syzkaller login: [ 43.219832] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:40477' (ECDSA) to the list of known hosts. 2023/05/16 19:13:36 fuzzer started 2023/05/16 19:13:36 dialing manager at localhost:35573 2023/05/16 19:13:36 checking machine... 2023/05/16 19:13:36 checking revisions... [ 44.393716] kmemleak: Automatic memory scanning thread ended 2023/05/16 19:13:36 testing simple program... [ 44.432962] cgroup: Unknown subsys name 'net' [ 44.512442] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.643253] audit: type=1400 audit(1684264429.885:6): 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 [ 58.789165] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.791352] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.794255] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.796986] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.799311] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.800563] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.189424] ------------[ cut here ]------------ [ 59.190195] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.192195] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.193473] Modules linked in: [ 59.193944] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.197216] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.199582] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.200252] 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 [ 59.202457] RSP: 0018:ffff88800fd77c00 EFLAGS: 00010282 [ 59.203152] RAX: 0000000000000000 RBX: ffff88800da43840 RCX: 0000000000000000 [ 59.204030] RDX: ffff88800fe4b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.204903] RBP: ffff88800da43854 R08: 0000000000000001 R09: 0000000000000000 [ 59.205774] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.206622] R13: ffffffff84e223a0 R14: ffff88800da43848 R15: ffffffff84d73340 [ 59.207455] FS: 00005555569fc400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.208393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.209094] CR2: 00007fe73bcb66f4 CR3: 000000000d7b4000 CR4: 0000000000350ef0 [ 59.209944] Call Trace: [ 59.210255] [ 59.210537] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.211146] ipv4_frags_init_net+0x269/0x440 [ 59.211672] ops_init+0xbb/0x6b0 [ 59.212119] setup_net+0x3d9/0x990 [ 59.212546] ? down_read_killable+0x1d7/0x4e0 [ 59.213105] ? __pfx_setup_net+0x10/0x10 [ 59.213603] ? copy_net_ns+0x17c/0x770 [ 59.214109] copy_net_ns+0x321/0x770 [ 59.214561] create_new_namespaces+0x3f6/0xb30 [ 59.215145] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.215721] ksys_unshare+0x44d/0x8e0 [ 59.216208] ? __pfx_ksys_unshare+0x10/0x10 [ 59.216722] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.217436] __x64_sys_unshare+0x31/0x40 [ 59.217970] do_syscall_64+0x3f/0x90 [ 59.218429] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.219067] RIP: 0033:0x7f98904a00d7 [ 59.219513] 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 [ 59.221567] RSP: 002b:00007ffe0a418188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.222459] RAX: ffffffffffffffda RBX: 00007ffe0a4187c8 RCX: 00007f98904a00d7 [ 59.223303] RDX: 00007f989050a41f RSI: 00007ffe0a418120 RDI: 0000000040000000 [ 59.224150] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0a417f30 [ 59.224997] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f98905b2bf0 [ 59.225818] R13: 00007ffe0a418260 R14: 0000000000000000 R15: 00000000000000f8 [ 59.226684] [ 59.227013] irq event stamp: 8631 [ 59.227419] hardirqs last enabled at (8641): [] __up_console_sem+0x78/0x80 [ 59.228417] hardirqs last disabled at (8652): [] __up_console_sem+0x5d/0x80 [ 59.229431] softirqs last enabled at (8538): [] irq_exit_rcu+0x93/0xc0 [ 59.230414] softirqs last disabled at (8533): [] irq_exit_rcu+0x93/0xc0 [ 59.231393] ---[ end trace 0000000000000000 ]--- [ 59.236479] ------------[ cut here ]------------ [ 59.237083] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.238718] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.240005] Modules linked in: [ 59.240505] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.241936] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.243199] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.244018] 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 [ 59.246688] RSP: 0018:ffff88800fd77c00 EFLAGS: 00010282 [ 59.247518] RAX: 0000000000000000 RBX: ffff88800dba9640 RCX: 0000000000000000 [ 59.248611] RDX: ffff88800fe4b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.249729] RBP: ffff88800dba9654 R08: 0000000000000001 R09: 0000000000000000 [ 59.250829] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.251940] R13: ffffffff84e223a0 R14: ffff88800dba9648 R15: ffffffff84da62e0 [ 59.253049] FS: 00005555569fc400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.254302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.255229] CR2: 00007fe73bcb66f4 CR3: 000000000d7b4000 CR4: 0000000000350ef0 [ 59.256124] Call Trace: [ 59.256456] [ 59.256756] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.257415] ipv6_frags_init_net+0x206/0x3c0 [ 59.258014] ops_init+0xbb/0x6b0 [ 59.258462] setup_net+0x3d9/0x990 [ 59.258952] ? down_read_killable+0x1d7/0x4e0 [ 59.259517] ? __pfx_setup_net+0x10/0x10 [ 59.260061] ? copy_net_ns+0x17c/0x770 [ 59.260575] copy_net_ns+0x321/0x770 [ 59.261084] create_new_namespaces+0x3f6/0xb30 [ 59.261695] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.262345] ksys_unshare+0x44d/0x8e0 [ 59.262842] ? __pfx_ksys_unshare+0x10/0x10 [ 59.263420] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.264177] __x64_sys_unshare+0x31/0x40 [ 59.264692] do_syscall_64+0x3f/0x90 [ 59.265212] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.265907] RIP: 0033:0x7f98904a00d7 [ 59.266462] 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 [ 59.268955] RSP: 002b:00007ffe0a418188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.270083] RAX: ffffffffffffffda RBX: 00007ffe0a4187c8 RCX: 00007f98904a00d7 [ 59.271135] RDX: 00007f989050a41f RSI: 00007ffe0a418120 RDI: 0000000040000000 [ 59.272184] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0a417f30 [ 59.273217] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f98905b2bf0 [ 59.274279] R13: 00007ffe0a418260 R14: 0000000000000000 R15: 00000000000000f8 [ 59.275361] [ 59.275718] irq event stamp: 10205 [ 59.276279] hardirqs last enabled at (10217): [] __up_console_sem+0x78/0x80 [ 59.277563] hardirqs last disabled at (10228): [] __up_console_sem+0x5d/0x80 [ 59.278838] softirqs last enabled at (9576): [] irq_exit_rcu+0x93/0xc0 [ 59.280070] softirqs last disabled at (9531): [] irq_exit_rcu+0x93/0xc0 [ 59.281297] ---[ end trace 0000000000000000 ]--- [ 59.283154] ------------[ cut here ]------------ [ 59.284082] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.286660] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.288196] Modules linked in: [ 59.288780] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.290441] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.291932] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.292848] 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 [ 59.296023] RSP: 0018:ffff88800fd77bf0 EFLAGS: 00010286 [ 59.297022] RAX: 0000000000000000 RBX: ffff88800dba9040 RCX: 0000000000000000 [ 59.298329] RDX: ffff88800fe4b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.299629] RBP: ffff88800dba9054 R08: 0000000000000001 R09: 0000000000000000 [ 59.300932] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.302266] R13: ffffffff84e223a0 R14: ffff88800dba9048 R15: ffffffff84daf020 [ 59.303573] FS: 00005555569fc400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.305056] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.306211] CR2: 00007fe73bcb66f4 CR3: 000000000d7b4000 CR4: 0000000000350ef0 executing program [ 59.307302] Call Trace: [ 59.308835] [ 59.309264] nf_ct_net_init+0x224/0x3d0 [ 59.309948] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.310623] ops_init+0xbb/0x6b0 [ 59.311188] setup_net+0x3d9/0x990 [ 59.311727] ? down_read_killable+0x1d7/0x4e0 [ 59.312431] ? __pfx_setup_net+0x10/0x10 [ 59.313065] ? copy_net_ns+0x17c/0x770 [ 59.313680] copy_net_ns+0x321/0x770 [ 59.314287] create_new_namespaces+0x3f6/0xb30 [ 59.315023] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.315762] ksys_unshare+0x44d/0x8e0 [ 59.316397] ? __pfx_ksys_unshare+0x10/0x10 [ 59.317092] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.318003] __x64_sys_unshare+0x31/0x40 [ 59.318527] do_syscall_64+0x3f/0x90 [ 59.319042] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.319690] RIP: 0033:0x7f98904a00d7 [ 59.320194] 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 [ 59.322389] RSP: 002b:00007ffe0a418188 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.323347] RAX: ffffffffffffffda RBX: 00007ffe0a4187c8 RCX: 00007f98904a00d7 [ 59.324243] RDX: 00007f989050a41f RSI: 00007ffe0a418120 RDI: 0000000040000000 [ 59.325164] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe0a417f30 [ 59.326073] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f98905b2bf0 [ 59.326980] R13: 00007ffe0a418260 R14: 0000000000000000 R15: 00000000000000f8 [ 59.327914] [ 59.328224] irq event stamp: 11113 [ 59.328658] hardirqs last enabled at (11123): [] __up_console_sem+0x78/0x80 [ 59.329752] hardirqs last disabled at (11134): [] __up_console_sem+0x5d/0x80 [ 59.330817] softirqs last enabled at (10804): [] irq_exit_rcu+0x93/0xc0 [ 59.331899] softirqs last disabled at (10705): [] irq_exit_rcu+0x93/0xc0 [ 59.332958] ---[ end trace 0000000000000000 ]--- [ 60.872466] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.919945] Bluetooth: hci0: command 0x041b tx timeout [ 64.968954] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.015991] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 19:13:51 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800fd775f0 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 00005555569fc400 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=00007fe73bcb66f4 CR3=000000000d7b4000 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=000000000002cd05 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=00007fd96ddec210 CR3=000000000eb0a000 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=2031353a33313a39312036312079614d XMM01=5d3434393339312e39352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732031 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000