[ 15.439515][ T231] ================================================================== [ 15.439822][ T231] BUG: KASAN: global-out-of-bounds in snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 15.440131][ T231] Read of size 8 at addr ffffffffa80d4790 by task key-management_/231 [ 15.440391][ T231] [ 15.440493][ T231] CPU: 3 UID: 0 PID: 231 Comm: key-management_ Not tainted 6.17.0-rc3-virtme #1 PREEMPT(full) [ 15.440499][ T231] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 15.440501][ T231] Call Trace: [ 15.440503][ T231] [ 15.440505][ T231] dump_stack_lvl+0x82/0xc0 [ 15.440513][ T231] print_address_description.constprop.0+0x2c/0x3a0 [ 15.440523][ T231] ? snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 15.440528][ T231] print_report+0xb4/0x270 [ 15.440531][ T231] ? snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 15.440534][ T231] ? kasan_addr_to_slab+0x21/0x70 [ 15.440538][ T231] ? snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 15.440541][ T231] kasan_report+0xca/0x100 [ 15.440545][ T231] ? snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 15.440550][ T231] snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 15.440555][ T231] ? sockstat6_seq_show+0x1d0/0x1d0 [ 15.440566][ T231] ? rcu_is_watching+0x12/0xb0 [ 15.440573][ T231] ? trace_kmalloc+0x26/0xd0 [ 15.440578][ T231] ? __kvmalloc_node_noprof+0x23f/0x570 [ 15.440584][ T231] snmp6_seq_show+0x68/0x190 [ 15.440587][ T231] seq_read_iter+0x3fa/0x1060 [ 15.440597][ T231] seq_read+0x2cc/0x4b0 [ 15.440601][ T231] ? seq_read_iter+0x1060/0x1060 [ 15.440604][ T231] ? __lock_acquire+0x449/0x7e0 [ 15.440613][ T231] ? __mutex_trylock_common+0xf9/0x260 [ 15.440618][ T231] ? rcu_is_watching+0x12/0xb0 [ 15.440622][ T231] proc_reg_read+0x1aa/0x270 [ 15.440630][ T231] vfs_read+0x17e/0xda0 [ 15.440636][ T231] ? fdget_pos+0x230/0x2f0 [ 15.440642][ T231] ? ww_mutex_lock+0x160/0x160 [ 15.440650][ T231] ? kernel_read+0x1f0/0x1f0 [ 15.440654][ T231] ? __lock_release+0x5d/0x170 [ 15.440658][ T231] ? __fget_files+0x199/0x300 [ 15.440662][ T231] ? __fget_files+0x1a3/0x300 [ 15.440668][ T231] ksys_read+0xf7/0x1d0 [ 15.440672][ T231] ? vfs_write+0x12c0/0x12c0 [ 15.440678][ T231] do_syscall_64+0xc1/0x370 [ 15.440683][ T231] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 15.440687][ T231] RIP: 0033:0x7f1eb2a3c2cc [ 15.440692][ T231] 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 [ 15.440695][ T231] RSP: 002b:00007f1eb2138120 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 15.440699][ T231] RAX: ffffffffffffffda RBX: 00007f1ea4001480 RCX: 00007f1eb2a3c2cc [ 15.440701][ T231] RDX: 0000000000000400 RSI: 00007f1ea40016e0 RDI: 000000000000000b [ 15.440703][ T231] RBP: 00007f1eb2b345c0 R08: 0000000000000000 R09: 0000000000000000 [ 15.440706][ T231] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 15.440707][ T231] R13: 0000000000000d68 R14: 00007f1eb2b339c0 R15: 0000000000000d68 [ 15.440714][ T231] [ 15.440715][ T231] [ 15.453362][ T231] The buggy address belongs to the variable: [ 15.453693][ T231] snmp6_ipstats_list+0x210/0x3e0 [ 15.453981][ T231] [ 15.454116][ T231] The buggy address belongs to the physical page: [ 15.454443][ T231] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x122d4 [ 15.454910][ T231] flags: 0x80000000002000(reserved|node=0|zone=1) [ 15.455261][ T231] raw: 0080000000002000 ffffea000048b508 ffffea000048b508 0000000000000000 [ 15.455751][ T231] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 15.456222][ T231] page dumped because: kasan: bad access detected [ 15.456566][ T231] [ 15.456708][ T231] Memory state around the buggy address: [ 15.456960][ T231] ffffffffa80d4680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.457338][ T231] ffffffffa80d4700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 15.457763][ T231] >ffffffffa80d4780: 00 00 f9 f9 f9 f9 f9 f9 00 00 00 00 00 01 f9 f9 [ 15.458141][ T231] ^ [ 15.458418][ T231] ffffffffa80d4800: f9 f9 f9 f9 00 00 04 f9 f9 f9 f9 f9 00 00 00 01 [ 15.458773][ T231] ffffffffa80d4880: f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 00 00 06 f9 [ 15.459151][ T231] ================================================================== [ 15.459566][ T231] Disabling lock debugging due to kernel taint [ 16.343304][ T227] TCP: AO key ifindex 200 != sk bound ifindex 3 [ 16.344731][ T227] TCP: AO key ifindex 200 != sk bound ifindex 3 [ 16.345571][ T227] TCP: AO key ifindex 200 != sk bound ifindex 3 [ 16.346339][ T227] TCP: AO key ifindex 200 != sk bound ifindex 3 [ 16.347155][ T227] TCP: AO key ifindex 200 != sk bound ifindex 3