Date
July 20, 2025, 11:12 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 15.348840] ================================================================== [ 15.348924] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 15.348974] Write of size 128 at addr fff00000c3fc2a00 by task kunit_try_catch/170 [ 15.349023] [ 15.349053] CPU: 0 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT [ 15.349131] Tainted: [B]=BAD_PAGE, [N]=TEST [ 15.349178] Hardware name: linux,dummy-virt (DT) [ 15.349276] Call trace: [ 15.349326] show_stack+0x20/0x38 (C) [ 15.349373] dump_stack_lvl+0x8c/0xd0 [ 15.349419] print_report+0x118/0x5d0 [ 15.349614] kasan_report+0xdc/0x128 [ 15.349803] kasan_check_range+0x100/0x1a8 [ 15.349904] __asan_memset+0x34/0x78 [ 15.349948] kmalloc_oob_in_memset+0x144/0x2d0 [ 15.350055] kunit_try_run_case+0x170/0x3f0 [ 15.350100] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.350150] kthread+0x328/0x630 [ 15.350198] ret_from_fork+0x10/0x20 [ 15.350251] [ 15.350555] Allocated by task 170: [ 15.350592] kasan_save_stack+0x3c/0x68 [ 15.350634] kasan_save_track+0x20/0x40 [ 15.350684] kasan_save_alloc_info+0x40/0x58 [ 15.350750] __kasan_kmalloc+0xd4/0xd8 [ 15.350836] __kmalloc_cache_noprof+0x16c/0x3c0 [ 15.350878] kmalloc_oob_in_memset+0xb0/0x2d0 [ 15.350931] kunit_try_run_case+0x170/0x3f0 [ 15.350987] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 15.351031] kthread+0x328/0x630 [ 15.351095] ret_from_fork+0x10/0x20 [ 15.351217] [ 15.351297] The buggy address belongs to the object at fff00000c3fc2a00 [ 15.351297] which belongs to the cache kmalloc-128 of size 128 [ 15.351458] The buggy address is located 0 bytes inside of [ 15.351458] allocated 120-byte region [fff00000c3fc2a00, fff00000c3fc2a78) [ 15.351519] [ 15.351549] The buggy address belongs to the physical page: [ 15.351583] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103fc2 [ 15.351633] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 15.351688] page_type: f5(slab) [ 15.351725] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 15.351772] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 15.351810] page dumped because: kasan: bad access detected [ 15.351839] [ 15.352015] Memory state around the buggy address: [ 15.352125] fff00000c3fc2900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 15.352242] fff00000c3fc2980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.352420] >fff00000c3fc2a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 15.352525] ^ [ 15.352681] fff00000c3fc2a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.352729] fff00000c3fc2b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 15.352779] ==================================================================
[ 12.327118] ================================================================== [ 12.328316] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 12.329169] Write of size 128 at addr ffff88810272b600 by task kunit_try_catch/187 [ 12.330322] [ 12.330515] CPU: 1 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc6 #1 PREEMPT(voluntary) [ 12.330560] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.330571] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.330591] Call Trace: [ 12.330603] <TASK> [ 12.330619] dump_stack_lvl+0x73/0xb0 [ 12.330650] print_report+0xd1/0x610 [ 12.330881] ? __virt_addr_valid+0x1db/0x2d0 [ 12.330944] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.330965] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.331025] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.331049] kasan_report+0x141/0x180 [ 12.331109] ? kmalloc_oob_in_memset+0x15f/0x320 [ 12.331153] kasan_check_range+0x10c/0x1c0 [ 12.331175] __asan_memset+0x27/0x50 [ 12.331194] kmalloc_oob_in_memset+0x15f/0x320 [ 12.331216] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 12.331238] ? __schedule+0x10cc/0x2b60 [ 12.331261] ? __pfx_read_tsc+0x10/0x10 [ 12.331282] ? ktime_get_ts64+0x86/0x230 [ 12.331306] kunit_try_run_case+0x1a5/0x480 [ 12.331347] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.331369] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 12.331390] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.331412] ? __kthread_parkme+0x82/0x180 [ 12.331431] ? preempt_count_sub+0x50/0x80 [ 12.331454] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.331476] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.331498] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.331519] kthread+0x337/0x6f0 [ 12.331537] ? trace_preempt_on+0x20/0xc0 [ 12.331560] ? __pfx_kthread+0x10/0x10 [ 12.331579] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.331599] ? calculate_sigpending+0x7b/0xa0 [ 12.331621] ? __pfx_kthread+0x10/0x10 [ 12.331642] ret_from_fork+0x116/0x1d0 [ 12.331659] ? __pfx_kthread+0x10/0x10 [ 12.331693] ret_from_fork_asm+0x1a/0x30 [ 12.331722] </TASK> [ 12.331733] [ 12.344916] Allocated by task 187: [ 12.345110] kasan_save_stack+0x45/0x70 [ 12.345289] kasan_save_track+0x18/0x40 [ 12.345801] kasan_save_alloc_info+0x3b/0x50 [ 12.345991] __kasan_kmalloc+0xb7/0xc0 [ 12.346373] __kmalloc_cache_noprof+0x189/0x420 [ 12.346887] kmalloc_oob_in_memset+0xac/0x320 [ 12.347127] kunit_try_run_case+0x1a5/0x480 [ 12.347337] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.348034] kthread+0x337/0x6f0 [ 12.348196] ret_from_fork+0x116/0x1d0 [ 12.348524] ret_from_fork_asm+0x1a/0x30 [ 12.348890] [ 12.349118] The buggy address belongs to the object at ffff88810272b600 [ 12.349118] which belongs to the cache kmalloc-128 of size 128 [ 12.349727] The buggy address is located 0 bytes inside of [ 12.349727] allocated 120-byte region [ffff88810272b600, ffff88810272b678) [ 12.350308] [ 12.350853] The buggy address belongs to the physical page: [ 12.351116] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10272b [ 12.351661] flags: 0x200000000000000(node=0|zone=2) [ 12.352013] page_type: f5(slab) [ 12.352390] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.352758] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.353195] page dumped because: kasan: bad access detected [ 12.353598] [ 12.353822] Memory state around the buggy address: [ 12.354035] ffff88810272b500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.354636] ffff88810272b580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.354948] >ffff88810272b600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.355288] ^ [ 12.355639] ffff88810272b680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.355920] ffff88810272b700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.356397] ==================================================================