syzkaller login: [ 50.189353] sshd (218) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:3032' (ECDSA) to the list of known hosts. 2023/05/16 14:11:47 fuzzer started 2023/05/16 14:11:47 dialing manager at localhost:35573 2023/05/16 14:11:47 checking machine... 2023/05/16 14:11:47 checking revisions... [ 52.364322] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:11:47 testing simple program... [ 52.439198] cgroup: Unknown subsys name 'net' [ 52.526410] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 64.658397] audit: type=1400 audit(1684246320.053:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 65.777413] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 65.779202] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 65.781385] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 65.785696] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 65.787460] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 65.788890] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 66.186354] ------------[ cut here ]------------ [ 66.187128] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 66.189093] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.190436] Modules linked in: [ 66.190972] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 66.195894] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.197063] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.197856] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 66.200040] RSP: 0018:ffff8880166dfc00 EFLAGS: 00010282 [ 66.200724] RAX: 0000000000000000 RBX: ffff88800691ac40 RCX: 0000000000000000 [ 66.201611] RDX: ffff888016f051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 66.202511] RBP: ffff88800691ac54 R08: 0000000000000001 R09: 0000000000000000 [ 66.203413] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 66.204303] R13: ffffffff84e223a0 R14: ffff88800691ac48 R15: ffffffff84d73340 [ 66.205164] FS: 0000555556b34400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 66.206148] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.206900] CR2: 00007f7f2408f6f4 CR3: 000000001f52e000 CR4: 0000000000350ee0 [ 66.207785] Call Trace: [ 66.208108] [ 66.208443] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 66.209054] ipv4_frags_init_net+0x269/0x440 [ 66.209639] ops_init+0xbb/0x6b0 [ 66.210080] setup_net+0x3d9/0x990 [ 66.210566] ? down_read_killable+0x1d7/0x4e0 [ 66.211151] ? __pfx_setup_net+0x10/0x10 [ 66.211686] ? copy_net_ns+0x17c/0x770 [ 66.212192] copy_net_ns+0x321/0x770 [ 66.212696] create_new_namespaces+0x3f6/0xb30 [ 66.213306] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.213923] ksys_unshare+0x44d/0x8e0 [ 66.214444] ? __pfx_ksys_unshare+0x10/0x10 [ 66.214998] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.215737] __x64_sys_unshare+0x31/0x40 [ 66.216285] do_syscall_64+0x3f/0x90 [ 66.216761] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.217426] RIP: 0033:0x7f79254e70d7 [ 66.217888] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 66.220057] RSP: 002b:00007fff80efeae8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.221001] RAX: ffffffffffffffda RBX: 00007fff80eff128 RCX: 00007f79254e70d7 [ 66.221886] RDX: 00007f792555141f RSI: 00007fff80efea80 RDI: 0000000040000000 [ 66.222783] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff80efe890 [ 66.223673] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f79255f9bf0 [ 66.224555] R13: 00007fff80efebc0 R14: 0000000000000000 R15: 00000000000000f8 [ 66.225476] [ 66.225775] irq event stamp: 7719 [ 66.226193] hardirqs last enabled at (7729): [] __up_console_sem+0x78/0x80 [ 66.227294] hardirqs last disabled at (7742): [] __up_console_sem+0x5d/0x80 [ 66.228351] softirqs last enabled at (7290): [] irq_exit_rcu+0x93/0xc0 [ 66.229377] softirqs last disabled at (7279): [] irq_exit_rcu+0x93/0xc0 [ 66.230404] ---[ end trace 0000000000000000 ]--- [ 66.235553] ------------[ cut here ]------------ [ 66.236137] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 66.237815] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.238884] Modules linked in: [ 66.239317] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 66.240476] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.241475] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.242110] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 66.244271] RSP: 0018:ffff8880166dfc00 EFLAGS: 00010282 [ 66.244915] RAX: 0000000000000000 RBX: ffff888015eaa440 RCX: 0000000000000000 [ 66.245799] RDX: ffff888016f051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 66.246713] RBP: ffff888015eaa454 R08: 0000000000000001 R09: 0000000000000000 [ 66.247597] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 66.248472] R13: ffffffff84e223a0 R14: ffff888015eaa448 R15: ffffffff84da62e0 [ 66.249360] FS: 0000555556b34400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 66.250351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.251069] CR2: 00007f7f2408f6f4 CR3: 000000001f52e000 CR4: 0000000000350ee0 [ 66.251951] Call Trace: [ 66.252308] [ 66.252606] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 66.253208] ipv6_frags_init_net+0x206/0x3c0 [ 66.253796] ops_init+0xbb/0x6b0 [ 66.254265] setup_net+0x3d9/0x990 [ 66.254734] ? down_read_killable+0x1d7/0x4e0 [ 66.255332] ? __pfx_setup_net+0x10/0x10 [ 66.255840] ? copy_net_ns+0x17c/0x770 [ 66.256371] copy_net_ns+0x321/0x770 [ 66.256846] create_new_namespaces+0x3f6/0xb30 [ 66.257505] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.258221] ksys_unshare+0x44d/0x8e0 [ 66.258746] ? __pfx_ksys_unshare+0x10/0x10 [ 66.259321] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.260031] __x64_sys_unshare+0x31/0x40 [ 66.260579] do_syscall_64+0x3f/0x90 [ 66.261052] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.261717] RIP: 0033:0x7f79254e70d7 [ 66.262176] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 66.264374] RSP: 002b:00007fff80efeae8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.265328] RAX: ffffffffffffffda RBX: 00007fff80eff128 RCX: 00007f79254e70d7 [ 66.266176] RDX: 00007f792555141f RSI: 00007fff80efea80 RDI: 0000000040000000 [ 66.267071] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff80efe890 [ 66.267963] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f79255f9bf0 [ 66.268846] R13: 00007fff80efebc0 R14: 0000000000000000 R15: 00000000000000f8 [ 66.269756] [ 66.270054] irq event stamp: 9489 [ 66.270510] hardirqs last enabled at (9501): [] __up_console_sem+0x78/0x80 [ 66.271570] hardirqs last disabled at (9512): [] __up_console_sem+0x5d/0x80 [ 66.272624] softirqs last enabled at (9298): [] irq_exit_rcu+0x93/0xc0 [ 66.273654] softirqs last disabled at (9293): [] irq_exit_rcu+0x93/0xc0 [ 66.274702] ---[ end trace 0000000000000000 ]--- [ 66.276064] ------------[ cut here ]------------ [ 66.276700] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 66.278691] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 66.279742] Modules linked in: [ 66.280142] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 66.281295] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 66.282298] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 66.282943] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 66.285114] RSP: 0018:ffff8880166dfbf0 EFLAGS: 00010286 [ 66.285794] RAX: 0000000000000000 RBX: ffff88800d869e40 RCX: 0000000000000000 [ 66.286709] RDX: ffff888016f051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 66.287593] RBP: ffff88800d869e54 R08: 0000000000000001 R09: 0000000000000000 [ 66.288489] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 66.289374] R13: ffffffff84e223a0 R14: ffff88800d869e48 R15: ffffffff84daf020 [ 66.290273] FS: 0000555556b34400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 66.291276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.291984] CR2: 00007f7f2408f6f4 CR3: 000000001f52e000 CR4: 0000000000350ee0 [ 66.292876] Call Trace: [ 66.293203] [ 66.293530] nf_ct_net_init+0x224/0x3d0 [ 66.294043] ? __pfx_nf_ct_net_init+0x10/0x10 [ 66.294672] ops_init+0xbb/0x6b0 [ 66.295140] setup_net+0x3d9/0x990 [ 66.295626] ? down_read_killable+0x1d7/0x4e0 [ 66.296189] ? __pfx_setup_net+0x10/0x10 [ 66.296719] ? copy_net_ns+0x17c/0x770 [ 66.297221] copy_net_ns+0x321/0x770 [ 66.297732] create_new_namespaces+0x3f6/0xb30 [ 66.298340] unshare_nsproxy_namespaces+0xc1/0x200 [ 66.298960] ksys_unshare+0x44d/0x8e0 [ 66.299482] ? __pfx_ksys_unshare+0x10/0x10 [ 66.300032] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 66.300773] __x64_sys_unshare+0x31/0x40 [ 66.301316] do_syscall_64+0x3f/0x90 [ 66.301785] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 66.302454] RIP: 0033:0x7f79254e70d7 [ 66.302937] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 66.305105] RSP: 002b:00007fff80efeae8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 66.306056] RAX: ffffffffffffffda RBX: 00007fff80eff128 RCX: 00007f79254e70d7 [ 66.306955] RDX: 00007f792555141f RSI: 00007fff80efea80 RDI: 0000000040000000 [ 66.307841] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff80efe890 [ 66.308722] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f79255f9bf0 [ 66.309597] R13: 00007fff80efebc0 R14: 0000000000000000 R15: 00000000000000f8 [ 66.310509] [ 66.310823] irq event stamp: 10303 [ 66.311296] hardirqs last enabled at (10315): [] __up_console_sem+0x78/0x80 [ 66.312368] hardirqs last disabled at (10326): [] __up_console_sem+0x5d/0x80 [ 66.313436] softirqs last enabled at (10032): [] irq_exit_rcu+0x93/0xc0 [ 66.314477] softirqs last disabled at (10027): [] irq_exit_rcu+0x93/0xc0 [ 66.315561] ---[ end trace 0000000000000000 ]--- executing program [ 67.857926] Bluetooth: hci0: command 0x0409 tx timeout [ 69.905294] Bluetooth: hci0: command 0x041b tx timeout executing program [ 71.953316] Bluetooth: hci0: command 0x040f tx timeout executing program [ 74.001301] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 14:11:45 Registers: info registers vcpu 0 RAX=000000000001f749 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8458cd2058 CR3=000000000dcee000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=2031303a32313a34312036312079614d XMM01=5d3339303938312e36362020205b203a XMM02=74656e20746120393532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3339303938312e36362020205b XMM07=79732031303a32313a34312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000078 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880166df5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000078 R11=0000000000000001 R12=0000000000000078 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000555556b34400 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7f2408f6f4 CR3=000000001f52e000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000