[ OK ] Finished Update UTMP about System Runlevel Changes. Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:4251' (ECDSA) to the list of known hosts. 2023/05/17 08:28:44 fuzzer started 2023/05/17 08:28:44 dialing manager at localhost:35573 2023/05/17 08:28:44 checking machine... 2023/05/17 08:28:44 checking revisions... syzkaller login: [ 31.451929] kmemleak: Automatic memory scanning thread ended 2023/05/17 08:28:45 testing simple program... [ 31.526821] cgroup: Unknown subsys name 'net' [ 31.604065] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.690522] audit: type=1400 audit(1684312137.306:6): 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 [ 44.795735] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.797024] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.799235] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.801435] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.803207] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.803929] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.112466] ------------[ cut here ]------------ [ 45.112954] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.114164] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.114849] Modules linked in: [ 45.115120] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.116162] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.118657] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.119095] 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 [ 45.120527] RSP: 0018:ffff88801cb77c00 EFLAGS: 00010282 [ 45.120961] RAX: 0000000000000000 RBX: ffff88800f2a1c40 RCX: 0000000000000000 [ 45.121549] RDX: ffff8880197351c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.122165] RBP: ffff88800f2a1c54 R08: 0000000000000001 R09: 0000000000000000 [ 45.122726] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.123340] R13: ffffffff84e223a0 R14: ffff88800f2a1c48 R15: ffffffff84d73340 [ 45.123901] FS: 00005555567fa400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.124604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.125075] CR2: 00007f84d944f6f4 CR3: 0000000010244000 CR4: 0000000000350ef0 [ 45.125699] Call Trace: [ 45.125945] [ 45.126165] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.126562] ipv4_frags_init_net+0x269/0x440 [ 45.126928] ops_init+0xbb/0x6b0 [ 45.127233] setup_net+0x3d9/0x990 [ 45.127536] ? down_read_killable+0x1d7/0x4e0 [ 45.127912] ? __pfx_setup_net+0x10/0x10 [ 45.128284] ? copy_net_ns+0x17c/0x770 [ 45.128619] copy_net_ns+0x321/0x770 [ 45.128937] create_new_namespaces+0x3f6/0xb30 [ 45.129350] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.129799] ksys_unshare+0x44d/0x8e0 [ 45.130118] ? __pfx_ksys_unshare+0x10/0x10 [ 45.130505] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.130994] __x64_sys_unshare+0x31/0x40 [ 45.131374] do_syscall_64+0x3f/0x90 [ 45.131691] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.132097] RIP: 0033:0x7f1ae81d40d7 [ 45.132434] 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 [ 45.133889] RSP: 002b:00007ffef9cc90f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.134504] RAX: ffffffffffffffda RBX: 00007ffef9cc9738 RCX: 00007f1ae81d40d7 [ 45.135058] RDX: 00007f1ae823e41f RSI: 00007ffef9cc9090 RDI: 0000000040000000 [ 45.135703] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef9cc8ea0 [ 45.136296] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1ae82e6bf0 [ 45.136842] R13: 00007ffef9cc91d0 R14: 0000000000000000 R15: 00000000000000f8 [ 45.137450] [ 45.137672] irq event stamp: 8021 [ 45.137962] hardirqs last enabled at (8031): [] __up_console_sem+0x78/0x80 [ 45.138665] hardirqs last disabled at (8042): [] __up_console_sem+0x5d/0x80 [ 45.139351] softirqs last enabled at (7440): [] irq_exit_rcu+0x93/0xc0 [ 45.140016] softirqs last disabled at (7435): [] irq_exit_rcu+0x93/0xc0 [ 45.140707] ---[ end trace 0000000000000000 ]--- [ 45.145007] ------------[ cut here ]------------ [ 45.145509] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.146656] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.147376] Modules linked in: [ 45.147657] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.148427] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.149055] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.149504] 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 [ 45.150966] RSP: 0018:ffff88801cb77c00 EFLAGS: 00010282 [ 45.151424] RAX: 0000000000000000 RBX: ffff888008ef4c40 RCX: 0000000000000000 [ 45.151969] RDX: ffff8880197351c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.152534] RBP: ffff888008ef4c54 R08: 0000000000000001 R09: 0000000000000000 [ 45.153071] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.153711] R13: ffffffff84e223a0 R14: ffff888008ef4c48 R15: ffffffff84da62e0 [ 45.154301] FS: 00005555567fa400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.154909] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.155407] CR2: 00007f84d944f6f4 CR3: 0000000010244000 CR4: 0000000000350ef0 [ 45.155961] Call Trace: [ 45.156191] [ 45.156392] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.156780] ipv6_frags_init_net+0x206/0x3c0 [ 45.157153] ops_init+0xbb/0x6b0 [ 45.157436] setup_net+0x3d9/0x990 [ 45.157752] ? down_read_killable+0x1d7/0x4e0 [ 45.158153] ? __pfx_setup_net+0x10/0x10 [ 45.158483] ? copy_net_ns+0x17c/0x770 [ 45.158795] copy_net_ns+0x321/0x770 [ 45.159095] create_new_namespaces+0x3f6/0xb30 [ 45.159494] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.159879] ksys_unshare+0x44d/0x8e0 [ 45.160236] ? __pfx_ksys_unshare+0x10/0x10 [ 45.160589] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.161054] __x64_sys_unshare+0x31/0x40 [ 45.161426] do_syscall_64+0x3f/0x90 [ 45.161789] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.162254] RIP: 0033:0x7f1ae81d40d7 [ 45.162559] 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 [ 45.164025] RSP: 002b:00007ffef9cc90f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.164736] RAX: ffffffffffffffda RBX: 00007ffef9cc9738 RCX: 00007f1ae81d40d7 [ 45.165395] RDX: 00007f1ae823e41f RSI: 00007ffef9cc9090 RDI: 0000000040000000 [ 45.166012] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef9cc8ea0 [ 45.166635] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1ae82e6bf0 [ 45.167274] R13: 00007ffef9cc91d0 R14: 0000000000000000 R15: 00000000000000f8 [ 45.167907] [ 45.168162] irq event stamp: 9871 [ 45.168450] hardirqs last enabled at (9881): [] __up_console_sem+0x78/0x80 [ 45.169213] hardirqs last disabled at (9892): [] __up_console_sem+0x5d/0x80 [ 45.169976] softirqs last enabled at (9844): [] irq_exit_rcu+0x93/0xc0 [ 45.170703] softirqs last disabled at (9839): [] irq_exit_rcu+0x93/0xc0 [ 45.171439] ---[ end trace 0000000000000000 ]--- [ 45.172618] ------------[ cut here ]------------ [ 45.173035] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.174462] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.175216] Modules linked in: [ 45.175506] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.176576] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.177344] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.177825] 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 [ 45.179386] RSP: 0018:ffff88801cb77bf0 EFLAGS: 00010286 [ 45.179847] RAX: 0000000000000000 RBX: ffff888008ef4440 RCX: 0000000000000000 [ 45.180485] RDX: ffff8880197351c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.181094] RBP: ffff888008ef4454 R08: 0000000000000001 R09: 0000000000000000 [ 45.181753] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.182410] R13: ffffffff84e223a0 R14: ffff888008ef4448 R15: ffffffff84daf020 [ 45.183023] FS: 00005555567fa400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.183732] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.184243] CR2: 00007f84d944f6f4 CR3: 0000000010244000 CR4: 0000000000350ef0 [ 45.184834] Call Trace: [ 45.185056] [ 45.185281] nf_ct_net_init+0x224/0x3d0 [ 45.185657] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.186042] ops_init+0xbb/0x6b0 [ 45.186375] setup_net+0x3d9/0x990 [ 45.186677] ? down_read_killable+0x1d7/0x4e0 [ 45.187059] ? __pfx_setup_net+0x10/0x10 [ 45.187434] ? copy_net_ns+0x17c/0x770 [ 45.187780] copy_net_ns+0x321/0x770 [ 45.188144] create_new_namespaces+0x3f6/0xb30 [ 45.188535] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.188950] ksys_unshare+0x44d/0x8e0 [ 45.189298] ? __pfx_ksys_unshare+0x10/0x10 [ 45.189679] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.190149] __x64_sys_unshare+0x31/0x40 [ 45.190485] do_syscall_64+0x3f/0x90 [ 45.190791] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.191248] RIP: 0033:0x7f1ae81d40d7 [ 45.191571] 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 [ 45.193140] RSP: 002b:00007ffef9cc90f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 45.193812] RAX: ffffffffffffffda RBX: 00007ffef9cc9738 RCX: 00007f1ae81d40d7 [ 45.194440] RDX: 00007f1ae823e41f RSI: 00007ffef9cc9090 RDI: 0000000040000000 [ 45.195035] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffef9cc8ea0 [ 45.195666] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1ae82e6bf0 [ 45.196288] R13: 00007ffef9cc91d0 R14: 0000000000000000 R15: 00000000000000f8 [ 45.196890] [ 45.197109] irq event stamp: 10799 [ 45.197440] hardirqs last enabled at (10811): [] __up_console_sem+0x78/0x80 [ 45.198231] hardirqs last disabled at (10822): [] __up_console_sem+0x5d/0x80 [ 45.198962] softirqs last enabled at (10548): [] irq_exit_rcu+0x93/0xc0 [ 45.199703] softirqs last disabled at (10539): [] irq_exit_rcu+0x93/0xc0 [ 45.200451] ---[ end trace 0000000000000000 ]--- executing program [ 46.819777] Bluetooth: hci0: command 0x0409 tx timeout [ 48.868504] Bluetooth: hci0: command 0x041b tx timeout executing program [ 50.915207] Bluetooth: hci0: command 0x040f tx timeout executing program [ 52.962246] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 08:28:57 Registers: info registers vcpu 0 RAX=0000000000000048 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801cb77618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000048 R11=0000000000000001 R12=0000000000000048 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 00005555567fa400 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=00007f84d944f6f4 CR3=0000000010244000 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=000000000002f6e9 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000202 [-------] 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=00007f02d3459780 CR3=00000000184a8000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=435020647261646e61745320554d4551 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=47202930303030283030396336393200 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000