syzkaller login: [ 35.514861] sshd (228) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:27772' (ECDSA) to the list of known hosts. 2023/05/18 06:00:20 fuzzer started 2023/05/18 06:00:21 dialing manager at localhost:44319 2023/05/18 06:00:21 checking machine... 2023/05/18 06:00:21 checking revisions... [ 36.744771] kmemleak: Automatic memory scanning thread ended 2023/05/18 06:00:21 testing simple program... [ 36.818567] cgroup: Unknown subsys name 'net' [ 36.889564] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.692080] audit: type=1400 audit(1684389635.308:6): avc: denied { execmem } for pid=260 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 51.840163] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.843009] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.844288] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.848230] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.851043] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.852531] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.276804] ------------[ cut here ]------------ [ 52.277538] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.279645] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.280787] Modules linked in: [ 52.281255] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.285603] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.286720] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.287480] 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 [ 52.289905] RSP: 0018:ffff88800fcffc00 EFLAGS: 00010282 [ 52.290693] RAX: 0000000000000000 RBX: ffff888006974440 RCX: 0000000000000000 [ 52.291714] RDX: ffff888016ca8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.292716] RBP: ffff888006974454 R08: 0000000000000001 R09: 0000000000000000 [ 52.293756] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.294742] R13: ffffffff84e23fe0 R14: ffff888006974448 R15: ffffffff84d74dc0 [ 52.295749] FS: 00005555561fa400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.296861] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.297682] CR2: 000055e23900c0d8 CR3: 000000001a018000 CR4: 0000000000350ee0 [ 52.298659] Call Trace: [ 52.299029] [ 52.299354] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.300060] ipv4_frags_init_net+0x269/0x440 [ 52.300758] ops_init+0xbb/0x6b0 [ 52.301257] setup_net+0x3d9/0x990 [ 52.301833] ? down_read_killable+0x1d7/0x4e0 [ 52.302487] ? __pfx_setup_net+0x10/0x10 [ 52.303075] ? copy_net_ns+0x17c/0x770 [ 52.303677] copy_net_ns+0x321/0x770 [ 52.304240] create_new_namespaces+0x3f6/0xb30 [ 52.304951] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.305680] ksys_unshare+0x44d/0x8e0 [ 52.306227] ? __pfx_ksys_unshare+0x10/0x10 [ 52.306895] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.307711] __x64_sys_unshare+0x31/0x40 [ 52.308275] do_syscall_64+0x3f/0x90 [ 52.308830] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.309558] RIP: 0033:0x7f966bd520d7 [ 52.310062] 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 [ 52.312435] RSP: 002b:00007ffe38a6d9c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.313490] RAX: ffffffffffffffda RBX: 00007ffe38a6e008 RCX: 00007f966bd520d7 [ 52.314542] RDX: 00007f966bdbc41f RSI: 00007ffe38a6d960 RDI: 0000000040000000 [ 52.315530] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe38a6d770 [ 52.316516] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f966be64bf0 [ 52.317481] R13: 00007ffe38a6daa0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.318473] [ 52.318824] irq event stamp: 7879 [ 52.319296] hardirqs last enabled at (7889): [] __up_console_sem+0x78/0x80 [ 52.320481] hardirqs last disabled at (7900): [] __up_console_sem+0x5d/0x80 [ 52.321628] softirqs last enabled at (7412): [] irq_exit_rcu+0x93/0xc0 [ 52.322747] softirqs last disabled at (7403): [] irq_exit_rcu+0x93/0xc0 [ 52.323916] ---[ end trace 0000000000000000 ]--- [ 52.330740] ------------[ cut here ]------------ [ 52.331445] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.333458] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.334624] Modules linked in: [ 52.335078] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.336326] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.337423] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.338103] 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 [ 52.340402] RSP: 0018:ffff88800fcffc00 EFLAGS: 00010282 [ 52.341077] RAX: 0000000000000000 RBX: ffff88801419a640 RCX: 0000000000000000 [ 52.342001] RDX: ffff888016ca8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.342946] RBP: ffff88801419a654 R08: 0000000000000001 R09: 0000000000000000 [ 52.343889] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.344864] R13: ffffffff84e23fe0 R14: ffff88801419a648 R15: ffffffff84da7d60 [ 52.345784] FS: 00005555561fa400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.346823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.347631] CR2: 000055e23900c0d8 CR3: 000000001a018000 CR4: 0000000000350ee0 [ 52.348576] Call Trace: [ 52.348917] [ 52.349221] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.349895] ipv6_frags_init_net+0x206/0x3c0 [ 52.350502] ops_init+0xbb/0x6b0 [ 52.350974] setup_net+0x3d9/0x990 [ 52.351484] ? down_read_killable+0x1d7/0x4e0 [ 52.352068] ? __pfx_setup_net+0x10/0x10 [ 52.352640] ? copy_net_ns+0x17c/0x770 [ 52.353194] copy_net_ns+0x321/0x770 [ 52.353727] create_new_namespaces+0x3f6/0xb30 [ 52.354334] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.355010] ksys_unshare+0x44d/0x8e0 [ 52.355548] ? __pfx_ksys_unshare+0x10/0x10 [ 52.356106] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.356927] __x64_sys_unshare+0x31/0x40 [ 52.357494] do_syscall_64+0x3f/0x90 [ 52.357988] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.358711] RIP: 0033:0x7f966bd520d7 [ 52.359213] 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 [ 52.361486] RSP: 002b:00007ffe38a6d9c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.362500] RAX: ffffffffffffffda RBX: 00007ffe38a6e008 RCX: 00007f966bd520d7 [ 52.363488] RDX: 00007f966bdbc41f RSI: 00007ffe38a6d960 RDI: 0000000040000000 [ 52.364413] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe38a6d770 [ 52.365327] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f966be64bf0 [ 52.366284] R13: 00007ffe38a6daa0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.367263] [ 52.367608] irq event stamp: 10211 [ 52.368062] hardirqs last enabled at (10221): [] __up_console_sem+0x78/0x80 [ 52.369160] hardirqs last disabled at (10232): [] __up_console_sem+0x5d/0x80 [ 52.370268] softirqs last enabled at (9720): [] irq_exit_rcu+0x93/0xc0 [ 52.371350] softirqs last disabled at (9715): [] irq_exit_rcu+0x93/0xc0 [ 52.372467] ---[ end trace 0000000000000000 ]--- [ 52.373912] ------------[ cut here ]------------ [ 52.374536] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.376690] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.377797] Modules linked in: [ 52.378224] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.379437] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.380488] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.381148] 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 [ 52.383437] RSP: 0018:ffff88800fcffbf0 EFLAGS: 00010286 [ 52.384145] RAX: 0000000000000000 RBX: ffff88801419a040 RCX: 0000000000000000 [ 52.385068] RDX: ffff888016ca8000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.385992] RBP: ffff88801419a054 R08: 0000000000000001 R09: 0000000000000000 [ 52.386911] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.387821] R13: ffffffff84e23fe0 R14: ffff88801419a048 R15: ffffffff84db0aa0 [ 52.388733] FS: 00005555561fa400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.389758] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.390517] CR2: 000055e23900c0d8 CR3: 000000001a018000 CR4: 0000000000350ee0 [ 52.391460] Call Trace: [ 52.391799] [ 52.392112] nf_ct_net_init+0x224/0x3d0 [ 52.392686] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.393279] ops_init+0xbb/0x6b0 [ 52.393770] setup_net+0x3d9/0x990 [ 52.394244] ? down_read_killable+0x1d7/0x4e0 [ 52.394868] ? __pfx_setup_net+0x10/0x10 [ 52.395430] ? copy_net_ns+0x17c/0x770 [ 52.395960] copy_net_ns+0x321/0x770 [ 52.396489] create_new_namespaces+0x3f6/0xb30 [ 52.397096] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.397777] ksys_unshare+0x44d/0x8e0 [ 52.398291] ? __pfx_ksys_unshare+0x10/0x10 [ 52.398893] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.399675] __x64_sys_unshare+0x31/0x40 [ 52.400218] do_syscall_64+0x3f/0x90 [ 52.400749] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.401447] RIP: 0033:0x7f966bd520d7 [ 52.401927] 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 [ 52.404239] RSP: 002b:00007ffe38a6d9c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.405171] RAX: ffffffffffffffda RBX: 00007ffe38a6e008 RCX: 00007f966bd520d7 [ 52.406052] RDX: 00007f966bdbc41f RSI: 00007ffe38a6d960 RDI: 0000000040000000 [ 52.406947] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe38a6d770 [ 52.407836] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f966be64bf0 [ 52.408720] R13: 00007ffe38a6daa0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.409636] [ 52.409936] irq event stamp: 10963 [ 52.410368] hardirqs last enabled at (10973): [] __up_console_sem+0x78/0x80 [ 52.411518] hardirqs last disabled at (10986): [] __up_console_sem+0x5d/0x80 [ 52.412585] softirqs last enabled at (10780): [] irq_exit_rcu+0x93/0xc0 [ 52.413622] softirqs last disabled at (10775): [] irq_exit_rcu+0x93/0xc0 [ 52.414668] ---[ end trace 0000000000000000 ]--- [ 53.923988] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.971518] Bluetooth: hci0: command 0x041b tx timeout executing program [ 58.019463] Bluetooth: hci0: command 0x040f tx timeout [ 60.067451] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:00:36 Registers: info registers vcpu 0 RAX=ffff88800de31870 RBX=ffff888009a482c8 RCX=1ffff11001bc83dc RDX=dffffc0000000000 RSI=ffff88800de22fb0 RDI=ffff888009a482f8 RBP=ffff88800d8c82d8 RSP=ffff888016def9c8 R8 =0000000000000001 R9 =0000000000000246 R10=0000000000000003 R11=0000000000000001 R12=ffff88800de22fa0 R13=0000000000000000 R14=ffff888019d65e88 R15=ffff888019d65e40 RIP=ffffffff818482b8 RFL=00000046 [---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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f2f94784900 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=00007f2f93c89000 CR3=000000001661a000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=49fad956b92572f8000000000013b9c8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=602dbeeac267e69000000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 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=ffff88800fcff5f0 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 00005555561fa400 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=000055e23900c0d8 CR3=000000001a018000 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