RBP: 00007ffcc15f9910 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.19.38 #6 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:flex_array_get+0x2d/0x260 lib/flex_array.c:320 Code: e5 41 57 41 56 41 55 41 54 41 89 f4 53 48 89 fb 48 83 ec 08 e8 b4 4f 49 fe 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e c2 01 00 00 44 8b 33 31 ff 44 RSP: 0018:ffff8880ae907360 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff867036c9 RDX: 0000000000000000 RSI: ffffffff8322203c RDI: 0000000000000000 RBP: ffff8880ae907390 R08: ffff8880aa2703c0 R09: 0000000000000003 R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000000 R13: ffff88808a691160 R14: 0000000000000000 R15: ffff88809fefa300 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 000000008ea3c000 CR4: 00000000001406e0 Call Trace: sctp_stream_out include/net/sctp/structs.h:1471 [inline] sctp_sched_dequeue_done+0x20d/0x2f0 net/sctp/stream_sched.c:255 __sctp_outq_teardown+0x6ef/0xc60 net/sctp/outqueue.c:267 sctp_outq_free+0x16/0x20 net/sctp/outqueue.c:291 sctp_association_free+0x208/0x79a net/sctp/associola.c:360 sctp_cmd_delete_tcb net/sctp/sm_sideeffect.c:939 [inline] sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1353 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1220 [inline] sctp_do_sm+0x2a79/0x5780 net/sctp/sm_sideeffect.c:1191 sctp_assoc_bh_rcv+0x343/0x660 net/sctp/associola.c:1072 sctp_inq_push+0x1ea/0x290 net/sctp/inqueue.c:95 sctp_rcv+0x27f2/0x3430 net/sctp/input.c:268 ip_local_deliver_finish+0x284/0xc60 net/ipv4/ip_input.c:215 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] ip_local_deliver+0x1e9/0x520 net/ipv4/ip_input.c:256 dst_input include/net/dst.h:450 [inline] ip_rcv_finish+0x1e1/0x300 net/ipv4/ip_input.c:414 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] ip_rcv+0xe8/0x3f0 net/ipv4/ip_input.c:524 __netif_receive_skb_one_core+0x115/0x1a0 net/core/dev.c:4932 __netif_receive_skb+0x2c/0x1d0 net/core/dev.c:5044 process_backlog+0x206/0x750 net/core/dev.c:5855 napi_poll net/core/dev.c:6278 [inline] net_rx_action+0x4fa/0x1070 net/core/dev.c:6344 __do_softirq+0x266/0x92f kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x14a/0x570 arch/x86/kernel/apic/apic.c:1056 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:867 RIP: 0010:native_safe_halt+0x2/0x10 arch/x86/include/asm/irqflags.h:58 Code: ff ff ff 48 89 c7 48 89 45 d8 e8 d9 3d b1 fa 48 8b 45 d8 e9 ce fe ff ff 48 89 df e8 c8 3d b1 fa eb 82 90 90 90 90 90 90 fb f4 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 f4 c3 90 90 90 90 90 90 RSP: 0018:ffff8880aa27fd00 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff10e466c RBX: ffff8880aa2703c0 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880aa270c3c RBP: ffff8880aa27fd30 R08: ffff8880aa2703c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 R13: ffffffff88723350 R14: 0000000000000001 R15: 0000000000000000 arch_cpu_idle+0x10/0x20 arch/x86/kernel/process.c:556 default_idle_call+0x36/0x90 kernel/sched/idle.c:93 cpuidle_idle_call kernel/sched/idle.c:153 [inline] do_idle+0x377/0x560 kernel/sched/idle.c:262 cpu_startup_entry+0xc8/0xe0 kernel/sched/idle.c:368 start_secondary+0x404/0x5c0 arch/x86/kernel/smpboot.c:271 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243 Modules linked in: ---[ end trace f881514b8fa8b549 ]--- RIP: 0010:flex_array_get+0x2d/0x260 lib/flex_array.c:320 Code: e5 41 57 41 56 41 55 41 54 41 89 f4 53 48 89 fb 48 83 ec 08 e8 b4 4f 49 fe 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e c2 01 00 00 44 8b 33 31 ff 44 RSP: 0018:ffff8880ae907360 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff867036c9 RDX: 0000000000000000 RSI: ffffffff8322203c RDI: 0000000000000000 RBP: ffff8880ae907390 R08: ffff8880aa2703c0 R09: 0000000000000003 R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000000 R13: ffff88808a691160 R14: 0000000000000000 R15: ffff88809fefa300 FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000040 CR3: 000000008ea3c000 CR4: 00000000001406e0