BUG: assuming non migratable context at ./include/linux/filter.h:703 in_atomic(): 0, irqs_disabled(): 0, migration_disabled() 0 pid: 9281, name: syz.5.989 1 lock held by syz.5.989/9281: #0: ffffffff883dc420 (rcu_read_lock){....}-{1:3}, at: arch_static_branch arch/riscv/include/asm/jump_label.h:39 [inline] #0: ffffffff883dc420 (rcu_read_lock){....}-{1:3}, at: static_key_false include/linux/jump_label.h:208 [inline] #0: ffffffff883dc420 (rcu_read_lock){....}-{1:3}, at: nf_hook include/linux/netfilter.h:237 [inline] #0: ffffffff883dc420 (rcu_read_lock){....}-{1:3}, at: NF_HOOK include/linux/netfilter.h:315 [inline] #0: ffffffff883dc420 (rcu_read_lock){....}-{1:3}, at: ip_mc_output+0x376/0x1018 net/ipv4/ip_output.c:399 CPU: 1 UID: 0 PID: 9281 Comm: syz.5.989 Not tainted 6.16.0-rc1-syzkaller-gfda589c28604 #0 PREEMPT Hardware name: riscv-virtio,qemu (DT) Call Trace: [] dump_backtrace+0x2e/0x3c arch/riscv/kernel/stacktrace.c:132 [] show_stack+0x30/0x3c arch/riscv/kernel/stacktrace.c:138 [] __dump_stack lib/dump_stack.c:94 [inline] [] dump_stack_lvl+0x12e/0x1a6 lib/dump_stack.c:120 [] dump_stack+0x1c/0x24 lib/dump_stack.c:129 [] __cant_migrate kernel/sched/core.c:8860 [inline] [] __cant_migrate+0x200/0x260 kernel/sched/core.c:8834 [] __bpf_prog_run include/linux/filter.h:703 [inline] [] bpf_prog_run include/linux/filter.h:725 [inline] [] nf_hook_run_bpf+0x96/0x232 net/netfilter/nf_bpf_link.c:20 [] nf_hook_entry_hookfn include/linux/netfilter.h:157 [inline] [] nf_hook_slow+0xb8/0x1ec net/netfilter/core.c:623 [] nf_hook include/linux/netfilter.h:272 [inline] [] NF_HOOK include/linux/netfilter.h:315 [inline] [] ip_mc_output+0x476/0x1018 net/ipv4/ip_output.c:399 [] dst_output include/net/dst.h:459 [inline] [] ip_local_out net/ipv4/ip_output.c:129 [inline] [] ip_send_skb+0xc8/0x342 net/ipv4/ip_output.c:1502 [] udp_send_skb+0x686/0x1680 net/ipv4/udp.c:1197 [] udp_sendmsg+0x18ca/0x2b34 net/ipv4/udp.c:1485 [] inet_sendmsg+0x9c/0xda net/ipv4/af_inet.c:851 [] sock_sendmsg_nosec net/socket.c:712 [inline] [] __sock_sendmsg+0xcc/0x160 net/socket.c:727 [] __sys_sendto+0x27a/0x34e net/socket.c:2180 [] __do_sys_sendto net/socket.c:2187 [inline] [] __se_sys_sendto net/socket.c:2183 [inline] [] __riscv_sys_sendto+0xc0/0x158 net/socket.c:2183 [] syscall_handler+0x94/0x118 arch/riscv/include/asm/syscall.h:112 [] do_trap_ecall_u+0x396/0x530 arch/riscv/kernel/traps.c:341 [] handle_exception+0x146/0x152 arch/riscv/kernel/entry.S:197