------------[ cut here ]------------ WARNING: CPU: 0 PID: 11 at include/net/tcp.h:1219 tcp_snd_cwnd_set include/net/tcp.h:1219 [inline] WARNING: CPU: 0 PID: 11 at include/net/tcp.h:1219 tcp_mtup_probe_success net/ipv4/tcp_input.c:2712 [inline] WARNING: CPU: 0 PID: 11 at include/net/tcp.h:1219 tcp_clean_rtx_queue net/ipv4/tcp_input.c:3356 [inline] WARNING: CPU: 0 PID: 11 at include/net/tcp.h:1219 tcp_ack+0x541e/0x58f0 net/ipv4/tcp_input.c:3861 Modules linked in: CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 5.18.0-syzkaller-11972-gd1dc87763f40 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy10 ieee80211_iface_work RIP: 0010:tcp_snd_cwnd_set include/net/tcp.h:1219 [inline] RIP: 0010:tcp_mtup_probe_success net/ipv4/tcp_input.c:2712 [inline] RIP: 0010:tcp_clean_rtx_queue net/ipv4/tcp_input.c:3356 [inline] RIP: 0010:tcp_ack+0x541e/0x58f0 net/ipv4/tcp_input.c:3861 Code: dc d5 ff ff 48 8b 7c 24 78 e8 ee 84 ea f9 e9 a7 d5 ff ff 48 8b bc 24 88 00 00 00 e8 cc 84 ea f9 e9 1e d5 ff ff e8 a2 c4 9d f9 <0f> 0b e9 6e f4 ff ff 48 89 f7 e8 b3 84 ea f9 e9 7c cf ff ff 48 8b RSP: 0018:ffffc90000007690 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000100 RDX: ffff888010e73b00 RSI: ffffffff87dcbfae RDI: 0000000000000005 RBP: ffff888073dbedc0 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888073dbef84 R13: 0000000000001004 R14: ffff888073dbef88 R15: ffff888073dbe600 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556279708 CR3: 00000000317d3000 CR4: 0000000000350ef0 Call Trace: tcp_rcv_established+0x5e8/0x20e0 net/ipv4/tcp_input.c:5973 tcp_v6_do_rcv+0x810/0x13a0 net/ipv6/tcp_ipv6.c:1476 tcp_v6_rcv+0x2d5f/0x3790 net/ipv6/tcp_ipv6.c:1735 ip6_protocol_deliver_rcu+0x2e1/0x1930 net/ipv6/ip6_input.c:436 ip6_input_finish+0x14c/0x2c0 net/ipv6/ip6_input.c:481 NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] ip6_input+0x9c/0xd0 net/ipv6/ip6_input.c:490 dst_input include/net/dst.h:461 [inline] ip6_rcv_finish net/ipv6/ip6_input.c:76 [inline] NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] ipv6_rcv+0x27f/0x3b0 net/ipv6/ip6_input.c:306 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5478 __netif_receive_skb+0x24/0x1b0 net/core/dev.c:5592 process_backlog+0x3a0/0x7c0 net/core/dev.c:5920 __napi_poll+0xb3/0x6e0 net/core/dev.c:6486 napi_poll net/core/dev.c:6553 [inline] net_rx_action+0x9c1/0xd90 net/core/dev.c:6664 __do_softirq+0x29b/0x9c2 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:__zone_watermark_ok+0x23f/0x450 mm/page_alloc.c:3949 Code: 8b 85 70 01 00 00 48 39 d8 0f 84 e2 fe ff ff 48 83 c4 28 b8 01 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 48 83 c4 28 31 c0 5b <5d> 41 5c 41 5d 41 5e 41 5f c3 49 8d bd 90 06 00 00 be 08 00 00 00 RSP: 0018:ffffc90000107380 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000002 RCX: 1ffff11027fff5c8 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88813fffae40 RBP: 0000000000000002 R08: 0000000000000001 R09: fffffffffffffff9 R10: 0000000000000001 R11: 0000000000000100 R12: 0000000000000003 R13: ffff88813fffae00 R14: 0000000000000901 R15: 0000000000000000 zone_watermark_fast mm/page_alloc.c:3979 [inline] get_page_from_freelist+0x936/0x3b70 mm/page_alloc.c:4152 __alloc_pages+0x1c7/0x510 mm/page_alloc.c:5426 alloc_pages+0x1aa/0x310 mm/mempolicy.c:2272 alloc_slab_page mm/slub.c:1797 [inline] allocate_slab+0x26c/0x3c0 mm/slub.c:1942 new_slab mm/slub.c:2002 [inline] ___slab_alloc+0x985/0xd90 mm/slub.c:3002 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3089 slab_alloc_node mm/slub.c:3180 [inline] slab_alloc mm/slub.c:3222 [inline] kmem_cache_alloc_trace+0x310/0x3f0 mm/slub.c:3253 kmalloc include/linux/slab.h:600 [inline] kzalloc include/linux/slab.h:733 [inline] ieee802_11_parse_elems_crc+0xd5/0x1050 net/mac80211/util.c:1502 ieee802_11_parse_elems net/mac80211/ieee80211_i.h:2257 [inline] ieee80211_bss_info_update+0x42c/0xb00 net/mac80211/scan.c:212 ieee80211_rx_bss_info net/mac80211/ibss.c:1119 [inline] ieee80211_rx_mgmt_probe_beacon net/mac80211/ibss.c:1610 [inline] ieee80211_ibss_rx_queued_mgmt+0x1ab8/0x33f0 net/mac80211/ibss.c:1639 ieee80211_iface_process_skb net/mac80211/iface.c:1527 [inline] ieee80211_iface_work+0xa78/0xd10 net/mac80211/iface.c:1581 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:302 ---------------- Code disassembly (best guess): 0: 8b 85 70 01 00 00 mov 0x170(%rbp),%eax 6: 48 39 d8 cmp %rbx,%rax 9: 0f 84 e2 fe ff ff je 0xfffffef1 f: 48 83 c4 28 add $0x28,%rsp 13: b8 01 00 00 00 mov $0x1,%eax 18: 5b pop %rbx 19: 5d pop %rbp 1a: 41 5c pop %r12 1c: 41 5d pop %r13 1e: 41 5e pop %r14 20: 41 5f pop %r15 22: c3 retq 23: 48 83 c4 28 add $0x28,%rsp 27: 31 c0 xor %eax,%eax 29: 5b pop %rbx * 2a: 5d pop %rbp <-- trapping instruction 2b: 41 5c pop %r12 2d: 41 5d pop %r13 2f: 41 5e pop %r14 31: 41 5f pop %r15 33: c3 retq 34: 49 8d bd 90 06 00 00 lea 0x690(%r13),%rdi 3b: be 08 00 00 00 mov $0x8,%esi