Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 184.580380] sshd (225) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:5668' (ECDSA) to the list of known hosts. 2023/05/17 11:03:13 fuzzer started 2023/05/17 11:03:13 dialing manager at localhost:44319 2023/05/17 11:03:13 checking machine... 2023/05/17 11:03:13 checking revisions... [ 185.558496] kmemleak: Automatic memory scanning thread ended 2023/05/17 11:03:13 testing simple program... [ 185.627294] cgroup: Unknown subsys name 'net' [ 185.720475] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 198.613326] audit: type=1400 audit(1684321406.797:6): 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 [ 199.770635] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 199.775443] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 199.776755] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 199.780011] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 199.782302] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 199.783432] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 200.165457] ------------[ cut here ]------------ [ 200.166137] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 200.167882] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 200.169093] Modules linked in: [ 200.169509] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 200.172924] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 200.175259] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 200.175928] 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 [ 200.178189] RSP: 0018:ffff8880201bfc00 EFLAGS: 00010282 [ 200.178844] RAX: 0000000000000000 RBX: ffff88800c7ee440 RCX: 0000000000000000 [ 200.179851] RDX: ffff88800fdfb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 200.180836] RBP: ffff88800c7ee454 R08: 0000000000000001 R09: 0000000000000000 [ 200.181821] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 200.182800] R13: ffffffff84e23fe0 R14: ffff88800c7ee448 R15: ffffffff84d74dc0 [ 200.183796] FS: 00005555571cb400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 200.184953] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 200.185871] CR2: 00007fdee06806f4 CR3: 000000000eee6000 CR4: 0000000000350ef0 [ 200.186860] Call Trace: [ 200.187373] [ 200.187702] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 200.188495] ipv4_frags_init_net+0x269/0x440 [ 200.189242] ops_init+0xbb/0x6b0 [ 200.189696] setup_net+0x3d9/0x990 [ 200.190279] ? down_read_killable+0x1d7/0x4e0 [ 200.190863] ? __pfx_setup_net+0x10/0x10 [ 200.191437] ? copy_net_ns+0x17c/0x770 [ 200.191975] copy_net_ns+0x321/0x770 [ 200.192496] create_new_namespaces+0x3f6/0xb30 [ 200.193127] unshare_nsproxy_namespaces+0xc1/0x200 [ 200.193760] ksys_unshare+0x44d/0x8e0 [ 200.194298] ? __pfx_ksys_unshare+0x10/0x10 [ 200.194855] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 200.195610] __x64_sys_unshare+0x31/0x40 [ 200.196188] do_syscall_64+0x3f/0x90 [ 200.196688] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 200.197383] RIP: 0033:0x7f640f29d0d7 [ 200.197857] 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 [ 200.200109] RSP: 002b:00007fff86b20388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 200.201085] RAX: ffffffffffffffda RBX: 00007fff86b209c8 RCX: 00007f640f29d0d7 [ 200.201948] RDX: 00007f640f30741f RSI: 00007fff86b20320 RDI: 0000000040000000 [ 200.202860] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff86b20130 [ 200.203786] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f640f3afbf0 [ 200.204695] R13: 00007fff86b20460 R14: 0000000000000000 R15: 00000000000000f8 [ 200.205634] [ 200.205939] irq event stamp: 9213 [ 200.206423] hardirqs last enabled at (9225): [] __up_console_sem+0x78/0x80 [ 200.207504] hardirqs last disabled at (9236): [] __up_console_sem+0x5d/0x80 [ 200.208615] softirqs last enabled at (9174): [] irq_exit_rcu+0x93/0xc0 [ 200.209668] softirqs last disabled at (9165): [] irq_exit_rcu+0x93/0xc0 [ 200.210731] ---[ end trace 0000000000000000 ]--- [ 200.216190] ------------[ cut here ]------------ [ 200.216799] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 200.218475] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 200.219598] Modules linked in: [ 200.220056] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 200.221254] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 200.222300] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 200.222961] 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 [ 200.225191] RSP: 0018:ffff8880201bfc00 EFLAGS: 00010282 [ 200.225864] RAX: 0000000000000000 RBX: ffff88800e500840 RCX: 0000000000000000 [ 200.226788] RDX: ffff88800fdfb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 200.227743] RBP: ffff88800e500854 R08: 0000000000000001 R09: 0000000000000000 [ 200.228667] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 200.229580] R13: ffffffff84e23fe0 R14: ffff88800e500848 R15: ffffffff84da7d60 [ 200.230501] FS: 00005555571cb400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 200.231527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 200.232297] CR2: 00007fdee06806f4 CR3: 000000000eee6000 CR4: 0000000000350ef0 [ 200.233213] Call Trace: [ 200.233551] [ 200.233852] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 200.234517] ipv6_frags_init_net+0x206/0x3c0 [ 200.235115] ops_init+0xbb/0x6b0 [ 200.235575] setup_net+0x3d9/0x990 [ 200.236084] ? down_read_killable+0x1d7/0x4e0 [ 200.236669] ? __pfx_setup_net+0x10/0x10 [ 200.237228] ? copy_net_ns+0x17c/0x770 [ 200.237749] copy_net_ns+0x321/0x770 [ 200.238275] create_new_namespaces+0x3f6/0xb30 [ 200.238873] unshare_nsproxy_namespaces+0xc1/0x200 [ 200.239530] ksys_unshare+0x44d/0x8e0 [ 200.240090] ? __pfx_ksys_unshare+0x10/0x10 [ 200.240649] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 200.241401] __x64_sys_unshare+0x31/0x40 [ 200.241922] do_syscall_64+0x3f/0x90 [ 200.242447] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 200.243131] RIP: 0033:0x7f640f29d0d7 [ 200.243601] 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 [ 200.245822] RSP: 002b:00007fff86b20388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 200.246790] RAX: ffffffffffffffda RBX: 00007fff86b209c8 RCX: 00007f640f29d0d7 [ 200.247726] RDX: 00007f640f30741f RSI: 00007fff86b20320 RDI: 0000000040000000 [ 200.248631] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff86b20130 [ 200.249543] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f640f3afbf0 [ 200.250450] R13: 00007fff86b20460 R14: 0000000000000000 R15: 00000000000000f8 [ 200.251387] [ 200.251701] irq event stamp: 10943 [ 200.252182] hardirqs last enabled at (10955): [] __up_console_sem+0x78/0x80 [ 200.253274] hardirqs last disabled at (10966): [] __up_console_sem+0x5d/0x80 [ 200.254372] softirqs last enabled at (10452): [] irq_exit_rcu+0x93/0xc0 [ 200.255425] softirqs last disabled at (10443): [] irq_exit_rcu+0x93/0xc0 [ 200.256489] ---[ end trace 0000000000000000 ]--- [ 200.257811] ------------[ cut here ]------------ [ 200.258447] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 200.260466] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 200.261542] Modules linked in: [ 200.261950] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 200.263120] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 200.264158] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 200.264809] 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 [ 200.267058] RSP: 0018:ffff8880201bfbf0 EFLAGS: 00010286 [ 200.267738] RAX: 0000000000000000 RBX: ffff88800e500e40 RCX: 0000000000000000 [ 200.268645] RDX: ffff88800fdfb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 200.269564] RBP: ffff88800e500e54 R08: 0000000000000001 R09: 0000000000000000 [ 200.270473] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 200.271378] R13: ffffffff84e23fe0 R14: ffff88800e500e48 R15: ffffffff84db0aa0 [ 200.272295] FS: 00005555571cb400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 200.273314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 200.274058] CR2: 00007fdee06806f4 CR3: 000000000eee6000 CR4: 0000000000350ef0 [ 200.274929] Call Trace: [ 200.275296] [ 200.275599] nf_ct_net_init+0x224/0x3d0 [ 200.276189] ? __pfx_nf_ct_net_init+0x10/0x10 [ 200.276771] ops_init+0xbb/0x6b0 [ 200.277269] setup_net+0x3d9/0x990 [ 200.277732] ? down_read_killable+0x1d7/0x4e0 [ 200.278343] ? __pfx_setup_net+0x10/0x10 [ 200.278861] ? copy_net_ns+0x17c/0x770 [ 200.279407] copy_net_ns+0x321/0x770 [ 200.279909] create_new_namespaces+0x3f6/0xb30 [ 200.280541] unshare_nsproxy_namespaces+0xc1/0x200 [ 200.281200] ksys_unshare+0x44d/0x8e0 [ 200.281691] ? __pfx_ksys_unshare+0x10/0x10 [ 200.282284] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 200.283000] __x64_sys_unshare+0x31/0x40 [ 200.283557] do_syscall_64+0x3f/0x90 [ 200.284094] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 200.284744] RIP: 0033:0x7f640f29d0d7 [ 200.285252] 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 [ 200.287437] RSP: 002b:00007fff86b20388 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 200.288418] RAX: ffffffffffffffda RBX: 00007fff86b209c8 RCX: 00007f640f29d0d7 [ 200.289318] RDX: 00007f640f30741f RSI: 00007fff86b20320 RDI: 0000000040000000 [ 200.290216] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff86b20130 [ 200.291107] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f640f3afbf0 [ 200.291973] R13: 00007fff86b20460 R14: 0000000000000000 R15: 00000000000000f8 [ 200.292895] [ 200.293237] irq event stamp: 11667 [ 200.293677] hardirqs last enabled at (11677): [] __up_console_sem+0x78/0x80 [ 200.294760] hardirqs last disabled at (11688): [] __up_console_sem+0x5d/0x80 [ 200.295863] softirqs last enabled at (11406): [] irq_exit_rcu+0x93/0xc0 [ 200.296923] softirqs last disabled at (11401): [] irq_exit_rcu+0x93/0xc0 [ 200.297975] ---[ end trace 0000000000000000 ]--- executing program [ 201.851722] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 203.899096] Bluetooth: hci0: command 0x041b tx timeout [ 205.947083] Bluetooth: hci0: command 0x040f tx timeout executing program [ 207.996108] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 11:00:57 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880201bf558 R8 =0000000000000004 R9 =0000000000000010 R10=000000000000000d R11=0000000000000001 R12=0000000000002710 R13=0000000000000060 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 00005555571cb400 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=00007fdee06806f4 CR3=000000000eee6000 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=dffffc0000000000 RBX=0000000000000001 RCX=1ffff11001f5fe9f RDX=1ffff11001f5fea1 RSI=ffff88800faff808 RDI=ffff88800faff508 RBP=ffff88800faff4f8 RSP=ffff88800faff430 R8 =ffffffff8612fe26 R9 =ffffffff8612fe2a R10=0000000000038001 R11=ffff88800faff4e0 R12=ffff88800faff500 R13=ffff88800faff4e8 R14=ffff88800faff810 R15=ffff88800faff4a0 RIP=ffffffff81130f7f RFL=00000246 [---Z-P-] 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f26829b6900 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=00007f2681dff8c0 CR3=000000000e6fa000 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=494e4f544f4e4f4d5f454352554f535f XMM01=4d49545f43494e4f544f4e4f4d5f4543 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=7881cf465372617f0000000000146db0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=b62c4609084d7eba00000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000