Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:52261' (ECDSA) to the list of known hosts. 2023/05/16 16:34:01 fuzzer started 2023/05/16 16:34:01 dialing manager at localhost:35573 2023/05/16 16:34:01 checking machine... 2023/05/16 16:34:01 checking revisions... syzkaller login: [ 43.180281] kmemleak: Automatic memory scanning thread ended 2023/05/16 16:34:01 testing simple program... [ 43.260139] cgroup: Unknown subsys name 'net' [ 43.369882] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.668914] audit: type=1400 audit(1684254855.352:6): 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 [ 57.781005] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.786325] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.794440] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.796945] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.798764] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.799954] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 58.175376] ------------[ cut here ]------------ [ 58.176102] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.178096] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.179378] Modules linked in: [ 58.179866] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.184775] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.185817] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.186493] 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 [ 58.188669] RSP: 0018:ffff8880192c7c00 EFLAGS: 00010282 [ 58.189360] RAX: 0000000000000000 RBX: ffff88800c4d4440 RCX: 0000000000000000 [ 58.190272] RDX: ffff888017b4b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.191124] RBP: ffff88800c4d4454 R08: 0000000000000001 R09: 0000000000000000 [ 58.192020] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.192913] R13: ffffffff84e223a0 R14: ffff88800c4d4448 R15: ffffffff84d73340 [ 58.193824] FS: 0000555555cde400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.194831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.195573] CR2: 00007fea2513cd90 CR3: 000000000f604000 CR4: 0000000000350ef0 [ 58.196460] Call Trace: [ 58.196787] [ 58.197084] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.197734] ipv4_frags_init_net+0x269/0x440 [ 58.198357] ops_init+0xbb/0x6b0 [ 58.198802] setup_net+0x3d9/0x990 [ 58.199284] ? down_read_killable+0x1d7/0x4e0 [ 58.199848] ? __pfx_setup_net+0x10/0x10 [ 58.200388] ? copy_net_ns+0x17c/0x770 [ 58.200900] copy_net_ns+0x321/0x770 [ 58.201415] create_new_namespaces+0x3f6/0xb30 [ 58.202019] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.202667] ksys_unshare+0x44d/0x8e0 [ 58.203155] ? __pfx_ksys_unshare+0x10/0x10 [ 58.203731] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.204478] __x64_sys_unshare+0x31/0x40 [ 58.204994] do_syscall_64+0x3f/0x90 [ 58.205500] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.206161] RIP: 0033:0x7f570c7fc0d7 [ 58.206659] 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 [ 58.208840] RSP: 002b:00007ffc53a49718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.209816] RAX: ffffffffffffffda RBX: 00007ffc53a49d58 RCX: 00007f570c7fc0d7 [ 58.210705] RDX: 00007f570c86641f RSI: 00007ffc53a496b0 RDI: 0000000040000000 [ 58.211585] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc53a494c0 [ 58.212467] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f570c90ebf0 [ 58.213353] R13: 00007ffc53a497f0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.214274] [ 58.214576] irq event stamp: 8633 [ 58.214995] hardirqs last enabled at (8643): [] __up_console_sem+0x78/0x80 [ 58.216062] hardirqs last disabled at (8654): [] __up_console_sem+0x5d/0x80 [ 58.217102] softirqs last enabled at (8570): [] irq_exit_rcu+0x93/0xc0 [ 58.218141] softirqs last disabled at (8565): [] irq_exit_rcu+0x93/0xc0 [ 58.219156] ---[ end trace 0000000000000000 ]--- [ 58.224653] ------------[ cut here ]------------ [ 58.225267] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.226913] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.228003] Modules linked in: [ 58.228451] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.229637] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.230679] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.231370] 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 [ 58.233601] RSP: 0018:ffff8880192c7c00 EFLAGS: 00010282 [ 58.234306] RAX: 0000000000000000 RBX: ffff88800b320440 RCX: 0000000000000000 [ 58.235161] RDX: ffff888017b4b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.236052] RBP: ffff88800b320454 R08: 0000000000000001 R09: 0000000000000000 [ 58.236937] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.237846] R13: ffffffff84e223a0 R14: ffff88800b320448 R15: ffffffff84da62e0 [ 58.238746] FS: 0000555555cde400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.239747] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.240504] CR2: 00007fea2513cd90 CR3: 000000000f604000 CR4: 0000000000350ef0 [ 58.241395] Call Trace: [ 58.241741] [ 58.242042] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.242679] ipv6_frags_init_net+0x206/0x3c0 [ 58.243263] ops_init+0xbb/0x6b0 [ 58.243707] setup_net+0x3d9/0x990 [ 58.244157] ? down_read_killable+0x1d7/0x4e0 [ 58.244751] ? __pfx_setup_net+0x10/0x10 [ 58.245300] ? copy_net_ns+0x17c/0x770 [ 58.245830] copy_net_ns+0x321/0x770 [ 58.246366] create_new_namespaces+0x3f6/0xb30 [ 58.246951] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.247593] ksys_unshare+0x44d/0x8e0 [ 58.248084] ? __pfx_ksys_unshare+0x10/0x10 [ 58.248673] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.249429] __x64_sys_unshare+0x31/0x40 [ 58.249964] do_syscall_64+0x3f/0x90 [ 58.250472] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.251121] RIP: 0033:0x7f570c7fc0d7 [ 58.251611] 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 [ 58.253794] RSP: 002b:00007ffc53a49718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.254747] RAX: ffffffffffffffda RBX: 00007ffc53a49d58 RCX: 00007f570c7fc0d7 [ 58.255634] RDX: 00007f570c86641f RSI: 00007ffc53a496b0 RDI: 0000000040000000 [ 58.256524] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc53a494c0 [ 58.257426] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f570c90ebf0 [ 58.258338] R13: 00007ffc53a497f0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.259209] [ 58.259541] irq event stamp: 10475 [ 58.259976] hardirqs last enabled at (10485): [] __up_console_sem+0x78/0x80 [ 58.261051] hardirqs last disabled at (10496): [] __up_console_sem+0x5d/0x80 [ 58.262132] softirqs last enabled at (10270): [] irq_exit_rcu+0x93/0xc0 [ 58.263163] softirqs last disabled at (10263): [] irq_exit_rcu+0x93/0xc0 [ 58.264182] ---[ end trace 0000000000000000 ]--- [ 58.265511] ------------[ cut here ]------------ [ 58.266113] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.268127] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.269212] Modules linked in: [ 58.269647] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 58.270804] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.271801] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.272480] 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 [ 58.274675] RSP: 0018:ffff8880192c7bf0 EFLAGS: 00010286 [ 58.275365] RAX: 0000000000000000 RBX: ffff88800da6e440 RCX: 0000000000000000 [ 58.276246] RDX: ffff888017b4b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 58.277124] RBP: ffff88800da6e454 R08: 0000000000000001 R09: 0000000000000000 [ 58.278027] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.278945] R13: ffffffff84e223a0 R14: ffff88800da6e448 R15: ffffffff84daf020 [ 58.279847] FS: 0000555555cde400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.280849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.281623] CR2: 00007fea2513cd90 CR3: 000000000f604000 CR4: 0000000000350ef0 [ 58.282534] Call Trace: [ 58.282868] [ 58.283166] nf_ct_net_init+0x224/0x3d0 [ 58.283726] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.284340] ops_init+0xbb/0x6b0 [ 58.284787] setup_net+0x3d9/0x990 [ 58.285289] ? down_read_killable+0x1d7/0x4e0 [ 58.285907] ? __pfx_setup_net+0x10/0x10 [ 58.286469] ? copy_net_ns+0x17c/0x770 [ 58.286996] copy_net_ns+0x321/0x770 [ 58.287526] create_new_namespaces+0x3f6/0xb30 [ 58.288144] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.288817] ksys_unshare+0x44d/0x8e0 [ 58.289359] ? __pfx_ksys_unshare+0x10/0x10 [ 58.289952] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.290725] __x64_sys_unshare+0x31/0x40 [ 58.291296] do_syscall_64+0x3f/0x90 [ 58.291788] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.292493] RIP: 0033:0x7f570c7fc0d7 [ 58.292987] 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 [ 58.295308] RSP: 002b:00007ffc53a49718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 58.296309] RAX: ffffffffffffffda RBX: 00007ffc53a49d58 RCX: 00007f570c7fc0d7 [ 58.297207] RDX: 00007f570c86641f RSI: 00007ffc53a496b0 RDI: 0000000040000000 [ 58.298172] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc53a494c0 [ 58.299102] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f570c90ebf0 [ 58.300032] R13: 00007ffc53a497f0 R14: 0000000000000000 R15: 00000000000000f8 [ 58.300994] [ 58.301339] irq event stamp: 11295 [ 58.301809] hardirqs last enabled at (11305): [] __up_console_sem+0x78/0x80 [ 58.302931] hardirqs last disabled at (11316): [] __up_console_sem+0x5d/0x80 [ 58.304073] softirqs last enabled at (10868): [] irq_exit_rcu+0x93/0xc0 [ 58.305170] softirqs last disabled at (10863): [] irq_exit_rcu+0x93/0xc0 [ 58.306297] ---[ end trace 0000000000000000 ]--- [ 59.863866] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 61.910311] Bluetooth: hci0: command 0x041b tx timeout [ 63.958308] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.006276] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 16:34:02 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880192c75f0 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 0000555555cde400 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=00007fea2513cd90 CR3=000000000f604000 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=0000000000047565 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=00007fea25133370 CR3=000000000f5d0000 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=2036313a34333a36312036312079614d XMM01=5d3636383937312e38352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d36 XMM07=6e72656b2072656c6c616b7a79732036 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000