syzkaller login: [ 39.281911] sshd (210) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:19733' (ECDSA) to the list of known hosts. 2023/05/18 00:50:56 fuzzer started 2023/05/18 00:50:57 dialing manager at localhost:44319 2023/05/18 00:50:57 checking machine... 2023/05/18 00:50:57 checking revisions... [ 44.303783] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:50:57 testing simple program... [ 44.374558] cgroup: Unknown subsys name 'net' [ 44.442046] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.601830] audit: type=1400 audit(1684371069.618:6): 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 [ 57.698155] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.700170] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.702413] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.705035] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.707592] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.708689] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.095983] ------------[ cut here ]------------ [ 58.096654] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.098358] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.099432] Modules linked in: [ 58.099848] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.104598] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.105666] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.106358] 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 [ 58.108539] RSP: 0018:ffff88801f937c00 EFLAGS: 00010282 [ 58.109191] RAX: 0000000000000000 RBX: ffff888016481440 RCX: 0000000000000000 [ 58.110099] RDX: ffff88800ab551c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.110994] RBP: ffff888016481454 R08: 0000000000000001 R09: 0000000000000000 [ 58.111889] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.112785] R13: ffffffff84e23fe0 R14: ffff888016481448 R15: ffffffff84d74dc0 [ 58.113700] FS: 000055555638a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.114727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.115466] CR2: 00007f6b6e7156f4 CR3: 000000000fde2000 CR4: 0000000000350ee0 [ 58.116377] Call Trace: [ 58.116704] [ 58.117001] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.117672] ipv4_frags_init_net+0x269/0x440 [ 58.118240] ops_init+0xbb/0x6b0 [ 58.118728] setup_net+0x3d9/0x990 [ 58.119186] ? down_read_killable+0x1d7/0x4e0 [ 58.119795] ? __pfx_setup_net+0x10/0x10 [ 58.120350] ? copy_net_ns+0x17c/0x770 [ 58.120858] copy_net_ns+0x321/0x770 [ 58.121400] create_new_namespaces+0x3f6/0xb30 [ 58.121992] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.122643] ksys_unshare+0x44d/0x8e0 [ 58.123133] ? __pfx_ksys_unshare+0x10/0x10 [ 58.123711] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.124445] __x64_sys_unshare+0x31/0x40 [ 58.124961] do_syscall_64+0x3f/0x90 [ 58.125481] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.126126] RIP: 0033:0x7f3b29f4c0d7 [ 58.126626] 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 [ 58.128800] RSP: 002b:00007ffc0c035338 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.129778] RAX: ffffffffffffffda RBX: 00007ffc0c035978 RCX: 00007f3b29f4c0d7 [ 58.130687] RDX: 00007f3b29fb641f RSI: 00007ffc0c0352d0 RDI: 0000000040000000 [ 58.131579] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc0c0350e0 [ 58.132474] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3b2a05ebf0 [ 58.133378] R13: 00007ffc0c035410 R14: 0000000000000000 R15: 00000000000000f8 [ 58.134303] [ 58.134606] irq event stamp: 8501 [ 58.135022] hardirqs last enabled at (8511): [] __up_console_sem+0x78/0x80 [ 58.136083] hardirqs last disabled at (8522): [] __up_console_sem+0x5d/0x80 [ 58.137145] softirqs last enabled at (7898): [] irq_exit_rcu+0x93/0xc0 [ 58.138200] softirqs last disabled at (7745): [] irq_exit_rcu+0x93/0xc0 [ 58.139220] ---[ end trace 0000000000000000 ]--- [ 58.144353] ------------[ cut here ]------------ [ 58.144953] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.146690] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.147756] Modules linked in: [ 58.148163] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.149334] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.150380] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.151035] 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 [ 58.153222] RSP: 0018:ffff88801f937c00 EFLAGS: 00010282 [ 58.153922] RAX: 0000000000000000 RBX: ffff88800c9a3440 RCX: 0000000000000000 [ 58.154818] RDX: ffff88800ab551c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.155718] RBP: ffff88800c9a3454 R08: 0000000000000001 R09: 0000000000000000 [ 58.156624] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.157545] R13: ffffffff84e23fe0 R14: ffff88800c9a3448 R15: ffffffff84da7d60 [ 58.158461] FS: 000055555638a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.159471] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.160184] CR2: 00007f6b6e7156f4 CR3: 000000000fde2000 CR4: 0000000000350ee0 [ 58.161088] Call Trace: [ 58.161465] [ 58.161770] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.162445] ipv6_frags_init_net+0x206/0x3c0 [ 58.163013] ops_init+0xbb/0x6b0 [ 58.163494] setup_net+0x3d9/0x990 [ 58.163954] ? down_read_killable+0x1d7/0x4e0 [ 58.164560] ? __pfx_setup_net+0x10/0x10 [ 58.165075] ? copy_net_ns+0x17c/0x770 [ 58.165648] copy_net_ns+0x321/0x770 [ 58.166143] create_new_namespaces+0x3f6/0xb30 [ 58.166775] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.167424] ksys_unshare+0x44d/0x8e0 [ 58.167912] ? __pfx_ksys_unshare+0x10/0x10 [ 58.168506] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.169227] __x64_sys_unshare+0x31/0x40 [ 58.169794] do_syscall_64+0x3f/0x90 [ 58.170311] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.170964] RIP: 0033:0x7f3b29f4c0d7 [ 58.171486] 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 [ 58.173682] RSP: 002b:00007ffc0c035338 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.174659] RAX: ffffffffffffffda RBX: 00007ffc0c035978 RCX: 00007f3b29f4c0d7 [ 58.175554] RDX: 00007f3b29fb641f RSI: 00007ffc0c0352d0 RDI: 0000000040000000 [ 58.176457] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc0c0350e0 [ 58.177382] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3b2a05ebf0 [ 58.178238] R13: 00007ffc0c035410 R14: 0000000000000000 R15: 00000000000000f8 [ 58.179168] [ 58.179513] irq event stamp: 10379 [ 58.179958] hardirqs last enabled at (10389): [] __up_console_sem+0x78/0x80 [ 58.181054] hardirqs last disabled at (10400): [] __up_console_sem+0x5d/0x80 [ 58.182158] softirqs last enabled at (10374): [] irq_exit_rcu+0x93/0xc0 [ 58.183229] softirqs last disabled at (10365): [] irq_exit_rcu+0x93/0xc0 [ 58.184297] ---[ end trace 0000000000000000 ]--- [ 58.185680] ------------[ cut here ]------------ [ 58.186360] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.188237] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.189327] Modules linked in: [ 58.189745] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.190916] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.191935] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.192625] 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 [ 58.194835] RSP: 0018:ffff88801f937bf0 EFLAGS: 00010286 [ 58.195537] RAX: 0000000000000000 RBX: ffff88800c9a2e40 RCX: 0000000000000000 [ 58.196458] RDX: ffff88800ab551c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.197402] RBP: ffff88800c9a2e54 R08: 0000000000000001 R09: 0000000000000000 [ 58.198299] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.199166] R13: ffffffff84e23fe0 R14: ffff88800c9a2e48 R15: ffffffff84db0aa0 [ 58.200065] FS: 000055555638a400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.201071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.201839] CR2: 00007f6b6e7156f4 CR3: 000000000fde2000 CR4: 0000000000350ee0 [ 58.202742] Call Trace: [ 58.203072] [ 58.203414] nf_ct_net_init+0x224/0x3d0 [ 58.203936] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.204565] ops_init+0xbb/0x6b0 [ 58.205021] setup_net+0x3d9/0x990 [ 58.205537] ? down_read_killable+0x1d7/0x4e0 [ 58.206110] ? __pfx_setup_net+0x10/0x10 [ 58.206664] ? copy_net_ns+0x17c/0x770 [ 58.207184] copy_net_ns+0x321/0x770 [ 58.207712] create_new_namespaces+0x3f6/0xb30 [ 58.208349] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.208972] ksys_unshare+0x44d/0x8e0 [ 58.209531] ? __pfx_ksys_unshare+0x10/0x10 [ 58.210094] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.210853] __x64_sys_unshare+0x31/0x40 [ 58.211403] do_syscall_64+0x3f/0x90 [ 58.211888] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.212581] RIP: 0033:0x7f3b29f4c0d7 [ 58.213049] 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 [ 58.215246] RSP: 002b:00007ffc0c035338 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.216200] RAX: ffffffffffffffda RBX: 00007ffc0c035978 RCX: 00007f3b29f4c0d7 [ 58.217091] RDX: 00007f3b29fb641f RSI: 00007ffc0c0352d0 RDI: 0000000040000000 [ 58.218012] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc0c0350e0 [ 58.218908] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3b2a05ebf0 [ 58.219786] R13: 00007ffc0c035410 R14: 0000000000000000 R15: 00000000000000f8 [ 58.220698] [ 58.221000] irq event stamp: 11171 [ 58.221485] hardirqs last enabled at (11183): [] __up_console_sem+0x78/0x80 [ 58.222577] hardirqs last disabled at (11194): [] __up_console_sem+0x5d/0x80 [ 58.223648] softirqs last enabled at (11086): [] irq_exit_rcu+0x93/0xc0 [ 58.224702] softirqs last disabled at (11081): [] irq_exit_rcu+0x93/0xc0 [ 58.225890] ---[ end trace 0000000000000000 ]--- executing program [ 59.771948] Bluetooth: hci0: command 0x0409 tx timeout [ 61.819443] Bluetooth: hci0: command 0x041b tx timeout executing program [ 63.867339] Bluetooth: hci0: command 0x040f tx timeout executing program [ 65.915476] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 00:51:07 Registers: info registers vcpu 0 RAX=000000000002aa75 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=00007f020bfedde0 CR3=000000000e152000 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=2031313a31353a30302038312079614d XMM01=5d3835333839302e38352020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3835333839302e38352020205b XMM07=79732031313a31353a30302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f937598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 000055555638a400 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=00007f6b6e7156f4 CR3=000000000fde2000 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