------------[ cut here ]------------ WARNING: CPU: 0 PID: 22978 at net/core/stream.c:207 sk_stream_kill_queues+0x3c3/0x530 net/core/stream.c:207 Modules linked in: CPU: 0 PID: 22978 Comm: kworker/u4:1 Not tainted 5.12.0-rc4-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:sk_stream_kill_queues+0x3c3/0x530 net/core/stream.c:207 Code: 00 00 00 fc ff df 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 63 01 00 00 8b ab 20 02 00 00 e9 60 ff ff ff e8 0d cf 79 fa <0f> 0b eb 97 e8 04 cf 79 fa 0f 0b eb a0 e8 fb ce 79 fa 0f 0b e9 a5 RSP: 0018:ffffc90000007b08 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00000000fffffe80 RCX: 0000000000000100 RDX: ffff888012031c40 RSI: ffffffff86fa22c3 RDI: 0000000000000003 RBP: 0000000000000180 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff86fa225a R11: 0000000000000000 R12: ffff888024ae3ce0 R13: ffffffff901c9d20 R14: ffff888024ae3ae8 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004e4a62 CR3: 0000000050e26000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inet_csk_destroy_sock+0x1a5/0x490 net/ipv4/inet_connection_sock.c:889 tcp_done+0x240/0x340 net/ipv4/tcp.c:4406 tcp_write_err net/ipv4/tcp_timer.c:74 [inline] tcp_write_timeout net/ipv4/tcp_timer.c:276 [inline] tcp_retransmit_timer+0x2209/0x3410 net/ipv4/tcp_timer.c:512 tcp_write_timer_handler+0x5b2/0xae0 net/ipv4/tcp_timer.c:622 tcp_write_timer+0xa2/0x2b0 net/ipv4/tcp_timer.c:642 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1431 expire_timers kernel/time/timer.c:1476 [inline] __run_timers.part.0+0x67c/0xa50 kernel/time/timer.c:1745 __run_timers kernel/time/timer.c:1726 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1758 __do_softirq+0x29b/0x9f6 kernel/softirq.c:345 invoke_softirq kernel/softirq.c:221 [inline] __irq_exit_rcu kernel/softirq.c:422 [inline] irq_exit_rcu+0x134/0x200 kernel/softirq.c:434 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:632 RIP: 0010:arch_atomic_read arch/x86/include/asm/atomic.h:29 [inline] RIP: 0010:rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:326 [inline] RIP: 0010:rcu_is_watching+0x63/0xc0 kernel/rcu/tree.c:1169 Code: 80 3c 02 00 75 5b 48 03 1c ed e0 66 0a 8b 48 b8 00 00 00 00 00 fc ff df 48 8d bb 48 01 00 00 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1f 8b 83 48 01 00 RSP: 0018:ffffc9000165fc78 EFLAGS: 00000a06 RAX: dffffc0000000000 RBX: ffff8880b9c35fc0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880b9c36108 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff88a3e359 R11: 0000000000000000 R12: ffffc9000165fda8 R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000381 rcu_read_unlock include/linux/rcupdate.h:706 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline] batadv_nc_worker+0xa6d/0xe50 net/batman-adv/network-coding.c:715 process_one_work+0x98d/0x1600 kernel/workqueue.c:2275 worker_thread+0x64c/0x1120 kernel/workqueue.c:2421 kthread+0x3b1/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294