syzkaller login: [ 51.626919] sshd (216) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:50732' (ECDSA) to the list of known hosts. 2023/05/17 04:30:46 fuzzer started 2023/05/17 04:30:47 dialing manager at localhost:35573 2023/05/17 04:30:47 checking machine... 2023/05/17 04:30:47 checking revisions... [ 53.662206] kmemleak: Automatic memory scanning thread ended 2023/05/17 04:30:47 testing simple program... [ 53.726315] cgroup: Unknown subsys name 'net' [ 53.811479] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 66.562985] audit: type=1400 audit(1684297860.108:6): 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 [ 67.680321] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 67.682904] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 67.684785] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 67.687886] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 67.689753] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 67.691285] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 68.108953] ------------[ cut here ]------------ [ 68.109603] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 68.111467] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.112550] Modules linked in: [ 68.112955] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 68.117371] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.118430] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.119122] 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 [ 68.121313] RSP: 0018:ffff888019a07c00 EFLAGS: 00010282 [ 68.121967] RAX: 0000000000000000 RBX: ffff88800dc07c40 RCX: 0000000000000000 [ 68.122856] RDX: ffff88800fd39b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 68.123743] RBP: ffff88800dc07c54 R08: 0000000000000001 R09: 0000000000000000 [ 68.124651] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.125537] R13: ffffffff84e223a0 R14: ffff88800dc07c48 R15: ffffffff84d73340 [ 68.126463] FS: 00005555565a3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 68.127478] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.128228] CR2: 00007f91ca29e6f4 CR3: 000000000d626000 CR4: 0000000000350ef0 [ 68.129133] Call Trace: [ 68.129459] [ 68.129760] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 68.130426] ipv4_frags_init_net+0x269/0x440 [ 68.130988] ops_init+0xbb/0x6b0 [ 68.131462] setup_net+0x3d9/0x990 [ 68.131916] ? down_read_killable+0x1d7/0x4e0 [ 68.132518] ? __pfx_setup_net+0x10/0x10 [ 68.133029] ? copy_net_ns+0x17c/0x770 [ 68.133566] copy_net_ns+0x321/0x770 [ 68.134081] create_new_namespaces+0x3f6/0xb30 [ 68.134675] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.135329] ksys_unshare+0x44d/0x8e0 [ 68.135820] ? __pfx_ksys_unshare+0x10/0x10 [ 68.136398] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.137165] __x64_sys_unshare+0x31/0x40 [ 68.137691] do_syscall_64+0x3f/0x90 [ 68.138223] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.138864] RIP: 0033:0x7f0f473e60d7 [ 68.139362] 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 [ 68.141576] RSP: 002b:00007ffc257d0358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 68.142561] RAX: ffffffffffffffda RBX: 00007ffc257d0998 RCX: 00007f0f473e60d7 [ 68.143466] RDX: 00007f0f4745041f RSI: 00007ffc257d02f0 RDI: 0000000040000000 [ 68.144368] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc257d0100 [ 68.145241] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0f474f8bf0 [ 68.146172] R13: 00007ffc257d0430 R14: 0000000000000000 R15: 00000000000000f8 [ 68.147040] [ 68.147367] irq event stamp: 8139 [ 68.147791] hardirqs last enabled at (8149): [] __up_console_sem+0x78/0x80 [ 68.148844] hardirqs last disabled at (8160): [] __up_console_sem+0x5d/0x80 [ 68.149944] softirqs last enabled at (7990): [] irq_exit_rcu+0x93/0xc0 [ 68.151035] softirqs last disabled at (7985): [] irq_exit_rcu+0x93/0xc0 [ 68.152102] ---[ end trace 0000000000000000 ]--- [ 68.158644] ------------[ cut here ]------------ [ 68.159573] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 68.161566] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.162917] Modules linked in: [ 68.163455] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 68.164879] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.166137] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.166931] 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 [ 68.169502] RSP: 0018:ffff888019a07c00 EFLAGS: 00010282 [ 68.170314] RAX: 0000000000000000 RBX: ffff888013615c40 RCX: 0000000000000000 [ 68.171249] RDX: ffff88800fd39b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 68.172195] RBP: ffff888013615c54 R08: 0000000000000001 R09: 0000000000000000 [ 68.173136] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.174046] R13: ffffffff84e223a0 R14: ffff888013615c48 R15: ffffffff84da62e0 [ 68.175034] FS: 00005555565a3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 68.176097] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.176799] CR2: 00007f91ca29e6f4 CR3: 000000000d626000 CR4: 0000000000350ef0 [ 68.177717] Call Trace: [ 68.178089] [ 68.178395] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 68.179035] ipv6_frags_init_net+0x206/0x3c0 [ 68.179658] ops_init+0xbb/0x6b0 [ 68.180142] setup_net+0x3d9/0x990 [ 68.180626] ? down_read_killable+0x1d7/0x4e0 [ 68.181232] ? __pfx_setup_net+0x10/0x10 [ 68.181776] ? copy_net_ns+0x17c/0x770 [ 68.182359] copy_net_ns+0x321/0x770 [ 68.182870] create_new_namespaces+0x3f6/0xb30 [ 68.183513] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.184206] ksys_unshare+0x44d/0x8e0 [ 68.184723] ? __pfx_ksys_unshare+0x10/0x10 [ 68.185341] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.186141] __x64_sys_unshare+0x31/0x40 [ 68.186690] do_syscall_64+0x3f/0x90 [ 68.187219] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.187901] RIP: 0033:0x7f0f473e60d7 [ 68.188425] 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 [ 68.190766] RSP: 002b:00007ffc257d0358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 68.191767] RAX: ffffffffffffffda RBX: 00007ffc257d0998 RCX: 00007f0f473e60d7 [ 68.192706] RDX: 00007f0f4745041f RSI: 00007ffc257d02f0 RDI: 0000000040000000 [ 68.193674] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc257d0100 [ 68.194634] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0f474f8bf0 [ 68.195565] R13: 00007ffc257d0430 R14: 0000000000000000 R15: 00000000000000f8 [ 68.196523] [ 68.196829] irq event stamp: 10207 [ 68.197311] hardirqs last enabled at (10219): [] __up_console_sem+0x78/0x80 [ 68.198462] hardirqs last disabled at (10230): [] __up_console_sem+0x5d/0x80 [ 68.199611] softirqs last enabled at (9688): [] irq_exit_rcu+0x93/0xc0 [ 68.200714] softirqs last disabled at (10251): [] irq_exit_rcu+0x93/0xc0 [ 68.201825] ---[ end trace 0000000000000000 ]--- [ 68.203265] ------------[ cut here ]------------ [ 68.203878] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 68.205835] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 68.206975] Modules linked in: [ 68.207434] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 68.208628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 68.209654] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 68.210339] 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 [ 68.212511] RSP: 0018:ffff888019a07bf0 EFLAGS: 00010286 [ 68.213192] RAX: 0000000000000000 RBX: ffff888013615640 RCX: 0000000000000000 [ 68.214090] RDX: ffff88800fd39b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 68.214958] RBP: ffff888013615654 R08: 0000000000000001 R09: 0000000000000000 [ 68.215869] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 68.216764] R13: ffffffff84e223a0 R14: ffff888013615648 R15: ffffffff84daf020 [ 68.217650] FS: 00005555565a3400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 68.218660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.219419] CR2: 00007f91ca29e6f4 CR3: 000000000d626000 CR4: 0000000000350ef0 [ 68.220322] Call Trace: [ 68.220661] [ 68.220964] nf_ct_net_init+0x224/0x3d0 [ 68.221517] ? __pfx_nf_ct_net_init+0x10/0x10 [ 68.222129] ops_init+0xbb/0x6b0 [ 68.222594] setup_net+0x3d9/0x990 [ 68.223045] ? down_read_killable+0x1d7/0x4e0 [ 68.223649] ? __pfx_setup_net+0x10/0x10 [ 68.224192] ? copy_net_ns+0x17c/0x770 [ 68.224711] copy_net_ns+0x321/0x770 [ 68.225223] create_new_namespaces+0x3f6/0xb30 [ 68.225830] unshare_nsproxy_namespaces+0xc1/0x200 [ 68.226511] ksys_unshare+0x44d/0x8e0 [ 68.227032] ? __pfx_ksys_unshare+0x10/0x10 [ 68.227641] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 68.228424] __x64_sys_unshare+0x31/0x40 [ 68.228979] do_syscall_64+0x3f/0x90 [ 68.229509] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 68.230228] RIP: 0033:0x7f0f473e60d7 [ 68.230720] 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 [ 68.233017] RSP: 002b:00007ffc257d0358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 68.234017] RAX: ffffffffffffffda RBX: 00007ffc257d0998 RCX: 00007f0f473e60d7 [ 68.234961] RDX: 00007f0f4745041f RSI: 00007ffc257d02f0 RDI: 0000000040000000 [ 68.235857] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc257d0100 [ 68.236781] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0f474f8bf0 [ 68.237709] R13: 00007ffc257d0430 R14: 0000000000000000 R15: 00000000000000f8 [ 68.238686] [ 68.238991] irq event stamp: 11035 [ 68.239483] hardirqs last enabled at (11047): [] __up_console_sem+0x78/0x80 [ 68.240576] hardirqs last disabled at (11058): [] __up_console_sem+0x5d/0x80 [ 68.241649] softirqs last enabled at (10530): [] irq_exit_rcu+0x93/0xc0 [ 68.242693] softirqs last disabled at (10519): [] irq_exit_rcu+0x93/0xc0 [ 68.243769] ---[ end trace 0000000000000000 ]--- executing program [ 69.706870] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 71.755355] Bluetooth: hci0: command 0x041b tx timeout [ 73.802230] Bluetooth: hci0: command 0x040f tx timeout executing program [ 75.850908] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:30:52 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888019a075f0 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 00005555565a3400 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=00007f91ca29e6f4 CR3=000000000d626000 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=000000000003bd95 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=00007f53bc03e370 CR3=000000000e06c000 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=b626281d09f4e2a1f049e5b03da051ac XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=0d23905193bc8a69000000000013c8d0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=bdd32f2b7678a02a00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000