BUG: assuming non migratable context at include/linux/filter.h:599
in_atomic(): 0, irqs_disabled(): 0, migration_disabled() 0 pid: 22298, name: syz.2.3778
3 locks held by syz.2.3778/22298:
 #0: ffff888020b6e930 (sk_lock-AF_INET6){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1731 [inline]
 #0: ffff888020b6e930 (sk_lock-AF_INET6){+.+.}-{0:0}, at: tcp_sendmsg+0x21/0x50 net/ipv4/tcp.c:1343
 #1: ffffffff8cd2fba0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
 #1: ffffffff8cd2fba0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:786 [inline]
 #1: ffffffff8cd2fba0 (rcu_read_lock){....}-{1:2}, at: __ip_queue_xmit+0x5c/0x1a00 net/ipv4/ip_output.c:470
 #2: ffffffff8cd2fba0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:334 [inline]
 #2: ffffffff8cd2fba0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:786 [inline]
 #2: ffffffff8cd2fba0 (rcu_read_lock){....}-{1:2}, at: nf_hook+0x9e/0x370 include/linux/netfilter.h:228
CPU: 0 PID: 22298 Comm: syz.2.3778 Not tainted 6.6.101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x16c/0x230 lib/dump_stack.c:106
 __cant_migrate+0x234/0x2e0 kernel/sched/core.c:10269
 __bpf_prog_run include/linux/filter.h:599 [inline]
 bpf_prog_run include/linux/filter.h:619 [inline]
 nf_hook_run_bpf+0x90/0x1e0 net/netfilter/nf_bpf_link.c:20
 nf_hook_entry_hookfn include/linux/netfilter.h:144 [inline]
 nf_hook_slow+0xbd/0x200 net/netfilter/core.c:626
 nf_hook+0x215/0x370 include/linux/netfilter.h:259
 NF_HOOK_COND include/linux/netfilter.h:292 [inline]
 ip_output+0x16c/0x210 net/ipv4/ip_output.c:433
 dst_output include/net/dst.h:467 [inline]
 ip_local_out net/ipv4/ip_output.c:129 [inline]
 __ip_queue_xmit+0x1094/0x1a00 net/ipv4/ip_output.c:535
 __tcp_transmit_skb+0x1c97/0x32a0 net/ipv4/tcp_output.c:1422
 tcp_transmit_skb net/ipv4/tcp_output.c:1440 [inline]
 tcp_write_xmit+0x14ee/0x6270 net/ipv4/tcp_output.c:2767
 __tcp_push_pending_frames+0x97/0x340 net/ipv4/tcp_output.c:2952
 tcp_sendmsg_locked+0x4286/0x4af0 net/ipv4/tcp.c:1312
 tcp_sendmsg+0x2f/0x50 net/ipv4/tcp.c:1344
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 sock_write_iter+0x2bb/0x3f0 net/socket.c:1160
 call_write_iter include/linux/fs.h:2018 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x43b/0x940 fs/read_write.c:584
 ksys_write+0x147/0x250 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7ffa9cf8eb69
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:00007ffa9ddca038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ffa9d1b5fa0 RCX: 00007ffa9cf8eb69
RDX: 0000000000000012 RSI: 0000200000000080 RDI: 0000000000000004
RBP: 00007ffa9d011df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffa9d1b5fa0 R15: 00007ffe119d4c58
 </TASK>