syzkaller login: [ 46.288588] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:35670' (ECDSA) to the list of known hosts. 2023/05/17 08:53:59 fuzzer started 2023/05/17 08:53:59 dialing manager at localhost:35573 2023/05/17 08:53:59 checking machine... 2023/05/17 08:53:59 checking revisions... [ 47.243273] kmemleak: Automatic memory scanning thread ended 2023/05/17 08:53:59 testing simple program... [ 47.302604] cgroup: Unknown subsys name 'net' [ 47.386744] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 59.718495] audit: type=1400 audit(1684313651.987:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 60.816489] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.818028] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.819751] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.830472] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.831837] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 60.832564] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 61.115733] ------------[ cut here ]------------ [ 61.116299] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 61.117484] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.118191] Modules linked in: [ 61.118462] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.119490] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.122228] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.122656] 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 [ 61.124133] RSP: 0018:ffff88801c827c00 EFLAGS: 00010282 [ 61.124617] RAX: 0000000000000000 RBX: ffff88800d4ec440 RCX: 0000000000000000 [ 61.125262] RDX: ffff888016bd9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.125854] RBP: ffff88800d4ec454 R08: 0000000000000001 R09: 0000000000000000 [ 61.126454] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 61.127102] R13: ffffffff84e223a0 R14: ffff88800d4ec448 R15: ffffffff84d73340 [ 61.127697] FS: 0000555556963400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.128365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.128808] CR2: 00007f7bc34bf6f4 CR3: 0000000009732000 CR4: 0000000000350ef0 [ 61.129434] Call Trace: [ 61.129685] [ 61.129937] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 61.130445] ipv4_frags_init_net+0x269/0x440 [ 61.130894] ops_init+0xbb/0x6b0 [ 61.131239] setup_net+0x3d9/0x990 [ 61.131556] ? down_read_killable+0x1d7/0x4e0 [ 61.131918] ? __pfx_setup_net+0x10/0x10 [ 61.132248] ? copy_net_ns+0x17c/0x770 [ 61.132564] copy_net_ns+0x321/0x770 [ 61.132871] create_new_namespaces+0x3f6/0xb30 [ 61.133253] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.133631] ksys_unshare+0x44d/0x8e0 [ 61.133936] ? __pfx_ksys_unshare+0x10/0x10 [ 61.134293] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.134764] __x64_sys_unshare+0x31/0x40 [ 61.135135] do_syscall_64+0x3f/0x90 [ 61.135470] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.135944] RIP: 0033:0x7fe6ce0a00d7 [ 61.136312] 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 [ 61.137735] RSP: 002b:00007fff772765e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.138330] RAX: ffffffffffffffda RBX: 00007fff77276c28 RCX: 00007fe6ce0a00d7 [ 61.138881] RDX: 00007fe6ce10a41f RSI: 00007fff77276580 RDI: 0000000040000000 [ 61.139440] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff77276390 [ 61.140056] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe6ce1b2bf0 [ 61.140688] R13: 00007fff772766c0 R14: 0000000000000000 R15: 00000000000000f8 [ 61.141408] [ 61.141648] irq event stamp: 12089 [ 61.142058] hardirqs last enabled at (12101): [] __up_console_sem+0x78/0x80 [ 61.142905] hardirqs last disabled at (12110): [] __up_console_sem+0x5d/0x80 [ 61.143586] softirqs last enabled at (11590): [] irq_exit_rcu+0x93/0xc0 [ 61.144260] softirqs last disabled at (12131): [] irq_exit_rcu+0x93/0xc0 [ 61.144899] ---[ end trace 0000000000000000 ]--- [ 61.149718] ------------[ cut here ]------------ [ 61.150249] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 61.151443] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.152198] Modules linked in: [ 61.152487] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.153313] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.154112] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.154636] 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 [ 61.156126] RSP: 0018:ffff88801c827c00 EFLAGS: 00010282 [ 61.156549] RAX: 0000000000000000 RBX: ffff88800e29b440 RCX: 0000000000000000 [ 61.157138] RDX: ffff888016bd9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.157700] RBP: ffff88800e29b454 R08: 0000000000000001 R09: 0000000000000000 [ 61.158274] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.158850] R13: ffffffff84e223a0 R14: ffff88800e29b448 R15: ffffffff84da62e0 [ 61.159404] FS: 0000555556963400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.160023] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.160467] CR2: 00007f7bc34bf6f4 CR3: 0000000009732000 CR4: 0000000000350ef0 [ 61.161029] Call Trace: [ 61.161232] [ 61.161416] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 61.161795] ipv6_frags_init_net+0x206/0x3c0 [ 61.162155] ops_init+0xbb/0x6b0 [ 61.162430] setup_net+0x3d9/0x990 [ 61.162723] ? down_read_killable+0x1d7/0x4e0 [ 61.163086] ? __pfx_setup_net+0x10/0x10 [ 61.163391] ? copy_net_ns+0x17c/0x770 [ 61.163699] copy_net_ns+0x321/0x770 [ 61.164009] create_new_namespaces+0x3f6/0xb30 [ 61.164370] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.164752] ksys_unshare+0x44d/0x8e0 [ 61.165079] ? __pfx_ksys_unshare+0x10/0x10 [ 61.165413] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.165842] __x64_sys_unshare+0x31/0x40 [ 61.166173] do_syscall_64+0x3f/0x90 [ 61.166472] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.166926] RIP: 0033:0x7fe6ce0a00d7 [ 61.167232] 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 [ 61.168562] RSP: 002b:00007fff772765e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.169148] RAX: ffffffffffffffda RBX: 00007fff77276c28 RCX: 00007fe6ce0a00d7 [ 61.169675] RDX: 00007fe6ce10a41f RSI: 00007fff77276580 RDI: 0000000040000000 [ 61.170270] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff77276390 [ 61.170823] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe6ce1b2bf0 [ 61.171395] R13: 00007fff772766c0 R14: 0000000000000000 R15: 00000000000000f8 [ 61.171944] [ 61.172147] irq event stamp: 13987 [ 61.172414] hardirqs last enabled at (13997): [] __up_console_sem+0x78/0x80 [ 61.173077] hardirqs last disabled at (14008): [] __up_console_sem+0x5d/0x80 [ 61.173706] softirqs last enabled at (13492): [] irq_exit_rcu+0x93/0xc0 [ 61.174356] softirqs last disabled at (13473): [] irq_exit_rcu+0x93/0xc0 [ 61.175075] ---[ end trace 0000000000000000 ]--- [ 61.177194] ------------[ cut here ]------------ [ 61.177631] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 61.179092] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 61.179740] Modules linked in: [ 61.180037] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 61.180726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 61.181439] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 61.181950] 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 [ 61.183741] RSP: 0018:ffff88801c827bf0 EFLAGS: 00010286 [ 61.184231] RAX: 0000000000000000 RBX: ffff88800e29ba40 RCX: 0000000000000000 [ 61.184842] RDX: ffff888016bd9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 61.185471] RBP: ffff88800e29ba54 R08: 0000000000000001 R09: 0000000000000000 [ 61.186102] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 61.186687] R13: ffffffff84e223a0 R14: ffff88800e29ba48 R15: ffffffff84daf020 [ 61.187311] FS: 0000555556963400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 61.187931] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.188393] CR2: 00007f7bc34bf6f4 CR3: 0000000009732000 CR4: 0000000000350ef0 [ 61.188938] Call Trace: [ 61.189169] [ 61.189354] nf_ct_net_init+0x224/0x3d0 [ 61.189817] ? __pfx_nf_ct_net_init+0x10/0x10 [ 61.190325] ops_init+0xbb/0x6b0 [ 61.190682] setup_net+0x3d9/0x990 [ 61.191058] ? down_read_killable+0x1d7/0x4e0 [ 61.191466] ? __pfx_setup_net+0x10/0x10 [ 61.191822] ? copy_net_ns+0x17c/0x770 [ 61.192226] copy_net_ns+0x321/0x770 [ 61.192574] create_new_namespaces+0x3f6/0xb30 [ 61.192944] unshare_nsproxy_namespaces+0xc1/0x200 [ 61.193362] ksys_unshare+0x44d/0x8e0 [ 61.193683] ? __pfx_ksys_unshare+0x10/0x10 [ 61.194059] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 61.194509] __x64_sys_unshare+0x31/0x40 [ 61.194878] do_syscall_64+0x3f/0x90 [ 61.195229] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 61.195673] RIP: 0033:0x7fe6ce0a00d7 [ 61.196010] 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 [ 61.197481] RSP: 002b:00007fff772765e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 61.198108] RAX: ffffffffffffffda RBX: 00007fff77276c28 RCX: 00007fe6ce0a00d7 [ 61.198670] RDX: 00007fe6ce10a41f RSI: 00007fff77276580 RDI: 0000000040000000 [ 61.199220] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff77276390 [ 61.199884] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fe6ce1b2bf0 [ 61.200572] R13: 00007fff772766c0 R14: 0000000000000000 R15: 00000000000000f8 [ 61.201219] [ 61.201427] irq event stamp: 16657 [ 61.201727] hardirqs last enabled at (16667): [] __up_console_sem+0x78/0x80 [ 61.202598] hardirqs last disabled at (16678): [] __up_console_sem+0x5d/0x80 [ 61.203296] softirqs last enabled at (16198): [] irq_exit_rcu+0x93/0xc0 [ 61.203927] softirqs last disabled at (16193): [] irq_exit_rcu+0x93/0xc0 [ 61.204670] ---[ end trace 0000000000000000 ]--- executing program [ 62.843561] Bluetooth: hci0: command 0x0409 tx timeout [ 64.891734] Bluetooth: hci0: command 0x041b tx timeout executing program [ 66.940051] Bluetooth: hci0: command 0x040f tx timeout executing program [ 68.987108] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 08:54:09 Registers: info registers vcpu 0 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801c827618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 0000555556963400 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=00007f7bc34bf6f4 CR3=0000000009732000 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=00007f7bc34ce47000007f7bc34cdf20 XMM02=00000000000000000000000000000000 XMM03=756e20796d6d756420736e6f6974706f XMM04=2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f2f XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=73253d656d616e6c6165722073253d73 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff81fd3370 RBX=ffffffff857f9148 RCX=0000000000000000 RDX=0000000000000002 RSI=ffff88801ab4907e RDI=ffff888016f4f6a0 RBP=ffff888016f4f6a0 RSP=ffff888016f4f5f0 R8 =0000000000000007 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000000 R12=ffff88801ab4907e R13=0000000000000002 R14=0000000000000000 R15=ffff888016f4f6a0 RIP=ffffffff81fd3376 RFL=00000246 [---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 00007f8e44c80700 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=00007f5af3b68038 CR3=000000000cadc000 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=2033313a34353a38302037312079614d XMM01=5d3039343931312e31362020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3039343931312e31362020205b20 XMM07=732033313a34353a3830203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000