Date
July 3, 2025, 6:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.823714] ================================================================== [ 16.824090] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x150/0x2f8 [ 16.824202] Write of size 2 at addr fff00000c652df77 by task kunit_try_catch/172 [ 16.824304] [ 16.824380] CPU: 0 UID: 0 PID: 172 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 16.824671] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.824735] Hardware name: linux,dummy-virt (DT) [ 16.824814] Call trace: [ 16.824933] show_stack+0x20/0x38 (C) [ 16.825332] dump_stack_lvl+0x8c/0xd0 [ 16.825542] print_report+0x118/0x608 [ 16.825603] kasan_report+0xdc/0x128 [ 16.825810] kasan_check_range+0x100/0x1a8 [ 16.825867] __asan_memset+0x34/0x78 [ 16.825977] kmalloc_oob_memset_2+0x150/0x2f8 [ 16.826392] kunit_try_run_case+0x170/0x3f0 [ 16.826579] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.826776] kthread+0x328/0x630 [ 16.827067] ret_from_fork+0x10/0x20 [ 16.827330] [ 16.827515] Allocated by task 172: [ 16.827712] kasan_save_stack+0x3c/0x68 [ 16.827863] kasan_save_track+0x20/0x40 [ 16.827953] kasan_save_alloc_info+0x40/0x58 [ 16.828181] __kasan_kmalloc+0xd4/0xd8 [ 16.828357] __kmalloc_cache_noprof+0x16c/0x3c0 [ 16.828560] kmalloc_oob_memset_2+0xb0/0x2f8 [ 16.828600] kunit_try_run_case+0x170/0x3f0 [ 16.828636] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.828971] kthread+0x328/0x630 [ 16.829140] ret_from_fork+0x10/0x20 [ 16.829225] [ 16.829246] The buggy address belongs to the object at fff00000c652df00 [ 16.829246] which belongs to the cache kmalloc-128 of size 128 [ 16.829471] The buggy address is located 119 bytes inside of [ 16.829471] allocated 120-byte region [fff00000c652df00, fff00000c652df78) [ 16.829698] [ 16.829786] The buggy address belongs to the physical page: [ 16.829855] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10652d [ 16.829963] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.830210] page_type: f5(slab) [ 16.830308] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 16.830434] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 16.830582] page dumped because: kasan: bad access detected [ 16.830935] [ 16.831314] Memory state around the buggy address: [ 16.831382] fff00000c652de00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 16.831856] fff00000c652de80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.831946] >fff00000c652df00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 16.832105] ^ [ 16.832163] fff00000c652df80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.832219] fff00000c652e000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.832256] ==================================================================
[ 11.543559] ================================================================== [ 11.544063] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_2+0x166/0x330 [ 11.544551] Write of size 2 at addr ffff888103328677 by task kunit_try_catch/190 [ 11.544864] [ 11.544978] CPU: 1 UID: 0 PID: 190 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.545041] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.545052] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.545073] Call Trace: [ 11.545084] <TASK> [ 11.545099] dump_stack_lvl+0x73/0xb0 [ 11.545223] print_report+0xd1/0x650 [ 11.545254] ? __virt_addr_valid+0x1db/0x2d0 [ 11.545278] ? kmalloc_oob_memset_2+0x166/0x330 [ 11.545299] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.545343] ? kmalloc_oob_memset_2+0x166/0x330 [ 11.545365] kasan_report+0x141/0x180 [ 11.545386] ? kmalloc_oob_memset_2+0x166/0x330 [ 11.545411] kasan_check_range+0x10c/0x1c0 [ 11.545434] __asan_memset+0x27/0x50 [ 11.545453] kmalloc_oob_memset_2+0x166/0x330 [ 11.545474] ? __pfx_kmalloc_oob_memset_2+0x10/0x10 [ 11.545496] ? __schedule+0x10cc/0x2b60 [ 11.545517] ? __pfx_read_tsc+0x10/0x10 [ 11.545537] ? ktime_get_ts64+0x86/0x230 [ 11.545579] kunit_try_run_case+0x1a5/0x480 [ 11.545603] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.545624] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 11.545646] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.545668] ? __kthread_parkme+0x82/0x180 [ 11.545687] ? preempt_count_sub+0x50/0x80 [ 11.545709] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.545733] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.545754] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.545796] kthread+0x337/0x6f0 [ 11.545816] ? trace_preempt_on+0x20/0xc0 [ 11.545839] ? __pfx_kthread+0x10/0x10 [ 11.545859] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.545879] ? calculate_sigpending+0x7b/0xa0 [ 11.545901] ? __pfx_kthread+0x10/0x10 [ 11.545921] ret_from_fork+0x116/0x1d0 [ 11.545938] ? __pfx_kthread+0x10/0x10 [ 11.545958] ret_from_fork_asm+0x1a/0x30 [ 11.545987] </TASK> [ 11.545998] [ 11.553691] Allocated by task 190: [ 11.553848] kasan_save_stack+0x45/0x70 [ 11.553994] kasan_save_track+0x18/0x40 [ 11.554209] kasan_save_alloc_info+0x3b/0x50 [ 11.554484] __kasan_kmalloc+0xb7/0xc0 [ 11.554693] __kmalloc_cache_noprof+0x189/0x420 [ 11.554922] kmalloc_oob_memset_2+0xac/0x330 [ 11.555242] kunit_try_run_case+0x1a5/0x480 [ 11.555504] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.555684] kthread+0x337/0x6f0 [ 11.555814] ret_from_fork+0x116/0x1d0 [ 11.556022] ret_from_fork_asm+0x1a/0x30 [ 11.556309] [ 11.556456] The buggy address belongs to the object at ffff888103328600 [ 11.556456] which belongs to the cache kmalloc-128 of size 128 [ 11.557008] The buggy address is located 119 bytes inside of [ 11.557008] allocated 120-byte region [ffff888103328600, ffff888103328678) [ 11.557557] [ 11.557666] The buggy address belongs to the physical page: [ 11.557917] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103328 [ 11.558290] flags: 0x200000000000000(node=0|zone=2) [ 11.558495] page_type: f5(slab) [ 11.558638] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.558940] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.559253] page dumped because: kasan: bad access detected [ 11.559482] [ 11.559565] Memory state around the buggy address: [ 11.559774] ffff888103328500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.560061] ffff888103328580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.561557] >ffff888103328600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.561860] ^ [ 11.562557] ffff888103328680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.563039] ffff888103328700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.563611] ==================================================================