program: r0 = fsopen(&(0x7f0000000000)='ufs\x00', 0x1) fsconfig$FSCONFIG_SET_FLAG(r0, 0x0, &(0x7f0000000300)='posixacl\x00', 0x0, 0x0) fstat(0xffffffffffffffff, &(0x7f0000000000)) timer_gettime(0x0, 0x0) syz_emit_ethernet(0x3b6, &(0x7f00000009c0)={@link_local, @local, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, '\x00', 0x380, 0x3a, 0xff, @dev, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a741e54006598080a8030000004023493b87aafaff0500ffffffe723732472eefa45ad96579269748e254c1e4a948b580a9bc430d3be27df3e34060000ca0a5c15b37adac15084dbaf736b41e5af1802"}, {0x0, 0x1, "000100000000001995319cff"}, {0x3, 0x18, "fe906d26efe39393fe08f73eabc5977b1190a3a6ad8338f1511cdd10c35d8f6de79fc7fd175f75649fa368a32c829af02d7f44d92324a7051e460a13ddde25a5b85b9d930914625d8a049b4cf0d129806a610ad8477a2499a9a0527f75b655a6653d0363a979acf93f88eea07d68423e90280409de1657275f716a2bf2915d1783e8eb477b0d1170f0ecbdef4c23e1b76e9ab3d2fbe4b34438d2a77577edd0ebed9682b851b380ae0cab282af9d7ebe668177704c5fd4698c934de4731f3f61effc978"}, {0x0, 0x1d, "06aa85616177c61bc943afcb84619755403946b0730a18d5c38cf7dcad830f2dc8674b87ba8b58f81ece27975cc39e595e9af90b4fe92a38d25551c2d9ebfc5dfc5a2a501b7e483de3f808895c5f4a1a2367bc591dd8b094822ff0822a18b79f7c5eba31fb68b2d734a6671e27182aee4df24a4a5c6186c0d3baa75af390dab23b500b0c0272479611e4f7f4299ec4d926d443367b105185e6ecd9602ba95392343e9bbd047ef6bc1ba42399907ccd0a562db212baa39eb8164e240069f656d3a05fecf894222a141123f5acaa556b9f30dcab2b90aa235a670670ffc5dc49dfb58d89310000000000"}, {0x3, 0xb, "d47ae6e8805d4809c20547406b18901b0aeff04c0300f3c75dc2d227a83b89483b1084743475671545e65eb2e9ac946a3f0e2bc4619f91394c02bcfbbb7d71138537d68e2d2c6393a9f3becd1a9f51a948b5b303f4f003"}, {0x21, 0x21b8, "fcf98a102ec1876d4e6fa3b20519bbaa8a029cee00b8d3485e3b63ed09bdb581c9fe68a356f542b043059ff05932e740e077e1d16212fb"}, {0x0, 0x14, "5e14f0e74d2d42cfb3f27fafb60845f90b6dfc87c6905bbc94d33e1ea71a28105f543e868a8a53b360a9d33e2b1e26eb1d18065daa76ffff9ef083611c9f6ae2e1eb3d8bf9c6ab2642c4828288e62afbf03269f1f98aea6a58cf45d7c5fdaabc2c676d8800871a6aa54155dea2d995cb22c9924e0ad38c6967052cc7786d779b8353aac33a57d79b05613a12328f61129017fb632dbf04542188b196e213408c258a6f"}, {0x0, 0x5, "d5170000dce9674a36da018dff16e70b8b14c4b7a94fe18e88605aa6be1a02c226a6bce65f81ed"}]}}}}}}, 0x0) r1 = socket$rxrpc(0x21, 0x2, 0xa) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000600), r2) ioctl$sock_SIOCGIFINDEX_80211(r2, 0x8933, &(0x7f0000000640)={'wlan0\x00', 0x0}) r5 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r5, 0x4020ae46, &(0x7f0000000080)={0x10002, 0x0, 0xdddd1000, 0x2000, &(0x7f0000ffb000/0x2000)=nil}) sendmsg$NL80211_CMD_PROBE_MESH_LINK(r2, &(0x7f0000001440)={0x0, 0x0, &(0x7f0000001400)={&(0x7f0000000bc0)={0x6c, r3, 0x101, 0x70bd26, 0x25dfdbff, {{}, {@val={0x8, 0x3, r4}, @void}}, [@NL80211_ATTR_FRAME={0x44, 0x33, @mgmt_frame=@assoc_resp={{{0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1}, {0x1}, @broadcast, @broadcast, @initial, {0x6, 0x3}, @value=@ver_80211n={0x0, 0x7ffc, 0x1, 0x1, 0x0, 0x2, 0x0, 0x0, 0x1, 0x1}}, 0x150, 0x4e, @random=0x1ff, @val, @val={0x2d, 0x1a, {0x800, 0x3, 0x1, 0x0, {0x7b1b3555, 0x5, 0x0, 0x1, 0x0, 0x1, 0x0, 0x3, 0x1}, 0x1, 0x7fffffff, 0x4}}}}, @NL80211_ATTR_MAC={0xa, 0x6, @device_b}]}, 0x6c}, 0x1, 0x0, 0x0, 0x4000004}, 0x84) bind$rxrpc(r1, &(0x7f0000000180)=@in6={0x21, 0x1, 0x2, 0x1c, {0xa, 0x4e22, 0x4, @rand_addr=' \x01\x00', 0x80000000}}, 0x24) syz_mount_image$squashfs(&(0x7f0000000100), &(0x7f0000000000)='./file0\x00', 0x8002, &(0x7f00000008c0)=ANY=[], 0xfd, 0x1ee, &(0x7f0000002240)="$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") syz_mount_image$hfsplus(&(0x7f0000000600), &(0x7f0000000640)='./file0\x00', 0x0, &(0x7f0000000380)=ANY=[@ANYBLOB="00c3699fa33c521eb0bf08d5855e935796bd3e2f08acd32f411ae4eb9e2c805e47ae48ab5873e6e5491193aaf854641596d4f8fbc5d906052d95b7c7df745f3eb07ded60618635a0ad8e9c1849bf112d57d4bbc4304064084684672901ef89fef75056da74542df032be2b7bce00bc4577c796622581aa8e7b12301d8ea3802ecdc96787b2e10e8de271531e2224e523c3f886f45013844d092b8a49d7997f5672a28d248e65b17b9ce25c9c436da80aed876f69915debefd242"], 0x1, 0x5d8, &(0x7f00000006c0)="$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") mknodat(0xffffffffffffff9c, &(0x7f0000000180)='./file5\x00', 0x61c0, 0x700) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r6, &(0x7f0000005a40)=[{{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x98}}, {{&(0x7f0000005840)=@file={0x1, './file2\x00'}, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x4004000}}], 0x2, 0x0) listen(r1, 0x0) listen(r1, 0xfffffffd) syz_emit_ethernet(0x3b6, &(0x7f00000009c0)={@link_local, @local, @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, '\x00', 0x380, 0x3a, 0xff, @dev, @mcast2, {[], @ndisc_ra={0x86, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, [{0x0, 0xa, "a741e54006598080a8030000004023493b87aafaff0500ffffffe723732472eefa45ad96579269748e254c1e4a948b580a9bc430d3be27df3e34060000ca0a5c15b37adac15084dbaf736b41e5af1802"}, {0x0, 0x1, "000100000000001995319cff"}, {0x3, 0x18, "fe906d26efe39393fe08f73eabc5977b1190a3a6ad8338f1511cdd10c35d8f6de79fc7fd175f75649fa368a32c829af02d7f44d92324a7051e460a13ddde25a5b85b9d930914625d8a049b4cf0d129806a610ad8477a2499a9a0527f75b655a6653d0363a979acf93f88eea07d68423e90280409de1657275f716a2bf2915d1783e8eb477b0d1170f0ecbdef4c23e1b76e9ab3d2fbe4b34438d2a77577edd0ebed9682b851b380ae0cab282af9d7ebe668177704c5fd4698c934de4731f3f61effc978"}, {0x0, 0x1d, "06aa85616177c61bc943afcb84619755403946b0730a18d5c38cf7dcad830f2dc8674b87ba8b58f81ece27975cc39e595e9af90b4fe92a38d25551c2d9ebfc5dfc5a2a501b7e483de3f808895c5f4a1a2367bc591dd8b094822ff0822a18b79f7c5eba31fb68b2d734a6671e27182aee4df24a4a5c6186c0d3baa75af390dab23b500b0c0272479611e4f7f4299ec4d926d443367b105185e6ecd9602ba95392343e9bbd047ef6bc1ba42399907ccd0a562db212baa39eb8164e240069f656d3a05fecf894222a141123f5acaa556b9f30dcab2b90aa235a670670ffc5dc49dfb58d89310000000000"}, {0x3, 0xb, "d47ae6e8805d4809c20547406b18901b0aeff04c0300f3c75dc2d227a83b89483b1084743475671545e65eb2e9ac946a3f0e2bc4619f91394c02bcfbbb7d71138537d68e2d2c6393a9f3becd1a9f51a948b5b303f4f003"}, {0x21, 0x2000000000000040, "fcf98a102ec1876d4e6fa3b20519bbaa8a029cee00b8d3485e3b63ed09bdb581c9fe68a356f542b043059ff05932e740e077e1d16212fb"}, {0x0, 0x14, "5e14f0e74d2d42cfb3f27fafb60845f90b6dfc87c6905bbc94d33e1ea71a28105f543e868a8a53b360a9d33e2b1e26eb1d18065daa76ffff9ef083611c9f6ae2e1eb3d8bf9c6ab2642c4828288e62afbf03269f1f98aea6a58cf45d7c5fdaabc2c676d8800871a6aa54155dea2d995cb22c9924e0ad38c6967052cc7786d779b8353aac33a57d79b05613a12328f61129017fb632dbf04542188b196e213408c258a6f"}, {0x0, 0x5, "d5170000dce9674a36da018dff16e70b8b14c4b7a94fe18e88605aa6be1a02c226a6bce65f81ed"}]}}}}}}, 0x0) [ 76.162217][ T4668] Bluetooth: hci0: command tx timeout [ 76.296093][ T5314] IPv6: addrconf: prefix option has invalid lifetime [ 76.299058][ T5314] ------------[ cut here ]------------ [ 76.301412][ T5314] memcpy: detected field-spanning write (size 23) of single field "pfx->in6_u.u6_addr8" at ./include/net/ipv6.h:614 (size 16) [ 76.307423][ T5314] WARNING: CPU: 0 PID: 5314 at ./include/net/ipv6.h:614 ipv6_addr_prefix+0x124/0x1d0 [ 76.313439][ T5314] Modules linked in: [ 76.315215][ T5314] CPU: 0 UID: 0 PID: 5314 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-10769-g7d4e49a77d99 #0 PREEMPT(full) [ 76.320014][ T5314] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.324237][ T5314] RIP: 0010:ipv6_addr_prefix+0x124/0x1d0 [ 76.326570][ T5314] Code: cc e8 90 d6 a5 f7 c6 05 9c 59 70 05 01 90 b9 10 00 00 00 48 c7 c7 e0 68 9e 8c 4c 89 fe 48 c7 c2 00 70 9e 8c e8 ad 85 69 f7 90 <0f> 0b 90 90 e9 33 ff ff ff e8 5e d6 a5 f7 44 89 e6 48 c7 c7 c0 8a [ 76.334557][ T5314] RSP: 0018:ffffc9000d6beb30 EFLAGS: 00010246 [ 76.337078][ T5314] RAX: d076e4df25154300 RBX: ffff88803ffc1c50 RCX: 0000000000100000 [ 76.340375][ T5314] RDX: ffffc9000e2e2000 RSI: 0000000000001a63 RDI: 0000000000001a64 [ 76.343782][ T5314] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 76.347086][ T5314] R10: dffffc0000000000 R11: fffffbfff1bfa644 R12: 0000000000000017 [ 76.350345][ T5314] R13: 1ffff92001ad7d89 R14: ffffc9000d6bec64 R15: 0000000000000017 [ 76.353750][ T5314] FS: 00007f8da7f786c0(0000) GS:ffff88808d25f000(0000) knlGS:0000000000000000 [ 76.357450][ T5314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.360224][ T5314] CR2: 00007f8da7384538 CR3: 000000003e40f000 CR4: 0000000000352ef0 [ 76.363615][ T5314] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.366894][ T5314] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.370148][ T5314] Call Trace: [ 76.371649][ T5314] [ 76.372988][ T5314] ip6_route_info_create+0x4af/0x860 [ 76.375202][ T5314] ip6_route_add+0x28/0x190 [ 76.377032][ T5314] addrconf_prefix_route+0x210/0x2c0 [ 76.379228][ T5314] ? __pfx_addrconf_prefix_route+0x10/0x10 [ 76.381878][ T5314] ? addrconf_get_prefix_route+0xf2/0x760 [ 76.384343][ T5314] ? __pfx_addrconf_get_prefix_route+0x10/0x10 [ 76.386933][ T5314] ? in6_dev_get+0x1a/0x290 [ 76.388860][ T5314] ? in6_dev_get+0x1a/0x290 [ 76.390752][ T5314] addrconf_prefix_rcv+0x60b/0x1610 [ 76.393084][ T5314] ? __pfx_addrconf_prefix_rcv+0x10/0x10 [ 76.395549][ T5314] ndisc_router_discovery+0x2015/0x35f0 [ 76.397979][ T5314] ? ndisc_router_discovery+0x650/0x35f0 [ 76.400436][ T5314] ? __pfx_ndisc_router_discovery+0x10/0x10 [ 76.403003][ T5314] ? skb_checksum+0x7c1/0x8c0 [ 76.405026][ T5314] ? ndisc_rcv+0x4aa/0x730 [ 76.406890][ T5314] icmpv6_rcv+0x139a/0x1c80 [ 76.408907][ T5314] ? ipv6_chk_mcast_addr+0x77f/0x860 [ 76.411139][ T5314] ? __pfx_icmpv6_rcv+0x10/0x10 [ 76.413027][ T5314] ip6_protocol_deliver_rcu+0xe0b/0x15c0 [ 76.415408][ T5314] ip6_input_finish+0xde/0x190 [ 76.417419][ T5314] NF_HOOK+0x309/0x3a0 [ 76.419252][ T5314] ? __pfx_ip6_input_finish+0x10/0x10 [ 76.421601][ T5314] ? NF_HOOK+0x9a/0x3a0 [ 76.423587][ T5314] ? __pfx_NF_HOOK+0x10/0x10 [ 76.425644][ T5314] ? __pfx_ip6_input_finish+0x10/0x10 [ 76.427988][ T5314] ip6_input+0x16a/0x270 [ 76.429787][ T5314] ? ip6_input+0x23/0x270 [ 76.431649][ T5314] ip6_mc_input+0x79a/0xbe0 [ 76.433523][ T5314] ? __pfx_ip6_mc_input+0x10/0x10 [ 76.435633][ T5314] ? skb_dst+0x71/0xd0 [ 76.437432][ T5314] ? ip6_rcv_finish+0x29a/0x2d0 [ 76.439518][ T5314] NF_HOOK+0x309/0x3a0 [ 76.441300][ T5314] ? skb_orphan+0x4f/0xd0 [ 76.443203][ T5314] ? __pfx_ip6_rcv_finish+0x10/0x10 [ 76.445406][ T5314] ? NF_HOOK+0x9a/0x3a0 [ 76.447173][ T5314] ? __pfx_NF_HOOK+0x10/0x10 [ 76.449126][ T5314] ? __pfx_ip6_rcv_finish+0x10/0x10 [ 76.451257][ T5314] __netif_receive_skb+0xd3/0x380 [ 76.453550][ T5314] ? netif_receive_skb+0x115/0x790 [ 76.455771][ T5314] netif_receive_skb+0x1cb/0x790 [ 76.458703][ T5314] ? __pfx___local_bh_disable_ip+0x10/0x10 [ 76.461779][ T5314] ? __pfx_netif_receive_skb+0x10/0x10 [ 76.464441][ T5314] ? tun_rx_batched+0x160/0x730 [ 76.466447][ T5314] tun_rx_batched+0x1b9/0x730 [ 76.468305][ T5314] ? __lock_acquire+0xab9/0xd20 [ 76.470369][ T5314] ? __pfx_tun_rx_batched+0x10/0x10 [ 76.472861][ T5314] ? tun_get_user+0x2549/0x3ce0 [ 76.475534][ T5314] tun_get_user+0x298e/0x3ce0 [ 76.478206][ T5314] ? tun_get_user+0x693/0x3ce0 [ 76.480737][ T5314] ? tun_get_user+0x2549/0x3ce0 [ 76.483435][ T5314] ? aa_file_perm+0x11f/0xed0 [ 76.485924][ T5314] ? __pfx_tun_get_user+0x10/0x10 [ 76.488250][ T5314] ? aa_file_perm+0x3e7/0xed0 [ 76.490222][ T5314] ? ref_tracker_alloc+0x318/0x460 [ 76.492445][ T5314] ? __lock_acquire+0xab9/0xd20 [ 76.494420][ T5314] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 76.496670][ T5314] ? tun_get+0x1c/0x2f0 [ 76.498252][ T5314] ? tun_get+0x1c/0x2f0 [ 76.499886][ T5314] ? tun_get+0x1c/0x2f0 [ 76.501608][ T5314] tun_chr_write_iter+0x113/0x200 [ 76.503818][ T5314] vfs_write+0x54b/0xa90 [ 76.505665][ T5314] ? __pfx_tun_chr_write_iter+0x10/0x10 [ 76.507994][ T5314] ? __pfx_vfs_write+0x10/0x10 [ 76.510050][ T5314] ? __fget_files+0x2a/0x420 [ 76.512211][ T5314] ksys_write+0x145/0x250 [ 76.514093][ T5314] ? __pfx_ksys_write+0x10/0x10 [ 76.516085][ T5314] ? do_syscall_64+0xbe/0x3b0 [ 76.518103][ T5314] do_syscall_64+0xfa/0x3b0 [ 76.520017][ T5314] ? lockdep_hardirqs_on+0x9c/0x150 [ 76.522274][ T5314] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.524801][ T5314] ? clear_bhb_loop+0x60/0xb0 [ 76.526785][ T5314] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.529258][ T5314] RIP: 0033:0x7f8da718d41f [ 76.531131][ T5314] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 [ 76.539337][ T5314] RSP: 002b:00007f8da7f78000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 76.542878][ T5314] RAX: ffffffffffffffda RBX: 00007f8da73b5fa0 RCX: 00007f8da718d41f [ 76.546281][ T5314] RDX: 00000000000003b6 RSI: 00002000000009c0 RDI: 00000000000000c8 [ 76.549606][ T5314] RBP: 00007f8da7210ab1 R08: 0000000000000000 R09: 0000000000000000 [ 76.553390][ T5314] R10: 00000000000003b6 R11: 0000000000000293 R12: 0000000000000000 [ 76.556670][ T5314] R13: 0000000000000000 R14: 00007f8da73b5fa0 R15: 00007fffbc98d0e8 [ 76.559889][ T5314] [ 76.561181][ T5314] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 76.564252][ T5314] CPU: 0 UID: 0 PID: 5314 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-10769-g7d4e49a77d99 #0 PREEMPT(full) [ 76.568998][ T5314] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 76.573590][ T5314] Call Trace: [ 76.575038][ T5314] [ 76.576298][ T5314] dump_stack_lvl+0x99/0x250 [ 76.578258][ T5314] ? __asan_memcpy+0x40/0x70 [ 76.580205][ T5314] ? __pfx_dump_stack_lvl+0x10/0x10 [ 76.582477][ T5314] ? __pfx__printk+0x10/0x10 [ 76.584500][ T5314] panic+0x2db/0x790 [ 76.586198][ T5314] ? __pfx_panic+0x10/0x10 [ 76.588175][ T5314] __warn+0x31b/0x4b0 [ 76.589929][ T5314] ? ipv6_addr_prefix+0x124/0x1d0 [ 76.592001][ T5314] ? ipv6_addr_prefix+0x124/0x1d0 [ 76.594158][ T5314] report_bug+0x2be/0x4f0 [ 76.595985][ T5314] ? ipv6_addr_prefix+0x124/0x1d0 [ 76.598297][ T5314] ? ipv6_addr_prefix+0x124/0x1d0 [ 76.600576][ T5314] ? ipv6_addr_prefix+0x126/0x1d0 [ 76.602724][ T5314] handle_bug+0x84/0x160 [ 76.604549][ T5314] exc_invalid_op+0x1a/0x50 [ 76.606531][ T5314] asm_exc_invalid_op+0x1a/0x20 [ 76.608588][ T5314] RIP: 0010:ipv6_addr_prefix+0x124/0x1d0 [ 76.610695][ T5314] Code: cc e8 90 d6 a5 f7 c6 05 9c 59 70 05 01 90 b9 10 00 00 00 48 c7 c7 e0 68 9e 8c 4c 89 fe 48 c7 c2 00 70 9e 8c e8 ad 85 69 f7 90 <0f> 0b 90 90 e9 33 ff ff ff e8 5e d6 a5 f7 44 89 e6 48 c7 c7 c0 8a [ 76.618621][ T5314] RSP: 0018:ffffc9000d6beb30 EFLAGS: 00010246 [ 76.621104][ T5314] RAX: d076e4df25154300 RBX: ffff88803ffc1c50 RCX: 0000000000100000 [ 76.624277][ T5314] RDX: ffffc9000e2e2000 RSI: 0000000000001a63 RDI: 0000000000001a64 [ 76.627548][ T5314] RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000000004 [ 76.630773][ T5314] R10: dffffc0000000000 R11: fffffbfff1bfa644 R12: 0000000000000017 [ 76.633960][ T5314] R13: 1ffff92001ad7d89 R14: ffffc9000d6bec64 R15: 0000000000000017 [ 76.637270][ T5314] ip6_route_info_create+0x4af/0x860 [ 76.639469][ T5314] ip6_route_add+0x28/0x190 [ 76.641326][ T5314] addrconf_prefix_route+0x210/0x2c0 [ 76.643237][ T5314] ? __pfx_addrconf_prefix_route+0x10/0x10 [ 76.645447][ T5314] ? addrconf_get_prefix_route+0xf2/0x760 [ 76.647669][ T5314] ? __pfx_addrconf_get_prefix_route+0x10/0x10 [ 76.650184][ T5314] ? in6_dev_get+0x1a/0x290 [ 76.652092][ T5314] ? in6_dev_get+0x1a/0x290 [ 76.654030][ T5314] addrconf_prefix_rcv+0x60b/0x1610 [ 76.655917][ T5314] ? __pfx_addrconf_prefix_rcv+0x10/0x10 [ 76.657832][ T5314] ndisc_router_discovery+0x2015/0x35f0 [ 76.659736][ T5314] ? ndisc_router_discovery+0x650/0x35f0 [ 76.661893][ T5314] ? __pfx_ndisc_router_discovery+0x10/0x10 [ 76.664268][ T5314] ? skb_checksum+0x7c1/0x8c0 [ 76.666214][ T5314] ? ndisc_rcv+0x4aa/0x730 [ 76.667839][ T5314] icmpv6_rcv+0x139a/0x1c80 [ 76.669579][ T5314] ? ipv6_chk_mcast_addr+0x77f/0x860 [ 76.671656][ T5314] ? __pfx_icmpv6_rcv+0x10/0x10 [ 76.673671][ T5314] ip6_protocol_deliver_rcu+0xe0b/0x15c0 [ 76.675910][ T5314] ip6_input_finish+0xde/0x190 [ 76.677995][ T5314] NF_HOOK+0x309/0x3a0 [ 76.679753][ T5314] ? __pfx_ip6_input_finish+0x10/0x10 [ 76.682012][ T5314] ? NF_HOOK+0x9a/0x3a0 [ 76.683830][ T5314] ? __pfx_NF_HOOK+0x10/0x10 [ 76.685739][ T5314] ? __pfx_ip6_input_finish+0x10/0x10 [ 76.687950][ T5314] ip6_input+0x16a/0x270 [ 76.689713][ T5314] ? ip6_input+0x23/0x270 [ 76.691411][ T5314] ip6_mc_input+0x79a/0xbe0 [ 76.693175][ T5314] ? __pfx_ip6_mc_input+0x10/0x10 [ 76.695072][ T5314] ? skb_dst+0x71/0xd0 [ 76.696587][ T5314] ? ip6_rcv_finish+0x29a/0x2d0 [ 76.698445][ T5314] NF_HOOK+0x309/0x3a0 [ 76.700040][ T5314] ? skb_orphan+0x4f/0xd0 [ 76.701705][ T5314] ? __pfx_ip6_rcv_finish+0x10/0x10 [ 76.703752][ T5314] ? NF_HOOK+0x9a/0x3a0 [ 76.705387][ T5314] ? __pfx_NF_HOOK+0x10/0x10 [ 76.707118][ T5314] ? __pfx_ip6_rcv_finish+0x10/0x10 [ 76.709114][ T5314] __netif_receive_skb+0xd3/0x380 [ 76.711115][ T5314] ? netif_receive_skb+0x115/0x790 [ 76.713263][ T5314] netif_receive_skb+0x1cb/0x790 [ 76.715358][ T5314] ? __pfx___local_bh_disable_ip+0x10/0x10 [ 76.717823][ T5314] ? __pfx_netif_receive_skb+0x10/0x10 [ 76.720073][ T5314] ? tun_rx_batched+0x160/0x730 [ 76.722023][ T5314] tun_rx_batched+0x1b9/0x730 [ 76.724015][ T5314] ? __lock_acquire+0xab9/0xd20 [ 76.726122][ T5314] ? __pfx_tun_rx_batched+0x10/0x10 [ 76.728173][ T5314] ? tun_get_user+0x2549/0x3ce0 [ 76.730082][ T5314] tun_get_user+0x298e/0x3ce0 [ 76.732397][ T5314] ? tun_get_user+0x693/0x3ce0 [ 76.734531][ T5314] ? tun_get_user+0x2549/0x3ce0 [ 76.736574][ T5314] ? aa_file_perm+0x11f/0xed0 [ 76.738480][ T5314] ? __pfx_tun_get_user+0x10/0x10 [ 76.740374][ T5314] ? aa_file_perm+0x3e7/0xed0 [ 76.742412][ T5314] ? ref_tracker_alloc+0x318/0x460 [ 76.744728][ T5314] ? __lock_acquire+0xab9/0xd20 [ 76.746888][ T5314] ? __pfx_ref_tracker_alloc+0x10/0x10 [ 76.749325][ T5314] ? tun_get+0x1c/0x2f0 [ 76.751150][ T5314] ? tun_get+0x1c/0x2f0 [ 76.752948][ T5314] ? tun_get+0x1c/0x2f0 [ 76.754694][ T5314] tun_chr_write_iter+0x113/0x200 [ 76.756782][ T5314] vfs_write+0x54b/0xa90 [ 76.758521][ T5314] ? __pfx_tun_chr_write_iter+0x10/0x10 [ 76.760875][ T5314] ? __pfx_vfs_write+0x10/0x10 [ 76.762903][ T5314] ? __fget_files+0x2a/0x420 [ 76.764833][ T5314] ksys_write+0x145/0x250 [ 76.766454][ T5314] ? __pfx_ksys_write+0x10/0x10 [ 76.768482][ T5314] ? do_syscall_64+0xbe/0x3b0 [ 76.770443][ T5314] do_syscall_64+0xfa/0x3b0 [ 76.772355][ T5314] ? lockdep_hardirqs_on+0x9c/0x150 [ 76.774292][ T5314] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.776403][ T5314] ? clear_bhb_loop+0x60/0xb0 [ 76.778123][ T5314] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 76.780540][ T5314] RIP: 0033:0x7f8da718d41f [ 76.782383][ T5314] Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 92 02 00 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 4c 93 02 00 48 [ 76.790217][ T5314] RSP: 002b:00007f8da7f78000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 [ 76.793750][ T5314] RAX: ffffffffffffffda RBX: 00007f8da73b5fa0 RCX: 00007f8da718d41f [ 76.796714][ T5314] RDX: 00000000000003b6 RSI: 00002000000009c0 RDI: 00000000000000c8 [ 76.799647][ T5314] RBP: 00007f8da7210ab1 R08: 0000000000000000 R09: 0000000000000000 [ 76.802737][ T5314] R10: 00000000000003b6 R11: 0000000000000293 R12: 0000000000000000 [ 76.806119][ T5314] R13: 0000000000000000 R14: 00007f8da73b5fa0 R15: 00007fffbc98d0e8 [ 76.809445][ T5314] [ 76.811532][ T5314] Kernel Offset: disabled [ 76.813936][ T5314] Rebooting in 86400 seconds..