Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:39105' (ECDSA) to the list of known hosts. 2023/05/17 06:57:38 fuzzer started 2023/05/17 06:57:38 dialing manager at localhost:35573 2023/05/17 06:57:38 checking machine... 2023/05/17 06:57:38 checking revisions... syzkaller login: [ 35.391690] kmemleak: Automatic memory scanning thread ended 2023/05/17 06:57:38 testing simple program... [ 35.473649] cgroup: Unknown subsys name 'net' [ 35.617936] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.682645] audit: type=1400 audit(1684306671.734:6): 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 [ 49.799351] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.801968] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.803167] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.806065] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.809348] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.810551] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.195293] ------------[ cut here ]------------ [ 50.195964] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.197966] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.199043] Modules linked in: [ 50.199453] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.204310] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.205416] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.206228] 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 [ 50.208540] RSP: 0018:ffff88801fc5fc00 EFLAGS: 00010282 [ 50.209347] RAX: 0000000000000000 RBX: ffff88800dd07440 RCX: 0000000000000000 [ 50.210403] RDX: ffff8880195d9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.211384] RBP: ffff88800dd07454 R08: 0000000000000001 R09: 0000000000000000 [ 50.212283] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.213159] R13: ffffffff84e223a0 R14: ffff88800dd07448 R15: ffffffff84d73340 [ 50.214032] FS: 00005555571f4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.215014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.215745] CR2: 00007f1e53c1a6f4 CR3: 0000000016970000 CR4: 0000000000350ee0 [ 50.216626] Call Trace: [ 50.216981] [ 50.217285] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.217920] ipv4_frags_init_net+0x269/0x440 [ 50.218473] ops_init+0xbb/0x6b0 [ 50.218960] setup_net+0x3d9/0x990 [ 50.219421] ? down_read_killable+0x1d7/0x4e0 [ 50.220012] ? __pfx_setup_net+0x10/0x10 [ 50.220520] ? copy_net_ns+0x17c/0x770 [ 50.221049] copy_net_ns+0x321/0x770 [ 50.221523] create_new_namespaces+0x3f6/0xb30 [ 50.222131] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.222744] ksys_unshare+0x44d/0x8e0 [ 50.223268] ? __pfx_ksys_unshare+0x10/0x10 [ 50.223836] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.224542] __x64_sys_unshare+0x31/0x40 [ 50.225083] do_syscall_64+0x3f/0x90 [ 50.225554] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.226222] RIP: 0033:0x7f9266e3c0d7 [ 50.226682] 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 [ 50.228859] RSP: 002b:00007ffc4978f228 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.229761] RAX: ffffffffffffffda RBX: 00007ffc4978f868 RCX: 00007f9266e3c0d7 [ 50.230636] RDX: 00007f9266ea641f RSI: 00007ffc4978f1c0 RDI: 0000000040000000 [ 50.231522] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc4978efd0 [ 50.232395] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9266f4ebf0 [ 50.233273] R13: 00007ffc4978f300 R14: 0000000000000000 R15: 00000000000000f8 [ 50.234175] [ 50.234476] irq event stamp: 9871 [ 50.234926] hardirqs last enabled at (9883): [] __up_console_sem+0x78/0x80 [ 50.235990] hardirqs last disabled at (9894): [] __up_console_sem+0x5d/0x80 [ 50.237048] softirqs last enabled at (9614): [] irq_exit_rcu+0x93/0xc0 [ 50.238069] softirqs last disabled at (9605): [] irq_exit_rcu+0x93/0xc0 [ 50.239108] ---[ end trace 0000000000000000 ]--- [ 50.243936] ------------[ cut here ]------------ [ 50.244526] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.246223] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.247300] Modules linked in: [ 50.247701] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.248855] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.249858] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.250489] 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 [ 50.252648] RSP: 0018:ffff88801fc5fc00 EFLAGS: 00010282 [ 50.253327] RAX: 0000000000000000 RBX: ffff88800d987a40 RCX: 0000000000000000 [ 50.254209] RDX: ffff8880195d9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.255110] RBP: ffff88800d987a54 R08: 0000000000000001 R09: 0000000000000000 [ 50.256004] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.256873] R13: ffffffff84e223a0 R14: ffff88800d987a48 R15: ffffffff84da62e0 [ 50.257726] FS: 00005555571f4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.258714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.259473] CR2: 00007f1e53c1a6f4 CR3: 0000000016970000 CR4: 0000000000350ee0 [ 50.260356] Call Trace: [ 50.260679] [ 50.261008] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.261619] ipv6_frags_init_net+0x206/0x3c0 [ 50.262199] ops_init+0xbb/0x6b0 [ 50.262638] setup_net+0x3d9/0x990 [ 50.263130] ? down_read_killable+0x1d7/0x4e0 [ 50.263690] ? __pfx_setup_net+0x10/0x10 [ 50.264221] ? copy_net_ns+0x17c/0x770 [ 50.264723] copy_net_ns+0x321/0x770 [ 50.265232] create_new_namespaces+0x3f6/0xb30 [ 50.265843] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.266468] ksys_unshare+0x44d/0x8e0 [ 50.267059] ? __pfx_ksys_unshare+0x10/0x10 [ 50.267602] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.268342] __x64_sys_unshare+0x31/0x40 [ 50.268888] do_syscall_64+0x3f/0x90 [ 50.269360] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.270026] RIP: 0033:0x7f9266e3c0d7 [ 50.270488] 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 [ 50.272634] RSP: 002b:00007ffc4978f228 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 executing program [ 50.273574] RAX: ffffffffffffffda RBX: 00007ffc4978f868 RCX: 00007f9266e3c0d7 [ 50.274706] RDX: 00007f9266ea641f RSI: 00007ffc4978f1c0 RDI: 0000000040000000 [ 50.275611] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc4978efd0 [ 50.276524] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9266f4ebf0 [ 50.277429] R13: 00007ffc4978f300 R14: 0000000000000000 R15: 00000000000000f8 [ 50.278362] [ 50.278658] irq event stamp: 11429 [ 50.279144] hardirqs last enabled at (11441): [] __up_console_sem+0x78/0x80 [ 50.280221] hardirqs last disabled at (11452): [] __up_console_sem+0x5d/0x80 [ 50.281295] softirqs last enabled at (11256): [] irq_exit_rcu+0x93/0xc0 [ 50.282348] softirqs last disabled at (11245): [] irq_exit_rcu+0x93/0xc0 [ 50.283405] ---[ end trace 0000000000000000 ]--- [ 50.284937] ------------[ cut here ]------------ [ 50.285525] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.287965] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.289024] Modules linked in: [ 50.289434] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.290590] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.291605] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.292292] 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 [ 50.294471] RSP: 0018:ffff88801fc5fbf0 EFLAGS: 00010286 [ 50.295177] RAX: 0000000000000000 RBX: ffff88800d987440 RCX: 0000000000000000 [ 50.296064] RDX: ffff8880195d9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.296950] RBP: ffff88800d987454 R08: 0000000000000001 R09: 0000000000000000 [ 50.297832] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.298678] R13: ffffffff84e223a0 R14: ffff88800d987448 R15: ffffffff84daf020 [ 50.299597] FS: 00005555571f4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.300580] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.301312] CR2: 00007f1e53c1a6f4 CR3: 0000000016970000 CR4: 0000000000350ee0 [ 50.302215] Call Trace: [ 50.302539] [ 50.302871] nf_ct_net_init+0x224/0x3d0 [ 50.303395] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.304005] ops_init+0xbb/0x6b0 [ 50.304455] setup_net+0x3d9/0x990 [ 50.304936] ? down_read_killable+0x1d7/0x4e0 [ 50.305501] ? __pfx_setup_net+0x10/0x10 [ 50.306039] ? copy_net_ns+0x17c/0x770 [ 50.306545] copy_net_ns+0x321/0x770 [ 50.307057] create_new_namespaces+0x3f6/0xb30 [ 50.307637] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.308272] ksys_unshare+0x44d/0x8e0 [ 50.308768] ? __pfx_ksys_unshare+0x10/0x10 [ 50.309332] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.310092] __x64_sys_unshare+0x31/0x40 [ 50.310613] do_syscall_64+0x3f/0x90 [ 50.311137] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.311776] RIP: 0033:0x7f9266e3c0d7 [ 50.312268] 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 [ 50.314434] RSP: 002b:00007ffc4978f228 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.315385] RAX: ffffffffffffffda RBX: 00007ffc4978f868 RCX: 00007f9266e3c0d7 [ 50.316271] RDX: 00007f9266ea641f RSI: 00007ffc4978f1c0 RDI: 0000000040000000 [ 50.317164] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc4978efd0 [ 50.318070] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9266f4ebf0 [ 50.318953] R13: 00007ffc4978f300 R14: 0000000000000000 R15: 00000000000000f8 [ 50.319888] [ 50.320186] irq event stamp: 12303 [ 50.320614] hardirqs last enabled at (12313): [] __up_console_sem+0x78/0x80 [ 50.321683] hardirqs last disabled at (12324): [] __up_console_sem+0x5d/0x80 [ 50.322743] softirqs last enabled at (12154): [] irq_exit_rcu+0x93/0xc0 [ 50.323826] softirqs last disabled at (12341): [] irq_exit_rcu+0x93/0xc0 [ 50.324860] ---[ end trace 0000000000000000 ]--- [ 51.875550] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 53.922954] Bluetooth: hci0: command 0x041b tx timeout [ 55.970863] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.018865] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:57:53 Registers: info registers vcpu 0 RAX=000000000002cb03 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=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=00007f54e3555430 CR3=00000000196c2000 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=2033353a37353a36302037312079614d XMM01=5d3334303939312e30352020205b203a XMM02=646f4d205d3334303939312e30352020 XMM03=6b7a79732033353a37353a3630203731 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3636393739312e30352020205b XMM07=79732033353a37353a36302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000032 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fc5f5f0 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 00005555571f4400 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=00007f1e53c1a6f4 CR3=0000000016970000 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