syzkaller login: [ 120.503479] sshd (211) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:58857' (ECDSA) to the list of known hosts. 2023/05/18 09:53:16 fuzzer started 2023/05/18 09:53:17 dialing manager at localhost:44319 2023/05/18 09:53:17 checking machine... 2023/05/18 09:53:17 checking revisions... [ 125.044634] kmemleak: Automatic memory scanning thread ended 2023/05/18 09:53:17 testing simple program... [ 125.102229] cgroup: Unknown subsys name 'net' [ 125.202657] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 136.706088] audit: type=1400 audit(1684403608.974:6): 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 executing program [ 137.811446] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 137.812900] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 137.816036] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 137.819709] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 137.821536] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 137.822879] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 138.133415] ------------[ cut here ]------------ [ 138.134330] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 138.135759] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 138.136651] Modules linked in: [ 138.137002] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 138.138277] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 138.142518] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 138.143078] 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 [ 138.144937] RSP: 0018:ffff88801f407c00 EFLAGS: 00010282 [ 138.145519] RAX: 0000000000000000 RBX: ffff888016516040 RCX: 0000000000000000 [ 138.146290] RDX: ffff88801805b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 138.147030] RBP: ffff888016516054 R08: 0000000000000001 R09: 0000000000000000 [ 138.147803] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 138.148566] R13: ffffffff84e23fe0 R14: ffff888016516048 R15: ffffffff84d74dc0 [ 138.149322] FS: 0000555556c00400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 138.150160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 138.150796] CR2: 00007f2759bdf6f4 CR3: 000000000f142000 CR4: 0000000000350ee0 [ 138.151560] Call Trace: [ 138.151843] [ 138.152096] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 138.152649] ipv4_frags_init_net+0x269/0x440 [ 138.153120] ops_init+0xbb/0x6b0 [ 138.153535] setup_net+0x3d9/0x990 [ 138.153946] ? down_read_killable+0x1d7/0x4e0 [ 138.154471] ? __pfx_setup_net+0x10/0x10 [ 138.154911] ? copy_net_ns+0x17c/0x770 [ 138.155364] copy_net_ns+0x321/0x770 [ 138.155776] create_new_namespaces+0x3f6/0xb30 [ 138.156292] unshare_nsproxy_namespaces+0xc1/0x200 [ 138.156819] ksys_unshare+0x44d/0x8e0 [ 138.157257] ? __pfx_ksys_unshare+0x10/0x10 [ 138.157715] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 138.158357] __x64_sys_unshare+0x31/0x40 [ 138.158796] do_syscall_64+0x3f/0x90 [ 138.159226] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 138.159766] RIP: 0033:0x7fd6c8def0d7 [ 138.160152] 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 [ 138.161989] RSP: 002b:00007fff50e06308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 138.162785] RAX: ffffffffffffffda RBX: 00007fff50e06948 RCX: 00007fd6c8def0d7 [ 138.163535] RDX: 00007fd6c8e5941f RSI: 00007fff50e062a0 RDI: 0000000040000000 [ 138.164282] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff50e060b0 [ 138.165018] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd6c8f01bf0 [ 138.165781] R13: 00007fff50e063e0 R14: 0000000000000000 R15: 00000000000000f8 [ 138.166568] [ 138.166826] irq event stamp: 8141 [ 138.167208] hardirqs last enabled at (8153): [] __up_console_sem+0x78/0x80 [ 138.168099] hardirqs last disabled at (8164): [] __up_console_sem+0x5d/0x80 [ 138.169006] softirqs last enabled at (7884): [] irq_exit_rcu+0x93/0xc0 [ 138.169897] softirqs last disabled at (7879): [] irq_exit_rcu+0x93/0xc0 [ 138.170782] ---[ end trace 0000000000000000 ]--- [ 138.175471] ------------[ cut here ]------------ [ 138.175978] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 138.177426] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 138.178341] Modules linked in: [ 138.178685] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 138.179680] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 138.180550] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 138.181104] 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 [ 138.182970] RSP: 0018:ffff88801f407c00 EFLAGS: 00010282 [ 138.183555] RAX: 0000000000000000 RBX: ffff88801654ec40 RCX: 0000000000000000 [ 138.184329] RDX: ffff88801805b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 138.185053] RBP: ffff88801654ec54 R08: 0000000000000001 R09: 0000000000000000 [ 138.185818] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 138.186601] R13: ffffffff84e23fe0 R14: ffff88801654ec48 R15: ffffffff84da7d60 [ 138.187375] FS: 0000555556c00400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 138.188229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 138.188837] CR2: 00007f2759bdf6f4 CR3: 000000000f142000 CR4: 0000000000350ee0 [ 138.189617] Call Trace: [ 138.189897] [ 138.190194] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 138.190725] ipv6_frags_init_net+0x206/0x3c0 [ 138.191225] ops_init+0xbb/0x6b0 [ 138.191607] setup_net+0x3d9/0x990 [ 138.191998] ? down_read_killable+0x1d7/0x4e0 [ 138.192504] ? __pfx_setup_net+0x10/0x10 [ 138.192931] ? copy_net_ns+0x17c/0x770 [ 138.193390] copy_net_ns+0x321/0x770 [ 138.193800] create_new_namespaces+0x3f6/0xb30 [ 138.194324] unshare_nsproxy_namespaces+0xc1/0x200 [ 138.194846] ksys_unshare+0x44d/0x8e0 [ 138.195292] ? __pfx_ksys_unshare+0x10/0x10 [ 138.195752] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 138.196383] __x64_sys_unshare+0x31/0x40 [ 138.196827] do_syscall_64+0x3f/0x90 [ 138.197262] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 138.197821] RIP: 0033:0x7fd6c8def0d7 [ 138.198271] 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 [ 138.200148] RSP: 002b:00007fff50e06308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 138.200972] RAX: ffffffffffffffda RBX: 00007fff50e06948 RCX: 00007fd6c8def0d7 [ 138.201735] RDX: 00007fd6c8e5941f RSI: 00007fff50e062a0 RDI: 0000000040000000 [ 138.202524] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff50e060b0 [ 138.203306] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd6c8f01bf0 [ 138.204042] R13: 00007fff50e063e0 R14: 0000000000000000 R15: 00000000000000f8 [ 138.204833] [ 138.205089] irq event stamp: 9911 [ 138.205484] hardirqs last enabled at (9923): [] __up_console_sem+0x78/0x80 [ 138.206410] hardirqs last disabled at (9934): [] __up_console_sem+0x5d/0x80 [ 138.207311] softirqs last enabled at (8842): [] netlink_insert+0x187/0x1820 [ 138.208254] softirqs last disabled at (8840): [] release_sock+0x1f/0x1b0 [ 138.209100] ---[ end trace 0000000000000000 ]--- [ 138.210265] ------------[ cut here ]------------ [ 138.210770] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 138.212425] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 138.213312] Modules linked in: [ 138.213659] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 138.214659] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 138.215541] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 138.216087] 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 [ 138.217982] RSP: 0018:ffff88801f407bf0 EFLAGS: 00010286 [ 138.218569] RAX: 0000000000000000 RBX: ffff88800b8db440 RCX: 0000000000000000 [ 138.219322] RDX: ffff88801805b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 138.220059] RBP: ffff88800b8db454 R08: 0000000000000001 R09: 0000000000000000 [ 138.220811] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 138.221566] R13: ffffffff84e23fe0 R14: ffff88800b8db448 R15: ffffffff84db0aa0 [ 138.222347] FS: 0000555556c00400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 138.223207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 138.223813] CR2: 00007f2759bdf6f4 CR3: 000000000f142000 CR4: 0000000000350ee0 [ 138.224566] Call Trace: [ 138.224845] [ 138.225099] nf_ct_net_init+0x224/0x3d0 [ 138.225577] ? __pfx_nf_ct_net_init+0x10/0x10 [ 138.226082] ops_init+0xbb/0x6b0 [ 138.226489] setup_net+0x3d9/0x990 [ 138.226884] ? down_read_killable+0x1d7/0x4e0 [ 138.227393] ? __pfx_setup_net+0x10/0x10 [ 138.227827] ? copy_net_ns+0x17c/0x770 [ 138.228311] copy_net_ns+0x321/0x770 [ 138.228724] create_new_namespaces+0x3f6/0xb30 [ 138.229255] unshare_nsproxy_namespaces+0xc1/0x200 [ 138.229777] ksys_unshare+0x44d/0x8e0 [ 138.230245] ? __pfx_ksys_unshare+0x10/0x10 [ 138.230712] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 138.231358] __x64_sys_unshare+0x31/0x40 [ 138.231802] do_syscall_64+0x3f/0x90 [ 138.232235] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 138.232774] RIP: 0033:0x7fd6c8def0d7 [ 138.233161] 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 [ 138.235013] RSP: 002b:00007fff50e06308 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 138.235801] RAX: ffffffffffffffda RBX: 00007fff50e06948 RCX: 00007fd6c8def0d7 [ 138.236546] RDX: 00007fd6c8e5941f RSI: 00007fff50e062a0 RDI: 0000000040000000 [ 138.237283] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff50e060b0 [ 138.238008] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd6c8f01bf0 [ 138.238741] R13: 00007fff50e063e0 R14: 0000000000000000 R15: 00000000000000f8 [ 138.239497] [ 138.239748] irq event stamp: 10675 [ 138.240107] hardirqs last enabled at (10685): [] __up_console_sem+0x78/0x80 [ 138.240988] hardirqs last disabled at (10696): [] __up_console_sem+0x5d/0x80 [ 138.241889] softirqs last enabled at (10528): [] irq_exit_rcu+0x93/0xc0 [ 138.242806] softirqs last disabled at (10523): [] irq_exit_rcu+0x93/0xc0 [ 138.243681] ---[ end trace 0000000000000000 ]--- executing program [ 139.895874] Bluetooth: hci0: command 0x0409 tx timeout [ 141.943271] Bluetooth: hci0: command 0x041b tx timeout executing program [ 143.991445] Bluetooth: hci0: command 0x040f tx timeout executing program [ 146.039237] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 09:52:01 Registers: info registers vcpu 0 RAX=000000000002ebf9 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=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 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=00007f378b43e538 CR3=000000001658e000 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=5687021879ee41a8c64d0570f88a4886 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f600000000000cb500 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=e0f6fc15fb5dda7b00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000037 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f407618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000037 R11=0000000000000001 R12=0000000000000037 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 0000555556c00400 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=00007f2759bdf6f4 CR3=000000000f142000 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