Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:64389' (ECDSA) to the list of known hosts. 2023/05/17 05:34:31 fuzzer started 2023/05/17 05:34:31 dialing manager at localhost:35573 2023/05/17 05:34:31 checking machine... 2023/05/17 05:34:31 checking revisions... syzkaller login: [ 39.961679] kmemleak: Automatic memory scanning thread ended 2023/05/17 05:34:31 testing simple program... [ 40.033642] cgroup: Unknown subsys name 'net' [ 40.119058] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.640611] audit: type=1400 audit(1684301684.346:6): 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 [ 53.757696] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.761205] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.763057] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.767262] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.769848] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.771348] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.194792] ------------[ cut here ]------------ [ 54.195690] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.198339] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.200002] Modules linked in: [ 54.200743] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.205868] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.207019] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.207773] 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 [ 54.210140] RSP: 0018:ffff888016467c00 EFLAGS: 00010282 [ 54.210883] RAX: 0000000000000000 RBX: ffff8880068cb040 RCX: 0000000000000000 [ 54.211861] RDX: ffff888016aa8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.212839] RBP: ffff8880068cb054 R08: 0000000000000001 R09: 0000000000000000 [ 54.213834] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.214806] R13: ffffffff84e223a0 R14: ffff8880068cb048 R15: ffffffff84d73340 [ 54.215794] FS: 0000555555e75400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.216882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.217691] CR2: 00007f4e333546f4 CR3: 000000001460e000 CR4: 0000000000350ee0 [ 54.218670] Call Trace: [ 54.219025] [ 54.219350] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.220093] ipv4_frags_init_net+0x269/0x440 [ 54.220735] ops_init+0xbb/0x6b0 [ 54.221223] setup_net+0x3d9/0x990 [ 54.221750] ? down_read_killable+0x1d7/0x4e0 [ 54.222368] ? __pfx_setup_net+0x10/0x10 [ 54.222950] ? copy_net_ns+0x17c/0x770 [ 54.223545] copy_net_ns+0x321/0x770 [ 54.224069] create_new_namespaces+0x3f6/0xb30 [ 54.224740] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.225413] ksys_unshare+0x44d/0x8e0 [ 54.225976] ? __pfx_ksys_unshare+0x10/0x10 [ 54.226605] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.227377] __x64_sys_unshare+0x31/0x40 [ 54.228001] do_syscall_64+0x3f/0x90 [ 54.228544] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.229231] RIP: 0033:0x7f37817160d7 [ 54.229758] 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 [ 54.232097] RSP: 002b:00007fffd810f7c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.233106] RAX: ffffffffffffffda RBX: 00007fffd810fe08 RCX: 00007f37817160d7 [ 54.234059] RDX: 00007f378178041f RSI: 00007fffd810f760 RDI: 0000000040000000 [ 54.235015] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffd810f570 [ 54.235991] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3781828bf0 [ 54.236973] R13: 00007fffd810f8a0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.237970] [ 54.238300] irq event stamp: 8631 [ 54.238801] hardirqs last enabled at (8643): [] __up_console_sem+0x78/0x80 [ 54.239993] hardirqs last disabled at (8654): [] __up_console_sem+0x5d/0x80 [ 54.241246] softirqs last enabled at (8668): [] irq_exit_rcu+0x93/0xc0 [ 54.242414] softirqs last disabled at (8663): [] irq_exit_rcu+0x93/0xc0 [ 54.243570] ---[ end trace 0000000000000000 ]--- [ 54.249709] ------------[ cut here ]------------ [ 54.250335] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.252062] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.253182] Modules linked in: [ 54.253648] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.254858] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.255953] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.256677] 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 [ 54.258960] RSP: 0018:ffff888016467c00 EFLAGS: 00010282 [ 54.259683] RAX: 0000000000000000 RBX: ffff88800d061240 RCX: 0000000000000000 [ 54.260624] RDX: ffff888016aa8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.261576] RBP: ffff88800d061254 R08: 0000000000000001 R09: 0000000000000000 [ 54.262472] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.263408] R13: ffffffff84e223a0 R14: ffff88800d061248 R15: ffffffff84da62e0 [ 54.264372] FS: 0000555555e75400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.265406] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.266191] CR2: 00007f4e333546f4 CR3: 000000001460e000 CR4: 0000000000350ee0 [ 54.267125] Call Trace: [ 54.267488] [ 54.267837] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.268473] ipv6_frags_init_net+0x206/0x3c0 [ 54.269093] ops_init+0xbb/0x6b0 [ 54.269587] setup_net+0x3d9/0x990 [ 54.270058] ? down_read_killable+0x1d7/0x4e0 [ 54.270693] ? __pfx_setup_net+0x10/0x10 [ 54.271225] ? copy_net_ns+0x17c/0x770 [ 54.271792] copy_net_ns+0x321/0x770 [ 54.272295] create_new_namespaces+0x3f6/0xb30 [ 54.272933] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.273614] ksys_unshare+0x44d/0x8e0 [ 54.274125] ? __pfx_ksys_unshare+0x10/0x10 [ 54.274742] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.275489] __x64_sys_unshare+0x31/0x40 [ 54.276069] do_syscall_64+0x3f/0x90 [ 54.276598] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.277267] RIP: 0033:0x7f37817160d7 [ 54.277789] 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 [ 54.280072] RSP: 002b:00007fffd810f7c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.281064] RAX: ffffffffffffffda RBX: 00007fffd810fe08 RCX: 00007f37817160d7 [ 54.281988] RDX: 00007f378178041f RSI: 00007fffd810f760 RDI: 0000000040000000 [ 54.282910] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffd810f570 [ 54.283842] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3781828bf0 [ 54.284761] R13: 00007fffd810f8a0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.285705] [ 54.286018] irq event stamp: 10561 [ 54.286465] hardirqs last enabled at (10571): [] __up_console_sem+0x78/0x80 [ 54.287609] hardirqs last disabled at (10584): [] __up_console_sem+0x5d/0x80 [ 54.288720] softirqs last enabled at (9974): [] irq_exit_rcu+0x93/0xc0 [ 54.289765] softirqs last disabled at (9965): [] irq_exit_rcu+0x93/0xc0 [ 54.290825] ---[ end trace 0000000000000000 ]--- [ 54.292265] ------------[ cut here ]------------ [ 54.292902] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.295010] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.296116] Modules linked in: [ 54.296576] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.297768] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.298800] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.299462] 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 [ 54.301727] RSP: 0018:ffff888016467bf0 EFLAGS: 00010286 [ 54.302389] RAX: 0000000000000000 RBX: ffff88800d060a40 RCX: 0000000000000000 [ 54.303300] RDX: ffff888016aa8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.304226] RBP: ffff88800d060a54 R08: 0000000000000001 R09: 0000000000000000 [ 54.305136] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.306033] R13: ffffffff84e223a0 R14: ffff88800d060a48 R15: ffffffff84daf020 [ 54.306933] FS: 0000555555e75400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.307973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.308724] CR2: 00007f4e333546f4 CR3: 000000001460e000 CR4: 0000000000350ee0 [ 54.309636] Call Trace: [ 54.309969] [ 54.310276] nf_ct_net_init+0x224/0x3d0 [ 54.310830] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.311417] ops_init+0xbb/0x6b0 [ 54.311926] setup_net+0x3d9/0x990 [ 54.312390] ? down_read_killable+0x1d7/0x4e0 [ 54.312994] ? __pfx_setup_net+0x10/0x10 [ 54.313543] ? copy_net_ns+0x17c/0x770 [ 54.314055] copy_net_ns+0x321/0x770 [ 54.314573] create_new_namespaces+0x3f6/0xb30 [ 54.315158] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.315835] ksys_unshare+0x44d/0x8e0 [ 54.316339] ? __pfx_ksys_unshare+0x10/0x10 [ 54.316919] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.317670] __x64_sys_unshare+0x31/0x40 [ 54.318196] do_syscall_64+0x3f/0x90 [ 54.318708] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.319357] RIP: 0033:0x7f37817160d7 [ 54.319861] 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 [ 54.322068] RSP: 002b:00007fffd810f7c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 54.323015] RAX: ffffffffffffffda RBX: 00007fffd810fe08 RCX: 00007f37817160d7 [ 54.323934] RDX: 00007f378178041f RSI: 00007fffd810f760 RDI: 0000000040000000 [ 54.324839] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffd810f570 [ 54.325736] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3781828bf0 [ 54.326628] R13: 00007fffd810f8a0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.327557] [ 54.327863] irq event stamp: 11387 [ 54.328296] hardirqs last enabled at (11397): [] __up_console_sem+0x78/0x80 [ 54.329371] hardirqs last disabled at (11408): [] __up_console_sem+0x5d/0x80 [ 54.330439] softirqs last enabled at (11048): [] irq_exit_rcu+0x93/0xc0 [ 54.331497] softirqs last disabled at (11043): [] irq_exit_rcu+0x93/0xc0 [ 54.332564] ---[ end trace 0000000000000000 ]--- executing program [ 55.841125] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.889565] Bluetooth: hci0: command 0x041b tx timeout [ 59.937555] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.985580] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:34:41 Registers: info registers vcpu 0 RAX=1ffff1100127dee4 RBX=ffff88800eeeb4c0 RCX=ffff8880093ef720 RDX=ffffffff8181175f RSI=ffff8880093ef720 RDI=ffff88800844f780 RBP=0000000000000000 RSP=ffff888016cc78b0 R8 =ffff8880093ef720 R9 =fffffbfff0ef2d3d R10=ffffffff877969ef R11=0000000000000001 R12=dffffc0000000000 R13=ffff888016cc78f0 R14=ffff88800844f780 R15=ffff8880093ef720 RIP=ffffffff81811778 RFL=00000216 [----AP-] 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 00007fef4e377700 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=00007f7b4082c410 CR3=00000000167fa000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=756e755f6873657268745f776f6c5f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000006d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880164675f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006d R11=0000000000000001 R12=000000000000006d 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 0000555555e75400 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=00007f4e333546f4 CR3=000000001460e000 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