tipc: Resetting bearer bond0: (slave 0!): Releasing backup interface !: left promiscuous mode !: left allmulticast mode Oops: general protection fault, probably for non-canonical address 0xdffffc001fffe1ac: 0000 [#1] SMP KASAN PTI KASAN: probably user-memory-access in range [0x00000000ffff0d60-0x00000000ffff0d67] CPU: 1 UID: 0 PID: 21145 Comm: syz.2.4878 Not tainted 6.17.0-rc1-syzkaller-00201-g88250d40ed59 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:ip_mc_hash_remove net/ipv4/igmp.c:1431 [inline] RIP: 0010:__ip_mc_dec_group+0x2fd/0x690 net/ipv4/igmp.c:1774 Code: d9 77 bb f7 c6 05 78 24 89 05 01 48 c7 c7 80 a0 9e 8c be 97 05 00 00 48 c7 c2 00 a1 9e 8c e8 2a 52 99 f7 4c 89 e3 48 c1 eb 03 <42> 80 3c 2b 00 74 08 4c 89 e7 e8 f4 e0 1e f8 4d 8b 2c 24 4d 39 f5 RSP: 0018:ffffc9000ab66658 EFLAGS: 00010206 RAX: ffffffff8a04337e RBX: 000000001fffe1ac RCX: 0000000000080000 RDX: ffffc9000b0b9000 RSI: 0000000000037b0a RDI: 0000000000037b0b RBP: ffff888057cee820 R08: ffffffff8f537c67 R09: 1ffffffff1ea6f8c R10: dffffc0000000000 R11: fffffbfff1ea6f8d R12: 00000000ffff0d60 R13: dffffc0000000000 R14: ffff88805ecf3600 R15: 1ffff1100af9dd04 FS: 00007f55c00006c0(0000) GS:ffff888125d1c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00002000000044c1 CR3: 000000005baea000 CR4: 00000000003526f0 Call Trace: inetdev_event+0x2a7/0x15b0 net/ipv4/devinet.c:1642 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85 call_netdevice_notifiers_extack net/core/dev.c:2267 [inline] call_netdevice_notifiers net/core/dev.c:2281 [inline] netif_close_many+0x29c/0x410 net/core/dev.c:1784 netif_close+0x158/0x210 net/core/dev.c:1797 dev_close+0x10a/0x220 net/core/dev_api.c:220 __bond_release_one+0xbb5/0x10e0 drivers/net/bonding/bond_main.c:2657 do_set_master+0x312/0x6d0 net/core/rtnetlink.c:2932 do_setlink+0xcf0/0x41c0 net/core/rtnetlink.c:3150 rtnl_group_changelink net/core/rtnetlink.c:3775 [inline] __rtnl_newlink net/core/rtnetlink.c:3929 [inline] rtnl_newlink+0x149f/0x1c70 net/core/rtnetlink.c:4057 rtnetlink_rcv_msg+0x7cc/0xb70 net/core/rtnetlink.c:6946 netlink_rcv_skb+0x205/0x470 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x82c/0x9e0 net/netlink/af_netlink.c:1346 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1896 sock_sendmsg_nosec net/socket.c:714 [inline] __sock_sendmsg+0x219/0x270 net/socket.c:729 ____sys_sendmsg+0x505/0x830 net/socket.c:2614 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2668 __sys_sendmsg net/socket.c:2700 [inline] __do_sys_sendmsg net/socket.c:2705 [inline] __se_sys_sendmsg net/socket.c:2703 [inline] __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2703 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: 0033:0x7f55bf18ebe9 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:00007f55c0000038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f55bf3b5fa0 RCX: 00007f55bf18ebe9 RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000003 RBP: 00007f55bf211e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f55bf3b6038 R14: 00007f55bf3b5fa0 R15: 00007ffc787e1018 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:ip_mc_hash_remove net/ipv4/igmp.c:1431 [inline] RIP: 0010:__ip_mc_dec_group+0x2fd/0x690 net/ipv4/igmp.c:1774 Code: d9 77 bb f7 c6 05 78 24 89 05 01 48 c7 c7 80 a0 9e 8c be 97 05 00 00 48 c7 c2 00 a1 9e 8c e8 2a 52 99 f7 4c 89 e3 48 c1 eb 03 <42> 80 3c 2b 00 74 08 4c 89 e7 e8 f4 e0 1e f8 4d 8b 2c 24 4d 39 f5 RSP: 0018:ffffc9000ab66658 EFLAGS: 00010206 RAX: ffffffff8a04337e RBX: 000000001fffe1ac RCX: 0000000000080000 RDX: ffffc9000b0b9000 RSI: 0000000000037b0a RDI: 0000000000037b0b RBP: ffff888057cee820 R08: ffffffff8f537c67 R09: 1ffffffff1ea6f8c R10: dffffc0000000000 R11: fffffbfff1ea6f8d R12: 00000000ffff0d60 R13: dffffc0000000000 R14: ffff88805ecf3600 R15: 1ffff1100af9dd04 FS: 00007f55c00006c0(0000) GS:ffff888125d1c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2271c82f98 CR3: 000000005baea000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: d9 77 bb fnstenv -0x45(%rdi) 3: f7 c6 05 78 24 89 test $0x89247805,%esi 9: 05 01 48 c7 c7 add $0xc7c74801,%eax e: 80 a0 9e 8c be 97 05 andb $0x5,-0x68417362(%rax) 15: 00 00 add %al,(%rax) 17: 48 c7 c2 00 a1 9e 8c mov $0xffffffff8c9ea100,%rdx 1e: e8 2a 52 99 f7 call 0xf799524d 23: 4c 89 e3 mov %r12,%rbx 26: 48 c1 eb 03 shr $0x3,%rbx * 2a: 42 80 3c 2b 00 cmpb $0x0,(%rbx,%r13,1) <-- trapping instruction 2f: 74 08 je 0x39 31: 4c 89 e7 mov %r12,%rdi 34: e8 f4 e0 1e f8 call 0xf81ee12d 39: 4d 8b 2c 24 mov (%r12),%r13 3d: 4d 39 f5 cmp %r14,%r13