Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:32222' (ECDSA) to the list of known hosts. 2023/05/17 08:50:46 fuzzer started 2023/05/17 08:50:46 dialing manager at localhost:35573 2023/05/17 08:50:46 checking machine... 2023/05/17 08:50:46 checking revisions... syzkaller login: [ 122.263067] kmemleak: Automatic memory scanning thread ended 2023/05/17 08:50:47 testing simple program... [ 122.335706] cgroup: Unknown subsys name 'net' [ 122.412090] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 134.581714] audit: type=1400 audit(1684313459.312:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 135.652966] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 135.656071] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 135.660204] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 135.664744] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 135.668605] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 135.670374] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 136.103239] ------------[ cut here ]------------ [ 136.103970] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 136.105736] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 136.106934] Modules linked in: [ 136.107373] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 136.111373] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 136.112633] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 136.113315] 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 [ 136.115762] RSP: 0018:ffff88800cf87c00 EFLAGS: 00010282 [ 136.116488] RAX: 0000000000000000 RBX: ffff88800f05bc40 RCX: 0000000000000000 [ 136.117399] RDX: ffff8880147d3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 136.118336] RBP: ffff88800f05bc54 R08: 0000000000000001 R09: 0000000000000000 [ 136.119300] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 136.120244] R13: ffffffff84e223a0 R14: ffff88800f05bc48 R15: ffffffff84d73340 [ 136.121182] FS: 000055555693e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 136.122248] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 136.123049] CR2: 00007f0b081b86f4 CR3: 000000002030a000 CR4: 0000000000350ef0 [ 136.123976] Call Trace: [ 136.124322] [ 136.124675] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 136.125324] ipv4_frags_init_net+0x269/0x440 [ 136.125939] ops_init+0xbb/0x6b0 [ 136.126410] setup_net+0x3d9/0x990 [ 136.126941] ? down_read_killable+0x1d7/0x4e0 [ 136.127574] ? __pfx_setup_net+0x10/0x10 [ 136.128115] ? copy_net_ns+0x17c/0x770 [ 136.128684] copy_net_ns+0x321/0x770 [ 136.129194] create_new_namespaces+0x3f6/0xb30 [ 136.129842] unshare_nsproxy_namespaces+0xc1/0x200 [ 136.130532] ksys_unshare+0x44d/0x8e0 [ 136.131060] ? __pfx_ksys_unshare+0x10/0x10 [ 136.131669] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 136.132425] __x64_sys_unshare+0x31/0x40 [ 136.133005] do_syscall_64+0x3f/0x90 [ 136.133542] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 136.134222] RIP: 0033:0x7f55c5a310d7 [ 136.134748] 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 [ 136.137081] RSP: 002b:00007ffd9792c6d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 136.138076] RAX: ffffffffffffffda RBX: 00007ffd9792cd18 RCX: 00007f55c5a310d7 [ 136.139016] RDX: 00007f55c5a9b41f RSI: 00007ffd9792c670 RDI: 0000000040000000 [ 136.139950] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd9792c480 [ 136.140889] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f55c5b43bf0 [ 136.141824] R13: 00007ffd9792c7b0 R14: 0000000000000000 R15: 00000000000000f8 [ 136.142797] [ 136.143124] irq event stamp: 8215 [ 136.143607] hardirqs last enabled at (8227): [] __up_console_sem+0x78/0x80 [ 136.144726] hardirqs last disabled at (8238): [] __up_console_sem+0x5d/0x80 [ 136.145860] softirqs last enabled at (7786): [] irq_exit_rcu+0x93/0xc0 [ 136.146969] softirqs last disabled at (7731): [] irq_exit_rcu+0x93/0xc0 [ 136.148061] ---[ end trace 0000000000000000 ]--- [ 136.153374] ------------[ cut here ]------------ [ 136.154035] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 136.155962] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 136.157122] Modules linked in: [ 136.157612] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 136.158911] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 136.160040] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 136.160774] 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 [ 136.163180] RSP: 0018:ffff88800cf87c00 EFLAGS: 00010282 [ 136.163928] RAX: 0000000000000000 RBX: ffff88800ec8d040 RCX: 0000000000000000 [ 136.164903] RDX: ffff8880147d3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 136.165881] RBP: ffff88800ec8d054 R08: 0000000000000001 R09: 0000000000000000 [ 136.166881] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 136.167858] R13: ffffffff84e223a0 R14: ffff88800ec8d048 R15: ffffffff84da62e0 [ 136.168840] FS: 000055555693e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 136.169943] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 136.170758] CR2: 00007f0b081b86f4 CR3: 000000002030a000 CR4: 0000000000350ef0 [ 136.171748] Call Trace: [ 136.172111] [ 136.172472] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 136.173149] ipv6_frags_init_net+0x206/0x3c0 [ 136.173790] ops_init+0xbb/0x6b0 [ 136.174281] setup_net+0x3d9/0x990 [ 136.174810] ? down_read_killable+0x1d7/0x4e0 [ 136.175516] ? __pfx_setup_net+0x10/0x10 [ 136.176079] ? copy_net_ns+0x17c/0x770 [ 136.176676] copy_net_ns+0x321/0x770 [ 136.177203] create_new_namespaces+0x3f6/0xb30 [ 136.177903] unshare_nsproxy_namespaces+0xc1/0x200 [ 136.178620] ksys_unshare+0x44d/0x8e0 [ 136.179172] ? __pfx_ksys_unshare+0x10/0x10 [ 136.179803] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 136.180624] __x64_sys_unshare+0x31/0x40 [ 136.181200] do_syscall_64+0x3f/0x90 [ 136.181759] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 136.182502] RIP: 0033:0x7f55c5a310d7 [ 136.183024] 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 [ 136.185420] RSP: 002b:00007ffd9792c6d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 136.186493] RAX: ffffffffffffffda RBX: 00007ffd9792cd18 RCX: 00007f55c5a310d7 [ 136.187494] RDX: 00007f55c5a9b41f RSI: 00007ffd9792c670 RDI: 0000000040000000 [ 136.188467] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd9792c480 [ 136.189406] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f55c5b43bf0 [ 136.190376] R13: 00007ffd9792c7b0 R14: 0000000000000000 R15: 00000000000000f8 [ 136.191379] [ 136.191736] irq event stamp: 9761 [ 136.192207] hardirqs last enabled at (9771): [] __up_console_sem+0x78/0x80 [ 136.193379] hardirqs last disabled at (9782): [] __up_console_sem+0x5d/0x80 [ 136.194534] softirqs last enabled at (9564): [] irq_exit_rcu+0x93/0xc0 [ 136.195706] softirqs last disabled at (9555): [] irq_exit_rcu+0x93/0xc0 [ 136.196834] ---[ end trace 0000000000000000 ]--- [ 136.198395] ------------[ cut here ]------------ [ 136.199109] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 136.201153] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 136.202320] Modules linked in: [ 136.202803] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 136.204102] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 136.205230] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 136.205971] 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 [ 136.208364] RSP: 0018:ffff88800cf87bf0 EFLAGS: 00010286 [ 136.209116] RAX: 0000000000000000 RBX: ffff88800ec8d640 RCX: 0000000000000000 [ 136.210100] RDX: ffff8880147d3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 136.211086] RBP: ffff88800ec8d654 R08: 0000000000000001 R09: 0000000000000000 [ 136.212062] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 136.213030] R13: ffffffff84e223a0 R14: ffff88800ec8d648 R15: ffffffff84daf020 [ 136.214007] FS: 000055555693e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 136.215092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 136.215881] CR2: 00007f0b081b86f4 CR3: 000000002030a000 CR4: 0000000000350ef0 [ 136.216811] Call Trace: [ 136.217155] [ 136.217502] nf_ct_net_init+0x224/0x3d0 [ 136.218048] ? __pfx_nf_ct_net_init+0x10/0x10 [ 136.218677] ops_init+0xbb/0x6b0 [ 136.219157] setup_net+0x3d9/0x990 [ 136.219668] ? down_read_killable+0x1d7/0x4e0 [ 136.220272] ? __pfx_setup_net+0x10/0x10 [ 136.220841] ? copy_net_ns+0x17c/0x770 [ 136.221387] copy_net_ns+0x321/0x770 [ 136.221940] create_new_namespaces+0x3f6/0xb30 [ 136.222586] unshare_nsproxy_namespaces+0xc1/0x200 [ 136.223272] ksys_unshare+0x44d/0x8e0 [ 136.223820] ? __pfx_ksys_unshare+0x10/0x10 [ 136.224395] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 136.225181] __x64_sys_unshare+0x31/0x40 [ 136.225759] do_syscall_64+0x3f/0x90 [ 136.226259] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 136.226981] RIP: 0033:0x7f55c5a310d7 [ 136.227502] 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 [ 136.229796] RSP: 002b:00007ffd9792c6d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 136.230794] RAX: ffffffffffffffda RBX: 00007ffd9792cd18 RCX: 00007f55c5a310d7 [ 136.231741] RDX: 00007f55c5a9b41f RSI: 00007ffd9792c670 RDI: 0000000040000000 [ 136.232679] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd9792c480 [ 136.233614] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f55c5b43bf0 [ 136.234551] R13: 00007ffd9792c7b0 R14: 0000000000000000 R15: 00000000000000f8 [ 136.235531] [ 136.235848] irq event stamp: 10551 [ 136.236307] hardirqs last enabled at (10561): [] __up_console_sem+0x78/0x80 [ 136.237458] hardirqs last disabled at (10574): [] __up_console_sem+0x5d/0x80 [ 136.238587] softirqs last enabled at (10344): [] irq_exit_rcu+0x93/0xc0 [ 136.239689] softirqs last disabled at (10339): [] irq_exit_rcu+0x93/0xc0 [ 136.240784] ---[ end trace 0000000000000000 ]--- executing program [ 137.746053] Bluetooth: hci0: command 0x0409 tx timeout [ 139.793509] Bluetooth: hci0: command 0x041b tx timeout executing program [ 141.842513] Bluetooth: hci0: command 0x040f tx timeout executing program [ 143.889527] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 08:49:34 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800cf875f0 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 000055555693e400 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=00007f0b081b86f4 CR3=000000002030a000 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=0000000000000001 RBX=1ffff11002e69f95 RCX=ffffffff812d86d3 RDX=0000000000000001 RSI=0000000000000008 RDI=ffffffff85d34a10 RBP=0000000000000000 RSP=ffff88801734fc88 R8 =0000000000000000 R9 =fffffbfff0ba6942 R10=ffffffff85d34a17 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=ffffffff8560b640 R15=0000000000000000 RIP=ffffffff81359d85 RFL=00000247 [---Z-PC] 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 00007fbcaffff700 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=00007fb292fc9910 CR3=0000000010184000 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=2030303a31353a38302037312079614d XMM01=5d3633373530312e36333120205b203a XMM02=74656e20746120373532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120373532203a4449 XMM06=57205d3633373530312e36333120205b XMM07=79732030303a31353a38302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000