syzkaller login: [ 54.890781] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:41978' (ECDSA) to the list of known hosts. 2023/05/18 02:10:32 fuzzer started 2023/05/18 02:10:32 dialing manager at localhost:44319 2023/05/18 02:10:32 checking machine... 2023/05/18 02:10:32 checking revisions... [ 57.088559] kmemleak: Automatic memory scanning thread ended 2023/05/18 02:10:32 testing simple program... [ 57.151330] cgroup: Unknown subsys name 'net' [ 57.280155] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 69.639791] audit: type=1400 audit(1684375845.068:6): 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 [ 70.721372] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 70.725218] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 70.727076] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 70.731333] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 70.733070] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 70.734842] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.140218] ------------[ cut here ]------------ [ 71.141082] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 71.143500] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 71.145016] Modules linked in: [ 71.145479] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 71.150341] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 71.151433] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 71.152175] 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 [ 71.154514] RSP: 0018:ffff8880164e7c00 EFLAGS: 00010282 [ 71.155234] RAX: 0000000000000000 RBX: ffff88800e1d9440 RCX: 0000000000000000 [ 71.156161] RDX: ffff88800fca1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 71.157094] RBP: ffff88800e1d9454 R08: 0000000000000001 R09: 0000000000000000 [ 71.158025] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 71.158922] R13: ffffffff84e23fe0 R14: ffff88800e1d9448 R15: ffffffff84d74dc0 [ 71.159857] FS: 00005555563be400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 71.160913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.161826] CR2: 00007f96390606f4 CR3: 000000001a52a000 CR4: 0000000000350ef0 [ 71.162813] Call Trace: [ 71.163195] [ 71.163512] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 71.164223] ipv4_frags_init_net+0x269/0x440 [ 71.164813] ops_init+0xbb/0x6b0 [ 71.165375] setup_net+0x3d9/0x990 [ 71.165863] ? down_read_killable+0x1d7/0x4e0 [ 71.166496] ? __pfx_setup_net+0x10/0x10 [ 71.167118] ? copy_net_ns+0x17c/0x770 [ 71.167656] copy_net_ns+0x321/0x770 [ 71.168200] create_new_namespaces+0x3f6/0xb30 [ 71.168854] unshare_nsproxy_namespaces+0xc1/0x200 [ 71.169552] ksys_unshare+0x44d/0x8e0 [ 71.170127] ? __pfx_ksys_unshare+0x10/0x10 [ 71.170706] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 71.171526] __x64_sys_unshare+0x31/0x40 [ 71.172108] do_syscall_64+0x3f/0x90 [ 71.172633] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 71.173382] RIP: 0033:0x7f741dbc00d7 [ 71.173876] 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 [ 71.176285] RSP: 002b:00007ffc68879918 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 71.177306] RAX: ffffffffffffffda RBX: 00007ffc68879f58 RCX: 00007f741dbc00d7 [ 71.178290] RDX: 00007f741dc2a41f RSI: 00007ffc688798b0 RDI: 0000000040000000 [ 71.179253] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc688796c0 [ 71.180243] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f741dcd2bf0 [ 71.181186] R13: 00007ffc688799f0 R14: 0000000000000000 R15: 00000000000000f8 [ 71.182146] [ 71.182467] irq event stamp: 7733 [ 71.182912] hardirqs last enabled at (7743): [] __up_console_sem+0x78/0x80 [ 71.184043] hardirqs last disabled at (7754): [] __up_console_sem+0x5d/0x80 [ 71.185203] softirqs last enabled at (7224): [] irq_exit_rcu+0x93/0xc0 [ 71.186305] softirqs last disabled at (7219): [] irq_exit_rcu+0x93/0xc0 [ 71.187552] ---[ end trace 0000000000000000 ]--- [ 71.193400] ------------[ cut here ]------------ [ 71.194171] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 71.196042] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 71.197197] Modules linked in: [ 71.197670] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 71.198949] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 71.200046] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 71.200745] 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 [ 71.203157] RSP: 0018:ffff8880164e7c00 EFLAGS: 00010282 [ 71.203859] RAX: 0000000000000000 RBX: ffff88800f548040 RCX: 0000000000000000 [ 71.204858] RDX: ffff88800fca1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 71.205837] RBP: ffff88800f548054 R08: 0000000000000001 R09: 0000000000000000 [ 71.206839] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 71.207819] R13: ffffffff84e23fe0 R14: ffff88800f548048 R15: ffffffff84da7d60 [ 71.208841] FS: 00005555563be400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 71.210000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.210777] CR2: 00007f96390606f4 CR3: 000000001a52a000 CR4: 0000000000350ef0 [ 71.211761] Call Trace: [ 71.212150] [ 71.212478] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 71.213258] ipv6_frags_init_net+0x206/0x3c0 [ 71.213919] ops_init+0xbb/0x6b0 [ 71.214470] setup_net+0x3d9/0x990 [ 71.215008] ? down_read_killable+0x1d7/0x4e0 [ 71.215687] ? __pfx_setup_net+0x10/0x10 [ 71.216295] ? copy_net_ns+0x17c/0x770 [ 71.216858] copy_net_ns+0x321/0x770 [ 71.217486] create_new_namespaces+0x3f6/0xb30 [ 71.218168] unshare_nsproxy_namespaces+0xc1/0x200 [ 71.218847] ksys_unshare+0x44d/0x8e0 [ 71.219438] ? __pfx_ksys_unshare+0x10/0x10 [ 71.220073] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 71.220856] __x64_sys_unshare+0x31/0x40 [ 71.221473] do_syscall_64+0x3f/0x90 [ 71.222036] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 71.222756] RIP: 0033:0x7f741dbc00d7 [ 71.223310] 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 [ 71.225930] RSP: 002b:00007ffc68879918 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 71.227009] RAX: ffffffffffffffda RBX: 00007ffc68879f58 RCX: 00007f741dbc00d7 [ 71.227953] RDX: 00007f741dc2a41f RSI: 00007ffc688798b0 RDI: 0000000040000000 [ 71.228947] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc688796c0 [ 71.229931] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f741dcd2bf0 [ 71.230924] R13: 00007ffc688799f0 R14: 0000000000000000 R15: 00000000000000f8 [ 71.232002] [ 71.232401] irq event stamp: 9363 [ 71.233049] hardirqs last enabled at (9375): [] __up_console_sem+0x78/0x80 [ 71.234249] hardirqs last disabled at (9386): [] __up_console_sem+0x5d/0x80 [ 71.235472] softirqs last enabled at (9098): [] irq_exit_rcu+0x93/0xc0 [ 71.236656] softirqs last disabled at (9089): [] irq_exit_rcu+0x93/0xc0 [ 71.237899] ---[ end trace 0000000000000000 ]--- [ 71.239523] ------------[ cut here ]------------ [ 71.240376] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 71.242547] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 71.243799] Modules linked in: [ 71.244294] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 71.245693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 71.246832] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 71.247541] 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 [ 71.249946] RSP: 0018:ffff8880164e7bf0 EFLAGS: 00010286 [ 71.250727] RAX: 0000000000000000 RBX: ffff8880094ac240 RCX: 0000000000000000 [ 71.251622] RDX: ffff88800fca1b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 71.252517] RBP: ffff8880094ac254 R08: 0000000000000001 R09: 0000000000000000 [ 71.253478] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 71.254422] R13: ffffffff84e23fe0 R14: ffff8880094ac248 R15: ffffffff84db0aa0 [ 71.255315] FS: 00005555563be400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 71.256328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.257135] CR2: 00007f96390606f4 CR3: 000000001a52a000 CR4: 0000000000350ef0 [ 71.258097] Call Trace: [ 71.258433] [ 71.258741] nf_ct_net_init+0x224/0x3d0 [ 71.259295] ? __pfx_nf_ct_net_init+0x10/0x10 [ 71.259884] ops_init+0xbb/0x6b0 [ 71.260357] setup_net+0x3d9/0x990 [ 71.260813] ? down_read_killable+0x1d7/0x4e0 [ 71.261427] ? __pfx_setup_net+0x10/0x10 [ 71.261940] ? copy_net_ns+0x17c/0x770 [ 71.262479] copy_net_ns+0x321/0x770 [ 71.263000] create_new_namespaces+0x3f6/0xb30 [ 71.263582] unshare_nsproxy_namespaces+0xc1/0x200 [ 71.264253] ksys_unshare+0x44d/0x8e0 [ 71.264872] ? __pfx_ksys_unshare+0x10/0x10 [ 71.265482] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 71.266279] __x64_sys_unshare+0x31/0x40 [ 71.266852] do_syscall_64+0x3f/0x90 [ 71.267364] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 71.268062] RIP: 0033:0x7f741dbc00d7 [ 71.268591] 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 [ 71.270869] RSP: 002b:00007ffc68879918 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 71.271896] RAX: ffffffffffffffda RBX: 00007ffc68879f58 RCX: 00007f741dbc00d7 [ 71.272843] RDX: 00007f741dc2a41f RSI: 00007ffc688798b0 RDI: 0000000040000000 [ 71.273829] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc688796c0 [ 71.274746] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f741dcd2bf0 [ 71.275716] R13: 00007ffc688799f0 R14: 0000000000000000 R15: 00000000000000f8 [ 71.276639] [ 71.277015] irq event stamp: 10185 [ 71.277463] hardirqs last enabled at (10195): [] __up_console_sem+0x78/0x80 [ 71.278633] hardirqs last disabled at (10206): [] __up_console_sem+0x5d/0x80 [ 71.279806] softirqs last enabled at (9868): [] irq_exit_rcu+0x93/0xc0 [ 71.280938] softirqs last disabled at (9863): [] irq_exit_rcu+0x93/0xc0 [ 71.282066] ---[ end trace 0000000000000000 ]--- executing program [ 72.806680] Bluetooth: hci0: command 0x0409 tx timeout [ 74.854028] Bluetooth: hci0: command 0x041b tx timeout executing program [ 76.903038] Bluetooth: hci0: command 0x040f tx timeout executing program [ 78.950052] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:10:25 Registers: info registers vcpu 0 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880164e7598 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 00005555563be400 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=00007f96390606f4 CR3=000000001a52a000 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=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 info registers vcpu 1 RAX=000000000005bc1b RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 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 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=00007f6f519790b8 CR3=000000000df58000 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=2036343a30313a32302038312079614d XMM01=5d3238303134312e31372020205b203a XMM02=657268745f776f6c5f6761726670692f XMM03=6c61626f6c67206c656e72656b206f74 XMM04=6f6c5f676172667069203a6174616420 XMM05=2073746e696f702061746164203a6873 XMM06=347670692f74656e206c746373797320 XMM07=6c656e72656b2072656c6c616b7a7973 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000