Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:14594' (ECDSA) to the list of known hosts. 2023/05/18 00:43:55 fuzzer started 2023/05/18 00:43:56 dialing manager at localhost:44319 2023/05/18 00:43:56 checking machine... 2023/05/18 00:43:56 checking revisions... syzkaller login: [ 54.582618] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:43:56 testing simple program... [ 54.653236] cgroup: Unknown subsys name 'net' [ 54.749396] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 67.704309] audit: type=1400 audit(1684370649.392:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 68.825626] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.828714] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.831300] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.835119] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.837027] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.840038] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.226206] ------------[ cut here ]------------ [ 69.227050] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 69.228803] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.229873] Modules linked in: [ 69.230294] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 69.235312] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.236428] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.237098] 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 [ 69.239299] RSP: 0018:ffff88801f767c00 EFLAGS: 00010282 [ 69.239983] RAX: 0000000000000000 RBX: ffff88800ef94440 RCX: 0000000000000000 [ 69.240868] RDX: ffff8880145e9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 69.241724] RBP: ffff88800ef94454 R08: 0000000000000001 R09: 0000000000000000 [ 69.242609] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 69.243494] R13: ffffffff84e23fe0 R14: ffff88800ef94448 R15: ffffffff84d74dc0 [ 69.244405] FS: 0000555556024400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 69.245394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.246151] CR2: 00007f6046d6a620 CR3: 000000000b86a000 CR4: 0000000000350ef0 [ 69.247032] Call Trace: [ 69.247359] [ 69.247656] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 69.248314] ipv4_frags_init_net+0x269/0x440 [ 69.248900] ops_init+0xbb/0x6b0 [ 69.249353] setup_net+0x3d9/0x990 [ 69.249846] ? down_read_killable+0x1d7/0x4e0 [ 69.250416] ? __pfx_setup_net+0x10/0x10 [ 69.250960] ? copy_net_ns+0x17c/0x770 [ 69.251470] copy_net_ns+0x321/0x770 [ 69.251992] create_new_namespaces+0x3f6/0xb30 [ 69.252577] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.253211] ksys_unshare+0x44d/0x8e0 [ 69.253712] ? __pfx_ksys_unshare+0x10/0x10 [ 69.254283] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.255024] __x64_sys_unshare+0x31/0x40 [ 69.255539] do_syscall_64+0x3f/0x90 [ 69.256037] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.256678] RIP: 0033:0x7f1e8a5310d7 [ 69.257159] 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 [ 69.259321] RSP: 002b:00007fffa7445df8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.260258] RAX: ffffffffffffffda RBX: 00007fffa7446438 RCX: 00007f1e8a5310d7 [ 69.261155] RDX: 00007f1e8a59b41f RSI: 00007fffa7445d90 RDI: 0000000040000000 [ 69.262062] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffa7445ba0 [ 69.262937] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1e8a643bf0 [ 69.263817] R13: 00007fffa7445ed0 R14: 0000000000000000 R15: 00000000000000f8 [ 69.264687] [ 69.265017] irq event stamp: 8101 [ 69.265435] hardirqs last enabled at (8111): [] __up_console_sem+0x78/0x80 [ 69.266481] hardirqs last disabled at (8122): [] __up_console_sem+0x5d/0x80 [ 69.267533] softirqs last enabled at (7674): [] irq_exit_rcu+0x93/0xc0 [ 69.268555] softirqs last disabled at (7663): [] irq_exit_rcu+0x93/0xc0 [ 69.269589] ---[ end trace 0000000000000000 ]--- [ 69.274823] ------------[ cut here ]------------ [ 69.275415] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 69.277117] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.278200] Modules linked in: [ 69.278602] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 69.279766] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.280771] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.281417] 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 [ 69.283583] RSP: 0018:ffff88801f767c00 EFLAGS: 00010282 [ 69.284259] RAX: 0000000000000000 RBX: ffff88801640c640 RCX: 0000000000000000 [ 69.285151] RDX: ffff8880145e9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 69.286039] RBP: ffff88801640c654 R08: 0000000000000001 R09: 0000000000000000 [ 69.286924] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 69.287798] R13: ffffffff84e23fe0 R14: ffff88801640c648 R15: ffffffff84da7d60 [ 69.288645] FS: 0000555556024400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 69.289652] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.290394] CR2: 00007f6046d6a620 CR3: 000000000b86a000 CR4: 0000000000350ef0 [ 69.291272] Call Trace: [ 69.291596] [ 69.291927] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 69.292545] ipv6_frags_init_net+0x206/0x3c0 [ 69.293133] ops_init+0xbb/0x6b0 [ 69.293591] setup_net+0x3d9/0x990 [ 69.294074] ? down_read_killable+0x1d7/0x4e0 [ 69.294644] ? __pfx_setup_net+0x10/0x10 [ 69.295177] ? copy_net_ns+0x17c/0x770 [ 69.295678] copy_net_ns+0x321/0x770 [ 69.296183] create_new_namespaces+0x3f6/0xb30 [ 69.296788] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.297396] ksys_unshare+0x44d/0x8e0 [ 69.297933] ? __pfx_ksys_unshare+0x10/0x10 [ 69.298471] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.299196] __x64_sys_unshare+0x31/0x40 [ 69.299708] do_syscall_64+0x3f/0x90 [ 69.300210] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.300873] RIP: 0033:0x7f1e8a5310d7 [ 69.301333] 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 [ 69.303516] RSP: 002b:00007fffa7445df8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.304446] RAX: ffffffffffffffda RBX: 00007fffa7446438 RCX: 00007f1e8a5310d7 [ 69.305322] RDX: 00007f1e8a59b41f RSI: 00007fffa7445d90 RDI: 0000000040000000 [ 69.306218] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffa7445ba0 [ 69.307101] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1e8a643bf0 [ 69.307977] R13: 00007fffa7445ed0 R14: 0000000000000000 R15: 00000000000000f8 [ 69.308878] [ 69.309175] irq event stamp: 9977 [ 69.309603] hardirqs last enabled at (9987): [] __up_console_sem+0x78/0x80 [ 69.310667] hardirqs last disabled at (10008): [] __up_console_sem+0x5d/0x80 [ 69.311724] softirqs last enabled at (10004): [] irq_exit_rcu+0x93/0xc0 [ 69.312769] softirqs last disabled at (9995): [] irq_exit_rcu+0x93/0xc0 [ 69.313798] ---[ end trace 0000000000000000 ]--- [ 69.315097] ------------[ cut here ]------------ [ 69.315676] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 69.317614] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.318685] Modules linked in: [ 69.319113] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 69.320270] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.321287] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.321977] 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 [ 69.324142] RSP: 0018:ffff88801f767bf0 EFLAGS: 00010286 [ 69.324815] RAX: 0000000000000000 RBX: ffff88801640cc40 RCX: 0000000000000000 [ 69.325669] RDX: ffff8880145e9b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 69.326549] RBP: ffff88801640cc54 R08: 0000000000000001 R09: 0000000000000000 [ 69.327428] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 69.328336] R13: ffffffff84e23fe0 R14: ffff88801640cc48 R15: ffffffff84db0aa0 [ 69.329244] FS: 0000555556024400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 69.330264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.330993] CR2: 00007f6046d6a620 CR3: 000000000b86a000 CR4: 0000000000350ef0 [ 69.331878] Call Trace: [ 69.332203] [ 69.332506] nf_ct_net_init+0x224/0x3d0 [ 69.333051] ? __pfx_nf_ct_net_init+0x10/0x10 [ 69.333633] ops_init+0xbb/0x6b0 [ 69.334098] setup_net+0x3d9/0x990 [ 69.334552] ? down_read_killable+0x1d7/0x4e0 [ 69.335154] ? __pfx_setup_net+0x10/0x10 [ 69.335662] ? copy_net_ns+0x17c/0x770 [ 69.336193] copy_net_ns+0x321/0x770 [ 69.336671] create_new_namespaces+0x3f6/0xb30 [ 69.337278] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.337947] ksys_unshare+0x44d/0x8e0 [ 69.338440] ? __pfx_ksys_unshare+0x10/0x10 [ 69.339010] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.339712] __x64_sys_unshare+0x31/0x40 [ 69.340257] do_syscall_64+0x3f/0x90 [ 69.340755] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.341399] RIP: 0033:0x7f1e8a5310d7 [ 69.341892] 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 [ 69.344028] RSP: 002b:00007fffa7445df8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.344967] RAX: ffffffffffffffda RBX: 00007fffa7446438 RCX: 00007f1e8a5310d7 [ 69.345871] RDX: 00007f1e8a59b41f RSI: 00007fffa7445d90 RDI: 0000000040000000 [ 69.346723] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffa7445ba0 [ 69.347602] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1e8a643bf0 [ 69.348476] R13: 00007fffa7445ed0 R14: 0000000000000000 R15: 00000000000000f8 [ 69.349382] [ 69.349694] irq event stamp: 10777 [ 69.350149] hardirqs last enabled at (10789): [] __up_console_sem+0x78/0x80 [ 69.351200] hardirqs last disabled at (10800): [] __up_console_sem+0x5d/0x80 [ 69.352252] softirqs last enabled at (10716): [] irq_exit_rcu+0x93/0xc0 [ 69.353283] softirqs last disabled at (10711): [] irq_exit_rcu+0x93/0xc0 [ 69.354348] ---[ end trace 0000000000000000 ]--- executing program [ 70.910464] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 72.957848] Bluetooth: hci0: command 0x041b tx timeout [ 75.005800] Bluetooth: hci0: command 0x040f tx timeout executing program [ 77.053835] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:43:45 Registers: info registers vcpu 0 RAX=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f7675f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000069 R11=0000000000000001 R12=0000000000000069 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 0000555556024400 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=00007f6046d6a620 CR3=000000000b86a000 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=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 info registers vcpu 1 RAX=000000000002ad17 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 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 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=00007f4c4c03b0c8 CR3=0000000016856000 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=2030313a34343a30302038312079614d XMM01=5d3337383932322e39362020205b203a XMM02=646f4d205d3337383932322e39362020 XMM03=6b7a79732030313a34343a3030203831 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3330383832322e39362020205b XMM07=79732030313a34343a30302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000