Date
March 19, 2025, 10:35 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 34.082424] ================================================================== [ 34.082613] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 34.082772] Write of size 16 at addr fff00000c5c8efc0 by task kunit_try_catch/168 [ 34.082937] [ 34.083232] CPU: 1 UID: 0 PID: 168 Comm: kunit_try_catch Tainted: G B N 6.14.0-rc7-next-20250319 #1 PREEMPT [ 34.083600] Tainted: [B]=BAD_PAGE, [N]=TEST [ 34.083681] Hardware name: linux,dummy-virt (DT) [ 34.083987] Call trace: [ 34.084406] show_stack+0x20/0x38 (C) [ 34.084668] dump_stack_lvl+0x8c/0xd0 [ 34.084914] print_report+0x118/0x5f0 [ 34.085079] kasan_report+0xc8/0x118 [ 34.085234] __asan_report_store16_noabort+0x20/0x30 [ 34.085486] kmalloc_oob_16+0x3a0/0x3f8 [ 34.085699] kunit_try_run_case+0x14c/0x3d0 [ 34.086072] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.086606] kthread+0x318/0x618 [ 34.086803] ret_from_fork+0x10/0x20 [ 34.087114] [ 34.087222] Allocated by task 168: [ 34.087806] kasan_save_stack+0x3c/0x68 [ 34.087943] kasan_save_track+0x20/0x40 [ 34.088076] kasan_save_alloc_info+0x40/0x58 [ 34.088192] __kasan_kmalloc+0xd4/0xd8 [ 34.088304] __kmalloc_cache_noprof+0x15c/0x3c0 [ 34.088442] kmalloc_oob_16+0xb4/0x3f8 [ 34.089926] kunit_try_run_case+0x14c/0x3d0 [ 34.090078] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 34.090227] kthread+0x318/0x618 [ 34.090342] ret_from_fork+0x10/0x20 [ 34.090457] [ 34.090519] The buggy address belongs to the object at fff00000c5c8efc0 [ 34.090519] which belongs to the cache kmalloc-16 of size 16 [ 34.090975] The buggy address is located 0 bytes inside of [ 34.090975] allocated 13-byte region [fff00000c5c8efc0, fff00000c5c8efcd) [ 34.091629] [ 34.092029] The buggy address belongs to the physical page: [ 34.092236] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105c8e [ 34.092522] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 34.092731] page_type: f5(slab) [ 34.092863] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 34.093027] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 34.093169] page dumped because: kasan: bad access detected [ 34.093261] [ 34.093316] Memory state around the buggy address: [ 34.093430] fff00000c5c8ee80: 00 04 fc fc fa fb fc fc 00 05 fc fc 00 05 fc fc [ 34.093572] fff00000c5c8ef00: 00 00 fc fc 00 06 fc fc 00 06 fc fc 00 00 fc fc [ 34.093712] >fff00000c5c8ef80: fa fb fc fc fa fb fc fc 00 05 fc fc 00 00 fc fc [ 34.094137] ^ [ 34.094696] fff00000c5c8f000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 34.095347] fff00000c5c8f080: fb fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb [ 34.095733] ==================================================================
[ 21.690539] ================================================================== [ 21.691258] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 21.691961] Write of size 16 at addr ffff888102551920 by task kunit_try_catch/187 [ 21.692452] [ 21.692672] CPU: 1 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G B N 6.14.0-rc7-next-20250319 #1 PREEMPT(voluntary) [ 21.692799] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.692833] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 21.692868] Call Trace: [ 21.692888] <TASK> [ 21.692909] dump_stack_lvl+0x73/0xb0 [ 21.692953] print_report+0xd1/0x660 [ 21.693003] ? __virt_addr_valid+0x1db/0x2d0 [ 21.693080] ? kasan_complete_mode_report_info+0x2a/0x200 [ 21.693223] kasan_report+0x104/0x140 [ 21.693683] ? kmalloc_oob_16+0x452/0x4a0 [ 21.693913] ? kmalloc_oob_16+0x452/0x4a0 [ 21.693997] __asan_report_store16_noabort+0x1b/0x30 [ 21.694062] kmalloc_oob_16+0x452/0x4a0 [ 21.694148] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 21.694217] ? __schedule+0xd46/0x29c0 [ 21.694279] ? __pfx_read_tsc+0x10/0x10 [ 21.694333] ? ktime_get_ts64+0x86/0x240 [ 21.694376] kunit_try_run_case+0x1b2/0x490 [ 21.694414] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.694446] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 21.694477] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 21.694508] ? __kthread_parkme+0x82/0x160 [ 21.694539] ? preempt_count_sub+0x50/0x80 [ 21.694575] ? __pfx_kunit_try_run_case+0x10/0x10 [ 21.694608] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.694641] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 21.694674] kthread+0x323/0x710 [ 21.694759] ? trace_preempt_on+0x20/0xc0 [ 21.694796] ? __pfx_kthread+0x10/0x10 [ 21.694827] ? _raw_spin_unlock_irq+0x47/0x80 [ 21.694856] ? calculate_sigpending+0x7b/0xa0 [ 21.694887] ? __pfx_kthread+0x10/0x10 [ 21.694919] ret_from_fork+0x41/0x80 [ 21.694950] ? __pfx_kthread+0x10/0x10 [ 21.694982] ret_from_fork_asm+0x1a/0x30 [ 21.695029] </TASK> [ 21.695044] [ 21.710450] Allocated by task 187: [ 21.710866] kasan_save_stack+0x3d/0x60 [ 21.711326] kasan_save_track+0x18/0x40 [ 21.711977] kasan_save_alloc_info+0x3b/0x50 [ 21.712461] __kasan_kmalloc+0xb7/0xc0 [ 21.713316] __kmalloc_cache_noprof+0x183/0x410 [ 21.713990] kmalloc_oob_16+0xa8/0x4a0 [ 21.714431] kunit_try_run_case+0x1b2/0x490 [ 21.715066] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 21.715497] kthread+0x323/0x710 [ 21.716047] ret_from_fork+0x41/0x80 [ 21.716472] ret_from_fork_asm+0x1a/0x30 [ 21.717349] [ 21.717564] The buggy address belongs to the object at ffff888102551920 [ 21.717564] which belongs to the cache kmalloc-16 of size 16 [ 21.718528] The buggy address is located 0 bytes inside of [ 21.718528] allocated 13-byte region [ffff888102551920, ffff88810255192d) [ 21.719965] [ 21.720215] The buggy address belongs to the physical page: [ 21.720562] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102551 [ 21.721874] flags: 0x200000000000000(node=0|zone=2) [ 21.722258] page_type: f5(slab) [ 21.722617] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 21.723338] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 21.723971] page dumped because: kasan: bad access detected [ 21.724444] [ 21.724666] Memory state around the buggy address: [ 21.725577] ffff888102551800: 00 04 fc fc 00 01 fc fc 00 01 fc fc 00 04 fc fc [ 21.726419] ffff888102551880: 00 04 fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 21.727074] >ffff888102551900: 00 05 fc fc 00 05 fc fc 00 00 fc fc fc fc fc fc [ 21.727739] ^ [ 21.730982] ffff888102551980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.731361] ffff888102551a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.732790] ==================================================================