syzkaller login: [ 34.217983] sshd (219) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:32731' (ECDSA) to the list of known hosts. 2023/05/16 17:38:30 fuzzer started 2023/05/16 17:38:31 dialing manager at localhost:35573 2023/05/16 17:38:31 checking machine... 2023/05/16 17:38:31 checking revisions... [ 36.279574] kmemleak: Automatic memory scanning thread ended 2023/05/16 17:38:31 testing simple program... [ 36.355224] cgroup: Unknown subsys name 'net' [ 36.439821] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.556751] audit: type=1400 audit(1684258724.614:6): 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 [ 50.681972] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.683411] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.685309] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.689118] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.690538] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.693392] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.080131] ------------[ cut here ]------------ [ 51.080788] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.082579] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.083700] Modules linked in: [ 51.084176] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.089140] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.090434] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.091260] 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 [ 51.093509] RSP: 0018:ffff8880189e7c00 EFLAGS: 00010282 [ 51.094219] RAX: 0000000000000000 RBX: ffff88800ed12c40 RCX: 0000000000000000 [ 51.095137] RDX: ffff88800fe251c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.096053] RBP: ffff88800ed12c54 R08: 0000000000000001 R09: 0000000000000000 [ 51.096988] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.097869] R13: ffffffff84e223a0 R14: ffff88800ed12c48 R15: ffffffff84d73340 [ 51.098784] FS: 000055555720e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.099807] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.100580] CR2: 00007f4beb5436f4 CR3: 0000000016ada000 CR4: 0000000000350ef0 [ 51.101519] Call Trace: [ 51.101850] [ 51.102201] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.102817] ipv4_frags_init_net+0x269/0x440 [ 51.103423] ops_init+0xbb/0x6b0 [ 51.103869] setup_net+0x3d9/0x990 [ 51.104381] ? down_read_killable+0x1d7/0x4e0 [ 51.104983] ? __pfx_setup_net+0x10/0x10 [ 51.105529] ? copy_net_ns+0x17c/0x770 [ 51.106092] copy_net_ns+0x321/0x770 [ 51.106573] create_new_namespaces+0x3f6/0xb30 [ 51.107206] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.107819] ksys_unshare+0x44d/0x8e0 [ 51.108380] ? __pfx_ksys_unshare+0x10/0x10 [ 51.108963] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.109719] __x64_sys_unshare+0x31/0x40 [ 51.110292] do_syscall_64+0x3f/0x90 [ 51.110770] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.111454] RIP: 0033:0x7f6dfd52a0d7 [ 51.111946] 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 [ 51.114195] RSP: 002b:00007ffd492982e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.115177] RAX: ffffffffffffffda RBX: 00007ffd49298928 RCX: 00007f6dfd52a0d7 [ 51.116102] RDX: 00007f6dfd59441f RSI: 00007ffd49298280 RDI: 0000000040000000 [ 51.117040] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd49298090 [ 51.117941] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6dfd63cbf0 [ 51.118826] R13: 00007ffd492983c0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.119749] [ 51.120122] irq event stamp: 7865 [ 51.120552] hardirqs last enabled at (7875): [] __up_console_sem+0x78/0x80 [ 51.121668] hardirqs last disabled at (7886): [] __up_console_sem+0x5d/0x80 [ 51.122745] softirqs last enabled at (7422): [] irq_exit_rcu+0x93/0xc0 [ 51.123800] softirqs last disabled at (7367): [] irq_exit_rcu+0x93/0xc0 [ 51.124887] ---[ end trace 0000000000000000 ]--- [ 51.131201] ------------[ cut here ]------------ [ 51.131819] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.133602] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 executing program [ 51.134712] Modules linked in: [ 51.135740] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.136957] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.138036] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.138685] 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 [ 51.140928] RSP: 0018:ffff8880189e7c00 EFLAGS: 00010282 [ 51.141620] RAX: 0000000000000000 RBX: ffff88800d5cf640 RCX: 0000000000000000 [ 51.142529] RDX: ffff88800fe251c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.143447] RBP: ffff88800d5cf654 R08: 0000000000000001 R09: 0000000000000000 [ 51.144388] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.145319] R13: ffffffff84e223a0 R14: ffff88800d5cf648 R15: ffffffff84da62e0 [ 51.146241] FS: 000055555720e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.147261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.148032] CR2: 00007f4beb5436f4 CR3: 0000000016ada000 CR4: 0000000000350ef0 [ 51.148950] Call Trace: [ 51.149314] [ 51.149607] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.150272] ipv6_frags_init_net+0x206/0x3c0 [ 51.150830] ops_init+0xbb/0x6b0 [ 51.151322] setup_net+0x3d9/0x990 [ 51.151778] ? down_read_killable+0x1d7/0x4e0 [ 51.152417] ? __pfx_setup_net+0x10/0x10 [ 51.152955] ? copy_net_ns+0x17c/0x770 [ 51.153501] copy_net_ns+0x321/0x770 [ 51.154031] create_new_namespaces+0x3f6/0xb30 [ 51.154626] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.155289] ksys_unshare+0x44d/0x8e0 [ 51.155782] ? __pfx_ksys_unshare+0x10/0x10 [ 51.156402] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.157173] __x64_sys_unshare+0x31/0x40 [ 51.157722] do_syscall_64+0x3f/0x90 [ 51.158249] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.158925] RIP: 0033:0x7f6dfd52a0d7 [ 51.159406] 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 [ 51.161711] RSP: 002b:00007ffd492982e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.162691] RAX: ffffffffffffffda RBX: 00007ffd49298928 RCX: 00007f6dfd52a0d7 [ 51.163599] RDX: 00007f6dfd59441f RSI: 00007ffd49298280 RDI: 0000000040000000 [ 51.164537] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd49298090 [ 51.165467] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6dfd63cbf0 [ 51.166396] R13: 00007ffd492983c0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.167325] [ 51.167626] irq event stamp: 9887 [ 51.168112] hardirqs last enabled at (9899): [] __up_console_sem+0x78/0x80 [ 51.169208] hardirqs last disabled at (9910): [] __up_console_sem+0x5d/0x80 [ 51.170326] softirqs last enabled at (9412): [] irq_exit_rcu+0x93/0xc0 [ 51.171383] softirqs last disabled at (9361): [] irq_exit_rcu+0x93/0xc0 [ 51.172454] ---[ end trace 0000000000000000 ]--- [ 51.174179] ------------[ cut here ]------------ [ 51.175073] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.177150] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.178245] Modules linked in: [ 51.178659] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.179825] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.180869] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.181583] 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 [ 51.183778] RSP: 0018:ffff8880189e7bf0 EFLAGS: 00010286 [ 51.184503] RAX: 0000000000000000 RBX: ffff88800d5ce240 RCX: 0000000000000000 [ 51.185439] RDX: ffff88800fe251c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.186355] RBP: ffff88800d5ce254 R08: 0000000000000001 R09: 0000000000000000 [ 51.187270] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.188208] R13: ffffffff84e223a0 R14: ffff88800d5ce248 R15: ffffffff84daf020 [ 51.189141] FS: 000055555720e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.190188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.190929] CR2: 00007f4beb5436f4 CR3: 0000000016ada000 CR4: 0000000000350ef0 [ 51.191812] Call Trace: [ 51.192209] [ 51.192511] nf_ct_net_init+0x224/0x3d0 [ 51.193072] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.193666] ops_init+0xbb/0x6b0 [ 51.194163] setup_net+0x3d9/0x990 [ 51.194625] ? down_read_killable+0x1d7/0x4e0 [ 51.195265] ? __pfx_setup_net+0x10/0x10 [ 51.195781] ? copy_net_ns+0x17c/0x770 [ 51.196358] copy_net_ns+0x321/0x770 [ 51.196836] create_new_namespaces+0x3f6/0xb30 [ 51.197493] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.198172] ksys_unshare+0x44d/0x8e0 [ 51.198660] ? __pfx_ksys_unshare+0x10/0x10 [ 51.199260] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.200014] __x64_sys_unshare+0x31/0x40 [ 51.200567] do_syscall_64+0x3f/0x90 [ 51.201102] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.201762] RIP: 0033:0x7f6dfd52a0d7 [ 51.202293] 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 [ 51.204500] RSP: 002b:00007ffd492982e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.205488] RAX: ffffffffffffffda RBX: 00007ffd49298928 RCX: 00007f6dfd52a0d7 [ 51.206398] RDX: 00007f6dfd59441f RSI: 00007ffd49298280 RDI: 0000000040000000 [ 51.207319] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd49298090 [ 51.208240] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f6dfd63cbf0 [ 51.209152] R13: 00007ffd492983c0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.210093] [ 51.210400] irq event stamp: 10729 [ 51.210827] hardirqs last enabled at (10739): [] __up_console_sem+0x78/0x80 [ 51.211924] hardirqs last disabled at (10752): [] __up_console_sem+0x5d/0x80 [ 51.213029] softirqs last enabled at (10378): [] irq_exit_rcu+0x93/0xc0 [ 51.214109] softirqs last disabled at (10373): [] irq_exit_rcu+0x93/0xc0 [ 51.215159] ---[ end trace 0000000000000000 ]--- [ 52.706718] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.754132] Bluetooth: hci0: command 0x041b tx timeout [ 56.801987] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.850000] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:38:45 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880189e75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 000055555720e400 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=00007f4beb5436f4 CR3=0000000016ada000 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=0000000000029681 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007f58e836e418 CR3=0000000015b30000 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=2036343a38333a37312036312079614d XMM01=5d3030373338302e31352020205b203a XMM02=646f4d205d3030373338302e31352020 XMM03=6b7a79732036343a38333a3731203631 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3937353238302e31352020205b XMM07=79732036343a38333a37312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000