Date
April 20, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 | |
| rk3399-rock-pi-4b |
[ 26.337671] ================================================================== [ 26.337793] BUG: KASAN: slab-out-of-bounds in memcmp+0x198/0x1d8 [ 26.337916] Read of size 1 at addr fff00000c761aa98 by task kunit_try_catch/259 [ 26.338764] [ 26.339040] CPU: 0 UID: 0 PID: 259 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc3 #1 PREEMPT [ 26.339677] Tainted: [B]=BAD_PAGE, [N]=TEST [ 26.339988] Hardware name: linux,dummy-virt (DT) [ 26.340481] Call trace: [ 26.340662] show_stack+0x20/0x38 (C) [ 26.341571] dump_stack_lvl+0x8c/0xd0 [ 26.341960] print_report+0x118/0x608 [ 26.342127] kasan_report+0xdc/0x128 [ 26.342268] __asan_report_load1_noabort+0x20/0x30 [ 26.342604] memcmp+0x198/0x1d8 [ 26.342828] kasan_memcmp+0x16c/0x300 [ 26.342979] kunit_try_run_case+0x170/0x3f0 [ 26.343129] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.343337] kthread+0x328/0x630 [ 26.343496] ret_from_fork+0x10/0x20 [ 26.343685] [ 26.343900] Allocated by task 259: [ 26.344034] kasan_save_stack+0x3c/0x68 [ 26.344300] kasan_save_track+0x20/0x40 [ 26.344430] kasan_save_alloc_info+0x40/0x58 [ 26.344534] __kasan_kmalloc+0xd4/0xd8 [ 26.344804] __kmalloc_cache_noprof+0x15c/0x3c0 [ 26.344926] kasan_memcmp+0xbc/0x300 [ 26.345042] kunit_try_run_case+0x170/0x3f0 [ 26.345799] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 26.346025] kthread+0x328/0x630 [ 26.346160] ret_from_fork+0x10/0x20 [ 26.346267] [ 26.346314] The buggy address belongs to the object at fff00000c761aa80 [ 26.346314] which belongs to the cache kmalloc-32 of size 32 [ 26.346449] The buggy address is located 0 bytes to the right of [ 26.346449] allocated 24-byte region [fff00000c761aa80, fff00000c761aa98) [ 26.346599] [ 26.346644] The buggy address belongs to the physical page: [ 26.346718] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10761a [ 26.346841] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 26.346988] page_type: f5(slab) [ 26.347252] raw: 0bfffe0000000000 fff00000c0001780 dead000000000122 0000000000000000 [ 26.347442] raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000 [ 26.347658] page dumped because: kasan: bad access detected [ 26.347887] [ 26.347977] Memory state around the buggy address: [ 26.348061] fff00000c761a980: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc [ 26.348181] fff00000c761aa00: 00 00 00 04 fc fc fc fc 00 00 07 fc fc fc fc fc [ 26.348318] >fff00000c761aa80: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.348445] ^ [ 26.348558] fff00000c761ab00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.348681] fff00000c761ab80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.348821] ==================================================================
[ 13.380663] ================================================================== [ 13.381964] BUG: KASAN: slab-out-of-bounds in memcmp+0x1b4/0x1d0 [ 13.382196] Read of size 1 at addr ffff888102b4e2d8 by task kunit_try_catch/277 [ 13.382430] [ 13.382521] CPU: 1 UID: 0 PID: 277 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc3 #1 PREEMPT(voluntary) [ 13.382570] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.382583] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.382605] Call Trace: [ 13.382618] <TASK> [ 13.382636] dump_stack_lvl+0x73/0xb0 [ 13.382660] print_report+0xd1/0x650 [ 13.382687] ? __virt_addr_valid+0x1db/0x2d0 [ 13.382712] ? memcmp+0x1b4/0x1d0 [ 13.382731] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.382755] ? memcmp+0x1b4/0x1d0 [ 13.382775] kasan_report+0x141/0x180 [ 13.382799] ? memcmp+0x1b4/0x1d0 [ 13.382823] __asan_report_load1_noabort+0x18/0x20 [ 13.382845] memcmp+0x1b4/0x1d0 [ 13.382868] kasan_memcmp+0x18f/0x390 [ 13.382889] ? trace_hardirqs_on+0x37/0xe0 [ 13.382915] ? __pfx_kasan_memcmp+0x10/0x10 [ 13.382936] ? finish_task_switch.isra.0+0x153/0x700 [ 13.382960] ? __switch_to+0x5d9/0xf60 [ 13.382983] ? dequeue_task_fair+0x166/0x4e0 [ 13.383013] ? __pfx_read_tsc+0x10/0x10 [ 13.383034] ? ktime_get_ts64+0x86/0x230 [ 13.383062] kunit_try_run_case+0x1a5/0x480 [ 13.383090] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.383113] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 13.383140] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.383165] ? __kthread_parkme+0x82/0x180 [ 13.383187] ? preempt_count_sub+0x50/0x80 [ 13.383212] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.383237] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.383260] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.383283] kthread+0x337/0x6f0 [ 13.383305] ? trace_preempt_on+0x20/0xc0 [ 13.383621] ? __pfx_kthread+0x10/0x10 [ 13.383656] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.383680] ? calculate_sigpending+0x7b/0xa0 [ 13.383705] ? __pfx_kthread+0x10/0x10 [ 13.383925] ret_from_fork+0x41/0x80 [ 13.383960] ? __pfx_kthread+0x10/0x10 [ 13.383986] ret_from_fork_asm+0x1a/0x30 [ 13.384020] </TASK> [ 13.384032] [ 13.395333] Allocated by task 277: [ 13.395827] kasan_save_stack+0x45/0x70 [ 13.396034] kasan_save_track+0x18/0x40 [ 13.396303] kasan_save_alloc_info+0x3b/0x50 [ 13.396823] __kasan_kmalloc+0xb7/0xc0 [ 13.396993] __kmalloc_cache_noprof+0x189/0x420 [ 13.397240] kasan_memcmp+0xb7/0x390 [ 13.397556] kunit_try_run_case+0x1a5/0x480 [ 13.397714] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.397981] kthread+0x337/0x6f0 [ 13.398171] ret_from_fork+0x41/0x80 [ 13.398454] ret_from_fork_asm+0x1a/0x30 [ 13.398695] [ 13.398784] The buggy address belongs to the object at ffff888102b4e2c0 [ 13.398784] which belongs to the cache kmalloc-32 of size 32 [ 13.399820] The buggy address is located 0 bytes to the right of [ 13.399820] allocated 24-byte region [ffff888102b4e2c0, ffff888102b4e2d8) [ 13.400729] [ 13.400867] The buggy address belongs to the physical page: [ 13.401095] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b4e [ 13.401535] flags: 0x200000000000000(node=0|zone=2) [ 13.401842] page_type: f5(slab) [ 13.402025] raw: 0200000000000000 ffff888100041780 dead000000000122 0000000000000000 [ 13.402452] raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000 [ 13.402801] page dumped because: kasan: bad access detected [ 13.403047] [ 13.403120] Memory state around the buggy address: [ 13.403493] ffff888102b4e180: 00 00 00 fc fc fc fc fc fa fb fb fb fc fc fc fc [ 13.403810] ffff888102b4e200: 00 00 00 fc fc fc fc fc 00 00 00 04 fc fc fc fc [ 13.404111] >ffff888102b4e280: 00 00 07 fc fc fc fc fc 00 00 00 fc fc fc fc fc [ 13.404440] ^ [ 13.404920] ffff888102b4e300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.405268] ffff888102b4e380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.405982] ==================================================================
[ 23.449322] ================================================================== [ 23.450369] BUG: KASAN: slab-out-of-bounds in memcmp+0x198/0x1d8 [ 23.450956] Read of size 1 at addr ffff00000ee4dbd8 by task kunit_try_catch/311 [ 23.451635] [ 23.451801] CPU: 2 UID: 0 PID: 311 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc3 #1 PREEMPT [ 23.451853] Tainted: [B]=BAD_PAGE, [N]=TEST [ 23.451868] Hardware name: Radxa ROCK Pi 4B (DT) [ 23.451886] Call trace: [ 23.451899] show_stack+0x20/0x38 (C) [ 23.451935] dump_stack_lvl+0x8c/0xd0 [ 23.451966] print_report+0x118/0x608 [ 23.451998] kasan_report+0xdc/0x128 [ 23.452027] __asan_report_load1_noabort+0x20/0x30 [ 23.452064] memcmp+0x198/0x1d8 [ 23.452095] kasan_memcmp+0x16c/0x300 [ 23.452129] kunit_try_run_case+0x170/0x3f0 [ 23.452166] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.452206] kthread+0x328/0x630 [ 23.452241] ret_from_fork+0x10/0x20 [ 23.452275] [ 23.458092] Allocated by task 311: [ 23.458420] kasan_save_stack+0x3c/0x68 [ 23.458795] kasan_save_track+0x20/0x40 [ 23.459168] kasan_save_alloc_info+0x40/0x58 [ 23.459583] __kasan_kmalloc+0xd4/0xd8 [ 23.459947] __kmalloc_cache_noprof+0x15c/0x3c0 [ 23.460390] kasan_memcmp+0xbc/0x300 [ 23.460744] kunit_try_run_case+0x170/0x3f0 [ 23.461152] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 23.461679] kthread+0x328/0x630 [ 23.462004] ret_from_fork+0x10/0x20 [ 23.462356] [ 23.462510] The buggy address belongs to the object at ffff00000ee4dbc0 [ 23.462510] which belongs to the cache kmalloc-32 of size 32 [ 23.463630] The buggy address is located 0 bytes to the right of [ 23.463630] allocated 24-byte region [ffff00000ee4dbc0, ffff00000ee4dbd8) [ 23.464798] [ 23.464953] The buggy address belongs to the physical page: [ 23.465470] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xee4d [ 23.466197] flags: 0x3fffe0000000000(node=0|zone=0|lastcpupid=0x1ffff) [ 23.466811] page_type: f5(slab) [ 23.467127] raw: 03fffe0000000000 ffff000000402780 dead000000000122 0000000000000000 [ 23.467844] raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000 [ 23.468553] page dumped because: kasan: bad access detected [ 23.469071] [ 23.469225] Memory state around the buggy address: [ 23.469675] ffff00000ee4da80: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc [ 23.470345] ffff00000ee4db00: fa fb fb fb fc fc fc fc 00 00 00 fc fc fc fc fc [ 23.471012] >ffff00000ee4db80: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc [ 23.471675] ^ [ 23.472241] ffff00000ee4dc00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.472909] ffff00000ee4dc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 23.473572] ==================================================================