Date
July 23, 2025, 3:10 a.m.
| Environment | |
|---|---|
| qemu-arm64 | |
| qemu-x86_64 |
[ 30.074599] ================================================================== [ 30.074647] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x418/0x488 [ 30.075257] Write of size 1 at addr fff00000c99bc878 by task kunit_try_catch/175 [ 30.075428] [ 30.075502] CPU: 0 UID: 0 PID: 175 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7-next-20250723 #1 PREEMPT [ 30.075667] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.075693] Hardware name: linux,dummy-virt (DT) [ 30.075729] Call trace: [ 30.075830] show_stack+0x20/0x38 (C) [ 30.075886] dump_stack_lvl+0x8c/0xd0 [ 30.076251] print_report+0x118/0x5e8 [ 30.076538] kasan_report+0xdc/0x128 [ 30.076621] __asan_report_store1_noabort+0x20/0x30 [ 30.076716] kmalloc_track_caller_oob_right+0x418/0x488 [ 30.076923] kunit_try_run_case+0x170/0x3f0 [ 30.077250] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.077314] kthread+0x328/0x630 [ 30.077361] ret_from_fork+0x10/0x20 [ 30.077407] [ 30.077640] Allocated by task 175: [ 30.077818] kasan_save_stack+0x3c/0x68 [ 30.077864] kasan_save_track+0x20/0x40 [ 30.077910] kasan_save_alloc_info+0x40/0x58 [ 30.077946] __kasan_kmalloc+0xd4/0xd8 [ 30.077988] __kmalloc_node_track_caller_noprof+0x194/0x4b8 [ 30.078029] kmalloc_track_caller_oob_right+0x184/0x488 [ 30.078324] kunit_try_run_case+0x170/0x3f0 [ 30.078748] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.078851] kthread+0x328/0x630 [ 30.078883] ret_from_fork+0x10/0x20 [ 30.078927] [ 30.078946] The buggy address belongs to the object at fff00000c99bc800 [ 30.078946] which belongs to the cache kmalloc-128 of size 128 [ 30.079400] The buggy address is located 0 bytes to the right of [ 30.079400] allocated 120-byte region [fff00000c99bc800, fff00000c99bc878) [ 30.079828] [ 30.079875] The buggy address belongs to the physical page: [ 30.079918] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1099bc [ 30.079971] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.080183] page_type: f5(slab) [ 30.080393] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 30.080445] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.080483] page dumped because: kasan: bad access detected [ 30.080512] [ 30.080557] Memory state around the buggy address: [ 30.080587] fff00000c99bc700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.080779] fff00000c99bc780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.080970] >fff00000c99bc800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.081007] ^ [ 30.081048] fff00000c99bc880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.081265] fff00000c99bc900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.081306] ================================================================== [ 30.067980] ================================================================== [ 30.068041] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x40c/0x488 [ 30.068108] Write of size 1 at addr fff00000c99bc778 by task kunit_try_catch/175 [ 30.068415] [ 30.068461] CPU: 0 UID: 0 PID: 175 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7-next-20250723 #1 PREEMPT [ 30.068644] Tainted: [B]=BAD_PAGE, [N]=TEST [ 30.068727] Hardware name: linux,dummy-virt (DT) [ 30.068802] Call trace: [ 30.068911] show_stack+0x20/0x38 (C) [ 30.069009] dump_stack_lvl+0x8c/0xd0 [ 30.069129] print_report+0x118/0x5e8 [ 30.069195] kasan_report+0xdc/0x128 [ 30.069238] __asan_report_store1_noabort+0x20/0x30 [ 30.069286] kmalloc_track_caller_oob_right+0x40c/0x488 [ 30.069363] kunit_try_run_case+0x170/0x3f0 [ 30.069409] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.069737] kthread+0x328/0x630 [ 30.069791] ret_from_fork+0x10/0x20 [ 30.069861] [ 30.069879] Allocated by task 175: [ 30.069917] kasan_save_stack+0x3c/0x68 [ 30.069966] kasan_save_track+0x20/0x40 [ 30.070010] kasan_save_alloc_info+0x40/0x58 [ 30.070056] __kasan_kmalloc+0xd4/0xd8 [ 30.070089] __kmalloc_node_track_caller_noprof+0x194/0x4b8 [ 30.070130] kmalloc_track_caller_oob_right+0xa8/0x488 [ 30.070180] kunit_try_run_case+0x170/0x3f0 [ 30.070218] kunit_generic_run_threadfn_adapter+0x88/0x100 [ 30.070299] kthread+0x328/0x630 [ 30.070422] ret_from_fork+0x10/0x20 [ 30.070456] [ 30.070474] The buggy address belongs to the object at fff00000c99bc700 [ 30.070474] which belongs to the cache kmalloc-128 of size 128 [ 30.070616] The buggy address is located 0 bytes to the right of [ 30.070616] allocated 120-byte region [fff00000c99bc700, fff00000c99bc778) [ 30.070678] [ 30.070697] The buggy address belongs to the physical page: [ 30.070738] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1099bc [ 30.071361] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff) [ 30.071419] page_type: f5(slab) [ 30.071458] raw: 0bfffe0000000000 fff00000c0001a00 dead000000000122 0000000000000000 [ 30.071640] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 30.072392] page dumped because: kasan: bad access detected [ 30.072654] [ 30.072683] Memory state around the buggy address: [ 30.072716] fff00000c99bc600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 30.072758] fff00000c99bc680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.072799] >fff00000c99bc700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 30.072838] ^ [ 30.072933] fff00000c99bc780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.073104] fff00000c99bc800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 30.073341] ==================================================================
[ 24.494307] ================================================================== [ 24.494812] BUG: KASAN: slab-out-of-bounds in kmalloc_track_caller_oob_right+0x4c8/0x520 [ 24.495464] Write of size 1 at addr ffff888104657978 by task kunit_try_catch/191 [ 24.496066] [ 24.496178] CPU: 1 UID: 0 PID: 191 Comm: kunit_try_catch Tainted: G B N 6.16.0-rc7-next-20250723 #1 PREEMPT(voluntary) [ 24.496450] Tainted: [B]=BAD_PAGE, [N]=TEST [ 24.496466] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 24.496488] Call Trace: [ 24.496502] <TASK> [ 24.496521] dump_stack_lvl+0x73/0xb0 [ 24.496555] print_report+0xd1/0x640 [ 24.496665] ? __virt_addr_valid+0x1db/0x2d0 [ 24.496691] ? kmalloc_track_caller_oob_right+0x4c8/0x520 [ 24.496715] ? kasan_complete_mode_report_info+0x2a/0x200 [ 24.496741] ? kmalloc_track_caller_oob_right+0x4c8/0x520 [ 24.496765] kasan_report+0x141/0x180 [ 24.496787] ? kmalloc_track_caller_oob_right+0x4c8/0x520 [ 24.496815] __asan_report_store1_noabort+0x1b/0x30 [ 24.496840] kmalloc_track_caller_oob_right+0x4c8/0x520 [ 24.496864] ? __pfx_kmalloc_track_caller_oob_right+0x10/0x10 [ 24.496890] ? __schedule+0x10da/0x2b60 [ 24.496915] ? __pfx_read_tsc+0x10/0x10 [ 24.496948] ? ktime_get_ts64+0x86/0x230 [ 24.496977] kunit_try_run_case+0x1a5/0x480 [ 24.497005] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.497027] ? _raw_spin_lock_irqsave+0xa1/0x100 [ 24.497052] ? _raw_spin_unlock_irqrestore+0x5f/0x90 [ 24.497077] ? __kthread_parkme+0x82/0x180 [ 24.497097] ? preempt_count_sub+0x50/0x80 [ 24.497120] ? __pfx_kunit_try_run_case+0x10/0x10 [ 24.497144] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.497176] ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10 [ 24.497200] kthread+0x337/0x6f0 [ 24.497220] ? trace_preempt_on+0x20/0xc0 [ 24.497244] ? __pfx_kthread+0x10/0x10 [ 24.497265] ? _raw_spin_unlock_irq+0x47/0x80 [ 24.497288] ? calculate_sigpending+0x7b/0xa0 [ 24.497312] ? __pfx_kthread+0x10/0x10 [ 24.497333] ret_from_fork+0x116/0x1d0 [ 24.497352] ? __pfx_kthread+0x10/0x10 [ 24.497445] ret_from_fork_asm+0x1a/0x30 [ 24.497481] </TASK> [ 24.497493] [ 24.508157] Allocated by task 191: [ 24.508383] kasan_save_stack+0x45/0x70 [ 24.508821] kasan_save_track+0x18/0x40 [ 24.509002] kasan_save_alloc_info+0x3b/0x50 [ 24.509359] __kasan_kmalloc+0xb7/0xc0 [ 24.509747] __kmalloc_node_track_caller_noprof+0x1cb/0x500 [ 24.510008] kmalloc_track_caller_oob_right+0x99/0x520 [ 24.510542] kunit_try_run_case+0x1a5/0x480 [ 24.510710] kunit_generic_run_threadfn_adapter+0x85/0xf0 [ 24.510962] kthread+0x337/0x6f0 [ 24.511403] ret_from_fork+0x116/0x1d0 [ 24.511678] ret_from_fork_asm+0x1a/0x30 [ 24.512051] [ 24.512160] The buggy address belongs to the object at ffff888104657900 [ 24.512160] which belongs to the cache kmalloc-128 of size 128 [ 24.512802] The buggy address is located 0 bytes to the right of [ 24.512802] allocated 120-byte region [ffff888104657900, ffff888104657978) [ 24.513867] [ 24.513955] The buggy address belongs to the physical page: [ 24.514188] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104657 [ 24.514838] flags: 0x200000000000000(node=0|zone=2) [ 24.515157] page_type: f5(slab) [ 24.515323] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000 [ 24.515873] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000 [ 24.516300] page dumped because: kasan: bad access detected [ 24.516700] [ 24.516789] Memory state around the buggy address: [ 24.516973] ffff888104657800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 24.517949] ffff888104657880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.518317] >ffff888104657900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc [ 24.518984] ^ [ 24.519393] ffff888104657980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.519741] ffff888104657a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 24.520274] ==================================================================