Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:10232' (ECDSA) to the list of known hosts. 2023/05/17 22:56:15 fuzzer started 2023/05/17 22:56:15 dialing manager at localhost:44319 2023/05/17 22:56:15 checking machine... 2023/05/17 22:56:15 checking revisions... syzkaller login: [ 41.442426] kmemleak: Automatic memory scanning thread ended 2023/05/17 22:56:15 testing simple program... [ 41.493255] cgroup: Unknown subsys name 'net' [ 41.551394] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.635263] audit: type=1400 audit(1684364187.665:6): 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 [ 54.719791] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.722370] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.723535] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.727317] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.730365] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.731787] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.129252] ------------[ cut here ]------------ [ 55.130061] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.132018] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.133175] Modules linked in: [ 55.133619] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.134885] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.139552] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.140316] 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 [ 55.142745] RSP: 0018:ffff8880145b7c00 EFLAGS: 00010282 [ 55.143506] RAX: 0000000000000000 RBX: ffff88800dc22840 RCX: 0000000000000000 [ 55.144487] RDX: ffff88800f6b51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.145478] RBP: ffff88800dc22854 R08: 0000000000000001 R09: 0000000000000000 [ 55.146467] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.147468] R13: ffffffff84e23fe0 R14: ffff88800dc22848 R15: ffffffff84d74dc0 [ 55.148454] FS: 0000555556616400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.149567] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.150383] CR2: 00007f0f583686f4 CR3: 0000000017fc6000 CR4: 0000000000350ee0 [ 55.151403] Call Trace: [ 55.151764] [ 55.152124] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.152841] ipv4_frags_init_net+0x269/0x440 [ 55.153455] ops_init+0xbb/0x6b0 [ 55.153980] setup_net+0x3d9/0x990 [ 55.154490] ? down_read_killable+0x1d7/0x4e0 [ 55.155158] ? __pfx_setup_net+0x10/0x10 [ 55.155726] ? copy_net_ns+0x17c/0x770 [ 55.156315] copy_net_ns+0x321/0x770 [ 55.156880] create_new_namespaces+0x3f6/0xb30 [ 55.157526] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.158236] ksys_unshare+0x44d/0x8e0 [ 55.158846] ? __pfx_ksys_unshare+0x10/0x10 [ 55.159448] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.160269] __x64_sys_unshare+0x31/0x40 [ 55.160879] do_syscall_64+0x3f/0x90 [ 55.161402] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.162147] RIP: 0033:0x7f078c0b80d7 [ 55.162666] 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 [ 55.165083] RSP: 002b:00007ffc09851e18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.166133] RAX: ffffffffffffffda RBX: 00007ffc09852458 RCX: 00007f078c0b80d7 [ 55.167122] RDX: 00007f078c12241f RSI: 00007ffc09851db0 RDI: 0000000040000000 [ 55.168104] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc09851bc0 [ 55.169097] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f078c1cabf0 [ 55.170081] R13: 00007ffc09851ef0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.171118] [ 55.171454] irq event stamp: 7713 [ 55.171958] hardirqs last enabled at (7725): [] __up_console_sem+0x78/0x80 [ 55.173131] hardirqs last disabled at (7736): [] __up_console_sem+0x5d/0x80 [ 55.174306] softirqs last enabled at (7044): [] irq_exit_rcu+0x93/0xc0 [ 55.175458] softirqs last disabled at (7039): [] irq_exit_rcu+0x93/0xc0 [ 55.176599] ---[ end trace 0000000000000000 ]--- [ 55.183678] ------------[ cut here ]------------ [ 55.184487] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.186296] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.187498] Modules linked in: [ 55.187987] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.189283] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.190426] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.191197] 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 [ 55.193616] RSP: 0018:ffff8880145b7c00 EFLAGS: 00010282 [ 55.194372] RAX: 0000000000000000 RBX: ffff88800e919840 RCX: 0000000000000000 [ 55.195362] RDX: ffff88800f6b51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.196348] RBP: ffff88800e919854 R08: 0000000000000001 R09: 0000000000000000 [ 55.197339] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.198321] R13: ffffffff84e23fe0 R14: ffff88800e919848 R15: ffffffff84da7d60 [ 55.199317] FS: 0000555556616400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.200422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.201240] CR2: 00007f0f583686f4 CR3: 0000000017fc6000 CR4: 0000000000350ee0 [ 55.202234] Call Trace: [ 55.202593] [ 55.202980] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.203657] ipv6_frags_init_net+0x206/0x3c0 [ 55.204306] ops_init+0xbb/0x6b0 [ 55.204835] setup_net+0x3d9/0x990 [ 55.205342] ? down_read_killable+0x1d7/0x4e0 [ 55.206008] ? __pfx_setup_net+0x10/0x10 [ 55.206573] ? copy_net_ns+0x17c/0x770 [ 55.207175] copy_net_ns+0x321/0x770 [ 55.207716] create_new_namespaces+0x3f6/0xb30 [ 55.208396] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.209118] ksys_unshare+0x44d/0x8e0 [ 55.209662] ? __pfx_ksys_unshare+0x10/0x10 [ 55.210298] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.211121] __x64_sys_unshare+0x31/0x40 [ 55.211692] do_syscall_64+0x3f/0x90 [ 55.212248] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.213001] RIP: 0033:0x7f078c0b80d7 [ 55.213517] 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 [ 55.215952] RSP: 002b:00007ffc09851e18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.217007] RAX: ffffffffffffffda RBX: 00007ffc09852458 RCX: 00007f078c0b80d7 [ 55.217986] RDX: 00007f078c12241f RSI: 00007ffc09851db0 RDI: 0000000040000000 [ 55.218977] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc09851bc0 [ 55.219960] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f078c1cabf0 [ 55.220946] R13: 00007ffc09851ef0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.221978] [ 55.222314] irq event stamp: 10403 [ 55.222844] hardirqs last enabled at (10415): [] __up_console_sem+0x78/0x80 [ 55.224052] hardirqs last disabled at (10426): [] __up_console_sem+0x5d/0x80 [ 55.225233] softirqs last enabled at (10388): [] irq_exit_rcu+0x93/0xc0 [ 55.226383] softirqs last disabled at (10379): [] irq_exit_rcu+0x93/0xc0 [ 55.227534] ---[ end trace 0000000000000000 ]--- [ 55.229098] ------------[ cut here ]------------ [ 55.229740] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.231946] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.233117] Modules linked in: [ 55.233573] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 55.234870] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.235981] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.236692] 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 [ 55.239105] RSP: 0018:ffff8880145b7bf0 EFLAGS: 00010286 [ 55.239866] RAX: 0000000000000000 RBX: ffff88800e919040 RCX: 0000000000000000 [ 55.240850] RDX: ffff88800f6b51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 55.241826] RBP: ffff88800e919054 R08: 0000000000000001 R09: 0000000000000000 [ 55.242765] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.243729] R13: ffffffff84e23fe0 R14: ffff88800e919048 R15: ffffffff84db0aa0 [ 55.244678] FS: 0000555556616400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 55.245754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.246554] CR2: 00007f0f583686f4 CR3: 0000000017fc6000 CR4: 0000000000350ee0 [ 55.247522] Call Trace: [ 55.247900] [ 55.248219] nf_ct_net_init+0x224/0x3d0 [ 55.248768] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.249425] ops_init+0xbb/0x6b0 [ 55.249940] setup_net+0x3d9/0x990 [ 55.250426] ? down_read_killable+0x1d7/0x4e0 [ 55.251095] ? __pfx_setup_net+0x10/0x10 [ 55.251640] ? copy_net_ns+0x17c/0x770 [ 55.252216] copy_net_ns+0x321/0x770 [ 55.252729] create_new_namespaces+0x3f6/0xb30 [ 55.253379] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.254061] ksys_unshare+0x44d/0x8e0 [ 55.254580] ? __pfx_ksys_unshare+0x10/0x10 [ 55.255195] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.255978] __x64_sys_unshare+0x31/0x40 [ 55.256527] do_syscall_64+0x3f/0x90 [ 55.257070] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.257762] RIP: 0033:0x7f078c0b80d7 [ 55.258294] 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 [ 55.260614] RSP: 002b:00007ffc09851e18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 55.261627] RAX: ffffffffffffffda RBX: 00007ffc09852458 RCX: 00007f078c0b80d7 [ 55.262576] RDX: 00007f078c12241f RSI: 00007ffc09851db0 RDI: 0000000040000000 [ 55.263531] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc09851bc0 [ 55.264465] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f078c1cabf0 [ 55.265416] R13: 00007ffc09851ef0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.266394] [ 55.266723] irq event stamp: 11217 [ 55.267216] hardirqs last enabled at (11229): [] __up_console_sem+0x78/0x80 [ 55.268354] hardirqs last disabled at (11240): [] __up_console_sem+0x5d/0x80 [ 55.269486] softirqs last enabled at (10900): [] irq_exit_rcu+0x93/0xc0 [ 55.270652] softirqs last disabled at (11261): [] irq_exit_rcu+0x93/0xc0 [ 55.271778] ---[ end trace 0000000000000000 ]--- executing program [ 56.806573] Bluetooth: hci0: command 0x0409 tx timeout [ 58.853940] Bluetooth: hci0: command 0x041b tx timeout executing program [ 60.901928] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.949987] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 22:56:23 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=0000000000000003 RCX=ffffffff84471956 RDX=0000000000000001 RSI=0000000000000003 RDI=0000000000000005 RBP=ffffffff84e2fb80 RSP=ffff88801585f8b8 R8 =0000000000000005 R9 =0000000000000003 R10=0000000000000001 R11=0000000000000001 R12=0000000000000001 R13=0000000000000005 R14=0000000000000003 R15=ffff88801585fa28 RIP=ffffffff814be030 RFL=00000206 [-----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 00007f3d07fff700 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=00007fbbd81d52b0 CR3=000000000c648000 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=73205d3136303033312e35352020205b XMM01=6873657268745f776f6c5f6761726670 XMM02=6c5f676172667069203a61746164206c XMM03=73746e696f702061746164203a687365 XMM04=746e6f7263000a7466656c207365000a XMM05=6c203833633078302063632064657463 XMM06=6f6f7465756c42205d3738373133372e XMM07=656c6c616b7a79732038323a36353a32 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000031 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880145b7618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000031 R11=0000000000000001 R12=0000000000000031 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 0000555556616400 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=00007f0f583686f4 CR3=0000000017fc6000 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