syzkaller login: [ 35.566577] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:10350' (ECDSA) to the list of known hosts. 2023/05/17 14:53:46 fuzzer started 2023/05/17 14:53:47 dialing manager at localhost:44319 2023/05/17 14:53:47 checking machine... 2023/05/17 14:53:47 checking revisions... [ 36.893637] kmemleak: Automatic memory scanning thread ended 2023/05/17 14:53:47 testing simple program... [ 36.958186] cgroup: Unknown subsys name 'net' [ 37.047516] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.500755] audit: type=1400 audit(1684335241.049:6): 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 [ 51.658499] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.660832] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.662474] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.665860] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.667922] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.669626] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 52.072552] ------------[ cut here ]------------ [ 52.073196] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.074914] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.076001] Modules linked in: [ 52.076450] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.081747] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.082799] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.083482] 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 [ 52.085687] RSP: 0018:ffff888015befc00 EFLAGS: 00010282 [ 52.086345] RAX: 0000000000000000 RBX: ffff888015b7c040 RCX: 0000000000000000 [ 52.087249] RDX: ffff888016bb3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.088152] RBP: ffff888015b7c054 R08: 0000000000000001 R09: 0000000000000000 [ 52.089080] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.089988] R13: ffffffff84e23fe0 R14: ffff888015b7c048 R15: ffffffff84d74dc0 [ 52.090908] FS: 0000555556e6e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.091916] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.092663] CR2: 00007f47969fb6f4 CR3: 0000000016ba2000 CR4: 0000000000350ee0 [ 52.093551] Call Trace: [ 52.093895] [ 52.094198] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.094911] ipv4_frags_init_net+0x269/0x440 [ 52.095507] ops_init+0xbb/0x6b0 [ 52.095970] setup_net+0x3d9/0x990 [ 52.096468] ? down_read_killable+0x1d7/0x4e0 [ 52.097052] ? __pfx_setup_net+0x10/0x10 [ 52.097599] ? copy_net_ns+0x17c/0x770 [ 52.098122] copy_net_ns+0x321/0x770 [ 52.098659] create_new_namespaces+0x3f6/0xb30 [ 52.099260] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.099920] ksys_unshare+0x44d/0x8e0 [ 52.100458] ? __pfx_ksys_unshare+0x10/0x10 [ 52.101019] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.101763] __x64_sys_unshare+0x31/0x40 [ 52.102278] do_syscall_64+0x3f/0x90 [ 52.102805] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.103484] RIP: 0033:0x7f587369f0d7 [ 52.103954] 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 [ 52.106122] RSP: 002b:00007ffc691d58b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.107097] RAX: ffffffffffffffda RBX: 00007ffc691d5ef8 RCX: 00007f587369f0d7 [ 52.108000] RDX: 00007f587370941f RSI: 00007ffc691d5850 RDI: 0000000040000000 [ 52.108895] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc691d5660 [ 52.109788] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f58737b1bf0 [ 52.110685] R13: 00007ffc691d5990 R14: 0000000000000000 R15: 00000000000000f8 [ 52.111610] [ 52.111912] irq event stamp: 9111 [ 52.112330] hardirqs last enabled at (9121): [] __up_console_sem+0x78/0x80 [ 52.113405] hardirqs last disabled at (9134): [] __up_console_sem+0x5d/0x80 [ 52.114466] softirqs last enabled at (8604): [] irq_exit_rcu+0x93/0xc0 [ 52.115527] softirqs last disabled at (8577): [] irq_exit_rcu+0x93/0xc0 [ 52.116549] ---[ end trace 0000000000000000 ]--- [ 52.122006] ------------[ cut here ]------------ [ 52.122642] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.124304] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.125398] Modules linked in: [ 52.125809] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.127015] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.128068] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.128779] 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 [ 52.131019] RSP: 0018:ffff888015befc00 EFLAGS: 00010282 [ 52.131929] RAX: 0000000000000000 RBX: ffff888015b6ca40 RCX: 0000000000000000 [ 52.132887] RDX: ffff888016bb3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.133798] RBP: ffff888015b6ca54 R08: 0000000000000001 R09: 0000000000000000 [ 52.134719] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.135614] R13: ffffffff84e23fe0 R14: ffff888015b6ca48 R15: ffffffff84da7d60 [ 52.136502] FS: 0000555556e6e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.137505] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.138217] CR2: 00007f47969fb6f4 CR3: 0000000016ba2000 CR4: 0000000000350ee0 [ 52.139132] Call Trace: [ 52.139494] [ 52.139795] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.140432] ipv6_frags_init_net+0x206/0x3c0 [ 52.140993] ops_init+0xbb/0x6b0 [ 52.141475] setup_net+0x3d9/0x990 [ 52.141941] ? down_read_killable+0x1d7/0x4e0 [ 52.142553] ? __pfx_setup_net+0x10/0x10 [ 52.143075] ? copy_net_ns+0x17c/0x770 [ 52.143619] copy_net_ns+0x321/0x770 [ 52.144101] create_new_namespaces+0x3f6/0xb30 [ 52.144732] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.145361] ksys_unshare+0x44d/0x8e0 [ 52.145887] ? __pfx_ksys_unshare+0x10/0x10 [ 52.146472] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.147210] __x64_sys_unshare+0x31/0x40 [ 52.147756] do_syscall_64+0x3f/0x90 [ 52.148233] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.148900] RIP: 0033:0x7f587369f0d7 [ 52.149364] 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 [ 52.151555] RSP: 002b:00007ffc691d58b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.152512] RAX: ffffffffffffffda RBX: 00007ffc691d5ef8 RCX: 00007f587369f0d7 [ 52.153405] RDX: 00007f587370941f RSI: 00007ffc691d5850 RDI: 0000000040000000 [ 52.154272] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc691d5660 [ 52.155199] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f58737b1bf0 [ 52.156098] R13: 00007ffc691d5990 R14: 0000000000000000 R15: 00000000000000f8 [ 52.157015] [ 52.157321] irq event stamp: 10919 [ 52.157788] hardirqs last enabled at (10931): [] __up_console_sem+0x78/0x80 [ 52.158861] hardirqs last disabled at (10942): [] __up_console_sem+0x5d/0x80 [ 52.159928] softirqs last enabled at (10456): [] irq_exit_rcu+0x93/0xc0 [ 52.160987] softirqs last disabled at (10451): [] irq_exit_rcu+0x93/0xc0 [ 52.162058] ---[ end trace 0000000000000000 ]--- [ 52.163929] ------------[ cut here ]------------ [ 52.164676] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.166806] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.168008] Modules linked in: [ 52.168599] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.169799] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.170836] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.171518] 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 [ 52.173680] RSP: 0018:ffff888015befbf0 EFLAGS: 00010286 [ 52.174342] RAX: 0000000000000000 RBX: ffff888015b6d040 RCX: 0000000000000000 [ 52.175250] RDX: ffff888016bb3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.176149] RBP: ffff888015b6d054 R08: 0000000000000001 R09: 0000000000000000 [ 52.177041] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.177923] R13: ffffffff84e23fe0 R14: ffff888015b6d048 R15: ffffffff84db0aa0 [ 52.178872] FS: 0000555556e6e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.179868] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.180615] CR2: 00007f47969fb6f4 CR3: 0000000016ba2000 CR4: 0000000000350ee0 [ 52.181504] Call Trace: [ 52.181832] [ 52.182132] nf_ct_net_init+0x224/0x3d0 [ 52.182700] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.183279] ops_init+0xbb/0x6b0 [ 52.183886] setup_net+0x3d9/0x990 [ 52.184557] ? down_read_killable+0x1d7/0x4e0 [ 52.185171] ? __pfx_setup_net+0x10/0x10 [ 52.185722] ? copy_net_ns+0x17c/0x770 [ 52.186308] copy_net_ns+0x321/0x770 [ 52.186978] create_new_namespaces+0x3f6/0xb30 [ 52.187664] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.188284] ksys_unshare+0x44d/0x8e0 [ 52.188819] ? __pfx_ksys_unshare+0x10/0x10 [ 52.189424] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.190148] __x64_sys_unshare+0x31/0x40 [ 52.190713] do_syscall_64+0x3f/0x90 [ 52.191192] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.191870] RIP: 0033:0x7f587369f0d7 [ 52.192334] 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 [ 52.194534] RSP: 002b:00007ffc691d58b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.195493] RAX: ffffffffffffffda RBX: 00007ffc691d5ef8 RCX: 00007f587369f0d7 [ 52.196361] RDX: 00007f587370941f RSI: 00007ffc691d5850 RDI: 0000000040000000 [ 52.197262] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc691d5660 [ 52.198165] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f58737b1bf0 [ 52.199093] R13: 00007ffc691d5990 R14: 0000000000000000 R15: 00000000000000f8 [ 52.200015] [ 52.200323] irq event stamp: 11679 [ 52.200873] hardirqs last enabled at (11699): [] __up_console_sem+0x78/0x80 [ 52.201949] hardirqs last disabled at (11710): [] __up_console_sem+0x5d/0x80 [ 52.203031] softirqs last enabled at (11694): [] irq_exit_rcu+0x93/0xc0 [ 52.204091] softirqs last disabled at (11689): [] irq_exit_rcu+0x93/0xc0 [ 52.205137] ---[ end trace 0000000000000000 ]--- [ 53.737137] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.785030] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.832490] Bluetooth: hci0: command 0x040f tx timeout [ 59.880574] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:54:01 Registers: info registers vcpu 0 RAX=000000000001ce4f RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 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 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=00007f9c9f7b3a50 CR3=000000000d782000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=203f3d72646461203f3d656d616e7400 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000035 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888015bef5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000035 R11=0000000000000001 R12=0000000000000035 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 0000555556e6e400 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=00007f47969fb6f4 CR3=0000000016ba2000 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