Date
June 2, 2025, 2:13 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.811416] ================================================================== [ 18.812008] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300 [ 18.812365] Write of size 4 at addr fff00000c3e3ef75 by task kunit_try_catch/164 [ 18.812677] [ 18.812821] CPU: 0 UID: 0 PID: 164 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 18.812912] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.812942] Hardware name: linux,dummy-virt (DT) [ 18.812976] Call trace: [ 18.813001] show_stack+0x20/0x38 (C) [ 18.813056] dump_stack_lvl+0x8c/0xd0 [ 18.813106] print_report+0x118/0x608 [ 18.814378] kasan_report+0xdc/0x128 [ 18.814479] kasan_check_range+0x100/0x1a8 [ 18.814531] __asan_memset+0x34/0x78 [ 18.814578] kmalloc_oob_memset_4+0x150/0x300 [ 18.814629] kunit_try_run_case+0x170/0x3f0 [ 18.814683] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.814737] kthread+0x318/0x620 [ 18.814785] ret_from_fork+0x10/0x20 [ 18.814840] [ 18.821667] Allocated by task 164: [ 18.822147] kasan_save_stack+0x3c/0x68 [ 18.822872] kasan_save_track+0x20/0x40 [ 18.823828] kasan_save_alloc_info+0x40/0x58 [ 18.824259] __kasan_kmalloc+0xd4/0xd8 [ 18.824742] __kmalloc_cache_noprof+0x16c/0x3c0 [ 18.825121] kmalloc_oob_memset_4+0xb0/0x300 [ 18.825529] kunit_try_run_case+0x170/0x3f0 [ 18.825897] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.826894] kthread+0x318/0x620 [ 18.827413] ret_from_fork+0x10/0x20 [ 18.827826] [ 18.828178] The buggy address belongs to the object at fff00000c3e3ef00 [ 18.828178] which belongs to the cache kmalloc-128 of size 128 [ 18.829070] The buggy address is located 117 bytes inside of [ 18.829070] allocated 120-byte region [fff00000c3e3ef00, fff00000c3e3ef78) [ 18.829987] [ 18.831020] The buggy address belongs to the physical page: [ 18.831322] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103e3e [ 18.832101] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.832620] page_type: f5(slab) [ 18.833050] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.833750] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.834515] page dumped because: kasan: bad access detected [ 18.835410] [ 18.835814] Memory state around the buggy address: [ 18.836454] fff00000c3e3ee00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.837005] fff00000c3e3ee80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.837597] >fff00000c3e3ef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.838115] ^ [ 18.839596] fff00000c3e3ef80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.840336] fff00000c3e3f000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 18.841019] ==================================================================
[ 12.800402] ================================================================== [ 12.800988] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x167/0x330 [ 12.801346] Write of size 4 at addr ffff888102a2c175 by task kunit_try_catch/182 [ 12.802122] [ 12.802387] CPU: 0 UID: 0 PID: 182 Comm: kunit_try_catch Tainted: G B N 6.14.10-rc1 #1 [ 12.802437] Tainted: [B]=BAD_PAGE, [N]=TEST [ 12.802449] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 12.802470] Call Trace: [ 12.802483] <TASK> [ 12.802500] dump_stack_lvl+0x73/0xb0 [ 12.802533] print_report+0xd1/0x650 [ 12.802557] ? __virt_addr_valid+0x1db/0x2d0 [ 12.802583] ? kmalloc_oob_memset_4+0x167/0x330 [ 12.802606] ? kasan_complete_mode_report_info+0x2a/0x200 [ 12.802634] ? kmalloc_oob_memset_4+0x167/0x330 [ 12.802658] kasan_report+0x140/0x180 [ 12.802683] ? kmalloc_oob_memset_4+0x167/0x330 [ 12.802710] kasan_check_range+0x10c/0x1c0 [ 12.802735] __asan_memset+0x27/0x50 [ 12.802761] kmalloc_oob_memset_4+0x167/0x330 [ 12.802784] ? __pfx_kmalloc_oob_memset_4+0x10/0x10 [ 12.802809] ? __schedule+0xce8/0x2840 [ 12.802836] ? __pfx_read_tsc+0x10/0x10 [ 12.802860] ? ktime_get_ts64+0x86/0x230 [ 12.802889] kunit_try_run_case+0x1a6/0x480 [ 12.802915] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.802938] ? _raw_spin_lock_irqsave+0xa2/0x110 [ 12.802964] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 12.802989] ? __kthread_parkme+0x82/0x160 [ 12.803014] ? preempt_count_sub+0x50/0x80 [ 12.803054] ? __pfx_kunit_try_run_case+0x10/0x10 [ 12.803081] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.803109] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 12.803137] kthread+0x324/0x6e0 [ 12.803160] ? trace_preempt_on+0x20/0xc0 [ 12.803187] ? __pfx_kthread+0x10/0x10 [ 12.803212] ? _raw_spin_unlock_irq+0x47/0x80 [ 12.803237] ? calculate_sigpending+0x7b/0xa0 [ 12.803261] ? __pfx_kthread+0x10/0x10 [ 12.803286] ret_from_fork+0x41/0x80 [ 12.803306] ? __pfx_kthread+0x10/0x10 [ 12.803330] ret_from_fork_asm+0x1a/0x30 [ 12.803365] </TASK> [ 12.803374] [ 12.814035] Allocated by task 182: [ 12.814390] kasan_save_stack+0x45/0x70 [ 12.814725] kasan_save_track+0x18/0x40 [ 12.815079] kasan_save_alloc_info+0x3b/0x50 [ 12.815393] __kasan_kmalloc+0xb7/0xc0 [ 12.815617] __kmalloc_cache_noprof+0x18a/0x420 [ 12.815911] kmalloc_oob_memset_4+0xad/0x330 [ 12.816103] kunit_try_run_case+0x1a6/0x480 [ 12.816317] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 12.816557] kthread+0x324/0x6e0 [ 12.816747] ret_from_fork+0x41/0x80 [ 12.816902] ret_from_fork_asm+0x1a/0x30 [ 12.817543] [ 12.817669] The buggy address belongs to the object at ffff888102a2c100 [ 12.817669] which belongs to the cache kmalloc-128 of size 128 [ 12.818760] The buggy address is located 117 bytes inside of [ 12.818760] allocated 120-byte region [ffff888102a2c100, ffff888102a2c178) [ 12.819738] [ 12.819854] The buggy address belongs to the physical page: [ 12.820120] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a2c [ 12.820455] flags: 0x200000000000000(node=0|zone=2) [ 12.821147] page_type: f5(slab) [ 12.821523] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 12.822216] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 12.822447] page dumped because: kasan: bad access detected [ 12.822932] [ 12.823243] Memory state around the buggy address: [ 12.823882] ffff888102a2c000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 12.824951] ffff888102a2c080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.825479] >ffff888102a2c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 12.826055] ^ [ 12.826813] ffff888102a2c180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.827370] ffff888102a2c200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 12.827720] ==================================================================