Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:62072' (ECDSA) to the list of known hosts. 2023/05/17 18:29:52 fuzzer started 2023/05/17 18:29:52 dialing manager at localhost:44319 2023/05/17 18:29:52 checking machine... 2023/05/17 18:29:52 checking revisions... syzkaller login: [ 61.043408] kmemleak: Automatic memory scanning thread ended 2023/05/17 18:29:52 testing simple program... [ 61.110689] cgroup: Unknown subsys name 'net' [ 61.216210] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 74.544139] audit: type=1400 audit(1684348206.159:6): 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 [ 75.701040] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 75.702970] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 75.706463] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 75.709710] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 75.711330] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 75.712637] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 76.118933] ------------[ cut here ]------------ [ 76.119768] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 76.121663] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.122816] Modules linked in: [ 76.123314] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 76.128129] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.129228] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.129905] 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 [ 76.132142] RSP: 0018:ffff88801fdafc00 EFLAGS: 00010282 [ 76.132865] RAX: 0000000000000000 RBX: ffff888016406040 RCX: 0000000000000000 [ 76.133797] RDX: ffff888016afd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 76.134726] RBP: ffff888016406054 R08: 0000000000000001 R09: 0000000000000000 [ 76.135653] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 76.136592] R13: ffffffff84e23fe0 R14: ffff888016406048 R15: ffffffff84d74dc0 [ 76.137530] FS: 0000555556c60400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 76.138575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.139345] CR2: 00007f588773a000 CR3: 0000000014170000 CR4: 0000000000350ee0 [ 76.140283] Call Trace: [ 76.140643] [ 76.140956] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 76.141622] ipv4_frags_init_net+0x269/0x440 [ 76.142242] ops_init+0xbb/0x6b0 [ 76.142710] setup_net+0x3d9/0x990 [ 76.143179] ? down_read_killable+0x1d7/0x4e0 [ 76.143809] ? __pfx_setup_net+0x10/0x10 [ 76.144398] ? copy_net_ns+0x17c/0x770 [ 76.144935] copy_net_ns+0x321/0x770 [ 76.145486] create_new_namespaces+0x3f6/0xb30 [ 76.146098] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.146791] ksys_unshare+0x44d/0x8e0 [ 76.147333] ? __pfx_ksys_unshare+0x10/0x10 [ 76.147908] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.148705] __x64_sys_unshare+0x31/0x40 [ 76.149279] do_syscall_64+0x3f/0x90 [ 76.149786] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.150507] RIP: 0033:0x7fbea18be0d7 [ 76.150993] 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 [ 76.153284] RSP: 002b:00007ffc3f8d25e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 76.154276] RAX: ffffffffffffffda RBX: 00007ffc3f8d2c28 RCX: 00007fbea18be0d7 [ 76.155183] RDX: 00007fbea192841f RSI: 00007ffc3f8d2580 RDI: 0000000040000000 [ 76.156099] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc3f8d2390 [ 76.157045] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbea19d0bf0 [ 76.157968] R13: 00007ffc3f8d26c0 R14: 0000000000000000 R15: 00000000000000f8 [ 76.158928] [ 76.159277] irq event stamp: 7673 [ 76.159725] hardirqs last enabled at (7683): [] __up_console_sem+0x78/0x80 [ 76.160842] hardirqs last disabled at (7694): [] __up_console_sem+0x5d/0x80 [ 76.161948] softirqs last enabled at (7580): [] irq_exit_rcu+0x93/0xc0 [ 76.163030] softirqs last disabled at (7575): [] irq_exit_rcu+0x93/0xc0 [ 76.164100] ---[ end trace 0000000000000000 ]--- [ 76.170082] ------------[ cut here ]------------ [ 76.170887] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 76.172648] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.173752] Modules linked in: [ 76.174181] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 76.175427] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.176487] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.177154] 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 [ 76.179413] RSP: 0018:ffff88801fdafc00 EFLAGS: 00010282 [ 76.180087] RAX: 0000000000000000 RBX: ffff88800f805240 RCX: 0000000000000000 [ 76.181037] RDX: ffff888016afd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 76.181961] RBP: ffff88800f805254 R08: 0000000000000001 R09: 0000000000000000 [ 76.182888] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 76.183811] R13: ffffffff84e23fe0 R14: ffff88800f805248 R15: ffffffff84da7d60 [ 76.184767] FS: 0000555556c60400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 76.185813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.186590] CR2: 00007f588773a000 CR3: 0000000014170000 CR4: 0000000000350ee0 [ 76.187580] Call Trace: [ 76.187922] [ 76.188273] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 76.188945] ipv6_frags_init_net+0x206/0x3c0 [ 76.189568] ops_init+0xbb/0x6b0 [ 76.190047] setup_net+0x3d9/0x990 [ 76.190577] ? down_read_killable+0x1d7/0x4e0 [ 76.191184] ? __pfx_setup_net+0x10/0x10 [ 76.191755] ? copy_net_ns+0x17c/0x770 [ 76.192323] copy_net_ns+0x321/0x770 [ 76.192842] create_new_namespaces+0x3f6/0xb30 [ 76.193489] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.194134] ksys_unshare+0x44d/0x8e0 [ 76.194684] ? __pfx_ksys_unshare+0x10/0x10 [ 76.195294] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.196039] __x64_sys_unshare+0x31/0x40 [ 76.196618] do_syscall_64+0x3f/0x90 [ 76.197116] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.197830] RIP: 0033:0x7fbea18be0d7 [ 76.198350] 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 [ 76.200604] RSP: 002b:00007ffc3f8d25e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 76.201595] RAX: ffffffffffffffda RBX: 00007ffc3f8d2c28 RCX: 00007fbea18be0d7 [ 76.202537] RDX: 00007fbea192841f RSI: 00007ffc3f8d2580 RDI: 0000000040000000 [ 76.203471] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc3f8d2390 [ 76.204430] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbea19d0bf0 [ 76.205371] R13: 00007ffc3f8d26c0 R14: 0000000000000000 R15: 00000000000000f8 [ 76.206329] [ 76.206640] irq event stamp: 9703 [ 76.207084] hardirqs last enabled at (9713): [] __up_console_sem+0x78/0x80 [ 76.208200] hardirqs last disabled at (9724): [] __up_console_sem+0x5d/0x80 [ 76.209351] softirqs last enabled at (9184): [] irq_exit_rcu+0x93/0xc0 [ 76.210445] softirqs last disabled at (9131): [] irq_exit_rcu+0x93/0xc0 [ 76.211542] ---[ end trace 0000000000000000 ]--- [ 76.212943] ------------[ cut here ]------------ [ 76.213584] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 76.215605] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.216748] Modules linked in: [ 76.217171] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 76.218406] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.219509] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.220190] 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 [ 76.222468] RSP: 0018:ffff88801fdafbf0 EFLAGS: 00010286 [ 76.223145] RAX: 0000000000000000 RBX: ffff88800eb03a40 RCX: 0000000000000000 [ 76.224074] RDX: ffff888016afd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 76.225025] RBP: ffff88800eb03a54 R08: 0000000000000001 R09: 0000000000000000 [ 76.225959] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 76.226894] R13: ffffffff84e23fe0 R14: ffff88800eb03a48 R15: ffffffff84db0aa0 [ 76.227820] FS: 0000555556c60400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 76.228878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.229657] CR2: 00007f588773a000 CR3: 0000000014170000 CR4: 0000000000350ee0 [ 76.230584] Call Trace: [ 76.230931] [ 76.231276] nf_ct_net_init+0x224/0x3d0 [ 76.231819] ? __pfx_nf_ct_net_init+0x10/0x10 [ 76.232466] ops_init+0xbb/0x6b0 [ 76.232932] setup_net+0x3d9/0x990 [ 76.233453] ? down_read_killable+0x1d7/0x4e0 [ 76.234043] ? __pfx_setup_net+0x10/0x10 [ 76.234617] ? copy_net_ns+0x17c/0x770 [ 76.235143] copy_net_ns+0x321/0x770 [ 76.235679] create_new_namespaces+0x3f6/0xb30 [ 76.236320] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.236995] ksys_unshare+0x44d/0x8e0 [ 76.237542] ? __pfx_ksys_unshare+0x10/0x10 [ 76.238112] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.238883] __x64_sys_unshare+0x31/0x40 [ 76.239458] do_syscall_64+0x3f/0x90 [ 76.239952] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.240673] RIP: 0033:0x7fbea18be0d7 [ 76.241158] 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 [ 76.243403] RSP: 002b:00007ffc3f8d25e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 76.244410] RAX: ffffffffffffffda RBX: 00007ffc3f8d2c28 RCX: 00007fbea18be0d7 [ 76.245340] RDX: 00007fbea192841f RSI: 00007ffc3f8d2580 RDI: 0000000040000000 [ 76.246278] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc3f8d2390 [ 76.247172] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fbea19d0bf0 [ 76.248090] R13: 00007ffc3f8d26c0 R14: 0000000000000000 R15: 00000000000000f8 [ 76.249063] [ 76.249408] irq event stamp: 10461 [ 76.249862] hardirqs last enabled at (10471): [] __up_console_sem+0x78/0x80 [ 76.250970] hardirqs last disabled at (10482): [] __up_console_sem+0x5d/0x80 [ 76.252079] softirqs last enabled at (9968): [] irq_exit_rcu+0x93/0xc0 [ 76.253198] softirqs last disabled at (9963): [] irq_exit_rcu+0x93/0xc0 [ 76.254274] ---[ end trace 0000000000000000 ]--- [ 77.723854] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 79.771351] Bluetooth: hci0: command 0x041b tx timeout [ 81.819300] Bluetooth: hci0: command 0x040f tx timeout executing program [ 83.867275] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 18:29:35 Registers: info registers vcpu 0 RAX=000000000001ef97 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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 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=00007f58877228f8 CR3=000000000e0de000 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=2037303a30333a38312037312079614d XMM01=5d3431333332312e36372020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20204c20202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732037 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=ffff88801fdaf5f0 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 0000555556c60400 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=00007f588773a000 CR3=0000000014170000 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