Date
July 1, 2025, 3:08 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.024111] ================================================================== [ 17.024176] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 17.024354] Write of size 8 at addr fff00000c5733971 by task kunit_try_catch/177 [ 17.024543] [ 17.024590] CPU: 1 UID: 0 PID: 177 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 17.024674] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.024700] Hardware name: linux,dummy-virt (DT) [ 17.024731] Call trace: [ 17.024753] show_stack+0x20/0x38 (C) [ 17.024804] dump_stack_lvl+0x8c/0xd0 [ 17.024854] print_report+0x118/0x608 [ 17.024933] kasan_report+0xdc/0x128 [ 17.024978] kasan_check_range+0x100/0x1a8 [ 17.025026] __asan_memset+0x34/0x78 [ 17.025067] kmalloc_oob_memset_8+0x150/0x2f8 [ 17.025112] kunit_try_run_case+0x170/0x3f0 [ 17.025160] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.025211] kthread+0x328/0x630 [ 17.025251] ret_from_fork+0x10/0x20 [ 17.025553] [ 17.025621] Allocated by task 177: [ 17.025650] kasan_save_stack+0x3c/0x68 [ 17.025732] kasan_save_track+0x20/0x40 [ 17.025829] kasan_save_alloc_info+0x40/0x58 [ 17.025869] __kasan_kmalloc+0xd4/0xd8 [ 17.025905] __kmalloc_cache_noprof+0x16c/0x3c0 [ 17.025944] kmalloc_oob_memset_8+0xb0/0x2f8 [ 17.025980] kunit_try_run_case+0x170/0x3f0 [ 17.026056] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.026099] kthread+0x328/0x630 [ 17.026131] ret_from_fork+0x10/0x20 [ 17.026165] [ 17.026184] The buggy address belongs to the object at fff00000c5733900 [ 17.026184] which belongs to the cache kmalloc-128 of size 128 [ 17.026244] The buggy address is located 113 bytes inside of [ 17.026244] allocated 120-byte region [fff00000c5733900, fff00000c5733978) [ 17.026316] [ 17.026418] The buggy address belongs to the physical page: [ 17.026451] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105733 [ 17.026508] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.026625] page_type: f5(slab) [ 17.026683] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.026732] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.026772] page dumped because: kasan: bad access detected [ 17.026802] [ 17.026820] Memory state around the buggy address: [ 17.026854] fff00000c5733800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.026897] fff00000c5733880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.026940] >fff00000c5733900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.027009] ^ [ 17.027050] fff00000c5733980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.027092] fff00000c5733a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.027131] ==================================================================
[ 11.715747] ================================================================== [ 11.716445] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 11.717104] Write of size 8 at addr ffff8881033ae271 by task kunit_try_catch/193 [ 11.717780] [ 11.717900] CPU: 0 UID: 0 PID: 193 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.717946] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.717957] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.717978] Call Trace: [ 11.717990] <TASK> [ 11.718008] dump_stack_lvl+0x73/0xb0 [ 11.718052] print_report+0xd1/0x650 [ 11.718075] ? __virt_addr_valid+0x1db/0x2d0 [ 11.718138] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.718159] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.718180] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.718200] kasan_report+0x141/0x180 [ 11.718221] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.718247] kasan_check_range+0x10c/0x1c0 [ 11.718269] __asan_memset+0x27/0x50 [ 11.718288] kmalloc_oob_memset_8+0x166/0x330 [ 11.718309] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 11.718330] ? __schedule+0x10cc/0x2b60 [ 11.718351] ? __pfx_read_tsc+0x10/0x10 [ 11.718371] ? ktime_get_ts64+0x86/0x230 [ 11.718394] kunit_try_run_case+0x1a5/0x480 [ 11.718417] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.718437] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.718460] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.718481] ? __kthread_parkme+0x82/0x180 [ 11.718501] ? preempt_count_sub+0x50/0x80 [ 11.718523] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.718545] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.718566] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.718587] kthread+0x337/0x6f0 [ 11.718605] ? trace_preempt_on+0x20/0xc0 [ 11.718628] ? __pfx_kthread+0x10/0x10 [ 11.718724] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.718749] ? calculate_sigpending+0x7b/0xa0 [ 11.718774] ? __pfx_kthread+0x10/0x10 [ 11.718794] ret_from_fork+0x116/0x1d0 [ 11.718812] ? __pfx_kthread+0x10/0x10 [ 11.718831] ret_from_fork_asm+0x1a/0x30 [ 11.718861] </TASK> [ 11.718873] [ 11.730510] Allocated by task 193: [ 11.730931] kasan_save_stack+0x45/0x70 [ 11.731259] kasan_save_track+0x18/0x40 [ 11.731571] kasan_save_alloc_info+0x3b/0x50 [ 11.731920] __kasan_kmalloc+0xb7/0xc0 [ 11.732115] __kmalloc_cache_noprof+0x189/0x420 [ 11.732334] kmalloc_oob_memset_8+0xac/0x330 [ 11.732528] kunit_try_run_case+0x1a5/0x480 [ 11.732973] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.733424] kthread+0x337/0x6f0 [ 11.733723] ret_from_fork+0x116/0x1d0 [ 11.734077] ret_from_fork_asm+0x1a/0x30 [ 11.734410] [ 11.734620] The buggy address belongs to the object at ffff8881033ae200 [ 11.734620] which belongs to the cache kmalloc-128 of size 128 [ 11.735424] The buggy address is located 113 bytes inside of [ 11.735424] allocated 120-byte region [ffff8881033ae200, ffff8881033ae278) [ 11.736454] [ 11.736535] The buggy address belongs to the physical page: [ 11.736892] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1033ae [ 11.737580] flags: 0x200000000000000(node=0|zone=2) [ 11.737929] page_type: f5(slab) [ 11.738118] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.738439] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.738971] page dumped because: kasan: bad access detected [ 11.739226] [ 11.739482] Memory state around the buggy address: [ 11.739765] ffff8881033ae100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.740251] ffff8881033ae180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.740562] >ffff8881033ae200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.740953] ^ [ 11.741263] ffff8881033ae280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.741645] ffff8881033ae300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.741995] ==================================================================