Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:26474' (ECDSA) to the list of known hosts. 2023/05/17 07:13:28 fuzzer started 2023/05/17 07:13:28 dialing manager at localhost:35573 2023/05/17 07:13:28 checking machine... 2023/05/17 07:13:28 checking revisions... syzkaller login: [ 36.739333] kmemleak: Automatic memory scanning thread ended 2023/05/17 07:13:29 testing simple program... [ 36.807521] cgroup: Unknown subsys name 'net' [ 36.887752] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.383280] audit: type=1400 audit(1684307622.731:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.532997] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.535054] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.537670] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.541252] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.542832] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.544397] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 51.963765] ------------[ cut here ]------------ [ 51.964495] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.966398] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.967535] Modules linked in: [ 51.967993] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.973309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.974537] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.975402] 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 [ 51.977855] RSP: 0018:ffff88801ebc7c00 EFLAGS: 00010282 [ 51.978736] RAX: 0000000000000000 RBX: ffff88800f732440 RCX: 0000000000000000 [ 51.979783] RDX: ffff88801ebb8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.980988] RBP: ffff88800f732454 R08: 0000000000000001 R09: 0000000000000000 [ 51.982046] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.983016] R13: ffffffff84e223a0 R14: ffff88800f732448 R15: ffffffff84d73340 [ 51.983992] FS: 0000555555e92400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.985070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.985860] CR2: 00007f1d024256f4 CR3: 00000000201f4000 CR4: 0000000000350ee0 [ 51.986822] Call Trace: [ 51.987202] [ 51.987525] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.988247] ipv4_frags_init_net+0x269/0x440 [ 51.988856] ops_init+0xbb/0x6b0 [ 51.989368] setup_net+0x3d9/0x990 [ 51.989858] ? down_read_killable+0x1d7/0x4e0 [ 51.990503] ? __pfx_setup_net+0x10/0x10 [ 51.991055] ? copy_net_ns+0x17c/0x770 [ 51.991631] copy_net_ns+0x321/0x770 [ 51.992192] create_new_namespaces+0x3f6/0xb30 [ 51.992825] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.993529] ksys_unshare+0x44d/0x8e0 [ 51.994060] ? __pfx_ksys_unshare+0x10/0x10 [ 51.994677] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.995484] __x64_sys_unshare+0x31/0x40 [ 51.996042] do_syscall_64+0x3f/0x90 [ 51.996587] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.997311] RIP: 0033:0x7f65a96490d7 [ 51.997812] 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 [ 52.000170] RSP: 002b:00007ffe69e435d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.001121] RAX: ffffffffffffffda RBX: 00007ffe69e43c18 RCX: 00007f65a96490d7 [ 52.002085] RDX: 00007f65a96b341f RSI: 00007ffe69e43570 RDI: 0000000040000000 [ 52.003024] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe69e43380 [ 52.003947] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f65a975bbf0 [ 52.004900] R13: 00007ffe69e436b0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.005879] [ 52.006233] irq event stamp: 8491 [ 52.006686] hardirqs last enabled at (8501): [] __up_console_sem+0x78/0x80 [ 52.007821] hardirqs last disabled at (8512): [] __up_console_sem+0x5d/0x80 [ 52.008982] softirqs last enabled at (8114): [] irq_exit_rcu+0x93/0xc0 [ 52.010104] softirqs last disabled at (8083): [] irq_exit_rcu+0x93/0xc0 [ 52.011223] ---[ end trace 0000000000000000 ]--- [ 52.017359] ------------[ cut here ]------------ [ 52.017992] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.019761] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.020913] Modules linked in: [ 52.021387] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.022638] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.023706] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.024469] 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 [ 52.026780] RSP: 0018:ffff88801ebc7c00 EFLAGS: 00010282 [ 52.027529] RAX: 0000000000000000 RBX: ffff88800e56e640 RCX: 0000000000000000 [ 52.028503] RDX: ffff88801ebb8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.029490] RBP: ffff88800e56e654 R08: 0000000000000001 R09: 0000000000000000 [ 52.030463] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.031391] R13: ffffffff84e223a0 R14: ffff88800e56e648 R15: ffffffff84da62e0 [ 52.032352] FS: 0000555555e92400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.033438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.034251] CR2: 00007f1d024256f4 CR3: 00000000201f4000 CR4: 0000000000350ee0 [ 52.035232] Call Trace: [ 52.035594] [ 52.035934] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.036629] ipv6_frags_init_net+0x206/0x3c0 [ 52.037286] ops_init+0xbb/0x6b0 [ 52.037782] setup_net+0x3d9/0x990 [ 52.038320] ? down_read_killable+0x1d7/0x4e0 [ 52.038944] ? __pfx_setup_net+0x10/0x10 [ 52.039495] ? copy_net_ns+0x17c/0x770 [ 52.040049] copy_net_ns+0x321/0x770 [ 52.040620] create_new_namespaces+0x3f6/0xb30 [ 52.041315] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.041996] ksys_unshare+0x44d/0x8e0 [ 52.042590] ? __pfx_ksys_unshare+0x10/0x10 [ 52.043241] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.044068] __x64_sys_unshare+0x31/0x40 [ 52.044699] do_syscall_64+0x3f/0x90 [ 52.045275] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.045992] RIP: 0033:0x7f65a96490d7 [ 52.046556] 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 [ 52.049048] RSP: 002b:00007ffe69e435d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.050124] RAX: ffffffffffffffda RBX: 00007ffe69e43c18 RCX: 00007f65a96490d7 [ 52.051121] RDX: 00007f65a96b341f RSI: 00007ffe69e43570 RDI: 0000000040000000 [ 52.052174] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe69e43380 [ 52.053194] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f65a975bbf0 [ 52.054207] R13: 00007ffe69e436b0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.055252] [ 52.055596] irq event stamp: 10453 [ 52.056111] hardirqs last enabled at (10463): [] __up_console_sem+0x78/0x80 [ 52.057342] hardirqs last disabled at (10476): [] __up_console_sem+0x5d/0x80 [ 52.058580] softirqs last enabled at (10020): [] irq_exit_rcu+0x93/0xc0 [ 52.059759] softirqs last disabled at (10015): [] irq_exit_rcu+0x93/0xc0 [ 52.060975] ---[ end trace 0000000000000000 ]--- [ 52.062482] ------------[ cut here ]------------ [ 52.063173] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.065367] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.066567] Modules linked in: [ 52.067033] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.068397] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.069564] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.070338] 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 [ 52.072861] RSP: 0018:ffff88801ebc7bf0 EFLAGS: 00010286 [ 52.073667] RAX: 0000000000000000 RBX: ffff88800c99f840 RCX: 0000000000000000 [ 52.074710] RDX: ffff88801ebb8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.075738] RBP: ffff88800c99f854 R08: 0000000000000001 R09: 0000000000000000 [ 52.076785] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.077822] R13: ffffffff84e223a0 R14: ffff88800c99f848 R15: ffffffff84daf020 [ 52.078853] FS: 0000555555e92400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.080026] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.080883] CR2: 00007f1d024256f4 CR3: 00000000201f4000 CR4: 0000000000350ee0 [ 52.081930] Call Trace: [ 52.082345] [ 52.082688] nf_ct_net_init+0x224/0x3d0 [ 52.083320] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.083991] ops_init+0xbb/0x6b0 [ 52.084543] setup_net+0x3d9/0x990 [ 52.085065] ? down_read_killable+0x1d7/0x4e0 [ 52.085770] ? __pfx_setup_net+0x10/0x10 [ 52.086392] ? copy_net_ns+0x17c/0x770 [ 52.086982] copy_net_ns+0x321/0x770 [ 52.087580] create_new_namespaces+0x3f6/0xb30 [ 52.088325] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.089047] ksys_unshare+0x44d/0x8e0 [ 52.089661] ? __pfx_ksys_unshare+0x10/0x10 [ 52.090337] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.091216] __x64_sys_unshare+0x31/0x40 [ 52.091815] do_syscall_64+0x3f/0x90 [ 52.092401] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.093118] RIP: 0033:0x7f65a96490d7 [ 52.093679] 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 [ 52.096027] RSP: 002b:00007ffe69e435d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.097105] RAX: ffffffffffffffda RBX: 00007ffe69e43c18 RCX: 00007f65a96490d7 [ 52.098101] RDX: 00007f65a96b341f RSI: 00007ffe69e43570 RDI: 0000000040000000 [ 52.099014] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe69e43380 [ 52.100050] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f65a975bbf0 [ 52.101056] R13: 00007ffe69e436b0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.102083] [ 52.102419] irq event stamp: 11215 [ 52.102851] hardirqs last enabled at (11225): [] __up_console_sem+0x78/0x80 [ 52.103927] hardirqs last disabled at (11236): [] __up_console_sem+0x5d/0x80 [ 52.105005] softirqs last enabled at (11040): [] irq_exit_rcu+0x93/0xc0 [ 52.106054] softirqs last disabled at (11035): [] irq_exit_rcu+0x93/0xc0 [ 52.107102] ---[ end trace 0000000000000000 ]--- [ 53.609806] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.657222] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.706221] Bluetooth: hci0: command 0x040f tx timeout [ 59.753217] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:13:44 Registers: info registers vcpu 0 RAX=000000000002e2ef RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000202 [-------] 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=00007f96924e6cc0 CR3=000000000debc000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=34386666666666666666203a33315200 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801ebc75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 0000555555e92400 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=00007f1d024256f4 CR3=00000000201f4000 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