[ 14.953814][ T232] ================================================================== [ 14.954105][ T232] BUG: KASAN: global-out-of-bounds in snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 14.954432][ T232] Read of size 8 at addr ffffffff8dad4790 by task key-management_/232 [ 14.954692][ T232] [ 14.954789][ T232] CPU: 3 UID: 0 PID: 232 Comm: key-management_ Not tainted 6.17.0-rc3-virtme #1 PREEMPT(full) [ 14.954794][ T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 14.954797][ T232] Call Trace: [ 14.954799][ T232] [ 14.954801][ T232] dump_stack_lvl+0x82/0xc0 [ 14.954809][ T232] print_address_description.constprop.0+0x2c/0x3a0 [ 14.954818][ T232] ? snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 14.954822][ T232] print_report+0xb4/0x270 [ 14.954825][ T232] ? snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 14.954828][ T232] ? kasan_addr_to_slab+0x21/0x70 [ 14.954833][ T232] ? snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 14.954835][ T232] kasan_report+0xca/0x100 [ 14.954839][ T232] ? snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 14.954845][ T232] snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 14.954850][ T232] ? sockstat6_seq_show+0x1d0/0x1d0 [ 14.954861][ T232] ? rcu_is_watching+0x12/0xb0 [ 14.954868][ T232] ? trace_kmalloc+0x26/0xd0 [ 14.954873][ T232] ? __kvmalloc_node_noprof+0x23f/0x570 [ 14.954878][ T232] snmp6_seq_show+0x68/0x190 [ 14.954881][ T232] seq_read_iter+0x3fa/0x1060 [ 14.954892][ T232] seq_read+0x2cc/0x4b0 [ 14.954896][ T232] ? seq_read_iter+0x1060/0x1060 [ 14.954900][ T232] ? __lock_acquire+0x449/0x7e0 [ 14.954909][ T232] ? __mutex_trylock_common+0xf9/0x260 [ 14.954914][ T232] ? rcu_is_watching+0x12/0xb0 [ 14.954918][ T232] proc_reg_read+0x1aa/0x270 [ 14.954926][ T232] vfs_read+0x17e/0xda0 [ 14.954932][ T232] ? fdget_pos+0x230/0x2f0 [ 14.954938][ T232] ? ww_mutex_lock+0x160/0x160 [ 14.954945][ T232] ? kernel_read+0x1f0/0x1f0 [ 14.954948][ T232] ? __lock_release+0x5d/0x170 [ 14.954952][ T232] ? __fget_files+0x199/0x300 [ 14.954957][ T232] ? __fget_files+0x1a3/0x300 [ 14.954967][ T232] ksys_read+0xf7/0x1d0 [ 14.954972][ T232] ? vfs_write+0x12c0/0x12c0 [ 14.954982][ T232] do_syscall_64+0xc1/0x370 [ 14.954989][ T232] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 14.954993][ T232] RIP: 0033:0x7f19ac07f2cc [ 14.954997][ T232] Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 29 8b f8 ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 7f 8b f8 ff 48 [ 14.955001][ T232] RSP: 002b:00007f19ab77b120 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 14.955005][ T232] RAX: ffffffffffffffda RBX: 00007f199c001480 RCX: 00007f19ac07f2cc [ 14.955007][ T232] RDX: 0000000000000400 RSI: 00007f199c0016e0 RDI: 000000000000000b [ 14.955009][ T232] RBP: 00007f19ac1775c0 R08: 0000000000000000 R09: 0000000000000000 [ 14.955011][ T232] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 14.955013][ T232] R13: 0000000000000d68 R14: 00007f19ac1769c0 R15: 0000000000000d68 [ 14.955019][ T232] [ 14.955021][ T232] [ 14.963522][ T232] The buggy address belongs to the variable: [ 14.963723][ T232] snmp6_ipstats_list+0x210/0x3e0 [ 14.963890][ T232] [ 14.963979][ T232] The buggy address belongs to the physical page: [ 14.964222][ T232] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x304d4 [ 14.964515][ T232] flags: 0x80000000002000(reserved|node=0|zone=1) [ 14.964730][ T232] raw: 0080000000002000 ffffea0000c13508 ffffea0000c13508 0000000000000000 [ 14.965034][ T232] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 14.965323][ T232] page dumped because: kasan: bad access detected [ 14.965527][ T232] [ 14.965610][ T232] Memory state around the buggy address: [ 14.965789][ T232] ffffffff8dad4680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.966047][ T232] ffffffff8dad4700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 14.966285][ T232] >ffffffff8dad4780: 00 00 f9 f9 f9 f9 f9 f9 00 00 00 00 00 01 f9 f9 [ 14.966523][ T232] ^ [ 14.966690][ T232] ffffffff8dad4800: f9 f9 f9 f9 00 00 04 f9 f9 f9 f9 f9 00 00 00 01 [ 14.966921][ T232] ffffffff8dad4880: f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 00 00 06 f9 [ 14.967170][ T232] ================================================================== [ 14.967467][ T232] Disabling lock debugging due to kernel taint [ 15.632147][ T228] TCP: AO key ifindex 200 != sk bound ifindex 3 [ 15.633033][ T228] TCP: AO key ifindex 200 != sk bound ifindex 3 [ 15.633929][ T228] TCP: AO key ifindex 200 != sk bound ifindex 3 [ 15.634838][ T228] TCP: AO key ifindex 200 != sk bound ifindex 3 [ 15.636039][ T228] TCP: AO key ifindex 200 != sk bound ifindex 3 [ 15.788992][ T228] key-management_ (228) used greatest stack depth: 24544 bytes left