Date
July 2, 2025, 11:09 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.196174] ================================================================== [ 18.196229] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x150/0x2f8 [ 18.196288] Write of size 16 at addr fff00000c706f369 by task kunit_try_catch/178 [ 18.196336] [ 18.196367] CPU: 0 UID: 0 PID: 178 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 18.196447] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.196472] Hardware name: linux,dummy-virt (DT) [ 18.196501] Call trace: [ 18.196523] show_stack+0x20/0x38 (C) [ 18.197730] dump_stack_lvl+0x8c/0xd0 [ 18.197851] print_report+0x118/0x608 [ 18.198208] kasan_report+0xdc/0x128 [ 18.198628] kasan_check_range+0x100/0x1a8 [ 18.198698] __asan_memset+0x34/0x78 [ 18.199074] kmalloc_oob_memset_16+0x150/0x2f8 [ 18.199178] kunit_try_run_case+0x170/0x3f0 [ 18.199382] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.199677] kthread+0x328/0x630 [ 18.199886] ret_from_fork+0x10/0x20 [ 18.200199] [ 18.200246] Allocated by task 178: [ 18.200276] kasan_save_stack+0x3c/0x68 [ 18.200670] kasan_save_track+0x20/0x40 [ 18.200827] kasan_save_alloc_info+0x40/0x58 [ 18.200969] __kasan_kmalloc+0xd4/0xd8 [ 18.201247] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.201458] kmalloc_oob_memset_16+0xb0/0x2f8 [ 18.201605] kunit_try_run_case+0x170/0x3f0 [ 18.201685] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.201800] kthread+0x328/0x630 [ 18.201919] ret_from_fork+0x10/0x20 [ 18.201954] [ 18.201974] The buggy address belongs to the object at fff00000c706f300 [ 18.201974] which belongs to the cache kmalloc-128 of size 128 [ 18.202030] The buggy address is located 105 bytes inside of [ 18.202030] allocated 120-byte region [fff00000c706f300, fff00000c706f378) [ 18.202290] [ 18.202646] The buggy address belongs to the physical page: [ 18.202857] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10706f [ 18.202980] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.203029] page_type: f5(slab) [ 18.203223] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.203327] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.203495] page dumped because: kasan: bad access detected [ 18.203558] [ 18.203674] Memory state around the buggy address: [ 18.203761] fff00000c706f200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.203842] fff00000c706f280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.203967] >fff00000c706f300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.204004] ^ [ 18.204402] fff00000c706f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.204517] fff00000c706f400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.204664] ==================================================================
[ 11.544025] ================================================================== [ 11.544508] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 11.544853] Write of size 16 at addr ffff888102c8b069 by task kunit_try_catch/197 [ 11.545511] [ 11.545783] CPU: 1 UID: 0 PID: 197 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.545837] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.545849] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.545869] Call Trace: [ 11.545881] <TASK> [ 11.545900] dump_stack_lvl+0x73/0xb0 [ 11.545932] print_report+0xd1/0x650 [ 11.545956] ? __virt_addr_valid+0x1db/0x2d0 [ 11.545978] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.545999] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.546019] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.546041] kasan_report+0x141/0x180 [ 11.546062] ? kmalloc_oob_memset_16+0x166/0x330 [ 11.546087] kasan_check_range+0x10c/0x1c0 [ 11.546109] __asan_memset+0x27/0x50 [ 11.546128] kmalloc_oob_memset_16+0x166/0x330 [ 11.546148] ? __kasan_check_write+0x18/0x20 [ 11.546166] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 11.546187] ? sysvec_apic_timer_interrupt+0x50/0x90 [ 11.546210] ? trace_hardirqs_on+0x37/0xe0 [ 11.546234] ? __pfx_read_tsc+0x10/0x10 [ 11.546254] ? ktime_get_ts64+0x86/0x230 [ 11.546278] kunit_try_run_case+0x1a5/0x480 [ 11.546302] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.546324] ? queued_spin_lock_slowpath+0x116/0xb40 [ 11.546347] ? __kthread_parkme+0x82/0x180 [ 11.546367] ? preempt_count_sub+0x50/0x80 [ 11.546406] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.546428] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.546449] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.546470] kthread+0x337/0x6f0 [ 11.546489] ? trace_preempt_on+0x20/0xc0 [ 11.546509] ? __pfx_kthread+0x10/0x10 [ 11.546528] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.546548] ? calculate_sigpending+0x7b/0xa0 [ 11.546634] ? __pfx_kthread+0x10/0x10 [ 11.546658] ret_from_fork+0x116/0x1d0 [ 11.546676] ? __pfx_kthread+0x10/0x10 [ 11.546695] ret_from_fork_asm+0x1a/0x30 [ 11.546725] </TASK> [ 11.546737] [ 11.554568] Allocated by task 197: [ 11.554767] kasan_save_stack+0x45/0x70 [ 11.555149] kasan_save_track+0x18/0x40 [ 11.555342] kasan_save_alloc_info+0x3b/0x50 [ 11.555792] __kasan_kmalloc+0xb7/0xc0 [ 11.556041] __kmalloc_cache_noprof+0x189/0x420 [ 11.556231] kmalloc_oob_memset_16+0xac/0x330 [ 11.556432] kunit_try_run_case+0x1a5/0x480 [ 11.556577] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.556748] kthread+0x337/0x6f0 [ 11.556920] ret_from_fork+0x116/0x1d0 [ 11.558296] ret_from_fork_asm+0x1a/0x30 [ 11.558481] [ 11.558575] The buggy address belongs to the object at ffff888102c8b000 [ 11.558575] which belongs to the cache kmalloc-128 of size 128 [ 11.559310] The buggy address is located 105 bytes inside of [ 11.559310] allocated 120-byte region [ffff888102c8b000, ffff888102c8b078) [ 11.560174] [ 11.560280] The buggy address belongs to the physical page: [ 11.560510] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102c8b [ 11.561137] flags: 0x200000000000000(node=0|zone=2) [ 11.561431] page_type: f5(slab) [ 11.561906] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.562220] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.562786] page dumped because: kasan: bad access detected [ 11.563050] [ 11.563127] Memory state around the buggy address: [ 11.563332] ffff888102c8af00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.563966] ffff888102c8af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.564253] >ffff888102c8b000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.564575] ^ [ 11.565039] ffff888102c8b080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.565326] ffff888102c8b100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.565657] ==================================================================