syzkaller login: [ 35.795312] sshd (227) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:16620' (ECDSA) to the list of known hosts. 2023/05/16 18:54:13 fuzzer started 2023/05/16 18:54:14 dialing manager at localhost:35573 2023/05/16 18:54:14 checking machine... 2023/05/16 18:54:14 checking revisions... [ 37.038769] kmemleak: Automatic memory scanning thread ended 2023/05/16 18:54:14 testing simple program... [ 37.102223] cgroup: Unknown subsys name 'net' [ 37.182543] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 48.739941] audit: type=1400 audit(1684263265.927:6): avc: denied { execmem } for pid=260 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 49.849188] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.850367] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.852142] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.855055] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.856411] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.857940] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.286997] ------------[ cut here ]------------ [ 50.287824] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.290034] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.291443] Modules linked in: [ 50.291978] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.296898] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.298130] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.298969] 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 [ 50.301308] RSP: 0018:ffff88801a1cfc00 EFLAGS: 00010282 [ 50.302034] RAX: 0000000000000000 RBX: ffff88800e97e040 RCX: 0000000000000000 [ 50.302961] RDX: ffff888015848000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.303879] RBP: ffff88800e97e054 R08: 0000000000000001 R09: 0000000000000000 [ 50.304851] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.305790] R13: ffffffff84e223a0 R14: ffff88800e97e048 R15: ffffffff84d73340 [ 50.306743] FS: 0000555555b23400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.307794] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.308540] CR2: 00007f01636396f4 CR3: 000000001f4fe000 CR4: 0000000000350ee0 [ 50.309474] Call Trace: [ 50.309850] [ 50.310162] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.310829] ipv4_frags_init_net+0x269/0x440 [ 50.311411] ops_init+0xbb/0x6b0 [ 50.311914] setup_net+0x3d9/0x990 [ 50.312409] ? down_read_killable+0x1d7/0x4e0 [ 50.313036] ? __pfx_setup_net+0x10/0x10 [ 50.313606] ? copy_net_ns+0x17c/0x770 [ 50.314136] copy_net_ns+0x321/0x770 [ 50.314668] create_new_namespaces+0x3f6/0xb30 [ 50.315281] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.315956] ksys_unshare+0x44d/0x8e0 [ 50.316501] ? __pfx_ksys_unshare+0x10/0x10 [ 50.317111] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.317883] __x64_sys_unshare+0x31/0x40 [ 50.318419] do_syscall_64+0x3f/0x90 [ 50.318922] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.319602] RIP: 0033:0x7f882985d0d7 [ 50.320078] 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 [ 50.322235] RSP: 002b:00007ffd88659888 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.323193] RAX: ffffffffffffffda RBX: 00007ffd88659ec8 RCX: 00007f882985d0d7 [ 50.324096] RDX: 00007f88298c741f RSI: 00007ffd88659820 RDI: 0000000040000000 [ 50.324977] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd88659630 [ 50.325867] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f882996fbf0 [ 50.326735] R13: 00007ffd88659960 R14: 0000000000000000 R15: 00000000000000f8 [ 50.327653] [ 50.327958] irq event stamp: 8573 [ 50.328406] hardirqs last enabled at (8583): [] __up_console_sem+0x78/0x80 [ 50.329460] hardirqs last disabled at (8594): [] __up_console_sem+0x5d/0x80 [ 50.330519] softirqs last enabled at (8144): [] irq_exit_rcu+0x93/0xc0 [ 50.331551] softirqs last disabled at (8127): [] irq_exit_rcu+0x93/0xc0 [ 50.332627] ---[ end trace 0000000000000000 ]--- [ 50.338923] ------------[ cut here ]------------ [ 50.339519] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.341236] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.342576] Modules linked in: [ 50.343083] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.344528] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.345810] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.346633] 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 [ 50.349367] RSP: 0018:ffff88801a1cfc00 EFLAGS: 00010282 [ 50.350217] RAX: 0000000000000000 RBX: ffff88800e333a40 RCX: 0000000000000000 [ 50.351326] RDX: ffff888015848000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.352466] RBP: ffff88800e333a54 R08: 0000000000000001 R09: 0000000000000000 [ 50.353584] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.354672] R13: ffffffff84e223a0 R14: ffff88800e333a48 R15: ffffffff84da62e0 [ 50.355775] FS: 0000555555b23400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.357012] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.357932] CR2: 00007f01636396f4 CR3: 000000001f4fe000 CR4: 0000000000350ee0 [ 50.358835] Call Trace: [ 50.359166] [ 50.359469] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.360147] ipv6_frags_init_net+0x206/0x3c0 [ 50.360745] ops_init+0xbb/0x6b0 [ 50.361195] setup_net+0x3d9/0x990 [ 50.361685] ? down_read_killable+0x1d7/0x4e0 [ 50.362257] ? __pfx_setup_net+0x10/0x10 [ 50.362804] ? copy_net_ns+0x17c/0x770 [ 50.363313] copy_net_ns+0x321/0x770 [ 50.363838] create_new_namespaces+0x3f6/0xb30 [ 50.364451] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.365105] ksys_unshare+0x44d/0x8e0 [ 50.365633] ? __pfx_ksys_unshare+0x10/0x10 [ 50.366190] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.366935] __x64_sys_unshare+0x31/0x40 [ 50.367456] do_syscall_64+0x3f/0x90 [ 50.367967] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.368676] RIP: 0033:0x7f882985d0d7 [ 50.369139] 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 [ 50.371315] RSP: 002b:00007ffd88659888 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.372303] RAX: ffffffffffffffda RBX: 00007ffd88659ec8 RCX: 00007f882985d0d7 [ 50.373201] RDX: 00007f88298c741f RSI: 00007ffd88659820 RDI: 0000000040000000 [ 50.374090] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd88659630 [ 50.374999] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f882996fbf0 [ 50.375898] R13: 00007ffd88659960 R14: 0000000000000000 R15: 00000000000000f8 [ 50.376859] [ 50.377168] irq event stamp: 10749 [ 50.377642] hardirqs last enabled at (10761): [] __up_console_sem+0x78/0x80 [ 50.378712] hardirqs last disabled at (10772): [] __up_console_sem+0x5d/0x80 [ 50.379799] softirqs last enabled at (10294): [] irq_exit_rcu+0x93/0xc0 [ 50.380857] softirqs last disabled at (10289): [] irq_exit_rcu+0x93/0xc0 [ 50.381892] ---[ end trace 0000000000000000 ]--- [ 50.383240] ------------[ cut here ]------------ [ 50.383872] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.385840] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.386895] Modules linked in: [ 50.387323] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.388517] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.389526] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.390199] 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 [ 50.392382] RSP: 0018:ffff88801a1cfbf0 EFLAGS: 00010286 [ 50.393066] RAX: 0000000000000000 RBX: ffff88800e332040 RCX: 0000000000000000 [ 50.393949] RDX: ffff888015848000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.394842] RBP: ffff88800e332054 R08: 0000000000000001 R09: 0000000000000000 [ 50.395739] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.396645] R13: ffffffff84e223a0 R14: ffff88800e332048 R15: ffffffff84daf020 [ 50.397510] FS: 0000555555b23400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.398513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.399256] CR2: 00007f01636396f4 CR3: 000000001f4fe000 CR4: 0000000000350ee0 [ 50.400155] Call Trace: [ 50.400491] [ 50.400830] nf_ct_net_init+0x224/0x3d0 [ 50.401355] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.401959] ops_init+0xbb/0x6b0 [ 50.402410] setup_net+0x3d9/0x990 [ 50.402901] ? down_read_killable+0x1d7/0x4e0 [ 50.403474] ? __pfx_setup_net+0x10/0x10 [ 50.404019] ? copy_net_ns+0x17c/0x770 [ 50.404584] copy_net_ns+0x321/0x770 [ 50.405075] create_new_namespaces+0x3f6/0xb30 [ 50.405691] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.406312] ksys_unshare+0x44d/0x8e0 [ 50.406837] ? __pfx_ksys_unshare+0x10/0x10 [ 50.407391] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.408165] __x64_sys_unshare+0x31/0x40 [ 50.408732] do_syscall_64+0x3f/0x90 [ 50.409218] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.409900] RIP: 0033:0x7f882985d0d7 [ 50.410380] 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 [ 50.412551] RSP: 002b:00007ffd88659888 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.413492] RAX: ffffffffffffffda RBX: 00007ffd88659ec8 RCX: 00007f882985d0d7 [ 50.414391] RDX: 00007f88298c741f RSI: 00007ffd88659820 RDI: 0000000040000000 [ 50.415288] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd88659630 [ 50.416212] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f882996fbf0 [ 50.417113] R13: 00007ffd88659960 R14: 0000000000000000 R15: 00000000000000f8 [ 50.418024] [ 50.418335] irq event stamp: 11499 [ 50.418805] hardirqs last enabled at (11511): [] __up_console_sem+0x78/0x80 [ 50.419878] hardirqs last disabled at (11522): [] __up_console_sem+0x5d/0x80 [ 50.420970] softirqs last enabled at (11362): [] irq_exit_rcu+0x93/0xc0 [ 50.422025] softirqs last disabled at (11357): [] irq_exit_rcu+0x93/0xc0 [ 50.423069] ---[ end trace 0000000000000000 ]--- [ 51.875194] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 53.923230] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.970648] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.018607] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 18:54:26 Registers: info registers vcpu 0 RAX=ffffffff81fd3370 RBX=ffffffff857f9148 RCX=0000000000000000 RDX=0000000000000002 RSI=ffff888017f47690 RDI=ffff888017f476a0 RBP=ffff888017f476a0 RSP=ffff888017f475f0 R8 =0000000000000007 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000000 R12=ffff888017f47690 R13=0000000000000002 R14=0000000000000000 R15=ffff888017f476a0 RIP=ffffffff844e9f0a RFL=00000246 [---Z-P-] 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 00007f54a3fff700 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=00007f9bd56d0608 CR3=0000000014522000 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=2037323a34353a38312036312079614d XMM01=5d3837393139322e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732037 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000043 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a1cf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000043 R11=0000000000000001 R12=0000000000000043 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 0000555555b23400 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=00007f01636396f4 CR3=000000001f4fe000 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=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