syzkaller login: [ 44.078166] sshd (225) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:51186' (ECDSA) to the list of known hosts. 2023/05/16 16:02:10 fuzzer started 2023/05/16 16:02:10 dialing manager at localhost:35573 2023/05/16 16:02:10 checking machine... 2023/05/16 16:02:10 checking revisions... [ 45.355490] kmemleak: Automatic memory scanning thread ended 2023/05/16 16:02:11 testing simple program... [ 45.430367] cgroup: Unknown subsys name 'net' [ 45.526207] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.561161] audit: type=1400 audit(1684252944.328:6): 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 [ 59.720657] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.722670] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.724578] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.727334] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.729907] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.731195] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 60.125498] ------------[ cut here ]------------ [ 60.126265] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 60.128289] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.129566] Modules linked in: [ 60.130047] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 60.134945] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.136139] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.136935] 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 [ 60.139246] RSP: 0018:ffff88801fbefc00 EFLAGS: 00010282 [ 60.139985] RAX: 0000000000000000 RBX: ffff88800d6b4c40 RCX: 0000000000000000 [ 60.140944] RDX: ffff888016e08000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 60.141884] RBP: ffff88800d6b4c54 R08: 0000000000000001 R09: 0000000000000000 [ 60.142850] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 60.143830] R13: ffffffff84e223a0 R14: ffff88800d6b4c48 R15: ffffffff84d73340 [ 60.144783] FS: 000055555608b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.145860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.146650] CR2: 00007efd258376f4 CR3: 000000001a246000 CR4: 0000000000350ee0 [ 60.147623] Call Trace: [ 60.147974] [ 60.148291] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 60.148974] ipv4_frags_init_net+0x269/0x440 [ 60.149601] ops_init+0xbb/0x6b0 [ 60.150078] setup_net+0x3d9/0x990 [ 60.150591] ? down_read_killable+0x1d7/0x4e0 [ 60.151221] ? __pfx_setup_net+0x10/0x10 [ 60.151805] ? copy_net_ns+0x17c/0x770 [ 60.152346] copy_net_ns+0x321/0x770 [ 60.152896] create_new_namespaces+0x3f6/0xb30 [ 60.153566] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.154226] ksys_unshare+0x44d/0x8e0 [ 60.154794] ? __pfx_ksys_unshare+0x10/0x10 [ 60.155390] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.156199] __x64_sys_unshare+0x31/0x40 [ 60.156804] do_syscall_64+0x3f/0x90 [ 60.157328] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.158041] RIP: 0033:0x7f6001a9f0d7 [ 60.158565] 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 [ 60.160905] RSP: 002b:00007ffe0ebceb38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.161933] RAX: ffffffffffffffda RBX: 00007ffe0ebcf178 RCX: 00007f6001a9f0d7 [ 60.162892] RDX: 00007f6001b0941f RSI: 00007ffe0ebcead0 RDI: 0000000040000000 [ 60.163865] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0ebce8e0 [ 60.164825] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6001bb1bf0 [ 60.165787] R13: 00007ffe0ebcec10 R14: 0000000000000000 R15: 00000000000000f8 [ 60.166768] [ 60.167103] irq event stamp: 8077 [ 60.167597] hardirqs last enabled at (8089): [] __up_console_sem+0x78/0x80 [ 60.168750] hardirqs last disabled at (8100): [] __up_console_sem+0x5d/0x80 [ 60.169904] softirqs last enabled at (7662): [] irq_exit_rcu+0x93/0xc0 [ 60.171005] softirqs last disabled at (7649): [] irq_exit_rcu+0x93/0xc0 [ 60.172124] ---[ end trace 0000000000000000 ]--- [ 60.177785] ------------[ cut here ]------------ [ 60.178379] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 60.180138] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.181198] Modules linked in: [ 60.181632] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 60.182787] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.183811] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.184479] 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 [ 60.186667] RSP: 0018:ffff88801fbefc00 EFLAGS: 00010282 [ 60.187341] RAX: 0000000000000000 RBX: ffff88800db7ea40 RCX: 0000000000000000 [ 60.188236] RDX: ffff888016e08000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 60.189123] RBP: ffff88800db7ea54 R08: 0000000000000001 R09: 0000000000000000 [ 60.190014] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.190899] R13: ffffffff84e223a0 R14: ffff88800db7ea48 R15: ffffffff84da62e0 [ 60.191799] FS: 000055555608b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.192790] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.193527] CR2: 00007efd258376f4 CR3: 000000001a246000 CR4: 0000000000350ee0 [ 60.194377] Call Trace: [ 60.194728] [ 60.195047] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 60.195688] ipv6_frags_init_net+0x206/0x3c0 [ 60.196244] ops_init+0xbb/0x6b0 [ 60.196707] setup_net+0x3d9/0x990 [ 60.197156] ? down_read_killable+0x1d7/0x4e0 [ 60.197745] ? __pfx_setup_net+0x10/0x10 [ 60.198251] ? copy_net_ns+0x17c/0x770 [ 60.198774] copy_net_ns+0x321/0x770 [ 60.199266] create_new_namespaces+0x3f6/0xb30 [ 60.199875] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.200508] ksys_unshare+0x44d/0x8e0 [ 60.200994] ? __pfx_ksys_unshare+0x10/0x10 [ 60.201559] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.202293] __x64_sys_unshare+0x31/0x40 executing program [ 60.202836] do_syscall_64+0x3f/0x90 [ 60.203506] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.204146] RIP: 0033:0x7f6001a9f0d7 [ 60.204651] 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 [ 60.206823] RSP: 002b:00007ffe0ebceb38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.207788] RAX: ffffffffffffffda RBX: 00007ffe0ebcf178 RCX: 00007f6001a9f0d7 [ 60.208682] RDX: 00007f6001b0941f RSI: 00007ffe0ebcead0 RDI: 0000000040000000 [ 60.209566] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0ebce8e0 [ 60.210458] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6001bb1bf0 [ 60.211326] R13: 00007ffe0ebcec10 R14: 0000000000000000 R15: 00000000000000f8 [ 60.212235] [ 60.212559] irq event stamp: 10129 [ 60.212995] hardirqs last enabled at (10139): [] __up_console_sem+0x78/0x80 [ 60.214065] hardirqs last disabled at (10150): [] __up_console_sem+0x5d/0x80 [ 60.215140] softirqs last enabled at (10002): [] irq_exit_rcu+0x93/0xc0 [ 60.216174] softirqs last disabled at (9997): [] irq_exit_rcu+0x93/0xc0 [ 60.217201] ---[ end trace 0000000000000000 ]--- [ 60.218618] ------------[ cut here ]------------ [ 60.219222] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 60.221241] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.222307] Modules linked in: [ 60.222730] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 60.223896] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.224913] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.225583] 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 [ 60.227776] RSP: 0018:ffff88801fbefbf0 EFLAGS: 00010286 [ 60.228452] RAX: 0000000000000000 RBX: ffff88800db7f040 RCX: 0000000000000000 [ 60.229320] RDX: ffff888016e08000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 60.230214] RBP: ffff88800db7f054 R08: 0000000000000001 R09: 0000000000000000 [ 60.231116] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.232007] R13: ffffffff84e223a0 R14: ffff88800db7f048 R15: ffffffff84daf020 [ 60.232901] FS: 000055555608b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.233900] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.234642] CR2: 00007efd258376f4 CR3: 000000001a246000 CR4: 0000000000350ee0 [ 60.235611] Call Trace: [ 60.235961] [ 60.236286] nf_ct_net_init+0x224/0x3d0 [ 60.236902] ? __pfx_nf_ct_net_init+0x10/0x10 [ 60.237555] ops_init+0xbb/0x6b0 [ 60.238036] setup_net+0x3d9/0x990 [ 60.238578] ? down_read_killable+0x1d7/0x4e0 [ 60.239212] ? __pfx_setup_net+0x10/0x10 [ 60.239795] ? copy_net_ns+0x17c/0x770 [ 60.240351] copy_net_ns+0x321/0x770 [ 60.240901] create_new_namespaces+0x3f6/0xb30 [ 60.241571] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.242240] ksys_unshare+0x44d/0x8e0 [ 60.242811] ? __pfx_ksys_unshare+0x10/0x10 [ 60.243449] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.244224] __x64_sys_unshare+0x31/0x40 [ 60.244802] do_syscall_64+0x3f/0x90 [ 60.245306] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.246015] RIP: 0033:0x7f6001a9f0d7 [ 60.246536] 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 [ 60.248876] RSP: 002b:00007ffe0ebceb38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.249883] RAX: ffffffffffffffda RBX: 00007ffe0ebcf178 RCX: 00007f6001a9f0d7 [ 60.250811] RDX: 00007f6001b0941f RSI: 00007ffe0ebcead0 RDI: 0000000040000000 [ 60.251768] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0ebce8e0 [ 60.252705] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6001bb1bf0 [ 60.253638] R13: 00007ffe0ebcec10 R14: 0000000000000000 R15: 00000000000000f8 [ 60.254604] [ 60.254921] irq event stamp: 10959 [ 60.255394] hardirqs last enabled at (10969): [] __up_console_sem+0x78/0x80 [ 60.256542] hardirqs last disabled at (10982): [] __up_console_sem+0x5d/0x80 [ 60.257664] softirqs last enabled at (10674): [] irq_exit_rcu+0x93/0xc0 [ 60.258765] softirqs last disabled at (10669): [] irq_exit_rcu+0x93/0xc0 [ 60.259896] ---[ end trace 0000000000000000 ]--- [ 61.804146] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.851481] Bluetooth: hci0: command 0x041b tx timeout [ 65.899485] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.947510] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 16:02:25 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888016baf498 RCX=0000000000000000 RDX=ffff88800f40d1c0 RSI=ffffffff844aa42d RDI=0000000000000005 RBP=0000000000000000 RSP=ffff888016baf3f8 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=ffff8880143239c2 R13=ffff888016baf4b0 R14=ffff8880102d47e8 R15=0000000000000000 RIP=ffffffff813500a0 RFL=00000293 [--S-A-C] 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 00007f764c2a9900 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=00007f764b7a20b8 CR3=000000000ecbe000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d8f928da5fab84ed000000000010e080 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=b37b3b2e8edc603400000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000002000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fbef5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 000055555608b400 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=00007efd258376f4 CR3=000000001a246000 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