Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:53986' (ECDSA) to the list of known hosts. 2023/05/17 22:02:18 fuzzer started 2023/05/17 22:02:18 dialing manager at localhost:44319 2023/05/17 22:02:18 checking machine... 2023/05/17 22:02:18 checking revisions... syzkaller login: [ 41.937037] kmemleak: Automatic memory scanning thread ended 2023/05/17 22:02:19 testing simple program... [ 42.001292] cgroup: Unknown subsys name 'net' [ 42.091596] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 54.527165] audit: type=1400 audit(1684360951.639:6): 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 [ 55.656793] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.658242] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.659593] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.662589] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.665164] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.666470] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 56.088780] ------------[ cut here ]------------ [ 56.089452] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 56.091193] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.092597] Modules linked in: [ 56.093173] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.095718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.098507] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.099486] 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 [ 56.102071] RSP: 0018:ffff8880165bfc00 EFLAGS: 00010282 [ 56.102866] RAX: 0000000000000000 RBX: ffff88800f588440 RCX: 0000000000000000 [ 56.103943] RDX: ffff8880194e3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.104986] RBP: ffff88800f588454 R08: 0000000000000001 R09: 0000000000000000 [ 56.106014] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 56.107081] R13: ffffffff84e23fe0 R14: ffff88800f588448 R15: ffffffff84d74dc0 [ 56.108154] FS: 00005555559c7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.109348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.110231] CR2: 00007fb47d5e2a40 CR3: 000000000f04a000 CR4: 0000000000350ee0 [ 56.111324] Call Trace: [ 56.111751] [ 56.112100] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 56.112863] ipv4_frags_init_net+0x269/0x440 [ 56.113529] ops_init+0xbb/0x6b0 [ 56.114095] setup_net+0x3d9/0x990 [ 56.114625] ? down_read_killable+0x1d7/0x4e0 [ 56.115349] ? __pfx_setup_net+0x10/0x10 [ 56.115979] ? copy_net_ns+0x17c/0x770 [ 56.116568] copy_net_ns+0x321/0x770 [ 56.117162] create_new_namespaces+0x3f6/0xb30 [ 56.117874] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.118586] ksys_unshare+0x44d/0x8e0 [ 56.119211] ? __pfx_ksys_unshare+0x10/0x10 [ 56.119882] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.120756] __x64_sys_unshare+0x31/0x40 [ 56.121361] do_syscall_64+0x3f/0x90 [ 56.121946] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.122740] RIP: 0033:0x7f6fda7e80d7 [ 56.123304] 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 [ 56.125838] RSP: 002b:00007ffd260b4608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.126951] RAX: ffffffffffffffda RBX: 00007ffd260b4c48 RCX: 00007f6fda7e80d7 [ 56.127994] RDX: 00007f6fda85241f RSI: 00007ffd260b45a0 RDI: 0000000040000000 [ 56.129025] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd260b43b0 [ 56.130065] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6fda8fabf0 [ 56.131136] R13: 00007ffd260b46e0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.132215] [ 56.132569] irq event stamp: 8367 [ 56.133090] hardirqs last enabled at (8379): [] __up_console_sem+0x78/0x80 [ 56.134342] hardirqs last disabled at (8390): [] __up_console_sem+0x5d/0x80 [ 56.135603] softirqs last enabled at (7932): [] irq_exit_rcu+0x93/0xc0 [ 56.136825] softirqs last disabled at (7915): [] irq_exit_rcu+0x93/0xc0 [ 56.138018] ---[ end trace 0000000000000000 ]--- [ 56.144106] ------------[ cut here ]------------ [ 56.144786] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 56.146524] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.147620] Modules linked in: [ 56.148066] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.149227] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.150254] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.150950] 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 [ 56.153148] RSP: 0018:ffff8880165bfc00 EFLAGS: 00010282 [ 56.153870] RAX: 0000000000000000 RBX: ffff888015d20a40 RCX: 0000000000000000 [ 56.154865] RDX: ffff8880194e3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.155870] RBP: ffff888015d20a54 R08: 0000000000000001 R09: 0000000000000000 [ 56.156857] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.157840] R13: ffffffff84e23fe0 R14: ffff888015d20a48 R15: ffffffff84da7d60 [ 56.158826] FS: 00005555559c7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.159939] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.160775] CR2: 00007fb47d5e2a40 CR3: 000000000f04a000 CR4: 0000000000350ee0 [ 56.161768] Call Trace: [ 56.162131] [ 56.162457] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 56.163181] ipv6_frags_init_net+0x206/0x3c0 [ 56.163833] ops_init+0xbb/0x6b0 [ 56.164332] setup_net+0x3d9/0x990 [ 56.164869] ? down_read_killable+0x1d7/0x4e0 [ 56.165498] ? __pfx_setup_net+0x10/0x10 [ 56.166092] ? copy_net_ns+0x17c/0x770 [ 56.166683] copy_net_ns+0x321/0x770 [ 56.167234] create_new_namespaces+0x3f6/0xb30 [ 56.167915] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.168603] ksys_unshare+0x44d/0x8e0 [ 56.169179] ? __pfx_ksys_unshare+0x10/0x10 [ 56.169815] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.170599] __x64_sys_unshare+0x31/0x40 [ 56.171214] do_syscall_64+0x3f/0x90 [ 56.171770] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.172483] RIP: 0033:0x7f6fda7e80d7 [ 56.173037] 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 [ 56.175466] RSP: 002b:00007ffd260b4608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.176519] RAX: ffffffffffffffda RBX: 00007ffd260b4c48 RCX: 00007f6fda7e80d7 [ 56.177501] RDX: 00007f6fda85241f RSI: 00007ffd260b45a0 RDI: 0000000040000000 [ 56.178489] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd260b43b0 [ 56.179490] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6fda8fabf0 [ 56.180471] R13: 00007ffd260b46e0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.181475] [ 56.181839] irq event stamp: 10221 [ 56.182320] hardirqs last enabled at (10231): [] __up_console_sem+0x78/0x80 [ 56.183526] hardirqs last disabled at (10242): [] __up_console_sem+0x5d/0x80 [ 56.184704] softirqs last enabled at (9374): [] irq_exit_rcu+0x93/0xc0 [ 56.185835] softirqs last disabled at (9315): [] irq_exit_rcu+0x93/0xc0 [ 56.186970] ---[ end trace 0000000000000000 ]--- [ 56.188492] ------------[ cut here ]------------ [ 56.189230] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 56.191584] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 56.192761] Modules linked in: [ 56.193215] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 56.194480] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 56.195574] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 56.196297] 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 [ 56.198588] RSP: 0018:ffff8880165bfbf0 EFLAGS: 00010286 [ 56.199324] RAX: 0000000000000000 RBX: ffff888015d20240 RCX: 0000000000000000 [ 56.200252] RDX: ffff8880194e3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 56.201177] RBP: ffff888015d20254 R08: 0000000000000001 R09: 0000000000000000 [ 56.202123] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 56.203084] R13: ffffffff84e23fe0 R14: ffff888015d20248 R15: ffffffff84db0aa0 [ 56.204018] FS: 00005555559c7400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 56.205081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.205872] CR2: 00007fb47d5e2a40 CR3: 000000000f04a000 CR4: 0000000000350ee0 [ 56.206825] Call Trace: [ 56.207194] [ 56.207515] nf_ct_net_init+0x224/0x3d0 [ 56.208104] ? __pfx_nf_ct_net_init+0x10/0x10 [ 56.208754] ops_init+0xbb/0x6b0 [ 56.209237] setup_net+0x3d9/0x990 [ 56.209764] ? down_read_killable+0x1d7/0x4e0 [ 56.210364] ? __pfx_setup_net+0x10/0x10 [ 56.210964] ? copy_net_ns+0x17c/0x770 [ 56.211510] copy_net_ns+0x321/0x770 [ 56.212057] create_new_namespaces+0x3f6/0xb30 [ 56.212717] unshare_nsproxy_namespaces+0xc1/0x200 [ 56.213365] ksys_unshare+0x44d/0x8e0 [ 56.213932] ? __pfx_ksys_unshare+0x10/0x10 [ 56.214508] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 56.215317] __x64_sys_unshare+0x31/0x40 [ 56.215899] do_syscall_64+0x3f/0x90 [ 56.216408] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 56.217127] RIP: 0033:0x7f6fda7e80d7 [ 56.217622] 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 [ 56.219959] RSP: 002b:00007ffd260b4608 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 56.220971] RAX: ffffffffffffffda RBX: 00007ffd260b4c48 RCX: 00007f6fda7e80d7 [ 56.221929] RDX: 00007f6fda85241f RSI: 00007ffd260b45a0 RDI: 0000000040000000 [ 56.222891] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd260b43b0 [ 56.223841] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6fda8fabf0 [ 56.224787] R13: 00007ffd260b46e0 R14: 0000000000000000 R15: 00000000000000f8 [ 56.225755] [ 56.226080] irq event stamp: 10977 [ 56.226543] hardirqs last enabled at (10987): [] __up_console_sem+0x78/0x80 [ 56.227692] hardirqs last disabled at (10998): [] __up_console_sem+0x5d/0x80 [ 56.228823] softirqs last enabled at (10612): [] irq_exit_rcu+0x93/0xc0 [ 56.229930] softirqs last disabled at (10607): [] irq_exit_rcu+0x93/0xc0 [ 56.231056] ---[ end trace 0000000000000000 ]--- executing program [ 57.741323] Bluetooth: hci0: command 0x0409 tx timeout [ 59.789742] Bluetooth: hci0: command 0x041b tx timeout executing program [ 61.836795] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.885737] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 22:02:28 Registers: info registers vcpu 0 RAX=00000000000218c3 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=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 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=00007fb47d683000 CR3=000000000f188000 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=2033333a32303a32322037312079614d XMM01=5d3337313339302e36352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732033 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=1ffff110019cd369 RBX=ffff88800ce69b18 RCX=ffffffff812de535 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88800ce69b48 RBP=ffff88800ce58bc8 RSP=ffff88806cf09de0 R8 =0000000000000001 R9 =ffffed100d9e13b0 R10=0000000000000003 R11=0000000000000001 R12=dffffc0000000000 R13=ffff88800ce75cf0 R14=ffff88806cf34fc0 R15=ffff88800ce75cf0 RIP=ffffffff81847112 RFL=00000046 [---Z-P-] 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 00005555559c7400 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=00007fb47d5e2a40 CR3=000000000f04a000 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