Date
July 8, 2025, 4:38 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 17.906364] ================================================================== [ 17.906517] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x150/0x2f8 [ 17.906649] Write of size 8 at addr fff00000c63d6471 by task kunit_try_catch/178 [ 17.906861] [ 17.906903] CPU: 1 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.15.6-rc1 #1 PREEMPT [ 17.907190] Tainted: [B]=BAD_PAGE, [N]=TEST [ 17.907255] Hardware name: linux,dummy-virt (DT) [ 17.907285] Call trace: [ 17.907308] show_stack+0x20/0x38 (C) [ 17.907372] dump_stack_lvl+0x8c/0xd0 [ 17.907562] print_report+0x118/0x608 [ 17.907640] kasan_report+0xdc/0x128 [ 17.907692] kasan_check_range+0x100/0x1a8 [ 17.907830] __asan_memset+0x34/0x78 [ 17.907874] kmalloc_oob_memset_8+0x150/0x2f8 [ 17.907924] kunit_try_run_case+0x170/0x3f0 [ 17.907971] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.908152] kthread+0x328/0x630 [ 17.908285] ret_from_fork+0x10/0x20 [ 17.908485] [ 17.908510] Allocated by task 178: [ 17.908800] kasan_save_stack+0x3c/0x68 [ 17.908869] kasan_save_track+0x20/0x40 [ 17.908905] kasan_save_alloc_info+0x40/0x58 [ 17.908943] __kasan_kmalloc+0xd4/0xd8 [ 17.909403] __kmalloc_cache_noprof+0x16c/0x3c0 [ 17.909453] kmalloc_oob_memset_8+0xb0/0x2f8 [ 17.909705] kunit_try_run_case+0x170/0x3f0 [ 17.909893] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 17.910019] kthread+0x328/0x630 [ 17.910061] ret_from_fork+0x10/0x20 [ 17.910130] [ 17.910188] The buggy address belongs to the object at fff00000c63d6400 [ 17.910188] which belongs to the cache kmalloc-128 of size 128 [ 17.910256] The buggy address is located 113 bytes inside of [ 17.910256] allocated 120-byte region [fff00000c63d6400, fff00000c63d6478) [ 17.910543] [ 17.910567] The buggy address belongs to the physical page: [ 17.910610] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1063d6 [ 17.910708] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 17.910883] page_type: f5(slab) [ 17.910962] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 17.911143] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 17.911240] page dumped because: kasan: bad access detected [ 17.911271] [ 17.911289] Memory state around the buggy address: [ 17.911448] fff00000c63d6300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 17.911561] fff00000c63d6380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.911697] >fff00000c63d6400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 17.911737] ^ [ 17.911776] fff00000c63d6480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.911939] fff00000c63d6500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 17.912064] ==================================================================
[ 11.388483] ================================================================== [ 11.389771] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_8+0x166/0x330 [ 11.390182] Write of size 8 at addr ffff8881029caa71 by task kunit_try_catch/196 [ 11.391170] [ 11.391476] CPU: 1 UID: 0 PID: 196 Comm: kunit_try_catch Tainted: G B N 6.15.6-rc1 #1 PREEMPT(voluntary) [ 11.391525] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.391537] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.391670] Call Trace: [ 11.391689] <TASK> [ 11.391708] dump_stack_lvl+0x73/0xb0 [ 11.391738] print_report+0xd1/0x650 [ 11.391762] ? __virt_addr_valid+0x1db/0x2d0 [ 11.391785] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.391807] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.391830] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.391959] kasan_report+0x141/0x180 [ 11.391984] ? kmalloc_oob_memset_8+0x166/0x330 [ 11.392011] kasan_check_range+0x10c/0x1c0 [ 11.392032] __asan_memset+0x27/0x50 [ 11.392053] kmalloc_oob_memset_8+0x166/0x330 [ 11.392076] ? __pfx_kmalloc_oob_memset_8+0x10/0x10 [ 11.392099] ? __schedule+0x10cc/0x2b60 [ 11.392124] ? __pfx_read_tsc+0x10/0x10 [ 11.392144] ? ktime_get_ts64+0x86/0x230 [ 11.392171] kunit_try_run_case+0x1a5/0x480 [ 11.392192] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.392211] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.392235] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.392259] ? __kthread_parkme+0x82/0x180 [ 11.392283] ? preempt_count_sub+0x50/0x80 [ 11.392309] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.392329] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.392352] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.392375] kthread+0x337/0x6f0 [ 11.392392] ? trace_preempt_on+0x20/0xc0 [ 11.392417] ? __pfx_kthread+0x10/0x10 [ 11.392436] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.392458] ? calculate_sigpending+0x7b/0xa0 [ 11.392480] ? __pfx_kthread+0x10/0x10 [ 11.392498] ret_from_fork+0x41/0x80 [ 11.392532] ? __pfx_kthread+0x10/0x10 [ 11.392550] ret_from_fork_asm+0x1a/0x30 [ 11.392580] </TASK> [ 11.392592] [ 11.404179] Allocated by task 196: [ 11.404317] kasan_save_stack+0x45/0x70 [ 11.404465] kasan_save_track+0x18/0x40 [ 11.404801] kasan_save_alloc_info+0x3b/0x50 [ 11.405455] __kasan_kmalloc+0xb7/0xc0 [ 11.405976] __kmalloc_cache_noprof+0x189/0x420 [ 11.406392] kmalloc_oob_memset_8+0xac/0x330 [ 11.406840] kunit_try_run_case+0x1a5/0x480 [ 11.407151] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.407322] kthread+0x337/0x6f0 [ 11.407439] ret_from_fork+0x41/0x80 [ 11.407653] ret_from_fork_asm+0x1a/0x30 [ 11.408016] [ 11.408262] The buggy address belongs to the object at ffff8881029caa00 [ 11.408262] which belongs to the cache kmalloc-128 of size 128 [ 11.409731] The buggy address is located 113 bytes inside of [ 11.409731] allocated 120-byte region [ffff8881029caa00, ffff8881029caa78) [ 11.410426] [ 11.410504] The buggy address belongs to the physical page: [ 11.411059] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029ca [ 11.411787] flags: 0x200000000000000(node=0|zone=2) [ 11.412251] page_type: f5(slab) [ 11.412378] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.412788] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.413696] page dumped because: kasan: bad access detected [ 11.414253] [ 11.414415] Memory state around the buggy address: [ 11.414581] ffff8881029ca900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.414804] ffff8881029ca980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.415128] >ffff8881029caa00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.415790] ^ [ 11.416468] ffff8881029caa80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.417379] ffff8881029cab00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.418018] ==================================================================