Date
May 12, 2025, 6:12 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.735932] ================================================================== [ 18.736647] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 18.737669] Write of size 4 at addr fff00000c5a05275 by task kunit_try_catch/163 [ 18.738176] [ 18.738828] CPU: 0 UID: 0 PID: 163 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 18.739041] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.739133] Hardware name: linux,dummy-virt (DT) [ 18.739215] Call trace: [ 18.739275] show_stack+0x20/0x38 (C) [ 18.739372] dump_stack_lvl+0x8c/0xd0 [ 18.739428] print_report+0x118/0x608 [ 18.739480] kasan_report+0xdc/0x128 [ 18.739530] kasan_check_range+0x100/0x1a8 [ 18.739582] __asan_memset+0x34/0x78 [ 18.739630] kmalloc_oob_memset_4+0x150/0x300 [ 18.739680] kunit_try_run_case+0x170/0x3f0 [ 18.739733] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.739809] kthread+0x318/0x620 [ 18.739859] ret_from_fork+0x10/0x20 [ 18.739915] [ 18.744553] Allocated by task 163: [ 18.745031] kasan_save_stack+0x3c/0x68 [ 18.745553] kasan_save_track+0x20/0x40 [ 18.746025] kasan_save_alloc_info+0x40/0x58 [ 18.746450] __kasan_kmalloc+0xd4/0xd8 [ 18.746977] __kmalloc_cache_noprof+0x15c/0x3c0 [ 18.747405] kmalloc_oob_memset_4+0xb0/0x300 [ 18.747957] kunit_try_run_case+0x170/0x3f0 [ 18.748410] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.749007] kthread+0x318/0x620 [ 18.749366] ret_from_fork+0x10/0x20 [ 18.749712] [ 18.749961] The buggy address belongs to the object at fff00000c5a05200 [ 18.749961] which belongs to the cache kmalloc-128 of size 128 [ 18.751337] The buggy address is located 117 bytes inside of [ 18.751337] allocated 120-byte region [fff00000c5a05200, fff00000c5a05278) [ 18.752255] [ 18.752572] The buggy address belongs to the physical page: [ 18.753128] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105a05 [ 18.753786] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.754405] page_type: f5(slab) [ 18.754771] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.755449] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.756069] page dumped because: kasan: bad access detected [ 18.756530] [ 18.756794] Memory state around the buggy address: [ 18.757286] fff00000c5a05100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.757889] fff00000c5a05180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.758498] >fff00000c5a05200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.759088] ^ [ 18.759661] fff00000c5a05280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.760249] fff00000c5a05300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.760812] ==================================================================
[ 12.515711] ================================================================== [ 12.516223] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x167/0x330 [ 12.517170] Write of size 4 at addr ffff888101b0eb75 by task kunit_try_catch/182 [ 12.518175] [ 12.518277] CPU: 1 UID: 0 PID: 182 Comm: kunit_try_catch Tainted: G B N 6.14.7-rc1 #1 [ 12.518326] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.518383] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.518405] Call Trace: [ 12.518420] <TASK> [ 12.518467] dump_stack_lvl+0x73/0xb0 [ 12.518498] print_report+0xd1/0x650 [ 12.518675] ? __virt_addr_valid+0x1db/0x2d0 [ 12.518705] ? kmalloc_oob_memset_4+0x167/0x330 [ 12.518727] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.518753] ? kmalloc_oob_memset_4+0x167/0x330 [ 12.518775] kasan_report+0x140/0x180 [ 12.518797] ? kmalloc_oob_memset_4+0x167/0x330 [ 12.518822] kasan_check_range+0x10c/0x1c0 [ 12.518857] __asan_memset+0x27/0x50 [ 12.518882] kmalloc_oob_memset_4+0x167/0x330 [ 12.518904] ? __pfx_kmalloc_oob_memset_4+0x10/0x10 [ 12.518926] ? __schedule+0xce8/0x2840 [ 12.518950] ? __pfx_read_tsc+0x10/0x10 [ 12.518972] ? ktime_get_ts64+0x86/0x230 [ 12.519272] kunit_try_run_case+0x1a6/0x480 [ 12.519312] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.519335] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 12.519356] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.519381] ? __kthread_parkme+0x82/0x160 [ 12.519404] ? preempt_count_sub+0x50/0x80 [ 12.519429] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.519451] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.519476] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.519501] kthread+0x324/0x6e0 [ 12.519522] ? trace_preempt_on+0x20/0xc0 [ 12.519546] ? __pfx_kthread+0x10/0x10 [ 12.519567] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.519589] ? calculate_sigpending+0x7b/0xa0 [ 12.519611] ? __pfx_kthread+0x10/0x10 [ 12.519633] ret_from_fork+0x41/0x80 [ 12.519652] ? __pfx_kthread+0x10/0x10 [ 12.519673] ret_from_fork_asm+0x1a/0x30 [ 12.519704] </TASK> [ 12.519716] [ 12.530775] Allocated by task 182: [ 12.530996] kasan_save_stack+0x45/0x70 [ 12.531833] kasan_save_track+0x18/0x40 [ 12.532032] kasan_save_alloc_info+0x3b/0x50 [ 12.532209] __kasan_kmalloc+0xb7/0xc0 [ 12.532405] __kmalloc_cache_noprof+0x18a/0x420 [ 12.532621] kmalloc_oob_memset_4+0xad/0x330 [ 12.532821] kunit_try_run_case+0x1a6/0x480 [ 12.533035] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.533723] kthread+0x324/0x6e0 [ 12.533901] ret_from_fork+0x41/0x80 [ 12.534303] ret_from_fork_asm+0x1a/0x30 [ 12.534500] [ 12.534749] The buggy address belongs to the object at ffff888101b0eb00 [ 12.534749] which belongs to the cache kmalloc-128 of size 128 [ 12.535608] The buggy address is located 117 bytes inside of [ 12.535608] allocated 120-byte region [ffff888101b0eb00, ffff888101b0eb78) [ 12.536516] [ 12.536619] The buggy address belongs to the physical page: [ 12.536854] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101b0e [ 12.537504] flags: 0x200000000000000(node=0|zone=2) [ 12.537693] page_type: f5(slab) [ 12.537973] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.538410] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.538738] page dumped because: kasan: bad access detected [ 12.538988] [ 12.539067] Memory state around the buggy address: [ 12.539888] ffff888101b0ea00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.540330] ffff888101b0ea80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.540597] >ffff888101b0eb00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.540931] ^ [ 12.541591] ffff888101b0eb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.542012] ffff888101b0ec00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.542464] ==================================================================