syzkaller login: [ 40.047751] sshd (210) used greatest stack depth: 24016 bytes left Warning: Permanently added '[localhost]:36993' (ECDSA) to the list of known hosts. 2023/05/18 00:10:11 fuzzer started 2023/05/18 00:10:12 dialing manager at localhost:44319 2023/05/18 00:10:12 checking machine... 2023/05/18 00:10:12 checking revisions... [ 45.337391] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:10:12 testing simple program... [ 45.407060] cgroup: Unknown subsys name 'net' [ 45.490652] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 59.156706] audit: type=1400 audit(1684368626.183:6): 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 executing program [ 60.319339] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.320939] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.323157] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.326112] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.327608] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 60.328971] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 60.748742] ------------[ cut here ]------------ [ 60.749662] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 60.751983] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.753167] Modules linked in: [ 60.753611] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.758544] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.759690] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.760426] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 60.762864] RSP: 0018:ffff888017e1fc00 EFLAGS: 00010282 [ 60.763593] RAX: 0000000000000000 RBX: ffff888015bda040 RCX: 0000000000000000 [ 60.764580] RDX: ffff88801a2c1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.765559] RBP: ffff888015bda054 R08: 0000000000000001 R09: 0000000000000000 [ 60.766538] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 60.767526] R13: ffffffff84e23fe0 R14: ffff888015bda048 R15: ffffffff84d74dc0 [ 60.768515] FS: 0000555556432400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 60.769626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.770445] CR2: 00007f6120760088 CR3: 000000000e566000 CR4: 0000000000350ef0 [ 60.771445] Call Trace: [ 60.771837] [ 60.772161] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 60.772870] ipv4_frags_init_net+0x269/0x440 [ 60.773493] ops_init+0xbb/0x6b0 [ 60.774014] setup_net+0x3d9/0x990 [ 60.774514] ? down_read_killable+0x1d7/0x4e0 [ 60.775176] ? __pfx_setup_net+0x10/0x10 [ 60.775744] ? copy_net_ns+0x17c/0x770 [ 60.776333] copy_net_ns+0x321/0x770 [ 60.776912] create_new_namespaces+0x3f6/0xb30 [ 60.777555] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.778276] ksys_unshare+0x44d/0x8e0 [ 60.778852] ? __pfx_ksys_unshare+0x10/0x10 [ 60.779483] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.780305] __x64_sys_unshare+0x31/0x40 [ 60.780898] do_syscall_64+0x3f/0x90 [ 60.781419] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.782150] RIP: 0033:0x7f155fd020d7 [ 60.782653] 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 [ 60.784998] RSP: 002b:00007fffd1e153c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.786035] RAX: ffffffffffffffda RBX: 00007fffd1e15a08 RCX: 00007f155fd020d7 [ 60.786987] RDX: 00007f155fd6c41f RSI: 00007fffd1e15360 RDI: 0000000040000000 [ 60.787953] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffd1e15170 [ 60.788946] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f155fe14bf0 [ 60.789903] R13: 00007fffd1e154a0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.790913] [ 60.791252] irq event stamp: 8613 [ 60.791715] hardirqs last enabled at (8623): [] __up_console_sem+0x78/0x80 [ 60.792858] hardirqs last disabled at (8634): [] __up_console_sem+0x5d/0x80 [ 60.794038] softirqs last enabled at (8184): [] irq_exit_rcu+0x93/0xc0 [ 60.795174] softirqs last disabled at (8179): [] irq_exit_rcu+0x93/0xc0 [ 60.796312] ---[ end trace 0000000000000000 ]--- [ 60.802583] ------------[ cut here ]------------ [ 60.803269] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 60.805307] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.806465] Modules linked in: [ 60.806949] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.808223] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.809316] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.810074] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 60.812497] RSP: 0018:ffff888017e1fc00 EFLAGS: 00010282 [ 60.813260] RAX: 0000000000000000 RBX: ffff88800ed4ee40 RCX: 0000000000000000 [ 60.814244] RDX: ffff88801a2c1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.815257] RBP: ffff88800ed4ee54 R08: 0000000000000001 R09: 0000000000000000 [ 60.816225] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.817177] R13: ffffffff84e23fe0 R14: ffff88800ed4ee48 R15: ffffffff84da7d60 [ 60.818120] FS: 0000555556432400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 60.819195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.819979] CR2: 00007f6120760088 CR3: 000000000e566000 CR4: 0000000000350ef0 [ 60.820968] Call Trace: [ 60.821327] [ 60.821651] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 60.822364] ipv6_frags_init_net+0x206/0x3c0 [ 60.823015] ops_init+0xbb/0x6b0 [ 60.823528] setup_net+0x3d9/0x990 [ 60.824080] ? down_read_killable+0x1d7/0x4e0 [ 60.824707] ? __pfx_setup_net+0x10/0x10 [ 60.825315] ? copy_net_ns+0x17c/0x770 [ 60.825925] copy_net_ns+0x321/0x770 [ 60.826455] create_new_namespaces+0x3f6/0xb30 [ 60.827138] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.827839] ksys_unshare+0x44d/0x8e0 [ 60.828379] ? __pfx_ksys_unshare+0x10/0x10 [ 60.829007] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.829792] __x64_sys_unshare+0x31/0x40 [ 60.830392] do_syscall_64+0x3f/0x90 [ 60.830945] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.831658] RIP: 0033:0x7f155fd020d7 [ 60.832196] 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 [ 60.834568] RSP: 002b:00007fffd1e153c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.835629] RAX: ffffffffffffffda RBX: 00007fffd1e15a08 RCX: 00007f155fd020d7 [ 60.836597] RDX: 00007f155fd6c41f RSI: 00007fffd1e15360 RDI: 0000000040000000 [ 60.837570] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffd1e15170 [ 60.838551] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f155fe14bf0 [ 60.839540] R13: 00007fffd1e154a0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.840545] [ 60.840906] irq event stamp: 10475 [ 60.841378] hardirqs last enabled at (10485): [] __up_console_sem+0x78/0x80 [ 60.842538] hardirqs last disabled at (10496): [] __up_console_sem+0x5d/0x80 [ 60.843738] softirqs last enabled at (10256): [] irq_exit_rcu+0x93/0xc0 [ 60.844909] softirqs last disabled at (10251): [] irq_exit_rcu+0x93/0xc0 [ 60.846050] ---[ end trace 0000000000000000 ]--- [ 60.847586] ------------[ cut here ]------------ [ 60.848337] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 60.850561] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.851765] Modules linked in: [ 60.852246] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.853513] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.854628] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.855378] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 60.857782] RSP: 0018:ffff888017e1fbf0 EFLAGS: 00010286 [ 60.858527] RAX: 0000000000000000 RBX: ffff88800ed4e840 RCX: 0000000000000000 [ 60.859509] RDX: ffff88801a2c1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.860488] RBP: ffff88800ed4e854 R08: 0000000000000001 R09: 0000000000000000 [ 60.861462] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.862447] R13: ffffffff84e23fe0 R14: ffff88800ed4e848 R15: ffffffff84db0aa0 [ 60.863449] FS: 0000555556432400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 60.864539] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.865353] CR2: 00007f6120760088 CR3: 000000000e566000 CR4: 0000000000350ef0 [ 60.866333] Call Trace: [ 60.866686] [ 60.867056] nf_ct_net_init+0x224/0x3d0 [ 60.867644] ? __pfx_nf_ct_net_init+0x10/0x10 [ 60.868306] ops_init+0xbb/0x6b0 [ 60.868836] setup_net+0x3d9/0x990 [ 60.869341] ? down_read_killable+0x1d7/0x4e0 [ 60.869995] ? __pfx_setup_net+0x10/0x10 [ 60.870552] ? copy_net_ns+0x17c/0x770 [ 60.871173] copy_net_ns+0x321/0x770 [ 60.871701] create_new_namespaces+0x3f6/0xb30 [ 60.872380] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.873088] ksys_unshare+0x44d/0x8e0 [ 60.873628] ? __pfx_ksys_unshare+0x10/0x10 [ 60.874269] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.875083] __x64_sys_unshare+0x31/0x40 [ 60.875672] do_syscall_64+0x3f/0x90 [ 60.876237] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.876983] RIP: 0033:0x7f155fd020d7 [ 60.877493] 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 [ 60.879904] RSP: 002b:00007fffd1e153c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.880955] RAX: ffffffffffffffda RBX: 00007fffd1e15a08 RCX: 00007f155fd020d7 [ 60.881937] RDX: 00007f155fd6c41f RSI: 00007fffd1e15360 RDI: 0000000040000000 [ 60.882913] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffd1e15170 [ 60.883922] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f155fe14bf0 [ 60.884899] R13: 00007fffd1e154a0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.885909] [ 60.886243] irq event stamp: 11293 [ 60.886720] hardirqs last enabled at (11303): [] __up_console_sem+0x78/0x80 [ 60.887889] hardirqs last disabled at (11314): [] __up_console_sem+0x5d/0x80 [ 60.889066] softirqs last enabled at (11328): [] irq_exit_rcu+0x93/0xc0 [ 60.890217] softirqs last disabled at (11323): [] irq_exit_rcu+0x93/0xc0 [ 60.891386] ---[ end trace 0000000000000000 ]--- [ 62.400498] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 64.447942] Bluetooth: hci0: command 0x041b tx timeout executing program [ 66.495888] Bluetooth: hci0: command 0x040f tx timeout [ 68.543898] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:10:27 Registers: info registers vcpu 0 RAX=0000000000000064 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888017e1f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000064 R11=0000000000000001 R12=0000000000000064 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555556432400 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=00007f6120760088 CR3=000000000e566000 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=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 info registers vcpu 1 RAX=0000000000035757 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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 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=00007f61207df000 CR3=0000000016870000 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=2037323a30313a30302038312079614d XMM01=5d3338393135372e30362020205b203a XMM02=74656e20746120393532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3338393135372e30362020205b XMM07=79732037323a30313a30302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000