syzkaller login: [ 72.210390] sshd (220) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:29559' (ECDSA) to the list of known hosts. 2023/05/16 22:22:20 fuzzer started 2023/05/16 22:22:20 dialing manager at localhost:35573 2023/05/16 22:22:20 checking machine... 2023/05/16 22:22:20 checking revisions... [ 74.352947] kmemleak: Automatic memory scanning thread ended 2023/05/16 22:22:20 testing simple program... [ 74.425653] cgroup: Unknown subsys name 'net' [ 74.490502] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 86.598964] audit: type=1400 audit(1684275753.181:6): 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 [ 87.714254] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 87.715809] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 87.718428] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 87.722265] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 87.725048] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 87.727179] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 88.135675] ------------[ cut here ]------------ [ 88.136455] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 88.138493] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 88.139777] Modules linked in: [ 88.140299] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 88.145184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 88.146241] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 88.146912] 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 [ 88.149158] RSP: 0018:ffff88801f667c00 EFLAGS: 00010282 [ 88.149821] RAX: 0000000000000000 RBX: ffff88800cae0c40 RCX: 0000000000000000 [ 88.150714] RDX: ffff88800fd93680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 88.151618] RBP: ffff88800cae0c54 R08: 0000000000000001 R09: 0000000000000000 [ 88.152524] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 88.153414] R13: ffffffff84e223a0 R14: ffff88800cae0c48 R15: ffffffff84d73340 [ 88.154318] FS: 0000555555b78400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 88.155313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.156062] CR2: 00007fdfcfe76ea0 CR3: 000000000d66c000 CR4: 0000000000350ef0 [ 88.156941] Call Trace: [ 88.157269] [ 88.157565] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 88.158199] ipv4_frags_init_net+0x269/0x440 [ 88.158759] ops_init+0xbb/0x6b0 [ 88.159232] setup_net+0x3d9/0x990 [ 88.159683] ? down_read_killable+0x1d7/0x4e0 [ 88.160301] ? __pfx_setup_net+0x10/0x10 [ 88.160805] ? copy_net_ns+0x17c/0x770 [ 88.161346] copy_net_ns+0x321/0x770 [ 88.161829] create_new_namespaces+0x3f6/0xb30 [ 88.162447] unshare_nsproxy_namespaces+0xc1/0x200 [ 88.163093] ksys_unshare+0x44d/0x8e0 [ 88.163578] ? __pfx_ksys_unshare+0x10/0x10 [ 88.164163] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 88.164907] __x64_sys_unshare+0x31/0x40 [ 88.165454] do_syscall_64+0x3f/0x90 [ 88.165988] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 88.166624] RIP: 0033:0x7fd2a7c670d7 [ 88.167132] 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 [ 88.169381] RSP: 002b:00007ffcbadcd208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 88.170359] RAX: ffffffffffffffda RBX: 00007ffcbadcd848 RCX: 00007fd2a7c670d7 [ 88.171266] RDX: 00007fd2a7cd141f RSI: 00007ffcbadcd1a0 RDI: 0000000040000000 [ 88.172198] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcbadccfb0 [ 88.173117] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd2a7d79bf0 [ 88.174034] R13: 00007ffcbadcd2e0 R14: 0000000000000000 R15: 00000000000000f8 [ 88.174959] [ 88.175267] irq event stamp: 7859 [ 88.175690] hardirqs last enabled at (7869): [] __up_console_sem+0x78/0x80 [ 88.176790] hardirqs last disabled at (7880): [] __up_console_sem+0x5d/0x80 [ 88.177850] softirqs last enabled at (7784): [] irq_exit_rcu+0x93/0xc0 [ 88.178870] softirqs last disabled at (7779): [] irq_exit_rcu+0x93/0xc0 [ 88.179915] ---[ end trace 0000000000000000 ]--- [ 88.185548] ------------[ cut here ]------------ [ 88.186176] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 88.187828] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 88.188952] Modules linked in: [ 88.189361] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 88.190546] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 88.191575] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 88.192279] 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 [ 88.194512] RSP: 0018:ffff88801f667c00 EFLAGS: 00010282 [ 88.195205] RAX: 0000000000000000 RBX: ffff88800d6d1a40 RCX: 0000000000000000 [ 88.196126] RDX: ffff88800fd93680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 88.197036] RBP: ffff88800d6d1a54 R08: 0000000000000001 R09: 0000000000000000 [ 88.197947] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 88.198820] R13: ffffffff84e223a0 R14: ffff88800d6d1a48 R15: ffffffff84da62e0 [ 88.199714] FS: 0000555555b78400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 88.200754] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.201500] CR2: 00007fdfcfe76ea0 CR3: 000000000d66c000 CR4: 0000000000350ef0 [ 88.202400] Call Trace: [ 88.202731] [ 88.203063] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 88.203671] ipv6_frags_init_net+0x206/0x3c0 [ 88.204272] ops_init+0xbb/0x6b0 [ 88.204713] setup_net+0x3d9/0x990 [ 88.205193] ? down_read_killable+0x1d7/0x4e0 [ 88.205773] ? __pfx_setup_net+0x10/0x10 [ 88.206305] ? copy_net_ns+0x17c/0x770 [ 88.206812] copy_net_ns+0x321/0x770 [ 88.207321] create_new_namespaces+0x3f6/0xb30 [ 88.207947] unshare_nsproxy_namespaces+0xc1/0x200 [ 88.208573] ksys_unshare+0x44d/0x8e0 [ 88.209091] ? __pfx_ksys_unshare+0x10/0x10 [ 88.209639] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 88.210379] __x64_sys_unshare+0x31/0x40 [ 88.210922] do_syscall_64+0x3f/0x90 [ 88.211398] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 88.212072] RIP: 0033:0x7fd2a7c670d7 [ 88.212537] 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 [ 88.214679] RSP: 002b:00007ffcbadcd208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 88.215643] RAX: ffffffffffffffda RBX: 00007ffcbadcd848 RCX: 00007fd2a7c670d7 [ 88.216555] RDX: 00007fd2a7cd141f RSI: 00007ffcbadcd1a0 RDI: 0000000040000000 [ 88.217443] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcbadccfb0 [ 88.218342] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd2a7d79bf0 [ 88.219228] R13: 00007ffcbadcd2e0 R14: 0000000000000000 R15: 00000000000000f8 [ 88.220152] [ 88.220459] irq event stamp: 9651 [ 88.220909] hardirqs last enabled at (9663): [] __up_console_sem+0x78/0x80 [ 88.221962] hardirqs last disabled at (9674): [] __up_console_sem+0x5d/0x80 [ 88.223033] softirqs last enabled at (8730): [] irq_exit_rcu+0x93/0xc0 [ 88.224067] softirqs last disabled at (8711): [] irq_exit_rcu+0x93/0xc0 [ 88.225086] ---[ end trace 0000000000000000 ]--- [ 88.226419] ------------[ cut here ]------------ [ 88.227027] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 88.228968] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 88.230029] Modules linked in: [ 88.230440] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 88.231617] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 88.232646] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 88.233342] 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 [ 88.235529] RSP: 0018:ffff88801f667bf0 EFLAGS: 00010286 [ 88.236238] RAX: 0000000000000000 RBX: ffff88800d6d1440 RCX: 0000000000000000 [ 88.237133] RDX: ffff88800fd93680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 88.238024] RBP: ffff88800d6d1454 R08: 0000000000000001 R09: 0000000000000000 [ 88.238910] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 88.239762] R13: ffffffff84e223a0 R14: ffff88800d6d1448 R15: ffffffff84daf020 [ 88.240687] FS: 0000555555b78400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 88.241682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.242418] CR2: 00007fdfcfe76ea0 CR3: 000000000d66c000 CR4: 0000000000350ef0 [ 88.243313] Call Trace: [ 88.243638] [ 88.243982] nf_ct_net_init+0x224/0x3d0 [ 88.244497] ? __pfx_nf_ct_net_init+0x10/0x10 [ 88.245097] ops_init+0xbb/0x6b0 [ 88.245540] setup_net+0x3d9/0x990 [ 88.246021] ? down_read_killable+0x1d7/0x4e0 [ 88.246586] ? __pfx_setup_net+0x10/0x10 [ 88.247122] ? copy_net_ns+0x17c/0x770 [ 88.247623] copy_net_ns+0x321/0x770 [ 88.248149] create_new_namespaces+0x3f6/0xb30 [ 88.248743] unshare_nsproxy_namespaces+0xc1/0x200 [ 88.249391] ksys_unshare+0x44d/0x8e0 [ 88.249910] ? __pfx_ksys_unshare+0x10/0x10 [ 88.250461] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 88.251202] __x64_sys_unshare+0x31/0x40 [ 88.251720] do_syscall_64+0x3f/0x90 [ 88.252229] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 88.252866] RIP: 0033:0x7fd2a7c670d7 [ 88.253359] 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 [ 88.255505] RSP: 002b:00007ffcbadcd208 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 88.256458] RAX: ffffffffffffffda RBX: 00007ffcbadcd848 RCX: 00007fd2a7c670d7 [ 88.257346] RDX: 00007fd2a7cd141f RSI: 00007ffcbadcd1a0 RDI: 0000000040000000 [ 88.258232] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcbadccfb0 [ 88.259115] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd2a7d79bf0 [ 88.260031] R13: 00007ffcbadcd2e0 R14: 0000000000000000 R15: 00000000000000f8 [ 88.260939] [ 88.261243] irq event stamp: 10433 [ 88.261679] hardirqs last enabled at (10443): [] __up_console_sem+0x78/0x80 [ 88.262745] hardirqs last disabled at (10454): [] __up_console_sem+0x5d/0x80 [ 88.263815] softirqs last enabled at (10036): [] irq_exit_rcu+0x93/0xc0 [ 88.264855] softirqs last disabled at (10027): [] irq_exit_rcu+0x93/0xc0 [ 88.265907] ---[ end trace 0000000000000000 ]--- executing program [ 89.797950] Bluetooth: hci0: command 0x0409 tx timeout [ 91.845003] Bluetooth: hci0: command 0x041b tx timeout executing program [ 93.892961] Bluetooth: hci0: command 0x040f tx timeout executing program [ 95.940952] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 22:21:57 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f6675f0 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 0000555555b78400 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=00007fdfcfe76ea0 CR3=000000000d66c000 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=000000000006cea5 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=00007fdfcfebd000 CR3=000000000c6ac000 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=2034333a32323a32322036312079614d XMM01=5d3939323034312e38382020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20204c20202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d39 XMM07=6e72656b2072656c6c616b7a79732034 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000