syzkaller login: [ 46.786763] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:45830' (ECDSA) to the list of known hosts. 2023/05/16 14:38:02 fuzzer started 2023/05/16 14:38:02 dialing manager at localhost:35573 2023/05/16 14:38:02 checking machine... 2023/05/16 14:38:02 checking revisions... [ 48.812858] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:38:02 testing simple program... [ 48.875169] cgroup: Unknown subsys name 'net' [ 48.951095] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 61.555491] audit: type=1400 audit(1684247895.304:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 62.737735] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 62.739407] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 62.741258] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 62.743915] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 62.745467] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 62.746898] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 63.155606] ------------[ cut here ]------------ [ 63.156278] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 63.158212] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.159602] Modules linked in: [ 63.160072] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.164970] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.166179] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.167022] 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 [ 63.169470] RSP: 0018:ffff88800db77c00 EFLAGS: 00010282 [ 63.170292] RAX: 0000000000000000 RBX: ffff88800cb79840 RCX: 0000000000000000 [ 63.171284] RDX: ffff888016ca0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.172292] RBP: ffff88800cb79854 R08: 0000000000000001 R09: 0000000000000000 [ 63.173248] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 63.174210] R13: ffffffff84e223a0 R14: ffff88800cb79848 R15: ffffffff84d73340 [ 63.175170] FS: 00005555565c7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 63.176271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.177097] CR2: 00007ff21370d6f4 CR3: 000000000f05a000 CR4: 0000000000350ef0 [ 63.178052] Call Trace: [ 63.178401] [ 63.178754] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 63.179409] ipv4_frags_init_net+0x269/0x440 [ 63.180087] ops_init+0xbb/0x6b0 [ 63.180602] setup_net+0x3d9/0x990 [ 63.181082] ? down_read_killable+0x1d7/0x4e0 [ 63.181733] ? __pfx_setup_net+0x10/0x10 [ 63.182296] ? copy_net_ns+0x17c/0x770 [ 63.182908] copy_net_ns+0x321/0x770 [ 63.183448] create_new_namespaces+0x3f6/0xb30 [ 63.184168] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.184893] ksys_unshare+0x44d/0x8e0 [ 63.185447] ? __pfx_ksys_unshare+0x10/0x10 [ 63.186080] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.186918] __x64_sys_unshare+0x31/0x40 [ 63.187487] do_syscall_64+0x3f/0x90 [ 63.188149] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.188887] RIP: 0033:0x7fbf1e1ee0d7 [ 63.189387] 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 [ 63.191697] RSP: 002b:00007ffd898a8a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 63.192752] RAX: ffffffffffffffda RBX: 00007ffd898a9088 RCX: 00007fbf1e1ee0d7 [ 63.193716] RDX: 00007fbf1e25841f RSI: 00007ffd898a89e0 RDI: 0000000040000000 [ 63.194669] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd898a87f0 [ 63.195634] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbf1e300bf0 [ 63.196594] R13: 00007ffd898a8b20 R14: 0000000000000000 R15: 00000000000000f8 [ 63.197539] [ 63.197898] irq event stamp: 8237 [ 63.198349] hardirqs last enabled at (8247): [] __up_console_sem+0x78/0x80 [ 63.199480] hardirqs last disabled at (8258): [] __up_console_sem+0x5d/0x80 [ 63.200625] softirqs last enabled at (8020): [] irq_exit_rcu+0x93/0xc0 [ 63.201746] softirqs last disabled at (8279): [] irq_exit_rcu+0x93/0xc0 [ 63.202844] ---[ end trace 0000000000000000 ]--- [ 63.211969] ------------[ cut here ]------------ [ 63.212661] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 63.214412] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.215679] Modules linked in: [ 63.216125] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.217458] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.218583] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.219275] 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 [ 63.221648] RSP: 0018:ffff88800db77c00 EFLAGS: 00010282 [ 63.222345] RAX: 0000000000000000 RBX: ffff88800eaee440 RCX: 0000000000000000 [ 63.223313] RDX: ffff888016ca0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.224273] RBP: ffff88800eaee454 R08: 0000000000000001 R09: 0000000000000000 [ 63.225229] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 63.226182] R13: ffffffff84e223a0 R14: ffff88800eaee448 R15: ffffffff84da62e0 [ 63.227135] FS: 00005555565c7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 63.228205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.229003] CR2: 00007fde6daa0a30 CR3: 000000000f05a000 CR4: 0000000000350ee0 [ 63.229961] Call Trace: [ 63.230309] [ 63.230670] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 63.231321] ipv6_frags_init_net+0x206/0x3c0 [ 63.231980] ops_init+0xbb/0x6b0 [ 63.232473] setup_net+0x3d9/0x990 [ 63.232990] ? down_read_killable+0x1d7/0x4e0 [ 63.233636] ? __pfx_setup_net+0x10/0x10 [ 63.234181] ? copy_net_ns+0x17c/0x770 [ 63.234758] copy_net_ns+0x321/0x770 [ 63.235281] create_new_namespaces+0x3f6/0xb30 [ 63.235957] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.236657] ksys_unshare+0x44d/0x8e0 [ 63.237193] ? __pfx_ksys_unshare+0x10/0x10 [ 63.237817] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.238627] __x64_sys_unshare+0x31/0x40 [ 63.239198] do_syscall_64+0x3f/0x90 [ 63.239738] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.240444] RIP: 0033:0x7fbf1e1ee0d7 [ 63.240974] 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 [ 63.243290] RSP: 002b:00007ffd898a8a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 63.244290] RAX: ffffffffffffffda RBX: 00007ffd898a9088 RCX: 00007fbf1e1ee0d7 [ 63.245284] RDX: 00007fbf1e25841f RSI: 00007ffd898a89e0 RDI: 0000000040000000 [ 63.246243] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd898a87f0 [ 63.247204] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbf1e300bf0 [ 63.248173] R13: 00007ffd898a8b20 R14: 0000000000000000 R15: 00000000000000f8 [ 63.249162] [ 63.249486] irq event stamp: 10591 [ 63.249984] hardirqs last enabled at (10603): [] __up_console_sem+0x78/0x80 [ 63.251151] hardirqs last disabled at (10614): [] __up_console_sem+0x5d/0x80 [ 63.252323] softirqs last enabled at (10318): [] irq_exit_rcu+0x93/0xc0 [ 63.253452] softirqs last disabled at (10313): [] irq_exit_rcu+0x93/0xc0 [ 63.254593] ---[ end trace 0000000000000000 ]--- [ 63.256120] ------------[ cut here ]------------ [ 63.256794] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 63.259009] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 63.260180] Modules linked in: [ 63.260662] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 63.261922] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 63.263033] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 63.263759] 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 [ 63.266126] RSP: 0018:ffff88800db77bf0 EFLAGS: 00010286 [ 63.266818] RAX: 0000000000000000 RBX: ffff88800eaef040 RCX: 0000000000000000 [ 63.267780] RDX: ffff888016ca0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 63.268773] RBP: ffff88800eaef054 R08: 0000000000000001 R09: 0000000000000000 [ 63.269746] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 63.270723] R13: ffffffff84e223a0 R14: ffff88800eaef048 R15: ffffffff84daf020 [ 63.271712] FS: 00005555565c7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 63.272831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.273655] CR2: 00007fde6daa0a30 CR3: 000000000f05a000 CR4: 0000000000350ee0 [ 63.274627] Call Trace: [ 63.274983] [ 63.275313] nf_ct_net_init+0x224/0x3d0 [ 63.275924] ? __pfx_nf_ct_net_init+0x10/0x10 [ 63.276593] ops_init+0xbb/0x6b0 [ 63.277085] setup_net+0x3d9/0x990 [ 63.277623] ? down_read_killable+0x1d7/0x4e0 [ 63.278250] ? __pfx_setup_net+0x10/0x10 [ 63.278840] ? copy_net_ns+0x17c/0x770 [ 63.279402] copy_net_ns+0x321/0x770 [ 63.279985] create_new_namespaces+0x3f6/0xb30 [ 63.280666] unshare_nsproxy_namespaces+0xc1/0x200 [ 63.281349] ksys_unshare+0x44d/0x8e0 [ 63.281931] ? __pfx_ksys_unshare+0x10/0x10 [ 63.282538] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 63.283359] __x64_sys_unshare+0x31/0x40 [ 63.283970] do_syscall_64+0x3f/0x90 [ 63.284497] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 63.285235] RIP: 0033:0x7fbf1e1ee0d7 [ 63.285783] 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 [ 63.288215] RSP: 002b:00007ffd898a8a48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 63.289201] RAX: ffffffffffffffda RBX: 00007ffd898a9088 RCX: 00007fbf1e1ee0d7 [ 63.290187] RDX: 00007fbf1e25841f RSI: 00007ffd898a89e0 RDI: 0000000040000000 [ 63.291066] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd898a87f0 [ 63.291967] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbf1e300bf0 [ 63.292851] R13: 00007ffd898a8b20 R14: 0000000000000000 R15: 00000000000000f8 [ 63.293752] [ 63.294049] irq event stamp: 11389 [ 63.294482] hardirqs last enabled at (11399): [] __up_console_sem+0x78/0x80 [ 63.295590] hardirqs last disabled at (11422): [] __up_console_sem+0x5d/0x80 [ 63.296677] softirqs last enabled at (11418): [] irq_exit_rcu+0x93/0xc0 [ 63.297712] softirqs last disabled at (11407): [] irq_exit_rcu+0x93/0xc0 [ 63.298756] ---[ end trace 0000000000000000 ]--- executing program [ 64.823274] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 66.870648] Bluetooth: hci0: command 0x041b tx timeout [ 68.918652] Bluetooth: hci0: command 0x040f tx timeout executing program [ 70.966641] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:38:04 Registers: info registers vcpu 0 RAX=0000000000000032 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800db775f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000032 R11=0000000000000001 R12=0000000000000032 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 00005555565c7400 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=00007ff21370d6f4 CR3=000000000f05a000 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=000000000004b2bd 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=00007fde6da6ddb0 CR3=0000000016648000 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=2036313a38333a34312036312079614d XMM01=5d3231323835312e33362020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3231323835312e33362020205b XMM07=79732036313a38333a34312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000