unknown channel width for channel at 909000KHz? BUG: unable to handle page fault for address: ffffffff8958a7cf #PF: supervisor write access in kernel mode #PF: error_code(0x0003) - permissions violation PGD df3b067 P4D df3b067 PUD df3c063 PMD 94001a1 Oops: Oops: 0003 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 12743 Comm: syz.3.1674 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 RIP: 0010:hlist_add_before_rcu include/linux/rculist.h:705 [inline] RIP: 0010:xfrm_state_find+0x4ca9/0x5400 net/xfrm/xfrm_state.c:1574 Code: 4c 89 ff e8 79 63 01 f8 49 8b 1f 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 47 64 01 f8 <4c> 89 23 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 20 80 3c 01 00 RSP: 0018:ffffc900051bf3a0 EFLAGS: 00010246 RAX: 1ffffffff12b14f9 RBX: ffffffff8958a7cf RCX: dffffc0000000000 RDX: ffffc9000d11b000 RSI: 0000000000000676 RDI: 0000000000000677 RBP: ffffc900051bf5c0 R08: dffffc0000000000 R09: 0000000000000002 R10: 000000000000000a R11: 0000000000000002 R12: ffff888057000028 R13: ffff888057000000 R14: ffff888057e9c8a8 R15: ffff888057000030 FS: 00007fda5cfa36c0(0000) GS:ffff888125c13000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff8958a7cf CR3: 000000002f3ae000 CR4: 00000000003526f0 Call Trace: xfrm_tmpl_resolve_one net/xfrm/xfrm_policy.c:2522 [inline] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:2573 [inline] xfrm_resolve_and_create_bundle+0x768/0x2f80 net/xfrm/xfrm_policy.c:2871 xfrm_lookup_with_ifid+0x2a7/0x1a70 net/xfrm/xfrm_policy.c:3205 xfrm_lookup net/xfrm/xfrm_policy.c:3336 [inline] xfrm_lookup_route+0x3c/0x1c0 net/xfrm/xfrm_policy.c:3347 ip6_datagram_dst_update+0x75c/0xcb0 net/ipv6/datagram.c:96 __ip6_datagram_connect+0xbd1/0x1150 net/ipv6/datagram.c:255 ip6_datagram_connect net/ipv6/datagram.c:279 [inline] ip6_datagram_connect_v6_only+0x63/0xa0 net/ipv6/datagram.c:291 __sys_connect_file net/socket.c:2086 [inline] __sys_connect+0x313/0x440 net/socket.c:2105 __do_sys_connect net/socket.c:2111 [inline] __se_sys_connect net/socket.c:2108 [inline] __x64_sys_connect+0x7a/0x90 net/socket.c:2108 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fda5c18eba9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fda5cfa3038 EFLAGS: 00000246 ORIG_RAX: 000000000000002a RAX: ffffffffffffffda RBX: 00007fda5c3d5fa0 RCX: 00007fda5c18eba9 RDX: 000000000000001c RSI: 00002000000000c0 RDI: 0000000000000003 RBP: 00007fda5c211e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fda5c3d6038 R14: 00007fda5c3d5fa0 R15: 00007ffd58652948 Modules linked in: CR2: ffffffff8958a7cf ---[ end trace 0000000000000000 ]--- RIP: 0010:hlist_add_before_rcu include/linux/rculist.h:705 [inline] RIP: 0010:xfrm_state_find+0x4ca9/0x5400 net/xfrm/xfrm_state.c:1574 Code: 4c 89 ff e8 79 63 01 f8 49 8b 1f 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 47 64 01 f8 <4c> 89 23 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 20 80 3c 01 00 RSP: 0018:ffffc900051bf3a0 EFLAGS: 00010246 RAX: 1ffffffff12b14f9 RBX: ffffffff8958a7cf RCX: dffffc0000000000 RDX: ffffc9000d11b000 RSI: 0000000000000676 RDI: 0000000000000677 RBP: ffffc900051bf5c0 R08: dffffc0000000000 R09: 0000000000000002 R10: 000000000000000a R11: 0000000000000002 R12: ffff888057000028 R13: ffff888057000000 R14: ffff888057e9c8a8 R15: ffff888057000030 FS: 00007fda5cfa36c0(0000) GS:ffff888125c13000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff8958a7cf CR3: 000000002f3ae000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: 4c 89 ff mov %r15,%rdi 3: e8 79 63 01 f8 call 0xf8016381 8: 49 8b 1f mov (%r15),%rbx b: 48 89 d8 mov %rbx,%rax e: 48 c1 e8 03 shr $0x3,%rax 12: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 19: fc ff df 1c: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) 20: 74 08 je 0x2a 22: 48 89 df mov %rbx,%rdi 25: e8 47 64 01 f8 call 0xf8016471 * 2a: 4c 89 23 mov %r12,(%rbx) <-- trapping instruction 2d: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 34: fc ff df 37: 48 8b 4c 24 20 mov 0x20(%rsp),%rcx 3c: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1)