Date
June 17, 2025, 3:40 p.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 21.596466] ================================================================== [ 21.596914] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x3a0/0x3f8 [ 21.597091] Write of size 16 at addr fff00000c58ac200 by task kunit_try_catch/168 [ 21.597223] [ 21.597567] CPU: 0 UID: 0 PID: 168 Comm: kunit_try_catch Tainted: G B N 6.15.3-rc1 #1 PREEMPT [ 21.598064] Tainted: [B]=BAD_PAGE, [N]=TEST [ 21.598129] Hardware name: linux,dummy-virt (DT) [ 21.598195] Call trace: [ 21.598242] show_stack+0x20/0x38 (C) [ 21.598773] dump_stack_lvl+0x8c/0xd0 [ 21.599144] print_report+0x118/0x608 [ 21.599408] kasan_report+0xdc/0x128 [ 21.599537] __asan_report_store16_noabort+0x20/0x30 [ 21.599655] kmalloc_oob_16+0x3a0/0x3f8 [ 21.599786] kunit_try_run_case+0x170/0x3f0 [ 21.599915] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.600048] kthread+0x328/0x630 [ 21.600174] ret_from_fork+0x10/0x20 [ 21.600297] [ 21.600341] Allocated by task 168: [ 21.600890] kasan_save_stack+0x3c/0x68 [ 21.601256] kasan_save_track+0x20/0x40 [ 21.601339] kasan_save_alloc_info+0x40/0x58 [ 21.601503] __kasan_kmalloc+0xd4/0xd8 [ 21.601699] __kmalloc_cache_noprof+0x16c/0x3c0 [ 21.602126] kmalloc_oob_16+0xb4/0x3f8 [ 21.602313] kunit_try_run_case+0x170/0x3f0 [ 21.602482] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 21.602815] kthread+0x328/0x630 [ 21.602906] ret_from_fork+0x10/0x20 [ 21.603312] [ 21.603378] The buggy address belongs to the object at fff00000c58ac200 [ 21.603378] which belongs to the cache kmalloc-16 of size 16 [ 21.603711] The buggy address is located 0 bytes inside of [ 21.603711] allocated 13-byte region [fff00000c58ac200, fff00000c58ac20d) [ 21.604027] [ 21.604077] The buggy address belongs to the physical page: [ 21.604169] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1058ac [ 21.604307] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 21.604432] page_type: f5(slab) [ 21.604531] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000 [ 21.604655] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 21.604769] page dumped because: kasan: bad access detected [ 21.605319] [ 21.605508] Memory state around the buggy address: [ 21.605738] fff00000c58ac100: 00 00 fc fc fa fb fc fc 00 00 fc fc fa fb fc fc [ 21.606004] fff00000c58ac180: 00 04 fc fc fa fb fc fc fa fb fc fc fa fb fc fc [ 21.606993] >fff00000c58ac200: 00 05 fc fc 00 00 fc fc fc fc fc fc fc fc fc fc [ 21.607624] ^ [ 21.607763] fff00000c58ac280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.608085] fff00000c58ac300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 21.608383] ==================================================================
[ 19.094343] ================================================================== [ 19.095950] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0 [ 19.096714] Write of size 16 at addr ffff8881026cd040 by task kunit_try_catch/186 [ 19.097715] [ 19.097960] CPU: 0 UID: 0 PID: 186 Comm: kunit_try_catch Tainted: G B N 6.15.3-rc1 #1 PREEMPT(voluntary) [ 19.098095] Tainted: [B]=BAD_PAGE, [N]=TEST [ 19.098137] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 19.098198] Call Trace: [ 19.098239] <TASK> [ 19.098305] dump_stack_lvl+0x73/0xb0 [ 19.098388] print_report+0xd1/0x650 [ 19.098462] ? __virt_addr_valid+0x1db/0x2d0 [ 19.098541] ? kmalloc_oob_16+0x452/0x4a0 [ 19.098609] ? kasan_complete_mode_report_info+0x2a/0x200 [ 19.098672] ? kmalloc_oob_16+0x452/0x4a0 [ 19.098707] kasan_report+0x141/0x180 [ 19.098741] ? kmalloc_oob_16+0x452/0x4a0 [ 19.098780] __asan_report_store16_noabort+0x1b/0x30 [ 19.098811] kmalloc_oob_16+0x452/0x4a0 [ 19.098843] ? __pfx_kmalloc_oob_16+0x10/0x10 [ 19.098877] ? __schedule+0x10cc/0x2b60 [ 19.098912] ? __pfx_read_tsc+0x10/0x10 [ 19.098945] ? ktime_get_ts64+0x86/0x230 [ 19.099030] kunit_try_run_case+0x1a5/0x480 [ 19.099400] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.099477] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 19.099552] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 19.099626] ? __kthread_parkme+0x82/0x180 [ 19.099691] ? preempt_count_sub+0x50/0x80 [ 19.099733] ? __pfx_kunit_try_run_case+0x10/0x10 [ 19.099768] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.099803] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 19.099839] kthread+0x337/0x6f0 [ 19.099863] ? trace_preempt_on+0x20/0xc0 [ 19.099912] ? __pfx_kthread+0x10/0x10 [ 19.099937] ? _raw_spin_unlock_irq+0x47/0x80 [ 19.100015] ? calculate_sigpending+0x7b/0xa0 [ 19.100096] ? __pfx_kthread+0x10/0x10 [ 19.100143] ret_from_fork+0x41/0x80 [ 19.100176] ? __pfx_kthread+0x10/0x10 [ 19.100201] ret_from_fork_asm+0x1a/0x30 [ 19.100246] </TASK> [ 19.100262] [ 19.120480] Allocated by task 186: [ 19.120799] kasan_save_stack+0x45/0x70 [ 19.121157] kasan_save_track+0x18/0x40 [ 19.121487] kasan_save_alloc_info+0x3b/0x50 [ 19.121834] __kasan_kmalloc+0xb7/0xc0 [ 19.122138] __kmalloc_cache_noprof+0x189/0x420 [ 19.124641] kmalloc_oob_16+0xa8/0x4a0 [ 19.125185] kunit_try_run_case+0x1a5/0x480 [ 19.125648] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 19.126547] kthread+0x337/0x6f0 [ 19.127133] ret_from_fork+0x41/0x80 [ 19.128105] ret_from_fork_asm+0x1a/0x30 [ 19.128757] [ 19.129024] The buggy address belongs to the object at ffff8881026cd040 [ 19.129024] which belongs to the cache kmalloc-16 of size 16 [ 19.130178] The buggy address is located 0 bytes inside of [ 19.130178] allocated 13-byte region [ffff8881026cd040, ffff8881026cd04d) [ 19.131029] [ 19.131513] The buggy address belongs to the physical page: [ 19.131951] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1026cd [ 19.133552] flags: 0x200000000000000(node=0|zone=2) [ 19.134570] page_type: f5(slab) [ 19.135093] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000 [ 19.136191] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000 [ 19.136844] page dumped because: kasan: bad access detected [ 19.137306] [ 19.137544] Memory state around the buggy address: [ 19.137979] ffff8881026ccf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.139783] ffff8881026ccf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.140824] >ffff8881026cd000: fa fb fc fc fa fb fc fc 00 05 fc fc 00 00 fc fc [ 19.141442] ^ [ 19.141914] ffff8881026cd080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.142552] ffff8881026cd100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.143085] ==================================================================