Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:64068' (ECDSA) to the list of known hosts. 2023/05/16 22:28:36 fuzzer started 2023/05/16 22:28:37 dialing manager at localhost:35573 2023/05/16 22:28:37 checking machine... 2023/05/16 22:28:37 checking revisions... syzkaller login: [ 31.465571] kmemleak: Automatic memory scanning thread ended 2023/05/16 22:28:37 testing simple program... [ 31.531063] cgroup: Unknown subsys name 'net' [ 31.597604] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 43.604048] audit: type=1400 audit(1684276129.374:6): 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 [ 44.715457] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 44.719437] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 44.720724] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 44.723825] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 44.725291] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 44.727244] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 45.092165] ------------[ cut here ]------------ [ 45.092899] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 45.095039] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.096148] Modules linked in: [ 45.096606] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.101987] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.103055] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.103756] 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 [ 45.106058] RSP: 0018:ffff88802022fc00 EFLAGS: 00010282 [ 45.106791] RAX: 0000000000000000 RBX: ffff88800dc29040 RCX: 0000000000000000 [ 45.107755] RDX: ffff888008f2d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.108698] RBP: ffff88800dc29054 R08: 0000000000000001 R09: 0000000000000000 [ 45.109592] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 45.110543] R13: ffffffff84e223a0 R14: ffff88800dc29048 R15: ffffffff84d73340 [ 45.111487] FS: 000055555701b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.112567] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.113347] CR2: 00007f9773bb86f4 CR3: 0000000020446000 CR4: 0000000000350ef0 [ 45.114283] Call Trace: [ 45.114652] [ 45.114964] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 45.115589] ipv4_frags_init_net+0x269/0x440 [ 45.116207] ops_init+0xbb/0x6b0 [ 45.116718] setup_net+0x3d9/0x990 [ 45.117186] ? down_read_killable+0x1d7/0x4e0 [ 45.117825] ? __pfx_setup_net+0x10/0x10 [ 45.118361] ? copy_net_ns+0x17c/0x770 [ 45.118913] copy_net_ns+0x321/0x770 [ 45.119415] create_new_namespaces+0x3f6/0xb30 [ 45.120067] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.120763] ksys_unshare+0x44d/0x8e0 [ 45.121289] ? __pfx_ksys_unshare+0x10/0x10 [ 45.121908] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.122712] __x64_sys_unshare+0x31/0x40 [ 45.123267] do_syscall_64+0x3f/0x90 [ 45.123811] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.124509] RIP: 0033:0x7fb6924d60d7 [ 45.125036] 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 [ 45.127384] RSP: 002b:00007ffe22a59278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.128407] RAX: ffffffffffffffda RBX: 00007ffe22a598b8 RCX: 00007fb6924d60d7 [ 45.129391] RDX: 00007fb69254041f RSI: 00007ffe22a59210 RDI: 0000000040000000 [ 45.130348] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe22a59020 [ 45.131298] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb6925e8bf0 [ 45.132260] R13: 00007ffe22a59350 R14: 0000000000000000 R15: 00000000000000f8 [ 45.133260] [ 45.133581] irq event stamp: 12797 [ 45.134082] hardirqs last enabled at (12809): [] __up_console_sem+0x78/0x80 [ 45.135234] hardirqs last disabled at (12820): [] __up_console_sem+0x5d/0x80 [ 45.136387] softirqs last enabled at (12386): [] irq_exit_rcu+0x93/0xc0 [ 45.137540] softirqs last disabled at (12381): [] irq_exit_rcu+0x93/0xc0 [ 45.138663] ---[ end trace 0000000000000000 ]--- [ 45.143934] ------------[ cut here ]------------ [ 45.144592] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 45.146411] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.147561] Modules linked in: [ 45.148028] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.149294] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.150397] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.151124] 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 [ 45.153510] RSP: 0018:ffff88802022fc00 EFLAGS: 00010282 [ 45.154242] RAX: 0000000000000000 RBX: ffff88800f016a40 RCX: 0000000000000000 [ 45.155201] RDX: ffff888008f2d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.156162] RBP: ffff88800f016a54 R08: 0000000000000001 R09: 0000000000000000 [ 45.157144] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.158102] R13: ffffffff84e223a0 R14: ffff88800f016a48 R15: ffffffff84da62e0 [ 45.159067] FS: 000055555701b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.160143] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.160953] CR2: 00007f9773bb86f4 CR3: 0000000020446000 CR4: 0000000000350ef0 [ 45.161912] Call Trace: [ 45.162257] [ 45.162577] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 45.163265] ipv6_frags_init_net+0x206/0x3c0 [ 45.163900] ops_init+0xbb/0x6b0 [ 45.164373] setup_net+0x3d9/0x990 [ 45.164910] ? down_read_killable+0x1d7/0x4e0 [ 45.165514] ? __pfx_setup_net+0x10/0x10 [ 45.166099] ? copy_net_ns+0x17c/0x770 [ 45.166673] copy_net_ns+0x321/0x770 [ 45.167185] create_new_namespaces+0x3f6/0xb30 [ 45.167849] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.168526] ksys_unshare+0x44d/0x8e0 [ 45.169084] ? __pfx_ksys_unshare+0x10/0x10 [ 45.169709] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.170468] __x64_sys_unshare+0x31/0x40 [ 45.171060] do_syscall_64+0x3f/0x90 [ 45.171572] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.172289] RIP: 0033:0x7fb6924d60d7 [ 45.172836] 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 [ 45.175214] RSP: 002b:00007ffe22a59278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.176244] RAX: ffffffffffffffda RBX: 00007ffe22a598b8 RCX: 00007fb6924d60d7 [ 45.177213] RDX: 00007fb69254041f RSI: 00007ffe22a59210 RDI: 0000000040000000 [ 45.178173] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe22a59020 [ 45.179141] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb6925e8bf0 [ 45.180103] R13: 00007ffe22a59350 R14: 0000000000000000 R15: 00000000000000f8 [ 45.181093] [ 45.181415] irq event stamp: 14761 [ 45.181916] hardirqs last enabled at (14773): [] __up_console_sem+0x78/0x80 [ 45.183067] hardirqs last disabled at (14784): [] __up_console_sem+0x5d/0x80 [ 45.184237] softirqs last enabled at (14600): [] irq_exit_rcu+0x93/0xc0 [ 45.185386] softirqs last disabled at (14595): [] irq_exit_rcu+0x93/0xc0 [ 45.186511] ---[ end trace 0000000000000000 ]--- [ 45.188179] ------------[ cut here ]------------ [ 45.188857] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 45.190932] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 45.192070] Modules linked in: [ 45.192528] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 45.193791] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.194895] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 45.195584] 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 [ 45.197993] RSP: 0018:ffff88802022fbf0 EFLAGS: 00010286 [ 45.198734] RAX: 0000000000000000 RBX: ffff88800f017a40 RCX: 0000000000000000 [ 45.199694] RDX: ffff888008f2d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 45.200675] RBP: ffff88800f017a54 R08: 0000000000000001 R09: 0000000000000000 [ 45.201607] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 45.202578] R13: ffffffff84e223a0 R14: ffff88800f017a48 R15: ffffffff84daf020 [ 45.203547] FS: 000055555701b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 45.204672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.205437] CR2: 00007f9773bb86f4 CR3: 0000000020446000 CR4: 0000000000350ef0 [ 45.206409] Call Trace: [ 45.206791] [ 45.207114] nf_ct_net_init+0x224/0x3d0 [ 45.207702] ? __pfx_nf_ct_net_init+0x10/0x10 [ 45.208314] ops_init+0xbb/0x6b0 [ 45.208829] setup_net+0x3d9/0x990 [ 45.209323] ? down_read_killable+0x1d7/0x4e0 [ 45.209962] ? __pfx_setup_net+0x10/0x10 [ 45.210515] ? copy_net_ns+0x17c/0x770 [ 45.211099] copy_net_ns+0x321/0x770 [ 45.211643] create_new_namespaces+0x3f6/0xb30 [ 45.212272] unshare_nsproxy_namespaces+0xc1/0x200 [ 45.212990] ksys_unshare+0x44d/0x8e0 [ 45.213524] ? __pfx_ksys_unshare+0x10/0x10 [ 45.214147] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 45.214946] __x64_sys_unshare+0x31/0x40 [ 45.215507] do_syscall_64+0x3f/0x90 [ 45.216054] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 45.216782] RIP: 0033:0x7fb6924d60d7 [ 45.217284] 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 [ 45.219649] RSP: 002b:00007ffe22a59278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 45.220697] RAX: ffffffffffffffda RBX: 00007ffe22a598b8 RCX: 00007fb6924d60d7 [ 45.221656] RDX: 00007fb69254041f RSI: 00007ffe22a59210 RDI: 0000000040000000 [ 45.222581] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe22a59020 [ 45.223541] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fb6925e8bf0 [ 45.224508] R13: 00007ffe22a59350 R14: 0000000000000000 R15: 00000000000000f8 [ 45.225494] [ 45.225842] irq event stamp: 15575 [ 45.226306] hardirqs last enabled at (15585): [] __up_console_sem+0x78/0x80 [ 45.227464] hardirqs last disabled at (15596): [] __up_console_sem+0x5d/0x80 [ 45.228642] softirqs last enabled at (15236): [] irq_exit_rcu+0x93/0xc0 [ 45.229770] softirqs last disabled at (15227): [] irq_exit_rcu+0x93/0xc0 [ 45.230887] ---[ end trace 0000000000000000 ]--- executing program [ 46.796171] Bluetooth: hci0: command 0x0409 tx timeout [ 48.843720] Bluetooth: hci0: command 0x041b tx timeout executing program [ 50.891729] Bluetooth: hci0: command 0x040f tx timeout executing program [ 52.939678] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 22:28:48 Registers: info registers vcpu 0 RAX=000000000000007a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88802022f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000007a R11=0000000000000001 R12=000000000000007a 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 000055555701b400 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=00007f9773bb86f4 CR3=0000000020446000 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=0000000000026713 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=00007faaab6f9db0 CR3=000000001617e000 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=18994940008a4f849c41397d384a33f8 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=267253f154983609000000000013bda8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=009d8322b10a49fa00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000