syzkaller login: [ 33.187593] sshd (210) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:46813' (ECDSA) to the list of known hosts. 2023/05/17 22:00:09 fuzzer started 2023/05/17 22:00:09 dialing manager at localhost:44319 2023/05/17 22:00:09 checking machine... 2023/05/17 22:00:09 checking revisions... [ 37.642651] kmemleak: Automatic memory scanning thread ended 2023/05/17 22:00:09 testing simple program... [ 37.706957] cgroup: Unknown subsys name 'net' [ 37.790569] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.749519] audit: type=1400 audit(1684360821.689:6): 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 [ 50.860589] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.862036] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.863838] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.868175] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.870332] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.871612] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.247195] ------------[ cut here ]------------ [ 51.247920] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.250039] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.251165] Modules linked in: [ 51.251680] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.252915] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.254854] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.256360] 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 [ 51.259206] RSP: 0018:ffff88801f68fc00 EFLAGS: 00010282 [ 51.259961] RAX: 0000000000000000 RBX: ffff88800ce0f040 RCX: 0000000000000000 [ 51.260879] RDX: ffff8880176051c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.261787] RBP: ffff88800ce0f054 R08: 0000000000000001 R09: 0000000000000000 [ 51.262675] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.263512] R13: ffffffff84e23fe0 R14: ffff88800ce0f048 R15: ffffffff84d74dc0 [ 51.264319] FS: 0000555555dd9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.265258] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.265947] CR2: 00007fb43ff356f4 CR3: 000000000ec04000 CR4: 0000000000350ee0 [ 51.266798] Call Trace: [ 51.267107] [ 51.267387] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.267993] ipv4_frags_init_net+0x269/0x440 [ 51.268543] ops_init+0xbb/0x6b0 [ 51.268971] setup_net+0x3d9/0x990 [ 51.269398] ? down_read_killable+0x1d7/0x4e0 [ 51.269962] ? __pfx_setup_net+0x10/0x10 [ 51.270447] ? copy_net_ns+0x17c/0x770 [ 51.270964] copy_net_ns+0x321/0x770 [ 51.271416] create_new_namespaces+0x3f6/0xb30 [ 51.272001] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.272610] ksys_unshare+0x44d/0x8e0 [ 51.273069] ? __pfx_ksys_unshare+0x10/0x10 [ 51.273612] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.274282] __x64_sys_unshare+0x31/0x40 [ 51.274795] do_syscall_64+0x3f/0x90 [ 51.275247] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.275884] RIP: 0033:0x7f78b99730d7 [ 51.276317] 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 [ 51.278336] RSP: 002b:00007ffca1532348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.279222] RAX: ffffffffffffffda RBX: 00007ffca1532988 RCX: 00007f78b99730d7 [ 51.280037] RDX: 00007f78b99dd41f RSI: 00007ffca15322e0 RDI: 0000000040000000 [ 51.280863] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca15320f0 [ 51.281689] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f78b9a85bf0 [ 51.282522] R13: 00007ffca1532420 R14: 0000000000000000 R15: 00000000000000f8 [ 51.283340] [ 51.283648] irq event stamp: 8609 [ 51.284044] hardirqs last enabled at (8619): [] __up_console_sem+0x78/0x80 [ 51.285026] hardirqs last disabled at (8630): [] __up_console_sem+0x5d/0x80 [ 51.286011] softirqs last enabled at (8238): [] irq_exit_rcu+0x93/0xc0 [ 51.286990] softirqs last disabled at (8219): [] irq_exit_rcu+0x93/0xc0 [ 51.287949] ---[ end trace 0000000000000000 ]--- [ 51.293997] ------------[ cut here ]------------ [ 51.294602] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.296162] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.297206] Modules linked in: [ 51.297624] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.298708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.299651] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.300258] 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 [ 51.302339] RSP: 0018:ffff88801f68fc00 EFLAGS: 00010282 [ 51.302975] RAX: 0000000000000000 RBX: ffff88800dd90a40 RCX: 0000000000000000 [ 51.303809] RDX: ffff8880176051c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.304637] RBP: ffff88800dd90a54 R08: 0000000000000001 R09: 0000000000000000 [ 51.305425] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.306279] R13: ffffffff84e23fe0 R14: ffff88800dd90a48 R15: ffffffff84da7d60 [ 51.307122] FS: 0000555555dd9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.308139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.308895] CR2: 00007fb43ff356f4 CR3: 000000000ec04000 CR4: 0000000000350ee0 [ 51.309768] Call Trace: [ 51.310093] [ 51.310403] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.311050] ipv6_frags_init_net+0x206/0x3c0 [ 51.311639] ops_init+0xbb/0x6b0 [ 51.312083] setup_net+0x3d9/0x990 [ 51.312562] ? down_read_killable+0x1d7/0x4e0 [ 51.313126] ? __pfx_setup_net+0x10/0x10 [ 51.313652] ? copy_net_ns+0x17c/0x770 [ 51.314184] copy_net_ns+0x321/0x770 [ 51.314694] create_new_namespaces+0x3f6/0xb30 [ 51.315275] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.315916] ksys_unshare+0x44d/0x8e0 [ 51.316399] ? __pfx_ksys_unshare+0x10/0x10 [ 51.316966] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.317695] __x64_sys_unshare+0x31/0x40 [ 51.318216] do_syscall_64+0x3f/0x90 [ 51.318723] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.319368] RIP: 0033:0x7f78b99730d7 [ 51.319861] 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 [ 51.322002] RSP: 002b:00007ffca1532348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.322955] RAX: ffffffffffffffda RBX: 00007ffca1532988 RCX: 00007f78b99730d7 [ 51.323836] RDX: 00007f78b99dd41f RSI: 00007ffca15322e0 RDI: 0000000040000000 [ 51.324721] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca15320f0 [ 51.325605] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f78b9a85bf0 [ 51.326512] R13: 00007ffca1532420 R14: 0000000000000000 R15: 00000000000000f8 [ 51.327377] [ 51.327707] irq event stamp: 10629 [ 51.328139] hardirqs last enabled at (10639): [] __up_console_sem+0x78/0x80 [ 51.329198] hardirqs last disabled at (10650): [] __up_console_sem+0x5d/0x80 [ 51.330274] softirqs last enabled at (10156): [] irq_exit_rcu+0x93/0xc0 [ 51.331299] softirqs last disabled at (10151): [] irq_exit_rcu+0x93/0xc0 [ 51.332335] ---[ end trace 0000000000000000 ]--- [ 51.333674] ------------[ cut here ]------------ [ 51.334289] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.336134] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.337183] Modules linked in: [ 51.337617] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.338801] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.339789] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.340429] 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 [ 51.342605] RSP: 0018:ffff88801f68fbf0 EFLAGS: 00010286 [ 51.343245] RAX: 0000000000000000 RBX: ffff88800dd90240 RCX: 0000000000000000 [ 51.344122] RDX: ffff8880176051c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.344996] RBP: ffff88800dd90254 R08: 0000000000000001 R09: 0000000000000000 [ 51.345870] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.346749] R13: ffffffff84e23fe0 R14: ffff88800dd90248 R15: ffffffff84db0aa0 [ 51.347622] FS: 0000555555dd9400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.348595] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.349289] CR2: 00007fb43ff356f4 CR3: 000000000ec04000 CR4: 0000000000350ee0 [ 51.350189] Call Trace: [ 51.350548] [ 51.350844] nf_ct_net_init+0x224/0x3d0 [ 51.351355] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.351955] ops_init+0xbb/0x6b0 [ 51.352398] setup_net+0x3d9/0x990 [ 51.352888] ? down_read_killable+0x1d7/0x4e0 [ 51.353478] ? __pfx_setup_net+0x10/0x10 [ 51.353983] ? copy_net_ns+0x17c/0x770 [ 51.354520] copy_net_ns+0x321/0x770 [ 51.354999] create_new_namespaces+0x3f6/0xb30 [ 51.355609] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.356218] ksys_unshare+0x44d/0x8e0 [ 51.356736] ? __pfx_ksys_unshare+0x10/0x10 [ 51.357276] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.358009] __x64_sys_unshare+0x31/0x40 [ 51.358563] do_syscall_64+0x3f/0x90 [ 51.359039] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.359706] RIP: 0033:0x7f78b99730d7 [ 51.360165] 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 [ 51.362341] RSP: 002b:00007ffca1532348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.363286] RAX: ffffffffffffffda RBX: 00007ffca1532988 RCX: 00007f78b99730d7 [ 51.364168] RDX: 00007f78b99dd41f RSI: 00007ffca15322e0 RDI: 0000000040000000 [ 51.365045] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca15320f0 [ 51.365924] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f78b9a85bf0 [ 51.366811] R13: 00007ffca1532420 R14: 0000000000000000 R15: 00000000000000f8 [ 51.367712] [ 51.368011] irq event stamp: 11375 [ 51.368438] hardirqs last enabled at (11385): [] __up_console_sem+0x78/0x80 [ 51.369506] hardirqs last disabled at (11398): [] __up_console_sem+0x5d/0x80 [ 51.370600] softirqs last enabled at (11282): [] irq_exit_rcu+0x93/0xc0 [ 51.371663] softirqs last disabled at (11277): [] irq_exit_rcu+0x93/0xc0 [ 51.372701] ---[ end trace 0000000000000000 ]--- executing program [ 52.885151] Bluetooth: hci0: command 0x0409 tx timeout [ 54.932537] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.980597] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.028844] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 22:00:21 Registers: info registers vcpu 0 RAX=00000000a4001af1 RBX=ffff8880193151f0 RCX=0000000000000000 RDX=ffff88800de851c0 RSI=ffffffff81b2e25c RDI=ffff888019315790 RBP=ffff888019314f40 RSP=ffff8880159b7630 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000000 R12=ffff888018abb300 R13=ffff88801003a000 R14=ffff88801003a700 R15=ffff8880159b76a0 RIP=ffffffff81b2e267 RFL=00000293 [--S-A-C] 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 00007f10abd32700 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=00007f31f339f028 CR3=0000000015bf4000 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=2033323a30303a32322037312079614d XMM01=5d3531393235322e31352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3531393235322e31352020205b20 XMM07=732033323a30303a3232203731207961 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=ffff88801f68f578 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 0000555555dd9400 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=00007fb43ff356f4 CR3=000000000ec04000 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