syzkaller login: [ 102.217193] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:15687' (ECDSA) to the list of known hosts. 2023/05/17 05:44:25 fuzzer started 2023/05/17 05:44:25 dialing manager at localhost:35573 2023/05/17 05:44:26 checking machine... 2023/05/17 05:44:26 checking revisions... [ 103.389920] kmemleak: Automatic memory scanning thread ended 2023/05/17 05:44:26 testing simple program... [ 103.450456] cgroup: Unknown subsys name 'net' [ 103.510899] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 116.609062] audit: type=1400 audit(1684302279.358:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 117.758234] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 117.759928] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 117.762855] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 117.767314] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 117.770446] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 117.771645] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 118.163042] ------------[ cut here ]------------ [ 118.163701] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 118.165550] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 118.166640] Modules linked in: [ 118.167088] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 118.172119] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 118.173310] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 118.173969] 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 [ 118.176419] RSP: 0018:ffff888019f8fc00 EFLAGS: 00010282 [ 118.177318] RAX: 0000000000000000 RBX: ffff88800e593c40 RCX: 0000000000000000 [ 118.178304] RDX: ffff88800fba0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 118.179302] RBP: ffff88800e593c54 R08: 0000000000000001 R09: 0000000000000000 [ 118.180238] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 118.181147] R13: ffffffff84e223a0 R14: ffff88800e593c48 R15: ffffffff84d73340 [ 118.182087] FS: 00005555558ea400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 118.183108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 118.183824] CR2: 00007fdeaa1106f4 CR3: 0000000015b28000 CR4: 0000000000350ee0 [ 118.184732] Call Trace: [ 118.185091] [ 118.185396] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 118.186040] ipv4_frags_init_net+0x269/0x440 [ 118.186608] ops_init+0xbb/0x6b0 [ 118.187088] setup_net+0x3d9/0x990 [ 118.187543] ? down_read_killable+0x1d7/0x4e0 [ 118.188152] ? __pfx_setup_net+0x10/0x10 [ 118.188668] ? copy_net_ns+0x17c/0x770 [ 118.189204] copy_net_ns+0x321/0x770 [ 118.189713] create_new_namespaces+0x3f6/0xb30 [ 118.190342] unshare_nsproxy_namespaces+0xc1/0x200 [ 118.190962] ksys_unshare+0x44d/0x8e0 [ 118.191492] ? __pfx_ksys_unshare+0x10/0x10 [ 118.192078] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 118.192789] __x64_sys_unshare+0x31/0x40 [ 118.193345] do_syscall_64+0x3f/0x90 [ 118.193816] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 118.194487] RIP: 0033:0x7f81853650d7 [ 118.194954] 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 [ 118.197137] RSP: 002b:00007ffe7b25a258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 118.198095] RAX: ffffffffffffffda RBX: 00007ffe7b25a898 RCX: 00007f81853650d7 [ 118.198962] RDX: 00007f81853cf41f RSI: 00007ffe7b25a1f0 RDI: 0000000040000000 [ 118.199877] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7b25a000 [ 118.200779] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8185477bf0 [ 118.201700] R13: 00007ffe7b25a330 R14: 0000000000000000 R15: 00000000000000f8 [ 118.202624] [ 118.202926] irq event stamp: 11191 [ 118.203408] hardirqs last enabled at (11203): [] __up_console_sem+0x78/0x80 [ 118.204502] hardirqs last disabled at (11214): [] __up_console_sem+0x5d/0x80 [ 118.205602] softirqs last enabled at (10818): [] irq_exit_rcu+0x93/0xc0 [ 118.206643] softirqs last disabled at (10801): [] irq_exit_rcu+0x93/0xc0 [ 118.207711] ---[ end trace 0000000000000000 ]--- [ 118.213705] ------------[ cut here ]------------ [ 118.214332] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 118.215978] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 118.217080] Modules linked in: [ 118.217501] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 118.218684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 118.219718] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 118.220413] 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 [ 118.222620] RSP: 0018:ffff888019f8fc00 EFLAGS: 00010282 [ 118.223318] RAX: 0000000000000000 RBX: ffff88800d8a2440 RCX: 0000000000000000 [ 118.224229] RDX: ffff88800fba0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 118.225131] RBP: ffff88800d8a2454 R08: 0000000000000001 R09: 0000000000000000 [ 118.226036] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 118.226913] R13: ffffffff84e223a0 R14: ffff88800d8a2448 R15: ffffffff84da62e0 [ 118.227813] FS: 00005555558ea400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 118.228843] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 118.229623] CR2: 00007fdeaa1106f4 CR3: 0000000015b28000 CR4: 0000000000350ee0 [ 118.230521] Call Trace: [ 118.230850] [ 118.231192] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 118.231818] ipv6_frags_init_net+0x206/0x3c0 [ 118.232410] ops_init+0xbb/0x6b0 [ 118.232859] setup_net+0x3d9/0x990 [ 118.233361] ? down_read_killable+0x1d7/0x4e0 [ 118.233931] ? __pfx_setup_net+0x10/0x10 [ 118.234482] ? copy_net_ns+0x17c/0x770 [ 118.234989] copy_net_ns+0x321/0x770 [ 118.235513] create_new_namespaces+0x3f6/0xb30 [ 118.236144] unshare_nsproxy_namespaces+0xc1/0x200 [ 118.236762] ksys_unshare+0x44d/0x8e0 [ 118.237298] ? __pfx_ksys_unshare+0x10/0x10 [ 118.237842] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 118.238603] __x64_sys_unshare+0x31/0x40 [ 118.239150] do_syscall_64+0x3f/0x90 [ 118.239635] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 118.240309] RIP: 0033:0x7f81853650d7 [ 118.240779] 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 [ 118.242967] RSP: 002b:00007ffe7b25a258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 118.243919] RAX: ffffffffffffffda RBX: 00007ffe7b25a898 RCX: 00007f81853650d7 [ 118.244817] RDX: 00007f81853cf41f RSI: 00007ffe7b25a1f0 RDI: 0000000040000000 [ 118.245732] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7b25a000 [ 118.246638] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8185477bf0 [ 118.247536] R13: 00007ffe7b25a330 R14: 0000000000000000 R15: 00000000000000f8 [ 118.248449] [ 118.248757] irq event stamp: 13117 [ 118.249223] hardirqs last enabled at (13129): [] __up_console_sem+0x78/0x80 [ 118.250320] hardirqs last disabled at (13140): [] __up_console_sem+0x5d/0x80 [ 118.251399] softirqs last enabled at (12128): [] irq_exit_rcu+0x93/0xc0 [ 118.252450] softirqs last disabled at (12017): [] irq_exit_rcu+0x93/0xc0 [ 118.253521] ---[ end trace 0000000000000000 ]--- [ 118.254878] ------------[ cut here ]------------ [ 118.255520] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused executing program [ 118.257534] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 118.258817] Modules linked in: [ 118.259265] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 118.260430] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 118.261479] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 118.262177] 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 [ 118.264412] RSP: 0018:ffff888019f8fbf0 EFLAGS: 00010286 [ 118.265119] RAX: 0000000000000000 RBX: ffff88800d8a3e40 RCX: 0000000000000000 [ 118.265992] RDX: ffff88800fba0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 118.266895] RBP: ffff88800d8a3e54 R08: 0000000000000001 R09: 0000000000000000 [ 118.267802] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 118.268704] R13: ffffffff84e223a0 R14: ffff88800d8a3e48 R15: ffffffff84daf020 [ 118.269637] FS: 00005555558ea400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 118.270657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 118.271427] CR2: 00007fdeaa1106f4 CR3: 0000000015b28000 CR4: 0000000000350ee0 [ 118.272328] Call Trace: [ 118.272656] [ 118.272956] nf_ct_net_init+0x224/0x3d0 [ 118.273520] ? __pfx_nf_ct_net_init+0x10/0x10 [ 118.274136] ops_init+0xbb/0x6b0 [ 118.274578] setup_net+0x3d9/0x990 [ 118.275066] ? down_read_killable+0x1d7/0x4e0 [ 118.275668] ? __pfx_setup_net+0x10/0x10 [ 118.276241] ? copy_net_ns+0x17c/0x770 [ 118.276772] copy_net_ns+0x321/0x770 [ 118.277325] create_new_namespaces+0x3f6/0xb30 [ 118.277939] unshare_nsproxy_namespaces+0xc1/0x200 [ 118.278618] ksys_unshare+0x44d/0x8e0 [ 118.279174] ? __pfx_ksys_unshare+0x10/0x10 [ 118.279746] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 118.280531] __x64_sys_unshare+0x31/0x40 [ 118.281110] do_syscall_64+0x3f/0x90 [ 118.281631] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 118.282337] RIP: 0033:0x7f81853650d7 [ 118.282824] 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 [ 118.285132] RSP: 002b:00007ffe7b25a258 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 118.286164] RAX: ffffffffffffffda RBX: 00007ffe7b25a898 RCX: 00007f81853650d7 [ 118.287109] RDX: 00007f81853cf41f RSI: 00007ffe7b25a1f0 RDI: 0000000040000000 [ 118.288050] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7b25a000 [ 118.288949] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8185477bf0 [ 118.289894] R13: 00007ffe7b25a330 R14: 0000000000000000 R15: 00000000000000f8 [ 118.290857] [ 118.291207] irq event stamp: 13901 [ 118.291667] hardirqs last enabled at (13911): [] __up_console_sem+0x78/0x80 [ 118.292812] hardirqs last disabled at (13922): [] __up_console_sem+0x5d/0x80 [ 118.293989] softirqs last enabled at (13586): [] irq_exit_rcu+0x93/0xc0 [ 118.295119] softirqs last disabled at (13581): [] irq_exit_rcu+0x93/0xc0 [ 118.296208] ---[ end trace 0000000000000000 ]--- [ 119.845636] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 121.893080] Bluetooth: hci0: command 0x041b tx timeout [ 123.941099] Bluetooth: hci0: command 0x040f tx timeout executing program [ 125.989119] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:43:34 Registers: info registers vcpu 0 RAX=000000000002ae8f RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f RFL=00000202 [-------] 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 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=00007f69a40390d8 CR3=0000000015824000 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=2030343a34343a35302037312079614d XMM01=5d3838303736312e38313120205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20204c20202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732030 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888019f8f5f0 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 00005555558ea400 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=00007fdeaa1106f4 CR3=0000000015b28000 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