syzkaller login: [ 91.251827] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:49584' (ECDSA) to the list of known hosts. 2023/05/17 07:57:54 fuzzer started 2023/05/17 07:57:55 dialing manager at localhost:35573 2023/05/17 07:57:55 checking machine... 2023/05/17 07:57:55 checking revisions... [ 92.492317] kmemleak: Automatic memory scanning thread ended 2023/05/17 07:57:55 testing simple program... [ 92.564759] cgroup: Unknown subsys name 'net' [ 92.705950] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 105.105424] audit: type=1400 audit(1684310287.904:6): 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 [ 106.227128] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 106.229254] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 106.231271] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 106.234721] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 106.237046] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 106.238484] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 106.644409] ------------[ cut here ]------------ [ 106.645136] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 106.647205] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 106.648533] Modules linked in: [ 106.649161] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 106.653925] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 106.655006] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 106.655730] 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 [ 106.658032] RSP: 0018:ffff88801869fc00 EFLAGS: 00010282 [ 106.658753] RAX: 0000000000000000 RBX: ffff88800f6ff440 RCX: 0000000000000000 [ 106.659708] RDX: ffff88800f8b9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 106.660636] RBP: ffff88800f6ff454 R08: 0000000000000001 R09: 0000000000000000 [ 106.661537] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 106.662483] R13: ffffffff84e223a0 R14: ffff88800f6ff448 R15: ffffffff84d73340 [ 106.663459] FS: 0000555555c46400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 106.664574] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.665370] CR2: 00007faccf7346f4 CR3: 0000000010266000 CR4: 0000000000350ee0 [ 106.666348] Call Trace: [ 106.666737] [ 106.667061] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 106.667769] ipv4_frags_init_net+0x269/0x440 [ 106.668375] ops_init+0xbb/0x6b0 [ 106.668891] setup_net+0x3d9/0x990 [ 106.669388] ? down_read_killable+0x1d7/0x4e0 [ 106.670044] ? __pfx_setup_net+0x10/0x10 [ 106.670633] ? copy_net_ns+0x17c/0x770 [ 106.671194] copy_net_ns+0x321/0x770 [ 106.671770] create_new_namespaces+0x3f6/0xb30 [ 106.672413] unshare_nsproxy_namespaces+0xc1/0x200 [ 106.673112] ksys_unshare+0x44d/0x8e0 [ 106.673680] ? __pfx_ksys_unshare+0x10/0x10 [ 106.674278] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 106.675075] __x64_sys_unshare+0x31/0x40 [ 106.675685] do_syscall_64+0x3f/0x90 [ 106.676207] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 106.676936] RIP: 0033:0x7f941b1180d7 [ 106.677438] 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 [ 106.679818] RSP: 002b:00007ffe40b8bac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 106.680860] RAX: ffffffffffffffda RBX: 00007ffe40b8c108 RCX: 00007f941b1180d7 [ 106.681831] RDX: 00007f941b18241f RSI: 00007ffe40b8ba60 RDI: 0000000040000000 [ 106.682802] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe40b8b870 [ 106.683791] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f941b22abf0 [ 106.684750] R13: 00007ffe40b8bba0 R14: 0000000000000000 R15: 00000000000000f8 [ 106.685747] [ 106.686073] irq event stamp: 10931 [ 106.686545] hardirqs last enabled at (10941): [] __up_console_sem+0x78/0x80 [ 106.687747] hardirqs last disabled at (10954): [] __up_console_sem+0x5d/0x80 [ 106.688914] softirqs last enabled at (10464): [] irq_exit_rcu+0x93/0xc0 [ 106.690047] softirqs last disabled at (10423): [] irq_exit_rcu+0x93/0xc0 [ 106.691185] ---[ end trace 0000000000000000 ]--- [ 106.697536] ------------[ cut here ]------------ [ 106.698211] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 106.700273] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 106.701422] Modules linked in: [ 106.701901] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 106.703172] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 106.704298] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 106.705029] 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 [ 106.707419] RSP: 0018:ffff88801869fc00 EFLAGS: 00010282 [ 106.708185] RAX: 0000000000000000 RBX: ffff888009540840 RCX: 0000000000000000 [ 106.709164] RDX: ffff88800f8b9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 106.710138] RBP: ffff888009540854 R08: 0000000000000001 R09: 0000000000000000 [ 106.711107] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 106.712090] R13: ffffffff84e223a0 R14: ffff888009540848 R15: ffffffff84da62e0 [ 106.713077] FS: 0000555555c46400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 106.714179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.714993] CR2: 00007faccf7346f4 CR3: 0000000010266000 CR4: 0000000000350ee0 [ 106.715971] Call Trace: [ 106.716323] [ 106.716674] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 106.717343] ipv6_frags_init_net+0x206/0x3c0 [ 106.717975] ops_init+0xbb/0x6b0 [ 106.718460] setup_net+0x3d9/0x990 [ 106.718986] ? down_read_killable+0x1d7/0x4e0 [ 106.719655] ? __pfx_setup_net+0x10/0x10 [ 106.720207] ? copy_net_ns+0x17c/0x770 [ 106.720786] copy_net_ns+0x321/0x770 [ 106.721310] create_new_namespaces+0x3f6/0xb30 [ 106.721977] unshare_nsproxy_namespaces+0xc1/0x200 [ 106.722688] ksys_unshare+0x44d/0x8e0 [ 106.723225] ? __pfx_ksys_unshare+0x10/0x10 [ 106.723867] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 106.724677] __x64_sys_unshare+0x31/0x40 [ 106.725239] do_syscall_64+0x3f/0x90 [ 106.725786] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 106.726481] RIP: 0033:0x7f941b1180d7 [ 106.727013] 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 [ 106.729407] RSP: 002b:00007ffe40b8bac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 106.730442] RAX: ffffffffffffffda RBX: 00007ffe40b8c108 RCX: 00007f941b1180d7 [ 106.731405] RDX: 00007f941b18241f RSI: 00007ffe40b8ba60 RDI: 0000000040000000 [ 106.732377] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe40b8b870 [ 106.733341] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f941b22abf0 [ 106.734298] R13: 00007ffe40b8bba0 R14: 0000000000000000 R15: 00000000000000f8 [ 106.735284] [ 106.735657] irq event stamp: 12893 [ 106.736134] hardirqs last enabled at (12903): [] __up_console_sem+0x78/0x80 [ 106.737295] hardirqs last disabled at (12914): [] __up_console_sem+0x5d/0x80 [ 106.738454] softirqs last enabled at (11864): [] irq_exit_rcu+0x93/0xc0 [ 106.739628] softirqs last disabled at (11797): [] irq_exit_rcu+0x93/0xc0 [ 106.740772] ---[ end trace 0000000000000000 ]--- [ 106.742310] ------------[ cut here ]------------ [ 106.743036] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 106.745274] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 106.746444] Modules linked in: [ 106.746922] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 106.748192] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 106.749292] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 106.750021] 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 [ 106.752412] RSP: 0018:ffff88801869fbf0 EFLAGS: 00010286 [ 106.753163] RAX: 0000000000000000 RBX: ffff888009541040 RCX: 0000000000000000 [ 106.754145] RDX: ffff88800f8b9b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 106.755111] RBP: ffff888009541054 R08: 0000000000000001 R09: 0000000000000000 [ 106.756114] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 106.757094] R13: ffffffff84e223a0 R14: ffff888009541048 R15: ffffffff84daf020 [ 106.758072] FS: 0000555555c46400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 106.759166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 106.759997] CR2: 00007faccf7346f4 CR3: 0000000010266000 CR4: 0000000000350ee0 [ 106.760962] Call Trace: [ 106.761313] [ 106.761673] nf_ct_net_init+0x224/0x3d0 [ 106.762239] ? __pfx_nf_ct_net_init+0x10/0x10 [ 106.762886] ops_init+0xbb/0x6b0 [ 106.763377] setup_net+0x3d9/0x990 [ 106.763907] ? down_read_killable+0x1d7/0x4e0 [ 106.764525] ? __pfx_setup_net+0x10/0x10 [ 106.765103] ? copy_net_ns+0x17c/0x770 [ 106.765689] copy_net_ns+0x321/0x770 [ 106.766211] create_new_namespaces+0x3f6/0xb30 [ 106.766881] unshare_nsproxy_namespaces+0xc1/0x200 [ 106.767564] ksys_unshare+0x44d/0x8e0 [ 106.768135] ? __pfx_ksys_unshare+0x10/0x10 [ 106.768760] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 106.769542] __x64_sys_unshare+0x31/0x40 [ 106.770138] do_syscall_64+0x3f/0x90 [ 106.770702] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 106.771379] RIP: 0033:0x7f941b1180d7 [ 106.771927] 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 [ 106.774242] RSP: 002b:00007ffe40b8bac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 106.775242] RAX: ffffffffffffffda RBX: 00007ffe40b8c108 RCX: 00007f941b1180d7 [ 106.776185] RDX: 00007f941b18241f RSI: 00007ffe40b8ba60 RDI: 0000000040000000 [ 106.777130] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe40b8b870 [ 106.778052] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f941b22abf0 [ 106.778987] R13: 00007ffe40b8bba0 R14: 0000000000000000 R15: 00000000000000f8 [ 106.780022] [ 106.780370] irq event stamp: 13667 [ 106.780945] hardirqs last enabled at (13679): [] __up_console_sem+0x78/0x80 [ 106.782176] hardirqs last disabled at (13690): [] __up_console_sem+0x5d/0x80 [ 106.783359] softirqs last enabled at (13288): [] irq_exit_rcu+0x93/0xc0 [ 106.784509] softirqs last disabled at (13283): [] irq_exit_rcu+0x93/0xc0 [ 106.785635] ---[ end trace 0000000000000000 ]--- executing program [ 108.310303] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 110.357747] Bluetooth: hci0: command 0x041b tx timeout [ 112.405983] Bluetooth: hci0: command 0x040f tx timeout executing program [ 114.453949] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:57:12 Registers: info registers vcpu 0 RAX=000000000002096f RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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=00007f92aa7a2710 CR3=000000000e264000 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=462e2ed2a19e1e82f046eedfc96e7450 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=48d4bc7179205ac10000000000147870 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=8bb71e690866edaf00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000039 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801869f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000039 R11=0000000000000001 R12=0000000000000039 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 0000555555c46400 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=00007faccf7346f4 CR3=0000000010266000 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