syzkaller login: [ 35.046129] sshd (219) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:20960' (ECDSA) to the list of known hosts. 2023/05/16 21:33:40 fuzzer started 2023/05/16 21:33:40 dialing manager at localhost:35573 2023/05/16 21:33:40 checking machine... 2023/05/16 21:33:40 checking revisions... [ 37.079454] kmemleak: Automatic memory scanning thread ended 2023/05/16 21:33:40 testing simple program... [ 37.154093] cgroup: Unknown subsys name 'net' [ 37.255048] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.471322] audit: type=1400 audit(1684272833.280:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.621362] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.623793] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.625646] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.628455] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.630372] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.631691] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.066818] ------------[ cut here ]------------ [ 51.067608] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.069505] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.070689] Modules linked in: [ 51.071190] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.076031] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.077173] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.077895] 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 [ 51.080329] RSP: 0018:ffff888015ca7c00 EFLAGS: 00010282 [ 51.081087] RAX: 0000000000000000 RBX: ffff88800f1eb440 RCX: 0000000000000000 [ 51.082072] RDX: ffff88801a009b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.083080] RBP: ffff88800f1eb454 R08: 0000000000000001 R09: 0000000000000000 [ 51.084074] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.085056] R13: ffffffff84e223a0 R14: ffff88800f1eb448 R15: ffffffff84d73340 [ 51.086059] FS: 00005555556ed400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.087198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.088021] CR2: 00007f7e518d46f4 CR3: 000000000ee40000 CR4: 0000000000350ef0 [ 51.088999] Call Trace: [ 51.089363] [ 51.089690] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.090395] ipv4_frags_init_net+0x269/0x440 [ 51.091052] ops_init+0xbb/0x6b0 [ 51.091544] setup_net+0x3d9/0x990 [ 51.092074] ? down_read_killable+0x1d7/0x4e0 [ 51.092707] ? __pfx_setup_net+0x10/0x10 [ 51.093293] ? copy_net_ns+0x17c/0x770 [ 51.093857] copy_net_ns+0x321/0x770 [ 51.094423] create_new_namespaces+0x3f6/0xb30 [ 51.095135] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.095817] ksys_unshare+0x44d/0x8e0 [ 51.096404] ? __pfx_ksys_unshare+0x10/0x10 [ 51.097040] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.097836] __x64_sys_unshare+0x31/0x40 [ 51.098444] do_syscall_64+0x3f/0x90 [ 51.099014] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.099721] RIP: 0033:0x7f9fc74f00d7 [ 51.100263] 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 [ 51.102681] RSP: 002b:00007ffdd8fb57c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.103752] RAX: ffffffffffffffda RBX: 00007ffdd8fb5e08 RCX: 00007f9fc74f00d7 [ 51.104741] RDX: 00007f9fc755a41f RSI: 00007ffdd8fb5760 RDI: 0000000040000000 [ 51.105720] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdd8fb5570 [ 51.106699] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9fc7602bf0 [ 51.107702] R13: 00007ffdd8fb58a0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.108722] [ 51.109085] irq event stamp: 7731 [ 51.109559] hardirqs last enabled at (7741): [] __up_console_sem+0x78/0x80 [ 51.110735] hardirqs last disabled at (7752): [] __up_console_sem+0x5d/0x80 [ 51.111903] softirqs last enabled at (7556): [] irq_exit_rcu+0x93/0xc0 [ 51.113055] softirqs last disabled at (7551): [] irq_exit_rcu+0x93/0xc0 [ 51.114189] ---[ end trace 0000000000000000 ]--- [ 51.121800] ------------[ cut here ]------------ [ 51.122619] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.124455] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.125646] Modules linked in: [ 51.126130] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.127442] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.128559] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.129306] 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 [ 51.131734] RSP: 0018:ffff888015ca7c00 EFLAGS: 00010282 [ 51.132489] RAX: 0000000000000000 RBX: ffff88800d554e40 RCX: 0000000000000000 [ 51.133477] RDX: ffff88801a009b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.134457] RBP: ffff88800d554e54 R08: 0000000000000001 R09: 0000000000000000 [ 51.135453] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.136428] R13: ffffffff84e223a0 R14: ffff88800d554e48 R15: ffffffff84da62e0 [ 51.137419] FS: 00005555556ed400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.138541] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.139385] CR2: 00007f7e518d46f4 CR3: 000000000ee40000 CR4: 0000000000350ef0 [ 51.140380] Call Trace: [ 51.140746] [ 51.141112] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.141791] ipv6_frags_init_net+0x206/0x3c0 [ 51.142449] ops_init+0xbb/0x6b0 [ 51.142991] setup_net+0x3d9/0x990 [ 51.143494] ? down_read_killable+0x1d7/0x4e0 [ 51.144158] ? __pfx_setup_net+0x10/0x10 [ 51.144717] ? copy_net_ns+0x17c/0x770 [ 51.145309] copy_net_ns+0x321/0x770 [ 51.145841] create_new_namespaces+0x3f6/0xb30 [ 51.146527] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.147263] ksys_unshare+0x44d/0x8e0 [ 51.147809] ? __pfx_ksys_unshare+0x10/0x10 [ 51.148452] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.149288] __x64_sys_unshare+0x31/0x40 [ 51.149867] do_syscall_64+0x3f/0x90 [ 51.150425] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.151188] RIP: 0033:0x7f9fc74f00d7 [ 51.151698] 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 [ 51.154105] RSP: 002b:00007ffdd8fb57c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.155190] RAX: ffffffffffffffda RBX: 00007ffdd8fb5e08 RCX: 00007f9fc74f00d7 [ 51.156178] RDX: 00007f9fc755a41f RSI: 00007ffdd8fb5760 RDI: 0000000040000000 [ 51.157166] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdd8fb5570 [ 51.158165] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9fc7602bf0 [ 51.159169] R13: 00007ffdd8fb58a0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.160177] [ 51.160506] irq event stamp: 11291 [ 51.161017] hardirqs last enabled at (11303): [] __up_console_sem+0x78/0x80 [ 51.162214] hardirqs last disabled at (11314): [] __up_console_sem+0x5d/0x80 [ 51.163411] softirqs last enabled at (11264): [] irq_exit_rcu+0x93/0xc0 [ 51.164560] softirqs last disabled at (11259): [] irq_exit_rcu+0x93/0xc0 [ 51.165712] ---[ end trace 0000000000000000 ]--- [ 51.167187] ------------[ cut here ]------------ [ 51.167842] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.169896] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.171107] Modules linked in: [ 51.171552] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.172855] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.173988] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.174698] 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 [ 51.177130] RSP: 0018:ffff888015ca7bf0 EFLAGS: 00010286 [ 51.177849] RAX: 0000000000000000 RBX: ffff88800d554840 RCX: 0000000000000000 [ 51.178856] RDX: ffff88801a009b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.179841] RBP: ffff88800d554854 R08: 0000000000000001 R09: 0000000000000000 [ 51.180824] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.181823] R13: ffffffff84e223a0 R14: ffff88800d554848 R15: ffffffff84daf020 [ 51.182810] FS: 00005555556ed400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.183918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.184736] CR2: 00007f7e518d46f4 CR3: 000000000ee40000 CR4: 0000000000350ef0 [ 51.185724] Call Trace: [ 51.186114] [ 51.186447] nf_ct_net_init+0x224/0x3d0 [ 51.187066] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.187702] ops_init+0xbb/0x6b0 [ 51.188236] setup_net+0x3d9/0x990 [ 51.188745] ? down_read_killable+0x1d7/0x4e0 [ 51.189419] ? __pfx_setup_net+0x10/0x10 [ 51.190011] ? copy_net_ns+0x17c/0x770 [ 51.190572] copy_net_ns+0x321/0x770 [ 51.191154] create_new_namespaces+0x3f6/0xb30 [ 51.191811] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.192542] ksys_unshare+0x44d/0x8e0 [ 51.193121] ? __pfx_ksys_unshare+0x10/0x10 [ 51.193730] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.194565] __x64_sys_unshare+0x31/0x40 [ 51.195201] do_syscall_64+0x3f/0x90 [ 51.195725] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.196471] RIP: 0033:0x7f9fc74f00d7 [ 51.197014] 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 [ 51.199440] RSP: 002b:00007ffdd8fb57c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.200492] RAX: ffffffffffffffda RBX: 00007ffdd8fb5e08 RCX: 00007f9fc74f00d7 [ 51.201484] RDX: 00007f9fc755a41f RSI: 00007ffdd8fb5760 RDI: 0000000040000000 [ 51.202475] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdd8fb5570 [ 51.203483] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9fc7602bf0 [ 51.204470] R13: 00007ffdd8fb58a0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.205479] [ 51.205811] irq event stamp: 12037 [ 51.206323] hardirqs last enabled at (12049): [] __up_console_sem+0x78/0x80 [ 51.207542] hardirqs last disabled at (12060): [] __up_console_sem+0x5d/0x80 [ 51.208730] softirqs last enabled at (11264): [] irq_exit_rcu+0x93/0xc0 [ 51.209874] softirqs last disabled at (11259): [] irq_exit_rcu+0x93/0xc0 [ 51.211053] ---[ end trace 0000000000000000 ]--- executing program [ 52.708704] Bluetooth: hci0: command 0x0409 tx timeout [ 54.756124] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.804022] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.852053] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 21:33:55 Registers: info registers vcpu 0 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888015ca75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 00005555556ed400 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=00007f7e518d46f4 CR3=000000000ee40000 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=0000000000038e99 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000206 [-----P-] 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=00007fe9f64f06e0 CR3=000000000e904000 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=c7579439379ce283a741c2f65b949ede XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=31e169a18a35220f000000000013c0b0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=27ebc6c1ba0d029100000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000