[ 146.586080][ T1421] pm_nl_ctl (1421) used greatest stack depth: 23328 bytes left [ 177.794499][ T2022] ================================================================== [ 177.794818][ T2022] BUG: KASAN: global-out-of-bounds in snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 177.795144][ T2022] Read of size 8 at addr ffffffff992e3970 by task nstat/2022 [ 177.795429][ T2022] [ 177.795528][ T2022] CPU: 2 UID: 0 PID: 2022 Comm: nstat Not tainted 6.17.0-rc3-virtme #1 PREEMPT(full) [ 177.795532][ T2022] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 177.795535][ T2022] Call Trace: [ 177.795537][ T2022] [ 177.795539][ T2022] dump_stack_lvl+0x82/0xc0 [ 177.795547][ T2022] print_address_description.constprop.0+0x2c/0x3a0 [ 177.795555][ T2022] ? snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 177.795560][ T2022] print_report+0xb4/0x270 [ 177.795563][ T2022] ? snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 177.795566][ T2022] ? kasan_addr_to_slab+0x21/0x70 [ 177.795569][ T2022] ? snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 177.795572][ T2022] kasan_report+0xca/0x100 [ 177.795576][ T2022] ? snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 177.795582][ T2022] snmp6_seq_show_item64.constprop.0+0x341/0x500 [ 177.795587][ T2022] ? sockstat6_seq_show+0x1d0/0x1d0 [ 177.795599][ T2022] ? rcu_is_watching+0x12/0xb0 [ 177.795606][ T2022] ? trace_kmalloc+0x26/0xd0 [ 177.795613][ T2022] ? __kvmalloc_node_noprof+0x23f/0x570 [ 177.795618][ T2022] snmp6_seq_show+0x68/0x190 [ 177.795622][ T2022] seq_read_iter+0x3fa/0x1060 [ 177.795632][ T2022] seq_read+0x2cc/0x4b0 [ 177.795635][ T2022] ? seq_read_iter+0x1060/0x1060 [ 177.795639][ T2022] ? __might_fault+0x117/0x170 [ 177.795647][ T2022] ? __might_fault+0x117/0x170 [ 177.795651][ T2022] ? cp_new_stat+0x3c6/0x540 [ 177.795655][ T2022] ? inode_set_bytes+0xa0/0xa0 [ 177.795659][ T2022] proc_reg_read+0x1aa/0x270 [ 177.795665][ T2022] vfs_read+0x17e/0xda0 [ 177.795672][ T2022] ? vfs_getattr_nosec+0x2b5/0x3e0 [ 177.795675][ T2022] ? kernel_read+0x1f0/0x1f0 [ 177.795678][ T2022] ? vfs_fstat+0x3f/0x80 [ 177.795680][ T2022] ? __do_sys_newfstat+0x7b/0xc0 [ 177.795683][ T2022] ? __do_sys_fstat+0xc0/0xc0 [ 177.795689][ T2022] ksys_read+0xf7/0x1d0 [ 177.795692][ T2022] ? vfs_write+0x12c0/0x12c0 [ 177.795698][ T2022] do_syscall_64+0xc1/0x370 [ 177.795703][ T2022] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 177.795708][ T2022] RIP: 0033:0x7f9d2f5c6292 [ 177.795712][ T2022] Code: c0 e9 b2 fe ff ff 50 48 8d 3d 6a 15 0c 00 e8 65 e1 01 00 0f 1f 44 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 0f 05 <48> 3d 00 f0 ff ff 77 56 c3 0f 1f 44 00 00 48 83 ec 28 48 89 54 24 [ 177.795714][ T2022] RSP: 002b:00007fff91a77ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 177.795718][ T2022] RAX: ffffffffffffffda RBX: 0000000016fdd2a0 RCX: 00007f9d2f5c6292 [ 177.795720][ T2022] RDX: 0000000000000400 RSI: 0000000016fdd500 RDI: 0000000000000005 [ 177.795722][ T2022] RBP: 00007f9d2f6be5c0 R08: 0000000000000005 R09: 0000000000000000 [ 177.795724][ T2022] R10: 00007f9d2f4ce268 R11: 0000000000000246 R12: 0000000016fdd2a0 [ 177.795725][ T2022] R13: 0000000000000d68 R14: 00007f9d2f6bd9c0 R15: 0000000000000d68 [ 177.795732][ T2022] [ 177.795733][ T2022] [ 177.805294][ T2022] The buggy address belongs to the variable: [ 177.805542][ T2022] snmp6_ipstats_list+0x210/0x3e0 [ 177.805730][ T2022] [ 177.805827][ T2022] The buggy address belongs to the physical page: [ 177.806056][ T2022] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2a4e3 [ 177.806391][ T2022] flags: 0x80000000002000(reserved|node=0|zone=1) [ 177.806632][ T2022] raw: 0080000000002000 ffffea0000a938c8 ffffea0000a938c8 0000000000000000 [ 177.806964][ T2022] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000 [ 177.807293][ T2022] page dumped because: kasan: bad access detected [ 177.807534][ T2022] [ 177.807627][ T2022] Memory state around the buggy address: [ 177.807809][ T2022] ffffffff992e3800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 177.808078][ T2022] ffffffff992e3880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 177.808352][ T2022] >ffffffff992e3900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f9 f9 [ 177.808636][ T2022] ^ [ 177.808902][ T2022] ffffffff992e3980: f9 f9 f9 f9 00 00 00 00 00 01 f9 f9 f9 f9 f9 f9 [ 177.809167][ T2022] ffffffff992e3a00: 00 00 04 f9 f9 f9 f9 f9 00 00 00 01 f9 f9 f9 f9 [ 177.809452][ T2022] ================================================================== [ 177.809787][ T2022] Disabling lock debugging due to kernel taint