syzkaller login: [ 40.628701] sshd (224) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:5191' (ECDSA) to the list of known hosts. 2023/05/17 08:12:59 fuzzer started 2023/05/17 08:13:00 dialing manager at localhost:35573 2023/05/17 08:13:00 checking machine... 2023/05/17 08:13:00 checking revisions... [ 41.577573] kmemleak: Automatic memory scanning thread ended 2023/05/17 08:13:00 testing simple program... [ 41.622827] cgroup: Unknown subsys name 'net' [ 41.666695] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.682380] audit: type=1400 audit(1684311192.264:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 54.764448] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.765940] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.768036] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.770835] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.773478] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.774569] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.164663] ------------[ cut here ]------------ [ 55.165351] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.167292] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.168324] Modules linked in: [ 55.168746] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.173680] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.174864] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.175618] 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 [ 55.177763] RSP: 0018:ffff888015fa7c00 EFLAGS: 00010282 [ 55.178451] RAX: 0000000000000000 RBX: ffff88800e045440 RCX: 0000000000000000 [ 55.179344] RDX: ffff888016fc0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.180211] RBP: ffff88800e045454 R08: 0000000000000001 R09: 0000000000000000 [ 55.181059] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.181932] R13: ffffffff84e223a0 R14: ffff88800e045448 R15: ffffffff84d73340 [ 55.182799] FS: 000055555581b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.183762] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.184481] CR2: 00007f554905c6f4 CR3: 000000000dbee000 CR4: 0000000000350ef0 [ 55.185384] Call Trace: [ 55.185706] [ 55.186000] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.186623] ipv4_frags_init_net+0x269/0x440 [ 55.187193] ops_init+0xbb/0x6b0 [ 55.187627] setup_net+0x3d9/0x990 [ 55.188068] ? down_read_killable+0x1d7/0x4e0 [ 55.188654] ? __pfx_setup_net+0x10/0x10 [ 55.189182] ? copy_net_ns+0x17c/0x770 [ 55.189677] copy_net_ns+0x321/0x770 [ 55.190177] create_new_namespaces+0x3f6/0xb30 [ 55.190751] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.191382] ksys_unshare+0x44d/0x8e0 [ 55.191864] ? __pfx_ksys_unshare+0x10/0x10 [ 55.192423] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.193159] __x64_sys_unshare+0x31/0x40 [ 55.193672] do_syscall_64+0x3f/0x90 [ 55.194163] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.194796] RIP: 0033:0x7fd776f5e0d7 [ 55.195276] 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 [ 55.197433] RSP: 002b:00007fff466a2e58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.198365] RAX: ffffffffffffffda RBX: 00007fff466a3498 RCX: 00007fd776f5e0d7 [ 55.199235] RDX: 00007fd776fc841f RSI: 00007fff466a2df0 RDI: 0000000040000000 [ 55.200074] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff466a2c00 [ 55.200956] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd777070bf0 [ 55.201837] R13: 00007fff466a2f30 R14: 0000000000000000 R15: 00000000000000f8 [ 55.202719] [ 55.203013] irq event stamp: 8971 [ 55.203453] hardirqs last enabled at (8983): [] __up_console_sem+0x78/0x80 [ 55.204486] hardirqs last disabled at (8994): [] __up_console_sem+0x5d/0x80 [ 55.205562] softirqs last enabled at (8532): [] irq_exit_rcu+0x93/0xc0 [ 55.206566] softirqs last disabled at (8493): [] irq_exit_rcu+0x93/0xc0 [ 55.207574] ---[ end trace 0000000000000000 ]--- [ 55.212455] ------------[ cut here ]------------ [ 55.213060] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.214914] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.215968] Modules linked in: [ 55.216394] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.217540] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.218526] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.219180] 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 [ 55.221333] RSP: 0018:ffff888015fa7c00 EFLAGS: 00010282 [ 55.221970] RAX: 0000000000000000 RBX: ffff88800cfe4c40 RCX: 0000000000000000 [ 55.222858] RDX: ffff888016fc0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.223722] RBP: ffff88800cfe4c54 R08: 0000000000000001 R09: 0000000000000000 [ 55.224591] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.225464] R13: ffffffff84e223a0 R14: ffff88800cfe4c48 R15: ffffffff84da62e0 [ 55.226343] FS: 000055555581b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.227315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.228008] CR2: 00007f554905c6f4 CR3: 000000000dbee000 CR4: 0000000000350ef0 [ 55.228885] Call Trace: [ 55.229246] [ 55.229539] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.230166] ipv6_frags_init_net+0x206/0x3c0 [ 55.230715] ops_init+0xbb/0x6b0 [ 55.231173] setup_net+0x3d9/0x990 [ 55.231622] ? down_read_killable+0x1d7/0x4e0 [ 55.232202] ? __pfx_setup_net+0x10/0x10 [ 55.232697] ? copy_net_ns+0x17c/0x770 [ 55.233244] copy_net_ns+0x321/0x770 [ 55.233725] create_new_namespaces+0x3f6/0xb30 [ 55.234327] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.234937] ksys_unshare+0x44d/0x8e0 [ 55.235445] ? __pfx_ksys_unshare+0x10/0x10 [ 55.235979] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.236703] __x64_sys_unshare+0x31/0x40 [ 55.237253] do_syscall_64+0x3f/0x90 [ 55.237716] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.238369] RIP: 0033:0x7fd776f5e0d7 [ 55.238821] 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 [ 55.240947] RSP: 002b:00007fff466a2e58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.241886] RAX: ffffffffffffffda RBX: 00007fff466a3498 RCX: 00007fd776f5e0d7 [ 55.242759] RDX: 00007fd776fc841f RSI: 00007fff466a2df0 RDI: 0000000040000000 [ 55.243632] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff466a2c00 [ 55.244500] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd777070bf0 [ 55.245398] R13: 00007fff466a2f30 R14: 0000000000000000 R15: 00000000000000f8 [ 55.246307] [ 55.246601] irq event stamp: 10691 [ 55.247110] hardirqs last enabled at (10701): [] __up_console_sem+0x78/0x80 [ 55.248513] hardirqs last disabled at (10714): [] __up_console_sem+0x5d/0x80 [ 55.249589] softirqs last enabled at (10188): [] irq_exit_rcu+0x93/0xc0 [ 55.250621] softirqs last disabled at (10131): [] irq_exit_rcu+0x93/0xc0 [ 55.251650] ---[ end trace 0000000000000000 ]--- [ 55.252948] ------------[ cut here ]------------ [ 55.253584] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.255555] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.256593] Modules linked in: [ 55.256994] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.258165] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.259539] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.260223] 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 [ 55.262378] RSP: 0018:ffff888015fa7bf0 EFLAGS: 00010286 [ 55.263031] RAX: 0000000000000000 RBX: ffff88800cfe4640 RCX: 0000000000000000 [ 55.263908] RDX: ffff888016fc0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.264769] RBP: ffff88800cfe4654 R08: 0000000000000001 R09: 0000000000000000 [ 55.265669] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.266543] R13: ffffffff84e223a0 R14: ffff88800cfe4648 R15: ffffffff84daf020 [ 55.267422] FS: 000055555581b400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.268394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.269098] CR2: 00007f554905c6f4 CR3: 000000000dbee000 CR4: 0000000000350ef0 [ 55.269972] Call Trace: [ 55.270321] [ 55.270615] nf_ct_net_init+0x224/0x3d0 [ 55.271154] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.271713] ops_init+0xbb/0x6b0 [ 55.272180] setup_net+0x3d9/0x990 [ 55.272626] ? down_read_killable+0x1d7/0x4e0 [ 55.273232] ? __pfx_setup_net+0x10/0x10 [ 55.273728] ? copy_net_ns+0x17c/0x770 [ 55.274248] copy_net_ns+0x321/0x770 [ 55.274718] create_new_namespaces+0x3f6/0xb30 [ 55.275320] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.275934] ksys_unshare+0x44d/0x8e0 [ 55.276442] ? __pfx_ksys_unshare+0x10/0x10 [ 55.276981] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.277723] __x64_sys_unshare+0x31/0x40 [ 55.278259] do_syscall_64+0x3f/0x90 [ 55.278730] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.279385] RIP: 0033:0x7fd776f5e0d7 [ 55.279841] 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 [ 55.282009] RSP: 002b:00007fff466a2e58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.282947] RAX: ffffffffffffffda RBX: 00007fff466a3498 RCX: 00007fd776f5e0d7 [ 55.283819] RDX: 00007fd776fc841f RSI: 00007fff466a2df0 RDI: 0000000040000000 [ 55.284689] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff466a2c00 [ 55.285565] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd777070bf0 [ 55.286442] R13: 00007fff466a2f30 R14: 0000000000000000 R15: 00000000000000f8 [ 55.287338] [ 55.287633] irq event stamp: 11481 [ 55.288065] hardirqs last enabled at (11491): [] __up_console_sem+0x78/0x80 [ 55.289144] hardirqs last disabled at (11504): [] __up_console_sem+0x5d/0x80 [ 55.290196] softirqs last enabled at (11222): [] irq_exit_rcu+0x93/0xc0 [ 55.291234] softirqs last disabled at (11217): [] irq_exit_rcu+0x93/0xc0 [ 55.292263] ---[ end trace 0000000000000000 ]--- executing program [ 56.850882] Bluetooth: hci0: command 0x0409 tx timeout [ 58.898214] Bluetooth: hci0: command 0x041b tx timeout executing program [ 60.946191] Bluetooth: hci0: command 0x040f tx timeout executing program [ 62.994189] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 08:13:07 Registers: info registers vcpu 0 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888015fa75f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002d R11=0000000000000001 R12=000000000000002d 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 000055555581b400 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=00007f554905c6f4 CR3=000000000dbee000 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=0000000000023ae1 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=00007f695931b338 CR3=000000000d582000 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=00001fa0 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=0000000000000000bfe62e42fefa39ef XMM03=0000ff00000000000000000000000000 XMM04=732f6c61636f6c2f7273752f3d485441 XMM05=622f6c61636f6c2f7273752f3a6e6962 XMM06=73752f3a6e6962732f7273752f3a6e69 XMM07=6e69622f3a6e6962732f3a6e69622f72 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000