Date
July 8, 2025, 11:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 30.890889] ================================================================== [ 30.890936] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x418/0x488 [ 30.893442] Write of size 1 at addr fff00000c9a9c178 by task kunit_try_catch/173 [ 30.893544] [ 30.893862] CPU: 0 UID: 0 PID: 173 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250708 #1 PREEMPT [ 30.894261] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.894322] Hardware name: linux,dummy-virt (DT) [ 30.894382] Call trace: [ 30.894432] show_stack+0x20/0x38 (C) [ 30.894594] dump_stack_lvl+0x8c/0xd0 [ 30.894678] print_report+0x118/0x5d0 [ 30.895057] kasan_report+0xdc/0x128 [ 30.895150] __asan_report_store1_noabort+0x20/0x30 [ 30.895306] kmalloc_track_caller_oob_right+0x418/0x488 [ 30.895407] kunit_try_run_case+0x170/0x3f0 [ 30.895547] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.895813] kthread+0x328/0x630 [ 30.895868] ret_from_fork+0x10/0x20 [ 30.896063] [ 30.896103] Allocated by task 173: [ 30.896166] kasan_save_stack+0x3c/0x68 [ 30.896260] kasan_save_track+0x20/0x40 [ 30.896323] kasan_save_alloc_info+0x40/0x58 [ 30.896440] __kasan_kmalloc+0xd4/0xd8 [ 30.896501] __kmalloc_node_track_caller_noprof+0x194/0x4b8 [ 30.896545] kmalloc_track_caller_oob_right+0x184/0x488 [ 30.896593] kunit_try_run_case+0x170/0x3f0 [ 30.896650] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.896717] kthread+0x328/0x630 [ 30.896827] ret_from_fork+0x10/0x20 [ 30.896888] [ 30.896930] The buggy address belongs to the object at fff00000c9a9c100 [ 30.896930] which belongs to the cache kmalloc-128 of size 128 [ 30.897025] The buggy address is located 0 bytes to the right of [ 30.897025] allocated 120-byte region [fff00000c9a9c100, fff00000c9a9c178) [ 30.897088] [ 30.897119] The buggy address belongs to the physical page: [ 30.897152] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109a9c [ 30.897202] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.897257] page_type: f5(slab) [ 30.897294] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 30.897343] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.897381] page dumped because: kasan: bad access detected [ 30.897411] [ 30.897428] Memory state around the buggy address: [ 30.897458] fff00000c9a9c000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.897603] fff00000c9a9c080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.897647] >fff00000c9a9c100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.897736] ^ [ 30.897806] fff00000c9a9c180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.897854] fff00000c9a9c200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.897954] ================================================================== [ 30.881002] ================================================================== [ 30.881192] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x40c/0x488 [ 30.881323] Write of size 1 at addr fff00000c9a9c078 by task kunit_try_catch/173 [ 30.881440] [ 30.881472] CPU: 0 UID: 0 PID: 173 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250708 #1 PREEMPT [ 30.881557] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.881583] Hardware name: linux,dummy-virt (DT) [ 30.881614] Call trace: [ 30.881644] show_stack+0x20/0x38 (C) [ 30.881747] dump_stack_lvl+0x8c/0xd0 [ 30.881886] print_report+0x118/0x5d0 [ 30.881934] kasan_report+0xdc/0x128 [ 30.881980] __asan_report_store1_noabort+0x20/0x30 [ 30.882028] kmalloc_track_caller_oob_right+0x40c/0x488 [ 30.882084] kunit_try_run_case+0x170/0x3f0 [ 30.882292] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.882346] kthread+0x328/0x630 [ 30.882387] ret_from_fork+0x10/0x20 [ 30.882434] [ 30.882453] Allocated by task 173: [ 30.882479] kasan_save_stack+0x3c/0x68 [ 30.882519] kasan_save_track+0x20/0x40 [ 30.882560] kasan_save_alloc_info+0x40/0x58 [ 30.882599] __kasan_kmalloc+0xd4/0xd8 [ 30.882635] __kmalloc_node_track_caller_noprof+0x194/0x4b8 [ 30.882678] kmalloc_track_caller_oob_right+0xa8/0x488 [ 30.882719] kunit_try_run_case+0x170/0x3f0 [ 30.882756] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.882798] kthread+0x328/0x630 [ 30.882829] ret_from_fork+0x10/0x20 [ 30.882864] [ 30.882882] The buggy address belongs to the object at fff00000c9a9c000 [ 30.882882] which belongs to the cache kmalloc-128 of size 128 [ 30.882937] The buggy address is located 0 bytes to the right of [ 30.882937] allocated 120-byte region [fff00000c9a9c000, fff00000c9a9c078) [ 30.882997] [ 30.883020] The buggy address belongs to the physical page: [ 30.883048] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x109a9c [ 30.883106] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.884498] page_type: f5(slab) [ 30.885350] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 30.886529] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.886591] page dumped because: kasan: bad access detected [ 30.886712] [ 30.886796] Memory state around the buggy address: [ 30.887506] fff00000c9a9bf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.887729] fff00000c9a9bf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.887771] >fff00000c9a9c000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.888074] ^ [ 30.888291] fff00000c9a9c080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.888420] fff00000c9a9c100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.888472] ==================================================================
[ 22.782393] ================================================================== [ 22.783636] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4c8/0x520 [ 22.784067] Write of size 1 at addr ffff8881059ac478 by task kunit_try_catch/190 [ 22.785171] [ 22.785467] CPU: 0 UID: 0 PID: 190 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc5-next-20250708 #1 PREEMPT(voluntary) [ 22.785525] Tainted: [B]=BAD_PAGE, [N]=TEST [ 22.785538] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 22.785561] Call Trace: [ 22.785577] <TASK> [ 22.785597] dump_stack_lvl+0x73/0xb0 [ 22.785630] print_report+0xd1/0x610 [ 22.785789] ? __virt_addr_valid+0x1db/0x2d0 [ 22.785818] ? kmalloc_track_caller_oob_right+0x4c8/0x520 [ 22.785844] ? kasan_complete_mode_report_info+0x2a/0x200 [ 22.785873] ? kmalloc_track_caller_oob_right+0x4c8/0x520 [ 22.785899] kasan_report+0x141/0x180 [ 22.785924] ? kmalloc_track_caller_oob_right+0x4c8/0x520 [ 22.785955] __asan_report_store1_noabort+0x1b/0x30 [ 22.785983] kmalloc_track_caller_oob_right+0x4c8/0x520 [ 22.786009] ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10 [ 22.786035] ? __schedule+0x10cc/0x2b60 [ 22.786065] ? __pfx_read_tsc+0x10/0x10 [ 22.786090] ? ktime_get_ts64+0x86/0x230 [ 22.786117] kunit_try_run_case+0x1a5/0x480 [ 22.786140] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.786160] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 22.786182] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 22.786210] ? __kthread_parkme+0x82/0x180 [ 22.786231] ? preempt_count_sub+0x50/0x80 [ 22.786268] ? __pfx_kunit_try_run_case+0x10/0x10 [ 22.786289] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.786316] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 22.786343] kthread+0x337/0x6f0 [ 22.786364] ? trace_preempt_on+0x20/0xc0 [ 22.786388] ? __pfx_kthread+0x10/0x10 [ 22.786411] ? _raw_spin_unlock_irq+0x47/0x80 [ 22.786438] ? calculate_sigpending+0x7b/0xa0 [ 22.786465] ? __pfx_kthread+0x10/0x10 [ 22.786488] ret_from_fork+0x116/0x1d0 [ 22.786508] ? __pfx_kthread+0x10/0x10 [ 22.786530] ret_from_fork_asm+0x1a/0x30 [ 22.786564] </TASK> [ 22.786576] [ 22.798114] Allocated by task 190: [ 22.798324] kasan_save_stack+0x45/0x70 [ 22.798776] kasan_save_track+0x18/0x40 [ 22.799541] kasan_save_alloc_info+0x3b/0x50 [ 22.800328] __kasan_kmalloc+0xb7/0xc0 [ 22.800846] __kmalloc_node_track_caller_noprof+0x1cb/0x500 [ 22.801623] kmalloc_track_caller_oob_right+0x99/0x520 [ 22.801991] kunit_try_run_case+0x1a5/0x480 [ 22.802204] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 22.802489] kthread+0x337/0x6f0 [ 22.802655] ret_from_fork+0x116/0x1d0 [ 22.802825] ret_from_fork_asm+0x1a/0x30 [ 22.803188] [ 22.803273] The buggy address belongs to the object at ffff8881059ac400 [ 22.803273] which belongs to the cache kmalloc-128 of size 128 [ 22.803800] The buggy address is located 0 bytes to the right of [ 22.803800] allocated 120-byte region [ffff8881059ac400, ffff8881059ac478) [ 22.804474] [ 22.804550] The buggy address belongs to the physical page: [ 22.804747] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1059ac [ 22.805320] flags: 0x200000000000000(node=0|zone=2) [ 22.805715] page_type: f5(slab) [ 22.805943] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 22.806430] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 22.807001] page dumped because: kasan: bad access detected [ 22.807213] [ 22.807307] Memory state around the buggy address: [ 22.807504] ffff8881059ac300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 22.808068] ffff8881059ac380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.808403] >ffff8881059ac400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 22.808730] ^ [ 22.809316] ffff8881059ac480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.809602] ffff8881059ac500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 22.810050] ==================================================================