Date
June 26, 2025, 11:12 a.m.
| Environment | |
|---|---|
| e850-96 | |
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.877356] ================================================================== [ 19.886405] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x2ec/0x320 [ 19.893257] Read of size 1 at addr ffff000800d6203f by task kunit_try_catch/187 [ 19.900547] [ 19.902038] CPU: 7 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc3 #1 PREEMPT [ 19.902096] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.902112] Hardware name: WinLink E850-96 board (DT) [ 19.902134] Call trace: [ 19.902147] show_stack+0x20/0x38 (C) [ 19.902183] dump_stack_lvl+0x8c/0xd0 [ 19.902221] print_report+0x118/0x608 [ 19.902251] kasan_report+0xdc/0x128 [ 19.902284] __asan_report_load1_noabort+0x20/0x30 [ 19.902322] kmalloc_oob_left+0x2ec/0x320 [ 19.902354] kunit_try_run_case+0x170/0x3f0 [ 19.902390] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.902431] kthread+0x328/0x630 [ 19.902468] ret_from_fork+0x10/0x20 [ 19.902503] [ 19.964696] Allocated by task 55: [ 19.967999] kasan_save_stack+0x3c/0x68 [ 19.971814] kasan_save_track+0x20/0x40 [ 19.975633] kasan_save_alloc_info+0x40/0x58 [ 19.979886] __kasan_kmalloc+0xd4/0xd8 [ 19.983619] __kmalloc_node_track_caller_noprof+0x194/0x4b8 [ 19.989175] kvasprintf+0xe0/0x180 [ 19.992560] __kthread_create_on_node+0x16c/0x350 [ 19.997247] kthread_create_on_node+0xe4/0x130 [ 20.001676] create_worker+0x380/0x6b8 [ 20.005407] worker_thread+0x808/0xf38 [ 20.009140] kthread+0x328/0x630 [ 20.012351] ret_from_fork+0x10/0x20 [ 20.015910] [ 20.017387] The buggy address belongs to the object at ffff000800d62020 [ 20.017387] which belongs to the cache kmalloc-16 of size 16 [ 20.029714] The buggy address is located 18 bytes to the right of [ 20.029714] allocated 13-byte region [ffff000800d62020, ffff000800d6202d) [ 20.042646] [ 20.044126] The buggy address belongs to the physical page: [ 20.049681] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x880d62 [ 20.057667] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 20.064175] page_type: f5(slab) [ 20.067314] raw: 0bfffe0000000000 ffff000800002640 dead000000000122 0000000000000000 [ 20.075031] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 20.082749] page dumped because: kasan: bad access detected [ 20.088306] [ 20.089782] Memory state around the buggy address: [ 20.094563] ffff000800d61f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.101763] ffff000800d61f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.108969] >ffff000800d62000: 00 04 fc fc 00 05 fc fc 00 07 fc fc fc fc fc fc [ 20.116169] ^ [ 20.121209] ffff000800d62080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.128412] ffff000800d62100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 20.135615] ==================================================================
[ 17.622700] ================================================================== [ 17.622761] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x2ec/0x320 [ 17.622817] Read of size 1 at addr fff00000c59e553f by task kunit_try_catch/140 [ 17.622893] [ 17.622937] CPU: 0 UID: 0 PID: 140 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc3 #1 PREEMPT [ 17.623021] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.623048] Hardware name: linux,dummy-virt (DT) [ 17.623080] Call trace: [ 17.623111] show_stack+0x20/0x38 (C) [ 17.623166] dump_stack_lvl+0x8c/0xd0 [ 17.623212] print_report+0x118/0x608 [ 17.623256] kasan_report+0xdc/0x128 [ 17.623307] __asan_report_load1_noabort+0x20/0x30 [ 17.623357] kmalloc_oob_left+0x2ec/0x320 [ 17.623404] kunit_try_run_case+0x170/0x3f0 [ 17.623451] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.623503] kthread+0x328/0x630 [ 17.623547] ret_from_fork+0x10/0x20 [ 17.623594] [ 17.623611] Allocated by task 9: [ 17.623637] kasan_save_stack+0x3c/0x68 [ 17.623675] kasan_save_track+0x20/0x40 [ 17.623709] kasan_save_alloc_info+0x40/0x58 [ 17.623746] __kasan_kmalloc+0xd4/0xd8 [ 17.623781] __kmalloc_node_track_caller_noprof+0x194/0x4b8 [ 17.623822] kvasprintf+0xe0/0x180 [ 17.624682] __kthread_create_on_node+0x16c/0x350 [ 17.624948] kthread_create_on_node+0xe4/0x130 [ 17.625059] create_worker+0x380/0x6b8 [ 17.625097] worker_thread+0x808/0xf38 [ 17.625262] kthread+0x328/0x630 [ 17.625305] ret_from_fork+0x10/0x20 [ 17.625340] [ 17.625367] The buggy address belongs to the object at fff00000c59e5520 [ 17.625367] which belongs to the cache kmalloc-16 of size 16 [ 17.625424] The buggy address is located 19 bytes to the right of [ 17.625424] allocated 12-byte region [fff00000c59e5520, fff00000c59e552c) [ 17.625558] [ 17.625770] The buggy address belongs to the physical page: [ 17.625933] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1059e5 [ 17.625988] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.626159] page_type: f5(slab) [ 17.626347] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 17.626402] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 17.626582] page dumped because: kasan: bad access detected [ 17.626769] [ 17.626809] Memory state around the buggy address: [ 17.626842] fff00000c59e5400: 00 02 fc fc 00 05 fc fc fa fb fc fc 00 02 fc fc [ 17.627032] fff00000c59e5480: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 17.627185] >fff00000c59e5500: fa fb fc fc 00 04 fc fc 00 07 fc fc fc fc fc fc [ 17.627227] ^ [ 17.627413] fff00000c59e5580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.627462] fff00000c59e5600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.627557] ==================================================================
[ 10.221629] ================================================================== [ 10.222933] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x361/0x3c0 [ 10.223579] Read of size 1 at addr ffff8881025a7f3f by task kunit_try_catch/157 [ 10.224463] [ 10.224594] CPU: 1 UID: 0 PID: 157 Comm: kunit_try_catch Tainted: G B N 6.15.4-rc3 #1 PREEMPT(voluntary) [ 10.224668] Tainted: [B]=BAD_PAGE, [N]=TEST [ 10.224695] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 10.224724] Call Trace: [ 10.224738] <TASK> [ 10.224759] dump_stack_lvl+0x73/0xb0 [ 10.224790] print_report+0xd1/0x650 [ 10.224813] ? __virt_addr_valid+0x1db/0x2d0 [ 10.224836] ? kmalloc_oob_left+0x361/0x3c0 [ 10.224857] ? kasan_complete_mode_report_info+0x64/0x200 [ 10.224879] ? kmalloc_oob_left+0x361/0x3c0 [ 10.224901] kasan_report+0x141/0x180 [ 10.224933] ? kmalloc_oob_left+0x361/0x3c0 [ 10.224959] __asan_report_load1_noabort+0x18/0x20 [ 10.224979] kmalloc_oob_left+0x361/0x3c0 [ 10.225001] ? __pfx_kmalloc_oob_left+0x10/0x10 [ 10.225023] ? __schedule+0x10cc/0x2b60 [ 10.225046] ? __pfx_read_tsc+0x10/0x10 [ 10.225066] ? ktime_get_ts64+0x86/0x230 [ 10.225092] kunit_try_run_case+0x1a5/0x480 [ 10.225118] ? __pfx_kunit_try_run_case+0x10/0x10 [ 10.225139] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 10.225163] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 10.225185] ? __kthread_parkme+0x82/0x180 [ 10.225208] ? preempt_count_sub+0x50/0x80 [ 10.225233] ? __pfx_kunit_try_run_case+0x10/0x10 [ 10.225256] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 10.225278] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 10.225300] kthread+0x337/0x6f0 [ 10.225316] ? trace_preempt_on+0x20/0xc0 [ 10.225340] ? __pfx_kthread+0x10/0x10 [ 10.225357] ? _raw_spin_unlock_irq+0x47/0x80 [ 10.225378] ? calculate_sigpending+0x7b/0xa0 [ 10.225399] ? __pfx_kthread+0x10/0x10 [ 10.225416] ret_from_fork+0x41/0x80 [ 10.225436] ? __pfx_kthread+0x10/0x10 [ 10.225453] ret_from_fork_asm+0x1a/0x30 [ 10.225484] </TASK> [ 10.225495] [ 10.239347] Allocated by task 48: [ 10.239795] kasan_save_stack+0x45/0x70 [ 10.240218] kasan_save_track+0x18/0x40 [ 10.240365] kasan_save_alloc_info+0x3b/0x50 [ 10.240508] __kasan_kmalloc+0xb7/0xc0 [ 10.240972] __kmalloc_node_track_caller_noprof+0x1cb/0x500 [ 10.241492] kvasprintf+0xc5/0x150 [ 10.241909] kasprintf+0xb6/0xf0 [ 10.242241] input_devnode+0x46/0x80 [ 10.242414] device_get_devnode+0x145/0x2a0 [ 10.242906] dev_uevent+0x41c/0x730 [ 10.243180] kobject_uevent_env+0x50d/0xff0 [ 10.243328] kobject_uevent+0xf/0x20 [ 10.243456] device_add+0xe4c/0x1820 [ 10.243581] cdev_device_add+0xab/0x1c0 [ 10.244087] evdev_connect+0x356/0x480 [ 10.244444] input_attach_handler.isra.0+0x117/0x1f0 [ 10.244992] input_register_device+0x722/0xe10 [ 10.245405] psmouse_connect+0x6ed/0xe30 [ 10.245864] serio_driver_probe+0x7a/0xb0 [ 10.246193] really_probe+0x1d4/0x920 [ 10.246330] __driver_probe_device+0x18f/0x3e0 [ 10.246484] driver_probe_device+0x4f/0x130 [ 10.246854] __driver_attach+0x1eb/0x4b0 [ 10.247237] bus_for_each_dev+0x10f/0x1a0 [ 10.247604] driver_attach+0x41/0x60 [ 10.248047] serio_handle_event+0x254/0x940 [ 10.248467] process_one_work+0x5ee/0xf60 [ 10.248960] worker_thread+0x758/0x1220 [ 10.249155] kthread+0x337/0x6f0 [ 10.249280] ret_from_fork+0x41/0x80 [ 10.249415] ret_from_fork_asm+0x1a/0x30 [ 10.249555] [ 10.249819] Freed by task 48: [ 10.250188] kasan_save_stack+0x45/0x70 [ 10.250561] kasan_save_track+0x18/0x40 [ 10.251054] kasan_save_free_info+0x3f/0x60 [ 10.251433] __kasan_slab_free+0x56/0x70 [ 10.251864] kfree+0x222/0x3f0 [ 10.252161] dev_uevent+0x466/0x730 [ 10.252480] kobject_uevent_env+0x50d/0xff0 [ 10.252627] kobject_uevent+0xf/0x20 [ 10.252887] device_add+0xe4c/0x1820 [ 10.253235] cdev_device_add+0xab/0x1c0 [ 10.253567] evdev_connect+0x356/0x480 [ 10.253930] input_attach_handler.isra.0+0x117/0x1f0 [ 10.254100] input_register_device+0x722/0xe10 [ 10.254247] psmouse_connect+0x6ed/0xe30 [ 10.254385] serio_driver_probe+0x7a/0xb0 [ 10.254523] really_probe+0x1d4/0x920 [ 10.254781] __driver_probe_device+0x18f/0x3e0 [ 10.255241] driver_probe_device+0x4f/0x130 [ 10.255647] __driver_attach+0x1eb/0x4b0 [ 10.256084] bus_for_each_dev+0x10f/0x1a0 [ 10.256441] driver_attach+0x41/0x60 [ 10.256844] serio_handle_event+0x254/0x940 [ 10.257225] process_one_work+0x5ee/0xf60 [ 10.257605] worker_thread+0x758/0x1220 [ 10.258040] kthread+0x337/0x6f0 [ 10.258339] ret_from_fork+0x41/0x80 [ 10.258695] ret_from_fork_asm+0x1a/0x30 [ 10.259035] [ 10.259118] The buggy address belongs to the object at ffff8881025a7f20 [ 10.259118] which belongs to the cache kmalloc-16 of size 16 [ 10.259479] The buggy address is located 15 bytes to the right of [ 10.259479] allocated 16-byte region [ffff8881025a7f20, ffff8881025a7f30) [ 10.260636] [ 10.260832] The buggy address belongs to the physical page: [ 10.261344] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1025a7 [ 10.262125] flags: 0x200000000000000(node=0|zone=2) [ 10.262641] page_type: f5(slab) [ 10.262857] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 10.263099] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 10.263317] page dumped because: kasan: bad access detected [ 10.263481] [ 10.263555] Memory state around the buggy address: [ 10.263706] ffff8881025a7e00: fa fb fc fc 00 06 fc fc 00 06 fc fc fa fb fc fc [ 10.263913] ffff8881025a7e80: 00 06 fc fc 00 06 fc fc 00 00 fc fc fa fb fc fc [ 10.264625] >ffff8881025a7f00: fa fb fc fc fa fb fc fc 00 07 fc fc fc fc fc fc [ 10.265344] ^ [ 10.265909] ffff8881025a7f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 10.266637] ffff8881025a8000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 10.267377] ==================================================================