Date
April 20, 2025, 11:09 p.m.
| Environment | |
|---|---|
| x15 | |
| x86 |
[ 55.226196] ================================================================== [ 55.237579] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x1b0/0x35c [ 55.244964] Write of size 16 at addr cc228d69 by task kunit_try_catch/234 [ 55.251800] [ 55.253295] CPU: 1 UID: 0 PID: 234 Comm: kunit_try_catch Tainted: G B W N 6.15.0-rc3 #1 NONE [ 55.253326] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST [ 55.253326] Hardware name: Generic DRA74X (Flattened Device Tree) [ 55.253356] Call trace: [ 55.253356] unwind_backtrace from show_stack+0x18/0x1c [ 55.253387] show_stack from dump_stack_lvl+0x70/0x90 [ 55.253417] dump_stack_lvl from print_report+0x158/0x528 [ 55.253417] print_report from kasan_report+0xdc/0x118 [ 55.253448] kasan_report from kasan_check_range+0x14c/0x198 [ 55.253479] kasan_check_range from __asan_memset+0x20/0x3c [ 55.253479] __asan_memset from kmalloc_oob_memset_16+0x1b0/0x35c [ 55.253509] kmalloc_oob_memset_16 from kunit_try_run_case+0x22c/0x5a8 [ 55.253540] kunit_try_run_case from kunit_generic_run_threadfn_adapter+0xc4/0x128 [ 55.253570] kunit_generic_run_threadfn_adapter from kthread+0x464/0x810 [ 55.253601] kthread from ret_from_fork+0x14/0x20 [ 55.253601] Exception stack(0xf246bfb0 to 0xf246bff8) [ 55.253631] bfa0: 00000000 00000000 00000000 00000000 [ 55.253631] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 55.253662] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 55.253662] [ 55.370605] Allocated by task 234: [ 55.374023] kasan_save_track+0x30/0x5c [ 55.377899] __kasan_kmalloc+0x8c/0x94 [ 55.381683] kmalloc_oob_memset_16+0xcc/0x35c [ 55.386047] kunit_try_run_case+0x22c/0x5a8 [ 55.390289] kunit_generic_run_threadfn_adapter+0xc4/0x128 [ 55.395812] kthread+0x464/0x810 [ 55.399047] ret_from_fork+0x14/0x20 [ 55.402679] [ 55.404174] The buggy address belongs to the object at cc228d00 [ 55.404174] which belongs to the cache kmalloc-128 of size 128 [ 55.416076] The buggy address is located 105 bytes inside of [ 55.416076] allocated 120-byte region [cc228d00, cc228d78) [ 55.427337] [ 55.428863] The buggy address belongs to the physical page: [ 55.434448] page: refcount:0 mapcount:0 mapping:00000000 index:0x0 pfn:0x8c228 [ 55.441741] flags: 0x0(zone=0) [ 55.444824] page_type: f5(slab) [ 55.447998] raw: 00000000 c7001400 00000122 00000000 00000000 80100010 f5000000 00000000 [ 55.456115] raw: 00000000 [ 55.458770] page dumped because: kasan: bad access detected [ 55.464355] [ 55.465881] Memory state around the buggy address: [ 55.470703] cc228c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 55.477264] cc228c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.483825] >cc228d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 55.490417] ^ [ 55.496887] cc228d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.503479] cc228e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 55.510040] ==================================================================
[ 25.916056] ================================================================== [ 25.927389] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_16+0x166/0x330 [ 25.934703] Write of size 16 at addr ffff888107f05269 by task kunit_try_catch/221 [ 25.942207] [ 25.943720] CPU: 1 UID: 0 PID: 221 Comm: kunit_try_catch Tainted: G B N 6.15.0-rc3 #1 PREEMPT(voluntary) [ 25.943728] Tainted: [B]=BAD_PAGE, [N]=TEST [ 25.943730] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.7 12/07/2021 [ 25.943734] Call Trace: [ 25.943735] <TASK> [ 25.943737] dump_stack_lvl+0x73/0xb0 [ 25.943740] print_report+0xd1/0x650 [ 25.943745] ? __virt_addr_valid+0x1db/0x2d0 [ 25.943748] ? kmalloc_oob_memset_16+0x166/0x330 [ 25.943752] ? kasan_complete_mode_report_info+0x2a/0x200 [ 25.943756] ? kmalloc_oob_memset_16+0x166/0x330 [ 25.943760] kasan_report+0x141/0x180 [ 25.943765] ? kmalloc_oob_memset_16+0x166/0x330 [ 25.943770] kasan_check_range+0x10c/0x1c0 [ 25.943774] __asan_memset+0x27/0x50 [ 25.943778] kmalloc_oob_memset_16+0x166/0x330 [ 25.943782] ? __pfx_kmalloc_oob_memset_16+0x10/0x10 [ 25.943786] ? __schedule+0x10cc/0x2b30 [ 25.943791] ? ktime_get_ts64+0x83/0x230 [ 25.943795] kunit_try_run_case+0x1a2/0x480 [ 25.943799] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.943803] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 25.943808] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 25.943812] ? __kthread_parkme+0x82/0x180 [ 25.943816] ? preempt_count_sub+0x50/0x80 [ 25.943821] ? __pfx_kunit_try_run_case+0x10/0x10 [ 25.943825] kunit_generic_run_threadfn_adapter+0x82/0xf0 [ 25.943829] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 25.943833] kthread+0x334/0x6f0 [ 25.943837] ? trace_preempt_on+0x20/0xc0 [ 25.943841] ? __pfx_kthread+0x10/0x10 [ 25.943845] ? _raw_spin_unlock_irq+0x47/0x80 [ 25.943849] ? calculate_sigpending+0x7b/0xa0 [ 25.943853] ? __pfx_kthread+0x10/0x10 [ 25.943857] ret_from_fork+0x3e/0x80 [ 25.943861] ? __pfx_kthread+0x10/0x10 [ 25.943865] ret_from_fork_asm+0x1a/0x30 [ 25.943871] </TASK> [ 25.943872] [ 26.111241] Allocated by task 221: [ 26.114648] kasan_save_stack+0x45/0x70 [ 26.118486] kasan_save_track+0x18/0x40 [ 26.122325] kasan_save_alloc_info+0x3b/0x50 [ 26.126598] __kasan_kmalloc+0xb7/0xc0 [ 26.130352] __kmalloc_cache_noprof+0x189/0x420 [ 26.134884] kmalloc_oob_memset_16+0xac/0x330 [ 26.139242] kunit_try_run_case+0x1a2/0x480 [ 26.143428] kunit_generic_run_threadfn_adapter+0x82/0xf0 [ 26.148827] kthread+0x334/0x6f0 [ 26.152060] ret_from_fork+0x3e/0x80 [ 26.155639] ret_from_fork_asm+0x1a/0x30 [ 26.159565] [ 26.161063] The buggy address belongs to the object at ffff888107f05200 [ 26.161063] which belongs to the cache kmalloc-128 of size 128 [ 26.173571] The buggy address is located 105 bytes inside of [ 26.173571] allocated 120-byte region [ffff888107f05200, ffff888107f05278) [ 26.186171] [ 26.187687] The buggy address belongs to the physical page: [ 26.193268] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x107f05 [ 26.201269] flags: 0x200000000000000(node=0|zone=2) [ 26.206147] page_type: f5(slab) [ 26.209293] raw: 0200000000000000 ffff888100042a00 dead000000000122 0000000000000000 [ 26.217040] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 26.224780] page dumped because: kasan: bad access detected [ 26.230351] [ 26.231851] Memory state around the buggy address: [ 26.236642] ffff888107f05100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 26.243863] ffff888107f05180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.251083] >ffff888107f05200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 26.258301] ^ [ 26.265433] ffff888107f05280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.272652] ffff888107f05300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.279905] ==================================================================