syzkaller login: [ 31.268716] sshd (211) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:9801' (ECDSA) to the list of known hosts. 2023/05/17 08:51:32 fuzzer started 2023/05/17 08:51:33 dialing manager at localhost:35573 2023/05/17 08:51:33 checking machine... 2023/05/17 08:51:33 checking revisions... [ 36.331140] kmemleak: Automatic memory scanning thread ended 2023/05/17 08:51:33 testing simple program... [ 36.403893] cgroup: Unknown subsys name 'net' [ 36.497764] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.605620] audit: type=1400 audit(1684313506.566:6): 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 [ 50.762915] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.771623] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.773966] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.776084] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.777450] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.778304] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.094034] ------------[ cut here ]------------ [ 51.095143] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.096339] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.097087] Modules linked in: [ 51.097403] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.099703] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.101253] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.101718] 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 [ 51.103232] RSP: 0018:ffff888016f17c00 EFLAGS: 00010282 [ 51.103693] RAX: 0000000000000000 RBX: ffff88800ca97040 RCX: 0000000000000000 [ 51.104240] RDX: ffff88800f540000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.104848] RBP: ffff88800ca97054 R08: 0000000000000001 R09: 0000000000000000 [ 51.105450] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.106023] R13: ffffffff84e223a0 R14: ffff88800ca97048 R15: ffffffff84d73340 [ 51.106631] FS: 0000555556e95400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.107338] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.107838] CR2: 00007fd8616eb6f4 CR3: 0000000010220000 CR4: 0000000000350ef0 [ 51.108439] Call Trace: [ 51.108652] [ 51.108850] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.109276] ipv4_frags_init_net+0x269/0x440 [ 51.109669] ops_init+0xbb/0x6b0 [ 51.109955] setup_net+0x3d9/0x990 [ 51.110267] ? down_read_killable+0x1d7/0x4e0 [ 51.110690] ? __pfx_setup_net+0x10/0x10 [ 51.111084] ? copy_net_ns+0x17c/0x770 [ 51.111424] copy_net_ns+0x321/0x770 [ 51.111721] create_new_namespaces+0x3f6/0xb30 [ 51.112157] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.112637] ksys_unshare+0x44d/0x8e0 [ 51.112947] ? __pfx_ksys_unshare+0x10/0x10 [ 51.113286] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.113752] __x64_sys_unshare+0x31/0x40 [ 51.114076] do_syscall_64+0x3f/0x90 [ 51.114406] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.114849] RIP: 0033:0x7f5ef4e200d7 [ 51.115150] 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 [ 51.116612] RSP: 002b:00007fffd7da9528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.117317] RAX: ffffffffffffffda RBX: 00007fffd7da9b68 RCX: 00007f5ef4e200d7 [ 51.117955] RDX: 00007f5ef4e8a41f RSI: 00007fffd7da94c0 RDI: 0000000040000000 [ 51.118552] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffd7da92d0 [ 51.119190] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5ef4f32bf0 [ 51.119873] R13: 00007fffd7da9600 R14: 0000000000000000 R15: 00000000000000f8 [ 51.120482] [ 51.120675] irq event stamp: 8175 [ 51.120953] hardirqs last enabled at (8185): [] __up_console_sem+0x78/0x80 [ 51.121692] hardirqs last disabled at (8196): [] __up_console_sem+0x5d/0x80 [ 51.122452] softirqs last enabled at (8210): [] irq_exit_rcu+0x93/0xc0 [ 51.123190] softirqs last disabled at (8205): [] irq_exit_rcu+0x93/0xc0 [ 51.123949] ---[ end trace 0000000000000000 ]--- [ 51.129785] ------------[ cut here ]------------ [ 51.130322] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.131579] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.132323] Modules linked in: [ 51.132635] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.133435] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.134086] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.134561] 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 [ 51.136173] RSP: 0018:ffff888016f17c00 EFLAGS: 00010282 [ 51.136612] RAX: 0000000000000000 RBX: ffff888015e2c240 RCX: 0000000000000000 [ 51.137196] RDX: ffff88800f540000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.137827] RBP: ffff888015e2c254 R08: 0000000000000001 R09: 0000000000000000 [ 51.138420] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.139103] R13: ffffffff84e223a0 R14: ffff888015e2c248 R15: ffffffff84da62e0 [ 51.139721] FS: 0000555556e95400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.140447] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.140936] CR2: 00007fd8616eb6f4 CR3: 0000000010220000 CR4: 0000000000350ef0 [ 51.141511] Call Trace: [ 51.141727] [ 51.141923] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.142388] ipv6_frags_init_net+0x206/0x3c0 [ 51.142775] ops_init+0xbb/0x6b0 [ 51.143067] setup_net+0x3d9/0x990 [ 51.143417] ? down_read_killable+0x1d7/0x4e0 [ 51.143802] ? __pfx_setup_net+0x10/0x10 [ 51.144135] ? copy_net_ns+0x17c/0x770 [ 51.144477] copy_net_ns+0x321/0x770 [ 51.144780] create_new_namespaces+0x3f6/0xb30 [ 51.145162] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.145576] ksys_unshare+0x44d/0x8e0 [ 51.145899] ? __pfx_ksys_unshare+0x10/0x10 [ 51.146253] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.146742] __x64_sys_unshare+0x31/0x40 [ 51.147117] do_syscall_64+0x3f/0x90 [ 51.147465] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.147894] RIP: 0033:0x7f5ef4e200d7 [ 51.148207] 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 [ 51.149637] RSP: 002b:00007fffd7da9528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.150224] RAX: ffffffffffffffda RBX: 00007fffd7da9b68 RCX: 00007f5ef4e200d7 [ 51.150840] RDX: 00007f5ef4e8a41f RSI: 00007fffd7da94c0 RDI: 0000000040000000 [ 51.151479] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffd7da92d0 [ 51.152055] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5ef4f32bf0 [ 51.152654] R13: 00007fffd7da9600 R14: 0000000000000000 R15: 00000000000000f8 [ 51.153240] [ 51.153469] irq event stamp: 10027 [ 51.153756] hardirqs last enabled at (10037): [] __up_console_sem+0x78/0x80 [ 51.154462] hardirqs last disabled at (10048): [] __up_console_sem+0x5d/0x80 [ 51.155216] softirqs last enabled at (9538): [] irq_exit_rcu+0x93/0xc0 [ 51.155965] softirqs last disabled at (9525): [] irq_exit_rcu+0x93/0xc0 [ 51.156668] ---[ end trace 0000000000000000 ]--- [ 51.157834] ------------[ cut here ]------------ [ 51.158226] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.159576] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.160274] Modules linked in: [ 51.160573] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.161395] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.162064] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.162537] 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 [ 51.164013] RSP: 0018:ffff888016f17bf0 EFLAGS: 00010286 [ 51.164486] RAX: 0000000000000000 RBX: ffff888015e2d240 RCX: 0000000000000000 [ 51.165019] RDX: ffff88800f540000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.165633] RBP: ffff888015e2d254 R08: 0000000000000001 R09: 0000000000000000 [ 51.166234] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.166904] R13: ffffffff84e223a0 R14: ffff888015e2d248 R15: ffffffff84daf020 [ 51.167487] FS: 0000555556e95400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.168125] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.168611] CR2: 00007fd8616eb6f4 CR3: 0000000010220000 CR4: 0000000000350ef0 [ 51.169187] Call Trace: [ 51.169444] [ 51.169640] nf_ct_net_init+0x224/0x3d0 [ 51.169981] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.170388] ops_init+0xbb/0x6b0 [ 51.170672] setup_net+0x3d9/0x990 [ 51.171008] ? down_read_killable+0x1d7/0x4e0 [ 51.171420] ? __pfx_setup_net+0x10/0x10 [ 51.171748] ? copy_net_ns+0x17c/0x770 [ 51.172061] copy_net_ns+0x321/0x770 [ 51.172426] create_new_namespaces+0x3f6/0xb30 [ 51.172813] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.173255] ksys_unshare+0x44d/0x8e0 [ 51.173607] ? __pfx_ksys_unshare+0x10/0x10 [ 51.173959] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.174492] __x64_sys_unshare+0x31/0x40 [ 51.174854] do_syscall_64+0x3f/0x90 [ 51.175156] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.175597] RIP: 0033:0x7f5ef4e200d7 [ 51.175888] 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 [ 51.177442] RSP: 002b:00007fffd7da9528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.178078] RAX: ffffffffffffffda RBX: 00007fffd7da9b68 RCX: 00007f5ef4e200d7 [ 51.178660] RDX: 00007f5ef4e8a41f RSI: 00007fffd7da94c0 RDI: 0000000040000000 [ 51.179258] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffd7da92d0 [ 51.179829] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f5ef4f32bf0 [ 51.180380] R13: 00007fffd7da9600 R14: 0000000000000000 R15: 00000000000000f8 [ 51.180925] [ 51.181121] irq event stamp: 10761 [ 51.181439] hardirqs last enabled at (10773): [] __up_console_sem+0x78/0x80 [ 51.182159] hardirqs last disabled at (10782): [] __up_console_sem+0x5d/0x80 [ 51.182953] softirqs last enabled at (9538): [] irq_exit_rcu+0x93/0xc0 [ 51.183679] softirqs last disabled at (9525): [] irq_exit_rcu+0x93/0xc0 [ 51.184394] ---[ end trace 0000000000000000 ]--- executing program [ 52.845139] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.892594] Bluetooth: hci0: command 0x041b tx timeout [ 56.940467] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.988498] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 08:51:48 Registers: info registers vcpu 0 RAX=0000000000000031 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016f175f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000031 R11=0000000000000001 R12=0000000000000031 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 0000555556e95400 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=00007fd8616eb6f4 CR3=0000000010220000 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=1ffff11003373ae9 RBX=ffff888019b9d740 RCX=0000000000000000 RDX=ffff88800f300000 RSI=ffffffff8197a0b0 RDI=ffff888019b9d748 RBP=0000000000001000 RSP=ffff8880173af8e8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffffea000055a800 R13=0000000000000001 R14=000000000000043a R15=dffffc0000000000 RIP=ffffffff8197a0c6 RFL=00000246 [---Z-P-] 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 00007f2c893fd700 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=00007fcf33329780 CR3=000000000c702000 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=2038343a31353a38302037312079614d XMM01=5d3330373939302e31352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3330373939302e31352020205b20 XMM07=732038343a31353a3830203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000