Date
July 23, 2025, 2:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 16.007546] ================================================================== [ 16.008295] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x344/0x430 [ 16.008362] Read of size 1 at addr fff00000c3f9a0c8 by task kunit_try_catch/207 [ 16.008416] [ 16.008451] CPU: 1 UID: 0 PID: 207 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT [ 16.008535] Tainted: [B]=BAD_PAGE, [N]=TEST [ 16.008562] Hardware name: linux,dummy-virt (DT) [ 16.008595] Call trace: [ 16.008618] show_stack+0x20/0x38 (C) [ 16.009230] dump_stack_lvl+0x8c/0xd0 [ 16.009281] print_report+0x118/0x5d0 [ 16.009329] kasan_report+0xdc/0x128 [ 16.009376] __asan_report_load1_noabort+0x20/0x30 [ 16.009427] kmem_cache_oob+0x344/0x430 [ 16.009471] kunit_try_run_case+0x170/0x3f0 [ 16.009520] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.009572] kthread+0x328/0x630 [ 16.009614] ret_from_fork+0x10/0x20 [ 16.009663] [ 16.009681] Allocated by task 207: [ 16.009711] kasan_save_stack+0x3c/0x68 [ 16.009751] kasan_save_track+0x20/0x40 [ 16.009789] kasan_save_alloc_info+0x40/0x58 [ 16.009827] __kasan_slab_alloc+0xa8/0xb0 [ 16.009876] kmem_cache_alloc_noprof+0x10c/0x398 [ 16.009916] kmem_cache_oob+0x12c/0x430 [ 16.009952] kunit_try_run_case+0x170/0x3f0 [ 16.009990] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 16.010032] kthread+0x328/0x630 [ 16.010064] ret_from_fork+0x10/0x20 [ 16.010099] [ 16.010117] The buggy address belongs to the object at fff00000c3f9a000 [ 16.010117] which belongs to the cache test_cache of size 200 [ 16.010177] The buggy address is located 0 bytes to the right of [ 16.010177] allocated 200-byte region [fff00000c3f9a000, fff00000c3f9a0c8) [ 16.010243] [ 16.010264] The buggy address belongs to the physical page: [ 16.010294] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103f9a [ 16.010351] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 16.010402] page_type: f5(slab) [ 16.010446] raw: 0bfffe0000000000 fff00000c3f17140 dead000000000122 0000000000000000 [ 16.010497] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 16.010538] page dumped because: kasan: bad access detected [ 16.011141] [ 16.011257] Memory state around the buggy address: [ 16.011314] fff00000c3f99f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.011518] fff00000c3f9a000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 16.011568] >fff00000c3f9a080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 16.011609] ^ [ 16.011655] fff00000c3f9a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.011700] fff00000c3f9a180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 16.011738] ==================================================================
[ 13.240100] ================================================================== [ 13.240632] BUG: KASAN: slab-out-of-bounds in kmem_cache_oob+0x402/0x530 [ 13.240957] Read of size 1 at addr ffff8881025d70c8 by task kunit_try_catch/224 [ 13.241506] [ 13.241603] CPU: 1 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7 #1 PREEMPT(voluntary) [ 13.241649] Tainted: [B]=BAD_PAGE, [N]=TEST [ 13.241687] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 13.241709] Call Trace: [ 13.241721] <TASK> [ 13.241737] dump_stack_lvl+0x73/0xb0 [ 13.241769] print_report+0xd1/0x610 [ 13.241792] ? __virt_addr_valid+0x1db/0x2d0 [ 13.241827] ? kmem_cache_oob+0x402/0x530 [ 13.241849] ? kasan_complete_mode_report_info+0x2a/0x200 [ 13.241871] ? kmem_cache_oob+0x402/0x530 [ 13.241893] kasan_report+0x141/0x180 [ 13.241914] ? kmem_cache_oob+0x402/0x530 [ 13.241960] __asan_report_load1_noabort+0x18/0x20 [ 13.241983] kmem_cache_oob+0x402/0x530 [ 13.242004] ? trace_hardirqs_on+0x37/0xe0 [ 13.242027] ? __pfx_kmem_cache_oob+0x10/0x10 [ 13.242050] ? __kasan_check_write+0x18/0x20 [ 13.242068] ? queued_spin_lock_slowpath+0x116/0xb40 [ 13.242097] ? __pfx_read_tsc+0x10/0x10 [ 13.242117] ? ktime_get_ts64+0x86/0x230 [ 13.242141] kunit_try_run_case+0x1a5/0x480 [ 13.242166] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.242188] ? _raw_spin_lock_irqsave+0xf9/0x100 [ 13.242222] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 13.242245] ? __kthread_parkme+0x82/0x180 [ 13.242265] ? preempt_count_sub+0x50/0x80 [ 13.242288] ? __pfx_kunit_try_run_case+0x10/0x10 [ 13.242311] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.242333] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 13.242356] kthread+0x337/0x6f0 [ 13.242375] ? trace_preempt_on+0x20/0xc0 [ 13.242396] ? __pfx_kthread+0x10/0x10 [ 13.242415] ? _raw_spin_unlock_irq+0x47/0x80 [ 13.242436] ? calculate_sigpending+0x7b/0xa0 [ 13.242460] ? __pfx_kthread+0x10/0x10 [ 13.242480] ret_from_fork+0x116/0x1d0 [ 13.242498] ? __pfx_kthread+0x10/0x10 [ 13.242518] ret_from_fork_asm+0x1a/0x30 [ 13.242547] </TASK> [ 13.242558] [ 13.251052] Allocated by task 224: [ 13.251413] kasan_save_stack+0x45/0x70 [ 13.251563] kasan_save_track+0x18/0x40 [ 13.251698] kasan_save_alloc_info+0x3b/0x50 [ 13.251870] __kasan_slab_alloc+0x91/0xa0 [ 13.252065] kmem_cache_alloc_noprof+0x123/0x3f0 [ 13.252299] kmem_cache_oob+0x157/0x530 [ 13.252476] kunit_try_run_case+0x1a5/0x480 [ 13.252859] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 13.253130] kthread+0x337/0x6f0 [ 13.253303] ret_from_fork+0x116/0x1d0 [ 13.253431] ret_from_fork_asm+0x1a/0x30 [ 13.253565] [ 13.253636] The buggy address belongs to the object at ffff8881025d7000 [ 13.253636] which belongs to the cache test_cache of size 200 [ 13.254234] The buggy address is located 0 bytes to the right of [ 13.254234] allocated 200-byte region [ffff8881025d7000, ffff8881025d70c8) [ 13.254882] [ 13.255042] The buggy address belongs to the physical page: [ 13.255548] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1025d7 [ 13.256178] flags: 0x200000000000000(node=0|zone=2) [ 13.256526] page_type: f5(slab) [ 13.256655] raw: 0200000000000000 ffff8881025d4000 dead000000000122 0000000000000000 [ 13.256902] raw: 0000000000000000 00000000800f000f 00000000f5000000 0000000000000000 [ 13.257462] page dumped because: kasan: bad access detected [ 13.257715] [ 13.257797] Memory state around the buggy address: [ 13.258032] ffff8881025d6f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.258385] ffff8881025d7000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 13.258722] >ffff8881025d7080: 00 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc [ 13.259055] ^ [ 13.259549] ffff8881025d7100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.260018] ffff8881025d7180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 13.261155] ==================================================================