general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 PID: 3999 Comm: syz-executor178 Not tainted 5.15.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:sk_prot_mem_limits include/net/sock.h:1477 [inline] RIP: 0010:sock_reserve_memory net/core/sock.c:985 [inline] RIP: 0010:sock_setsockopt+0x1b91/0x24e0 net/core/sock.c:1430 Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 56 07 00 00 49 8b 86 10 01 00 00 ba ff ff 37 00 48 c1 e2 2a 48 8d 78 08 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 08 07 00 00 48 8b 8d 90 fe ff ff 48 39 48 08 0f RSP: 0018:ffffc90002b4fc78 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 1ffff92000569f94 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000008 RBP: ffffc90002b4fdf0 R08: 0000000000000001 R09: ffffffff8f43a167 R10: fffffbfff1e8742c R11: 000000000007a089 R12: ffff88801d02f460 R13: ffff88801d02f000 R14: ffffffff8b394f40 R15: ffff88801d02f21c FS: 00005555555cf300(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f14ce183130 CR3: 000000006e80c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sys_setsockopt+0x38c/0x4e0 net/socket.c:2172 __do_sys_setsockopt net/socket.c:2187 [inline] __se_sys_setsockopt net/socket.c:2184 [inline] __x64_sys_setsockopt+0xb5/0x150 net/socket.c:2184 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: 0033:0x7f14ce111db9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 15 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdd44562f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f14ce111db9 RDX: 0000000000000049 RSI: 0000000000000001 RDI: 0000000000000004 RBP: 0000000000000000 R08: 0000000000000004 R09: 00007ffdd4456320 R10: 0000000020000000 R11: 0000000000000246 R12: 00007ffdd445631c R13: 00007ffdd4456330 R14: 00007ffdd4456370 R15: 0000000000000000 Modules linked in: ---[ end trace 78b910292b4d6678 ]--- RIP: 0010:sk_prot_mem_limits include/net/sock.h:1477 [inline] RIP: 0010:sock_reserve_memory net/core/sock.c:985 [inline] RIP: 0010:sock_setsockopt+0x1b91/0x24e0 net/core/sock.c:1430 Code: fa 48 c1 ea 03 80 3c 02 00 0f 85 56 07 00 00 49 8b 86 10 01 00 00 ba ff ff 37 00 48 c1 e2 2a 48 8d 78 08 48 89 f9 48 c1 e9 03 <80> 3c 11 00 0f 85 08 07 00 00 48 8b 8d 90 fe ff ff 48 39 48 08 0f RSP: 0018:ffffc90002b4fc78 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 1ffff92000569f94 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000008 RBP: ffffc90002b4fdf0 R08: 0000000000000001 R09: ffffffff8f43a167 R10: fffffbfff1e8742c R11: 000000000007a089 R12: ffff88801d02f460 R13: ffff88801d02f000 R14: ffffffff8b394f40 R15: ffff88801d02f21c FS: 00005555555cf300(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f14ce183130 CR3: 000000006e80c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: fa cli 1: 48 c1 ea 03 shr $0x3,%rdx 5: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 9: 0f 85 56 07 00 00 jne 0x765 f: 49 8b 86 10 01 00 00 mov 0x110(%r14),%rax 16: ba ff ff 37 00 mov $0x37ffff,%edx 1b: 48 c1 e2 2a shl $0x2a,%rdx 1f: 48 8d 78 08 lea 0x8(%rax),%rdi 23: 48 89 f9 mov %rdi,%rcx 26: 48 c1 e9 03 shr $0x3,%rcx * 2a: 80 3c 11 00 cmpb $0x0,(%rcx,%rdx,1) <-- trapping instruction 2e: 0f 85 08 07 00 00 jne 0x73c 34: 48 8b 8d 90 fe ff ff mov -0x170(%rbp),%rcx 3b: 48 39 48 08 cmp %rcx,0x8(%rax) 3f: 0f .byte 0xf