ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:21318] Modules linked in: irq event stamp: 2957309 hardirqs last enabled at (2957308): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (2957309): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (4250): [] sk_flush_backlog include/net/sock.h:1037 [inline] softirqs last enabled at (4250): [] tcp_sendmsg_locked+0x2624/0x2f60 net/ipv4/tcp.c:1306 softirqs last disabled at (5985): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (5985): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 21318 Comm: syz-executor.2 Not tainted 4.19.202-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:write_comp_data+0x0/0x70 kernel/kcov.c:116 Code: 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 c3 0f 1f 84 00 00 00 00 00 <49> 89 f1 49 89 fa 65 48 8b 34 25 80 df 01 00 65 8b 05 1a 5c 9f 7e RSP: 0018:ffff8880ba0076d0 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000502 RBX: 0000000000000003 RCX: ffffffff870911ec RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000005 RBP: ffffffff895973c0 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000005 R13: 0000000000000005 R14: 0000000000000000 R15: ffffed1017400efd FS: 00007f054f8ad700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020038000 CR3: 00000002079c8000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sanitizer_cov_trace_switch+0x4b/0x80 kernel/kcov.c:224 fib6_walk_continue+0x10c/0x8d0 net/ipv6/ip6_fib.c:1884 fib6_walk+0x182/0x370 net/ipv6/ip6_fib.c:1970 fib6_clean_tree+0xc2/0x100 net/ipv6/ip6_fib.c:2047 __fib6_clean_all+0x11f/0x2a0 net/ipv6/ip6_fib.c:2063 fib6_clean_all net/ipv6/ip6_fib.c:2074 [inline] fib6_run_gc+0x110/0x2d0 net/ipv6/ip6_fib.c:2130 ip6_dst_gc+0x201/0x380 net/ipv6/route.c:2775 dst_alloc+0x14f/0x1a0 net/core/dst.c:101 ip6_dst_alloc+0x2e/0x100 net/ipv6/route.c:357 icmp6_dst_alloc+0x1ab/0x660 net/ipv6/route.c:2731 ndisc_send_skb+0xd10/0x1720 net/ipv6/ndisc.c:471 ndisc_send_rs+0x131/0x690 net/ipv6/ndisc.c:685 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:kmem_cache_alloc_node+0x149/0x3b0 mm/slab.c:3651 Code: 00 8b 15 66 e4 8e 09 4c 89 ee 4c 89 ff 21 da e8 dd 51 00 00 0f 1f 44 00 00 44 89 f2 4c 89 ee 48 89 ef e8 ca 51 00 00 8b 55 14 <48> 63 5d 74 4c 8b 7c 24 40 0f 1f 44 00 00 65 8b 05 12 88 69 7e 83 RSP: 0018:ffff888209ebf8e8 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 00000000d3e00206 RBX: 00000000006000c0 RCX: 0000000000000000 RDX: 0000000000000280 RSI: 000000000000000d RDI: 0000000000000000 RBP: ffff8880b59c33c0 R08: 00000000006000c0 R09: 0000000000000002 R10: 0000000002eb40a9 R11: 000000007cdcd5c2 R12: 00000000ffffffff R13: ffff88800e17a580 R14: 00000000006000c0 R15: ffff8880b59c33c0 __alloc_skb+0x71/0x560 net/core/skbuff.c:193 alloc_skb_fclone include/linux/skbuff.h:1037 [inline] sk_stream_alloc_skb+0xba/0x850 net/ipv4/tcp.c:884 tcp_sendmsg_locked+0xc0b/0x2f60 net/ipv4/tcp.c:1312 tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1462 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 sock_write_iter+0x287/0x3c0 net/socket.c:966 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665e9 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f054f8ad188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000300002 RSI: 0000000020000080 RDI: 0000000000000004 RBP: 00000000004bfcc4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffdbc5dcd9f R14: 00007f054f8ad300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 19706 Comm: kworker/u4:5 Not tainted 4.19.202-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy16 ieee80211_iface_work RIP: 0010:rt6_check_dev net/ipv6/route.c:593 [inline] RIP: 0010:rt6_score_route+0x8b/0xb70 net/ipv6/route.c:634 Code: 00 00 fc ff df 49 8d bd 08 01 00 00 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 03 0f 8e 2a 08 00 00 45 8b ad 08 01 00 00 <44> 89 e7 44 89 ee e8 ca 0f 5c fa 45 39 ec 0f 84 b1 00 00 00 e8 cc RSP: 0000:ffff8880ba107610 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000003 RCX: ffffffff87067345 RDX: 1ffff11045ecc1e1 RSI: ffffffff87067353 RDI: ffff88822f660f08 RBP: ffff88803defbb40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000de9 R13: 0000000000000889 R14: ffff88803defbb94 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c02412b7d0 CR3: 00000000aed64000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: find_match.part.0+0x1e3/0x1530 net/ipv6/route.c:681 find_match net/ipv6/route.c:670 [inline] find_rr_leaf net/ipv6/route.c:719 [inline] rt6_select net/ipv6/route.c:769 [inline] fib6_table_lookup+0x4c2/0xf40 net/ipv6/route.c:1876 ip6_pol_route+0x180/0x1270 net/ipv6/route.c:1909 fib6_rule_lookup+0x10b/0x4e0 net/ipv6/fib6_rules.c:118 ip6_route_input_lookup net/ipv6/route.c:1990 [inline] ip6_route_input+0x6c0/0xaa0 net/ipv6/route.c:2125 ip6_rcv_finish_core.constprop.0.isra.0+0xd7/0x550 net/ipv6/ip6_input.c:63 ip6_rcv_finish+0x176/0x2f0 net/ipv6/ip6_input.c:74 NF_HOOK include/linux/netfilter.h:289 [inline] ipv6_rcv+0xf2/0x3f0 net/ipv6/ip6_input.c:273 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:4954 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5066 process_backlog+0x241/0x700 net/core/dev.c:5849 napi_poll net/core/dev.c:6280 [inline] net_rx_action+0x4ac/0xfb0 net/core/dev.c:6346 __do_softirq+0x265/0x980 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336 do_softirq kernel/softirq.c:328 [inline] __local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189 spin_unlock_bh include/linux/spinlock.h:374 [inline] cfg80211_bss_update+0x904/0x2590 net/wireless/scan.c:1051 cfg80211_inform_bss_frame_data+0x69c/0xeb0 net/wireless/scan.c:1283 ieee80211_bss_info_update+0x42d/0x1800 net/mac80211/scan.c:105 ieee80211_rx_bss_info net/mac80211/ibss.c:1125 [inline] ieee80211_rx_mgmt_probe_beacon+0xb4f/0x15c0 net/mac80211/ibss.c:1607 ieee80211_ibss_rx_queued_mgmt+0xe27/0x18b0 net/mac80211/ibss.c:1634 ieee80211_iface_work+0x5c4/0x8a0 net/mac80211/iface.c:1341 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415