Date
July 3, 2025, 11:10 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 19.710004] ================================================================== [ 19.710552] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 19.710732] Write of size 4 at addr fff00000c6345b75 by task kunit_try_catch/174 [ 19.711056] [ 19.711168] CPU: 0 UID: 0 PID: 174 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT [ 19.711400] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.711453] Hardware name: linux,dummy-virt (DT) [ 19.711518] Call trace: [ 19.711566] show_stack+0x20/0x38 (C) [ 19.711924] dump_stack_lvl+0x8c/0xd0 [ 19.712078] print_report+0x118/0x608 [ 19.712203] kasan_report+0xdc/0x128 [ 19.712365] kasan_check_range+0x100/0x1a8 [ 19.712494] __asan_memset+0x34/0x78 [ 19.712600] kmalloc_oob_memset_4+0x150/0x300 [ 19.712753] kunit_try_run_case+0x170/0x3f0 [ 19.712902] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.713014] kthread+0x328/0x630 [ 19.713120] ret_from_fork+0x10/0x20 [ 19.713220] [ 19.713271] Allocated by task 174: [ 19.713359] kasan_save_stack+0x3c/0x68 [ 19.713479] kasan_save_track+0x20/0x40 [ 19.713587] kasan_save_alloc_info+0x40/0x58 [ 19.713686] __kasan_kmalloc+0xd4/0xd8 [ 19.713751] __kmalloc_cache_noprof+0x16c/0x3c0 [ 19.713828] kmalloc_oob_memset_4+0xb0/0x300 [ 19.713904] kunit_try_run_case+0x170/0x3f0 [ 19.714370] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 19.714497] kthread+0x328/0x630 [ 19.714564] ret_from_fork+0x10/0x20 [ 19.714795] [ 19.714913] The buggy address belongs to the object at fff00000c6345b00 [ 19.714913] which belongs to the cache kmalloc-128 of size 128 [ 19.715088] The buggy address is located 117 bytes inside of [ 19.715088] allocated 120-byte region [fff00000c6345b00, fff00000c6345b78) [ 19.715261] [ 19.715326] The buggy address belongs to the physical page: [ 19.715400] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x106345 [ 19.715506] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 19.715838] page_type: f5(slab) [ 19.715928] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 19.716053] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 19.716145] page dumped because: kasan: bad access detected [ 19.716212] [ 19.716249] Memory state around the buggy address: [ 19.716317] fff00000c6345a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 19.716413] fff00000c6345a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.716670] >fff00000c6345b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 19.716772] ^ [ 19.716892] fff00000c6345b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.717439] fff00000c6345c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.717598] ==================================================================
[ 11.633292] ================================================================== [ 11.635339] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x166/0x330 [ 11.637238] Write of size 4 at addr ffff888103173d75 by task kunit_try_catch/191 [ 11.637487] [ 11.637586] CPU: 0 UID: 0 PID: 191 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc4 #1 PREEMPT(voluntary) [ 11.637632] Tainted: [B]=BAD_PAGE, [N]=TEST [ 11.637643] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 11.637664] Call Trace: [ 11.637677] <TASK> [ 11.637693] dump_stack_lvl+0x73/0xb0 [ 11.637725] print_report+0xd1/0x650 [ 11.637748] ? __virt_addr_valid+0x1db/0x2d0 [ 11.637771] ? kmalloc_oob_memset_4+0x166/0x330 [ 11.637791] ? kasan_complete_mode_report_info+0x2a/0x200 [ 11.637812] ? kmalloc_oob_memset_4+0x166/0x330 [ 11.637833] kasan_report+0x141/0x180 [ 11.637854] ? kmalloc_oob_memset_4+0x166/0x330 [ 11.637879] kasan_check_range+0x10c/0x1c0 [ 11.637901] __asan_memset+0x27/0x50 [ 11.637919] kmalloc_oob_memset_4+0x166/0x330 [ 11.637939] ? __kasan_check_write+0x18/0x20 [ 11.637957] ? __pfx_kmalloc_oob_memset_4+0x10/0x10 [ 11.637979] ? __pfx_queued_spin_lock_slowpath+0x10/0x10 [ 11.638003] ? __pfx_read_tsc+0x10/0x10 [ 11.638024] ? ktime_get_ts64+0x86/0x230 [ 11.638049] kunit_try_run_case+0x1a5/0x480 [ 11.638073] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.638094] ? _raw_spin_lock_irqsave+0xf9/0x100 [ 11.638114] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 11.638147] ? __kthread_parkme+0x82/0x180 [ 11.638168] ? preempt_count_sub+0x50/0x80 [ 11.638192] ? __pfx_kunit_try_run_case+0x10/0x10 [ 11.638215] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.638236] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 11.638258] kthread+0x337/0x6f0 [ 11.638276] ? trace_preempt_on+0x20/0xc0 [ 11.638299] ? __pfx_kthread+0x10/0x10 [ 11.638319] ? _raw_spin_unlock_irq+0x47/0x80 [ 11.638338] ? calculate_sigpending+0x7b/0xa0 [ 11.638361] ? __pfx_kthread+0x10/0x10 [ 11.638381] ret_from_fork+0x116/0x1d0 [ 11.638398] ? __pfx_kthread+0x10/0x10 [ 11.638418] ret_from_fork_asm+0x1a/0x30 [ 11.638447] </TASK> [ 11.638458] [ 11.654342] Allocated by task 191: [ 11.654797] kasan_save_stack+0x45/0x70 [ 11.655380] kasan_save_track+0x18/0x40 [ 11.655732] kasan_save_alloc_info+0x3b/0x50 [ 11.655894] __kasan_kmalloc+0xb7/0xc0 [ 11.656028] __kmalloc_cache_noprof+0x189/0x420 [ 11.656435] kmalloc_oob_memset_4+0xac/0x330 [ 11.656751] kunit_try_run_case+0x1a5/0x480 [ 11.657162] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 11.657568] kthread+0x337/0x6f0 [ 11.657734] ret_from_fork+0x116/0x1d0 [ 11.657907] ret_from_fork_asm+0x1a/0x30 [ 11.658088] [ 11.658504] The buggy address belongs to the object at ffff888103173d00 [ 11.658504] which belongs to the cache kmalloc-128 of size 128 [ 11.659247] The buggy address is located 117 bytes inside of [ 11.659247] allocated 120-byte region [ffff888103173d00, ffff888103173d78) [ 11.660051] [ 11.660318] The buggy address belongs to the physical page: [ 11.660662] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103173 [ 11.660945] flags: 0x200000000000000(node=0|zone=2) [ 11.661195] page_type: f5(slab) [ 11.661354] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 11.661650] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 11.662100] page dumped because: kasan: bad access detected [ 11.662336] [ 11.662430] Memory state around the buggy address: [ 11.662647] ffff888103173c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 11.663032] ffff888103173c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.663411] >ffff888103173d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 11.663655] ^ [ 11.663938] ffff888103173d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.664189] ffff888103173e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 11.664631] ==================================================================