batman_adv: batadv0: Interface deactivated: macvlan16 batman_adv: batadv0: Interface deactivated: macvlan17 batman_adv: batadv0: Interface deactivated: macvlan18 batman_adv: batadv0: Interface deactivated: macvlan19 batman_adv: batadv0: Interface deactivated: macvlan20 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 15318 at mm/page_alloc.c:5124 __alloc_frozen_pages_noprof+0x2c8/0x370 mm/page_alloc.c:5124 Modules linked in: CPU: 0 UID: 0 PID: 15318 Comm: syz.2.2577 Not tainted 6.16.0-syzkaller-12108-gfdbe93b7f0f8 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 RIP: 0010:__alloc_frozen_pages_noprof+0x2c8/0x370 mm/page_alloc.c:5124 Code: 74 10 4c 89 e7 89 54 24 0c e8 f4 1c 0d 00 8b 54 24 0c 49 83 3c 24 00 0f 85 a5 fe ff ff e9 a6 fe ff ff c6 05 f0 38 77 0d 01 90 <0f> 0b 90 e9 18 ff ff ff a9 00 00 08 00 48 8b 4c 24 10 4c 8d 44 24 RSP: 0018:ffffc9000b4ddf20 EFLAGS: 00010246 RAX: ffffc9000b4ddf00 RBX: 0000000000000017 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc9000b4ddf88 RBP: ffffc9000b4de010 R08: ffffc9000b4ddf87 R09: 0000000000000000 R10: ffffc9000b4ddf60 R11: fffff5200169bbf1 R12: 0000000000000000 R13: 1ffff9200169bbe8 R14: 0000000000040920 R15: dffffc0000000000 FS: 00007f13f4aa96c0(0000) GS:ffff888125c21000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc3773f1f98 CR3: 000000006a37a000 CR4: 00000000003526f0 Call Trace: alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416 ___kmalloc_large_node+0x5f/0x1b0 mm/slub.c:4306 __kmalloc_large_node_noprof+0x18/0x90 mm/slub.c:4337 __do_kmalloc_node mm/slub.c:4353 [inline] __kmalloc_noprof+0x36f/0x4f0 mm/slub.c:4377 kmalloc_noprof include/linux/slab.h:909 [inline] kmalloc_array_noprof include/linux/slab.h:948 [inline] nsim_fib6_event_init drivers/net/netdevsim/fib.c:810 [inline] nsim_fib6_prepare_event drivers/net/netdevsim/fib.c:947 [inline] nsim_fib_event_schedule_work drivers/net/netdevsim/fib.c:1003 [inline] nsim_fib_event_nb+0x295/0x1080 drivers/net/netdevsim/fib.c:1043 notifier_call_chain+0x1b6/0x3e0 kernel/notifier.c:85 atomic_notifier_call_chain+0xda/0x180 kernel/notifier.c:223 call_fib_notifiers+0x31/0x60 net/core/fib_notifier.c:35 fib6_del_route net/ipv6/ip6_fib.c:-1 [inline] fib6_del+0x104d/0x1550 net/ipv6/ip6_fib.c:2087 fib6_clean_node+0x29f/0x590 net/ipv6/ip6_fib.c:2249 fib6_walk_continue+0x678/0x910 net/ipv6/ip6_fib.c:2171 fib6_walk+0x149/0x290 net/ipv6/ip6_fib.c:2219 fib6_clean_tree net/ipv6/ip6_fib.c:2299 [inline] __fib6_clean_all+0x234/0x380 net/ipv6/ip6_fib.c:2315 rt6_sync_down_dev net/ipv6/route.c:5005 [inline] rt6_disable_ip+0x120/0x720 net/ipv6/route.c:5010 addrconf_ifdown+0x15d/0x1880 net/ipv6/addrconf.c:3853 addrconf_notify+0x1bc/0x1010 net/ipv6/addrconf.c:-1 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] __dev_notify_flags+0x18d/0x2e0 net/core/dev.c:-1 netif_change_flags+0xe8/0x1a0 net/core/dev.c:9600 do_setlink+0xc55/0x41c0 net/core/rtnetlink.c:3143 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+0x7cf/0xb70 net/core/rtnetlink.c:6946 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2552 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline] netlink_unicast+0x82f/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: 0033:0x7f13f3b8ebe9 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:00007f13f4aa9038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f13f3db5fa0 RCX: 00007f13f3b8ebe9 RDX: 0000000000004000 RSI: 0000200000000140 RDI: 0000000000000008 RBP: 00007f13f3c11e19 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f13f3db6038 R14: 00007f13f3db5fa0 R15: 00007ffd67d84388