Date
May 15, 2025, 10:38 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 18.018218] ================================================================== [ 18.018677] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x144/0x2d0 [ 18.018737] Write of size 128 at addr fff00000c68f1200 by task kunit_try_catch/170 [ 18.018792] [ 18.019143] CPU: 1 UID: 0 PID: 170 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250515 #1 PREEMPT [ 18.019355] Tainted: [B]=BAD_PAGE, [N]=TEST [ 18.019456] Hardware name: linux,dummy-virt (DT) [ 18.019630] Call trace: [ 18.019710] show_stack+0x20/0x38 (C) [ 18.019825] dump_stack_lvl+0x8c/0xd0 [ 18.020046] print_report+0x118/0x608 [ 18.020130] kasan_report+0xdc/0x128 [ 18.020339] kasan_check_range+0x100/0x1a8 [ 18.020477] __asan_memset+0x34/0x78 [ 18.020606] kmalloc_oob_in_memset+0x144/0x2d0 [ 18.020755] kunit_try_run_case+0x170/0x3f0 [ 18.021089] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.021253] kthread+0x328/0x630 [ 18.021474] ret_from_fork+0x10/0x20 [ 18.021592] [ 18.021694] Allocated by task 170: [ 18.021770] kasan_save_stack+0x3c/0x68 [ 18.021811] kasan_save_track+0x20/0x40 [ 18.021853] kasan_save_alloc_info+0x40/0x58 [ 18.022172] __kasan_kmalloc+0xd4/0xd8 [ 18.022375] __kmalloc_cache_noprof+0x15c/0x3c0 [ 18.022472] kmalloc_oob_in_memset+0xb0/0x2d0 [ 18.022590] kunit_try_run_case+0x170/0x3f0 [ 18.022821] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 18.022885] kthread+0x328/0x630 [ 18.023084] ret_from_fork+0x10/0x20 [ 18.023181] [ 18.023204] The buggy address belongs to the object at fff00000c68f1200 [ 18.023204] which belongs to the cache kmalloc-128 of size 128 [ 18.023269] The buggy address is located 0 bytes inside of [ 18.023269] allocated 120-byte region [fff00000c68f1200, fff00000c68f1278) [ 18.023328] [ 18.023348] The buggy address belongs to the physical page: [ 18.023378] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1068f1 [ 18.023428] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 18.023474] page_type: f5(slab) [ 18.023521] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 18.023582] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 18.023634] page dumped because: kasan: bad access detected [ 18.023674] [ 18.023692] Memory state around the buggy address: [ 18.023724] fff00000c68f1100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 18.023764] fff00000c68f1180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.023804] >fff00000c68f1200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 18.023849] ^ [ 18.023886] fff00000c68f1280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.023927] fff00000c68f1300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 18.023963] ==================================================================
[ 14.110649] ================================================================== [ 14.111266] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_in_memset+0x15f/0x320 [ 14.112029] Write of size 128 at addr ffff8881022f9c00 by task kunit_try_catch/188 [ 14.112612] [ 14.112887] CPU: 1 UID: 0 PID: 188 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc6-next-20250515 #1 PREEMPT(voluntary) [ 14.112976] Tainted: [B]=BAD_PAGE, [N]=TEST [ 14.113309] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 14.113335] Call Trace: [ 14.113351] <TASK> [ 14.113374] dump_stack_lvl+0x73/0xb0 [ 14.113413] print_report+0xd1/0x650 [ 14.113437] ? __virt_addr_valid+0x1db/0x2d0 [ 14.113469] ? kmalloc_oob_in_memset+0x15f/0x320 [ 14.113531] ? kasan_complete_mode_report_info+0x2a/0x200 [ 14.113567] ? kmalloc_oob_in_memset+0x15f/0x320 [ 14.113619] kasan_report+0x141/0x180 [ 14.113643] ? kmalloc_oob_in_memset+0x15f/0x320 [ 14.113668] kasan_check_range+0x10c/0x1c0 [ 14.113690] __asan_memset+0x27/0x50 [ 14.113709] kmalloc_oob_in_memset+0x15f/0x320 [ 14.113730] ? __pfx_kmalloc_oob_in_memset+0x10/0x10 [ 14.113750] ? __schedule+0x10cc/0x2b60 [ 14.113772] ? __pfx_read_tsc+0x10/0x10 [ 14.113793] ? ktime_get_ts64+0x86/0x230 [ 14.113817] kunit_try_run_case+0x1a5/0x480 [ 14.113843] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.113862] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 14.113883] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 14.113903] ? __kthread_parkme+0x82/0x180 [ 14.113924] ? preempt_count_sub+0x50/0x80 [ 14.113949] ? __pfx_kunit_try_run_case+0x10/0x10 [ 14.113970] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.113990] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 14.114010] kthread+0x337/0x6f0 [ 14.114028] ? trace_preempt_on+0x20/0xc0 [ 14.114051] ? __pfx_kthread+0x10/0x10 [ 14.114070] ? _raw_spin_unlock_irq+0x47/0x80 [ 14.114089] ? calculate_sigpending+0x7b/0xa0 [ 14.114112] ? __pfx_kthread+0x10/0x10 [ 14.114132] ret_from_fork+0x116/0x1d0 [ 14.114149] ? __pfx_kthread+0x10/0x10 [ 14.114168] ret_from_fork_asm+0x1a/0x30 [ 14.114198] </TASK> [ 14.114211] [ 14.124232] Allocated by task 188: [ 14.124675] kasan_save_stack+0x45/0x70 [ 14.125067] kasan_save_track+0x18/0x40 [ 14.125277] kasan_save_alloc_info+0x3b/0x50 [ 14.125800] __kasan_kmalloc+0xb7/0xc0 [ 14.126130] __kmalloc_cache_noprof+0x189/0x420 [ 14.126450] kmalloc_oob_in_memset+0xac/0x320 [ 14.126972] kunit_try_run_case+0x1a5/0x480 [ 14.127314] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 14.127646] kthread+0x337/0x6f0 [ 14.127814] ret_from_fork+0x116/0x1d0 [ 14.128106] ret_from_fork_asm+0x1a/0x30 [ 14.128775] [ 14.128954] The buggy address belongs to the object at ffff8881022f9c00 [ 14.128954] which belongs to the cache kmalloc-128 of size 128 [ 14.129739] The buggy address is located 0 bytes inside of [ 14.129739] allocated 120-byte region [ffff8881022f9c00, ffff8881022f9c78) [ 14.130707] [ 14.130890] The buggy address belongs to the physical page: [ 14.131316] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1022f9 [ 14.131789] flags: 0x200000000000000(node=0|zone=2) [ 14.132204] page_type: f5(slab) [ 14.132717] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 14.133267] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 14.133904] page dumped because: kasan: bad access detected [ 14.134292] [ 14.134611] Memory state around the buggy address: [ 14.135002] ffff8881022f9b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 14.135399] ffff8881022f9b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.136023] >ffff8881022f9c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 14.136705] ^ [ 14.137119] ffff8881022f9c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.137402] ffff8881022f9d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 14.138019] ==================================================================