syzkaller login: [ 34.351035] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:50296' (ECDSA) to the list of known hosts. 2023/05/17 22:42:36 fuzzer started 2023/05/17 22:42:36 dialing manager at localhost:44319 2023/05/17 22:42:36 checking machine... 2023/05/17 22:42:36 checking revisions... [ 36.154873] kmemleak: Automatic memory scanning thread ended 2023/05/17 22:42:36 testing simple program... [ 36.224546] cgroup: Unknown subsys name 'net' [ 36.322282] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.662102] audit: type=1400 audit(1684363369.350:6): 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 [ 49.787210] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.791007] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.792279] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.796684] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.799798] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.801062] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.189682] ------------[ cut here ]------------ [ 50.190337] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.192252] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.193309] Modules linked in: [ 50.193760] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.198378] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.199401] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.200108] 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 [ 50.202290] RSP: 0018:ffff888016c8fc00 EFLAGS: 00010282 [ 50.203002] RAX: 0000000000000000 RBX: ffff888016129440 RCX: 0000000000000000 [ 50.203910] RDX: ffff8880184f9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.204842] RBP: ffff888016129454 R08: 0000000000000001 R09: 0000000000000000 [ 50.205756] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.206685] R13: ffffffff84e23fe0 R14: ffff888016129448 R15: ffffffff84d74dc0 [ 50.207606] FS: 00005555574da400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.208642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.209368] CR2: 00007faa212f06f4 CR3: 0000000016666000 CR4: 0000000000350ee0 [ 50.210304] Call Trace: [ 50.210671] [ 50.211013] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.211683] ipv4_frags_init_net+0x269/0x440 [ 50.212260] ops_init+0xbb/0x6b0 [ 50.212747] setup_net+0x3d9/0x990 [ 50.213213] ? down_read_killable+0x1d7/0x4e0 [ 50.213822] ? __pfx_setup_net+0x10/0x10 [ 50.214343] ? copy_net_ns+0x17c/0x770 [ 50.214900] copy_net_ns+0x321/0x770 [ 50.215399] create_new_namespaces+0x3f6/0xb30 [ 50.216040] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.216704] ksys_unshare+0x44d/0x8e0 [ 50.217210] ? __pfx_ksys_unshare+0x10/0x10 [ 50.217800] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.218566] __x64_sys_unshare+0x31/0x40 [ 50.219097] do_syscall_64+0x3f/0x90 [ 50.219626] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.220292] RIP: 0033:0x7f1ebb9790d7 [ 50.220806] 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 [ 50.223077] RSP: 002b:00007ffd143d7478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.224093] RAX: ffffffffffffffda RBX: 00007ffd143d7ab8 RCX: 00007f1ebb9790d7 [ 50.225013] RDX: 00007f1ebb9e341f RSI: 00007ffd143d7410 RDI: 0000000040000000 [ 50.225933] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd143d7220 [ 50.226859] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1ebba8bbf0 [ 50.227788] R13: 00007ffd143d7550 R14: 0000000000000000 R15: 00000000000000f8 [ 50.228738] [ 50.229048] irq event stamp: 8191 [ 50.229517] hardirqs last enabled at (8203): [] __up_console_sem+0x78/0x80 [ 50.230623] hardirqs last disabled at (8214): [] __up_console_sem+0x5d/0x80 [ 50.231730] softirqs last enabled at (8084): [] irq_exit_rcu+0x93/0xc0 [ 50.232799] softirqs last disabled at (8079): [] irq_exit_rcu+0x93/0xc0 [ 50.233871] ---[ end trace 0000000000000000 ]--- [ 50.240343] ------------[ cut here ]------------ [ 50.240970] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.242686] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.243735] Modules linked in: [ 50.244143] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.245292] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.246314] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.246994] 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 [ 50.249183] RSP: 0018:ffff888016c8fc00 EFLAGS: 00010282 [ 50.249868] RAX: 0000000000000000 RBX: ffff88800e1e3a40 RCX: 0000000000000000 [ 50.250761] RDX: ffff8880184f9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.251659] RBP: ffff88800e1e3a54 R08: 0000000000000001 R09: 0000000000000000 [ 50.252548] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.253450] R13: ffffffff84e23fe0 R14: ffff88800e1e3a48 R15: ffffffff84da7d60 [ 50.254306] FS: 00005555574da400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.255381] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.256110] CR2: 00007faa212f06f4 CR3: 0000000016666000 CR4: 0000000000350ee0 [ 50.257028] Call Trace: [ 50.257367] [ 50.257708] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.258352] ipv6_frags_init_net+0x206/0x3c0 [ 50.258974] ops_init+0xbb/0x6b0 [ 50.259481] setup_net+0x3d9/0x990 [ 50.259959] ? down_read_killable+0x1d7/0x4e0 [ 50.260582] ? __pfx_setup_net+0x10/0x10 [ 50.261115] ? copy_net_ns+0x17c/0x770 [ 50.261675] copy_net_ns+0x321/0x770 [ 50.262178] create_new_namespaces+0x3f6/0xb30 [ 50.262823] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.263470] ksys_unshare+0x44d/0x8e0 [ 50.263970] ? __pfx_ksys_unshare+0x10/0x10 [ 50.264547] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.265258] __x64_sys_unshare+0x31/0x40 [ 50.265805] do_syscall_64+0x3f/0x90 [ 50.266281] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.266982] RIP: 0033:0x7f1ebb9790d7 [ 50.267473] 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 [ 50.269646] RSP: 002b:00007ffd143d7478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.270599] RAX: ffffffffffffffda RBX: 00007ffd143d7ab8 RCX: 00007f1ebb9790d7 [ 50.271503] RDX: 00007f1ebb9e341f RSI: 00007ffd143d7410 RDI: 0000000040000000 [ 50.272359] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd143d7220 [ 50.273251] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1ebba8bbf0 [ 50.274152] R13: 00007ffd143d7550 R14: 0000000000000000 R15: 00000000000000f8 [ 50.275077] [ 50.275378] irq event stamp: 10745 [ 50.275844] hardirqs last enabled at (10757): [] __up_console_sem+0x78/0x80 [ 50.276904] hardirqs last disabled at (10768): [] __up_console_sem+0x5d/0x80 [ 50.277973] softirqs last enabled at (10360): [] irq_exit_rcu+0x93/0xc0 [ 50.279033] softirqs last disabled at (10355): [] irq_exit_rcu+0x93/0xc0 [ 50.280094] ---[ end trace 0000000000000000 ]--- [ 50.281504] ------------[ cut here ]------------ [ 50.282102] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.284042] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.285135] Modules linked in: [ 50.285576] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.286786] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.287830] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.288530] 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 [ 50.290825] RSP: 0018:ffff888016c8fbf0 EFLAGS: 00010286 [ 50.291534] RAX: 0000000000000000 RBX: ffff88800e8d0240 RCX: 0000000000000000 [ 50.292465] RDX: ffff8880184f9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.293362] RBP: ffff88800e8d0254 R08: 0000000000000001 R09: 0000000000000000 [ 50.294299] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.295231] R13: ffffffff84e23fe0 R14: ffff88800e8d0248 R15: ffffffff84db0aa0 [ 50.296120] FS: 00005555574da400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.297105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.297847] CR2: 00007faa212f06f4 CR3: 0000000016666000 CR4: 0000000000350ee0 [ 50.298745] Call Trace: [ 50.299069] [ 50.299368] nf_ct_net_init+0x224/0x3d0 [ 50.299940] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.300572] ops_init+0xbb/0x6b0 [ 50.301026] setup_net+0x3d9/0x990 [ 50.301531] ? down_read_killable+0x1d7/0x4e0 [ 50.302116] ? __pfx_setup_net+0x10/0x10 [ 50.302683] ? copy_net_ns+0x17c/0x770 [ 50.303205] copy_net_ns+0x321/0x770 [ 50.303742] create_new_namespaces+0x3f6/0xb30 [ 50.304343] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.304998] ksys_unshare+0x44d/0x8e0 [ 50.305520] ? __pfx_ksys_unshare+0x10/0x10 [ 50.306083] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.306868] __x64_sys_unshare+0x31/0x40 [ 50.307401] do_syscall_64+0x3f/0x90 [ 50.307925] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.308602] RIP: 0033:0x7f1ebb9790d7 [ 50.309074] 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 [ 50.311250] RSP: 002b:00007ffd143d7478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.312216] RAX: ffffffffffffffda RBX: 00007ffd143d7ab8 RCX: 00007f1ebb9790d7 [ 50.313128] RDX: 00007f1ebb9e341f RSI: 00007ffd143d7410 RDI: 0000000040000000 [ 50.314045] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd143d7220 [ 50.314954] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1ebba8bbf0 [ 50.315860] R13: 00007ffd143d7550 R14: 0000000000000000 R15: 00000000000000f8 [ 50.316803] [ 50.317115] irq event stamp: 11551 [ 50.317592] hardirqs last enabled at (11563): [] __up_console_sem+0x78/0x80 [ 50.318652] hardirqs last disabled at (11574): [] __up_console_sem+0x5d/0x80 [ 50.319744] softirqs last enabled at (11512): [] irq_exit_rcu+0x93/0xc0 [ 50.320781] softirqs last disabled at (11507): [] irq_exit_rcu+0x93/0xc0 [ 50.321809] ---[ end trace 0000000000000000 ]--- executing program [ 51.864044] Bluetooth: hci0: command 0x0409 tx timeout [ 53.912061] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.959773] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.007787] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 22:42:50 Registers: info registers vcpu 0 RAX=0000000000021a03 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=00007ff1d1ea6de0 CR3=000000000cf90000 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=2030353a32343a32322037312079614d XMM01=5d3036373339312e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d30 XMM07=6e72656b2072656c6c616b7a79732030 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888016c8f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 00005555574da400 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=00007faa212f06f4 CR3=0000000016666000 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