program:
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./file0\x00', 0x0)
r0 = socket$inet6(0xa, 0x6, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet6_udp(0xa, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000040)={'lo\x00'})
bind$inet6(r0, &(0x7f0000000180)={0xa, 0x4e20, 0x0, @empty}, 0x1c)
r2 = socket$inet_dccp(0x2, 0x6, 0x0)
listen(r0, 0x5)
r3 = accept4(r0, 0x0, 0x0, 0x80800)
connect$inet(r2, &(0x7f0000000000)={0x2, 0x4e20, @dev}, 0x10)
sendto$l2tp(r3, 0x0, 0x0, 0x4, 0x0, 0x0)
sendmmsg(r2, &(0x7f0000002980), 0x400000000000239, 0x0)
sendmsg$xdp(r3, &(0x7f0000000480)={&(0x7f0000000080)={0x2c, 0x8, 0x0, 0x16}, 0x10, &(0x7f00000005c0)=[{&(0x7f00000002c0)="d12aa4792ca4095aeab7e67cdcd7ea65a837b726a5543aa030221b70313fccee068cd06d294520edeef71162fef0296d8dfea6ae6f8550b1fea9926fd9af49805889a0d1525dfa1fde4f0e37c9cee693e1299ccd30b2ecc8ce7fd5bbf232652cc4a9b2d778337f766af219c491ea7bbcf755afb0b090d9b06bae1d058e7cf075cc1ed0092234deb586a469e8624e830e4e67e2759a2d052d7cb1a0fab56303adb446b7d4b69f69d2ac8314f9a6280dbe315da632de92fc45528da98e1a9b17", 0xbf}, {&(0x7f0000000100)="577d66447fdc71f09214285ab9340d498913d4fbbbccffdb24b9fb223bc032b7d6d2056e0b84d66db4804a499a97b35e810d6ecbd37d4732bb77c60f46640c7b4536125db95148ad773e03e18305", 0x4e}, {&(0x7f0000000380)="45255517209c1a979054088c7594d1b6f215ae8e5008a60e595aa40870cd25870978f524fff5f1f9fb8422b8c15a8a13bf18a188ff6bd807bee75540e9d340ca68c348f981d66c266507abaecb607f9f6a5514b20a0adba1c080bf323c9bd72bf6f1b337d3a98c2809f5d7b907cb4794db81c746a9a303ed393fe8294d0885a625b8f4aefdce4463aa209300621e16d2b405a0ee22aeb92c58b195a3dd6efaef2b69543134f6e98225059f9af0e41e", 0xaf}, {&(0x7f0000000540)="2ed982b3c49d538950cd9b5295da966bc9a6725367dfe61d333e7954addb0ae1dd15ddd4f3853da85619f3ce8f8994d234f5b90c288f36e0bb8c68c9cf328ffaa67e2690fb8a1788a875b19c1ca46d6b298930b89fd144", 0x57}, {&(0x7f0000001300)="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0xf80}, {&(0x7f0000000240)="ffa1a068372a88ccae", 0x9}, {&(0x7f0000002300)="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", 0x1000}], 0x7, 0x0, 0x0, 0x4040081}, 0x0) (fail_nth: 15)
mount$bind(&(0x7f00000004c0)='./file0/file0\x00', &(0x7f0000000500)='./file0/../file0\x00', 0x0, 0x2000, 0x0)
[ 70.714956][ T5311] Bluetooth: hci0: command tx timeout
[ 70.857683][ T5327] FAULT_INJECTION: forcing a failure.
[ 70.857683][ T5327] name failslab, interval 1, probability 0, space 0, times 1
[ 70.863987][ T5327] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.14.0-rc2-syzkaller #0
[ 70.864007][ T5327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 70.864016][ T5327] Call Trace:
[ 70.864023][ T5327]
[ 70.864030][ T5327] dump_stack_lvl+0x241/0x360
[ 70.864148][ T5327] ? __pfx_dump_stack_lvl+0x10/0x10
[ 70.864161][ T5327] ? __pfx__printk+0x10/0x10
[ 70.864182][ T5327] ? __kmalloc_cache_noprof+0x48/0x390
[ 70.864198][ T5327] ? __pfx___might_resched+0x10/0x10
[ 70.864212][ T5327] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 70.864233][ T5327] should_fail_ex+0x40a/0x550
[ 70.864281][ T5327] should_failslab+0xac/0x100
[ 70.864295][ T5327] __kmalloc_cache_noprof+0x70/0x390
[ 70.864307][ T5327] ? dccp_feat_entry_new+0x173/0x3a0
[ 70.864354][ T5327] dccp_feat_entry_new+0x173/0x3a0
[ 70.864373][ T5327] dccp_feat_parse_options+0xeac/0x2c40
[ 70.864392][ T5327] ? __pfx_dccp_feat_parse_options+0x10/0x10
[ 70.864405][ T5327] ? __kmalloc_cache_noprof+0x243/0x390
[ 70.864417][ T5327] ? dccp_ackvec_parsed_add+0x5c/0x1d0
[ 70.864437][ T5327] dccp_parse_options+0x13bd/0x2670
[ 70.864467][ T5327] dccp_rcv_established+0x55/0x320
[ 70.864484][ T5327] dccp_v4_do_rcv+0xff/0x1f0
[ 70.864503][ T5327] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 70.864518][ T5327] __release_sock+0x243/0x350
[ 70.864539][ T5327] release_sock+0x61/0x1f0
[ 70.864557][ T5327] dccp_sendmsg+0x4f0/0xb90
[ 70.864574][ T5327] ? __pfx_dccp_sendmsg+0x10/0x10
[ 70.864585][ T5327] ? sock_rps_record_flow+0x1a/0x400
[ 70.864602][ T5327] ? inet_sendmsg+0x330/0x390
[ 70.864617][ T5327] __sock_sendmsg+0x1a6/0x270
[ 70.864641][ T5327] ____sys_sendmsg+0x52a/0x7e0
[ 70.864659][ T5327] ? __pfx_____sys_sendmsg+0x10/0x10
[ 70.864669][ T5327] ? __fget_files+0x2a/0x410
[ 70.864685][ T5327] ? __fget_files+0x2a/0x410
[ 70.864703][ T5327] __sys_sendmsg+0x269/0x350
[ 70.864719][ T5327] ? __pfx___sys_sendmsg+0x10/0x10
[ 70.864761][ T5327] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 70.864779][ T5327] ? do_syscall_64+0x100/0x230
[ 70.864798][ T5327] ? do_syscall_64+0xb6/0x230
[ 70.864816][ T5327] do_syscall_64+0xf3/0x230
[ 70.864832][ T5327] ? clear_bhb_loop+0x35/0x90
[ 70.864852][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 70.864867][ T5327] RIP: 0033:0x7ff68798cde9
[ 70.864882][ T5327] 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
[ 70.864891][ T5327] RSP: 002b:00007ff688881038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 70.864907][ T5327] RAX: ffffffffffffffda RBX: 00007ff687ba5fa0 RCX: 00007ff68798cde9
[ 70.864915][ T5327] RDX: 0000000000000000 RSI: 0000400000000480 RDI: 0000000000000007
[ 70.864923][ T5327] RBP: 00007ff688881090 R08: 0000000000000000 R09: 0000000000000000
[ 70.864930][ T5327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 70.864936][ T5327] R13: 0000000000000000 R14: 00007ff687ba5fa0 R15: 00007fff387463c8
[ 70.864955][ T5327]
[ 70.865150][ T5327] dccp_parse_options: DCCP(ffff88803f3f2100): Option 32 (len=7) error=9
[ 71.012646][ T5327] ==================================================================
[ 71.015869][ T5327] BUG: KASAN: slab-use-after-free in ccid2_hc_tx_packet_recv+0x1902/0x2070
[ 71.019331][ T5327] Read of size 1 at addr ffff888053057494 by task syz.0.0/5327
[ 71.022848][ T5327]
[ 71.023801][ T5327] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.14.0-rc2-syzkaller #0
[ 71.023816][ T5327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 71.023823][ T5327] Call Trace:
[ 71.023830][ T5327]
[ 71.023836][ T5327] dump_stack_lvl+0x241/0x360
[ 71.023854][ T5327] ? __pfx_dump_stack_lvl+0x10/0x10
[ 71.023865][ T5327] ? __pfx__printk+0x10/0x10
[ 71.023881][ T5327] ? _printk+0xd5/0x120
[ 71.023896][ T5327] ? __virt_addr_valid+0x183/0x530
[ 71.023912][ T5327] ? __virt_addr_valid+0x183/0x530
[ 71.023927][ T5327] print_report+0x169/0x550
[ 71.023943][ T5327] ? __virt_addr_valid+0x183/0x530
[ 71.023957][ T5327] ? __virt_addr_valid+0x183/0x530
[ 71.023971][ T5327] ? __virt_addr_valid+0x45f/0x530
[ 71.023985][ T5327] ? __phys_addr+0xba/0x170
[ 71.023999][ T5327] ? ccid2_hc_tx_packet_recv+0x1902/0x2070
[ 71.024013][ T5327] kasan_report+0x143/0x180
[ 71.024028][ T5327] ? ccid2_hc_tx_packet_recv+0x1902/0x2070
[ 71.024041][ T5327] ccid2_hc_tx_packet_recv+0x1902/0x2070
[ 71.024059][ T5327] ? dccp_ackvec_input+0x1d5/0xf60
[ 71.024071][ T5327] ? ccid2_hc_rx_packet_recv+0xfd/0x1c0
[ 71.024082][ T5327] ? __pfx_ccid2_hc_tx_packet_recv+0x10/0x10
[ 71.024094][ T5327] dccp_rcv_established+0x295/0x320
[ 71.024108][ T5327] dccp_v4_do_rcv+0xff/0x1f0
[ 71.024123][ T5327] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 71.024137][ T5327] __release_sock+0x243/0x350
[ 71.024152][ T5327] release_sock+0x61/0x1f0
[ 71.024167][ T5327] dccp_sendmsg+0x4f0/0xb90
[ 71.024179][ T5327] ? __pfx_dccp_sendmsg+0x10/0x10
[ 71.024189][ T5327] ? sock_rps_record_flow+0x1a/0x400
[ 71.024202][ T5327] ? inet_sendmsg+0x330/0x390
[ 71.024213][ T5327] __sock_sendmsg+0x1a6/0x270
[ 71.024227][ T5327] ____sys_sendmsg+0x52a/0x7e0
[ 71.024240][ T5327] ? __pfx_____sys_sendmsg+0x10/0x10
[ 71.024249][ T5327] ? __fget_files+0x2a/0x410
[ 71.024262][ T5327] ? __fget_files+0x2a/0x410
[ 71.024274][ T5327] __sys_sendmsg+0x269/0x350
[ 71.024286][ T5327] ? __pfx___sys_sendmsg+0x10/0x10
[ 71.024305][ T5327] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 71.024321][ T5327] ? do_syscall_64+0x100/0x230
[ 71.024338][ T5327] ? do_syscall_64+0xb6/0x230
[ 71.024352][ T5327] do_syscall_64+0xf3/0x230
[ 71.024366][ T5327] ? clear_bhb_loop+0x35/0x90
[ 71.024381][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.024395][ T5327] RIP: 0033:0x7ff68798cde9
[ 71.024406][ T5327] 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
[ 71.024416][ T5327] RSP: 002b:00007ff688881038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 71.024430][ T5327] RAX: ffffffffffffffda RBX: 00007ff687ba5fa0 RCX: 00007ff68798cde9
[ 71.024437][ T5327] RDX: 0000000000000000 RSI: 0000400000000480 RDI: 0000000000000007
[ 71.024444][ T5327] RBP: 00007ff688881090 R08: 0000000000000000 R09: 0000000000000000
[ 71.024451][ T5327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 71.024457][ T5327] R13: 0000000000000000 R14: 00007ff687ba5fa0 R15: 00007fff387463c8
[ 71.024468][ T5327]
[ 71.024472][ T5327]
[ 71.149735][ T5327] Allocated by task 5327:
[ 71.151507][ T5327] kasan_save_track+0x3f/0x80
[ 71.153497][ T5327] __kasan_kmalloc+0x98/0xb0
[ 71.155915][ T5327] __kmalloc_node_track_caller_noprof+0x28b/0x4c0
[ 71.158594][ T5327] kmalloc_reserve+0x111/0x2a0
[ 71.160482][ T5327] __alloc_skb+0x1f3/0x440
[ 71.162142][ T5327] dccp_send_ack+0xaa/0x310
[ 71.163786][ T5327] ccid2_hc_rx_packet_recv+0x10c/0x1c0
[ 71.165908][ T5327] dccp_rcv_established+0x1bb/0x320
[ 71.168052][ T5327] dccp_v4_do_rcv+0xff/0x1f0
[ 71.170059][ T5327] __sk_receive_skb+0x82b/0x8b0
[ 71.172342][ T5327] ip_protocol_deliver_rcu+0x2e9/0x440
[ 71.174830][ T5327] ip_local_deliver_finish+0x341/0x5f0
[ 71.177245][ T5327] NF_HOOK+0x3a4/0x450
[ 71.178770][ T5327] NF_HOOK+0x3a4/0x450
[ 71.180387][ T5327] __netif_receive_skb+0x2bf/0x650
[ 71.182503][ T5327] process_backlog+0x662/0x15b0
[ 71.184290][ T5327] __napi_poll+0xcb/0x490
[ 71.185919][ T5327] net_rx_action+0x89b/0x1240
[ 71.187668][ T5327] handle_softirqs+0x2d4/0x9b0
[ 71.189466][ T5327] do_softirq+0x11b/0x1e0
[ 71.191341][ T5327] __local_bh_enable_ip+0x1bb/0x200
[ 71.194014][ T5327] __dev_queue_xmit+0x1775/0x3f50
[ 71.196603][ T5327] ip_finish_output2+0xd76/0x12b0
[ 71.198535][ T5327] __ip_queue_xmit+0x1258/0x1d50
[ 71.200481][ T5327] dccp_transmit_skb+0xf65/0x16f0
[ 71.202360][ T5327] dccp_xmit_packet+0x376/0x610
[ 71.204245][ T5327] dccp_write_xmit+0x138/0x220
[ 71.206058][ T5327] dccp_sendmsg+0x76f/0xb90
[ 71.207833][ T5327] __sock_sendmsg+0x1a6/0x270
[ 71.209882][ T5327] ____sys_sendmsg+0x52a/0x7e0
[ 71.211899][ T5327] __sys_sendmsg+0x269/0x350
[ 71.214107][ T5327] do_syscall_64+0xf3/0x230
[ 71.216147][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.218646][ T5327]
[ 71.219555][ T5327] Freed by task 5327:
[ 71.220976][ T5327] kasan_save_track+0x3f/0x80
[ 71.222806][ T5327] kasan_save_free_info+0x40/0x50
[ 71.224705][ T5327] __kasan_slab_free+0x59/0x70
[ 71.226584][ T5327] kfree+0x196/0x430
[ 71.228171][ T5327] skb_release_data+0x6a0/0x8a0
[ 71.230155][ T5327] sk_skb_reason_drop+0x1c9/0x380
[ 71.232312][ T5327] dccp_v4_do_rcv+0x145/0x1f0
[ 71.234235][ T5327] __release_sock+0x243/0x350
[ 71.236059][ T5327] release_sock+0x61/0x1f0
[ 71.237691][ T5327] dccp_sendmsg+0x4f0/0xb90
[ 71.239151][ T5327] __sock_sendmsg+0x1a6/0x270
[ 71.241094][ T5327] ____sys_sendmsg+0x52a/0x7e0
[ 71.243188][ T5327] __sys_sendmsg+0x269/0x350
[ 71.245270][ T5327] do_syscall_64+0xf3/0x230
[ 71.247126][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.249247][ T5327]
[ 71.250147][ T5327] The buggy address belongs to the object at ffff888053057000
[ 71.250147][ T5327] which belongs to the cache kmalloc-2k of size 2048
[ 71.255416][ T5327] The buggy address is located 1172 bytes inside of
[ 71.255416][ T5327] freed 2048-byte region [ffff888053057000, ffff888053057800)
[ 71.261606][ T5327]
[ 71.262604][ T5327] The buggy address belongs to the physical page:
[ 71.264986][ T5327] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x53050
[ 71.268090][ T5327] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 71.271274][ T5327] flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff)
[ 71.274332][ T5327] page_type: f5(slab)
[ 71.276523][ T5327] raw: 04fff00000000040 ffff88801ac42000 dead000000000122 0000000000000000
[ 71.280914][ T5327] raw: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
[ 71.284146][ T5327] head: 04fff00000000040 ffff88801ac42000 dead000000000122 0000000000000000
[ 71.287261][ T5327] head: 0000000000000000 0000000000080008 00000000f5000000 0000000000000000
[ 71.290545][ T5327] head: 04fff00000000003 ffffea00014c1401 ffffffffffffffff 0000000000000000
[ 71.293790][ T5327] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000
[ 71.297327][ T5327] page dumped because: kasan: bad access detected
[ 71.300409][ T5327] page_owner tracks the page as allocated
[ 71.303324][ T5327] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5327, tgid 5326 (syz.0.0), ts 70854912342, free_ts 0
[ 71.310762][ T5327] post_alloc_hook+0x1f4/0x240
[ 71.312655][ T5327] get_page_from_freelist+0x365c/0x37a0
[ 71.314574][ T5327] __alloc_frozen_pages_noprof+0x292/0x710
[ 71.317110][ T5327] alloc_pages_mpol+0x311/0x660
[ 71.318939][ T5327] allocate_slab+0x8f/0x3a0
[ 71.320772][ T5327] ___slab_alloc+0xc27/0x14a0
[ 71.322677][ T5327] __slab_alloc+0x58/0xa0
[ 71.324305][ T5327] __kmalloc_node_track_caller_noprof+0x2e9/0x4c0
[ 71.326748][ T5327] kmalloc_reserve+0x111/0x2a0
[ 71.328554][ T5327] __alloc_skb+0x1f3/0x440
[ 71.330269][ T5327] dccp_send_ack+0xaa/0x310
[ 71.332001][ T5327] ccid2_hc_rx_packet_recv+0x10c/0x1c0
[ 71.333979][ T5327] dccp_rcv_established+0x1bb/0x320
[ 71.336209][ T5327] dccp_v4_do_rcv+0xff/0x1f0
[ 71.337831][ T5327] __sk_receive_skb+0x82b/0x8b0
[ 71.339640][ T5327] ip_protocol_deliver_rcu+0x2e9/0x440
[ 71.341900][ T5327] page_owner free stack trace missing
[ 71.343954][ T5327]
[ 71.344860][ T5327] Memory state around the buggy address:
[ 71.347039][ T5327] ffff888053057380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 71.350230][ T5327] ffff888053057400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 71.353950][ T5327] >ffff888053057480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 71.357121][ T5327] ^
[ 71.358895][ T5327] ffff888053057500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 71.361934][ T5327] ffff888053057580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 71.364771][ T5327] ==================================================================
[ 71.403085][ T5327] Kernel panic - not syncing: KASAN: panic_on_warn set ...
[ 71.406272][ T5327] CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.14.0-rc2-syzkaller #0
[ 71.410420][ T5327] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
[ 71.414601][ T5327] Call Trace:
[ 71.415877][ T5327]
[ 71.417044][ T5327] dump_stack_lvl+0x241/0x360
[ 71.419011][ T5327] ? __pfx_dump_stack_lvl+0x10/0x10
[ 71.421099][ T5327] ? __pfx__printk+0x10/0x10
[ 71.422914][ T5327] ? preempt_schedule+0xe1/0xf0
[ 71.424962][ T5327] ? vscnprintf+0x5d/0x90
[ 71.426825][ T5327] panic+0x349/0x880
[ 71.428736][ T5327] ? check_panic_on_warn+0x21/0xb0
[ 71.430734][ T5327] ? __pfx_panic+0x10/0x10
[ 71.432494][ T5327] ? _raw_spin_unlock_irqrestore+0x130/0x140
[ 71.434758][ T5327] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[ 71.437547][ T5327] ? print_report+0x502/0x550
[ 71.439443][ T5327] check_panic_on_warn+0x86/0xb0
[ 71.441509][ T5327] ? ccid2_hc_tx_packet_recv+0x1902/0x2070
[ 71.443788][ T5327] end_report+0x77/0x160
[ 71.445405][ T5327] kasan_report+0x154/0x180
[ 71.447004][ T5327] ? ccid2_hc_tx_packet_recv+0x1902/0x2070
[ 71.449309][ T5327] ccid2_hc_tx_packet_recv+0x1902/0x2070
[ 71.451496][ T5327] ? dccp_ackvec_input+0x1d5/0xf60
[ 71.453451][ T5327] ? ccid2_hc_rx_packet_recv+0xfd/0x1c0
[ 71.455775][ T5327] ? __pfx_ccid2_hc_tx_packet_recv+0x10/0x10
[ 71.458126][ T5327] dccp_rcv_established+0x295/0x320
[ 71.460276][ T5327] dccp_v4_do_rcv+0xff/0x1f0
[ 71.462465][ T5327] ? __pfx_dccp_v4_do_rcv+0x10/0x10
[ 71.464839][ T5327] __release_sock+0x243/0x350
[ 71.466757][ T5327] release_sock+0x61/0x1f0
[ 71.468564][ T5327] dccp_sendmsg+0x4f0/0xb90
[ 71.470431][ T5327] ? __pfx_dccp_sendmsg+0x10/0x10
[ 71.472724][ T5327] ? sock_rps_record_flow+0x1a/0x400
[ 71.475420][ T5327] ? inet_sendmsg+0x330/0x390
[ 71.477763][ T5327] __sock_sendmsg+0x1a6/0x270
[ 71.479835][ T5327] ____sys_sendmsg+0x52a/0x7e0
[ 71.481665][ T5327] ? __pfx_____sys_sendmsg+0x10/0x10
[ 71.483647][ T5327] ? __fget_files+0x2a/0x410
[ 71.485432][ T5327] ? __fget_files+0x2a/0x410
[ 71.487244][ T5327] __sys_sendmsg+0x269/0x350
[ 71.489072][ T5327] ? __pfx___sys_sendmsg+0x10/0x10
[ 71.491312][ T5327] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 71.494457][ T5327] ? do_syscall_64+0x100/0x230
[ 71.496932][ T5327] ? do_syscall_64+0xb6/0x230
[ 71.498882][ T5327] do_syscall_64+0xf3/0x230
[ 71.500869][ T5327] ? clear_bhb_loop+0x35/0x90
[ 71.502647][ T5327] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 71.504975][ T5327] RIP: 0033:0x7ff68798cde9
[ 71.506717][ T5327] 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
[ 71.514102][ T5327] RSP: 002b:00007ff688881038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 71.517928][ T5327] RAX: ffffffffffffffda RBX: 00007ff687ba5fa0 RCX: 00007ff68798cde9
[ 71.521612][ T5327] RDX: 0000000000000000 RSI: 0000400000000480 RDI: 0000000000000007
[ 71.524865][ T5327] RBP: 00007ff688881090 R08: 0000000000000000 R09: 0000000000000000
[ 71.527805][ T5327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
[ 71.530803][ T5327] R13: 0000000000000000 R14: 00007ff687ba5fa0 R15: 00007fff387463c8
[ 71.533840][ T5327]
[ 71.535453][ T5327] Kernel Offset: disabled
[ 71.537174][ T5327] Rebooting in 86400 seconds..