BUG: unable to handle page fault for address: ffffe8ffff602008
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 1083f067 P4D 1083f067 PUD 18b92067 PMD 29751067 PTE 0
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 8486 Comm: syz-executor.2 Not tainted 5.14.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:get_counters+0x280/0x5c0 net/ipv4/netfilter/ip_tables.c:759
Code: 06 84 c0 74 db 3c 03 7f d7 4c 89 e7 e8 d9 8d ff f9 eb cd e8 22 52 b9 f9 48 8b 44 24 20 80 38 00 0f 85 6d 02 00 00 48 8b 04 24 <48> 8b 48 08 48 c1 e8 03 42 80 3c 38 00 48 89 4c 24 10 0f 85 43 02
RSP: 0018:ffffc9000179fb30 EFLAGS: 00010246
RAX: ffffe8ffff602000 RBX: 000000000021cd2a RCX: 0000000000000000
RDX: ffff8880206a3880 RSI: ffffffff87bc559e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8fcd5967
R10: ffffffff87bc5578 R11: 0000000000000001 R12: ffff8880b9c50b60
R13: ffff88802f824840 R14: ffffed101738a16c R15: dffffc0000000000
FS: 0000000001964400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffe8ffff602008 CR3: 000000005aeaa000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
do_ipt_get_ctl+0x634/0x9d0 net/ipv4/netfilter/ip_tables.c:805
nf_getsockopt+0x72/0xd0 net/netfilter/nf_sockopt.c:116
ip_getsockopt net/ipv4/ip_sockglue.c:1777 [inline]
ip_getsockopt+0x164/0x1c0 net/ipv4/ip_sockglue.c:1756
tcp_getsockopt+0x86/0xd0 net/ipv4/tcp.c:4253
__sys_getsockopt+0x21f/0x5f0 net/socket.c:2203
__do_sys_getsockopt net/socket.c:2218 [inline]
__se_sys_getsockopt net/socket.c:2215 [inline]
__x64_sys_getsockopt+0xba/0x150 net/socket.c:2215
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x467bfa
Code: 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed17282b8 EFLAGS: 00000216 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000467bfa
RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007ffed17282e0 R08: 00007ffed17282dc R09: 00007ffed1728370
R10: 00007ffed1728340 R11: 0000000000000216 R12: 00007ffed1728340
R13: 0000000000000003 R14: 00007ffed17282dc R15: 0000000000543d00
Modules linked in:
CR2: ffffe8ffff602008
---[ end trace 0621312c716ecc72 ]---
RIP: 0010:get_counters+0x280/0x5c0 net/ipv4/netfilter/ip_tables.c:759
Code: 06 84 c0 74 db 3c 03 7f d7 4c 89 e7 e8 d9 8d ff f9 eb cd e8 22 52 b9 f9 48 8b 44 24 20 80 38 00 0f 85 6d 02 00 00 48 8b 04 24 <48> 8b 48 08 48 c1 e8 03 42 80 3c 38 00 48 89 4c 24 10 0f 85 43 02
RSP: 0018:ffffc9000179fb30 EFLAGS: 00010246
RAX: ffffe8ffff602000 RBX: 000000000021cd2a RCX: 0000000000000000
RDX: ffff8880206a3880 RSI: ffffffff87bc559e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff8fcd5967
R10: ffffffff87bc5578 R11: 0000000000000001 R12: ffff8880b9c50b60
R13: ffff88802f824840 R14: ffffed101738a16c R15: dffffc0000000000
FS: 0000000001964400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffe8ffff602008 CR3: 000000005aeaa000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 84 c0 test %al,%al
2: 74 db je 0xffffffdf
4: 3c 03 cmp $0x3,%al
6: 7f d7 jg 0xffffffdf
8: 4c 89 e7 mov %r12,%rdi
b: e8 d9 8d ff f9 callq 0xf9ff8de9
10: eb cd jmp 0xffffffdf
12: e8 22 52 b9 f9 callq 0xf9b95239
17: 48 8b 44 24 20 mov 0x20(%rsp),%rax
1c: 80 38 00 cmpb $0x0,(%rax)
1f: 0f 85 6d 02 00 00 jne 0x292
25: 48 8b 04 24 mov (%rsp),%rax
* 29: 48 8b 48 08 mov 0x8(%rax),%rcx <-- trapping instruction
2d: 48 c1 e8 03 shr $0x3,%rax
31: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1)
36: 48 89 4c 24 10 mov %rcx,0x10(%rsp)
3b: 0f .byte 0xf
3c: 85 43 02 test %eax,0x2(%rbx)