] kthread+0x328/0x630 [ 17.356283] ret_from_fork+0x10/0x20 [ 17.356339] [ 17.356810] The buggy address belongs to the object at fff00000c59158a0 [ 17.356810] which belongs to the cache kmalloc-16 of size 16 [ 17.356871] The buggy address is located 19 bytes to the right of [ 17.356871] allocated 12-byte region [fff00000c59158a0, fff00000c59158ac) [ 17.356954] [ 17.357177] The buggy address belongs to the physical page: [ 17.357279] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105915 [ 17.357407] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.357497] page_type: f5(slab) [ 17.357538] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 17.357766] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 17.357872] page dumped because: kasan: bad access detected [ 17.357917] [ 17.357944] Memory state around the buggy address: [ 17.357977] fff00000c5915780: 00 02 fc fc 00 05 fc fc fa fb fc fc 00 02 fc fc [ 17.358035] fff00000c5915800: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 17.358076] >fff00000c5915880: fa fb fc fc 00 04 fc fc 00 07 fc fc fc fc fc fc [ 17.358112] ^ [ 17.358145] fff00000c5915900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.358186] fff00000c5915980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.358222] ==================================================================
[ 15.531819] ================================================================== [ 15.532492] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x361/0x3c0 [ 15.533161] Read of size 1 at addr ffff888101d9a39f by task kunit_try_catch/159 [ 15.534007] [ 15.534355] CPU: 1 UID: 0 PID: 159 Comm: kunit_try_catch Tainted: G B N 6.15.1-rc1 #1 PREEMPT(voluntary) [ 15.534465] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.534737] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 15.534803] Call Trace: [ 15.534847] <TASK> [ 15.534892] dump_stack_lvl+0x73/0xb0 [ 15.534980] print_report+0xd1/0x650 [ 15.535054] ? __virt_addr_valid+0x1db/0x2d0 [ 15.535141] ? kmalloc_oob_left+0x361/0x3c0 [ 15.535207] ? kasan_complete_mode_report_info+0x2a/0x200 [ 15.535257] ? kmalloc_oob_left+0x361/0x3c0 [ 15.535452] kasan_report+0x141/0x180 [ 15.535523] ? kmalloc_oob_left+0x361/0x3c0 [ 15.535571] __asan_report_load1_noabort+0x18/0x20 [ 15.535605] kmalloc_oob_left+0x361/0x3c0 [ 15.535658] ? __pfx_kmalloc_oob_left+0x10/0x10 [ 15.535694] ? __schedule+0x10cc/0x2b30 [ 15.535732] ? __pfx_read_tsc+0x10/0x10 [ 15.535781] ? ktime_get_ts64+0x86/0x230 [ 15.535826] kunit_try_run_case+0x1a5/0x480 [ 15.535866] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.535898] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 15.535934] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 15.535968] ? __kthread_parkme+0x82/0x180 [ 15.536002] ? preempt_count_sub+0x50/0x80 [ 15.536042] ? __pfx_kunit_try_run_case+0x10/0x10 [ 15.536081] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 15.536120] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 15.536171] kthread+0x337/0x6f0 [ 15.536200] ? trace_preempt_on+0x20/0xc0 [ 15.536243] ? __pfx_kthread+0x10/0x10 [ 15.536274] ? _raw_spin_unlock_irq+0x47/0x80 [ 15.536312] ? calculate_sigpending+0x7b/0xa0 [ 15.536342] ? __pfx_kthread+0x10/0x10 [ 15.536363] ret_from_fork+0x41/0x80 [ 15.536387] ? __pfx_kthread+0x10/0x10 [ 15.536406] ret_from_fork_asm+0x1a/0x30 [ 15.536441] </TASK> [ 15.536458] [ 15.549330] Allocated by task 1: [ 15.549575] kasan_save_stack+0x45/0x70 [ 15.549976] kasan_save_track+0x18/0x40 [ 15.550625] kasan_save_alloc_info+0x3b/0x50 [ 15.551085] __kasan_kmalloc+0xb7/0xc0 [ 15.551477] __kmalloc_node_track_caller_noprof+0x1cb/0x500 [ 15.552151] kvasprintf+0xc5/0x150 [ 15.552505] __kthread_create_on_node+0x18b/0x3a0 [ 15.552982] kthread_create_on_node+0xab/0xe0 [ 15.553711] create_worker+0x3e5/0x7b0 [ 15.554321] alloc_unbound_pwq+0x8ea/0xdb0 [ 15.554546] apply_wqattrs_prepare+0x332/0xd20 [ 15.554946] apply_workqueue_attrs_locked+0x4d/0xa0 [ 15.555371] alloc_workqueue+0xcc7/0x1ad0 [ 15.556389] latency_fsnotify_init+0x1b/0x50 [ 15.556873] do_one_initcall+0xd8/0x370 [ 15.557142] kernel_init_freeable+0x420/0x6f0 [ 15.557808] kernel_init+0x23/0x1e0 [ 15.558424] ret_from_fork+0x41/0x80 [ 15.558643] ret_from_fork_asm+0x1a/0x30 [ 15.559034] [ 15.559210] The buggy address belongs to the object at ffff888101d9a380 [ 15.559210] which belongs to the cache kmalloc-16 of size 16 [ 15.559797] The buggy address is located 18 bytes to the right of [ 15.559797] allocated 13-byte region [ffff888101d9a380, ffff888101d9a38d) [ 15.561441] [ 15.561850] The buggy address belongs to the physical page: [ 15.562101] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101d9a [ 15.562937] flags: 0x200000000000000(node=0|zone=2) [ 15.563213] page_type: f5(slab) [ 15.563569] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 15.564667] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 15.565063] page dumped because: kasan: bad access detected [ 15.565493] [ 15.565825] Memory state around the buggy address: [ 15.566125] ffff888101d9a280: fa fb fc fc 00 03 fc fc 00 03 fc fc fa fb fc fc [ 15.567428] ffff888101d9a300: 00 01 fc fc 00 01 fc fc fa fb fc fc fa fb fc fc [ 15.567941] >ffff888101d9a380: 00 05 fc fc 00 07 fc fc fc fc fc fc fc fc fc fc [ 15.568921] ^ [ 15.569169] ffff888101d9a400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.569566] ffff888101d9a480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.570442] ==================================================================